CN217186311U

CN217186311U - Double-balloon stone-pushing catheter for common bile duct

Info

Publication number: CN217186311U
Application number: CN202220232687.1U
Authority: CN
Inventors: 朱军; 肖国; 王强; 岳泉吉; 陈尧勇; 徐晓茜; 韦茂; 梁杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-08-16
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a common bile duct double-balloon pushes away stone pipe, including inlayer pipe and sacculus I, the upper end of inlayer pipe is connected with sacculus two, and the top of sacculus two is connected with first connecting pipe, sacculus I sets up in the upper end of first connecting pipe, the outside of inlayer pipe is provided with outer pipe, and the upper end of outer pipe is connected with first extension layer. This two sacculus of common bile duct push away stone pipe sacculus two is fusiformis, its maximum diameter is 2cm after the expansion, when promoting the common bile duct calculus, sacculus two can play the effect of separation, prevent when slowly promoting the common bile duct calculus, common bile duct calculus still leaves behind in the common bile duct, sacculus one is the ball shape, its maximum diameter is 2.5cm after the expansion, sacculus one can cooperate sacculus two, the interval is 2cm between it, two sacculus are after the water injection inflation, can be with the restriction of common bile duct calculus between the two, thereby slowly push the intestinal with the common bile duct calculus, remove the biliary tract obstruction that the calculus caused.

Description

Double-balloon stone-pushing catheter for common bile duct

Technical Field

The utility model relates to the field of medical treatment, specifically be common bile duct double balloon pushes away stone pipe.

Background

The common choledocholithiasis is a common frequently-encountered disease in clinic at present, when many patients suffer from the disease, the pain of the upper abdomen is repeated, the poor appetite is mistaken to be a stomach-related disease and delayed treatment, the disease is treated only when the disease is obviously aggravated, the choledocholithiasis may have fallen into the common choledocholithiasis to cause the biliary obstruction and even induce the acute pancreatitis, and the PTCD puncture drainage is usually needed to relieve the symptom, so the interventional minimally invasive treatment method is considered, the technology is feasible, the method is safe and effective, the method can be implemented under local anesthesia, and the method is an effective minimally invasive treatment method for the choledocholithiasis, and is particularly suitable for the patients with the common choledocholithiasis, who have advanced age, have multiple basic diseases, have poor cardiopulmonary function, cannot tolerate general anesthesia, or have no proper path for a Billroth II (II) type postoperative endoscope.

The cholecystolithiasis catheter in the market has the problem that only a single balloon is provided, and the cholecystolithiasis catheter is inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a common bile duct double-balloon pushes away stone pipe to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a double-balloon stone-pushing catheter for a common bile duct comprises an inner-layer catheter and a first balloon, wherein the upper end of the inner-layer catheter is connected with a second balloon, a first connecting pipe is connected above the second balloon, the first balloon is arranged at the upper end of the first connecting pipe, an outer-layer catheter is arranged outside the inner-layer catheter, a first extension layer is connected at the upper end of the outer-layer catheter, an auxiliary pipe is connected at the upper end of the first extension layer, a first side hole is formed in the outer part of the auxiliary pipe, a second extension layer is connected at the upper end of the auxiliary pipe, an end pipe fitting is arranged above the second extension layer, a second side hole is formed in the outer part of the end pipe fitting, a guide wire is arranged above the second side hole, a double-end connecting piece is arranged above the right side of the outer-layer catheter, a second connecting pipe is arranged below the first connecting pipe, and a flow channel is connected at the right side of the second connecting pipe, the middle part of the two side circulation channels is provided with a middle communicating pipe, and the outer parts of the two side circulation channels are provided with rotating parts.

Preferably, the second balloon is in a fusiform shape, and the maximum diameter of the second balloon is 2 cm.

Preferably, the first balloon is spherical in shape, and the maximum diameter of the first balloon is 2.5 cm.

Preferably, the distance between the second balloon and the first balloon is 2cm, and the second balloon and the first balloon are overlapped with each other in a vertical central axis.

Preferably, the first side hole and the second side hole have the same aperture, and the first side hole and the second side hole are respectively arranged in two groups symmetrically about the vertical middle axis of the outer layer catheter.

Preferably, the outside of double-end connecting piece is provided with and is used for supplementary extruded auxiliary assembly, and auxiliary assembly includes spacing ring, syringe, connecting piece and control, the upper left side of spacing ring is provided with the syringe, and the externally mounted of syringe has the connecting piece, the surface mounting of connecting piece lower extreme has the control.

Preferably, the longitudinal central axes of the syringe and the connecting piece are coincident, and the connecting piece is arched.

