Device for removing biliopancreatic duct broken stone under endoscope

Abstract

The utility model belongs to the field of lithotripsy devices, and particularly relates to a device for removing bile and pancreatic duct lithotripsy under an endoscope, which comprises a catheter and a handle, a support tube is fixedly connected inside the catheter, and a capillary tube is fixedly connected at one end of the support tube outside the catheter. A driving ring is fixedly connected to the end, away from the supporting tube, of the capillary tube, a guide wire is slidably connected to the interior of the supporting tube, an ultrasonic vibration head is fixedly connected to the end, away from the driving ring, of the guide wire, and a frame is fixedly connected to the upper end of the handle. The guide wire, the ultrasonic vibration head, the capillary tube and other structures are additionally arranged on the catheter, when calculus in the bile duct needs to be removed, the calculus in the bile duct can be shattered and refined through the ultrasonic vibration head, then the capillary tube is inserted into the rear portion of the calculus, and the calculus in the bile duct can be removed. And then the calculus is taken out from the interior of the bile duct through the deformed and expanded capillary tube, so that the calculus can be taken out more conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to a broken stone device technical field, specifically for a device for removing gallbladder and pancreatic duct broken stone under endoscope. BACKGROUND

[0002] In the process of operating the gallstone patient, the gallstone of the gallstone patient is easy to enter the inside of the bile duct under the scouring of the bile and needs to be taken out of the bile duct, but the bile duct of most patients cannot be operated conventionally, and the catheter needs to be inserted into the inside of the bile duct to take out the stone under the endoscope, but the catheter taking out stone in the prior art is easy to be blocked by the stone in the bile duct during the insertion of the catheter and cannot be inserted into the rear of the stone, which affects the cleaning of the stone, and the stability of the insertion speed of the catheter is not convenient to control during the insertion of the catheter, and the patient is easy to be hurt when inserted too fast. Therefore, the prior art needs to be improved. SUMMARY

[0003] The utility model discloses a device for removing gallbladder and pancreatic duct broken stone under endoscope, solve the problem that the catheter is inconvenient to insert and the insertion speed is inconvenient to control when taking out the stone.

[0004] To achieve the above object, the utility model provides the following technical scheme: a device for removing gallbladder and pancreatic duct broken stone under endoscope, including catheter and handle, the inside fixedly connected with support pipe of catheter, support pipe is located the one end fixedly connected with capillary tube at the outside of catheter, the one end fixedly connected with drive ring of capillary tube away from support pipe, the inside slidingly connected with guide wire of support pipe, the one end fixedly connected with ultrasonic vibration head of guide wire away from drive ring, the upper end fixedly connected with frame of handle, the inside of frame is provided with clamping mechanism, the upper end of handle is installed with drive wheel through bearing, the positive surface of drive wheel is connected with the outside fixedly connected with big gear of shaft, the upper end fixedly connected with motor of handle, the output shaft outside fixedly connected with pinion of motor.

[0005] Preferably, the number of capillary tubes is multiple, the multiple capillary tubes are evenly distributed between the support pipe and the drive ring, the capillary tubes are made of flexible material, the capillary tubes can deform, and the capillary tubes can form a cover after deformation to scrape out the stones in the bile duct.

[0006] Preferably, the outer side of the drive wheel is wrapped with a rubber layer, the rubber layer of the drive wheel is in contact with the catheter, the pinion is engaged with the big gear, the diameter of the big gear is much larger than the diameter of the pinion, and the pinion needs to rotate multiple turns to drive the big gear to rotate one turn, which can effectively reduce the rotation speed of the big gear.

[0007] Preferably, the clamping mechanism comprises guide rods, the inside of the frame is fixedly connected with two symmetrically distributed guide rods, the outer side of the two guide rods is slidably connected with a wheel support, the lower end of the wheel support is provided with a supporting wheel, the outer side of the guide rod is slidably connected with a pressing frame, the outer side of the guide rod is provided with a spring, the supporting wheel is in contact with the catheter, the upper end of the frame is fixedly connected with an internally threaded pipe, the inside of the internally threaded pipe is threadedly connected with a screw rod, and the screw rod can drive the pressing frame to move through the thread cooperation between the screw rod and the internally threaded pipe.

[0008] Preferably, one end of the spring is fixedly connected with the pressing frame, and the other end of the spring is fixedly connected with the wheel support, so that the spring can exert a pressing force on the wheel support through the elastic force.

