CN210871884U

CN210871884U - Kidney stone resection device

Info

Publication number: CN210871884U
Application number: CN201921415343.9U
Authority: CN
Inventors: 方晓
Original assignee: First Affiliated Hospital of Nanyang Medical College
Current assignee: First Affiliated Hospital of Nanyang Medical College
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-06-30
Anticipated expiration: 2029-08-28

Abstract

A kidney stone resection device, which effectively solves the problem that the prior scalpel can not simultaneously resect and take out kidney stones; the clamp comprises a grab handle in the vertical direction, wherein baffles are respectively arranged on the front side and the rear side of the lower end of the grab handle, a clamp is arranged between the two baffles, the clamp comprises a left clamping jaw and a right clamping jaw, the middle parts of the left clamping jaw and the right clamping jaw are respectively hinged with the baffles through a pin shaft, the lower end of the clamp extends out of the baffles, a through groove which is communicated up and down is formed in the grab handle, a slide bar positioned between the left clamping jaw and the right clamping jaw is connected in the through groove in a sliding manner, a blade; the utility model has the advantages of having made things convenient for medical personnel to the excision of the internal kidney stone of patient and having taken out, having reduced medical personnel's operating strength, the blade can be transferred to suitable height according to the patient demand, has increased medical personnel's efficiency, this simple structure, convenient operation conceives the novelty, and the practicality is strong.

Description

Kidney stone resection device

Technical Field

The utility model relates to a kidney stone surgical instruments technical field, concretely relates to kidney stone resection device.

Background

The kidney stone operation is a treatment method which is used for patients who cannot be broken by traditional lithotripsy operations in the kidney or have problems in the kidney of the patient, cannot accept lithotripsy treatment and large kidney stones, has two operation methods of traditional open operation treatment and minimally invasive operation treatment, and needs a scalpel to excise tissues around the kidney stone in the operation process, and the existing scalpel only has an excision function, still needs tools such as tweezers to take out the kidney stone, and is complex in operation and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

To the above situation, in order to overcome the defects of the prior art, the utility model aims to provide a kidney stone cutting device, which effectively solves the problem that the prior scalpel can not cut and take out kidney stones simultaneously.

The technical scheme of its solution is, the utility model discloses a grab handle of upper and lower direction, grab handle lower extreme front and back both sides are equipped with the baffle respectively, are equipped with anchor clamps between two baffles, and anchor clamps include left clamping jaw and right clamping jaw, and left clamping jaw and right clamping jaw middle part are connected through round pin axle and baffle are articulated respectively, and the baffle is stretched out to the anchor clamps lower extreme, opens the logical groove that link up from top to bottom in the grab handle, leads to inslot sliding connection and is located the slide bar between left clamping jaw and the right clamping jaw, and the slide bar lower extreme is equipped with the blade, and.

Compared with the prior art, the beneficial effects of the utility model are that: rational in infrastructure, convenient to use sets up trapezoidal piece, gyro wheel, anchor clamps and slide bar, has made things convenient for medical personnel to the excision of the internal kidney stone of patient and has taken out, has reduced medical personnel's manipulation strength, is equipped with dog and spring leaf simultaneously, makes the blade can transfer suitable height according to the patient demand, has increased medical personnel's efficiency, this simple structure, and convenient operation conceives the novelty, and the practicality is strong.

Drawings

Fig. 1 is an isometric view of the present invention.

Fig. 2 is a main visual axis profile view of the fracture of the present invention.

Fig. 3 is a broken right-side view axis profile view of the present invention.

Fig. 4 is a main visual axis profile view of the fracture of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

By figure 1 to 4, grab handle 1 including upper and lower direction, both sides are equipped with baffle 2 respectively around grab handle 1 lower extreme, be equipped with anchor clamps between two baffle 2, anchor clamps include left clamping jaw 3 and right clamping jaw 4, left clamping jaw 3 and right clamping jaw 4 middle part are connected with baffle 2 through round pin axle 5 is articulated respectively, the baffle 2 is stretched out to the anchor clamps lower extreme, logical groove 6 that link up from top to bottom has been seted up in grab handle 1, it has slide bar 7 that is located between left clamping jaw 3 and the right clamping jaw 4 to lead to sliding connection in groove 6, slide bar 7 lower extreme is equipped with blade 8, the anchor clamps lower extreme can press from both sides tightly along with the.

