Biliary tract brush operation equipment

By designing the collection mechanism and brush assembly of the bile duct brush operating device, the automatic collection and cleaning of stones is realized, solving the problem of stone falling and improving cleaning efficiency and safety.

CN224112724UActive Publication Date: 2026-04-14JIANGSU TAIZHOU PEOPLES HOSPITAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Existing bile duct cleaning devices often cause stones to fall into the bile duct during the cleaning process, resulting in low surgical efficiency and increased risks.

Method used

A bile duct brush operating device was designed, which combines a collection mechanism and a bile duct brush assembly. Through the coordinated use of a collection tank, a suction pipe, and a flushing pipe, the device can automatically collect and clean stones, preventing them from falling out.

Benefits of technology

It improves the efficiency and safety of stone removal, ensuring that stones no longer fall into the bile duct, thus enhancing the efficiency and safety of the procedure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses operation equipment for a biliary tract brush, which relates to the technical field of medical instruments and comprises a choledochoscope body, an operation part is arranged on the choledochoscope body, a choledochoscope tube is connected onto the choledochoscope body, and a liquid suction port is arranged on the choledochoscope body. The collecting mechanism comprises a storage sleeve fixedly installed at the tail end of a choledochoscope tube, a collecting groove is movably installed in the storage sleeve, a sliding plate block is fixedly installed at one end of the collecting groove, a choledochoscope brush assembly is arranged on the sliding plate block, a liquid suction pipeline is connected to the storage sleeve, and a flushing pipeline is fixedly installed on the sliding plate block. A mounting through hole is formed in the middle of the sliding plate, and a flow guide hole is formed in the edge of the sliding plate. According to the biliary tract brush operation equipment, the collection mechanism and the biliary tract brush assembly are used in cooperation, so that cleaned stones can be prevented from falling into the biliary tract, and the stone cleaning efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically a bile duct brush operating device. Background Technology

[0002] Tiny gallstones and necrotic material formed after infection in the bile duct adhere to the inner wall of the bile duct. As the adhesion time increases, these deposits will also cause damage to the inner wall of the bile duct. These substances cannot be removed by using a stone removal basket or flushing with water.

[0003] Publication number CN211433153U discloses a biliary cleaning brush for cholangioscopy, comprising a cannula, a handle connected to one end of the cannula, and an inner liner tube adapted to extend from the other end of the cannula outside the cannula; wherein one end of the inner liner tube penetrates the cannula and extends into the interior of the handle tube, and when the inner liner tube extends in, the interior portion of the handle tube is connected to a push-pull block; a strip-shaped groove is formed on the side wall of the handle tube along its length, adapted for the push-pull block to extend out of the handle tube; the push-pull block is adapted to move along the groove; and soft bristles are evenly distributed on the outer wall of the portion of the inner liner tube adapted to extend out of the cannula away from the handle tube. The above-described biliary cleaning brush for cholangioscopy can clean fine stone particles and necrotic material on the inner wall of the bile duct.

[0004] However, during the process of clearing stones using the aforementioned device, the removed stones often fall into the bile duct. This requires medical staff to use specialized suction equipment to remove those stones that have fallen into the bile duct. This extra step undoubtedly reduces the efficiency of the surgery and may increase its complexity and risks. Summary of the Invention

[0005] The purpose of this invention is to provide a bile duct brush operating device to solve the problem of low cleaning efficiency in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a biliary brush operating device, comprising a biliary endoscope body, an operating part on the biliary endoscope body, a biliary endoscope tube connected to the biliary endoscope body, and a suction port on the biliary endoscope body, characterized in that: a collection mechanism is provided at the end of the biliary endoscope tube, the collection mechanism comprising a storage sleeve fixedly installed at the end of the biliary endoscope tube, a collection groove movably installed inside the storage sleeve, a sliding plate fixedly installed at one end of the collection groove, and a biliary brush assembly provided on the sliding plate.

[0007] Preferably, the receiving sleeve is connected to a liquid suction pipe, the sliding plate is fixedly installed with a rinsing pipe, the sliding plate has an installation through hole in the middle, and the sliding plate has a guide hole at the edge.

[0008] Preferably, the end of the cholangioscope tube is provided with an installation groove, and the storage sleeve is installed at the end of the cholangioscope tube through the installation groove.

[0009] Preferably, one end of the liquid suction pipe is connected to the storage sleeve, and the other end of the liquid suction pipe is connected to the liquid suction port. The collection tank is movably installed in the storage sleeve through a sliding plate. A slot is provided on the sliding plate, and one end of the flushing pipe is fixed to the sliding plate through the slot.

[0010] Preferably, the biliary brush assembly includes a motor sleeve fixedly mounted on a sliding plate, an operating steel wire connected to the motor sleeve, a drive motor fixedly mounted inside the motor sleeve, a drive shaft fixedly mounted at the output end of the drive motor, a biliary brush body fixedly mounted at the output end of the drive shaft, and a return spring provided on one side of the sliding plate.

