{"id":12434,"date":"2026-03-30T17:36:00","date_gmt":"2026-03-30T09:36:00","guid":{"rendered":"https:\/\/fotonmedix.com\/"},"modified":"2026-03-30T16:04:58","modified_gmt":"2026-03-30T08:04:58","slug":"photothermal-precision-in-endovenous-and-proctological-surgery-the-1470nm-advantage","status":"publish","type":"post","link":"https:\/\/fotonmedix.com\/pt\/photothermal-precision-in-endovenous-and-proctological-surgery-the-1470nm-advantage.html\/","title":{"rendered":"Precis\u00e3o fotot\u00e9rmica em cirurgia endovenosa e proctol\u00f3gica: A vantagem do 1470nm"},"content":{"rendered":"

The integration of 1470nm “water-specific” wavelengths in Class 4 laser therapy represents a paradigm shift from crude thermal ablation to molecular-level tissue sealing, minimizing the carbonization risks inherent in traditional 980nm systems while maximizing post-operative recovery speed.<\/p>\n\n\n\n

Coeficientes de Absor\u00e7\u00e3o Molecular e a F\u00edsica da Abla\u00e7\u00e3o Direcionada<\/h2>\n\n\n\n

Nos dom\u00ednios especializados da abla\u00e7\u00e3o por laser endovenoso (EVLA) e da proctologia avan\u00e7ada (LHP\/FiLaC), o objetivo cl\u00ednico de tratamento por terapia laser<\/strong> \u00e9 a destrui\u00e7\u00e3o controlada da parede da veia ou do trato da f\u00edstula sem danificar os feixes nervosos adjacentes ou as camadas d\u00e9rmicas. A superioridade t\u00e9cnica do sistema SurgMedix 1470nm reside no coeficiente de absor\u00e7\u00e3o espec\u00edfico da \u00e1gua ($\\mu_a$ em $H_2O$), que atinge um pico significativo a 1470nm em compara\u00e7\u00e3o com os lasers de d\u00edodo tradicionais de 810nm ou 980nm.<\/p>\n\n\n\n

Quando um cirurgi\u00e3o utiliza uma fibra radial numa veia safena magna (VSM), a energia deve ser absorvida pela \u00e1gua intersticial da parede da veia e n\u00e3o pelo sangue intravascular. Se a energia for absorvida principalmente pela hemoglobina (como acontece com o 980nm), isso leva \u00e0 ebuli\u00e7\u00e3o do sangue, \u00e0 forma\u00e7\u00e3o de bolhas de vapor e \u00e0s subsequentes perfura\u00e7\u00f5es das veias, que se manifestam como equimoses (n\u00f3doas negras) p\u00f3s-operat\u00f3rias.<\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

A densidade de energia necess\u00e1ria para uma les\u00e3o t\u00e9rmica transmural bem sucedida pode ser modelada pela seguinte equa\u00e7\u00e3o de condu\u00e7\u00e3o de calor em coordenadas cil\u00edndricas:<\/p>\n\n\n\n

$$\\rho c \\frac{\\partial T}{\\partial t} = \\frac{1}{r} \\frac{\\partial}{\\partial r} \\left( kr \\frac{\\partial T}{\\partial r} \\right) + Q_l$$<\/p>\n\n\n\n

Onde:<\/p>\n\n\n\n

    \n
  • $T$ \u00e9 a temperatura.<\/li>\n\n\n\n
  • $\\rho$ e $c$ s\u00e3o a densidade e o calor espec\u00edfico do tecido.<\/li>\n\n\n\n
  • $k$ \u00e9 a condutividade t\u00e9rmica.<\/li>\n\n\n\n
  • $Q_l$ \u00e9 a fonte de calor volum\u00e9trica gerada pelo terapia laser de classe 4<\/strong> fonte.<\/li>\n<\/ul>\n\n\n\n

