Urinary tract calculus grabber

By designing a detachable urinary tract stone grabber, the problem of easy damage to integral structures is solved, enabling convenient and safe stone removal and improving safety in use.

CN223773823UActive Publication Date: 2026-01-09LUODING PEOPLES HOSPITAL
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Patent Information

Application Number
CN202423053270.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2026-01-09
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing urinary tract stone grabbers have a one-piece structure, and repeated insertion into the urinary tract can easily cause damage if not handled carefully, affecting the safety of use.

Method used

A urinary tract stone grabber was designed. The connecting mechanism allows the catheter and connecting rod to be separated. The cooperation of the push rod and the locking block enables the grabber to separate and remove the catheter, avoiding damage from repeated insertion.

Benefits of technology

It improves ease of operation and safety, reduces the risk of urinary tract injury, and enhances the safety of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a urinary tract calculus grabber, which relates to the technical field of medical instruments and comprises an intubation tube, a connecting rod penetrates through one end of the intubation tube in a sliding manner, a grabbing clamp is arranged at one end of the connecting rod, the other end of the connecting rod is fixedly connected with a push plate, and a connecting mechanism is arranged at one end of the intubation tube. According to the calculus removing device, the connecting mechanism is arranged, the push rod is pushed to move the clamping block out of the interior of the connecting disc, the clamping block moves towards the interior of the fixing disc, and after the clamping block is separated from the connecting disc, the push plate can be pulled to take out the connecting rod and the grabbing clamp for grabbing calculus from the urinary tract of a patient; the intubation and the connecting rod are connected and fixed through the connecting disc, the fixing disc and the clamping block, so that the device has good connecting and separating measures, the intubation does not need to be taken out when calculi are taken out, the phenomenon that the contact part of the urinary tract and the intubation is accidentally damaged due to multiple times of insertion of the intubation is avoided, and the operation and use convenience of the device is improved; and the use safety of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially relates to a urinary tract calculus grab. BACKGROUND

[0002] In prior art, in the process of the existing urology surgery, if the patient's urinary tract has the phenomenon of calculus, it is usually necessary to use the related calculus grab to grab the calculus in the urinary tract, and the common calculus grab is usually a whole structure, when the grab is used, the grab is inserted into the patient's urinary tract to grab the calculus, and after the calculus is grabbed, the whole grab is taken out from the urinary tract, repeated operation, if the operation is not careful, it is very easy to cause the accidental injury of the urinary tract and the contact part of the inserted grab, resulting in that the grab does not have good convenient operation measure when being used, seriously affecting the safety of the use of the grab. SUMMARY

[0003] The utility model discloses a urinary tract calculus grab which solves the problems in the prior art, the common urinary tract calculus grab is usually a whole structure, needs to be inserted into the urinary tract repeatedly when being used, and if the operation is not careful, it is very easy to cause the accidental injury of the urinary tract, seriously affecting the safety of the use of the grab.

[0004] In order to achieve the above-mentioned purpose, the utility model discloses a urinary tract calculus grab, which comprises: a cannula, one end of the cannula slidingly penetrates a connecting rod, one end of the connecting rod is provided with a grab, the other end of the connecting rod is fixedly connected with a push plate, one end of the cannula is provided with a connecting mechanism, the connecting mechanism comprises a connecting disc fixedly connected to one end of the cannula, one side of the connecting disc is fixedly connected with a side frame, the inside of the side frame slidingly penetrates a push rod, one side of the connecting disc is provided with a fixed disc, one side of the push rod is fixedly connected with a side plate, one side of the side plate is welded with a first elastic sheet, the inside of the fixed disc slidingly penetrates a clamping block, one side of the clamping block is fixedly connected with a sliding rod, the other side of the clamping block is fixedly connected with a limiting rod, and the inside of the sliding rod is provided with a second elastic sheet.

[0005] As a preferred embodiment, one side of the connecting disc is provided with a sliding hole matched with the connecting rod, and the inside of the connecting disc is provided with a clamping groove matched with the clamping block.

[0006] As a preferred embodiment, the inside of the side frame is provided with a movable slot matched with the push rod, and one end of the first elastic sheet is welded to one side of the movable slot inner wall.

[0007] As a preferred embodiment, one end of the push rod slidingly penetrates one side of the connecting disc, and one end of the push rod is in contact with one side of the clamping block.

