Hyperelasticity detection device for memory alloy bone fracture plate

By introducing a limiting component and an electric push rod locking structure into the superelasticity testing device for shape memory alloy bone plates, the problem of bone plates rebounding and splashing after testing was solved, thus achieving a safe and reliable testing process.

CN223581594UActive Publication Date: 2025-11-21SHANGHAI XINCHANG MEMORY ALLOY TECH
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Patent Information

Application Number
CN202423027144.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-11-21
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

Existing hyperelastic testing devices do not fully consider the protective limiting structure, which may cause the shape memory alloy bone plate to bounce and splash after the test, affecting the safety of the test.

Method used

A device comprising a fixing plate, a limiting assembly, and a support rod is designed. The limiting plate and the return spring in the limiting assembly are used to protect and limit the connection of the abutment plate after the elasticity test is completed. The device is tightly connected by an electric push rod and a locking structure.

Benefits of technology

It effectively prevents the bone plate from rebounding and splashing after the test, improving the safety and convenience of the test. The structure is simple and easy to use, and it is suitable for long-term use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a memory alloy bone fracture plate hyperelasticity detection device, which relates to the memory alloy bone fracture plate field, and comprises a fixing plate, a spacing assembly and a support rod, four corners of the bottom of the fixing plate are fixedly connected with support columns, and two sides of the upper part of the fixing plate are fixedly connected with support plates. According to the hyperelasticity detection device for the memory alloy bone fracture plate, by arranging the limiting assembly and the clamping strip, in the using process of the hyperelasticity detection device for the memory alloy bone fracture plate, the surface of the bone fracture plate is protected and limited, and the situation that after hyperelasticity detection is finished, the bone fracture plate bounces and splashes is avoided; the memory alloy bone fracture plate hyperelasticity detection device has the advantages that the memory alloy bone fracture plate hyperelasticity detection device is simple in structure, the memory alloy bone fracture plate hyperelasticity detection safety is guaranteed, a worker can conveniently replace the pressing part, the structure is compact, loosening in the subsequent use process is avoided, long-term use of the hyperelasticity detection device is guaranteed, and the worker can conveniently use the memory alloy bone fracture plate hyperelasticity detection device.
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Description

TECHNICAL FIELD

[0001] The utility model relates to memory alloy bone fracture plate field, concretely to a kind of memory alloy bone fracture plate superelasticity detection device. BACKGROUND

[0002] Memory alloy bone fracture plate is a kind of special medical instrument, mainly used for bone repair and fixation, memory alloy bone fracture plate utilizes the characteristics of memory alloy, can restore its original shape at specific temperature, to play an important role in fracture fixation, in the production process of memory alloy bone fracture plate, staff can utilize superelasticity detection device to memory alloy bone fracture plate carries out superelasticity detection.

[0003] However, the current superelasticity detection device still has deficiencies, such as the application number 202022176720.7, a bone plate bending test tool, which is not fully considered in the protection limiting structure of the superelasticity detection device, in the process of using the memory alloy bone fracture plate superelasticity detection device, if the superelasticity detection device is not fully considered in the protection limiting structure, the bone plate may rebound after superelasticity detection, thereby splashing, seriously affecting the safety of superelasticity detection, and it is inconvenient for staff to use the memory alloy bone fracture plate superelasticity detection device.

[0004] Therefore, it is necessary to improve this defect, the utility model is researched and improved according to the existing structure and deficiency, and a memory alloy bone fracture plate superelasticity detection device is provided. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of memory alloy bone fracture plate superelasticity detection device to solve the problems raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of memory alloy bone fracture plate superelasticity detection device, including fixed plate, limiting component and support rod, the bottom four corners of the fixed plate are fixedly connected with support column, and the upper two sides of fixed plate are fixedly connected with support plate, and the upper two sides of support plate are provided with support piece, the limiting component is arranged above support piece, and the limiting component includes movable frame, limiting piece, limiting plate, clamping piece, return spring, fixed clamping piece, lifting piece, fixed piece and limiting clamping piece, the support rod is fixedly connected at the top four corners of fixed plate, and the top end of support rod is fixedly connected with fixed top plate, and the two sides of fixed top plate are fixedly connected with electric push rod, and the bottom end of electric push rod is provided with pressing piece.

