CN218247970U - Drainage tube for vacuum auxiliary closing treatment under endoscope - Google Patents
Drainage tube for vacuum auxiliary closing treatment under endoscope Download PDFInfo
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- CN218247970U CN218247970U CN202221545571.XU CN202221545571U CN218247970U CN 218247970 U CN218247970 U CN 218247970U CN 202221545571 U CN202221545571 U CN 202221545571U CN 218247970 U CN218247970 U CN 218247970U
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- drainage tube
- tube body
- hole
- recess
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Abstract
The utility model relates to a drainage tube of closed treatment of vacuum assistance under scope, including drainage tube body, drainage tube body's inside is provided with along the suction chamber that its axial runs through, and drainage tube body's upper end is connected with the vacuum suction subassembly, and drainage tube body's lower extreme is connected with suction portion, suction portion's periphery lateral wall is equipped with a plurality of and attracts the recess, attract the tank bottom of recess to have seted up at least one and attract the hole, it is linked together with drainage tube body inside suction chamber to attract the hole. Through set up the suction recess in the portion of attracting, the tank bottom of suction recess is seted up and is attracted the hole, and the fistula wound cavity sinks and attracts the recess to closely laminate after exerting the negative pressure, promotes blood perfusion and fresh granulation tissue growth with this when fully attracting pus, necrotic secretion and restores the fistula, convenient operation not only effectively improves alimentary canal fistula healing in addition to a certain extent lets the patient reduce the risk of perioperative period operation once more.
Description
The technical field is as follows:
the utility model belongs to the technical field of medical instrument, especially, relate to a drainage tube of vacuum assisted closure treatment under scope.
Background art:
the digestive tract fistula has complex etiology, and trauma, inflammatory infection, operation, tumor and the like are all relevant factors. If not treated in time, the patient has higher fatality rate. For patients with large fistula and sepsis, the traditional treatment scheme of blocking the fistula by using surgical operations, placing a biological stent, a titanium clip, forceps clamps and the like under an endoscope has poor effect. In recent years, clinical studies have found that the use of EVAC to treat the above conditions can achieve better therapeutic effects. The greatest advantage of EVAC over traditional treatment regimens is the sustainable removal of pus, exudates, necrotic secretions, etc., ensuring adequate drainage of the pus lumen. The EVAC drainage tube specialized product is lacked in the current market, and the EVAC drainage tube specialized product is a common gastric tube or drainage tube in clinical use, so that the problems of insufficient drainage, slow healing of fistula and long treatment period exist in the use process of the EVAC drainage tube specialized product.
The utility model has the following contents:
the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model aims to solve the technical problem that a drainage tube of vacuum assisted closed treatment under scope is provided. Not only has reasonable structure and convenient operation, but also effectively improves the healing of the alimentary canal fistula.
In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a drainage tube of vacuum-assisted closed treatment under scope, includes drainage tube body, drainage tube body's inside is provided with along its axial through's attraction chamber, and drainage tube body's upper end and negative pressure attract the subassembly to be connected, and drainage tube body's lower extreme is connected with the portion of attracting, the periphery lateral wall of the portion of attracting is equipped with a plurality of and attracts the recess, attract the tank bottom of recess to have seted up at least one and attract the hole, attract the hole and be linked together with the inside attraction chamber of drainage tube body.
Furthermore, the suction part is of a tubular structure, a communication hole which extends along the axial direction of the suction part and is communicated with the suction hole is formed in the suction part, one end of the suction part is fixedly connected with the lower end of the drainage tube body, and the communication hole in the suction part is communicated with the suction cavity in the drainage tube body.
Further, the diameter of the suction part is larger than that of the drainage tube body.
Furthermore, the negative pressure suction assembly comprises a negative pressure suction device, a connecting pipe and a suction joint, the suction joint is connected to the upper end of the drainage tube body, and the suction joint is connected with the negative pressure suction device through the connecting pipe.
Furthermore, the drainage tube body, the suction connector and the suction part are all transparent hoses made of polyvinyl chloride or polyethylene materials.
Furthermore, the drainage tube body, the suction connector and the suction part are combined into a non-detachable whole.
Furthermore, a plurality of suction grooves are circumferentially and uniformly distributed around the axis of the suction part, and the suction grooves penetrate through the suction part along the axial direction of the suction part.
Further, the cross section of the suction groove is trapezoidal.
Furthermore, at least one suction hole is uniformly distributed along the axial direction of the suction part at intervals, and the suction holes are round holes.
Compared with the prior art, the utility model discloses following effect has: the utility model has the advantages of simple and reasonable design, set up the attraction recess of trapezoidal form through the portion of attracting at the drainage tube, attract the tank bottom of recess to set up and attract the hole, after exerting the negative pressure fistula wound cavity sink with attract the recess and closely laminate, promote blood perfusion and fresh granulation tissue to grow with this and restore the fistula when fully attracting pus, necrotic secretion, convenient operation not only effectively improves alimentary canal fistula healing in addition, lets the patient reduce the risk of perioperative period reoperation to a certain extent.
