An auxiliary assembly tool for a medical instrument

Abstract

This utility model relates to the field of medical device technology, and in particular to an auxiliary assembly fixture for medical devices. It includes a clamping base plate, a rotating fixing seat at the head end of the clamping base plate, and a support seat at the tail end of the clamping base plate. The upper surface of the support seat has an arc-shaped groove for accommodating one end of the device. The other end of the device is connected to the rotating fixing seat, allowing the rotating fixing seat to drive the device to rotate within the arc-shaped groove. The rotating fixing seat includes a positioning block and a rotating head. The positioning block is fixedly mounted on the clamping base plate and has mounting holes. The rotating head has mounting blocks that rotatably engage with the mounting holes. The device is connected to the rotating head, and the rotating head and positioning block are connected by positioning pins. The rotating head has several pin holes circumferentially arranged to match the positioning pins. This auxiliary assembly fixture provides stable support for parts through specific tooling and uses the rotating head to drive the parts to rotate for multi-directional pressing, effectively improving assembly efficiency.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to an auxiliary assembly tooling for medical devices. Background Technology

[0002] In knee replacement surgery, the medical devices used are typically assembled from multiple precision parts. Currently, the assembly of these parts mainly relies on manual operation by operators, lacking specialized tooling fixtures. Manual assembly has the following problems: assembly accuracy is difficult to guarantee, and differences in feel can easily lead to assembly deviations; assembly efficiency is low, failing to meet the needs of mass production. Therefore, there is an urgent need for a specialized assembly fixture that can improve assembly accuracy, efficiency, and versatility. Utility Model Content

[0003] To address the problems of time-consuming, labor-intensive, and inefficient manual assembly, this invention provides an auxiliary assembly fixture for medical devices. The fixture provides stable support for the parts and uses a rotating head to drive the parts to rotate for multi-directional pressing, effectively improving assembly efficiency.

[0004] This invention provides an auxiliary assembly fixture for medical devices, including a clamping base plate. A rotating fixing seat is located at the head end of the clamping base plate, and a support seat is located at the tail end. The upper surface of the support seat has an arc-shaped groove for accommodating one end of the device. The other end of the device is connected to the rotating fixing seat, allowing the rotating fixing seat to drive the device to rotate within the arc-shaped groove. The device is supported by the rotating seats and support seats at both ends, and a rotating head can be used to drive the device to rotate, facilitating multi-directional pressing.

[0005] Furthermore, the rotating fixture includes a positioning block and a rotating head. The positioning block is fixedly mounted on the fixture base plate and has a mounting hole. The rotating head has a mounting block that rotatably engages with the mounting hole, and the instrument is connected to the rotating head. Through the engagement of the mounting block and the mounting hole, the rotating head rotates relative to the positioning block.

[0006] Furthermore, the rotating head and the positioning block are connected by positioning pins. The rotating head has several pin holes circumferentially arranged to match the positioning pins. The included angle between adjacent pin holes is 90°, and the fixing pins in different positions of the adapter are press-fitted.

[0007] Furthermore, the rotating head is equipped with graduation marks, which correspond to several pin holes. The graduation marks can be set according to the pressing requirements of instruments of different specifications.

[0008] Furthermore, the instrument and the rotating head are fixed by a plug-in connection, and the rotating head is provided with a protrusion that mates with the waist-shaped groove at the end of the instrument. There are two sets of waist-shaped grooves and protrusions. When the protrusion is inserted into the waist-shaped groove at the end of the instrument, the fixation of one end of the instrument is completed.

[0009] Furthermore, the support base includes an upper support block and a lower support block. The lower support block is fixedly connected to the fixture base plate, while the upper and lower support blocks are detachably connected. An arc-shaped groove is provided on the upper support block. The arc-shaped groove provides stable support for the other end of the instrument.

[0010] Furthermore, the bottom of the upper support block is provided with a plug-in groove, and the top of the lower support block is provided with a plug-in block that matches the plug-in groove. The plug-in block and the plug-in groove are T-shaped. This provides good connection stability and facilitates quick assembly and disassembly.

