阅读说明：本技术 骨折复位装置 (Fracture reduction device ) 是由 赵建国 刘艳玲 齐新生 于 2021-08-06 设计创作，主要内容包括：本发明属于医疗器械技术领域,具体涉及一种骨折复位装置。本发明旨在解决骨折复位装置难以衔接后续的影像学检查的问题。本发明的骨折复位装置,包括复位架、连接在复位架上的肘部固定架以及手部固定架,肘部固定架用于对患者的肘部进行固定,手部固定架用于对患者的手部进行固定；复位架上设置有检查口,检查口沿垂直于水平面的方向贯通复位架,检查口用于正对患者的腕关节及桡骨远端,通过检查口对患者的腕关节及桡骨远端进行影像学检查,无需拆卸骨折复位装置,且可以通过影像学检查结果继续调整骨折复位装置,直至复位效果满意为止。在复位及后续的影像学检查过程中,无需拆卸骨折复位装置,从而使骨折复位装置可以衔接后续的影像学检查。(The invention belongs to the technical field of medical instruments, and particularly relates to a fracture reduction device. The invention aims to solve the problem that the fracture reduction device is difficult to link with the subsequent imaging examination. The fracture reduction device comprises a reduction frame, an elbow fixing frame and a hand fixing frame, wherein the elbow fixing frame and the hand fixing frame are connected to the reduction frame; the reduction frame is provided with an examination opening, the examination opening penetrates through the reduction frame along the direction perpendicular to the horizontal plane, the examination opening is used for rightly aligning the wrist joint and the distal radius of the patient, the imaging examination is carried out on the wrist joint and the distal radius of the patient through the examination opening, the fracture reduction device does not need to be disassembled, and the fracture reduction device can be continuously adjusted through the imaging examination result until the reduction effect is satisfactory. In the process of reduction and subsequent imaging examination, the fracture reduction device does not need to be disassembled, so that the fracture reduction device can be linked with the subsequent imaging examination.)

1. A fracture reduction device, comprising: the elbow fixing frame is used for fixing the elbow of a patient, and the hand fixing frame is used for fixing the hand of the patient;

the reduction frame is provided with an examination opening, the examination opening penetrates through the reduction frame along the direction vertical to the horizontal plane, and the examination opening is used for facing the wrist joint and the distal radius of the patient.

2. The fracture reduction device of claim 1, wherein the reduction frame comprises a first frame and a second frame, the elbow mount is connected to the first frame, the hand mount is connected to the second frame, the first frame and the second frame enclose the examination opening, the first frame and the second frame are connected by a first connection structure, the first connection structure is used for enabling the second frame to rotate around a first axis relative to the first frame, the first axis is parallel to a horizontal plane, and the first axis is perpendicular to the extension direction of the forearm of the patient;

the first frame body and the second frame body are fixed through a first locking structure, and the first locking structure is used for preventing the second frame body from rotating relative to the first frame body.

3. The fracture reduction device of claim 2, wherein the first connection structure comprises a first bolt, the first locking structure comprises a first nut, a center line of the first bolt is parallel to a horizontal plane and perpendicular to an extending direction of the forearm of the patient, and a screw of the first bolt penetrates through the first frame body and the second frame body in sequence and is connected with the first nut.

4. The fracture reduction device of claim 2, wherein the first frame is coupled to the elbow mount by a second coupling structure configured to rotate the first frame relative to the elbow mount about a second axis, the second axis being parallel to a horizontal plane, and the second axis being parallel to a direction of extension of the forearm of the patient;

the first frame and the elbow mount are secured by a second locking structure for preventing the first frame from rotating relative to the elbow mount.

5. The fracture reduction device of claim 4, wherein the second connecting structure comprises a second bolt, the second locking structure comprises a second nut, a centerline of the second bolt is parallel to the extending direction of the forearm of the patient, one end of the second bolt is fixedly connected with the elbow fixing frame, the second bolt penetrates through the first frame body, and one end of the second bolt, which is far away from the elbow fixing frame, is connected with the second nut.

6. The fracture reduction apparatus according to claim 4, wherein the first frame body comprises a base frame and a traction frame, the base frame is connected with the elbow fixing frame, the traction frame is disposed between the base frame and the second frame body, one end of the traction frame facing the hand fixing frame is connected with the second frame body, one end of the traction frame facing away from the hand fixing frame is connected with the base frame through a third connecting structure, and the third connecting structure is used for enabling the traction frame to slide relative to the base frame along the extension direction of the forearm of the patient;

and a third locking structure is arranged between the base frame and the traction frame and is used for preventing the traction frame from sliding relative to the base frame along the extension direction of the forearm of the patient.

