CN211023057U

CN211023057U - Auxiliary device for bone fracture

Info

Publication number: CN211023057U
Application number: CN201922032275.4U
Authority: CN
Inventors: 王连栋; 陈红梅; 司君涛
Original assignee: Beijing Wandong Medical Technology Co ltd
Current assignee: Beijing Wandong Medical Technology Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-07-17
Anticipated expiration: 2029-11-21

Abstract

The utility model provides a coaptation auxiliary device belongs to the medical instrument field. The auxiliary device for the bone fracture comprises a fixing support, a clamping module, a traction module and a twisting module. The clamping module comprises a first clamping assembly and a second clamping assembly, and the first clamping assembly and the second clamping assembly are connected with the fixed support respectively and used for clamping limbs. The traction module is arranged on the fixed support, is connected with the first clamping assembly and/or the second clamping assembly and is used for driving the first clamping assembly and the second clamping assembly to approach or depart from each other. The torsion module is connected with the first clamping assembly and/or the second clamping assembly and used for driving the corresponding clamping assemblies to rotate. According to actual needs, the traction module is used for carrying out micro axial movement on two ends of the fracture, and the torsion module is used for carrying out circumferential micro rotation on the solid state, so that accurate resetting of the two ends of the fracture is realized. The bone fracture auxiliary device is adopted to ensure that the reduction and the positioning of the two ends of the fracture are more convenient.

Description

Auxiliary device for bone fracture

Technical Field

The utility model relates to a medical field particularly, relates to a coaptation auxiliary device.

Background

When treating a patient with fracture, the two ends of the fracture are reset firstly, and then the fracture is fixed by a steel nail and a bone fracture plate. The fracture two-end reduction positioning needs extremely high precision, when manual butt joint is adopted, the traction and torsion strength and direction of the two ends can cause inaccurate reduction of the fracture if slight difference exists, the bone block can be displaced again in serious cases, and the risk after operation is increased; causing emotional fluctuation of the patient and bringing a plurality of negative effects to the operation. Therefore, there is a high necessity for an auxiliary bone fixation device that is easy to adjust.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coaptation auxiliary device, it can be fixed fracture patient's limbs to carry out the bone position to needs butt joint according to the actual state of an illness and adjust, thereby be convenient for treat.

The utility model discloses a realize like this:

a bone assist device comprising:

fixing a bracket;

the clamping module comprises a first clamping assembly and a second clamping assembly, and the first clamping assembly and the second clamping assembly are respectively connected with the fixed support and used for clamping limbs;

the traction module is arranged on the fixed support, is connected with the first clamping assembly and/or the second clamping assembly and is used for driving the first clamping assembly and the second clamping assembly to approach or depart from each other;

and the torsion module is connected with the first clamping assembly and/or the second clamping assembly and is used for driving the corresponding clamping assembly to rotate.

Further, the method comprises the following steps of; the traction module comprises a first driving mechanism, a second driving mechanism and two guide rails which are oppositely arranged at intervals, and the guide rails are connected with the fixed bracket;

the first driving mechanism and the second driving mechanism are arranged on two sides of the first clamping assembly, one end of the first driving mechanism and one end of the second driving mechanism are connected with the fixed support respectively, and the other end of the first driving mechanism and the other end of the second driving mechanism are connected with the first clamping assembly respectively.

Further, the method comprises the following steps of; the traction module further comprises a third driving mechanism and a fourth driving mechanism;

the third driving mechanism and the fourth driving mechanism are arranged on two sides of the first clamping assembly, one end of the third driving mechanism and one end of the fourth driving mechanism are connected with the fixed support respectively, and the other end of the third driving mechanism and the other end of the fourth driving mechanism are connected with the second clamping assembly respectively.

Further, the method comprises the following steps of; the first driving mechanism, the second driving mechanism and the third driving mechanism are all telescopic mechanisms.

