CN219109899U - Knee joint fixer - Google Patents

Abstract

The utility model discloses a knee joint fixer, which relates to the technical field of medical nursing appliances, comprising: an adjustment support device, the adjustment support device has an arc cylindrical structure; a protection mechanism, the protection mechanism is installed on the adjustment support device Inside; the fixed anti-slip mechanism, the fixed anti-slip mechanism is installed on the upper outer edge of the adjustment support device; the connection mechanism, the connection mechanism is arranged in the middle of the adjustment support device; the first fixed casing, the interior of the first fixed casing The rotation shaft is connected with the rotation; the top of the nut is connected with the adjustment knob; the inside of the fixed shaft is provided with a screw groove; the second fixed sleeve is arranged under the first fixed sleeve, and the support device and the protection mechanism are adjusted. When used in conjunction with it, fixed sheaths are respectively installed on the periphery of the protection mechanism to support and fix the side knee joints so that the knee joints cannot be flexed, thereby avoiding bleeding at the puncture site of the femoral artery caused by knee joint flexion.

Description

A knee joint immobilizer

technical field

The utility model relates to the technical field of medical nursing appliances, in particular to a knee joint fixer.

Background technique

Patients who cannot move for a long time after a knee fracture accident or surgery often need to lay their legs straight and flat to avoid damage to the knee joint due to excessive force, but the patient's legs tend to swing unconsciously when they are flat, causing knee joint damage Further damage, and the patient's legs may also swing unconsciously and involve the knee joint during rest, which will affect the rehabilitation of the knee joint. The general knee joint immobilizer is suitable for patients to avoid knee joints during activities. Or reduce the pressure on the patient's knee joint, and when the patient lays the leg flat or rests, the general knee joint fixator cannot prevent the patient's leg from swinging accidentally, it is easy to damage the knee joint, and it is easy to slip and become unstable when walking .

Chinese utility model patent CN206080812U discloses a knee joint fixer. The knee joint fixer has a simple structure. The identification plate set on the front of the arc fixation plate, the first installation shaft installed at the lower end of the arc fixation plate, and the first adjustment knob The first fixed frame fixed on the first installation shaft, the first fixed sleeve connected to the first fixed frame; the first fixed sleeve is provided with a first slide groove, and the first fixed frame is After the distance adjustment of a fixed sleeve is completed, it is fixed in the first sliding groove by a strap; the first fixed frame is provided with a first scale; the second fixed frame is provided with a second scale, through The adjustment knob can adjust the angle of the centerlines of the two fixed sleeves to meet the needs of patients with different fixing needs. The fixed sleeve is equipped with soft gaskets, which can improve the comfort of the patient and help the patient recover soon.

Although the above-mentioned knee joint fixer solves the problem that the knee joint of the lower limb on the puncture side cannot be avoided when the existing fixer is used, in this knee joint fixer, when the patient lays the leg flat or rests, it cannot be better. To prevent the patient's legs from swinging accidentally, it is easy to damage the knee joint, and it is easy to slip and become unstable when walking. If the protection of the knee is not in place, it is easy to cause secondary injury, and it is not easy to adjust for patients of different sizes.

Utility model content

The purpose of the utility model is to overcome the technical problems in the prior art that the fixer is easy to slip and be unstable when walking, and the protection of the knee is not in place, and it is easy to be injured twice, and provides a knee joint fixer, which has the following advantages: Simple structure, adjustable and fixed advantages.

In order to achieve the above object, the utility model provides the following technical solutions:

A knee immobilizer comprising:

Adjusting the supporting device, the adjusting supporting device has an arc cylindrical structure;

a protection mechanism, the protection mechanism is installed inside the adjustment support device;

A fixed anti-slip mechanism, the fixed anti-slip mechanism is installed on the upper outer edge of the adjustable support device;

A connection mechanism, the connection mechanism is arranged in the middle of the adjustment support device.

