CN215228306U

CN215228306U - Fracture reduction auxiliary device

Info

Publication number: CN215228306U
Application number: CN202121066673.9U
Authority: CN
Inventors: 秦蓁
Original assignee: Tinavi Medical Technologies Co Ltd
Current assignee: Tinavi Medical Technologies Co Ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-12-21
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses an auxiliary device for fracture reduction, which comprises a mounting bracket fixed on one side of an operating bed; a blocking part is arranged on one end of the mounting bracket close to the operating bed to block a patient's body; Bone fixation part, the broken bone fixation part includes at least one broken bone fixation unit, the broken bone fixation unit is movably arranged on the installation bracket and can be relatively fixed with the installation bracket, so as to fix the fracture; traction; The part is arranged on one end of the mounting bracket away from the operating bed, so as to distract and adjust the alignment of the two segments of broken bones at the fracture site. The fracture reduction auxiliary device can not only simplify the entire operation process to save labor costs, but also reduce the damage caused by X-ray fluoroscopy to the patient, and the traction part can adjust the broken bone with higher precision and better stability.

Description

Fracture reduction auxiliary device

Technical Field

The utility model relates to a medical treatment appurtenance field especially relates to a fracture auxiliary device that resets.

Background

Long bone fracture wounds are common in orthopedic patients, humerus fracture is one of shoulder fractures, the occurrence probability is frequent, and the long bone fracture accounts for about 20% of the shoulder fracture and 4% -5% of the total body fracture. This disease can occur at various ages, with humeral fractures often occurring in the humeral surgical neck, humeral shaft, supracondylar, intercondylar, lateral humeral condyle, and medial humeral epicondyle. Among them, the humeral surgical neck fracture, humeral shaft fracture, supracondylar fracture of humerus account for a greater proportion of humeral fractures.

Good reduction is beneficial for fracture healing and prevents complications such as delayed fracture healing, nonunion, and malformation healing, but this is difficult to achieve. Repeated attempts during surgery can increase the time of the surgery, cause new damage to the fracture site and excessive radiation exposure.

The robot and the navigation technology can help to improve the reduction precision, however, the clinical application of the robot and the navigation technology is limited by high cost and complex operation, the traditional manual reduction not only needs doctors with exquisite and rich bone setting technology, but also needs a plurality of assistants to assist the reduction in the reduction process, so that the waste of human resources is caused, the manual reduction belongs to the science of traditional Chinese medicine, the existing talents are fewer and fewer, the traditional Chinese medicine with good bone setting skill is the old traditional Chinese medicine, the bone setting process is often unconscious, and especially for bone injury patients with developed muscles, more people may be needed to assist the bone setting process.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fracture reduction auxiliary device to reduce the human cost, and reduce the operation degree of difficulty that the fracture reduced, improve the convenience of fracture reduction operation.

In order to realize the technical purpose, the utility model adopts the following technical scheme:

the utility model provides a fracture auxiliary device that resets, include:

the mounting bracket is fixed on one side of the operating bed;

the blocking part is arranged at one end, close to the operating table, of the mounting bracket and is used for blocking the body of the patient;

the fracture fixation part comprises at least one fracture fixation unit, and the fracture fixation unit is movably arranged on the mounting bracket and can be fixed relative to the mounting bracket so as to fix a fracture part;

the traction part is arranged on the other side, far away from the operating table, of the mounting bracket so as to traction and adjust the alignment of the two sections of broken bones at the fracture part.

Preferably, the fractured bone fixing unit comprises a sliding part, a sleeve fixing part and a positioning part;

the sliding part is movably arranged on the mounting bracket, the sleeve fixing part is arranged on the sliding part to move along with the movement of the sliding part, and the positioning part is arranged on the sliding part to adjust and fix the sliding part on the mounting bracket.

