CN112076378A - Guide wire manipulator - Google Patents

Abstract

The invention relates to the technical field of medical equipment, and provides a guide wire manipulator, comprising an outer sleeve, a guide wire sleeve lock sleeve, an outer guide wire lock piece, an inner sleeve part, an inner guide wire lock sleeve and an inner guide wire lock piece , between the outer guide wire lock and the guide wire sleeve lock sleeve is provided with a gripping structure for clamping and loosening the guide wire sleeve, and between the inner guide wire lock member and the inner guide wire lock sleeve is provided for clamping and loosening. The locking structure of the inner guide wire. Compared with the prior art, the guide wire manipulator provided by the present invention can clamp and loosen the guide wire jacket and the inner guide wire at the same time, so that the operator can operate the guide wire jacket and the inner guide wire at the same time, which is convenient for operation and use. It improves the safety and operability of interventional surgery, shortens the operation time, and reduces the physical and energy consumption of doctors.

Description

Guide wire manipulator

technical field

The present invention relates to the technical field of medical equipment, in particular to a guide wire manipulator.

Background technique

At present, in tube minimally invasive interventional surgery, the operator generally wears gloves to operate the guide wire for steering, advancing and retreating. Since the guide wire is very thin, with a diameter of less than 1 mm, it is very inconvenient to wear gloves to operate, and it is easy to cause Misoperation will prolong the operation time; and the operation requires a lot of concentration, which will consume too much physical strength and energy.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a guide wire manipulator, so as to solve the technical problems in the prior art that the operation of the guide wire in the interventional operation is difficult and time-consuming and labor-intensive.

In order to achieve the above purpose, the technical solution adopted in the present invention is to provide a guide wire manipulator for operating a guide wire assembly, the guide wire assembly comprising an inner guide wire and a guide wire wrapped around the outer circumference of the inner guide wire. A wire jacket, wherein the guide wire manipulator includes:

outer sleeve;

a guide wire sleeve lock sleeve, the end surface of which is formed with a guide wire receiving port for the guide wire sleeve to pass through, and the guide wire sleeve lock sleeve is sleeved on the end of the outer sleeve;

An outer guide wire lock, which has an outer guide wire through slot for the guide wire jacket to slide in and out, the outer guide wire lock is arranged in the outer sleeve, and can slide along the outer sleeve The axial movement of the guide wire; a gripping structure is arranged between the outer guide wire lock and the guide wire sleeve lock sleeve for clamping and loosening the guide wire sleeve;

The inner sleeve part is connected with the outer guide wire lock and has a guide wire receiving groove for the inner guide wire to pass through and a cavity communicating with the guide wire receiving groove, and the inner sleeve part is movably arranged on the inside the outer sleeve;

an inner guide wire lock sleeve, which includes an inner lock sleeve part slidably arranged in the cavity;

The inner guide wire lock has an inner guide wire through slot for the inner guide wire to slide in and out, and the inner guide wire lock sleeve is provided with a guide wire passage slot corresponding to the inner guide wire through slot, so The inner guide wire lock is slidably arranged in the inner sleeve part; a locking structure is arranged between the inner guide wire lock and the inner guide wire lock sleeve for clamping and loosening the inner guide wire.

Further, the gripping structure includes at least two elastic claws formed on the end of the outer guide wire lock and extending along the axial direction of the outer sleeve and formed on the guide wire sleeve lock sleeve The clamping cavity is used for inserting at least two of the elastic jaws, and after the at least two elastic jaws are inserted, the elastic jaws are pressed in the radial direction of the outer sleeve. The guide wire casing is moved inward and compressed, the clamping cavity is communicated with the guide wire receiving port, and at least two of the elastic claws are arranged at intervals along the circumference of the outer guide wire lock.

Further, a clamping sleeve is formed on the guide wire sleeve lock sleeve, the clamping cavity is located in the clamping sleeve, and an outer guide wire guard is provided between the clamping sleeve and the outer guide wire lock piece. A release structure is used to restrict the two from being disengaged in the axial direction of the outer sleeve.

Further, the guide wire sleeve lock sleeve is rotatably arranged on the end of the outer sleeve; the side wall of the outer sleeve is protrudingly formed with a locking ring, and the side wall of the guide wire sleeve lock sleeve is formed. The wall is provided with a locking groove which is matched and engaged with the locking ring.

Further, a steering positioning structure is arranged between the outer sleeve and the guide wire sleeve lock sleeve to position the rotated guide wire sleeve lock sleeve.

Further, the locking structure includes at least two elastic clamping arms formed on the end of the inner guide wire locking piece and extending along the axial direction of the outer sleeve, and at least two elastic clamping arms formed on the inner guide wire locking sleeve The locking cavity on the inner locking sleeve part of the device; the locking cavity is used for inserting at least two of the elastic clamping arms, and after the at least two elastic clamping arms are inserted, the elastic clamping arms are pressed against the outer The sleeve moves radially inward and presses the inner guide wire, the locking cavity is communicated with the guide wire through the groove, and at least two of the elastic clamping arms are arranged at intervals along the circumference of the inner guide wire lock piece .

Further, an inner guide anti-loosening structure is arranged between the inner locking sleeve portion and the inner guide wire locking member, so as to limit the disengagement of the two in the axial direction of the outer sleeve.

