Disclosure of Invention
The invention aims to provide an orthosis for osteoarthritis of a hip joint, and aims to solve the technical problem that secondary injury or delayed rehabilitation time can be caused by the fact that the same correction force is continuously applied when the hip joint of a patient suffering from osteoarthritis of the hip joint is gradually recovered to a normal state in the prior art.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
an orthosis for the osteoarthritis of the hip comprises a pelvis seat and a leg sleeve, wherein the pelvis seat and the leg sleeve respectively surround the hip and the thigh of a patient suffering from the osteoarthritis of the hip through fastening belts arranged at the ends of the pelvis seat and the leg sleeve, the pelvis seat and the leg sleeve are connected through a rigid connecting rod to form a rigid fixing structure used for relieving the compression load of the hip of the patient suffering from the osteoarthritis of the hip on the hip, an adjusting component used for assisting the varus and valgus of the hip of the patient suffering from the osteoarthritis of the hip is arranged at the position, corresponding to the position of the hip of the patient suffering from the osteoarthritis of the hip, on the inner side of the pelvis seat, and the adjusting component provides adjusting driving force for assisting the valgus and valgus of the hip of the patient suffering from the osteoarthritis of the hip through a power driving device arranged on the rigid connecting rod.
As a preferable mode of the present invention, the adjusting assembly includes an elastic pad disposed at a position corresponding to the position of the hip joint of the patient with the osteoarthritis of the hip joint, and a push rod having one end connected to an end of the elastic pad facing away from the hip joint of the patient with the osteoarthritis of the hip joint and the other end connected to a driving shaft of the power driving device, the push rod moves axially under the driving of the power driving device, and the axially moving push rod enlarges or reduces the distance between the power driving device and the elastic pad.
In a preferred embodiment of the present invention, the power driving unit is integrally formed with the rigid link, the power driving unit is located on a side of the rigid link facing the inside of the thigh of the hip osteoarthritis patient, and the driving shaft of the power driving unit is located facing the push rod, and the distance between the power driving unit and the elastic pad is identical to the distance between the rigid link and the elastic pad and has a changing state.
As a preferred embodiment of the invention, the enlargement and reduction of the distance between the rigid connecting bar and the elastic pad correspond to the valgus and varus movements, respectively, of the hip joint of a patient with osteoarthritis of the hip joint.
In a preferred embodiment of the present invention, one end of the rigid connecting rod is connected to the lower end of the pelvic seat, and the other end is connected to the upper end of the leg sleeve.
As a preferable scheme of the invention, a power supply device for supplying power to the power driving device is arranged on one side of the pelvic seat far away from the power driving device, and the power supply device is electrically connected with the power driving device.
As a preferred scheme of the invention, the power driving device is provided with a real-time adjusting module for adjusting and assisting the driving force for the hip joint varus and valgus of the hip joint osteoarthritis patient according to the real-time hip joint state matching correction path of the hip joint osteoarthritis patient, the real-time adjusting module comprises attitude sensors arranged on the back, thighs and calves, pressure sensors arranged on the soles and a main control processor for analyzing the information collected by the attitude sensors and the pressure sensors, and the main control processor analyzes the information collected by the attitude sensors and the pressure sensors by using a crutch circuit module and a human-computer interaction system of a client to match the correction path to obtain the data of the driving force for the adjustment of the hip joint varus and valgus of the hip joint osteoarthritis patient.
As a preferred scheme of the invention, the power driving device and the real-time adjusting module are interconnected through ports for data exchange, the adjusting driving force data is input into the power driving device from the ports by the real-time adjusting module, and the power driving device controls the axial movement of the mandril to apply the adjusting driving force corresponding to the inward turning and the outward turning of the hip joint of the hip osteoarthritis patient according to the adjusting driving force data.
