CN219700789U - Lower digestive tract intestinal fistula prevention catheter - Google Patents
Lower digestive tract intestinal fistula prevention catheter Download PDFInfo
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- CN219700789U CN219700789U CN202320281598.0U CN202320281598U CN219700789U CN 219700789 U CN219700789 U CN 219700789U CN 202320281598 U CN202320281598 U CN 202320281598U CN 219700789 U CN219700789 U CN 219700789U
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- catheter
- balloon
- intestinal
- main body
- fixing ring
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Abstract
The utility model relates to the technical field of medical instruments, in particular to a lower gastrointestinal intestinal fistula preventing catheter which is placed in an intestinal tract and comprises a catheter main body, wherein one end of the catheter main body is provided with a plurality of drainage ports, the other end of the catheter main body is communicated with an external drainage device, one end of the catheter main body provided with the drainage ports is provided with a blocking balloon, the head end of the drainage tube is provided with a catheter fixing ring, the surface of the blocking balloon is provided with three balloon fixing rings, the blocking balloon is connected with the inner wall of the intestinal tract through the balloon fixing rings, one end of the catheter main body provided with the drainage ports is provided with the catheter fixing rings, the catheter main body is connected with the inner wall of the intestinal tract through the catheter fixing rings, and the balloon fixing rings and the pipeline fixing rings are made of human body absorbable materials or disintegrable materials. According to the intestinal fistula preventing catheter, the catheter main body is stably placed in the intestinal tract above the anastomotic stoma through the cooperation of the double-cavity blocking saccule and the fixing ring, so that intestinal contents are blocked, the anastomotic stoma is prevented from being polluted, and the occurrence of the anastomotic fistula is prevented.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a lower gastrointestinal tract intestinal fistula preventing catheter.
Background
The incidence rate of the anastomosis fistula in the colon operation is about 2 percent, and the incidence rate of patients in emergency treatment and auxiliary radiotherapy and chemotherapy is higher. At present, the temporary fistulization of the proximal intestinal canal of the colon is used for preventing the occurrence of the anastomotic fistula, and the intestinal fistulization needs to be closed again in the treatment mode, so that the medical cost is increased, and meanwhile, the abdominal wall intestinal fistulization brings a certain psychological wound to patients.
After external intestinal fistula occurs, due to the loss of a large amount of digestive juice, obvious water and electrolyte disturbance and acid-base metabolism imbalance can occur to patients, and due to the fact that the body is in a stress state, catabolism is enhanced, negative nitrogen balance and hypoproteinemia can occur, means for enhancing nutrition are needed for improving cure rate, in addition, drainage and decompression are needed for distal end obstruction of the intestinal fistula, and drainage operation is carried out by using an intestinal fistula catheter. As in the patent publication No. CN210631536U, an intestinal fistula treatment device integrating functions of drug administration, drainage and blocking is disclosed, aerosol dissipation can be reduced as much as possible by drug administration (enteral nutrition) or drainage through a built-in catheter, but in actual use, the catheter is easily displaced due to lack of a fixing device, complete blocking of the intestine is not possible, once there is an anastomotic fistula, intestinal contents still can flow out through the anastomotic fistula, and occurrence of the anastomotic fistula cannot be well prevented.
Disclosure of Invention
In order to solve the problem that the existing catheter fixing device is lacking, the catheter is easy to shift and cannot completely seal the intestinal cavity, the utility model provides the lower gastrointestinal tract intestinal fistula preventing catheter, the balloon and the fixing ring are arranged at the front end of the catheter, the balloon is sealed in the intestinal cavity after being inflated, and the balloon is fixedly connected with the intestinal wall through the fixing ring, so that the intestinal cavity is completely sealed, and the intestinal content is prevented from polluting an anastomotic stoma.
The technical scheme adopted for solving the technical problems is as follows: a lower digestive tract intestinal fistula preventing catheter is arranged in an intestinal tract and comprises a catheter main body, one end of the catheter main body is provided with a plurality of drainage ports, the other end of the catheter main body is communicated with a drainage device, one end of the catheter main body provided with the drainage ports is provided with a blocking balloon, the periphery of the blocking balloon is provided with a plurality of balloon fixing rings, and the blocking balloon is connected with the inner wall of the intestinal tract through the balloon fixing rings. When intestinal anastomosis fistula occurs, the saccule is stably arranged in the intestinal tract by adjusting the size of the blocking saccule and the cooperation of the fixing ring, so that the intestinal anastomosis fistula is well blocked, intestinal contents are prevented from polluting the anastomosis stoma, and when complications of the anastomosis stoma do not occur, the saccule can be released, and the intestinal contents can pass through the anastomosis stoma to recover normal defecation of a patient.
