CN1861030A

CN1861030A - Hand muscle and brain disease rehabilitation apparatus

Info

Publication number: CN1861030A
Application number: CN 200610083899
Authority: CN
Inventors: 苏伟; 刘智斌; 张明江; 孙媛; 刘哲
Original assignee: Beijing Institute of Technology BIT
Current assignee: Beijing Institute of Technology BIT
Priority date: 2006-06-09
Filing date: 2006-06-09
Publication date: 2006-11-15
Anticipated expiration: 2026-06-09
Also published as: CN100579498C

Abstract

A recovery apparatus for exercising the hand muscles, improving the flexibility of hand movement and promoting the recovery of the patients of cerebrovascular disease and apoplexy by tracting the joints of hand is composed of fingers moving unit, crank module and finger pair moving unit. Several crank-slide block mechanisms are used to regulate the movement mode, angle, phase and stroke.

Description

Hand muscle and brain disease rehabilitation apparatus

Technical field

The present invention relates to medical apparatus and instruments, is the rehabilitation that a kind of passive exercise by traction hand joint promotes brain disease such as apoplexy and other nervous system lesion, also the rehabilitation of some hand injuries is had the multi-purpose recovered therepeutic apparatus device of facilitation simultaneously.

Background technology

Cerebrovascular disease is at present human survival to be threatened one of maximum 3 classes (tumor, cardiovascular, cerebrovascular) disease, and the sickness rate of current cerebrovascular rises gradually, can not reach 85% from the bed person after being ill, needs other people to look after and can keep the daily life person reaches 62.8%.Apoplexy is the outstanding clinical manifestation of cerebrovascular disease.Apoplexy is the first disease of the human cause of death, and the sickness rate height, and per 100,000 philtrums have 480 people morbidity to the north of the Yellow River; There is 420 people morbidity in middle location between the Yellow River and the Changjiang river; 280 people morbidity is arranged on the south the Changjiang river.

The disability rate of apoplexy is about 71.3%.Apoplexy often leaves sequela such as limbs disturbance, paralysis, aphasia, brings very big misery to the patient, has increased very big burden for family and society.

Neuro physiology studies confirm that behind the nervous system injury, certain recovery potential is arranged all under the natural situation.As everyone knows, neurocyte can not division growth after birth.Neurocyte is in a single day dead, with regard to permanent disappearance.If neurocyte itself is not dead, and only is the nerve fiber damage, nerve fiber is to regenerate so, thereby its form and function are restored.Although the aixs cylinder of nervus centralis also can be regenerated, but cerebrovascular disease makes the infringement of these maincenters relate to the death of a large amount of neurocytes, make the complexity contact in the whole neurocyte network system produce huge damaged, be impossible by displaced from birth again, but the plasticity by brain, in the central nervous system, reorganize the network system of a functioning cell group, realize the function reorganization.

Therefore,, remove and actively rescue impaired brain cell, promote also will give full play to the competent effect of central nervous system function outside the recovery of pathological process the rehabilitation of cerebrovascular disease.And proved that through modern medicine the motor function training can increase the afferent impulse of sensory receptor, promote the development of brain function plasticity to be recovered by the function of forfeiture again.The athletic rehabilitation of muscle has following several: 1. passive exercise 2. power-assists 3. active exercises, 4. resistant exercises of moving.And in fact active exercise, resistant exercise have all entered the scope of active exercise, can achieve the goal by some simple exercises, and what we will realize at this mainly is passive exercise and the power-assist motion that needs external force to realize.Passive exercise is meant that trainer's action finishes outer power effect, and external force can be from mechanical force, trainer's help and the strong clothes effect of patient.Allokinetic purpose is: keep, increase range of motion, prevent arthrogryposis, adhesion, improve the limbs blood circulation, eliminate limb swelling.Therefore, as long as can finish referring to motion, this purpose just reaches; Power-assist motion is down auxiliary in external force, by the patient initiatively muscle contraction finish the motion of limbs, auxiliary force can be from medical personnel, patient strong limb, mechanical force and buoyancy.This finger that also just needs our rehabilitation equipment can drive patient carries out some specific actions, refers to as extracting motion, wheel etc.

Also occurred some traction joints of hand in recent years and carried out allokinetic therapeutic instrument for rehabilitation, disclosed a kind of finger gymnastic therapeutic instrument as Chinese utility model application prospectus CN 2707240Y.This finger gymnastic therapeutic instrument by articular sclerite, flexibility pull strings, wrist fixed body, microcontroller form, the line hole is made at the two ends of articular sclerite, articular sclerite is by the two-sided arrangement of finger joint number, the palm through hole is made in wrist fixed body center, microcontroller is fixed on the wrist fixed body, the rotating shaft of microcontroller is installed in the wrist fixed body, the flexibility end of pulling strings passes the line hole at two ends on the articular sclerite in order towards the innner and outer, in two-sided articular sclerite top knotting, the other end that flexibility is pulled strings is fastened in the rotating shaft on microcontroller.Send instruction by microcontroller, make the positive and negative rotation of rotating shaft, the drive finger stretches, bending, recovers finger function, reaches the purpose of rehabilitation.The attainable motion mode of this scheme is too simple, can't realize pointing the motion of colourful gesture, can not realize moving to referring to of thumb and all the other four fingers.Be unfavorable for not tensible of finger that cerebrovascular and sequela thereof are caused, stretch unable, malfunctioning treatment, and only control, influence susceptiveness and reliability that its function realizes by microcontroller.

