CN114099107A - Wearable femoral joint dislocation auxiliary correction device - Google Patents

Abstract

The invention relates to the field of bone fracture correction, in particular to a wearable femoral joint dislocation auxiliary correction device which comprises a trunk wearing part, a telescopic spinal belt, a waist bearing part, a correction traction part, a balance traction part and a knee limiting part, wherein the trunk wearing part is of a jacket strap structure; the upper end of the telescopic ridge belt is fixedly arranged in the middle of the lower part of the trunk wearing part, and the lower end of the telescopic ridge belt is fixedly arranged on the rear side of the middle part of the waist bearing part; the correcting traction part and the balancing traction part are symmetrically arranged at two sides of the waist bearing part; the knee limiting part is fixed on the inner sides of the lower ends of the correction traction part and the balance traction part; the correcting device can ensure that the patient can continuously hold the pulling force on the thigh while the leg tilting action can be realized during the traction physiotherapy, thereby greatly relieving the pain of the patient in the fixed physiotherapy, and meanwhile, the patient can slowly pull and move under the holding action, thereby being beneficial to the recovery of the dislocation of the hip joint and further shortening the recovery period.

Description

Wearable femoral joint dislocation auxiliary correction device

Technical Field

The invention relates to the field of bone fracture correction, in particular to a wearable femoral joint dislocation auxiliary correction device.

Background

In the clinical case of orthopaedics, a patient with dislocation of femoral head is met with a certain probability, namely, the hip joint is in half dislocation or complete dislocation. The main clinical symptoms are that patients feel heavy knife-cut pain on the hip, obvious swelling appears on the hip joint part, and deformity changes appear on the appearance. The affected lower limbs appear short, outward rotation, knee bending and other body positions, the local tenderness is obvious, the affected lower limbs are elastically fixed, and some of the affected lower limbs can touch dislocated femoral heads at the buttocks. The hip X-ray film needs to be shot in time to see the dislocation of the femoral head. During treatment, local anesthesia is needed when the femoral head is freshly generated, and then the reduction is performed by a manipulation, but after the reduction of the femoral head, the lower limb traction of the affected side is needed; old hip joint dislocation generally needs to be treated by an operation, and then is pulled to the waist to carry out rehabilitation physiotherapy. At present, no matter the hip joint dislocation traction recovery physiotherapy is fresh or old, plaster or a fixed splint is needed for fixation, the posture of the hip joint and the thigh of a patient cannot be changed in the period, great pain is brought to the patient, and in the traction recovery period, the patient mostly needs to lie in bed and cannot slowly recover under the assistance of other people, so that the rehabilitation of the dislocation of the hip joint is not facilitated, and the recovery period is further prolonged. Therefore, how to overcome the above technical problems and disadvantages is a problem to be solved.

Disclosure of Invention

The invention aims to overcome the defects described in the background technology, so that a wearable femoral joint dislocation auxiliary correction device is realized, the correction device can enable a patient to carry out traction rehabilitation physiotherapy after manual reduction or operation, and can movably adjust the angle between thigh thighbone and body during the traction physiotherapy, namely, the traction force is kept to be continuously clamped on the thighbone while leg tilting action is realized, the pain of the patient in fixed physiotherapy is greatly relieved, and meanwhile, the wearable femoral joint dislocation auxiliary correction device slowly pulls, clamps and moves, is beneficial to recovery of hip joint dislocation, and accordingly, the recovery period is shortened.

In order to achieve the purpose, the technical scheme of the invention is as follows: a wearable femoral joint dislocation auxiliary correction device comprises a trunk wearing part, a telescopic spinal belt, a waist bearing part, a correction traction part, a balance traction part and a knee limiting part, wherein the trunk wearing part is of a strap structure and is worn on the shoulder of a trunk; the upper end of the telescopic ridge belt is fixedly arranged in the middle of the lower part of the trunk wearing part, and the lower end of the telescopic ridge belt is fixedly arranged on the rear side of the middle part of the waist bearing part; the correcting traction part and the balancing traction part are symmetrically arranged at two sides of the waist bearing part, the correcting traction part is used for dynamically traction of thighbone, and the balancing rod traction part is used for balancing the tension inclination of the waist bearing part; the knee limiting part is fixed at the inner sides of the lower ends of the correction traction part and the balance traction part, and the knee limiting part can be fixed at the knee part of the human body in an opening and closing manner.

