CN211560292U - Percutaneous hepatic puncture biliary dilation radiography tube - Google Patents
Percutaneous hepatic puncture biliary dilation radiography tube Download PDFInfo
- Publication number
- CN211560292U CN211560292U CN201922256854.7U CN201922256854U CN211560292U CN 211560292 U CN211560292 U CN 211560292U CN 201922256854 U CN201922256854 U CN 201922256854U CN 211560292 U CN211560292 U CN 211560292U
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- tube
- pipe
- outer sheath
- expansion
- spring
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Abstract
The utility model provides a percutaneous liver puncture biliary tract expansion radiography tube, which comprises an expansion tube, an outer sheath tube, a rubber plug, a guide wire, an outer sheath tube, a push rod, a first spring tube and a second spring tube, wherein the rubber plug outer sheath tube is sleeved at one end of the outer sheath tube, the expansion tube passes through the rubber plug and passes through the outer sheath tube, the guide wire is arranged in the expansion tube in a penetrating way, the outer sheath tube is communicated with the outer sheath tube, the push rod is arranged in the outer sheath tube and is connected with the outer sheath tube in a sliding way, the first spring tube is wound at one end of the expansion tube far away from the rubber plug, the utility model discloses a spring tube presents high echo under the B ultrasonic, the position of the expansion tube head can be accurately observed under the B ultrasonic, the target sinus can be accurately expanded, and the biliary tract contrast medium can be injected through the outer sheath tube and the push rod, whether the biliary tract can be further accurately determined to enter the target sinus tract or not, convenient use, low cost, good implementation effect and good practicability.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a through skin liver puncture biliary tract expansion radiography pipe.
Background
Treatment of intrahepatic bile duct stones is a worldwide problem, and particularly for patients with recurrent stones after repeated operations, traditional surgical treatment is difficult to carry out. The percutaneous transhepatobiliary lithotomy is used for directly puncturing the body of a patient to reach the intrahepatic dilated bile duct through extracorporeal puncture, establishing the sinus of the bile duct, placing a sheath tube, and taking out intrahepatic bile duct stones by using a hard or soft choledochoscope in modes of trajectory, laser, stone-taking basket, negative pressure suction and the like, so that the percutaneous transhepatobiliary lithotomy is an important emerging scheme for treating intrahepatic bile duct stones at present.
The technical link mainly comprises the steps of puncturing an intrahepatic bile duct by a fine needle, placing a guide wire in the intrahepatic bile duct, and sequentially expanding along the guide wire to establish main links such as operating sinus and extracting calculus through the sinus. In the step of establishing and operating the sinus, the 6F-16F expansion kit is mainly adopted for sequential expansion at present, the series of expansion tubes are hollow single-cavity polyethylene plastic tubes capable of passing through guide wires, the difference between B-ultrasonic echo signals and hepatic parenchyma signals is small, the head end position is difficult to accurately observe, radiography and suction cannot be realized, the tube placement depth is mainly judged by depending on the hand feeling of an operator, and the tube movement is judged in a fuzzy mode under ultrasonic, so that whether the expansion tubes accurately enter the biliary tract cannot be known. The target sinus cannot be fully expanded or the bile duct is penetrated, even the patient mistakenly enters the blood vessel and cannot know the sinus at once, the sinus cannot be found by inserting the choledochoscope until the sinus is expanded to 16F, the success rate of the operation is obviously influenced, and the occurrence probability of complications is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a percutaneous hepatic puncture biliary tract expansion radiography tube.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a through skin liver puncture biliary tract expansion radiography pipe, includes expansion tube, outer sheath pipe, plug, guide wire, outer tub of, push rod, spring pipe and includes first spring pipe and second spring pipe, the one end of sheath pipe is established to the plug cover, the expansion tube passes the plug and runs through outer sheath pipe, run through in the expansion tube and be provided with the guide wire, outer tub of and outer sheath pipe intercommunication, be provided with the push rod in the outer tub of, push rod and outer tub of sliding connection, the one end of keeping away from the plug of expansion tube is provided with first spring pipe around twining, the one end of keeping away from the plug of outer sheath pipe is provided with the second spring pipe around twining.
Preferably, the expansion pipe comprises a pipe body and a pipe tip, the expansion pipe is a hollow pipe, the pipe body and the pipe tip are of an integrated structure, the pipe tip is a conical tip body from thin to thick, the guide wire penetrates through the expansion pipe and extends out of the pipe tip of the expansion pipe, and a first spring pipe is wound on the pipe tip of the expansion pipe.