Further, a guide rail chute for guiding the sliding of the connecting portion of the inner guide wire lock sleeve is provided on the side wall of the outer sleeve, and a guide rail chute corresponding to the guide rail chute is provided on the side wall of the inner sleeve part. Track chute; 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 communicate with the guide rail chute, and the side wall of the inner sleeve part is provided with the The outer sleeve locking groove corresponds to and communicates with the inner sleeve transition groove of the track chute.

Further, the inner guide wire lock has a locking column portion extending radially outward of the outer sleeve from the side wall of the inner guide wire lock, and the locking column portion is slidably arranged on the rail. In the chute; an inner sleeve locking groove is provided on the side wall of the inner sleeve part for the locking column to slide in and out and communicate with the track chute, and the outer sleeve side wall is provided with an inner sleeve locking groove. There is an outer sleeve transition groove corresponding to the inner sleeve locking groove and communicating with the guide rail chute.

Further, an accommodating groove for sliding in and out of the locking column portion is provided on the operating portion of the inner guide wire locking sleeve, and the accommodating groove is arranged along the axial direction of the outer sleeve.

Compared with the prior art, the guide wire manipulator provided by the present invention adopts a guide wire sleeve lock sleeve, an outer guide wire lock sleeve, an inner guide wire lock sleeve and an inner guide wire lock part, and an outer guide wire lock part and a guide wire sleeve lock. A gripping structure for clamping and releasing the guide wire jacket is arranged between the sleeves, and a locking structure for clamping and releasing the inner guide wire is arranged between the inner guide wire lock piece and the inner guide wire lock sleeve, so that the inner guide wire can be clamped and released. Simultaneously clamp and loosen the guide wire jacket and the inner guide wire, so that the operator can operate the guide wire jacket and the inner guide wire at the same time, which is convenient for operation and use, improves the safety and operability of interventional surgery, and shortens the operation time. , reduce the doctor's physical and energy consumption.

Description of drawings

1 is an exploded schematic view of a guide wire manipulator and a guide wire assembly provided by an embodiment of the present invention;

2 is a schematic front view of a guide wire manipulator and a guide wire assembly provided by an embodiment of the present invention;

3 is a cross-sectional view of the P-P plane in FIG. 2;

Fig. 4 is an enlarged view of part A in Fig. 3;

Fig. 5 is the enlarged view of B part in Fig. 3;

6 is a schematic top view of a guide wire manipulator and a guide wire assembly provided by an embodiment of the present invention;

7 is a cross-sectional view of the Q-Q plane in FIG. 6;

Fig. 8 is the enlarged view of C part in Fig. 7;

Fig. 9 is the enlarged view of D part in Fig. 7;

10 is a schematic perspective view of the guide wire manipulator and the guide wire assembly in the first state provided by the embodiment of the present invention;

11 is a schematic perspective view of the guide wire manipulator and the guide wire assembly in the second state according to the embodiment of the present invention;

12 is a perspective view of the third state of the guide wire manipulator and the guide wire assembly provided by the embodiment of the present invention;

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

Description of main component symbols

100: Guide wire manipulator 10a: Grasping structure

10b: Locking structure 10c: External guide anti-loosening structure

10d: Steering positioning structure 10e: Internal guide anti-loosening structure

10f: Anti-drop limit structure

10: Outer sleeve 11: Lock ring

12: Steering positioning recess 13: Mounting flange

14: Guide rail chute 15: Jacket locking groove

16: Coat transition groove

20: Guide wire sleeve lock sleeve 21: Guide wire receiving port

22: Clamping cavity 23: Clamping sleeve

24: Outer guide recess 25: Lock groove

26: Steering positioning protrusion

30: Outer guide wire lock 31: Outer guide wire channel

32: Elastic claw 33: Outer guide protrusion

34: Flange end

40: Inner sleeve part 41: Guide wire receiving groove

42: Recess 43: Flange Limiting Slot

44: Convex mounting hole 45: Guide limit slot

46: Orbital chute 47: Inner sleeve transition groove

48: Inner sleeve locking groove

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

52: Guide wire through slot 53: Operation part

54: Connection part 55: Lock cavity

56: inner guide recess 57: accommodating groove

60: Inner guide wire lock 61: Inner guide wire channel

62: Elastic clamping arm 63: Inner guide protrusion

64: Locking Post

71: Push rod 72: Sleeve end cap

73: Inner sleeve pin 731: Convex hull

74: Limit pin 75: Sleeve bolt

200: Guide wire assembly 201: Inner guide wire

202: Guide wire jacket

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the described embodiments are some, but not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In order to make those skilled in the art better understand the technical solutions of the present invention, the implementation of the present invention will be described in detail below with reference to the specific drawings.

For the convenience of description, 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 guide wire manipulator in the drawings is "front", but it does not limit the structure of the present invention.

Unless otherwise defined, technical or scientific terms used herein should have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first", "second" and similar terms used in the description of the patent application and the claims of the present invention do not denote any order, quantity or importance, but are only used to distinguish different components. Likewise, "a" or "an" and the like do not denote a quantitative limitation, but rather denote the presence of at least one.

