CN210904578U - Guide wire manipulator - Google Patents

Abstract

The utility model relates to a medical equipment's technical field provides a seal wire manipulator, including outer sleeve, seal wire sleeve lock cover, outer seal wire latch fitting, endotheca part, interior seal wire lock cover and interior seal wire latch fitting, be provided with between outer seal wire latch fitting and the seal wire sleeve lock cover and be used for pressing from both sides tightly and loosen the promptly structure of seal wire overcoat, be provided with between interior seal wire latch fitting and the interior seal wire lock cover and be used for pressing from both sides tightly and loosen the locking structure of interior seal wire. Compared with the prior art, the utility model provides a seal wire manipulator can press from both sides tightly simultaneously and loosen seal wire overcoat and interior seal wire, makes operating personnel can operate seal wire overcoat and interior seal wire simultaneously, and convenient operation is used, has improved the security and the maneuverability of interveneeing the operation to shorten the operation time, reduce doctor's physical power and energy consumption.

Description

Guide wire manipulator

Technical Field

The utility model belongs to the technical field of medical equipment's technique and specifically relates to a seal wire operation ware is related to.

Background

At present, in a minimally invasive tubular interventional operation, an operator generally wears gloves to operate a guide wire to steer, advance and retreat, and the guide wire is thin and has a diameter of only 1mm, so that the operation is very inconvenient by wearing the gloves, misoperation is easily caused, and the operation time is prolonged; and the operation requires a great concentration of energy, thereby consuming too much physical and energy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seal wire manipulator to it is big to solve the intervention operation seal wire operation degree of difficulty that exists among the prior art, technical problem that wastes time and energy.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a guide wire manipulator for manipulating a guide wire assembly, the guide wire assembly comprising an inner guide wire and a guide wire sheath surrounding the inner guide wire, wherein the guide wire manipulator comprises:

an outer sleeve;

the end surface of the guide wire sleeve locking sleeve is provided with a guide wire receiving opening for the guide wire outer sleeve to pass through, and the guide wire sleeve locking sleeve is sleeved on the end part of the outer sleeve;

the outer guide wire locking piece is provided with an outer guide wire through groove for the guide wire outer sleeve to slide in and out, and the outer guide wire locking piece is arranged in the outer sleeve and can move along the axial direction of the outer sleeve; a grasping structure is arranged between the outer guide wire locking piece and the guide wire sleeve locking sleeve and is used for clamping and loosening the guide wire outer sleeve;

an inner sleeve member connected to the outer guide wire locking member and having a guide wire receiving groove through which the inner guide wire passes and a cavity communicating with the guide wire receiving groove, the inner sleeve member being movably disposed in the outer sleeve;

an inner guidewire sleeve comprising an inner sleeve portion slidably disposed within the cavity;

the inner guide wire locking piece is provided with an inner guide wire through groove for the inner guide wire to slide in and out, a guide wire through groove corresponding to the inner guide wire through groove is formed in the inner guide wire locking sleeve, and the inner guide wire locking piece is arranged in the inner sleeve part in a sliding manner; and a locking structure is arranged between the inner guide wire locking piece and the inner guide wire locking sleeve and is used for clamping and loosening the inner guide wire.

Further, the gripping structure includes at least two resilient jaws formed on an end of the outer guidewire lock and extending axially of the outer sleeve and a clamping cavity formed on the guidewire sleeve lock; the clamping cavity is used for placing at least two elastic clamping jaws, and jacking the elastic clamping jaws to move inwards in the radial direction of the outer sleeve and press the guide wire outer sleeve tightly after the at least two elastic clamping jaws are placed in the clamping cavity, the clamping cavity is communicated with the guide wire receiving opening, and the at least two elastic clamping jaws are arranged at intervals along the circumferential direction of the outer guide wire locking piece.

Furthermore, a clamping sleeve is formed on the guide wire sleeve locking piece, the clamping cavity is located in the clamping sleeve, and an outer guide anti-loosening structure is arranged between the clamping sleeve and the outer guide wire locking piece so as to limit the separation of the clamping sleeve and the outer guide wire locking piece in the axial direction of the outer sleeve.

Further, the guide wire sleeve lock sleeve is rotatably arranged on the end part of the outer sleeve; the side wall of the outer sleeve is convexly provided with a lock catch ring, and the side wall of the wire guide sleeve lock sleeve is provided with a lock catch groove matched and clamped with the lock catch ring.

Furthermore, a steering positioning structure is arranged between the outer sleeve and the guide wire sleeve lock sleeve so as to position the guide wire sleeve lock sleeve after rotation.

Further, the locking structure comprises at least two elastic snap arms formed on the end of the inner guide wire lock and extending in the axial direction of the outer sleeve and a locking cavity formed on the inner lock sleeve portion of the inner guide wire lock sleeve; the locking cavity is used for placing at least two elastic clamping arms, and jacking the elastic clamping arms to move inwards in the radial direction of the outer sleeve and press the inner guide wire after the at least two elastic clamping arms are placed, the locking cavity is communicated with the guide wire through grooves, and the at least two elastic clamping arms are arranged at intervals along the circumferential direction of the inner guide wire locking piece.

Furthermore, an inner guide anti-loosening structure is arranged between the inner lock sleeve part and the inner guide wire lock piece so as to limit the separation of the inner lock sleeve part and the inner guide wire lock piece in the axial direction of the outer sleeve.

Furthermore, a guide rail sliding groove used for guiding the connecting part of the inner guide wire locking sleeve to slide is formed in the side wall of the outer sleeve, and a track sliding groove corresponding to the guide rail sliding groove is formed in the side wall of the inner sleeve part; the side wall of the outer sleeve is provided with an outer sleeve locking groove for the connecting part to slide in and out and communicated with the guide rail sliding groove, and the side wall of the inner sleeve part is provided with an inner sleeve transition groove which corresponds to the outer sleeve locking groove and is communicated with the rail sliding groove.