The utility model provides a common bile duct double-balloon pushes away stone pipe possesses following beneficial effect: this two sacculus of common bile duct push away stone pipe, through being provided with sacculus two and sacculus one, make the calculus be located back between the two sacculus, carry out the water injection to the sacculus, in poroid common bile duct, carry on spacingly to the calculus, make it keep between the sacculus, push it to the intestinal in, the biliary tract that the calculus arrived is relieved and is blocked, this operation risk is little, and reduces the danger that damages common bile duct, auxiliary assembly is used for when propelling the contrast medium, the volume of pushing in of being convenient for control.

1. The utility model discloses a sacculus two is fusiformis, its maximum diameter is 2cm after the expansion, when promoting the common bile duct calculus, sacculus two can play the effect of separation, prevent when slowly promoting the common bile duct calculus, the common bile duct calculus still remains in the common bile duct, sacculus one is the ball shape, its maximum diameter is 2.5cm after the expansion, sacculus one can cooperate sacculus two, the interval is 2cm between it, sacculus two is through second pipe to its inside water injection, make its inflation, sacculus one is through first connecting pipe to its inside water injection messenger's collision, the rotating member is installed in the outside of inner conduit and outer pipe, its inside is provided with both sides circulation channel and middle part circulation channel, through rotatory, make both sides circulation channel and first connecting pipe and second connecting pipe communicate, then can carry out the water injection to two sacculus simultaneously, if make middle part circulation channel and first connecting pipe or second connecting pipe communicate, thereby can control the inflation of sacculus two or sacculus one wantonly, the rotating member is inside, the outside of flow path is provided with annular through groove to can not influence the unblocked of outer pipe, two sacculus can restrict common bile duct calculus between the two after the water injection inflation, thereby push the common bile duct calculus slowly into the intestinal, relieve the biliary tract that the calculus caused and hinder.

2. The utility model discloses an outer wall at the auxiliary tube is seted up to first side opening, and the outer wall at the tip pipe fitting is seted up to the second side opening, thereby makes the contrast medium get into the common bile duct condition through first side opening and tip pipe fitting through outer pipe, sacculus filling condition and calculus position, the follow-up operation to the common bile duct calculus through two sacculus of being convenient for.

3. The utility model discloses an injector passes through the rotation to be installed in the left side junction of double-end connecting piece, and the inside contrast medium that is equipped with of injector, when needing to learn the inside situation of common bile duct, through the injection volume of the better control contrast medium of injector ability, and install the spacing ring at the front end of double-end connecting piece, the better control of the doctor of being convenient for, the top at the impeller of injector is installed to the connecting piece, it can make the injector inject the contrast medium through the control to doctorse and nurses, it is uncomfortable to reduce the hand.

Drawings

Fig. 1 is a schematic view of the structure of the choledochus double-balloon stone-pushing catheter of the present invention;

fig. 2 is a schematic view of a balloon three-dimensional structure of the common bile duct double-balloon stone-pushing catheter of the utility model;

fig. 3 is a schematic view of the auxiliary assembly of the choledochus double-balloon stone-pushing catheter of the present invention;

fig. 4 is an enlarged schematic structural view of the position a in fig. 1 of the choledochus double-balloon stone-pushing catheter of the present invention.

In the figure: 1. an inner conduit; 2. a second balloon; 3. a first connecting pipe; 4. a first balloon; 5. an outer conduit; 6. a first ductile layer; 7. an auxiliary tube; 8. a first side hole; 9. a second ductile layer; 10. an end fitting; 11. a second side hole; 12. a guide wire; 13. a double-ended connector; 14. an auxiliary component; 1401. a limiting ring; 1402. an injector; 1403. a connecting member; 1404. a control member; 15. a second connecting pipe; 16. two side flow channels; 17. a middle communicating pipe; 18. a rotating member.

