CN215384412U

CN215384412U - Stone breaking and taking device

Info

Publication number: CN215384412U
Application number: CN202121945950.3U
Authority: CN
Inventors: 陈永刚; 洪良杰
Original assignee: Hangzhouready Biological Technology Co ltd
Current assignee: Hangzhouready Biological Technology Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-01-04
Anticipated expiration: 2031-08-17

Abstract

The utility model relates to the field of medical instruments, in particular to a stone breaking and taking device. The existing medical apparatus has the problems of scratching human body, falling off of calculus and the like in use. Aiming at the problems, the utility model provides a stone breaking and taking device which comprises an outer sheath tube, wherein a removable inner sheath tube penetrates through the outer sheath tube, a stone breaking mechanism for grabbing and breaking stones is arranged at the front end of the inner sheath tube, the stone breaking mechanism comprises a multi-arm gripper capable of grabbing stones and a drill bit for breaking stones, a neutral position for grabbing stones is formed in the middle of the multi-arm gripper, the drill bit can extend out of the broken stones from the rear of the multi-arm gripper forwards, and the rear end of the inner sheath tube is provided with a gripper switch capable of controlling the multi-arm gripper to move telescopically and open and close relative to the inner sheath tube and an electric drill host for driving the drill bit to work. The utility model enters the gall bladder through the outer sheath tube in a retrograde bile duct to take out the calculus, the natural cavity of the human body cannot be scratched in the calculus taking process, the calculus cannot fall off in the calculus removing process, the calculus is taken after entering the human body once, the pain of a patient is less, and the postoperative rehabilitation is quick.

Description

Stone breaking and taking device

Technical Field

The utility model relates to the field of medical instruments, in particular to a stone breaking and taking device.

Background

Gallstones are diseases of stones in a biliary tract system including gall bladder or bile duct, the conventional common method for dealing with the stones is laser smashing and removing, most of the broken stones can be automatically discharged through a human body, and a small amount of small broken stones can be scattered in the wall of the bile duct and are difficult to be automatically discharged. Coping little rubble common mode takes out after for getting the stone basket, basket pocket live the rubble, gets the possible fish tail bile duct wall of stone process, simultaneously because the material of basket is comparatively soft, joint strength is relatively poor, hardly holds massive calculus, also drops the calculus in small crumbles easily simultaneously, and the basket use restriction is many and more troublesome. Other stone taking operations such as water flushing, forceps, stone taking forceps and the like not only have long operation time, but also easily cause the fragmentation of stones, incomplete removal and even stone taking failure, increase the pain of patients and influence the health of the patients.

For medical researchers, the researchers hope to obtain the calculus sample of the patient to study the cause of the gallstone through statistical analysis, and there are two methods for obtaining the gallstone: 1. in the common cholelithiasis taking operation by combining the duodenoscope and the laparoscope, a cholelithiasis is taken out by using a cholelithiasis taking net on the duodenoscope and is placed in a duodenum, and a patient after operation naturally defecates and discharges the cholelithiasis together with food through a digestive tract by eating the cholelithiasis, so that the cholelithiasis of the patient needs to be obtained by special picking, filtering and cleaning, and doctors and the patient have strong conflict psychology; 2. the calculus removing net on the duodenoscope is used for clamping gallstones in an operation, the gallstones are integrally pulled out after passing through duodenum, stomach and oral cavity, the calculus removing net can scratch the wall of the digestive tract of a human body and even cause infection, the calculus removing net is easy to damage or distort in the integral pulling-out process to cause the gallstones to fall off, only one gallstone can be carried out after the calculus removing net is pulled out once, the duodenoscope needs to be inserted into a patient with multiple gallstones for pulling out, and the pain of the patient can be increased after the calculus removing net is pulled out for multiple times.

SUMMERY OF THE UTILITY MODEL

The utility model provides a calculus smashing and taking device, aiming at solving the technical problems of calculus taking of the existing basket and the calculus taking net, the device can be used for retrograde bile duct entering a gall bladder to take out calculus, the natural cavity of a human body cannot be scratched in the calculus taking process, the calculus cannot fall off in the removing process, the whole calculus taking process only needs one intubation retrograde bile duct sending into the human body, the pain of a patient is less, and postoperative rehabilitation is accelerated.

