CN219439313U

CN219439313U - Calculus grabbing device

Info

Publication number: CN219439313U
Application number: CN202320047304.8U
Authority: CN
Inventors: 杨超
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-08-01
Anticipated expiration: 2033-01-06

Abstract

The utility model relates to the field of medical devices, in particular to a stone grabbing device, which comprises a mounting block and a taking-out mechanism, wherein the taking-out mechanism is arranged on the mounting block and used for taking out stones, the taking-out mechanism comprises a pushing component, a telescopic component and two clamp claws, and the pushing component is arranged at the top of the mounting block and used for pushing the telescopic component; the telescopic component is arranged on the pushing component and used for driving the two clamp claws to stretch; compared with the prior art, the stone grabbing device has fewer steps, saves time and labor, further improves the stone grabbing efficiency, is beneficial to improving the healing efficiency, and reduces the pain and the contradicting emotion of patients.

Description

Calculus grabbing device

Technical Field

The utility model relates to the field of medical devices, in particular to a stone grabbing device.

Background

The bladder calculus is generally taken out through holmium laser lithotripsy, and when the holmium laser lithotripsy is operated, the calculus is firstly found through a cystoscope, then the calculus is crushed through holmium laser, and after the crushing, the larger calculus is taken out through a calculus taking net, and the powdery calculus is discharged along with urine.

The existing stone grabbing device has the following defects:

1. the stone grabbing steps are more, time and labor are wasted, grabbing efficiency is reduced, and meanwhile pain and confliction emotion of a patient are increased.

2. Most of the portable electronic device has large volume, is inconvenient to carry, has poor portability and reduces the use efficiency.

Disclosure of Invention

The utility model aims to provide a stone grabbing device so as to solve the problems of low grabbing efficiency and poor portability in the background art.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a stone grabbing device, which comprises a mounting block and a taking-out mechanism, wherein the taking-out mechanism is arranged on the mounting block and used for taking out stones and comprises a pushing component, a telescopic component and two clamp claws,

the pushing component is arranged at the top of the mounting block and used for pushing the telescopic component;

the telescopic component is arranged on the pushing component and used for driving the two clamp claws to stretch;

the two clamp claws are symmetrically arranged at the bottom of the telescopic component and used for grabbing vesical stones.

Preferably, the pushing assembly comprises a first push rod, a first sleeve and a buffer spring, wherein the first sleeve is fixedly arranged at the top of the mounting block, the first push rod is slidably arranged in the first sleeve, a steel core is fixedly arranged on the inner wall of the first sleeve, a through hole is formed in the inner wall of the first push rod, the buffer spring is inserted into the through hole, and the through hole and the steel core are fixedly connected with two ends of the buffer spring respectively.

Preferably, the telescopic assembly comprises an inner pipe, a second push rod and an outer pipe, the top of the installation block is fixedly provided with a limiting block, the steel core penetrates through the limiting block, the inner pipe is fixedly arranged at one end of the first push rod close to the limiting block, the inner pipe is sleeved with the steel core, the second push rod is fixedly arranged at one end of the inner pipe away from the limiting block, a second sleeve is sleeved on the outer wall of the second push rod, the outer pipe is fixedly arranged between the limiting block and the top of the second sleeve, the outer pipe is sleeved with the inner pipe, one end of the steel core away from the first push rod is fixedly connected with the inner wall of the second sleeve, and avoidance holes capable of avoiding the steel core are formed in the outer walls of the first push rod and the second push rod in the circumferential direction.

Preferably, the bottom of second push rod is fixed and is equipped with the connecting rod, the fixed cover piece that is equipped with in bottom of connecting rod, the inside of cover piece is through telescopic link fixedly connected with abaculus, fixedly connected with reset spring between abaculus and the cover piece, two pincers are fixed respectively to be established in the bottom of cover piece and abaculus, and the one end that reset spring was kept away from to cover piece and abaculus is all connected with the laminating of second sheathed tube inner wall.

Preferably, the bottom of the second push rod is fixedly provided with a titanium laser emitter.

Preferably, the bottom of the mounting block is fixedly provided with a grip.

Preferably, a plurality of anti-slip strips are fixedly arranged on the outer wall of each clamp claw.

The utility model has the beneficial effects that:

1. according to the utility model, the extraction mechanism, namely the pushing component, the telescopic component and the two jaws, is designed, when the device is used, the cystoscope is matched, when the cystoscope monitors the concrete position of the calculus, the device is inserted into the bladder and approaches to the position of the calculus, and the telescopic component can extend out and drive the two jaws to grasp the calculus by pushing the pushing component.

2. According to the utility model, the installation block and the handle are designed, and the handle is used for being gripped by a doctor, so that the device is convenient to take, the use efficiency of the device is improved, the device is convenient to carry and transfer, and the portability of the device is improved.

3. According to the utility model, the plurality of anti-slip strips are designed on the outer wall of each claw, so that the clamping friction force between the outer wall of each claw and stones can be increased, the clamping effect is improved, the stones are prevented from slipping, and the grabbing effect is improved.