As optimizing, the push rod includes ejector pad, ejector sleeve and pushes away the handle, the ejector pad sets up the one end at the ejector sleeve, push away the other end that sets up at the ejector sleeve, the ejector pad is medical soft rubber buffer, be provided with the drainage channel who link up the ejector pad and push away the handle in the ejector sleeve, connect an external tube in the sheath outside of tubes, external tube on the one hand through the drainage channel injection contrast medium of push rod or water along sheath entering biliary tract, on the other hand makes bile get into the external tube along sheath pipe from biliary tract through drawing the push rod outwards to this confirms whether the expansion pipe gets into biliary tract, needs to push away the ejector pad of push rod to the root of external tube before the use.
As optimization, a through external connecting pipe is obliquely arranged on the outer side pipe wall of the external sheath pipe, the external sheath pipe and the external connecting pipe are of a Y-shaped structure, and the external connecting pipe is a Ruhr connecting pipe.
As optimization, the first spring tube and the second spring tube are flat wire spring tubes, and the flat wire spring tubes have the unique advantage that under the condition of same tight winding, the outer sides of the common metal spring tubes are still provided with gaps and are unsmooth when touched by hands, the walls of galleries can be scraped and rubbed when the spring tubes are used for medical purpose, damage to the walls of the galleries is easy to cause, the defect is overcome by the flat wire spring tubes, the distance of the gaps is greatly reduced, the spring tubes are smooth when touched, high echo can be well shown under the B-ultrasound when the spring tubes are used, the end position of an expansion tube head can be accurately observed under the B-ultrasound, a target sinus can be accurately expanded, and damage to the walls of the galleries is avoided.
As an optimization, the rubber plug is a medical rubber plug, a through hole is arranged on the rubber plug, the rubber plug can increase the friction force with the outer sheath tube to enable the rubber plug to be fixed at one end of the outer sheath tube, meanwhile, as the rubber plug has elasticity, when the expanding tube penetrates through the rubber plug to be inserted into the outer sheath tube, the rubber plug can tightly clamp the expanding tube, and the end of the outer sheath tube, which is provided with the rubber plug, is kept sealed.
Preferably, the dilating tube is a set of dilating tubes with different types, the types of the dilating tubes are 8F, 10F, 12F, 14F and 16F, during surgery, the bile duct is punctured first, the guide wire is sent into the bile duct, the dilating tubes enter the bile duct along the guide wire, the 8F to 16F dilating tubes sequentially dilate the duct from thin to thick, and after dilation, the last 16F dilating tube cannot be taken out, so that a syringe cannot be connected at the rear part to pump water or extract bile and the like to confirm that the dilating tubes are in the bile duct.
Preferably, the external connecting tube and the outer sheath tube form a Y-shaped medical tube.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a spring pipe is showing high echo under the B ultrasonic, can accurately observe under the B ultrasonic and expand tube head position, and accurate expansion target sinus is through outer takeover and push rod injection biliary tract contrast medium simultaneously, can further the accurate determination whether get into target sinus. In addition, through external pipe and push rod suction bile, injection biliary tract contrast medium or water injection, can also reach the purpose that safe effective expansion established bile duct sinus, the utility model discloses simple structure, convenient to use, it is with low costs, implement effectually, have good practicality.
Drawings
FIG. 1 is a schematic structural diagram (I) of a percutaneous hepatic puncture biliary dilation radiography tube of the present invention;
fig. 2 is a schematic structural diagram (two) of a biliary tract dilatation radiography tube of the present invention.
Description of reference numerals: 1-an expansion tube, 101-a tube body, 102-a tube tip, 2-an external sheath tube, 3-a rubber plug, 4-a guide wire, 5-an external tube, 6-a push rod, 601-a push plug, 602-a push tube, 603-a push handle, 7-a first spring tube and 8-a second spring tube.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
As shown in fig. 1, a through skin liver puncture biliary tract expansion radiography pipe, including expansion tube 1, outer sheath pipe 2, the plug 3, the guide wire 4, external pipe 5, the push rod 6, first spring tube 7 and second spring tube 8, the one end at outer sheath pipe 2 is established to 3 outer sheath pipe covers of plug, expansion tube 1 passes plug 3 and runs through outer sheath pipe 2, still run through in the expansion tube 1 and be provided with guide wire 4, external pipe 5 and outer sheath pipe 2 intercommunication, be provided with push rod 6 in the external pipe 5, push rod 6 and external pipe 5 sliding connection, the one end of keeping away from plug 3 of expansion tube 1 is provided with first spring tube 7 around the winding, the one end of keeping away from plug 3 of outer sheath pipe 2 is provided with second spring tube 8 around the winding.
