CN203944008U - A kind of welding block water interface structure and the negative pressure wound therapy instrument of film - Google Patents
A kind of welding block water interface structure and the negative pressure wound therapy instrument of film Download PDFInfo
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- CN203944008U CN203944008U CN201420328304.6U CN201420328304U CN203944008U CN 203944008 U CN203944008 U CN 203944008U CN 201420328304 U CN201420328304 U CN 201420328304U CN 203944008 U CN203944008 U CN 203944008U
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- Prior art keywords
- film
- welding
- negative pressure
- interface structure
- blocks water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 238000003466 welding Methods 0.000 title claims abstract description 56
- 238000009581 negative-pressure wound therapy Methods 0.000 title claims abstract description 25
- 238000002955 isolation Methods 0.000 claims abstract description 51
- 230000000903 blocking effect Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 206010052428 Wound Diseases 0.000 description 23
- 208000027418 Wounds and injury Diseases 0.000 description 23
- 239000007788 liquid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000035876 healing Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000003722 extracellular fluid Anatomy 0.000 description 2
- 102000004506 Blood Proteins Human genes 0.000 description 1
- 108010017384 Blood Proteins Proteins 0.000 description 1
- 206010021138 Hypovolaemic shock Diseases 0.000 description 1
- 108090000723 Insulin-Like Growth Factor I Proteins 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 102000013275 Somatomedins Human genes 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 210000000416 exudates and transudate Anatomy 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 206010040560 shock Diseases 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
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- Media Introduction/Drainage Providing Device (AREA)
Abstract
The interface structure that this utility model embodiment provides a kind of welding to block water film, for negative pressure wound therapy instrument, it is arranged on liquid-collecting bottle, the described interface structure that is connected with negative pressure pump by pipeline is cylinder-like structure, its inwall extends a lap welding tape splicing, for carrying out ultrasonic bonding with the film that blocks water, the film that blocks water described in making covers one end of described interface structure; The described welding band isolation strip that extended internally, described isolation strip is for contact with the described film that blocks water, and in the time that negative pressure pump is opened, and described block water to realize adsorbing between film seal.This utility model embodiment correspondingly provides a kind of negative pressure wound therapy instrument.Implement this utility model, there is the film of blocking water good water-proof effect, can reduce or the probability of leaking appears in the film that prevents from blocking water.
Description
Technical field
This utility model relates to field of medical, relates in particular to a kind of welding block water interface structure and the negative pressure wound therapy instrument of film.
Background technology
Negative pressure wound therapy (Negative Pressure Wound Therapy, NPWT) is the advanced trauma care mode that development in recent years is got up.It is mainly by applying lower negative pressure (general-55mmHg is to 175mmHg) to wound, promoting the healing of wound surface.Particularly, vacuum suction acts on cell membrane, can make it expansion, distortion, cell is just thought damage, and the information of conduction impairment, to nucleus, is changed by signal, cause the front healing of emiocytosis somatomedin, comprise the vascular proliferation factor, thereby stimulate tissue to produce more new vessels; In addition, vacuum suction siphons away transudate from wound surface, helps to set up wound surface fluid balance; And can reach a moistening environment is provided, remove slough, reduce the bacterial number (because antibacterial is difficult for survival under negative pressure) of wound surface, alleviate the effect of edema (being extracellular fluid/intercellular fluid); Secondly, in the time that captivation acts on dressing, air is sucked away, and dressing acts on wound surface uniformly with regard to collapses down compressing, and this pressure can resist the excessive of wound surface causing and ooze out.Therefore negative pressure wound therapy technology can be used for Patients with Big Area Burn, can avoid making patient lose too much plasma protein because a large amount of wound surface oozes out by this technology, reduce the probability of its generation hypovolemic shock.