[0011] Furthermore, gaskets are provided between the lower support block and the clamp base plate, and between the rotating fixing seat and the clamp base plate. These not only strengthen the connection but also provide a certain degree of cushioning.

[0012] The beneficial effects of this utility model are as follows: This utility model provides an auxiliary assembly fixture for medical devices. According to different models of parts, multiple parts can be assembled using a single fixture, which improves versatility. A rotatable head is added to facilitate pressing operations from multiple directions, effectively improving installation efficiency. Attached Figure Description

[0013] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Figure 1 It is an assembly diagram of auxiliary assembly tooling; Figure 2 This is a first-angle disassembly diagram of the auxiliary assembly tooling; Figure 3 This is a second-angle disassembly diagram of the auxiliary assembly tooling; In the figure: 1. Fixture base plate, 2. Positioning block, 21. Mounting hole, 3. Rotating head, 31. Mounting block, 32. Pin hole, 33. Protrusion, 4. Positioning pin, 5. Instrument, 51. Waist-shaped groove, 6. Upper support block, 61. Arc groove, 62. Insertion groove, 7. Lower support block, 71. Insertion block. Detailed Implementation

[0014] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0015] To improve the assembly accuracy and efficiency of medical devices, an auxiliary assembly fixture for medical devices is designed, such as... Figure 1As shown, the fixture includes a clamping base plate 1, with a rotating fixing seat at its head end and a support seat at its tail end. The upper surface of the support seat has an arc-shaped groove 61 that accommodates one end of an instrument 5. The other end of the instrument 5 is connected to the rotating fixing seat, allowing the rotating fixing seat to rotate the instrument 5 within the arc-shaped groove 61. The instrument 5 is stably placed using the fixing seats and support seats at both ends, and the rotating head 3 drives the instrument 5 to rotate within the arc-shaped groove 61, enabling multi-angle pressing and improving assembly accuracy and efficiency. The modular design allows for the universal assembly of multiple parts, significantly reducing tooling development costs and making it suitable for the assembly needs of knee replacement surgery instruments.

[0016] like Figure 2 and 3 As shown, specifically, the rotating fixing base includes a positioning block 2 and a rotating head 3. The positioning block 2 is fixedly mounted on the fixture base plate 1 by pins or bolts. The positioning block 2 has a mounting hole 21. The rotating head 3 is provided with a mounting block 31 that rotatably engages with the mounting hole 21. The instrument 5 is connected to the rotating head 3. The mounting block 31 is rotatably mounted in the mounting hole 21, so that the rotating head 3 can drive the instrument 5 to rotate relative to the positioning block 2, thereby realizing multi-directional pressing operation.

[0017] To facilitate the pressing operation of fixing pins in multiple positions, the rotating head 3 and the positioning block 2 are connected by positioning pins 4. The rotating head 3 has several pin holes 32 that are adapted to the positioning pins 4 in the circumferential direction. The included angle between adjacent pin holes 32 is 90°. Each time the rotating head 3 drives the instrument 5 to rotate through a hole, it rotates 90°, which facilitates intuitive operation.

[0018] Precise scale markings can also be set on the rotating head 3, with each scale marking corresponding to a number of pin holes 32, and each scale corresponding to a pin hole 32, to adapt to instruments 5 with different pressing requirements and improve versatility.

[0019] For ease of assembly and disassembly, the instrument 5 and the rotating head 3 are fixed by a plug-in connection. The rotating head 3 is provided with a protrusion 33 that mates with the waist-shaped groove 51 at the end of the instrument 5. The waist-shaped groove 51 at one end of the instrument 5 is clamped onto the rotating head, and the two protrusions 33 are used for initial positioning. The other end of the instrument 5 is placed in the arc-shaped groove 61 of the support base, the sub-component is inserted, and then the fixing pin is pressed in to complete the initial assembly. The positioning pin 4 used to fix the rotating head 3 and the positioning block 2 is released. The rotating head 3 is rotated through a certain angle in the mounting hole 21 of the positioning block 2, and the rotating head 3 and the positioning block 2 are fixed again with the positioning pin 4. The fixing pin in the other direction is pressed in to complete the final assembly.

