Por que razão a terapia a laser em animais de estimação não funciona sem o controlo da dose e do tecido
Flexibilidade em vários comprimentos de onda, carga térmica controlada, aplicação em grandes superfícies
Um cão que se levanta lentamente, evita as escadas e hesita antes de saltar para o sofá não se importa se a clínica veterinária tem um laser de 15 W, 30 W ou 38 W.
O proprietário preocupa-se com algo muito mais simples.
O cão está a movimentar-se com mais facilidade?
Será que consegue andar mais longe?
É mais fácil levantar-se?
É possível reduzir a dosagem dos analgésicos?
No caso dos cavalos, o problema é ainda mais evidente.
Um cavalo de competição pode parecer normal ao andar e, mesmo assim, apresentar rigidez nas costas, impulso reduzido, passada encurtada ou relutância durante a recolha. Um cavalo pode não apresentar lesões evidentes à primeira vista, mas o seu desempenho diminui porque um problema subjacente a nível muscular, fascial ou articular alterou a forma como se move.
É aqui que o tratamento veterinário com laser de alta intensidade se torna difícil.
O animal não consegue dizer ao terapeuta quando uma área de tratamento está a ficar demasiado quente.
O profissional de saúde tem de avaliar a resposta dos tecidos, a profundidade anatómica, a área a tratar, o movimento e a aplicação de energia.
É por isso que a frase terapia laser para animais de estimação é demasiado abrangente para descrever o processo clínico efetivo.
A anca de um cão de pequeno porte, o cotovelo de um labrador, uma articulação do joelho no pós-operatório e os músculos lombares de um cavalo são alvos de tratamento completamente diferentes.
Não é razoável transferir a mesma configuração de potência entre eles.
O mesmo total de joules também não pode ser transferido automaticamente.
Um exemplo útil provém de um ensaio clínico aleatório controlado que envolveu 20 cães com osteoartrite bilateral da anca. Os cães tinham uma idade média de 8,3 ± 1,9 anos e um peso corporal médio de 65,7 ± 12,1 lb. A sua osteoartrite foi classificada como moderada em 26 articulações e grave em 14 articulações. A fotobiomodulação de classe IV foi associada a melhores resultados em termos de dor e funcionalidade do que o tratamento de controlo em vários momentos de acompanhamento, com melhorias na amplitude de movimento articular que se mantiveram do dia 15 ao dia 90. :contentReference[oaicite:0]{index=0}
Um estudo aleatório e controlado por placebo, realizado separadamente, que envolveu 20 cães com osteoartrite do cotovelo de origem natural, constatou que seis semanas de fotobiomodulação a 10–20 J/cm² melhoraram os índices de claudicação e dor e reduziram a necessidade de AINEs em 9 dos 11 cães tratados, em comparação com nenhum dos nove cães do grupo do placebo. :contentReference[oaicite:1]{index=1}
Estes estudos não significam que todos os protocolos de tratamento com laser veterinário sejam eficazes em todos os animais.
Mostram algo mais útil.
A dose, a área de tratamento, o comprimento de onda, a profundidade no tecido e o diagnóstico clínico têm de corresponder.
Por que razão a terapia a laser veterinária não é um tratamento único
Uma sala de reabilitação veterinária pode acolher doentes com problemas completamente diferentes.
Um cão pode sofrer de osteoartrite da anca.
Outro pode estar a recuperar de uma cirurgia ao ligamento cruzado cranial.
Outra pessoa pode ter dores crónicas no cotovelo.
Outro pode ter uma lesão nos tecidos moles.
Um cavalo pode apresentar fadiga muscular após a competição.
Outra pessoa pode sofrer de dor toracolombar crónica.
Outro pode estar a fazer reabilitação na sequência de uma lesão num tendão.
O laser pertence à mesma categoria de equipamento.
O tratamento não é o mesmo.
É por isso que uma abordagem séria melhor aparelho de terapia laser para cães não deve ser escolhido apenas com base na potência máxima.
O médico precisa de controlo.
O verdadeiro problema com o laser de alta intensidade em animais
Nos animais, a regulação térmica é mais complexa do que nos seres humanos.
Um doente pode dizer:
“Aquela zona está a ficar demasiado quente.”
Um cão pode simplesmente afastar-se.
Um cavalo pode ficar inquieto.
Um gato pode resistir ao manuseamento.
Por conseguinte, o médico deve acompanhar o tratamento, em vez de depender inteiramente do feedback verbal.
Esta é uma das razões pelas quais o FotonMedix VetMedix-MAX inclui tecnologia de indicação da temperatura terapêutica e três modos de emissão.
A configuração publicada disponibiliza cinco comprimentos de onda:
650 nm
810 nm
915 nm
940 nm
980 nm
O sistema está especificado com uma potência de saída máxima de 38 W e os modos Super Pulse, Pulse e Continuous Wave. A FotonMedix descreve o modo Pulse como uma emissão intermitente destinada a ajudar a evitar o sobreaquecimento, enquanto o modo Continuous Wave se destina a animais de grande porte ou a situações que exijam elevada energia durante um curto período de tempo. :contentReference[oaicite:2]{index=2}
No âmbito da prática veterinária, essa distinção é mais prática do que meramente formal.
Os casos de tratamento veterinário publicados
A tabela seguinte reúne parâmetros clínicos veterinários publicados com características específicas do equipamento de cada fabricante.
Os números dos casos simulados são identificadores utilizados na apresentação do site e não correspondem a números reais de registos médicos.
