CN216703151U

CN216703151U - Guide wire shaping device

Info

Publication number: CN216703151U
Application number: CN202022945777.9U
Authority: CN
Inventors: 张健; 吴伟; 李雪冬
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2022-06-10
Anticipated expiration: 2030-12-11

Abstract

The utility model relates to the technical field of instruments, in particular to a device for providing guide wire angle shaping in the technical field of medical instruments. The utility model provides a ware is moulded to seal wire, this ware is moulded to seal wire includes brace table and angle tool bit, and the brace table is used for the holding surface of placing as the seal wire, and the angle tool bit is the accurate pressure book of angle that is used for the seal wire. The guide wire is placed on the supporting table, a certain bending length is extended out, the guide wire is pressed downwards by an angle tool bit with a certain angle on the bottom surface, and the guide wire with one end having a required accurate angle is prepared. The utility model provides a guide wire shaper which can quickly and reliably provide a guide wire with a certain bending angle according to requirements.

Description

Guide wire shaping device

Technical Field

The utility model relates to the technical field of instruments, in particular to a guide wire angle device in the technical field of medical instruments.

Background

In practice, we often need to bend some metal materials or filament-like materials of non-metal materials at a certain angle to form a shape with a bending head with a certain length for convenient use, but most of the tools for bending angles in the prior art are used for bending metals with a certain thickness, and the bending angles of the filament-like materials are usually completed manually, which causes deviation of the bending angles and is inaccurate. In medical clinical practice, for example, a "guide wire" shaped material is often used in surgery or interventional procedures for opening or fixing certain tissues, and the diameter of the guide wire material is usually less than 1mm, and one end of the guide wire material is bent at a precise angle to realize the function. Due to the lack of special bending equipment or tools, most bending is manually bent by doctors visually according to use experience, the bending forming of the material is generally approximate bending, and accidents are easily caused under the conditions of precision production or medical operation and the like which need to be accurate. For example: when the cardiovascular internal medicine is used for completely dredging the blocked blood vessel blockage (CTO), the head of the guide wire for dredging the blood vessel needs to be bent into a certain length and an angle according to the shape of the blood vessel, so that a doctor can smoothly complete the operation according to the requirement. But at present, clinicians generally use experience to mold guide wires, the molding length and angle cannot be accurately grasped, blood vessel dredging failure is easily caused in the operation process, certain influence is caused on the quality of the operation, and the health and life safety of patients can be threatened seriously.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a guide wire shaper which can quickly and reliably provide a guide wire with a certain bending angle according to requirements.

The guide wire comprises a metal wire, the metal wire with a coating and a hollow metal wire, wherein the metal comprises an alloy; the nonmetal is a hard nonmetal material which has certain ductility and can complete certain penetrating functions; and the guide wire (guide wire) is a tool for puncture, intubation and dredging, and plays a role in guiding and supporting the catheter and helps the catheter to enter a cavity or a target position.

For further clarity of the technical solution of the present invention, we will set the direction of the guide wire entering from front to back, and then the front side and the back side in the text should be understood as the side of the guide wire near the guide wire before entering is the front side, and the side near the bending head of the guide wire during bending is the back side.

To achieve the above object:

the present invention first provides: the utility model provides a ware is moulded to seal wire, this ware is moulded to seal wire includes brace table and angle tool bit, and the brace table is used for the holding surface of placing as the seal wire, and the angle tool bit is the accurate pressure book of angle that is used for the seal wire. The guide wire is placed on the supporting table, a certain bending length is extended out, the guide wire is pressed downwards by an angle tool bit with a certain angle on the bottom surface, and the guide wire with one end having a required accurate angle is prepared.

The angled tool bit of the present invention refers to a three-dimensional structure (tool bit body) having a bottom surface with a specific inclination angle. Further, the angled bottom surface may be comprised of one or more differently angled surfaces (small bits). Because the inclined angles of the inclined planes (small cutter heads) are different, the godet heads with different bending angles can be folded in the wire pressing process. Preferably, the inclined surfaces are distributed continuously or at intervals.

Further preferably, the structure of the small cutter head of the utility model can be as follows: one or more bosses are arranged on the bottom surface of the tool bit main body along the side edges of the bottom surface, the vertical side surfaces of the bosses opposite to the side surfaces of the support platform are prepared into inclined surfaces, and the inclined surfaces and the side surfaces of the support platform form a certain angle.