[0007] Further, the side of the support plate is provided with a driving motor, and the output shaft of the driving motor is fixedly connected with a double screw through a shaft coupling, and the double screw is rotatably connected inside the support plate.

[0008] Further, the both ends of the bidirectional screw are rotatably connected with clamping sliding blocks, the clamping sliding blocks are slidably connected to the inner side of the supporting plate, and the top of the clamping sliding blocks is welded with supporting members.

[0009] Further, the movable frame is rotatably connected to the top of the supporting member through a damping rotating shaft, the inner side of the movable frame is clampingly connected with a limiting member, and the bottom end of the limiting member penetrates through the movable frame and is welded with a limiting plate.

[0010] Further, the side of the limiting plate is welded with a clamping member, the limiting plate is slidably connected to the inner side of the movable frame through the clamping member, the end of the limiting member is provided with a return spring outside, and the return spring is arranged on one side of the limiting plate.

[0011] Further, the side of the movable frame is welded with a fixed clamping member, the inner side of the fixed clamping member is slidably connected with a lifting member, and the bottom end of the lifting member is provided with a fixed member on one side.

[0012] Further, the fixed member is welded to the side of the supporting member, the inner side of the fixed member is slidably connected with a limiting clamping member, and the limiting clamping member is clampingly connected with the bottom end of the lifting member on one side.

[0013] Further, the top of the pressing member is welded with a clamping strip, the pressing member is clampingly connected with the bottom of the electric push rod through the clamping strip, the front side of the clamping strip is provided with a blocking member, and the blocking member is fixedly connected with the bottom end of the electric push rod through bolts.

[0014] The utility model provides a kind of memory alloy bone plate superelasticity detection device, with following beneficial effects:

[0015] 1, the utility model sets up limiting component, in the process of using memory alloy bone plate superelasticity detection device, rotating to movable frame, the bottom end of limiting clamping member and lifting member is clamped, at the same time, under the elastic force of return spring, the surface of bone plate is protected and positioned by limiting plate, avoid splashing after bone plate rebound after superelasticity detection, guarantee the security of superelasticity detection, guarantee the smooth progress of bone plate superelasticity detection, simple structure, convenient for staff to use memory alloy bone plate superelasticity detection device.

[0016] 2, The utility model discloses a clamping strip is set, in the process of using memory alloy bone fracture plate superelasticity detection device, the clamping strip of pressing together piece top welding is connected with the bottom of electric push rod and utilizes bolt to be fixedly connected with the bottom end of electric push rod, simple structure, and the staff can replace pressing together piece, guarantee superelasticity detection device's long -term use, and the structure is close, avoids the situation of loosening in the subsequent use process, and the staff is convenient to the use of memory alloy bone fracture plate superelasticity detection device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the appearance three-dimensional structure schematic diagram of a memory alloy bone fracture plate superelasticity detection device of the utility model;

[0018] Figure 2 It is the support plate - limit subassembly three -dimensional sectional structure local development schematic diagram of a memory alloy bone fracture plate superelasticity detection device of the utility model;

[0019] Figure 3 It is the support plate - limit subassembly three -dimensional sectional structure local development schematic diagram of a memory alloy bone fracture plate superelasticity detection device of the utility model; Figure 2 It is the structure enlarged schematic diagram of A place of the utility model;

[0020] Figure 4 It is the electric push rod - block piece three -dimensional structure split schematic diagram of a memory alloy bone fracture plate superelasticity detection device of the utility model.