Further, one end of the catheter main body provided with the drainage port is provided with a catheter fixing ring, and the catheter main body is connected with the inner wall of the intestinal canal through the catheter fixing ring. The drainage port end of the catheter main body is fixed through the fixing ring, so that intestinal contents are smoothly introduced into the catheter and discharged.
Further, the balloon-retaining ring and the catheter-retaining ring are made of a human-absorbable material or a disintegratable material. The disintegration time of the fixing ring is set to about 14 days, after the anastomotic fistula of the patient is completely healed, the fixing ring is usually disintegrated or broken, and the intestinal fistula preventing catheter can be directly pulled out from the body.
Further, at least three balloon fixing rings are arranged, and the balloon fixing rings are circumferentially arranged on the periphery of the plugging balloon. The effective positioning of the balloon is realized through circumferentially distributed fixing rings.
Further, the plugging balloon is a double-cavity balloon, and the double-cavity balloon is connected with an external balloon valve through a gas pipe arranged in the catheter main body. The plugging effect of the double-cavity saccule is better.
Further, one end of the catheter main body communicated with the drainage device is also provided with a dredging air bag, and the dredging air bag is communicated with the catheter main body through a one-way ventilation joint. The blockage of the catheter main body is avoided, and the dredging is carried out after the blockage.
The utility model has the advantages that,
(1) The utility model provides a lower gastrointestinal tract intestinal fistula preventing catheter, which is characterized in that a catheter main body is stably placed in an intestinal tract above an anastomotic stoma through the cooperation of a double-cavity blocking balloon and a fixing ring, so that intestinal contents are blocked, and the anastomotic stoma is prevented from being polluted, thereby preventing the occurrence of the anastomotic fistula and preventing a patient from performing a proximal intestinal tract stoma by performing a secondary operation;
(2) The utility model provides a lower gastrointestinal tract intestinal fistula preventing catheter, which is characterized in that a fixing ring made of human body absorbable materials or disintegratable materials is adopted, so that the trouble of later disassembly is omitted, and the catheter can be decomposed or naturally discharged in a patient along with time;
(3) The utility model provides a lower gastrointestinal tract intestinal fistula preventing catheter, which is convenient for dredging a catheter main body by additionally arranging a dredging air bag connected by a one-way ventilation joint, avoids blockage and ensures normal drainage;
(4) The utility model provides a lower gastrointestinal tract intestinal fistula preventing catheter which can be placed when intestinal anastomosis is carried out in operation, and the laparoscopic operation needs an endoscope for assistance, so that the catheter is very conveniently placed, and the effect of reducing the intestinal cavity internal pressure is achieved when no anastomotic fistula occurs; when the anastomotic fistula occurs, the filling saccule seals the proximal intestinal canal of the anastomotic stoma, prevents intestinal contents from overflowing from the fistula, controls abdominal infection and promotes healing of the fistula; after the plugging saccule is filled, the cleanliness of the proximal intestinal canal is higher, and the treatment of the endoscopic fistulae and the endoscopic fistulae can be repeatedly implemented.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of an intestinal fistula preventing catheter;
in the figure, the intestinal tract is 1, the catheter body is 2, the drainage port is 3, the drainage device is 4, the blocking balloon is 5, the balloon fixing ring is 6, the catheter fixing ring is 7, the gas transmission pipe is 8, the balloon valve is 9, the dredging balloon is 10, and the one-way ventilation joint is 11.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.
The traditional drainage catheter can not be fixed in the intestinal canal 1 due to lack of a fixing device, can not completely seal the intestinal canal 1, can still flow through an anastomotic stoma to pollute the intestinal canal, once the anastomotic stoma is arranged, can still flow out through the anastomotic stoma, and in order to stably place the catheter main body 2 in the intestinal canal 1, a lower digestive tract intestinal fistula prevention catheter is designed, and is placed in the intestinal canal 1, as shown in fig. 1, the drainage catheter comprises a catheter main body 2, one end of the catheter main body 2 is provided with a plurality of drainage ports 3, the other end of the catheter main body 2 is communicated with an external drainage device 4, the drainage device 4 can be a device capable of applying negative pressure such as a drainage bag and a drainage bottle, one end of the catheter main body 2 provided with the drainage port 3 is provided with a sealing balloon 5, the head end of the catheter main body 2 is also provided with a catheter fixing ring 7, three balloon fixing rings 6 are arranged on the surface of the sealing balloon 5, and the catheter fixing ring 7 and the balloon fixing ring 6 are both arranged through tissue clamps capable of opening and closing of an endoscope, and clamping the tissue clamps can be pulled into a proper position in the intestinal canal through the inner wall of the sealing balloon fixing ring 6 when placed, the sealing balloon fixing ring can be connected with the inner wall of the intestinal canal main body through the tissue fixing ring and the inner wall of the catheter fixing ring 2 through the inner wall of the sealing ring and the sealing ring 7.
