CN113317965A - Hip and knee bending angle adjusting device and method - Google Patents
Hip and knee bending angle adjusting device and method Download PDFInfo
- Publication number
- CN113317965A CN113317965A CN202110683045.3A CN202110683045A CN113317965A CN 113317965 A CN113317965 A CN 113317965A CN 202110683045 A CN202110683045 A CN 202110683045A CN 113317965 A CN113317965 A CN 113317965A
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- fixing plate
- angle adjusting
- hip
- rod
- base
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus ; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0237—Stretching or bending or torsioning apparatus for exercising for the lower limbs
- A61H1/0244—Hip
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus ; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0237—Stretching or bending or torsioning apparatus for exercising for the lower limbs
- A61H1/024—Knee
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/08—Trunk
- A61H2205/088—Hip
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/10—Leg
- A61H2205/102—Knee
Abstract
The hip bending and knee bending angle adjusting device comprises a base, a hip joint angle adjusting assembly and a knee joint angle adjusting assembly, wherein the hip joint angle adjusting assembly comprises a thigh fixing part and a hip joint adjusting part, the hip adjusting part comprises a supporting rod, an angle adjusting rod and a driving mechanism, one end of the supporting rod is rotatably arranged on the base, the other end of the supporting rod is fixed on a thigh fixing plate, one end of the angle adjusting rod is rotatably arranged on the supporting rod, the other end of the angle adjusting rod is arranged on the driving mechanism, the knee joint angle adjusting assembly comprises a shank fixing part and a knee joint adjusting part, one end of the shank fixing plate is movably arranged on the thigh fixing plate, and the knee joint adjusting part comprises a rotary driving mechanism. The hip bending angle is adjusted through the hip joint angle adjusting component, the knee joint angle adjusting component is used for adjusting the knee bending angle, so that the required accurate angle is achieved, the patient is in a comfortable posture, and the patient can be quickly recovered.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a device for adjusting hip and knee bending angles of hip joints and a method for adjusting by adopting the device.
Background
In the hip joint replacement hand for treating hip joint dislocation, because nerve traction is involved, a patient needs to keep a hip bending and knee bending position after operation, namely 60 degrees of hip bending and 90 degrees of knee bending, and the keeping time generally needs 12 hours. Then, the doctor in charge will check whether the sensory and movement of the affected limb is normal, if so, the patient will be helped to actively and slowly change the angle of the hip and knee joint until the patient feels numbness or pain, and the increase of the angle of the hip and knee joint is immediately stopped until the leg is laid flat.
In the prior art, postoperative medical personnel generally keep a patient in a 60-degree hip bending and 90-degree knee bending position by adopting pillows or foam-rubber cushions, but the hip bending angle and the knee bending angle cannot accurately reach the 60-degree hip bending and 90-degree knee bending positions by adopting the mode, and meanwhile, the angle cannot be adjusted, so that the treatment effect is influenced.
Disclosure of Invention
In view of the above, the present invention provides a device for adjusting hip flexion and knee flexion angles of a hip joint and an adjusting method thereof, which are used to solve the problems of inaccurate hip flexion angles and knee flexion angles and incapability of adjusting angles in the prior art.
One of the purposes of the invention is realized by the following technical scheme:
the hip bending and knee bending angle adjusting device comprises a base, a hip joint angle adjusting assembly and a knee joint angle adjusting assembly, wherein the hip joint angle adjusting assembly is arranged on the base and used for supporting and adjusting the hip bending angle of a hip joint, the knee joint angle adjusting assembly is used for supporting and adjusting the knee joint bending angle of the knee joint, the hip joint angle adjusting assembly comprises a thigh fixing part and a hip joint adjusting part, the thigh fixing part comprises a thigh fixing plate and a fixing belt, the fixing belt is arranged on the thigh fixing plate and used for fixing the thigh of a patient, the hip adjusting part comprises a supporting rod, an angle adjusting rod and a driving mechanism, one end of the supporting rod is rotatably arranged on the base, the other end of the supporting rod is fixed on the thigh fixing plate, one end of the angle adjusting rod is rotatably arranged on the supporting rod, the other end of the angle adjusting rod is arranged on the driving mechanism, and under the action of the driving mechanism, the angle adjusting rod moves to drive the supporting rod to rotate relative to the base and drive the thigh fixing plate to rotate relative to the base, the knee joint angle adjusting assembly comprises a shank fixing part and a knee joint adjusting part, the shank fixing part comprises a shank fixing plate and a fastening belt arranged on the shank fixing plate and used for fixing the shank of a patient, one end of the shank fixing plate is movably arranged on the thigh fixing plate, a continuous leg accommodating space is formed between the shank fixing plate and the thigh fixing plate, the knee joint adjusting part comprises a rotary driving mechanism arranged on the base, and the rotary driving mechanism drives the shank fixing plate to rotate relative to the thigh fixing plate.
