VETMEDIX Case Study | Application of High-Power Veterinary Laser Therapy in Severe Dog Bite Injuries

Introduction

When small companion animals are bitten by larger dogs, the wounds are often deep and extensively torn, frequently resulting in persistent bleeding, tissue necrosis, and secondary infections. Conventional hemostasis and suturing procedures may cause additional trauma and, if bleeding control is incomplete or tissue repair is slow, can increase the risk of suppuration and excessive scar formation, ultimately affecting limb function recovery.

High-power veterinary laser therapy, as an advanced modality for trauma repair and pain management in animal clinical practice, provides an efficient solution for the treatment of severe bite injuries. With advantages including precise targeting, non-invasive application, strong antibacterial effects, and enhanced tissue repair, this veterinary laser therapy machine offers a reliable approach for managing complex traumatic wounds.

This case documents the complete rehabilitation process of a patient treated with the VETMEDIX high-power laser therapy device following a severe bite injury with infection. It demonstrates the practical clinical effects of high-power therapy laser application in infection control, pain relief, accelerated wound healing, and functional recovery, providing reference for similar severe traumatic bite cases and supporting rapid return to normal activity.

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Case Information

Name: Strawberry
Breed: Poodle
Sex: Male
Age: 9 years
Weight: 4.5 kg
Condition: Acute
Medical History: None
Chief Complaint: Severe bleeding after dog bite, abdominal swelling, dorsal injury, pale gums, and marked anxiety

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Diagnosis

Severe bite wound with hemorrhage

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VETMEDIX High-Power Laser Therapy Protocol

Treatment Period: July 6, 2025 – July 13, 2025
Total Sessions: 10 laser therapy sessions

Treatment Plan:

• Therapy initiated 36 hours post-surgery
• Scapular region (first two days): Custom mode, 10W, duty cycle 10%
• Abdominal region (first two days): Chronic – Canine – Skin – 225 cm²
• Subsequent sessions (scapular + abdominal regions): Acute – Canine – Skin – 400 cm²

Adjunctive Therapy: Surgical suturing and daily intravenous infusion

Treatment Technique: Standard treatment handpiece applied in circular motion over the bite wound areas

During the VETMEDIX laser treatment

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Treatment Outcome

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Case Summary

Short-Term Follow-Up:
The veterinary team at Ruipai Kangyi Companion Animal Hospital formulated and implemented a high-power veterinary laser therapy protocol for the patient severely bitten by a large dog. After treatment, redness, swelling, heat, and pain at the wound site resolved rapidly. Bleeding was effectively controlled, and the progression of infection was promptly contained. Previously oozing wound surfaces gradually became dry, abdominal swelling subsided progressively, and dorsal tissue condition steadily returned to normal.

Symptoms of anxiety, restlessness, and restricted mobility caused by severe pain were significantly improved. Postoperative scapular incision showed mild exudation; after two laser sessions, exudation ceased and the incision closed normally. The abdominal region initially showed no exudation but presented with bruising; after two sessions, the bruised area expanded, and after three sessions, the bruised area remained enlarged but lightened in color. With continued laser therapy, the bruising gradually resolved. Prior to discharge, the incision had healed well without bruising, and abdominal skin coloration returned to normal.

Long-Term Follow-Up:
During continued follow-up visits after discharge, bleeding at the bite site had completely stopped, abdominal swelling had fully resolved, and the dorsal wound healed smoothly. The patient’s mental state gradually stabilized from severe anxiety to calmness. Throughout the recovery process, no complications such as infection spread, tissue necrosis, or wound adhesion occurred. Limb function recovered successfully. The patient’s appetite, mental condition, and mobility are currently stable, and normal daily life has been fully restored.

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Conclusion

This case confirms the clinical value of the VETMEDIX high-power veterinary laser therapy machine in the treatment of severe bite injuries in small animals. Through precise, non-invasive application, the laser therapy device can rapidly assist in wound sealing, bleeding control, inflammation reduction, and pain relief while lowering infection risk. It also promotes wound repair, reduces scar formation, modulates immune response, and supports functional recovery of injured areas, providing a safe, efficient, and clinically appropriate solution for severe traumatic bite management.

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Attending Veterinarian

Dr. Lai Liumei
Attending Veterinarian, Kangyi Hudong General Hospital

Professional Background:
Licensed national veterinarian. Graduated from Nanjing Agricultural University. Participated multiple times in the National Small Animal Veterinary Conference and completed advanced veterinary training at the University of California, Davis (Emergency and Critical Care), along with additional specialized training in ultrasonography, anesthesia, dermatology, and other disciplines organized by veterinary institutions.

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Hospital Introduction

Ruipai Kangyi Companion Animal Hospital is a comprehensive veterinary institution integrating professional talent, solid clinical expertise, and advanced medical equipment, providing safe and reliable diagnostic and treatment services for animals. The hospital demonstrates strong performance across internal medicine, orthopedics, ophthalmology, soft tissue surgery, endocrinology, dermatology, and diagnostic imaging, with extensive successful clinical case experience.

The hospital is equipped with Class-1000 laminar airflow operating rooms, phacoemulsification and vitrectomy systems, and advanced laser therapy equipment. The total value of high-end equipment across its branches reaches seven figures. Facilities include specialized consultation rooms, canine and feline inpatient wards, isolation rooms, and Class-1000 laminar airflow surgical suites.