CN103751902A - Wound covering device - Google Patents

Wound covering device Download PDF

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Publication number
CN103751902A
CN103751902A CN201410048923.4A CN201410048923A CN103751902A CN 103751902 A CN103751902 A CN 103751902A CN 201410048923 A CN201410048923 A CN 201410048923A CN 103751902 A CN103751902 A CN 103751902A
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China
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negative
cover plate
syringe pipe
shape structure
porous foam
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Pending
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CN201410048923.4A
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Chinese (zh)
Inventor
陶聪
左衍海
陶晓丽
其他发明人请求不公开姓名
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陶晓丽
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Priority to CN201410048923.4A priority Critical patent/CN103751902A/en
Publication of CN103751902A publication Critical patent/CN103751902A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a wound covering device used for vacuum sealing drainage. The wound covering device solves the technical problems that according to a wound covering device used for vacuum sealing drainage in the prior art, a wound cannot be observed at any time and the quantity of the wound covering devices used each time is large. According to the technical scheme, the wound covering device comprises a porous foam-shaped structure, a cover plate, a baffle, a fixing rod, a sealing air bag, a transparent bag, a first negative pressure pipe, a second negative pressure pipe, a first flushing pipe, a second flushing pipe and a porous connection device, wherein the porous foam-shaped structure is directly attached to the wound; the porous foam-shaped structure, the cover plate, the baffle, the sealing air bag, the first negative pressure pipe, the second negative pressure pipe, the first flushing pipe, the second flushing pipe and the porous connection device are fixedly assembled to form a whole; the porous foam-shaped structure is located in a movable cavity formed by the cover plate, the baffle, the transparent bag and the body surface in an enclosed mode. The wound covering device has the advantages that the wound can be observed and processed at any time without replacing the wound covering plate, and the quantity of the wound covering devices used each time is reduced.

Description

A kind of wound cover device
Technical field
The present invention relates to a kind of negative-pressure sealed drainage wound cover device.
Background technology
Doctor of medicine Fleischmann of Germany hospital of the traumatology department of Ulm university proposed the novel therapies that traditional negative pressure drainage is combined with modern closure dressing in 1993, and with its treatment open fracture wound surface, had obtained success.The same year, the Morykwas etc. of the U.S. was applied to negative-pressure sealed drainage technology zoopery first, start the basic research for negative-pressure sealed drainage technology, and guided a large amount of researchers to carry out about the discussion aspect machine-processed in rationale and treatment of negative-pressure sealed drainage technology.In American-European countries, started to be widely used in subsequently the treatment of various wound surface.1994, Qiu Fazu academician took the lead in using at Chinese Clinical, and then gradually at clinical expansion, especially, after Wenchuan violent earthquake in 2008, this technology has obtained wide application in China.And by surgeon, accepted gradually.
In at present contained bibliographical information, occur that the noun relevant with this method has: negative pressure wound surface treatment (negative pressure wound therapy, NPWT), auxiliary closed (the vacuum.assisted closure of closed negative pressure, VAC), vacuum assisted closure (vacuum sealing closure, VSC), show shallow negative pressure method (topical negative pressure, TNP), attract closed therapy (the suction wound closure therapy of wound surface, SWCT), negative-pressure sealed drainage (Vacuum sealing drainage, VSD) etc.
Mainly being formed by wound surface filling dressing, sealed plastic film, drain pipeline and depression generator etc. of Wound-surface negative pressure closed drainage device.It is mainly opaque medical sponge that the wound surface of current clinical use is filled dressing, has following deficiency: cannot observe at any time wound surface situation to formulate next step diagnosis and treatment plan in use procedure; The built-in drain pipeline of sponge mostly is back-shaped or linear, when sponge is according to causing drain pipeline to interrupt affecting drainage effect after the cutting of wound surface shape; Drain pipeline often only comprises negative-pressure drainage tube, and without syringe pipe, the probability that plugging occurs is larger; Large area wound surface often needs several piece to fill dressing, has not only greatly increased patient economy burden, and has been unfavorable for medical personnel's seal operation etc.
Summary of the invention
Technical problem to be solved by this invention is: for the wound surface that uses in prior art, fill dressing and cannot observe at any time wound surface situation, drain pipeline plugging rate is high, single usage quantity is large problem.