In order to enable the lower end of the clamp to rise along with the sliding rod 7 to be clamped, the upper ends of the left clamping jaw 3 and the right clamping jaw 4 are respectively and rotatably connected with a front axial roller 9 and a rear axial roller 9, trapezoidal blocks 10 located below the rollers 9 are respectively arranged on the left side and the right side of the sliding rod 7, the distance between the upper end of the side face, far away from the sliding rod 7, of each trapezoidal block 10 and the sliding rod 7 is smaller than that between the lower end of each trapezoidal block 10 and the sliding rod 7, and the inclined faces of the two trapezoidal blocks.

In order to open the lower end of the clamp, the left side and the right side of the baffle 2 are respectively provided with a front-back through swing groove 11, a front-back axial connecting rod 12 is respectively connected in the two swing grooves 11 in a sliding manner, the rear ends of the two connecting rods 12 are respectively fixedly connected with the upper end of the clamp on the corresponding side, and the front end opposite sides of the two connecting rods 12 are connected through a tension spring 13.

In order to facilitate the up-and-down movement of the sliding rod 7, a rectangular groove 14 which is up-and-down and penetrates through the front surface of the sliding rod is formed in the grab handle 1, the rear end of the rectangular groove 14 is communicated with the through groove 6, a rectangular block 15 of which the rear end is fixed with the sliding rod 7 is connected in the rectangular groove 14 in a sliding mode, and the front end of the rectangular block 15 extends out of the rectangular groove 14 and is provided with a push block 16.

In order to fix the position of the sliding rod 7, a rack 17 is arranged on the left side wall of the rectangular groove 14, a spring piece 18 capable of being inserted into a tooth socket is arranged at the upper end of the rectangular block 15, a through groove 19 which is through in the vertical direction and in the front-back direction is formed in the pushing block 16, a stop block 20 positioned above the rectangular block 15 is connected in the through groove 19 in a sliding mode, and the stop block 20 can shield the upper end of the spring piece 18.

In order to facilitate the use of the patient, the opposite surfaces of the left clamping jaw 3 and the right clamping jaw 4 are respectively provided with a friction block 21 positioned at the lower end thereof, and two sides of the blade 8 are respectively provided with a cutting edge.

When the utility model is used, the blade 8 is arranged lower than the clamp, the stop 20 is positioned at the right side of the spring piece 18, and the position of the slide bar 7 is fixed;

cutting off tissues around kidney stones of a patient by using a cutting edge of a blade 8, after the cutting off is finished, pushing a stop block 20 downwards to enable the stop block 20 not to shield the upper end of a spring piece 18 any more, moving a push block 16 upwards at the moment, driving a slide rod 7 to move upwards along a through groove 6 by the push block 16 through a rectangular block 15, driving the blade 8 to move upwards by the slide rod 7, driving the spring piece 18 to move upwards by the rectangular block 15 at the same time, and continuously swinging left and right along a tooth socket at the upper end of the spring piece 18 along with the upward movement of the;

the slide bar 7 moves upwards, the slide bar 7 drives the two trapezoidal blocks 10 to move upwards, when the inclined planes of the two trapezoidal blocks 10 are respectively contacted with the rollers 9 on the corresponding sides, the blade 8 is higher than the lower end of the clamp, the kidney stone is clamped by the left clamping jaw 3 and the right clamping jaw 4, the trapezoidal blocks 10 drive the upper end of the clamp to swing outwards along the inclined planes of the trapezoidal blocks 10, the upper end of the clamp drives the two connecting rods 12 to swing back and forth along the swinging grooves 11 on the corresponding sides, the tension spring 13 is in a telescopic state, and meanwhile, the lower end of the clamp swings inwards along the hinged part and clamps the kidney stone;