Preferably, the sliding part comprises a first sliding block and a second sliding block, and the positioning part comprises a first positioning bolt, a second positioning bolt and a positioning bolt;

the first sliding block is movably arranged on the mounting bracket along a first direction, the second sliding block is movably arranged on the first sliding block along a second direction, and the sleeve fixing piece is movably arranged on the second sliding block along a third direction;

the first positioning bolt is arranged on the first sliding block along the third direction, and the screwing-in depth is adjusted to drive the sleeve fixing piece to move along the third direction; the second positioning bolt is arranged on the first sliding block and connected with the second sliding block, and the second positioning bolt is arranged along the second direction so as to drive the second sliding block to move relative to the first sliding block along the second direction by adjusting the screwing-in depth; the positioning bolt is arranged on one side of the first sliding block so as to fix the first sliding block at any position of the mounting bracket within the movable range of the first sliding block; the first direction and the second direction form a first set angle, and the third direction and a plane where the first direction and the second direction are located form a second set angle.

Preferably, the cover firmware includes fixing base and bandage, the fixing base is followed movably the installing of third direction is in on the second slider, install respectively at the both ends of bandage the both sides of fixing base to form the lantern ring that is used for the solid bone of cover to be broken, just at least one end of bandage all can be followed the third direction removes in order to adjust the size of lantern ring.

Preferably, the traction part comprises two traction sliding blocks, the traction sliding blocks are movably arranged on the mounting bracket along the first direction, the traction sliding blocks move independently, each traction sliding block is provided with a sawtooth part, and a plurality of sawteeth are uniformly distributed on the sawtooth part along the third direction.

Preferably, two adjacent sawteeth of the sawteeth part have a set interval.

Preferably, the traction part comprises a traction bolt, a traction plate and two traction hooks;

the traction bolt is movably installed in the first direction at one end, far away from the operating table, of the mounting support, the traction plate is rotatably installed on the traction bolt in the first direction, the two traction hooks are movably installed on two sides of the traction plate in the first direction respectively, and hook portions of the two traction hooks face one end, far away from the operating table, of the mounting support.

Preferably, the blocking part includes a head stopper and a body stopper, and the head stopper and the body stopper are spaced apart in the second direction to block the head and the body, respectively.

Preferably, the blocking part further comprises two inverted L-shaped blocking frames, the vertical edges of the inverted L-shaped blocking frames are movably arranged on the mounting bracket in the third direction, the transverse edges of the inverted L-shaped blocking frames are parallel to the first direction, and the head check block and the body check block are movably arranged on the transverse edges of the two inverted L-shaped blocking frames respectively.

Preferably, the head block and/or the body block are made of an elastic material.

Compared with the prior art, the utility model, beneficial effect as follows:

when the fracture reduction auxiliary device is used for fracture reduction, two sections of broken bones at a fracture part are fixed through the broken bone fixing part, the positions and the angles of the two sections of broken bones can be adjusted by manually adjusting the traction part, observation can be carried out after one-time adjustment, and at the moment, the relative positions of the two sections of broken bones cannot be changed; if the position adjustment is not carried out again on the basis of the last adjustment, the whole operation process of fracture reduction can be completed only by one person, so that the labor cost is saved, and the convenience of fracture reduction operation is improved.

And (II) in the fracture reduction process, the X-ray fluoroscopy does not need to be continuously carried out on the patient, and only needs to be carried out once after the two sections of fractured bones are adjusted to determine whether the adjustment is accurate and how to adjust the adjustment in the next step, so that the damage of the X-ray radiation to the patient is reduced.

(III) the fracture reduction auxiliary device has higher positioning precision to the broken bone, improves the stability after the broken bone is fixed, and avoids the condition of hand trembling when being manually controlled.

Drawings

Fig. 1 is a schematic structural view of a fracture reduction auxiliary device provided in an embodiment of the present invention;

fig. 2 is a diagram of the application of the fracture reduction auxiliary device provided by the embodiment of the invention;

FIG. 3 is a schematic structural view of a fractured bone fixation unit;

FIG. 4 is an exploded view of the fractured bone fixation unit;

FIG. 5 is a schematic view of a configuration of the traction portion;

fig. 6 is another structure diagram of the traction part.

