CN219814450U

CN219814450U - Radius distal end fracture fixing device

Info

Publication number: CN219814450U
Application number: CN202321171030.XU
Authority: CN
Inventors: 马勤忠
Original assignee: Rocket Sergeant School Of Pla
Current assignee: Rocket Sergeant School Of Pla
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-10-13
Anticipated expiration: 2033-05-16

Abstract

The utility model belongs to the technical field of medical appliances, and particularly relates to a radius distal fracture fixing device. The robot comprises a big arm fixing framework, a small arm fixing framework, a palm fixing framework, a movable assembly and a wrist fixing assembly, wherein the big arm fixing framework and the small arm fixing framework are connected through the movable assembly, the small arm fixing framework and the palm fixing framework are fixedly connected, and the wrist fixing assembly is arranged on the palm fixing framework. The purpose is that: the arm of the patient with the wrist fracture is integrally fixed, and the wrist activity caused by the arm activity of the patient is prevented, so that the recovery effect is influenced.

Description

Radius distal end fracture fixing device

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a radius distal fracture fixing device.

Background

The distal radius fracture refers to a fracture within 3cm from the joint surface at the lower end of the radius, and the joint is a junction of cancellous bone and compact bone, belongs to an anatomical weak point, and is easy to cause fracture once suffering from external force. In general, distal radius fractures are commonly found in wrist fractures, and in the treatment process, the wrist of a patient needs to be fixed, and the traditional fixing mode is to fix the palm and the forearm of the patient together by using a gypsum board, and then to suspend the forearm in front of the chest of the patient by using a gauze belt to bypass the neck of the patient. On the one hand, the plaster board is adopted for fixation, the wrist still has a part of movement space, the wrist movement is unfavorable for the rehabilitation of a patient during the recovery period, and on the other hand, the mode of winding the gauze belt can bring certain inconvenience in the movement process of the patient. For example, when a patient sits down for dining, the arms are placed on the table, and the gauze belt is not contracted, so that the gauze belt can shrink in front of the chest of the patient, and the gauze belt is not attractive and is extremely easy to pollute.

Disclosure of Invention

The purpose of the utility model is that: aims to provide a radius distal end fracture fixing device which is used for solving the problems that in the prior art, when the wrist of a patient with wrist fracture is fixed by gypsum, the effect is poor, and the traditional gauze belt is not attractive and is easy to dirty.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

the utility model provides a radius distal end fracture fixation device, is including big arm fixed skeleton, the fixed skeleton of forearm, the fixed skeleton of palm portion, movable component and the fixed subassembly of wrist, link to each other through movable component between the fixed skeleton of big arm and the fixed skeleton of forearm, the fixed skeleton fixed connection of forearm and the fixed skeleton of palm portion, the fixed subassembly of wrist sets up on the fixed skeleton of palm portion.

Fix forearm and wrist respectively, fix the wrist on forearm fixed skeleton and palm portion fixed skeleton through wrist fixed subassembly, it is fixed effectual.

Preferably, the wrist fixing component comprises a palm restraint strap, and two ends of the palm restraint strap are arranged on the palm fixing framework. The palm restraint strap is used for restraining and fixing the palm of a patient, and wrist movement caused by movement of the palm of the patient is avoided.

Preferably, the wrist fixing assembly comprises a wrist fixing shell, and the wrist fixing shell is detachably arranged at the connecting position of the forearm fixing skeleton and the palm fixing skeleton. The wrist fixing device is arranged in such a way that the wrist fixing shell is pressed downwards to further fix the wrist of a patient, so that the wrist is prevented from moving, and the recovery effect is influenced.

Preferably, the wrist fixing housing is a semicircular housing, first clamping tongues are arranged on two side arms of the wrist fixing housing, and first clamping grooves are formed in the palm fixing framework. The wrist fixing shell is pressed down, the wrist can be fixed, and when the wrist fixing shell is taken down, the wrist fixing shell can be taken down only by pressing the first clamping tongue.

