Auxiliary tool for machining implanted support

Abstract

The auxiliary tool comprises a supporting mechanism and a machining platform, the machining platform comprises a bottom plate, a middle plate and a top plate, the middle plate is in sliding connection with the bottom plate in the first direction, and the top plate is in sliding connection with the middle plate in the second direction; the top plate comprises a top plate body, a cylindrical mold which is arranged on the top plate body in a manner of rotating around the axis of the cylindrical mold and is used for being connected with an implanted stent, and a driving assembly which is configured to drive the cylindrical mold to rotate; the supporting mechanism can drive the machining platform to rotate, so that rotation and inclination angle adjustment of the machining platform are achieved. The machining platform comprises a bottom plate, a middle plate and a top plate, and through movement of the middle plate and the top plate, front-back and left-right accurate movement of a machining plane can be achieved. The cylindrical mold rotates around the axis of the cylindrical mold, 360-degree carving of the stent pipe can be achieved, and the auxiliary tool is suitable for carving of the implanted stent and quite convenient to use.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical devices, and particularly relates to an auxiliary tooling for processing an implant stent. Background Art

[0002] In the medical field, implant stents, especially vascular stents, are increasingly widely used.

[0003] Vascular stents are usually made of metal materials, and NiTi alloy stents are the most widely used. For the processing of NiTi alloy stents, the early method was hand weaving. Due to the limitations of manual operation, the woven stents generally had large sizes, small radial forces, and the quality could not be guaranteed. Subsequently, both at home and abroad, attempts were made to use lasers for cutting and engraving to form a mesh-like hollow structure, and auxiliary tooling was required for laser cutting and engraving. However, the existing stent auxiliary tooling has problems such as inconvenient operation and low precision. Content of the Utility Model

[0004] The purpose of the utility model is to provide an auxiliary tooling for processing an implant stent with good operability and capable of multi-angle adjustment.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is:

[0006] An auxiliary tooling for processing an implant stent, the auxiliary tooling includes a support mechanism, the support mechanism includes a base, a support arm rotatably arranged on the base, and a fixing frame rotatably arranged on the support arm;

[0007] A processing platform, the processing platform includes a bottom plate, an intermediate plate, and a top plate arranged in sequence. The bottom plate is fixedly connected to the fixing frame. The intermediate plate is slidably connected to the bottom plate along a first direction, and the top plate is slidably connected to the intermediate plate along a second direction. The first direction is perpendicular to the second direction. The top plate includes a top plate body, a cylindrical mold rotatably arranged on the top plate body and used for connecting an implant stent, and a driving component configured to drive the cylindrical mold to rotate.

[0008] Preferably, the processing platform further includes a first sliding driving component arranged between the bottom plate and the intermediate plate and a second sliding driving component arranged between the intermediate plate and the top plate.

[0009] In some embodiments, the first sliding drive assembly includes a first fixed block, a first screw, and a second fixed block. Among them, the first fixed block and the second fixed block are respectively fixedly connected to the intermediate plate and the bottom plate. The first screw passes through the first fixed block and the second fixed block and is threadedly connected to both. At least one end of the first screw extends out of the intermediate plate and / or the bottom plate. When the first screw is rotated, the first screw drives the intermediate plate to slide in the first direction.

[0010] Further, the end of the first screw extending out of the intermediate plate and / or the bottom plate has a first screw operating portion that is convenient to hold.

[0011] Furthermore, the outer surface of the first screw operating portion is provided with anti-slip ridges.

[0012] In some embodiments, the second sliding drive assembly includes a third fixed block, a second screw, and a fourth fixed block. Among them, the third fixed block and the fourth fixed block are respectively fixedly connected to the top plate and the intermediate plate. The second screw passes through the third fixed block and the fourth fixed block and is threadedly connected to both. At least one end of the second screw extends out of the top plate and / or the intermediate plate. When the second screw is rotated, the second screw drives the top plate to slide in the second direction.

[0013] Further, the end of the second screw extending out of the top plate and / or the intermediate plate has a second screw operating portion that is convenient to hold.

[0014] Furthermore, the outer surface of the second screw operating portion is provided with anti-slip ridges.

[0015] Preferably, the processing platform further includes a first guiding assembly disposed between the bottom plate and the intermediate plate and a second guiding assembly disposed between the intermediate plate and the top plate.

