CN113082640A - Joint surgery postoperative rehabilitation training device for sports medicine - Google Patents
Joint surgery postoperative rehabilitation training device for sports medicine Download PDFInfo
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- CN113082640A CN113082640A CN202110441740.9A CN202110441740A CN113082640A CN 113082640 A CN113082640 A CN 113082640A CN 202110441740 A CN202110441740 A CN 202110441740A CN 113082640 A CN113082640 A CN 113082640A
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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
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0274—Stretching or bending or torsioning apparatus for exercising for the upper limbs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0274—Stretching or bending or torsioning apparatus for exercising for the upper limbs
- A61H1/0285—Hand
- A61H1/0288—Fingers
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
- A63B23/1281—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles primarily by articulating the elbow joint
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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
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
- A63B23/14—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles for wrist joints
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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
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
- A63B23/16—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles for hands or fingers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/12—Driving means
- A61H2201/1238—Driving means with hydraulic or pneumatic drive
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/06—Arms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/06—Arms
- A61H2205/065—Hands
- A61H2205/067—Fingers
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a joint surgery postoperative rehabilitation training device for sports medicine, and belongs to the technical field of rehabilitation training. The rehabilitation training device comprises a big arm fixing part which is detachably fixed at the big arm at the upper part of the affected elbow joint; the forearm fixing part is detachably fixed at the forearm at the lower part of the affected elbow joint; a wrist fixing part fixed at the affected wrist joint; the first air bag is arranged between the upper arm fixing part and the lower arm fixing part and is positioned at an included angle formed by the upper arm and the lower arm when the elbow joint extends and contracts; a second airbag located between the wrist fixing part and the hand; and the pressing device is used for pressing the second air bag to enable the air inside the second air bag to enter the first air bag. The rehabilitation training device can realize synchronous coordination training of the elbow joint, the wrist joint and the finger joint without power, and is beneficial to postoperative recovery of patients with joint injury.
Description
Technical Field
The invention relates to the technical field of rehabilitation training, in particular to a joint surgery postoperative rehabilitation training device for sports medicine.
Background
The elbow joint fracture is a common clinical disease, the elbow joint is a compound joint and consists of three joints of a brachial ulna, a brachial radius and a ulnar radius, the articular cartilage rim at the lower end of a humerus, the internal and external epicondyle bases of the humerus and the upper edge of an olecranal fossa on an articular capsule extend downwards to the head of the radius and the articular cartilage rim at the upper end of the ulna. The fibers of the joint capsule on the inner side and the outer side of the joint are thickened to form inner and outer collateral ligaments, the main movement of the elbow joint is flexion and extension and the pronation and supination of the forearm, the functional movement radius of the hand and the wrist is greatly expanded through the elbow joint, and after the elbow joint is fractured, the joint stiffness is caused by joint contracture easily generated after the joint capsule and soft tissues around the joint are damaged due to the abnormal anatomical morphology of bones, the cartilage of the joint is damaged, the joint is internally adhered. The internal fixation creates conditions for the healing of elbow joint fracture, but in order to avoid elbow joint dysfunction, rehabilitation treatment mainly involving joint movement after elbow joint surgery must be performed as early as possible. After the fracture operation, functional training is carried out as soon as possible, the biceps brachii and triceps brachii muscle is subjected to isometric contraction, muscle activity can promote blood and lymph circulation, disuse atrophy is prevented, and bioelectricity generated by muscle contraction is beneficial to calcium ion deposition on bones, so that fracture healing is promoted, and bone atrophy is prevented.
The elbow joint can directly affect the normal movement of the wrist joint and the like. The wrist joint is trained while the elbow joint postoperative rehabilitation training is carried out, the elbow joint capsule, the ligament, the tendon and soft tissues around the joint can be stretched, the spasm of the elbow joint capsule and the ligament and the tendon can be prevented, the secretion and the circulation of synovial fluid in the joint can be promoted, and the adhesion in the joint can be prevented or lightened.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a joint surgery postoperative rehabilitation training device for sports medicine.
The invention provides a joint surgery postoperative rehabilitation training device for sports medicine, which comprises a big arm fixing part, a big arm fixing part and a big arm fixing part, wherein the big arm fixing part is detachably fixed at the upper part of an elbow joint of an affected side;
the forearm fixing part is detachably fixed at the forearm at the lower part of the affected elbow joint;
a wrist fixing part fixed at the affected wrist joint;
the first air bag is arranged between the large arm fixing part and the small arm fixing part and is positioned at an included angle formed when the large arm and the small arm extend and bend;
the second air bag is positioned between the wrist fixing part and the hand, and an air conveying pipe is arranged between the first air bag and the second air bag;
and the pressing device is used for pressing the second air bag to enable the air inside the second air bag to enter the first air bag.