In order to overcome, use existing wound surface to fill dressing can not to observe and intervene wound surface situation, drain pipeline plugging rate is high, single usage quantity is large deficiency, this patent provides a kind of negative-pressure sealed drainage wound surface cladding system, apply this wound surface cladding system and can observe at any time and intervene wound surface, reduce drain pipeline plugging incidence rate, reduce single usage quantity, be convenient to sealing.
The technical scheme that the present invention takes is:
A kind of negative-pressure sealed drainage wound cover device, it is characterized in that, comprise porous foam shape structure (1), cover plate (2), baffle plate (3), fixed bar (4), pressure bladder (5), transparent capsule (6), the first negative tube (7), the second negative tube (8), the first syringe pipe (9), the second syringe pipe (10) and porous connecting device (11), described porous foam shape structure (1) directly sticks on wound, described cover plate (2) note applies at porous foam shape structure (1) upper surface, described baffle plate (3) is fixed with cover plate (2) edge, sealing back cover is in porous foam shape structure (1), described the second negative tube (8), the second syringe pipe (10) and porous connecting device (11) are placed between described cover plate (2) upper surface and described porous foam shape structure (1) lower surface, described the first negative tube (7), the first syringe pipe (9) one end is positioned between described cover plate (2) upper surface and described porous foam shape structure (1) lower surface, the other end passes described cover plate (2) upper surface, described pressure bladder (5) is placed in by described porous foam shape structure (1), cover plate (2), in the passage (13) that baffle plate (3) and body surface surround, described fixed bar (4) is fixed on the skin of porous foam shape structure (1) periphery, described transparent capsule (6) is placed between baffle plate (3) and fixed bar (4), described porous foam shape structure (1), cover plate (2), baffle plate (3), pressure bladder (5), the first negative tube (7), the second negative tube (8), the first syringe pipe (9), the second syringe pipe (10) and porous connecting device (11) assembling, fixing as a whole, described porous foam shape structure (1) is positioned at by cover plate (2), baffle plate (3), in the removable cavity that transparent capsule (6) and body surface surround,
Wherein, described cover plate (2) is provided with negative pressure hole (2-1), flushing hole (2-2) and tractive bolt (2-3), described baffle plate (3) is provided with valve hole (3-1), described pressure bladder (5) is provided with valve (5-1), described transparent capsule (6) is provided with fenestella (6-1), the tube wall of described the second negative tube (8) and the second syringe pipe (10) is provided with side opening (12), the tube wall of described porous connecting device (11) is provided with first interface (11-1), the second interface (11-2) and side opening (12).
In the present invention by the tractive bolt (2-3) on manual push-and-pull cover plate (2) surface, make porous foam shape structure (1) mobile in the removable cavity being surrounded by cover plate (2), baffle plate (3), transparent capsule (6) and body surface, reach the object that covers or expose wound.
The shape of porous foam described in the present invention structure (1) preferentially adopts medical sponge, and described cover plate (2), baffle plate (3), fixed bar (4), pressure bladder (5), transparent capsule (6), the first negative tube (7), the second negative tube (8), the first syringe pipe (9), the second syringe pipe (10) and porous connecting device (11) preferentially adopt transparent medical grade plastic.
In the present invention, the following porous connecting device (11) of preferential employing, described porous connecting device (11) is hollow oblate spheroid structure, spheroid wall is provided with side opening (2-3), the upper surface of spheroid wall is provided with first interface (11-1), the sidewall of spheroid wall is provided with second interface (11-2) of radial distribution, one end of described the second negative tube (8) and the second syringe pipe (10) is connected with second interface (11-2) of porous connecting device (11), the other end of described the second negative tube (8) and the second syringe pipe (10) is free, be radial arrangement, one end of described the first negative tube (7) and the first syringe pipe (9) passes cover plate (2) upper surface, the other end of described the first negative tube (7) and the first syringe pipe (9) is connected with the first interface (11-1) of porous connecting device (11).
Cover plate described in the present invention (2) covers porous foam shape structure (1) upper surface, the following cover plate (2) of preferential employing, the center of described cover plate (2) is provided with negative pressure hole (2-1), flushing hole (2-2), the spacing of described negative pressure hole (2-1) and flushing hole (2-2) equates with the spacing of the first negative tube (7) and the first syringe pipe (9), described the first negative tube (7) passes and sealed negative-pressure hole (2-1), described the first syringe pipe (9) passes and sealflushes hole (2-2), the upper surface of cover plate (2) is provided with the tractive bolt (2-3) of radial arrangement.
