CN219439625U - Knee joint fixing support - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, in particular to a knee joint fixing support, which comprises an arc-shaped bracket, wherein a strip-shaped frame and a positioning frame are respectively and fixedly connected to the left side and the right side of the arc-shaped bracket, a first screw rod and a second screw rod are respectively and rotatably connected to the upper surface of the strip-shaped frame, two sliding grooves are formed in the front face of the strip-shaped frame, a first movable block and a second movable block are respectively and slidably connected to the inner walls of the two sliding grooves, and a first rectangular frame and a second rectangular frame are respectively and fixedly connected to the front faces of the first movable block and the second movable block. This knee joint is fixed brace takes patient's shank on arc bracket, according to patient's actual injured position, adjusts the position of fixing the bandage through rotating first lead screw and second lead screw to can drive fixing the bandage adjustment position through first rectangle frame and second rectangle frame, and this concrete volume of support and weight are less, can not influence patient and carry out normal rehabilitation training.

Description

knee brace

technical field

The utility model relates to the technical field of medical devices, in particular to a knee joint fixing brace.

Background technique

The knee joint is composed of the lower end of the femur, the upper end of the tibia, and the patella. It is an important joint that connects the thigh and the lower leg. The legs are limited and fixed to ensure that the knee joint will not be injured again due to leg activities, so the fixed brace is a common medical device;

After retrieval, China Patent Network discloses an adjustable knee joint fixation brace (application number: 202123444676.4). In this adjustable knee joint fixation brace, four connecting blocks 9 and straps 10 facilitate the support plate 1 Fixed on the hospital bed, the anti-slip pad 11 can improve the overall stability, and the two brackets 5 are fixed on the first slider 2 and the second slider 20 by using the connecting bolt 8, and the two first knobs 3 can be rotated to adjust the two brackets. The distance between the first bracket 5 and the two pressing plates 71, the two second knobs 7 can be rotated, the height of the two pressing plates 71 and the two rubber pads 72 can be adjusted, and the two rubber pads 72 can be close to the patient's legs, which is beneficial to the knee joint. The through holes on the pressure plate 71 and the rubber pad 72 are conducive to the ventilation of the legs. The protective pad 30 is composed of a base layer, a buffer layer and a breathable layer, which improves the comfort of the legs. The bracket 5 is connected to the first slide through the connecting bolt 8. Block 2 and the second slider 20 are connected, and the support plate 1 is detachably connected to the protective pad 30, which facilitates the removal, cleaning or replacement of the bracket 5 and the protective pad 30. However, this application still has certain defects in the actual operation process, such as:

In this application, the position of the two brackets is adjusted by a two-way screw rod, so as to adjust the position of the two pressure plates so as to limit and fix the different positions of the patient's legs. However, the overall size of the brace structure in this application is relatively large and requires installation On the hospital bed, after the treatment of the knee joint injury, the patient usually undergoes certain rehabilitation training in order not to affect the subsequent normal walking. However, the application is large in size and weight, which is inconvenient for the patient to perform leg rehabilitation training, and there is a certain application inconvenient.

Utility model content

The purpose of this utility model is to provide a knee joint fixation brace to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions: the knee joint fixation brace includes an arc-shaped bracket, and the left and right sides of the arc-shaped bracket are respectively fixedly connected with a bar frame and a positioning frame. The upper surface is rotatably connected with a first screw mandrel and a second screw mandrel, and the front side of the strip frame is provided with two chute, and the inner walls of the two chute are respectively slidably connected with a first movable block and a second movable block, the first The fronts of the movable block and the second movable block are respectively fixedly connected with a first rectangular frame and a second rectangular frame, and the inner bottom walls of the first rectangular frame and the second rectangular frame are all rotatably connected with a round rod, and the surface of the round rod is fixedly connected with a There is a fixed strap, the front of the positioning frame is provided with a bar-shaped groove, the inner wall of the bar-shaped groove is slidingly connected with two bar-shaped blocks, and the ends of the two fixed straps away from the round rod are respectively fixedly connected with the fronts of the two bar-shaped blocks. Both the upper surfaces of the first rectangular frame and the second rectangular frame are equipped with adjustment components.

Preferably, the bottom ends of the first screw rod and the second screw rod both extend to the inside of the bar frame, and are rotatably connected with the inner bottom wall of the bar frame.