after kidney stones are clamped, the stop block 20 is moved upwards to enable the stop block 20 to shield the upper end of the spring piece 18, at the moment, the position of the rectangular block 15 is fixed because the spring piece 18 cannot be deformed, the slide rod 7 cannot be moved at the moment, the clamp is always in a clamping state, the grab handle 1 is moved upwards to take out the kidney stones, the stop block 20 is moved downwards to enable the stop block 20 not to shield the upper end of the spring piece 18, and the push block 16 is moved downwards to enable the trapezoidal block 10 to move downwards;

along with the downward movement of the trapezoidal block 10, under the action of the tension spring 13, the two connecting rods 12 respectively swing along the swing grooves 11 on the corresponding sides oppositely, the connecting rods 12 drive the upper ends of the clamps to swing inwards, so that the lower ends of the clamps are opened outwards along the hinged parts, kidney stones slide into the cleaning disc, along with the downward movement of the sliding rods 7, when the blades 8 move to a proper height, the positions of the sliding rods 7 are fixed by the upward movement stoppers 20, the steps are repeated, and the kidney stones in the body of a patient are cut off and taken out.

The utility model discloses a dog 20 and run through for inseparable sliding connection between the groove 19, can not slide in running through the groove 19 because of self gravity.

Claims

1. The utility model provides a kidney stone resection device, grab handle (1) including upper and lower direction, a serial communication port, both sides are equipped with baffle (2) respectively around grab handle (1) lower extreme, be equipped with anchor clamps between two baffle (2), anchor clamps include left clamping jaw (3) and right clamping jaw (4), left clamping jaw (3) and right clamping jaw (4) middle part are connected with baffle (2) are articulated through round pin axle (5) respectively, baffle (2) are stretched out to the anchor clamps lower extreme, logical groove (6) that link up from top to bottom have been seted up in grab handle (1), sliding connection has slide bar (7) that are located between left clamping jaw (3) and right clamping jaw (4) in logical groove (6), slide bar (7) lower extreme is equipped with blade (8), the anchor clamps lower extreme can press from both sides tightly along with.

2. The kidney stone cutting device according to claim 1, wherein the upper ends of the left clamping jaw (3) and the right clamping jaw (4) are respectively and rotatably connected with a front axial roller (9) and a rear axial roller (9), the left side and the right side of the sliding rod (7) are respectively provided with a trapezoidal block (10) which is positioned below the rollers (9), the distance between the upper end of the side surface of the trapezoidal block (10) far away from the sliding rod (7) and the sliding rod (7) is smaller than the distance between the lower end of the trapezoidal block and the sliding rod (7), and the inclined surfaces of the two trapezoidal blocks (10) can be respectively contacted with the rollers (9) on the corresponding sides.

3. The kidney stone cutting device as claimed in claim 1, wherein the baffle plate (2) is provided with swing grooves (11) on the left and right sides thereof, the swing grooves (11) are respectively connected with front and rear axial connecting rods (12) in a sliding manner, the rear ends of the two connecting rods (12) are respectively fixedly connected with the upper ends of the clamps on the corresponding sides thereof, and the front ends of the two connecting rods (12) are connected with the opposite sides thereof through tension springs (13).

4. The kidney stone cutting device as claimed in claim 1, wherein a rectangular groove (14) is formed in the handle (1) in the up-down direction and penetrates through the front surface of the handle, the rear end of the rectangular groove (14) is communicated with the through groove (6), a rectangular block (15) with the rear end fixed with the slide bar (7) is connected in the rectangular groove (14) in a sliding mode, and the front end of the rectangular block (15) extends out of the rectangular groove (14) and is provided with a push block (16).

5. The kidney stone cutting device according to claim 4, wherein a rack (17) is arranged on the left side wall of the rectangular groove (14), a spring piece (18) capable of being inserted into the tooth socket is arranged at the upper end of the rectangular block (15), a through groove (19) which is through in the vertical direction and in the front-back direction is formed in the push block (16), a stop block (20) which is positioned above the rectangular block (15) is connected in the through groove (19) in a sliding manner, and the stop block (20) can shield the upper end of the spring piece (18).

6. The kidney stone cutting device as claimed in claim 1, wherein the opposing surfaces of the left jaw (3) and the right jaw (4) are respectively provided with a friction block (21) at the lower end thereof, and the two sides of the blade (8) are respectively provided with a cutting edge.