Nos casos em que um estudo publicado não tenha indicado um parâmetro, como a frequência, este é assinalado como «não indicado», em vez de se inventar um valor.
| N.º do caso simulado | Departamento | Idade do doente | Sexo | Patologia / Grau | Comprimento de onda | Relação de comprimento de onda | Potência | Frequência | Energia numa única sessão | Curso de tratamento | Alterações clínicas |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VET-ORTHO-PBM-2022-020 | Ortopedia Veterinária | 8,3 ± 1,9 anos (média) | Mistura de sexos | Osteoartrite da anca: 26 articulações com gravidade moderada e 14 articulações com gravidade grave | Protocolo PBM de Classe IV, densidade de energia publicada de 14–20 J/cm² | Protocolo publicado | Laser terapêutico de classe IV; a potência exata não é indicada no resumo | Não comunicado | 14–20 J/cm², em vez de um valor total fixo em joules | 3 semanas | Melhores resultados em termos de intensidade da dor, função e COI entre os dias 8 e 30; melhoria da amplitude de movimento entre os dias 15 e 90 |
| VET-ELBOW-PBM-2018-020 | Reabilitação Veterinária | Cães adultos | Mistura de sexos | Osteoartrite do cotovelo de origem natural | Protocolo PBMT | Protocolo publicado baseado na dose | Não comunicado | Não comunicado | 10–20 J/cm² por junta | 6 semanas | Redução da dose de AINEs em cães submetidos a PBMT no 11 de setembro; melhoria significativa da claudicação |
| VET-TPLO-CLASS4-2018-095 | Ortopedia Veterinária | Cães adultos | Mistura de sexos | Doença do ligamento cruzado cranial que requer TPLO | 660 nm + 800 nm + 905 nm + 970 nm | Tratamento simultâneo com múltiplos comprimentos de onda | Componente vermelha de 100 mW; potência máxima de 15 W em modo contínuo (CW) e 20 W em modo pulsado de pico | 10 fases, desde CW até 2, 10, 50, 100, 200, 500, 1000 e 5000 Hz, antes de regressar a CW | 252–2 280 J nos protocolos de tratamento relatados | 3 tratamentos perioperatórios no prazo de 4 dias; quarto tratamento opcional | Verificou-se uma maior melhoria na pontuação ajustada do Índice Ortopédico Canino relativa à marcha, mas não se observou qualquer diferença significativa nos outros parâmetros avaliados nem na consolidação óssea |
| VET-TPLO-PBM-2016-027 | Reabilitação Veterinária | 6,6 ± 1,6 anos no grupo PBM | Mistura de sexos | Recuperação de TPLO | duplo comprimento de onda de 800–900 nm | Duplo comprimento de onda | 6 W | Não comunicado | 3,5 J/cm² numa área de 100 cm² | Tratamento pré-operatório único | Maior força vertical máxima às 8 semanas; não se observaram outras diferenças significativas |
| EQUINE-BACK-2020-061 | Medicina Desportiva Equina | 8,7 ± 3,7 anos | 3 garanhões, 45 cavalos castrados, 13 éguas | Dor toracolombar e disfunção da coluna vertebral | 810 nm | 100% 810 nm, conforme o protocolo publicado | 3 W no total | Não comunicado | 94 J/cm² | Tratamento aplicado em 5 a 10 locais, com base nos resultados clínicos | Reduções significativas na dor nas costas, na hipertonicidade dos músculos epaxiais e na rigidez do tronco |
| PLATAFORMA EQUINE-THERALUX | Reabilitação equina | Não aplicável | Não aplicável | Reabilitação muscular, fascial, óssea e articular | 650 nm + 810 nm + 915 nm + 940 nm + 980 nm | Plataforma de cinco comprimentos de onda | 38 W de potência máxima | Super Pulse, Pulse e CW | Depende do protocolo | Depende do protocolo | Plataforma concebida para a recuperação da fadiga, o desempenho muscular, a prevenção de microtraumas e o tratamento do sistema músculo-esquelético equino |
O ensaio clínico de 2022 sobre osteoartrite da anca em cães apresentou resultados clínicos aos +8, +15, +30, +60 e +90 dias. O grupo submetido a PBM de Classe IV apresentou melhores resultados em termos de dor e função em vários pontos de acompanhamento precoces e intermédios, bem como uma melhoria na amplitude de movimento articular entre o dia 15 e o dia 90. :contentReference[oaicite:3]{index=3}
O estudo da TPLO de 2018 é particularmente interessante porque demonstra o quão complexo um protocolo de Classe IV pode tornar-se. O tratamento utilizou simultaneamente luz vermelha a 660 nm e luz infravermelha a 800, 905 e 970 nm, com uma potência máxima em onda contínua de 15 W e uma potência de pico pulsada de 20 W. O protocolo incorporou dez fases diferentes de frequência de pulso, variando desde a emissão contínua até 2, 10, 50, 100, 200, 500, 1 000 e 5 000 Hz, antes de regressar à emissão contínua. A energia total do tratamento nos protocolos relatados variou entre 252 e 2 280 J. :contentReference[oaicite:4]{index=4}
Esse é um conceito muito diferente de simplesmente dizer que um laser veterinário tem “20 W”.”
Por que razão a anca do cão e a coluna do cavalo requerem uma lógica de tratamento diferente
A anca de um cão mais velho é uma zona anatómica relativamente compacta.
A região toracolombar de um cavalo é muito maior.
A espessura do tecido é diferente.
A massa muscular é diferente.
A área de tratamento é diferente.
A tolerância do animal é diferente.
A intensidade do movimento durante o tratamento pode variar.
Por conseguinte, o terapeuta necessita de uma estratégia energética diferente.
É por isso que a FotonMedix separa a VetMedix e a Theralux em plataformas dedicadas à medicina veterinária e equina, em vez de tratar todas as aplicações de laser em animais como uma única categoria.
Por que razão o melhor aparelho de terapia a laser para cães não é simplesmente o mais potente
Um cão pode necessitar de uma densidade energética relativamente moderada na zona de uma articulação.
Uma potência máxima elevada pode, ainda assim, revelar-se útil, uma vez que proporciona ao médico uma margem de manobra.
Mas a potência máxima não é o mesmo que a dose administrada.
Um terapeuta poderá utilizar uma potência média mais baixa no caso de uma pequena articulação dolorida e uma estratégia de tratamento diferente no caso de uma região muscular extensa.
A capacidade de ajustar a potência de saída é, por isso, importante.
A possibilidade de alterar o modo de emissão também é importante.
A monitorização da temperatura acrescenta mais uma camada de controlo.
Um sistema com potência de pico de 38 W pode ser útil sem nunca ter de funcionar continuamente a 38 W.
Por que é que o VetMedix-MAX utiliza cinco comprimentos de onda
O VetMedix-MAX oferece:
- 650 nm
- 810 nm
- 915 nm
- 940 nm
- 980 nm
A FotonMedix especifica uma potência de pico de 38 W, modos de funcionamento Super Pulse, Pulse e onda contínua, tecnologia de manutenção da profundidade de penetração de pico, indicação da temperatura terapêutica e uma função dupla de laser quente e frio. :contentReference[oaicite:5]{index=5}
O objetivo de utilizar vários comprimentos de onda não é criar uma ficha técnica mais impressionante.
