Multifunctional silica gel negative-pressure drainage device and manufacturing method thereof

Multifunctional silica gel negative-pressure drainage device and manufacturing method thereof

  • CN 106,390,213 A
  • Filed: 08/29/2016
  • Published: 02/15/2017
  • Est. Priority Date: 08/29/2016
  • Status: Active Application
First Claim
Patent Images

1. a kind of multi-functional Silica hydrogel negative pressure drainage device is it is characterised in that include:

  • Dressing body and described dressing bodyThe drainage mechanism connecting and negative pressure source (9);

    Described dressing body includes polyurethane film (1), absorbed layer (2), filter layer (3) and the glue-line sequentially arranging from top to bottom(4), glue-line (4) is the layers of two-sided with passage, and the one side that described layers of two-sided is connected with filter layer (3) is medical pressure-sensingGlue, another side is the Silica hydrogel being connected with human body;

    The lower surface of polyurethane film (1) also is provided with medical pressure-sensitive adhesive, polyurethaneThe outer rim of film (1) makes absorbed layer (2) and filter layer (3) be coated on polyurethane film (1) and glue-line with the outer rim adhesion of glue-line (4)(4) between;

    The both sides of glue-line (4) be respectively equipped with first hand-held when (42) and second are hand-held (43), glue-line is provided with multiple knives on (4)Mouthful, multiple described edges of a knife dislocation are uniformly distributed, and first is hand-held when when (42) and second are hand-held, (43) are pulled open to both sides, described knifeMouth forms the infiltration area (44) with rhombus space.

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