When drainage operation is carried out, the catheter main body 2 is placed into the intestinal canal 1 through the endoscope, the fixed ring of the head end is pulled into the target intestinal cavity by using the tissue clamp under the endoscope, the tissue clamp is released, the catheter main body 2 is fixed on the mucous membrane of the inner wall of the intestinal canal 1 at a proper position, the section of the intestinal canal 1 is blocked, and intestinal contents are prevented from flowing to the anastomotic stoma, so that intestinal fistula is effectively prevented. The tissue clip is suitable for endoscope and enteroscopy, and soft tissue or foreign matter in the tissue clip is removed, and the implantation of the tube and the tissue clip through the endoscope operation is the prior art and is not repeated herein.
The plugging balloon 5 of the intestinal fistula preventing catheter is connected with the balloon valve 9 outside the body through the balloon cavity channel of the catheter main body 2, air is injected into the balloon valve 9 to plug the intestinal cavity at the proximal end of the anastomotic stoma when needed, the size of the balloon is adjusted by the amount of the injected air, and the plugging balloon can be connected with a pressure measuring device to prevent the balloon from overfilling the intestinal cavity.
In order to fix the position of the catheter body 2 in the intestinal tract 1, a catheter fixing ring 7 is arranged at one end of the catheter body 2 provided with the drainage port 3, and the catheter body 2 is connected with the inner wall of the intestinal tract 1 through the catheter fixing ring 7.
In order to facilitate the automatic disintegration and discharge of the fixing ring, both the balloon fixing ring 6 and the catheter fixing ring 7 are made of human absorbable materials or disintegratable materials, such as polylactic acid, polyglycolide-lactide, polydioxanone, polycaprolactone and the like, which can be disintegrated in the intestinal cavity of a patient along with time, the disintegration time of the fixing ring is generally set to about 14 days, after the anastomotic fistula of the patient is completely healed, the fixing ring is usually disintegrated or broken, and the intestinal fistula preventing catheter can be directly pulled out from the body.
In order to ensure the fixation of the balloon position, at least three balloon fixing rings 6 are arranged, and the balloon fixing rings are circumferentially arranged on the periphery of the plugging balloon 5, so that the sealing balloon 5 is ensured to be fixed and the balloon is effectively prevented from rotating in the intestinal tract 1.
In order to ensure the blockage of the intestinal canal 1, the blocking balloon 5 is a double-cavity balloon, the double-cavity balloon is connected with an external balloon valve 9 through a gas transmission pipe 8 arranged in the catheter main body 2, after the balloon is arranged, gas is transmitted into the blocking balloon 5 through the balloon valve 9 and the gas transmission pipe 8, and the balloon is inflated and then is attached to the mucous membrane on the inner wall of the intestinal canal 1, so that the intestinal canal 1 is blocked, intestinal contents cannot flow through the anastomotic stoma, and can only enter the catheter main body 2 from a drainage port 3 at the end part of the catheter main body 2 and flow into the drainage device 4 for concentration, and later cleaning is facilitated. When needed, air is injected through the balloon valve 9 to seal the intestinal cavity at the proximal end of the anastomotic stoma, the size of the balloon is adjusted by the amount of the injected air, and the balloon can be connected with a pressure measuring device to prevent the balloon from overfilling the intestinal cavity. If one chamber of the double-cavity balloon breaks in the using process, the other chamber can fix the catheter main body 2, so that sufficient time is provided for medical staff to remedy.
In order to prevent the catheter body 2 from being blocked by intestinal contents, a dredging air bag 10 is arranged at one end of the catheter body 2 communicated with the drainage device 4, the dredging air bag 10 is communicated with the catheter body 2 through a one-way ventilation joint 11, and when the catheter body 2 is blocked, gas is injected into the catheter body 2 through the dredging air bag 10 for dredging, so that the normal drainage of the catheter body 2 is ensured.
The above description is illustrative of the utility model and is not to be construed as limiting, and it will be understood by those skilled in the art that many modifications, changes or equivalents may be made without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320281598.0U CN219700789U (en) | 2023-02-22 | 2023-02-22 | Lower digestive tract intestinal fistula prevention catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320281598.0U CN219700789U (en) | 2023-02-22 | 2023-02-22 | Lower digestive tract intestinal fistula prevention catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219700789U true CN219700789U (en) | 2023-09-19 |
Family
ID=87999677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320281598.0U Expired - Fee Related CN219700789U (en) | 2023-02-22 | 2023-02-22 | Lower digestive tract intestinal fistula prevention catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219700789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120131265A (en) * | 2025-04-25 | 2025-06-13 | 河北医科大学第二医院 | A device for preventing fistula after intestinal surgery |
-
2023
- 2023-02-22 CN CN202320281598.0U patent/CN219700789U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120131265A (en) * | 2025-04-25 | 2025-06-13 | 河北医科大学第二医院 | A device for preventing fistula after intestinal surgery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230919 |