As shown in fig. 2, the expanding tube 1 comprises a tube body 101 and a tube tip 102, the expanding tube 1 is a hollow tube, the tube body 101 and the tube tip 102 are of an integral structure, the tube tip 102 is a conical tip body from thin to thick, the guide wire 4 penetrates through the expanding tube 1 and extends out of the tube tip 102 of the expanding tube 1, and the first spring tube 7 is wound around the tube tip 102 of the expanding tube 1.
As shown in fig. 2, the push rod 6 includes a push plug 601, a push tube 602 and a push handle 603, the push plug 601 is disposed at one end of the push tube 602, the push handle 603 is disposed at the other end of the push tube 602, the push plug 601 is a medical soft rubber plug, a drainage channel 604 penetrating the push plug 601 and the push handle 603 is disposed in the push tube 602, an external tube is connected to the outer side of the external sheath tube, on one hand, the external tube injects contrast medium or water through the drainage channel of the push rod into the biliary tract along the outer sheath tube, on the other hand, bile enters the external tube from the biliary tract along the outer sheath tube by pulling the push rod outwards, so as to confirm whether the dilating tube enters the biliary tract, and before use, the push plug of the push rod needs to be pushed to the.
As shown in fig. 1, a through external connection tube 5 is obliquely arranged on the outer side tube wall of the outer sheath tube 2, the outer sheath tube 2 and the external connection tube 5 are in a Y-shaped structure, and the external connection tube 5 is a luer connection tube.
As shown in fig. 1, the first spring tube 7 and the second spring tube 8 are flat wire spring tubes, and compared with a common metal spring tube, the flat wire spring tube has the unique advantage that under the condition of same tight winding, the outer side of the winding of the common metal spring tube still has a gap, and is unsmooth when touched by hands, and the spring tube can scratch and rub the wall of the biliary tract during medical use, so that damage to the biliary tract is easy to cause, while the flat wire spring tube avoids the defect, so that the distance of the gap is greatly reduced, and the spring tube is smooth when touched.
As shown in fig. 1, the rubber plug 3 is a medical rubber plug, and the rubber plug 3 is provided with a through hole, so that the rubber plug can increase the friction force with the sheath tube to fix the rubber plug at one end of the sheath tube, and meanwhile, because the rubber plug has elasticity, when the expanding tube penetrates through the rubber plug and is inserted into the sheath tube, the rubber plug can tightly clamp the expanding tube, and the end of the sheath tube, which is provided with the rubber plug, is kept sealed.
As shown in figure 1, the dilating tube 1 is a set of dilating tubes with different models, the model of the dilating tube 1 is divided into 8F, 10F, 12F, 14F and 16F, when in operation, the bile duct is punctured first, the guide wire is sent into the bile duct, the dilating tube enters the bile duct along the guide wire, the 8F to 16F dilating tubes dilate the duct from thin to thick in sequence, and after dilation, the last 16F dilating tube cannot be taken out, so that a syringe cannot be connected at the rear part to pump water or extract bile to confirm that the dilating tube is in the bile duct.
As shown in FIG. 1, the extension tube 5 and the sheath tube 2 form a Y-shaped medical tube.