Further, the inner guide wire locking piece is provided with a locking column part which extends outwards from the side wall of the inner guide wire locking piece along the radial direction of the outer sleeve, and the locking column part is arranged in the track sliding groove in a sliding mode; the side wall of the inner sleeve part is provided with an inner sleeve locking groove for the locking column part to slide in and out and communicated with the rail sliding groove, and the side wall of the outer sleeve is provided with an outer sleeve transition groove which corresponds to the inner sleeve locking groove and is communicated with the guide rail sliding groove.

Furthermore, an accommodating groove for the locking column part to slide in and slide out is formed in the operation part of the inner guide wire locking sleeve, and the accommodating groove extends along the axial direction of the outer sleeve.

Compared with the prior art, the utility model provides a seal wire operation ware, adopt guide wire sleeve lock tube, outer seal wire latch fitting, interior guide wire lock tube and interior guide wire latch fitting, be provided with between outer seal wire latch fitting and the guide wire sleeve lock tube and be used for pressing from both sides tightly and loosen the promptly structure of seal wire overcoat, be provided with between interior guide wire latch fitting and the interior guide wire lock tube and be used for pressing from both sides tightly and loosen the locking structure of interior guide wire, thus, can press from both sides tightly simultaneously and loosen seal wire overcoat and interior guide wire, make operating personnel can operate seal wire overcoat and interior guide wire simultaneously, facilitate the operation and use, the security and the maneuverability of intervening in the operation have been improved, and shorten the operation time, reduce doctor's physical power and energy.

Drawings

Fig. 1 is an exploded view of a guidewire manipulator and guidewire assembly provided by embodiments of the present invention;

fig. 2 is a schematic front view of a guidewire manipulator and guidewire assembly provided by an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along plane P-P of FIG. 2;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is an enlarged view of portion B of FIG. 3;

fig. 6 is a schematic top view of a guidewire manipulator and guidewire assembly provided by embodiments of the present invention;

FIG. 7 is a cross-sectional view taken along plane Q-Q of FIG. 6;

FIG. 8 is an enlarged view of portion C of FIG. 7;

FIG. 9 is an enlarged view of portion D of FIG. 7;

fig. 10 is a perspective view of a guidewire manipulator and guidewire assembly in a first state as provided by an embodiment of the present invention;

fig. 11 is a perspective view of a second state of the guidewire manipulator and guidewire assembly provided by embodiments of the present invention;

fig. 12 is a perspective view of a third state of the guidewire manipulator and guidewire assembly provided by embodiments of the present invention;

fig. 13 is a perspective view of a fourth state of the guide wire manipulator and the guide wire assembly according to the embodiment of the present invention.

Description of the main elements

100: guidewire manipulator 10 a: grasping structure

10 b: locking structure 10 c: external guide anti-loosening structure

10 d: steering positioning structure 10 e: internal guide anti-loosening structure

10 f: anti-drop limit structure

10: outer sleeve 11: lock catch ring

12: steering positioning recess 13: mounting flange

14: guide rail runner 15: outer sleeve locking groove

16: outer sleeve transition groove

20: wire guide sleeve lock sleeve 21: guide wire receiving opening

22: the clamping chamber 23: clamping sleeve

24: outer guide concave portion 25: lock catch groove

26: steering positioning convex part

30: outer guidewire lock 31: external guide wire through groove

32: the elastic claw 33: external guide convex part

34: flange end

40: inner sleeve member 41: guide wire receiving groove

42: cavity 43: flange spacing groove

44: convex hull mounting hole 45: guide limiting groove

46: the track runner 47: inner sleeve transition groove

48: inner sleeve locking groove

50: inner guide wire lock sleeve 51: inner lock sleeve part

52: guide wire passing groove 53: operation part

54: connection portion 55: locking cavity

56: inner guide concave portion 57: containing groove

60: inner guide wire lock 61: inner guide wire through groove

62: elastic clip arm 63: inner guide convex part

64: locking column

71: the push rod 72: sleeve end cover

73: inner sleeve bolt 731: convex hull

74: the limit pin 75: sleeve bolt

200: the guide wire assembly 201: inner guide wire

202: guide wire coat

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It is to be understood that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is provided for the implementation of the present invention with reference to the specific drawings.

For convenience, the directions "front" and "rear" in the present invention are based on the direction of the product, and the direction toward the front of the thread guide manipulator in the attached drawings is "front", but not limiting the structure of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

As shown in fig. 1 to 13, a preferred embodiment of the present invention is provided.

The guide wire manipulator 100 provided in this embodiment is used for operating a guide wire assembly 200, where the guide wire assembly 200 includes an inner guide wire 201 and a guide wire outer sheath 202 covering the outer periphery of the inner guide wire 201, and the guide wire manipulator 100 includes an outer sleeve 10, a guide wire sheath lock sleeve 20, an outer guide wire lock 30, an inner sleeve member 40, an inner guide wire lock sleeve 50, and an inner guide wire lock 60; a guide wire receiving opening 21 for the guide wire outer sleeve 202 to pass through is formed on the end face of the guide wire sleeve locking sleeve 20, and the guide wire sleeve locking sleeve 20 is sleeved on the end part of the outer sleeve 10; the outer guide wire locking piece 30 is provided with an outer guide wire through groove 31 for the guide wire outer sleeve 202 to slide in and out, and the outer guide wire locking piece 30 is arranged in the outer sleeve 10 and can move along the axial direction of the outer sleeve 10; a grasping structure 10a is arranged between the outer guide wire locking part 30 and the guide wire sleeve locking sleeve 20 and is used for clamping and loosening the guide wire outer sleeve 202; the inner housing member 40 is connected to the outer guide wire locking member 30 and has a guide wire receiving groove 41 through which the inner guide wire 201 passes and a cavity 42 communicating with the guide wire receiving groove 41, the inner housing member 40 being movably disposed in the outer sleeve 10; the inner guidewire lock sleeve 50 includes an inner lock sleeve portion 51 slidably disposed within the concavity 42; the inner guide wire locking piece 60 is provided with an inner guide wire through groove 61 for the inner guide wire 201 to slide in and out, the inner guide wire locking sleeve 50 is provided with a guide wire through groove 52 corresponding to the inner guide wire through groove 61, and the inner guide wire locking piece 60 is arranged in the inner sleeve part 40 in a sliding way; a locking structure 10b for clamping and unclamping the inner guide wire 201 is provided between the inner guide wire lock 60 and the inner guide wire lock sleeve 50.