Description of the drawings:
FIG. 1 is a schematic diagram of the construction of an embodiment of the present invention;
FIG. 2 is a schematic perspective view of the suction part in the embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of the suction portion in the embodiment of the present invention;
FIG. 4 is a schematic top view of the suction part in the embodiment of the present invention;
FIG. 5 is a schematic view of the connection structure between the suction part and the drainage tube body in the embodiment of the present invention.
In the figure:
1-a drainage tube body; 2-a suction fitting; 3-a suction chamber; 4-a suction part; 5-attracting the groove; 6-suction hole; 7-connecting pipe; 8-a negative pressure aspirator; 9-communicating hole.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-5, the utility model relates to a drainage tube of vacuum assisted closure treatment under scope, including drainage tube body 1, drainage tube body 1's inside is provided with along the suction chamber 3 that drainage tube body 1's axis direction runs through, and drainage tube body 1's upper end and negative pressure suction subassembly are connected, and drainage tube body 1's lower extreme is connected with suction portion 4, suction portion 4's periphery lateral wall is equipped with a plurality of along suction portion's radial sunken suction recess 5, suction recess 5's tank bottom has been seted up at least one and has been attracted hole 6, it is linked together with drainage tube body 1 inside suction chamber 3 to attract hole 6. Through set up the suction recess 5 in suction portion 4, suction hole 6 is seted up to the tank bottom of suction recess 5, and the fistula wound cavity sinks and closely laminates with the suction recess after applying the negative pressure, promotes blood perfusion and fresh granulation tissue growth with this to restore the fistula when fully attracting pus, necrotic secretion, convenient operation not only effectively improves alimentary canal fistula healing in addition, lets the patient reduce the risk of perioperative period reoperation to a certain extent.
In this embodiment, the suction part 4 is a tubular structure, a communication hole 9 extending along the axial direction of the suction part 4 and communicated with the suction hole 6 is arranged in the suction part 4, one end of the communication hole is closed, and the other end of the communication hole is open; one end of the suction part is fixedly connected with the lower end of the drainage tube body, and the communicating hole in the suction part is communicated with the suction cavity in the drainage tube body, namely: the suction hole is communicated with the suction cavity in the drainage tube body through the communication hole.
In this embodiment, the diameter of the suction part 4 is slightly larger than that of the drainage tube body 1.
In this embodiment, the negative pressure suction assembly includes a negative pressure suction device 8, a connecting pipe 7 and a suction connector 2, the suction connector 2 is connected to the upper end of the drainage tube body 1, and the suction connector 2 is connected with the negative pressure suction device 8 through the connecting pipe 7. It should be noted that the vacuum suction apparatus is the prior art, and is widely applied to various clinical departments for medical drainage, sputum excretion, blood and secretion excretion, and the structure and the working principle thereof are not repeated herein. When the fistula repairing device works, the negative pressure aspirator sucks pus, exudate and necrotic secretions of the fistula through the drainage tube, effectively cleans the fistula substrate, and promotes blood perfusion and fresh granulation tissue growth so as to repair the fistula.
In this embodiment, the drainage tube body 1, the suction connector 2 and the suction portion 4 are all transparent hoses made of polyvinyl chloride or polyethylene materials, the suction chamber is an inner chamber of the drainage tube body, and the communication hole is an inner chamber of the suction portion.
In this embodiment, the drainage tube body 1, the suction connector 2, and the suction portion 4 are integrally joined together to form an inseparable unit in order to improve the stability of the overall structure. It should be noted that the combination manner between the drainage tube body, the suction connector and the suction portion is the same as the combination manner between the transparent hoses in the prior art, and the description is not repeated here.
In this embodiment, the plurality of suction grooves 5 are circumferentially and uniformly distributed around the axis of the suction portion 4, and the suction grooves 5 penetrate in the axial direction of the suction portion.
In this embodiment, the cross section of the suction groove 5 is trapezoidal, that is: one end of the suction groove 5 remote from the communication hole 9 is narrow and one end near the communication hole 9 is wide. Through will attracting the recess design into the cross-section for trapezoidal form, the fistula tissue is more firm attached in attracting the recess under the negative pressure attraction, promotes the growth of fistula tissue blood perfusion and fresh granulation tissue.
In this embodiment, at least one suction hole 6 is uniformly distributed along the axial direction of the suction part 4 at intervals, and the suction hole 6 is a circular hole. In order to improve the suction effect, a plurality of suction holes can be arranged and are uniformly distributed at intervals side by side along the axial direction of the suction part. It should be noted that the suction holes can be provided with a plurality of rows, so that the blockage of the lumen by blood clots, pus, necrotic secretions and the like can be avoided, and the drainage can be performed more fully.
