Positioning auxiliary device for distal radius detection and use method thereof

Abstract

The invention relates to a positioning auxiliary device for distal radius detection and a use method thereof, the positioning auxiliary device comprises a base, an inclined support frame mounted in the middle of the base, and a rotary positioning assembly rotatably connected to the top of the inclined support frame, and the front part of the base is provided with a support part for placing a big arm; the supporting part is close to the bottom of the inclined supporting frame and is used for a big arm to be close to the inclined supporting frame, the inclined supporting frame comprises vertical inclined rods connected to the two sides of the base and a plurality of transverse rods which are fixed between the vertical inclined rods and made of non-developing materials in the operation, and the transverse rods are arranged in the inclined direction of the inclined supporting frame and are used for a small arm to lean on; the rotating positioning assembly comprises a first rotating piece and a second rotating piece which can be rotationally adjusted, the outer end of the first rotating piece is provided with a first positioning part, the outer end of the second rotating piece is provided with a second positioning part, and the first positioning part and the second positioning part are matched to vertically clamp the palm. The angle and the position of each shooting are ensured to be completely consistent, and the stability of an image result is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of medical equipment, and in particular to a positioning auxiliary device for detecting the distal end of a radius and a use method thereof. Background Art

[0002] In plate fixation of distal radius fractures, traditional standard anteroposterior and lateral X-ray examinations have significant limitations. Due to the complex geometric shape of the dorsal cortex of the distal radius, traditional X-ray examinations cannot fully show the position and length of the screws that pass through the dorsal cortex. This limitation may result in an inability to accurately determine whether the screws are too long and damage the tendons on the dorsal side of the wrist joint during surgery, thus affecting the surgical effect and the patient's recovery.

[0003] In order to solve this problem, some scholars have proposed the use of distal radial dorsal cut fluoroscopy and distal radial carpal tunnel fluoroscopy to better identify the position of the screw. These two fluoroscopy methods can provide more detailed imaging information and help the surgeon to accurately determine the position and length of the screw. However, these two methods face some challenges in practical application. First, the surgeon needs to manually support the patient's arm for shooting, which not only increases the surgeon's radiation exposure during the operation; secondly, it may also lead to inconsistent shooting angles. The ideal shooting angle is 75 degrees, but due to the uncertainty of manual operation, it is difficult to ensure that the angle of each shooting is completely consistent, which affects the consistency and accuracy of the examination results. Summary of the invention

[0004] The present invention aims to solve the problems existing in the above-mentioned prior art and provide a positioning auxiliary device for detecting the distal end of the radius and a method of using the same to solve the problems existing in the prior art and ensure that the imaging equipment can clearly display the details of the distal end of the radius, especially the situation where the screws penetrate the cortex from the dorsal side.

[0005] The technical solution adopted by the present invention to solve its technical problems: This positioning auxiliary device for detecting the distal end of the radius is characterized in that it includes a base, an inclined support frame installed in the middle of the base, and a rotating positioning assembly rotatably connected to the top of the inclined support frame. The front part of the base is equipped with a support part for placing the upper arm, the support part is close to the bottom of the inclined support frame and is used for the upper arm to be close to the inclined support frame. The inclined support frame includes vertical inclined rods connected to both sides of the base, and a plurality of cross rods made of non-visible material fixed between the vertical inclined rods. The plurality of cross rods are arranged along the inclined direction of the inclined support frame and are used for the forearm to lean on; the rotating positioning assembly includes a first rotating member and a second rotating member that can be rotatably adjusted, the outer end of the first rotating member has a first positioning part, and the outer end of the second rotating member has a second positioning part, and the first positioning part and the second positioning part cooperate to clamp the palm up and down.

[0006] Preferably, the second rotating member is located inside the first rotating member, and both the first rotating member and the second rotating member can rotate independently relative to the tilting support frame; When the auxiliary device is stored, the first positioning part and the second positioning part are flipped to the inside of the inclined support frame; when the auxiliary device positions the palm, an angle that clamps the back and front of the palm is formed between the first rotating member and the second rotating member.