In the wearable femoral joint dislocation auxiliary correction device, the waist bearing part comprises a wearable belt, a bearing frame, an angle adjusting gear and a ratchet locking mechanism, the bearing frame is symmetrically and fixedly arranged on the periphery of the wearable belt, the angle adjusting gear is rotatably arranged in the bearing frame, and the ratchet locking mechanism is arranged in the bearing frame on the side part of the angle adjusting gear and used for locking the angle of the angle adjusting gear.

In the wearable femoral joint dislocation auxiliary correction device, the ratchet locking mechanism comprises a ratchet body, a ratchet supporting rod, a ratchet torsion spring and an opening and closing slide rod, the bottom of the ratchet body is fixedly arranged on the ratchet supporting rod, the ratchet torsion spring provides torsional restoring force for the ratchet supporting rod, the opening and closing slide rod is arranged in the middle of the lower part of the ratchet body in a sliding mode, and the outer side end of the opening and closing slide rod penetrates through the bearing frame to be provided with a locking slide switch.

In the supplementary orthotic devices of above-mentioned wearable femoral joint dislocation, correct tractive portion including tractive dead lever, tractive rack bar, support housing, coaxial pinion gear group, gear wheel and power worm, the tractive dead lever is fixed to be set up in the waist portion of bearing lower part, and the support housing is fixed to be set up in tractive dead lever bottom, tractive rack bar upper end is pegged graft and is set up in the tractive dead lever, and coaxial pinion gear group symmetric meshing sets up in the support housing of tractive rack bar both sides, gear wheel and coaxial pinion gear group meshing transmission, the power worm constitutes the turbine worm structure with the gear wheel, the power worm stretches out outside the support housing.

In the wearable femoral joint dislocation auxiliary correction device, the structure of the balance traction part is the same as that of the correction traction part, and the balance traction part is used for balancing the tension of the correction traction part on the waist bearing part, so that the situation that the tension is uneven and the waist bearing part is deflected is prevented.

In the above-mentioned wearable supplementary correcting device of femoral joint dislocation, for high accuracy and automation, it still includes driving motor, force sensor and controller to correct tractive portion, install the battery in the controller, force sensor sets up in the lower part of tractive rack bar, driving motor is fixed to be set up on supporting housing, and driving motor drives the power worm and rotates, the controller is fixed to be set up in the rear side of the trunk portion of wearing, force sensor's signal feedback is to the controller, controller control driving motor's operation.

In the above wearable femoral joint dislocation auxiliary correction device, flexible spine area includes spine area body and occlusion cover, spine area body upper end is fixed to be set up in the lower part intermediate position of trunk wearing portion, the occlusion cover is fixed to be set up in the middle part rear side of bearing part between the waist, the dentate groove has been seted up on the spine area body, and the spine area body passes from the occlusion cover, and the occlusion cover side portion an organic whole is provided with the interlock tooth of elasticity material, and the interlock tooth realizes deadlocking with the dentate groove interlock and fixes.

In the above-mentioned wearable supplementary orthotic devices of femoral joint dislocation, the spacing portion of knee includes spacing arc board, flexible knee bed course and the lock is detained, spacing arc board one side symmetry is opened and shut and is articulated to be set up in correcting tractive portion bottom, the flexible knee bed course is fixed to be set up in the front and back portion of spacing arc board, the lock is detained fixedly to be set up in the non-articulated one side of spacing arc board for the lock of spacing arc board is dead and the unblock.