Further, actuating mechanism including set up in rotating electrical machines on the base, set up be in rotating electrical machines output shaft on the threaded rod, with threaded rod screw-thread fit's horizontal slider with the horizontal migration pole that the horizontal slider is fixed, be provided with the horizontal migration groove on the base, the horizontal migration pole is provided with in the horizontal migration inslot, the one end of angle adjusting lever articulates on the horizontal migration pole.
Furthermore, the rotary motor, the threaded rod and the horizontal sliding block are respectively provided with a group at two sides of the base, the horizontal moving rod stretches across the left side and the right side of the base, and the angle adjusting rod is arranged in the middle area of the horizontal moving rod.
Furthermore, the rotary driving mechanism comprises a support and an electric push rod arranged on the support, the support is detachably fixed with the base, one end of the electric push rod is fixed with the support, and the other end of the electric push rod is slidably supported on the shank fixing plate.
Furthermore, a wear-resistant block is arranged between the electric push rod and the shank fixing plate, and a cambered surface which is matched with the shank fixing plate in shape is arranged on the wear-resistant block.
Furthermore, the base is of a multi-section combined structure, and a pedal is slidably arranged in front of the shank fixing plate.
Furthermore, the thigh fixing plate and the shank fixing plate are both inwards concave arc plates, and soft cushion layers are arranged on the arc surfaces of the arc plates.
And the angle display system is used for displaying an included angle between the thigh fixing plate and the base and an included angle between the shank fixing plate and the thigh fixing plate.
The second purpose of the invention is realized by the following technical scheme:
the method for adjusting the hip and knee bending angle adjusting device comprises the following steps: the patient operation limb is fixed in the leg accommodating space, the included angle between the thigh fixing plate and the base is adjusted through the rotating motor, and the included angle between the shank fixing plate and the thigh fixing plate is adjusted through the electric push rod.
The invention has the beneficial effects that:
the hip bending angle is adjusted through the hip joint angle adjusting component, the knee joint angle adjusting component is used for adjusting the knee bending angle, so that the required accurate angle is achieved, the patient is in a comfortable posture, and the patient can be quickly recovered.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
FIG. 1 is a schematic view of a first aspect of the present invention;
FIG. 2 is a schematic view from a second perspective of the present invention;
FIG. 3 is a schematic view from a third perspective of the present invention;
FIG. 4 is a schematic view of increasing hip joint angle;
FIG. 5 is a schematic view of reducing the angle of the hip joint;
FIG. 6 is a schematic view of increasing knee joint angle;
fig. 7 is a schematic illustration of reducing hip-knee angle.
In the figure:
1-a base; 2-thigh fixing plate; 3, fixing the belt; 4-a support bar; 5-adjusting an angle rod; 6-a rotating electrical machine; 7-a threaded rod; 8-horizontal sliding block; 9-horizontal moving rod; 10-a horizontal moving tank; 11-shank fixation plate; 12-a fastening tape; 13-a revolute pair; 14-a leg receiving space; 15-a support; 16-an electric push rod; 17-a wear-resistant block; 18-foot pedal.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the above description of the present invention, it should be noted that the terms "one side", "the other side" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Further, the term "identical" and the like do not mean that the components are absolutely required to be identical, but may have slight differences. The term "perpendicular" merely means that the positional relationship between the components is more perpendicular than "parallel", and does not mean that the structure must be perfectly perpendicular, but may be slightly inclined.
