CN103405846A

CN103405846A - Medical pad pasting negative pressure drainage device

Info

Publication number: CN103405846A
Application number: CN2013102994676A
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: 2013-07-17
Filing date: 2013-07-17
Publication date: 2013-11-27
Anticipated expiration: 2033-07-17
Also published as: CN103405846B

Abstract

The invention discloses a medical pad pasting negative pressure drainage device which is applicable to in-vivo or body-surface or large-area wound surface treatment. The medical pad pasting negative pressure drainage device comprises porous wound surface surgical dressing, an external sucking disc and a biological semi-transparent membrane which enables the porous wound surface surgical dressing to be sealed on the wound surface. The external sucking disc comprises a conversion connector, a connecting membrane and an outer drainage tube, the outer drainage tube is arranged on one side of the conversion connector, the bottom of the conversion connector is provided with a tray and a through hole, the through hole is communicated with the outer drainage tube, an opening is formed in the position, corresponding to the through hole, of the biological semi-transparent membrane, the connecting membrane is installed on the conversion connector in a sleeved mode through a sucking disc through hole, and the connecting membrane is pasted with the upper surface of the tray and the biological semi-transparent membrane. The tail end of the outer drainage tube is connected with a drainage container, a catheter and a negative pressure source, a flushing tube is arranged in the outer drainage tube, the tail end of the flushing pipe is extended out from the lateral wall of the tail end of the outer drainage tube, and a sealing cover capable of covering the flushing pipe is arranged at the tail of the flushing pipe. The medical pad pasting negative pressure drainage device is simple in structure and good in sealing performance, and the negative pressure drainage effect of the medical pad pasting negative pressure drainage device is improved.

Description

Medical pad pasting negative pressure drainage device

Technical field

The present invention relates to a kind of negative pressure drainage device, more specifically relate to and a kind ofly be applicable in body or medical pad pasting negative pressure drainage device that body surface and large tracts of land Wound treating are used.

Background technology

Negative pressure 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 negative pressure drainage device, comprise the porous foam cushion, be arranged in the drainage tube in the porous foam cushion, the drainage tube that existing medical negative pressure 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 negative pressure drainage device of said structure form exists is: because the drain inner and outer tubes are 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 porous foam cushion and human body surface have poorly sealed situation, affected the effect of negative pressure drainage.

Summary of the invention

The technical problem of solution required for the present invention is: a kind of good sealing, simple in structure and be applicable in body or medical pad pasting negative pressure drainage device that body surface and large tracts of land Wound treating are used that has is provided.

For addressing the above problem, the technical solution used in the present invention is: described medical pad pasting negative pressure drainage device, comprise the porous Wound dressing, circumscribed sucker and the porous Wound dressing can be sealed in to the biological semipermeable membrane on wound surface, the circumscribed sucker comprises junctional membrane, translation interface and drain outer tube, in translation interface one side, be provided with the drain outer tube, in the translation interface bottom, be provided with pallet, pallet is placed on biological semipermeable membrane, in tray bottom, offer through hole, and through hole communicates with the drain outer tube, on the biological semipermeable membrane relative with through hole, offer openning, the diameter of openning is greater than through-hole diameter, make the biological semipermeable membrane of openning periphery can not block through hole, at the middle part of junctional membrane, be provided with the sucker through hole, junctional membrane is sleeved on the pallet of translation interface by the sucker through hole, and the diameter of junctional membrane is greater than the diameter of pallet and openning, with tray upper surface, contact the part junctional membrane and the upper surface of pallet paste, stretching out the junctional membrane of tray portion can paste mutually with biological semipermeable membrane, thereby translation interface is sealedly connected on the porous Wound dressing, drain outer tube tail end is connected with drainage container, and drainage container is connected with negative pressure source by conduit, is provided with syringe pipe in the drain outer tube, and the syringe pipe tail end stretches out from drain outer tube tail end sidewall, and the syringe pipe afterbody has the seal cover that can cover syringe pipe.

