CN203303487U

CN203303487U - Medical vacuum sealing drainage device

Info

Publication number: CN203303487U
Application number: CN2013202810004U
Authority: CN
Inventors: 肖云锋
Original assignee: Suzhou And Science & Technology Development Co Ltd
Current assignee: Suzhou And Science & Technology Development Co ltd
Priority date: 2013-05-22
Filing date: 2013-05-22
Publication date: 2013-11-27
Anticipated expiration: 2023-05-22

Abstract

The utility model discloses a medical vacuum sealing drainage device used for body surface wound surface treatment. The medical vacuum sealing drainage device comprises porous wound surface dressing, and a porous drainage inner pipe arranged in the porous wound surface dressing. A switch-over connector is arranged in the middle of the drainage inner pipe, a pressing cover which covers the surface of the porous wound surface dressing is arranged on the top of the switch-over connector, the bottom of the pressing cover is integrated with the drainage inner pipe, the pressing cover is provided with an upper inserting hole communicated with the outside, and the upper inserting hole is communicated with the drainage inner pipe. A top plug of a drainage outer pipe is in the shape of a circular cone body with a toothed cutting edge, and the top plug can be inserted in the upper inserting hole in a sealed connection mode. The tail end of the drainage outer pipe is connected with a drainage container and a negative pressure source, a through hole penetrating through the top plug is further formed in the top plug of the drainage outer pipe, and a cover cap is arranged on the top plug and can cover the through hole in a sealed mode. The medical vacuum sealing drainage device completely solves the air leakage problem of the medical vacuum sealing drainage device, the vacuum drainage effect is improved, and the structure is simple.

Description

A kind of Medical vacuum sealing drainage device

Technical field

This utility model relates to a kind of Medical vacuum sealing drainage device, more specifically relates to a kind of negative pressure drainage device that the body surface Wound treating is used that is applicable to.

Background technology

Negative-pressure sealed drainage technology (being called for short VSD), refer to the wound surface that covers or fill skin, soft tissue defects with the medical foam that contains drainage tube, with biological semipermeable membrane, it is sealed again, make it become a confined space, finally drainage tube is connected to negative pressure source, by controllable negative pressure, carry out a kind of brand-new Therapeutic Method of wound healing.

Medical vacuum sealing drainage device, comprise the porous foam cushion, be arranged in the drainage tube in the porous foam cushion, the drainage tube that existing Medical vacuum sealing drainage device adopts is one, a drainage tube part is arranged in the porous foam cushion and forms the drain inner tube, a part is stretched out formation drain outer tube in the porous foam cushion, be arranged on the drain inner tube sidewall in the porous foam cushion and be distributed with a plurality of apertures, be positioned at the outer drain outer tube of porous foam cushion and be provided with syringe pipe, the syringe pipe tail end stretches out from the sidewall of drain outer tube tail end, the syringe pipe tail end also is provided with the seal cover that can cover syringe pipe, in use procedure, cover on the porous foam cushion with biological semipermeable membrane, porous foam cushion and the drain inner tube that is placed in the porous foam cushion are sealed on human body together.

The major defect that the Medical vacuum sealing drainage device of said structure form exists is: because drainage tube is an integral body, biological semipermeable membrane is by the porous foam cushion and when being placed in drain inner tube in the porous foam cushion and being sealed in together on human body surface, between drain outer tube outside the porous foam cushion, human body surface, biological semipermeable membrane three, unavoidably can there is certain gap, make drain outer tube and human body surface have poorly sealed situation, affected the effect of negative pressure drainage.

The utility model content

The technical problem of the required solution of this utility model is: a kind of good sealing, simple in structure and be applicable to the Medical vacuum sealing drainage device that the body surface Wound treating is used that has is provided.