As shown in fig. 1 to 3, the present invention provides a hip bending and knee bending angle adjusting device, which comprises a base 1, a hip joint angle adjusting assembly and a knee joint angle adjusting assembly, wherein the hip joint angle adjusting assembly is used for supporting and adjusting a hip bending angle of a hip joint, and the knee joint angle adjusting assembly is used for supporting and adjusting a knee bending angle of a knee joint, specifically:
the hip joint angle adjusting component comprises a thigh fixing part and a hip joint adjusting part,
the thigh fixing part comprises a thigh fixing plate 2 and a fixing band 3 which is arranged on the thigh fixing plate and used for fixing the thigh of the patient, wherein the fixing band can be a nylon band or a rubber band, and a magic tape is arranged on the fixing band and can be used for fixing the thigh of the patient;
the hip adjusting part comprises a supporting rod 4, an angle adjusting rod 5 and a driving mechanism, wherein two ends of the supporting rod are respectively fixed with the thigh fixing plate and the base, and in order to enable the supporting rod to have rotational freedom, the supporting rod is at least hinged with the base, so that the thigh fixing plate can rotate relative to the base to adjust the corresponding hip angle; one end of the angle adjusting rod is fixed with the driving mechanism, and the other end of the angle adjusting rod is rotatably arranged on the supporting rod, so that under the action of the driving mechanism, the angle adjusting rod generates rotary motion, drives the supporting rod to rotate relative to the base, and drives the thigh fixing plate to rotate relative to the base, thereby realizing the adjustment of the hip;
the actuating mechanism of this embodiment includes rotating electrical machines 6, threaded rod 7, horizontal sliding block 8 and horizontal migration pole 9, rotating electrical machines is fixed with the base, its output shaft is connected with the threaded rod, be provided with the screw hole in the horizontal sliding block, threaded rod and screw hole screw-thread fit, thereby make horizontal slip can make horizontal migration for the base, and simultaneously, horizontal migration pole is fixed with horizontal sliding block again, thereby drive horizontal migration pole removal, and simultaneously, the one end of angle adjusting pole articulates on horizontal migration pole, thereby drive the motion of angle adjusting pole, for realizing better removal, be provided with horizontal migration groove 10 on the base, set up horizontal migration pole at the horizontal migration inslot, thereby make horizontal migration more steady.
The rotating motor and the stepping motor of the embodiment can accurately control angular displacement, so that requirements of different angles are met.
Also, the hip joint angle adjusting component comprises a lower leg fixing part and a knee joint adjusting part,
the shank fixing part comprises a shank fixing plate 11 and a fastening belt 12 which is arranged on the shank fixing plate and used for fixing the shank of the patient, wherein the fastening belt can also be a nylon belt or a rubber belt, and a magic tape is arranged on the fastening belt and can be used for fixing the shank of the patient;
in this embodiment, the shank fixing plate and the thigh fixing plate are adjacently arranged and are connected through the revolute pair 13, so that the shank fixing plate and the thigh fixing plate can rotate relatively, and meanwhile, a continuous leg accommodating space 14 can be formed between the shank fixing plate and the thigh fixing plate, so that the shank fixing plate and the thigh fixing plate can be friendly to store, and the comfort of a patient is improved.
The knee joint adjusting part is a rotary driving mechanism arranged on the base, the mechanism specifically comprises a support 15 and an electric push rod 16 arranged on the support, the support is connected with the base through a bolt or a screw, the detachable connection is realized, one end of the electric push rod is fixed with the support, and the other end of the electric push rod is slidably supported on the shank fixing plate. Therefore, when the electric push rod moves in a telescopic mode, the shank fixing plate can be driven to rotate around the thigh fixing plate, and the angle of the knee joint can be adjusted.