[0011] Preferably, the output end of the drive motor is provided with a coupling, and the drive shaft is fixedly installed at the output end of the drive motor through the coupling.

[0012] Preferably, the drive shaft passes through the sliding plate via a mounting through hole, the biliary brush body is rotatably mounted in the collection groove via the drive shaft, one end of the reset spring is connected to the bottom of the receiving sleeve, the other end of the reset spring is connected to the sliding plate, the receiving sleeve has a through hole, and the operating wire extends out of the receiving sleeve through the through hole.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. In this application, after the operating wire is released, the return spring will return to its original position, thereby pushing the sliding plate forward. The forward movement of the sliding plate will cause the collection groove and the bile duct brush body to pop out synchronously. The popping out of the bile duct brush body will trigger the start of the drive motor, which will then drive the drive shaft to rotate. The rotation of the drive shaft will drive the bile duct brush body to rotate, thereby cleaning the inner wall of the bile duct.

[0015] 2. In this application, during the cleaning process, cleaning fluid is sprayed through a flushing pipe to flush the removed stones into a collection tank. The stones and cleaning fluid flow into a receiving sleeve through a guide hole in the collection tank, and are then discharged through a suction pipe to prevent the stones from falling back into the bile duct, thereby improving the stone cleaning efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a partial structural schematic diagram of the present invention;

[0018] Figure 3 This is a schematic diagram of the collection mechanism of this utility model;

[0019] Figure 4 This is a schematic diagram of the bile duct brush assembly of this utility model.

[0020] Numbered in the diagram: 1. Cholangioscope tube; 2. Cholangioscope body; 3. Operating section; 4. Suction port; 5. Collection mechanism; 501. Collection tank; 502. Sliding plate; 503. Mounting through hole; 504. Guide hole; 505. Flushing pipe; 506. Suction pipe; 507. Storage sleeve; 6. Bile brush assembly; 601. Return spring; 602. Operating wire; 603. Motor sleeve; 604. Drive motor; 605. Drive shaft; 606. Bile brush body. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figure 1 and Figure 2 As shown, this utility model provides a technical solution for a bile duct brush operating device, including a choledochoscope body 2, an operating part 3 on the choledochoscope body 2, a choledochoscope tube 1 connected to the choledochoscope body 2, a suction port 4 on the choledochoscope body 2, a collection mechanism 5 at the end of the choledochoscope tube 1, and a bile duct brush assembly 6 on a sliding plate 502. Through the close cooperation between the carefully designed collection mechanism 5 and the bile duct brush assembly 6, the accidental falling of stone fragments generated during the cleaning process into the bile duct can be effectively prevented, thereby significantly improving the efficiency and safety of stone cleaning.

[0023] like Figure 2 and Figure 3 As shown, the collection mechanism 5 includes a storage sleeve 507 fixedly installed at the end of the cholangioscope tube 1. A collection groove 501 is movably installed inside the storage sleeve 507. A sliding plate 502 is fixedly installed at one end of the collection groove 501. A suction pipe 506 is connected to the storage sleeve 507. A flushing pipe 505 is fixedly installed on the sliding plate 502. An installation through hole 503 is opened in the middle of the sliding plate 502. A guide hole 504 is opened at the edge of the sliding plate 502. An installation groove is opened at the end of the cholangioscope tube 1. The storage sleeve 507 is installed at the end of the cholangioscope tube 1 through the installation groove.

[0024] Specifically, during the cleaning process, cleaning fluid can be sprayed through the flushing pipe 505, effectively flushing the stones off their attachment sites. The removed stones are then flushed into the collection tank 501 along with the cleaning fluid. The collection tank 501 temporarily stores the stones and cleaning fluid, which flow into the receiving sleeve 507 through the guide hole 504. Once the stones and cleaning fluid have entered the receiving sleeve 507, they can be discharged through the suction pipe 506. This process not only prevents the removed stones from accidentally falling back into the bile duct but also greatly improves the efficiency of stone removal, ensuring a smooth and safe cleaning process.

[0025] like Figure 2 and Figure 4 As shown, the biliary brush assembly 6 includes a motor sleeve 603 fixedly mounted on a sliding plate 502. An operating steel wire 602 is connected to the motor sleeve 603. A drive motor 604 is fixedly mounted inside the motor sleeve 603. A drive shaft 605 is fixedly mounted at the output end of the drive motor 604. A biliary brush body 606 is fixedly mounted at the output end of the drive shaft 605. A return spring 601 is provided on one side of the sliding plate 502. A coupling is provided at the output end of the drive motor 604. The drive shaft 605 is fixedly mounted to the output end of the drive motor 604 through the coupling.

