CN103495259A - Double-hole type sucker negative pressure drainage device - Google Patents

Abstract

The invention provides a double-hole type sucker negative pressure drainage device which is suitable for large-area wound therapy in a human body or the body surface of the human body. The double-hole type sucker negative pressure drainage device comprises multi-hole wound dressing, an integral external sucker and a biological semipermeable membrane, wherein the integral external sucker comprises a sucker body, a sucker connecting membrane, a drainage outer pipe and a washing pipe, an attraction hole is formed in the bottom of the sucker body, a drainage channel and a washing channel are arranged inside the sucker body, and the sucker body is placed on the biological semipermeable membrane provided with a through hole; the sucker connecting membrane covers the sucker body, and a position, stretching out of the sucker body, of the sucker connecting membrane is pasted with the biological semipermeable membrane; the drainage channel is communicated with the drainage outer pipe, and the drainage pipe is connected with a drainage container and a negative pressure source; the washing channel is communicated with the washing pipe, and the tail end of the washing pipe is further provided with a sealing cover. The double-hole type sucker negative pressure drainage device has the advantages that the problem that the drainage outer pipe and the washing pipe are easily blocked is thoroughly resolved, negative drainage effects and washing effects are improved, and wound concrescence can be well promoted.

Description

Ditrysian type sucker 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 ditrysian type sucker negative pressure drainage device that body surface and large tracts of land Wound treating are used.

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 porous Wound dressing, with biological semipermeable membrane, it is sealed again, make it become an airtight space, finally drainage tube is connected to negative pressure source, carry out a kind of brand-new Therapeutic Method of wound healing by controllable negative pressure; This therapy can be accelerated the blood circulation of wound site, significantly promotes new vessels to enter wound surface, stimulates the production of granulation tissue, and fully drain, alleviate edema, reduces wound surface and pollutes, wound healing.

The sucked type negative pressure drainage device generally used at present, comprise porous Wound dressing, sucker, drain outer tube and the biological semipermeable membrane on wound surface by porous Wound dressing and suction cup sealed, be provided with syringe pipe in the drain outer tube, the syringe pipe front end extend into the drainage tube front end, its tail end stretches out from the drain outer tube wall, also is provided with the seal cover that can cover syringe pipe at the syringe pipe tail end.

The major defect that the sucked type negative pressure drainage device of said structure form exists is: the syringe pipe front end is arranged on to drain outer tube inside, syringe pipe has not only taken the effective usage space in drain outer tube pipe, and the syringe pipe mouth of pipe and drain outer tube inside communicate, this makes the pus of drawing under suction function, the materials such as tissue fluid easily stop up drain outer tube and the syringe pipe mouth of pipe, make negative pressure drainage and flushing work normally not to carry out, cause the slough and the antibacterial that are positioned at confined space to be drawn and to remove in time, wound surface possibility superinfection, this has directly affected the healing of wound surface.

Summary of the invention

The technical problem of solution required for the present invention is: provide a kind of drain outer tube and syringe pipe to be difficult for obstruction, the effective ditrysian type sucker negative pressure drainage device of negative pressure drainage.

For addressing the above problem, the technical solution used in the present invention is: described ditrysian type sucker negative pressure drainage device, comprise the porous Wound dressing, the external sucker of integral type and the porous Wound dressing can be sealed in to the biological semipermeable membrane on wound surface, the external sucker of described integral type comprises sucker, the sucker junctional membrane, drain outer tube and syringe pipe, offer and attract hole in the sucker bottom, be provided with drainage channel and irrigation channel in sucker inside, the separate setting of drainage channel and irrigation channel, and the front end of drainage channel and irrigation channel communicates with attracting hole respectively, sucker is placed on biological semipermeable membrane, offer through hole on the biological semipermeable membrane relative with attracting hole, the diameter of through hole is greater than the diameter of sucker bottom, the sealing of sucker junctional membrane covers on the sucker upper surface and with the sucker upper surface and connects as one, the diameter of sucker junctional membrane is greater than the diameter of sucker and through hole, stretching out the sucker junctional membrane of suction cup portion can paste mutually with biological semipermeable membrane, and sucker and through hole are sealed on the porous Wound dressing fully, described drainage channel is connected with the drain outer tube, and drain outer tube tail end is connected with drainage container, and drainage container is connected with negative pressure source by conduit, described irrigation channel is connected with syringe pipe, and the syringe pipe tail end also is provided with the seal cover that can cover syringe pipe.

Further, aforesaid ditrysian type sucker negative pressure drainage device wherein, is provided with and can allows gas passes through, intransitable macromolecular material of liquid in conduit, to prevent liquid substance, enters negative pressure source.