As a preferable aspect of the present invention, there is provided a method for correcting the orthosis for osteoarthritis of the hip joint, including the steps of:
s1, respectively wearing a pelvic seat and a leg sleeve on the hip and the thigh of a patient with hip osteoarthritis, wherein a rigid connecting rod and a power driving device are positioned on the outer side of the thigh, an elastic pad is tightly attached to the position of a hip joint, a posture sensor of a real-time adjusting module is installed on the back, the thigh and the shank of the patient with hip osteoarthritis, and a pressure sensor is installed on the sole of the patient with hip osteoarthritis;
s2, the real-time adjusting module acquires the hip joint state in real time by using the posture sensors of the back, the thigh and the shank of the patient with the hip osteoarthritis and the pressure sensors of the soles, the correcting path is matched to acquire the adjusting driving force data required by the hip joint varus and valgus of the patient with the hip osteoarthritis, and when the hip joint state is matched with the correcting path terminal point, the step S5 is carried out;
s3, inputting the adjusting driving force data into a power driving device through a port by a real-time adjusting module, starting the power driving device, and controlling the axial movement of a mandril by the power driving device according to the adjusting driving force data to apply adjusting driving force corresponding to the inward turning and the outward turning of the hip joint of the hip osteoarthritis patient;
s4, after correcting the hip osteoarthritis patient for a period of time by the current adjusting driving force, closing the power driving device, and going to step S2;
s5, finishing correction, namely detaching the pelvis seat and the leg sleeve from the hip and the thigh of the patient with the hip osteoarthritis, detaching the posture sensor from the back, the thigh and the calf of the patient with the hip osteoarthritis, and detaching the pressure sensor from the sole of the patient with the hip osteoarthritis for standby.
As a preferred aspect of the present invention, the method for planning the orthodontic path includes:
the external computing host machine respectively performs gait analysis and comparison on a healthy volunteer and a hip joint osteoarthritis patient by using a three-dimensional gait analysis system, and respectively obtains the optimal kinematics and mechanics parameters of the hip joint osteoarthritis patient for the changes of time-distance parameters (step length, step speed and step frequency), hip joint kinematics parameters and biomechanical parameters (hip joint stress vertical axis component force) and dynamic myoelectric parameters (femoral lateral muscle surface myoelectric signals) of the testee in walking;
and the external computing host plans the correction path of the hip osteoarthritis patient according to the optimal kinematics and mechanical parameters of the hip osteoarthritis patient by utilizing the abnormal triggering and deformity correction biomechanical mechanism of the skeletal muscle group of the senile motor system disease and the adaptive characteristics of the senile motor system under the interaction of a human body and an orthosis.
Compared with the prior art, the invention has the following beneficial effects:
the hip joint correction path of the hip joint osteoarthritis patient is planned, the hip joint state of the hip joint osteoarthritis patient is monitored in real time, the power driving device is controlled to apply inward and outward turning adjusting driving force to the hip joint of the hip joint osteoarthritis patient according to the correction path corresponding to the hip joint state, so that the adjusting driving force is suitable for rehabilitation correction of the hip joint state of the current hip joint osteoarthritis patient, the adjusting driving force is adjusted in real time according to the hip joint state of the hip joint osteoarthritis patient and is used as the adjusting driving force for correcting force application, the correction requirement of the hip joint osteoarthritis patient is met, and the defects that secondary injury or recovery time delay can be caused due to the fact that the same correcting force application is not used in the correction process are avoided.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figures 1 and 2, the invention provides an orthopedic device for hip osteoarthritis, which comprises apelvis seat 1 and aleg sleeve 2, wherein thepelvis seat 1 and theleg sleeve 2 are respectively worn around the hip and the thigh of a patient with hip osteoarthritis throughbuckling belts 3 arranged at the ends of thepelvis seat 1 and theleg sleeve 2, thepelvis seat 1 and theleg sleeve 2 are connected through a rigid connecting rod 4 to form a rigid fixing structure for relieving the hip compression load of the hip of the patient with hip osteoarthritis, an adjusting component 5 for assisting the inner and outer turning of the hip joint of the patient with the coxarthrosis is arranged at the position, corresponding to the position of the hip joint of the patient with the coxarthrosis, on the inner side of thepelvis seat 1, and the adjusting component 5 provides adjusting driving force for assisting the inner and outer turning of the hip joint of the patient with the coxarthrosis through apower driving device 6 arranged on a rigid connecting rod 4.
The rigid connecting rod 4 can keep the distance between the hip and the thigh fixed, thereby ensuring that a proper gap is left at the hip joint and avoiding the arthritis and the pain caused by extrusion and compression.
The adjustment driving force is the correction force applied by the orthosis to the hip joint of the hip osteoarthritis patient.
As shown in fig. 1 and 3, the adjusting assembly 5 includes anelastic pad 501 disposed at a position corresponding to the position of the hip joint of the patient with hip osteoarthritis, and apush rod 502 having one end connected to the end of theelastic pad 501 facing away from the hip joint of the patient with hip osteoarthritis and the other end connected to the driving shaft of thepower driving device 6, wherein thepush rod 502 is axially moved by the lifting driving of thepower driving device 6, and the axially movedpush rod 502 enlarges or reduces the distance between thepower driving device 6 and theelastic pad 501.
Wherein, the end of theelastic pad 501 facing to the hip joint of the patient with the hip joint osteoarthritis is tightly attached to the skin surface of the hip joint of the patient with the hip joint osteoarthritis under the pressure action of thepelvis seat 1, theelastic pad 501 is still at the hip joint, thepower driving device 6, the hip joint and theelastic pad 501 jointly form a variable triangle, thepower driving device 6 controls the driving shaft to drive theejector rod 502 to lift up and axially move, theejector rod 502 which lifts up and axially moves expands the distance between thepower driving device 6 and theelastic pad 501, namely the triangle side between thepower driving device 6 and theelastic pad 501 extends, the vertex angle at the position of the hip joint is increased to maintain the triangle structure, corresponding to the eversion movement of the hip joint, thepower driving device 6 controls the driving shaft to drive theejector rod 502 to contract and axially move, theejector rod 502 which contracts and axially moves reduces the distance between thepower driving device 6 and the elastic pad, that is, the triangle side between thepower driving device 6 and theelastic pad 501 is shortened, and the vertex angle at the position of the hip joint is reduced to maintain the triangle structure, which corresponds to the hip joint inversion movement.
Thepower driving device 6 and the rigid connecting rod 4 are of an integrated structure, thepower driving device 6 is positioned at one side part of the rigid connecting rod 4 facing to the inner thigh of the hip osteoarthritis patient, the driving shaft of thepower driving device 6 is positioned towards theejector rod 502, and the distance between thepower driving device 6 and theelastic cushion 501 is consistent with the distance between the rigid connecting rod 4 and theelastic cushion 501 and has a consistent changing state.
Wherein, thepower driving device 6 faces the inner thigh of the patient with hip joint osteoarthritis, so that thepower driving device 6, themandril 502 and theelastic cushion 501 are positioned in the same plane, because thepower driving device 6 and the rigid connecting rod 4 have an integrated structure, thepower driving device 6 and the rigid connecting rod 4 have the same motion state, thepower driving device 6, the hip joint and theelastic cushion 501 jointly form a variable triangle to be changed into the rigid connecting rod 4, the hip joint and theelastic cushion 501 jointly form a variable triangle, thepower driving device 6 controls a driving shaft to drive themandril 502 to lift up and move axially, themandril 502 moving axially to lift up expands the distance between thepower driving device 6 and theelastic cushion 501, because the distance between thepower driving device 6 and theelastic cushion 501 is consistent with the distance between the rigid connecting rod 4 and theelastic cushion 501 and has the consistent change state, that is, the triangle side between the rigid connecting rod 4 and theelastic pad 501 extends, the vertex angle at the position of the hip joint increases to maintain the triangle structure, corresponding to the eversion movement of the hip joint, thepower driving device 6 controls the driving shaft to drive theejector rod 502 to contract and move axially, theejector rod 502 contracting and moving axially reduces the distance between thepower driving device 6 and theelastic pad 501, that is, the triangle side between the rigid connecting rod 4 and theelastic pad 501 shortens, and the vertex angle at the position of the hip joint decreases to maintain the triangle structure, corresponding to the eversion movement of the hip joint.