[0007] Preferably, the inner ends of both sides of the first rotating member have a first connecting part, the inner ends of both sides of the second rotating member have a second connecting part, the upper end of the vertical inclined rod has a third connecting part, the first connecting part is between the second connecting part and the third connecting part, and the third connecting part, the first connecting part and the second connecting part on the same side are connected by bolts.

[0008] Preferably, an open space is formed between the bolt connection and the first positioning portion and the second positioning portion, and the open space is used for external medical imaging equipment to irradiate the distal end of the radius, wherein the first positioning portion and the second positioning portion are made of X-ray non-developable material.

[0009] Preferably, the base includes two side bottom plates respectively rotatably connected to the two side vertical inclined rods, the support part is fixed between the two side bottom plates, and the vertical inclined rod can be limitedly rotated relative to the bottom plate, so that the inclined support frame is flipped inside the base to be parallel to the support part, or an angle is formed between the inclined support frame and the base for the upper arm to be close to the inclined support frame.

[0010] Preferably, an angle indicator is provided on the inner side of the base plate, and a groove is opened on the inner side of the base plate, in which a retractable limiting portion is provided, and the limiting portion movably abuts against the vertical inclined rod to limit the rotation angle of the vertical inclined rod relative to the base plate.

[0011] Preferably, the lower end of the vertical inclined rod is connected to the bottom plate by bolts, and the maximum rotation angle of the vertical inclined rod on the bottom plate relative to the support portion at the front of the base is 0° to 75°.

[0012] Preferably, the third connection part is provided with a guide groove along the height direction of the vertical diagonal rod, and after the first connection part, the second connection part and the third connection part are loosened from the nut, the first connection part and the second connection part can be moved synchronously along the bolt in the guide groove.

[0013] Preferably, gaskets are provided on the bottom surfaces of both ends of the bottom plate, and the gaskets are used to increase the grip friction and prevent the device from sliding.

[0014] The present invention solves the technical problem and also provides a method for using a distal radius detection and positioning auxiliary device, comprising the following steps: 1) Prepare the device and place the base stably on the operating table, making sure that the gaskets on the bottom surfaces of both ends of the base are in close contact with the surface of the operating table; 2) Unfold the tilt support frame, loosen the bolts and nuts on the base and the tilt support frame, so that the vertical tilt rod can rotate freely relative to the bottom plate, manually adjust the vertical tilt rod so that its rotation angle relative to the bottom plate reaches 75 degrees. After adjusting the angle, tighten the bolts and nuts at the connection between the vertical tilt rod and the bottom plate, let the patient place the upper arm on the support part at the front of the base, make sure that the upper arm is close to the bottom of the tilt support frame, and lean the patient's forearm on the crossbar of the tilt support frame to make sure that the forearm fits the crossbar; 3) unfold the rotation positioning assembly, loosen the bolts and nuts between the rotation positioning assembly and the tilt support frame, so that the first rotating member and the second rotating member can be adjusted freely, adjust the height of the rotation positioning assembly on the tilt support frame according to the length of the patient's forearm, place the patient's palm with the back or front side between the first positioning part and the second positioning part, and tighten the bolts and nuts between the rotation positioning assembly and the tilt support frame by adjusting the angles of the first rotating member and the second rotating member, so that the first positioning part and the second positioning part can firmly clamp the palm; 4) Use external medical imaging equipment to perform dorsal radial distal section fluoroscopy on the back of the palm or distal radial carpal tunnel fluoroscopy on the front of the palm through the open space at the top of the tilt support frame to ensure that the imaging equipment can clearly identify the screw that penetrates the cortex on the dorsal side of the forearm; 5) Adjust and confirm. If necessary, the angles of the first rotating member and the second rotating member can be fine-tuned to ensure stable positioning of the palm and optimal imaging effect.

[0015] The beneficial effects of the present invention are: the patient's arm is fixed by the device, ensuring that the angle and position of each shot are completely consistent, improving the stability and reliability of the imaging results, and providing use under multi-angle fluoroscopy, ensuring that the imaging equipment clearly displays the position and length of the screw under the distal radial dorsal incision fluoroscopy and the carpal tunnel fluoroscopy, which helps the surgeon to accurately judge whether the screw is too long and avoid damaging the tendon on the dorsal side of the wrist joint, thereby improving the surgical effect and the patient's recovery quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a distal radius detection and positioning auxiliary device; Figure 2 It is a structural schematic diagram of the rotation positioning component; Figure 3 is a schematic diagram of the structure of the base; Figure 4 is a schematic diagram of the auxiliary device in a state of clamping the back of the palm; Figure 5This is a schematic diagram of the auxiliary device in a state of clamping the front of the palm.