The guide wire manipulator 100 adopts the guide wire sleeve lock sleeve 20, the outer guide wire lock piece 30, the inner guide wire lock sleeve 50 and the inner guide wire lock piece 60, a grasping structure 10a for clamping and loosening the guide wire outer sleeve 202 is arranged between the outer guide wire lock piece 30 and the guide wire sleeve lock sleeve 20, and a locking structure 10b for clamping and loosening the inner guide wire 201 is arranged between the inner guide wire lock piece 60 and the inner guide wire lock sleeve 50, so that the guide wire outer sleeve and the inner guide wire can be clamped and loosened simultaneously, an operator can operate the guide wire outer sleeve and the inner guide wire simultaneously, the operation and the use are convenient, the safety and the operability of an interventional operation are improved, the operation time is shortened, and the physical strength and the energy consumption of a doctor are reduced.

Referring to fig. 1 to 13, the guide wire manipulator 100 of the present embodiment is used for performing operations such as inner and outer layer clamping and fixing, inner layer back and forth movement, and outer layer rotation movement on a guide wire assembly 200, the guide wire assembly 200 includes a guide wire outer sleeve 202 located at an outer layer and an inner guide wire 201 disposed inside the guide wire outer sleeve 202, both the guide wire outer sleeve 202 and the inner guide wire 201 are made of a metal material, preferably a stainless steel material, and particularly, the guide wire outer sleeve 202 is wound in a spiral structure, so that the guide wire outer sleeve 202 has a function of free deformation.

Referring to fig. 1-13, the guidewire manipulator 100 of this embodiment includes an outer sleeve 10, a guidewire sleeve lock 20, an outer guidewire lock 30, an inner sleeve member 40, an inner guidewire lock 50, an inner guidewire lock 60, and a push rod 71, all of which are, but not limited to, plastic members.

Referring to fig. 1 to 13, the outer sleeve 10 is substantially hollow and cylindrical, and includes a front end (an end for inserting and withdrawing the guide wire assembly 200) and a rear end, the guide wire sleeve lock 20 is mounted on the front end of the outer sleeve 10, the push rod 71 is disposed in the outer sleeve 10 and extends out of the rear end of the outer sleeve 10, the rear end of the outer sleeve 10 is connected to the sleeve end cap 72, and the sleeve end cap 72 and the outer sleeve 10 can be connected and fixed by any conventional fixing means such as threads and welding.

Referring to fig. 1 to 13, the guide wire sleeve locking sleeve 20 is fixedly sleeved on the front end of the outer sleeve 10, and also can be movably installed on the front end of the outer sleeve 10, and a guide wire receiving opening 21 for the guide wire outer sleeve 202 to pass through is formed on the end surface of the guide wire sleeve locking sleeve 20.

Referring to fig. 1 to 13, an outer guide wire locking member 30 is provided inside the outer sleeve 10 and is capable of moving in the axial direction of the outer sleeve 10, and the outer guide wire locking member 30 has an outer guide wire passage 31 for sliding in and out of the guide wire outer sheath 202. A grasping structure 10a is provided between the outer wire locker 30 and the wire sleeve locker 20 for clamping and fixing the wire sleeve 202 when the outer wire locker 30 moves toward the wire sleeve locker 20 and releasing the wire sleeve 202 when the outer wire locker 30 is separated from the wire sleeve locker 20. It can be easily understood that the guide wire assembly 200 enters the interior of the product from the front end of the guide wire manipulator 100, i.e. the guide wire receiving opening 21 of the guide wire sleeve locking sleeve 20, sequentially passes through the outer guide wire through groove 31 of the outer guide wire locking member 30, pushes the outer guide wire locking member 30 to move forward, and the grasping structure 10a clamps and fixes the guide wire outer sleeve 202 between the outer guide wire locking member 30 and the guide wire sleeve locking sleeve 20, thereby realizing the fixation of the guide wire manipulator 100 to the guide wire outer sleeve 202; through promoting outer seal wire latch fitting 30 rearward movement, outer seal wire latch fitting 30 and the separation of seal wire cover lock sleeve 20, simultaneously seal wire overcoat 202 pine takes off, like this, seal wire overcoat 202 promptly takes off the convenience with the pine, only needs the one-hand operation to realize to simplified the operation degree of difficulty, improved the convenience of use.

Referring to fig. 1 to 13, the grip structure 10a includes at least two elastic claws 32 formed on the end of the outer wire lock 30 and extending in the axial direction of the outer sleeve 10 and a clamping cavity 22 formed on the wire sleeve lock 20; the clamping cavity 22 is used for accommodating at least two elastic claws 32, and after the at least two elastic claws 32 are accommodated, the elastic claws 32 are pressed against the elastic claws 32 in the radial direction of the outer sleeve 10 to enable the elastic claws 32 to move inwards and press the guide wire outer sleeve 202 tightly, the clamping cavity 22 is communicated with the guide wire receiving opening 21, and the at least two elastic claws 32 are arranged at intervals along the circumferential direction of the outer guide wire locking piece 30. In this embodiment, the number of the elastic claws 32 is, but not limited to, two, the elastic claws 32 extend forward from the front end of the outer guide wire locking member 30 in the axial direction of the outer sleeve 10, and the two elastic claws 32 have a predetermined deformation gap, which is communicated with the outer guide wire through groove 31 and through which the guide wire sheath 202 passes, and the cross-sectional area dimension of the deformation gap is larger than that of the guide wire sheath 202. It will be appreciated that as the outer wire lock 30 moves forwardly, the forward ends of the resilient fingers 32 move radially inwardly of the outer sleeve 10 and grip the stationary wire sheath 202 by squeezing the walls of the clamping lumen 22; when moving backward, the pressing force on the elastic claws 32 is removed, and the front ends of the elastic claws 32 elastically return outward to release the guide wire sheath 202.

In yet another embodiment, the resilient fingers 32 are formed on the wire sleeve lock sheath 20 and the end of the outer wire lock 30 is formed with the clamping lumen 22 for the resilient fingers 32 to compress upon deformation after insertion.