Clinical showing according to the U.S. over nearly 10 years, negative pressure wound therapy has good healing effect to the treatment of wounds of various acute and chronics.As shown in Figure 1, be the structural representation of existing a kind of negative pressure wound therapy instrument.It comprises: Wound treatment apparatus 9 and wound external member 8.Wherein, wound external member 8 is for wound closure, and Wound treatment apparatus 9 is for createing needed wound negative pressure space.Specifically, negative pressure wound therapy instrument comprises the parts such as controller 7, negative pressure pump 6, liquid-collecting bottle 5, outside trachea 4, and wherein, the pressure of negative pressure pump 6 is controlled by controller 7, between the pipeline 4 being connected, is provided with liquid-collecting bottle 5 between negative pressure pump 6 and wound 1.In the time treating, at patient's wound, wound dressing 2 is filled at 1 place, outside trachea 4 is inserted in wound dressing 2, then seal with pad pasting 3 in the above, apply negative pressure by starting negative pressure pump 6 to patient's wound, dressing is covered on patient's wound, promote wound circumference blood circulation, accelerate the healing of wound.
In order to prevent that the liquid in liquid-collecting bottle 5 from entering pipeline 4 and negative pressure pump 6 inside, be conventionally provided with at liquid-collecting bottle 5 and the seam of pipeline 4 film 120 that blocks water.The partial front elevation view of the syndeton at these film 120 places that block water and profile can be specifically referring to shown in Fig. 2 and Fig. 3.Wherein, the film 120 that blocks water is that welding position is as shown in label 110 by being welded in this syndeton by the mode of ultrasonic bonding.
But, in existing this negative pressure wound therapy instrument, the suction of negative pressure pump 6 when pressure during due to ultra-sonic welded and use, the film 120 that makes to block water easily produces friction with the edges and corners of weld 110, the film 120 that can make to block water occurs damaged, thereby causes liquid to enter in outside trachea 4 and negative pressure pump 6 by this fray.
Utility model content
This utility model embodiment technical problem to be solved is, the interface structure and the negative pressure wound therapy instrument that provide a kind of welding to block water film.Its film good water-proof effect that blocks water, reduces or the probability of leaking appears in the film that prevents from blocking water.
In order to solve the problems of the technologies described above, the interface structure that this utility model embodiment provides a kind of welding to block water film, for negative pressure wound therapy instrument, it is arranged on liquid-collecting bottle, is connected with negative pressure pump by pipeline, it is characterized in that:
Described interface structure is cylinder-like structure, and its inwall extends a lap welding tape splicing, and for carrying out ultrasonic bonding with the film that blocks water, the film that blocks water described in making covers described interface structure;
The described welding band isolation strip that extended internally, described isolation strip is for contact with the described film that blocks water, and in the time that negative pressure pump is opened, and blocks water to realize adsorbing between film 300 and seal.
Wherein, described welding band has level and smooth cambered surface.
Wherein, isolation strip at least comprises a smooth inclined-plane, and in the time that negative pressure pump is opened, the marginal portion of the film 300 that blocks water is attracted on isolation strip.
Wherein, described isolation strip comprises a smooth inclined-plane and one and the obtuse-angulate plane of its shape, in the time that negative pressure pump is opened, described in the block water marginal portion of film be attracted on isolation strip, between described isolation strip and described welding band, be formed with insulating space.
Wherein, described isolation strip comprises projection and/or the depression of at least one circle cambered surface.
Wherein, described isolation strip comprises multi-turn isolated groove, and the bossing of each isolated groove is cambered surface.
Wherein, described interface structure is positioned at position below described isolation strip and is provided with multiplely for supporting the support arm of the film that blocks water, and is provided with at least one blow vent on each support arm.
Wherein, described multiple support arm is parallel to each other.
Correspondingly, another aspect of this utility model embodiment, also provides a kind of negative pressure wound therapy instrument, and it at least comprises the block water interface structure of film of aforesaid welding.