The wearable auxiliary femoral joint dislocation correcting device has the beneficial effects that:

1. the wearable auxiliary correction device for femoral joint dislocation is provided with the waist bearing part with the ratchet wheel structure, allows the angle between the thigh and the body of the femur to be adjusted during traction physiotherapy, greatly relieves the pain of a patient in fixing physiotherapy, and provides traction force in real time by matching with the correction traction part, namely, the traction force is kept continuously and supported on the thigh while the leg tilting movement is realized, the traction physiotherapy effect is not influenced while the leg tilting movement is performed properly, and the wearable auxiliary correction device for femoral joint dislocation is highly evaluated by the patient when the wearable auxiliary correction device is put into clinical test for use.

2. The wearable auxiliary femoral joint dislocation correcting device adopts a wearable structure, does not bring psychological and physical burden to a patient, can ensure that the patient can move within a certain range on the premise of keeping the traction force in real time, and ensures that the patient can properly and slowly move the femoral thigh to be beneficial to the recovery of hip joint dislocation, thereby shortening the recovery period of the hip joint dislocation, reducing the treatment cost of the patient and the pain of sick physiotherapy and simultaneously enabling the patient to recover normal life as soon as possible.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment 1 of the wearable femoral joint malposition auxiliary correction device of the invention;

FIG. 2 is a schematic structural diagram of embodiment 2 of the wearable femoral joint malposition auxiliary correction device of the invention;

FIG. 3 is an enlarged schematic view of A in FIG. 1;

FIG. 4 is a schematic side view of the angle adjusting gear of FIG. 3;

FIG. 5 is an enlarged schematic view of B of FIG. 2;

FIG. 6 is a schematic left side view of the structure of FIG. 5;

FIG. 7 is an enlarged schematic view of C of FIG. 1;

fig. 8 is a schematic top view of the waist bearing part.

In the figure: 1-torso wearing part;

2-telescopic spinal band, 201-spinal band body, 202-occlusion sleeve;

3-waist bearing part, 301-wearing belt, 302-bearing frame, 303-angle adjusting gear, 304-ratchet locking mechanism;

341-ratchet body, 342-ratchet support rod, 343-ratchet torsion spring, 344-opening and closing slide rod, 345-locking slide switch;

4-correcting and drawing part, 401-drawing fixed rod, 402-drawing rack rod, 403-supporting shell, 404-coaxial pinion set, 405-bull gear, 406-power worm, 407-driving motor, 408-tension sensor and 409-controller;

5-a balanced draw;

6-knee limit part, 601-limit arc plate, 602-flexible knee pad layer, 603-locking buckle.

Detailed Description

The wearable femoral joint dislocation auxiliary correction device is described in more detail by the specific embodiment in the following with reference to the attached drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

the wearable femoral joint dislocation auxiliary correction device of this embodiment, this orthotic devices can make patient's gimmick reset or carry out tractive rehabilitation physiotherapy after the operation to angle between thigh thighbone and the health can the movable adjustment when tractive physiotherapy, when realizing the leg motion of perk promptly, keep the tractive force to continuously add and hold on the thigh, greatly alleviate the misery of the fixed physiotherapy of patient, slowly pull simultaneously and add and hold down the activity, be favorable to the recovery of hip joint dislocation, thereby shorten the recovery cycle. Referring to fig. 1, the waist-balancing and waist-balancing device mainly comprises a trunk wearing part, a telescopic spinal belt, a waist bearing part, a correcting and drawing part, a balancing and drawing part and a knee limiting part, wherein the trunk wearing part is of a strap structure and is worn on the shoulder of a trunk, so that the weight is light, and the body burden of a patient can not be brought; the telescopic ridge belt is a telescopic structure belt, and the specific structure is described in detail below. The upper end of the telescopic spinal belt is fixedly arranged in the middle of the lower part of the trunk wearing part, and the lower end of the telescopic spinal belt is fixedly arranged on the rear side of the middle part of the waist bearing part; the correcting traction part and the balancing traction part are symmetrically arranged at two sides of the waist bearing part, the correcting traction part is used for dynamically traction of thighbone, and the balancing rod traction part is used for balancing the tension inclination of the waist bearing part; the knee limiting part is fixed at the inner sides of the lower ends of the correction traction part and the balance traction part, and the knee limiting part can be fixed at the knee part of a human body in an opening and closing mode to provide a force application action point for the correction traction part.