The technical scheme adopted by the utility model for solving the technical problem is as follows: a lithotripsy and lithotomy device comprises an outer sheath tube which can be extended into a body, wherein one end of the outer sheath tube which is extended into the body is a far end of the outer sheath tube, one end of the outer sheath tube which is out of the body is a near end of the outer sheath tube, the far end and the near end of the outer sheath tube are both provided with openings, it is characterized in that a removable inner sheath tube is arranged in the outer sheath tube in a penetrating way, the inner sheath tube can penetrate through the opening at the near end of the outer sheath tube and then extend out of the opening at the far end of the outer sheath tube, the front end of the inner sheath tube is provided with a stone breaking mechanism for catching and breaking stones, the stone breaking mechanism comprises a multi-arm gripper capable of gripping stones and a drill bit for breaking stones, a neutral position for gripping stones is formed in the middle of the multi-arm gripper, the drill bit can extend out of broken stones from the rear of the multi-arm gripper in the forward direction, a gripper switch capable of controlling the multi-arm gripper to move relative to the inner sheath tube in a telescopic mode and to open and close and an electric drill host capable of driving the drill bit to work are arranged at the rear end of the inner sheath tube, and a starting switch is arranged on the electric drill host. The utility model sends the outer sheath tube to the gall bladder of a patient along the bile duct in a retrograde manner through a clinical enteroscope, establishes a passage for sending the stone into equipment for subsequent grabbing and crushing of the stone, then grabs the stone by using a multi-arm gripper, then crushes the stone by using a crushing drill of an electric drill, crushes large stones, grabs the crushed stones into small blocks by adjusting the multi-arm gripper, and moves the small stones out of the body along the outer sheath tube. The device establishes a channel for feeding the calculus into the human body by virtue of the outer sheath tube, the whole calculus removing process is only performed by one-time intubation on the human body, and the subsequent calculus treatment is completed by virtue of the outer sheath tube, so that the patient suffers little pain; the path of the calculus taking is the outer sheath tube, so that no calculus is exposed to scratch the natural orifice of the human body outside the outer sheath tube; larger stones are broken into small fragments by the drill bit and then are grabbed by the multi-arm gripper to be moved out, the stones taken out through the outer sheath tube are convenient and complete, the subsequent research and analysis on the taken stones are facilitated, the advice that doctors reasonably improve diet and living habits for patients becomes possible, and the possibility that the patients continue to generate stones in the future is reduced. The stone-breaking drill bit, which is known from the state of the art in dental power tools, can use a ball drill bit, which cuts the worn stone by means of a rotary motion.

As a further improvement and supplement to the above technical solution, the present invention adopts the following technical measures: the stone device is got to rubble still includes removable string bag, establishes the seal wire on the string bag, the string bag can insert outer sheath pipe near-end opening and pass outer sheath pipe and stretch out from outer sheath pipe distal end opening, and when the string bag stretched out outer sheath pipe distal end opening the seal wire tail end stretches out outside outer sheath pipe near-end opening. The removable string bag with the guide wire is used for containing the particle calculus which is crushed into small blocks, the string bag is sent into the outer sheath tube and recovered along the outer sheath tube respectively by pushing and pulling the guide wire, the string bag also moves along the outer sheath tube to be recovered after the calculus is obtained, the calculus obtaining path is also carried out in the outer sheath tube, and the risk that the calculus is exposed and scratches the natural cavity and tract of a human body is avoided; the broken single small stone can not break the net bag due to overlarge and overweight. In use, the inner sheath tube and the electric drill host are removed from the outer sheath tube, and then the inner sheath tube and the electric drill host are replaced by the tuck net to be sent into the outer sheath tube, the tuck net extends out from the far end of the outer sheath tube to contain the broken stone fragments, and then the tuck net returns to the outside of the body along the original path of the outer sheath tube.

The multi-arm gripper is formed by enclosing 4-5 movable single claws which are arranged in a surrounding mode, and the single claws can move in a telescopic mode relative to the inner sheath pipe and move in an opening and closing mode; the drill bit can be driven by the electric drill host machine to rotate and cut stones clamped by the multi-arm gripper at the neutral position in the middle of the multi-arm gripper. The multi-arm gripper is formed by enclosing 4-5 movable single claws, the single claws can synchronously move telescopically relative to the inner sheath tube and perform opening and closing actions to grip large stones, the telescopic movement enables the single claws to be close to the stones, and the opening and closing actions enable the single claws to cooperatively grip and fix the stones; after the multi-arm gripper grabs the calculus, the drill bit rubs the calculus in a rotating mode at a neutral position in the middle of the multi-arm gripper to cut the calculus, so that the calculus is split into a plurality of small blocks from a large block.

The drill bit is in the shape of an olive with two small ends and a large middle part, and the drill bit and the position contacting with the calculus are large-diameter sections in the middle of the olive shape. The drill bit is olive-shaped, the thickest middle section of the olive shape is used for cutting broken stones, the cutting effect on the broken stones is good, and the breaking force is large.