Preferably, screw holes are provided on the upper surfaces of the first movable block and the second movable block, and the first movable block and the second movable block are threadedly connected with the first screw rod and the second screw rod through the screw holes.

Preferably, the right sides of the first rectangular frame and the second rectangular frame are both provided with strip-shaped holes adapted to the fixing straps.

Preferably, the adjustment assembly includes a circular plate, the top end of the round bar extends to the upper surfaces of the first rectangular frame and the second rectangular frame, and the circular plate is fixedly mounted on the top end of the round bar.

Preferably, the upper surfaces of the first rectangular frame and the second rectangular frame are provided with several limiting thread grooves, and the limiting thread grooves are circumferentially distributed around the round rod.

Preferably, locking bolts are threadedly connected to the upper surface of the circular plate, and the locking bolts fit into the limiting thread grooves.

Beneficial effects of the utility model: the knee joint fixation brace puts the patient's leg on the arc-shaped bracket, and adjusts the position of the fixed strap by rotating the first screw rod and the second screw rod according to the actual injured part of the patient , the first screw rod and the second screw rod can adjust the position of the first movable block and the second movable block, so that the fixed strap can be adjusted through the first rectangular frame and the second rectangular frame, so that the fixed strap can be adjusted flexibly The binding position, and the small size and weight of the branch will not affect the normal rehabilitation training of the patient. For this knee joint fixation brace, when the size of the patient's legs is inconsistent, the locking bolt can be removed, and the round rod can be driven to rotate through the circular plate, so as to adjust the tightness of the fixed strap and ensure that the patient's leg can be tied tightly in an arc. On the bracket, after adjusting the degree of tightness, the circular plate and the circular rod can be limited and fixed by the locking bolt, so as to ensure that the tightness of the fixing strap will not change, and it is more convenient to use.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic diagram of the three-dimensional structure of the utility model;

Fig. 2 is the structural schematic diagram of the front section of the strip frame of the present invention;

Fig. 3 is a schematic diagram of the front section structure of the first rectangular frame of the present invention.

Detailed ways

The following will clearly and completely describe the technical solution of the utility model in conjunction with the accompanying drawings of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

According to Fig. 1, Fig. 2, shown in Fig. 3, a kind of knee joint fixation brace comprises arc bracket 1, and the left and right sides of arc bracket 1 are respectively fixedly connected with bar frame 2 and positioning frame 3, and bar The upper surface of the shape frame 2 is connected with the first screw mandrel 4 and the second screw mandrel 5 in rotation respectively, and the bottom ends of the first screw mandrel 4 and the second screw mandrel 5 all extend to the inside of the bar frame 2, and are connected with the bar shape The inner bottom wall of the frame 2 is rotationally connected, and the front of the strip frame 2 is provided with two chutes, and the inner walls of the two chutes are respectively slidably connected with a first movable block 6 and a second movable block 7, and the first movable block 6 and the second movable block 7 are slidingly connected. The upper surface of the second movable block 7 is provided with screw holes, and the first movable block 6 and the second movable block 7 are threadedly connected with the first screw mandrel 4 and the second screw mandrel 5 through the screw holes, and the first movable block 6 and the second movable block 7 are screwed together. The fronts of the two movable blocks 7 are respectively fixedly connected with a first rectangular frame 8 and a second rectangular frame 9, and the inner bottom walls of the first rectangular frame 8 and the second rectangular frame 9 are all rotatably connected with a round rod 10, and the surface of the round rod 10 Fixedly connected with a fixed strap 11, the right side of the first rectangular frame 8 and the second rectangular frame 9 are provided with strip-shaped holes that are compatible with the fixed strap 11, and the front of the positioning frame 3 is provided with a strip-shaped groove. Two bar-shaped blocks 12 are slidably connected to the inner wall of the groove, and the ends of the two fixing straps 11 away from the round bar 10 are fixedly connected to the fronts of the two bar-shaped blocks 12 respectively.

