CN113476195A

CN113476195A - Long bone fracture restorer

Info

Publication number: CN113476195A
Application number: CN202110863953.0A
Authority: CN
Inventors: 张鹏; 刘欣宇
Original assignee: Affiliated Hospital of Shandong University of Traditional Chinese Medicine
Current assignee: Affiliated Hospital of Shandong University of Traditional Chinese Medicine
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-10-08

Abstract

The invention relates to the technical field of medical equipment, and discloses a long bone fracture repositor, which comprises at least two fixing bodies, wherein each fixing body is formed by hinging a fixing ring and a movable ring, and the repositor also comprises: the movable connecting mechanism is arranged between the fixed bodies and comprises a plurality of fixed shells fixed on the end face edges of the fixed bodies; the clamping mechanism comprises a fixed box fixed on the fixed body, a telescopic box is arranged in the fixed box in a sliding mode, the telescopic box and the fixed box are connected in a limiting mode through a clamping piece, and an adjusting piece used for limiting the moving distance of the telescopic box is further mounted inside the fixed box. According to the bone reposition device, the movable connecting mechanism is arranged, so that the protection effect of bones in areas with different lengths on a long bone is realized, the clamping mechanism is arranged, the reposition protection effect of bones with different widths is realized, the application range of the reposition device is greatly enlarged, the whole device is convenient to disassemble, and the maneuverability is strong.

Description

Long bone fracture restorer

Technical Field

The invention relates to the technical field of medical equipment, in particular to a long bone fracture restorer.

Background

The fracture reduction is the basic operation of treating the fracture by the external fixation of the bone, and along with the improvement of instruments and the improvement of technical ideas, various adjusting functions and operation procedures of the fracture reduction device are newly developed, thereby not only facilitating the operation, but also meeting the requirements of the fracture reduction and various deformity correction to the maximum extent. The functions of fracture reduction and deformity correction are added by some instruments; the operation procedures are improved, such as the step implementation of the reduction and the orthopedic function, and the like.

However, the external bone fixator with improved reduction function is an auxiliary tool, and most of the external bone fixators rely on the intelligence and dexterity of doctors to perform the operation procedures of fracture reduction and deformity correction in the true sense. The key to the external fixation operation of the external fixation technique for fracture lies in how to maintain the reduction of fracture and facilitate the subsequent operation of external fixation of fracture, and the requirement that the operation of internal fixation in incision reduction is important, especially for comminuted fracture. Therefore, how to keep the continuous, stable, easy and free operation of the reduction and fixation of the long bone fracture is a fortunate matter for the operator and has practical significance for reducing the blood supply injury caused by the reduction of the fracture.

Disclosure of Invention

The invention aims to provide a long bone fracture restorer to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a long bone fracture restorer, includes two at least fixed bodies, fixed body is formed by solid fixed ring and loose ring are articulated, still includes:

the movable connecting mechanism comprises a plurality of fixed shells fixed on the end face edges of the fixed bodies, movable balls are movably arranged in the fixed shells, the movable balls are in limit connection with the fixed shells through clamping parts, and adjusting components are connected between the movable balls on the same axis;

the clamping mechanism comprises a fixed box fixed on the fixed body, a telescopic box is arranged in the fixed box in a sliding mode, the telescopic box is in limit connection with the fixed box through a clamping piece, and an adjusting piece used for limiting the moving distance of the telescopic box is further arranged in the fixed box.

As a further scheme of the invention: the joint portion is including setting up a plurality of movable bumps in the movable ball outside and setting up a plurality of fixed recesses at the set casing inboard, activity bump joint is in fixed recess.

As a further scheme of the invention: the adjusting component comprises connecting rods fixed on the movable balls, and sleeves are connected between the connecting rods through threaded portions.

As a further scheme of the invention: the screw thread portion comprises a positive thread area, a negative thread area and an internal thread hole, wherein the positive thread area and the negative thread area are arranged on two adjacent connecting rods, the internal thread hole is positioned inside the sleeve, and the thread turning directions of the positive thread area and the negative thread area are opposite.

As a further scheme of the invention: the fixed ring is hinged to one end of the movable ring through a hinge, the other end of the movable ring is provided with a connecting plate, and a fixing bolt is installed between the connecting plates.

As a further scheme of the invention: the inner side of the telescopic box is connected with a fixed body through a movable spring, and a cushion pad is arranged on the inner side of the telescopic box.

As a further scheme of the invention: the buckle part comprises a fixed buckle arranged on the fixed box and a movable buckle arranged on the telescopic box, and the fixed buckle and the movable buckle are matched with each other.

As a further scheme of the invention: the adjusting piece comprises an adjusting screw rod arranged on the fixing body, the adjusting screw rod is in threaded fit with the fixing body, and the adjusting screw rod positioned in the fixing box is in mutual contact with the cushion pad.

