CN110917572B - Femoral head necrosis repair trainer and bicycle - Google Patents
Femoral head necrosis repair trainer and bicycle Download PDFInfo
- Publication number
- CN110917572B CN110917572B CN201911364609.6A CN201911364609A CN110917572B CN 110917572 B CN110917572 B CN 110917572B CN 201911364609 A CN201911364609 A CN 201911364609A CN 110917572 B CN110917572 B CN 110917572B
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- Prior art keywords
- femoral head
- damping
- head necrosis
- trainer
- cushion
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- Expired - Fee Related
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
- A63B22/0605—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/22—Resisting devices with rotary bodies
- A63B21/225—Resisting devices with rotary bodies with flywheels
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
- A63B22/0605—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
- A63B2022/0611—Particular details or arrangement of cranks
- A63B2022/0623—Cranks of adjustable length
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
- A63B2225/09—Adjustable dimensions
Abstract
The invention particularly discloses a femoral head necrosis repair trainer which comprises a base frame, a cushion arranged on the base frame, a damping pedaling device fixed on the base frame and arranged in front of the cushion, pedals connected to power ends of the damping pedaling device, and supporting plates arranged on two sides of the cushion, used for supporting the root of a thigh and adjustable in angle; the damping pedaling device comprises a rotating shaft and two flywheels with damping, wherein the two flywheels are symmetrically arranged at two ends of the rotating shaft, the included angles between the motion planes of the flywheels on the sagittal plane and the coronal plane and the rotating shaft range from 10 degrees to 20 degrees, and the pedals are connected to the flywheels. The trainer can provide a motion mode for limiting a fixed angle and a special mechanical motion track beneficial to grinding a femoral head repairing sphere, so as to promote the matching of the relationship of the hip joint and the socket of a patient to obtain continuous and effective rehabilitation, and can adjust and repair the muscles and ligaments around the femoral head necrosis within a range, and the trainer has a simple integral structure and is convenient to use.
Description
Technical Field
The invention relates to the technical field of medical rehabilitation instruments, in particular to a femoral head necrosis repair trainer and a bicycle.
Background
The femoral head necrosis is an intractable disease and is characterized in that hip discomfort, final joint surface collapse, pain aggravation and lower limb movement, particularly internal rotation movement limitation are caused, and the existing treatment means generally comprise femoral head necrosis revascularization, interventional therapy, packet therapy and the like, but most of the treatment means are invasive treatment and have poor curative effect. Besides, the patients with partial femoral head necrosis can be treated by oral medication, but the activity function of the hip joint of the patients is still limited, and the long-term braking of the hip joint easily causes the disuse atrophy of the hip muscle and the contracture deformation of ligaments of the patients. The necrotic part is usually generated at the front outer side of the femoral head, and the human body can avoid collapse after femoral head necrosis caused by mechanical compression only by moving under the non-load condition that the hip is abducted by 15 degrees and is externally rotated by 15 degrees, stimulate the accelerated growth and repair of the osteonecrosis area, and promote the process that the femoral head of a patient is repaired, rounded and matched with a head socket in a cavity. At present, no instrument which is effective for the motion treatment of femoral head necrosis is available in the market, so that research and manufacture of an instrument which can help a femoral head necrosis patient to perform repair training of a diseased part becomes an urgent need.
Disclosure of Invention
In order to solve the problems in the background art, the invention aims to provide a femoral head necrosis repair trainer, which can provide a motion mode for limiting a fixed angle and a special mechanical motion track beneficial to grinding a femoral head repair sphere so as to promote the matching of the hip joint and the socket of a patient to be continuously and effectively recovered, can adjust and repair muscles and ligaments around the femoral head necrosis within a range, and has a simple integral structure and convenient use.
Based on the above, in one aspect of the invention, a femoral head necrosis repair trainer is provided, which comprises a base frame, a seat cushion arranged on the base frame, a damping pedaling device fixed on the base frame and arranged in front of the seat cushion, pedals connected to power ends of the damping pedaling device, and supporting plates arranged on two sides of the seat cushion, used for supporting the root of a thigh, and adjustable in angle;
the damping pedaling device comprises a rotating shaft and two flywheels with damping, wherein the two flywheels are connected to two ends of the rotating shaft and are symmetrically arranged, and the included angles between the motion planes of the flywheels and the rotating shaft on the sagittal plane and the coronal plane are respectively 10-20 degrees; the pedal is connected to the flywheel.