Preferably, the extrusion device comprises a piston cylinder, a piston rod, an air duct, a cylinder and an extrusion piece, the piston is positioned in the piston cylinder, one end of the piston rod is connected with the piston, the other end of the piston rod is hinged with the small arm fixing part, one end of the air duct is communicated with the bottom of the piston cylinder, the other end of the air duct is communicated with the cylinder, the extrusion piece is positioned in the cylinder, and is connected with the inner wall of the cylinder in a sealing way, one side of the cylinder far away from the air duct is an opening end, the second air bag is positioned at the opening end of the cylinder, and are respectively positioned at two sides of the extrusion part with the air duct, the air delivery pipe comprises a first air delivery pipe and a second air delivery pipe which are connected, the first gas transmission pipe is provided with a first one-way valve which allows gas to enter the second air bag from the first air bag, and the second gas transmission pipe is provided with a second one-way valve which allows gas to enter the first air bag from the second air bag.
Preferably, a telescopic guide cylinder is arranged outside the second air bag, the telescopic guide cylinder comprises a fixed cylinder with two open ends and a telescopic cylinder with one open end, the telescopic cylinder is slidably sleeved on the inner wall of the fixed cylinder, and the second air bag is fixedly connected with the inner wall of the sealing end of the telescopic cylinder; the fixed cylinder is fixed at the opening end of the cylinder, and the sealing end of the telescopic cylinder is positioned in the cylinder.
Preferably, the part of the second air bag, which is in contact with the hand, is a spherical air bag, and a knuckle lantern ring capable of being sleeved near a knuckle is further connected to the spherical air bag.
Preferably, a spring is arranged between the knuckle lantern ring and the spherical air bag.
Preferably, the piston rod is provided with scale marks for reading the telescopic length of the piston rod.
Preferably, a protractor for measuring an included angle between the large arm fixing portion and the small arm fixing portion is further arranged between the large arm fixing portion and the small arm fixing portion, the protractor comprises an arc-shaped piece and a sleeve, the arc-shaped piece is fixed to the large arm fixing portion and provided with scales, the sleeve is arranged on the small arm fixing portion, and the end portion, far away from the large arm fixing portion, of the arc-shaped piece is arranged in the sleeve in a penetrating mode.
Preferably, still be connected with the arc spout on the big arm fixed part, be connected with flexible support piece on the forearm fixed part, the tip that flexible support piece kept away from the forearm fixed part is located in the arc spout, and still articulated the position locking device who is used for locking flexible support piece and arc spout relative position on the flexible support piece.
Preferably, the inner walls of the upper arm fixing part and the lower arm fixing part are provided with soft linings.
Preferably, the inner wall of the knuckle lantern ring is provided with a soft lining.
Compared with the prior art, the invention has the beneficial effects that: the rehabilitation training device of the invention fixes the upper part and the lower part of the elbow joint of the affected side through the upper arm fixing part and the lower arm fixing part, and enables the gas in the first air bag clamped between the upper arm and the lower arm to enter the second air bag through the independent arm bending or arm straightening of the patient, meanwhile, as the piston rod is in an outward stretching state in the clamping stage of the upper arm and the lower arm, the piston rod moves downwards after the upper arm and the lower arm are stretched, the gas pressure on one side, close to the air guide pipe, of the extrusion part in the cylinder is increased, the extrusion part continuously extrudes the second air bag along with the downward movement of the piston, when the second air bag is continuously expanded to realize the purpose of supporting the hand, the wrist moves and continuously extrudes the second air bag, after the gas pressure in the second air bag reaches the gas pressure for opening the one-way valve, the gas in the second air bag flows back to the first air bag, and simultaneously along with the arm straightening, the second air bag contracts, the supporting effect on the hand is eliminated, the wrist is reset, the operation is repeated, the simultaneous training of the elbow joint and the wrist is realized, the training of the wrist joint and the elbow joint is coordinated, the power of the training instrument comes from the autonomous exertion of the patient, and other external power is not needed.
