CN204543007U - A kind of scalable VSD negative pressure suction device - Google Patents
A kind of scalable VSD negative pressure suction device Download PDFInfo
- Publication number
- CN204543007U CN204543007U CN201520204588.2U CN201520204588U CN204543007U CN 204543007 U CN204543007 U CN 204543007U CN 201520204588 U CN201520204588 U CN 201520204588U CN 204543007 U CN204543007 U CN 204543007U
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- China
- Prior art keywords
- drainage tube
- negative pressure
- vsd
- suction device
- scalable
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- Expired - Fee Related
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- 230000007423 decrease Effects 0.000 claims description 2
- 206010063560 Excessive granulation tissue Diseases 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000004075 alteration Effects 0.000 abstract 1
- 210000001126 granulation tissue Anatomy 0.000 abstract 1
- 230000008467 tissue growth Effects 0.000 abstract 1
- 201000003130 ventricular septal defect Diseases 0.000 description 45
- 208000027418 Wounds and injury Diseases 0.000 description 34
- 206010052428 Wound Diseases 0.000 description 33
- 241000195474 Sargassum Species 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 208000015181 infectious disease Diseases 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 210000000481 breast Anatomy 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- -1 polyethylene ethanol Polymers 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 206010033892 Paraplegia Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010011985 Decubitus ulcer Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 208000004210 Pressure Ulcer Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000000416 exudates and transudate Anatomy 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
Landscapes
- External Artificial Organs (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
This utility model provides a kind of scalable VSD negative pressure suction device, comprises drainage tube and VSD dressing, multiple side openings that described drainage tube has outer stomidium, interior stomidium and is opened on its tube wall, and wherein, described outer stomidium connects negative pressure source; Described drainage tube is bent into continuously through multi-circle spiral flow pipe; Described VSD dressing wraps up described drainage tube and covers interior stomidium and the side opening of described drainage tube.Compared to prior art, the scalable VSD negative pressure suction device that this utility model proposes, be provided with the drainage tube in multi-circle spiral flow shape, the degree of depth of drainage tube can change, and can realize seamless coverage when being placed in the darker wound of wound, absorption efficiency is high; Simultaneously good at wound granulation tissue growth, when wound shoals, by shrinking drainage tube, according to the wound alteration of form degree of depth, can avoid repeatedly repeating negative pressure closed treating, alleviating the burden of medical personnel, reducing the misery of sufferer.
Description
Technical field
This utility model relates to technical field of medical equipment, particularly relates to a kind of scalable VSD negative pressure suction device.
Background technology
VSD refers to the inner polyethylene ethanol aquation Sargassum salt foam dressing containing drainage tube, cover or fill the wound surface of skin, soft tissue defects, close with biological semi-permeable film again, become a confined space, finally drainage tube is connected negative pressure source, carried out the Therapeutic Method of wound healing by controllable negative pressure.Polyethylene ethanol aquation Sargassum salt foam inside a large amount of through, diameter each other that gathers is the small spaces of 0.2 ~ 1.0mm, has strong capillary siphonage.
Often polyethylene ethanol aquation Sargassum salt foam dressing is carried out pruning and imbeds the flexible pipe of densely covered pore in prior art, because it has excellent elastic and toughness and stretching resistance is strong, so in use can well be attached on wound.Such as, but if wound surface is deep, pressure ulcer or orthopedic injury etc., wound may deeply reach 5 centimetres and the depth is irregular, and the treatment of VSD, with regard to having too many difficulties to cope with of becoming, is difficult to during Implant fully contact wound surface.In addition, because the nursing level of medical personnel is different, probably leaves gap between VSD dressing in operation, easily cause infection.
As from the foregoing, the existence when being applied to the treatment of darker wound of traditional VSD negative pressure suction device cannot cover whole wound surface and easily leave gap, causes the defect of infection.
Summary of the invention
This utility model is intended to design a kind of scalable VSD negative pressure suction device, cannot cover whole wound surface and the defect easily leaving gap to overcome traditional VSD negative pressure suction device when being applied to the treatment of darker wound.