Preferably, a universal angle adjuster for adjusting a connection angle between the pedal and the flywheel is provided between the pedal and the damping pedaling device.
Preferably, a length-adjustable rocking crank is connected to the flywheel, and the pedal is connected to the outer end of the rocking crank; the universal angle regulator is arranged at the joint of the pedal and the rocking crank.
As a preferred scheme, the rocking crank comprises an outer rod connected to the flywheel and an inner rod sleeved in the outer rod, the outer rod is provided with a plurality of positioning holes along the length direction of the outer rod, and the relative positions of the outer rod and the inner rod are limited by positioning rods inserted in the positioning holes.
As a preferred scheme, the universal angle regulator comprises a groove articulator, a first ball head screw and a locking screw; the first ball head screw comprises a rotating part and a connecting part connected with the pedal, and the groove meshing device is provided with a ball head groove in rolling fit with the rotating part and a lock catch inner groove in threaded connection with the locking screw.
Preferably, the damping pedaling device is a magnetic control device, and further comprises a housing, a magnetic wheel arranged in the middle of the rotating shaft, and electromagnets arranged on two sides of the magnetic wheel in a straddling manner;
the included angles between the motion planes of the flywheel and the rotating shaft on the sagittal plane and the coronal plane are 15 degrees.
Preferably, a base is arranged at the top of the base frame, the seat cushion is arranged on the base, and a resistance regulator which is positioned below the base and used for regulating the damping of the damping pedaling device is arranged on the base frame.
As a preferable scheme, a movable adjusting rod for adjusting the front and rear positions of the seat cushion is arranged between the seat cushion and the base; the base is also provided with a height adjusting rod for adjusting the height of the cushion;
a backrest with an adjustable angle is arranged behind the seat cushion, and the backrest is hinged to the base through the backrest adjuster; the two sides of the backrest are hinged with armrests.
As a preferred scheme, a limiting mechanism is connected between the two supporting plates and comprises a positioning device with adjustable length and a universal adjusting device connected between the positioning device and the supporting plates.
In order to achieve the same purpose, in another aspect of the invention, a bicycle is further provided, which includes a frame and the above-mentioned femoral head necrosis repair trainer, wherein the frame is provided with an installation position, and the femoral head necrosis repair trainer is installed on the installation position.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a femoral head necrosis repair trainer, which comprises a base frame, a cushion, a damping pedaling device, a pedal and support plates, wherein the damping pedaling device comprises a rotating shaft and a flywheel with damping, the support plates are used for supporting the root parts of thighs of a patient, the hip abduction angle can be adjusted by adjusting the angle between the two support plates, the included angles between the motion planes of the flywheel and the rotating shaft on the sagittal plane and the coronal plane are set to be about 15 degrees, the grinding of the inner side and the outer side of the femoral head is facilitated, the motion of the hip and the lower limb is limited in a protected motion track through the pedal and the cushion together, a motion mode for limiting a fixed angle and a special mechanical motion track are provided, the patient can carry out riding motion on a specific motion plane (namely the hip abduction 15 degrees and the motion plane internally rotated by 15 degrees), and the shape of an irregular femoral head after necrosis is repaired to be similar to a spherical structure, the hip joint is attached to the acetabulum and the femoral head in the hip joint of a patient to carry out continuous and effective rehabilitation, finally, the femoral head and the acetabulum are in an ideal stable state of concentric circles, the muscles and ligaments around the femoral head necrosis can be adjusted and repaired within a range by moving the hip joint, and the comfort and the safety of the patient during use can be ensured. Whole training ware simple structure, convenient to use, it is better for traditional treatment, in addition, this training ware also is applicable to general crowd and carries out body-building motion to the hip, and its application scope is comparatively extensive.
Drawings
Fig. 1 is a front view of a femoral head necrosis repair trainer according to an embodiment of the invention;
fig. 2 is a top view of a femoral head necrosis repair trainer according to an embodiment of the invention;
FIG. 3 is a schematic view of a damped pedaling apparatus provided in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a universal angle adjuster and a pedal according to an embodiment of the present invention;
figure 5 is a schematic view of a seat cushion provided by an embodiment of the present invention;
fig. 6 is a schematic view of a limiting mechanism provided in an embodiment of the present invention.