    By utilizing the 1470nm wavelength, $Q_l$ is concentrated within a very thin layer ($< 0.3mm$) of the target tissue. This precision ensures that the temperature reaches the required $70^\\circ C – 85^\\circ C$ for collagen denaturation and vessel shrinkage without exceeding the threshold of carbonization, which occurs at $100^\\circ C+$.<\/p>\n\n\n\n

    Vantagem estrat\u00e9gica B2B: Resultados cl\u00ednicos vs. modalidades tradicionais<\/h2>\n\n\n\n

    Para os propriet\u00e1rios de cl\u00ednicas privadas e para os departamentos de compras dos hospitais, a transi\u00e7\u00e3o para terapia laser de alta intensidade<\/strong> is driven by the demand for “Walk-in, Walk-out” surgical solutions. The 1470nm technology drastically reduces the recurrence rates of varicose veins and hemorrhoids by ensuring a more uniform, circumferential thermal effect.<\/p>\n\n\n\n

    Desempenho comparativo: Cirurgia convencional vs. SurgMedix 1470nm<\/h3>\n\n\n\n
    Par\u00e2metro cir\u00fargico<\/strong><\/td>Liga\u00e7\u00e3o e decapagem elevadas<\/strong><\/td>SurgMedix 1470nm EVLA<\/strong><\/td>Benef\u00edcio cl\u00ednico<\/strong><\/td><\/tr><\/thead>
    Necessidade de anestesia<\/strong><\/td>Geral \/ Coluna vertebral<\/td>Tumescente local<\/td>Menor risco sist\u00e9mico<\/td><\/tr>
    Tamanho da incis\u00e3o<\/strong><\/td>3 – 5 cm (Multiple)<\/td>2 mm (perfura\u00e7\u00e3o)<\/td>Sem cicatrizes; infe\u00e7\u00e3o m\u00ednima<\/td><\/tr>
    Dor p\u00f3s-operat\u00f3ria (VAS)<\/strong><\/td>6 – 8 \/ 10<\/td>1 – 2 \/ 10<\/td>Redu\u00e7\u00e3o da depend\u00eancia de opi\u00e1ceos<\/td><\/tr>
    Regresso ao trabalho<\/strong><\/td>14 - 21 dias<\/td>1 – 2 Days<\/td>Efici\u00eancia econ\u00f3mica para os doentes<\/td><\/tr>
    Equimoses \/ Hematomas<\/strong><\/td>Extensivo<\/td>M\u00ednimo a nenhum<\/td>Resultados est\u00e9ticos superiores<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    Ao utilizar terapia de luz laser<\/strong> as the primary modality, surgeons can treat Grade III and IV hemorrhoids with the Laser Hemorrhoidoplasty (LHP) technique. Unlike a traditional hemorrhoidectomy (Milligan-Morgan), LHP preserves the sensitive anoderm and the sphincter muscle, virtually eliminating the risk of fecal incontinence\u2014a critical clinical pain point that often deters patients from seeking treatment.<\/p>\n\n\n\n

    Estudo de caso cl\u00ednico: LHP Avan\u00e7ado para Prolapso Hemorroid\u00e1rio de Grau IV<\/h2>\n\n\n\n

    Antecedentes do doente e apresenta\u00e7\u00e3o cl\u00ednica<\/h3>\n\n\n\n
      \n
    • Assunto:<\/strong> Mulher de 55 anos, hemorr\u00f3idas internas cr\u00f3nicas de grau IV com prolapso e hemorragia frequentes.<\/li>\n\n\n\n
    • Diagn\u00f3stico:<\/strong> Doen\u00e7a hemorroid\u00e1ria de grau IV com prolapso da mucosa associado. O doente recusou a cirurgia convencional devido ao receio da dor p\u00f3s-operat\u00f3ria e da recupera\u00e7\u00e3o prolongada.<\/li>\n<\/ul>\n\n\n\n

