CN215839789U - Knee joint fixator - Google Patents

Abstract

The utility model relates to a knee joint fixator, which comprises two fixing devices arranged up and down, wherein each fixing device comprises two clamping plates arranged front and back, a supporting mechanism is arranged between the two clamping plates on the same side of the two fixing devices, the clamping plates are hinged at one side close to each other through a hinge, a fixing ring is arranged at one side close to each other through a mounting block, a plurality of notch grooves are formed in the outer side of the fixing ring, springs are horizontally arranged in the notch grooves, the fixing blocks are fixedly connected to one sides of the springs, far away from the notch grooves, and fixing grooves are formed in the mounting block, corresponding to the fixing blocks, the fixing rings are fixed through rotation of the fixing rings and mutual matching between the fixing blocks and the fixing grooves, so that the lower limbs of patients can be subjected to angle torsion, and the lower limbs of the patients can be kept on a correct birth material line through rotation by a user in the actual use process, so that the utility model can have the effect of adjuvant therapy.

Description

Knee joint fixator

Technical Field

The utility model relates to the technical field of medical care products, and particularly belongs to a knee joint fixator.

Background

After the knee joint is injured, fibrous tissues inside and outside or around the joint are contracted or shortened, the affected limb is fixed for a long time, backflow of veins and lymph is not smooth, serous fibrous exudation and fibrin deposition occur in tissues around the joint, and fibrous adhesion occurs, so that joint movement can be obstructed.

Most of the prior art devices fix the knee joint of a patient through splints or plaster, but the splints and the plaster have the defects of too strong tightness and inflexible use process and cannot be adjusted according to actual requirements.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a knee joint fixator which has the advantages of strong mobility and capability of adapting to various use scenes, and solves the defect that the device in the prior art is not flexible enough in use.

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

a knee joint fixator comprises two fixing devices arranged up and down, wherein each fixing device comprises two splints arranged front and back, a supporting mechanism is arranged between the two splints at the same side of the two fixing devices, and the sides close to each other are hinged through a hinge, the sides close to each other of the two clamping plates are both connected with a mounting block in a sliding way, the mounting blocks are C-shaped, one side of each mounting block, which is close to each other, is provided with a fixing ring, the fixing ring is provided with a plurality of notch grooves on one side relatively close to the mounting block, the notch grooves are uniformly distributed around the vertical axis of the fixing ring, a spring is horizontally arranged in the fixing ring, one end of the spring, which is relatively far away from the fixing ring, is fixedly connected with a fixing block, the installation piece is last to be provided with the fixed slot to the fixed block, gu fixed ring includes two arc pieces through hinge connection, and hinge one end fixedly connected with magic subsides are kept away from relatively to two arc pieces.

Preferably, the supporting mechanism comprises two rotating shafts which are respectively connected with the two clamping plates in a sliding manner, the two rotating shafts are respectively connected with a connecting plate in a rotating manner, one end, far away from the rotating shafts, of each connecting plate is fixedly connected with a screw rod, and an internal threaded pipe is sleeved outside each screw rod.

Preferably, the thread directions of the two screws on the supporting mechanism are completely opposite, and the internal thread in the internal thread pipe is matched with the external thread on the screws.

Preferably, the installation piece is kept away from a connecting rod of solid fixed ring one side fixedly connected with relatively, connecting rod and pivot are close to a slider of splint one side fixedly connected with relatively, be provided with the slide to the slider in the splint.

Preferably, the connecting rod and the rotating shaft are provided with external threads on one side which is relatively far away from the clamping plate, and are in threaded connection with a locking nut through the external threads.

Preferably, the fixed ring inboard is provided with a plurality of cushion, the cushion evenly arranges around the vertical axle center of fixed ring.

Compared with the prior art, the utility model has the beneficial effects that:

the fixing ring can be fixed by rotating the fixing ring and utilizing the mutual matching between the fixing block and the fixing groove, so that the lower limb of the patient can be twisted at an angle, and the lower limb of the patient can be kept on a correct biological force line by rotating the fixing ring in the actual use process, so that the lower limb of the patient can have the effect of auxiliary treatment.

According to the utility model, the two arc-shaped plates are hinged and combined with the magic tapes, so that the fixing ring can be firmly fixed on the lower limb of a patient to be attached to the lower limb, and the device can play a role.