7. The fracture reduction device of claim 6, wherein the third connection structure comprises a sliding bar disposed on the base frame and a sliding groove disposed on the traction frame, the central line of the sliding bar is parallel to the horizontal plane and perpendicular to the extension direction of the forearm of the patient, the extension direction of the sliding groove is parallel to the extension direction of the forearm of the patient, and the sliding bar is slidably disposed in the sliding groove;

the third locking structure comprises a first positioning hole arranged on the base frame, a plurality of second positioning holes arranged on the traction frame and fixing columns penetrating through the first positioning hole and the second positioning holes, and the plurality of second positioning holes are arranged at intervals along the extension direction of the forearm of the patient.

8. The fracture reduction device of claim 6, wherein a tension detection device is disposed between the base frame and the traction frame, the tension detection device being configured to detect a tension between the base frame and the traction frame when the traction frame slides relative to the base frame.

9. The fracture reduction device according to claim 2, wherein the hand fixing frame is connected with the second frame body through a third bolt, the extension direction of the third bolt is perpendicular to the horizontal plane, the bottom of the third bolt is rotatably connected with the second frame body, and the top of the third bolt is fixedly connected with the hand fixing frame.

10. The fracture reduction device according to claim 9, wherein a fourth bolt is disposed between the hand fixing frame and the third bolt, a center line of the fourth bolt is parallel to a horizontal plane, one end of the fourth bolt is fixedly connected with the hand fixing frame, the other end of the fourth bolt penetrates through the third bolt, and the other end of the fourth bolt is rotatably connected with the top of the third bolt.

Technical Field

The embodiment of the invention relates to the technical field of medical instruments, in particular to a fracture reduction device.

Background

Fractures around the wrist joint are common clinically and occur in the elderly. With the increase of the life expectancy of the average population and the aging population, the incidence of fracture around the wrist joint is on the rise year by year.

In the related art, a fracture reduction device is often used to reduce the fracture around the wrist joint, and the fracture reduction device comprises a forearm support plate and a hand traction torsion mechanism, wherein the forearm support plate is connected with the hand traction torsion mechanism. When the fracture around the wrist joint is reset, the forearm of a patient is placed on the forearm supporting plate, the hand is fixed on the hand traction and torsion mechanism, and the fracture position and posture are adjusted through traction and/or torsion of the hand traction and torsion mechanism, so that the fractured bone is reset.

However, when the reduction condition of the fracture needs to be judged through the imaging examination, the forearm supporting plate and the hand traction torsion mechanism are shielded below the wrist joint of the patient, and the fracture reduction device needs to be detached from the arm of the patient to perform the imaging examination on the fracture around the wrist joint, so that the fracture reduction device is difficult to be connected with the subsequent imaging examination.

Disclosure of Invention

In view of this, the embodiment of the present invention provides a fracture reduction device to solve the technical problem that the fracture reduction device in the related art is difficult to connect with the subsequent imaging examination.

The embodiment of the invention provides a fracture reduction device, which comprises: the elbow fixing frame is used for fixing the elbow of a patient, and the hand fixing frame is used for fixing the hand of the patient; the reduction frame is provided with an examination opening, the examination opening penetrates through the reduction frame along the direction vertical to the horizontal plane, and the examination opening is used for facing the wrist joint and the distal radius of the patient.

In some embodiments, which may include the above embodiments, the reduction frame includes a first frame body and a second frame body, the elbow mount is connected with the first frame body, the hand mount is connected with the second frame body, the first frame body and the second frame body enclose the examination opening, the first frame body and the second frame body are connected through a first connecting structure, the first connecting structure is used for enabling the second frame body to rotate around a first axis relative to the first frame body, the first axis is parallel to a horizontal plane, and the first axis is perpendicular to the extending direction of the forearm of the patient; the first frame body and the second frame body are fixed through a first locking structure, and the first locking structure is used for preventing the second frame body from rotating relative to the first frame body.

In some embodiments, which may include the above embodiments, the first connecting structure includes a first bolt, the first locking structure includes a first nut, a center line of the first bolt is parallel to a horizontal plane, and a center line of the first bolt is perpendicular to an extending direction of a forearm of a patient, and a screw of the first bolt penetrates through the first frame and the second frame in sequence and is connected to the first nut.