Furthermore, the angle tool bit is fixedly connected with the support table through a connecting device, the angle tool bit can move up and down under the constraint of the connecting device to complete the bending action of the guide wire, and the connecting device is preferably a spring connecting device. More preferably, the spring connecting device has a structure that: two ends of the angle tool bit are respectively connected with the supporting platform through springs. Further preferably, hollow cavities are formed in two ends of the angle cutter head, springs are arranged in the hollow cavities, and the bottoms of the springs are fixedly connected with the supporting table. In order to stably limit the displacement of the angle cutter head except the vertical direction, the spring is sleeved on the guide post, one end of the guide post is fixed with the support platform, and the other end of the guide post penetrates through the angle cutter head and is a free end.

Furthermore, the guide wire shaping device is provided with a guide wire inlet hole platform on the support platform, and a guide wire inlet hole is formed in the guide wire inlet hole platform and used for guiding the guide wire to the position below the angle tool bit. Specifically, in order to ensure that the guide wire can be accurately positioned below the cutter head of the angle cutter head after penetrating from one side of the support table to the other side, a guide wire inlet hole is formed in one side of the support table. One or more guide wire inlet holes can be arranged, and the number of the guide wire inlet holes is preferably matched with the number of the small cutter heads of the angle cutter head. The aperture size of seal wire hand-hole matches with the thickness of required crimping material according to actual need, and the terminal silk mouthful minimum point that goes out of seal wire hand-hole matches with the side on the supporting bench to guarantee that the seal wire gets into seal wire entry back supporting bench side can play the supporting role.

Further, the guide wire shaper is provided with a wire pressing device, and particularly, the angle cutter head is provided with the wire pressing device in order that the guide wire does not displace in the bending process.

Preferably, the wire pressing device is an angle tool bit bottom side surface, in the guide wire bending process, the angle tool bit moves downwards, the bottom side surface of the angle tool bit is matched with and fixed to the guide wire on the supporting table, the small tool bit positioned on the lower side of the angle tool bit main body is adjacent to the rear side surface of the supporting table and positioned on the lower side of the rear side surface of the angle tool bit main body, and an included angle is formed between the inclined surface of the small tool bit and the rear side surface of the supporting table when the angle tool bit is pressed down.

Preferably, the angle tool bit is connected with the wire pressing device through a spring device, further, the angle tool bit main body is provided with an inner cavity, a pair of springs are arranged in the inner cavity, one end of each spring is fixed with the tool bit main body, and the other end of each spring is fixed with the wire pressing device; the lower side surface of the wire pressing device is lower than the lower side surface of the tool bit main body in a natural state of the spring. Furthermore, the inner cavity is arranged in the middle of the angle cutter head, and the springs are symmetrically arranged along the center line of the inner cavity. Still further, the silk pressing device is of a three-dimensional structure with a plane bottom surface.

Furthermore, the guide wire shaper is provided with a limiting device for accurately limiting the bending length of the guide wire. Specifically, a limiting device is arranged on the rear side of the supporting table and is arranged on the rear side of the angle tool bit and the opposite side of the guide wire inlet hole, the distance between the front side surface (limiting surface) of the limiting device and the rear side surface of the supporting table is called stroke length, and the stroke length determines the bending length of the guide wire. According to actual needs, different stroke lengths can be simultaneously set to control the head bending lengths of different guide wires by adjusting the structure of the limiting device or setting different limiting devices.

Furthermore, the guide wire shaper can be further provided with a substrate, and the substrate is used for bearing the guide wire shaper. Preferably, the guide wire shaper is detachably connected with the substrate in a manner including, but not limited to: bolt, screwed connection, buckle joint etc, be provided with seal wire shaper mounting structure on the base plate, include but not limited to: screw holes, snap structures and the like. Further preferably, one or more guide wire shapers are simultaneously arranged on the substrate, and the shaping angle and the shaping length of the guide wire shapers can be the same or different.

More preferably, the limiting device is arranged on the base plate, is arranged on the rear side of the angle tool bit and on the opposite side of the guide wire inlet hole, and is away from the rear side surface of the support platform by the stroke length.

Furthermore, in order to facilitate combination of the guide wire shaper and the substrate in the using process, the limiting device and the supporting table can be integrally arranged.