Further, the adjustment support device includes:

a first fixed casing, the interior of the first fixed casing is rotatably connected to a rotating shaft;

a nut, the nut is evenly fixed on the right side outer wall of the first fixed casing, and the top of the nut is connected with an adjustment knob;

A fixed shaft, the fixed shaft is fixed on the left outer wall of the first fixed casing, and the inside of the fixed shaft is provided with a screw groove;

A second fixed casing, the second fixed casing is arranged below the first fixed casing.

Further, the protection mechanism includes:

Flexible cloth, the number of the flexible cloth is two;

a first bandage fixed to one end of the flexible cloth;

a second bandage, the second bandage is fixed to the other end of the flexible cloth, and the free ends of the first bandage and the second bandage can be connected by Velcro,

A protective pad is provided between two pieces of flexible cloth.

Further, the second bandage is provided with a penetration hole, and the second fixing sheath is provided with a fixing hole corresponding to the penetration hole, and the penetration hole and the fixing hole are used to penetrate the movable bandage to The protection mechanism is connected to the adjustment support device.

Further, the fixed anti-slip mechanism includes:

a belt, the left end of which is connected with a lock slot;

buckle, the buckle is connected to the inside of the lock groove;

A connecting ring, the connecting ring is arranged on the outer surface of the belt, and the bottom of the connecting ring is fixed with a first connecting belt;

a first fixing strip, the first fixing strip is installed on the bottom of the first connecting belt;

The first adjustment ring, the first connection belt is inserted inside the first adjustment ring.

Further, the waist belt is connected to the first fixed casing through a first fixing strip, and the first fixing strip is fixedly installed above the outer wall of the first fixed casing.

Further, the connection mechanism includes:

a second connecting belt, the upper end of which is fixed below the first fixed casing;

a second fixing strip, the second fixing strip is fixed above the outer wall of the second fixing casing;

The second adjusting ring, the second connecting belt is inserted inside the second adjusting ring.

Compared with the prior art, the beneficial effects of the utility model are:

1. The knee joint fixer fixes the patient's lower limb knee joint on the flexible cloth by adjusting the supporting device and the protective mechanism. The bandages restrain each other to protect the patient's knee and are installed on the periphery of the protective mechanism. The fixed sleeve is used to support and fix the lateral knee joint so that it cannot be flexed, thereby avoiding bleeding at the puncture site of the femoral artery caused by knee joint flexion;

2. The knee joint fixer has a connection mechanism between the fixed shells, and the connecting belt can be stretched and adjusted to meet the needs of different patients. The fixed shell can be opened and closed, and the size can be adjusted. The adjustment knob can better Fix the fixed casing to enhance the practicality;

3. The knee joint fixer is equipped with a fixed anti-slip mechanism, which can tie the belt to the waist and connect the fixed casing through the connecting belt to prevent the fixed casing from slipping when moving. The position of the fixed anti-slip mechanism is adjustable, which is more convenient to use.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a knee joint fixer in an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of an adjustment support device of a knee joint fixer in an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a protection mechanism of a knee joint fixer in an embodiment of the present invention;

Fig. 4 is a structural schematic diagram of a fixed anti-slip mechanism of a knee joint fixer in an embodiment of the present invention;

Fig. 5 is a schematic structural diagram of a connection mechanism of a knee joint fixer in an embodiment of the present invention.

1. Adjusting support device; 101, first fixed casing; 102, rotating shaft; 103, nut; 104, adjusting knob; 105, fixed shaft; 106, screw groove; 107, second fixed casing; 2, protection mechanism; 201, flexible cloth; 202, insertion hole; 203, first bandage; 204, second bandage; 205, protective pad; 3, fixed anti-slip mechanism; 301, belt; 302, lock groove; 303, buckle; 304 , connecting ring; 305, the first connecting belt; 306, the first fixing strip; 307, the first adjusting ring; 4, connecting mechanism; 401, the second connecting belt; 402, the second fixing strip; 403, the second adjusting ring .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. 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.