In order to make according to not affecting drain pipeline after shape of wound cutting porous foam shape structure (1), the second negative tube of the present invention (8), the second syringe pipe (10) are radial arrangement, and the tube wall of described the second negative tube (8) and the second syringe pipe (10) is provided with side opening (12).
The probability reduction of stopping up for porous foam shape structure (1) is occurred, the present invention is provided with described the first negative tube (7), the second negative tube (8), the first syringe pipe (9), the second syringe pipe (10) two circuits.
In order to make cover plate (2) be connected more firmly with porous foam shape structure (1) and to be convenient to sealing, the first negative tube described in the present invention (7) passes and sealed negative-pressure hole (2-1), and described the first syringe pipe (9) passes and sealflush hole (2-2).
Mobile in order to make cover plate (2) and porous foam shape structure (1) be convenient to sealing, the upper surface of cover plate described in the present invention (2) is provided with the tractive bolt (2-3) of radial arrangement.
In order to produce one, be convenient to sealing and the technique effect of depressurization at any time, adopt described pressure bladder (5) to realize the sealing effectiveness of porous foam shape structure (1) periphery.
A kind of negative-pressure sealed drainage of the present invention is with can be according to assemblings such as wound anatomical position, sizes in each parts use procedure of wound cover device.
In use for adaptive shape of wound better, as preferentially, the plasticity of described porous foam shape structure (1), cover plate (2), baffle plate (3), fixed bar (4), pressure bladder (5), transparent capsule (6), the first negative tube (7), the second negative tube (8), the first syringe pipe (9), the second syringe pipe (10) and porous connecting device (11) is strong.
In order to make medical personnel intervene at any time wound, described transparent capsule (6) is provided with fenestella (6-1) in use, and fenestella (6-1) is provided with switch.
Apparatus of the present invention design and fix according to the needs of wound, in use, the first syringe pipe (9) are connected with Wound irrigation device, and the first negative tube (7) is connected with negative pressure generating device.
During the capable negative-pressure sealed drainage of wound (such as sepage of sucking-off wound etc.), by valve (5-1), to pressure bladder (5), inflate, make it to expand, pass through negative pressure generating device, the first negative tube (7), the second negative tube (8), porous foam shape structure (1) is inhaled flat, wound sepage is sucked out, prove to form negative pressure of vacuum environment, in this process in order to prevent porous foam shape structure (1), the first negative tube (7), the second negative tube (8) stops up, pass through Wound irrigation device, the first syringe pipe (9), the second syringe pipe (10) is to the interior saline injection of porous foam shape structure (1).The frequency of this rinsing step can be determined according to practical situation.
While observing wound, inactive negative pressure generating device, grasp the tractive bolt (2-3) of cover plate (2) upper surface, slowly upwards mention, porous foam shape structure (1) and cover plate (2) are moved up together, between porous foam shape structure (1) and wound, formed space, seen through transparent capsule (6) and just can observe wound; As, wound situation does not also reach the requirement of expection, now only need to promote the tractive bolt (2-3) of cover plate (2) upper surface downwards, make porous foam shape structure (1) and adhesive bandage can repeat above-mentioned course of wound treatment; Wound needs to intervene, and opens the fenestella (6-1) of described transparent capsule (6), through fenestella (6-1), intervenes wound; Wound situation reaches expection requirement, i.e. dismountable apparatus of the present invention.
Negative pressure generating device of the present invention is portable electric negative pressure suction device of the prior art, and its concrete structure the present invention be not described in detail.
Wound irrigation device of the present invention is medical saline of the prior art and transfusion device, and its concrete structure the present invention be not described in detail.
Air bag aerator of the present invention is medical aseptic syringe of the prior art, and its concrete structure the present invention be not described in detail.
