Medical guide wire head end shaping machine

Abstract

The utility model belongs to the field of guide wire bending processing, and particularly relates to a medical guide wire head end shaping machine which comprises a tail end material pulling mechanism used for pulling the tail end of a guide wire and a head end material pulling mechanism used for pulling the head end of the guide wire, and is characterized in that the head end material pulling mechanism comprises a rotating seat, a feeding mechanism, a feeding mechanism and a discharging mechanism, the wire winding and guiding assembly is arranged on the rotating seat, and a wire winding and guiding position for winding and guiding a wire is arranged on the wire winding and guiding assembly; the head end clamping assembly is used for clamping the guide wire, the head end clamping assembly is arranged on the rotating seat, and the head end clamping assembly corresponds to the guide wire winding position; and the rotation driving assembly is used for driving the rotating seat to rotate and is in driving connection with the rotating seat. In the utility model, the shaping machine can be suitable for bending the head ends of the guide wires made of different materials, and is better in applicability.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the wire bending processing field, especially relates to a medical guide wire head end plastic machine. BACKGROUND

[0002] J-shaped guide wire is a kind of medical instrument widely used in medical field, and the most remarkable feature of the J-shaped guide wire is that the head end is bent to J-shaped, and the unique shape design makes the guide wire have better controllability and adaptability in the operation process.In the traditional J-shaped guide wire processing process, the bending processing of the head end is mostly manually operated by workers, which is not only low in efficiency, high in labor cost, and the quality of finished products is uneven.

[0003] In view of this problem, the prior art provides a guide wire elbow device (application number CN202120325668.9), which is characterized by comprising a head fixing mechanism for fixing the front end of the guide wire, a pulling mechanism for fixing the guide wire and cooperating with the head fixing mechanism to tension the guide wire, and a bending mechanism for bending the front end of the guide wire;The pulling mechanism is provided with a pulling fixing position for fixing the guide wire, the head fixing mechanism is provided with a head fixing position for fixing the front end of the guide wire, and the bending mechanism is provided with a bending position for abutting on the guide wire to cooperate with the pulling mechanism and the head fixing mechanism to bend the front end of the guide wire, and the shape formed by the three positions of the head fixing position, the bending position and the pulling fixing position is a triangle.The guide wire bending device provided by the prior art can automatically bend the front end of the guide wire, which is more efficient and lower in labor cost compared with manual operation by workers.However, after long-term use, the guide wire elbow device has some defects.Specifically, the guide wire needs to pass through the J-shaped guide channel, be guided and bent, and then be shaped and bent by pulling the guide wire.But some guide wires have greater hardness, and the front end is easy to be damaged by abutting and extruding the side wall of the channel when extending into and passing through the guide channel, and the applicability is poor. UTILITY MODEL CONTENTS

[0004] In order to solve the above problems, the purpose of the utility model is to provide a medical guide wire head end plastic machine, which can bend and shape the head end of the guide wire, and has better applicability.

[0005] In order to achieve the above purpose, the technical scheme of the utility model is as follows.

[0006] A medical guide wire head end plastic machine, the plastic machine comprises a tail end pulling mechanism for pulling the tail end of the guide wire and a head end pulling mechanism for pulling the head end of the guide wire, characterized in that the head end pulling mechanism comprises:

[0007] Rotary seat;

[0008] A wire winding assembly is mounted on a rotating base and has wire winding positions.

[0009] A head end clamping assembly for clamping the guide wire, the head end clamping assembly being disposed on a rotating base and corresponding to the guide wire winding position;

[0010] A rotary drive assembly for driving the rotation of the rotary seat, the rotary drive assembly being driven to the rotary seat.

[0011] When shaping the guide wire tip of this medical guide wire, the guide wire is first passed through the guide wire winding position and held by the tip clamping component. Then, the rotary drive component drives the rotating seat to rotate, controlling the tip clamping component to bend the guide wire tip around the winding position. At the same time, the tail end of the guide wire is pulled by the tail end pulling mechanism to achieve the bending and shaping of the guide wire tip. That is, this shaping machine will not damage the guide wire when bending and shaping the guide wire tip, and it can be used for bending guide wire tips of different materials, making it more versatile.