Referring to fig. 1 to 13, in the present embodiment, the inner wall of the clamping chamber 22 has a tapered end with a diameter decreasing from the rear to the front, and the outer edge of the front end of the elastic claw 32 is provided with a chamfered portion, so that the inner diameter of the clamping chamber 22 becomes smaller and smaller as the outer wire locking piece 30 moves forward, and the chamfered portion guides the movement of the elastic claw 32.

Referring to fig. 1 to 13, the guide wire sleeve lock sleeve 20 is formed with a clamping sleeve 23, and the clamping lumen 22 is located in the clamping sleeve 23, and it will be readily understood that a space for the insertion of the front end of the outer sleeve 10 is formed between the outer wall of the clamping sleeve 23 and the inner wall of the guide wire sleeve lock sleeve 20.

In yet another embodiment, the guide wire sleeve locking sleeve 20 is embedded in the outer sleeve 10 and the clamping cavity 22 is formed in the middle of the rear end face thereof.

Referring to fig. 1 to 13, an outer guide wire locking member 30 is provided between the clamping sleeve 23 and the outer guide wire locking member 30 to restrict the outer sleeve 10 from being disengaged in the axial direction thereof. In this embodiment, the outer guide release preventing structure 10c includes an outer guide convex portion 33 protruding from the side wall of the outer guide wire lock 30, and an outer guide concave portion 24 formed on the inner wall of the clamp sleeve 23 and engaged with the outer guide convex portion 33, and the positions of the guide wire sleeve lock sleeve 20 and the outer guide wire lock 30 in the axial direction of the outer sleeve 10 are maintained after the outer guide convex portion 33 is engaged with the outer guide concave portion 24. It should be noted that the position of the outer guide anti-loosening structure 10c is set at the position of the guide wire outer sleeve 202 when it is clamped, that is, after the guide wire outer sleeve 202 is clamped and fixed, the outer guide convex part 33 and the outer guide concave part 24 are engaged, and the position of the clamping sleeve 23 and the outer guide wire locking part 30 is maintained by the outer guide anti-loosening structure 10c, so that the guide wire outer sleeve 202 is clamped and fixed without being loosened at will, and at this time, the inner guide wire 201 can be pulled, the guide wire outer sleeve 202 can be steered, and the like.

In other embodiments, the inner wall of the clamping sheath 23 is formed with an outer guiding protrusion 33, and the side wall of the outer guiding wire locking piece 30 is formed with an outer guiding recess 24 which is engaged with the outer guiding protrusion 33.

Referring to fig. 1 to 13, in the present embodiment, the outer guide convex portion 33 is provided to extend along the entire circumference of the outer guide wire lock 30, and the outer guide concave portion 24 also extends along the entire circumference of the clamping sleeve 23, so that the guide wire sleeve lock sleeve 20 and the outer guide wire lock 30 can be rotated relative to each other, and even if rotated, the positions of the clamping sleeve 23 and the outer guide wire lock 30 can be maintained in the axial direction.

Referring to fig. 1 to 13, in the present embodiment, the guide wire sleeve lock sleeve 20 is sleeved on the end portion of the outer sleeve 10 and can rotate relative to the outer sleeve 10 by taking the axial direction of the outer sleeve 10 as an axis, and it should be mentioned that the guide wire outer sleeve 202 is made into a predetermined hook shape in the production process, and then is installed on the inner guide wire 201, and the front end of the guide wire outer sleeve 202 is made to be linear by the support of the inner guide wire 201; after the guide wire outer sleeve 202 is clamped and fixed by the grasping structure 10a, the inner guide wire 201 is pulled backwards for a preset distance, so that the inner end of the guide wire outer sleeve 202 deforms to be in the preset hook shape due to the pulling-out of the inner guide wire 201 to hook the surgical site of a patient, and as the guide wire sleeve lock sleeve 20 and the outer sleeve 10 can rotate relatively, and the outer guide wire lock piece 30 is pressed on the guide wire sleeve lock sleeve 20, the front end of the hook shape of the guide wire outer sleeve 202 can rotate for a certain angle by rotating the guide wire sleeve lock sleeve 20, the site can be hooked better, the operation efficiency is improved, and the normal operation of the surgery is ensured.

In other embodiments, the guide wire sleeve lock sleeve 20 may be threadably secured to the end of the outer sleeve 10 or snap-fit secured to the end of the outer sleeve 10.

Referring to fig. 1 to 13, the sidewall of the outer sleeve 10 is convexly provided with two latching rings 11, and the inner sidewall of the guide wire sleeve locking sleeve 20 is provided with two latching grooves 25 engaged with the latching rings 11, in this embodiment, the number of the latching rings 11 is, but not limited to, two latching rings 11 respectively extend along the entire circumference of the outer sleeve 10 and are arranged at intervals in the axial direction of the outer sleeve 10. It will be readily understood that the outer sleeve 10 and the outer sleeve 10 are locked in the axial direction of the outer sleeve 10 by the snap ring 11 being snapped into the snap grooves 25 of the outer sleeve 10 and can be rotated relative to each other.

Referring to fig. 1 to 13, a steering positioning structure 10d is provided between the outer sleeve 10 and the guide wire sleeve lock sleeve 20 to position the guide wire sleeve lock sleeve 20 after rotation. In the present embodiment, the steering positioning structure 10d includes the steering positioning convex portion 26 formed on the guide wire sleeve lock sleeve 20, and the steering positioning concave portion 12 formed on the outer sleeve 10 and allowing the steering positioning convex portion 26 to slide in and out, the number of the steering positioning convex portion 26 is, but not limited to, one, and the number of the steering positioning concave portion 12 is plural, and the steering positioning convex portion is arranged at intervals in the circumferential direction of the outer sleeve 10.

Specifically, the side wall of the outer sleeve 10 is convexly provided with a fitting flange 13, the steering positioning concave portion 12 is located on the end face of the fitting flange 13, and the steering positioning convex portion 26 is convexly provided on the rear end face of the guide sleeve lock sleeve 20. It will be readily appreciated that the use of the steering positioning structure 10d enables the position of the guide wire sleeve lock sleeve 20 to be locked circumferentially to prevent rotation when rotation is not required and to lock the rotated position when rotation is required.