The utility model discloses a spring pipe is showing high echo under the B ultrasonic, can accurately observe under the B ultrasonic and expand tube head position, and accurate expansion target sinus is through outer takeover and push rod injection biliary tract contrast medium simultaneously, can further the accurate determination whether get into target sinus. In addition, through external pipe and push rod suction bile, injection biliary tract contrast medium or water injection, can also reach the purpose that safe effective expansion established bile duct sinus, the utility model discloses simple structure, convenient to use, it is with low costs, implement effectually, have good practicality.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (8)
1. A percutaneous hepatic puncture biliary dilation contrast tube is characterized in that: comprises an expansion tube (1), an outer sheath tube (2), a rubber plug (3), a guide wire (4), an external connecting tube (5), a push rod (6) and a spring tube, the spring tube comprises a first spring tube (7) and a second spring tube (8), the rubber plug (3) outer sheath tube (2) is sleeved at one end of the outer sheath tube (2), the expanding tube (1) passes through the rubber plug (3) and penetrates through the outer sheath tube (2), a guide wire (4) is also arranged in the expansion tube (1) in a penetrating way, the external connecting tube (5) is communicated with the external sheath tube (2), a push rod (6) is arranged in the external connecting pipe (5), the push rod (6) is connected with the external connecting pipe (5) in a sliding way, one end of the expansion pipe (1) far away from the rubber plug (3) is provided with a first spring pipe (7) in a winding way, and a second spring tube (8) is wound at one end of the outer sheath tube (2) far away from the rubber plug (3).
2. The percutaneous hepatic puncture biliary dilation contrast tube according to claim 1, wherein: the expansion pipe (1) comprises a pipe body (101) and a pipe tip (102), the expansion pipe (1) is a hollow pipe, the pipe body (101) and the pipe tip (102) are of an integrated structure, the pipe tip (102) is a conical tip body from thin to thick, the guide wire (4) penetrates through the expansion pipe (1) and extends out of the pipe tip (102) of the expansion pipe (1), and a first spring pipe (7) is wound on the pipe tip (102) of the expansion pipe (1).
3. The percutaneous hepatic puncture biliary dilation contrast tube according to claim 1, wherein: the push rod (6) comprises a push plug (601), a push pipe (602) and a push handle (603), the push plug (601) is arranged at one end of the push pipe (602), the push handle (603) is arranged at the other end of the push pipe (602), the push plug (601) is a medical soft rubber plug, and a drainage channel (604) which runs through the push plug (601) and the push handle (603) is arranged in the push pipe (602).
4. The percutaneous hepatic puncture biliary dilation contrast tube according to claim 1, wherein: the utility model discloses a Y-shaped sheath pipe, including outer sheath pipe (2), outer sheath pipe (5) are connected with outer pipe (5), outer sheath pipe (2) outside pipe wall slope sets up one and is link up outer pipe (5), outer sheath pipe (5) are luer takeover.
5. The percutaneous hepatic puncture biliary dilation contrast tube according to claim 1, wherein: the first spring tube (7) and the second spring tube (8) are flat wire spring tubes.
6. The percutaneous hepatic puncture biliary dilation contrast tube according to claim 1, wherein: the rubber plug (3) is a medical rubber plug, and a through hole is formed in the rubber plug (3).
7. The percutaneous hepatic puncture biliary dilation contrast tube according to claim 1, wherein: the expansion pipe (1) is a set of expansion pipes with different models, and the models of the expansion pipe (1) are 8F, 10F, 12F, 14F and 16F.
8. The percutaneous hepatic puncture biliary dilation contrast tube according to claim 1, wherein: the external connecting pipe (5) and the external sheath pipe (2) form a Y-shaped medical pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922256854.7U CN211560292U (en) | 2019-12-16 | 2019-12-16 | Percutaneous hepatic puncture biliary dilation radiography tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922256854.7U CN211560292U (en) | 2019-12-16 | 2019-12-16 | Percutaneous hepatic puncture biliary dilation radiography tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211560292U true CN211560292U (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922256854.7U Expired - Fee Related CN211560292U (en) | 2019-12-16 | 2019-12-16 | Percutaneous hepatic puncture biliary dilation radiography tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211560292U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112971935A (en) * | 2021-02-08 | 2021-06-18 | 东莞市南城医院 | Common bile duct radiography puncture needle with extension tube for laparoscope |
| CN113694346A (en) * | 2021-07-05 | 2021-11-26 | 深圳麦普奇医疗科技有限公司 | Percutaneous introducer for percutaneous hepatic puncture biliary drainage treatment |
-
2019
- 2019-12-16 CN CN201922256854.7U patent/CN211560292U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112971935A (en) * | 2021-02-08 | 2021-06-18 | 东莞市南城医院 | Common bile duct radiography puncture needle with extension tube for laparoscope |
| CN113694346A (en) * | 2021-07-05 | 2021-11-26 | 深圳麦普奇医疗科技有限公司 | Percutaneous introducer for percutaneous hepatic puncture biliary drainage treatment |
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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 |
Granted publication date: 20200925 Termination date: 20211216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |