CN216439489U - Lower limb pad for fixing legs after knee joint replacement - Google Patents
Lower limb pad for fixing legs after knee joint replacement Download PDFInfo
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- CN216439489U CN216439489U CN202122149044.9U CN202122149044U CN216439489U CN 216439489 U CN216439489 U CN 216439489U CN 202122149044 U CN202122149044 U CN 202122149044U CN 216439489 U CN216439489 U CN 216439489U
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Abstract
The utility model discloses a lower limb pad for fixing legs after knee joint replacement, which belongs to the technical field of medical auxiliary tools and comprises: the base is provided with a first fixing piece, a second fixing piece and a third fixing piece; one end of the first fixing piece is hinged with one side of the base through a first pivot; the other end of the first fixing piece is hinged with one end of the first fixing piece through a first pivot; the other end of the second fixing piece is provided with a damping gear, a guide rack is arranged below the second fixing piece on the base, and the damping gear is meshed with the guide rack; the guide rack is positioned on one side of the base, which is far away from the joint of the first fixing piece and the base; the guide direction of the guide rack is vertical to the axis of the first pivot; the third fixing piece is arranged at one end of the second fixing piece far away from the first fixing piece. The angle of the cushion body is adjustable, the condition that the recovery of the knee joint is influenced after the patient moves the position of the lower limb due to discomfort can be avoided, the use is convenient, and the practicability is high.
Description
Technical Field
The utility model relates to the technical field of medical auxiliary tools, in particular to a lower limb pad for fixing legs after knee joint replacement.
Background
Currently, knee joint replacement is a relatively mature orthopedic surgery, has certain procedural operation specifications and modes, mainly comprises the steps of removing diseased soft tissues in joints, destroying articular cartilage and subchondral bone, and achieving the geometric shape suitable for mounting artificial joints. And (5) mounting the knee joint femoral side prosthesis, the knee joint tibial side prosthesis and the gasket, and suturing the wound.
Numerous domestic and foreign researches show that the fixation of the early moderate bent position after the knee joint operation can obviously reduce the total blood loss and blood transfusion of the patient after the operation, the swelling after the knee joint replacement is light, the satisfaction degree of the patient is improved, and the early rehabilitation of the patient is facilitated.
However, the traditional method for fixing the post-operation knee joint flexion is to fix the knee joint by using a dressing or clothes under the knee joint, but the angle of the method is difficult to be accurate, the function of accurately adjusting the angle according to the requirement is lacked, and medical staff are needed to help the patient to flex the knee joint when the knee joint is exercised, so that the operation is inconvenient, the patient is injured secondarily due to the overlarge movement angle, time and labor are wasted, and the method is not suitable for popularization and use.
To this end, the present invention provides a lower limb pad for leg immobilization after knee replacement surgery.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned deficiencies of the prior art, the present invention provides a lower limb pad for leg fixation after knee replacement.
The utility model relates to a lower limb cushion for fixing legs after knee joint replacement, which is realized by the following technical scheme:
a lower limb pad for post-knee replacement leg immobilization, comprising:
the base is provided with a first fixing piece, a second fixing piece and a third fixing piece;
one end of the first fixing piece is hinged with one side of the base through a first pivot; the other end of the first fixing piece is hinged with one end of the second fixing piece through a first pivot; the other end of the second fixing piece is provided with a damping gear, a guide rack is arranged below the second fixing piece on the base, and the damping gear is meshed with the guide rack;
the guide rack is positioned on one side of the base, which is far away from the joint of the first fixing piece and the base; the guide direction of the guide rack is vertical to the axis of the first pivot;
the third fixing piece is arranged at one end, far away from the first fixing piece, of the second fixing piece.
Furthermore, sliding grooves are formed in two sides of the base and are arranged in parallel with the guide toothed rail;
the two sides of one end, far away from the first fixing part, of the second fixing part are provided with connecting pieces, and the two connecting pieces are respectively connected in a sliding mode in the corresponding sliding grooves.
Furthermore, two sides of one end, far away from the first fixing piece, of the second fixing piece are provided with spherical connecting columns; one end of the connecting piece is provided with a clamping groove, and the connecting piece is clamped on the spherical connecting column through the clamping groove;
the other end of the connecting piece is provided with a spherical sliding block, and the spherical sliding block is connected with the sliding groove in a sliding fit manner.
Further, the lower limb cushion also comprises:
the connecting base is U-shaped and is arranged at the bottom of one end, far away from the first fixing piece, of the second fixing piece;
damping gear is vertical set up in inside the connection base, and its middle part wears to be equipped with the dwang, the dwang both ends pass respectively the lateral wall setting of connection base.