Referring to fig. 1 to 13, the inner sleeve member 40 has a substantially cylindrical shape for moving the outer guide wire lock 30, and the inner sleeve member 40 is disposed in the outer sleeve 10 and connected to the outer guide wire lock 30 and is movable in the axial direction of the outer sleeve 10. In this embodiment, the inner sleeve member 40 is in clearance fit with the outer sleeve 10, and the outer guide wire lock 30 is rotatably disposed on the inner sleeve member 40. The inner sleeve member 40 has a guide wire receiving groove 41 through which the inner guide wire 201 passes and a cavity 42 communicating with the guide wire receiving groove 41, the cavity 42 is located at the rear half of the inner sleeve member 40 and is opened rearward, a flange limiting groove 43 is provided at the front end of the inner sleeve member 40, the outer guide wire locking member 30 has a flange end 34 located at the rear end thereof, the flange end 34 is placed in the flange limiting groove 43, and the flange limiting groove 43 limits the flange end 34 of the outer guide wire locking member 30 in the axial direction of the outer sleeve 10, so that the front and rear movement of the inner sleeve member 40 can drive the outer guide wire locking member 30 to move forward and backward, and after the guide wire outer sleeve 202 is fastened, the guide wire sleeve locking member 20 can be rotated relative to the inner sleeve member 40. It is worth mentioning that the outer guide wire locking member 30, the inner sleeve member 40, and the outer sleeve 10 are coaxially disposed, and the outer guide wire through groove 31, the guide wire receiving groove 41, and the cavity 42 are sequentially communicated in the axial direction of the outer sleeve 10.

Referring to fig. 1-13, the inner guide wire sleeve 50 includes an inner sleeve portion 51 slidably disposed within the cavity 42 and having a cross-section that is, but not limited to, circular, with a clearance fit between the inner sleeve portion 51 and the cavity 42 of the inner sleeve member 40. In this embodiment, the inner wire locking sleeve 50 includes an inner locking sleeve portion 51 slidably disposed in the cavity 42, an operating portion 53 disposed outside the outer sleeve 10, and a connecting portion 54 connecting the inner locking sleeve portion 51 to the operating portion 53, so that the inner wire locking sleeve 50 can be moved in the axial direction of the outer sleeve 10 by manually pushing the operating portion 53.

Referring to fig. 1 to 13, an inner guide wire locking piece 60 having an inner guide wire through groove 61 for the inner guide wire 201 to slide in and out, the inner guide wire locking sleeve 50 being opened with a guide wire through groove 52 communicating with the inner guide wire through groove 61, the inner guide wire locking piece 60 being slidably disposed in the inner sheath member 40; a locking structure 10b is arranged between the inner guide wire locking piece 60 and the inner guide wire locking sleeve 50, and is used for clamping and fixing the inner guide wire 201 when the inner guide wire locking piece 60 moves towards the inner guide wire locking sleeve 50, and loosening the inner guide wire 201 when the inner guide wire locking piece 60 is separated from the inner guide wire locking sleeve 50. It should be noted that the guide wire receiving opening 21, the outer guide wire through groove 31, the guide wire receiving groove 41, the guide wire passing groove 52, and the inner guide wire through groove 61 are sequentially communicated to form a guide wire receiving passage.

Referring to fig. 1 to 13, the locking structure 10b includes at least two resilient catch arms 62 formed on the end of the inner guidewire lock 60 and extending in the axial direction of the outer sleeve 10 and a locking cavity 55 formed on the inner lock sleeve portion 51 of the inner guidewire lock sleeve 50; the locking cavity 55 is used for accommodating at least two elastic clamping arms 62, and after the at least two elastic clamping arms 62 are inserted, the elastic clamping arms 62 are pressed against the elastic clamping arms 62 in the radial direction of the outer sleeve 10, so that the elastic clamping arms 62 move inwards and press the inner guide wire 201, the locking cavity 55 is communicated with the guide wire passing groove 52, and the at least two elastic clamping arms 62 are arranged at intervals along the circumferential direction of the inner guide wire locking piece 60. In this embodiment, the number of the elastic catching arms 62 is, but not limited to, two, the elastic catching arms 62 extend forward from the front end of the inner guide wire locking member 60 in the axial direction of the outer sleeve 10, and the two elastic catching arms 62 have a predetermined deformation gap, communicate with the inner guide wire through groove 61, and allow the inner guide wire 201 to pass through, and the cross-sectional area size of the deformation gap is larger than that of the inner guide wire 201. It will be appreciated that when the inner guide wire locking member 60 is moved forward, the front end of the elastic catching arm 62 is moved inward in the radial direction of the outer sleeve 10 by pressing the cavity wall of the locking cavity 55 and clamps the inner guide wire 201; when moving backward, the pressing force applied to the elastic catching arm 62 is removed, and the front end of the elastic catching arm 62 is elastically restored outward to release the inner guide wire 201.

In yet another embodiment, the resilient latch arm 62 is formed on the inner guide wire lock sheath 50 and the end of the inner guide wire lock 60 is formed with the locking lumen 55 described above for the resilient latch arm 62 to compress its deformation after insertion.