The technical scheme that this utility model provides is, a kind of scalable VSD negative pressure suction device, comprises drainage tube and VSD dressing, multiple side openings that described drainage tube has outer stomidium, interior stomidium and is opened on its tube wall, and wherein, described outer stomidium connects negative pressure source; Described drainage tube is bent into continuously through multi-circle spiral flow pipe, and its screw diameter ecto-entad successively decreases successively; Described VSD dressing wraps up described drainage tube and covers interior stomidium and the side opening of described drainage tube.
Further, the difference of the screw diameter of the described serpentine pipe that any two circles are adjacent is less than the twice of described VSD dressing thickness.
Further, the pitch between the described serpentine pipe that any two circles are adjacent is less than the diameter of described drainage tube.
For the growing state according to wound adjusts in time to VSD negative pressure suction device, avoid repeatedly repeating closed treating, the spiral center place of described drainage tube is provided with push rod in the axial direction to change the degree of depth and the volume of serpentine pipe.
Further, the number of turns that the length of described push rod equals described serpentine pipe is multiplied by the diameter of described drainage tube.
In order to the position of fixing push rod, reduce the fault rate in operation, described scalable VSD negative pressure suction device also comprises location division, and described location division is arranged on outside described drainage tube.
Further, described location division is fixedly connected with described drainage tube.
Further, described push rod is provided with external screw thread, the center of described fixed part offers female thread, and described external screw thread and female thread form the screw pair cooperatively interacted.
Preferably, the degree of depth of described location division equals the diameter of described drainage tube.
For reducing the friction between drainage tube end and VSD dressing, the opening of described interior stomidium is spherical.
Compared with the VSD negative pressure suction device of prior art, scalable VSD negative pressure suction device provided by the utility model has the following advantages: because drainage tube is multi-circle spiral flow shape, when being placed in the darker wound of wound, can realize from wound bosom to the most shallow seamless coverage, attract efficiency high; Meanwhile, the degree of depth and the volume of the cone be made up of drainage tube and VSD dressing constantly can be adjusted according to the growing state of wound; A lot of paraplegia or be not suitable for is carried out making skin graft or the bed old man of operative treatment, once negative-pressure sealedly can realize follow-up continuing for a long time and attract, reduce the infection risk of patient.
Accompanying drawing explanation
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of embodiment of scalable VSD negative pressure suction device provided by the utility model;
Fig. 2 is structural representation when VSD negative pressure suction device scalable shown in Fig. 1 shrinks;
Fig. 3 is the top view of VSD negative pressure suction device scalable shown in Fig. 1.
Detailed description of the invention
For making the object of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is this utility model part embodiment, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of this utility model protection.
Shown in Fig. 1 and Fig. 3, the scalable VSD negative pressure suction device that the present embodiment provides has drainage tube 1 and VSD dressing 2.VSD dressing 2 can select PVA material or PU material according to the different situations of wound surface, preferably polyethylene ethanol aquation Sargassum salt foam dressing, to realize negative pressure balancing to be delivered to each part of wound as far as possible.Multiple side openings 3 that drainage tube 1 has outer stomidium 7, interior stomidium 6 and is opened on its tube wall, wherein the outer stomidium 7 of drainage tube 1 is connected with negative pressure source (not shown), negative pressure source provides drain power for whole system, secretions in guarantee wound and transudate can, by lasting extraction, keep wound surface to clean.Compared with traditional VSD negative pressure suction device, the drainage tube 1 in the VSD negative pressure suction device disclosed in the present embodiment is bent into continuously through multi-circle spiral flow pipe.As shown in the figure, the screw diameter ecto-entad of described multi-circle spiral flow pipe reduces gradually.VSD dressing 2 wraps up drainage tube 1 and fixing, and VSD dressing 2 covers all side openings 3 on drainage tube 1 sidewall and interior stomidium 6, and the outside that integrated VSD dressing also can be used to be set in drainage tube 1 is to cover all side openings 3 on drainage tube 1 sidewall and interior stomidium 6.Drainage tube 1 and VSD dressing 2 form the overall structure of a cone.Wherein, the differences of the diameter of the adjacent serpentine pipe of any two circle are less than the twice of VSD dressing thickness, are enough to guarantee two and enclose between serpentine pipe and there is not gap.In addition, the pitch between any two circle adjoining spiral pipes is less than the diameter of described drainage tube, and therefore VSD dressing 2 can cover the whole conical surface.