[0012] Furthermore, the tail-end pulling mechanism includes:

[0013] Sliding seat;

[0014] A tail end clamping assembly for clamping the tail end of a guide wire, the tail end clamping assembly being movably mounted on a sliding seat;

[0015] A counterweight that uses gravitational potential energy to pull the tail end clamping assembly on the sliding seat is connected to the tail end clamping assembly via a wire.

[0016] Furthermore, the tail end pulling mechanism also includes a reset component for controlling the tail end clamping assembly to reset on the sliding seat, the reset component corresponding to the tail end clamping assembly.

[0017] Furthermore, the head-end clamping assembly includes:

[0018] First gripper;

[0019] Second gripper;

[0020] A head-end gripper cylinder is used to control the clamping or separating of the first gripper and the second gripper. Both the first gripper and the second gripper are driven and connected to the head-end gripper cylinder.

[0021] Furthermore, the first gripper has a clamping groove adapted to the guide wire tip on the side near the second gripper, and the second gripper has a clamping plane on the side near the first gripper, with the clamping screen corresponding to the clamping groove.

[0022] Furthermore, a first guide opening is provided at one end of the clamping groove near the winding guide wire position, and the width of the clamping guide opening gradually decreases from one end of the clamping guide wire position to the other end.

[0023] Furthermore, the first guide port is in the shape of a semi-circular frustum.

[0024] Furthermore, the rotary drive assembly includes a rotary drive motor for driving the rotary seat to rotate about the guide wire position as an axis, and the rotary drive motor is drivenly connected to the rotary seat.

[0025] Furthermore, the head-end pulling mechanism also includes a head-end pulling component for pulling the guide wire. The head-end pulling component is fixedly mounted on the rotating seat and is drivenly connected to the head-end clamping component.

[0026] Furthermore, the head-end pulling assembly includes a head-end pulling cylinder, which is drivenly connected to the head-end clamping assembly.

[0027] Furthermore, the head-end pulling mechanism also includes a guide assembly, which has a guide channel for guiding the guide wire. The guide channel and the head-end clamping assembly are located on both sides of the guide wire winding position.

[0028] Furthermore, a second guide opening is provided at one end of the guide channel away from the winding guide wire position, and the width of the second guide opening gradually decreases from one end away from the winding guide wire position to the other end.

[0029] Furthermore, the second guide port is generally shaped like a frustum.

[0030] Furthermore, the guiding component includes:

[0031] A first guide member, wherein a first guide groove is provided on the first guide member;

[0032] The second guide member has a second guide groove.

[0033] A guide gripper cylinder is used to control the clamping or separating of the first guide member and the second guide member. The first guide member and the second guide member are both driven and connected to the guide gripper cylinder. The guide channel is formed by the first guide groove and the second guide groove.

[0034] Furthermore, the wire winding assembly includes a wire winding rod, and the wire winding position is a wire winding groove disposed around the wire winding rod.

[0035] Furthermore, the head-end pulling mechanism also includes a support base, the rotary drive assembly is fixedly mounted on the support base, the support base is also provided with a rotary sensor, and the rotary seat is provided with a rotary sensing plate corresponding to the sensor.

[0036] The beneficial effect of this utility model is that, when the medical guidewire tip shaping machine is performing the shaping process of the guidewire tip, the guidewire is first passed through the guidewire winding position, and the guidewire tip is held by the tip clamping component. Then, the rotating seat is driven to rotate by the rotation drive component, and the tip clamping component is controlled to drive the guidewire tip to bend around the guidewire winding position, so as to cooperate with the tail end pulling mechanism to pull the guidewire tail end, thereby realizing the bending and shaping process of the guidewire tip. That is, when the shaping machine performs bending and shaping processing on the guidewire tip, it will not damage the guidewire, and it can be applied to the bending processing of guidewire tips of different materials, thus having better applicability. Attached Figure Description

[0037] Figure 1 This is a first-view structural schematic diagram of the present invention.