Preferably, the forearm fixing framework comprises two support rods which are arranged in parallel, a bearing piece is arranged between the support rods, connecting blocks are arranged at two ends of the support rods, the connecting blocks at the front ends of the support rods are fixedly connected with the palm fixing framework, and the connecting blocks at the rear ends of the support rods are connected with the forearm fixing framework through movable components;

a plurality of groups of forearm fixing straps are arranged above the support rods in parallel, and two ends of the forearm fixing straps are respectively connected with the two support rods. The arm fixing device is arranged in such a way that the arm of a patient is fixed on the arm fixing framework through the arm fixing belt, so that the arm, the palm and the wrist are fixed together.

The mounting groove is formed in the outer side wall of the rear end of the support rod, a first coil spring is fixedly connected in the mounting groove, one end of a front arm hanging strip is fixedly connected to the first coil spring, a second clamping tongue is fixedly connected to the other end of the front arm hanging strip, and a second clamping groove is formed in the inner side wall of the front end of the support rod. The arrangement makes the forearm suspension belt telescopic, more convenient and beautiful.

Preferably, the two connecting blocks are provided with sliding grooves, and two ends of the supporting rod are respectively arranged in the sliding grooves of the two connecting blocks in a sliding manner. The setting is like this, and the whole size of convenient forearm fixed skeleton according to patient's forearm size automatically regulated, and fixed effect is better.

Preferably, the movable component comprises a U-shaped adjusting seat, the short side of the back of the U-shaped adjusting seat is rotationally connected with a big arm fixing framework, crown gears are fixedly connected to the opposite surfaces of the two long sides of the U-shaped adjusting seat, a rotating shaft is rotationally arranged on the U-shaped adjusting seat, the rotating shaft penetrates through the two crown gears, limiting blocks are fixedly connected to the rotating shaft, limiting teeth are arranged on the upper side wall and the lower side wall of each limiting block, and the limiting blocks are fixedly connected with connecting blocks at the rear ends of the supporting rods;

the lower extreme of pivot passes a long limit of U-shaped regulating seat, regulating switch is installed in the lower extreme rotation of pivot, regulating switch bottom is the arc extrusion face, arc extrusion face and the lateral wall contact of U-shaped regulating seat. The setting is like this, and the angle of stretching between convenient regulation big arm and the forearm is convenient for the patient adjusts the position of big arm under different scenes, can not influence the wrist simultaneously.

Preferably, a plurality of big arm fixing belts are arranged on the big arm fixing framework in parallel, and two ends of each big arm fixing belt are respectively connected with the two supporting rods. The setting is convenient for fixing the big arm, and the action of the big arm to drive the small arm to move and then drive the injured wrist to move is avoided.

The utility model adopting the technical scheme has the following advantages:

1. according to the utility model, the palm restraint band is arranged on the palm fixing framework to limit the movement of the palm of a patient, and the wrist fixing shell is arranged to tightly clamp the wrist of the patient on the fixing device, so that the wrist of the patient with the wrist fracture is fully limited in the movement of the wrist during recovery, and the recovery effect is improved;

2. according to the utility model, the forearm suspension belt capable of automatically stretching through the coil spring is arranged on the forearm fixing skeleton, the forearm suspension belt can automatically stretch according to the action of a patient, and the patient can also automatically decide whether to take down the forearm suspension belt in different scenes, so that the device is convenient and attractive, and the use experience is good.

Drawings

The utility model can be further illustrated by means of non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic view showing the overall structure of an embodiment of a distal radius fracture fixation device according to the present utility model;

FIG. 2 is a schematic view of a wrist fixation assembly of an embodiment of a distal radius fracture fixation device of the present utility model;

FIG. 3 is a schematic view of a configuration of a distal radius fracture fixation device according to an embodiment of the present utility model in a mounting groove;

FIG. 4 is a schematic view of an exploded view of the movable assembly of an embodiment of the distal radius fracture fixation device of the present utility model;

the main reference numerals are as follows:

1. a large arm fixing framework; 11. a large arm fixing strap; 2. a forearm fixing skeleton; 21. a support rod; 211. a mounting groove; 212. a coil spring; 213. a forearm sling; 214. a second clamping tongue; 215. a second clamping groove; 22. a support; 23. a connecting block; 231. a chute; 24. a forearm fixing strap; 3. a palm fixing skeleton; 31. a first clamping groove; 4. a movable assembly; 41. a U-shaped adjusting seat; 42. a crown gear; 43. a rotating shaft; 44. a limiting block; 45. an adjusting switch; 46. an arc extrusion surface; 5. palm restraint bands; 6. a wrist fixing housing; 61. a first clamping tongue.