With reference to the accompanying drawings 1-5, in this embodiment, a knee joint immobilizer includes: an adjustment support device 1, the adjustment support device 1 has an arc cylindrical structure; a protection mechanism 2, and the protection mechanism 2 is installed Inside the adjustment support device 1; a fixed anti-slip mechanism 3, which is installed on the upper outer edge of the adjustment support device 1; a connecting mechanism 4, which is arranged in the middle of the adjustment support device 1.

Specifically, the adjustment support device 1 is provided with a plurality of auxiliary mechanisms inside and outside the main part of the fixer, the protection mechanism 2 protects the patient's knee joint inside the adjustment support device 1, and the fixed anti-slip mechanism 3 is connected above the adjustment support device 1 to play a role. Anti-slip and anti-falling effect, the connection mechanism 4 is arranged in the middle of the adjustment support device 1 to play the role of adjustment connection.

In this embodiment, the adjusting support device 1 includes: a first fixed casing 101, the inside of the first fixed casing 101 is rotatably connected with a rotating shaft 102; a nut 103, and the nut 103 is uniformly fixed on the first fixed casing The right outer wall of 101, and the top of the nut 103 is connected with the adjustment knob 104; the fixed shaft 105, the fixed shaft 105 is fixed on the left outer wall of the first fixed casing 101, and the inside of the fixed shaft 105 is provided with a screw groove 106; Two fixed casings 107 , the second fixed casing 107 is arranged below the first fixed casing 101 .

In the adjustment support device 1 , the first fixed casing 101 and the second fixed casing 107 are both opened and closed by the rotating shaft 102 and fixed by rotating the adjusting knob 104 to prevent falling off.

In this embodiment, the protection mechanism 2 includes: a flexible cloth 201, a first bandage 203 and a second bandage 204 are fixed at both ends of the flexible cloth 201, and the free ends 4 of the first bandage 203 and the second bandage 204 can pass through Velcro connection; protective pad 205, the protective pad 205 is arranged between the flexible cloth 201, for connecting the first bandage 203 and the second bandage 204.

Preferably, the second bandage 204 is provided with a penetration hole 202, the second fixing sheath 107 is provided with a fixing hole (not shown) corresponding to the penetration hole 202, the penetration hole 202 and the fixing hole The movable straps can be interspersed in the middle, and the two ends of the movable straps are provided with Velcro, and the protection mechanism 2 is connected to the adjustment support device 1 through the insertion holes 202, the fixing holes and the movable straps. More preferably, the second fixing shell 107 is provided with an upper and a lower row of fixing holes, so that the connection position of the protection mechanism 2 and the adjustment support device 1 can be adjusted.

In this embodiment, the fixed anti-slip mechanism 3 includes: a belt 301, the left end of which is connected to a lock groove 302; a buckle 303, which is connected to the inside of the lock groove 302; a connecting ring 304, the The connecting ring 304 is sleeved on the belt 301, and the bottom of the connecting ring 304 is fixed with a first connecting belt 305; the first fixing strip 306 is installed on the bottom of the first connecting belt 305; the first adjusting ring 307 , the first adjusting ring 307 passes through the first connecting belt 305 inside.

In the fixed anti-slip mechanism 3 , the waist belt 301 is connected to the first fixed casing 101 through the first fixing strip 306 , and the first fixing strip 306 is fixedly installed above the outer wall of the first fixed casing 101 .

In this embodiment, the connection mechanism 4 includes: a second connection belt 401, the upper end of which is fixed below the first fixed casing 101; a second fixing strip 402, which is fixed on Above the outer wall of the second fixed casing 107 ; the second adjusting ring 403 , the second connecting belt 401 is inserted inside the second adjusting ring 403 .

In the connection mechanism 4, the second connection belt 401 is mainly responsible for connecting the first fixed casing 101 and the second fixed casing 107, and the length can be adjusted.