The invention has the beneficial effects as follows: the medical pad pasting negative pressure drainage device that adopts said structure, during use, translation interface is tightly connected by junctional membrane and biological semipermeable membrane, thereby make between porous Wound dressing and wound surface to keep good sealing, can stop that extraneous harmful pathogenic bacteria enters on patient's wound face, has improved again the negative pressure drainage effect of negative pressure drainage device greatly.

The accompanying drawing explanation

Fig. 1 is the structural representation of medical pad pasting negative pressure drainage device of the present invention.

Fig. 2 is the structural representation of A direction in Fig. 1.

Fig. 3 is the structural representation of circumscribed sucker.

Fig. 4 is the structural representation of junctional membrane.

Fig. 5 is the syndeton schematic diagram of drain outer tube and syringe pipe.

Fig. 6 is the syndeton schematic diagram of drain outer tube and straight coupling.

Fig. 7 is the syndeton schematic diagram of two drain outer tubes and two pass joints.

The specific embodiment

Below in conjunction with accompanying drawing and preferred embodiment, technical solutions according to the invention are described in further detail.

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, medical pad pasting negative pressure drainage device of the present invention, comprise porous Wound dressing 2, circumscribed sucker and porous Wound dressing 2 can be sealed in to the biological semipermeable membrane 1 on wound surface, the circumscribed sucker comprises junctional membrane 8, translation interface 3 and drain outer tube 7, a side at translation interface 3 is provided with drain outer tube 7, in the bottom of translation interface 3, be provided with pallet 32, pallet 32 is placed on biological semipermeable membrane 1, in the bottom of pallet 32, offer through hole 31, and through hole 31 communicates with drain outer tube 7, on the biological semipermeable membrane 1 relative with through hole 31, offer openning, the diameter of openning is greater than the diameter of through hole 31, make the biological semipermeable membrane 1 of openning periphery can not block through hole 31, at the middle part of junctional membrane 8, be provided with sucker through hole 81, junctional membrane 8 is sleeved on the pallet 32 of translation interface 3 by sucker through hole 81, and the diameter of junctional membrane 8 is greater than the diameter of pallet 32 and openning, the junctional membrane 8 of the part that contacts with the upper surface 321 of pallet 32 is pasted mutually with the upper surface 321 of pallet 32, wherein, the junctional membrane 8 of the part that contacts with upper surface 321 is pasted and is integrated with upper surface 321 before dispatching from the factory, do not need in use again junctional membrane 8 to be pasted again on upper surface 321, stretching out the junctional membrane 8 of pallet 32 parts can paste mutually with biological semipermeable membrane 1, thereby translation interface 3 is sealedly connected on porous Wound dressing 2, in the present embodiment, junctional membrane 8 is circular biological semipermeable membrane, in actual use, the operator can be cut into required shape by junctional membrane 8 according to actual needs, in actual production, in order to facilitate depositing and transporting of this device, the cleaning of maintenance junctional membrane 8, dustless, usually on the upper surface of junctional membrane 8, paste the upper strata protecting film, on the lower surface of the junctional membrane 8 that stretches out tray portion, paste lower floor's protecting film, in use need the upper and lower layer protecting film be covered on junctional membrane 8 torn to removal, the tail end of drain outer tube 7 is connected with drainage container 4, drainage container 4 is connected with negative pressure source 6 by conduit 5, in drain outer tube 7, be provided with syringe pipe 9, syringe pipe 9 tail ends stretch out from drain outer tube 7 tail end sidewalls, and syringe pipe 9 afterbodys have the seal cover 91 that can cover syringe pipe 9.

