CN215079287U

CN215079287U - Stone-taking basket structure

Info

Publication number: CN215079287U
Application number: CN202022847450.8U
Authority: CN
Inventors: 熊林
Original assignee: Shenzhen Hospital University of Hong Kong
Current assignee: Shenzhen Hospital University of Hong Kong
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-12-10
Anticipated expiration: 2030-12-01

Abstract

The utility model relates to a stone-taking basket structure, which comprises an outer sheath, a handle arranged at one end of the outer sheath, a guide wire which is arranged in the outer sheath in a penetrating way and is provided with a basket, and a pushing mechanism which is arranged on the handle and is connected with the guide wire; the pushing mechanism comprises a sliding block which is connected with the guide wire and can be arranged on the handle in a sliding mode, and an elastic piece which is connected with the sliding block to drive the sliding block to reset; the pushing mechanism also comprises a pushing state that the sliding block slides towards a first direction under the action of external force, and the guide wire is pushed to penetrate out of the outer sheath and is expanded to form a basket; and when the calculus collected by the basket is crushed, the sliding block slides towards the second direction under the action of the elasticity of the elastic part to drive the basket to be recovered into the contracted state of the outer sheath. The stone-taking basket structure has the advantages of simple and convenient operation and high operation efficiency.

Description

Stone-taking basket structure

Technical Field

The utility model relates to a medical instrument, more specifically say, relate to a get stone basket structure.

Background

In the related art, the calculus removing basket usually manually pushes the sliding block to slide towards the first direction so as to drive the guide wire in the sheath to penetrate out to form a basket structure, and then when calculus collected by the basket is crushed, the sliding block is manually pushed to slide towards the second direction again so as to retract the guide wire into the sheath.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in that, a modified stone basket structure of getting is provided.

The utility model provides a technical scheme that its technical problem adopted is: constructing a stone-taking basket structure, which comprises an outer sheath, a handle arranged at one end of the outer sheath, a guide wire which is arranged in the outer sheath in a penetrating way and is provided with a basket, and a pushing mechanism which is arranged on the handle and is connected with the guide wire;

the pushing mechanism comprises a sliding block which is connected with the guide wire and can be arranged on the handle in a sliding mode, and an elastic piece which is connected with the sliding block to drive the sliding block to reset;

the pushing mechanism also comprises a pushing state that the sliding block slides towards a first direction under the action of external force, and the guide wire is pushed to penetrate out of the outer sheath and is expanded to form a basket; and when the calculus collected by the basket is crushed, the sliding block slides towards the second direction under the action of the elasticity of the elastic part to drive the basket to be recovered into the contracted state of the outer sheath.

Preferably, the handle comprises a first end attached to the outer sheath, and a second end disposed distal to the first end;

the elastic piece is an elastic band, one end of the elastic band is connected with the first end of the handle, and the other end of the elastic band is connected with the sliding block.

Preferably, the handle is provided with a guide groove for guiding the sliding block.

Preferably, the pushing mechanism further comprises a pushing catheter arranged in the handle for pushing the guide wire;

the slider is arranged on the pushing guide pipe.

Preferably, a limiting structure for limiting the sliding distance of the sliding block is arranged on the pushing guide pipe.

Preferably, the limiting structure comprises a limiting pipe, one end of the limiting pipe is sleeved on a part of the pushing conduit from one end far away from the outer sheath, and the other end of the limiting pipe is fixed in the handle;

the length of the limiting pipe is smaller than that of the pushing guide pipe.

Preferably, get stone basket structure still including connect in clamping structure on the handle to the centre gripping is fixed in the confession on the rubble operator operates carry out the rubble operation when pushing mechanism carries out the quarrying.

Preferably, the stone extraction basket structure further comprises a connecting assembly detachably connecting the clamping structure to the handle.

Preferably, the stone extraction basket structure further comprises a positioning structure connected with the clamping structure to position the handle.

Preferably, the clamping structure comprises a clip;

the positioning structure comprises a positioning soft chain, one end of the positioning soft chain is connected with the handle, and the other end of the positioning soft chain is connected with the clamp.