Detailed Description

As shown in fig. 1 and 2, the common bile duct double-balloon stone-pushing catheter comprises an inner-layer catheter 1 and a balloon I4, wherein the upper end of the inner-layer catheter 1 is connected with a balloon II 2, the shape of the balloon II 2 is fusiform, the maximum diameter of the balloon II 2 is 2cm, the distance between the balloon II 2 and the balloon I4 is 2cm, the vertical central axes of the balloon II 2 and the balloon I4 are coincident, the balloon II 2 is fusiform, the maximum diameter of the balloon II 2 is 2cm after expansion, when the common bile duct stone is pushed, the balloon II 2 can play a role of blocking, the common bile duct stone is prevented from remaining in the common bile duct when the common bile duct stone is pushed slowly, a first connecting pipe 3 is connected above the balloon II 2, the shape of the balloon I4 is spherical, the maximum diameter of the balloon I4 is 2.5cm, the balloon I4 is spherical, the maximum diameter of the balloon I4 is 2.5cm after expansion, the balloon I4 can be matched with the balloon II 2, the space between the two balloons is 2cm, the second balloon 2 injects water into the inner part of the balloon through the second catheter 15 to expand the balloon, the first balloon 4 injects water into the inner part of the balloon through the first connecting pipe 3 to collide the inner part of the balloon, the rotating part 18 is arranged outside the inner-layer catheter 1 and the outer-layer catheter 5, the two side flow channels 16 and the middle flow channel 17 are arranged in the rotating part, the two side flow channels 16 are communicated with the first connecting pipe 3 and the second connecting pipe 15 through rotation, the two balloons can be injected with water simultaneously, if the middle flow channel 17 is communicated with the first connecting pipe 3 or the second connecting pipe 15, the expansion of the second balloon 2 or the first balloon 4 can be controlled randomly, the annular through grooves are arranged inside the rotating part 18 and outside the flow channel 16, the smoothness of the outer-layer catheter 5 cannot be influenced, the common bile duct stones can be limited between the two balloons after the water injection and the expansion, so that the common bile duct stones can be pushed into the intestinal tract slowly, the biliary tract obstruction caused by calculus is relieved, the first balloon 4 is arranged at the upper end of the first connecting pipe 3, the outer layer catheter 5 is arranged outside the inner layer catheter 1, the upper end of the outer layer catheter 5 is connected with a first extension layer 6, the upper end of the first extension layer 6 is connected with an auxiliary pipe 7, a first side hole 8 is formed outside the auxiliary pipe 7, the first side hole 8 and a second side hole 11 are consistent in aperture, two groups of the first side hole 8 and the second side hole 11 are symmetrically arranged about a vertical central axis of the outer layer catheter 5 respectively, the first side hole 8 is formed in the outer wall of the auxiliary pipe 7, the second side hole 11 is formed in the outer wall of the end pipe fitting 10, contrast agent enters the common bile duct through the first side hole 8 and the end pipe fitting 10 through the outer layer catheter 5 so as to observe the common bile duct condition, the balloon filling condition and the calculus position, the subsequent operation on the common bile duct calculus through the two balloons is facilitated, the upper end of the auxiliary pipe 7 is connected with a second extension layer 9, and an end pipe fitting 10 is installed above the second extension layer 9, a second side hole 11 is formed in the outer portion of the end pipe fitting 10, a guide wire 12 is arranged above the second side hole 11, and a double-end connecting piece 13 is arranged above the right side of the outer-layer conduit 5.

As shown in fig. 3 and 4, an auxiliary assembly 14 for assisting extrusion is arranged outside the double-head connecting piece 13, the auxiliary assembly 14 comprises a limit ring 1401, an injector 1402, a connecting piece 1403 and a control piece 1404, the injector 1402 is arranged on the left upper side of the limit ring 1401, the longitudinal central axes of the injector 1402 and the connecting piece 1403 are coincident, the connecting piece 1403 is in an arch shape, the injector 1402 is rotatably mounted at the left side joint of the double-head connecting piece 13, contrast medium is filled in the injector 1402, when the internal condition of the common bile duct is required to be known, the injection amount of the contrast medium can be better controlled by the injector 1402, the limit ring 1401 is mounted at the front end of the double-head connecting piece 13, so that a doctor can better control the piece, the connecting piece 1403 is mounted at the top of the injector 1402, medical care can inject the contrast medium by the injector 1402 through the control piece 1404, and prevent the hand from being too large, discomfort is caused and a connection member 1403 is installed at the outside of the syringe 1402, a control member 1404 is installed on the surface of the lower end of the connection member 1403, a second connection pipe 15 is provided below the first connection pipe 3, and a flow passage 16 is connected to the right side of the second connection pipe 15, and a rotation member 18 is provided at the outside of the flow passage 16.