The invention also realizes the action training of driving the fingers to bend and straighten by the finger joint lantern ring connected with the second air bag through the contraction and expansion of the second air bag, so the invention can realize the synchronous coordination training of the elbow joint, the wrist joint and the finger joint without power and is beneficial to the postoperative recovery of patients with joint injury.
In addition, for patients who cannot actively train, the training can be realized by arranging power equipment for driving the forearm fixing part to move up and down on the basis of the training device, so that the application range of the training device is expanded.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a wrist fixing portion according to the present invention;
FIG. 3 is a schematic structural view of the telescopic guide cylinder of the present invention;
fig. 4 is a schematic view of the connection structure of the arc-shaped member and the sleeve of the present invention.
Description of reference numerals:
1. the telescopic arm comprises a large arm fixing part, 2 a small arm fixing part, 3 a wrist fixing part, 4 a first air bag, 5 a second air bag, 6 an extruding device, 61 a piston cylinder, 62 a piston, 63 a piston rod, 64 an air guide pipe, 65 an air cylinder, 66 an extruding part, 7 an arc-shaped sliding groove, 8 a telescopic supporting part, 9 a first air pipe, 10 a second air pipe, 11 a telescopic guide cylinder, 111 a fixing cylinder, 112 a telescopic cylinder, 121 an arc-shaped part, 122 a sleeve, 13 a knuckle lantern ring and 14 a spring.
Detailed Description
Detailed description of the preferred embodimentsthe following detailed description of the present invention will be given with reference to the accompanying drawings 1-4, but it should be understood that the scope of the present invention is not limited to the specific embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
The invention provides a postoperative rehabilitation training device for joint surgery for sports medicine, which comprises a big arm fixing part 1 detachably fixed at the big arm at the upper part of an elbow joint of an affected side;
the forearm fixing part 2 is detachably fixed at the forearm at the lower part of the affected elbow joint;
a wrist fixing part 3 fixed to the affected wrist;
the first air bag 4 is arranged between the large arm fixing part 1 and the small arm fixing part 2 and is positioned at an included angle formed when the large arm and the small arm extend and bend;
the second air bag 5 is positioned between the wrist fixing part 3 and the hand, the hand is supported or not supported through the expansion or contraction of the second air bag 5, the wrist joint is promoted to move, and an air conveying pipe is arranged between the first air bag 4 and the second air bag 5;
and a pressing device 6 for pressing the second airbag 5 to make the gas inside enter the first airbag 4.
In the embodiment, the first air bag 4 is arranged between the big arm fixing part 1 and the small arm fixing part 2 and at the included angle formed when the big arm and the small arm extend and bend, the second air bag 5 is arranged between the wrist fixing part 3 and the hand, and the air conveying pipe is arranged between the first air bag 4 and the second air bag 5, so that air enters the second air bag 5 from the first air bag 4 when the big arm and the small arm bend, because the second air bag 5 is also connected with the extruding device 6, the extruding device 6 is used for expanding the second air bag 5, and after the pressure is larger than the pressure of the first air bag 4, the air in the second air bag 5 enters the first air bag 4, when the big arm and the small arm stretch, the extruding device 6 acts to enable the air in the second air bag 5 to enter the first air bag 4, in the process, the second air bag 5 undergoes primary expansion and contraction, and the hand is supported and lifted after the second air bag 5 is extruded and expanded, the wrist is enabled to move, after the second air bag 5 exhausts air, the volume of the second air bag 5 is reduced, the extrusion effect of the extrusion device 6 is eliminated, the supporting effect of the second air bag 5 on the hand is eliminated, so that the wrist moves and resets again, the wrist bends and straightens along with the large arm and the small arm for multiple times of circulation, the rehabilitation training of the elbow joint is realized, meanwhile, the rehabilitation training of the elbow joint at each time is matched with the training of the wrist joint, the coordination and unification of the motion of the upper joint and the lower joint are realized, the muscle strength of the periphery of the elbow joint is enhanced, and the joint capsule, the ligament, the tendon and the soft tissues around the joint are pulled, the secretion and the circulation of synovial fluid in the joint.
It should be noted that the effect of first gasbag 4 lies in realizing the regulation to big arm forearm motion range through the contained angle of adjusting big arm forearm, and will realize that the gaseous extrusion in first gasbag 4 gets into second gasbag 5 and need overcome gas resistance, consequently also improved the strength training of big arm forearm, and big arm and forearm directly because of the existence of first gasbag 4, avoided because of too big or hard to cause elbow joint secondary damage of motion range, first gasbag 4 still has buffering and soft connection effect, improve rehabilitation training's security.
The second air bag 5 is used for supporting and canceling hands, air of the second air bag is supplied by the first air bag 4, and therefore wrist movement and movement of the upper arm and the lower arm can be coordinated, blood and lymph circulation around the damaged joints and muscles, ligaments and the like can be obviously improved after the wrist movement and the movement of the upper arm and the lower arm are softly, slowly and regularly trained for multiple times, coordination of the whole limbs is achieved, and recovery of the damaged joints is promoted.
Example 2
In order to realize the automatic movement of the extrusion device 6, avoid introducing a new power device, and avoid increasing cost and wasting energy, the extrusion device 6 of the present embodiment includes a piston cylinder 61, a piston 62, a piston rod 63, an air duct 64, a cylinder 65, and an extrusion piece 66, wherein the piston 62 is located in the piston cylinder 61, one end of the piston rod 63 is connected to the piston 62, the other end of the piston rod 63 is hinged to the forearm fixing portion 2, one end of the air duct 64 is communicated with the bottom of the piston cylinder 61, the other end of the air duct 64 is communicated with the cylinder 65, the extrusion piece 66 is located in the cylinder 65 and is connected to the inner wall of the cylinder 65 in a sealing manner, one side of the cylinder 65 away from the air duct 64 is an open end, the second airbag 5 is located at the open end of the cylinder 65 and is located at two sides of the extrusion piece 66 respectively with, the first air delivery pipe 9 is provided with a first one-way valve which allows air to enter the second air bag 5 from the first air bag 4, and the second air delivery pipe 10 is provided with a second one-way valve which allows air to enter the first air bag 4 from the second air bag 5.
In this embodiment, the piston rod 63 is hinged to the forearm fixing portion 2, when the forearm is straightened, the forearm fixing portion 2 moves downwards, the piston rod 63 is pressed downwards, a sealing structure is arranged between the piston 62 of the piston cylinder 61 and the extrusion piece 66, and gas is pre-filled in advance, when the piston 62 moves downwards, the gas pressure is increased, the extrusion piece 66 is enabled to move outwards, the second air bag 5 is arranged on the other side of the extrusion piece 66, therefore, the extrusion piece 66 moves outwards to compress the second air bag 5, the second air bag 5 extends outwards and expands, the hand is supported, when the pressure is larger than the gas pressure in the first air bag 4, the gas in the second air bag 5 enters the first air bag 4, the volume of the second air bag 5 is reduced, the hand and the wrist joint are reset, one-time circulation is realized, and after multiple-cycle training, the effect is better.
The power source of the extrusion part 66 in the embodiment is the pressure applied to the gas by the piston 62, and the movement of the extrusion part 66 is realized through the change of the gas pressure, so that the autonomous movement of the extrusion device 6 is realized under the condition of not increasing external power equipment.
The overall circulation principle in this embodiment is as follows, in the rehabilitation training, the first air bag 4 and the space between the piston 62 and the extrusion piece 66 are pre-charged with air in advance, after the arm is bent by the forearm, the included angle between the forearm and the forearm becomes smaller, so the first air bag 4 is extruded, the first one-way valve is opened, the air in the first air bag 4 continuously enters the second air bag 5, the air is continuously charged in the second air bag 5, because when the arm is bent by the forearm, the forearm fixing part 2 moves along with the forearm to the direction close to the forearm, so the forearm fixing part 2 drives the piston rod 63 to move outwards, when the forearm starts to straighten after reaching the target position, the piston rod 63 also moves along with the forearm fixing part 2 along with the direction of the forearm away from the forearm to the forearm, the piston 62 is driven to move downwards, at this time, the air pressure between the piston 62 and the extrusion piece 66 increases, the extrusion piece 66 starts to move outwards and extrudes the second air bag, the gas pressure in the second air bag 5 becomes large, the second air bag 5 is expanded continuously, the hand is supported, after the gas pressure in the second air bag 5 reaches the gas pressure for opening the second one-way valve, the gas in the second air bag flows back to the first air bag, along with the beginning of the next arm bending action, the extrusion effect of the extrusion piece is eliminated, the second air bag contracts, the supporting effect on the hand is eliminated, therefore, the hand and the wrist are reset, and the circular training is completed.
