CN209827240U - Finger/toe wound surface negative pressure drainage device - Google Patents
Finger/toe wound surface negative pressure drainage device Download PDFInfo
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- CN209827240U CN209827240U CN201920182069.9U CN201920182069U CN209827240U CN 209827240 U CN209827240 U CN 209827240U CN 201920182069 U CN201920182069 U CN 201920182069U CN 209827240 U CN209827240 U CN 209827240U
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- dressing
- negative pressure
- finger
- toe
- drainage device
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Abstract
The utility model discloses a negative pressure drainage device for the surface of a finger/toe wound, which comprises a dressing, a sucker, a semipermeable membrane and a flushing piece, wherein the dressing is of a cylindrical structure, a through groove is arranged on the cylindrical structure, the through groove is cylindrical, the through groove and the dressing are coaxial, and the diameter of the through groove is 1-2 cm; the semi-permeable membrane is coated on the outer side of the dressing; the section of the sucker is of an arch structure or a semicircular structure, the sucker is hollow, through holes are uniformly distributed in the inner concave surface of the sucker, and the outer convex surface of the sucker is used for being connected with a negative pressure device through a pipe; the sucking disc is arranged in the dressing and is coaxial with the dressing, and the inner concave surface of the sucking disc faces the through groove; through holes are uniformly distributed on one side of the flushing piece, and the other side of the flushing piece is connected with a connecting pipe which is used for being connected with a flushing liquid source; the flushing piece is arranged in the dressing and is opposite to the sucker.
Description
Technical Field
The utility model particularly relates to a negative pressure drainage device for the surface of a finger/toe wound.
Background
The closed negative pressure drainage therapy is to connect the suction device with special wound dressing to maintain the wound in negative pressure state for treatment. The pressure difference between the local part of the negative pressure effect and the surface of the surrounding tissue promotes the blood perfusion of the wound surface, the tissue pressure is reduced under the negative pressure environment, the transmural pressure of the blood vessel is increased, the expansion of the capillary vessel is caused, the opening of a capillary bed is promoted, the shape, the structure and the function of the endothelial cells of the blood vessel can be influenced by the stretching stimulation of the blood vessel wall and the increase of the blood flow speed, certain vasoactive factors are promoted to be secreted, and the capillary vessel is further expanded; the negative pressure treatment can obviously promote the growth of granulation tissues of the wound surface; wound closure inhibits bacterial reproduction, prevents cross-infection, and provides a moist and protective wound bed; the closed negative pressure drainage technology can improve the expression of certain cytokines in the tissues around the chronic wound, thereby promoting the healing of the wound surface.
The existing negative pressure suction cup has larger volume, and when the negative pressure suction cup is applied to relatively thin fingers or toes, the suction cup can press the fingers or toes in a larger range to influence the blood flow of the affected fingers/toes. Present negative pressure drainage tube and wash pipe suit mutually, and the flush fluid outflow end of wash pipe is nearer with the distance of sucking disc, and the easy negative pressure suction of flush fluid, so the unable washing that lasts of flush fluid. VSD white dressing can harden after using a period, and when the flush fluid can't continuously wash, the infiltration effect of flush fluid to white dressing is relatively poor, is unfavorable for the recovery of the surface of a wound.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems existing in the prior art, the utility model aims to provide a negative pressure drainage device for the surface of a finger/toe wound.
In order to solve the technical problem, the technical scheme of the utility model is that:
a negative pressure drainage device for a finger/toe wound surface comprises a dressing, a sucker, a semipermeable membrane and a flushing piece, wherein the dressing is of a cylindrical structure, a through groove is formed in the cylindrical structure, the through groove is cylindrical and coaxial with the dressing, and the diameter of the through groove is 1-2 cm;
the semi-permeable membrane is coated on the outer side of the dressing;
the sucking disc is of an arched structure, the inside of the sucking disc is hollow, through holes are uniformly distributed on the inner concave surface of the sucking disc, and the outer convex surface of the sucking disc is used for being connected with a negative pressure device through a pipe;
the sucking disc is arranged in the dressing and is coaxial with the dressing, and the inner concave surface of the sucking disc faces the through groove;
through holes are uniformly distributed on one side of the flushing piece, and the other side of the flushing piece is connected with a connecting pipe which is used for being connected with a flushing liquid source;
the flushing piece is arranged in the dressing and is opposite to the sucker.
The dressing is arranged into a cylindrical structure, a through groove is arranged at the central axis position of the dressing, and a patient can pass fingers/toes with wound surfaces through the through groove to fix the dressing. When the negative pressure is used for suction, the dressing with the cylindrical structure can be uniformly attached to the affected finger/toe, and the dressing with the cylindrical structure can adapt to wound surfaces at different positions, such as the outer side and the inner side of a finger, the positions between the finger and the like.