As a further scheme of the invention: adjusting screw keeps away from blotter one end installation adjust knob, and the adjust knob outside is equipped with a plurality of anti-skidding lines.

As a still further scheme of the invention: and a clamping ring is arranged at one end of the telescopic box far away from the fixed box.

Compared with the prior art, the invention has the beneficial effects that:

the long bone fracture restorer is reasonable in structure and novel in design, and through the movable connecting mechanism arranged, the protection effect of bones in regions with different lengths on long bones is realized, and the reset protection effect of bones with different widths is realized by arranging the clamping mechanism, so that the application range of the restorer is greatly increased, the whole device is convenient to disassemble, the operability is high, the stability is good, and the reliability is high.

Drawings

Fig. 1 is a schematic structural view of a long bone fracture repositor.

Fig. 2 is a side view of a fixing body in the long bone fracture repositor.

Fig. 3 is a partially enlarged structural diagram of a in fig. 2.

Fig. 4 is a schematic structural view of a clamping part in the long bone fracture repositor.

Fig. 5 is a schematic structural diagram of a clamping ring in the long bone fracture restorer.

In the figure: 1. a fixed body; 2. a connecting plate; 3. a clamping part; 4. a connecting rod; 5. a positive thread region; 6. a sleeve; 7. a fixing ring; 8. a movable ring; 9. a hinge; 10. air holes are formed; 11. a clamping ring; 12. a through hole; 13. adjusting a knob; 14. adjusting the screw rod; 15. a fixing box; 16. a movable spring; 17. a cushion pad; 18. a movable buckle; 19. fixing the buckle; 20. a stationary case; 21. a reverse-threaded region; 22. a movable ball; 23. fixing the groove; 24. a movable salient point; 25. a yielding groove; 26. fixing the bolt; 27. a telescopic box.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the invention, and further, the terms "first", "second", etc., are used only for descriptive purposes and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more of such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be communicated with each other, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

Referring to fig. 1 to 5, in an embodiment of the present invention, a long bone fracture repositor includes at least two fixing bodies 1, where the fixing bodies 1 are formed by hinging a fixing ring 7 and a movable ring 8, and further includes: the movable connecting mechanism is arranged between the fixed bodies 1 and comprises a plurality of fixed shells 20 fixed on the edges of the end faces of the fixed bodies 1, movable balls 22 are movably arranged in the fixed shells 20, the movable balls 22 are in limit connection with the fixed shells 20 through clamping parts 3, and adjusting components are connected between the movable balls 22 on the same axis; the setting is at a plurality of chucking mechanisms between the fixed body 1 inboard, chucking mechanism is including fixing fixed box 15 on fixed body 1, and fixed box 15 is inside to be slided and is provided with flexible box 27, through buckle spare spacing connection between flexible box 27 and the fixed box 15, fixed box 15 is inside still to be installed and is used for restricting the regulating part of flexible box 27 displacement, and is concrete, through the swing joint mechanism who sets up, has realized the guard action of the regional bone of different length on the long bone to set up chucking mechanism and realized the guard action that resets to the bone of different width, greatly increased the application scope of restorer, and whole device disassembles the convenience, and maneuverability is strong, and stability is good, and the reliability is high.

In the one aspect of this embodiment, joint portion 3 is including setting up a plurality of activity bumps 24 in the activity ball 22 outside and setting up a plurality of fixed recesses 23 in set casing 20 inboard, activity bump 24 joint is in fixed recesses 23, activity bump 24 adopts the silica gel material to make, and then makes activity bump 24 can carry out the deformation rotation of certain degree to the rotation limiting displacement of activity ball 22 in set casing 20 inside has been ensured.

In one case of this embodiment, the adjustment assembly comprises a connecting rod 4 fixed to the mobile ball 22, between which connecting rod 4 a sleeve 6 is connected by means of a threaded portion, in particular by rotating the sleeve 6 and by the action of the threaded portion making it possible to adjust the distance between the two connecting rods 4, thus ensuring the final adjustment of the distance between the two fixed bodies 1.

In one aspect of this embodiment, the thread portion includes a positive thread region 5 and a negative thread region 21 disposed on two adjacent connecting rods 4, and an internal thread hole located inside the sleeve 6, the thread turning directions of the positive thread region 5 and the negative thread region 21 are opposite, specifically, the rotational movement of the sleeve 6 is converted into the linear movement of the two connecting rods 4 by setting two thread regions with opposite turning directions, so as to realize the adjusting function of the adjusting assembly.

In the case of this embodiment, fixed ring 7 and activity ring 8 one end are articulated through hinge 9, and the other end is equipped with connecting plate 2, installation fixing bolt 26 between connecting plate 2, and is concrete, makes the position between two connecting plates 2 to fix through setting up fixing bolt 26 to the fixed action in position between fixed ring 7 and the activity ring 8 has finally been realized.