The enlargement and reduction of the distance between the rigid connecting rod 4 and theelastic pad 501 correspond to the eversion and inversion movements of the hip joint of a patient with osteoarthritis of the hip joint, respectively.
One end of the rigid connecting rod 4 is connected with the lower end part of thepelvis seat 1, and the other end is connected with the upper end part of theleg sleeve 2. Because the rigid connecting rod 4 and the thigh of the patient with the hip osteoarthritis are kept in a consistent motion state, the distance between the rigid connecting rod 4 and theelastic cushion 501 is consistent with the distance between the thigh of the patient with the hip osteoarthritis and theelastic cushion 501, and the same change state is provided, the rigid connecting rod 4, the hip joint and theelastic cushion 501 jointly form a variable triangle, and the variable triangle is coincided with the thigh of the patient with the hip osteoarthritis, the hip joint and theelastic cushion 501 jointly, so that thepower driving device 6 controls the driving shaft to drive theejector rod 502 to axially move, the inversion and eversion motions of the hip joint of a healthy person can be simulated, and the purpose of correcting the hip joint of the patient with the hip osteoarthritis is achieved.
Thepower supply device 7 for supplying power to thepower driving device 6 is arranged on one side, away from thepower driving device 6, of thepelvis seat 1, and thepower supply device 7 is electrically connected with thepower driving device 6 so as to avoid thepower supply device 7 from generating gravity compression on hip joints corrected by hip osteoarthritis patients.
As shown in fig. 4, thepower driving device 6 has a real-time adjustment module 8 for adjusting and assisting the driving force for the varus and valgus of the hip joint osteoarthritis patient according to the hip joint real-time state matching correction path of the hip joint osteoarthritis patient, the real-time adjustment module 8 includes aposture sensor 801 arranged on the back, thigh and calf, apressure sensor 802 arranged on the sole, and amain control processor 803 for analyzing the information collected by theposture sensor 801 and thepressure sensor 802, and themain control processor 803 obtains the adjustment driving force data required by the valgus and the valgus of the hip joint osteoarthritis patient by analyzing the information collected by theposture sensor 801 and thepressure sensor 802 and the correction path matching by using a crutch circuit module and a human-computer interaction system of a client.
Thepower driving device 6 and the real-time adjusting module 8 are interconnected through ports for data exchange, the adjusting driving force data is input into thepower driving device 6 from the ports through the real-time adjusting module 8, and thepower driving device 6 controls the axial movement of themandril 502 to apply adjusting driving force corresponding to the inward turning and the outward turning of the hip joint of the hip osteoarthritis patient according to the adjusting driving force data.
The driving force data is used for controlling the lifting force and the contraction force applied to themandril 502 by the driving shaft of thepower driving device 6, so that the increasing and reducing degrees of the vertex angle of the position of the hip joint in the variable triangle are controlled, and the degree of the eversion and inversion movement of the hip joint is realized.
The correction path is a plan of a correction scheme for correcting the hip osteoarthritis patient according to the rehabilitation development of the disease condition of the hip osteoarthritis patient, namely the correction path is composed of a plurality of driving force data, the driving force data in the correction path are distributed in a trend from an initial stage to a later stage, the corresponding disease condition from the initial stage to the later stage is gradually improved, and each correction period corresponds to one driving force data.