[0017] Description of reference numerals: 1. Base; 100. Supporting part; 101. Bottom plate; 102. Position limiting part; 103. Angle indicator; 104. Gasket; 105. Groove; 2. Inclined support frame; 200. Vertical inclined rod; 201. Cross rod; 202. Third connecting portion; 203. Guide groove; 3. Rotational positioning assembly; 300. First rotating member; 301. Second rotating member; 302. First positioning portion; 303. Second positioning portion; 304. First connecting portion; 305. Second connecting portion. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with the accompanying drawings: See attached Figures 1 to 5 As shown: a positioning auxiliary device for detecting the distal end of the radius, characterized in that it includes: a base 1, an inclined support frame 2 installed in the middle of the base 1, and a rotating positioning assembly 3 rotatably connected to the top of the inclined support frame 2, a support part 100 for placing the upper arm is installed at the front of the base 1, the support part 100 is close to the bottom of the inclined support frame 2 and is used for the upper arm to be close to the inclined support frame 2, the inclined support frame 2 includes vertical inclined rods 200 connected to both sides of the base 1, and a plurality of cross rods 201 made of a material that does not develop during surgery are fixed between the vertical inclined rods 200, and the plurality of cross rods 201 are arranged along the inclined direction of the inclined support frame 2 and are used for the forearm to lean on; the rotating positioning assembly 3 includes a first rotating member 300 and a second rotating member 301 that can be rotatably adjusted, the outer end of the first rotating member 300 has a first positioning portion 302, and the outer end of the second rotating member 301 has a second positioning portion 303, and the first positioning portion 302 and the second positioning portion 303 cooperate to clamp the palm up and down.

[0019] The base 1 is the foundation of the entire device, which is used to provide stable support to ensure that the device remains stable on the operating table and avoid sliding to affect the imaging effect; the tilting support frame 2 is installed in the middle of the base 1, and is used to support the patient's upper arm and forearm to ensure the stability and correct position of the arm during shooting, including vertical tilting rods 200 connected to both sides of the base 1 and a number of cross bars 201 made of non-developing materials during surgery fixed between the vertical tilting rods 200, these cross bars 201 are arranged along the tilting direction of the tilting support frame 2, and are used for the forearm to lean on, ensuring stable support for the forearm, and the cross bars 201 made of non-developing materials during surgery will not affect X-ray imaging, ensuring the clarity of the image. In this embodiment, a support part 100 for placing the upper arm is installed at the front of the base 1, and the support part 100 is close to the bottom of the tilting support frame 2 to ensure that the upper arm is close to the bottom of the tilting support frame 2. The forearm provides a good foundation for leaning, which improves the stability of the overall device. The rotating positioning component 3 is rotatably connected to the top of the tilting support frame 2, and is used to fix the patient's palm to ensure the stability and correct position of the palm during shooting. It includes a rotatable and adjustable first rotating member 300 and a second rotating member 301. The outer end of the first rotating member 300 has a first positioning portion 302, and the outer end of the second rotating member 301 has a second positioning portion 303. The first positioning portion 302 and the second positioning portion 303 cooperate to clamp the palm up and down. Through the adjustment of the first rotating member 300 and the second rotating member 301, the positioning angle of the palm can be flexibly adjusted to ensure the stability and accuracy of the palm at different perspective angles. The upper and lower clamping design of the first positioning portion 302 and the second positioning portion 303 ensures that the palm is firmly fixed and avoids the imaging effect being affected by the movement of the palm.

[0020] Specifically, Figure 1 and Figure 2 As shown, the second rotating member 301 is located on the inner side of the first rotating member 300, and the first rotating member 300 and the second rotating member 301 can both rotate independently relative to the tilting support frame 2; when the auxiliary device is stored, the first positioning portion 302 and the second positioning portion 303 are flipped to the inner side of the tilting support frame 2; when the auxiliary device positions the palm, an angle is formed between the first rotating member 300 and the second rotating member 301 to clamp the back and front of the palm.