For addressing the above problem, the technical solution adopted in the utility model is: described Medical vacuum sealing drainage device, comprise the porous Wound dressing, and be arranged in the drain inner tube in the porous Wound dressing, drain inner tube sidewall is provided with a plurality of apertures, is provided with adapter coupling at drain inner tube middle part; The adapter coupling top is provided with the gland that is covered in porous Wound dressing surface, and the bottom of gland and drain inner tube connect as one, and on gland, is provided with the upper jack communicated with the external world, and upper jack communicates with the drain inner tube; The top plug of drain outer tube is the cone shape with the dentation cutting edge, and the top plug can insert and be sealedly attached in jack; The tail end of drain outer tube is connected with drainage container, and drainage container is connected with negative pressure source by conduit, also is provided with the through hole that runs through the top plug on the plug of the top of drain outer tube, on the plug of top, also is provided with the block that can cover through hole.

Further, aforesaid a kind of Medical vacuum sealing drainage device, wherein, the drain inner tube is many when evenly distributed, the drain outer tube of corresponding radical is connected with the drain inner tube by adapter coupling with it, and the drain outer tube is connected with drainage container, negative pressure source by multiple-pass joint.

The beneficial effects of the utility model are: the Medical vacuum sealing drainage device that adopts said structure, during use, biological semipermeable membrane is by the porous Wound dressing, drain inner tube and adapter coupling are enclosed on human body surface in good condition, drain outer tube top plug only punctures the biological semipermeable membrane on the upper jack covered on adapter coupling, can't destroy and cover porous Wound dressing and upper jack biological semipermeable membrane on every side, the top plug inserts and is sealedly attached in jack, thereby make between porous Wound dressing and wound surface to keep good sealing, thoroughly solved the gas leakage problem of Medical vacuum sealing drainage device, improved the negative pressure drainage effect of medical negative pressure drainage device, in addition, on the top plug of drain outer tube, be provided with the through hole that runs through the top plug, while rinsing work, can be directly by normal saline from through hole, be injected into the drain inner tube, need to syringe pipe be set in addition in the drain outer tube, simplify the structure of drain outer tube.

The accompanying drawing explanation

Fig. 1 is the structural representation of Medical vacuum sealing drainage device described in the utility model.

Fig. 2 is the inner connecting structure schematic diagram of drain outer tube and drain inner tube.

Fig. 3 is the internal structure schematic diagram of adapter coupling.

Fig. 4 is the structural representation of drain outer tube top plug.

Fig. 5 is a structural representation that the drain outer tube is connected with straight coupling.

Fig. 6 is the structural representation that two drain outer tubes are connected with two pass joints.

The specific embodiment

Below in conjunction with accompanying drawing and preferred embodiment, technical scheme described in the utility model is described in further detail.

Fig. 3, Fig. 4, shown in Figure 5 as shown in Figure 1, Figure 2,, Medical vacuum sealing drainage device described in the utility model, comprise porous Wound dressing 2, be arranged in the drain inner tube 3 in porous Wound dressing 2, the sidewall of drain inner tube 3 is evenly equipped with a plurality of apertures 31, at the middle part of drain inner tube 3, be provided with adapter coupling 4, adapter coupling 4 tops are provided with the gland 42 that is covered in porous Wound dressing 2 surfaces, the bottom of gland 42 and drain inner tube 3 connect as one, on gland 42, be provided with the upper jack 41 communicated with the external world, upper jack 41 communicates with drain inner tube 3; The top plug 51 of drain outer tube 5 is the cone shape with the dentation cutting edge, and top plug 51 can insert and be sealedly attached in jack 41; The tail end of drain outer tube 5 can be connected with drainage container 6 by straight coupling 61, drainage container 6 is connected with negative pressure source 9 by conduit 8, on the top of drain outer tube 5 plug 51, also be provided with the through hole 53 that runs through top plug 51, on top plug 51, also be provided with the block 52 that can cover through hole 53.