In the drawings, each reference numeral denotes:

1. mounting a bracket;

2. a blocking portion; 21. a head stopper; 22. a body stop; 23. an inverted L-shaped blocking frame;

3. a fractured bone fixation portion; 31. a slider; 32. sleeving and fixing parts; 33. a positioning member; 311. a first slider; 312. a second slider; 321. a fixed seat; 322. a bandage; 331. a first positioning bolt; 332. a second positioning bolt; 333. positioning the bolt;

4. a traction part; 41. a traction slide block; 42. a serration; 421. saw teeth; 43. a draw bolt; 44. a traction plate; 45. a towing hook;

10. an operating bed.

Detailed Description

To make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, a fracture reduction assisting device according to an embodiment of the present invention includes: the bone fracture fixation device comprises a mounting bracket 1, a blocking part 2, a fractured bone fixing part 3 and a traction part 4. The installing support 1 is provided with a plurality of installing positions for providing an installing foundation for the blocking part 2, the broken bone fixing part 3 and the traction part 4, the blocking part 2 is used for blocking a human body in the traction process, the broken bone fixing part 3 is used for fixing two sections of broken bones at a fracture part, and the traction part 4 is used for drawing and adjusting the relative positions and relative angles of the two sections of broken bones.

Referring to fig. 2, the mounting bracket 1 is fixed to one side of the operating bed 10; the blocking part 2 is arranged at one end of the mounting bracket 1 close to the operating bed 10; the fractured bone fixing part 3 comprises at least one fractured bone fixing unit which is movably arranged on the mounting bracket 1 and can be fixed relative to the mounting bracket 1 so as to fix the fracture; the traction part 4 is arranged on the other side of the mounting bracket 1 far away from the operating table 10 to pull and adjust the alignment of the two broken bones.

Referring to fig. 2, a humeral fracture is taken as an example for explanation, in this embodiment, two broken bone fixing units are used to fix two broken bones at a fracture respectively, and in particular, when in use, a patient lies on an operating bed 10, an arm (not shown in the figure) at one side of the fracture horizontally extends out, then the two broken bone fixing units are adjusted to the fracture position, and the two broken bones at the fracture are fixed by the two broken bone fixing units respectively; then, a transverse kirschner wire (not shown in the figure) is driven into the olecranon of the radius of the humerus, so that two ends of the kirschner wire penetrate out of the arm; then, hooking two ends of the Kirschner wire by using the traction part 4 and manually pulling to separate the two broken bones, and rotating or translating the Kirschner wire by using the traction part 4 after the two broken bones are separated so as to adjust the relative position and the relative angle of the two broken bones until the two broken bones are aligned with each other; and finally, fixing the aligned broken bones at the two ends.

In the embodiment, when the fracture reduction auxiliary device is used for fracture reduction, observation can be carried out after one-time adjustment, and the relative positions of two sections of broken bones cannot be changed; if the position adjustment is not carried out again on the basis of the last adjustment, the whole operation process of fracture reduction can be completed only by one person, so that the labor cost is saved, and the convenience of fracture reduction operation is improved. Meanwhile, in the process of fracture reduction, X-ray fluoroscopy is not needed to be continuously carried out on the patient, and only one X-ray fluoroscopy is needed to be carried out after the two sections of fractured bones are adjusted to determine whether the adjustment is accurate and how to adjust the two sections of fractured bones in the next step, so that the damage of X-ray radiation to the patient is reduced. In addition, the fracture reduction auxiliary device is high in positioning accuracy of the broken bone, stability of the broken bone after fixation is improved, and the condition that hands shake during manual holding is avoided.

Referring to fig. 3, in the above embodiment, it is preferable that the fractured bone fixation unit includes a sliding member 31, a sleeve fixing member 32 and an adjustment member 33; a slider 31 is movably installed on the mounting bracket 1, a sleeve 32 is provided on the slider 31 to move with the movement of the slider 31, and an adjuster 33 is installed on the slider 31 to adjust and fix the slider 31 at a set position.