[0021] The second rotating member 301 is located on the inner side of the first rotating member 300, and the first rotating member 300 and the second rotating member 301 can both rotate independently relative to the tilting support frame 2. When the auxiliary device is stored, the first positioning portion 302 and the second positioning portion 303 are flipped to the inner side of the tilting support frame 2 to ensure the compactness and easy storage of the device; when the auxiliary device positions the palm, an angle that clamps the back and front of the palm is formed between the first rotating member 300 and the second rotating member 301. By adjusting the angles of the first rotating member 300 and the second rotating member 301, the positioning angle of the palm can be flexibly adjusted to ensure the stability and accuracy of the palm at different perspective angles. This design not only improves the flexibility and adaptability of the device, but also ensures stability and reliability in different usage scenarios.

[0022] Furthermore, if Figure 1 and Figure 2 As shown, the inner ends of both sides of the first rotating member 300 have first connecting parts 304, the inner ends of both sides of the second rotating member 301 have second connecting parts 305, the upper end of the vertical inclined rod 200 has a third connecting part 202, the first connecting part 304 is between the second connecting part 305 and the third connecting part 202, and the third connecting part 202, the first connecting part 304 and the second connecting part 305 on the same side are connected by bolts.

[0023] The inner ends of both sides of the first rotating member 300 have first connecting parts 304, the inner ends of both sides of the second rotating member 301 have second connecting parts 305, the upper end of the vertical inclined rod 200 has a third connecting part 202, the first connecting part 304 is between the second connecting part 305 and the third connecting part 202, the third connecting part 202, the first connecting part 304 and the second connecting part 305 on the same side are connected by bolts, and the first rotating member 300 and the second rotating member 301 are reliably connected to the vertical inclined rod 200 through the matching connection of bolts and nuts, thereby ensuring the structural stability and adjustability of the device.

[0024] Furthermore, if Figure 1 and Figure 2 As shown, an open space is formed between the bolt connection and the first positioning portion 302 and the second positioning portion 303, and the open space is used for external medical imaging equipment to irradiate the distal end of the radius, wherein the first positioning portion 302 and the second positioning portion 303 are made of X-ray non-developable material.

[0025] An open space is formed between the bolt connection and the first positioning portion 302 and the second positioning portion 303, and the open space is used for external medical imaging equipment to irradiate the distal end of the radius; the first positioning portion 302 and the second positioning portion 303 are made of X-ray non-developing material to ensure that there is no interference with the X-ray image during the imaging process. The open space provides sufficient space so that external medical imaging equipment can clearly image the distal end of the radius from multiple angles, especially can clearly show the situation where the screw passes through the cortex from the dorsal side. The X-ray non-developing material design of the first positioning portion 302 and the second positioning portion 303 ensures the clarity and accuracy of the imaging, avoids the quality of the image being affected by the development of the positioning components, not only improves the accuracy of the imaging examination, but also ensures the safety and reliability during the operation.

[0026] It should be noted that the X-ray non-developable material of the first positioning portion 302 , the second positioning portion 303 and the crossbar 201 may be made of polyethylene, polypropylene, polyvinyl chloride, polymethyl methacrylate or a carbon fiber composite material.

[0027] Specifically, Figure 1 and Figure 3 As shown, the base 1 includes two side bottom plates 101 respectively rotatably connected to the two side vertical inclined rods 200, the support part 100 is fixed between the two side bottom plates 101, and the vertical inclined rods 200 can be limitedly rotated relative to the bottom plates 101, so that the inclined support frame 2 is flipped to be parallel to the support part 100 in the base 1, or an angle is formed between the inclined support frame 2 and the base 1 for the upper arm to be close to the inclined support frame 2.