In conclusion, after the choledochus double-balloon stone-pushing catheter is punctured into a bile duct through a percutaneous liver, a guide wire 12 enters the choledochus and a calculus part is determined, then the double-layer catheter is followed, the inner-layer catheter 1 is used for water injection expansion of the balloon, the outer-layer catheter 5 is used for injection of a contrast medium, a double-head connecting piece 13 is placed on a hand for medical care, a middle finger penetrates through a limiting ring 1401, a control piece 1404 is pressed downwards by a thumb to enable a syringe 1402 to inject a proper amount of the contrast medium through the double-head connecting piece 13 and the outer-layer catheter 5, a dial indicator is arranged on the syringe 1402 to better control the injection amount, the outer-layer catheter 5 is connected with an auxiliary tube 7 through a first extension layer 6 and then connected with a second extension layer 9 and an end pipe fitting 10, the contrast medium can enter the choledochus from a first side hole 8 on the auxiliary tube 7 and a second side hole 11 on the end fitting 10 so as to observe the condition of the choledochus, the balloon filling condition and the calculus part enable calculus to be located between a balloon II 2 and a balloon I4, the distance between the balloon II 2 and the balloon I4 is 2cm, the balloon II 2 injects water into the balloon II through a second conduit 15 to enable the balloon II to be expanded, the balloon I4 injects water into the balloon I through a first connecting pipe 3 to enable the balloon I to collide, a rotating part 18 is installed outside an inner-layer conduit 1 and an outer-layer conduit 5, through rotation, two side flow channels 16 are communicated with the first connecting pipe 3 and the second connecting pipe 15, water can be injected into the two balloons simultaneously, if a middle flow channel 17 is communicated with the first connecting pipe 3 or the second connecting pipe 15, the expansion of the balloon II 2 or the balloon I4 can be controlled randomly, annular through grooves are formed in the rotating part 18 and outside the flow channel 16, the smoothness of the outer-layer conduit 5 cannot be influenced, after the two balloons are injected with water, the maximum diameter of the balloon II 2 is 2cm, the one 4 maximum diameter of sacculus is 2.5cm, expands common bile duct through sacculus two 2 and sacculus 4 water injection inflation back, slowly pushes the calculus into the intestinal afterwards, removes the biliary tract obstruction that the calculus caused to block to can settle the PTCD drainage simultaneously, do not increase clinical operation number of times and the at utmost reduction risk to the patient, and the two sacculus of adoption can reduce the calculus and impel the structural damage condition such as common bile duct that probably causes in-process, do benefit to more and push the calculus into the intestinal.

Claims

1. Double-balloon stone-pushing catheter for choledochus, which comprises an inner catheter (1) and a balloon (4), and is characterized in that the upper end of the inner catheter (1) is connected with a balloon (2), a first connecting pipe (3) is arranged inside the inner catheter (1), the balloon (4) is arranged on the upper end of the first connecting pipe (3), an outer catheter (5) is arranged outside the inner catheter (1), a first extension layer (6) is connected to the upper end of the outer catheter (5), an auxiliary pipe (7) is connected to the upper end of the first extension layer (6), a first side hole (8) is formed in the outer part of the auxiliary pipe (7), a second extension layer (9) is connected to the upper end of the auxiliary pipe (7), a end pipe fitting (10) is installed above the second extension layer (9), a second side hole (11) is formed in the outer part of the end pipe fitting (10), and the top of second side opening (11) is provided with seal wire (12), the top on outer pipe (5) right side is provided with double-end connecting piece (13), the below of first connecting pipe (3) is provided with second connecting pipe (15), and the right side of second connecting pipe (15) is connected with both sides and says that (16), the middle part that both sides said to say (16) is provided with middle part communicating pipe (17), and the outside that both sides said to say (16) is provided with rotating member (18).

2. The choledochus double-balloon stone-pushing catheter according to claim 1, wherein the shape of the balloon II (2) is a shuttle shape, and the maximum diameter of the balloon II (2) is 2 cm.

3. The choledochus double-balloon stone pushing catheter as claimed in claim 1, wherein the shape of the balloon I (4) is a spherical ball, and the maximum diameter of the balloon I (4) is 2.5 cm.

4. The common bile duct double-balloon stone-pushing catheter as claimed in claim 1, wherein the distance between the second balloon (2) and the first balloon (4) is 2cm, and the vertical central axes of the second balloon (2) and the first balloon (4) are coincident.

5. The choledochus double-balloon stone pushing catheter as claimed in claim 1, wherein the first side holes (8) and the second side holes (11) are identical in aperture, and the first side holes (8) and the second side holes (11) are respectively arranged in two groups symmetrically about a vertical central axis of the outer catheter (5).

6. The choledochus double-balloon stone pushing catheter according to claim 1, wherein an auxiliary assembly (14) for assisting extrusion is arranged outside the double-head connecting piece (13), the auxiliary assembly (14) comprises a limiting ring (1401), an injector (1402), a connecting piece (1403) and a control piece (1404), the injector (1402) is arranged on the upper left side of the limiting ring (1401), the connecting piece (1403) is installed outside the injector (1402), and the control piece (1404) is installed on the surface of the lower end of the connecting piece (1403).

7. The choledochus double-balloon lithotomy catheter according to claim 6, wherein the longitudinal central axes of the syringe (1402) and the connecting member (1403) coincide, and the connecting member (1403) is arched.