CN102107029A - Medical vacuum sealing drainage device - Google Patents

Medical vacuum sealing drainage device Download PDF

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Publication number
CN102107029A
CN102107029A CN 201110069223 CN201110069223A CN102107029A CN 102107029 A CN102107029 A CN 102107029A CN 201110069223 CN201110069223 CN 201110069223 CN 201110069223 A CN201110069223 A CN 201110069223A CN 102107029 A CN102107029 A CN 102107029A
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CN
China
Prior art keywords
drainage
tube
drainage tube
negative pressure
porous foam
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Granted
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CN 201110069223
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Chinese (zh)
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CN102107029B (en
Inventor
宋九宏
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Wuhan VSD Medical Science and Technology Co Ltd
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Wuhan VSD Medical Science and Technology Co Ltd
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Priority to CN201010132585.4 priority Critical
Priority to CN201010132585A priority patent/CN101829388A/en
Application filed by Wuhan VSD Medical Science and Technology Co Ltd filed Critical Wuhan VSD Medical Science and Technology Co Ltd
Priority to CN 201110069223 priority patent/CN102107029B/en
Publication of CN102107029A publication Critical patent/CN102107029A/en
Application granted granted Critical
Publication of CN102107029B publication Critical patent/CN102107029B/en
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Abstract

The invention provides a medical vacuum sealing drainage device, which comprises a porous foam soft pad and a drainage tube which is arranged in the porous foam soft pad and of which the tail end extends out of the outer side of the porous foam soft pad, wherein an elastic sealing adhesive film extending out of a tube system is arranged on the outer side of the porous foam soft pad; a sealing opening out of which the tube system extends is formed on the elastic sealing adhesive film, and the diameter D of the opening part of the sealing opening is less than the outer diameter of a corresponding extending tube; a plurality of small holes are formed on the side wall of the drainage tube; when multiple drainage tubes are arranged, tail ends of the drainage tubes are connected with a multi-ported joint; a flushing tube is arranged in the drainage tube, one end of the flushing tube extends into the drainage tube, and the other end of the flushing tube is led out from the side wall of the tail end of the drainage tube; a sealing cover is arranged at the tail end of the flushing tube; and the sealing opening out of which the tube system extends on the elastic sealing adhesive film is a circular hole or a tubular hole, and preferably the tubular hole is in an inversed horn shape. The medical vacuum sealing drainage device solves the problems of air leakage of extending parts in the tube system of the vacuum sealing drainage device and sealing serving as the key technology in the vacuum drainage technology completely, and is convenient to operate.

Description

Medical negative pressure closed drainage device
Technical field
The present invention relates to a kind of medical negative pressure closed drainage device.It is a kind of negative-pressure sealed drainage that is applicable to that body surface tissue or body cavity lesions treatment are used.
Background technology
Negative-pressure sealed drainage technology (vacuum sealing drainage is called for short VSD) is that German ULM Wim doctor Fleischman of university initiated in 1992, and forms theoretical blank, is used for the drain of extremity wound surface; Chinese professor Qiu Huade was applied to department of general surgery with the negative-pressure sealed drainage technology first in 1994, started the beginning that the negative-pressure sealed drainage technology is used in department of general surgery, Wang Yanfeng, Qiu Huade professor in authorized patent CN 2236350 on March 17th, 1997, is first patent of negative-pressure sealed drainage technology in China.
Existing VSD technology basic configuration comprises negative pressure source (comprising central negative pressure device that medical attractor, hospital use or negative pressure drainage vessel etc.), and drainage tube, polyvinyl alcohol foam or other medical porous foam, sponge or gauze (hereinafter to be referred as the porous foam cushion), Pasting sealing film, drainage container are formed.Connect the negative pressure source drain, with liquefied material drains such as the fragment of tissue of the oozing of blood in the tissue, sepage, liquefaction and necrosis and puss to drainage container.
In the practical application, be placed on the porous foam cushion on the wound surface or the wound intracavity, the reuse sealing film tightly seals the porous foam cushion and the drainage tube port of export, makes it to be hedged off from the outer world, and connects drainage container, connects negative pressure source again, has formed a drainage system.Because the bubble of the hole in the porous foam cushion interconnects and high resilience, negative pressure can arrive the every bit in target drain district, forms an omnibearing drain.Block derivated bigger, that quality is not too hard can be cut apart with plastotype under suction function becomes graininess, enters drainage tube through the hole of porous foam cushion or the hole bubble that connects mutually, is sucked rapidly in the drainage container again; The bulk derivated that may stop up drainage tube is then stopped by the porous foam cushion, can only leave body with the porous foam cushion when removing or change drain attached to porous foam cushion surface.The quality of the sealing of sealing film is the key that the negative pressure as drain power is maintained, and also is hedged off from the outer world by the drain district simultaneously, has prevented the key of pollution and cross infection effectively.
But still there is a lot of problems in existing VSD technology: 1. sealing is inconvenient, and bad sealing was close between sealing film and drainage tube passed partly.Encapsulating method commonly used comprises: puncture method, " mesentery " method, sewing and " making dumplings " method etc.But above-mentioned encapsulating method is all very loaded down with trivial details in the operation of reality, and operation and exercise that operative doctor all needs to carry out repeatedly could be grasped.And seal insecure, the most important reason of leaking gas often, thus cause the weakening even the failure of the VSD systematic treating effect that causes because of gas leakage.2. the VSD material exsiccation of meeting hydropenia, hardening under long-time negative pressure state.3. thread a needle for external fixator or during the perineal position intubate, be difficult to sealing.
Good sealing is the key that guarantees drainage effect, also is where the shoe pinches in the whole negative-pressure sealed drainage operation.
Summary of the invention
The objective of the invention is in order to solve the unreasonable part of above-mentioned existing negative pressure closed drainage device, and a kind of good sealing effect is provided, simple in structure, easy to use, both be applicable to the drain of surface wound, be applicable to the medical negative pressure closed drainage device of making negative-pressure sealed drainage in the body cavity again.
Purpose technical scheme of the present invention: medical negative pressure closed drainage device of the present invention comprises the porous foam cushion, be arranged in the porous foam cushion, tail end stretches out the drainage tube in the porous foam cushion outside, the described porous foam cushion outside is provided with the elastic packing glued membrane that piping stretches out, the seal that has piping to stretch out on the elastic packing glued membrane, the mouth diameters D of seal is less than the external diameter of the protruded tube of correspondence.
The seal that piping stretches out on the described elastic packing glued membrane is a circular hole, and the diameter of circular hole is less than the external diameter 0.3~4mm of the protruded tube of correspondence.
The seal that piping stretches out on the described elastic packing glued membrane is a pore, and the mouth diameters of pore is less than the external diameter 0.3~2mm of the protruded tube of correspondence.
When the seal that piping stretches out on the described elastic packing glued membrane was pore, pore was an inverted tubaeform, and the mouth diameters of pore is less than the external diameter 1~2mm of the protruded tube of correspondence, and the base diameter of pore is greater than the external diameter 2~6mm of the protruded tube of correspondence.
When the seal that drainage tube stretches out on the described elastic packing glued membrane was pore, the angle a between seal and the elastic sealant membrane body was 15~90 °.
The sidewall of described drainage tube is arranged with a plurality of apertures.
Described drainage tube is that 1 or many are evenly distributed, and many adjacent two spacing is 25~35mm when arranging, and when drainage tube was many, many tail ends connected multiple-pass joints.
Described negative pressure closed drainage device is provided with syringe pipe in drainage tube, an end of described syringe pipe extends in the drainage tube, and the other end of syringe pipe is drawn from the tail end sidewall of drainage tube, and the tail end of syringe pipe has seal cover.
The present invention has following advantage:
(1) thoroughly solved the gas leakage problem of drainage tube extension, ensured the stable and success of negative pressure, captured the key technology of negative pressure drainage, result of use is better, greatly reduce the probability of VSD system generation " gas leakage ", existing leak rate and be reduced to 5% by 60%.
(2) the elastic packing glued membrane has been arranged, made this device both be applicable to the surface wound drain, be applicable to drain in the body cavity again.With the different drainage system unification of two covers of existing surface wound drain and the drain of body cavity wound surface is a covering device.
(3) no matter more convenient operation is at endoceliac wound surface or at surface wound, and the flexible sealed Cellophane of drainage tube extension makes the sealing film sealing simpler easily with the sealing of drainage tube extension; Solved that wound surface uses the VSD technology in the body cavity, complex structure, shortcoming such as doctor's workload is big.During the drain of body cavity wound surface, for sealing film provides an effective support place (carrier), avoid in operation such as window as radical mastectomy, rectal cancer Miles art, vaginal tumor radical correction, osteomyelitis lavage and drainage art, perineal position explosive injury, the drainage tube pad pasting does not have support place and has to adopt to pasting the embarrassment of method during pad pasting.Only need with sealing film be sealed in the elastic packing glued membrane around get final product, make body cavity wound surface drainage procedure simply, good sealing effect.Operator's loaded down with trivial details property and puncture method are to the injury of patient's normal body tissue when having avoided use " mesentery " method; Avoided when side is portalled drain compressing to normal surrounding tissue.
(4) when surface wound uses, the elastic packing glued membrane is except that providing the pad pasting supporting surface, also can be by increasing the area of glued membrane, make the elastic packing glued membrane cover the porous foam cushion, avoid sealing film directly to be posted on the porous foam cushion, and produce because of the moisture in the porous foam cushion volatilizees by sealing film, make possibility of porous foam cushion hardening, the hardening of porous foam cushion will make negative-pressure sealed drainage fail.
(5) many drainage tubes are connected with conduit by multiple-pass joint, the drainage tube sidewall many row's apertures have increased absorption area, the outlet of every fairlead both can be used as draining hole, can be used as the rinse mouth when plugging takes place again, drain and flushing are all very convenient.
(6) there is special-purpose syringe pipe flushing to stop up, can not produce " retrograde infection ".There is special-purpose syringe pipe also can in time dilute, soak, soften drain in the porous foam cushion, more convenient drain.Shorten the time of operation, and alleviated patient's misery, shortened the time of patient's wound healing.
Description of drawings
Fig. 1 is first kind of negative pressure closed drainage device population structure sketch map the most basic of the present invention.
Fig. 2 is second kind of negative pressure closed drainage device population structure sketch map the most basic of the present invention.
Sketch map when Fig. 3 is used in the body for Fig. 1.
Fig. 4 is the sketch map of circular hole for the seal of elastic packing glued membrane.
Fig. 5 is the sketch map of pore for the seal of elastic packing glued membrane.
Fig. 6 is the A-A sectional structure sketch map of Fig. 5.
Fig. 7 is the sketch map of the vertical pore seal of elastic packing glued membrane band.
Fig. 8 is the sketch map of two pass joint mechanisms of drainage tube structure and two drainage tubes.
Fig. 9 is for establishing 4 two drainage tubes and four-way connection structural scheme of mechanism in the porous foam cushion.
The specific embodiment
Describe embodiments of the present invention in detail below in conjunction with accompanying drawing, but they do not constitute limitation of the invention.
Fig. 1 is first kind of negative pressure closed drainage device population structure sketch map the most basic of the present invention:
Comprise porous foam cushion 1, be arranged in the porous foam cushion 1, tail end stretches out the drainage tube 2 in porous foam cushion 1 outside, described porous foam cushion 1 outside is provided with the elastic packing glued membrane 3 that piping stretches out, the seal 3a that has drainage tube 2 to stretch out on the elastic packing glued membrane 3, and seal 3a is a circular hole.
Fig. 4 is the sketch map of elastic packing glued membrane: the diameter D of closed hole 3a is less than the external diameter 0.3~4mm of the drainage tube 2 of correspondence.
Because the elasticity of elastic packing glued membrane seals closed hole 3a lock ring on drainage tube 2.During use, with sealing film 8 sealing again on elastic packing glued membrane 3 and porous foam cushion 1.The tail end of drainage tube 2 connects by conduit 4 drainage containers 5, negative pressure source 6.The tail end of described drainage tube 2 stretches out from the upside of porous foam cushion 1.
Syringe pipe 7 is set in the drainage tube 2, and an end of described syringe pipe 7 extends in the drainage tube 2, and the other end of syringe pipe 7 is drawn from the tail end sidewall of drainage tube 2, and the tail end of syringe pipe 7 has seal cover 7a.