[0028] The base 1 includes two side bottom plates 101 respectively connected to the two side vertical inclined rods 200, the support part 100 is fixed between the two side bottom plates 101, and the vertical inclined rod 200 can be limitedly rotated relative to the bottom plate 101, so that the inclined support frame 2 can be turned over to be parallel to the support part 100 in the base 1, or an angle is formed between the inclined support frame 2 and the base 1 for the upper arm to be close to the inclined support frame 2. The flexible adjustment and storage function of the inclined support frame 2 is realized through the rotation connection between the bottom plate 101 and the vertical inclined rod 200; Figure 4 and Figure 5 When the device needs to be used, the tilt support frame 2 can be adjusted to the optimal angle of 75 degrees, so that the α of the external medical imaging equipment is 15 degrees, ensuring stable support of the upper arm and the forearm; when it is not needed, the tilt support frame 2 can be flipped into the base 1, parallel to the support part 100, saving space and facilitating storage and transportation, which not only improves the convenience and flexibility of the device, but also ensures stability and reliability in different usage scenarios.

[0029] Furthermore, if Figure 1 and Figure 3As shown, an angle indicator 103 is provided on the inner side of the base plate 101, and a groove 105 is opened on the inner side of the base plate 101, in which a retractable limiting portion 102 is provided. The limiting portion 102 movably abuts against the vertical inclined rod 200 to limit the rotation angle of the vertical inclined rod 200 relative to the base plate 101.

[0030] An angle indicator 103 is provided on the inner side of the base plate 101, and a limiting portion 102 is provided on the inner side of the base plate 101. The limiting portion 102 movably abuts against the vertical inclined rod 200 to limit the rotation angle of the vertical inclined rod 200 relative to the base plate 101. This design ensures that the rotation angle of the vertical inclined rod 200 can be accurately adjusted to the required angle (such as 75 degrees) through the angle indicator 103, and the limiting portion 102 ensures that the vertical inclined rod 200 does not exceed the set rotation range during the adjustment process, thereby ensuring the stability and consistency of the device; when storing, the limiting portion 102 on the base plates 101 on both sides is pressed, and the limiting portion 102 is pressed into the groove 105, and the tilting support frame 2 and the rotating positioning assembly 3 complete the storage.

[0031] In this embodiment, a spring is disposed in the groove 105 , one end of the spring is connected to the bottom surface of the groove 105 , and the other end of the spring is connected to the limiting portion 102 .

[0032] Furthermore, if Figure 1 and 3 As shown, the lower end of the vertical inclined rod 200 is connected to the bottom plate 101 by bolts, and the maximum rotation angle of the vertical inclined rod 200 on the bottom plate 101 relative to the support portion 100 at the front of the base 1 is 0° to 75°.

[0033] The lower end of the vertical oblique rod 200 is connected to the base plate 101 by bolts and nuts, and the maximum rotation angle of the vertical oblique rod 200 on the base plate 101 relative to the support part 100 at the front of the base 1 is 0° to 75°. This design achieves a stable connection between the vertical oblique rod 200 and the base plate 101 through bolt connection, while allowing the vertical oblique rod 200 to rotate freely within the range of 0° to 75°, ensuring that the inclined support frame 2 can be adjusted to the optimal angle to meet the needs of different patients.

[0034] It should be noted that although the maximum rotation angle of the vertical oblique rod 200 on the base plate 101 relative to the support part 100 on the front of the base 1 is 0° to 75°, it is not limited to 0° to 75°, because 75° is limited by the limit part 102. If the angle needs to be changed and increased during the operation, the limit part 102 can be pressed to retract into the groove 105, and then rotated to the required angle according to the situation, and then the connection between the lower end of the vertical oblique rod 200 and the base plate 101 is tightened and fastened by bolts and nuts.

[0035] Specifically, the third connection part 202 is provided with a guide groove 203 along the height direction of the vertical diagonal rod 200. After the first connection part 304, the second connection part 305 and the third connection part 202 are loosened from the nut, the first connection part 304 and the second connection part 305 can be moved synchronously in the guide groove 203 along the bolt.

[0036] The third connecting part 202 is provided with a guide groove 203 along the height direction of the vertical inclined rod 200. After the first connecting part 304, the second connecting part 305 and the third connecting part 202 are loosened from the nut, the first connecting part 304 and the second connecting part 305 can be synchronously moved along the bolt in the guide groove 203. This design realizes the height adjustment of the first rotating part 300 and the second rotating part 301 through the guide groove 203 and the bolt connection, so that the device can be flexibly adjusted according to the forearm length of different patients, thereby improving the effect of imaging examination.