The present invention is compared with prior art: 1, when using wound cover device of the present invention, observe at any time wound situation, contribute to doctor to formulate in time successive treatment scheme, 2. the built-in pipeline of porous foam shape structure (1) is radial arrangement, tube wall has side opening, reduced the built-in pipeline blocking probability of porous foam shape structure (1), avoided, because plugging causes changing drainage system, having alleviated patient economy burden.3, the built-in pipeline of porous foam shape structure (1) is radial arrangement, after porous foam shape structure (1) cutting, can not impact pipe-line system, therefore this device area can be large area wound design respective model, reduce single usage quantity, reduced patient economy burden.4, in the present invention, the upper surface of porous foam shape structure (1), by cover plate for sealing, and has two cover sealing devices, facilitates medical personnel's seal operation.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present invention.
Fig. 2 is structure cutaway view of the present invention.
Fig. 3 is the schematic perspective view of drain pipeline
Wherein, 1, porous foam shape structure, 2, cover plate, 2-1, negative pressure hole, 2-2, flushing hole, 2-3, tractive bolt, 3, baffle plate, 3-1, valve hole, 4, fixed bar, 5, pressure bladder, 5-1, valve, 6, transparent capsule, 6-1, fenestella, 7, the first negative tube, 8, the second negative tube, 9, the first syringe pipe, 10, the second syringe pipe, 11, porous connecting device, 12, side opening, 13, passage.
The specific embodiment
For content of the present invention is become apparent more, below in conjunction with accompanying drawing 1-Fig. 3 and the specific embodiment, be further described.
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The present invention for embodiment in, default wound be circle.
Referring to Fig. 1 and Fig. 2, a kind of negative-pressure sealed drainage wound cover device, comprises porous foam shape structure (1), cover plate (2), baffle plate (3), fixed bar (4), pressure bladder (5), transparent capsule (6), the first negative tube (7), the second negative tube (8), the first syringe pipe (9), the second syringe pipe (10) and porous connecting device (11);
Referring to Fig. 1, the center of described cover plate (2) is provided with negative pressure hole (2-1), flushing hole (2-2), the spacing of described negative pressure hole (2-1) and flushing hole (2-2) equates with the spacing of the first negative tube (7) and the first syringe pipe (9), described the first negative tube (7) passes and sealed negative-pressure hole (2-1), described the first syringe pipe (9) passes and sealflushes hole (2-2), and the upper surface of cover plate (2) is provided with the tractive bolt (2-3) of radial arrangement;
Referring to Fig. 2, described porous foam shape structure (1) directly sticks on wound, described cover plate (2) note applies at porous foam shape structure (1) upper surface, described baffle plate (3) is fixed with cover plate (2) edge, sealing back cover is in porous foam shape structure (1), described the second negative tube (8), the second syringe pipe (10) and porous connecting device (11) are placed between described cover plate (2) upper surface and described porous foam shape structure (1) lower surface, described the first negative tube (7), the first syringe pipe (9) one end is positioned between described cover plate (2) upper surface and described porous foam shape structure (1) lower surface, the other end passes described cover plate (2) upper surface, described pressure bladder (5) is placed in by described porous foam shape structure (1), cover plate (2), in the passage (13) that baffle plate (3) and body surface surround, described fixed bar (4) is fixed on the skin of porous foam shape structure (1) periphery, described transparent capsule (6) is placed between baffle plate (3) and fixed bar (4), described porous foam shape structure (1), cover plate (2), baffle plate (3), pressure bladder (5), the first negative tube (7), the second negative tube (8), the first syringe pipe (9), the second syringe pipe (10) and porous connecting device (11) assembling, fixing as a whole, described porous foam shape structure (1) is positioned at by cover plate (2), baffle plate (3), in the removable cavity that transparent capsule (6) and body surface surround.