Further, aforesaid ditrysian type sucker negative pressure drainage device, wherein, stream outer tube outside tube wall and syringe pipe outside tube wall are adhesive into one, and during use, can as required drain outer tube outside tube wall be separated with syringe pipe outside tube wall.

Further, aforesaid ditrysian type sucker negative pressure drainage device, wherein, be provided with liquid drain to the first drainage trough that attracts hole in the sucker bottom.

Further, aforesaid ditrysian type sucker negative pressure drainage device, wherein, at the second drainage trough that attracts also to be provided with on the inwall of hole draining fluids.

Further, aforesaid ditrysian type sucker negative pressure drainage device, wherein, described the first drainage trough is at least three group radial conduction groove groups that are disposed radially, adjacent radial drainage trough group along the circumferential direction space arranges.

Further, aforesaid ditrysian type sucker negative pressure drainage device, wherein, also be provided with some the circumferential drainage troughs that along the circumferential direction arrange in the sucker bottom, and radial conduction groove group is interconnected with circumferential drainage trough respectively.

Further, aforesaid ditrysian type sucker negative pressure drainage device, wherein, be arranged at intervals with six groups of radial conduction groove groups at the sucker bottom even, and every group of radial conduction groove group is interconnected with the circumferential drainage trough that two spaces arrange respectively.

The invention has the beneficial effects as follows: the ditrysian type sucker negative pressure drainage device of said structure, be provided with independent drainage channel and irrigation channel in sucker, negative pressure drainage and flushing work are undertaken by passage separately, the materials such as the pus of drawing under suction function, tissue fluid only flow out from drainage channel and drain outer tube, thoroughly solved the susceptible to plugging problem of the syringe pipe mouth of pipe, syringe pipe and drain outer tube divide and are arranged, effective usage space in the drain outer tube meets uses needs, drain outer tube to be difficult for stopping up; In addition, the setting of first, second drainage trough, improved negative pressure drainage effect and the developing result of this device greatly, can better promote the healing of wound surface.

The accompanying drawing explanation

Fig. 1 is the syndeton schematic diagram of ditrysian type sucker negative pressure drainage device of the present invention.

Fig. 2 is the structural representation of the external sucker of integral type.

Fig. 3 is the structural representation that in Fig. 2, B-B analyses and observe.

Fig. 4 is the structural representation that in Fig. 3, A-A analyses and observe.

Fig. 5 is the structural representation of the external sucker of integral type bottom.

Fig. 6 is the using state figure of ditrysian type sucker negative pressure drainage device for surface wound.

Fig. 7 is the using state figure of ditrysian type sucker negative pressure drainage device for wound surface in body.

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, shown in Fig. 5, the described ditrysian type sucker of the present embodiment negative pressure drainage device, compriseporous Wound dressing 2, the external sucker of integral type 3 andporous Wound dressing 2 can be sealed in to the biological semipermeable membrane 1 on wound surface, the external sucker 3 of described integral type comprisessucker 5, suckerjunctional membrane 4, drainouter tube 6 andsyringe pipe 10, offer in the bottom ofsucker 5 and attracthole 52, be provided withdrainage channel 53 andirrigation channel 54 in the inside ofsucker 5,drainage channel 53 and the separate setting ofirrigation channel 54, and the front end ofdrainage channel 53 andirrigation channel 54 communicates with attractinghole 52 respectively,sucker 5 is placed on biological semipermeable membrane 1, offer through hole on the biological semipermeable membrane 1 relative with attractinghole 52, the diameter of through hole is greater than the diameter ofsucker 5 bottoms, suckerjunctional membrane 4 covers on the upper surface ofsucker 5 and connects as one with the upper surface ofsucker 5, the diameter of suckerjunctional membrane 4 is greater than the diameter ofsucker 5 and through hole, stretch out the suckerjunctional membrane 4 of suction cup portion and paste mutually with biological semipermeable membrane 1,sucker 5 and through hole are sealed on porous Wound dressing 1 fully, in the present embodiment, suckerjunctional membrane 4 is circular biological semipermeable membrane, in actual use, the operator can be cut into required shape by suckerjunctional membrane 4 according to actual needs, in addition, depositing and transporting for convenience of this device, the cleaning of maintenance suckerjunctional membrane 4, dustless, usually the upper surface at suckerjunctional membrane 4 pastes the upper strata protecting film, lower surface at the suckerjunctional membrane 4 that stretches out suction cup portion pastes lower floor's protecting film, in use needs the upper and lower layer protecting film be covered on suckerjunctional membrane 4 torn to removal, describeddrainage channel 53 is connected with drainouter tube 6, the tail end of drainouter tube 6 is connected withdrainage container 7,drainage container 7 is connected withnegative pressure source 9 byconduit 8, also be provided with inconduit 8 and can allow gas passes through, intransitable macromolecular material of liquid, enternegative pressure source 9 to prevent liquid substance, describedirrigation channel 54 is connected withsyringe pipe 10, and the tail end ofsyringe pipe 10 also is provided with theseal cover 11 that can coversyringe pipe 10, the outside tube wall of drainouter tube 6 and the outside tube wall ofsyringe pipe 10 are adhesive into one, and during use, can as required the outside tube wall of drainouter tube 6 be separated with the outside tube wall of syringe pipe 10.In the present embodiment, at the second drainage trough 55 that attracts also to be provided with on 52 inwalls of hole draining fluids, in the bottom ofsucker 5, also be provided with liquid drain to the first drainage trough that attractshole 52, the structure of described the first drainage trough is: be provided with six groups of radial conduction groove groups 51 that radially arrange in the bottom ofsucker 5, six groups of radial conduction groove groups 51 arrange in the circumferencial direction space, also be provided with the circumferential drainage trough 511 along the circumferential direction arranged in the bottom ofsucker 5, every group of radial conduction groove group 51 is interconnected with the circumferential drainage trough 511 that two spaces arrange respectively, radial conduction groove 51 and the second drainage trough 55 are interconnected.

