CN210447322U

CN210447322U - Double-rod traction lower radius fracture fixing brace

Info

Publication number: CN210447322U
Application number: CN201920768694.1U
Authority: CN
Inventors: 邓蕴源
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-05-05
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a double-rod traction radius lower extreme fracture fixation brace, including forearm fixed part and the palm fixed part that is telescopic form, all be equipped with fixing bandage on forearm fixed part and the palm fixed part, be connected with two at least telescopic rotary telescopic rods between forearm fixed part and the palm fixed part. This double-rod traction radius lower extreme fracture fixation brace, a fixed for wrist joint fracture, forearm fixed part and palm fixed part cup joint respectively in forearm and palm, tie up firmly fixedly through fixing bandage, forearm fixed part and palm fixed part are connected to rotatory telescopic link, can maintain distance and angle between the two, thereby effectively maintain the length and the wrist joint chi angle of radius distal end fracture forearm, and provide sufficient traction force, avoid radius lower extreme fracture shortening, rotatory telescopic link is extensible or shortens through revolving soon, thereby adjust traction distance and angle, this utility model is used for the medical instrument field.

Description

Double-rod traction lower radius fracture fixing brace

Technical Field

The utility model relates to the field of medical appliances, in particular to a double-rod traction lower radius fracture fixation brace.

Background

Fracture refers to the continuous complete or partial fracture of bone structure, and is a relatively serious trauma. The healing of the fracture takes a long time, and thus it is necessary to maintain the correct position after the fracture is reduced by means of an external fixation device to prevent the bone structure from being displaced. Among them, the distal radius fracture is a common fracture, and the fracture is within 3 cm from the distal radius joint surface. For distal radius fractures, the conventional conservative treatment auxiliary device generally adopts fir barks, willow splints or plaster splints to prevent bone structure displacement, but the fixing device does not have a traction effect on the distal radius comminuted fractures with short flexion and extension and cannot effectively maintain the length of the comminuted fractures.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a double-rod traction radius lower extreme fracture fixation brace is provided, the length and the wrist joint ulnar deviation angle of radius distal end fracture forearm can be effectively maintained, and sufficient traction force can be provided, the shortening of radius lower extreme fracture is avoided.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a double-rod traction radius lower extreme fracture fixation brace, is including being telescopic forearm fixed part and palm fixed part, all is equipped with fixing bandage on forearm fixed part and the palm fixed part, is connected with two at least telescopic rotary telescopic rods between forearm fixed part and the palm fixed part.

Preferably, the rotary telescopic rod comprises a sleeve, a rotary piece and a threaded rod piece, wherein the sleeve is hinged to the forearm fixing portion in a universal mode, the rotary piece is connected with the sleeve in a rotating mode, the threaded rod piece is hinged to the palm fixing portion in a universal mode, and the rotary piece is connected with the threaded rod piece in a threaded mode.

Preferably, the sleeve is provided with scale marks corresponding to scale values, the sleeve is further provided with scale marks for indicating the scales, and the sleeve is provided with a slot for avoiding the scale marks.

Preferably, the rotating part is provided with a clamping groove, the sleeve is internally provided with an inner protrusion clamped with the clamping groove, the threaded rod piece penetrates through the rotating part, and the scale mark is fixedly connected to the end part of the threaded rod piece.

Preferably, the rotating member rotates for one circle, the rotating telescopic rod extends or shortens for 1mm, and the maximum adjusting length of the rotating telescopic rod is 55 mm.

Preferably, the rotating element is provided with a screwing part convenient for screwing, and the screwing part is provided with anti-slip patterns.

Preferably, the screw part is provided with a direction mark indicating a rotational elongation direction.

Preferably, the forearm fixing part and the palm fixing part are both provided with a plurality of air holes.

Preferably, the material of the forearm fixing part and the palm fixing part adopts light thermoplastic setting material.

Preferably, still include a plurality of splint and bandage, the forearm is fixed to the splint, and the bandage twines the splint, and forearm fixed part and palm fixed part cup joint respectively in forearm and palm.