[0038] Figure 2 This is a structural schematic diagram of the present invention from a second perspective.

[0039] Figure 3 This is a structural diagram of the blower drive assembly and the blower tube.

[0040] Figure 4 This is a schematic diagram of the head-end material pulling mechanism.

[0041] Figure 5 This is a structural diagram of the head-end material pulling mechanism, which conceals the bearing seat and the rotary drive assembly.

[0042] Figure 6 This is a schematic diagram of the structure of the first gripper and the second gripper.

[0043] Figure 7 This is a structural schematic diagram of the first guide component and the second guide component.

[0044] Icon labels:

[0045] 1. Tail-end feeding mechanism;

[0046] 11. Sliding seat; 111. Slide rail; 112. Pulley;

[0047] 12. Tail-end clamping assembly; 121. Tail-end gripper cylinder;

[0048] 13. Reset assembly; 131. Reset cylinder;

[0049] 2. Head-end material pulling mechanism;

[0050] 21. Rotary base; 211. Rotary induction plate;

[0051] 22. Guide wire winding assembly; 221. Guide wire winding position; 222. Guide wire winding rod;

[0052] 23. Head end clamping assembly; 231. First gripper; 2311. Clamping groove; 2312. First guide opening; 232. Second gripper; 2321. Clamping plane; 233. Head end gripper cylinder;

[0053] 24. Rotary drive assembly; 241. Rotary drive motor;

[0054] 25. Head-end pulling assembly; 251. Head-end pulling cylinder;

[0055] 26. Guide assembly; 261. Guide channel; 2611. Second guide opening; 262. First guide member; 2621. First guide groove; 263. Second guide member; 2631. Second guide groove; 264. Guide gripper cylinder;

[0056] 27. Support base; 271. Rotation sensor.

[0057] 3. Frame.

[0058] 4. Heating components;

[0059] 41. Hot air heater; 42. Air blower duct; 43. Air blower duct lifting drive cylinder; 44. Air blower duct translation drive cylinder; 45. Air blower duct bracket; Detailed Implementation

[0060] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0061] See Figures 1-7 This embodiment provides a medical guidewire tip shaping machine, which includes a tail end pulling mechanism 1 for pulling the tail end of the guidewire and a head end pulling mechanism 2 for pulling the head end of the guidewire. The head end pulling mechanism 2 includes:

[0062] Rotary seat 21;

[0063] The wire winding assembly 22 is mounted on the rotating seat 21, and the wire winding assembly 22 is provided with a wire winding position 221.

[0064] The head end clamping assembly 23 is used to clamp the guide wire. The head end clamping assembly 23 is disposed on the rotating seat 21 and corresponds to the guide wire winding position 221.

[0065] A rotary drive assembly 24 is used to drive the rotary seat 21 to rotate, and the rotary drive assembly 24 is driven to connect with the rotary seat 21.

[0066] In this embodiment, the tail-end pulling mechanism 1 includes:

[0067] A sliding seat 11, on which a slide rail 111 is provided;

[0068] The tail end clamping assembly 12 is used to clamp the tail end of the guide wire, and the tail end clamping assembly 12 is movably mounted on the slide rail 111 of the sliding seat 11.

[0069] The counterweight is moved on the sliding seat 11 by the tail clamping component 12 through gravitational potential energy. The counterweight is connected to the tail clamping component 12 by a connecting wire. Specifically, the counterweight can be a weight, and the connecting wire can be a metal wire or other wire. There is a pulley 112 on the sliding seat 11, and the connecting wire is wound around the pulley 112 and connected to the suspended weight.

[0070] It is worth noting that, in Figures 1-2 In order to showcase the internal structural design, some side panels (top, front, etc.) of the rack are hidden.