As shown in Figures 1 to 13, it is a preferred embodiment provided by the present invention.

The guide wire manipulator 100 provided in this embodiment is used to operate the guide wire assembly 200. The guide wire assembly 200 includes an inner guide wire 201 and a guide wire jacket 202 covering the outer circumference of the inner guide wire 201, wherein the guide wire The manipulator 100 includes an outer sleeve 10 , a guide wire sleeve lock sleeve 20 , an outer guide wire lock member 30 , an inner sleeve member 40 , an inner guide wire lock sleeve 50 and an inner guide wire lock member 60 ; the end face of the wire guide wire sleeve lock sleeve 20 A guide wire receiving port 21 is formed for the guide wire jacket 202 to pass through, and the guide wire jacket lock sleeve 20 is sleeved on the end of the outer sleeve 10; the outer guide wire lock 30 has a guide wire jacket 202 for sliding in and out The outer guide wire through groove 31 is provided, and the outer guide wire lock 30 is arranged in the outer sleeve 10 and can move along the axial direction of the outer sleeve 10; between the outer guide wire lock 30 and the guide wire sleeve lock sleeve 20 The gripping structure 10a is used to clamp and loosen the guide wire outer sleeve 202; the inner sleeve part 40 is connected with the outer guide wire lock member 30 and has a guide wire receiving groove 41 for the inner guide wire 201 to pass through and a guide wire receiving groove 41 communicated with the cavity 42, the inner sleeve part 40 is movably arranged in the outer sleeve 10; the inner guide wire lock sleeve 50 includes an inner lock sleeve part 51 slidably arranged in the cavity 42; the inner guide wire lock member 60 has a The inner guide wire 201 slides into and out of the inner guide wire through groove 61, the inner guide wire lock 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 lock 60 is slidably arranged on the A locking structure 10b for clamping and loosening the inner guide wire 201 is provided between the inner guide wire lock member 60 and the inner guide wire lock sleeve 50 in the inner sleeve part 40 .

The above-mentioned guide wire manipulator 100 adopts the guide wire sleeve lock sleeve 20, the outer guide wire lock sleeve 30, the inner guide wire lock sleeve 50 and the inner guide wire lock member 60, and the outer guide wire lock member 30 and the guide wire sleeve lock sleeve 20. A gripping structure 10a for clamping and loosening the guide wire jacket 202 is provided therebetween, and a locking structure for clamping and loosening the inner guide wire 201 is provided between the inner guide wire lock member 60 and the inner guide wire lock sleeve 50 10b, the guide wire jacket and the inner guide wire can be clamped and loosened at the same time, so that the operator can operate the guide wire jacket and the inner guide wire at the same time, which is convenient for operation and use, improves the safety and operability of interventional surgery, and improves the safety and operability of the interventional operation. Shorten the operation time and reduce the physical and energy consumption of doctors.

Referring to FIGS. 1 to 13 , the guide wire manipulator 100 of this embodiment is used to clamp and fix the inner and outer layers, move the inner layer back and forth, and rotate the outer layer for the guide wire assembly 200 . The guide wire assembly 200 includes The guide wire jacket 202 located on the outer layer and the inner guide wire 201 arranged in the guide wire jacket 202. The guide wire jacket 202 and the inner guide wire 201 are all made of metal materials, preferably stainless steel materials. In particular, the guide wire The outer jacket 202 is wound in a spiral structure, so that it has the function of free deformation.

1 to 13 , the guide wire manipulator 100 of this embodiment includes an outer sleeve 10 , a guide wire sleeve lock sleeve 20 , an outer guide wire lock piece 30 , an inner sleeve part 40 , an inner guide wire lock sleeve 50 , an inner guide wire lock sleeve 50 , and an inner guide wire lock sleeve 50 . The guide wire lock 60 and the push rod 71 are all but not limited to plastic parts.

Referring to FIGS. 1 to 13 , the outer sleeve 10 is roughly in the shape of a hollow cylinder, which includes a front end (the end where the guide wire assembly 200 enters and exits) and a rear end, and the guide wire sleeve locking sleeve 20 is installed on the front end of the outer sleeve 10 , the push rod 71 is built into the outer sleeve 10 and protrudes from the rear end of the outer sleeve 10 . It can be connected and fixed by all existing fixing methods such as threads and welding.

1 to 13, the guide wire sleeve lock sleeve 20 can be fixedly sleeved on the front end of the outer sleeve 10, or can be movably installed on the front end of the outer sleeve 10, and the end surface of the guide wire sleeve lock sleeve 20 is formed with a guide wire sleeve. 202 through the guide wire receiving port 21.