The wound surface that is positioned at body surface is carried out to the negative pressure drainage treatment, shown in Figure 6, during use, firstporous Wound dressing 2 is covered on wound surface, then biological semipermeable membrane 1 is covered onporous Wound dressing 2,porous Wound dressing 2 is sealed on human body surface, makes in the environment of wound surface in a sealing; Cut off a through hole in the appropriate location of biological semipermeable membrane 1, the diameter of through hole is larger than the diameter ofsucker 5 bottoms,sucker 5 is placed on biological semipermeable membrane 1,sucker 5 bottoms are corresponding with the through hole of cutting off, and the biological semipermeable membrane 1 of the bore periphery of cutting off can not block the bottom ofsucker 5, then remove the lower floor's protecting film on suckerjunctional membrane 4, suckerjunctional membrane 4 and biological semipermeable membrane 1 are pasted,sucker 5 is sealedly connected onporous Wound dressing 2, then removes the upper strata protecting film on suckerjunctional membrane 4; Finally drainouter tube 6 is connected withnegative pressure source 9 with drainage container 7.Open negative pressure,negative pressure source 9 provides negative pressure for the external sucker 3 of integral type, and the materials such as the pus of absorption in the external sucker 3 of integral type, tissue fluid are gathered todrainage container 7; After long-time use, need to be rinsed wound surface, during flushing, closenegative pressure source 9, negative pressure device is not worked, open theseal cover 11 that is sealed onsyringe pipe 10 tail ends, normal saline is injected inporous Wound dressing 2 bysyringe pipe 10, and normal saline is to the diffusion inside ofporous Wound dressing 2, by normal saline and oxygen delivery to wound surface, remove dirt and impurity on wound surface simultaneously, be conducive to the healing of wound surface, after flushing, cappingtop cover labyrinth 11, opennegative pressure source 9, can start again normal negative pressure drainage work.

The wound surface that is positioned at body is carried out to the negative pressure drainage treatment, shown in Figure 7, firstporous Wound dressing 2 is filled in the wound surface in body,porous Wound dressing 2 is pasted on wound surface, the shape ofporous Wound dressing 2 can be carried out cutting according to the shape of wound surface in body, then biological semipermeable membrane 1 is covered onporous Wound dressing 2, make in the environment of wound surface in a sealing, cut off a through hole in the appropriate location of biological semipermeable membrane 1,sucker 5 is placed on biological semipermeable membrane 1,sucker 5 bottoms are corresponding with the through hole of cutting off, and suckerjunctional membrane 4 is sealed on biological semipermeable membrane 1, finally drainouter tube 6 is connected withnegative pressure source 9 with drainage container 7.It is the same that negative pressure drainage work and the occupation mode of rinsing work and wound surface to being positioned at body surface carry out the negative pressure drainage treatment, repeats no more.