The sucking disc sets up to domes, and the logical groove of sucking disc and dressing is coaxial, and the interior concave surface of sucking disc faces logical groove, and during the negative pressure suction, the air in the dressing is taken out, and the dressing is compressed, and the interior concave surface of sucking disc can laminate mutually with sick finger/toe to alleviate the oppression of sucking disc to sick finger/toe, prevent to cause the influence to the blood circulation of sick finger/toe.
The through holes are uniformly distributed on the inner concave surface of the sucking disc, so that the dressing can be uniformly sucked under negative pressure, the deformation uniformity of the dressing is ensured, and the comfort of the wound surface is improved.
Some dressings may become rigid during use, which may affect patient comfort. Will wash the piece and set up with the sucking disc is relative, and the dressing can fully be infiltrated to the flush fluid that continuously lets in, effectively alleviates the sclerosis degree of dressing. The continuously introduced flushing fluid can timely flush the exudate of the wound surface, and corresponding medicaments can be added into the flushing fluid to help the recovery of the wound.
The diameter of the through slot is set to better accommodate the fingers/toes.
Further, the dressing is a cylindrical structure. When the cylindrical structure produces even deformation, the pellicle can be evenly pasted on the dressing for the pellicle is more level and more smooth.
Further, the dressing has a diameter of 4-6 cm. The dressing has larger thickness, can generate uniform pressure on the affected finger/toe, and improves the comfort.
Further, the width of the sucker is 1-2 cm. To be more suitable for the finger/toe.
Furthermore, the flushing part comprises a disk body and 3-6 expanding pipes, the disk body is arranged in a hollow mode, the 3-6 expanding pipes are radially distributed on the periphery of the disk body, and each expanding pipe is communicated with the interior of the disk body; through holes are formed in the disk body and the expanding pipe; the diameter of the expanding tube is increased along the direction outward from the disc body.
The flushing part comprises a disc body and an expanding pipe, and the disc body can be set to be smaller in sectional area due to the expanding pipe, so that the compression on fingers/toes is reduced. The tray body is used for providing flushing fluid for the wound surface of the affected finger/toe so as to ensure the anti-inflammation of the wound surface and the timely flushing of the effusion. The expanding tube is used for infiltrating the dressing so as to effectively relieve the hardening condition of the dressing. The expanding pipe is arranged in a structure of expanding from the disc body to the outer direction, and the part with larger diameter is far away from the fingers, so that the compression on the fingers/toes can be reduced.
Furthermore, the diameter of the through hole close to the center of the plate body on the plate body is smaller than that of the through hole far away from the center of the plate body. So as to ensure that enough flushing liquid can flow into the expanding tube through the disc body and prevent the flushing liquid from flowing out of the disc body completely and directly.
Further, the expanding tube has a flat structure. To further relieve pressure on the affected digit.
Further, the sucker is made of a soft material. Such as silica gel.
Further, the flushing member is made of a soft material. Such as silica gel.
The utility model has the advantages that:
the dressing is arranged into a cylindrical structure, a through groove is arranged at the central axis position of the dressing, and a patient can pass fingers/toes with wound surfaces through the through groove to fix the dressing. When the negative pressure is used for suction, the dressing with the cylindrical structure can be uniformly attached to the affected finger/toe, and the dressing with the cylindrical structure can adapt to wound surfaces at different positions, such as the outer side and the inner side of a finger, the positions between the finger and the like.
The section of the sucker is of an arch structure or a semicircular structure, the sucker is coaxial with the through groove of the dressing, the inner concave surface of the sucker faces the through groove, air in the dressing is pumped out during negative pressure suction, the dressing is compressed, and the inner concave surface of the sucker can be attached to a finger/toe suffering from the disease, so that the compression of the sucker on the finger/toe suffering from the disease is relieved, and the influence on the blood circulation of the finger/toe suffering from the disease is prevented.
The through holes are uniformly distributed on the inner concave surface of the sucking disc, so that the dressing can be uniformly sucked under negative pressure, the deformation uniformity of the dressing is ensured, and the comfort of the wound surface is improved.
Some dressings may become rigid during use, which may affect patient comfort. Will wash the piece and set up with the sucking disc is relative, and the dressing can fully be infiltrated to the flush fluid that continuously lets in, effectively alleviates the sclerosis degree of dressing. The continuously introduced flushing fluid can timely flush the exudate of the wound surface, and corresponding medicaments can be added into the flushing fluid to help the recovery of the wound.