[0008] As a preferred implementation, the inner part of the fixed disc is provided with a sliding groove matched with the sliding rod, and the inner part of the fixed disc is provided with a limiting groove matched with the limiting rod.

[0009] As a preferred implementation, one end of the second elastic sheet is welded to one side of the clamping block, and the other end of the second elastic sheet is welded to one side of the inner wall of the limiting groove of the fixed disc.

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

[0011] The utility model discloses a connecting mechanism is set up, and the clamping block is removed from the inside of the connecting disc by pushing the push rod, and the clamping block moves to the inside of the fixed disc, and after the clamping block is separated from the connecting disc, the connecting rod and the stone grabbing clamp can be taken out from the urinary tract of the patient by pulling the push plate, the connecting disc and the fixed disc and the clamping block are used to connect and fix the cannula and the connecting rod, the device has good connecting and splitting measures, the cannula can not be taken out when the stone is taken out, the contact part of the urinary tract and the cannula is prevented from being damaged accidentally by inserting the cannula repeatedly, the convenience of operation of the device is improved, and the safety of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 A perspective view of the urinary tract stone grabber is provided.

[0013] Figure 2 A connecting disc sectional perspective view of the urinary tract stone grabber is provided.

[0014] Figure 3 A fixed disc perspective view of the urinary tract stone grabber is provided.

[0015] Figure 4 A fixed disc sectional perspective view of the urinary tract stone grabber is provided.

[0016] LEGEND:

[0017] 1, cannula, 2, connecting rod, 3, grab clamp, 4, push plate, 5, connecting mechanism,

[0018] 51, connecting disc, 52, side frame, 53, push rod, 54, fixed disc, 55, side plate, 56, first elastic sheet, 57, clamping block, 58, sliding rod, 59, limiting rod, 510, second elastic sheet. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0020] Example 1

[0021] As Figures 1-4The utility model provides a technical scheme: a urinary tract calculus grab, include: cannula 1, the one end of cannula 1 is slid and penetrates to have connecting rod 2, the one end of connecting rod 2 is provided with and clamps 3, the other end of connecting rod 2 is fixedly connected with push board 4, the one end of cannula 1 is provided with connecting mechanism 5, and connecting mechanism 5 includes the connecting disc 51 fixed connection of cannula 1 one end, the one side of connecting disc 51 is equipped with the sliding hole of being adapted to connecting rod 2, through setting up sliding hole, connecting rod 2 can normally slide and penetrate connecting disc 51, and the inside of connecting disc 51 is equipped with the clamping groove of being adapted to card block 57, through setting up clamping groove, card block 57 can normally insert the inside of connecting disc 51, the one side of connecting disc 51 is fixedly connected with side frame 52, and the inside of side frame 52 is equipped with the movable slot of being adapted to push rod 53, through setting up movable slot, push rod 53 can normally move in the inside of side frame 52, the one end of first elastic sheet 56 is welded in the inside wall of movable slot one side, through setting up first elastic sheet 56, first elastic sheet 56 provides enough elasticity, makes side plate 55 move after can rely on the elastic force of first elastic sheet 56 and actively carries out position recovery, the inside of side frame 52 is slid and penetrates with push rod 53, the one end of push rod 53 is slid and penetrates the one side of connecting disc 51, and the one end of push rod 53 and the one side of card block 57 are contacted, through setting up push rod 53, when card block 57 is in the inside of connecting disc 51, can rely on push rod 53 and remove from the inside of connecting disc 51, the one side of connecting disc 51 is provided with fixed disc 54, and the inside of fixed disc 54 is equipped with the sliding groove of being adapted to slide rod 58, through setting up sliding groove, slide rod 58 can normally move in the inside of fixed disc 54, and the inside of fixed disc 54 is equipped with the limiting slot of being adapted to limiting rod 59, through setting up limiting slot, limiting rod 59 can normally move in the inside of fixed disc 54, the one side of push rod 53 is fixedly connected with side plate 55, and the one side of side plate 55 is welded with first elastic sheet 56, the inside of fixed disc 54 is slid and penetrates with card block 57, the one side of card block 57 is fixedly connected with slide rod 58, the other side of card block 57 is fixedly connected with limiting rod 59, and the inside of slide rod 58 is provided with second elastic sheet 510, and the one end of second elastic sheet 510 is welded in the one side of card block 57, and the other end of second elastic sheet 510 is welded in the one side of the inside wall of limiting slot of fixed disc 54, through setting up second elastic sheet 510, second elastic sheet 510 provides enough elasticity, and card block 57 can rely on the elastic force of second elastic sheet 510 and actively carries out position recovery.