1 to 13 , the outer guide wire lock 30 is disposed in the outer sleeve 10 and can move along the axial direction of the outer sleeve 10 , and the outer guide wire lock 30 has a guide wire sleeve 202 for sliding in and out. Outer guide wire through slot 31 . A gripping structure 10a is provided between the outer guide wire lock 30 and the guide wire sleeve lock sleeve 20 for clamping and fixing the guide wire sleeve 202 when the outer guide wire lock member 30 moves to the guide wire sleeve lock sleeve 20, and when the outer guide wire lock 30 moves. The guide wire sleeve 202 is released when the piece 30 is separated from the guide wire sleeve lock sleeve 20 . It is easy to understand that the guide wire assembly 200 enters the product from the front end of the guide wire operator 100 , that is, the guide wire receiving port 21 of the guide wire sleeve lock sleeve 20 , and sequentially passes through the outer guide wire through groove of the outer guide wire lock member 30 . 31. Push the outer guide wire lock 30 to move forward, and the gripping structure 10a clamps and fixes the guide wire sleeve 202 between the outer guide wire lock 30 and the guide wire sleeve lock sleeve 20, thereby realizing the guide wire manipulator 100 pair. The fixation of the guide wire jacket 202; by pushing the outer guide wire lock 30 to move backward, the outer guide wire lock 30 is separated from the guide wire jacket lock 20, and the guide wire jacket 202 is loosened at the same time, so that the guide wire jacket 202 is tightened It is easy to release and release, and it can be realized by only one-handed operation, thereby simplifying the difficulty of operation and improving the convenience of use.

1 to 13 , the gripping structure 10 a includes at least two elastic claws 32 formed on the end of the outer guide wire lock 30 and extending in the axial direction of the outer sleeve 10 and formed on the wire sleeve lock sleeve 20 . The clamping cavity 22; the clamping cavity 22 is used for inserting at least two elastic jaws 32, and after the at least two elastic jaws 32 are inserted, the elastic jaws 32 are pressed against the elastic jaws 32 in the radial direction of the outer sleeve 10 to make the elastic clamping The claw 32 moves inward and compresses the guide wire casing 202 , the clamping cavity 22 communicates with the guide wire receiving port 21 , and at least two elastic claws 32 are arranged at intervals along the circumference of the outer guide wire lock member 30 . In this embodiment, the number of elastic claws 32 is, but not limited to, two. 32 has a predetermined deformation gap, communicates with the outer guide wire through groove 31 and allows the guide wire jacket 202 to pass through. It can be understood that when the outer guide wire lock 30 moves forward, the front end of the elastic jaw 32 moves inward in the radial direction of the outer sleeve 10 and clamps the fixed guide wire through the extrusion of the cavity wall of the clamping cavity 22 Outer casing 202 ; when moving backward, the pressing force exerted on the elastic claw 32 is eliminated, and the front end of the elastic claw 32 is elastically reset outward to release the guide wire casing 202 .

In yet another embodiment, the elastic claws 32 are formed on the guide wire sleeve lock sleeve 20 , and the above-mentioned clamping cavity 22 is formed at the end of the outer guide wire lock member 30 for the elastic claws 32 to be pressed after being inserted. deformed.

1 to 13, in this embodiment, the inner wall of the clamping cavity 22 has a tapered end whose diameter is reduced from rear to front, and the outer edge of the front end of the elastic jaw 32 is provided with a chamfered portion, so that with the outer edge The guide wire lock 30 moves forward, the inner diameter of the clamping cavity 22 becomes smaller and smaller, and the chamfered portion can guide the elastic claw 32 to move.

1 to 13 , a clamping sleeve 23 is formed on the guide wire sleeve lock sleeve 20 , and the clamping cavity 22 is located in the clamping sleeve 23 . It is easy to understand that the outer wall of the clamping sleeve 23 and the wire sleeve lock sleeve 20 are A space for placing the front end of the outer sleeve 10 is formed between the inner walls.

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 surface thereof.

Referring to FIGS. 1 to 13 , an outer guide anti-releasing structure 10 c is provided between the clamping sleeve 23 and the outer guide wire locking member 30 , so as to limit the disengagement of the two in the axial direction of the outer sleeve 10 . In this embodiment, the outer guide anti-loosening structure 10c includes an outer guide protrusion 33 protruding on the side wall of the outer guide wire lock 30 , and an outer guide protrusion 33 formed on the inner wall of the clamping sleeve 23 and matched with the outer guide protrusion 33 The engaged outer guide concave portion 24 , after the outer guide convex portion 33 is engaged with the outer guide concave portion 24 , the guide wire sleeve lock sleeve 20 and the outer guide wire lock member 30 are maintained at the axial position of the outer sleeve 10 . It should be noted that the position of the outer guide anti-releasing structure 10c is set at the position of the guide wire jacket 202 when it is clamped, that is, after the guide wire jacket 202 is clamped and fixed, the outer guide convex portion 33 It is engaged with the outer guide recess 24, and the position of the clamping sleeve 23 and the outer guide wire lock 30 is maintained by the outer guide anti-releasing structure 10c, so that the guide wire sleeve 202 is clamped and fixed and will not loose at will. , at this time, operations such as pulling the inner guide wire 201 and turning the guide wire jacket 202 can be performed.

In other embodiments, an outer guide convex portion 33 is formed on the inner wall of the clamping sleeve 23 , and an outer guide concave portion 24 that engages with the outer guide convex portion 33 is formed on the side wall of the outer guide wire lock 30 .

1 to 13, in this embodiment, the outer guide convex portion 33 extends 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 The wire sleeve lock sleeve 20 and the outer guide wire lock member 30 can rotate relative to each other, and even if they rotate, the positions of the holding clamping sleeve 23 and the outer guide wire lock member 30 can be maintained in the axial direction.