Fig. 2 is second kind of negative pressure closed drainage device population structure sketch map the most basic of the present invention: basic structure and first kind are identical, just the seal 3a that drainage tube 2 stretches out on the elastic packing glued membrane 3 is a pore, and the mouth diameters of pore is less than the external diameter 0.3~2mm of the protruded tube of correspondence.
As Fig. 5, shown in Figure 6: the seal 3a that piping stretches out on the elastic packing glued membrane 3 is a pore shape, and pore is an inverted tubaeform, and the mouth diameters d1 of pore is less than the external diameter 0.3~2mm of drainage tube 2, and the bottom d2 diameter of pore is greater than the external diameter 2~6mm of drainage tube 2.Angle a between seal 3a and elastic packing glued membrane 3 bodies is 15~90 °, best 30~45 °.
Fig. 7 is the sketch map of the vertical pore seal of elastic packing glued membrane band: the angle a between seal 3a and elastic packing glued membrane 3 bodies is 90 °.Present embodiment is suitable for vertical piping to be used.
Fig. 8 is the sketch map of two pass joint mechanisms of drainage tube structure and two drainage tubes, and Fig. 9 is for establishing 4 two drainage tubes and four-way connection structural scheme of mechanism in the porous foam cushion:
The sidewall of described drainage tube 2 is arranged with a plurality of aperture 2a.Many drainage tubes are connected with multiple-pass joint 2b, and multiple-pass joint 2b is connected with conduit 4.Many drainage tubes are applicable to extensive wound.After a plurality of drainage tubes 2 are connected by multiple-pass joint, converge and enter a drainage container 5, simple and convenient.For using in the body, a pipe is drawn, and wound is little.
Said structure has solved sealing problem, thereby can keep stable negative-pressure sealed drainage.
When surface wound uses, as Fig. 1, Fig. 2, porous foam cushion 1 placed wound surface after establish elastic packing glued membrane 3 because drainage tube 2 stretches out the place because the elasticity of elastic packing glued membrane seals seal 3a lock ring on drainage tube 2, play sealing function.Reuse sealing film 8 covers sealing with porous foam cushion 1 and elastic packing glued membrane 3, makes porous foam cushion 1 and body surface sealing.Except that reaching sealing effectiveness, also can be by increasing the area of elastic packing glued membrane 3, make the elastic packing glued membrane cover the porous foam cushion, avoid volatilizing by sealing film because of sealing film 3 directly is posted in the moisture because of in the porous foam cushion that produces on the porous foam cushion 1, make the possibility of porous foam cushion hardening, the hardening of porous foam cushion will make the negative-pressure sealed drainage failure.
Fig. 3 is the sketch map when being used in the body:
Present embodiment adopts an end of drainage tube 2 to be positioned at porous foam cushion 1, the version that the other end of drainage tube 2 is drawn from the upper end of porous foam cushion 1.When in body cavity, using, place porous foam cushion 1 in the body cavity after, elastic packing glued membrane 3 is attached to external, for sealing film 8 provides an effective support place (carrier), makes its lock ring on drainage tube 2 by the elasticity of seal 3a, plays sealing function.Reuse sealing film 8 covers elastic packing glued membrane 3, will get final product with the body surface sealing around the elastic packing glued membrane 3.
When the aperture of drainage tube 2 stops up, negative pressure system is closed, that opens syringe pipe 7 tail ends has a seal cover 7a, connects irrigator, injects normal saline, diluted dissolving such as blood stasis piece.After stopping flushing, open negative pressure, diluted blood stasis piece etc. is drawn out of.
Chang Yong purging method now is: (1) puts a root rubber pipe in addition on wound surface, but also needs the extraction location with " mesentery method " caulking gum pipe, has increased " gas leakage " probability and the difficulty of sealing; (2) drive in the wrong direction to inject flushing liquor from former drainage tube, may with the sepage that drains from new injection wound surface, cause " retrograde infection "; (3) puncture injects flushing liquor from the porous foam cushion, and list need be pasted sealing film again at the broken hole position on the porous foam cushion, has increased the difficulty of operation.
" retrograde infection " can not take place in the convenient flushing of the present invention plugging, and can not produce syringe pipe and take the spatial situation of drainage tube.The tail end of syringe pipe 7 has seal cover 7a, and the time spent does not cover seal cover completely, guarantees drainage tube 2 operate as normal.Syringe pipe 7 can also be chemically examined drain solution as sample tap, the reference during as doctor's medication.
A plurality of drainage tubes 2 are by the multiple-pass joint connected mode, when a drainage tube stops up, can observe from catheter adapter easily, be convenient in time wash by syringe pipe, other drainage tube can continue drain, after a drainage tube obstruction can not take place, the situation of negative-pressure sealed drainage cisco unity malfunction.
In sum, core of the present invention is to utilize the elasticity of elastomeric material, and negative-pressure sealed drainage system poling position is sealed, and has solved an insurmountable for a long time gas leakage difficult problem dexterously.In a cover negative pressure closed drainage device, can use one or morely as required, size, difformity can be intersected use, and be extremely flexible.Therefore, under the prerequisite that does not change the principle of the invention, any change or the distortion done all belong to protection scope of the present invention.

