CN214762515U - Biliary tract pressure reducing device - Google Patents
Biliary tract pressure reducing device Download PDFInfo
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- CN214762515U CN214762515U CN202120852392.XU CN202120852392U CN214762515U CN 214762515 U CN214762515 U CN 214762515U CN 202120852392 U CN202120852392 U CN 202120852392U CN 214762515 U CN214762515 U CN 214762515U
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- tubule
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Abstract
The utility model discloses a biliary tract decompression device, which comprises a leading-out tubule and a decompression bile duct which are connected in sequence, wherein the decompression bile duct is internally of a hollow structure, drainage holes are uniformly distributed on the side wall, the front end of the leading-out tubule is used for being introduced into a bile main tube through an abdominal wall poking and clamping hole and passing through a duodenal papilla to enter a duodenal cavity, and finally the leading-out tubule is sleeved by a duodenoscope which is put in through the oral cavity and is pulled out of the nasal cavity through an endoscope operation channel; the decompression bile duct enters and is arranged in the common bile duct under the traction of the leading-out tubule; the outer end of the decompression bile duct connected with the leading-out tubule passes through the duodenal papilla and is positioned in the duodenum. The utility model discloses a biliary tract pressure relief device can realize the purpose of directly pulling out from the external body with the biliary tract decompression pipe of putting under the prerequisite that reaches and place the same decompression effect of biliary tract plastic support, nose courage drainage tube, has avoided postoperative reuse duodenoscope to take out plastic support's invasive operation, can not cause patient's discomfort in the use simultaneously.
Description
Technical Field
The utility model relates to a medical instrument, concretely relates to biliary tract pressure relief device.
Background
Cholelithiasis (including cholecystolithiasis, intrahepatic bile duct lithiasis and extrahepatic bile duct lithiasis) is a common disease and frequently encountered disease in China, and the treatment means of the cholecystolithiasis is changed from the traditional open abdominal operation to the minimally invasive treatment by combining a laparoscope, a choledochoscope and a duodenoscope (hereinafter referred to as three-scope combination). In the traditional open surgery or laparoscopic minimally invasive surgery, a biliary decompression tube (namely a T tube) is usually kept in place to relieve the pressure after the biliary surgery and reduce the incidence rate of bile leaking to a peritoneal cavity. However, the T-shaped tube can be withdrawn for 1.5-2.0 months, which brings great pain to patients and is not in accordance with the original intention of minimally invasive treatment. Therefore, the mode of biliary tract decompression is changed, the dilemma can be changed and the pain of the patient can be reduced by adopting the first-stage suture of the biliary tract incision under the laparoscope and placing the biliary tract decompression tube into the biliary tract decompression tube through the duodenoscope.
At present, the technology for implementing biliary tract decompression in the three-mirror combined operation comprises two types of placing a biliary tract plastic bracket and a nasal biliary drainage tube. The former has the disadvantage that the duodenoscope is required to be used again to take out the biliary tract plastic stent after operation, and the latter nasobiliary drainage tube has the advantage that the duodenoscope is not required to be used to take out the stent after operation, but has the disadvantage that the nasobiliary drainage tube needs to be kept in the nasal cavity after operation, the diameter of the tube is too thick, the nasobiliary drainage tube can stimulate the patient to frequently feel nausea and vomit, and the patient tolerance and the medical experience are poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve carries out biliary tract decompression through putting into biliary tract plastic support, and the postoperative must reuse the duodenoscope and take out biliary tract plastic support, and the nasal cavity is kept somewhere the nose courage drainage tube and then can be because the pipe diameter is too thick, and amazing patient frequently nausea, vomiting. An object of the utility model is to provide a biliary tract pressure relief device can reach and put the same decompression effect's of biliary tract plastic support, nose courage drainage tube under the prerequisite, realizes the biliary tract decompression pipe that will put into from the external purpose of directly pulling out, has avoided postoperative reuse duodenoscope to take out plastic support's invasive operation, can not cause patient's discomfort in the use simultaneously.