Further, the method comprises the following steps of; the traction module comprises a first mounting frame and a third mounting frame which are arranged on one guide rail in a sliding mode, and a second mounting frame and a fourth mounting frame which are arranged on the other guide rail in a sliding mode;

the first clamping assembly and the second clamping assembly are both cylindrical, and two sides of the first clamping assembly are respectively arranged in the first mounting frame and the second mounting frame and can enable the first clamping assembly and the second clamping assembly to rotate along the axis of the first clamping assembly; the first driving mechanism and the second driving mechanism are respectively connected with the first mounting frame and the second mounting frame;

the two sides of the second clamping assembly are respectively installed in a third installation frame and a fourth installation frame and can rotate around the axis of the second clamping assembly, and the third driving mechanism and the fourth driving mechanism are respectively connected with the third installation frame and the fourth installation frame.

Further, the method comprises the following steps of; the first torsion assembly comprises a first connecting plate and a first power piece, and two ends of the first connecting plate are respectively connected with the first mounting frame and the second mounting frame; the first power part is arranged on the first connecting plate and used for driving the first clamping assembly to rotate;

the second torsion assembly comprises a second connecting plate and a second power piece, and two ends of the second connecting plate are connected with the third mounting frame and the fourth mounting frame; the second power part is arranged on the second connecting plate and used for driving the second clamping assembly to rotate.

Further, the method comprises the following steps of; the first torsion assembly further comprises a first gear in driving connection with the first clamping assembly;

the second torsion assembly further comprises a second gear, and the second gear is in transmission connection with the second clamping assembly.

Further, the method comprises the following steps of; the first clamping assembly and the second clamping assembly respectively comprise an arc-shaped upper fixing plate and an arc-shaped lower fixing plate; one end of the upper fixing plate is hinged with one end of the lower fixing plate, and the other end of the upper fixing plate is detachably connected with the other end of the lower fixing plate; and the two lower fixing plates are respectively connected with the fixing bracket.

Further, the method comprises the following steps of; and air bags are arranged on the clamping surfaces of the first clamping assembly and the second clamping assembly.

Further, the method comprises the following steps of; the air bag is detachably connected with the first clamping assembly and the second clamping assembly.

The utility model provides a technical scheme's beneficial effect is:

the utility model discloses a coaptation auxiliary device that above-mentioned design obtained, during the use, first centre gripping subassembly and second centre gripping subassembly are used for the both ends at centre gripping fracture position respectively. According to actual needs, the traction module is used for carrying out micro axial movement on two ends of the fracture, and the torsion module is used for carrying out circumferential micro rotation on the solid state, so that accurate resetting of the two ends of the fracture is realized. The bone fracture auxiliary device is adopted to ensure that the reduction and the positioning of the two ends of the fracture are more convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic diagram of the overall structure of a bone-knitting assisting device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a traction module according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a torsion plate in a torsion module and a clamping assembly provided in an embodiment of the present invention;

fig. 4 is a schematic structural view of an upper fixing plate and a lower fixing plate in the clamping assembly according to an embodiment of the present invention.

Icon: 100-a traction module; 111-a first drive mechanism; 112-a third drive mechanism; 113-a first mounting frame; 114-a third mounting frame; 115-a guide wheel; 116-a first guide rail; 121-a second drive mechanism; 122-a fourth drive mechanism; 123-a second mounting frame; 124-a fourth mount; 125-a second guide rail; 200-a torsion module; 211-a first power member; 212-a first connection plate; 213-a first gear; 221-a second power member; 222-a second connecting plate; 223-a second gear; 300-a clamping module; 310-a first clamping assembly; 311-upper fixing plate; 313-lower fixing plate; 314-twist plate; 312-an air bag; 320-a second clamping assembly; 400-fixing the bracket; 500-bottom plate.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Example (b):

referring to fig. 1, the present embodiment provides a bone-knitting assisting device, which mainly includes a fixing frame 400, and a clamping module 300, a traction module 100 and a torsion module 200 mounted on the fixing frame 400; the clamping module 300 is used for clamping two ends of the fracture, the traction module 100 is used for traction of the two ends of the fracture to make axial micro-movement, and the torsion module 200 is used for making the two ends of the fracture to make micro-circumferential rotation; the two ends of the fracture can be accurately reset through axial movement and axial rotation.