Specifically, in this embodiment, the position of the sliding member 31 is adjusted until the position of the fracture is adjusted by manually adjusting the positioning member 33 so that the sliding member 31 can move on the mounting bracket 1; meanwhile, since the sleeve fastener 32 is mounted on the sliding member 31, when the position of the sliding member 31 is changed, the position of the sleeve fastener 32 is changed accordingly, and when the position of the sliding member 31 is adjusted, the sleeve fastener 32 is fixed to the fractured bone by being sleeved on the arm of the human body. Therefore, the structure can be used for accurately fixing the broken bone part, so that the positioning precision is improved, the stability of broken bone fixation is improved, and the fracture reduction is more reliable.

Referring to fig. 4, in the above embodiment, preferably, the sliding member 31 includes the first sliding block 311 and the second sliding block 312, and the positioning member 33 includes the first positioning bolt 331, the second positioning bolt 332, and the positioning bolt 333. The first slide block 311 is movably arranged on the mounting bracket 1 along a first direction, the second slide block 312 is movably arranged on the first slide block 311 along a second direction, and the sleeve member 32 is movably arranged on the second slide block 312 along a third direction; the first positioning bolt 331 is disposed on the first sliding block 311 and disposed along the third direction, so as to drive the sleeve fastener 32 to move along the third direction by adjusting the screwing-in depth; the second positioning bolt 332 is mounted on the first slider 311 and connected with the second slider 312, and the second positioning bolt 332 is arranged along the second direction so as to drive the second slider 312 to move relative to the first slider 311 along the second direction by adjusting the screwing-in depth; a positioning bolt 333 is provided at one side of the first slider 311 to fix the first slider 311 at an arbitrary position of the mounting bracket 1 within a movable range of the first slider 311; the first direction and the second direction form a first set angle, and the third direction and a plane where the first direction and the second direction are located form a second set angle.

Referring to the coordinate system shown in fig. 1, 3 and 4, in this embodiment, the first direction is the length direction of the arm (i.e., X direction), the second direction is the width direction of the arm (i.e., Y direction), and the third direction is the height direction (i.e., Z direction), and the first set angle and the second set angle are both 90 °. When in specific use, the first slide block 311 can be firstly slid along the X direction, so that the first slide block 311 is adjusted to the position of the fracture; then, the first positioning bolt 331 is screwed, so that the first positioning bolt 331 abuts against the bottom of the sleeve fixing member 32 to drive the sleeve fixing member 32 to move along the Z direction, thereby adjusting the height of the sleeve fixing member 32; then, the second positioning bolt 332 is screwed so that the second positioning bolt 332 abuts against the second slider 312 to move along the Y direction, thereby adjusting the sleeve fastener 32 to be aligned with the arm. It should be noted that the positioning sequence can be adjusted as needed, as long as the sleeve fastener 32 can be adjusted to a proper position. The position of the fixing member 32 can be adjusted in X, Y, Z three directions as required by this structure, so that the positioning accuracy and the convenience of position adjustment can be improved.

In the above embodiment, preferably, the fixing member 32 includes a fixing base 321 and a bandage 322, the fixing base 321 is movably installed on the second sliding block 312 along the third direction, two ends of the bandage 322 are respectively installed at two sides of the fixing base 321 to form a collar for fixing the fractured bone, and two ends of the bandage 322 can move along the third direction to adjust the size of the collar. Specifically, in this embodiment, the fixing base 321 has an arc-shaped recess for preliminary limiting the position of the arm, and at the same time, the bandage 322 is fitted to form a loop for fixing the arm. When the arm is fixed, the size of the sleeve ring can be adjusted by adjusting the two ends of the bandage 322 because the arm of different patients has different thicknesses, so that the sleeve fastener 32 can adapt to the arms of different patients.