[0016] In some embodiments, the first guiding assembly includes a first sliding rail that is disposed on either the bottom plate or the intermediate plate and extends in the first direction, and a first slider that is disposed on the other and is slidably connected to the first sliding rail.

[0017] Further, there are two sets of the first guiding assembly symmetrically disposed in the first direction.

[0018] In some embodiments, the second guiding assembly includes a second sliding rail that is disposed on either the intermediate plate or the top plate and extends in the second direction, and a second slider that is disposed on the other and is slidably connected to the second sliding rail.

[0019] Further, there are two sets of the second guiding assembly symmetrically disposed in the second direction.

[0020] Preferably, the processing platform further includes a light-emitting plate installed on the top plate.

[0021] Preferably, the top plate further includes a first bushing and a second bushing. The first bushing is rotatably arranged on the top plate body and connected to the driving assembly. The second bushing is fixedly connected to the top plate body. Two ends of the cylindrical mold are detachably connected between the first bushing and the second bushing and the three are coaxial.

[0022] More preferably, the driving assembly includes a belt and a driving shaft located outside the first bushing. The belt is sleeved outside the first bushing and the driving shaft. The driving shaft has an exposed operation part. By operating the operation part, the driving shaft drives the belt so that the first bushing drives the cylindrical mold to rotate.

[0023] Preferably, the bottom plate, the middle plate and the top plate have the same shape and size.

[0024] Preferably, the bottom plate and the middle plate have hollow-out grooves.

[0025] Preferably, the support arm includes a fixed part rotatably connected to the base and a rotating part rotatably connected to the fixed part. The rotation axis lines of the fixed part and the rotating part are parallel. The fixed frame is rotatably connected to the rotating part and the rotation axis line is perpendicular to the rotation axis line of the rotating part.

[0026] Preferably, the fixed frame includes a fixed seat connected to the support arm and a connecting frame rotatably arranged on the fixed seat around a third direction.

[0027] Preferably, the cylindrical mold is made of rubber.

[0028] Due to the application of the above technical solutions, the present utility model has the following advantages compared with the prior art:

[0029] The support mechanism of the present utility model can drive the processing platform to rotate, so as to realize the rotation and tilt angle adjustment of the processing platform; the processing platform includes a bottom plate, a middle plate and a top plate. Through the movement of the middle plate and the top plate, precise movement of the processing platform in the front, back, left and right directions can be realized; the cylindrical mold can rotate around its own axis, and 360° engraving of the stent tube can be realized. This auxiliary tooling is suitable for the engraving of implanted stents and is very convenient to use. Description of the Drawings

[0030] To more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings.

[0031] Figure 1 Structural schematic diagram of the auxiliary tooling for Embodiment 1;

[0032] Figure 2 Structural schematic diagram of the auxiliary tooling for Embodiment 1 from another angle;

[0033] Figure 3 Structural schematic diagram of the processing platform of the auxiliary tooling for Embodiment 1 after rotation;

[0034] Figure 4 Structural schematic diagram of the processing platform of the auxiliary tooling for Embodiment 1 from another angle after rotation;

[0035] Figure 5 Exploded view of the structure of the auxiliary tooling for Embodiment 1;

[0036] Figure 6 Structural schematic diagram of the auxiliary tooling for Embodiment 1 from another angle;

[0037] Figure 7 Structural schematic diagram of the top plate for Embodiment 1;

[0038] Figure 8 Structural schematic diagram of the middle plate, the second sliding drive assembly and the second guiding assembly for Embodiment 1;

[0039] Figure 9 Structural schematic diagram of the bottom plate, the first sliding drive assembly and the first guiding assembly for Embodiment 1;

[0040] Wherein: 1. Support mechanism; 11. Base; 12. Fixed part; 13. Rotating part; 14. Fixed frame;

[0041] 2. Processing platform; 21. Bottom plate; 22. Intermediate plate; 23. Top plate; 231. Top plate body; 232. First bushing; 233. Second bushing; 234. Belt; 235. Driving shaft operation part; 236. Driving shaft; 24. Light-emitting plate; 25. First sliding driving assembly; 251. First fixing block; 252. First screw; 253. Second fixing block; 254. First screw operation part; 26. Second sliding driving assembly; 261. Third fixing block; 262. Second screw; 263. Fourth fixing block; 264. Second screw operation part; 27. First guiding assembly; 271. First slide rail; 272. First slider; 28. Second guiding assembly; 281. Second slide rail; 282. Second slider; 29. Cylindrical mold

[0042] x. First direction; y. Second direction. Detailed implementation manners

[0043] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and the description are considered to be exemplary in nature and not restrictive.