Implement this utility model embodiment, there is following beneficial effect:
First, in this utility model embodiment, welding band has level and smooth cambered surface, can, in the time welding with the film that blocks water or after welding, reduce and block water film because frictional force is by the probability of this surface abrasion;
Secondly, in this utility model embodiment, further adopt isolation strip, in the time that negative pressure starts, the block water marginal portion of film is isolated band and stops and be attracted on isolation strip, thereby can and weld the insulating space that forms sealing between band in isolation strip, even when wearing and tearing appear in some pad of being with in welding like this, this insulating space can stop liquid to enter in the pipeline being connected with negative pressure source (negative pressure pump);
And in certain embodiments, this isolation strip adopts the projection of at least one circle cambered surface and/or the form of depression, or the form of employing multi-turn isolated groove, can be in the time that negative pressure starts, form multiple seal cavity, thereby reach better block-water effect;
In addition, the position that is positioned at isolation strip downside at interface structure is provided with multiple for supporting the support arm of the film that blocks water, and on each support arm, is provided with at least one blow vent, can form the film that blocks water like this.
Brief description of the drawings
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, the accompanying drawing that obtains other according to these accompanying drawings still belongs to category of the present utility model.
Fig. 1 is the structural representation of existing a kind of negative pressure wound therapy instrument;
Fig. 2 is the partial front elevation view of the film syndeton that blocks water in Fig. 1;
Fig. 3 be in Fig. 2 A-A to the partial schematic diagram of cutaway view;
Fig. 4 is the block water structural representation of an embodiment of interface structure of film of welding that this utility model provides;
Fig. 5 is B-B in an embodiment of Fig. 4 profile partial schematic diagram to section;
Fig. 6 is the position view of the film that blocks water when negative pressure does not start in Fig. 5;
Fig. 7 is the position view of the film that blocks water after negative pressure startup in Fig. 5;
Fig. 8 is B-B in another embodiment of Fig. 4 profile partial schematic diagram to section;
Fig. 9 is the position view of the film that blocks water after negative pressure startup in Fig. 8;
Figure 10 is B-B in another embodiment of Fig. 4 profile partial schematic diagram to section;
Figure 11 is the position view of the film that blocks water after negative pressure startup in Figure 10.
Detailed description of the invention
The explanation of following embodiment is with reference to accompanying drawing, can be in order to the specific embodiment of implementing in order to formula example this utility model.The direction term that this utility model is mentioned, for example " on ", D score, 'fornt', 'back', " left side ", " right side ", " interior ", " outward ", " side " etc., be only the direction with reference to annexed drawings.Therefore, the direction term of use is in order to illustrate and to understand this utility model, but not in order to limit this utility model.
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, this utility model is described in further detail.
As shown in Figure 4, the block water interface structure of film of a kind of welding that showing this utility model embodiment provides, this welding blocks water the interface structure of film for negative pressure wound therapy instrument, wherein, negative pressure wound therapy instrument can be negative pressure wound therapy instrument as shown in Figure 1, understandable, this interface structure also can be applied in the negative pressure wound therapy instrument with connecting pipe of other types.In this embodiment, the block water interface structure 200 of film of this welding is arranged on the liquid-collecting bottle 5 of negative pressure wound therapy instrument, be connected with negative pressure pump 6 by pipeline 4, particularly:
This interface structure 200 is cylinder-like structure, and its inwall extends a lap welding tape splicing 210, and for carrying out ultrasonic bonding with the film that blocks water, and the film that makes to block water after welding covers whole interface structure one end;
In addition, 210 isolation strip 220 that extended internally are with in this welding, and this isolation strip at least comprises a circle cambered surface projection, for contacting with the film that blocks water, and in the time that negative pressure pump is opened, and block water and between film 300, realize absorption sealing.
In addition, for the film that blocks water is formed to better supporting role, the position that is positioned at isolation strip 220 downsides at interface structure 200 is provided with multiple for supporting the support arm 230 of the film that blocks water, the plurality of in the drawings support arm 23 is parallel to each other, and on each support arm, be provided with at least one blow vent 240, the effect of this blow vent 240 is mainly to make the size of the air pressure in film one side that blocks water become more even, and the situation of local damage appears in the film that can prevent from like this blocking water because negative pressure is excessive.
As shown in Figure 5, show a welding in embodiment with 210 and the concrete structure of isolation strip 220.Wherein, this 210 welding band has a level and smooth cambered surface, in the time welding with the film that blocks water or after welding, can reduce the film that blocks water because frictional force is by the probability of this surface abrasion.