The lithotripsy and lithotomy device also comprises a removable flushing pipe, wherein the flushing pipe can be inserted into the proximal opening of the outer sheath pipe and extends out through the distal opening of the outer sheath pipe, the front end of the flushing pipe is provided with a flushing liquid spraying port, and the rear end of the flushing pipe is connected with a flushing liquid supply source. After the inner sheath tube is removed, the washing tube can be replaced to be inserted into the outer sheath tube, when the front end of the washing tube extends out of the distal end opening of the outer sheath tube, as long as washing liquid is supplied to the rear end of the washing tube, a washing liquid spraying opening can wash and clean the interior of the gallbladder, and fine fragments generated by crushing stones can pass through a gap between the outer sheath tube and the washing tube and are discharged out of the body through the outer sheath tube, so that the fragments are prevented from staying in the gallbladder to form new stones again.

The utility model can reversely move the bile duct into the gall bladder to take out the calculus, the natural cavity of the human body cannot be scratched in the calculus taking process, the calculus cannot fall off in the calculus removing process, the sheath tube only needs to be sent into the body once in the whole calculus taking process, the pain of a patient is less, and the utility model is beneficial to accelerating the health recovery after the operation.

Drawings

FIG. 1: the multi-arm gripper of the present invention is illustrated.

FIG. 2: the utility model is a schematic overall structure.

FIG. 3: the utility model relates to a schematic diagram of a net bag.

FIG. 4: the flush tube of the present invention is illustrated schematically.

In the figure: 1. the multi-arm drill comprises an outer sheath pipe 2, an inner sheath pipe 3, a multi-arm gripper 31, a first single claw 32, a second single claw 33, a third single claw 34, a fourth single claw 4, a drill bit 5, a gripper switch 6, an electric drill main machine 7, a starting switch 8, a net bag 9, a flushing pipe 91 and a flushing liquid spraying port.

Detailed Description

The utility model is further described with reference to the following description and embodiments in conjunction with the accompanying drawings.

As shown in fig. 1 to 4, a lithotripsy and lithotomy device comprises an outer sheath tube 1 which can be extended into a body, wherein one end of the outer sheath tube 1 which is extended into the body is a distal end of the outer sheath tube 1, one end of the outer sheath tube 1 which is out of the body is a proximal end of the outer sheath tube 1, the distal end and the proximal end of the outer sheath tube 1 are both provided with openings, a removable inner sheath tube 2, a net bag 8 and a flushing tube 9 are arranged in the outer sheath tube 1 in a penetrating manner, the inner sheath tube 2, the net bag 8 and the flushing tube 9 can be selected to penetrate into the outer sheath tube 1 according to lithotomy requirements, and only one of the three can penetrate into the outer sheath tube 1 at a time; wherein the inner sheath tube 2 can penetrate through the near-end opening of the outer sheath tube 1 and then extend out of the far-end opening of the outer sheath tube 1, the front end of the inner sheath tube 2 is provided with a stone breaking mechanism for grabbing and breaking stones, the stone breaking mechanism comprises a multi-arm gripper 3 capable of grabbing stones and a drill bit 4 for breaking stones, the rear end of the inner sheath tube 2 is provided with a gripper switch 5 capable of controlling the multi-arm gripper 3 to move telescopically and open and close relative to the inner sheath tube 2 and an electric drill host 6 for driving the drill bit 4 to work, the electric drill host 6 is provided with a starting switch 7, the multi-arm gripper 3 in the embodiment is formed by enclosing 4 movable single claws arranged in a surrounding way, the four single claws are respectively a first single claw 31, a second single claw 32, a third single claw 33 and a fourth single claw 34, the four single claws can synchronously move telescopically and open and close relative to the inner sheath tube 2, a neutral position for grabbing stones is formed in the middle of the four single claws, and the drill bit 4 can cut the stones clamped by the broken multi-arm gripper 3 in a rotary way under the drive of the electric drill host 6, the drill bit 4 is in an olive shape with two small ends and a large middle, the drill bit 4 and the position contacting with the calculus are large-diameter sections in the middle of the olive shape, and the drill bit 4 can extend out of the rear part of the multi-arm gripper 3 forwards to crush the calculus when the multifunctional gripper works; the guide wire is arranged on the net bag 8, the net bag 8 can be inserted into the near-end opening of the outer sheath tube 1 and passes through the outer sheath tube 1 to extend out of the far-end opening of the outer sheath tube 1 when in use, when the net bag 8 extends out of the far-end opening of the outer sheath tube 1, the tail end of the guide wire extends out of the near-end opening of the outer sheath tube 1, and the net bag can advance or retreat in the outer sheath tube 1 by pushing and pulling the guide wire; when in use, the flushing pipe 9 can be inserted into the outer sheath 1 from the opening at the proximal end of the outer sheath 1 and pass through the outer sheath 1, the front end of the flushing pipe 9 is provided with an opening to form a flushing liquid spraying port 91, and the rear end of the flushing pipe 9 is connected with a flushing liquid supply source.