According to the utility model, the connecting plate is in sliding connection with the clamping plate, the mutual matching between the combination screw rod and the internal thread pipe enables the process of angle adjustment between the two fixing devices to be more diversified and more convenient, and the influence of the supporting mechanism on the later treatment of the patient can be prevented while the actual use requirement is met.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the attachment of the mounting block to the retaining ring of the present invention;

FIG. 3 is a partially enlarged view of point A in FIG. 2;

FIG. 4 is a top view of the retaining ring of the present invention.

In the figure: 1. a splint; 2. an arc-shaped block; 3. a fixed block; 4. magic tape; 5. locking the nut; 6. a support mechanism; 601. a rotating shaft; 602. a connecting plate; 603. a screw; 604. An internally threaded tube; 7. a slider; 8. a slideway; 9. a connecting rod; 10. mounting blocks; 11. An elastic pad; 12. fixing grooves; 13. a notch groove; 14. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, a knee joint fixator includes two fixing devices disposed up and down, which respectively limit the thigh and the calf of a patient, and prevent the thigh and the calf from moving relatively, so as to protect the knee joint and fix the knee joint.

The fixing device comprises two clamping plates 1 arranged in the front and at the back, the thighs or the shanks can be fixed in multiple directions through the two clamping plates 1, meanwhile, the fixing area is small, the airtightness is low, and the patient cannot be greatly influenced.

The two fixing devices are hinged to one side, close to one side, of the splint 1 at the same side, through the hinge, so that the two fixing devices can rotate relatively, the angle between the thigh and the shank can be determined according to actual requirements, and the knee joint can be fixed and protected better.

Still be provided with supporting mechanism on splint 1 with one side of two fixing device, supporting mechanism is including setting up pivot 601 on splint 1, pivot 601 extends to in splint 1 and fixedly connected with slider 7, be provided with slide 8 to slider 7 in splint 1, can make the position relatively fixed of pivot 601 through mutually supporting between slider 7 and the slide 8, only can slide for splint 1 and can not break away from with the slide.

The rotating shaft 601 is rotatably connected with a connecting plate 602.

The two connecting plates 602 are fixedly connected with screws 603 at ends relatively far away from the rotating shaft 601, the thread directions of the two screws 603 are completely opposite, an internal thread pipe 604 matched with the screws 603 is sleeved outside the two screws 603, and the length of the screws 603 screwed into the internal thread pipe 604 is changed by rotating the internal thread pipe 604 and utilizing the threaded connection between the internal thread pipe 604 and the screws 603, so that the length of the supporting mechanism 6 is controlled.

The external thread is arranged outside the rotating shaft 601, the locking nut 5 is screwed on the rotating shaft 601, the pressing force of the locking nut 5 on the clamping plate 1 can be changed through the thread matching between the locking nut 5 and the rotating shaft 601, when the pressing force is increased by rotating the locking nut 5, the position of the rotating shaft 601 can be fixed, the sliding of the rotating shaft is limited, in the actual use process, a user has two modes to adjust the angle between two fixing devices, the angle between the two fixing devices can be changed through sliding the positions of the two rotating shafts 601, the angle between the two fixing devices can be changed through adjusting the overall length of the supporting mechanism 6, various adjusting modes can meet actual requirements, and inconvenience of the user caused by the fact that the position of the supporting mechanism 6 affects the user is avoided.

Two splint 1 on the fixing device are close to one side each other and are had an installation piece 10 respectively by sliding connection, installation piece 10 is close to 1 one end fixedly connected with connecting rod 9 of splint relatively to through connecting rod 9 also fixedly connected with slider 7, also be provided with slide 8 in splint 1 to slider 7 with connecting rod 9 fixed connection, can realize the purpose to the upper and lower slip of installation piece 10 and prevent that installation piece 10 from droing through mutually supporting between slider 7 and the slide 8.

The mounting blocks 10 are C-shaped and are oppositely arranged, and one side of the opening is relatively far away from the splint 1.

A fixing ring is arranged between the two mounting blocks 10 on the same horizontal line so as to fix thighs and shanks of users, and meanwhile, the mounting blocks 10 can slide up and down to enable the positions of the fixing rings to be more flexible, and actual requirements are met.

The fixed ring is provided with a plurality of breach grooves 13 relatively near installation piece 10 one side, and a plurality of breach grooves 13 are evenly arranged around the vertical axis of fixed ring.