Further preferably, in order to conveniently prepare guide wires with different bending angles and lengths at any time, a plurality of guide wire shaper monomer mounting structures can be arranged on the substrate, each guide wire shaper monomer is a guide wire shaper monomer consisting of each guide wire shaper and a limiting device, and the stroke length of each guide wire shaper monomer can be different, namely, the guide wire shaper consisting of a plurality of guide wire shaper monomers can meet the requirements of different bending angles at different stroke lengths.

The guide wire shaper provided by the utility model can be used for bending various guide wire ends, and a user can adjust the stroke length and the specification of an angle tool bit according to actual requirements. The size and the manufacturing material of the guide wire shaper are adjusted according to the performance and the thickness of the material to be bent so as to be suitable for the bent material. The material for preparing the guide wire shaper of the utility model preferably comprises synthetic material, alloy material or metal material and the like.

Secondly, the utility model provides a preparation method of the guide wire shaper, which comprises the following steps: a guide wire inlet hole is formed in one side face (front side) of the upper portion of the supporting table, a plurality of guide wire inlet holes are formed in the guide wire inlet holes, the hole diameter of each guide wire inlet hole is matched with the thickness of a required folded material according to actual requirements, the lowest point of a tail end wire outlet of each guide wire inlet hole is matched with the side face of the supporting table, and therefore the guide wire can be guaranteed to enter the guide wire inlet and then the upper side face of the supporting table can play a supporting role.

The supporting table and the angle tool bit are connected together through the connecting device, and the supporting table and the angle tool bit can be connected together through the spring connecting device to enable the angle tool bit to move up and down relative to the supporting table.

Preferably, the angle tool bit comprises a tool bit body and an inclined plane tool bit, the vertical side face, close to the support platform, of the inclined plane tool bit is provided with a slope face used as the tool bit, and the slope face is matched with the side face on the support platform in the sinking process of the angle tool bit to finish the guide wire bending task.

In addition, a limiting device matched with the other side surface (rear side) of the substrate or the supporting platform needs to be manufactured, the limiting device is fixed on the rear side of the substrate or the supporting platform, and the distance between the limiting device and the rear side surface of the supporting platform is called stroke length, namely bending length.

Preferably, the stroke length comprises: 1mm, 2mm, 3 mm.

Further preferably, the head angle on the angle head comprises: 30 degrees, 45 degrees, 70 degrees, 90 degrees.

Preferably, the limiting device can move back and forth, and when the angle cutter head is pressed down for forming, the limiting device is pushed out (or extruded out) outwards, so that the end head is not shielded when the guide wire is bent.

In conclusion, the technical scheme adopted by the utility model can conveniently and quickly finish the bending of the metal guide wire or other materials with certain toughness and ductility. Under the idea of the utility model, the structure can be miniaturized, lightened, and also enlarged, and the pressure supply can be changed from manual to mechanical force. The angle shaper provided by the utility model can accurately carry out angle bending and length bending on the guide wire, and the guide wires with different bending lengths and bending angles can be prepared according to actual requirements.

Drawings

Fig. 1 is a schematic diagram of a specific structure of the present invention.

Fig. 2 is another specific structural diagram of the present invention.

Fig. 3 is a schematic diagram of a specific internal structure of the present invention.

Fig. 4 is a schematic view of a specific angle tool bit according to the present invention.

Fig. 5 is a front view of a specific internal structure of the present invention.

Fig. 6 is a schematic diagram of another embodiment of the present invention.

FIG. 7 is a top view of a specific structure of the present invention.

Detailed Description

The technical solution of the present invention is further explained below with reference to the accompanying drawings.

Example 1:

as shown in figure 1, the guide wire shaper comprises a support platform 2 and an angle cutter head 31, wherein the support platform 2 is used as a lower support surface of a guide wire, and the angle cutter head 31 is used for pressing and folding the guide wire. The guide wire is placed on the support platform 2, extends out for a certain bending length, and is pressed down by clinging to the side surface of the support platform through an angle tool bit 31 with a certain angle on the bottom surface.

The angle tool bit 31 comprises a first step 10 and a second step 11, and a slope surface with a certain angle is arranged on the vertical side surface of the second step 11 adjacent to the support table 2 as the tool bit. In the sinking process of the angle tool bit 31, the bottom surface 10 of the first step platform is attached to the upper side surface of the support platform 2 to fix the guide wire, and the upper tool bit part of the second step platform 11 is pressed downwards to finish the guide wire bending task.