Oferece ao veterinário mais opções para diferentes alvos anatómicos.
Uma ferida superficial não tem os mesmos requisitos óticos que uma articulação da anca profunda.
Um tendão não apresenta as mesmas características óticas que um músculo de grande porte.
Um joelho no pós-operatório não apresenta o mesmo objetivo clínico que a dor crónica nas costas.
A seleção do comprimento de onda pode, portanto, passar a fazer parte do plano de tratamento.
Por que razão a atenuação ótica é importante no tecido animal
A luz que penetra no tecido sofre absorção e dispersão.
Parte da energia é absorvida junto à superfície.
Algumas são redirecionadas.
Alguns continuam a avançar mais para o interior.
A energia ótica remanescente diminui à medida que a profundidade aumenta.
A forma desta curva de atenuação depende da composição do tecido e do comprimento de onda.
Isto é importante nos animais, porque a distância entre a pele e o alvo pode ser considerável.
Uma ferida superficial num cão pode exigir uma abordagem ótica muito diferente da necessária para uma articulação da anca profunda.
O dorso de um cavalo possui uma grande massa muscular entre a pele e as estruturas mais profundas.
Por conseguinte, o médico precisa de capacidade de potência suficiente para compensar a atenuação, evitando simultaneamente o aquecimento desnecessário da superfície.
Por que razão os 980 nm se tornam importantes do ponto de vista térmico
A 980 nm, a absorção pela água contribui significativamente para os efeitos térmicos.
O tecido que contém sangue também influencia a absorção.
O resultado pode ser um aquecimento local considerável a alta intensidade.
Isso pode ser útil.
O calor controlado pode influenciar a circulação e a resposta dos tecidos.
O calor não controlado pode tornar-se desconfortável ou prejudicial.
É por isso que a FotonMedix inclui a indicação da temperatura terapêutica no VetMedix-MAX e no Theralux-Max. :contentReference[oaicite:6]{index=6}
O indicador de temperatura não substitui o parecer clínico.
Proporciona ao operador outra medição enquanto o tratamento está a ser administrado.

Por que razão 1470 nm não é simplesmente um comprimento de onda mais eficaz para terapias veterinárias
A absorção pela água é substancialmente maior a 1470 nm do que a 980 nm.
Isso torna-o particularmente útil para a interação entre o tecido e a cirurgia.
O FotonMedix SurgMedix-MAX emite luz a 1470 nm com 20 W e a 980 nm com 40 W, sendo indicado para procedimentos cirúrgicos que envolvam coagulação, evaporação, corte, incisão e excisão.
Isto é importante porque as clínicas veterinárias têm, frequentemente, necessidades tanto na área da reabilitação como na área cirúrgica.
O sistema cirúrgico não deve ser confundido com uma plataforma de terapia não invasiva.
O objetivo clínico é diferente.
O efeito no tecido é diferente.
O método de entrega é diferente.
Os requisitos de segurança são diferentes.
Por que razão os comprimentos de onda de 980 nm e 1470 nm não devem ser utilizados de forma intercambiável
A luz a 980 nm pode proporcionar uma interação térmica significativa através da água e dos tecidos que contêm sangue.
A luz a 1470 nm é absorvida de forma muito mais intensa pela água.
Se a mesma potência e o mesmo tempo de exposição fossem transferidos de um comprimento de onda para o outro, a resposta dos tecidos não seria necessariamente a mesma.
O perfil de absorção ótica altera-se.
O tratamento deve, por conseguinte, ser reformulado em função do comprimento de onda selecionado.
Isto é particularmente importante para aplicações cirúrgicas.
Por que razão a absorção sanguínea é importante nos tecidos veterinários
O sangue é um importante agente de absorção no tecido vascular.
Quando a energia ótica é absorvida por estruturas que contêm sangue, a temperatura local pode aumentar.
Isto pode contribuir para a coagulação e para a remodelação vascular.
No âmbito da cirurgia veterinária, essa interação pode revelar-se útil.
No caso da reabilitação não invasiva, o objetivo é diferente.
O médico pode preferir uma resposta fotobiomoduladora e térmica controlada, em vez da ablação de tecido.
A mesma categoria de alta energia pode, portanto, dar resposta a aplicações muito diferentes.
Por que é que o ciclo de trabalho é importante no tratamento de animais
Os animais não conseguem descrever com precisão o desconforto térmico.
Isso torna o controlo temporal da energia especialmente útil.
A onda contínua fornece energia sem interrupção.
O modo de impulsos introduz períodos de desligamento.
O Super Pulse permite uma potência de pico elevada durante períodos de emissão breves.
O tecido recebe um perfil de energia temporal diferente em cada modo.
A FotonMedix descreve os modos VetMedix e Theralux Super Pulse como proporcionando uma potência de pico de até 38 W com sensação térmica ajustável e descreve o modo Pulse como uma emissão intermitente destinada a reduzir o sobreaquecimento. :contentReference[oaicite:7]{index=7}
Isto não significa que o tratamento por pulsos seja automaticamente mais seguro ou melhor.
Isso significa que o profissional de saúde dispõe de outra forma de controlar a administração de energia.
Por que razão a frequência, por si só, não diz tudo
A frequência indica o número de impulsos que ocorrem por segundo.
Não nos indica durante quanto tempo cada impulso permanece ativo.
Um tratamento a 100 Hz com uma duração de pulso curta tem um ciclo de trabalho diferente de um tratamento a 100 Hz com uma duração de pulso mais longa.
A potência média fornecida pode, portanto, variar mesmo quando a frequência é idêntica.
This becomes especially relevant when treating a small anatomical region.
A clinician may want high peak optical power without maintaining the same average thermal load.
Pulse timing provides that additional control.
Why the TPLO Study Is a Good Example
The 2018 randomized placebo-controlled TPLO trial is unusually useful because it reported multiple pulse-frequency phases.
The laser treatment included:
Onda contínua
2 Hz
10 Hz
50 Hz
100 Hz
200 Hz
500 Hz
1.000 Hz
5.000 Hz
Then Continuous Wave again.
The system used 660 nm red light at 100 mW and 800, 905 and 970 nm infrared wavelengths, with maximum continuous-wave power of 15 W and peak pulsed power of 20 W. :contentReference[oaicite:8]{index=8}
The protocol was therefore not a single constant setting.