The utility model discloses a following technical scheme realizes:
a biliary tract decompression device comprises a leading-out slim tube and a decompression bile duct which are sequentially connected, wherein the diameter of the leading-out slim tube is smaller than that of the decompression bile duct, the decompression bile duct is internally of a hollow structure, drainage holes are uniformly distributed on the side wall of the decompression bile duct, the front end of the leading-out slim tube is used for being led into a biliary trunk through an abdominal wall poking and clamping hole, penetrating through a duodenal papilla, entering a duodenal cavity, being finally sleeved by a duodenoscope placed through the oral cavity, and being pulled out of the body from the nasal cavity through an endoscope operation channel; the decompression bile duct enters and is arranged in the common bile duct under the traction of the leading-out tubule; wherein the outer end of the decompression bile duct connected with the leading-out tubule passes through the duodenal papilla and is positioned in the duodenum.
The utility model discloses a biliary tract pressure relief device can realize the purpose of directly pulling out from the external body with the biliary tract decompression pipe of putting under the prerequisite that reaches and place the same decompression effect of biliary tract plastic support, nose courage drainage tube, has avoided postoperative reuse duodenoscope to take out plastic support's invasive operation, can not cause patient's discomfort in the use simultaneously.
Specifically, the operation process of taking out the calculus by utilizing the laparoscopic minimally invasive surgery comprises the following steps of firstly, cutting off a gall bladder under a laparoscope; then, the common bile duct is cut open under the laparoscope, and the choledochoscope is used for taking out the calculus in the common bile duct or the intrahepatic bile duct; then the biliary tract decompression device is introduced into the biliary tract decompression device through the abdominal wall poking and clamping hole, firstly, the thin-diameter part is utilized to lead out the thin tube, the thin tube passes through the common bile duct and enters the duodenal cavity through the duodenal papilla, then the front end of the lead-out thin tube is sleeved by a snare extending into the duodenal clamp channel, the duodenoscope exits through an operation channel, so that the front end of the lead-out thin tube is pulled out of the body, and the lead-out thin tube is fixed at the outlet of the nasal cavity after conversion; the decompression bile duct connected to the rear end of the leading-out thin tube gradually enters the common bile duct under the traction of the leading-out thin tube, so that the decompression bile duct can simulate the bile internal drainage mode of the biliary tract plastic stent, effectively drain the bile in the common bile duct into the duodenal cavity and directly flow into the intestinal cavity, avoid bile loss and achieve the same effect as the biliary tract plastic stent; wherein the leading-out tubule is fixed at the nasal cavity. After the device is used, the decompression bile duct can be pulled to the outside of the body by leading out the thin tube, so that secondary invasion operation of the duodenoscope is avoided, the thin tube is equivalently led out to play a role similar to that of directly pulling out the nasal biliary drainage tube, the thin tube is led out without drainage liquid, the diameter of the thin tube is far smaller than that of the nasal biliary drainage tube, and nausea and vomiting caused by stimulation to the nasal cavity can be avoided by the leading-out thin tube.
The utility model discloses biliary tract pressure relief device has integrated the good decompression effect that biliary tract plastic support had and the advantage that easily pull out that nasal bile drainage tube had, and can not change hepatobiliary surgeon's operation custom when using, also need not increase extra equipment, has good hepatobiliary surgery clinical practicality and scientificity.
The inner bilateral symmetry of decompression bile duct is provided with the anti-drop flank, and the contained angle between anti-drop flank and the terminal lateral wall of decompression bile duct is the obtuse angle, can improve the stability of decompression bile duct inner in the courage main, avoids the slippage.
The leading-out slim tube is a solid tube or a hollow tube, and is communicated with the decompression bile duct when the leading-out slim tube is a hollow tube, so that a fine guide wire can pass through the leading-out slim tube.
The diameter of the decompression bile duct is 7.5Fr, the purpose of bile drainage can be well met, the diameter of the leading-out tubule is 5.5Fr, the outer diameter of the nasal cavity pipeline is obviously reduced, and the comfort level of a patient is greatly improved.
The transition joint of the leading-out tubule and the decompression bile duct is a smooth curved surface, and the front end surface of the leading-out tubule is a smooth curved surface, so that the joint can conveniently penetrate through the duodenal papilla.
The outer wall of the leading-out thin tube is provided with scales, so that the device is convenient to confirm the length of the device in the body in the using process.