      Configura\u00e7\u00e3o de par\u00e2metros intra-operat\u00f3rios<\/h3>\n\n\n\n

      O procedimento foi realizado utilizando o sistema SurgMedix 1470nm com uma fibra c\u00f3nica especializada para garantir uma penetra\u00e7\u00e3o profunda da energia na almofada hemorroid\u00e1ria.<\/p>\n\n\n\n

      Par\u00e2metro<\/strong><\/td>Defini\u00e7\u00e3o \/ Valor<\/strong><\/td><\/tr><\/thead>
      Comprimento de onda<\/strong><\/td>1470 nm<\/td><\/tr>
      Pot\u00eancia de sa\u00edda<\/strong><\/td>8W – 10W (Continuous Wave)<\/td><\/tr>
      Energia total por n\u00f3<\/strong><\/td>100 J – 120 J<\/td><\/tr>
      Dura\u00e7\u00e3o do impulso<\/strong><\/td>1,2 segundos<\/td><\/tr>
      Total de energia fornecida<\/strong><\/td>450 J (em 4 n\u00f3s)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      Recupera\u00e7\u00e3o e conclus\u00e3o cl\u00ednica<\/h3>\n\n\n\n
        \n
      • P\u00f3s-operat\u00f3rio imediato:<\/strong> O doente referiu uma pontua\u00e7\u00e3o de dor VAS de 1\/10. N\u00e3o se registou qualquer hemorragia.<\/li>\n\n\n\n
      • 72 horas p\u00f3s-operat\u00f3rias:<\/strong> O doente regressou ao trabalho de escrit\u00f3rio ligeiro. Registou-se um ligeiro edema, que foi tratado com anti-inflamat\u00f3rios orais.<\/li>\n\n\n\n
      • 4 semanas de acompanhamento:<\/strong> Retra\u00e7\u00e3o completa das almofadas hemorroidais. A avalia\u00e7\u00e3o anosc\u00f3pica confirmou a fibrose total do ped\u00edculo vascular.<\/li>\n\n\n\n
      • Resumo:<\/strong> A utiliza\u00e7\u00e3o de terapia laser para tecidos profundos<\/strong> atrav\u00e9s de uma abordagem submucosa permitiu a destrui\u00e7\u00e3o do fornecimento da art\u00e9ria hemorroid\u00e1ria, mantendo a integridade da superf\u00edcie da mucosa.<\/li>\n<\/ul>\n\n\n\n

        Manuten\u00e7\u00e3o e seguran\u00e7a: O Quadro de Conformidade B2B<\/h2>\n\n\n\n

        As a B2B manufacturer, Fotonmedix emphasizes that the performance of a Class 4 system is only as reliable as its maintenance protocol. For regional distributors, providing a comprehensive “Service Level Agreement” (SLA) is key to securing long-term contracts with state hospitals.<\/p>\n\n\n\n

        Gest\u00e3o de fibras e efici\u00eancia \u00f3tica<\/h3>\n\n\n\n

        A fibra \u00f3tica \u00e9 o componente mais vulner\u00e1vel da cadeia cir\u00fargica. Alta pot\u00eancia terapia de luz laser<\/strong> requer fibras com elevada abertura num\u00e9rica (NA) e n\u00facleos de s\u00edlica pura.<\/p>\n\n\n\n

          \n
        • Dica Integridade:<\/strong> In proctological procedures, contact with charred tissue can cause the fiber tip to overheat and “pit.” Surgeons are advised to use a “back-and-forth” motion to prevent localized overheating.<\/li>\n\n\n\n
        • Cuidados com o conetor:<\/strong> The SMA-905 connector must be inspected with a fiber scope for dust particles. A single speck of dust can vaporize at 15W, causing a catastrophic “burn-back” into the laser’s internal optical bench.<\/li>\n<\/ul>\n\n\n\n