Claims (11)

1. medical negative pressure closed drainage device, comprise porous foam cushion (1), be arranged in the porous foam cushion (1), tail end stretches out the drainage tube (2) in porous foam cushion (1) outside, it is characterized in that: described porous foam cushion (1) outside is provided with the elastic packing glued membrane (3) that piping stretches out, the seal (3a) that has piping to stretch out on the elastic packing glued membrane (3), the mouth diameters D of seal (3a) is less than the external diameter of the protruded tube of correspondence.
2. medical negative pressure closed drainage device according to claim 1 is characterized in that: the seal (3a) that the last piping of elastic packing glued membrane (3) stretches out is a circular hole, and the diameter of circular hole is less than the external diameter 0.3~4mm of the protruded tube of correspondence.
3. medical negative pressure closed drainage device according to claim 1 is characterized in that: the seal (3a) that the last piping of elastic packing glued membrane (3) stretches out is a pore, and the mouth diameters of pore is less than the external diameter 0.3~2mm of the protruded tube of correspondence.
4. medical negative pressure closed drainage device according to claim 3, it is characterized in that: elastic packing glued membrane (3) is gone up seal (3a) that piping stretches out when being pore, pore is an inverted tubaeform, the mouth diameters of pore is less than the external diameter 1~2mm of the protruded tube of correspondence, and the base diameter of pore is greater than the external diameter 2~6mm of the protruded tube of correspondence.
5. according to claim 1 or 3 described medical negative pressure closed drainage devices, it is characterized in that: when the seal (3a) that the last drainage tube (2) of described elastic packing glued membrane (3) stretches out was pore, the angle a between seal (3a) and elastic packing glued membrane (3) body was 15~90 °.
6. negative pressure closed drainage device according to claim 1 and 2 is characterized in that: the sidewall of described drainage tube (2) is arranged with a plurality of apertures (2a).
7. according to claim 3 or 4 described medical negative pressure closed drainage devices, it is characterized in that: the sidewall of described drainage tube (2) is arranged with a plurality of apertures (2a).
8. medical negative pressure closed drainage device according to claim 1 and 2, it is characterized in that: drainage tube (2) is that 1 or many are evenly distributed, and many when arranging, adjacent two spacing is 25~35mm, when drainage tube (2) was many, many tail ends connected multiple-pass joint (2b).
9. according to claim 3 or 4 described medical negative pressure closed drainage devices, it is characterized in that: drainage tube (2) is that 1 or many are evenly distributed, and many when arranging, adjacent two spacing is 25~35mm, when drainage tube (2) was many, many tail ends connected multiple-pass joint (2b).
10. medical negative pressure closed drainage device according to claim 1 and 2, it is characterized in that: syringe pipe (7) is set in drainage tube (2), one end of described syringe pipe (7) extends in the drainage tube (2), the other end of syringe pipe (7) is drawn from the tail end sidewall of drainage tube (2), and the tail end of syringe pipe (7) has seal cover (7a).
11. according to claim 3 or 4 described medical negative pressure closed drainage devices, it is characterized in that: syringe pipe (7) is set in drainage tube (2), one end of described syringe pipe (7) extends in the drainage tube (2), the other end of syringe pipe (7) is drawn from the tail end sidewall of drainage tube (2), and the tail end of syringe pipe (7) has seal cover (7a).
CN 201110069223 2010-03-23 2011-03-22 Medical vacuum sealing drainage device Active CN102107029B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201010132585.4 2010-03-23
CN201010132585A CN101829388A (en) 2010-03-23 2010-03-23 Negative pressure closed drainage device
CN 201110069223 CN102107029B (en) 2010-03-23 2011-03-22 Medical vacuum sealing drainage device