The diameter of the through slot is set to better accommodate the fingers/toes.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic structural view of a cross-sectional view of an embodiment of the present invention;
fig. 2 is a schematic view of a dressing according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a suction cup according to an embodiment of the present invention;
fig. 4 is a schematic view of the overall structure of the suction cup according to the embodiment of the present invention;
fig. 5 is a schematic view of a flushing surface structure of the flushing member according to an embodiment of the present invention.
The device comprises a sucker 1, a dressing 2, a semipermeable membrane 3, a flushing part 4, a through hole 5, a pipe 6, a pipe 7, a disk body 8 and an expanding pipe.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1, the negative pressure drainage device for the wound surface of a finger/toe comprises a dressing 2, a sucker 1, a semi-permeable membrane 3 and a flushing part 4, wherein the dressing 2 is of a cylindrical structure, a through groove is formed in the cylindrical structure, the through groove is cylindrical, the through groove and the dressing are coaxial, and the diameter of the through groove is 1-2 cm; the semi-permeable membrane 3 is coated on the outer side of the dressing 2. As shown in fig. 3 and 4, the suction cup 1 is of an arch structure, the suction cup 1 is hollow, through holes are uniformly distributed on the inner concave surface of the suction cup 1, and the outer convex surface of the suction cup 1 is used for being connected with a negative pressure device through a pipe; the sucker 1 is arranged in the dressing 2 and is coaxial with the dressing 2, and the inner concave surface of the sucker 1 faces the through groove;
through holes are uniformly distributed on one side of the flushing piece, and the other side of the flushing piece is connected with a connecting pipe which is used for being connected with a flushing liquid source; the flushing member 4 is arranged in the dressing 2 and is arranged opposite to the suction cup 1.
The dressing is arranged into a cylindrical structure, a through groove is arranged at the central axis position of the dressing, and a patient can pass fingers/toes with wound surfaces through the through groove to fix the dressing. When the negative pressure is used for suction, the dressing with the cylindrical structure can be uniformly attached to the affected finger/toe, and the dressing with the cylindrical structure can adapt to wound surfaces at different positions, such as the outer side and the inner side of a finger, the positions between the finger and the like.
The sucking disc sets up to domes, and the logical groove of sucking disc and dressing is coaxial, and the interior concave surface of sucking disc faces logical groove, and during the negative pressure suction, the air in the dressing is taken out, and the dressing is compressed, and the interior concave surface of sucking disc can laminate mutually with sick finger/toe to alleviate the oppression of sucking disc to sick finger/toe, prevent to cause the influence to the blood circulation of sick finger/toe.
The through holes are uniformly distributed on the inner concave surface of the sucking disc, so that the dressing can be uniformly sucked under negative pressure, the deformation uniformity of the dressing is ensured, and the comfort of the wound surface is improved. Some dressings may become rigid during use, which may affect patient comfort. Will wash a relative setting with the sucking disc, wash the flush fluid that a lets in and move towards the sucking disc direction under the negative pressure drainage effect of sucking disc, can fully soak the dressing, effectively alleviate the sclerosis degree of dressing to in time wash the effusion of the surface of a wound totally, can also add corresponding medicament in the flush fluid moreover, in order to help the recovery of wound. The diameter of the through slot is set to better accommodate the fingers/toes.
As shown in figures 1 and 2, the dressing is of a quadrangular prism structure, the cross section of the quadrangular prism is square, and the side length of the square is 4-6 cm. The square shape is used for ensuring that the thickness of each part of the dressing is equal so as to ensure that the pressure of the dressing on the finger/toe is uniform.
The width of the suction cup is 1-2cm and the depth is shallow, for example, the depth is about 0.5 cm. To be more suitable for the finger/toe. To further relieve the pressure of the suction cup on the affected finger/toe, the suction cup may be arranged on the outer surface layer of the dressing, remote from the through slot. In this case, the dressing layer between the suction cup and the affected finger/toe is thick, and has a good cushioning effect.
The dressing may also be of cylindrical configuration. When the cylindrical structure produces even deformation, the pellicle can be evenly pasted on the dressing for the pellicle is more level and more smooth. The diameter of the cylindrical dressing is 4-6 cm. The dressing has larger thickness, can generate uniform pressure on the affected finger/toe, and improves the comfort.
As shown in fig. 5, the flushing part 4 comprises a disk body 7 and 3-6 expanding pipes 8, the disk body 7 is hollow, the 3-6 expanding pipes 8 are radially distributed around the disk body 7, and each expanding pipe 8 is communicated with the inside of the disk body 7; through holes are formed in the disc body 7 and the expanding pipe 8; the diameter of the expanding tube 8 increases in the direction outward from the disk body 7. Specifically, as shown in fig. 5, the number of the expanding tubes 8 is 4, and four expanding tubes 8 are uniformly arranged in the circumferential direction of the disk body 7. The dressing is easy to wet without dead angles. The number of expanding tubes may also be 3, 5 or 6.