The inner end of the decompression bile duct is in a smooth sharp-nose shape A, wherein the shape A is similar to the shape of a circular truncated cone.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model relates to a biliary tract decompression device, which can realize the purpose of directly pulling out the placed biliary tract decompression tube from the outside on the premise of achieving the same decompression effect as placing a biliary tract plastic bracket, avoids the invasive operation of using a duodenoscope again to take out the plastic bracket after operation, and can not cause the discomfort of a patient in the using process;
2. the utility model relates to a biliary tract pressure reducing device, which simulates the biliary internal drainage mode of a biliary tract plastic stent, directly flows into an intestinal cavity, no bile is lost, the outer diameter of a pipeline in a nasal cavity is obviously reduced, and the comfort level of a patient is greatly increased;
3. the utility model relates to a biliary tract pressure relief device has assembled the good decompression effect that biliary tract plastic support had and the advantage of easily pulling out that nasal biliary drainage tube had, and can not change hepatobiliary surgeon's operation custom when using, also need not increase extra equipment, has good hepatobiliary surgery clinical practicality and scientificity.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a diagram of the usage state of the utility model.
Reference numbers and corresponding part names in the drawings:
1-leading out a thin tube, 2-decompressing a bile duct, 3-drainage holes and 4-anti-falling side wings.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
As shown in fig. 1 and 2, a biliary tract pressure reduction device comprises a leading-out tubule 1 and a pressure reduction bile duct 2 which are connected in sequence, wherein the diameter of the leading-out tubule 1 is smaller than that of the pressure reduction bile duct 2, the pressure reduction bile duct 2 is hollow, drainage holes 3 are uniformly distributed on the side wall of the pressure reduction bile duct 2, the front end of the leading-out tubule 1 is used for being led into a biliary trunk through an abdominal wall poking hole, penetrating through a duodenal papilla and entering a duodenal cavity, and finally being taken out of the body through a duodenoscope placed through the oral cavity and being pulled out of the nasal cavity through an endoscope operation channel; the decompression bile duct 2 enters and is arranged in the common bile duct under the traction of the leading-out tubule 1; wherein the outer end of the decompression bile duct 2 connected with the leading-out tubule 1 passes through the duodenal papilla and is positioned in the duodenum.
The utility model discloses a biliary tract pressure relief device can realize the purpose of directly pulling out from the external body with the biliary tract decompression pipe of putting under the prerequisite that reaches and place the same decompression effect of biliary tract plastic support, nose courage drainage tube, has avoided postoperative reuse duodenoscope to take out plastic support's invasive operation, can not cause patient's discomfort in the use simultaneously.
Specifically, the operation process of taking out the calculus by utilizing the laparoscopic minimally invasive surgery comprises the following steps of firstly, cutting off a gall bladder under a laparoscope; then, the common bile duct is cut open under the laparoscope, and the choledochoscope is used for taking out the calculus in the common bile duct or the intrahepatic bile duct; then the biliary tract decompression device is introduced into the biliary tract decompression device through the abdominal wall poking and clamping hole, firstly, the thin-diameter part is utilized to draw out the thin tube, the thin tube passes through the common bile duct and enters the duodenal cavity through the duodenal papilla, then the front end of the drawn-out thin tube is sleeved by a snare extending into the duodenal clamp channel, and the duodenoscope exits through an endoscope operation channel, so that the front end of the drawn-out thin tube is pulled out of the body and is fixed at the outlet of the nasal cavity after conversion; the decompression bile duct connected to the rear end of the leading-out thin tube gradually enters the common bile duct under the traction of the leading-out thin tube, so that the decompression bile duct can simulate the bile internal drainage mode of the biliary tract plastic stent, effectively drain the bile in the common bile duct into the duodenal cavity and directly flow into the intestinal cavity, avoid bile loss and achieve the same effect as the biliary tract plastic stent; wherein the leading-out tubule is fixed at the nasal cavity. After the device is used, the decompression bile duct can be pulled to the outside of the body by leading out the thin tube, so that secondary invasion operation of the duodenoscope is avoided, the thin tube is equivalently led out to play a role similar to that of directly pulling out the nasal biliary drainage tube, the thin tube is led out without drainage liquid, the diameter of the thin tube is far smaller than that of the nasal biliary drainage tube, and nausea and vomiting caused by stimulation to the nasal cavity can be avoided by the leading-out thin tube.
The utility model discloses biliary tract pressure relief device has integrated the good decompression effect that biliary tract plastic support had and the advantage that easily pull out that nasal bile drainage tube had, and can not change hepatobiliary surgeon's operation custom when using, also need not increase extra equipment, has good hepatobiliary surgery clinical practicality and scientificity.