4. According to the utility model, the second sleeve is designed, so that the stone can be temporarily stored in the second sleeve after being caught, and therefore the stone can not touch the mucous membrane of the inner wall of the bladder when being pulled out from the bladder along with the device, the body of a patient is prevented from being damaged, the health of the patient is guaranteed, meanwhile, the stone is prevented from shaking around and slipping, and the grabbing effect is further improved.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the following description briefly describes the drawings in the embodiments of the present utility model.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a plan cross-sectional view taken along line A-A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 3;

FIG. 5 is a cross-sectional view of the outer tube, second pushrod and second sleeve of the present utility model;

FIG. 6 is an enlarged view at C in FIG. 5;

FIG. 7 is a cross-sectional view of an insert of the present utility model;

in the figure: the device comprises an installation block 1, a taking-out mechanism 2, a pushing component 3, a telescopic component 4, a clamp claw 5, a first push rod 6, a first sleeve 7, a buffer spring 8, a steel core 9, an inner pipe 10, a second push rod 11, an outer pipe 12, a limiting block 13, a second sleeve 14, a connecting rod 15, a sleeve block 16, an embedding block 17, a reset spring 18, a titanium laser emitter 19, a handle 20, an anti-slip strip 21 and a telescopic rod 22.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced in size and do not represent the actual product dimensions.

Referring to fig. 1, a stone grabbing device comprises a mounting block 1 and a taking-out mechanism 2, wherein the taking-out mechanism 2 is arranged on the mounting block 1 and is used for taking out stones, the taking-out mechanism 2 comprises a pushing component 3, a telescopic component 4 and two clamp claws 5,

the pushing component 3 is arranged at the top of the mounting block 1 and is used for pushing the telescopic component 4;

the telescopic component 4 is arranged on the pushing component 3 and is used for driving the two clamp claws 5 to stretch;

the two clamp claws 5 are symmetrically arranged at the bottom of the telescopic assembly 4 and are used for grabbing vesical stones.

Referring to fig. 4, the pushing component 3 includes a first push rod 6, a first sleeve 7 and a buffer spring 8, the first sleeve 7 is fixedly arranged at the top of the mounting block 1, the first push rod 6 is slidably arranged in the first sleeve 7, a steel core 9 is fixedly arranged on the inner wall of the first sleeve 7, a through hole is formed in the inner wall of the first push rod 6, the buffer spring 8 is inserted in the through hole, the through hole and the steel core 9 are fixedly connected with two ends of the buffer spring 8 respectively, when a doctor inserts a cystoscope into the bladder, after the cystoscope detects the accurate position of the calculus, the second sleeve 14 is inserted from the bladder of a patient and moves towards the calculus, when the cystoscope moves to be close to the calculus, titanium laser is emitted by a titanium laser emitter 19 to cut the calculus, the stone is peeled off from the stomach mucous membrane, then a doctor grips 20, and the other hand pushes the first push rod 6 to slide towards one end close to a limit block 13 in the inner part of the first sleeve 7, the buffer spring 8 has a buffer effect, and the second push rod 11 is guaranteed to automatically drive two hands to extend out of the patient to reset the stomach accurately, and the calculus is prevented from being removed from being injured by the doctor after the two hands.

Referring to fig. 6, the telescopic component 4 includes an inner pipe 10, a second push rod 11 and an outer pipe 12, a limiting block 13 is fixedly arranged at the top of the installation block 1, the steel core 9 passes through the limiting block 13, the inner pipe 10 is fixedly arranged at one end of the first push rod 6 close to the limiting block 13, the inner pipe 10 is sleeved with the steel core 9, the second push rod 11 is fixedly arranged at one end of the inner pipe 10 far away from the limiting block 13, a second sleeve 14 is sleeved on the outer wall of the second push rod 11, the outer pipe 12 is fixedly arranged between the limiting block 13 and the top of the second sleeve 14, the outer pipe 12 is sleeved with the inner pipe 10, one end of the steel core 9 far away from the first push rod 6 is fixedly connected with the inner wall of the second sleeve 14, the outer walls of the first push rod 6 and the second push rod 11 are respectively provided with avoiding holes capable of avoiding the steel core 9, and the inner wall of the first sleeve 7 and the inner wall of the second sleeve 14 are respectively fixedly connected with two ends of the steel core 9, the inner pipe 10 is sleeved with the inner pipe 9, so that the inner pipe 10 is fixedly connected with the outer pipe 10 and the outer pipe 14, and the outer pipe 14 is fixedly connected with the two ends of the outer pipe 14.