Working principle: First, place the lower limb of the patient on the puncture side above the flexible cloth 201, make the knee joint under the protective pad 205, make the first bandage 203 and the second bandage 204 bind the flexible cloth 201 to wrap the lower limb of the patient, thereby The patient's upper and lower limbs on the puncture side are fixed inside the flexible cloth 201, and the thigh and calf connected to the knee joint are covered inside the first fixing sheath 101 and the second fixing sheath 107, and the adjusting knob 104 is rotated to fix it to prevent it from falling off;

Tie the waist belt 301 around the waist, connect the first connecting belt 305 which can change the position under the belt 301, and insert the first connecting belt 305 into the first fixing bar 306 and connect to the first adjusting ring 307, the length can be adjusted to prevent the holder from slipping off, The second connecting belt 401 is mainly responsible for connecting the first fixed casing 101 and the second fixed casing 107 , and the length is adjusted by the second adjusting ring 403 , which is more practical.

Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the utility model, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the utility model.

Claims (7)

1. A knee joint immobilizer, comprising: Adjusting the supporting device (1), the adjusting supporting device (1) has an arc cylindrical structure; A protection mechanism (2), the protection mechanism (2) is installed inside the adjustment support device (1); A fixed anti-slip mechanism (3), the fixed anti-slip mechanism (3) is installed on the upper outer edge of the adjustable support device (1); A connection mechanism (4), the connection mechanism (4) is arranged in the middle of the adjustment support device (1). 2. A knee joint immobilizer according to claim 1, characterized in that: The adjustment support device (1) includes: a first fixed casing (101), and a rotating shaft (102) is rotatably connected to the inside of the first fixed casing (101); A nut (103), the nut (103) is evenly fixed on the right outer wall of the first fixed casing (101), and the top of the nut (103) is connected to the adjustment knob (104); A fixed shaft (105), the fixed shaft (105) is fixed on the left outer wall of the first fixed sleeve (101), and the inside of the fixed shaft (105) is provided with a screw groove (106); A second fixed casing (107), the second fixed casing (107) is arranged below the first fixed casing (101). 3. A knee joint immobilizer according to claim 1, characterized in that: Described protective mechanism (2) comprises: Flexible cloth (201), the number of the flexible cloth (201) is two; a first bandage (203), the first bandage (203) is fixed to one end of the flexible cloth (201); The second bandage (204), the second bandage (204) is fixed on the other end of the flexible cloth (201), and the free ends of the first bandage (203) and the second bandage (204) can be connected by magic paste connection, A protective pad (205), the protective pad (205) is arranged between two pieces of flexible cloth (201). 4. A knee joint immobilizer according to claim 3, characterized in that: the second bandage (204) is provided with an insertion hole (202), and the second fixing sleeve (107) is provided with a The insertion hole (202) corresponds to the fixing hole, and the insertion hole (202) and the fixing hole are used for passing through the movable strap to connect the protection mechanism (2) to the adjustment support device (1). 5. A kind of knee joint immobilizer according to claim 1, characterized in that: Described fixed anti-slip mechanism (3) comprises: a belt (301), the left end of the belt (301) is connected with a lock groove (302); Buckle (303), the buckle (303) is connected to the inside of the lock groove (302); A connecting ring (304), the connecting ring (304) is arranged on the outer surface of the belt (301), and the bottom of the connecting ring (304) is fixed with a first connecting belt (305); a first fixing strip (306), the first fixing strip (306) is installed on the bottom of the first connecting belt (305); The first adjustment ring (307), the first connection belt (305) is inserted inside the first adjustment ring (307). 6. A knee joint immobilizer according to claim 5, characterized in that: the waist belt (301) is connected to the first fixing shell (101) through a first fixing strip (306), and the first fixing The bar (306) is fixedly installed above the outer wall of the first fixed casing (101). 7. A knee joint immobilizer according to claim 2, characterized in that: Described connection mechanism (4) comprises: a second connecting band (401), the upper end of the second connecting band (401) is fixed below the first fixed casing (101); A second fixing strip (402), the second fixing strip (402) is fixed above the outer wall of the second fixing casing (107); The second adjustment ring (403), the second connection belt (401) is inserted inside the second adjustment ring (403).

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