Example 3
In order to avoid the influence of the second air bag 5 on the movement of the extrusion member 66, a telescopic guide cylinder 11 is arranged outside the second air bag 5 in the embodiment, the telescopic guide cylinder 11 comprises a fixed cylinder 111 with two open ends and a telescopic cylinder 112 with one open end, the telescopic cylinder 112 is slidably sleeved on the inner wall of the fixed cylinder 111, and the second air bag 5 is fixedly connected with the inner wall of the sealing end of the telescopic cylinder 112; the fixed cylinder 111 is fixed at the opening end of the cylinder 65, and the sealing end of the telescopic cylinder 112 is positioned in the cylinder 65.
Because the second air bag 5 is located in the telescopic cylinder 112 of the telescopic guide cylinder 11, the fixed cylinder 111 is fixed at the opening end of the air cylinder 65, when the extrusion rod 66 extrudes the sealing end of the telescopic cylinder 112, the telescopic cylinder 112 moves towards the fixed cylinder 111, the distance between the telescopic cylinder 112 and the hand is reduced, the gas in the second air bag 5 is continuously concentrated to expand the second air bag 5, after the gas in the second air bag 5 enters the first air bag 4, the gas in the second air bag 5 is reduced and bends with the small arm of the next cycle, the piston 62 moves outwards, the extrusion effect of the extrusion piece 66 on the second air bag 5 is eliminated, meanwhile, the second air bag 5 is inflated, and the extrusion piece 66 is repeatedly extruded for the next time, so as to circulate.
It should be noted that, in practical applications, the resistance applied to the small arm and the large arm by the first airbag 4 can be adjusted by the flow rate of the gas in the first airbag 4 entering the second airbag 5, and specifically, the resistance can be achieved by arranging a gas flow valve on the gas delivery pipe.
Example 4
In order to fully utilize the contraction and expansion of the second air bag 5, the part of the second air bag 5 in contact with the hand is a spherical air bag, and a finger joint sleeve ring 13 capable of being sleeved on the front side of a finger joint is further connected to the spherical air bag; when the joint training device is used, the joint sleeve ring 13 is arranged near the knuckle, and when the second air bag 5 contracts or expands, the joint sleeve ring 13 drives the knuckle to move, so that the purpose of training the knuckle is achieved.
Preferably, a spring 14 is arranged between the knuckle collar 13 and the spherical air bag.
Example 5
In order to know the bending and straightening conditions of the forearm, the piston rod 63 is provided with scale marks for reading the telescopic length of the piston rod 63. Still be equipped with the protractor that is used for measuring both contained angles between big arm fixed part 1 and the forearm fixed part 2, the protractor is including fixing the arc 121 of taking the scale on big arm fixed part 1 and locating sleeve 122 on the forearm fixed part 2, the tip that big arm fixed part 1 was kept away from to arc 121 wears to establish in sleeve 122. The amplitude of each movement can be intuitively known through the scale marks and the protractors, and the training difficulty is increased by combining the proper quantification of the self condition.
Example 6
For the more effective home range of adjusting forearm fixed part 1 and forearm fixed part 2, this embodiment is still be connected with arc spout 7 on the forearm fixed part 1, be connected with flexible support piece 8 on the forearm fixed part 2, the tip that flexible support piece 8 kept away from forearm fixed part 2 is located in the arc spout 7, and still articulated on the flexible support piece 8 have the position locking device who is used for locking flexible support piece 8 and arc spout 7 relative position. During the use, slide telescopic support 8 along arc spout 7 to the relative position of suitable position back through position locking device locking telescopic support 8 and arc spout 7, because telescopic support 8 can rotate for position locking device, but can not slide relative to arc spout 7, consequently can not influence the motion of forearm fixed part 2, can also realize the purpose of the motion range of control forearm fixed part 2 simultaneously through the flexible scope of regulation and control telescopic support 8.
Preferably, a soft lining is provided on the inner walls of the upper arm fixing part 1 and the lower arm fixing part 2.
Preferably, a soft lining is provided on the inner wall of the knuckle collar 13. The comfort level of the contact between the upper arm fixing part 1, the lower arm fixing part 2 and the knuckle collar 13 with the human body is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A joint surgery postoperative rehabilitation training device for sports medicine, comprising:
the upper arm fixing part (1) is detachably fixed at the upper arm of the affected elbow joint;
the forearm fixing part (2) is detachably fixed at the forearm at the lower part of the affected elbow joint;
a wrist fixing part (3) fixed to the affected wrist;
the first air bag (4) is arranged between the large arm fixing part (1) and the small arm fixing part (2) and is positioned at an included angle formed when the large arm and the small arm extend and bend;
a second air bag (5) positioned between the wrist fixing part (3) and the hand, and an air conveying pipe is arranged between the first air bag (4) and the second air bag (5);
and the squeezing device (6) is used for squeezing the second air bag (5) to enable the air in the second air bag to enter the first air bag (4).
