3D printing medical imaging fixing clamp

Abstract

The utility model belongs to the technical field of mechanical disassembling and assembling tools, and particularly relates to a 3D printing medical imaging fixing clamp which comprises a first clamp and a second clamp which are distributed up and down, and the first clamp and the second clamp are the same in structure and are arranged in a mirror image mode. The first clamp and the second clamp are each provided with two bolts distributed front and back and are in threaded connection with two screws distributed left and right, and two supporting rods distributed left and right are jointly and fixedly connected between the first clamp and the second clamp through the four screws. The customized medical imaging fixing clamp based on 3D printing can be accurately designed according to the shape of a sample, and is made of an anti-artifact and corrosion-resistant material, so that the clamp can be suitable for CT, MRI, X-ray and other imaging experiments of various hard biological samples, and a stable, accurate and artifact-free fixing effect is provided; the device can be repeatedly used, and the experiment cost is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical disassembly and assembly tools, specifically a 3D printed medical imaging fixation fixture. Background Art

[0002] Hard biological samples (such as bone segments, teeth, and hard soft tissues) typically require highly precise fixation in medical imaging experiments to ensure the stability and clarity of the images. Common medical imaging methods include CT scans, MRI scans, and X-ray scans, all of which have strict requirements on the stability and anti-artifact capabilities of the samples.

[0003] However, existing clamps are typically made of metal or standard plastic materials, which have the following drawbacks:

[0004] 1. Metal clamps: Metal clamps have high strength, but they can produce serious artifacts in CT and MRI scans, affecting image clarity and even obscuring key structures of the sample;

[0005] 2. Plastic material fixtures: Although standard plastic materials (such as ABS and polypropylene) do not produce artifacts, their strength and corrosion resistance are poor, making it difficult to meet the needs of long-term experiments.

[0006] Therefore, a 3D-printed medical imaging fixation fixture is proposed to address the above problems. Utility Model Content

[0007] (a) Technical problems to be solved

[0008] To address the shortcomings of existing technologies, this invention provides a 3D-printed medical imaging fixation fixture to solve the problems mentioned in the background section.

[0009] (2) Technical solution

[0010] To achieve the above objectives, the present invention provides the following technical solution: a 3D printed medical imaging fixation fixture, comprising a first fixture and a second fixture distributed vertically, the first fixture and the second fixture having the same structure and being mirrored, each of the first fixture and the second fixture being provided with two bolts distributed front and back and threadedly connected with two screws distributed left and right, the first fixture and the second fixture being fixedly connected by four screws with two support rods distributed left and right.

[0011] The first clamp, the second clamp, the four bolts and the four screws are all made of light-cured resin material, and the two support rods are both made of nylon 2 material.

[0012] Preferably, the first clamp includes two clamping blocks distributed on the left and right, and the two clamping blocks are mirror images of each other. The front and rear parts of the two clamping blocks are fixedly connected with fixing ears. The left middle of the four fixing ears is provided with fixing holes, and bolts are inserted into the fixing holes. The outer sides of the two clamping blocks that are far apart from each other are fixedly connected with protrusions.

[0013] Preferably, each of the two protrusions has a threaded hole on the side away from the clamping block, and the two threaded holes pass through the two clamping blocks respectively. The threaded holes are threadedly engaged with screws, and the lower part of the two clamping blocks has a clamping groove.

[0014] Preferably, the support rod includes a fixed rod, and a fixed plate is fixedly connected to both the upper and lower parts of the fixed rod. An adjustment groove is provided on the left side of each of the two fixed plates.

[0015] Preferably, the fixing plate is fixedly connected to the first clamp and the second clamp by screws.

[0016] (3) Beneficial effects

[0017] Compared with the prior art, this utility model provides a 3D printed medical imaging fixation fixture, which has the following beneficial effects:

[0018] This invention aims to develop a customized medical imaging fixation fixture based on 3D printing. It can be precisely designed according to the sample morphology and is made of anti-artifact and corrosion-resistant materials. This fixture is suitable for CT, MRI, X-ray and other imaging experiments on various rigid biological samples, providing stable, accurate and artifact-free fixation. It is also reusable, reducing experimental costs. Attached Figure Description

[0019] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0020] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0021] Figure 2 This is a three-dimensional structural disassembly diagram of this utility model;

[0022] Figure 3 This is a three-dimensional structural diagram of the first clamp of this utility model;

[0023] Figure 4 This is a three-dimensional structural diagram of the support rod of this utility model.

[0024] In the diagram: 1. First clamp; 2. Second clamp; 3. Bolt; 4. Screw; 5. Support rod; 11. Clamping block; 12. Fixing ear; 13. Fixing hole; 14. Protrusion; 15. Threaded hole; 16. Clamping groove; 51. Fixing rod; 52. Fixing plate; 53. Adjustment groove. DETAILED DESCRIPTION

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] Specific implementation examples are given below.

[0027] Please see Figures 1-4 This utility model provides a technical solution: a 3D printed medical imaging fixation fixture, including a first fixture 1 and a second fixture 2 distributed vertically. The first fixture 1 and the second fixture 2 have the same structure and are mirror images of each other. The first fixture 1 and the second fixture 2 are each provided with two bolts 3 distributed front and back and threadedly connected with two screws 4 distributed left and right. The first fixture 1 and the second fixture 2 are fixedly connected by four screws 4 with two support rods 5 distributed left and right.