The utility model has the advantages that: this double-rod traction radius lower extreme fracture fixation brace, a fixed for wrist joint fracture, forearm fixed part and palm fixed part cup joint respectively in forearm and palm, tie up firmly fixedly through fixing bandage, rotatory telescopic link connects forearm fixed part and palm fixed part, can maintain distance and angle between the two, thereby effectively maintain the length and the wrist joint ulnar deviation angle of radius distal end fracture forearm, and provide sufficient traction force, avoid radius lower extreme fracture foreshortening, rotatory telescopic link is extensible or shortens through revolving soon, thereby adjust traction distance and angle.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of the rotating telescopic rod according to the embodiment of the present invention;

fig. 3 is a sectional view of the embodiment of the present invention.

Detailed Description

Referring to fig. 1 to 3, the present invention relates to a double-rod traction fixing support for lower end fracture of radius, which comprises a sleeve-shaped forearm fixing portion 10 and a palm fixing portion 20, wherein the forearm fixing portion 10 and the palm fixing portion 20 are both provided with a fixing band, and at least two telescopic rotary telescopic rods 30 are connected between the forearm fixing portion 10 and the palm fixing portion 20.

This double-rod traction radius lower extreme fracture fixation brace, mainly used wrist joint fracture's is fixed, forearm fixed part 10 and palm fixed part 20 cup joint respectively in forearm and palm, tie up fixedly through fixing band, rotatory telescopic link 30 connects forearm fixed part 10 and palm fixed part 20, can maintain distance and angle between the two, thereby effectively maintain the length and the inclined to one side angle of wrist joint chi of radius distal end fracture forearm, and provide sufficient traction force, avoid radius lower extreme fracture foreshortening, rotatory telescopic link 30 is through twisting to twist extendible or shorten, thereby adjust and pull distance and angle. In this embodiment, there are 2 rotating telescoping rods 30.

Preferably, the forearm fixing part 10 and the palm fixing part 20 are made of a light thermoplastic setting material, and the light thermoplastic setting material is softened by heating and is set after cooling, so that the forearm fixing part can adapt to different hand shapes. In this embodiment, the light thermoplastic molding material is made of a polymer material, such as polyethylene, polypropylene, polystyrene, and the like.

Preferably, the device further comprises a plurality of clamping plates and bandages, wherein the clamping plates are used for fixing the forearms, the bandages are wound on the clamping plates to preheat the forearm fixing parts 10 and the palm fixing parts 20, then the clamping plates are respectively sleeved on the fractured forearms and palms, then the fixing bandages are used for binding and fixing, the cooling and shaping device is connected with the rotary telescopic rod 30, and the distance and the angle are adjusted through the rotary telescopic rod 30. In this embodiment, fixing band adopts the magic subsides, and is fixed through pasting.

Preferably, the rotating and telescoping rod 30 includes a sleeve 31 universally hinged to the forearm fixing portion 10, a rotating member 32 rotatably connected to the sleeve 31, and a screw member 33 universally hinged to the palm fixing portion 20, and the rotating member 32 is screw-connected to the screw member 33. The sleeve 31 and the end of the screw rod 33 are provided with universal hinged seats 34, which are fixed on the forearm fixing part 10 and the palm fixing part 20 respectively by using screws or bonding, so as to install and fix the rotating telescopic rod 30 as a whole. The rotating member 32 is connected with the screw rod 33 in a threaded manner, so that when the rotating member 32 is screwed, the rotating member 32 can move along the screw rod 33 and drive the sleeve 31 to move, so that the distance between the fixed end of the sleeve 31 and the fixed end of the screw rod 33 is adjusted and maintained constant, the length of the forearm and the wrist joint ulnar deviation angle of the distal radius fracture are effectively maintained, and deformation in the fracture recovery process is prevented.

Preferably, the sleeve 31 is provided with scale marks 40, the scale marks 40 correspond to scale values, and a scale mark 50 for indicating the scale is further provided, and the sleeve 31 is provided with a slot 311 for avoiding the scale mark 50. The rotating part 32 is screwed, the telescopic rod 30 is rotated to extend or shorten for a certain distance, and the scale marks 50 are positioned at the corresponding scale marks 40 to indicate corresponding scales, so that the adjusted length can be visually known, and the adjustment is accurate.