As shown in fig. 5, based on the above-mentioned orthosis structure for osteoarthritis of hip joint, the present invention provides an orthopedic method, comprising the steps of:
s1, respectively wearing a pelvic seat and a leg sleeve on the hip and the thigh of a patient with hip osteoarthritis, wherein a rigid connecting rod and a power driving device are positioned on the outer side of the thigh, an elastic pad is tightly attached to the position of a hip joint, a posture sensor of a real-time adjusting module is installed on the back, the thigh and the shank of the patient with hip osteoarthritis, and a pressure sensor is installed on the sole of the patient with hip osteoarthritis;
s2, the real-time adjusting module acquires the hip joint state in real time by using the posture sensors of the back, the thigh and the shank of the patient with the hip osteoarthritis and the pressure sensors of the soles, the correcting path is matched to acquire the adjusting driving force data required by the hip joint varus and valgus of the patient with the hip osteoarthritis, and when the hip joint state is matched with the correcting path terminal point, the step S5 is carried out;
s3, inputting the adjusting driving force data into a power driving device through a port by a real-time adjusting module, starting the power driving device, and controlling the axial movement of a mandril by the power driving device according to the adjusting driving force data to apply adjusting driving force corresponding to the inward turning and the outward turning of the hip joint of the hip osteoarthritis patient;
s4, after correcting the hip osteoarthritis patient for a period of time by the current adjusting driving force, closing the power driving device, and going to step S2;
s5, finishing correction, namely detaching the pelvis seat and the leg sleeve from the hip and the thigh of the patient with the hip osteoarthritis, detaching the posture sensor from the back, the thigh and the calf of the patient with the hip osteoarthritis, and detaching the pressure sensor from the sole of the patient with the hip osteoarthritis for standby.
After the hip osteoarthritis patient is corrected for a period of time, the current hip joint state of the hip osteoarthritis patient needs to be detected again, the driving force data in the correction path suitable for the hip joint state is matched according to the current hip joint state, specifically, if the hip joint state is improved, the hip joint state enters the correction period of improvement of the disease condition from the current period according to the correction path, if the hip joint state is deteriorated, the hip joint state enters the correction period of deterioration of the disease condition from the current period according to the correction path, the correction of the hip joint is monitored in real time, so that the driving force data is completely matched with the hip joint state, the hip joint of the hip osteoarthritis patient is corrected most suitably, the correction process is not continuously carried out according to the same direction of the correction path, the hip joint can jump to any position of the correction path according to the current condition of the hip joint, and the flexible purpose is achieved, the correction process only belonging to the disease rehabilitation of each hip osteoarthritis patient is formulated according to the hip osteoarthritis patient, the treatment effect is better, and the applicable population range is wider.
The planning method of the correcting path comprises the following steps:
the external computing host machine respectively performs gait analysis and comparison on a healthy volunteer and a hip joint osteoarthritis patient by using a three-dimensional gait analysis system, and respectively obtains the optimal kinematics and mechanics parameters of the hip joint osteoarthritis patient for the changes of time-distance parameters (step length, step speed and step frequency), hip joint kinematics parameters and biomechanical parameters (hip joint stress vertical axis component force) and dynamic myoelectric parameters (femoral lateral muscle surface myoelectric signals) of the testee in walking;
and the external computing host plans the correction path of the hip osteoarthritis patient according to the optimal kinematics and mechanical parameters of the hip osteoarthritis patient by utilizing the abnormal triggering and deformity correction biomechanical mechanism of the skeletal muscle group of the senile motor system disease and the adaptive characteristics of the senile motor system under the interaction of a human body and an orthosis.
The correction path is obtained through scientific analysis of kinematics simulation, has high scientificity and correctness, can provide a correction scheme which is most suitable for recovering to the healthy hip joint condition for the hip osteoarthritis patient, and completely meets the requirements of the hip osteoarthritis patient.
The correcting path is analyzed, planned and determined by an external computing host, and then transmitted to a main control processor through network communication.
The hip joint correction path of the hip joint osteoarthritis patient is planned, the hip joint state of the hip joint osteoarthritis patient is monitored in real time, the power driving device is controlled to apply inward and outward turning adjusting driving force to the hip joint of the hip joint osteoarthritis patient according to the correction path corresponding to the hip joint state, so that the adjusting driving force is suitable for rehabilitation correction of the hip joint state of the current hip joint osteoarthritis patient, the adjusting driving force is adjusted in real time according to the hip joint state of the hip joint osteoarthritis patient and is used as the adjusting driving force for correcting force application, the correction requirement of the hip joint osteoarthritis patient is met, and the defects that secondary injury or recovery time delay can be caused due to the fact that the same correcting force application is not used in the correction process are avoided.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.