When the wound surface area is larger, can be placed on side by side on wound surface by a plurality ofporous Wound dressings 2, or a plurality ofporous Wound dressings 2 are filled in the wound surface in body, then with biological semipermeable membrane 1, a plurality ofporous Wound dressings 2 are sealed, make in the environment of wound surface in a sealing, then cut off a plurality of through holes according to actual needs on biological semipermeable membrane 1, the position of through hole depends on the needs, to be placed on through hole with the external sucker 3 of the integral type of the corresponding number of through hole, the bottom of eachsucker 5 lays respectively on corresponding through hole, and each suckerjunctional membrane 4 is sealed on biological semipermeable membrane 1, the tail end of each drainouter tube 6 is connected withnegative pressure source 9 withdrainage container 7 by multiple-pass joint, during work, by the pus of drawing in the external sucker 3 of each integral type, the materials such as tissue fluid gather todrainage container 7 by each drain outer tube 6.It is the same that negative pressure drainage work and the occupation mode of rinsing work and wound surface to being positioned at body surface carry out the negative pressure drainage treatment, repeats no more.

The ditrysian type sucker negative pressure drainage device of said structure, be provided withindependent drainage channel 53 andirrigation channel 54 insucker 5, negative pressure drainage and flushing work are undertaken by passage separately, the materials such as the pus of drawing under suction function, tissue fluid only flow out fromdrainage channel 53 and drainouter tube 6, can not flow in flushingpipe 54, thereby thoroughly solved the susceptible to plugging problem ofsyringe pipe 10 mouth of pipe,syringe pipe 10 and drain outer tube are arranged in 6 minutes, make the effective usage space in drainouter tube 6 pipes meet the use needs, drainouter tube 6 is difficult for stopping up; In addition, the setting of first, second drainage trough, improved negative pressure drainage effect and the developing result of this device greatly, can promote better the healing of wound surface.

Claims (8)

1. ditrysian type sucker negative pressure drainage device, comprise the porous Wound dressing, the external sucker of integral type and the porous Wound dressing can be sealed in to the biological semipermeable membrane on wound surface, it is characterized in that: the external sucker of described integral type comprises sucker, the sucker junctional membrane, drain outer tube and syringe pipe, offer and attract hole in the sucker bottom, be provided with drainage channel and irrigation channel in sucker inside, the separate setting of drainage channel and irrigation channel, and the front end of drainage channel and irrigation channel communicates with attracting hole respectively, sucker is placed on biological semipermeable membrane, offer through hole on the biological semipermeable membrane relative with attracting hole, the diameter of through hole is greater than the diameter of sucker bottom, the sealing of sucker junctional membrane covers on the sucker upper surface and with the sucker upper surface and connects as one, the diameter of sucker junctional membrane is greater than the diameter of sucker and through hole, stretching out the sucker junctional membrane of suction cup portion can paste mutually with biological semipermeable membrane, and sucker and through hole are sealed on the porous Wound dressing fully, described drainage channel is connected with the drain outer tube, and drain outer tube tail end is connected with drainage container, and drainage container is connected with negative pressure source by conduit, described irrigation channel is connected with syringe pipe, and the syringe pipe tail end also is provided with the seal cover that can cover syringe pipe.

2. according to ditrysian type sucker negative pressure drainage device claimed in claim 1, it is characterized in that: be provided with in conduit and can allow gas passes through, intransitable macromolecular material of liquid, to prevent liquid substance, enter negative pressure source.

3. according to the described ditrysian type sucker of claim 1 or 2 negative pressure drainage device, it is characterized in that: drain outer tube outside tube wall and syringe pipe outside tube wall are adhesive into one, and during use, can as required drain outer tube outside tube wall be separated with syringe pipe outside tube wall.

4. according to the described ditrysian type sucker of claim 1 or 2 negative pressure drainage device, it is characterized in that: in the sucker bottom, be provided with liquid drain to the first drainage trough that attracts hole.

5. according to the described ditrysian type sucker of claim 1 or 2 negative pressure drainage device, it is characterized in that: at the second drainage trough that attracts also to be provided with on the inwall of hole draining fluids.

6. according to ditrysian type sucker negative pressure drainage device claimed in claim 4, it is characterized in that: described the first drainage trough is at least three group radial conduction groove groups that are disposed radially, and adjacent radial drainage trough group along the circumferential direction space arranges.

7. according to ditrysian type sucker negative pressure drainage device claimed in claim 6, it is characterized in that: also be provided with some the circumferential drainage troughs that along the circumferential direction arrange in the sucker bottom, radial conduction groove group is interconnected with circumferential drainage trough respectively.

8. according to ditrysian type sucker negative pressure drainage device claimed in claim 7, it is characterized in that: be arranged at intervals with six groups of radial conduction groove groups at the sucker bottom even, every group of radial conduction groove group is interconnected with the circumferential drainage trough that two spaces arrange respectively.

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