Example 2:

as shown in fig. 2, the guide wire shaper comprises a support table 2 and an angle tool bit 31, wherein the support table 2 is used as a lower support surface of the guide wire, and the angle tool bit 31 is used for crimping the guide wire. The guide wire is placed on the support platform 2, extends out for a certain bending length, and is pressed down by clinging to the side surface of the support platform through an angle tool bit 31 with a certain angle on the bottom surface.

Angle tool bit 31 is rectangular cubic, and the bump that is provided with certain length on its bottom trailing flank is tool bit portion 30, and this bump is close to the perpendicular side of brace table trailing flank and is the inclined plane, sinks back at angle tool bit 31 these inclined planes and brace table 2's the side of going up and trailing flank laminating mutually, accomplishes the seal wire task of buckling.

Example 3:

the utility model provides a seal wire shaper, includes a supporting bench 2, and set up in angle tool bit 31 on the supporting bench 2. The angle tool bit 31 can be fixed on the upper side of the support platform 2 in a vertically movable mode through a spring connecting device, and the tool bit part 30 of the angle tool bit 31 is matched with the support platform 2 to complete the pressing and folding actions after sinking.

Example 4:

the utility model provides a seal wire shaper, includes base plate 1, sets up seal wire shaper 21 on base plate 1, seal wire shaper 21 includes a supporting bench 2, and set up in angle tool bit 31 on the supporting bench 2. The angle tool bit 31 can be fixed on the upper side of the support platform 2 in a vertically movable mode through a spring connecting device, and the tool bit part of the angle tool bit 31 is matched with the support platform 2 to complete the pressing and folding action after sinking. The guide wire shaper 21 is detachably connected with the substrate 1 in a screw connection mode. Three guide wire shapers may be provided on one base plate 1. The base plate 1 is provided with a screw hole 22 of a guide wire shaper mounting structure.

Example 5:

a guide wire shaper is composed of a supporting table 2, an angle tool bit 31, a guide wire hole-entering table 4, a limiting device 5 and a wire pressing device 40. The angle cutter head 31 is provided with bending heads with 3 angles of 30 degrees, 45 degrees and 70 degrees, and is formed by one-step die casting through a high-precision die. Ensuring the bending angle to be accurate and consistent. Two sides of the angle tool bit 31 are also provided with 2 guide posts 6, so that the up-and-down movement precision of the angle tool bit 31 is ensured. The guide wire inlet hole table 4 is provided with a guide wire inlet hole 37, the angle tool bit 31 is provided with a wire pressing device 40, and when the angle tool bit 31 is pressed downwards, the guide wire is firstly pressed on the support table 2 by the wire pressing device 40, so that the guide wire is prevented from moving. When the angle tool bit 31 is pressed to the bottom, the angle tool bit 31 and the support platform 2 are matched to bend the guide wire to a standard angle. And a guide wire limiting hole is formed in the position, corresponding to the guide wire inlet hole 37, of the limiting device 5, so that the guide wire end is prevented from deviating or bending. The limiting device 5 can move back and forth, when the angle tool bit 31 is pressed and formed, the limiting device 5 can be withdrawn, and the end head is not shielded when the guide wire is bent.

Example 6:

the utility model provides a seal wire shaper, includes base plate 1, set up in brace table 2 on the base plate 1, be provided with the angle tool bit on the brace table 2. The angle cutter head can be movably fixed on the upper side of the support platform 2 up and down through a spring connecting device. The supporting table 2 and the angle tool bits matched with the supporting table are three and are fixed on the substrate 1 in a shape like a Chinese character 'pin'. The rear side of the supporting table 2 is provided with a limiting device 5, the distance between the limiting device 5 and the supporting table 1 is called as stroke length, and the stroke length is 1mm, 2mm and 3mm respectively. The angle cutter head is provided with three different inclined plane cutter heads 32, 33 and 34 so as to conveniently bend the guide wire into a required angle. Correspondingly, a guide wire inlet hole platform 4 is arranged on one side of the support platform 2, a plurality of guide wire inlet holes 37 are formed in the guide wire inlet hole platform, and the cutter heads entering from different guide wire inlet holes 37 correspond to different angles.