Wherein, 1, a base frame; 11. a base; 2. a cushion; 21. moving the adjusting rod; 22. a height adjustment lever; 30. a damped pedaling apparatus; 31. a rotating shaft; 32. a flywheel; 33. shaking the crank; 331. an outer rod; 332. an inner rod; 333. positioning holes; 334. positioning a rod; 34. a housing; 35. a magnetic wheel; 36. an electromagnet; 4. a pedal; 50. a universal angle adjuster; 51. a groove articulator; 511. a ball head groove; 512. an inner lock catch groove; 513. a connecting rod; 52. a first ball head screw; 521. a rotating part; 522. a connecting portion; 53. locking screws; 531. eccentric locking; 6. a support plate; 7. a resistance adjuster; 80. a limiting mechanism; 81. a positioning device; 811. an intermediate lever; 8111. a through hole; 8112. a limiting hole; 812. a fixing member; 82. a universal adjusting device; 821. a second ball head screw; 9. a backrest; 91. a backrest adjuster; 92. a handrail.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 and 2, the training device for repairing femoral head necrosis of the present invention is schematically shown, which comprises a base frame 1, a seat cushion 2, a damping pedaling device 30, a pedal 4 and a supporting plate 6. Wherein, the cushion 2 is arranged on the base frame 1, in this embodiment, the base frame 1 is preferably in an i-shape, the damping pedaling device 30 is fixed on the base frame 1 and arranged in front of the cushion 2, the pedal 4 is connected to the power end of the damping pedaling device 30, the support plates 6 are arranged on two sides of the cushion 2 and used for supporting the thigh root of the patient, and the angle between the two support plates 6 is adjustable. Importantly, the damping pedaling device 30 comprises a rotating shaft 31 and flywheels 32 with damping connected to two ends of the rotating shaft 31, the two flywheels 32 are symmetrically arranged relative to the central axis of the cushion 2, the motion planes of the flywheels 32 on the sagittal plane and the coronal plane respectively form an included angle of 10 degrees to 20 degrees with the rotating shaft 31, and the pedals 4 are connected to the flywheels 32.
Based on the technical characteristics of the femoral head necrosis rehabilitation trainer, a patient sits on a cushion 2, the root parts of thighs at two sides are supported by support plates 6, the abduction angle of the hip of the patient can be adjusted by adjusting the angle between the two support plates 6, and the included angles between the motion planes of a flywheel 32 and a rotating shaft 31 on a sagittal plane and a coronal plane are both set to be about 15 degrees, the included angles are preferably set to be 15 degrees (as shown in figure 3), so that the internal and external sides of the femoral head are favorably ground, the motion of the hip and the lower limb is limited in a protected motion track through a pedal 4 and the cushion 2, a motion mode for limiting a fixed angle and a special mechanical motion track are provided, the patient can carry out riding motion on a specific motion plane (namely, the hip abduction is 15 degrees, the motion plane rotates inwards for 15 degrees), and the shape of an irregular femoral head after necrosis is repaired to be similar to a spherical structure, the hip joint is attached to the acetabulum and the femoral head in the hip joint of a patient to carry out continuous and effective rehabilitation, finally, the femoral head and the acetabulum are in an ideal stable state of concentric circles, the muscles and ligaments around the femoral head necrosis can be adjusted and repaired within a range by moving the hip joint, and the comfort and the safety of the patient during use can be ensured. Whole training ware simple structure, convenient to use, it is better for traditional treatment, in addition, this training ware also is applicable to general crowd and carries out body-building motion to the hip, and its application scope is comparatively extensive.
Preferably, a universal angle adjuster 50 is provided between the pedal 4 and the damped pedaling apparatus 30, and the universal angle adjuster 50 is used for adjusting the connection angle between the pedal 4 and the flywheel 32, thereby realizing flexible adjustment of the angle of the pedal 4 relative to the flywheel 32.