[0044] In the description of the embodiments of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "left" and "right" is defined based on Figure 1 the orientation shown. It is only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the embodiments of the present invention.

[0045] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present invention, "a plurality of" means two or more unless otherwise specifically defined.

[0046] In the embodiments of the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may include direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0047] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present utility model. To simplify the disclosure of the embodiments of the present utility model, components and settings of specific examples are described hereinafter. Of course, they are only examples and are not intended to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model may repeat reference numerals and / or reference letters in different examples. Such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between various embodiments and / or settings discussed.

[0048] The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

[0049] Embodiment 1

[0050] An auxiliary tool for implant stent processing, as Figures 1 to 6 shown, includes a support mechanism 1 and a processing platform 2.

[0051] The processing platform 2 includes a bottom plate 21, an intermediate plate 22 and a top plate 23 arranged in sequence. Among them, the intermediate plate 22 is slidably connected to the bottom plate 21 along a first direction x, and the top plate 23 is slidably connected to the intermediate plate 22 along a second direction y, and the first direction x is perpendicular to the second direction y. In this embodiment, the first direction x is the width direction of the processing platform 2, and the second direction y is the length direction of the processing platform 2.

[0052] The intermediate plate 22 and the bottom plate 21 are slidably connected through a first sliding drive assembly 25. As Figure 9As shown, the first sliding drive assembly 25 includes a first fixed block 251, a first screw 252, and a second fixed block 253. Among them, the first fixed block 251 is fixedly connected to the intermediate plate 22, specifically, optionally connected to the middle area of the intermediate plate 22; the second fixed block 253 is fixedly connected to the bottom plate 21, and there are two located on both sides of the first fixed block 251. Of course, only one or more can also be provided; the first screw 252 extends along the first direction x, passes through the first fixed block 251 and the second fixed block 253 and is threadedly connected to both, and at least one end of the first screw 252 extends out of the intermediate plate 22 and / or the bottom plate 21. When the first screw 252 is rotated, the first screw 252 drives the intermediate plate 22 to slide along the first direction x. In this embodiment, both ends of the first screw 252 extend out of the intermediate and bottom plates 21 and are connected with a first screw operation part 254 that is convenient to hold. The first screw operation part 254 is provided with anti-slip ridges. In order to ensure the precise movement of the intermediate plate 22 along the first direction x, a first guiding assembly 27 is further provided between the intermediate plate 22 and the bottom plate 21. The first guiding assembly 27 includes a first sliding rail 271 that is arranged on either the bottom plate 21 or the intermediate plate 22 and extends along the first direction x, and a first sliding block 272 that is arranged on the other and is slidably connected to the first sliding rail 271. Preferably, the first guiding assembly 27 has two groups that are symmetrically arranged along the first direction x.

[0053] As Figure 8 shown, the top plate 23 and the intermediate plate 22 are slidably connected through a second sliding drive assembly 26. The second sliding drive assembly 26 includes a third fixed block 261, a second screw 262, and a fourth fixed block 263. Among them, the third fixed block 261 and the fourth fixed block 263 are respectively fixedly connected to the top plate 23 and the intermediate plate 22. The second screw 262 extends along the second direction and passes through the third fixed block 261 and the fourth fixed block 263 and is threadedly connected to both. At least one end of the second screw 262 extends out of the top plate 23 and / or the intermediate plate 22. When the second screw 262 is rotated, the second screw 262 drives the top plate 23 to slide along the second direction y. In this embodiment, one end of the second screw 262 extends out of the top plate 23 and the intermediate plate 22 and is provided with a second screw operation part 264 that is convenient to hold. The outer surface of the second screw operation part 264 is provided with anti-slip ridges. In order to ensure the precise movement of the intermediate plate 22 along the second direction y, a second guiding assembly 28 is further provided between the intermediate plate 22 and the top plate 23. The second guiding assembly 28 includes a second sliding rail 281 that is arranged on either the intermediate plate 22 or the top plate 23 and extends along the second direction y, and a second sliding block 282 that is arranged on the other and is slidably connected to the second sliding rail 281. Preferably, the second guiding assembly 28 has two groups that are symmetrically arranged along the second direction y.