2. The joint surgery postoperative rehabilitation training device for sports medicine according to claim 1, wherein the extrusion device (6) comprises a piston cylinder (61), a piston (62), a piston rod (63), an air duct (64), a cylinder (65) and an extrusion piece (66), the piston (62) is positioned in the piston cylinder (61), one end of the piston rod (63) is connected with the piston (62), the other end of the piston rod (63) is hinged with the forearm fixing part (2), one end of the air duct (64) is communicated with the bottom of the piston cylinder (61), the other end of the air duct (64) is communicated with the cylinder (65), the extrusion piece (66) is positioned in the cylinder (65) and is connected with the inner wall of the cylinder (65) in a sealing way, one side of the cylinder (65) far away from the air duct (64) is an open end, the second air bag (5) is positioned at the open end of the cylinder (65), and are located extruded piece (66) both sides respectively with air duct (64), gas delivery pipe includes first air-supply pipe (9) and second air-supply pipe (10), be equipped with the first check valve that allows gas to get into second gasbag (5) from first gasbag (4) on first air-supply pipe (9), be equipped with the second check valve that allows gas to get into first gasbag (4) from second gasbag (5) on second air-supply pipe (10).
3. The joint surgery postoperative rehabilitation training device for sports medicine according to claim 2, characterized in that a telescopic guide cylinder (11) is arranged outside the second air bag (5), the telescopic guide cylinder (11) comprises a fixed cylinder (111) with two open ends and a telescopic cylinder (112) with one open end, the telescopic cylinder (112) is slidably sleeved on the inner wall of the fixed cylinder (111), and the second air bag (5) is fixedly connected with the inner wall of the closed end of the telescopic cylinder (112); the fixed cylinder (111) is fixed at the opening end of the cylinder (65), and the sealing end of the telescopic cylinder (112) is positioned in the cylinder (65).
4. The joint surgery postoperative rehabilitation training device for sports medicine according to claim 2, characterized in that the portion of the second balloon (5) that contacts the hand is a spherical balloon to which a knuckle collar (13) that can be fitted around the knuckle is attached.
5. The joint surgery postoperative rehabilitation training device for sports medicine according to claim 4, characterized in that a spring (14) is further provided between the knuckle collar (13) and the spherical balloon.
6. The joint surgery postoperative rehabilitation training device for sports medicine according to claim 2, characterized in that the piston rod (63) is provided with graduation marks for reading the extension length of the piston rod (63).
7. The joint surgery postoperative rehabilitation training device for sports medicine according to claim 1, characterized in that a protractor for measuring the included angle between the upper arm fixing part (1) and the lower arm fixing part (2) is further arranged between the upper arm fixing part (1) and the lower arm fixing part (2), the protractor comprises an arc-shaped part (121) which is fixed on the upper arm fixing part (1) and provided with scales and a sleeve (122) which is arranged on the lower arm fixing part (2), and the end of the arc-shaped part (121) far away from the upper arm fixing part (1) is arranged in the sleeve (122) in a penetrating manner.
8. The joint surgery postoperative rehabilitation training device for sports medicine according to claim 1, characterized in that an arc-shaped chute (7) is further connected to the upper arm fixing portion (1), a telescopic support member (8) is connected to the lower arm fixing portion (2), the end of the telescopic support member (8) far away from the lower arm fixing portion (2) is located in the arc-shaped chute (7), and a position locking device for locking the relative position of the telescopic support member (8) and the arc-shaped chute (7) is further hinged to the telescopic support member (8).
9. The joint surgery postoperative rehabilitation training device for sports medicine according to claim 1, characterized in that the inner walls of the upper arm fixing part (1) and the lower arm fixing part (2) are provided with soft linings.
10. The joint surgery postoperative rehabilitation training device for sports medicine according to claim 5, characterized in that the inner wall of the knuckle collar (13) is provided with a soft inner lining.
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| CN117898916A (en) * | 2024-03-20 | 2024-04-19 | 北京软体机器人科技股份有限公司 | Elbow joint rehabilitation training device and rehabilitation training system |
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