Referring to fig. 3, in order to meet the use requirements of patients of different body types, a crank 33 with adjustable length is connected to the flywheel 32, in this embodiment, the pedal 4 is connected to the outer end of the crank 33, and a universal angle adjuster 50 is disposed at the connection position of the pedal 4 and the crank 33. In this way, the entire length of the rocking crank 33 is adjusted to suit patients of various body sizes.
In addition to the above-described structure, as shown in fig. 3, the rocking crank 33 includes an outer rod 331 connected to the flywheel 32 and an inner rod 332 fitted in the outer rod 331, the outer rod 331 is provided with a plurality of positioning holes 333 along the longitudinal direction thereof, and the relative positions of the outer rod 331 and the inner rod 332 are restricted by positioning rods 334 inserted in the positioning holes 333. When the length of the rocking crank 33 needs to be adjusted, the positioning rod 334 is firstly pulled out of the positioning hole 333, then the inner rod 332 is pulled out or pushed in, the relative position between the inner rod 332 and the outer rod 331 is changed, and finally the positioning rod 334 is inserted into the corresponding positioning hole 333, so that the purpose of changing the length of the rocking crank 33 is achieved. Of course, in other embodiments, the length of the rocking crank 33 may be changed by changing the depth of the inner rod 332 screwed into the outer rod 331 through the form of the threaded connection between the inner rod 332 and the outer rod 331, as long as the functions of the present invention can be achieved, and the details are not described herein.
Specifically, referring to fig. 4, in the present embodiment, the universal angle adjuster 50 includes a groove engaging device 51, a first ball screw 52 and a locking screw 53, wherein, the first ball screw 52 comprises a rotating part 521 and a connecting part 522 connected with the pedal 4, the groove clutch 51 has a ball head groove 511 roll-fitted with the rotary portion 521 and a locking inner groove 512 screw-coupled with the locking screw 53, the locking inner groove 512 is disposed at one side of the ball recess 511, and during actual operation, the patient adjusts the angle of the pedal 4 relative to the rocking crank 33 according to his/her own needs, first rotates the rotating part 521 disposed in the ball recess 511, so that the connecting part 522 turns to a proper angle, the locking screw 53 is then screwed into the locking groove 512 for tightening the ball socket 511 against the turning portion 521 of the first ball screw 52, thereby locking the first ball screw 52 inside the ball socket 511. The depth to which the locking screw 53 is screwed into the locking groove 512 during this process can determine the stability of the ball recess 511 in clamping the first ball screw 52. Preferably, the outer end of the locking screw 53 is provided with an eccentric lock 531, and the eccentric lock 531 is pressed after the locking screw 53 is screwed, so as to further fix the angle between the pedal 4 and the crank 33, in this embodiment, the connecting portion 522 is in threaded connection with the pedal 4, thereby facilitating the installation of the pedal 4. Further, one side of the groove bite 51 is provided with a connecting rod 513 for connecting with the inner rod 332 of the rocking crank 33, and the connecting rod 513 is screwed with the inner rod 332. When the locking screw 53 fixes the set limited angle of the universal angle adjuster 50, the pedal 4 can be adjusted to a proper angle in the space direction, namely, the path traced by the movable end of the pedal 4 when moving is a standard arc motion on a motion plane parallel to the plane of the flywheel 32 (namely, a standard motion plane with 15 degrees of hip abduction and 15 degrees of internal rotation).
The damping pedaling device 30 in the above embodiment is preferably a magnetic control device, the magnetic control damping pedaling device 30 specifically comprises a housing 34, a magnetic wheel 35 disposed in the middle of the rotating shaft 31 and U-shaped electromagnets 36 disposed on both sides of the magnetic wheel 35, the rocking crank 33 extends out of the housing 34, the magnetic wheel 35 is disposed on the central axis of the seat cushion 2, and damping is generated by the electromagnetic effect of the magnetic wheel 35 and the electromagnets 36.
The top of bed frame 1 is equipped with base 11, and on base 11 was located to cushion 2, be equipped with the resistance regulator 7 that is used for adjusting the damping size of damping pedal device 30 that is located the base 11 below on the bed frame 1, through this resistance regulator 7 adjustable damping size, reach the purpose that the control patient used the exercise intensity.