Implement the utility model discloses a get stone basket structure has following beneficial effect: this calculus extraction basket structure is through setting up this pushing mechanism, the accessible slider promotes this seal wire to wear out and open formation basket and get the calculus to the epitheca when sliding to first direction under the exogenic action, and can slide to the second direction when the calculus that the basket was gathered the elastic action of this slider accessible elastic component and drive the basket and retrieve into the epitheca, this calculus extraction basket structure is got the calculus at every turn and can only need slider of manual operation once, can supply the single operation of rubble operator, this calculus extraction basket structure has easy and simple to handle, advantages that operating efficiency is high.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a schematic view of a pushing mechanism of a stone basket structure in some embodiments of the present invention in a pushing state;

fig. 2 is a schematic view of the pushing mechanism of the stone-taking basket structure of fig. 1 in a contracted state.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 and 2 show some preferred embodiments of the stone basket structure of the present invention. The stone-taking basket structure can be used for collecting stones in human bodies so as to facilitate stone-breaking operations of stone-breaking operators. The stone-taking basket has the advantages of simple structure, simple and convenient operation, high operation efficiency and single-person operation.

Further, as shown in fig. 1 and 2, in some embodiments, the stone basket structure may comprise an outer sheath 10, a guide wire, a handle 30, and a pushing mechanism 40. The outer sheath 10 is configured to extend into the body. The guide wire can be arranged in the outer sheath 10 in a penetrating way, and a basket is arranged at one end of the guide wire and can penetrate out of the outer sheath 10 to collect stones. The handle 10 may be disposed at one end of the sheath 10 for gripping by an operator. The pushing mechanism 40 can be disposed on the handle 30 and can be coupled to the guidewire to push the guidewire out of the sheath 10 or into the sheath 10.

Further, in some embodiments, the outer sheath 10 may be in the shape of an elongated tube with two ends penetrating through the tube, and the inner side may form a channel for a guide wire to pass through. The sheath 10 may be a flexible tube made of soft metal. One end of the sheath 10 may be fixed to the handle 30 and the other end may form a free end to facilitate insertion into the human body.

Further, in some embodiments, the guide wire may be a metal guide wire, the length of the guide wire may be slightly greater than the length of the outer sheath 10, one end of the guide wire may be connected to the pushing mechanism 40 on the handle 30, and the other end of the guide wire may be passed out of the outer sheath 10 to form a basket 20 for collecting stones, or retracted into the outer sheath 10.

Further, in some embodiments, the handle 30 can be disposed lengthwise, and can include a first end that can be coupled to the outer sheath 10 and a second end that can be disposed distal to and opposite the first end. The handle 30 may have a hollow structure with an opening at one end, and the opening may be provided at a first end of the handle 30. The handle 30 may be provided with a guide groove 31, and the guide groove 31 may be provided along a length direction of the handle 30 to slidably guide the slider 41.

Further, in some embodiments, the pushing structure 40 may include a slider 41 and an elastic member 42. The slider 41 can be connected to the guide wire and can be slidably disposed on the handle 30. Specifically, the slider 41 may be disposed to protrude from the guide groove 31. The elastic member 42 can be connected to the sliding block 41 to drive the sliding block 41 to return. In some embodiments, the elastic member 42 may be an elastic band, one end of which may be connected to the first end of the handle 30 and the other end of which may be connected to the slider 41. In some embodiments, the second end of the handle 30 may define a first direction in which the slider 41 slides and the first end of the handle 30 may define a second direction in which the slider 41 slides.

In some embodiments, the pushing structure 40 can include a push catheter disposed in the handle 30, which can be used to push the guidewire. The slider 41 can be disposed on the push catheter, which can be disposed in the handle 30, and located in the guide groove 31, and can be disposed along the length direction of the handle 30. The sliding block 41 can drive the pushing catheter to push out or retract the guide wire into the sheath 10 when sliding. In some embodiments, the pusher catheter may be a metal tube. In some embodiments, a stop structure is provided on the pusher catheter, which can be used to stop the pushing mechanism 40. In some embodiments, the limiting structure may be a limiting tube, the outer diameter of the limiting tube is larger than the outer diameter of the pushing catheter, and the length of the limiting tube is smaller than the length of the pushing catheter, one end of the limiting tube may be sleeved on a part of the pushing catheter from an end away from the outer sheath 10, and the other end of the limiting tube may be fixed in the handle 30, which can limit the sliding of the sliding block 41. In some embodiments, the restraining tube may be a plastic tube, although it will be appreciated that in other embodiments, the restraining tube may not be limited to a plastic tube.

Further, in some embodiments, the pushing mechanism 40 may include a pushed state and a retracted state. When the pushing mechanism 40 is in the pushing state, the sliding block 41 can slide in the first direction under the action of external force, so that the guide wire can be pushed out of the outer sheath 10 and expanded to form the basket 20 for the stone-mining operation. When the pushing mechanism 40 is in the contracted state, the sliding block 41 can slide in the second direction under the elastic force of the elastic member when the stones collected by the basket 20 are crushed, so as to drive the basket 20 to be retracted into the outer sheath 10.