In some embodiments, which may include the above embodiments, the first frame and the elbow mount are coupled by a second coupling structure for rotating the first frame relative to the elbow mount about a second axis, the second axis being parallel to a horizontal plane, and the second axis being parallel to a direction of extension of the forearm of the patient; the first frame and the elbow mount are secured by a second locking structure for preventing the first frame from rotating relative to the elbow mount.

In some embodiments, which may include the above embodiments, the second connecting structure includes a second bolt, the second locking structure includes a second nut, a center line of the second bolt is parallel to an extending direction of the forearm of the patient, one end of the second bolt is fixedly connected to the elbow fixing frame, the second bolt penetrates through the first frame body, and one end of the second bolt, which faces away from the elbow fixing frame, is connected to the second nut.

In some embodiments, which may include the above embodiments, the first frame body includes a base frame and a traction frame, the base frame is connected to the elbow mount, the traction frame is disposed between the base frame and the second frame body, an end of the traction frame facing the hand mount is connected to the second frame body, an end of the traction frame facing away from the hand mount is connected to the base frame by a third connecting structure, and the third connecting structure is used for enabling the traction frame to slide relative to the base frame along the extending direction of the forearm of the patient; and a third locking structure is arranged between the base frame and the traction frame and is used for preventing the traction frame from sliding relative to the base frame along the extension direction of the forearm of the patient.

In some embodiments, which may include the above-mentioned embodiments, the third connecting structure includes a sliding bar disposed on the base frame, and a sliding groove disposed on the traction frame, a center line of the sliding bar is parallel to a horizontal plane, and a center line of the sliding bar is perpendicular to an extending direction of the forearm of the patient, an extending direction of the sliding groove is parallel to an extending direction of the forearm of the patient, and the sliding bar is slidably disposed in the sliding groove; the third locking structure comprises a first positioning hole arranged on the base frame, a plurality of second positioning holes arranged on the traction frame and fixing columns penetrating through the first positioning hole and the second positioning holes, and the plurality of second positioning holes are arranged at intervals along the extension direction of the forearm of the patient.

In some embodiments, which may include the above embodiments, a tension detecting device is disposed between the base frame and the traction frame, and the tension detecting device is configured to detect a tension between the base frame and the traction frame when the traction frame slides relative to the base frame.

In some embodiments, which may include the above embodiments, the hand fixing frame is connected to the second frame body through a third bolt, an extending direction of the third bolt is perpendicular to a horizontal plane, a bottom of the third bolt is rotatably connected to the second frame body, and a top of the third bolt is fixedly connected to the hand fixing frame.

In some embodiments, which may include the above embodiments, a fourth bolt is disposed between the hand fixing frame and the third bolt, a center line of the fourth bolt is parallel to a horizontal plane, one end of the fourth bolt is fixedly connected to the hand fixing frame, the other end of the fourth bolt penetrates through the third bolt, and the other end of the fourth bolt is rotatably connected to a top of the third bolt.

The fracture reduction device provided by the embodiment of the invention comprises a reduction frame, an elbow fixing frame and a hand fixing frame, wherein the elbow fixing frame and the hand fixing frame are connected to the reduction frame; the reduction frame is provided with an examination opening, the examination opening penetrates through the reduction frame along the direction perpendicular to the horizontal plane, the examination opening is used for rightly aligning the wrist joint and the distal radius of the patient, the imaging examination is carried out on the wrist joint and the distal radius of the patient through the examination opening, the fracture reduction device does not need to be disassembled, and the fracture reduction device can be continuously adjusted through the imaging examination result until the reduction effect is satisfactory. In the process of reduction and subsequent imaging examination, the fracture reduction device does not need to be disassembled, so that the fracture reduction device can be linked with the subsequent imaging examination.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a first schematic structural view of a fracture reduction device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a fracture reduction device provided in the embodiment of the present invention.

Description of reference numerals:

10. a reset frame; 20. An elbow fixing rack;

30. a hand mount; 101. A first frame body;

102. a base frame; 103. A traction frame;

104. a second frame body; 105. An inspection opening;

106. a first bolt; 107. A first nut;

108. a second bolt; 109. A second nut;

110. a slide bar; 111. A tension detection device;

112. a third bolt; 113. A fourth bolt;

201. an upper arm positioning plate; 202. A forearm support plate;

203. an upper arm fixing band; 204. A forearm fixing strap.

