Wound filling dressing for closed negative pressure drainage of surgical wound as well as preparation method
A negative pressure drainage and closed technology, applied in wound drainage devices, dressings, viscous dressings, etc., can solve the problem of high cost of filling dressings, achieve the effects of reducing medical costs, protecting the natural environment, and increasing the smoothness
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[0029] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0030] Such as figure 1 shown.
[0031] A wound filling dressing for closed negative pressure drainage of surgical wounds, which is mainly composed of loofah tendon matrix 1, microporous fabric bottom layer 2, microporous fabric surface layer 3, semipermeable membrane 4 and suction tube 5, the loofah tendon matrix 1 The thickness can be controlled within 4 cm. It is located between the bottom layer 2 and the surface layer 3 of the microporous fabric. The bottom layer 2 and the surface layer 3 of the microporous fabric can be connected to form a bag-like structure or not connected to each other. 4 is a material that is permeable to gas but impermeable to water. Its main function is to form a closed environment on the surface of the wound, so that negative pressure can be formed through the negative pressure generator in the closed environment, thereby f...
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