[0020] like Figure 2 and 3As shown, to facilitate stable support of the end of the instrument 5, the support base specifically includes an upper support block 6 and a lower support block 7. The lower support block 7 is fixedly connected to the clamp base plate 1 by pins or screws. The upper support block 6 and the lower support block 7 are detachably connected, and an arc-shaped groove 61 is provided on the upper support block 6. The inner diameter of the arc-shaped groove 61 of the upper support block 6 can be changed according to the actual instrument 5 to be operated.

[0021] The upper support block 6 has a insertion slot 62 at its bottom, and the lower support block 7 has an insertion block 71 at its top that matches the insertion slot 62. The insertion block 71 and the insertion slot 62 are T-shaped. Through the cooperation of the insertion block 71 and the insertion slot 62, the upper support block 6 and the lower support block 7 can achieve quick positioning and stable connection, while also facilitating disassembly and replacement.

[0022] To enhance connection stability, gaskets are provided between the lower support block 7 and the clamp base plate 1, and between the rotating fixing seat and the clamp base plate 1. The gaskets can effectively enhance the connection stability between the components.

[0023] The above description is illustrative only and not restrictive of this utility model. Those skilled in the art will understand that many modifications, variations or equivalents can be made without departing from the spirit and scope defined by the appended claims, and all such modifications, variations or equivalents will fall within the protection scope of this utility model.

Claims

1. An auxiliary assembly tool for a medical instrument, characterized by: The fixture includes a fixture base plate (1), a rotating fixing seat is provided at the head end of the fixture base plate (1), a support seat is provided at the tail end of the fixture base plate (1), and an arc groove (61) is provided on the upper surface of the support seat to accommodate one end of the instrument (5). The other end of the instrument (5) is connected to the rotating fixing seat, so that the rotating fixing seat can drive the instrument (5) to rotate in the arc groove (61).

2. An assembly aid for a medical device according to claim 1, wherein: The rotating fixed base includes a positioning block (2) and a rotating head (3). The positioning block (2) is fixedly mounted on the fixture base plate (1). The positioning block (2) has an installation hole (21). The rotating head (3) has an installation block (31) that rotates with the installation hole (21). The instrument (5) is connected to the rotating head (3).

3. An assembly aid for a medical device according to claim 2, wherein: The rotating head (3) and the positioning block (2) are connected by a positioning pin (4). The rotating head (3) has several pin holes (32) that are adapted to the positioning pin (4) in the circumferential direction.

4. An assembly aid for a medical device according to claim 3, wherein: The rotating head (3) is provided with scale markings, which correspond to several pin holes (32).

5. An assembly aid for a medical device according to claim 2, wherein: The instrument (5) and the rotating head (3) are fixed by a plug-in connection. The rotating head (3) is provided with a protrusion (33) that cooperates with the waist-shaped groove (51) at the end of the instrument (5).

6. An assembly aid for a medical device according to claim 1, wherein: The support base includes an upper support block (6) and a lower support block (7). The lower support block (7) is fixedly connected to the fixture base plate (1). The upper support block (6) and the lower support block (7) are detachably connected. The arc groove (61) is provided on the upper support block (6).

7. An assembly aid for a medical device according to claim 6, wherein: The bottom of the upper support block (6) is provided with a plug groove (62), and the top of the lower support block (7) is provided with a plug block (71) that is compatible with the plug groove (62). The plug block (71) and the plug groove (62) are T-shaped.

8. An assembly aid for a medical device according to claim 6, wherein: Gaskets are provided between the lower support block (7) and the clamp base plate (1), and between the rotating fixing seat and the clamp base plate (1).

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