Detailed Description

First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications.

Next, it should be noted that in the description of the embodiments of the present invention, the terms of direction or positional relationship indicated by the terms "inside", "outside", and the like are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or member must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. Specific meanings of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The fracture around the wrist joint includes fracture at the far end of the radius, fracture at the far end of the ulna and the like, and the fracture around the wrist joint is very common in clinic and is higher than that of the old. With the increase of the life expectancy of the average population and the aging population, the incidence of fracture around the wrist joint is on the rise year by year. To relieve pain of patients and create conditions for subsequent treatment, fracture around the wrist joint needs emergency reduction.

The reduction mode of fracture around the wrist joint is mainly manual reduction, needs abundant clinical experience and skillful operation techniques, is completed by two to three doctors in cooperation, and serious consequences such as poor reduction, deformed healing, tendon rupture, carpal tunnel syndrome, traumatic arthritis, chronic local pain syndrome and the like can occur if the reduction is improper. In addition, only one orthopedic doctor who attends duty at night in many hospitals in China, such as fracture around the wrist joint, can only delay reduction, inevitably increase the pain of patients and delay treatment.

In addition to manual reduction, fractures around the wrist joint can also be reduced by fracture reduction devices. The fracture reduction device in the related technology comprises a forearm supporting plate and a hand traction and torsion mechanism, wherein the forearm supporting plate is hinged with the hand traction and torsion mechanism. When the fracture around the wrist joint is reset, the forearm of a patient is placed on the forearm supporting plate, the hand is fixed on the hand traction and torsion mechanism, and the position and the posture of the broken bone are adjusted through traction and/or torsion of the hand traction and torsion mechanism, so that the broken bone is reset.

After the fracture reduction device is used for reducing the fracture, the reduction condition of the fracture is usually judged through imaging examination (X-ray, CT or magnetic resonance), and the upper part and the lower part of the fracture part are required to be not shielded during the imaging examination so as to be beneficial to imaging the fracture part.

However, since the forearm support plate and the hand traction torsion mechanism are shielded below the wrist joint of the patient, the patient cannot perform the imaging examination when wearing the fracture reduction device, the fracture reduction device must be detached from the arm of the patient, if the imaging examination result shows that the fracture reduction effect is not good, the fracture reduction device needs to be reused for reduction, and the reduction process is complex.

The embodiment provides a fracture resetting means, through set up the inspection mouth on the reset frame, the inspection mouth is just to patient's wrist joint and radius distal end, and the upper and lower of inspection mouth all does not have and shelters from, can carry out the imaging inspection to fracture around the wrist joint through the inspection mouth, need not to dismantle fracture resetting means to make fracture resetting means can link up subsequent imaging inspection.

As shown in fig. 1, the present embodiment provides a fracture reduction device, which includes a reduction frame 10, an elbow fixing frame 20 connected to the reduction frame 10, and a hand fixing frame 30 connected to the reduction frame 10, wherein the elbow fixing frame 20 is used for fixing an elbow of a patient, the hand fixing frame 30 is used for fixing a hand of the patient, and the reduction frame 10 is used for pulling and/or twisting a fracture around a wrist joint of the patient to adjust the position and posture of the wrist joint, so as to reduce the fractured bone.

As shown in FIG. 2, the elbow mount 20 may include a forearm support plate 202 and an upper arm positioning plate 201, the forearm support plate 202 being parallel to the horizontal plane, the forearm support plate 202 being for supporting the forearm of the patient; the upper arm positioning plate 201 is vertical to the forearm supporting plate 202, and the upper arm positioning plate 201 is used for limiting the position of the upper arm of the patient; the forearm support plate 202 and the upper arm positioning plate 201 enclose into the accommodation space, and the elbow accommodation of patient is in the accommodation space, and one side that the upper arm positioning plate 201 deviates from the accommodation space is connected with the reset frame 10.

With continued reference to FIG. 2, the elbow mount 20 may further include a forearm strap 204 and an upper arm strap 203, the forearm strap 204 being disposed on the forearm support plate 202, the forearm strap 204 being for securing the forearm of the patient; an upper arm fixing strap 203 is arranged on the upper arm positioning plate 201, and the upper arm fixing strap 203 is used for fixing the upper arm of the patient.