1 to 13, in this embodiment, the guide wire sleeve lock sleeve 20 is sleeved on the end of the outer sleeve 10 and can rotate relative to the outer sleeve 10 in the axial direction of the outer sleeve 10. It is worth mentioning that Yes, the guide wire jacket 202 is made into a predetermined hook shape during the production process, and after being loaded into the inner guide wire 201, the front end of the guide wire jacket 202 is linearly supported by the inner guide wire 201; After the wire jacket 202 is clamped and fixed by the grasping structure 10a, the inner guide wire 201 is pulled backward by a preset distance, so that the front end of the guide wire jacket 202 is deformed into the predetermined hook due to the withdrawal of the inner guide wire 201. Since the guide wire sleeve lock sleeve 20 and the outer sleeve 10 are relatively rotatable, and the outer guide wire lock member 30 is pressed on the guide wire sleeve lock sleeve 20, the guide wire sleeve lock sleeve 20 can pass through Rotating the guide wire sleeve lock sleeve 20 makes the hook-shaped front end of the guide wire sleeve 202 rotate a certain angle, so as to better hook the part, thereby improving the working efficiency and ensuring the normal operation of the operation.

In other embodiments, the guide wire sleeve locking sleeve 20 may be fixed on the end of the outer sleeve 10 by means of threads, or fixed on the end of the outer sleeve 10 by snapping.

1 to 13 , a locking ring 11 is protruded from the side wall of the outer sleeve 10 , and a locking groove 25 is formed on the inner side wall of the guide wire sleeve lock sleeve 20 to engage with the locking ring 11 . In the embodiment, the number of the locking rings 11 is but not limited to two, and the two locking 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 is easy to understand that the locking ring 11 is snapped into the locking groove 25 of the outer sleeve 10 to lock the outer sleeve 10 and the outer sleeve 10 in the axial direction of the outer sleeve 10 , and the two can rotate relative to each other. .

Referring to FIGS. 1 to 13 , a steering positioning structure 10 d is provided between the outer sleeve 10 and the guide wire sleeve lock sleeve 20 to position the rotated guide wire sleeve lock sleeve 20 . In this embodiment, the steering positioning structure 10d includes a steering positioning protrusion 26 formed on the guide wire sleeve lock sleeve 20, and a steering positioning recess formed on the outer sleeve 10 and allowing the steering positioning protrusion 26 to slide in and out. 12. The number of the steering positioning protrusions 26 is but not limited to one, and the number of the steering positioning recesses 12 is multiple, which are arranged at intervals in the circumferential direction of the outer sleeve 10 .

Specifically, a mounting flange 13 is protruded on the side wall of the outer sleeve 10 , the steering positioning concave portion 12 is located on the end surface of the mounting flange 13 , and the steering positioning convex portion 26 is protruded on the rear end surface of the guide wire sleeve lock sleeve 20 superior. It is easy to understand that the use of the steering positioning structure 10d can lock the position of the guide wire sleeve lock sleeve 20 in the circumferential direction to prevent it from rotating when it does not need to be rotated, and when rotating, the rotated position can be locked.

1 to 13, the inner sleeve part 40, which is substantially cylindrical, is used to move the outer guide wire lock 30, the inner sleeve part 40 is arranged in the outer sleeve 10 and connected with the outer guide wire lock 30, and can be along the Axial movement of the outer sleeve 10 . In this embodiment, clearance fit is adopted between the inner sleeve part 40 and the outer sleeve 10 , and the outer guide wire lock 30 is rotatably arranged on the inner sleeve part 40 . The inner sleeve part 40 has a guide wire receiving groove 41 for the inner guide wire 201 to pass through and a cavity 42 communicating with the guide wire receiving groove 41. The cavity 42 is located in the rear half of the inner sleeve part 40 and is open to the rear, The front end of the inner sleeve part 40 is provided with a flange limiting groove 43, and the outer guide wire lock 30 has a flange end 34 at its rear end, and the flange end 34 is placed in the flange limiting groove 43. The flange limiting groove 43 limits the flange end 34 of the outer guide wire lock 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 lock member 30 to move back and forth. After the guide wire jacket 202 is fastened, the rotation of the guide wire sleeve lock sleeve 20 can make the outer guide wire lock member 30 rotate relative to the inner sleeve member 40 . It is worth mentioning that the outer guide wire lock 30 , the inner sleeve part 40 and the outer sleeve 10 are coaxially arranged, and the outer guide wire through groove 31 , the guide wire receiving groove 41 and the cavity 42 are in the axial direction of the outer sleeve 10 . connected in sequence.

1 to 13 , the inner guide wire lock sleeve 50 includes an inner lock sleeve portion 51 slidably arranged in the cavity 42, and has a cross-section shaped but not limited to a circle. The inner lock sleeve portion 51 is connected to the inner sleeve. A clearance fit is used between the cavities 42 of the components 40 . In this embodiment, the inner guide wire lock sleeve 50 includes an inner lock sleeve portion 51 slidably disposed in the cavity 42 , an operation portion 53 located outside the outer sleeve 10 , and a connection between the inner lock sleeve portion 51 and the operation portion 53 . The connecting part 54 between the two parts, so that the inner guide wire locking sleeve 50 can be moved in the axial direction of the outer sleeve 10 by manually turning the operating part 53 .