Further, dwang one end is provided with a driving motor, a driving motor with dwang electric connection, a driving motor is used for the drive the second mounting along the direction rack removes.
Furthermore, a second driving motor is arranged at the hinged position of a second pivot of the first fixing piece and the second fixing piece, the second driving motor is electrically connected with the second pivot, and the second driving motor is used for driving the first fixing piece to rotate around the base.
Further, the lower limb cushion also comprises a control device arranged on the base, and the control device comprises:
the controller is electrically connected with the angle sensor, the first driving motor and the second driving motor;
the operation panel is electrically connected with the controller and used for inputting instructions;
and the display screen is electrically connected with the controller and is used for displaying the working state of each part.
Furthermore, a first breathable net is arranged in the middle of the first fixing piece, and a second breathable net is arranged in the middle of the second fixing piece.
Further, first shank fixed band is provided with to first mounting both sides, connect through the magic subsides between two first shank fixed bands.
Furthermore, second leg fixing straps are arranged on two sides of the second fixing piece and connected through a hook and loop fastener.
Furthermore, foot fixing belts are arranged on two sides of the third fixing piece, and the two foot fixing belts are connected through a magic tape.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a lower limb cushion for fixing legs after knee joint replacement, which comprises a base, a first fixing piece, a second fixing piece and a third fixing piece. One end of the first fixing piece is hinged with one side of the base through a first pivot, so that the angle formed between the first fixing piece and the base can be conveniently adjusted; the other end of first mounting passes through the second pivot with the one end of second mounting and articulates, through adjusting the damping gear position on the direction cogged rail with the first mounting and the angle that is between the second mounting fix a certain position, thereby when making the user use, can realize fixed to the bucking of its knee joint, and then reduce total blood loss and the volume of transfusing of patient's postoperative, the knee joint replacement postoperative swelling is lighter, improve patient's satisfaction, be favorable to patient's early rehabilitation.
One end, far away from the first fixing piece, of the second fixing piece is meshed and connected with the guide rack arranged on the base along the length direction of the second fixing piece, so that the second fixing piece can move along the guide rack when the angle formed between the first fixing piece and the second fixing piece is adjusted, and the position deviation of the device is avoided, and the fixing effect is prevented from being influenced; meanwhile, due to the existence of the teeth, the guide rack can fix the position of the second fixing piece at a certain position on the guide rack under the action of no external force, so that the angle formed between the first fixing piece and the second fixing piece is fixed at a certain position.
The lower limb cushion can also meet the requirement that the flexion angle of the knee joint of the user is gradually changed by gradually adjusting the angle formed between the first fixing piece and the second fixing piece, so that the user can realize the flexion exercise of the knee joint of the user through passive movement, and the postoperative early rehabilitation of the patient is facilitated. And the third mounting of this embodiment sets up in the one end that first mounting was kept away from to the second mounting to the realization is to the fixed of user's foot, avoids user's low limbs to take exercise the in-process to the knee joint and removes, and the condition that influences the exercise effect takes place.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic diagram of the connection relationship of the controller according to the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It should be noted that the controller used in the present invention is model number STM8L052R8T6, and the angle sensor used in the present invention is model number MA730 GQ.
The embodiment provides a lower limb pad for leg fixation after knee replacement, which comprises a base 1, a first fixing part 2, a second fixing part 3 and a third fixing part 5. One end of the first fixing part 2 is hinged with one side of the base 1 through a first pivot, so that the angle formed between the first fixing part 2 and the base 1 can be conveniently adjusted; the other end of first mounting 2 and the one end of second mounting 3 are passed through the second pivot articulated, and be provided with angle sensor 4 on the second pivot, thereby be convenient for the accurate angle that is between first mounting 2 and the second mounting 3 of adjusting, fix a certain position through the angle that is between 2 with first mounting 2 and the second mounting 3, thereby when making the user use, can realize fixed to the bucking of its knee joint, and then reduce total blood loss and the volume of transfusing of patient postoperative, the knee joint replacement postoperative swelling is lighter, improve patient's satisfaction, be favorable to patient's early rehabilitation.
In the embodiment, one end of the second fixing part 3, which is far away from the first fixing part 2, is meshed and connected with the guide rack 11 arranged on the base 1 along the length direction of the base, so that when the angle formed between the first fixing part 2 and the second fixing part 3 is adjusted, the second fixing part 3 can move along the guide rack 11, and the position deviation of the device is avoided, and the fixing effect is not influenced; meanwhile, due to the existence of the teeth, the guide rack 11 can fix the position of the second fixing member 3 at a certain position on the guide rack 11 under the action of no external force, so that the angle formed between the first fixing member 2 and the second fixing member 3 is fixed at a certain position.