The opening part of the interior stomidium 6 of drainage tube 1 is designed to hemispherical, the friction in reducing between stomidium 6 and VSD dressing 2, causes interior stomidium 6 to expose twinge sufferer from VSD dressing 2 when preventing long-time use or patient from moving simultaneously.
See shown in Fig. 1 to Fig. 3, in the scalable VSD negative pressure suction device that the present embodiment provides, the spiral center place of described drainage tube 1 is also provided with a push rod 4 in the axial direction.One end of push rod 4 is resisted against on the sidewall of stomidium 6 in drainage tube 1, and the other end is provided with grip part 4-2.Inwardly promote grip part 4-2 along serpentine pipe axis direction or pull out grip part 4-2 to drive push rod 4 to advance or retract drainage tube 1 and change the helical angle of drainage tube 1, and then change volume and the degree of depth of whole cone, make VSD negative pressure suction device be applicable to the wound of different depth.The coiling number of turns that the length of push rod 4 preferably equals described serpentine pipe is multiplied by the diameter of described drainage tube 1, avoids the whole device of the long destruction of push rod 4 or the too short bosom that VSD dressing cannot be pushed to wound.
As depicted in figs. 1 and 2, a location division 5 is also provided with outside the serpentine pipe of drainage tube 1 outmost turns, for the position of localization handspike 4.Push rod 4 is provided with external screw thread 4-1, the center of location division 5 offers screw, is provided with the female thread 5-1 mated with external screw thread 4-1 in screw, and female thread 4-1 and external screw thread 5-1 forms screw thread pair, with the position of fixing push rod 4.The degree of depth of external screw thread location division 5 preferably equals the diameter of drainage tube 1.Such rotation grip part 4-2 can the deep distance of accurate localization handspike 4, ensures that the promotion degree of depth of each operation is less than or equal to the diameter of serpentine pipe, reduces the operation easier of medical personnel and occur the risk of maloperation.The medical material that location division 5 can have a certain degree of hardness by silica gel etc. is made, and farthest reduces the sense of discomfort of patient while realizing positioning function.Location division 5 is fixedly connected with the drainage tube of outmost turns.
The step using the scalable VSD negative pressure suction device disclosed in the present embodiment to carry out treating is as follows:
1, the slough in wound surface and foreign body is as far as possible thoroughly removed, as the toe-in etc. stayed when sewing up; 2, aseptically adjust the height of VSD negative pressure suction device, make the degree of depth between inner side serpentine pipe and outermost serpentine pipe basic consistent with the degree of depth of patient's wound; 3 guarantee that the interior stomidium of drainage tube is all wrapped within VSD dressing; 4, VSD negative pressure suction device is placed in wound surface inside, rotates grip part and make VSD dressing fully contact wound surface; 5, use the whole wound of biological permeability membrane sealed; 6, connect negative pressure source, check whether VSD dressing obviously shrinks hardening, guarantees that wound surface is in closed negative pressure environment.
After treatment a period of time, according to the growing state of wound, push rod 4 can be pulled out slightly after a few days or several weeks, reduce volume and the degree of depth of the cone be jointly made up of drainage tube and VSD dressing, to continue to attract wound surface, be even contracted to flat state as shown in Figure 2.Avoid carrying out repeatedly negative-pressure sealed, alleviate the misery of patient.According to the area of patient's wound, the caliber of outmost turns serpentine pipe and screw diameter can be designed with sizes.