1 to 13 , the inner guide wire lock 60 has an inner guide wire through groove 61 for the inner guide wire 201 to slide in and out, and the inner guide wire lock sleeve 50 is provided with a corresponding inner guide wire through groove 61 The guide wire is communicated through the groove 52, and the inner guide wire lock 60 is slidably arranged in the inner sleeve part 40; a locking structure 10b is provided between the inner guide wire lock 60 and the inner guide wire lock sleeve 50 for the inner guide wire. When the wire lock member 60 moves toward the inner guide wire lock sleeve 50 , the inner guide wire 201 is clamped and fixed, and the inner guide wire 201 is released when the inner guide wire lock member 60 is separated from the inner guide wire lock sleeve 50 . It is worth mentioning that the guide wire receiving port 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 connected in sequence to form a guide wire receiving channel.

1 to 13 , the locking structure 10 b includes at least two elastic clamping arms 62 formed on the end of the inner guide wire lock 60 and extending in the axial direction of the outer sleeve 10 and formed on the inner guide wire lock sleeve 50 The locking cavity 55 on the inner locking sleeve part 51 of the inner locking sleeve 51; the locking cavity 55 is used for at least two elastic clamping arms 62 to be inserted, and after the at least two elastic clamping arms 62 are inserted, the elastic clamping arms 62 are pressed against the outer casing The radial direction of the cylinder 10 moves the elastic clamping arms 62 inward and presses the inner guide wire 201 , the locking cavity 55 is communicated with the guide wire through groove 52 , and at least two elastic clamping arms 62 are along the circumferential direction of the inner guide wire lock 60 . spaced arrangement. In this embodiment, the number of the elastic clamping arms 62 is but not limited to two. The elastic clamping arms 62 extend forward from the front end of the inner guide wire lock member 60 along the axial direction of the outer sleeve 10 . 62 has a predetermined deformation gap, communicates with the inner guide wire through groove 61 and allows the inner guide wire 201 to pass through. It can be understood that when the inner guide wire lock 60 moves forward, the front end of the elastic clamping arm 62 moves inward in the radial direction of the outer sleeve 10 through the extrusion of the cavity wall of the locking cavity 55 and clamps and fixes the inner Guide wire 201 ; when moving backward, the pressing force exerted on the elastic clamping arm 62 is eliminated, and the front end of the elastic clamping arm 62 is elastically reset outward to release the inner guide wire 201 .

In yet another embodiment, the elastic clamping arm 62 is formed on the inner guide wire lock sleeve 50 , and the above-mentioned locking cavity 55 is formed at the end of the inner guide wire lock member 60 for the elastic clamping arm 62 to be pressed after being inserted. deformed.

Referring to FIGS. 1 to 13 , an inner guide anti-releasing structure 10 e is provided between the inner locking sleeve portion 51 and the inner guide wire locking member 60 to limit the disengagement of the two in the axial direction of the outer sleeve 10 . In this embodiment, the inner guide anti-loosening structure 10e includes an inner guide protrusion 63 protruding on the side wall of the inner guide wire lock 60 , and an inner guide protrusion 63 formed on the inner wall of the inner lock sleeve 51 and connected to the inner guide protrusion 63 cooperates with the inner guide concave portion 56 that engages, the inner guide convex portion 63 extends along the entire circumferential direction of the inner guide wire lock 60, and the inner guide concave portion 56 extends along the entire circumferential direction of the inner guide wire lock sleeve 50. The engagement of the portion 63 and the inner guide recess 56 maintains the position of the inner guide wire lock sleeve 50 and the inner guide wire lock piece 60 in the axial direction of the outer sleeve 10 . 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 to say, after the inner guide wire 201 is clamped and fixed, the inner guide convex portion 63 is engaged with the inner guide recess 56, and the position of the inner locking sleeve 51 and the inner guide wire lock 60 is maintained by the inner guide anti-releasing structure 10e, so that the inner guide wire 201 will not be clamped and fixed arbitrarily. If it is released, the inner guide wire 201 can be pulled back and forth, and the guide wire jacket 202 can be turned around. In particular, the guide wire jacket 202 is clamped by the gripping structure 10a disposed at the front end of the guide wire manipulator 100, and the inner guide wire 201 is locked by the locking structure 10b. The inner guide wire lock 60 and the inner guide wire 201 are driven to move back and forth, thereby adjusting the position of the inner guide wire 201 relative to the guide wire jacket 202 to adjust the deformation amplitude of the front end of the guide wire jacket 202 .

In other embodiments, the inner guide concave portion 56 is formed on the side wall of the inner guide wire lock member 60 , and the inner guide convex portion 63 is formed on the inner wall of the inner lock sleeve portion 51 .