Referring to fig. 5, in the above embodiment, preferably, the traction portion 4 includes two traction sliders 41, each traction slider 41 is movably disposed on the mounting bracket 1 along a first direction, each traction slider 41 moves independently, each traction slider 41 is provided with a saw tooth portion 42, and the saw tooth portions 42 are uniformly distributed with a plurality of saw teeth 421 along a third direction. Specifically, in this embodiment, when the arm needs to be pulled, firstly, a transverse kirschner wire is driven into the olecranon of the radius of the humerus of the arm, so that both ends of the kirschner wire penetrate out of the arm, then, both ends of the kirschner wire are respectively clamped on the two sawtooth parts 42, the broken bone is pulled by manually pulling the slider to move along the X direction, so that the two broken bones are separated, and then, the sliding distances of the two pulling sliders 41 along the X direction can be adjusted, so that the sliding distances of the two pulling sliders 41 are different, so that the kirschner wire can rotate around the Z direction, and the broken bone is driven to rotate around the Z direction; simultaneously, the accessible is with the both ends block respectively of kirschner wire in not high sawtooth 421 departments for the kirschner wire can rotate around the X direction, thereby drives the broken bone and rotates around the X direction, and from this, through the translation in the X direction, around the rotation of Z direction and around the rotation of X direction can carry out accurate position and angular adjustment to two sections broken bones of fracture department.

In the above embodiment, it is preferable that adjacent two saw teeth 421 of the saw tooth portion 42 have a set pitch. It is easy to understand that the smaller the set pitch, the higher the adjustment accuracy, and the larger the set pitch, the lower the adjustment accuracy, and the design can be specifically performed as needed.

Referring to fig. 6, in the above embodiment, preferably, the pulling part 4 includes a pulling bolt 43, a pulling plate 44 and two pulling hooks 45; the traction bolt 43 is movably mounted on the mounting bracket 1 at an end far away from the operating table 10 along a first direction, the traction plate 44 is rotatably mounted on the traction bolt 43 around the first direction, and the two traction hooks 45 are respectively movably mounted on two sides of the traction plate 44 along the first direction. Specifically, in this embodiment, when the arm needs to be pulled, a transverse kirschner wire is firstly driven into the olecranon of the radius of the humerus of the arm, so that both ends of the kirschner wire penetrate out of the arm, then, two pulling hooks 45 are hooked on both ends of the kirschner wire respectively, the pulling bolt 43 can move in the X direction by adjusting the screwing depth of the pulling bolt 43, and the broken bone is pulled so that the two broken bones are separated; then, the traction plate 44 can be rotated around the X direction, so that the two traction hooks 45 can drive the Kirschner wire to rotate around the X direction, and the broken bone is driven to rotate around the X direction; meanwhile, the two traction hooks 45 are in threaded connection with the traction plate 44 through bolts, the moving distance of the two traction hooks 45 in the X direction is different by adjusting the screwing-in depth of the bolts, so that the two traction hooks 45 can drive the Kirschner wire to rotate around the Z direction, and further drive the broken bones to rotate around the Z direction, and therefore, two sections of broken bones at the fracture part can be accurately adjusted in position and angle through translation in the X direction, rotation around the Z direction and rotation around the X direction.

It should be understood that the traction part 4 in the above embodiments is two different embodiments, and the purpose is to adjust the position of two broken bones, and any one of the two different embodiments can be selected for fracture reduction operation in specific use. Meanwhile, in other embodiments, the traction portion 4 may also be subjected to appropriate structural deformation as needed to adapt to different use conditions.

Referring to fig. 1, in the above embodiment, it is preferable that the blocking portion 2 includes a head stopper 21 and a body stopper 22, and the head stopper 21 and the body stopper 22 are spaced apart in the second direction to block the head and the body, respectively. Specifically, in this embodiment, the head block 21 and the body block 22 are arranged at intervals in the Y direction, so that the head and the body can be blocked respectively in the traction process, the human body is prevented from losing balance, and the optimal traction effect is ensured.