[0021] In the drawing: 1, fixed plate;2, support column;3, support plate;4, support piece;5, drive motor;6, bidirectional screw;7, clamping sliding block;8, limit subassembly;801, movable frame;802, limit piece;803, limit plate;804, clamping piece;805, return spring;806, fixed clamping piece;807, lifting piece;808, fixed piece;809, limit clamping piece;9, support rod;10, fixed top plate;11, electric push rod;12, pressing together piece;13, clamping strip;14, block piece. DETAILED DESCRIPTION

[0022] The embodiment of the utility model is further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0023] As Figures 1-3As shown, a kind of memory alloy bone plate superelasticity detection device, including fixed plate 1, limiting component 8 and support rod 9, the bottom four corners of fixed plate 1 are fixedly connected with support column 2, and the top two sides of fixed plate 1 are fixedly connected with support plate 3, and the top two sides of support plate 3 are provided with support piece 4, the side of support plate 3 is provided with drive motor 5, and the output shaft of drive motor 5 is fixedly connected with bidirectional screw 6 by coupling, and bidirectional screw 6 is rotatably connected in the inside of support plate 3, the outer side of both ends of bidirectional screw 6 is rotatably connected with clamping sliding block 7, and clamping sliding block 7 is clamped and slidably connected to the inner side of support plate 3, and the top of clamping sliding block 7 is welded with support piece 4, limiting component 8 is arranged above support piece 4, and limiting component 8 includes movable frame 801, limiting piece 802, limiting plate 803, clamping piece 804, reset spring 805, fixed clamping piece 806, lifting piece 807, fixed piece 808 and limiting clamping piece 809, movable frame 801 is rotatably connected above support piece 4 by damping pivot, and the inner side of movable frame 801 is clamped and connected with limiting piece 802, and the bottom end of limiting piece 802 penetrates movable frame 801 and is welded with limiting plate 803, the side of limiting plate 803 is welded with clamping piece 804, and limiting plate 803 is clamped and slidably connected in the inner side of movable frame 801 by clamping piece 804, and the end outer side of limiting piece 802 is provided with reset spring 805, and reset spring 805 is arranged on the side of limiting plate 803, the side of movable frame 801 is welded with fixed clamping piece 806, and the inner side of fixed clamping piece 806 is clamped and slidably connected with lifting piece 807, and the bottom end side of lifting piece 807 is provided with fixed piece 808, fixed piece 808 is welded on the side of support piece 4, and the inner side of fixed piece 808 is clamped and slidably connected with limiting clamping piece 809, and limiting clamping piece 809 is clamped and connected with the bottom end side of lifting piece 807;

[0024] The specific operation is as follows: the staff adjusts the distance between the supporting pieces 4 according to the actual size of the bone plate, drives the bidirectional screw rod 6 to rotate in the inside of the supporting plate 3 by the driving motor 5, makes the clamping sliding blocks 7 connected on the outside of the two ends of the bidirectional screw rod 6 gradually clamped and slide in the inside of the supporting plate 3, so that the distance between the supporting pieces 4 welded on the top of the clamping sliding blocks 7 is changed, then the bone plate is placed on the top of the supporting pieces 4, and the bone plate is limited by the limiting assembly 8, the movable frame 801 is gradually rotated above the supporting rod 9 by rotating the movable frame 801, the lifting piece 807 connected with the inside of the fixed clamping piece 806 is gradually moved to one side of the fixed piece 808, then the limiting clamping piece 809 connected with the inside of the fixed piece 808 is moved, the limiting clamping piece 809 is clamped with the bottom side of the lifting piece 807, so that the movable frame 801 is fixed above the supporting rod 9, at the same time, the limiting plate 803 is clamped and slid in the inside of the movable frame 801 under the limiting of the clamping piece 804, the limiting plate 803 is in contact with the upper surface of the bone plate under the elastic force of the reset spring 805, and the limiting plate 803 protects and limits the surface of the bone plate, the structure is simple, and the staff can use the super-elasticity detection device for the memory alloy bone plate conveniently.