1 to 13 , the push rod 71 has one end connected to the inner sleeve member 40 and the other end extending beyond the end of the outer sleeve 10 . In this embodiment, the push rod 71 has a circular cross section, the front end of the push rod 71 extends into the cavity 42 of the inner sleeve member 40 and is movably connected with the inner guide wire lock 60 , and the rear end is formed by the rear end of the outer sleeve 10 . The end is pierced out. It should be noted that after the guide wire assembly 200 is placed in the guide wire manipulator 100, the push rod 71 is pushed to move forward, and the front end of the push rod 71 pushes the inner guide wire lock 60 to move forward, and the inner guide wire lock 60 moves forward. After contacting with the inner guide wire lock sleeve 50, the inner guide wire lock sleeve 50 is driven to continue to move forward under the push of the push rod 71. Push the inner sleeve part 40 and the outer guide wire lock part 30 to move forward. After the outer guide wire lock part 30 is clamped into the guide wire sleeve lock sleeve 20, the grasping structure 10a clamps and fixes the guide wire sleeve 202, and at the same time the locking structure 10b The inner guide wire 201 is clamped and fixed, that is, the push rod 71 is pushed, and the guide wire jacket 202 and the inner guide wire 201 of the guide wire assembly 200 can be locked at the same time, which facilitates the fixing of the guide wire and improves the guide wire. wire installation efficiency.

Referring to FIGS. 1 to 13 , between the inner sleeve part 40 and the push rod 71 , a disengagement-preventing limiting structure 10 f is provided to limit the separation of the push rod 71 and the inner sleeve part 40 . In this embodiment, the disengagement prevention and 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 limit pin 74 defined in cooperation with the inner sleeve bolt 73. The limit pin 74 Fixed on the push rod 71. The inner sleeve bolt 73 has a circular cross-section, and its inner diameter matches the outer diameter of the push rod 71 . The outer side wall of the inner sleeve bolt 73 is protruded with a convex hull 731 , and the inner sleeve part 40 is provided with a convex hull for feeding. The convex hull mounting hole 44 inserted into the convex hull 731 is inserted into the convex hull mounting hole 44 through the convex hull 731 , so as to fix the inner sleeve bolt 73 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 along the axial direction of the outer sleeve 10 to the rear end surface of the inner sleeve member 40 , and the end of the limit pin 74 is inserted into the guide limiter. In this way, when it slides to the rear end of the inner sleeve part 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 achieved by pushing the push rod 71, and the backward movement of the inner sleeve member 40 is caused by the limit pin 74 and the inner sleeve bolt 73 after being abutted by the push rod. 71 pulled back.

1 to 13, the outer sleeve 10 is provided with a sleeve bolt 75 to restrict the inner sleeve part 40 from sliding out of the outer sleeve 10, the sleeve bolt 75 is held on the outer sleeve 10 by the sleeve end cover 72, and the sleeve bolt 75 has a circular cross-section whose inner diameter matches the outer diameter of push rod 71 .

1 to 13 , the side wall of the outer sleeve 10 is provided with a guide rail slot 14 for guiding the sliding of the connecting portion 54 of the inner guide wire lock sleeve 50 . It extends axially to the rear end, and the side wall of the inner sleeve member 40 is provided with a track slot 46 corresponding to the guide rail slot 14 for the connecting portion 54 to pass through, and the track slot 46 is misaligned with the guide limit slot 45 set up. The side wall of the outer sleeve 10 is provided with an outer sleeve locking groove 15 for the connecting portion 54 to slide in and out and communicate with the guide rail chute 14, and a side wall of the inner sleeve member 40 is provided with a corresponding outer sleeve locking groove 15. And the inner sleeve transition groove 47 communicates with the track chute 46. In this embodiment, the length dimension of the inner sleeve transition groove 47 in the axial direction of the outer sleeve 10 is greater 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 the gripping structure 10a provided at the front end of the guide wire operator 100, the clamping and loosening of the guide wire jacket 202 by the structure is realized by the movement of the outer guide wire lock 30 driven by the inner sleeve member 40. , using the push rod 71 and the anti-releasing limiting structure 10f to drive the inner sleeve part 40 to move backward to the preset position, and the grasping structure 10a to loosen the guide wire outer sleeve 202 . The inner guide wire lock sleeve 50 is movably installed in the inner sleeve member 40. After the inner guide wire lock sleeve 50 is rotated and screwed into the outer sleeve locking groove 15, the inner guide wire lock sleeve 50 is placed in the axial direction of the outer sleeve 10. The position is maintained, and then the inner guide wire lock 60 is pulled to move, thereby separating the inner guide wire lock sleeve 50 from the inner guide wire lock 60 , and the locking structure 10b releases the inner guide wire 201 .