Wherein, this isolation strip 220 comprises the plane of a smooth inclined-plane and one and its formation obtuse angle a, its all or part inclined-plane be with 210 lower than welding.In one embodiment, this obtuse angle a can be such as 120 degree.Please, in the lump in conjunction with shown in Fig. 6 and Fig. 7, in the time that negative pressure pump 6 is not opened, there is certain gap with isolation strip 220 in the film 300 that blocks water.In the time that negative pressure pump 6 is opened, the block water marginal portion of film 300 is isolated and is with 220 stop and be attracted on this isolation strip 220, now both are at least partly bonded to each other, thereby form at least insulating space 410 of part sealing in isolation strip 220 and between welding with 210, even if occur that with some pad of 210 under the situation of wearing and tearing, this insulating space also can stop liquid to enter in the pipeline being connected with negative pressure source (negative pressure pump) in welding like this.
Be understandable that, in other embodiment, wherein, this isolation strip 220 can only include a smooth inclined-plane, its all or part inclined-plane be with 210 lower than welding.In the time that negative pressure pump 6 is not opened, there is certain gap with isolation strip 220 in the film 300 that blocks water.In the time that negative pressure pump 6 is opened, the block water marginal portion of film 300 is isolated and is with 220 stop and be attracted on this isolation strip 220, now both are at least partly bonded to each other, even if thereby occur that with some pad of 210 under the situation of wearing and tearing, it also can stop liquid to enter in the pipeline being connected with negative pressure source (negative pressure pump) in welding.
As shown in Figure 8 and Figure 9, shown that welding in another embodiment is with 210 and the concrete structure of isolation strip 220.In this embodiment, the main distinction of the embodiment shown in itself and Fig. 5 is that the structure of isolation strip 220 is different.In this embodiment, this isolation strip 220 comprises projection and/or the depression of at least one circle cambered surface, and its position is all with 210 lower than welding.The said structure film 300 that can make to block water forms more barrier structure with the surface of isolation strip 220, and more effective reduction is because negative pressure is when lower, blocks water film 300 and isolation strip 220 surface laminatings not closely and the gap that can leak forming.
As shown in Figure 10 and Figure 11, shown that welding in another embodiment is with 210 and the concrete structure of isolation strip 220.In this embodiment, the main distinction of the embodiment shown in itself and Fig. 5 is that the structure of isolation strip 220 is different.In this embodiment, this isolation strip 220 comprises multi-turn isolated groove, and the bossing of each isolated groove is cambered surface, and the bossing of each isolated groove is basically identical with 210 height with welding.The object that multi-turn isolated groove is set is also in order to form multiple seal cavity, so that the block-water effect of the film that blocks water is better.
Correspondingly, another aspect of this utility model embodiment, also provides a kind of negative pressure wound therapy instrument, and it at least comprises the block water interface structure of film of welding shown in Fig. 4 to Figure 11.
Implement this utility model embodiment, there is following beneficial effect:
First, in this utility model embodiment, welding band has level and smooth cambered surface, can, in the time welding with the film that blocks water or after welding, reduce and block water film because frictional force is by the probability of this surface abrasion;
Secondly, in this utility model embodiment, further adopt isolation strip, in the time that negative pressure starts, the block water marginal portion of film is isolated band and stops and be attracted on isolation strip, thereby can and weld the insulating space that forms sealing between band in isolation strip, even when wearing and tearing appear in some pad of being with in welding like this, this insulating space can stop liquid to enter in the pipeline being connected with negative pressure source (negative pressure pump);
And in certain embodiments, this isolation strip adopts the projection of at least one circle cambered surface and/or the form of depression, or the form of employing multi-turn isolated groove, can be in the time that negative pressure starts, form multiple seal cavity, thereby reach better block-water effect;
In addition, the position that is positioned at isolation strip downside at interface structure is provided with multiple for supporting the support arm of the film that blocks water, and on each support arm, be provided with at least one blow vent, can form better supporting role to the film that blocks water like this, thereby there is the situation of local damage because negative pressure is excessive in the film that prevents from blocking water.