[0054] As Figure 7As shown in the figure, the top plate 23 includes a top plate body 231, a cylindrical mold 29 rotatably provided on the top plate body 231 around its own axis and used for connecting an implant stent, and a driving assembly configured to drive the cylindrical mold 29 to rotate. Specifically, the top plate 23 further includes a first bushing 232 and a second bushing 233. The first bushing 232 is rotatably provided on the top plate body 231 and connected to the driving assembly. The second bushing 233 is fixedly connected to the top plate body 231. The two ends of the cylindrical mold 29 are detachably connected between the first bushing 232 and the second bushing 233 and the three are coaxial. Controlled by the driving assembly, the first bushing 232 can drive the cylindrical mold 29 to rotate around its axis, so as to realize the 360° self-rotation of the stent, which is convenient for engraving the stent. In this embodiment, the driving assembly includes a belt 234 and a driving shaft 236 located outside the first bushing 232. The belt 234 is sleeved outside the first bushing 232 and the driving shaft 236. The driving shaft 236 has an exposed operation part (i.e., the driving shaft operation part 235). When the driving shaft operation part 235 is rotated, the driving shaft 236 drives the belt 234, so that the first bushing 232 drives the cylindrical mold 29 to rotate. The cylindrical mold 29 is made of rubber. One end of it can be inserted into the first bushing 232 and fixedly connected to the first bushing 232, and the other end is inserted into the second bushing 233 and rotatably connected to the second bushing 233.

[0055] The bottom plate 21, the middle plate 22 and the top plate 23 are made of aluminum plates. The aluminum plates are light and convenient to operate for movement. One or more hollow slots are also provided on the bottom plate 21 and the middle plate 22, which can save materials, further reduce the weight and make the operation more convenient. The bottom plate 21, the middle plate 22 and the top plate 23 are generally rectangular and have the same size and shape. In addition, the processing platform 2 further includes a light-emitting plate 24 installed on the top plate 23. The light-emitting plate 24 can specifically be an LED light-emitting plate 24. The light with a color temperature of 5000k - 6500k passes through the stent gap, so that the operator can cut the redundant parts on the stent according to the stent contour.

[0056] The support mechanism 1 includes a base 11, a support arm rotatably arranged on the base 11, and a fixing bracket 14 rotatably connected to the support arm. The support arm includes a fixing portion 12 rotatably connected to the base 11 and a rotating portion 13 rotatably connected to the fixing portion 12. The rotation axis lines of the fixing portion 12 and the rotating portion 13 are parallel to each other, specifically extending in the left-right direction. The height of the processing platform 2 can be adjusted by rotating the fixing portion 12, and the tilt angle of the processing platform 2 can be adjusted by rotating the rotating portion 13. The fixing bracket 14 is rotatably connected to the rotating portion 13 and the rotation axis line is perpendicular to the rotation axis line of the rotating portion 13. The fixing bracket 14 includes a fixing seat connected to the support arm and a connecting bracket rotatably arranged on the fixing seat around a third direction. The bottom plate 21 is fixedly connected to the connecting bracket and can rotate along with the rotation of the connecting bracket. The third direction is perpendicular to the first direction x and the second direction y pairwise. The support mechanism 1 further includes a locking assembly for fixing the processing platform 2 at a predetermined height and angle. For the specific structure, reference can be made to the prior art, and the present application does not make specific limitations.

[0057] The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly. It is not intended to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. An auxiliary tool for processing an implanted stent, characterized in that: The auxiliary tooling includes A support mechanism (1), the support mechanism (1) comprising a base (11), a support arm rotatably arranged on the base (11), and a fixing frame (14) rotatably arranged on the support arm; A processing platform (2), the processing platform (2) comprising a bottom plate (21), an intermediate plate (22) and a top plate (23) which are arranged in sequence, the bottom plate (21) being fixedly connected to the fixing frame (14), the intermediate plate (22) being slidably connected to the bottom plate (21) along a first direction (x), the top plate (23) being slidably connected to the intermediate plate (22) along a second direction (y), the first direction (x) being perpendicular to the second direction (y), the top plate (23) comprising a top plate body (231), a cylindrical mold (29) rotatably arranged on the top plate body (231) around its own axis and used for connecting to an implanted stent, and a driving component configured to drive the cylindrical mold (29) to rotate.