1 to 13 , in this embodiment, the inner guide wire lock 60 has a locking column portion 64 extending radially outward from the side wall of the inner guide wire lock 60 along the outer sleeve 10 . The post-attachment portion 64 is slidably arranged in the rail chute 46 . The inner sleeve part 40 is provided with an inner sleeve locking groove 48 for sliding in and out of the locking column part 64 and communicating with the track chute 46, and the outer sleeve 10 is provided with an inner sleeve locking groove on the side wall. 48 corresponds to the outer sleeve transition groove 16 and communicates with the guide rail chute 14. The length dimension of the outer sleeve transition groove 16 in the axial direction of the outer sleeve 10 is greater than the length dimension of the inner sleeve locking groove 48 in the axial direction of the outer sleeve 10. In the front-rear direction of 10, the outer sleeve transition groove 16 is located behind the outer sleeve locking groove 15, and the inner sleeve locking groove 48 is located behind the inner sleeve transition groove 47 on the inner sleeve member 40. It should be noted that the inner sleeve member 40 can be locked. It moves relative to the outer sleeve 10 between the lock position and the release position. The lock position is the position when the outer guide convex portion 33 of the outer guide wire lock 30 is engaged with the outer guide concave portion 24 of the inner wall of the clamping sleeve 23. When When the inner sleeve member 40 is in the locking position, the gripping structure 10a and the locking structure 10b clamp and fix the guide wire outer sleeve 202 and the inner guide wire 201 respectively, and the outer sleeve locking groove 15 communicates with the inner sleeve transition groove 47, and the outer sleeve transition groove 16 Connected with the inner sleeve locking groove 48, the inner guide wire lock sleeve 50 and the inner guide wire lock piece 60 can pull the inner guide wire 201 to move back and forth independently of the inner sleeve part 40; the inner guide wire lock sleeve 50 drives the inner guide wire lock piece After the 60 moves to the position corresponding to the outer sleeve locking groove 15, rotate the inner guide wire lock sleeve 50 to screw it into the outer sleeve locking groove 15, and at the same time screw the inner guide wire lock piece 60 into the inner sleeve locking groove 48, pull The push rod 71 moves backward, and the push rod 71 drives the inner sleeve member 40 to move backward. The wire lock member 30 releases the guide wire jacket 202, and at the same time, the inner guide wire lock member 60 loosens the inner guide wire 201, so that the guide wire jacket 202 and the inner guide wire 201 can be separated synchronously, which is convenient for use.

In other embodiments, the front end of the push rod 71 is fixedly connected to the inner guide wire lock 60 , so that the inner wire lock 60 can be moved back and forth by pushing and pulling the push rod 71 .

In yet another embodiment, the push rod 71 and the inner guide wire lock 60 are integrally formed, and the two are integrally formed.

1 to 13 , in this embodiment, the operating portion 53 of the inner guide wire locking sleeve 50 is provided with an accommodating groove 57 for sliding in and out of the locking column portion 64 , and the accommodating groove 57 is along the outer sleeve. Axial extension of 10. In this way, when the inner guide wire lock sleeve 50 is twisted, the inner guide wire lock piece 60 can be rotated and screwed into the corresponding inner sleeve locking groove 48 together, so as to ensure the synchronous disengagement of the guide wire sleeve 202 and the inner guide wire 201; In addition, it is also possible to prevent the operation part 53 of the inner guide wire lock sleeve 50 from being pushed into the inner sleeve locking groove 48 due to accidental contact when separation is not required, causing the inner guide wire lock sleeve 50 to move back and forth with the inner guide wire. 201 to break away.

10 to 13 are three-dimensional schematic diagrams of the first state, the second state, the third state, and the fourth state of the guide wire manipulator 100 and the guide wire assembly 200 provided in this embodiment, respectively; The outer guide wire lock 30 at the front end of the sleeve part 40 is combined with the guide wire sleeve lock sleeve 20, the inner guide wire lock sleeve 50 in the cavity 42 of the inner sleeve part 40 is combined with the inner guide wire lock part 60, and the inner guide wire The wire lock sleeve 50 is located at the front end of the cavity 42, and the gripping structure 10a and the locking structure 10b simultaneously clamp the guide wire sleeve 202 and the inner guide wire 201; in the second state, the inner guide wire lock sleeve 50 moves backward by a predetermined stroke , and pull the inner guide wire 201 to move backward; when in the third state, the guide wire lock sleeve 50 and the inner guide wire lock piece 60 are rotated and screwed into the corresponding outer sleeve locking groove 15 and inner sleeve locking groove 48 respectively, The guide wire lock sleeve 50 is held by the outer sleeve 10 in the axial direction of the outer sleeve 10, and the inner guide wire lock member 60 is held by the inner sleeve member 40 in the axial direction of the outer sleeve 10; in the fourth state, pull the push rod 71 moves backward, and drives the outer guide wire lock 30 and the inner guide wire lock 60 to move backward through the inner sleeve member 40, and the grasping structure 10a and the locking structure 10b release the guide wire jacket 202 and the inner guide wire 201 at the same time.

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

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

2. The clamping and fixing of the inner and outer layers can be completed by just pushing the action forward, and the guide wire assembly 200 is easy to fix and install;

3. To loosen the inner and outer layers, it is only necessary to push the guide wire lock sleeve 50 and the inner guide wire lock piece 60 into the corresponding outer sleeve locking groove 15 and inner sleeve locking groove 48 after they are respectively rotated and screwed. It can be completed, and the guide wire assembly 200 is easy to disassemble;

4. It must be rotated before loosening to prevent the guide wire from being disassembled due to misoperation;

5. The inner and outer layers of the guide wire assembly 200 can be independently operated, and the inner guide wire 201 of the inner layer can be moved back and forth; the outer guide wire jacket 202 can be rotated, and the steering is accurate and the positioning can be repeated;

6. The direction change and forward and backward of the guide wire only need one-handed operation, which is convenient to use, not easy to make mistakes, and can prevent mis-disassembly.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements or improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

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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