[0028] The first clamp 1, the second clamp 2, the four bolts 3 and the four screws 4 are all made of light-cured resin material, and the two support rods 5 are all made of nylon 2 material.

[0029] Furthermore, such as Figures 1-3 As shown, the first clamp 1 includes two clamping blocks 11 distributed on the left and right, and the two clamping blocks 11 are mirror images of each other. The front and rear parts of the two clamping blocks 11 are fixedly connected to fixing ears 12. The four fixing ears 12 are all provided with fixing holes 13 in the middle of the left side, and bolts 3 are inserted into the fixing holes 13. The outer sides of the two clamping blocks 11 that are far apart from each other are fixedly connected to protrusions 14. The two protrusions 14 are provided with threaded holes 15 in the side away from the clamping blocks 11, and the two threaded holes 15 pass through the two clamping blocks 11 respectively. The threaded holes 15 are threadedly engaged with screws 4. The lower part of the two clamping blocks 11 is provided with a clamping groove 16.

[0030] The above solution: the first clamp 1, the second clamp 2, the four bolts 3 and the four screws 4 are all made of photocurable resin material. Photocurable resin material has high precision, high strength and excellent chemical stability. It can withstand long-term immersion in acid and alkali solutions and alcohol. At the same time, the entire device is 3D printed and can fit perfectly with the clamped part to achieve a more stable clamping effect.

[0031] Furthermore, such as Figure 1 , Figure 2 and Figure 4 As shown, the support rod 5 includes a fixed rod 51, and fixed plates 52 are fixedly connected to the upper and lower parts of the fixed rod 51. Adjustment grooves 53 are opened on the left side of both fixed plates 52. The fixed plates 52 are fixedly connected to the first clamp 1 and the second clamp 2 by screws 4.

[0032] The above solution: The support rod 5 is made of nylon 2 material. Nylon 2 material has excellent anti-artifact properties, and its strength is sufficient to support the load during long-term scanning.

[0033] Production process:

[0034] Step 1, Sample Scanning and Modeling: Use a CT or 3D scanner to acquire three-dimensional morphological data of the sample;

[0035] Step 2, Fixture Design: Customized fixture design is carried out based on the sample's morphological data to ensure that the internal structure of the fixture fits perfectly with the sample surface;

[0036] Step 3, 3D printing manufacturing: Print the fixture body and support rod 5 using photocurable resin and nylon 2 material respectively;

[0037] Step 4, Assembly and Testing: Assemble the printed fixture and test its stability and anti-artifact performance through experiments.

[0038] Working principle:

[0039] First, place the sample inside the fixture and align it with the customized clamping slot 16 to ensure that the sample fits the fixture perfectly.

[0040] Then, use 3D-printed bolts 3 to fix the upper and lower parts of the fixture;

[0041] Then, the upper and lower clamps are connected by two support rods 5, and the screws 4 are tightened to ensure the overall stability of the clamps;

[0042] Finally, use hot melt adhesive or UV-curing adhesive to fix the fixture to the scanning platform and begin the medical imaging experiment;

[0043] After the experiment, the fixture was disassembled, cleaned, and stored for future use.

[0044] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A 3D-printed medical imaging fixation fixture, comprising a first fixture (1) and a second fixture (2) distributed vertically, characterized in that: The first clamp (1) and the second clamp (2) have the same structure and are mirror images of each other. The first clamp (1) and the second clamp (2) are each provided with two bolts (3) distributed in front and behind and two screws (4) distributed in the left and right. The first clamp (1) and the second clamp (2) are fixedly connected by four screws (4) to two support rods (5) distributed in the left and right. The first clamp (1), the second clamp (2), the four bolts (3) and the four screws (4) are all made of light-cured resin material, and the two support rods (5) are both made of nylon material.

2. The 3D printed medical imaging fixation fixture according to claim 1, characterized in that: The first clamp (1) includes two clamping blocks (11) distributed on the left and right, and the two clamping blocks (11) are mirror images of each other. The front and rear parts of the two clamping blocks (11) are fixedly connected with fixing ears (12). The four fixing ears (12) are all provided with fixing holes (13) in the middle of the left side, and bolts (3) are inserted into the fixing holes (13). The two clamping blocks (11) are fixedly connected with protrusions (14) on the outer sides that are far apart from each other.

3. A 3D-printed medical imaging fixation fixture according to claim 2, characterized in that: Both of the protrusions (14) have threaded holes (15) on the side away from the clamping block (11), and the two threaded holes (15) pass through the two clamping blocks (11) respectively. The threaded holes (15) are threadedly engaged with the screw (4), and the lower part of the two clamping blocks (11) is provided with a clamping groove (16).

4. A 3D printed medical imaging fixation fixture according to claim 1, characterized in that: The support rod (5) includes a fixed rod (51), and a fixed plate (52) is fixedly connected to the upper and lower parts of the fixed rod (51). An adjustment groove (53) is provided on the left side of each of the two fixed plates (52).

5. A 3D-printed medical imaging fixation fixture according to claim 4, characterized in that: The fixing plate (52) is fixedly connected to the first clamp (1) and the second clamp (2) by screws (4).

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