Specifically, referring to fig. 1 and 2, the fixing bracket 400 is a rectangular frame structure formed by connecting sectional materials, and a bottom plate 500 is further disposed at the bottom of the fixing bracket. The traction module 100 is mounted within the frame structure and includes four drive mechanisms, four mounting brackets, and two oppositely spaced rails. The two guide rails include a first guide rail 116 and a second guide rail 125, the two guide rails are respectively connected to the inner sides of the two long sides of the fixed bracket 400, and each guide rail is provided with two mounting racks; the mounting bracket is free to slide on rails for mounting the clamping assembly in the clamping module 300. The four driving mechanisms are respectively connected to two ends of the guide rail, and each driving mechanism is connected with the corresponding mounting frame and used for driving the mounting frame to slide along the guide rail. The actuating mechanism in this embodiment is telescopic structure, specifically has adopted the cylinder. The mounting frame in the embodiment is of a U-shaped plate structure and comprises two mounting plates which are oppositely arranged at intervals and a sliding part which is used for being in sliding connection with the guide rail; the mounting plate is arranged perpendicular to the guide rail.

For convenience of description, the four driving mechanisms are named as a first driving mechanism 111, a second driving mechanism 121, a third driving mechanism 112, and a fourth driving mechanism 122, respectively; the four mounts are named as a first mount 113, a second mount 123, a third mount 114, and a third mount 114, respectively.

Referring to fig. 1, 3 and 4, the clamping module 300 includes two clamping assemblies, namely a first clamping assembly 310 and a second clamping assembly 320, which are both openable tubular structures; when the device is opened, the fractured limb can be placed in the device, and when the device is closed, the limb can be clamped. The axial directions of the clamping assemblies are both parallel to the rail direction, wherein both sides of the first clamping assembly 310 are respectively installed in the first and second mounting

brackets

113 and 123, and both sides of the second clamping assembly 320 are respectively installed in the third and fourth mounting

brackets

114 and 124. The clamping assembly is capable of rotating about its axis when mounted in the mounting bracket. To facilitate rotation of the clamping assembly, guide wheels 115 are provided on the inner side of the mounting plate of the mounting bracket.

The first clamping assembly 310 and the second clamping assembly 320 have the same structure, and each of the first clamping assembly and the second clamping assembly includes an upper fixing plate 311, a lower fixing plate 313 and a torsion plate 314, and the three plates are semi-circular arc-shaped. One end of the upper fixing plate 311 is hinged with one end of the lower fixing plate 313, and the other end is detachably connected; the lower fixing plate 313 is fixedly coupled to an inner surface of the torsion plate 314. Both sides of the torsion plate 314 are mounted in mounting brackets on both sides. Air bags 312 are arranged on the inner walls of the upper fixing plate 311 and the lower fixing plate 313; wherein, the air bags 312 on the upper fixing plate 311 and the lower fixing plate 313 are connected and fixed by magic tape. The air cells 312 are independent of each other, and each air cell 312 includes three independent air flow passages, each of which is controlled independently, thereby accommodating fracture sites of different diameters.

Further, the auxiliary device for bone fracture further comprises a controller and four pressure sensors, wherein the four pressure sensors are respectively used for detecting the pressures of the four air bags 312 and transmitting pressure signals to the controller; the controller controls the amount of inflation of the bladder 312 in response to the pressure signal.