Referring to fig. 1, in this embodiment, the retractable spinal band includes a spinal band body and an engaging sleeve, and the retractable spinal band of this embodiment may be made of nylon, plastic or resin, so that the cost is low. The upper end of the ridge belt body is fixedly arranged at the middle position of the lower part of the trunk wearing part, the occlusion sleeve is fixedly arranged at the rear side of the middle part of the waist bearing part, a tooth-shaped groove is formed in the ridge belt body, the ridge belt body penetrates through the occlusion sleeve, the side part of the occlusion sleeve is integrally provided with occlusion teeth made of elastic materials, and the occlusion teeth and the tooth-shaped groove are occluded to realize locking and fixing. Similar snap-in structures are also numerous, such as cable ties and the like.

In the present embodiment, referring to fig. 1, 3, 4 and 8 in particular, the waist bearing part includes a wearing belt, a bearing frame symmetrically and fixedly disposed on the periphery of the wearing belt, an angle adjusting gear rotatably disposed in the bearing frame, and a ratchet locking mechanism, wherein the lower portion of the angle adjusting gear is fixedly connected with the upper end of the correction pulling part. A ratchet locking mechanism is arranged in the bearing frame on the side of the angle adjusting gear and used for locking the angle of the angle adjusting gear. Specifically, in this embodiment, referring to fig. 3 and 4, the ratchet locking mechanism includes a ratchet body, a ratchet supporting rod, a ratchet torsion spring and an opening/closing slide rod, the bottom of the ratchet body is fixedly disposed on the ratchet supporting rod, the ratchet torsion spring provides a torsional restoring force for the ratchet supporting rod, the opening/closing slide rod is slidably disposed in the middle of the lower portion of the ratchet body, and a locking slide switch is disposed at an outer end of the opening/closing slide rod through the bearing frame. When the patient needs to properly and slowly move, the locking sliding switch is opened, the ratchet body of the ratchet locking mechanism is separated from the angle adjusting gear to realize unlocking, and the patient can properly perform leg tilting rehabilitation training according to the condition of the patient.

Referring to fig. 1 and 6, in this embodiment, the correcting and pulling portion includes a pulling fixing rod, a pulling rack rod, a supporting housing, a coaxial pinion set, a bull gear and a power worm, the pulling fixing rod is fixedly disposed at a lower portion of an angle adjusting gear of the waist bearing portion and rotates together with the pinion, the supporting housing is fixedly disposed at a bottom end of the pulling fixing rod, an upper end of the pulling rack rod is inserted into the pulling fixing rod, the coaxial pinion set is symmetrically engaged with the supporting housing at two sides of the pulling rack rod, the bull gear and the coaxial pinion set are engaged for transmission, the power worm and the bull gear form a worm gear structure, the power worm extends out of the supporting housing, for manual adjustment, an adjusting rotary vane is disposed at one end of the power worm extending out of the supporting housing, and by rotating the adjusting rotary vane, the overall length of the pulling fixing rod and the pulling rack rod can be adjusted to adapt to femoral sizes of patients with different heights, after the size of the patient is adjusted to be proper, the medical staff can manually adjust the traction force of the traction rack rod to the thigh and the femur to the waist, so as to help the patient to carry out traction rehabilitation physiotherapy after manual reduction or operation.

In this embodiment, referring to fig. 1, the structure of the balancing and pulling part is the same as that of the correcting and pulling part, and is used for balancing the pulling force of the correcting and pulling part on the waist bearing part, so as to prevent the situation that the waist bearing part is deflected due to uneven pulling force. The adjustment method is the same as the above-mentioned method for manually adjusting the correction pulling part.