The utility model can reversely move the bile duct into the gall bladder to take out the calculus, and can not scratch the natural cavity of the human body in the calculus taking process, the calculus can not fall off in the calculus removing process, the sheath tube only needs to be sent into the body once in the whole calculus taking process, the pain of a patient is less, and the health of the patient after the operation is quickly recovered. When the cholecystoscope works, the sheath tube needs to be fed into the cholecyst in a retrograde manner along the bile duct in advance, specifically, the sheath tube is guided to the duodenal papilla by using a common clinical enteroscope, and then the sheath tube 1 is inserted into the bile duct and pushed into the cholecyst to stop. Then an inner sheath tube 2 with a multi-arm gripper 3 is sent into an outer sheath tube 1, the front end of the inner sheath tube 2 enters a gallbladder, a gripper switch 5 is operated to grip large stones to be crushed, a drill bit 4 props against the stones, a starting switch 7 is pressed, the drill bit 4 is driven by an electric drill main machine 6 to rotate, and the crushed stones are cut continuously; after the calculus is broken, the broken calculus can be grabbed through the multi-arm gripper 3 and pulled out of the body along the outer sheath tube 1, or the inner sheath tube 2 is removed, the net bag 8 with the guide wire is filled in, the broken calculus is contained through the net bag 8, and then the net bag 8 is pulled to be drawn out of the body along the outer sheath tube 1. The multi-arm gripper 3 grabs and discharges stones and the net bag 8 holds and discharges stones, the stones can be used independently or in combination according to actual conditions, the flushing pipe 9 is inserted into the outer sheath pipe 1, the inner part of the gallbladder is lavaged and cleaned through the flushing liquid spraying port 91 at the front end of the flushing pipe 9, small broken stones generated by broken stones are flushed out of the body through the outer sheath pipe, and the broken stones are prevented from staying in the gallbladder and forming new stones again.

Claims

1. The utility model provides a rubble stone taking device, is including can stretch into internal outer sheath pipe (1), and the one end that outer sheath pipe (1) stretched into internal is outer sheath pipe (1) distal end, and outer sheath pipe (1) one end in vitro is outer sheath pipe (1) near-end, and the distal end and the near-end of outer sheath pipe (1) all are equipped with the opening, characterized by wear to establish removable inner sheath pipe (2) in outer sheath pipe (1), inner sheath pipe (2) can penetrate back from outer sheath pipe (1) near-end opening and stretch out from outer sheath pipe (1) distal end opening, and inner sheath pipe (2) front end sets up the multi-arm tongs (3) that snatch and broken calculus, rubble mechanism is including griping hand (3) that can grasp the calculus and drill bit (4) of broken calculus, forms the neutral position that snatchs in the middle of multi-arm tongs (3), and drill bit (4) can be stretched out broken calculus forward from multi-arm (3) rear, and inner sheath pipe (2) rear end is equipped with can control that inner sheath pipe (3) move and open and close flexible action mutually The electric drill comprises a hand grip switch (5) and an electric drill host (6) for driving a drill bit (4) to work, wherein a starting switch is arranged on the electric drill host (6).

2. The gravel and stone extraction device as claimed in claim 1, further comprising a removable net bag (8), wherein a guide wire is arranged on the net bag (8), the net bag (8) can be inserted into the proximal opening of the sheath tube (1) and passes through the sheath tube (1) to extend out of the distal opening of the sheath tube (1), and the tail end of the guide wire extends out of the proximal opening of the sheath tube (1) when the net bag (8) extends out of the distal opening of the sheath tube (1).

3. The lithotripsy and lithotripsy device according to claim 1 or 2, wherein the multi-arm gripper (3) is formed by enclosing 4-5 movable single claws which are arranged in a surrounding manner, and the single claws can move telescopically and open and close relative to the inner sheath tube (2); the drill bit (4) can rotationally cut stones clamped by the multi-arm gripper (3) at a neutral position in the middle of the multi-arm gripper (3) under the driving of the electric drill host (6).

4. A lithotripsy and lithotripsy apparatus as claimed in claim 1 or 2, wherein the drill head (4) is in the form of an olive with two small ends and a large middle, and the positions of the drill head (4) and the stone contact are the middle large diameter section of the olive.

5. The lithotripsy apparatus according to claim 1, further comprising a removable flushing tube (9) which is insertable from the proximal opening of the outer sheath (1) and extends through the distal opening of the outer sheath (1), the flushing tube (9) having a flushing jet at its front end and a flushing fluid supply at its rear end.