It was a structured temporal energy sequence.
This is exactly why a professional veterinary Class IV platform should be evaluated for parameter control rather than maximum wattage alone.
Why the TPLO Results Were Not a Complete Success
The study included 95 dogs.
51 received laser treatment.
44 received placebo.
The laser group showed greater improvement in the gait section of the adjusted Canine Orthopedic Index.
But the researchers did not find significant differences in other clinical metrology scores, bone healing or several other outcomes. :contentReference[oaicite:9]{index=9}
This is important.
It prevents overstatement.
Class IV laser may help certain aspects of postoperative recovery.
It does not mean the laser automatically accelerates every aspect of surgical healing.
A veterinary rehabilitation program still needs appropriate exercise, pain management, surgical follow-up and clinical monitoring.
Why Another TPLO Study Found a Different Result
A separate study of 27 dogs investigated preoperative PBM using 800–900 nm dual-wavelength treatment at 6 W and 3.5 J/cm² over a 100 cm² area.
The PBM group showed greater peak vertical force at eight weeks, but no other significant differences were found across the measured outcomes. :contentReference[oaicite:10]{index=10}
Again, the result is not a universal endorsement.
It shows that treatment parameters and clinical endpoints matter.
A veterinary laser should therefore be positioned as an adjunctive modality rather than a replacement for the complete postoperative rehabilitation program.
Why the Hip Osteoarthritis Trial Is More Relevant to Chronic Laser Pet Therapy
The 2022 randomized double-blind study focused specifically on dogs with bilateral hip osteoarthritis.
Twenty dogs provided 40 affected joints.
The control joints received a 21-day course of meloxicam.
The PBMT joints received Class IV laser treatment over three weeks.
The researchers measured:
- Joint range of motion
- Thigh girth
- Canine Brief Pain Inventory
- Hudson Visual Analogue Scale
- Liverpool Osteoarthritis in Dogs
- Canine Orthopedic Index
- Function
- Gait
- Rigidez
- Quality of life
Follow-up continued to 90 days.
The PBMT group showed better results at several follow-up points and longer periods with favorable outcomes in Kaplan-Meier analysis. :contentReference[oaicite:11]{index=11}
This is a useful clinical model for terapia laser para animais de estimação because it looks beyond immediate pain.
It examines function and movement over time.
Why Pain Relief Alone Is Not Enough
An older dog can show less pain while still moving poorly.
The dog may continue avoiding stairs.
It may still struggle to rise.
It may shift weight away from one limb.
It may lose muscle mass.
This is why rehabilitation assessment should include function.
The 2022 canine hip study measured both pain and function.
Joint range of motion improved from day 15 through day 90 in the PBMT group. :contentReference[oaicite:12]{index=12}
That makes the outcome more meaningful than simply saying that the dog “felt better.”
Why Elbow Osteoarthritis Provides Another Strong Example
The 2018 randomized placebo-controlled study involved 20 dogs with naturally occurring elbow osteoarthritis.
The PBMT group received 10–20 J/cm² per joint over six weeks.
The placebo group received sham treatment.
After treatment:
9 of 11 PBMT dogs had reduced NSAID requirements.
None of the 9 placebo dogs had reduced NSAID requirements.
The PBMT group also had greater improvement in lameness scores.
The researchers reported significant improvements in multiple pain-related measures. :contentReference[oaicite:13]{index=13}
This is the type of evidence that supports laser as an adjunct in veterinary rehabilitation.
Why 10–20 J/cm² Is Not a Universal Dog Dose
The elbow study used 10–20 J/cm² per joint.
That does not mean every dog should receive 10–20 J/cm².
The target was elbow osteoarthritis.
The treatment area was defined.
The study population was defined.
The laser system was defined.
The treatment frequency was defined.
A dog with hip osteoarthritis has a different anatomical target.
A dog with a wound has another.
A postoperative stifle has another.
This is why clinical dosing cannot be copied from one indication to another without modification.
Why Large Dogs Change the Treatment Problem
A 7 kg dog and a 60 kg dog do not present the same anatomical challenge.
The treatment depth changes.
The area changes.
The muscle mass changes.
The clinician may need more energy to cover the target area.
But simply increasing power can also increase surface heating.
This is where a multi-mode system becomes useful.
The operator can adjust output, emission mode and treatment time rather than using one fixed setting.
Why the Horse Is a Completely Different Patient
The horse’s body changes the treatment geometry dramatically.
The lumbar region can contain a large volume of muscle.
The treatment area may extend over a considerable section of the back.
The clinician may be treating:
- Epaxial muscles
- Thoracolumbar fascia
- Sacroiliac region
- Gluteal muscles
- Tendons
- Joints
- Post-exercise muscle soreness
The treatment may need to cover a much larger surface than a canine joint.
É aqui que terapia laser para equinos requires a dedicated workflow.
The 61-Horse Clinical Trial
A randomized clinical trial published in the Revista de Ciência Veterinária Equina evaluated 61 Quarter Horses actively competing in national Western performance events.
The horses had back pain or poor performance associated with spinal dysfunction.
The mean age was 8.7 ± 3.7 years.
The group consisted of 3 stallions, 45 geldings and 13 mares.
The horses were assigned to laser therapy, chiropractic treatment or combined laser and chiropractic treatment.
The laser protocol used four 810 nm lasers with 3 W total power and a radiant exposure of 94 J/cm², applied to 5–10 sites according to clinical findings. :contentReference[oaicite:14]{index=14}
The laser group showed significant reductions in:
Dores de costas
Epaxial muscle hypertonicity
Trunk stiffness
The combined laser and chiropractic group also showed additive effects for some measures.
Chiropractic treatment alone did not significantly change back pain, muscle hypertonicity or trunk stiffness in the same way. :contentReference[oaicite:15]{index=15}
This is a useful example of multimodal equine rehabilitation.
Why the Horse Study Matters for Modern High-Intensity Equipment
The 61-horse study used a lower-power laser protocol.
It does not prove that a 38 W Class IV platform should be used with the same 94 J/cm² dose.
It demonstrates something else.
The treatment target was large.
The protocol was based on energy density.
The treatment sites were selected according to clinical findings.
The horse was evaluated for pain and movement rather than simply being treated according to a fixed timer.
This is exactly the mindset needed when using modern high-energy equipment.