In the above embodiment, preferably, the blocking portion 2 further includes two inverted L-shaped retaining frames 23, the vertical edges of the inverted L-shaped retaining frames 23 are movably disposed on the mounting bracket 1 along the third direction, the lateral edges of the inverted L-shaped retaining frames 23 are parallel to the first direction, and the head block 21 and the body block 22 are respectively movably disposed on the lateral edges of the two inverted L-shaped retaining frames 23. Specifically, in this embodiment, by providing the inverted L-shaped blocking frame 23, the height of the head block 21 and the body block 22 can be adjusted in the Z direction, so that the head block 21 and the body block 22 can be flush with the surface of the operating table 10, thereby being beneficial to blocking the patient. Meanwhile, because different patients have certain differences in body types, in this embodiment, the head block 21 and the body block 22 can also be adjusted in position along the X direction to adapt to different patients. Specifically, in this embodiment, the head block 21 and the body block 22 are both provided with through type sliding grooves (not shown in the figure) along the X direction, and meanwhile, the bottom of the head block 21 and the bottom of the body block 22 are both provided with positioning bolt holes (not shown in the figure) communicated with the sliding grooves, and the positioning bolt holes are internally connected with positioning bolts; the transverse edges of the two inverted L-shaped retaining frames 23 are respectively sleeved with the sliding grooves of the head check block 21 and the sliding grooves of the body check block 22, so that the positions of the head check block 21 and the body check block 22 can be adjusted along the X direction, after the positions of the head check block 21 and the body check block 22 are adjusted, the head check block 21 and the body check block 22 are respectively fixed on the transverse edges of the two inverted L-shaped retaining frames 23 by using positioning bolts at the bottoms of the head check block 21 and the body check block 22, and therefore the blocking effect and the whole applicability of the blocking portion 2 can be improved.

In the above embodiment, it is preferable that the head block 21 and/or the body block 22 are made of an elastic material. The elastic material is not limited to specific materials, and the pain of the patient in the traction process can be reduced to a certain extent through the elastic capacity of the elastic material.

To sum up, the utility model provides a pair of fracture auxiliary device that resets not only can simplify whole operation process in order to practice thrift the human cost, simultaneously, has reduced the injury that X-ray perspective caused to the patient, and traction portion 4 is higher to the regulation precision of broken bone moreover, and stability is better to can carry out the structural adjustment of adaptability to whole device according to the patient of difference, in order to guarantee the best fracture effect that resets.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above description is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or replacements within the technical scope of the present invention, and all should include the shell within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A fracture reduction assistance device, comprising:

the mounting bracket is fixed on one side of the operating bed;

2. The fracture reduction assistance device according to claim 1, wherein the fractured bone fixation unit includes a sliding member, a sleeve fixing member, and a positioning member;

3. The fracture reduction assistance device of claim 2, wherein the sliding member comprises a first slider and a second slider, and the positioning member comprises a first positioning bolt, a second positioning bolt, and a positioning bolt;

4. The fracture reduction assistance device of claim 3, wherein the fixing member comprises a fixing seat and a bandage, the fixing seat is movably mounted on the second slider along the third direction, two ends of the bandage are respectively mounted on two sides of the fixing seat to form a collar for fixing a fractured bone, and at least one end of the bandage can move along the third direction to adjust the size of the collar.

5. The fracture reduction auxiliary device according to claim 3, wherein the traction part comprises two traction sliding blocks, the traction sliding blocks are movably arranged on the mounting bracket along the first direction, the traction sliding blocks move independently, each traction sliding block is provided with a sawtooth part, and a plurality of sawteeth are uniformly distributed on the sawtooth part along the third direction.

6. The fracture reduction assistance device of claim 5, wherein two adjacent ones of the serrations have a set spacing.

7. The fracture reduction assistance device of claim 3, wherein the distraction portion comprises a distraction bolt, a distraction plate, and two distraction hooks;

8. The fracture reduction assistance device of claim 3, wherein the blocking portion comprises a head block and a body block, the head block and the body block being spaced apart in the second direction to block the head and the body, respectively.

9. The fracture reduction aid according to claim 8, wherein the blocking portion further comprises two inverted L-shaped retaining frames, vertical edges of the inverted L-shaped retaining frames are movably disposed on the mounting bracket along the third direction, transverse edges of the inverted L-shaped retaining frames are parallel to the first direction, and the head block and the body block are respectively movably disposed on the transverse edges of the two inverted L-shaped retaining frames.

10. The fracture reduction assistance device of claim 8, wherein the head stop and/or the body stop are made of an elastic material.