Preferably, a clamping groove is formed in the rotating part 32, an inner protrusion 62 clamped with the clamping groove is arranged in the sleeve 31, or a protrusion is arranged on the rotating part 32, and a clamping groove matched with the protrusion is arranged in the sleeve 31, so that the sleeve 31 and the rotating part 32 are rotatably connected. The screw rod 33 passes through the rotary member 32, and the scale mark 50 is fixedly attached to the end of the screw rod 33. The rotating member 32 is connected with the screw rod 33 in a threaded manner, the rotating member 32 is screwed, and the rotating member 32 and the sleeve 31 move, so that the scale mark 50 and the scale mark 40 on the sleeve 31 form relative movement to realize scale indication.

Preferably, the rotating member 32 rotates once, the rotating telescopic rod 30 extends or shortens 1mm, the adjusting precision is high, the maximum adjusting length of the rotating telescopic rod 30 is 55mm, and the adjusting stroke is large.

Preferably, the rotating member 32 is provided with a screwing portion 321, and the screwing portion 321 is provided with an anti-slip pattern to facilitate screwing operation of the rotating member 32.

Preferably, the screw portion 321 is provided with a direction mark 322 indicating a rotational extending direction. Due to the fact that the adjusting precision is high, the rotating telescopic rod 30 cannot be easily found to be stretched out or shortened in a small-range screwing mode, the extending direction of the rotating telescopic rod can be clearly and correctly screwed through the direction mark 322, and operation errors and errors in distance and angle adjustment are prevented.

Preferably, the forearm fixing part 10 and the palm fixing part 20 are provided with a plurality of ventilation holes 70 to facilitate ventilation and prevent discomfort of skin.

Preferably, the palm fixing portion 20 is provided with a finger hole 21 for passing a thumb.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

Of course, the invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and these equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. The utility model provides a double-rod traction radius lower extreme fracture fixation brace which characterized in that: including forearm fixed part and the palm fixed part that is cover tube-shape, all be equipped with fixing bandage on forearm fixed part and the palm fixed part, be connected with two at least telescopic rotary telescopic rod between forearm fixed part and the palm fixed part.

2. The double rod traction lower radius fracture fixation brace of claim 1, wherein: rotatory telescopic link include with the universal articulated sleeve of forearm fixed part, with the rotatory rotating member of connecting and with the universal articulated screw member of palm fixed part, rotating member and screw member threaded connection.

3. The double rod traction lower radius fracture fixation brace of claim 2, wherein: the sleeve is provided with scale marks corresponding to scale values, and is further provided with scale marks indicating scales, and the sleeve is provided with a groove for avoiding the scale marks.

4. The double rod distraction lower radius fracture fixation brace of claim 3, wherein: the rotary member is provided with a clamping groove, the sleeve is internally provided with an inner bulge connected with the clamping groove in a clamped mode, the threaded rod piece penetrates through the rotary member, and the scale mark is fixedly connected to the end portion of the threaded rod piece.

5. The double rod distraction lower radius fracture fixation brace of claim 3, wherein: the rotating part rotates for a circle, the rotating telescopic rod extends or shortens for 1mm, and the maximum adjusting length of the rotating telescopic rod is 55 mm.

6. The double rod traction lower radius fracture fixation brace of claim 2, wherein: the rotating piece is provided with a screwing part convenient for screwing, and the screwing part is provided with anti-skid patterns.

7. The double rod distraction lower radius fracture fixation brace of claim 6, wherein: the screwing part is provided with a direction mark indicating the rotating extension direction.

8. The double rod traction lower radius fracture fixation brace of claim 1, wherein: the forearm fixing part and the palm fixing part are both provided with a plurality of air holes.

9. The double rod traction lower radius fracture fixation brace of claim 1, wherein: the forearm fixing part and the palm fixing part are made of light thermoplastic shaping materials.

10. The double-rod traction lower radius fracture fixation brace of any one of claims 1-9, wherein: still include a plurality of splint and bandage, the forearm is fixed to the splint, the bandage winding splint, forearm fixed part and palm fixed part cup joint respectively in forearm and palm.