Referring to fig. 1 to 13, an inner guide anti-release structure 10e is provided between the inner lock sleeve portion 51 and the inner guide wire lock 60 to restrict the disengagement thereof in the axial direction of the outer sleeve 10. In the present embodiment, the inner guide anti-loose structure 10e includes an inner guide convex portion 63 protruding from the side wall of the inner guide wire lock 60, and an inner guide concave portion 56 formed on the inner wall of the inner lock sleeve portion 51 and engaged with the inner guide convex portion 63, the inner guide convex portion 63 extends along the entire circumferential direction of the inner guide wire lock 60, the inner guide concave portion 56 extends along the entire circumferential direction of the inner guide wire lock sleeve 50, and the positions of the inner guide wire lock sleeve 50 and the inner guide wire lock 60 in the axial direction of the outer sleeve 10 are maintained by the engagement of the inner guide convex portion 63 and the inner guide concave portion 56. It should be noted that, the position of the inner guide anti-loosening structure 10e is set at the position of the inner guide wire 201 when it is clamped, that is, after the inner guide wire 201 is clamped and fixed, the inner guide convex part 63 and the inner guide concave part 56 are engaged and engaged, and the positions of the inner lock sleeve part 51 and the inner guide wire lock part 60 are maintained by the inner guide anti-loosening structure 10e, so that the inner guide wire 201 is clamped and fixed without being loosened arbitrarily, and at this time, the inner guide wire 201 can be pulled back and forth, and the guide wire outer sleeve 202 can be turned, etc. Specifically, the grasping structure 10a arranged at the front end of the guide wire manipulator 100 clamps the guide wire outer sleeve 202, and the locking structure 10b locks the inner guide wire 201, so that the inner guide wire locking piece 60 and the inner guide wire 201 can be driven to move back and forth by stirring the inner guide wire locking sleeve 50 to move back and forth, and the position of the inner guide wire 201 relative to the guide wire outer sleeve 202 is adjusted to adjust the deformation amplitude of the front end of the guide wire outer sleeve 202.

In other embodiments, the inner guide recess 56 is formed on the sidewall of the inner guide wire lock 60 and the inner guide protrusion 63 is formed on the inner wall of the inner lock sleeve portion 51.

Referring to fig. 1 to 13, a push rod 71 has one end connected to the inner housing member 40 and the other end extending beyond the end of the outer sleeve 10. In this embodiment, the pushrod 71 has a circular cross-section with a forward end that extends into the cavity 42 of the inner housing member 40 and is movably connected to the inner wire lock 60 and a rearward end that extends out of the rearward end of the outer sleeve 10. It should be noted that, after the guide wire assembly 200 is placed into the guide wire manipulator 100, the push rod 71 is pushed to move forward, the front end of the push rod 71 pushes the inner guide wire locking piece 60 to move forward, after the inner guide wire locking piece 60 contacts with the inner guide wire locking sleeve 50, the push rod 71 drives the inner guide wire locking sleeve 50 to continue moving forward, after the front end of the inner guide wire locking sleeve 50 contacts with the bottom surface of the cavity 42 of the inner sleeve member 40, the inner sleeve member 40 and the outer guide wire locking piece 30 are pushed to move forward, the outer guide wire locking piece 30 is clamped into the guide wire locking sleeve 20, the grasping structure 10a clamps and fixes the guide wire outer sleeve 202, and the locking structure 10b clamps and fixes the inner guide wire 201, that is, the push rod 71 is pushed, and the guide wire outer sleeve 202 and the inner guide wire 201 of the guide wire assembly 200 can be locked simultaneously, which facilitates the fixation of the guide wire and improves.

Referring to fig. 1 to 13, an anti-slip stopper 10f is provided between the inner sleeve member 40 and the push rod 71 to limit the push rod 71 from being separated from the inner sleeve member 40. In this embodiment, the anti-falling limiting structure 10f includes an inner sleeve bolt 73 sleeved on the push rod 71 and fixed with the inner sleeve member 40, and a limiting pin 74 defined by cooperating with the inner sleeve bolt 73, wherein the limiting pin 74 is fixed on the push rod 71. The inner sleeve bolt 73 has a circular cross section, the inner diameter of the inner sleeve bolt is matched with the outer diameter of the push rod 71, a convex hull 731 is convexly arranged on the outer side wall of the inner sleeve bolt 73, a convex hull installation hole 44 for placing the convex hull 731 is formed in the inner sleeve part 40, and the convex hull 731 is embedded into the convex hull installation hole 44, so that the inner sleeve bolt 73 is fixed in the rear end of the inner sleeve part 40. A guide limit groove 45 is formed on the side wall of the inner sleeve member 40, the guide limit groove 45 extends to the rear end surface of the inner sleeve member 40 along the axial direction of the outer sleeve 10, and the end of the limit pin 74 is placed in the guide limit groove 45, so that when the limit pin 74 slides to the rear end of the inner sleeve member 40, the limit pin 74 abuts against the inner sleeve bolt 73 to limit the movement of the push rod 71. It should be noted that the forward movement of the inner sleeve member 40 is realized by pushing the push rod 71, and the backward movement of the inner sleeve member 40 is realized by pushing the limit pin 74 against the inner sleeve bolt 73 and then pulling the push rod 71 backward.

Referring to fig. 1 to 13, a sleeve pin 75 is provided in the outer sleeve 10 to restrict the inner sleeve member 40 from sliding out of the outer sleeve 10, the sleeve pin 75 is held on the outer sleeve 10 by a sleeve end cap 72, and the sleeve pin 75 has a circular cross section with an inner diameter dimension matching an outer diameter dimension of the push rod 71.

Referring to fig. 1 to 13, a guide rail sliding groove 14 for guiding the connecting portion 54 of the inner guide wire locking sleeve 50 to slide is formed in the side wall of the outer sleeve 10, the guide rail sliding groove 14 extends from the middle of the side wall of the outer sleeve 10 to the rear end along the axial direction thereof, a rail sliding groove 46 corresponding to the guide rail sliding groove 14 is formed in the side wall of the inner sleeve member 40, so that the connecting portion 54 can pass through, and the rail sliding groove 46 and the guide limiting groove 45 are arranged in a staggered manner. The side wall of the outer sleeve 10 is provided with an outer sleeve locking groove 15 for the connecting part 54 to slide in and out and communicate with the guide rail sliding groove 14, the side wall of the inner sleeve part 40 is provided with an inner sleeve transition groove 47 corresponding to the outer sleeve locking groove 15 and communicating with the rail sliding groove 46, in the embodiment, the length dimension of the inner sleeve transition groove 47 in the axial direction of the outer sleeve 10 is larger than the length dimension of the outer sleeve locking groove 15 in the axial direction of the outer sleeve 10, it is worth mentioning that a grasping structure 10a arranged at the front end of the guide wire manipulator 100 clamps and loosens the guide wire outer sleeve 202 by the movement of the outer guide wire locking part 30 driven by the inner sleeve part 40, the push rod 71 and the anti-falling limiting structure 10f are used for driving the inner sleeve part 40 to move backwards to a preset position, and the grasping structure 10a loosens the guide. The inner guide wire locking sleeve 50 is movably arranged in the inner sleeve part 40, after the inner guide wire locking sleeve 50 is screwed into the outer sleeve locking groove 15 in a rotating mode, the position of the inner guide wire locking sleeve 50 in the axial direction of the outer sleeve 10 is kept, the inner guide wire locking piece 60 is pulled to move, the inner guide wire locking sleeve 50 is separated from the inner guide wire locking piece 60, and the inner guide wire 201 is loosened by the locking structure 10 b.