With reference to fig. 1, the reduction frame 10 is provided with an inspection opening 105, the inspection opening 105 penetrates through the reduction frame 10 along a direction perpendicular to the horizontal plane, the inspection opening 105 is used for facing the wrist joint and the distal radius end of the patient, the wrist joint and the distal radius end of the patient are subjected to imaging examination through the inspection opening 105, the fracture reduction device does not need to be detached, and the fracture reduction device can be continuously adjusted through the result of the imaging examination until the reduction effect is satisfactory.

The fracture reduction device in the embodiment comprises a reduction frame 10, an elbow fixing frame 20 and a hand fixing frame 30, wherein the elbow fixing frame 20 is connected to the reduction frame 10, the elbow fixing frame 20 is used for fixing the elbow of a patient, and the hand fixing frame 30 is used for fixing the hand of the patient; the reduction frame 10 is provided with an inspection opening 105, the inspection opening 105 penetrates through the reduction frame 10 along the direction perpendicular to the horizontal plane, the inspection opening 105 is used for righting the wrist joint and the distal radius end of a patient, righting imaging examination is carried out on the wrist joint and the distal radius end of the patient through the inspection opening 105 (examination light penetrates through the wrist joint and the distal radius end of the patient along the direction perpendicular to the horizontal plane), the fracture reduction device does not need to be detached, and the fracture reduction device can be continuously adjusted through the result of the imaging examination until the reduction effect is satisfactory. In the process of reduction and subsequent imaging examination, the fracture reduction device does not need to be disassembled, so that the fracture reduction device can be linked with the subsequent imaging examination. With continued reference to fig. 1, in some embodiments, the reduction frame 10 includes a first frame 101 and a second frame 104, the elbow mount 20 is connected to the first frame 101, the hand mount 30 is connected to the second frame 104, the first frame 101 and the second frame 104 enclose an examination opening 105, the first frame 101 and the second frame 104 are connected by a first connection structure, the first connection structure is configured to enable the second frame 104 to rotate relative to the first frame 101 about a first axis, the first axis is parallel to a horizontal plane, and the first axis is perpendicular to an extending direction of the forearm of the patient. In the process that the second frame body 104 rotates relative to the first frame body 101 by taking the first axis as the center, the hand of the patient swings up and down relative to the forearm, so that the position and the posture of the broken bone at the wrist joint of the patient are adjusted, and the broken bone is reset.

The first and second bodies 101 and 104 are fixed by a first locking structure for preventing the second body 104 from rotating with respect to the first body 101.

Specifically, the first connecting structure may include a first bolt 106, the first locking structure includes a first nut 107, a center line of the first bolt 106 is parallel to the horizontal plane, and a center line of the first bolt 106 is perpendicular to the extending direction of the forearm of the patient, a screw of the first bolt 106 sequentially penetrates through the first frame body 101 and the second frame body 104 and then is connected with the first nut 107, and an end of the first bolt 106 abuts against a side of the first frame body 101 departing from the second frame body 104.

When the fracture reduction device is used, the elbow of the patient is lapped on the elbow fixing frame 20, the hand is lapped on the hand fixing frame 30, and the palm or the back of the hand of the patient can be lapped on the hand fixing frame 30 according to the fracture condition at the wrist joint of the patient. The first nut 107 is rotated to separate the first nut 107 from the second frame 104, and at this time, the second frame 104 can be rotated around the first axis with respect to the first frame 101, and according to the fracture condition around the wrist joint of the patient, the second frame 104 is manually rotated to a proper position, and then the first nut 107 is rotated to attach the first nut 107 to the second frame 104, and the first nut 107 is tightened to prevent the second frame 104 from rotating around the first axis with respect to the first frame 101.

Alternatively, the first connecting structure may include a first positioning pillar disposed on the first frame body 101, the first positioning pillar may be cylindrical, a center line of the first positioning pillar is parallel to a horizontal plane, and an extending direction of the first positioning pillar is perpendicular to an extending direction of the forearm of the patient. One end and the first support body 101 rigid coupling of first locating column, first locating column run through second support body 104, and the one end that first locating column deviates from first support body 101 extends to outside the second support body 104, and the one end that first locating column deviates from first support body 101 is buckled and with second support body 104 butt.

When the fracture reduction device is used, the second frame body 104 is manually rotated, the second frame body 104 rotates relative to the first frame body 101 by taking the central line of the first positioning column as the center, and the second frame body 104 is rotated to a proper position according to the fracture condition around the wrist joint of a patient.

