阅读说明：本技术 一种下肢长骨用骨折复位机构 (Fracture reduction mechanism for lower limb long bone ) 是由 张新星 杨庆华 巫少龙 刘俊杰 李雨健 于 2020-05-28 设计创作，主要内容包括：本发明公开了一种下肢长骨用骨折复位机构,包括上架、下架和控制器,上架和下架间连接有若干根朝向不同方向设置的电推杆,上架和下架上设置有若干根用于连接骨头的连接组件,控制器与电推杆通信连接。用电脑控制多根电推杆引导骨骼复位,操作精确,减少骨骼间因磨损而产生二次伤,且可保证复位的精确度,使患者更好的恢复。设备使用简单,复位时无需人工操作,其他手术在协作时,也对人体伤害较小。通过多根电推杆联动的方式带动上架和下架,能输出更大的力矩,且能使上架和下架上各个点受力平稳,不会在手术时产生偏移,保证手术能精确进行。(The invention discloses a fracture reduction mechanism for a long bone of a lower limb, which comprises an upper frame, a lower frame and a controller, wherein a plurality of electric push rods which are arranged towards different directions are connected between the upper frame and the lower frame, a plurality of connecting assemblies for connecting bones are arranged on the upper frame and the lower frame, and the controller is in communication connection with the electric push rods. The bone is guided to reset by the computer-controlled electric push rods, the operation is accurate, secondary injury caused by abrasion among bones is reduced, the resetting accuracy can be ensured, and a patient can be better recovered. The device is simple to use, manual operation is not needed during resetting, and other operations are less harmful to human bodies during cooperation. The mode through many electric push rods linkages drives upper bracket and lower carriage, can export bigger moment, and enables each point atress on upper bracket and the lower carriage steady, can not produce the skew when the operation, guarantees that the operation can be accurately gone on.)

1. The utility model provides a fracture canceling release mechanical system for lower limbs long bone which characterized in that: including upper bracket (1), lower carriage (2) and controller, be connected with electric push rod (3) that a plurality of orientation equidirectionals set up between upper bracket (1) and lower carriage (2), be provided with coupling assembling (4) that a plurality of roots are used for connecting the bone on upper bracket (1) and lower carriage (2), controller and electric push rod (3) communication connection.

2. The fracture reduction mechanism for a long leg bone according to claim 1, wherein: coupling assembling (4) are including connecting rod (41), spliced pole (42) and lock nut (43), set up threaded hole (44) on upper bracket (1) and lower carriage (2), the bottom of spliced pole (42) is provided with first double-screw bolt (45), first double-screw bolt (45) and screw hole (44) threaded connection, the upper portion of spliced pole (42) is provided with the external screw thread, lock nut (43) and external screw thread threaded connection, connecting rod (41) are connected on the lateral wall of spliced pole (42).

3. The fracture reduction mechanism for a long leg bone according to claim 1, wherein: the electric push rod (3) and the upper frame (1) or the lower frame (2) are provided with a connecting mechanism (5) therebetween, the connecting mechanism (5) comprises a connecting seat (51), a first connecting ring (52), a bolt (54), a connecting nut (55) and two second connecting rings (53), the first connecting ring (52) is fixed at one end of the connecting seat (51), a second stud (56) is arranged at the other end of the connecting seat (51), the second stud (56) is in threaded connection with a threaded hole (44), the two second connecting rings (53) are respectively fixed at two ends of the electric push rod (3), the bolt (54) penetrates through the first connecting ring (52) and the second connecting ring (53) and then is connected with the connecting nut (55), and the electric push rod (3) is connected with the upper frame (1) or the lower frame (2).

4. The fracture reduction mechanism for a long leg bone according to claim 3, wherein: the upper frame (1) comprises a plurality of arc-shaped connecting sleeves (11) and connecting strips (12), wherein the connecting sleeves (11) and the connecting strips (12) are connected end to form the annular upper frame (1).

5. The fracture reduction mechanism for a long leg bone according to claim 4, wherein: an extension bar (57) is connected to the output end of the electric push rod (3), and the second connecting ring (53) is arranged at one end, back to the electric push rod (3), of the extension bar (57).