[0025] As shown in Figure 1 and Figure 4 The supporting rod 9 is fixedly connected to the top four corners of the fixed plate 1, the top end of the supporting rod 9 is fixedly connected with the fixed top plate 10, the two sides of the fixed top plate 10 are fixedly connected with the electric push rod 11, the bottom end of the electric push rod 11 is provided with the pressing piece 12, the top of the pressing piece 12 is welded with the clamping strip 13, the pressing piece 12 is clamped and connected with the bottom of the electric push rod 11 through the clamping strip 13, and the front side of the clamping strip 13 is provided with the blocking piece 14, and the blocking piece 14 is fixedly connected with the bottom end of the electric push rod 11 through bolts.

[0026] The specific operation is as follows: after the bone plate is protected and limited, the staff drives the pressing piece 12 to move downward by the electric push rod 11, the middle section of the bone plate is pressed downward by the pressing piece 12, so that the super-elasticity of the bone plate is detected, in addition, the staff can replace the pressing piece 12, the clamping strip 13 welded on the top of the pressing piece 12 is clamped and connected with the bottom of the electric push rod 11, the blocking piece 14 is clamped on the front side of the bottom of the electric push rod 11, and the blocking piece 14 is fixedly connected with the bottom end of the electric push rod 11 through bolts, the structure is compact, and the staff can use the super-elasticity detection device for the memory alloy bone plate conveniently.

[0027] In summary, the super-elasticity detection device for the memory alloy bone plate can adjust the distance between the supporting pieces 4 according to the actual size of the bone plate, drives the bidirectional screw rod 6 to rotate in the inside of the supporting plate 3 by the driving motor 5, makes the clamping sliding blocks 7 connected on the outside of the two ends of the bidirectional screw rod 6 gradually clamped and slide in the inside of the supporting plate 3, so that the distance between the supporting pieces 4 welded on the top of the clamping sliding blocks 7 is changed, then the bone plate is placed on the top of the supporting pieces 4, and the bone plate is limited by the limiting assembly 8, the movable frame 801 is gradually rotated above the supporting rod 9 by rotating the movable frame 801, the lifting piece 807 connected with the inside of the fixed clamping piece 806 is gradually moved to one side of the fixed piece 808, then the limiting clamping piece 809 connected with the inside of the fixed piece 808 is moved, the limiting clamping piece 809 is clamped with the bottom side of the lifting piece 807, so that the movable frame 801 is fixed above the supporting rod 9, at the same time, the limiting plate 803 is clamped and slid in the inside of the movable frame 801 under the limiting of the clamping piece 804, the limiting plate 803 is in contact with the upper surface of the bone plate under the elastic force of the reset spring 805, and the limiting plate 803 protects and limits the surface of the bone plate, the structure is simple, and the staff can use the super-elasticity detection device for the memory alloy bone plate conveniently. Figures 1-4In the structure shown in the middle, during the use of the super-elasticity detection device for memory alloy bone plate, first, the staff adjusts the distance between the supporting pieces 4 according to the actual size of the bone plate, drives the bidirectional screw rod 6 to rotate in the inside of the supporting plate 3 by the driving motor 5, makes the clamping sliding blocks 7 on the both ends of the bidirectional screw rod 6 rotate and connect outside, gradually clamps and slides in the both sides of the supporting plate 3, so that the distance between the supporting pieces 4 welded on the top of the clamping sliding blocks 7 is changed, then the bone plate is placed on the top of the supporting pieces 4, and the bone plate is limited by the limiting assembly 8, the movable frame 801 is gradually rotated above the supporting rod 9 by rotating the movable frame 801, the lifting piece 807 inside the fixed clamping piece 806 is gradually moved to one side of the fixed piece 808, then the limiting clamping piece 809 inside the fixed piece 808 is moved, the limiting clamping piece 809 is clamped with the bottom end of the lifting piece 807, so that the movable frame 801 is fixed above the supporting rod 9, at the same time, the limiting plate 803 is clamped and slid inside the movable frame 801 under the limiting of the clamping piece 804, under the elastic force of the return spring 805, the limiting plate 803 is in contact with the upper surface of the bone plate, and the limiting plate 803 protects and limits the surface of the bone plate, then the staff drives the pressing piece 12 to move down by the electric push rod 11, the pressing piece 12 presses the middle segment of the bone plate downward, so as to detect the super-elasticity of the bone plate, in addition, the staff can replace the pressing piece 12, the clamping strip 13 welded on the top of the pressing piece 12 is clamped and connected with the bottom of the electric push rod 11, the blocking piece 14 is clamped on the front side of the bottom of the electric push rod 11, and the blocking piece 14 is fixedly connected with the bottom end of the electric push rod 11 by the bolt, the structure is compact, and the staff can use the super-elasticity detection device for memory alloy bone plate conveniently.