As a preferred embodiment, a movable adjusting rod 21 for adjusting the front and back positions of the seat cushion 2 is arranged between the seat cushion 2 and the base 11, a height adjusting rod 22 for adjusting the height of the seat cushion 2 is further arranged on the base 11, an angle-adjustable backrest 9 is arranged behind the seat cushion 2, the backrest 9 is hinged to the base 11 through a backrest adjuster 91, the angle adjustment range of the backrest 9 and the base 11 is between 100 and 180 degrees, and the backrest 9 is preferably made of polyethylene plastic. Armrests 92 are hinged to two sides of the backrest 9, the angle of the armrests 92 relative to the backrest 9 can be adjusted, and straps are arranged on the pedals 4. So, the patient can carry out appropriate regulation according to actual need to the position of cushion 2, height and back 9 and handrail 92's angle, provides more comfortable back position safe position of sleeping in position for the patient to improve security and the travelling comfort in the use.
In this embodiment, please refer to fig. 5, a limiting mechanism 80 is connected between the two supporting plates 6, the limiting mechanism 80 includes a positioning device 81 with adjustable length and a universal adjusting device 82 connected between the positioning device 81 and the supporting plates 6, the universal adjusting device 82 is pushed by adjusting the length of the positioning device 81, and the universal adjusting device 82 drives the supporting plates 6 to rotate upwards or downwards, so as to jack up the supporting plates 6 to different angles, and further adjust the abduction angle of the hip of the patient. Meanwhile, the angle of the supporting plate 6 is adjusted through the positioning device 81 and the universal adjusting device 82 so as to safely fix the protection angle required by hip joint diseases, and the situation that the local extrusion stress of the femoral head of a patient is suddenly overhigh along with the rotation of the pedal 4 when the patient sits down for movement can be guaranteed.
More specifically, as shown in fig. 6, the positioning device 81 includes an intermediate rod 811 and a fixing member 812, a through hole 8111 is provided inside the intermediate rod 811 along a length direction thereof, the universal adjusting device 82 employs a second ball screw 821, an internal thread corresponding to a thread at a tail of the second ball screw 821 is provided in the through hole 8111, the tail of the second ball screw 821 is connected to the intermediate rod 811, a plurality of limiting holes 8112 are provided on an outer surface of the intermediate rod 811, the limiting holes 8112 are communicated with the through hole 8111, the fixing member 812 is inserted into the limiting holes 8112 for positioning, when a patient needs a larger outward-extending angle at one side, the second ball screw 821 that needs to extend out has a longer length, that is, when the second ball screw 821 is engaged with the through hole 8111 in the intermediate rod 811, the length that is smaller, the extending out second ball screw 821 can jack up the supporting plate 6 at one side at a higher angle, thereby allowing flexible adjustment of the abduction angle of the support plates 6 on opposite sides.
In order to achieve the same object, the present invention further provides a bicycle, which includes a frame (not shown in the drawings) and the femoral head necrosis repair trainer in the above embodiment, wherein the frame is provided with a mounting position, and the femoral head necrosis repair trainer is mounted on the mounting position. The femoral head necrosis repair trainer provided by the embodiment of the invention can achieve the above effects, and a bicycle provided with the femoral head necrosis repair trainer also has corresponding technical effects, which are not described herein again.
In conclusion, the femoral head necrosis repair trainer can provide a motion mode for limiting a fixed angle and a special mechanical motion track beneficial to grinding a femoral head repair sphere, so as to promote the match of the relationship between the head and the socket in the hip joint of a patient to obtain continuous and effective rehabilitation, and can adjust and repair muscles and ligaments around the femoral head necrosis within a range, and the femoral head necrosis repair trainer has a simple integral structure and is convenient to use.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A femoral head necrosis rehabilitation trainer is characterized by comprising a base frame, a cushion arranged on the base frame, a damping pedaling device fixed on the base frame and arranged in front of the cushion, pedals connected to power ends of the damping pedaling device, and supporting plates which are arranged on two sides of the cushion, used for supporting the root of a thigh and adjustable in angle;
the damping pedaling device comprises a rotating shaft and two flywheels with damping, wherein the two flywheels are connected to two ends of the rotating shaft and are symmetrically arranged, and the included angles between the motion planes of the flywheels and the rotating shaft on the sagittal plane and the coronal plane are respectively 10-20 degrees; the pedal is connected to the flywheel.