Level is provided with spring 14 in breach groove 13, spring 14 keeps away from solid fixed ring one side fixedly connected with fixed block 3 relatively, be provided with fixed slot 12 to fixed block 3 in the installation piece 10, can play pivoted effect to solid fixed ring through changing with fixed slot 12 matched with fixed block 3, under certain circumstances, when shank and thigh are not in correct biological force line, need apply for a torsional effort of shank or thigh, make it can be in same biological force line, can fix solid fixed ring at patient's low limbs this moment, rotate the solid fixed ring of fixing on the shank, make fixed block 3 cooperate with fixed slot 12, apply for a torsional effort of shank and fix it.

The arcwall face of both sides terminal surface is around fixed block 3 so that when the user rotated solid fixed ring, the power of exerting on fixed block 3 can convert the compressive force to spring 14 through the arcwall face to make spring 14 compress, thereby make the realization that the user can be comparatively convenient to solid fixed ring's rotation and fixed.

The fixing ring is characterized in that a plurality of elastic cushions 11 are arranged on the inner side of the fixing ring, the elastic cushions 11 are uniformly distributed around the vertical axis of the fixing ring, the pressing force of the fixing ring on the lower limbs of a patient can be increased through the elastic cushions 11, the fixing effect of the fixing ring is further improved, and the fixing ring is guaranteed not to slide relative to the lower limbs of the patient.

The fixing ring comprises two arc-shaped blocks 2 connected through hinge joints, the two arc-shaped blocks 2 are relatively far away from one end of the hinge and are fixedly connected with magic tapes 4, the arc-shaped blocks 2 connected through the two hinge joints can enable the fixing ring to be attached to the skin of a patient in the actual use process, and the magic tapes 4 can be used for fixing the fixing ring on the lower limb of the patient conveniently and firmly.

The working principle is as follows: in the using process, the fixing rings are required to be fixed on the thighs and the shanks of patients respectively, the slide blocks 7 and the slide ways 8 are matched with each other to enable the fixing positions of the fixing rings to be proper, then the magic tapes 4 are used for fixing, and then whether the fixing rings need to be rotated and the relative angles and the relative lengths of the supporting mechanisms 6 need to be adjusted or not is determined according to the actual conditions of the patients.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A knee joint fixator is characterized in that: the device comprises two fixing devices which are arranged up and down, wherein each fixing device comprises two clamping plates (1) which are arranged front and back, a supporting mechanism (6) is arranged between the two clamping plates (1) on the same side of the two fixing devices, and the two clamping plates are hinged to each other through hinges on the sides close to each other;

one side, close to each other, of each of the two clamping plates (1) is connected with one installation block (10) in a sliding mode, each installation block (10) is C-shaped, one side, close to each other, of each installation block (10) is provided with one fixing ring, one side, close to each installation block (10), of each fixing ring is provided with a plurality of notch grooves (13), the notch grooves (13) are uniformly distributed around the vertical axis of each fixing ring, springs (14) are horizontally arranged inside the notch grooves, one ends, far away from each fixing ring, of the springs (14) are fixedly connected with the fixed blocks (3), and fixing grooves (12) are formed in the installation blocks (10) and correspond to the fixed blocks (3);

the fixing ring comprises two arc-shaped blocks (2) which are connected through a hinge, and the two arc-shaped blocks (2) are relatively far away from a magic tape (4) fixedly connected with one end of the hinge.

2. A knee joint fixator according to claim 1 wherein: the supporting mechanism (6) comprises two rotating shafts (601) which are respectively connected with the two clamping plates (1) in a sliding mode, the two rotating shafts (601) are respectively connected with a connecting plate (602) in a rotating mode, one end, far away from the rotating shafts (601), of each connecting plate (602) is fixedly connected with a screw rod (603), and an internal threaded pipe (604) is sleeved outside each screw rod (603).

3. A knee joint fixator according to claim 2 wherein: the thread directions of the two screw rods (603) on the supporting mechanism (6) are completely opposite, and the internal thread in the internal thread pipe (604) is matched with the external thread on the screw rods (603).

4. A knee joint fixator according to claim 2 wherein: installation piece (10) keep away from solid fixed ring one side fixedly connected with connecting rod (9) relatively, connecting rod (9) and pivot (601) are close to splint (1) one side fixedly connected with slider (7) relatively, be provided with slide (8) to slider (7) in splint (1).

5. A knee joint fixator according to claim 4, wherein: and an external thread is arranged on one side of the connecting rod (9) and the rotating shaft (601) which are relatively far away from the clamping plate (1), and a locking nut (5) is screwed through the external thread.

6. A knee joint fixator according to claim 1 wherein: the fixed ring inner side is provided with a plurality of elastic cushions (11), the elastic cushions (11) are evenly distributed around the vertical axis of the fixed ring.

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