[0028] The embodiments of the present application are given for example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations are obvious to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical application of the present application, and to enable those skilled in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A memory alloy bone plate super-elasticity detection device, comprising a fixing plate (1), a limiting assembly (8) and a supporting rod (9), characterized in that, The bottom four corners of the fixed plate (1) are fixedly connected with support columns (2), the upper two sides of the fixed plate (1) are fixedly connected with support plates (3), the upper two sides of the support plates (3) are provided with support pieces (4), the limiting assembly (8) is arranged above the support pieces (4), the limiting assembly (8) comprises a movable frame (801), a limiting piece (802), a limiting plate (803), a clamping piece (804), a return spring (805), a fixed clamping piece (806), a lifting piece (807), a fixed piece (808) and a limiting clamping piece (809), the support rods (9) are fixedly connected with the top four corners of the fixed plate (1), the top ends of the support rods (9) are fixedly connected with fixed top plates (10), the two sides of the fixed top plates (10) are fixedly connected with electric push rods (11), and the bottom ends of the electric push rods (11) are provided with pressing pieces (12), the movable frame (801) is rotatably connected above the support pieces (4) through a damping rotating shaft, the inner side of the movable frame (801) is clampingly connected with the limiting piece (802), the bottom end of the limiting piece (802) penetrates through the movable frame (801) and is welded with the limiting plate (803), the side surface of the limiting plate (803) is welded with the clamping piece (804), the limiting plate (803) is clampingly and slidingly connected to the inner side of the movable frame (801) through the clamping piece (804), the outer side of the end portion of the limiting piece (802) is provided with the return spring (805), the return spring (805) is arranged on one side of the limiting plate (803), the side surface of the movable frame (801) is welded with the fixed clamping piece (806), the inner side of the fixed clamping piece (806) is clampingly and slidingly connected with the lifting piece (807), the bottom end of the lifting piece (807) is provided with the fixed piece (808) on one side, the fixed piece (808) is welded on the side surface of the support piece (4), the inner side of the fixed piece (808) is clampingly and slidingly connected with the limiting clamping piece (809), and the limiting clamping piece (809) is clampingly connected with the bottom end of the lifting piece (807) on one side.

2. The device according to claim 1, wherein, One side of the support plate (3) is provided with a driving motor (5), an output shaft of the driving motor (5) is fixedly connected with a bidirectional screw rod (6) through a shaft coupling, and the bidirectional screw rod (6) is rotatably connected in the support plate (3).

3. The device of claim 2, wherein the device is configured to detect the superelasticity of the shape memory alloy bone plate by measuring the electrical resistance of the shape memory alloy bone plate. The outer sides of the two ends of the bidirectional screw rod (6) are rotatably connected with clamping sliding blocks (7), the clamping sliding blocks (7) are clampingly and slidingly connected in the support plate (3), and the top of each clamping sliding block (7) is welded with a support piece (4).

4. The device according to claim 1, wherein the device is characterized by, The top of the pressing piece (12) is welded with a clamping strip (13), the pressing piece (12) is clampingly connected with the bottom of the electric push rod (11) through the clamping strip (13), the front side of the clamping strip (13) is provided with a blocking piece (14), and the blocking piece (14) is fixedly connected with the bottom end of the electric push rod (11) through bolts.

Citation Information

Patent Citations

  • Bone fracture plate bending test tool

    CN213364470U