Technical Field

The invention relates to a medical instrument, in particular to a fracture reduction mechanism for a long bone of a lower limb.

Background

Reduction is needed after fracture of long bones of lower limbs such as leg bones, but the strength needed for reduction of the lower limbs is very large, 4-5 doctors are needed for cooperation, and secondary damage is easily caused to bones in the process of restoration.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a fracture reduction mechanism for a long bone of a lower limb, which simplifies reduction operation and reduces injury in operation.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a long bone of low limbs is with fracture canceling release mechanical system, includes upper bracket, lower carriage and controller, is connected with the electric push rod that a plurality of orientation equidirectionals set up between upper bracket and lower carriage, is provided with a plurality of coupling assembling that are used for connecting the bone on upper bracket and the lower carriage, controller and electric push rod communication connection.

As a further improvement of the invention, the connecting assembly comprises a connecting rod, a connecting column and a locking nut, threaded holes are formed in the upper frame and the lower frame, a first stud is arranged at the bottom of the connecting column and is in threaded connection with the threaded holes, an external thread is arranged at the upper part of the connecting column, the locking nut is in threaded connection with the external thread, and the connecting rod is connected to the side wall of the connecting column.

As a further improvement of the invention, a connecting mechanism is arranged between the electric push rod and the upper frame or the lower frame, the connecting mechanism comprises a connecting seat, a first connecting ring, a bolt, a connecting nut and two second connecting rings, the first connecting ring is fixed at one end of the connecting seat, a second stud is arranged at the other end of the connecting seat and is in threaded connection with the threaded hole, the two second connecting rings are respectively fixed at two ends of the electric push rod, the bolt penetrates through the first connecting ring and the second connecting ring and then is connected with the connecting nut, and the electric push rod is connected with the upper frame or the lower frame.

As a further improvement of the invention, the upper frame comprises a plurality of arc-shaped connecting sleeves and connecting strips, and the connecting sleeves and the connecting strips are connected end to form the annular upper frame.

As a further improvement of the invention, the output end of the electric push rod is connected with an extension rod, and the second connecting ring is arranged at one end of the extension rod, which is back to the electric push rod.

The bone resetting device has the advantages that the computer is used for controlling the plurality of electric push rods to guide the bone to reset, the operation is accurate, secondary injury caused by abrasion among bones is reduced, the resetting accuracy can be ensured, and a patient can be better recovered. The device is simple to use, manual operation is not needed during resetting, and other operations are less harmful to human bodies during cooperation. The mode through many electric push rods linkages drives upper bracket and lower carriage, can export bigger moment, and enables each point atress on upper bracket and the lower carriage steady, can not produce the skew when the operation, guarantees that the operation can be accurately gone on.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a block diagram of a connection assembly;

fig. 3 is a structural view of the connection mechanism.

Detailed Description

The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.

Referring to fig. 1 to 3, the fracture reduction mechanism for the long lower limb bone of the present embodiment includes an upper frame 1, a lower frame 2 and a controller, wherein a plurality of electric push rods 3 facing different directions are connected between the upper frame 1 and the lower frame 2, a plurality of connecting assemblies 4 for connecting bones are arranged on the upper frame 1 and the lower frame 2, and the controller is in communication connection with the electric push rods 3.

As an improved specific embodiment, the connecting assembly 4 includes a connecting rod 41, a connecting column 42 and a locking nut 43, threaded holes 44 are formed in the upper frame 1 and the lower frame 2, a first stud 45 is arranged at the bottom of the connecting column 42, the first stud 45 is in threaded connection with the threaded hole 44, an external thread is arranged on the upper portion of the connecting column 42, the locking nut 43 is in threaded connection with the external thread, and the connecting rod 41 is connected to the side wall of the connecting column 42.