2. The auxiliary tooling for implant stent processing according to claim 1, characterized in that: The processing platform (2) further comprises a first sliding drive assembly (25) arranged between the bottom plate (21) and the middle plate (22) and a second sliding drive assembly (26) arranged between the middle plate (22) and the top plate (23), wherein the first sliding drive assembly (25) comprises a first fixed block (251), a first screw rod (252) and a second fixed block (253), wherein the first fixed block (251) and the second fixed block (253) are respectively fixedly connected to the middle plate (22) and the bottom plate (21), the first screw rod (252) extends along a first direction (x) and passes through the first fixed block (251) and the second fixed block (253) and is threadedly connected to the two, at least one end of the first screw rod (252) protrudes out of the middle plate (22) and / or the bottom plate (21), and when the first screw rod (252) is rotated, the first screw rod (252) drives the middle plate (22) to slide along the first direction (x); The second sliding drive assembly (26) comprises a third fixed block (261), a second screw rod (262) and a fourth fixed block (263), wherein the third fixed block (261) and the fourth fixed block (263) are fixedly connected to the top plate (23) and the middle plate (22) respectively, the second screw rod (262) extends along the second direction (y) and passes through the third fixed block (261) and the fourth fixed block (263) and is threadedly connected to the two, at least one end of the second screw rod (262) protrudes from the top plate (23) and / or the middle plate (22), and when the second screw rod (262) is rotated, the second screw rod (262) drives the top plate (23) to slide along the second direction (y).

3. The auxiliary tooling for implant stent processing according to claim 1 or 2, characterized in that: The processing platform (2) further comprises a first guide assembly (27) arranged between the bottom plate (21) and the middle plate (22) and a second guide assembly (28) arranged between the middle plate (22) and the top plate (23), wherein the first guide assembly (27) comprises a first slide rail (271) fixedly connected to either the bottom plate (21) or the middle plate (22) and extending along a first direction (x), and a first slider (272) fixedly connected to the other and slidably connected to the first slide rail (271); The second guide assembly (28) includes a second slide rail (281) fixedly connected to either the middle plate (22) or the top plate (23) and extending along a second direction (y), and a second slider (282) fixedly connected to the other and slidably connected to the second slide rail (281).

4. The auxiliary tooling for implant stent processing according to claim 3, characterized in that: The first guide assembly (27) has two groups symmetrically arranged along the first direction (x); and / or, The second guide assembly (28) has two groups symmetrically arranged along the second direction (y).

5. The auxiliary tooling for implant stent processing according to claim 1, characterized in that: The processing platform (2) also includes a light-emitting panel (24) mounted on the top plate (23).

6. The auxiliary tooling for implant stent processing according to claim 1, characterized in that: The top plate (23) also includes a first shaft sleeve (232) and a second shaft sleeve (233), wherein the first shaft sleeve (232) is rotatably disposed on the top plate body (231) and connected to the driving assembly, and the second shaft sleeve (233) is fixedly connected to the top plate body (231), and the two ends of the cylindrical mold (29) are detachably connected between the first shaft sleeve (232) and the second shaft sleeve (233), and the three are coaxial.

7. The auxiliary tooling for implant stent processing according to claim 6, characterized in that: The driving assembly includes a belt (234) and a driving shaft (236) located outside the first sleeve (232). The belt (234) is sleeved on the outside of the first sleeve (232) and the driving shaft (236). The driving shaft (236) has an exposed operating part. When the operating part is operated, the driving shaft (236) drives the belt (234) to rotate the first sleeve (232) with the cylindrical mold (29).

8. The auxiliary tooling for implant stent processing according to claim 1, characterized in that: The bottom plate (21), the middle plate (22) and the top plate (23) are of the same shape and size.

9. The auxiliary tooling for implant stent processing according to claim 1, characterized in that: The bottom plate (21) and the middle plate (22) have hollow grooves.

10. The auxiliary tooling for implant stent processing according to claim 1, characterized in that: The support arm comprises a fixed portion (12) rotatably connected to the base (11) and a rotating portion (13) rotatably connected to the fixed portion (12), the rotation axes of the fixed portion (12) and the rotating portion (13) are parallel, and the fixed frame (14) is rotatably connected to the rotating portion (13) and the rotation axis is perpendicular to the rotation axis of the rotating portion (13); and / or, The fixing frame (14) comprises a fixing seat connected to the supporting arm and a connecting frame arranged on the fixing seat so as to be rotatable about a third direction.

Images