[0071] When the tail-end pulling mechanism 1 cooperates with the head-end pulling mechanism 2: the guide wire passes through the guide wire winding position 221, so that the head end of the guide wire is clamped by the head end clamping component 23, and then the rotating seat 21 is driven to rotate by the rotation drive component 24, controlling the head end clamping component 23 to drive the head end of the guide wire to bend around the guide wire winding position 221; while the tail end clamping component 12 clamps the tail end of the guide wire, and under the action of the counterweight, it pulls and tightens the guide wire to achieve the bending and shaping treatment of the head end of the guide wire.

[0072] In this embodiment, the tail end clamping assembly 12 includes a tail end clamping cylinder 121, which can clamp the tail end of the guide wire.

[0073] In this embodiment, the tail-end pulling mechanism 1 further includes a reset component 13 for controlling the tail-end clamping assembly 12 to reset on the sliding seat 11. The reset component 13 corresponds to the tail-end clamping assembly 12. Specifically, the reset component 13 includes a reset cylinder 131, which is fixed on the sliding seat 11, and its output shaft corresponds to the tail-end clamping assembly 12. The cylinder 131 can extend through its output shaft to push the tail-end clamping assembly 12 to reset on the sliding seat 11.

[0074] In this embodiment, the shaping machine also includes a frame 3, and the tail end pulling mechanism 1 and the head end pulling mechanism 2 are both fixed on the frame 3.

[0075] In this embodiment, the head-end clamping assembly 23 includes:

[0076] First gripper 231;

[0077] Second gripper 232;

[0078] A head-end gripper cylinder 233 is used to control the clamping or disengaging of the first gripper 231 and the second gripper 232. Both the first gripper 231 and the second gripper 232 are drivenly connected to the head-end gripper cylinder 233. The head-end gripper cylinder 233 can control the first gripper 231 and the second gripper 232 to clamp together to hold the guide wire head end; it can also control the first gripper 231 and the second gripper 232 to disengage to release the guide wire head end.

[0079] In this embodiment, the first gripper 231 has a clamping groove 2311 adapted to the guide wire tip on the side near the second gripper 232, and the second gripper 232 has a clamping plane 2321 on the side near the first gripper. The clamping screen corresponds to the clamping groove 2311. After the guide wire tip is inserted into the clamping groove 2311, the first gripper 231 and the second gripper 232 clamp together, so that the clamping plane 2321 presses on the guide wire tip. Through the cooperation of the clamping groove 2311 and the clamping plane 2321, the guide wire tip is clamped and fixed more stably.

[0080] In this embodiment, a first guide opening 2312 is provided at one end of the clamping groove 2311 near the winding guide wire position 221. The width of the clamping guide opening gradually decreases from one end near the winding guide wire position 221 to the other end. The first guide opening 2312 can guide the end of the guide wire to extend into the clamping groove 2311.

[0081] In this embodiment, the first guide port 2312 is generally in the shape of a semi-circular frustum.

[0082] In this embodiment, the rotary drive assembly 24 includes a rotary drive motor 241 for driving the rotary seat 21 to rotate around the guide wire position 221 as the axis, and the rotary drive motor 241 is drivenly connected to the rotary seat 21.

[0083] In this embodiment, the head-end pulling mechanism 2 further includes a head-end pulling component 25 for pulling the guide wire. The head-end pulling component 25 is fixedly mounted on the rotating seat 21 and is drivenly connected to the head-end clamping component 23. When the head-end clamping component 23 clamps the head end of the guide wire, the head-end pulling component 25 drives the head-end clamping component 23 to move, thus cooperating with the tail-end pulling mechanism 1 that pulls the tail end of the guide wire, causing the head end of the guide wire to bend and shape around the guide wire positioning 221.

[0084] In this embodiment, the head-end pulling assembly 25 includes a head-end pulling cylinder 251, which is drivenly connected to the head-end clamping assembly 23.