While carrying out negative pressure drainage work, porous Wound dressing 2 is placed on wound surface, then biological semipermeable membrane 1 is covered on porous Wound dressing 2, and porous Wound dressing 2 and adapter coupling 4 are sealed on human body surface, wound surface is in the environment of a sealing; With block 52, cover through hole 53, again the top plug 51 of drain outer tube 5 is punctured in biological semipermeable membrane 1 on the upper jack 41 covered on adapter coupling 4, insertion in jack 41, drain outer tube 5 is connected with drain inner tube 3 by adapter coupling 4, the fraction gathered in drain inner tube 3 is gathered to drainage container 6 by drain outer tube 5, negative pressure source 9 provides negative pressure by conduit 8 for drain inner tube 3, can can allow gas passes through in the interior placement of conduit 8, intransitable macromolecular material of liquid, further avoided fraction to enter negative pressure source 9.After long-time use, dry the hardening of porous Wound dressing 2 meeting, now need to rinse, during flushing, close negative pressure source 9, negative pressure device is not worked, open the block 52 be sealed on through hole 53, use syringe to draw normal saline, and by through hole 53, normal saline is injected in drain inner tube 3, the aperture 31 of normal saline by drain inner tube 3 sidewalls is to porous Wound dressing 2 diffusion inside, remove simultaneously dirt and impurity on wound surface, be conducive to the healing of wound site, when porous Wound dressing 2 is in saturation, stop flushing work, capping upper cap 52, open negative pressure source 9, can start again normal negative pressure drainage work.

When the wound surface area is larger, can adopt the many uniform arrangements of drain inner tube 3, the drain outer tube 5 corresponding with drain inner tube 3 radicals docks with drain inner tube 3 by each adapter coupling 4 respectively, during actual the use, drain outer tube 5 can be connected with drainage container 6 by multiple-pass joint, be illustrated in figure 6 the structural representation that two drain outer tubes are connected with two pass joints 62, during work, the fraction gathered in drain inner tube 3 gathered to drainage container 6 by multiple-pass joint.

The medical negative pressure drainage device of said structure, during use, biological semipermeable membrane 1 is enclosed in porous Wound dressing 2 and adapter coupling 4 on human body surface in good condition, the top plug 51 of drain outer tube 5 only punctures the biological semipermeable membrane 1 covered on jack 41, can't destroy and cover porous Wound dressing 2 and upper jack 41 biological semipermeable membrane 1 on every side, top plug 51 inserts and is sealedly attached in jack 41, thereby make between porous Wound dressing 2 and wound surface to keep good sealing, thoroughly solved the gas leakage problem of Medical vacuum sealing drainage device, improved the negative pressure drainage effect of medical negative pressure drainage device, in addition, on the top plug 51 of drain outer tube 5, be provided with the through hole 53 that runs through top plug 51, when rinsing work, can directly normal saline be injected into drain inner tube 3 from through hole 53, need to, at the interior syringe pipe that arranges in addition of drain outer tube 5, not simplify the structure of drain outer tube 5.

Claims

1. Medical vacuum sealing drainage device, comprise the porous Wound dressing, be arranged in the drain inner tube in the porous Wound dressing, drain inner tube sidewall is provided with a plurality of apertures, it is characterized in that: at drain inner tube middle part, be provided with adapter coupling, the adapter coupling top is provided with the gland that is covered in porous Wound dressing surface, and the bottom of gland and drain inner tube connect as one, on gland, be provided with the upper jack communicated with the external world, upper jack communicates with the drain inner tube; The top plug of drain outer tube is the cone shape with the dentation cutting edge, and the top plug can insert and be sealedly attached in jack; The tail end of drain outer tube is connected with drainage container, and drainage container is connected with negative pressure source by conduit, also is provided with the through hole that runs through the top plug on the plug of the top of drain outer tube, on the plug of top, also is provided with the block that can cover through hole.

2. according to a kind of Medical vacuum sealing drainage device claimed in claim 1, it is characterized in that: the drain inner tube is many when evenly distributed, the drain outer tube of corresponding radical is connected with the drain inner tube by adapter coupling with it, and the drain outer tube is connected with drainage container, negative pressure source by multiple-pass joint.