In this embodiment, when in use: first, the fistula and the pus cavity are thoroughly evaluated under the endoscope, including the diameter and position of the fistula, the range of the pus cavity, the relation with the anatomical position of the surrounding adjacent tissue and organs, and the like. If the fistula is small and a large pus cavity exists, the fistula needs to be properly expanded by the aid of the air bag to help an endoscope to pass through, the pus cavity outside the fistula is thoroughly explored, and free pus and necrotic tissues are sucked simultaneously. Then, the suction part 4 at the lower end of the drainage tube body 1 is placed into the fistula through an endoscope, and the drainage tube body 1 is connected with a negative pressure suction apparatus 8 through a connecting pipe 7; and a negative pressure source is opened to continuously supply negative pressure of 80-125 mm Hg (1 mm Hg =0.133 kPa), pus, exudate and necrotic secretions of the fistula are fully sucked, the fistula base is effectively cleaned, blood perfusion and fresh granulation tissue growth are promoted, and the healing of the fistula is promoted. After the drainage tube is adopted, the healing rate of the alimentary canal fistula with larger fistula opening diameter can be improved, and the drainage tube has the advantages of full attraction, strong operability, low cost and the like in clinical application.
The utility model has the advantages that: the suction groove design of the unique style of adoption trapezoidal form of suction portion, after exerting the negative pressure fistula wound cavity collapse with the recess closely laminate, promote blood perfusion and fresh granulation tissue growth in the time of fully attracting pus, necrotic secretion and restore the fistula with this, not only rational in infrastructure, convenient operation effectively improve alimentary canal fistula healing moreover, let the patient reduce the risk of perioperative period operation once more to a certain extent.
The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding) can, of course, also be replaced by one-piece structures (e.g. manufactured in one piece using a casting process) (unless it is obvious that one-piece processes cannot be used).
In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.
The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (9)
1. The utility model provides a drainage tube of vacuum assisted closure treatment under scope which characterized in that: including the drainage tube body, the inside of drainage tube body is provided with along its axial through's attraction chamber, and the upper end of drainage tube body is connected with the negative pressure suction subassembly, and the lower extreme of drainage tube body is connected with the attraction portion, the periphery lateral wall of attraction portion is equipped with a plurality of and attracts the recess, the tank bottom of attracting the recess has seted up at least one and has attracted the hole, it is linked together with the inside attraction chamber of drainage tube body to attract the hole.
2. The drainage tube for endoscopic vacuum assisted closure treatment according to claim 1, wherein: the suction part is of a tubular structure, a communication hole which extends along the axial direction of the suction part and is communicated with the suction hole is arranged in the suction part, one end of the suction part is fixedly connected with the lower end of the drainage tube body, and the communication hole in the suction part is communicated with the suction cavity in the drainage tube body.
3. The drainage tube for endoscopic vacuum assisted closure treatment according to claim 2, wherein: the diameter of the suction part is larger than that of the drainage tube body.
4. The drainage tube for endoscopic vacuum assisted closure treatment according to claim 1, wherein: the negative pressure suction assembly comprises a negative pressure suction device, a connecting pipe and a suction joint, the suction joint is connected to the upper end of the drainage pipe body, and the suction joint is connected with the negative pressure suction device through the connecting pipe.
5. The drainage tube for endoscopic vacuum assisted closure treatment according to claim 4, wherein: the drainage tube body, the suction connector and the suction part are transparent hoses made of polyvinyl chloride or polyethylene materials.
6. The drainage tube for endoscopic vacuum assisted closure treatment according to claim 4, wherein: the drainage tube body, the suction joint and the suction part are combined into an integral body which cannot be disassembled.
7. The drainage tube for endoscopic vacuum assisted closure therapy according to claim 1, wherein: the plurality of suction grooves are uniformly distributed in a circumferential manner around the axis of the suction part, and the suction grooves penetrate through the axial direction of the suction part.
8. The drainage tube for endoscopic vacuum assisted closure treatment according to claim 1, wherein: the section of the suction groove is trapezoidal.
9. The drainage tube for endoscopic vacuum assisted closure treatment according to claim 1, wherein: at least one suction hole is evenly distributed along the axial direction of the suction part at intervals, and the suction holes are round holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221545571.XU CN218247970U (en) | 2022-06-21 | 2022-06-21 | Drainage tube for vacuum auxiliary closing treatment under endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221545571.XU CN218247970U (en) | 2022-06-21 | 2022-06-21 | Drainage tube for vacuum auxiliary closing treatment under endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218247970U true CN218247970U (en) | 2023-01-10 |
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ID=84758183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221545571.XU Active CN218247970U (en) | 2022-06-21 | 2022-06-21 | Drainage tube for vacuum auxiliary closing treatment under endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218247970U (en) |
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2022
- 2022-06-21 CN CN202221545571.XU patent/CN218247970U/en active Active
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