[0085] In this embodiment, the head-end pulling mechanism 2 further includes a guide component 26. The guide component 26 is provided with a guide channel 261 for guiding the guide wire. The guide channel 261 and the head-end clamping component 23 are located on both sides of the guide wire winding position 221. The guide component 26 can guide the head end of the guide wire through the guide wire winding position 221.

[0086] In this embodiment, a second guide opening 2611 is provided at one end of the guide channel 261 away from the guide wire winding position 221. The width of the second guide opening 2611 gradually decreases from one end away from the guide wire winding position 221 to the other end. The provision of the second guide opening 2611 can guide the guide wire tip to extend into the guide channel 261.

[0087] In this embodiment, the second guide port 2611 is generally truncated cone-shaped.

[0088] In this embodiment, the guide component 26 includes:

[0089] The first guide member 262 is provided with a first guide groove 2621;

[0090] The second guide member 263 is provided with a second guide groove 2631;

[0091] A guide gripper cylinder 264 is used to control the clamping or separating of the first guide member 262 and the second guide member 263. The first guide member 262 and the second guide member 263 are both driven and connected to the guide gripper cylinder 264. The guide channel 261 is formed by the enclosing of the first guide groove 2621 and the second guide groove 2631.

[0092] In this embodiment, the wire winding assembly 22 includes a wire winding rod 222, and the wire winding position 221 is a wire winding groove surrounding the wire winding rod 222.

[0093] In this embodiment, the head-end pulling mechanism 2 further includes a support base 27, and a rotary drive assembly 24 is fixedly mounted on the support base 27. A rotary sensor 271 is also mounted on the support base 27, and a rotary sensing plate 211 corresponding to the sensor is mounted on the rotary seat 21. The rotary sensor 271 and the rotary sensing plate 211 are provided to obtain the rotational position of the rotary seat 21 in real time.

[0094] Specifically, the support seat 27 is fixed to the sliding seat 11, and the sliding seat 11 is fixedly connected to the frame 3.

[0095] In this embodiment, the device further includes a heating component 4 for heating, which corresponds to the winding guide wire position 221.

[0096] In this embodiment, the heating assembly 4 includes a hot air heater 41, which includes a blower pipe 42 for blowing out hot air. The blower pipe 42 corresponds to the winding wire position 221. The hot air heater 41 can be an existing hot air box. By connecting to an external heater, the air pressure and airflow of the hot air blown out from the blower pipe 42 can be controlled after the hot air is introduced by the external heater. It is known that the external heater can heat the air through a heating wire. The hot air heater 41 contains a power regulator, a temperature controller, a compressed air solenoid valve, a compressed air pressure regulating valve, a compressed air flow regulating valve, etc., to control the air pressure and airflow of the hot air blown out from the blower pipe 42.

[0097] In this embodiment, the heating assembly 4 also includes a blower drive assembly for controlling the blower 42 to move closer to or further away from the winding wire position 221.

[0098] In this embodiment, the blower tube drive assembly includes a blower tube lifting drive cylinder 43, a blower tube translation drive cylinder 44, and a blower tube bracket 45. The blower tube lifting drive cylinder 43 is fixedly mounted on the blower tube bracket 45, and is drivenly connected to the blower tube translation drive cylinder 44. The blower tube translation drive cylinder 44 is drivenly connected to the blower tube 42. The blower tube lifting drive cylinder 43 and the blower tube translation drive cylinder 44 can cooperate to drive the lifting and translation of the blower tube 42, thereby controlling its approach or departure from the winding guide wire position. Specifically, the blower tube bracket 45 is fixed on the frame 3.

[0099] Working process: During the guide bending process, firstly, the guide gripper cylinder 264 drives the first guide member 262 and the second guide member 263 to clamp together. At this time, the first guide groove 2621 and the second guide groove 2631 surround and form a guide channel 261. The guide wire passes through the guide channel 261, passes through the guide wire winding position 221, and then extends into the clamping groove 2311. The clamping groove 2311 and the clamping plane 2321 cooperate to clamp and fix it.