In implementations where the first connection structure may include a first positioning post disposed on the first frame body 101, the first locking structure may include a first fixing hole disposed on the second frame body 104 and a plurality of second fixing holes disposed on the first positioning post, a center line of the first fixing hole coincides with a diameter of the first positioning post, and the first fixing hole penetrates through the second frame body 104. The center line of the second fixing hole is also coincided with the diameter of the first positioning column. The first locking structure further includes a second positioning column disposed in the first fixing hole and the second fixing hole in a penetrating manner, so that the second positioning column is disposed in the first fixing hole and the second fixing hole in a penetrating manner when the center line of the first fixing hole and the center line of the second fixing hole are collinear in the process that the second frame body 104 rotates relative to the first frame body 101 by taking the first axis as the center, so as to prevent the second frame body 104 from rotating relative to the first frame body 101 by taking the first axis as the center.

In some embodiments, the first frame 101 is coupled to the elbow mount 20 via a second coupling structure configured to rotate the first frame 101 with respect to the elbow mount 20 about a second axis, the second axis being parallel to a horizontal plane, and the second axis being parallel to a direction of extension of the forearm of the patient. In the process that the first frame body 101 rotates around the second axis relative to the elbow fixing frame 20, the hand of the patient swings left and right relative to the forearm, so as to adjust the position and posture of the broken bone at the wrist joint of the patient, and the broken bone is reset.

The first frame 101 is secured to the elbow mount 20 by a second locking structure configured to prevent the first frame 101 from rotating relative to the elbow mount 20.

Specifically, the second connecting structure includes a second bolt 108, the second locking structure includes a second nut 109, a center line of the second bolt 108 is parallel to the extending direction of the forearm of the patient, one end of the second bolt 108 is fixedly connected to the elbow fixing frame 20, the second bolt 108 penetrates through the first frame body 101, and one end of the second bolt 108 departing from the elbow fixing frame 20 is connected to the second nut 109.

When using the fracture resetting means, the elbow of patient is taken on elbow mount 20, the hand is taken on hand mount 30, rotate second nut 109, make second nut 109 and first support body 101 separation, first support body 101 can use the second axis to rotate as the center for elbow mount 20 this moment, according to the fracture condition of patient's wrist joint, manually rotate first support body 101, after to suitable position, rotate second nut 109, make second nut 109 and first support body 101 laminate, and tighten second nut 109, in order to prevent that first support body 101 from using the second axis to rotate as the center for elbow mount 20, with the gesture of wrist joint is fixed.

Alternatively, the second locking structure may further include a third fixing hole provided on the first frame body 101, and a plurality of fourth fixing holes provided on the second bolt 108, a center line of the third fixing hole coincides with a diameter of the second bolt 108, and the third fixing hole penetrates through the first frame body 101. The center line of the fourth fixing hole also coincides with the diameter of the second bolt 108. The second locking structure further includes a third positioning column penetrating through the third fixing hole and the fourth fixing hole, so that the third positioning column penetrates through the third fixing hole and the fourth positioning hole when the first frame body 101 rotates relative to the elbow fixing frame 20 by taking the second axis as a center and the center lines of the third fixing hole and the fourth fixing hole are collinear, and the first frame body 101 is prevented from rotating relative to the elbow fixing frame 20 by taking the second axis as a center.

With continued reference to fig. 1, the first frame 101 may include a base frame 102 and a traction frame 103, the base frame 102 is connected to the elbow fixing frame 20, the traction frame 103 is disposed between the base frame 102 and the second frame 104, an end of the traction frame 103 facing the hand fixing frame 30 is connected to the second frame 104, an end of the traction frame 103 facing away from the hand fixing frame 30 is connected to the base frame 102 through a third connection structure, and the third connection structure is configured to enable the traction frame 103 to slide along an extending direction of the forearm of the patient relative to the base frame 102 so as to traction the wrist joint of the patient, thereby restoring the fractured bone.

A third locking structure is arranged between the base frame 102 and the traction frame 103, the third locking structure is used for preventing the traction frame 103 from sliding relative to the base frame 102 along the extension direction of the forearm of the patient, after the wrist joint of the patient is drawn to a proper position by using the third connecting structure according to the fracture condition of the wrist joint of the patient, the relative positions of the traction frame 103 and the base frame 102 are locked by the third locking structure, so that the wrist joint of the patient is fixed in a drawing state, and the fractured bone is reset.