[0037] Furthermore, gaskets 104 are provided on the bottom surfaces of both ends of the bottom plate 101, and the gaskets 104 are used to increase the gripping friction and prevent the device from sliding.

[0038] Gaskets 104 are provided on the bottom surfaces of both ends of the bottom plate 101. The gaskets 104 are used to increase the grip friction and prevent the device from sliding. The gaskets 104 increase the friction between the bottom plate 101 and the surface of the operating table, ensuring the stability of the device during surgery.

[0039] This embodiment also provides a method for using the distal radius detection and positioning auxiliary device, comprising the following steps: 1) Prepare the device, place the base 1 stably on the operating table, and ensure that the gaskets 104 on the bottom surfaces of both ends of the base 1 are in close contact with the surface of the operating table; 2) Unfold the tilt support frame 2, loosen the bolts and nuts on the base 1 and the tilt support frame 2, so that the vertical tilt rod 200 can rotate freely relative to the bottom plate 101, manually adjust the vertical tilt rod 200 so that its rotation angle relative to the bottom plate 101 reaches 75 degrees, and after adjusting the angle, tighten the bolts and nuts at the connection between the vertical tilt rod 200 and the bottom plate 101, let the patient place the upper arm on the support part 100 at the front of the base 1, ensure that the upper arm is close to the bottom of the tilt support frame 2, and lean the patient's forearm on the cross bar 201 of the tilt support frame 2, ensure that the forearm fits the cross bar 201; 3) unfold the rotation positioning assembly 3, loosen the bolts and nuts at the rotation positioning assembly 3 and the tilt support frame 2, so that the first rotating member 300 and the second rotating member 301 can be adjusted freely, adjust the height of the rotation positioning assembly 3 on the tilt support frame 2 according to the length of the patient's forearm, place the patient's palm with the back or front side between the first positioning part 302 and the second positioning part 303, and tighten the bolts and nuts at the rotation positioning assembly 3 and the tilt support frame 2 by adjusting the angles of the first rotating member 300 and the second rotating member 301, so that the first positioning part 302 and the second positioning part 303 can firmly clamp the palm; 4) using an external medical imaging device to perform a dorsal radial distal section fluoroscopy on the back of the palm or a distal radial carpal tunnel fluoroscopy on the front of the palm through the open space at the top of the tilted support frame 2, and ensuring that the imaging device can clearly identify the screw that penetrates the cortex on the dorsal side of the forearm; 5) Adjustment and confirmation: the angles of the first rotating member 300 and the second rotating member 301 may be fine-tuned as needed to ensure stable positioning of the palm and optimal imaging effect.

[0040] Certain words are used in the specification and claims of the present invention to refer to specific products. It should be understood by those skilled in the art that manufacturers may refer to the same component by different names. It is not intended to distinguish between components that have the same function but different names. In the following specification and patent scope, the words "comprise", "have" and "include" are open-ended words and should be interpreted as "including but not limited to...".

[0041] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A positioning auxiliary device for detecting the distal end of radius, characterized by: The invention comprises a base, an inclined support frame installed in the middle of the base, and a rotating positioning assembly rotatably connected to the top of the inclined support frame, wherein a supporting portion for placing an upper arm is installed at the front of the base, the supporting portion is close to the bottom of the inclined support frame and is used for the upper arm to be close to the inclined support frame, the inclined support frame comprises vertical inclined rods connected to both sides of the base, and a plurality of cross rods made of a material not developing during surgery are fixed between the vertical inclined rods, the plurality of cross rods are arranged along the inclined direction of the inclined support frame and are used for the forearm to lean on; the rotating positioning assembly comprises a first rotating member and a second rotating member which can be rotatably adjusted, the outer end of the first rotating member has a first positioning portion, the outer end of the second rotating member has a second positioning portion, the first positioning portion and the second positioning portion cooperate to clamp the palm up and down.

2. The distal radius detection and positioning auxiliary device according to claim 1, characterized in that: The second rotating member is located inside the first rotating member, and both the first rotating member and the second rotating member can rotate independently relative to the tilting support frame; When the auxiliary device is stored, the first positioning part and the second positioning part are flipped to the inside of the inclined support frame; when the auxiliary device positions the palm, an angle that clamps the back and front of the palm is formed between the first rotating member and the second rotating member.