[0009] Preferably, the screw rod is connected with the pressing frame through a bearing, the upper end of the screw rod is fixedly connected with a knob, and the internally threaded pipe penetrates the frame, so that the knob can drive the screw rod to rotate.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1、The utility model discloses a catheter is provided with guide wire, ultrasonic vibration head and capillary tube etc.

[0012] 2、The utility model discloses a handle is provided with driving wheel, motor and clamping mechanism etc. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall structure perspective drawing of the utility model;

[0014] Figure 2 It is the partial structure perspective enlarged view of the utility model's Figure 1 ;

[0015] Figure 3 It is the perspective enlarged view of the pressing frame of the utility model's Figure 2 ;

[0016] Figure 4 It is the A department structure enlarged view of the utility model's Figure 2 ;

[0017] In the figure: 1, catheter; 2, handle; 3, support tube; 4, capillary tube; 5, drive ring; 6, guide wire; 7, ultrasonic vibration head; 8, frame; 9, clamping mechanism; 10, drive wheel; 11, large gear; 12, motor; 13, pinion; 91, guide rod; 92, wheel carrier; 93, support wheel; 94, pressing frame; 95, spring; 96, internally threaded tube; 97, screw rod; 98, knob. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to Figure 1 , Figure 2 , Figure 4 , a device for removing gallbladder and pancreatic duct stones under endoscopy, comprising a catheter 1 and a handle 2, the inside of the catheter 1 is fixedly connected with a support tube 3, one end of the support tube 3 outside the catheter 1 is fixedly connected with a capillary tube 4, the end of the capillary tube 4 away from the support tube 3 is fixedly connected with a drive ring 5, the inside of the support tube 3 is slidably connected with a guide wire 6, the end of the guide wire 6 away from the drive ring 5 is fixedly connected with an ultrasonic vibration head 7, the upper end of the handle 2 is fixedly connected with a frame 8, the inside of the frame 8 is provided with a clamping mechanism 9, the upper end of the handle 2 is provided with a drive wheel 10 through a bearing, the front of the drive wheel 10 is fixedly connected with a large gear 11 outside the connecting shaft, the upper end of the handle 2 is fixedly connected with a motor 12, the output shaft of the motor 12 is fixedly connected with a pinion 13 outside.

[0020] Please refer to Figure 1 , Figure 2 , Figure 4 , the number of capillary tubes 4 is multiple, the multiple capillary tubes 4 are evenly distributed between the support tube 3 and the drive ring 5, the capillary tube 4 is made of flexible material, the capillary tube 4 can be deformed, the capillary tube 4 can form a cover after deformation to scrape out the stones inside the bile duct, the outside of the drive wheel 10 is wrapped with a rubber layer, the rubber layer of the drive wheel 10 is in contact with the catheter 1, the pinion 13 is engaged with the large gear 11, the diameter of the large gear 11 is much larger than that of the pinion 13, the pinion 13 needs to rotate multiple rounds to drive the large gear 11 to rotate one round, which can effectively reduce the rotating speed of the large gear 11.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3The clamping mechanism 9 comprises guide rods 91, the inside of the frame 8 is fixedly connected with two symmetrical guide rods 91, the outer sides of the two guide rods 91 are slidably connected with wheel frames 92, the lower ends of the wheel frames 92 are provided with supporting wheels 93, the outer sides of the guide rods 91 are slidably connected with lower pressing frames 94, the outer sides of the guide rods 91 are provided with springs 95, the supporting wheels 93 are in contact with the catheter 1, the upper end of the frame 8 is fixedly connected with an internally threaded pipe 96, the internally threaded pipe 96 is threadedly connected with a screw rod 97, the screw rod 97 can drive the lower pressing frame 94 to move through the thread cooperation between the internally threaded pipe 96, one end of the spring 95 is fixedly connected with the lower pressing frame 94, the other end of the spring 95 is fixedly connected with the wheel frame 92, the spring 95 can exert a downward pressure on the wheel frame 92 through the elastic force, the screw rod 97 is connected with the lower pressing frame 94 through a bearing, the upper end of the screw rod 97 is fixedly connected with a knob 98, the internally threaded pipe 96 penetrates through the frame 8, and the knob 98 can drive the screw rod 97 to rotate.