Specifically, the third connecting structure comprises a sliding rod 110 arranged on the base frame 102 and a sliding groove arranged on the traction frame 103, the center line of the sliding rod 110 is parallel to the horizontal plane, the center line of the sliding rod 110 is perpendicular to the extending direction of the forearm of the patient, the extending direction of the sliding groove is parallel to the extending direction of the forearm of the patient, and the sliding rod 110 is slidably arranged in the sliding groove.

The slide bar 110 may be plural, and the plural slide bars 110 are disposed at intervals along the extending direction of the forearm of the patient, and exemplarily, the number of the slide bars 110 may be two, so as to prevent the traction frame 103 from rotating relative to the base frame 102.

The third locking structure comprises a first positioning hole arranged on the base frame 102, a plurality of second positioning holes arranged on the traction frame 103, and a fixing column penetrating through the first positioning hole and the second positioning holes, wherein the extension direction of the fixing column is parallel to the extension direction of the slide bar 110, and the plurality of second positioning holes are arranged at intervals along the extension direction of the forearm of the patient.

The fixing posts may include fixing pins, or fixing bolts, which can be inserted into the first positioning holes and the second positioning holes and fixed to the base frame 102 and the traction frame 103 after the traction frame 103 is moved relative to the base frame 102 in the extending direction of the forearm of the patient.

When the fracture reduction device is used, the elbow of a patient is lapped on the elbow fixing frame 20, the hand is lapped on the hand fixing frame 30, the traction frame 103 is pulled manually, the sliding groove slides along the extending direction of the forearm of the patient relative to the sliding rod 110, so that the wrist joint of the patient is pulled, after the wrist joint of the patient is pulled to a proper position, the first positioning hole and the second positioning hole are right aligned, the first positioning column is inserted into the first positioning hole and the second positioning hole, the relative sliding between the traction frame 103 and the base frame 102 is limited, the traction on the wrist joint of the patient is realized, and the traction is fixed between the traction frame 103 and the base frame 102 after the traction is completed.

Alternatively, the third connecting structure may comprise a rotating rod rotatably connected to the base frame 102, the center line of the rotating rod being parallel to the horizontal plane, and the center line of the rotating rod being perpendicular to the extending direction of the forearm of the patient. Third connection structure is still including setting up the sliding hole on traction frame 103, and the extending direction of sliding hole is parallel with the extending direction of patient's forearm, and the sliding hole has roof and diapire, is provided with the rack on roof and the diapire, and outside the dwang deviates from basic frame 102 one end extends to basic frame 102, is connected with the gear on the dwang, and the gear holding is in the sliding hole, and wheel and rack toothing.

Outside the dwang deviates from the one end of basic frame 102 can also extend to traction frame 103, the knob can be connected to the tip that the dwang deviates from basic frame 102, rotatory knob to make dwang and gear revolve.

When the fracture reduction device is used, the elbow of a patient is lapped on the elbow fixing frame 20, the hand is lapped on the hand fixing frame 30, the knob is rotated, the gear is rotated, and when the gear is rotated, the gear is meshed with the rack, so that the traction frame 103 is driven to reversely slide along the extension of the forearm of the patient relative to the base frame 102, and the wrist joint of the patient is pulled.

With continued reference to fig. 1, in some embodiments, a tension detection device 111 is disposed between the base frame 102 and the traction frame 103, and the tension detection device 111 is configured to detect a tension between the base frame 102 and the traction frame 103 when the traction frame 103 slides relative to the base frame 102.

The tension detection device 111 may include a spring scale, one end of the spring scale is connected to the base frame 102, the other end of the spring scale is connected to the traction frame 103, and when the wrist joint of the patient is not being pulled, the spring of the spring scale is in the original length; when the traction frame 103 slides relative to the base frame 102 along the extending direction of the forearm of the patient, the spring of the spring balance generates elastic deformation, and the corresponding elastic force is displayed on the display screen of the spring balance so as to indicate the displacement of the traction frame 103 relative to the base frame 102, thereby reflecting the traction force of the traction frame 103 on the wrist joint of the patient.

The tension detecting device 111 can also be a tension sensor, which is disposed between the base frame 102 and the traction frame 103 to detect the tension between the base frame 102 and the traction frame 103, so as to reflect the traction force of the traction frame 103 to the wrist joint of the patient.