The lower limb pad of this embodiment also can satisfy through gradually adjust first mounting 2 and the angle that is between the second mounting 3, and then gradually change the bucking angle of user knee joint to make the user realize through passive motion taking exercise to the bucking of its knee joint, help patient's postoperative early recovery. And the third mounting 5 of this embodiment sets up in the one end that first mounting 2 was kept away from to second mounting 3 to the realization is to the fixed of user's foot, avoids user's low limbs to take exercise the in-process and remove, and the condition that influences the effect of taking exercise takes place to the knee joint.
In order to realize the meshing connection between the second fixing member 3 and the guide rack 11, in another preferred embodiment of the present invention, the lower limb cushion further comprises a connecting base 31, and the connecting base 31 is U-shaped and is disposed at the bottom of the end of the second fixing member 3 away from the first fixing member 2. Connecting base 31 is inside to be vertically provided with damping gear 32, and damping gear 32 middle part is worn to be equipped with dwang 33, and the lateral wall setting of connecting base 31 is passed respectively at dwang 33 both ends to make damping gear 32 can rotate around connecting base 31. The damping gear 32 is engaged with the guide rack 11, when adjusting the angle between the second fixing member 3 and the first fixing member 2, the damping gear 32 is driven by the second fixing member 3 to move on the guide rack 11, and when the angle between the second fixing member 3 and the first fixing member 2 is fixed, the damping gear 32 is clamped on the guide rack 11, so as to ensure the angle between the second fixing member 3 and the first fixing member 2 to be fixed.
In order to enable the second fixing member 3 to slide on the guide rack 11 smoothly during the use of the user, in another preferred embodiment of the present invention, sliding grooves 12 are formed on both sides of the base 1 and are parallel to the guide rack 11, and connecting members 13 are formed on both sides of one end of the second fixing member 3 away from the first fixing member 2, and the two connecting members 13 are connected to the corresponding sliding grooves 12 in a sliding manner, respectively, so as to ensure that the second fixing member 3 can slide on the guide rack 11 smoothly.
In order to avoid that the connecting piece 13 obstructs the height change of the second fixed member 3 during the movement, in another preferred embodiment of the utility model, a ball connecting column 34 is provided on both sides of the end of the second fixed member 3 remote from the first fixed member 2; a clamping groove 131 is formed at one end of the connecting piece 13, and the width of the notch of the clamping groove 131 is smaller than the ball diameter of the ball-shaped connecting post 34, so that the connecting piece 13 is clamped on the ball-shaped connecting post 34 through the clamping groove 131. And a spherical slider 132 is arranged at the other end of the connecting piece 13, and the spherical slider 132 is connected with the chute 12 in a sliding fit manner. Therefore, the second fixing member 3 can move smoothly along the guide rack 11 under the restriction of the connecting member 13, and the angle between the connecting member 13 and the second fixing member 3 can be changed along with the moving state of the second fixing member 3, so that the normal movement of the second fixing member 3 is not affected.
In order to facilitate the driving of the second fixing member 3 along the guide rack 11, in another preferred embodiment of the present invention, a first driving motor 6 is provided at one end of the rotating rod 33, and the first driving motor 6 is electrically connected to the rotating rod 33.
In order to facilitate the adjustment of the angle between the second fixing member 3 and the first fixing member 2, in another preferred embodiment of the present invention, a second driving motor 7 is disposed at the hinge joint of the second pivot of the first fixing member 2 and the second fixing member 3, and the first driving motor 6 is electrically connected to the second pivot.
In order to facilitate controlling the corresponding components to change their states, in another preferred embodiment of the present invention, the lower limb cushion further includes a control device 8 disposed on the base 1, and the control device 8 of this embodiment specifically includes a controller 81, an operation panel 82 and a display screen 83, where the controller 81 is electrically connected to the angle sensor 4, the first driving motor 6 and the second driving motor 7, and is configured to receive signals from the angle sensor 4, the first driving motor 6 and the second driving motor 7 or send signals to the angle sensor 4, the first driving motor 6 and the second driving motor 7; the operation panel 82 is electrically connected to the controller 81 for a user to input an instruction; the display screen 83 is electrically connected to the controller 81 for displaying the operating status of each component.
In order to avoid the influence of the movement of the lower limbs of the user on the exercise effect during the knee joint exercise of the user, in another preferred embodiment of the utility model, first leg fixing straps 21 are arranged on two sides of the first fixing piece 2, and the two first leg fixing straps 21 are connected through a magic tape; second leg fixing straps 35 are arranged on two sides of the second fixing piece 3, and the two second leg fixing straps 35 are connected through a magic tape; foot fixing straps 51 are arranged on both sides of the third fixing member 5, and the two foot fixing straps 51 are connected by a hook and loop fastener.