[0100] Then, the guide gripper cylinder 264 drives the first guide member 262 and the second guide member 263 to separate. Finally, the rotary drive motor 241 drives the rotating seat 21 to rotate around the guide wire position 221 as the axis. The first gripper 231 and the second gripper 232 drive the guide wire head end to wrap around the guide wire position 221.

[0101] Finally, the tail end clamping assembly 12 clamps the tail end of the guide wire and, under the action of the counterweight, pulls and tightens the guide wire to achieve the bending and shaping process of the guide wire head end.

[0102] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A medical guide wire tip shaping machine comprising a tail end tensioning mechanism for tensioning a tail end of a guide wire and a tip tensioning mechanism for tensioning a tip end of a guide wire, characterized in that, The head-end pulling mechanism comprises: a rotating seat; a wire-winding assembly arranged on the rotating seat, the wire-winding assembly being provided with a wire-winding position for winding a wire; a head-end clamping assembly for clamping the wire, the head-end clamping assembly being arranged on the rotating seat and corresponding to the wire-winding position; a rotating driving assembly for driving the rotating seat to rotate, the rotating driving assembly being drivingly connected with the rotating seat.

2. The medical guide wire tip-shaping machine according to claim 1, wherein The head-end clamping assembly comprises: a first clamping jaw; a second clamping jaw; a head-end clamping cylinder for controlling the first clamping jaw and the second clamping jaw to clamp or separate, the first clamping jaw and the second clamping jaw being drivingly connected with the head-end clamping cylinder.

3. The medical guidewire tip shaping machine of claim 2, wherein, The first clamping jaw is provided with a clamping groove on a side close to the second clamping jaw, the clamping groove being adapted to the head end of the wire, and the second clamping jaw is provided with a clamping plane on a side close to the first clamping jaw, the clamping plane corresponding to the clamping groove.

4. The medical guidewire tip shaping machine of claim 1, wherein, The rotating driving assembly comprises a rotating driving motor for driving the rotating seat to rotate around the wire-winding position as an axis, the rotating driving motor being drivingly connected with the rotating seat.

5. The medical guidewire tip shaping machine of claim 1, wherein, The head-end pulling mechanism further comprises a head-end pulling assembly for pulling the wire, the head-end pulling assembly being fixedly arranged on the rotating seat and drivingly connected with the head-end clamping assembly.

6. The medical guidewire tip shaping machine of claim 5, wherein, The head-end pulling assembly comprises a head-end pulling cylinder, the head-end pulling cylinder being drivingly connected with the head-end clamping assembly.

7. The medical guidewire tip shaping machine of claim 1, wherein, The head-end pulling mechanism further comprises a guide assembly, the guide assembly being provided with a guide channel for guiding the wire, the guide channel and the head-end clamping assembly being respectively located on two sides of the wire-winding position.

8. The medical guidewire tip shaping machine of claim 7, wherein, The guide assembly comprises: a first guide member provided with a first guide groove; a second guide member provided with a second guide groove; a guide clamping cylinder for controlling the first guide member and the second guide member to clamp or separate, the first guide member and the second guide member being drivingly connected with the guide clamping cylinder, the guide channel being formed by the first guide groove and the second guide groove.

9. A medical guidewire tip shaping machine according to any one of claims 1-8, wherein, The tail-end pulling mechanism comprises: a sliding seat; a tail-end clamping assembly for clamping the tail end of the wire, the tail-end clamping assembly being movably arranged on the sliding seat; a counterweight for pulling the tail-end clamping assembly to move on the sliding seat by gravitational potential energy, the counterweight being connected with the tail-end clamping assembly through a connecting line.

10. The medical guidewire tip shaping machine of claim 9, wherein, The tail-end pulling mechanism further comprises a resetting assembly for controlling the tail-end clamping assembly to reset on the sliding seat, the resetting assembly corresponding to the tail-end clamping assembly.

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