[0022] In use, the catheter 1 is placed between the driving wheel 10 and the supporting wheel 93, then the knob 98 is rotated, the knob 98 drives the screw rod 97 to rotate, the screw rod 97 drives the lower pressing frame 94 to move through the thread cooperation between the internally threaded pipe 96, the lower pressing frame 94 can compress the spring 95, the spring 95 can push the supporting wheel 93 below the wheel frame 92 to extrude the outer side of the catheter 1 after being compressed and increase the adhesion between the catheter 1 and the driving wheel 10, the friction between the driving wheel 10 and the catheter 1 can be increased, then the motor 12 is started, the motor 12 drives the pinion gear 13 to rotate, the pinion gear 13 drives the driving wheel 10 to rotate through the gear wheel 11, and the driving wheel 10 can drive the catheter 1 to move, and the catheter 1 is inserted into the patient's body in the moving process;

[0023] When the catheter 1 moves in the inside of the bile duct, the ultrasonic vibration head 7 is started, the vibration of the ultrasonic vibration head 7 can crush the stones and refine the stones, so that the ultrasonic vibration head 7 cannot be blocked, when the capillary tube 4 moves to the rear of the stones, the guide wire 6 is pulled, the guide wire 6 drives the ultrasonic vibration head 7 to move, when the ultrasonic vibration head 7 is in contact with the driving ring 5, the capillary tube 4 can be extruded and deformed through the driving ring 5, the capillary tube 4 is deformed after being extruded and can expand in the inside of the bile duct, then the catheter 1 is pulled to the outside of the human body, and the catheter 1 can take the stones in the inside of the bile duct out of the patient's body through the deformed capillary tube 4.

[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An endoscopic device for removing bile and pancreatic duct lithotripsy, comprising a catheter (1) and a handle (2), characterized in that: The interior of the catheter (1) is fixedly connected to a support tube (3), one end of the support tube (3) located outside the catheter (1) is fixedly connected to a capillary tube (4), one end of the capillary tube (4) away from the support tube (3) is fixedly connected to a drive ring (5), the interior of the support tube (3) is slidably connected to a guide wire (6), one end of the guide wire (6) away from the drive ring (5) is fixedly connected to an ultrasonic vibration head (7), the upper end of the handle (2) is fixedly connected to a frame (8), a clamping mechanism (9) is provided inside the frame (8), a drive wheel (10) is mounted on the upper end of the handle (2) through a bearing, a large gear (11) is fixedly connected to the outside of the front connecting shaft of the drive wheel (10), the upper end of the handle (2) is fixedly connected to a motor (12), and a small gear (13) is fixedly connected to the outside of the output shaft of the motor (12).

2. The endoscopic device for removing bile and pancreatic duct lithotripsy according to claim 1, characterized in that: There are multiple capillaries (4), and the multiple capillaries (4) are evenly distributed between the support tube (3) and the drive ring (5). The capillaries (4) are made of flexible material.

3. The endoscopic device for removing bile and pancreatic duct lithotripsy according to claim 1, characterized in that: The outer side of the driving wheel (10) is wrapped with a rubber layer, the rubber layer of the driving wheel (10) is in contact with the conduit (1), the small gear (13) is meshed with the large gear (11), and the diameter of the large gear (11) is much larger than the diameter of the small gear (13).

4. The endoscopic device for removing bile and pancreatic duct lithotripsy according to claim 1, characterized in that: The clamping mechanism (9) includes a guide rod (91), two symmetrically distributed guide rods (91) are fixedly connected to the inside of the frame (8), the outer sides of the two guide rods (91) are slidably connected to wheel frames (92), the lower ends of the wheel frames (92) are installed with support wheels (93), the upper outer sides of the guide rods (91) are slidably connected to a lower pressure frame (94), a spring (95) is provided on the outer side of the guide rods (91), the support wheels (93) are in contact with the conduit (1), the upper end of the frame (8) is fixedly connected to an internal threaded tube (96), and the interior of the internal threaded tube (96) is threadedly connected to a screw rod (97).

5. The endoscopic device for removing bile and pancreatic duct lithotripsy according to claim 4, characterized in that: One end of the spring (95) is fixedly connected to the lower pressing frame (94), and the other end of the spring (95) is fixedly connected to the wheel frame (92).

6. The endoscopic device for removing bile and pancreatic duct lithotripsy according to claim 4, characterized in that: The screw rod (97) is connected to the lower pressing frame (94) via a bearing, the upper end of the screw rod (97) is fixedly connected with a knob (98), and the internal threaded tube (96) passes through the frame (8).

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