Above disclosed is only a kind of preferred embodiment of this utility model, certainly can not limit with this interest field of this utility model, and the equivalent variations of therefore doing according to this utility model claim, still belongs to the scope that this utility model is contained.
Claims (9)
1. the welding interface structure (200) of film that blocks water, for negative pressure wound therapy instrument, it is arranged on liquid-collecting bottle, is connected with negative pressure pump by pipeline, it is characterized in that:
Described interface structure (200) is cylinder-like structure, and its inwall extends a lap welding tape splicing (210), and for carrying out ultrasonic bonding with the film that blocks water (300), the film (300) that blocks water described in making covers one end of described interface structure (200);
Described welding band (210) isolation strip (220) that extended internally, described isolation strip (220) for contacting with the described film that blocks water (300), and in the time that negative pressure pump is opened, and between the described film that blocks water (300), realize absorption sealing.
2. the welding as claimed in claim 1 interface structure of film that blocks water, is characterized in that, described welding band (210) has level and smooth cambered surface.
3. the welding as claimed in claim 2 interface structure of film that blocks water, is characterized in that, described isolation strip (220) at least comprise a smooth inclined-plane, in the time that negative pressure pump is opened, described in the block water marginal portion of film (300) be attracted on isolation strip (220).
4. the welding as claimed in claim 2 interface structure of film that blocks water, it is characterized in that, described isolation strip (220) comprises a smooth inclined-plane and one and the obtuse-angulate plane of its shape, in the time that negative pressure pump is opened, it is upper that the marginal portion of the described film that blocks water (300) is attracted to isolation strip (220), between described isolation strip (220) and described welding band (210), is formed with insulating space.
5. the welding as claimed in claim 2 interface structure of film that blocks water, is characterized in that, described isolation strip (220) comprise projection and/or the depression of at least one circle cambered surface.
6. the welding as claimed in claim 2 interface structure of film that blocks water, is characterized in that, described isolation strip (220) comprise multi-turn isolated groove, and the bossing of each isolated groove is cambered surface.
7. the interface structure of film that blocks water of the welding as described in claim 2-6 any one, it is characterized in that, described interface structure (200) is positioned at position below, described isolation strip (220) and is provided with multiplely for supporting the support arm (230) of film (300) of blocking water, and is provided with at least one blow vent (240) on each support arm.
8. the welding as claimed in claim 7 interface structure of film that blocks water, is characterized in that, described multiple support arms (230) are parallel to each other.
9. a negative pressure wound therapy instrument, is characterized in that, at least comprises the block water interface structure (200) of film of welding as described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328304.6U CN203944008U (en) | 2014-06-19 | 2014-06-19 | A kind of welding block water interface structure and the negative pressure wound therapy instrument of film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328304.6U CN203944008U (en) | 2014-06-19 | 2014-06-19 | A kind of welding block water interface structure and the negative pressure wound therapy instrument of film |
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| Publication Number | Publication Date |
|---|---|
| CN203944008U true CN203944008U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420328304.6U Expired - Lifetime CN203944008U (en) | 2014-06-19 | 2014-06-19 | A kind of welding block water interface structure and the negative pressure wound therapy instrument of film |
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| Country | Link |
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| CN (1) | CN203944008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043189A (en) * | 2014-06-19 | 2014-09-17 | 昆山韦睿医疗科技有限公司 | Connector structure for welding water stopping membrane and negative pressure wound therapeutic apparatus |
-
2014
- 2014-06-19 CN CN201420328304.6U patent/CN203944008U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043189A (en) * | 2014-06-19 | 2014-09-17 | 昆山韦睿医疗科技有限公司 | Connector structure for welding water stopping membrane and negative pressure wound therapeutic apparatus |
| CN104043189B (en) * | 2014-06-19 | 2016-08-24 | 昆山韦睿医疗科技有限公司 | A kind of welding blocks water the interface structure of film and negative pressure wound therapy instrument |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141119 |