[0022] Working principle:

[0023] As Figures 1-4As shown, in use, the cannula 1 is inserted into the urinary tract of the patient, and the stone in the urinary tract is grabbed by the grabber 3, when the grabber 3 grabs the stone, the push plate 4 is pulled to move, the connecting rod 2 is moved during the movement of the push plate 4, the connecting rod 2 is moved when the connecting rod 2 is moved, the grabber 3 is moved, the grabber 3 grabs the stone and gradually moves to the inside of the cannula 1, until the push plate 4 is pulled to move to the position where the push plate 4 cannot be pulled any more, the push rod 53 is pushed to move, the side plate 55 is moved during the movement of the push rod 53, the first elastic sheet 56 is gradually changed in shape under the influence of the pushing force, with the movement of the push rod 53, the push rod 53 contacts the clamping block 57, the clamping block 57 is gradually moved under the influence of the movement of the push rod 53, and gradually moves out of the inside of the connecting disc 51, the clamping block 57 gradually moves to the inside of the fixed disc 54, the limiting rod 59 and the sliding rod 58 move in the inside of the fixed disc 54, the second elastic sheet 510 is gradually changed in shape under the influence of the acting force of the movement of the limiting rod 59, until the push rod 53 is pushed to move to the position where the push rod 53 cannot be pushed any more, the position of the push rod 53 after being pushed is kept, the push plate 4 is continuously pulled to move, the fixed disc 54 is gradually separated from the connecting disc 51, until the push plate 4 is pulled to the position where the connecting rod 2 and the grabber 3 are pulled out of the inside of the cannula 1, the stone grabbed by the grabber 3 is cleaned, if there are more stones in the urinary tract of the patient, the grabber 3 and the connecting rod 2 are inserted into the inside of the cannula 1, after the fixed disc 54 and the connecting disc 51 are fixed by the clamping block 57, the stone is grabbed by the grabber 3 again.

[0024] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments shall fall within the protection scope of the present application.

Claims

1. A urinary tract stone grabber, characterized in that, Include: The cannula (1) one end of the connecting rod (2) is slid through, one end of the connecting rod (2) is provided with the grab (3), the other end of the connecting rod (2) is fixedly connected with the push plate (4), one end of the cannula (1) is provided with the connecting mechanism (5), the connecting mechanism (5) includes the connecting disc (51) fixedly connected with the cannula (1), one side of the connecting disc (51) is fixedly connected with the side frame (52), the inside of the side frame (52) is slid through the push rod (53), one side of the connecting disc (51) is provided with the fixed disc (54), one side of the push rod (53) is fixedly connected with the side plate (55), one side of the side plate (55) is welded with the first elastic sheet (56), the inside of the fixed disc (54) is slid through the clamping block (57), one side of the clamping block (57) is fixedly connected with the sliding rod (58), the other side of the clamping block (57) is fixedly connected with the limiting rod (59), the inside of the sliding rod (58) is provided with the second elastic sheet (510).

2. A urinary tract stone grabber according to claim 1, characterized in that: One side of the connecting disc (51) is provided with the sliding hole matched with the connecting rod (2), and the inside of the connecting disc (51) is provided with the clamping groove matched with the clamping block (57).

3. A urinary tract stone grabber as claimed in claim 1, wherein: The inside of the side frame (52) is provided with the movable slot matched with the push rod (53), and one end of the first elastic sheet (56) is welded on one side of the movable slot.

4. The urinary tract stone grabber according to claim 1, wherein: One end of the push rod (53) is slid through one side of the connecting disc (51), and one end of the push rod (53) is in contact with one side of the clamping block (57).

5. The urinary tract stone grabber according to claim 1, wherein: The inside of the fixed disc (54) is provided with the sliding slot matched with the sliding rod (58), and the inside of the fixed disc (54) is provided with the limiting slot matched with the limiting rod (59).

6. A urinary stone grabber according to claim 5, wherein: One end of the second elastic sheet (510) is welded on one side of the clamping block (57), and the other end of the second elastic sheet (510) is welded on one side of the limiting slot in the inside of the fixed disc (54).