Products Description
Negative pressure drainage surgical membrane significantly improves the management effect of complex wounds through the dual mechanism of "active drainage + barrier protection",
and is especially suitable for wounds with high exudate, high risk of infection or difficult healing.
Its clinical application has widely covered the fields of surgery, orthopedics, burns and chronic wound treatment,
and is an important supplement to traditional dressings and ordinary waterproof incise film.
System composition and basic components
The negative pressure drainage surgical membrane system usually includes the following parts:
Waterproof surgical membrane: a highly sealed transparent film that covers the wound and fixes the drainage device.
Porous dressing (such as polyurethane foam or gauze): fills or covers the wound, evenly transmits negative pressure, and absorbs exudate.
Drainage tube: embedded in the dressing and connected to the negative pressure pump.
Negative pressure pump: provides continuous or intermittent negative pressure.
Regular size with NPWT Dressing
30*30cm 30*45cm 45*60cm
Advantages of NPWT dressing
| Characteristics | NPWT Dressing | Surgical Incise Film |
| Drainage mechanism | Active negative pressure suction, continuous removal of exudate | Depends on gravity or capillary action, passive drainage |
| Wound environment | Moist, closed, controllable microenvironment | Dry or semi-open, easily contaminated |
| Healing time | Fast (promote granulation tissue formation) | Slow, easy to form scabs that hinder healing |
| Replacement frequency | Change every 3-7 days (shortened when the amount of exudate is large) | Dressing changes every day or every other day, strong pain |
Application:
Application in neurosurgery
After surgery for severe craniocerebral injury
Assist in the removal of epidural hematoma, adjust the drainage strategy by dynamically monitoring intracranial pressure, and reduce the risk of postoperative encephalocele.
Contraindications and precautions
Contraindications: active bleeding wounds, coagulation disorders, cancer ulcers, etc.
Operation points: Keep the drainage system airtight and observe the properties of the drainage fluid regularly.
Through targeted applications in different scenarios, the negative pressure drainage membrane significantly improves the treatment effect of complex wounds and reduces the risk of secondary infection.
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