In order to avoid discomfort of the user due to long-term contact with the lower limb pad, in another preferred embodiment of the utility model, a first breathable net is arranged in the middle of the first fixing member 2; a second breathable net is arranged in the middle of the second fixing piece 3.
It is to be understood that the above-described embodiments are only a few embodiments of the present invention, and not all 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.
Claims (10)
1. A lower limb pad for leg immobilization after knee arthroplasty, comprising: the device comprises a base (1), and a first fixing piece (2), a second fixing piece (3) and a third fixing piece (5) which are arranged on the base (1);
one end of the first fixing piece (2) is hinged with one side of the base (1) through a first pivot; the other end of the second fixing piece is hinged with one end of the second fixing piece (3) through a second pivot; the other end of the second fixing piece (3) is provided with a damping gear (32), a guide rack (11) is arranged below the second fixing piece (3) and on the base (1), and the damping gear (32) is meshed with the guide rack (11);
the guide rack (11) is positioned on one side of the base (1) far away from the joint of the first fixing piece (2) and the base (1); the guiding direction of the guide rack (11) is vertical to the first pivot axis;
the third fixing piece (5) is arranged at one end, far away from the first fixing piece (2), of the second fixing piece (3).
2. The lower limb cushion according to claim 1, characterized in that sliding grooves (12) are formed in both sides of the base (1), and the sliding grooves (12) are arranged in parallel with the guide rack (11);
the two sides of one end, far away from the first fixing part (2), of the second fixing part (3) are provided with connecting parts (13), and the two connecting parts (13) are respectively connected in a sliding mode in the corresponding sliding grooves (12).
3. The lower limb cushion according to claim 2, characterized in that the second fixing part (3) is provided with a ball-shaped connecting column (34) on both sides of one end away from the first fixing part (2); one end of the connecting piece (13) is provided with a clamping groove (131), and the connecting piece (13) is clamped on the spherical connecting column (34) through the clamping groove (131);
the other end of the connecting piece (13) is provided with a spherical sliding block (132), and the spherical sliding block (132) is connected with the sliding groove (12) in a sliding fit manner.
4. The lower limb cushion of claim 1, further comprising:
the connecting base (31) is U-shaped and is arranged at the bottom of one end, far away from the first fixing piece (2), of the second fixing piece (3);
damping gear (32) vertical set up in connection base (31) inside, and its middle part wears to be equipped with dwang (33), dwang (33) both ends are passed respectively the lateral wall setting of connection base (31).
5. The lower limb cushion according to claim 4, wherein one end of the rotating rod (33) is provided with a first driving motor (6), and the first driving motor (6) is electrically connected with the rotating rod (33);
a second driving motor (7) is arranged at the hinged position of a second pivot of the first fixing piece (2) and the second fixing piece (3), and the second driving motor (7) is electrically connected with the second pivot;
and one end of the second pivot is provided with an angle sensor (4).
6. The lower extremity cushion of claim 5 wherein said first pivot axis is parallel to the axis of said second pivot axis.
7. The lower limb cushion according to claim 5, further comprising a control device (8) provided on the base (1), the control device (8) comprising:
the controller (81) is electrically connected with the angle sensor (4), the first driving motor (6) and the second driving motor (7);
an operation panel (82) electrically connected to the controller (81) for inputting instructions;
and the display screen (83) is electrically connected with the controller (81) and is used for displaying the working state of each part.
8. The lower limb cushion according to claim 1, characterized in that a first breathable net is arranged in the middle of the first fixing part (2); first fixed part (2) both sides are provided with first shank fixed band (21), two connect through the magic subsides between first shank fixed band (21).
9. The lower limb cushion according to claim 7, characterized in that a second breathable net is arranged in the middle of the second fixing part (3); second shank fixed band (35) are provided with to second mounting (3) both sides, two connect through the magic subsides between second shank fixed band (35).
10. The lower limb cushion according to claim 1, wherein foot fixing belts (51) are arranged on both sides of the third fixing member (5), and the two foot fixing belts (51) are connected by a magic tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122149044.9U CN216439489U (en) | 2021-09-07 | 2021-09-07 | Lower limb pad for fixing legs after knee joint replacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122149044.9U CN216439489U (en) | 2021-09-07 | 2021-09-07 | Lower limb pad for fixing legs after knee joint replacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216439489U true CN216439489U (en) | 2022-05-06 |
Family
ID=81347000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122149044.9U Active CN216439489U (en) | 2021-09-07 | 2021-09-07 | Lower limb pad for fixing legs after knee joint replacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216439489U (en) |
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2021
- 2021-09-07 CN CN202122149044.9U patent/CN216439489U/en active Active
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