Referring to fig. 1-13, in this embodiment, the inner wire lock 60 has a lock attachment column portion 64 extending radially outward of the outer sleeve 10 from a sidewall of the inner wire lock 60, the lock attachment column portion 64 being slidably disposed in the track runner 46. An inner sleeve locking groove 48 which is used for the locking column part 64 to slide in and out and is communicated with the track sliding groove 46 is arranged on the side wall of the inner sleeve part 40, an outer sleeve transition groove 16 which is corresponding to the inner sleeve locking groove 48 and is communicated with the guide rail sliding groove 14 is arranged on the side wall of the outer sleeve 10, the length dimension of the outer sleeve transition groove 16 in the axial direction of the outer sleeve 10 is larger than that of the inner sleeve locking groove 48 in the axial direction of the outer sleeve 10, the outer sleeve transition groove 16 in the front and back direction of the outer sleeve 10 is positioned behind the outer sleeve locking groove 15, the inner sleeve locking groove 48 on the inner sleeve part 40 is positioned behind the inner sleeve transition groove 47, it should be noted that the inner sleeve part 40 can move relative to the outer sleeve 10 between a locking position and a releasing position, the locking position is a position when the outer guide convex part 33 of the outer guide wire locking part 30 is clamped with the outer guide concave part 24 on the inner wall of the outer sleeve 23, when the inner sleeve part 40 is in the, the outer sleeve locking groove 15 is communicated with the inner sleeve transition groove 47, the outer sleeve transition groove 16 is communicated with the inner sleeve locking groove 48, and the inner guide wire locking sleeve 50 and the inner guide wire locking piece 60 can pull the inner guide wire 201 to move back and forth independently of the inner sleeve part 40; after the inner guide wire locking sleeve 50 drives the inner guide wire locking piece 60 to move to the position corresponding to the outer sleeve locking groove 15, the inner guide wire locking sleeve 50 is rotated to be screwed into the outer sleeve locking groove 15, meanwhile, the inner guide wire locking piece 60 is screwed into the inner sleeve locking groove 48, the push rod 71 is pulled to move backwards, the push rod 71 drives the inner sleeve part 40 to move backwards, the inner guide wire locking piece 60 moves backwards together with the inner sleeve part 40 under the action of the inner sleeve locking groove 48, the outer guide wire locking piece 30 releases the guide wire outer sleeve 202, meanwhile, the inner guide wire locking piece 60 releases the inner guide wire 201, and therefore synchronous separation of the guide wire outer sleeve 202 and the inner guide wire 201 can be achieved, and the use is convenient.

In other embodiments, the front end of the pushrod 71 is attached to the inner wire locking element 60 such that the pushrod 71 pushes and pulls the inner wire locking element 60 forward and backward.

In yet another embodiment, the pushrod 71 and the inner wire lock 60 are a single piece, and are integrally formed.

Referring to fig. 1 to 13, in the present embodiment, the operating portion 53 of the inner guide wire locking sleeve 50 is provided with a receiving groove 57 for the locking column portion 64 to slide in and out, and the receiving groove 57 extends along the axial direction of the outer sleeve 10. Thus, when the inner guide wire locking sleeve 50 is screwed, the inner guide wire locking piece 60 can be screwed into the corresponding inner sleeve locking groove 48 together in a rotating manner, so that the outer guide wire sleeve 202 and the inner guide wire 201 are synchronously separated; further, it is possible to prevent the operation portion 53 of the inner guide wire lock sleeve 50 from being pushed into the inner sleeve lock groove 48 when the separation is not required due to the erroneous touch, and from being separated from the inner guide wire 201 when the inner guide wire lock sleeve 50 moves forward and backward.

Fig. 10 to 13 are schematic perspective views of the guide wire manipulator 100 and the guide wire assembly 200 provided in the present embodiment in a first state, a second state, a third state and a fourth state, respectively; when the inner guide wire locking piece 30 is in a first state, the outer guide wire locking piece 30 connected to the front end of the inner sleeve part 40 is combined with the guide wire sleeve locking sleeve 20, the inner guide wire locking sleeve 50 in the cavity 42 of the inner sleeve part 40 is combined with the inner guide wire locking piece 60, the inner guide wire locking sleeve 50 is positioned at the front end of the cavity 42, and the grasping structure 10a and the locking structure 10b simultaneously clamp the guide wire outer sleeve 202 and the inner guide wire 201; when in the second state, the inner guide wire lock sleeve 50 moves backwards for a preset stroke and pulls the inner guide wire 201 to move backwards; in the third state, the guide wire locking sleeve 50 and the inner guide wire locking piece 60 are respectively screwed into the corresponding outer sleeve locking groove 15 and the inner sleeve locking groove 48 in a rotating manner, so that the guide wire locking sleeve 50 is held by the outer sleeve 10 in the axial direction of the outer sleeve 10, and the inner guide wire locking piece 60 is held by the inner sleeve part 40 in the axial direction of the outer sleeve 10; in the fourth state, the push rod 71 is pulled to move backward, and the inner sleeve member 40 drives the outer guide wire locking member 30 and the inner guide wire locking member 60 to move backward, so that the grasping structure 10a and the locking structure 10b release the outer guide wire sheath 202 and the inner guide wire 201 at the same time.

