Cryotherapy Device
Release time:
2025-09-29

Cryotherapy is a kind of physical therapy that achieves therapeutic effects by lowering the temperature of the affected area. Its primary function is to reduce pain, swelling, inflammation, and muscle spasms. Its mechanism is to constrict blood vessels, reducing blood circulation and exudate. Common applications include ice packs, ice bags, ice baths, and cold sprays. These are often used for the early stages of sports injuries (such as sprains and contusions), burns, heat stroke, and postoperative rehabilitation.
Main Effects and Mechanisms
- Reducing Bleeding and Inflammation
Cold temperatures cause local vasoconstriction, slowing blood circulation and reducing capillary permeability, thereby reducing bleeding and inflammation.
- Reducing Pain
Cryotherapy can raise the pain threshold and reduce nerve conduction velocity, thereby alleviating pain.
- Relieves Muscle Spasms
Cooling relaxes muscles and reduces spasms, while the numbness also relieves pain-causing muscle contractions.
- Inhibiting Edema
Reduces blood and tissue fluid exudation, effectively suppressing swelling.
Applications
Early Stage Sports Injuries: This product is an effective early treatment for acute injuries (within 24-48 hours), such as muscle strains, sprains, and soft tissue contusions.
Burns and Heat Stroke: This product is used to treat the initial stages of burns and heat stroke.
Postoperative Recovery: This product accelerates recovery by reducing postoperative swelling, pain, and muscle spasms.
Pain Management: This product is used to relieve chronic pain.
Application of Cryotherapy in the Rehabilitation of Various Orthopedic Conditions

1. Closed Soft Tissue Injuries
Closed soft tissue injuries are common clinical symptoms, such as muscle strains, ligament injuries, and contusions. In the early stages of acute injuries, recognized emergency treatment methods include immobilization, cold compresses, pressure bandages, and elevation of the affected limb.
In the early stages of trauma, acute soft tissue injuries cause localized subcutaneous soft tissue tearing, bleeding, and exudation, leading to a series of clinical symptoms such as redness, fever, swelling, pain, subcutaneous bruising, and functional impairment. If not promptly addressed, these injuries can develop into chronic injuries, resulting in pain, limited joint mobility, limb movement disorders, and other discomfort, impacting daily life. Cryotherapy is a recognized treatment for sports injuries.
2. Post-Surgery Fractures
Bleeding from the periosteum and surrounding blood vessels during a fracture, as well as soft tissue damage, can cause localized swelling and severe pain. This not only increases the patient's suffering but also creates significant psychological stress, leading to anxiety, fear, insomnia, and a sense of helplessness. Cryotherapy is a commonly used treatment for orthopedic trauma or injury. Ice packs can significantly alleviate pain and reduce bleeding in the early post-operative period.
3. Post-Joint Replacement Surgery
Total knee replacement surgery is highly traumatic, often resulting in joint bleeding. This can cause swelling and pain in the limbs, particularly in the joints. This can lead to adhesions and contractures, resulting in partial loss of function. This not only increases patient suffering but also hinders recovery. Currently, cryotherapy can reduce pain, swelling, inhibit bleeding, increase joint range of motion, and improve recovery progress after joint replacement surgery.

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