The two ends of the angle cutter head 31 are provided with cylindrical cavities 35, and springs 36 are arranged in the cylindrical cavities 35. Further, in order to stably limit the displacement of the angle cutter head 31 in the direction other than the vertical direction, a guide post 6 is arranged inside the spring 36, one end of the guide post 6 is fixed to the support platform 2, and the other end of the guide post passes through the angle cutter head 31 and is a free end. The cylindrical cavity is through-hole shaped, and an inwardly protruding circular boss is arranged on the inner side of the cylindrical cavity to limit the spring 36, so that the spring 36 is fixed between the angle cutter head and the support platform. The guide post passes through the circular boss.

In order to ensure that the guide wire can accurately pass from one side of the support table 2 to the other side of the support table and then be positioned below the cutter head part 30 of the angle cutter head 31, a guide wire inlet hole 37 is formed in one side of the support table, a plurality of guide wire inlet holes 37 are formed, the number of the guide wire inlet holes 37 is matched with the number of the cutter heads of the angle cutter head 31, the aperture size of each guide wire inlet hole 37 is matched with the thickness of a required folded material according to actual needs, the lowest point of a wire outlet at the tail end of each guide wire inlet hole 37 is matched with the upper side face of the support table 2, and therefore the upper side face of the support table 2 can play a supporting role after the guide wire enters the guide wire inlet 37.

In order to prevent the guide wire from displacing in the bending process, the angle cutter head is provided with a wire pressing device. The silk device is angle tool bit bottom side, and in the seal wire bending process, angle tool bit 31 descends, and its bottom side cooperatees with the side on the brace table 2 and fixes the seal wire, is located the tool bit portion 30 of angle tool bit 31 main part downside and is in the back side of brace table 2, is located the downside of angle tool bit 31 main part back side, forms the contained angle between the inclined plane of tool bit portion 30 and the brace table back side when angle tool bit 31 pushes down.

In addition, the wire pressing device can also adopt another arrangement mode, a pair of springs 8 are symmetrically arranged in the inner cavity of the tool bit main body along the central line of the inner cavity, one ends of the springs 8 are fixed with the tool bit main body, the springs are fixed with a pressing plate 38 in the embodiment, and the pressing plate is fixed with the tool bit main body. The other end of spring is fixed with pressing silk device 40, pressing silk device 40 is rectangular strip piece, and the downside of pressing silk device 40 is less than the tool bit main part downside under the spring 8 natural state.

Example 7:

the utility model provides a seal wire shaper, includes base plate 1, set up in brace table 2 on the base plate 1, be provided with the angle tool bit on the brace table 2. The angle tool bit can be movably fixed on the upper side of the support platform 2 up and down through a spring connecting device. The number of the support tables 2 and the angle tool bits matched with the support tables is three, and the support tables are fixed on the base plate 1 in a shape like a Chinese character 'pin'. The rear side of the supporting table 2 is provided with a limiting device 5, the distance between the limiting device 5 and the supporting table 1 is equal to the stroke length, and the stroke length is 1mm, 2mm and 3mm respectively. The angle tool bit is provided with tool bits with three different angles so as to conveniently bend the guide wire into the required angle. Correspondingly, a guide wire inlet hole table 4 is arranged on one side of the support table 2, a plurality of guide wire inlet holes 37 are formed in the guide wire inlet hole table 4, and the cutter heads entering from different guide wire inlet holes 37 correspond to different angles.

The specific structure can be further described as follows: base plate 1 is provided with brace table 2 on the base plate 1, and brace table 2's front side is provided with seal wire inlet platform 4, and brace table 2's the left and right sides is provided with fixed column 6, and the spring is established to the cover on the fixed column to install angle tool bit outside casing 3, angle tool bit outside casing 3 middle part is provided with clamp plate 7, and clamp plate 7 downside is provided with two vertical springs 8 along its central axis symmetry, and two vertical springs 8 are connected with the both ends of angle tool bit 31 respectively. The angle tool bit 31 includes a first step 10 and a second step 11, and the vertical side of the second step 11 adjacent to the support platform 2 is set as a slope of a certain angle. In the sinking process of the angle tool bit 31, the bottom surface of the first step 10 is attached to the upper side surface of the support table 2 to fix the guide wire, and the upper tool bit part of the second step 11 is pressed down to finish the guide wire bending task. A limiting device 5 is arranged at the rear side of the supporting platform 2, and the positions of the limiting device 5 and the supporting platform 2 can be adjusted according to the length of the guide wire bending part required in practice.