Detailed Description

The present utility model will be described in detail below with reference to the drawings and the specific embodiments, wherein like or similar parts are designated by the same reference numerals throughout the drawings or the description, and implementations not shown or described in the drawings are in a form well known to those of ordinary skill in the art. In addition, directional terms such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", etc. in the embodiments are merely directions with reference to the drawings, and are not intended to limit the scope of the present utility model.

As shown in fig. 1 to 4, the radius distal fracture fixation device of the present utility model comprises a big arm fixation frame 1, a small arm fixation frame 2, a palm fixation frame 3, a movable component 4, and a wrist fixation component, wherein the big arm fixation frame 1 and the small arm fixation frame 2 are connected through the movable component 4, the small arm fixation frame 2 and the palm fixation frame 3 are fixedly connected, and the wrist fixation component is arranged on the palm fixation frame 3.

The arm of the patient with wrist fracture is fixed by the radius distal fracture fixing device, and the wrist of the patient is fixed on the palm fixing framework 3 by the wrist fixing component. The forearm of patient is fixed on the forearm fixed skeleton 2, and patient's big arm is fixed on the fixed skeleton 1 of big arm, plays the supporting role to overall structure, and wherein, the patient can change the angle between big arm and the forearm through adjusting the movable assembly 4 between the fixed skeleton 2 of forearm and the fixed skeleton 1 of big arm to adjust the gesture of arm.

As shown in fig. 2, in the present embodiment, the wrist fixing assembly includes a wrist fixing housing 6, a front section of the wrist fixing housing 6 is a semi-circular horn-shaped housing, a rear section of the wrist fixing housing 6 is a semi-circular housing, first clamping tongues 61 are uniformly formed on two side walls of the rear section of the wrist fixing housing 6, and first clamping grooves 31 are formed on the palm fixing frame 3. After the palm of the patient is fixed, the wrist fixing housing 6 is fixedly mounted in the first clamping groove 31 through the first clamping tongue 61, and the wrist of the patient can be fixed through the wrist fixing housing 6.

It will be appreciated that in this embodiment, the pad layer is adhered to the inner wall of the wrist fixing housing 6 to prevent the wrist of the patient from being injured by abrasion.

As shown in fig. 1, in this embodiment, the forearm fixing skeleton 2 includes two connecting blocks 23 that set up along the length direction of the forearm fixing skeleton 2, two support rods 21 are parallel arranged between the two connecting blocks 23, a chute 231 is all provided on the opposite surface of the two connecting blocks 23, two ends of the support rods 21 are integrally formed with a fixture block, two ends of the support rods 21 are slidably mounted in the chute 231 through the fixture block, a supporting member 22 is provided between the two support rods 21, the supporting member 22 is made of cloth, two ends of the supporting member 22 are fixed between the two support rods 21 in an adhesive or clamping manner, a plurality of forearm fixing belts 24 are respectively provided above the two support rods 21 at equal intervals, and the forearm fixing belts 24 are made of rubber materials. When the arm of the patient is fixed, the arm of the patient passes through the support 22 and the arm fixing belt 24, and the arm fixing belt 24 has elasticity and can automatically adjust tightness along with the change of the arm size of the patient.