Why Theralux-Max Is Designed for Equine Applications
FotonMedix Theralux-Max is specified with:
650 nm
810 nm
915 nm
940 nm
980 nm
38 W peak power
Super Pulse
Impulso
Onda contínua
Indicação da temperatura terapêutica
Tecnologia de manutenção da profundidade máxima de penetração
Dual hot-and-cold functionality
Built-in lithium battery
The manufacturer positions the system for fatigue recovery, muscular performance improvement, microtrauma prevention and repair, and treatment of muscle, bone, fascia, joint injuries and pain. :contentReference[oaicite:16]{index=16}
The battery is not merely a convenience.
Equine rehabilitation does not always happen inside a conventional treatment room.
A horse may be treated at a stable, training facility or competition environment.
Mobility can therefore have practical value.
Why Equine Laser Therapy Needs Large-Area Energy Control
A horse’s back cannot be treated like a small canine elbow.
The clinician may need to move across a broad muscle group.
The treatment area changes continuously.
The energy needs to be distributed evenly.
The handpiece needs to remain at a controlled distance or contact position.
The clinician needs to avoid creating isolated hot spots.
This makes output control and thermal feedback particularly useful.
Why Continuous Wave Has a Different Role in Horses
FotonMedix describes Continuous Wave as suitable for large animals or situations requiring high energy over a short period. :contentReference[oaicite:17]{index=17}
That makes practical sense for large treatment areas.
Continuous emission can deliver energy rapidly.
But the clinician still has to control movement and exposure.
A slow hand movement can concentrate energy.
A fast movement can distribute it more broadly.
The machine cannot compensate for poor application technique.
Why Pulse Mode Can Be Useful After Hard Exercise
A performance horse may have muscular fatigue after competition.
The objective may be to support recovery rather than create a strong thermal treatment.
Pulse mode provides intermittent emission.
The off periods reduce continuous thermal accumulation.
The therapist can therefore use a different energy-delivery pattern.
FotonMedix describes Pulse mode as intermittent emission intended to help avoid overheating. :contentReference[oaicite:18]{index=18}
Again, this does not mean pulse mode is automatically superior.
It gives the clinician another option.
Why Super Pulse Is Different
Super Pulse allows high peak power during short emission intervals.
FotonMedix specifies up to 38 W peak power for VetMedix-MAX and Theralux-Max.
The purpose is to provide deeper treatment capacity while allowing thermal sensation to be adjusted.
For a large animal, that can be useful when the target lies beneath substantial tissue thickness.
The key is that peak power is not the same as average power.
É aqui que o ciclo de trabalho se torna importante.
Why Duty Cycle Changes the Thermal Profile
Imagine a system operating at a high peak output.
If the laser is continuously active, the tissue receives uninterrupted optical energy.
If the same peak output is delivered only during a fraction of each cycle, the average thermal input is lower.
The tissue has intervals without additional optical energy.
During those intervals, heat can redistribute.
This is the basic reason pulsed treatment can be useful for thermal control.
The exact tissue temperature depends on many variables.
Blood flow.
Tissue thickness.
Absorption.
Área de tratamento.
Applicator movement.
Initial tissue temperature.
Exposure duration.
Therefore, duty cycle should be treated as one control variable rather than a guarantee of safety.
Why Animals Make Temperature Monitoring More Valuable
A human can communicate discomfort immediately.
An animal cannot.
Some animals tolerate heat well.
Others become uncomfortable quickly.
Coat thickness can also affect the treatment experience.
A thick coat changes the optical path before energy reaches the skin.
Clipping may or may not be appropriate depending on the indication.
The clinician therefore needs objective feedback where possible.
Therapeutic temperature indication is useful because it gives the operator information beyond subjective animal behavior.
Why “Deep Penetration” Needs a More Careful Explanation
Manufacturers often describe a treatment system as having deep penetration.
That phrase should not be interpreted as uniform energy at a fixed depth.
Optical energy attenuates as it travels through tissue.
The amount reaching deeper structures is lower than the amount entering the body.
The purpose of higher output is to compensate for attenuation and deliver enough energy to the intended target.
FotonMedix specifies a penetration depth of up to 15 cm for VetMedix-MAX and Theralux-Max. :contentReference[oaicite:19]{index=19}
Clinically, this should be interpreted as the system’s stated treatment capability rather than a claim that the same optical intensity exists unchanged throughout 15 cm of tissue.
Why More Power Can Become Less Useful
If the target is superficial, excessive output may mainly increase surface heating.
If the target is deep, higher output may help compensate for attenuation.
The clinician therefore needs to match power to target depth.
This is one reason the phrase “best laser therapy device for dogs” cannot have a single answer.
The best device depends on what the veterinary clinic actually treats.
Why a Rehabilitation Clinic May Prefer a Five-Wavelength System
A veterinary rehabilitation clinic may treat:
Osteoartrite
Tendon injury
Muscle injury
Postoperative pain
Dor crónica
Wounds
Edema
Neuropathic conditions
Lesões desportivas
The optical requirements differ.
A five-wavelength system gives the clinician more options.
It also means the clinic may not need several separate laser systems for different applications.
This can make a multi-wavelength platform commercially attractive.
Why VetMedix-MAX Is More Than a Therapy Device
VetMedix-MAX is positioned as a combination of laser therapy and laser surgery.
The manufacturer lists applications including:
Cirurgia geral
Cirurgia do glaucoma
Procedimentos otorrinolaringológicos
Dental procedures
Dermatologia
Endoscopic surgery
Soft-tissue vaporization
Ablação de tumores
Excision
The same system therefore has a broader clinical role than a therapy-only device. :contentReference[oaicite:20]{index=20}
For a veterinary hospital that performs both rehabilitation and surgical procedures, this can change the equipment purchasing calculation.
Why Surgical Use Requires a Different Wavelength Strategy
A surgical procedure has a different objective.
The clinician may want:
Coagulação
Incisão
Evaporation
Ablação
Excision
That requires more localized tissue interaction than non-invasive rehabilitation.
This is where 980 nm and 1470 nm become relevant.
1470 nm’s strong water absorption allows localized thermal interaction.
980 nm can provide significant coagulation and thermal effects.
The delivery system and fiber also become important.
This is not the same as scanning a laser across a dog’s back for photobiomodulation.
Why Pet Laser Therapy Should Not Be Sold as a Replacement for Medication
The strongest clinical positioning is adjunctive.