During use, porous Wound dressing 2 is placed on wound surface, then biological semipermeable membrane 1 is covered on porous Wound dressing 2, biological semipermeable membrane 1 is sealed in porous Wound dressing 2 on human body surface, and wound surface is in the environment of a sealing, in the appropriate location of biological semipermeable membrane 1, cut off an openning, the opening of openning is larger than the diameter of through hole 31 in translation interface 3, translation interface 3 is placed on biological semipermeable membrane 1, through hole 31 is corresponding with the openning of cutting off, and the biological semipermeable membrane 1 of the openning periphery of cutting off can not block through hole 31, then tear the lower floor's protecting film on junctional membrane 8, by the upper surface 321 of junctional membrane 8 and pallet 32 with cover biological semipermeable membrane 1 on porous Wound dressing 2 and seal to paste and be in the same place, then tear the lower floor's protecting film on junctional membrane 8, finally drain outer tube 7 is connected with negative pressure source 6 with drainage container 4.Open negative pressure, negative pressure source 6 provides negative pressure for the circumscribed sucker, the liquid substance of drawing in the circumscribed sucker is gathered to drainage container 4 by straight coupling 10, can can allow gas passes through in the interior placement of conduit 5, intransitable macromolecular material of liquid, further avoided fraction to enter negative pressure source 6.After long-time use, need to rinse wound surface, during flushing, close negative pressure source 6, negative pressure device is not worked, open the seal cover 91 that is sealed on syringe pipe 9 tail ends, use syringe to draw normal saline, and by syringe pipe 9, normal saline is injected in porous Wound dressing 2, normal saline is to the diffusion inside of porous Wound dressing 2, by normal saline and oxygen delivery to wound surface, remove simultaneously dirt and impurity on wound surface, be conducive to the healing of wound site, after flushing, capping top cover labyrinth 91, open negative pressure source 6, can start again normal negative pressure drainage work.

When the wound surface area is larger, can be placed on side by side a plurality of porous Wound dressings 2 on wound surface, with biological semipermeable membrane 1, a plurality of porous Wound dressings 2 are sealed on human body, on biological semipermeable membrane, cut off according to actual needs a plurality of opennings, with the through hole 31 of the circumscribed sucker of cutting off the corresponding number of openning, be placed on respectively on each openning, and each junctional membrane is sealed on biological semipermeable membrane 1, the drain outer tube 7 of each circumscribed sucker is connected with drainage container 4 by multiple-pass joint, be illustrated in figure 7 the syndeton schematic diagram of two drain outer tubes and two pass joints 11, during work, the liquid substance attracted in the circumscribed sucker is gathered to drainage container 4 by drain outer tube 7.

Adopt the medical pad pasting negative pressure drainage device of said structure, during use, translation interface 3 is tightly connected by junctional membrane 8 and biological semipermeable membrane 1, thereby make between porous Wound dressing 2 and wound surface to keep good sealing, can stop that extraneous harmful pathogenic bacteria enters on patient's wound face, has improved again the negative pressure drainage effect of negative pressure drainage device greatly.

Claims

1. medical pad pasting negative pressure drainage device, comprise the porous Wound dressing, circumscribed sucker and the porous Wound dressing can be sealed in to the biological semipermeable membrane on wound surface, it is characterized in that: the circumscribed sucker comprises junctional membrane, translation interface and drain outer tube, in translation interface one side, be provided with the drain outer tube, in the translation interface bottom, be provided with pallet, pallet is placed on biological semipermeable membrane, in tray bottom, offer through hole, and through hole communicates with the drain outer tube, on the biological semipermeable membrane relative with through hole, offer openning, the diameter of openning is greater than through-hole diameter, make the biological semipermeable membrane of openning periphery can not block through hole, at the middle part of junctional membrane, be provided with the sucker through hole, junctional membrane is sleeved on the pallet of translation interface by the sucker through hole, and the diameter of junctional membrane is greater than the diameter of pallet and openning, with tray upper surface, contact the part junctional membrane and the upper surface of pallet paste, stretching out the junctional membrane of tray portion can paste mutually with biological semipermeable membrane, thereby translation interface is sealedly connected on the porous Wound dressing, drain outer tube tail end is connected with drainage container, and drainage container is connected with negative pressure source by conduit, is provided with syringe pipe in the drain outer tube, and the syringe pipe tail end stretches out from drain outer tube tail end sidewall, and the syringe pipe afterbody has the seal cover that can cover syringe pipe.