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Application Number Priority Date Filing Date Title
CN 201110069223 CN102107029B (en) 2010-03-23 2011-03-22 Medical vacuum sealing drainage device

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CN102107029A true CN102107029A (en) 2011-06-29
CN102107029B CN102107029B (en) 2013-01-16

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CN 201110069223 Active CN102107029B (en) 2010-03-23 2011-03-22 Medical vacuum sealing drainage device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103285496A (en) * 2013-05-22 2013-09-11 苏州爱得科技发展有限公司 Multi-point vacuum drainage device
CN103405846A (en) * 2013-07-17 2013-11-27 苏州爱得科技发展有限公司 Medical pad pasting negative pressure drainage device
CN103495259A (en) * 2013-09-18 2014-01-08 苏州爱得科技发展有限公司 Double-hole type sucker negative pressure drainage device

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG184164A1 (en) * 2010-03-23 2012-10-30 Wuhan Vsd Medical Science & Technology Co Ltd Medical vacuum sealing drainage device
CN101829388A (en) * 2010-03-23 2010-09-15 武汉维斯第医用科技有限公司 Negative pressure closed drainage device
CN102218189A (en) * 2011-06-13 2011-10-19 朱新生 Special-purposed flexible cushion for negative pressure treatment
CN103768703B (en) * 2014-01-10 2016-01-27 哈尔滨医科大学 The et al. Ke negative pressure closed drainage device that cloverleaf pattern can be extracted
CN106215258A (en) * 2016-09-30 2016-12-14 柳州市人民医院 Negative pressure drainage device

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CN101664578A (en) * 2009-09-22 2010-03-10 宋九宏 Negative pressure sealing drainage device of surface wound tissue
CN101829388A (en) * 2010-03-23 2010-09-15 武汉维斯第医用科技有限公司 Negative pressure closed drainage device
CN201719676U (en) * 2009-09-08 2011-01-26 武汉维斯第医用科技有限公司 Body surface tissue negative pressure closed drainage system

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Publication number Priority date Publication date Assignee Title
CN101227936A (en) * 2005-07-24 2008-07-23 卡尔梅利·阿达汗 Wound seal cover and stream discharging system
CN201719676U (en) * 2009-09-08 2011-01-26 武汉维斯第医用科技有限公司 Body surface tissue negative pressure closed drainage system
CN101664578A (en) * 2009-09-22 2010-03-10 宋九宏 Negative pressure sealing drainage device of surface wound tissue
CN101829388A (en) * 2010-03-23 2010-09-15 武汉维斯第医用科技有限公司 Negative pressure closed drainage device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103285496A (en) * 2013-05-22 2013-09-11 苏州爱得科技发展有限公司 Multi-point vacuum drainage device
CN103285496B (en) * 2013-05-22 2015-10-21 苏州爱得科技发展有限公司 Multi-point vacuum drainage device
CN103405846A (en) * 2013-07-17 2013-11-27 苏州爱得科技发展有限公司 Medical pad pasting negative pressure drainage device
CN103405846B (en) * 2013-07-17 2016-02-03 苏州爱得科技发展有限公司 Medical pad pasting negative pressure drainage device
CN103495259A (en) * 2013-09-18 2014-01-08 苏州爱得科技发展有限公司 Double-hole type sucker negative pressure drainage device
CN103495259B (en) * 2013-09-18 2015-12-23 苏州爱得科技发展有限公司 Double-hole type sucker negative pressure drainage device

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Address after: 430022 Wuhan, Jiefang Road, No., World Trade Plaza, office building, room 3188, room 686

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Patentee before: Wuhan VSD Medical Science & Technology Co., Ltd.