The 2018 canine elbow study found that PBMT reduced NSAID requirements in 9 of 11 treated dogs, but that does not mean laser should replace medication in every dog. :contentReference[oaicite:21]{index=21}
Medication may still be appropriate.
Weight management may be appropriate.
Exercise may be appropriate.
Joint support may be appropriate.
Surgery may be appropriate.
The laser becomes one component of the treatment plan.
Why the 2025 Evidence Review Is More Cautious
A 2025 evidence review asked whether concurrent laser treatment is more effective than NSAIDs alone for canine osteoarthritis.
The authors found only one randomized controlled trial meeting the review criteria and rated the strength of evidence as weak.
The review reported that laser treatment improved pain-related measures and lameness in the included study, but the authors emphasized the limited strength of the available evidence. :contentReference[oaicite:22]{index=22}
This is important for responsible veterinary marketing.
There is promising evidence.
There is also uncertainty.
A professional manufacturer should communicate both.
Why the Clinical Endpoint Matters
A dog may improve in one measure but not another.
A horse may show less back pain but no measurable change in performance.
A postoperative dog may walk better without radiographic evidence of faster bone healing.
The 2018 TPLO study illustrates this clearly.
The laser group improved in the gait component of the adjusted Canine Orthopedic Index.
But other clinical measurements and bone healing did not significantly differ. :contentReference[oaicite:23]{index=23}
Therefore, the veterinarian needs multiple outcome measures.
Why a Good Veterinary Protocol Includes More Than Joules
A complete treatment record should ideally include:
Patient species
Raça
Idade
Sexo
Peso
Diagnóstico
Anatomical region
Pathology severity
Comprimento de onda
Potência de saída
Emission mode
Frequência
Pulse duration where applicable
Duty cycle where applicable
Área de tratamento
Densidade energética
Total de Joules
Duração do tratamento
Number of sessions
Clinical response
Follow-up findings
This is how a treatment becomes reproducible.
Why the Case Number Matters in a Veterinary Hospital
A simulated case identifier such as:
VET-ORTHO-PBM-2026-020
can help organize internal treatment records.
It can link:
Diagnóstico
Protocolo de tratamento
Animal profile
Session number
Resultado
Acompanhamento
The case number should not be presented as if it were a published patient identifier.
It is a practical documentation structure.
Why Clinical Documentation Helps With Equipment Evaluation
Suppose a veterinary clinic treats 100 osteoarthritis patients in one year.
If each patient’s treatment is documented consistently, the clinic can see:
Which diagnoses respond best
Which protocols require more sessions
Which treatment areas require more energy
Which animals tolerate heat poorly
Which wavelengths are used most often
Which treatment modes are most practical
This creates a feedback loop between equipment use and clinical practice.
The machine becomes part of a measurable rehabilitation program.
Why This Matters for a Distributor
For a B2B veterinary equipment distributor, the buyer often asks:
“What can this machine treat?”
A better answer is:
“What are your main animal cases?”
Then the conversation can move to:
Dogs with hip osteoarthritis
Dogs recovering from TPLO
Dogs with elbow osteoarthritis
Horses with thoracolumbar pain
Performance horses requiring recovery
Lesões dos tecidos moles
Wound management
The product becomes easier to understand when connected to real cases.
Why the Five-Wavelength Platform Can Make Commercial Sense
A veterinary hospital does not necessarily want several machines.
It may want one platform that can handle:
Small animals
Large animals
Reabilitação
Gestão da dor
Wound care
Selected surgical applications
The VetMedix-MAX configuration is designed around that broader use.
The five wavelengths provide optical flexibility.
The 38 W peak output provides energy capacity.
Super Pulse, Pulse and CW provide temporal control.
Temperature indication provides thermal feedback.
The surgical kit expands the range of applications. :contentReference[oaicite:24]{index=24}
Why Equine Laser Therapy Needs Mobility
A horse is rarely treated like a human patient sitting on a rehabilitation table.
The treatment may happen:
In a stable
In a barn
At a training center
At a competition
In a rehabilitation facility
Near a paddock
Mobility therefore matters.
Theralux-Max includes a built-in lithium battery according to FotonMedix’s published specification. :contentReference[oaicite:25]{index=25}
For an equine practitioner, that can make the system easier to bring to the animal rather than forcing the animal into a fixed treatment environment.
Why Large-Area Treatment Makes Output Capacity More Relevant
If a therapist needs to treat a horse’s lumbar muscles, the treatment area may be much larger than a dog’s elbow.
Energy must be distributed across the area.
Treatment time becomes longer.
A high-output platform can reduce the time required to deliver an appropriate energy dose.
But the operator still has to control movement and temperature.
The machine creates capacity.
The clinician creates the treatment.
Why the Horse Study Supports Multimodal Care
The 61-horse trial compared laser therapy, chiropractic therapy and combined treatment.
Laser therapy significantly reduced back pain, epaxial muscle hypertonicity and trunk stiffness.
The combination of laser and chiropractic treatment produced additional improvements in some measures.
Chiropractic treatment alone did not produce the same changes in back pain and muscle hypertonicity. :contentReference[oaicite:26]{index=26}
The lesson is practical.
Laser does not need to replace other rehabilitation methods to be useful.
It can complement them.
Why Laser Can Fit Into a Performance Horse’s Recovery Program
A performance horse may be treated before exercise, after exercise or during rehabilitation.
The goal may differ each time.
Before strenuous work, the clinician may be interested in muscle preparation.
After exercise, the focus may be recovery.
During injury rehabilitation, the focus may be pain and tissue recovery.
The same machine can support different treatment strategies because the energy delivery can be changed.
Why the Treatment Should Follow the Horse’s Condition
A healthy horse recovering from competition is not the same as a horse with an active tendon injury.
The treatment dose should not be identical.
The anatomical target is different.
The risk profile is different.
The clinical endpoint is different.
This is why a high-energy laser should not be used according to a generic “horse protocol” without clinical assessment.
Why Traditional Veterinary Rehabilitation Still Matters
Laser therapy does not replace exercise.
It does not rebuild muscle by itself.
It does not restore joint mechanics.
It does not teach a horse to move correctly.
It does not correct poor training loads.
The strongest clinical model is multimodal.
Laser can help manage pain and tissue response.
Exercise can restore function.
Manual therapy can address mobility.
Weight management can reduce joint loading.
Surgical treatment can correct structural problems when necessary.