2. The training aid for repairing femoral head necrosis according to claim 1, wherein a universal angle adjuster for adjusting a connection angle between the pedal and the flywheel is provided between the pedal and the damping pedaling device.
3. The femoral head necrosis repair trainer according to claim 2, wherein a length-adjustable rocking crank is connected to the flywheel, and the pedal is connected to an outer end portion of the rocking crank; the universal angle regulator is arranged at the joint of the pedal and the rocking crank.
4. The femoral head necrosis repair trainer according to claim 3, wherein the rocking crank comprises an outer rod connected to the flywheel and an inner rod sleeved in the outer rod, the outer rod is provided with a plurality of positioning holes along a length direction thereof, and a relative position of the outer rod and the inner rod is limited by positioning rods inserted in the positioning holes.
5. The femoral head necrosis repair trainer according to claim 3, wherein the universal angle adjuster comprises a groove occluder, a first ball head screw and a locking screw; the first ball head screw comprises a rotating part and a connecting part connected with the pedal, and the groove meshing device is provided with a ball head groove in rolling fit with the rotating part and a lock catch inner groove in threaded connection with the locking screw.
6. The training aid for repairing necrosis of femoral head according to any one of claims 1 to 5, wherein the damping pedaling device is a magnetic control device, and further comprises a housing, a magnetic wheel disposed in the middle of the rotating shaft, and electromagnets disposed on both sides of the magnetic wheel;
the included angles between the motion planes of the flywheel and the rotating shaft on the sagittal plane and the coronal plane are 15 degrees.
7. The training aid for repairing femoral head necrosis according to claim 6, wherein a base is disposed on a top of the base frame, the seat cushion is disposed on the base, and a resistance adjuster for adjusting the damping of the damping pedaling device is disposed on the base frame and below the base.
8. The training aid for repairing femoral head necrosis according to claim 7, wherein a movement adjusting lever for adjusting a front-rear position of the seat cushion is provided between the seat cushion and the base; the base is also provided with a height adjusting rod for adjusting the height of the cushion;
a backrest with an adjustable angle is arranged behind the seat cushion and hinged to the base through a backrest adjuster; the two sides of the backrest are hinged with armrests.
9. The training aid for femoral head necrosis repair according to claim 1, wherein a limiting mechanism is connected between the two support plates, and the limiting mechanism comprises a positioning device with adjustable length and a universal adjusting device connected between the positioning device and the support plates.
10. A cycle vehicle, comprising a frame and a femoral head necrosis repair trainer according to any one of claims 1 to 9, wherein the frame is provided with a mounting location on which the femoral head necrosis repair trainer is mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911364609.6A CN110917572B (en) | 2019-12-25 | 2019-12-25 | Femoral head necrosis repair trainer and bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911364609.6A CN110917572B (en) | 2019-12-25 | 2019-12-25 | Femoral head necrosis repair trainer and bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110917572A CN110917572A (en) | 2020-03-27 |
| CN110917572B true CN110917572B (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911364609.6A Expired - Fee Related CN110917572B (en) | 2019-12-25 | 2019-12-25 | Femoral head necrosis repair trainer and bicycle |
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| CN (1) | CN110917572B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201505399U (en) * | 2009-08-31 | 2010-06-16 | 常州市钱璟康复器材有限公司 | Sitting type lower limb power vehicle |
| US10010756B2 (en) * | 2015-01-16 | 2018-07-03 | Icon Health & Fitness, Inc. | Friction reducing assembly in an exercise machine |
| CN207045516U (en) * | 2017-08-01 | 2018-02-27 | 周驰 | A kind of cover for bicycle saddle for being used to repair caput femoris necrosis |
| CN208525730U (en) * | 2018-07-11 | 2019-02-22 | 合肥慧加医疗科技有限公司 | A kind of children elder generation hip trains treadmills |
| CN209254022U (en) * | 2018-11-15 | 2019-08-16 | 任晓波 | A kind of orthopedic rehabilitation Walking device |
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2019
- 2019-12-25 CN CN201911364609.6A patent/CN110917572B/en not_active Expired - Fee Related
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| CN110917572A (en) | 2020-03-27 |
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