In some embodiments, the base frame 102 includes two first connection bars parallel to the extension direction of the forearm of the patient, the center lines of the two first connection bars are both parallel to the horizontal plane, the two first connection bars are spaced apart, the base frame 102 further includes a second connection bar connected between the two first connection bars, the second connection bar may be perpendicular to the first connection bar; for example, the first and second connecting rods may be in an "i" shape. The base frame 102 further includes a connecting plate perpendicular to the horizontal plane, the bottom of the connecting plate is connected to the two first connecting rods, and the elbow fixing frame 20 is connected to the connecting plate.

The traction frame 103 comprises two third connecting rods, the two third connecting rods are parallel to the first connecting rods, the two third connecting rods are arranged at intervals, the traction frame further comprises a fourth connecting rod, the fourth connecting rod is connected between the two third connecting rods, and the fourth connecting rod can be perpendicular to the third connecting rods. Illustratively, the traction frame 103 may be in the shape of an "I".

The first connecting rod on the side where the second connecting rod deviates from the connecting plate is connected with the third connecting rod on the side where the fourth connecting rod deviates from the hand fixing frame 30, illustratively, the third connecting structure is connected between one first connecting rod and the corresponding third connecting rod, and the tension detecting device 111 is connected between the other first connecting rod and the corresponding third connecting rod.

The second frame body 104 can include an arc-shaped connecting rod and a fifth connecting rod connected at two ends of the arc-shaped connecting rod, the fifth connecting rod is parallel to the third connecting rod, and the circle center of the arc-shaped connecting rod is located in the inspection opening. The third connecting rod and the fifth connecting rod located on one side of the fourth connecting rod facing the hand fixing frame 30 are connected through a first connecting structure, and an inspection opening 105 is defined between the traction frame 103 and the second frame body 104.

When the fracture reduction device is used, the elbow of a patient is lapped on the elbow fixing frame 20, the hand is lapped on the hand fixing frame 30, the projections of the forearm and the palm of the patient in the direction perpendicular to the horizontal plane are both positioned above the projection of the reduction frame 10 in the direction perpendicular to the horizontal plane, namely, the two sides of the forearm and the palm of the patient are not shielded by the reduction frame 10, so that the fracture reduction device is not required to be disassembled, the right-position imaging examination can be carried out on the wrist joint and the distal radius end of the patient (the examination light passes through the wrist joint and the distal radius end of the patient in the direction perpendicular to the horizontal plane), and the side-position imaging examination can be carried out on the wrist joint and the distal radius end of the patient (the examination light passes through the wrist joint and the distal radius end of the patient in the direction parallel to the horizontal plane).

Moreover, if the imaging examination result shows that the fracture reduction effect is satisfactory, plaster can be applied to the position from the lower part of the elbow joint to the transverse striation of the palm of the patient under the condition of not disassembling the fracture reduction device.

In the process of fracture reduction, imaging examination and plaster fixation through the fracture reduction device, the fracture reduction device does not need to be detached from the arm of a patient, the fracture is prevented from being displaced again due to the fact that the fracture reduction device is detached before plaster fixation is completed, the treatment time is saved, and the pain of the patient is relieved.

With continued reference to fig. 2, in some embodiments, the hand holder 30 is connected to the second holder 104 by a third bolt 112, the third bolt 112 extends in a direction perpendicular to the horizontal plane, the bottom of the third bolt 112 is rotatably connected to the second holder 104, and the top of the third bolt 112 is fixedly connected to the hand holder 30.

When the fracture reduction device is used, the elbow of the patient is placed on the elbow fixing frame 20, the hand is placed on the hand fixing frame 30, and the third bolt 112 is rotated to rotate the hand fixing frame 30 around the center line of the third bolt 112, so that the wrist joint of the patient is twisted to reduce the fractured bone.

In some embodiments, a fourth bolt 113 is disposed between the hand fixing frame 30 and the third bolt 112, a center line of the fourth bolt 113 is parallel to the horizontal plane, one end of the fourth bolt 113 is fixedly connected to the hand fixing frame 30, the other end of the fourth bolt 113 penetrates through the third bolt 112, and the other end of the fourth bolt 113 is rotatably connected to the top of the third bolt 112.

When the fracture reduction device is used, the elbow of the patient is placed on the elbow fixing frame 20, the hand is placed on the hand fixing frame 30, and the third bolt 112 is rotated so that the hand fixing frame 30 is rotated about the center line of the third bolt 112 to twist the wrist joint of the patient, thereby reducing the fractured bone.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.