The flushing part comprises a disc body and an expanding pipe, and the disc body can be set to be smaller in sectional area due to the expanding pipe, so that the compression on fingers/toes is reduced. The tray body is used for providing flushing fluid for the wound surface of the affected finger/toe so as to ensure the anti-inflammation of the wound surface and the timely flushing of the effusion. The expanding tube is used for infiltrating the dressing so as to effectively relieve the hardening condition of the dressing. The expanding pipe is arranged in a structure of expanding from the disc body to the outer direction, and the part with larger diameter is far away from the fingers, so that the compression on the fingers/toes can be reduced. When the number of the diameter-expanding tubes is large, the affected fingers/toes are easily pressed, and blood flow is easily affected. To further alleviate compression of the irrigant on the affected finger/toe, the irrigant may be provided on the outer surface layer of the dressing, remote from the through-channel. In this case, the dressing layer between the irrigation member and the affected finger/toe is thick, and has a good cushioning effect.
The diameter of the through hole close to the center of the plate body on the plate body is smaller than that of the through hole far away from the center of the plate body. The through holes on the disk body can be arranged in concentric circles, and the number of the through holes close to the center of the disk body is less than that of the through holes far away from the center of the disk body. So as to ensure that enough flushing liquid can flow into the expanding tube through the disc body and prevent the flushing liquid from flowing out of the disc body completely and directly.
The expanding tube can also be arranged into a flat structure, and the maximum width of the flat structure is 2-3 mm. To further relieve pressure on the affected digit. The number of the through holes on the expanding tube can also be set to be larger than that close to the disk body, so that flushing fluid can flow to the tail end of the expanding tube and flow into the dressing through the tail end of the expanding tube, and the dressing is well infiltrated.
The sucker is made of soft materials. Such as silica gel. The flushing member is made of soft material, such as silica gel.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. The utility model provides a finger/toe surface of a wound negative pressure drainage device which characterized in that: the disposable dressing is of a cylindrical structure, a through groove is formed in the cylindrical structure, the through groove is cylindrical and coaxial with the dressing, and the diameter of the through groove is 1-2 cm;
the semi-permeable membrane is coated on the outer side of the dressing;
the sucking disc is of an arched structure, the inside of the sucking disc is hollow, through holes are uniformly distributed on the inner concave surface of the sucking disc, and the outer convex surface of the sucking disc is used for being connected with a negative pressure device through a pipe;
the sucking disc is arranged in the dressing and is coaxial with the dressing, and the inner concave surface of the sucking disc faces the through groove;
through holes are uniformly distributed on one side of the flushing piece, and the other side of the flushing piece is connected with a connecting pipe which is used for being connected with a flushing liquid source;
the flushing piece is arranged in the dressing and is opposite to the sucker.
2. The finger/toe wound negative pressure drainage device of claim 1, wherein: the dressing is a cylindrical structure.
3. The finger/toe wound negative pressure drainage device of claim 2, wherein: the diameter of the dressing is 4-6 cm.
4. The finger/toe wound negative pressure drainage device of claim 1, wherein: the width of the sucker is 1-2 cm.
5. The finger/toe wound negative pressure drainage device of claim 1, wherein: the flushing part comprises a disk body and 3-6 expanding pipes, the disk body is arranged in a hollow mode, the 3-6 expanding pipes are radially distributed on the periphery of the disk body, and each expanding pipe is communicated with the interior of the disk body; through holes are formed in the disk body and the expanding pipe; the diameter of the expanding tube is increased along the direction outward from the disc body.
6. The finger/toe wound negative pressure drainage device of claim 5, wherein: the diameter of the through hole close to the center of the plate body on the plate body is smaller than that of the through hole far away from the center of the plate body.
7. The finger/toe wound negative pressure drainage device of claim 5, wherein: the expanding tube is of a flat structure.
8. The finger/toe wound negative pressure drainage device of claim 1, wherein: the sucker is made of soft materials.
9. The finger/toe wound negative pressure drainage device of claim 1, wherein: the flushing member is made of a soft material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920182069.9U CN209827240U (en) | 2019-02-01 | 2019-02-01 | Finger/toe wound surface negative pressure drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920182069.9U CN209827240U (en) | 2019-02-01 | 2019-02-01 | Finger/toe wound surface negative pressure drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209827240U true CN209827240U (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920182069.9U Active CN209827240U (en) | 2019-02-01 | 2019-02-01 | Finger/toe wound surface negative pressure drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209827240U (en) |
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2019
- 2019-02-01 CN CN201920182069.9U patent/CN209827240U/en active Active
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