The twist module 200 includes a first twist assembly and a second twist assembly, which are connected to the two clamp assemblies, respectively, for driving the clamp assemblies to rotate about their own axes. The first torsion assembly includes a first connection plate 212, a first power member 211 and a first gear 213, wherein both ends of the first connection plate 212 are respectively connected with the first mounting bracket 113 and the second mounting bracket 123, which are fixedly connected into a whole. The first power member 211 employs a swing cylinder, which is mounted on the first connection plate 212; the output shaft of the swing cylinder is connected to a first gear 213. A plurality of gear teeth are provided on an outer surface of the lower fixing plate 313 of the first clamping member 310, and the first gear 213 is engaged with the gear teeth of the first clamping member 310. The second torsion assembly has substantially the same structure as the first torsion assembly, and includes a second connecting plate 222, a second power member 221, and a second gear 223; correspondingly, a plurality of gear teeth are disposed on an outer surface of the lower fixing plate 313 of the second clamping assembly 320, an output shaft of the second power member 221 is connected with the second gear 223, and the second gear 223 is engaged with the gear teeth of the second clamping assembly 320.

When the device is used, a fracture part is placed in the first clamping assembly 310 and the second clamping assembly 320, two ends of the fracture part are preliminarily diagnosed and distinguished, the first driving mechanism 111 and the second driving mechanism 121 are respectively controlled to synchronously move and drive the first clamping assembly 310 to move, and the third driving mechanism 112 and the fourth driving mechanism 122 are controlled to drive the second clamping assembly 320 to move until the two ends of the fracture part preliminarily distinguished are moved. The air flow of the air bag 312 of the first clamping component 310 is controlled to pass through to fixedly clamp one end of the fracture part, and the air flow of the air bag 312 of the second clamping component 320 is controlled to pass through to fixedly clamp the other end of the fracture part. The rotation of the first torsion component or the second torsion component is guided and controlled by the X-ray computer tomography image processing equipment, and the first clamping component 310 or the second clamping component is driven

The second clamping assembly 320 carries the fracture site to twist in its entirety. In addition, the traction module 100 is controlled to move axially according to actual needs, so that the traction of the fracture part is realized, and the accurate reduction of the fracture part is further realized.

It should be noted that in other embodiments, the traction module 100 may also be a nut screw structure or other structure capable of driving the two clamping assemblies to move toward or away from each other; the power elements in the twist module 200 may also be motors.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A bone assist device, comprising:

fixing a bracket;

2. The bone assist device of claim 1 wherein the traction module includes a first drive mechanism, a second drive mechanism, and two oppositely spaced rails connected to the fixed bracket;

3. The bone assist device of claim 2 wherein the traction module further comprises a third drive mechanism and a fourth drive mechanism;

4. The bone assist device of claim 3 wherein the first drive mechanism, the second drive mechanism and the third drive mechanism are all telescoping mechanisms.

5. The bone attachment aid of claim 3 wherein the traction module includes first and third mounts slidably disposed on one of the rails, and second and fourth mounts slidably disposed on the other rail;

6. The bone-knitting aid of claim 5 wherein said torsion module includes a first torsion assembly and a second torsion assembly, said first torsion assembly including a first connecting plate and a first power member, said first connecting plate having opposite ends connected to said first and second mounting brackets, respectively; the first power part is arranged on the first connecting plate and used for driving the first clamping assembly to rotate;

7. The bone assist device of claim 6 wherein the first torsion assembly further comprises a first gear in driving connection with the first clamp assembly;

8. The bone attachment aid of claim 1 wherein the first and second clamp assemblies each include arcuate upper and lower fixation plates; one end of the upper fixing plate is hinged with one end of the lower fixing plate, and the other end of the upper fixing plate is detachably connected with the other end of the lower fixing plate; and the two lower fixing plates are respectively connected with the fixing bracket.

9. The bone attachment aid of claim 1 wherein a balloon is disposed on the clamping face of each of the first and second clamping assemblies.

10. The bone attachment aid of claim 9 wherein the balloon is removably connected to the first and second clamp assemblies.