Referring to Fig. 3, described porous connecting device (11) is hollow ball structure, spheroid wall is provided with side opening (2-3), the upper surface of spheroid wall is provided with first interface (11-1), the sidewall of spheroid wall is provided with second interface (11-2) of radial distribution, one end of described the second negative tube (8) and the second syringe pipe (10) is connected with second interface (11-2) of porous connecting device (11), the other end of described the second negative tube (8) and the second syringe pipe (10) is free, be radial arrangement, one end of described the first negative tube (7) and the first syringe pipe (9) passes cover plate (2) upper surface, the other end of described the first negative tube (7) and the first syringe pipe (9) is connected with the first interface (11-1) of porous connecting device (11).;
Porous foam shape structure (1) is cut into the circular configuration take the first negative tube (7), the second negative tube (8) as the center of circle according to the shape of wound;
According to porous foam shape structure (1) shape, cover plate (2) is cut into the circular configuration take negative pressure hole (2-1), flushing hole (2-2) as the center of circle, area is slightly larger than porous foam shape structure (1) area;
According to cover plate (2) shape, baffle plate (3) cutting tailing edge cover plate (2) periphery is placed and sealed with cover plate (2);
By the second negative tube (8), the second syringe pipe (10) and porous connecting device (11) are placed between described cover plate (2) upper surface and described porous foam shape structure (1) lower surface, one end of described the second negative tube (8) and the second syringe pipe (10) is connected with second interface (11-2) of porous connecting device (11), the other end of described the second negative tube (8) and the second syringe pipe (10) is free, be radial arrangement, one end of described the first negative tube (7) and the first syringe pipe (9) passes cover plate (2) upper surface, the other end of described the first negative tube (7) and the first syringe pipe (9) is connected with the first interface (11-1) of porous connecting device (11), described the first negative tube (7) passes and sealed negative-pressure hole (2-1), described the first syringe pipe (9) passes and sealflushes hole (2-2).
Described pressure bladder (5) is placed in to baffle plate (3) inner side, and the valve (5-1) of described pressure bladder (5) is through the valve hole (3-1) of baffle plate (3).
By described porous foam shape structure (1), cover plate (2), baffle plate (3), pressure bladder (5), the first negative tube (7), the second negative tube (8), the first syringe pipe (9), the second syringe pipe (10) and porous connecting device (11) assembling, fixing as a whole.
Described fixed bar (4) is fixed on to porous foam shape structure (1) periphery skin, described transparent capsule (6) is connected between fixed bar (4) and baffle plate (3).
Described porous foam shape structure (1) is positioned at the removable cavity being surrounded by cover plate (2), baffle plate (3), transparent capsule (6) and body surface.
Work process of the present invention is as described below:
Apparatus of the present invention design and fix according to the needs of wound, in use, the first syringe pipe (9) are connected with Wound irrigation device, and the first negative tube (7) is connected with negative pressure generating device.
During the capable negative-pressure sealed drainage of wound (such as sepage of sucking-off wound etc.), by valve (5-1), to pressure bladder (5), inflate, make it to expand, pass through negative pressure generating device, the first negative tube (7), the second negative tube (8), porous foam shape structure (1) is inhaled flat, wound sepage is sucked out, prove to form negative pressure of vacuum environment, in this process in order to prevent porous foam shape structure (1), the first negative tube (7), the second negative tube (8) stops up, pass through Wound irrigation device, the first syringe pipe (9), the second syringe pipe (10) is to the interior saline injection of porous foam shape structure (1).The frequency of this rinsing step can be determined according to practical situation.
While observing wound, inactive negative pressure generating device, grasp the tractive bolt (2-3) of cover plate (2) upper surface, slowly upwards mention, porous foam shape structure (1) and cover plate (2) are moved up together, between porous foam shape structure (1) and wound, formed space, seen through transparent capsule (6) and just can observe wound; As, wound situation does not also reach the requirement of expection, now only need to promote the tractive bolt (2-3) of cover plate (2) upper surface downwards, make porous foam shape structure (1) and adhesive bandage can repeat above-mentioned course of wound treatment; Wound needs to intervene, and opens the fenestella (6-1) of described transparent capsule (6), through fenestella (6-1), intervenes wound; Wound situation reaches expection requirement, i.e. dismountable apparatus of the present invention.
Part that the present invention does not relate to all same as the prior art or employing prior art is realized.