          Normas regulamentares internacionais<\/h3>\n\n\n\n

          Para os parceiros B2B na UE e na Am\u00e9rica do Norte, a conformidade com a MDR (Medical Device Regulation) e a FDA 510(k) \u00e9 essencial. Os nossos sistemas s\u00e3o submetidos a rigorosos testes de Compatibilidade Electromagn\u00e9tica (EMC) para garantir que n\u00e3o interferem com outro equipamento de teatro sens\u00edvel, como monitores card\u00edacos ou torres laparosc\u00f3picas.<\/p>\n\n\n\n

          O futuro da fotobiomodula\u00e7\u00e3o na recupera\u00e7\u00e3o p\u00f3s-cir\u00fargica<\/h2>\n\n\n\n

          Enquanto o laser cir\u00fargico efectua a abla\u00e7\u00e3o, a aplica\u00e7\u00e3o secund\u00e1ria de terapia de fotobiomodula\u00e7\u00e3o<\/strong> (using the 650nm\/810nm wavelengths) is gaining traction for post-operative care. By applying a low-fluence, high-area treatment immediately after surgery, clinicians can stimulate lymphatic drainage and reduce the “inflammatory cascade,” further shortening the recovery window. This dual-use capability (Ablation + Recovery) is a unique selling proposition for the Fotonmedix series, allowing clinics to justify the capital expenditure through multi-departmental utility.<\/p>\n\n\n\n

          \n\n\n\n

          PERGUNTAS FREQUENTES: Suporte t\u00e9cnico profissional<\/h3>\n\n\n\n

          1. What is the advantage of a “Radial” fiber over a “Bare” fiber in EVLA?<\/strong><\/p>\n\n\n\n

          A radial fiber emits light in a 360-degree ring, ensuring the entire vein wall is treated uniformly. Bare fibers emit light forward, often causing localized “hot spots” and vein perforations, which lead to post-op pain and bruising.<\/p>\n\n\n\n

          2. O sistema SurgMedix pode ser utilizado para procedimentos ORL?<\/strong><\/p>\n\n\n\n

          Sim. O comprimento de onda de 1470 nm \u00e9 altamente eficaz para a redu\u00e7\u00e3o de cornetos e amigdalectomia, em que \u00e9 necess\u00e1ria uma cirurgia sem sangue e uma propaga\u00e7\u00e3o t\u00e9rmica m\u00ednima para proteger as membranas mucosas delicadas e a cartilagem subjacente.<\/p>\n\n\n\n

          3. Is there a risk of “Over-treatment” with Class 4 power levels?<\/strong><\/p>\n\n\n\n

          Sim. Ao contr\u00e1rio dos lasers de Classe 3b, os lasers de Classe 4 podem induzir danos t\u00e9rmicos r\u00e1pidos nos tecidos. \u00c9 fundamental calcular a Densidade de Energia Endovenosa Linear (LEED) ou o total de Joules fornecidos por cm para garantir o sucesso terap\u00eautico sem comprometer a seguran\u00e7a.<\/p>","protected":false},"excerpt":{"rendered":"