Through the above-mentioned setting, at first the patient's legs are placed on the arc bracket 1, so that the patient's legs are in a vertical state. At this time, according to the injury situation of the patient's legs, the first screw mandrel 4 and the second screw mandrel 5 are rotated. One threaded mandrel 4 and the second screw mandrel 5 can respectively drive the first movable block 6 and the second movable block 7 to move up and down, and the first movable block 6 and the second movable block 7 then pass through the first rectangular frame 8 and the second movable block respectively. The rectangular frame 9 drives the fixing strap 11 to change its position. Since the other end of the fixing strap 11 is fixedly connected with the bar block 12, and the bar block 12 can slide in the bar slot on the front of the positioning frame 3, it will not affect the fixing. The position of the straps 11 is adjusted. At this time, the positions of the two fixed straps 11 are adjusted to not correspond to the position of the patient's leg injury, and the patient's leg can be bound. The flexibility is high, and this branch is specific. The volume and weight are small, and will not affect the normal rehabilitation training of patients.

The upper surfaces of the first rectangular frame 8 and the second rectangular frame 9 are all equipped with an adjustment assembly, the adjustment assembly includes a circular plate 13, and the top end of the round rod 10 extends to the upper surface of the first rectangular frame 8 and the second rectangular frame 9, And the circular plate 13 is fixedly mounted on the top of the round rod 10, and the upper surfaces of the first rectangular frame 8 and the second rectangular frame 9 are provided with a plurality of limit screw grooves, and the limit screw grooves are circumferentially distributed on the round rod. 10, the upper surface of the circular plate 13 is threaded with a locking bolt 14, and the locking bolt 14 is adapted to the limiting thread groove.

When the size of the patient's legs is inconsistent, first take out the locking bolt 14 to adjust the fixing strap 11 to the loosest state. The rod 10 rotates, so that the round rod 10 drives the fixed strap 11 to roll up, thereby gradually tightening the fixed strap 11 until the fixed strap 11 fastens the patient's legs on the arc-shaped bracket 1. At this time, the lock can be used to The tightening bolt 14 is inserted into the limit screw groove corresponding to its position, and the round rod 10 can be limited by the circular plate 13, thereby limiting the tightness of the fixing strap 11, so as to bind patients with different leg sizes. It is more convenient to use.

The above is only a specific embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Anyone familiar with the technical field can easily think of changes or changes within the technical scope disclosed by the utility model Replacement should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (7)

1. The utility model provides a knee joint is fixed brace, includes arc bracket, its characterized in that:

the left side and the right side of arc bracket are fixedly connected with bar frame and locating frame respectively, the upper surface of bar frame rotates respectively and is connected with first lead screw and second lead screw, two spouts have been seted up in the front of bar frame, the inner wall of two spouts is first movable block of sliding connection respectively and second movable block, first rectangle frame of front fixedly connected with and second rectangle frame of first movable block and second movable block respectively, the interior bottom wall of first rectangle frame and second rectangle frame all rotates to be connected with the round bar, the fixed surface of round bar is connected with the fixed bandage, the bar groove has been seted up in the front of locating frame, the inner wall sliding connection of bar groove has two bar blocks, the one end that the round bar was kept away from to two fixed bandage is respectively with the front fixed connection of two bar blocks, adjusting part is all installed to the upper surface of first rectangle frame and second rectangle frame.

2. The knee joint immobilization brace of claim 1, wherein: the bottom ends of the first screw rod and the second screw rod extend to the inside of the bar frame and are rotationally connected with the inner bottom wall of the bar frame.

3. The knee joint immobilization brace of claim 1, wherein: screw holes are formed in the upper surfaces of the first movable block and the second movable block, and the first movable block and the second movable block are in threaded connection with the first screw rod and the second screw rod through the screw holes.

4. The knee joint immobilization brace of claim 1, wherein: the right sides of the first rectangular frame and the second rectangular frame are respectively provided with a strip-shaped hole matched with the fixing binding band.

5. The knee joint immobilization brace of claim 1, wherein: the adjusting component comprises a circular plate, the top end of the circular rod extends to the upper surfaces of the first rectangular frame and the second rectangular frame, and the circular plate is fixedly arranged at the top end of the circular rod.

6. The knee joint immobilization brace of claim 1, wherein: the upper surfaces of the first rectangular frame and the second rectangular frame are provided with a plurality of limit thread grooves which are distributed around the round rod in a circumferential manner.

7. The knee joint immobilization brace of claim 5, wherein: the upper surface threaded connection of circular plate has the locking bolt, and locking bolt and spacing thread groove looks adaptation.