The laser fits into the larger plan.
What the Owner Actually Wants
For the dog owner, the meaningful outcome may be:
The dog gets up without hesitation.
The dog walks farther.
The dog sleeps more comfortably.
The dog uses the affected limb more naturally.
The dog needs less rescue medication.
For the horse owner, it may be:
A longer stride.
Better willingness to work.
Less back sensitivity.
Improved muscular recovery.
Better performance consistency.
These are the practical endpoints behind veterinary laser therapy.
Why the Equipment Should Be Selected Around These Outcomes
A veterinary clinic should ask:
Can the system deliver enough energy to the target?
Can the clinician adjust the wavelength?
Can the output be reduced?
Can pulse mode be used?
Can thermal response be monitored?
Can large treatment areas be handled efficiently?
Can the system be used on different animal sizes?
Can it support rehabilitation and surgery if needed?
The answer to these questions is more useful than a simple power rating.
Why “Best” Depends on the Veterinary Practice
There is no universal best laser therapy device for every dog.
A small general veterinary clinic may prioritize simplicity.
A rehabilitation center may prioritize multiple wavelengths and high output.
A referral orthopedic hospital may prioritize postoperative protocols and reproducibility.
A mixed veterinary hospital may value therapy plus surgical capability.
An equine sports medicine practice may prioritize large-area delivery, mobility and high peak output.
The best equipment is therefore the system that matches the workload.
Why FotonMedix’s Animal Platforms Are Structured Around Different Workloads
VetMedix-MAX is designed around veterinary therapy and surgery.
Theralux-Max is designed around equine therapy.
LaserMedix-MAX is designed around human physiotherapy.
SurgMedix-MAX is designed around human surgery.
The separation is logical.
The same high-energy laser principle does not mean the same machine should be used for every patient species.
Why Tissue Specificity Is More Important Than Maximum Output
The treatment target should determine the energy strategy.
For a deep joint, the clinician must consider optical attenuation.
For a superficial wound, unnecessary thermal loading should be avoided.
For a large horse muscle, energy must be distributed across a broad area.
For a postoperative stifle, the treatment needs to account for the surgical environment.
For a surgical procedure, the wavelength must match the desired tissue interaction.
This is why the best high-energy system is the one that gives the clinician enough control.
Why 980 nm Can Be Useful for Vascular and Thermal Effects
980 nm’s interaction with water and blood-containing tissue can make it useful when thermal effects are desired.
At controlled doses, the energy can influence circulation and tissue temperature.
At higher concentrations, it can produce coagulation.
That makes 980 nm relevant to both therapeutic and surgical contexts.
The treatment objective determines how it should be used.
Why 1470 nm Is More Specialized
1470 nm’s stronger water absorption makes it particularly relevant to surgical tissue interaction.
It can provide localized energy deposition in water-rich tissue.
That can be useful when the surgeon needs controlled coagulation or ablation.
It is not necessarily the best wavelength for non-invasive rehabilitation.
Again, the treatment target determines the technology.
Why Thermal Control Is the Common Thread
Whether the patient is a dog or horse, high-intensity treatment requires thermal awareness.
The operator needs to know:
How much energy is being delivered
How quickly it is being delivered
Where it is being delivered
How much tissue is absorbing it
How much heat is accumulating
When the treatment should move to another region
Pulse and duty-cycle control help manage this temporal problem.
Temperature indication adds another measurement.
Together, they make high-energy treatment more controllable.
Why More Joules Can Be the Wrong Answer
If a dog does not improve after several sessions, simply increasing the energy may not solve the problem.
The diagnosis may need to be reconsidered.
The treatment area may be wrong.
The target tissue may not be the primary pain generator.
The animal may need exercise modification.
Weight management may be necessary.
The joint may require a different medical intervention.
The same applies to horses.
Persistent back pain may have multiple causes.
Laser cannot correct every structural or biomechanical problem.
Why Clinical Judgment Still Controls the Machine
The machine does not diagnose.
The machine does not decide the treatment area.
The machine does not know whether the dog has improved.
The veterinarian does.
The laser is a tool.
A sophisticated tool, but still a tool.
That is why clinical training remains important even with automated protocols.
Why a Multi-Wavelength Device Can Reduce Equipment Fragmentation
A veterinary clinic may otherwise need:
One low-level laser
One high-output therapy laser
One surgical laser
One equine-specific system
A multi-purpose veterinary platform can reduce some of that fragmentation.
VetMedix-MAX combines five therapeutic wavelengths with therapy and surgical capabilities.
Theralux-Max provides a dedicated equine platform with the same five-wavelength architecture and 38 W peak output.
This allows the buyer to build equipment around actual patient volume.
Why the Clinical Evidence Should Be Read With Some Restraint
The evidence for veterinary PBM is encouraging but not uniform.
The canine hip study showed meaningful improvements.
The canine elbow study showed improvements in pain, lameness and NSAID requirements.
The TPLO Class IV study showed improvement in gait but not in several other endpoints.
The horse study showed reductions in back pain and stiffness.
These results are useful.
They do not justify saying laser treatment cures osteoarthritis, accelerates every surgical procedure or replaces medication.
The strongest position is that veterinary laser therapy can be a useful adjunct for selected patients when an appropriate protocol is used.
Why This Is Better for the Veterinary Buyer
A veterinarian purchasing a high-energy laser does not need exaggerated claims.
They need:
Reliable output
Appropriate wavelengths
Treatment flexibility
Thermal control
Reproducible protocols
Good documentation
Formação
Serviço
The machine should help the veterinarian work more precisely.
That is the real commercial value.
Conclusão
A frase terapia laser para animais de estimação sounds simple.
The actual treatment is not.
A dog with hip osteoarthritis is not the same as a dog recovering from TPLO.
A dog with elbow osteoarthritis is not the same as a horse with thoracolumbar pain.
A performance horse recovering from strenuous exercise is not the same as an injured horse undergoing rehabilitation.
The treatment target changes.
The tissue depth changes.
The treatment area changes.
The energy density changes.
The thermal response changes.
The clinical endpoint changes.
This is why the melhor aparelho de terapia laser para cães is not necessarily the machine with the largest maximum output.
The better system is the one that gives the veterinarian enough control over wavelength, power, emission mode, treatment area, total energy and thermal response.
The clinical evidence supports this approach.