Referring to fig. 1, the knee restraint part provides a force application point for the correction traction part, and the traction force is transmitted to the thigh femur by wrapping and fixing the knee. In this embodiment, the spacing portion of knee includes spacing arc board, flexible knee bed course and the lock is detained, spacing arc board one side symmetry is opened and shut and is articulated to be set up in correcting tractive portion bottom, flexible knee bed course is fixed to be set up in the front and back portion of spacing arc board for the protection at human knee position improves patient's use and experiences, the lock is detained fixedly and is set up in the non-articulated one side of spacing arc board, is used for the lock of spacing arc board to die and the unblock. The locking buckle is also called a hasp, is an existing structure commonly used in production and life, and the structure and the using method of the locking buckle are not described more than once.

Example 2: the same parts as those in embodiment 1 will not be described again, except that:

for high precision and automation, refer to fig. 2, 5 and 6 specifically, the correction traction part further comprises a driving motor, a tension sensor and a controller, a rechargeable and replaceable storage battery is installed in the controller, the tension sensor is arranged at the lower part of the traction rack bar, the driving motor is fixedly arranged on the supporting shell, the driving motor drives the power worm to rotate, the controller is fixedly arranged at the rear side of the trunk wearing part, a signal of the tension sensor is fed back to the controller, and the controller controls the driving motor to operate. The controller is also provided with an entity button for manually controlling the driving motor to rotate positively and negatively and is used for adjusting the length of the correction traction part to adapt to patients with different heights. The controller is conventional prior art according to the circuit principle that the controller controls the motor to rotate forward and backward according to the feedback signal, and is not described herein any more, nor is the protection point of the application. The structure can realize the constancy of the traction force, because the thigh thighbone is dislocated to lead the thigh thighbone to be away from the waist during the actual rehabilitation, when the thighbone is pulled for a certain time, a part of the thighbone is slightly reset, the traction force is reduced, at the moment, the adjusting rotary sheet of the embodiment 1 needs to be manually adjusted, but the structure solves the problem that medical staff regularly and manually adjusts, the traction force can be set on the controller, when the traction force is smaller than a set value, the driving motor can drive the driving worm to rotate to realize the automatic adjustment of the traction rack rod to appropriately contract towards the traction fixed rod, when the tension sensor detects that the set traction value is reached, the controller controls the driving motor to stop working, because the worm gear mechanism has the characteristic of one-way transmission and has the self-locking function, at the moment, the controller and the driving motor enter the dormant state to save electric energy and are activated only when the adjustment is needed, therefore, the storage battery is fully charged and can be used for about two weeks.

The invention discloses a use method of a wearable femoral joint dislocation auxiliary correction device, which comprises the following steps:

firstly, a wearing waistband of a waist bearing part is worn on the waist of a patient in a belt form, then a controller or an adjusting rotary sheet is manually adjusted to enable the stretching length of a traction fixing rod and a traction rack rod to be matched with the length of thigh thighbone of the patient, then a knee limiting part at the lower end of a correction traction part at the sick limb side and a knee limiting part at the lower end of a balance traction part at the healthy limb side are respectively fastened and fixed at the knee part of the patient, then a strap structure of a trunk wearing part is worn on the shoulder of the patient, the length of a telescopic spinal belt is adjusted to enable the telescopic spinal belt to generate proper tension on the waist bearing part, and then medical staff select the preset tension of the controller or manually rotate the adjusting rotary sheet to enable the traction rack rod to generate proper traction force of the thigh thighbone to the waist. The patient can be according to the condition of work and rest of oneself, whether independently select the dead slide switch of locking of bearing part between the unblock waist to decide the fore-and-aft degree of freedom of thigh thighbone, and during the patient sleep, the suggestion is dead with the dead slide switch lock of bearing part between the waist.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

Exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various changes and modifications may be made to the specific embodiments described above, and various combinations of the technical features and structures proposed by the present invention may be made without departing from the concept of the present invention.

Claims (8)

1. The utility model provides a wearable supplementary orthotic devices of femoral joint dislocation which characterized in that: the waist-waist; the upper end of the telescopic ridge belt is fixedly arranged in the middle of the lower part of the trunk wearing part, and the lower end of the telescopic ridge belt is fixedly arranged on the rear side of the middle part of the waist bearing part; the correcting traction part and the balancing traction part are symmetrically arranged at two sides of the waist bearing part, the correcting traction part is used for dynamically traction of thighbone, and the balancing rod traction part is used for balancing the tension inclination of the waist bearing part; the knee limiting part is fixed at the inner sides of the lower ends of the correction traction part and the balance traction part, and the knee limiting part can be fixed at the knee part of the human body in an opening and closing manner.