Further, in some embodiments, the stone basket structure may further include a clamp structure 50, and the clamp structure 50 may be connected to the handle 30 to be clamped and fixed to a stone crushing operator. Through this clamping structure 50, the rubble operator can be fixed in on one's body with 50 centre gripping of this clamping structure, for example on collar or the sleeve to be convenient for this rubble operator carries out the rubble operation when operating pushing mechanism 40 to adopt the stone, and then need not extra medical personnel and assist and can accomplish adopt stone and rubble work, thereby can practice thrift the human cost, and be convenient for the rubble operator carries out the rubble better. In some embodiments, the clip structure 50 may be a conventional clip.

Further, in some embodiments, the stone basket structure may further include a positioning structure 60, one end of the positioning structure 60 may be connected to the holding structure 50, and the positioning structure 60 may be used to position the handle 30, so as to facilitate the lithotripter to collect stones more accurately. In some embodiments, the positioning structure 60 may be a positioning soft chain. One end of the positioning soft chain can be connected with the handle 30, the other end of the positioning soft chain can be connected with the clamp, the positioning soft chain can be formed by sequentially splicing a plurality of metal spheres, and the positioning soft chain can be positioned through deformation.

Further, in some embodiments, the stone basket structure may further include a coupling assembly 70 that may be used to removably couple the clamp structure 50 to the handle 30. In some embodiments, the connecting assembly 70 may be a clip that is disposed on the handle 30, and the flexible positioning chain may be connected to the clip at one end and the clip at the other end.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. The stone-taking basket structure is characterized by comprising a sheath tube (10), a handle (30) arranged at one end of the sheath tube (10), a guide wire which is arranged in the sheath tube (10) in a penetrating way and is provided with a basket (20), and a pushing mechanism (40) which is arranged on the handle (30) and is connected with the guide wire;

the pushing mechanism (40) comprises a sliding block (41) which is connected with the guide wire and can be arranged on the handle (30) in a sliding mode, and an elastic piece (42) which is connected with the sliding block (41) to drive the sliding block (41) to reset;

the pushing mechanism (40) further comprises a pushing state that the sliding block (41) slides towards the first direction under the action of external force, the guide wire is pushed to penetrate out of the sheath tube (10) and is expanded to form a basket (20); and when the calculus collected by the basket (20) is crushed, the sliding block (41) slides towards the second direction under the action of the elastic force of the elastic piece (42) to drive the basket (20) to be recovered into the contraction state of the sheath tube (10).

2. The stone extraction basket structure of claim 1, wherein the handle (30) comprises a first end connected to the sheath (10) and a second end disposed distal to the first end;

the elastic piece is an elastic band, one end of the elastic band is connected with the first end of the handle (30), and the other end of the elastic band is connected with the sliding block (41).

3. The stone-taking basket structure according to claim 1, characterized in that the handle (30) is provided with a guide groove (31) for guiding the slide block (41).

4. The stone extraction basket structure of claim 1, wherein the pushing mechanism (40) further comprises a pushing catheter disposed in the handle (30) to push the guide wire;

the sliding block (41) is arranged on the pushing guide pipe.

5. The stone extraction basket structure according to claim 4, wherein the pushing conduit is provided with a limiting structure for limiting the sliding distance of the sliding block (41).

6. The stone-taking basket structure according to claim 5, wherein the limiting structure comprises a limiting pipe, one end of which is sleeved on a part of the pushing catheter from the end far away from the sheath pipe (10), and the other end of which is fixed in the handle (10);

the length of the limiting pipe is smaller than that of the pushing guide pipe.

7. The basket structure according to claim 1, further comprising a gripping structure (50) connected to the handle (30) for gripping and securing to a lithotripter operator for operating the pushing mechanism (40) for lithotripter operation while performing lithotripter operation.

8. The stone basket structure according to claim 7, further comprising a connection assembly (70) removably connecting the clamp structure (50) to the handle (30).

9. The stone basket structure according to claim 7, further comprising a positioning structure (60) connected with the clamping structure (50) to position the handle (30).

10. The stone-extraction basket structure according to claim 9, wherein the gripping structure (50) comprises a clip;

the positioning structure (60) comprises a positioning soft chain, one end of the positioning soft chain is connected with the handle (30), and the other end of the positioning soft chain is connected with the clamp.