          The integration of 1470nm “water-specific” wavelengths in Class 4 laser therapy represents a paradigm shift from crude thermal ablation to molecular-level tissue sealing, minimizing the carbonization risks inherent in traditional 980nm systems while maximizing post-operative recovery speed. Molecular Absorption Coefficients and the Physics of Targeted Ablation In the specialized fields of endovenous laser ablation (EVLA) […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false,"footnotes":"","_wpscp_schedule_draft_date":"","_wpscp_schedule_republish_date":"","_wpscppro_advance_schedule":false,"_wpscppro_advance_schedule_date":"","_wpscppro_dont_share_socialmedia":false,"_wpscppro_custom_social_share_image":0,"_facebook_share_type":"default","_twitter_share_type":"default","_linkedin_share_type":"default","_pinterest_share_type":"default","_linkedin_share_type_page":"default","_instagram_share_type":"default","_medium_share_type":"default","_threads_share_type":"default","_google_business_share_type":"default","_selected_social_profile":[],"_wpsp_enable_custom_social_template":false,"_wpsp_social_scheduling":{"enabled":false,"datetime":null,"platforms":[],"status":"template_only","dateOption":"today","timeOption":"now","customDays":"","customHours":"","customDate":"","customTime":"","schedulingType":"absolute"},"_wpsp_active_default_template":true},"categories":[19],"tags":[827,832,817,836],"class_list":["post-12434","post","type-post","status-publish","format-standard","hentry","category-industry-news","tag-surgical-laser","tag-deep-tissue-laser-therapy","tag-class-4-laser-therapy","tag-laser-light-therapy"],"metadata":{"_facebook_share_type":["default"],"_twitter_share_type":["default"],"_linkedin_share_type":["default"],"_pinterest_share_type":["default"],"_instagram_share_type":["default"],"_medium_share_type":["default"],"_threads_share_type":["default"],"_google_business_share_type":["default"],"_wpsp_custom_templates":["a:7:{s:8:\"facebook\";a:3:{s:8:\"template\";s:0:\"\";s:8:\"profiles\";a:0:{}s:9:\"is_global\";b:0;}s:7:\"twitter\";a:3:{s:8:\"template\";s:0:\"\";s:8:\"profiles\";a:0:{}s:9:\"is_global\";b:0;}s:8:\"linkedin\";a:3:{s:8:\"template\";s:0:\"\";s:8:\"profiles\";a:0:{}s:9:\"is_global\";b:0;}s:9:\"pinterest\";a:3:{s:8:\"template\";s:0:\"\";s:8:\"profiles\";a:0:{}s:9:\"is_global\";b:0;}s:9:\"instagram\";a:3:{s:8:\"template\";s:0:\"\";s:8:\"profiles\";a:0:{}s:9:\"is_global\";b:0;}s:6:\"medium\";a:3:{s:8:\"template\";s:0:\"\";s:8:\"profiles\";a:0:{}s:9:\"is_global\";b:0;}s:7:\"threads\";a:3:{s:8:\"template\";s:0:\"\";s:8:\"profiles\";a:0:{}s:9:\"is_global\";b:0;}}"],"_edit_lock":["1774857900:1"],"_wpsp_social_scheduling":["a:11:{s:7:\"enabled\";b:0;s:8:\"datetime\";N;s:9:\"platforms\";a:0:{}s:6:\"status\";s:13:\"template_only\";s:10:\"dateOption\";s:5:\"today\";s:10:\"timeOption\";s:3:\"now\";s:10:\"customDays\";s:0:\"\";s:11:\"customHours\";s:0:\"\";s:10:\"customDate\";s:0:\"\";s:10:\"customTime\";s:0:\"\";s:14:\"schedulingType\";s:8:\"absolute\";}"],"wpil_sync_report3":["1"],"themepark_post_bcolor":["#f5f5f5"],"themepark_post_width":["1022px"],"themepark_post_img":[""],"themepark_post_img_po":["left"],"themepark_post_img_re":[""],"themepark_post_img_cover":[""],"themepark_post_img_fixed":[""],"themepark_post_hide_title":[""],"themepark_post_main_b":[""],"themepark_post_main_p":["100"],"themepark_paddingblock":[""],"footnotes":[""],"_wpscp_schedule_draft_date":[""],"_wpscp_schedule_republish_date":[""],"_wpscppro_advance_schedule_date":[""],"_wpscppro_dont_share_socialmedia":[""],"_wpscppro_custom_social_share_image":["0"],"_linkedin_share_type_page":["default"],"_selected_social_profile":["a:0:{}"],"_wpsp_enable_custom_social_template":[""],"_wpsp_active_default_template":["1"],"_edit_last":["1"],"_aioseo_title":["1470nm Class 4 Laser Therapy: Precision Surgery Solutions"],"_aioseo_description":["Technical guide on 1470nm Class 4 laser therapy for EVLA and LHP surgery. 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