When the skeleton is reset, a doctor firstly obtains the fracture information of a patient by X-rays, then inputs the fracture information of the patient into a computer, then the computer analyzes the route, and gives the installation position of the electric push rods 3 and the operation position of the patient, the doctor prepares the surgical instruments according to the computer analysis and punches corresponding hole sites on the skeleton of the patient, the hole sites can be directly inserted into the connecting rods 41 or firstly penetrated by bone through nails, then the connecting rods 41 are connected with the bone through nails, after the connection is completed, the equipment is started, and the computer controls the electric push rods 3 to move or link in sequence, so that the position between the upper frame 1 and the lower frame 2 moves according to the planned route, and the skeleton is reset. After the reduction is completed, the doctor can make plaster fixation or internal skeleton support fixation according to the condition. Through the steps, the skeleton is guided to reset by the plurality of electric push rods 3 controlled by the computer, the operation is accurate, secondary injury caused by abrasion among the skeletons is reduced, the resetting accuracy can be ensured, and the patient can be better recovered. The device is simple to use, manual operation is not needed during resetting, and other operations are less harmful to human bodies during cooperation. The mode through many electric push rods 3 linkages drives upper bracket 1 and lower carriage 2, can export bigger moment, and enables each point atress on upper bracket 1 and the lower carriage 2 steady, can not produce the skew when the operation, guarantees that the operation can accurately go on.

During installation, according to a given position of a computer, a doctor connects the first stud 45 with the corresponding threaded hole 44 in a threaded manner, the connecting rod 41 can be inserted into the connecting column 42 in a pin hole manner or directly welded on the connecting column 42, and the locking nut 43 can be installed between the connecting rod 41 and the upper frame 1 or the lower frame 2 to play a supporting role, so that the stability of connection between the connecting rod 41 and the connecting column 42 is enhanced, and the locking nut can also be used for assisting in adjusting the position of the connecting rod 41, so that more motion tracks of the connecting rod 41 can be selected.

As a modified specific embodiment, a connection mechanism 5 is arranged between the electric push rod 3 and the upper frame 1 or the lower frame 2, the connection mechanism 5 includes a connection seat 51, a first connection ring 52, a bolt 54, a connection nut 55 and two second connection rings 53, the first connection ring 52 is fixed at one end of the connection seat 51, a second stud 56 is arranged at the other end of the connection seat 51, the second stud 56 is in threaded connection with the threaded hole 44, the two second connection rings 53 are respectively fixed at two ends of the electric push rod 3, the bolt 54 passes through the first connection ring 52 and the second connection ring 53 and then is connected with the connection nut 55, so as to connect the electric push rod 3 with the upper frame 1 or the lower frame 2.

When the connector is installed, the second stud 56 is connected with the threaded hole 44, whether the angle of the second connection ring 53 meets computer programming or not is noticed when the connection is completed, and the second stud 56 can be further fixed by a nut after the connection is completed, so that the connection seat 51 is not easy to displace. After the connection seats 51 of the upper and lower frames 1 and 2 are installed, the second connection rings 53 of both ends of the electric push rod 3 are aligned with the corresponding first connection rings 52, respectively, and then locked by the bolts 54 and the connection nuts 55 to complete the installation. Through the above manner, the upper frame 1, the lower frame 2 and the electric push rods 3 are connected, and the angles of the first connecting ring 52 and the second connecting ring 53 are conveniently adjusted, so that the electric push rods 3 can move according to a preset angle, and the plurality of electric push rods 3 are linked, so that the upper frame 1 and the lower frame 2 can push bones to move according to a planned route.

As a modified specific embodiment, the upper frame 1 comprises a plurality of arc-shaped connecting sleeves 11 and connecting strips 12, and the connecting sleeves 11 and the connecting strips 12 are connected end to form the annular upper frame 1.

The upper frame 1 is formed by the connecting sleeves 11 and the connecting rings, so that the size of the upper frame 1 can be conveniently adjusted, and the requirements of broken bones of different sizes are met. When the upper frame 1 is assembled, the connecting bar 12 and the connecting sleeve 11 can be fixed by using a stud, and if necessary, other bolts 54 can be added for fixing.

As a modified embodiment, an extension bar 57 is connected to the output end of the electric push rod 3, and the second connection ring 53 is disposed at an end of the extension bar 57 opposite to the electric push rod 3.

Through the setting of extension bar 57, make electric push rod 3's length adjustable to can enrich electric push rod 3 and promote the route of putting on the shelf 1 and putting off the shelf 2 angle changes, make equipment can accomplish the broken bone of more situations and reset.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.