2. A wearable femoral joint misalignment auxiliary correction device according to claim 1 characterized in that: the waist bearing part comprises a wearable waistband, a bearing frame, an angle adjusting gear and a ratchet locking mechanism, the bearing frame is symmetrically and fixedly arranged on the periphery of the wearable waistband, the angle adjusting gear is rotatably arranged in the bearing frame, and the ratchet locking mechanism is arranged in the bearing frame on the side part of the angle adjusting gear and used for locking the angle of the angle adjusting gear.

3. A wearable femoral joint misalignment auxiliary correction device according to claim 2, characterized in that: the ratchet locking mechanism comprises a ratchet body, a ratchet supporting rod, a ratchet torsion spring and an opening and closing sliding rod, wherein the bottom of the ratchet body is fixedly arranged on the ratchet supporting rod, the ratchet torsion spring provides torsional restoring force for the ratchet supporting rod, the opening and closing sliding rod is arranged in the middle of the lower portion of the ratchet body in a sliding mode, and a locking sliding switch is arranged on the outer side end of the opening and closing sliding rod in a penetrating mode through the bearing frame.

4. A wearable femoral joint misalignment auxiliary correction device according to claim 1 characterized in that: correct tractive portion including tractive dead lever, tractive rack bar, support housing, coaxial pinion gear group, gear wheel and power worm, the tractive dead lever is fixed to be set up in the waist bearing part lower part, supports the housing and fixes to set up in tractive dead lever bottom, the grafting of tractive rack bar upper end sets up in the tractive dead lever, and coaxial pinion gear group symmetric meshing sets up in the support housing of tractive rack bar both sides, gear wheel and coaxial pinion gear group meshing transmission, the power worm constitutes the worm gear structure with the gear wheel, the power worm stretches out outside the support housing.

5. A wearable femoral joint malposition auxiliary orthotic device as claimed in claim 4, wherein: the correction tractive portion further comprises a driving motor, a tension sensor and a controller, the tension sensor is arranged on the lower portion of the tractive rack rod, the driving motor is fixedly arranged on the supporting shell, the driving motor drives the power worm to rotate, the controller is fixedly arranged on the rear side of the trunk wearing portion, a signal of the tension sensor is fed back to the controller, and the controller controls the driving motor to operate.

6. A wearable femoral joint misalignment auxiliary correction device according to claim 1 characterized in that: the structure of the balancing pulling part is the same as that of the correcting pulling part of claim 4, and is used for balancing the pulling force of the correcting pulling part on the waist bearing part.

7. A wearable femoral joint misalignment auxiliary correction device according to claim 1 characterized in that: the flexible spine belt comprises a spine belt body and an occlusion sleeve, the upper end of the spine belt body is fixedly arranged at the middle position of the lower part of the trunk wearing part, the occlusion sleeve is fixedly arranged at the rear side of the middle part of the waist bearing part, a tooth-shaped groove is formed in the spine belt body, the spine belt body penetrates through the occlusion sleeve, the side part of the occlusion sleeve is integrally provided with occlusion teeth made of elastic materials, and the occlusion teeth and the tooth-shaped groove are occluded to realize locking fixation.

8. A wearable femoral joint dislocation auxiliary correction device according to any one of claims 1-7, characterized in that: the knee limiting part comprises a limiting arc plate, a flexible knee cushion layer and a locking buckle, wherein one side of the limiting arc plate is symmetrically opened, closed and hinged to the bottom end of the correcting traction part, the flexible knee cushion layer is fixedly arranged at the front part and the rear part of the limiting arc plate, and the locking buckle is fixedly arranged on one side of the limiting arc plate, which is not hinged, and is used for locking and unlocking the limiting arc plate.

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