As shown in fig. 1 and 3, in the present embodiment, a mounting groove 211 is formed at the rear end of one support rod 21, a first coil spring 212 is clamped in the mounting groove 211, one end of a front arm suspension 213 is bonded to the elastic end of the first coil spring 212, a second clamping tongue 214 is bonded to the other end of the front arm suspension 213, and a second clamping groove 215 is formed at the front end of the other support rod 21. After the patient's forearm is secured, the patient needs to wear forearm suspension 213 to provide support to the forearm during walking or the like. When the forearm suspension 213 is to be worn, the second locking tongue 214 is pulled out from the mounting groove 211, and the forearm suspension 213 is inserted into the second locking groove 215 with the patient's rear neck. When the forearm suspension 213 is to be retracted, the second latch 214 is pulled out of the second slot 215 due to the prestress of the coil spring 212, and the second latch 214 is released, so that the forearm suspension 213 is automatically retracted into the mounting slot 211.

As shown in fig. 2, in the present embodiment, the wrist fixing assembly includes a palm restraint band 5, two ends of the palm restraint band 5 are adhered to the palm fixing frame 3, and the palm restraint band 5 is made of an elastic material. When the hand restraint strap is fixed, the four fingers of the patient except for the thumb pass through the hand restraint strap 5, and the hand restraint strap 5 is clamped at the position of the tiger mouth of the patient to restrain and fix the palm of the patient, so that wrist activity caused by palm activity is prevented, and recovery is influenced.

It will be appreciated that in other embodiments of the present utility model, the palm fixing frame 3 is clamped with the second coil spring 212 through the fixing slot, one end of the palm restraining strip 5 is adhered to the second coil spring 212, the other end is adhered with the third clamping tongue, and the palm fixing frame 3 is provided with the third clamping slot, and the third clamping tongue is clamped in the third clamping slot. The palm restraint band 5 is automatically adjusted to an appropriate length according to the palm size of different persons by the second coil spring 212.

As shown in fig. 1 and 4, in this embodiment, the movable assembly 4 includes a U-shaped adjusting seat 41, a short side of a back of the U-shaped adjusting seat 41 is rotationally connected with a large arm fixing frame 1 through a rotation pin, crown gears 42 are integrally formed on opposite surfaces of two long sides of the U-shaped adjusting seat 41, a rotating shaft 43 is rotationally mounted on the U-shaped adjusting seat 41, the rotating shaft 43 penetrates through the two crown gears 42, a limiting block 44 is welded in the middle of the rotating shaft 43, limiting teeth are integrally formed on upper and lower side walls of the limiting block 44, and the limiting block 44 is welded with a connecting block 23 at the rear end of the supporting rod 21;

the lower extreme of pivot 43 passes a long limit of U-shaped adjusting seat 41, and pivot 43's top is rotated through the shaft shoulder and is installed in the step hole of seting up on another long limit, and adjusting switch 45 is installed through the rotation round pin rotation to pivot 43's lower extreme, and adjusting switch 45 is the handle, and adjusting switch 45 bottom is arc extrusion face 46, and arc extrusion face 46 contacts with the lateral wall of U-shaped adjusting seat 41.

When the patient wears the device, the regulating switch 45 is shifted to be parallel to the axis of the rotating shaft 43, the arc-shaped extrusion surface 46 extrudes one long side of the U-shaped regulating seat 41 to drive the crown gear 42 to be meshed with the limiting teeth on the limiting block 44, and the included angle between the big arm and the small arm of the patient is fixed. When the included angle between the fixed big arm and the fixed small arm of the patient needs to be adjusted, the adjusting switch 45 is only required to be shifted to rotate, so that the adjusting switch 45 loosens the long edge of the U-shaped adjusting seat 41, the crown gear 42 and the limiting teeth are in loose engagement, the big arm and the small arm of the patient stretch or shrink as required, and after adjustment, the adjusting switch 45 is shifted again to lock the crown gear 42 and the limiting block 44.

As shown in fig. 1, in this embodiment, a plurality of large arm fixing belts 11 are arranged on the large arm fixing frame 1 in parallel, and two ends of the plurality of large arm fixing belts 11 are respectively adhered to the large arm fixing frame 1. The forearm of the patient is fixed by the forearm fixing strap 11.