The technical scheme provided by the utility model has the following advantages: 1. the bending of the guide wire can be accurately, stably and quickly completed. And 2, the guide wire bending requirements at different angles can be met, so that the guide wire head can be bent into different angles, and the lengths of the bent parts are different. The same patient can be used several times in the same operation. The use can be abandoned after finishing, and the use cost is low, and the safety performance is high. 4, the set impact stroke is precise, the sinking space of the angle tool bit is strictly limited, the moving space of the guide wire is strictly limited, and the extending space of the guide wire is limited, so that the high-precision bent guide wire can be prepared.

Claims

1. A guidewire shaper, comprising: the angle tool bit is connected with the supporting table through a connecting device, the angle tool bit can move up and down under the constraint of the connecting device to finish the bending action of the guide wire, the angle tool bit is of a three-dimensional structure with a wire pressing surface, the three-dimensional structure is a tool bit main body, the wire pressing surface is an inclined surface, a boss is arranged on the bottom surface of the tool bit main body along the side edge of the tool bit main body, the vertical side surface, opposite to the side surface of the supporting table, of the boss is prepared into an inclined surface serving as the wire pressing surface, and the wire pressing surface and the side surface of the supporting table form a certain angle.

2. The guidewire shaper of claim 1, wherein: the wire pressing surface is composed of a plurality of different inclined surfaces, the inclined surfaces are distributed continuously or at intervals, and the inclined surfaces are small tool bits.

3. The guidewire shaper of claim 1, wherein: the connecting device is a spring connecting device, and the connecting device is as follows: a spring is arranged between the angle tool bit and the supporting platform and sleeved on the guide post, one end of the guide post is fixed with the supporting platform, and the other end of the guide post penetrates through the angle tool bit and is a free end.

4. The guidewire shaper of claim 1, wherein: be provided with on the seal wire shaping device and press a silk device, the angle tool bit passes through spring assembly with pressing a silk device and is connected, angle tool bit main part sets up the inner chamber, sets up the spring in the inner chamber, and spring one end is fixed with the tool bit main part, and the other end is fixed with pressing a silk device, and the spring natural state presses a silk device downside to be less than tool bit main part downside down, and the inner chamber setting is at the middle part of angle tool bit, and the spring has a pair ofly, along the symmetrical setting of inner chamber central line, presses a silk device to be that the bottom surface is planar spatial structure.

5. The guidewire shaper of claim 2, wherein: the angle tool bit is characterized in that a guide wire inlet hole platform is arranged on the supporting platform, guide wire inlet holes are formed in the guide wire inlet hole platform and used for guiding guide wires to the lower portion of the angle tool bit, one or more guide wire inlet holes are formed in the guide wire inlet hole platform, the number of the guide wire inlet holes is matched with the number of small tool bits of the angle tool bit, and the lowest point of a tail end wire outlet of each guide wire inlet hole is matched with the upper side face of the supporting platform.

6. The guidewire shaper of claim 2, wherein: the guide wire shaping device is provided with a wire pressing device, the wire pressing device is an angle tool bit bottom side surface, in the guide wire bending process, an angle tool bit moves downwards, the bottom side surface of the angle tool bit is matched with the upper side surface of the supporting table to fix the guide wire, a small tool bit positioned on the lower side of the angle tool bit main body is adjacent to the rear side surface of the supporting table, the small tool bit is positioned on the lower side of the rear side surface of the angle tool bit main body, and an included angle is formed between the inclined surface of the small tool bit and the rear side surface of the supporting table when the angle tool bit is pressed down.

7. The guidewire shaper of claim 4, wherein: the guide wire shaping device is provided with a limiting device used for limiting the bending length of the guide wire, the limiting device is arranged on the rear side of the angle tool bit and the opposite side of the guide wire inlet hole, the front side face of the limiting device is a limiting face, the distance between the limiting face and the rear side face of the support table is called as stroke length, and the stroke length determines the bending length of the guide wire.

8. The guidewire shaper of claim 7, wherein: the guide wire shaping device is arranged on the substrate, the substrate is used for bearing the guide wire shaping device, the guide wire shaping device is detachably connected with the substrate, a plurality of guide wire shaping device single body mounting structures are arranged on the substrate, each guide wire shaping device single body is a guide wire shaping device single body formed by each guide wire shaping device and a limiting device, and the stroke length of each guide wire shaping device single body is different.

9. The guidewire shaper of claim 7, wherein: the stroke length includes: 1mm, 2mm, 3mm, the tool bit angle on the angle tool bit includes: 30 degrees, 45 degrees, 70 degrees, 90 degrees.