Claims (5)

1. a negative-pressure sealed drainage wound cover device, it is characterized in that, comprise porous foam shape structure (1), cover plate (2), baffle plate (3), fixed bar (4), pressure bladder (5), transparent capsule (6), the first negative tube (7), the second negative tube (8), the first syringe pipe (9), the second syringe pipe (10) and porous connecting device (11), described porous foam shape structure (1) directly sticks on wound, described cover plate (2) note applies at porous foam shape structure (1) upper surface, described baffle plate (3) is fixed with cover plate (2) edge, sealing back cover is in porous foam shape structure (1), described the second negative tube (8), the second syringe pipe (10) and porous connecting device (11) are placed between described cover plate (2) upper surface and described porous foam shape structure (1) lower surface, described the first negative tube (7), the first syringe pipe (9) one end is positioned between described cover plate (2) upper surface and described porous foam shape structure (1) lower surface, the other end passes described cover plate (2) upper surface, described pressure bladder (5) is placed in by described porous foam shape structure (1), cover plate (2), in the passage (13) that baffle plate (3) and body surface surround, described fixed bar (4) is fixed on the skin of porous foam shape structure (1) periphery, described transparent capsule (6) is placed between baffle plate (3) and fixed bar (4), described porous foam shape structure (1), cover plate (2), baffle plate (3), pressure bladder (5), the first negative tube (7), the second negative tube (8), the first syringe pipe (9), the second syringe pipe (10) and porous connecting device (11) assembling, fixing as a whole, described porous foam shape structure (1) is positioned at by cover plate (2), baffle plate (3), in the removable cavity that transparent capsule (6) and body surface surround,
Wherein, described cover plate (2) is provided with negative pressure hole (2-1), flushing hole (2-2) and tractive bolt (2-3), described baffle plate (3) is provided with valve hole (3-1), described pressure bladder (5) is provided with valve (5-1), described transparent capsule (6) is provided with fenestella (6-1), the tube wall of described the second negative tube (8) and the second syringe pipe (10) is provided with side opening (12), the tube wall of described porous connecting device (11) is provided with first interface (11-1), the second interface (11-2) and side opening (12).
2. a kind of negative-pressure sealed drainage wound cover device as claimed in claim 1, it is characterized in that: described porous connecting device (11) is hollow ball structure, spheroid wall is provided with side opening (2-3), the upper surface of spheroid wall is provided with first interface (11-1), the sidewall of spheroid wall is provided with second interface (11-2) of radial distribution, one end of described the second negative tube (8) and the second syringe pipe (10) is connected with second interface (11-2) of porous connecting device (11), the other end of described the second negative tube (8) and the second syringe pipe (10) is free, be radial arrangement, one end of described the first negative tube (7) and the first syringe pipe (9) passes cover plate (2) upper surface, the other end of described the first negative tube (7) and the first syringe pipe (9) is connected with the first interface (11-1) of porous connecting device (11).
3. a kind of negative-pressure sealed drainage wound cover device as claimed in claim 1, it is characterized in that: the center of described cover plate (2) is provided with negative pressure hole (2-1), flushing hole (2-2), the spacing of described negative pressure hole (2-1) and flushing hole (2-2) equates with the spacing of the first negative tube (7) and the first syringe pipe (9), described the first negative tube (7) passes and sealed negative-pressure hole (2-1), described the first syringe pipe (9) passes and sealflushes hole (2-2), the upper surface of cover plate (2) is provided with the tractive bolt (2-3) of radial arrangement.
4. a kind of negative-pressure sealed drainage wound cover device as claimed in claim 1, is characterized in that: the valve (5-1) of described pressure bladder (5) is through the valve hole (3-1) of baffle plate (3).
5. a kind of negative-pressure sealed drainage wound cover device as claimed in claim 1, is characterized in that: the fenestella (6-1) of described transparent capsule (6) is provided with switch.
CN201410048923.4A 2014-02-12 2014-02-12 Wound covering device Pending CN103751902A (en)

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CN104127223A (en) * 2014-08-18 2014-11-05 左衍海 Universal skin stretcher
CN104146822A (en) * 2014-09-01 2014-11-19 左衍海 Wound surface covering device convenient to seal for vacuum sealing drainage
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CN104068900A (en) * 2014-07-11 2014-10-01 左衍海 Combined type skin expander
CN104127223A (en) * 2014-08-18 2014-11-05 左衍海 Universal skin stretcher
CN104146822A (en) * 2014-09-01 2014-11-19 左衍海 Wound surface covering device convenient to seal for vacuum sealing drainage
CN105877902A (en) * 2014-12-23 2016-08-24 吴有军 Treatment mask of intestinal fistula
CN110152096A (en) * 2019-05-29 2019-08-23 杭州市第一人民医院 A kind of wound/notch leakage irrigation and drainage device
CN110152096B (en) * 2019-05-29 2021-09-21 杭州市第一人民医院 Wound/incision leakage irrigation drainage device

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Application publication date: 20140430