The radius distal fracture fixation device provided by the utility model is described in detail above. The description of the specific embodiments is only intended to aid in understanding the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. A distal radius fracture fixation device, characterized in that: including big arm fixed skeleton (1), forearm fixed skeleton (2), palm portion fixed skeleton (3), movable component (4) and wrist fixed subassembly, link to each other through movable component (4) between big arm fixed skeleton (1) and the forearm fixed skeleton (2), fixed skeleton (3) fixed connection of forearm fixed skeleton (2) and palm portion, wrist fixed subassembly sets up on palm portion fixed skeleton (3).

2. A distal radius fracture fixation device according to claim 1, wherein: the wrist fixing assembly comprises a palm restraining belt (5), and two ends of the palm restraining belt (5) are arranged on the palm fixing framework (3).

3. A distal radius fracture fixation device according to claim 1, wherein: the wrist fixing assembly comprises a wrist fixing shell (6), and the wrist fixing shell (6) is detachably arranged at the connecting position of the forearm fixing skeleton (2) and the palm fixing skeleton (3).

4. A distal radius fracture fixation device according to claim 3, wherein: the wrist fixing shell (6) is a semicircular shell, first clamping tongues (61) are arranged on two side arms of the wrist fixing shell (6), and a first clamping groove (31) is formed in the palm fixing framework (3).

5. A distal radius fracture fixation device according to claim 1, wherein: the forearm fixing framework (2) comprises two support rods (21) which are arranged in parallel, a bearing piece (22) is arranged between the support rods (21), connecting blocks (23) are arranged at two ends of the support rods (21), the connecting blocks (23) at the front ends of the support rods (21) are fixedly connected with the palm fixing framework (3), and the connecting blocks (23) at the rear ends of the support rods (21) are connected with the forearm fixing framework (1) through movable components (4);

a plurality of forearm fixing belts (24) are arranged above the supporting rods (21) in parallel, and two ends of each forearm fixing belt (24) are respectively connected with the two supporting rods (21).

6. A distal radius fracture fixation device according to claim 5, wherein: the outer side wall of the rear end of the supporting rod (21) is provided with a mounting groove (211), a first coil spring (212) is fixedly connected in the mounting groove (211), one end of a front arm hanging strip (213) is fixedly connected on the first coil spring (212), a second clamping tongue (214) is fixedly connected at the other end of the front arm hanging strip (213), and a second clamping groove (215) is formed in the inner side wall of the front end of the supporting rod (21).

7. A distal radius fracture fixation device according to claim 5, wherein: the two connecting blocks (23) are provided with sliding grooves (231), and two ends of the supporting rod (21) are respectively arranged in the sliding grooves (231) on the two connecting blocks (23) in a sliding mode.

8. A distal radius fracture fixation device according to claim 1, wherein: the movable assembly (4) comprises a U-shaped adjusting seat (41), the short side of the back of the U-shaped adjusting seat (41) is rotationally connected with a big arm fixing framework (1), crown gears (42) are fixedly connected to the opposite surfaces of the two long sides of the U-shaped adjusting seat (41), a rotating shaft (43) is rotationally arranged on the U-shaped adjusting seat (41), the rotating shaft (43) penetrates through the two crown gears (42), limiting blocks (44) are fixedly connected to the rotating shaft (43), limiting teeth are respectively arranged on the upper side wall and the lower side wall of each limiting block (44), and each limiting block (44) is fixedly connected with a connecting block (23) at the rear end of each supporting rod (21);

the lower extreme of pivot (43) passes a long limit of U-shaped regulation seat (41), regulating switch (45) are installed in the lower extreme rotation of pivot (43), regulating switch (45) bottom is arc extrusion face (46), arc extrusion face (46) and the lateral wall contact of U-shaped regulation seat (41).

9. A distal radius fracture fixation device according to claim 1, wherein: a plurality of big arm fixing belts (11) are arranged on the big arm fixing framework (1) in parallel, and two ends of the big arm fixing belts (11) are respectively connected with two supporting rods (21).