The guide wire manipulator 100 provided by the embodiment has the following beneficial effects:

1. the outer guidewire sheath 202 and the inner guidewire 201 of the outer layer of the guidewire assembly 200 can be grasped simultaneously and/or released simultaneously;

2. the inner layer and the outer layer are clamped and fixed, only one action needs to be pushed forwards, and the guide wire assembly 200 is convenient to fix and install;

3. the inner layer and the outer layer are loosened, and the guide wire assembly 200 can be conveniently disassembled only by pushing the guide wire locking sleeve 50 and the inner guide wire locking piece 60 backwards after being respectively screwed into the corresponding outer sleeve locking groove 15 and the inner sleeve locking groove 48;

4. the guide wire must be rotated before loosening, so that the guide wire is prevented from being disassembled due to misoperation;

5. the inner layer and the outer layer of the guide wire component 200 can be respectively and independently operated, and the front and back movement of the inner guide wire 201 of the inner layer can be realized; the outer layer guide wire outer sleeve 202 can rotate, the steering is accurate, and the positioning can be repeated;

6. the guide wire can be turned and moved forward and backward only by one hand, so that the guide wire is convenient to use, is not easy to make mistakes, and can be prevented from being disassembled by mistake.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims (10)

1. A guidewire manipulator for manipulating a guidewire assembly, the guidewire assembly including an inner guidewire and a guidewire sheath covering the periphery of the inner guidewire, comprising:

an outer sleeve;

the end surface of the guide wire sleeve locking sleeve is provided with a guide wire receiving opening for the guide wire outer sleeve to pass through, and the guide wire sleeve locking sleeve is sleeved on the end part of the outer sleeve;

the outer guide wire locking piece is provided with an outer guide wire through groove for the guide wire outer sleeve to slide in and out, and the outer guide wire locking piece is arranged in the outer sleeve and can move along the axial direction of the outer sleeve; a grasping structure is arranged between the outer guide wire locking piece and the guide wire sleeve locking sleeve and is used for clamping and loosening the guide wire outer sleeve;

an inner sleeve member connected to the outer guide wire locking member and having a guide wire receiving groove through which the inner guide wire passes and a cavity communicating with the guide wire receiving groove, the inner sleeve member being movably disposed in the outer sleeve;

an inner guidewire sleeve comprising an inner sleeve portion slidably disposed within the cavity;

the inner guide wire locking piece is provided with an inner guide wire through groove for the inner guide wire to slide in and out, a guide wire through groove corresponding to the inner guide wire through groove is formed in the inner guide wire locking sleeve, and the inner guide wire locking piece is arranged in the inner sleeve part in a sliding manner; and a locking structure is arranged between the inner guide wire locking piece and the inner guide wire locking sleeve and is used for clamping and loosening the inner guide wire.

2. The guidewire manipulator of claim 1, wherein the gripping structure includes at least two resilient jaws formed on an end of the outer guidewire lock and extending axially of the outer sleeve and a clamping lumen formed on the guidewire sleeve lock; the clamping cavity is used for placing at least two elastic clamping jaws, and jacking the elastic clamping jaws to move inwards in the radial direction of the outer sleeve and press the guide wire outer sleeve tightly after the at least two elastic clamping jaws are placed in the clamping cavity, the clamping cavity is communicated with the guide wire receiving opening, and the at least two elastic clamping jaws are arranged at intervals along the circumferential direction of the outer guide wire locking piece.

3. The guidewire manipulator of claim 2, wherein a clamping sleeve is formed on the guidewire sleeve lock, the clamping lumen is located in the clamping sleeve, and an outer guide anti-release structure is provided between the clamping sleeve and the outer guidewire lock to limit the separation of the clamping sleeve and the outer guidewire lock in the axial direction of the outer sleeve.

4. The guidewire manipulator of claim 1, wherein the guidewire sleeve lock is rotatably disposed on an end of the outer sleeve; the side wall of the outer sleeve is convexly provided with a lock catch ring, and the side wall of the wire guide sleeve lock sleeve is provided with a lock catch groove matched and clamped with the lock catch ring.

5. The guidewire manipulator of claim 4, wherein a steering positioning structure is disposed between the outer sleeve and the guidewire sleeve lock to position the guidewire sleeve lock after rotation.

6. The guidewire manipulator of claim 1, wherein the locking structure includes at least two resilient latch arms formed on an end of the inner guidewire lock and extending axially of the outer sleeve and a locking lumen formed on an inner lock sleeve portion of the inner guidewire lock sleeve; the locking cavity is used for placing at least two elastic clamping arms, and jacking the elastic clamping arms to move inwards in the radial direction of the outer sleeve and press the inner guide wire after the at least two elastic clamping arms are placed, the locking cavity is communicated with the guide wire through grooves, and the at least two elastic clamping arms are arranged at intervals along the circumferential direction of the inner guide wire locking piece.

7. The guidewire manipulator of claim 1, wherein an inner guide wire anti-loosening structure is provided between the inner lock sleeve portion and the inner guidewire lock to limit disengagement thereof in an axial direction of the outer sleeve.

8. The guide wire manipulator of claim 1, wherein a guide rail sliding groove for guiding the sliding of the connecting portion of the inner guide wire lock sleeve is formed in a side wall of the outer sleeve, and a rail sliding groove corresponding to the guide rail sliding groove is formed in a side wall of the inner sleeve member; the side wall of the outer sleeve is provided with an outer sleeve locking groove for the connecting part to slide in and out and communicated with the guide rail sliding groove, and the side wall of the inner sleeve part is provided with an inner sleeve transition groove which corresponds to the outer sleeve locking groove and is communicated with the rail sliding groove.

9. The guidewire manipulator of claim 8, wherein the inner guidewire lock has a locking post portion extending radially outward from a sidewall thereof along the outer sleeve, the locking post portion being slidably disposed in the track chute; the side wall of the inner sleeve part is provided with an inner sleeve locking groove for the locking column part to slide in and out and communicated with the rail sliding groove, and the side wall of the outer sleeve is provided with an outer sleeve transition groove which corresponds to the inner sleeve locking groove and is communicated with the guide rail sliding groove.

10. The guidewire manipulator of claim 9, wherein the manipulation portion of the inner guidewire lock sleeve defines a receiving slot for the locking post to slide in and out, and the receiving slot extends axially along the outer sleeve.

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