3. The distal end radius detection and positioning auxiliary device according to claim 2, characterized in that: The inner ends of both sides of the first rotating member have first connecting parts, the inner ends of both sides of the second rotating member have second connecting parts, the upper end of the vertical inclined rod has a third connecting part, the first connecting part is between the second connecting part and the third connecting part, and the third connecting part, the first connecting part and the second connecting part on the same side are connected by bolts.

4. The distal end of radius detection and positioning auxiliary device according to claim 3, characterized in that: An open space is formed between the bolt connection and the first positioning portion and the second positioning portion, and the open space is used for external medical imaging equipment to irradiate the distal end of the radius, wherein the first positioning portion and the second positioning portion are made of X-ray non-developable material.

5. The distal end radius detection and positioning auxiliary device according to claim 3, characterized in that: The base includes two bottom plates rotatably connected to the two side vertical inclined rods respectively, the support part is fixed between the two side bottom plates, and the vertical inclined rod can be limitedly rotated relative to the bottom plate, so that the inclined support frame is flipped inside the base to be parallel to the support part, or an angle is formed between the inclined support frame and the base for the upper arm to be close to the inclined support frame.

6. The distal end radius detection and positioning auxiliary device according to claim 5, characterized in that: An angle indicator is arranged on the inner side of the base plate, and a groove is opened on the inner side of the base plate, in which a retractable limit part is arranged, and the limit part movably abuts against the vertical inclined rod to limit the rotation angle of the vertical inclined rod relative to the base plate.

7. The distal radius detection and positioning auxiliary device according to claim 5, characterized in that: The lower end of the vertical oblique rod is connected to the bottom plate by bolts, and the maximum rotation angle of the vertical oblique rod on the bottom plate relative to the support part at the front of the base is 0° to 75°.

8. The distal end of radius detection and positioning auxiliary device according to claim 3, characterized in that: The third connection part is provided with a guide groove along the height direction of the vertical diagonal rod. After the first connection part, the second connection part and the third connection part are loosened from the nut, the first connection part and the second connection part can be moved synchronously along the bolt in the guide groove.

9. The distal radius detection and positioning auxiliary device according to claim 5, characterized in that: Gaskets are arranged on the bottom surfaces of both ends of the bottom plate, and the gaskets are used to increase the grip friction and prevent the device from sliding.

10. A method for using a distal radius detection and positioning auxiliary device, comprising the following steps: 1) Prepare the device and place the base stably on the operating table, making sure that the gaskets on the bottom surfaces of both ends of the base are in close contact with the surface of the operating table; 2) Unfold the tilt support frame, loosen the bolts and nuts on the base and the tilt support frame, so that the vertical tilt rod can rotate freely relative to the bottom plate, manually adjust the vertical tilt rod so that its rotation angle relative to the bottom plate reaches 75 degrees. After adjusting the angle, tighten the bolts and nuts at the connection between the vertical tilt rod and the bottom plate, let the patient place the upper arm on the support part at the front of the base, make sure that the upper arm is close to the bottom of the tilt support frame, and lean the patient's forearm on the crossbar of the tilt support frame to make sure that the forearm fits the crossbar; 3) unfold the rotation positioning assembly, loosen the bolts and nuts between the rotation positioning assembly and the tilt support frame, so that the first rotating member and the second rotating member can be adjusted freely, adjust the height of the rotation positioning assembly on the tilt support frame according to the length of the patient's forearm, place the patient's palm with the back or front side between the first positioning part and the second positioning part, and tighten the bolts and nuts between the rotation positioning assembly and the tilt support frame by adjusting the angles of the first rotating member and the second rotating member, so that the first positioning part and the second positioning part can firmly clamp the palm; 4) Use external medical imaging equipment to perform dorsal radial distal section fluoroscopy on the back of the palm or distal radial carpal tunnel fluoroscopy on the front of the palm through the open space at the top of the tilt support frame to ensure that the imaging equipment can clearly identify the screw that penetrates the cortex on the dorsal side of the forearm; 5) Adjust and confirm. If necessary, the angles of the first rotating member and the second rotating member can be fine-tuned to ensure stable positioning of the palm and optimal imaging effect.

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