The inner bilateral symmetry of decompression bile duct is provided with anti-drop flank 4, and the contained angle between anti-drop flank and the terminal lateral wall of decompression bile duct is the obtuse angle, can improve the stability of decompression bile duct inner in the courage main, avoids the slippage.
The leading-out slim tube and the decompression bile duct are solid tubes or hollow tubes, and the leading-out slim tube is communicated with the decompression bile duct when being a hollow tube and can be used for fine guide wires to pass through.
The diameter of the decompression bile duct is 7.5Fr, the purpose of bile drainage can be well met, the diameter of the leading-out tubule is 5.5Fr, the outer diameter of the nasal cavity pipeline is obviously reduced, and the comfort level of a patient is greatly improved.
The transition joint of the leading-out tubule and the decompression bile duct is a smooth curved surface, and the front end surface of the leading-out tubule is a smooth curved surface, so that the joint can conveniently penetrate through the duodenal papilla.
The outer wall of the leading-out thin tube is provided with scales, so that the device is convenient to confirm the length of the device in the body in the using process.
The inner end of the decompression bile duct is in a smooth sharp-nose shape.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A biliary tract decompression device is characterized by comprising a leading-out slim tube (1) and a decompression bile duct (2) which are sequentially connected, wherein the diameter of the leading-out slim tube (1) is smaller than that of the decompression bile duct (2), the decompression bile duct (2) is internally of a hollow structure, drainage holes (3) are uniformly distributed in the side wall of the decompression bile duct, the front end of the leading-out slim tube (1) is used for being led into a biliary trunk through an abdominal wall poking hole, penetrating through a duodenal papilla, entering a duodenal cavity, being finally sleeved by a duodenoscope placed through the oral cavity, and being pulled out of the body from the nasal cavity through an endoscope operation channel; the decompression bile duct (2) enters and is arranged in the common bile duct under the traction of the leading-out tubule (1); wherein the outer end of the decompression bile duct (2) connected with the leading-out tubule (1) passes through the duodenal papilla and is positioned in the duodenum.
2. The biliary tract decompression device according to claim 1, wherein the decompression bile duct (2) is located at two sides of the inner end of the bile duct, and the anti-falling wings (4) are symmetrically arranged, and an included angle between the anti-falling wings (4) and the side wall of the tail end of the decompression bile duct (2) is an obtuse angle.
3. The biliary tract decompression device according to claim 1, wherein the leading tubule (1) is a solid tube or a hollow tube, and is communicated with the decompression bile duct (2) when the leading tubule (1) is a hollow tube.
4. The biliary decompression device according to claim 1, wherein the diameter of the decompression bile duct (2) is 7.5Fr and the diameter of the extraction tubule (1) is 5.5 Fr.
5. The biliary tract decompression device according to claim 1, wherein the transition junction between the leading tubule (1) and the decompression bile duct (2) is a smooth curved surface.
6. The biliary tract decompression device according to claim 1, wherein the leading end surface of the leading tubule (1) is a smooth curved surface.
7. The biliary decompression device according to claim 1, wherein the outer wall of the outlet tubule (1) has graduations.
8. The biliary decompression device according to claim 1, wherein the inner end of the decompression bile duct (2) is in the shape of a smooth tip "a".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120852392.XU CN214762515U (en) | 2021-04-23 | 2021-04-23 | Biliary tract pressure reducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120852392.XU CN214762515U (en) | 2021-04-23 | 2021-04-23 | Biliary tract pressure reducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214762515U true CN214762515U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120852392.XU Active CN214762515U (en) | 2021-04-23 | 2021-04-23 | Biliary tract pressure reducing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214762515U (en) |
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2021
- 2021-04-23 CN CN202120852392.XU patent/CN214762515U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20230614 Address after: Room 1508 and 1509, Unit 1, Building 1, No. 9, Longtan Road, Chenghua District, Chengdu, Sichuan 610000 Patentee after: Xisuo (Chengdu) Medical Technology Co.,Ltd. Address before: 610000 No. 1711, floor 17, building 3, No. 69, Qingyun South Street, Jinjiang District, Chengdu, Sichuan Patentee before: Chengdu fuainong Technology Co.,Ltd. |