Referring to fig. 7, a connecting rod 15 is fixedly arranged at the bottom of the second push rod 11, a sleeve block 16 is fixedly arranged at the bottom of the connecting rod 15, an insert block 17 is fixedly connected inside the sleeve block 16 through a telescopic rod 22, a reset spring 18 is fixedly connected between the insert block 17 and the sleeve block 16, two clamp jaws 5 are respectively fixedly arranged at the bottoms of the sleeve block 16 and the insert block 17, one ends of the sleeve block 16 and the insert block 17, which are far away from the reset spring 18, are respectively connected with the inner wall of the second sleeve 14 in a fitting manner, one ends of the sleeve block 16 and the insert block 17, which are far away from the reset spring 18, are respectively connected with the two clamp jaws 5 in a fixed manner, so that the two clamp jaws 5 are limited when inside the second sleeve 14, and after the second push rod 11 stretches out from the outside from the second sleeve 14, the reset spring 18 is converted from a contracted state to an expanded state, and the sleeve block 16 and the insert block 17 are fixedly connected through the telescopic rod 22, so that the telescopic rod 22 is stretched, and the two clamp jaws 5 are respectively expanded until the two clamp jaws are separated from each other, and then the two clamp jaws are automatically released from the second sleeve 14, and the two clamp jaws are prevented from being separated from each other, and the two clamp jaws are simultaneously from the inner side of the second sleeve 14, and the two clamp jaws are prevented from being loose from being removed from the inner by the stone, and the second sleeve is the inner stone is the inner recovered.

Referring to fig. 6, a titanium laser emitter 19 is fixedly arranged at the bottom of the second push rod 11, the titanium laser is transmitted by using optical fibers, and can be combined with various cystoscopes or puncture needles to be matched with the ultramicro needle mirror or other cystoscopes, the position of the calculus can be accurately found by utilizing the matching of the titanium laser emitter 19 and the cystoscopes, the diagnosis accuracy is improved, the calculus can be quickly peeled off from the inner wall of the digestive organ by using the laser after the calculus is found, the damage to surrounding tissues can be reduced by the titanium laser, meanwhile, the penetration depth of the holmium laser to the human tissues is shallow and is only 0.38mm, so that the damage to the surrounding tissues can be minimized during the lithotripsy, the safety is extremely high, and the instrument does not need to be replaced at a treatment position.

Referring to fig. 5, a grip 20 is fixedly arranged at the bottom of the mounting block 1, and the grip 20 is used for a doctor to grasp, so that the device is convenient to use, the service efficiency is improved, and the device is convenient to carry and transfer, and the portability is improved.

Referring to fig. 7, a plurality of anti-slip strips 21 are fixedly arranged on the outer wall of each jaw, and the anti-slip strips 21 can increase the clamping friction force between the outer wall of the jaw 5 and stones, so that the clamping effect is improved, the stones are prevented from slipping, and the grabbing effect is improved.

Claims

1. The utility model provides a calculus grabbing device, includes installation piece (1), its characterized in that: the stone extractor also comprises a taking-out mechanism (2), wherein the taking-out mechanism (2) is arranged on the mounting block (1) and is used for taking out stones, the taking-out mechanism (2) comprises a pushing component (3), a telescopic component (4) and two clamp claws (5),

the pushing component (3) is arranged at the top of the mounting block (1) and used for pushing the telescopic component (4);

the telescopic component (4) is arranged on the pushing component (3) and is used for driving the two clamp claws (5) to stretch;

two pincers (5) are the symmetry and set up in the bottom of telescopic subassembly (4) in order to be used for snatching the bladder stone, push subassembly (3) are including first push rod (6), first sleeve pipe (7) and buffer spring (8), the top at installation piece (1) is fixedly established in first sleeve pipe (7), first push rod (6) slide and set up in the inside of first sleeve pipe (7), fixed steel core (9) that are equipped with on the inner wall of first sleeve pipe (7), set up the through-hole on the inner wall of first push rod (6), buffer spring (8) are inserted and are established in the inside of through-hole, and through-hole and steel core (9) are respectively with buffer spring (8) both ends fixed connection, telescopic subassembly (4) are including inner tube (10), second push rod (11) and outer tube (12), the top of installation piece (1) is fixed to be equipped with stopper (13), and stopper (13) are passed in inner tube (10), inner tube (10) are fixed to be established in the one end that is close to stopper (13), inner tube (10) and steel core (9) are equipped with, second push rod (11) are fixed in the outer wall (11) of second sleeve (11), the utility model discloses a telescopic steel core fixing device, including stopper (13), second sleeve (14), outer tube (12), inner tube (10), steel core (9), outer tube (15), connecting rod (15) are fixed to be equipped with in the bottom of second push rod (11), sleeve (16) are fixed to be equipped with in the bottom of connecting rod (15), sleeve (16) are fixed to be equipped with in the bottom of connecting rod (16), sleeve (16) are fixed to be connected with in the inside through telescopic link (22) inserted block (17), fixedly connected with reset spring (18) between inserted block (17) and sleeve (16), two pincers (5) are fixed respectively to be established in the bottom of sleeve (16) and inserted block (17), sleeve (16) and inserted block (17) keep away from the one end of reset spring (18) and all are connected with the laminating of inner wall of second sleeve (14).

2. The stone grasping device according to claim 1, wherein: the bottom of the second push rod (11) is fixedly provided with a titanium laser emitter (19).

3. A stone grasping device according to claim 2, wherein: the bottom of the mounting block (1) is fixedly provided with a handle (20).

4. A stone grasping device according to claim 3, wherein: a plurality of anti-slip strips (21) are fixedly arranged on the outer wall of each clamp claw (5).