[0026] Specifically, when the operating wire 602 is released, the return spring 601 immediately performs its reset function, which causes the sliding plate 502 to move forward. As the sliding plate 502 moves forward, the collection groove 501 and the bile duct brush body 606 pop out together. Once the bile duct brush body 606 pops out, the drive motor 604 is activated. Once the drive motor 604 is started, it will drive the drive shaft 605 to start rotating. The rotation of the drive shaft 605 will further drive the bile duct brush body 606 to rotate together, thus effectively cleaning the inner wall of the bile duct.

[0027] Working principle: In use, first insert the bile duct brush body 606 into the bile duct. Then, release the operating wire 602. Releasing the operating wire 602 will reset the return spring 601, causing the sliding plate 502 to move forward. After the sliding plate 502 moves forward, the collecting groove 501 and the bile duct brush body 606 will pop out together. After the bile duct brush body 606 pops out, the drive motor 604 can be started. Starting the drive motor 604 will drive the drive shaft 605 to rotate. The rotation of the drive shaft 605 will then drive the bile duct brush body 606 to rotate, thereby cleaning the inner wall of the bile duct. During the cleaning process, the flushing pipe 505 can be used. The cleaning fluid is sprayed out, which washes the cleaned stones into the collection tank 501. The stones and cleaning fluid in the collection tank 501 flow into the receiving sleeve 507 through the guide hole 504. After the stones and cleaning fluid flow into the receiving sleeve 507, they can be discharged through the suction pipe 506, which improves the efficiency of cleaning stones. After the stones are cleaned, the drive motor 604 can be stopped. After the drive motor 604 is stopped, the operating wire 602 can be pulled back. After the operating wire 602 is pulled back, the sliding plate 502 will move into the receiving sleeve 507, so that the collection tank 501 and the bile duct brush body 606 retract into the receiving sleeve 507.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A biliary brush operating device, comprising a biliary endoscope body (2), wherein an operating part (3) is provided on the biliary endoscope body (2), a biliary endoscope tube (1) is connected to the biliary endoscope body (2), and a suction port (4) is provided on the biliary endoscope body (2), characterized in that: The end of the cholangioscope tube (1) is provided with a collection mechanism (5). The collection mechanism (5) includes a storage sleeve (507) fixedly installed at the end of the cholangioscope tube (1). A collection groove (501) is movably installed inside the storage sleeve (507). A sliding plate (502) is fixedly installed at one end of the collection groove (501). A biliary brush assembly (6) is provided on the sliding plate (502).

2. The biliary brush operating device according to claim 1, characterized in that: The storage sleeve (507) is connected to a liquid suction pipe (506), the sliding plate (502) is fixedly installed with a flushing pipe (505), the sliding plate (502) has an installation through hole (503) in the middle, and the sliding plate (502) has a guide hole (504) at the edge.

3. The biliary brush operating device according to claim 2, characterized in that: The end of the cholangioscope tube (1) is provided with an installation groove, and the storage sleeve (507) is installed at the end of the cholangioscope tube (1) through the installation groove.

4. The biliary brush operating device according to claim 3, characterized in that: One end of the liquid suction pipe (506) is connected to the storage sleeve (507), and the other end of the liquid suction pipe (506) is connected to the liquid suction port (4). The collection tank (501) is movably installed in the storage sleeve (507) through the sliding plate (502). The sliding plate (502) has a slot. One end of the flushing pipe (505) is fixed on the sliding plate (502) through the slot.

5. The biliary brush operating device according to claim 4, characterized in that: The biliary brush assembly (6) includes a motor sleeve (603) fixedly mounted on a sliding plate (502), an operating wire (602) connected to the motor sleeve (603), a drive motor (604) fixedly mounted inside the motor sleeve (603), a drive shaft (605) fixedly mounted at the output end of the drive motor (604), a biliary brush body (606) fixedly mounted at the output end of the drive shaft (605), and a return spring (601) provided on one side of the sliding plate (502).

6. The biliary brush operating device according to claim 5, characterized in that: The output end of the drive motor (604) is provided with a coupling, and the drive shaft (605) is fixedly installed at the output end of the drive motor (604) through the coupling.

7. The biliary brush operating device according to claim 6, characterized in that: The drive shaft (605) passes through the sliding plate (502) through the mounting through hole (503). The biliary brush body (606) is rotatably mounted in the collection groove (501) through the drive shaft (605). One end of the reset spring (601) is connected to the bottom of the storage sleeve (507), and the other end of the reset spring (601) is connected to the sliding plate (502). The storage sleeve (507) has a through hole, and the operating wire (602) extends out of the storage sleeve (507) through the through hole.

Citation Information

Patent Citations

  • Disclosed is biliary tract cleaning brush for choledochoscope

    CN211433153U