This embodiment is when using, at first places this device on the sick bed, then in the patient puts into the leg accommodation space on shank fixed plate and the thigh fixed plate with the operation limb, then with the fixed thigh of fixed band, with the fixed shank of fastening band, carry out angle modulation at last:
1. hip joint angle adjustment
Assuming that the rotating motor rotates forward to move the horizontal sliding block leftward, as shown in fig. 4, if the angle needs to be increased, the rotating motor rotates in reverse direction, the horizontal sliding block moves rightward to drive the thigh fixing plate to rotate rightward, so that the included angle between the thigh fixing plate and the base is increased; on the contrary, the rotating motor is required to rotate in the forward direction, the horizontal sliding block moves leftwards to drive the thigh fixing plate to rotate leftwards, and the included angle between the thigh fixing plate and the base is reduced, as shown in fig. 5.
2. Knee joint angle adjustment
As shown in fig. 6, when the knee bending angle needs to be increased, the electric push rod needs to be retracted and separated from the lower leg fixing plate, the lower leg fixing plate falls down under the action of gravity due to the loss of the support of the electric push rod, and the other end rotates counterclockwise around the thigh fixing plate, so that the angle between the lower leg fixing plate and the upper leg fixing plate is increased, namely the knee bending angle; on the contrary, the electric push rod extends out, and the shank fixing plate rotates clockwise around the thigh fixing plate, so that the angle between the shank fixing plate and the thigh fixing plate is reduced, as shown in fig. 7.
As the improvement of this embodiment, rotating electrical machines, threaded rod and horizontal slider respectively set up a set ofly in the both sides of base, and horizontal migration pole spanes in the left and right sides of base, and the angle adjusting lever sets up in the middle part region of horizontal migration pole, when selecting the same motor to the live force that makes little translation move the pole and receive is unanimous, and is more steady to the drive power of angle adjusting lever.
As an improvement of this embodiment, as shown in fig. 3, a wear-resistant block 17 is disposed between the electric push rod and the shank fixing plate, the wear-resistant block can be made of graphite material, so that on one hand, wear resistance is achieved, on the other hand, friction coefficient can be reduced, and resistance can be reduced.
As an improvement of this embodiment, as shown in fig. 1-3, the base is a multi-section combination structure, so that the size is adjustable and the base is suitable for different people.
As a modification of this embodiment, as shown in fig. 1, in order to avoid suspending the patient's feet, a foot rest 18 is provided in front of the lower leg fixing plate to support the patient's feet. In addition, the pedal plate is arranged on the base in a sliding mode, so that the size of the pedal plate is adjusted to be different, and the pedal plate is suitable for more people to use.
As an improvement of this embodiment, as shown in fig. 1 to 3, the thigh fixing plate and the shank fixing plate are both inwardly concave arc plates, the arc plates have an arc shape corresponding to the leg of the human body, so as to improve the comfort, and meanwhile, a cushion layer, such as a silica gel layer, a plastic layer, etc., is arranged on the arc surface of the arc plates, so as to further improve the comfort.
As a modification of this embodiment, an angle display system (not shown) is further included for displaying the included angle between the thigh fixing plate and the base and the included angle between the shank fixing plate and the thigh fixing plate. The angle display system at least comprises a display screen, two angle displacement sensors and a processor, wherein the two angle displacement sensors are arranged, one is arranged on a hinge connected with a supporting rod and a base and can record the rotating state of the supporting rod, and the other is arranged on a revolute pair connected with a shank fixing plate and a thigh fixing plate and records the rotating state of the revolute pair, so that the rotating angles of the hip joint and the knee joint can be recorded in real time, and meanwhile, the processor processes the rotating angles to obtain angle values so as to guide the operation of nursing personnel.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. The hip bending and knee bending angle adjusting device is characterized by comprising a base, a hip joint angle adjusting assembly and a knee joint angle adjusting assembly, wherein the hip joint angle adjusting assembly is arranged on the base and used for supporting and adjusting the hip bending angle of a hip joint, the knee joint angle adjusting assembly is used for supporting and adjusting the knee joint bending angle of the knee joint, the hip joint angle adjusting assembly comprises a thigh fixing part and a hip joint adjusting part, the thigh fixing part comprises a thigh fixing plate and a fixing belt, the fixing belt is arranged on the thigh fixing plate and used for fixing the thigh of a patient, the hip adjusting part comprises a supporting rod, an angle adjusting rod and a driving mechanism, one end of the supporting rod is rotatably arranged on the base, the other end of the supporting rod is fixed on the thigh fixing plate, one end of the angle adjusting rod is rotatably arranged on the supporting rod, the other end of the angle adjusting rod is arranged on the driving mechanism, and the angle adjusting rod moves to drive the supporting rod to rotate relative to the base under the action of the driving mechanism, the knee joint angle adjusting assembly comprises a shank fixing part and a knee joint adjusting part, the shank fixing part comprises a shank fixing plate and a fastening belt arranged on the shank fixing plate and used for fixing the shank of a patient, one end of the shank fixing plate is movably arranged on the thigh fixing plate, a continuous leg accommodating space is formed between the shank fixing plate and the thigh fixing plate, the knee joint adjusting part comprises a rotary driving mechanism arranged on the base, and the rotary driving mechanism drives the shank fixing plate to rotate relative to the thigh fixing plate.