The negative pressure drainage device that the present embodiment provides, because drainage tube 1 is in multi-circle spiral flow shape, during as the wound that wound is darker, can realize from wound bosom to the most shallow seamless coverage, attracts efficiency high; Meanwhile, the degree of depth and the volume of the cone be made up of drainage tube and VSD dressing constantly can be adjusted according to the growing state of wound; A lot of paraplegia or be not suitable for is carried out making skin graft or the bed old man of operative treatment, once negative-pressure sealedly can realize follow-up continuing for a long time and attract, reduce the infection risk of patient.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail this utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of this utility model.
Claims (10)
1. a scalable VSD negative pressure suction device, comprises drainage tube and VSD dressing, multiple side openings that described drainage tube has outer stomidium, interior stomidium and is opened on its tube wall, and wherein, described outer stomidium connects negative pressure source; It is characterized in that, described drainage tube is bent into continuously through multi-circle spiral flow pipe, and its screw diameter ecto-entad successively decreases successively; Described VSD dressing wraps up described drainage tube and covers interior stomidium and the side opening of described drainage tube.
2. scalable VSD negative pressure suction device according to claim 1, is characterized in that, the difference of the screw diameter of the described serpentine pipe that any two circles are adjacent is less than the twice of described VSD dressing thickness.
3. scalable VSD negative pressure suction device according to claim 2, is characterized in that, the pitch between the described serpentine pipe that any two circles are adjacent is less than the diameter of described drainage tube.
4. the scalable VSD negative pressure suction device according to any one of claims 1 to 3, is characterized in that, the spiral center place of described drainage tube is provided with push rod in the axial direction.
5. scalable VSD negative pressure suction device according to claim 4, is characterized in that, the number of turns that the length of described push rod equals described serpentine pipe is multiplied by the diameter of described drainage tube.
6. scalable VSD negative pressure suction device according to claim 5, it is characterized in that, also comprise location division, described location division is arranged on outside described drainage tube.
7. scalable VSD negative pressure suction device according to claim 6, it is characterized in that, described location division is fixedly connected with described drainage tube.
8. scalable VSD negative pressure suction device according to claim 7, is characterized in that, described push rod is provided with external screw thread, and the center of described fixed part offers female thread, and described external screw thread and female thread form the screw pair cooperatively interacted.
9. scalable VSD negative pressure suction device according to claim 8, is characterized in that, the degree of depth of described location division equals the diameter of described drainage tube.
10. scalable VSD negative pressure suction device according to claim 1, is characterized in that, the opening of described interior stomidium is spherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520204588.2U CN204543007U (en) | 2015-04-08 | 2015-04-08 | A kind of scalable VSD negative pressure suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520204588.2U CN204543007U (en) | 2015-04-08 | 2015-04-08 | A kind of scalable VSD negative pressure suction device |
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| Publication Number | Publication Date |
|---|---|
| CN204543007U true CN204543007U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520204588.2U Expired - Fee Related CN204543007U (en) | 2015-04-08 | 2015-04-08 | A kind of scalable VSD negative pressure suction device |
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| CN (1) | CN204543007U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107898103A (en) * | 2017-11-20 | 2018-04-13 | 嘉善信息技术工程学校 | A kind of electric comb |
| CN109331261A (en) * | 2018-11-27 | 2019-02-15 | 李秋 | A kind of deep negative pressure drainage flusher |
-
2015
- 2015-04-08 CN CN201520204588.2U patent/CN204543007U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107898103A (en) * | 2017-11-20 | 2018-04-13 | 嘉善信息技术工程学校 | A kind of electric comb |
| CN109331261A (en) * | 2018-11-27 | 2019-02-15 | 李秋 | A kind of deep negative pressure drainage flusher |
| CN109331261B (en) * | 2018-11-27 | 2024-05-03 | 李秋 | Deep negative pressure drainage flusher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 |
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| CF01 | Termination of patent right due to non-payment of annual fee |