In one aspect of this embodiment, the fixing body 1 is connected to the inside of the telescopic box 27 through the movable spring 16, and the cushion pad 17 is installed inside the telescopic box 27, and in particular, the movable spring 16 is provided to ensure that the bottom of the adjusting screw 14 can effectively contact the cushion pad 17, and finally, the effective fixing and restoring effect of the clamping ring 11 on the bone can be ensured.

In one aspect of this embodiment, the fastener includes a fixed fastener 19 disposed on the fixed box 15 and a movable fastener 18 disposed on the retractable box 27, the fixed fastener 19 and the movable fastener 18 are mutually engaged, specifically, through the engagement between the movable fastener 18 and the fixed fastener 19, so that the retractable box 27 can not slip off the fixed box 15 when moving along the inside of the fixed box 15, thereby further increasing the reliability of the device.

In one aspect of the present embodiment, the adjusting member includes an adjusting screw 14 disposed on the fixing body 1, the adjusting screw 14 is in threaded engagement with the fixing body 1, the adjusting screw 14 inside the fixing box 15 is in contact with the cushion pad 17, and specifically, the adjusting screw 14 can be converted into a back and forth movement relative to the telescopic box 27 when rotating, so as to ensure the clamping and fixing effect of the clamping ring 11 on the bone.

In one aspect of this embodiment, the adjusting knob 13 is installed at one end of the adjusting screw 14 away from the cushion pad 17, a plurality of anti-slip patterns are arranged outside the adjusting knob 13, specifically, the adjusting screw 14 can be rotated by rotating the adjusting knob 13, and the anti-slip patterns are arranged to further increase the adjusting effect of the worker on the adjusting screw 14.

In one aspect of this embodiment, the end of the telescopic box 27 away from the fixing box 15 is provided with at least 4 clamp rings 11, and in particular, each fixing body 1 is provided with at least 4 clamp rings 11, so that bone can be fixed at multiple points better, and the reliability of the device is increased.

Example 2

In another embodiment of the present invention, the embodiment is different from the above embodiments in that a plurality of ventilation holes 10 are respectively formed in the middle positions of the fixing ring 7 and the movable ring 8, and a plurality of through holes 12 are also formed in the clamping ring 11, specifically, the ventilation effect of the whole repositor in use is realized by the through holes 12 and the ventilation holes 10, and the reliability of the device is further increased.

The working principle of the invention is as follows: the during operation is fixed two fixed bodies 1 respectively on long bone position, then through fixing bolt 26 for every fixed ring 7 and activity ring 8 of fixed body 1 are fixed, later through rotating adjusting screw 14, make a plurality of clamp ring 11 carry out effectual clamp tightly to the bone, then install sleeve 6 on two connecting rods 4, realized the spacing of the position between two fixed bodies 1, whole operation process is swift convenient.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a long bone fracture restorer, includes two at least fixed bodies, fixed body is formed by solid fixed ring and loose ring hinge, its characterized in that still includes:

2. The long bone fracture repositor according to claim 1, wherein said snap-fit portion comprises a plurality of movable protrusions disposed on the outer side of the movable ball and a plurality of fixing grooves disposed on the inner side of the fixing shell, said movable protrusions snap-fit into the fixing grooves.

3. The long bone fracture reducer of claim 1, wherein the adjustment assembly comprises connecting rods fixed to the movable ball, and a sleeve is connected between the connecting rods through a threaded portion.

4. A long bone fracture reduction device according to claim 3, wherein the threaded portion comprises a positive threaded region and a negative threaded region which are arranged on two adjacent connecting rods, and an internal threaded hole which is arranged inside the sleeve, and the thread directions of the positive threaded region and the negative threaded region are opposite.

5. The long bone fracture repositor according to claim 1, wherein the fixed ring and the movable ring are hinged at one end by a hinge, and at the other end, a connecting plate is provided, and a fixing bolt is installed between the connecting plates.

6. The long bone fracture repositor according to claim 1, wherein the inside of said telescopic box is connected with a fixed body through a movable spring, and a cushion is installed inside said telescopic box.

7. The long bone fracture repositor of claim 6, wherein the fastener comprises a fixed fastener disposed on the fixed box and a movable fastener disposed on the telescopic box, the fixed fastener and the movable fastener cooperating with each other.

8. The long bone fracture reduction apparatus according to claim 1, wherein the adjusting member comprises an adjusting screw rod disposed on the fixing body, the adjusting screw rod and the fixing body are in threaded engagement, and the adjusting screw rod and the cushion pad inside the fixing box are in contact with each other.

9. The long bone fracture reduction device according to claim 8, wherein the adjusting screw is provided with an adjusting knob at an end away from the cushion pad, and the adjusting knob is provided with a plurality of anti-slip threads on the outer side.

10. A long bone fracture reduction apparatus according to claim 9, wherein the end of the telescopic box remote from the fixed box is provided with a clamping ring.