2. The hip and knee bending angle adjusting device according to claim 1, wherein the driving mechanism comprises a rotating motor disposed on the base, a threaded rod disposed on an output shaft of the rotating motor, a horizontal slider in threaded engagement with the threaded rod, and a horizontal moving rod fixed to the horizontal slider, a horizontal moving groove is disposed on the base, the horizontal moving rod is disposed in the horizontal moving groove, and one end of the angle adjusting rod is hinged to the horizontal moving rod.
3. The hip and knee bending angle adjusting device according to claim 2, wherein the rotating motor, the threaded rod and the horizontal sliding block are respectively provided in one set at two sides of the base, the horizontal moving rod spans at the left and right sides of the base, and the angle adjusting rod is provided at the middle area of the horizontal moving rod.
4. The hip-bending and knee-bending angle adjusting device according to claim 1, wherein the rotation driving mechanism comprises a support and an electric push rod arranged on the support, the support is detachably fixed with the base, one end of the electric push rod is fixed with the support, and the other end of the electric push rod is slidably supported on the shank fixing plate.
5. The hip bending and knee bending angle adjusting device according to claim 4, wherein a wear-resistant block is arranged between the electric push rod and the lower leg fixing plate, and an arc surface which is matched with the shape of the lower leg fixing plate is arranged on the wear-resistant block.
6. The hip and knee bending angle adjusting device according to claim 1, wherein the base is a multi-section combination structure, and a foot pedal is slidably disposed in front of the lower leg fixing plate.
7. The hip-bending and knee-bending angle adjusting device according to claim 1, wherein the thigh fixing plate and the shank fixing plate are both inwardly concave arc plates, and soft cushion layers are arranged on the arc surfaces of the arc plates.
8. The hip-bending and knee-bending angle adjusting device according to claim 1, further comprising an angle display system for displaying an included angle between the thigh fixing plate and the base and an included angle between the shank fixing plate and the thigh fixing plate.
9. The method for adjusting the hip and knee bending angle adjusting device according to any one of claims 1 to 8, wherein the operative limb of the patient is fixed in the leg accommodating space, the included angle between the thigh fixing plate and the base is adjusted by the rotary motor, and the included angle between the shank fixing plate and the thigh fixing plate is adjusted by the electric push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110683045.3A CN113317965A (en) | 2021-06-18 | 2021-06-18 | Hip and knee bending angle adjusting device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110683045.3A CN113317965A (en) | 2021-06-18 | 2021-06-18 | Hip and knee bending angle adjusting device and method |
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| CN113317965A true CN113317965A (en) | 2021-08-31 |
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| CN202110683045.3A Pending CN113317965A (en) | 2021-06-18 | 2021-06-18 | Hip and knee bending angle adjusting device and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113749910A (en) * | 2021-10-12 | 2021-12-07 | 北京铸正机器人有限公司 | Leg fixing and adjusting device |
| CN114209481A (en) * | 2021-12-04 | 2022-03-22 | 马林 | Intertrochanteric fracture traction fixing device |
| CN115645228A (en) * | 2022-12-09 | 2023-01-31 | 杭州大力神医疗器械有限公司 | Knee joint rehabilitation activity therapeutic instrument |
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