A randomized double-blind study of 20 dogs with bilateral hip osteoarthritis found better pain and functional outcomes following Class IV photobiomodulation, with joint range of motion improvements continuing through 90 days. The dogs had a mean age of 8.3 years, and their osteoarthritis ranged from moderate to severe. :contentReference[oaicite:27]{index=27}
A separate randomized placebo-controlled trial of 20 dogs with elbow osteoarthritis found that six weeks of PBMT at 10–20 J/cm² improved lameness and pain scores, while NSAID requirements decreased in 9 of 11 treated dogs and none of the placebo dogs. :contentReference[oaicite:28]{index=28}
The evidence is not universally positive.
The 95-dog TPLO study using 660 nm, 800 nm, 905 nm and 970 nm found improvement in the gait section of the adjusted Canine Orthopedic Index but did not demonstrate significant improvement in other major outcomes or bone healing. :contentReference[oaicite:29]{index=29}
That is a valuable result because it shows the proper role of veterinary laser.
It is an adjunct.
It is not a replacement for surgery, exercise, medication or rehabilitation.
The equine evidence tells a similar story.
The randomized trial of 61 Quarter Horses with back pain found that 810 nm laser therapy using 3 W total power and 94 J/cm² over 5–10 clinical sites significantly reduced back pain, epaxial muscle hypertonicity and trunk stiffness. Combined laser and chiropractic treatment produced additional improvements in some measures. :contentReference[oaicite:30]{index=30}
For an equine practice, this makes terapia laser para equinos particularly interesting as part of a multimodal rehabilitation program.
FotonMedix Theralux-Max is designed around that type of workflow.
It provides five wavelengths at 650 nm, 810 nm, 915 nm, 940 nm and 980 nm, 38 W peak power, Super Pulse, Pulse and Continuous Wave modes, therapeutic temperature indication, peak penetration-depth maintaining technology and a built-in lithium battery. :contentReference[oaicite:31]{index=31}
For canine and veterinary practice, VetMedix-MAX provides the same five-wavelength architecture with 38 W peak output, Super Pulse, Pulse and Continuous Wave modes, therapeutic temperature indication and both therapy and selected surgical functions. :contentReference[oaicite:32]{index=32}
The optical physics behind these systems matters.
As light travels through tissue, absorption and scattering reduce the available energy with depth.
980 nm has meaningful interaction with water and blood-containing tissue and can produce substantial thermal effects at high intensity.
1470 nm has much stronger water absorption and is therefore more specialized for surgical tissue interaction.
Pulse frequency and duty cycle influence how quickly heat accumulates.
Continuous Wave provides uninterrupted energy.
Pulse mode creates emission and cooling intervals.
Super Pulse allows high peak output without requiring the same continuous thermal load.
These are not simply technical specifications.
They determine how the energy behaves in tissue.
That difference becomes especially important in animals because the patient cannot describe heat or discomfort in the same way a human can.
A professional veterinary laser should therefore provide the clinician with control rather than simply maximum output.
The machine should allow the veterinarian to choose the treatment strategy according to the patient.
For a small dog with hip osteoarthritis, the priority may be controlled energy delivery around the joint.
For a postoperative TPLO patient, the protocol may focus on perioperative pain and functional recovery.
For an elbow osteoarthritis case, energy density and repeated treatment may matter more.
For a performance horse, large-area muscle treatment and thermal management become central.
For a surgical procedure, 980 nm or 1470 nm may be more appropriate depending on the intended tissue effect.
This is why high-energy veterinary laser should be viewed as a clinical platform rather than a single treatment.
Traditional veterinary care still has an important role.
Exercise builds function.
Weight management reduces mechanical loading.
Medication controls symptoms when indicated.
Surgery corrects structural problems when necessary.
Manual therapy can address mobility.
Laser can become another tool inside that treatment pathway.
The best result is not created by the machine alone.
It comes from matching the right energy to the right tissue, using the right protocol, at the right stage of rehabilitation.
That is the practical difference between owning a high-power laser and actually using high-energy laser therapy well.
Clinical References
Alves JC, Santos A, Jorge P, Carreira LM. A randomized double-blinded controlled trial on the effects of photobiomodulation therapy in dogs with osteoarthritis. American Journal of Veterinary Research. 2022;83(8). The study included 20 dogs and 40 hip joints, with moderate and severe osteoarthritis represented in the treatment population.
Looney AL, Huntingford JL, Blaeser LL, Mann S. A randomized blind placebo-controlled trial investigating the effects of photobiomodulation therapy on canine elbow osteoarthritis. Canadian Veterinary Journal. 2018;59(9):959–966.
Renwick SM, et al. Influence of class IV laser therapy on the outcomes of tibial plateau leveling osteotomy in dogs. Veterinary Surgery. 2018;47:507–515.
Haussler KK, Manchon PT, Donnell JR, Frisbie DD. Effects of Low-Level Laser Therapy and Chiropractic Care on Back Pain in Quarter Horses. Journal of Equine Veterinary Science. 2020;86:102891.
Alvarez LX, et al. Systematic review of postoperative rehabilitation interventions after cranial cruciate ligament surgery in dogs. Veterinary Surgery. 2022.
FotonMedix VetMedix-MAX product documentation specifies five wavelengths at 650 nm, 810 nm, 915 nm, 940 nm and 980 nm, 38 W peak output, Super Pulse, Pulse and Continuous Wave modes, therapeutic temperature indication, peak penetration-depth maintaining technology and veterinary therapy and surgical applications.
FotonMedix Theralux-Max product documentation specifies five wavelengths at 650 nm, 810 nm, 915 nm, 940 nm and 980 nm, 38 W peak output, Super Pulse, Pulse and Continuous Wave modes, therapeutic temperature indication, built-in lithium battery and equine applications including fatigue recovery, muscular performance improvement, microtrauma prevention and treatment of muscle, bone, fascia and joint injuries.
FotonMedix SurgMedix-MAX documentation specifies 1470 nm at 20 W, 980 nm at 40 W and 635 nm at 0.5 W for surgical applications involving coagulation, evaporation, cutting, incision and excision.
Clinical parameters reported in veterinary studies should not be treated as universal treatment prescriptions. Wavelength, power, treatment area, energy density, total Joules, frequency, duty cycle and treatment duration should be selected by appropriately trained veterinary professionals according to species, anatomy, diagnosis, tissue response, device specifications and applicable clinical standards.
FotonMedix