Summary of the invention

The objective of the invention is for realize the required various motions of finger rehabilitation exercise (to refer to, wheel refers to, extracting etc.), reach simultaneously that the reconditioning that adapts to all types of patients, adapts to different phase requires (can realize the adjusting of movement relation mutually between the steady adjusting of movement velocity and each finger motion amplitude, each finger) and the hand muscle and brain disease rehabilitation apparatus a kind of simple in structure, cheap, easy to adjust that proposes.

Primary structure of the present invention comprises that motor, motion output and phase adjusted part, four refer to motion parts and to referring to motion parts, motion output wherein and phase adjusted partly are to be realized by the space slider-crank mechanism of some groups of parallel connections.By regulating each crank angular relationship and crank length each other, can realize the motion of the four various postures that refer to and change the movement travel that each is pointed.

Four fingers are wherein divided in the course of the work, by the placed in-line bent axle of motor-driven, are driven each connecting rod and then are driven each slide block movement by bent axle, drive respectively pointing of people by slide block again and move, and realize the passive exercise of hand.Wherein each crank is made up of four parts, can regulate the mutual alignment relation between each bent axle and the length of each crank easily by jackscrew, thereby reaches the purpose of adjustment movement phase place and movement travel.

To the finger branch is to be made of the slider-crank mechanism that mutual angle 180 between two set of bell cranks is spent, like this as long as the appropriate design length of connecting rod can make the requirement of mutual motion realization to referring to move between two slide blocks.Dividing crank to be connected on four to the finger refers to be driven simultaneously by same motor after the motion cranks.

Beneficial effect

Adopt the present invention can conveniently realize the required various motions of hand exercise impaired patients treatment, can drive patient's hand carry out to refer to, various passive exercises such as wheel refers to, extracting, recover the finger mobility, reach the purpose of rehabilitation.Mutual movement relation between each finger motion amplitude and each finger can be regulated,, the reconditioning requirement of all types of patient's different phases can be adapted to by adjusting the also conveniently adjusted motion frequency of motor speed.Finger CPM equipment prevailing price in the market is higher, and this utility model global design is realized by the series connection slider-crank mechanism, and is cheap, easy to adjust, helps promotion and application.

Description of drawings

Fig. 1 is hand muscle and brain disease rehabilitation apparatus overall structure figure of the present invention.

Fig. 2 regulates part crank structure figure for hand muscle and brain disease rehabilitation apparatus of the present invention.

Fig. 3 refers to motion parts slide block structure figure for hand muscle and brain disease rehabilitation apparatus four of the present invention.

Part, component names and numbering thereof are as follows among the figure: motor cabinet 1, base plate 2, four refer to motion parts 3, four refer to slide blocks 4, to referring to motion parts 5, referring to that to referring to small crank 6, oscillating bearing 7, four cranks 8,

crank part

9,11,13,14,

jackscrew

10,15, jump ring 12, four refer to slide bodies 16, nylon jacket 17, bearing 18, pin 19.

The specific embodiment

As shown in Figure 1, primary structure of the present invention comprise base plate 2, four refer to motion parts 3, series connection crank assemblies (referring to cranks 8) to referring to crank 6, four, to referring to motion parts.

Motor places on the motor cabinet, links to each other with crank by shaft joint, drives placed in-line crank during machine operation and rotates simultaneously, drives whole system work.Use oscillating bearing to be connected between crank and connecting rod, connecting rod and the slide block, so just guaranteed the realizability of space motion, link to each other by jackscrew 15 between the placed in-line crank system, unclamp jackscrew and just can regulate each bent axle angle each other easily, thereby the relative motion between the slide block is changed, so just can realize four different motion that refer to, as to refer to, wheel refers to etc.Crank is made up of 9,11,13,14 4 parts, wherein connect with jackscrew 10 between 9,11,13, be that a hole axle cooperates between 14, unclamping jackscrew just can the direct pull bent axle, change its length, thereby realize the adjusting to 4 movement travels of four finger slide blocks, oscillating bearing is fixing with the boss restriction of crankshaft group 11 tops by jump ring 12 with being connected of bent axle.

Four finger slide blocks 4 are made up of four finger slide bodies 16, nylon jacket 17, bearing 18, pin 19, because the self-lubricating function that nylon has so the relative motion contact surface place between slide block and guide rail adopts nylon jacket 17, is avoided the excessive frictional force of its generation.This slider-crank mechanism, slide block moves along a cylindrical slideway, as not limited, then can cause this space mechanism's degree of freedom is not one, the solution that we adopt is, on guide rail, mill out an elongated slot, above slide block, squeeze into pin 19, pin is cooperated with this elongated slot, utilize the motion of pin 19 restriction slide blocks, finish action such as clench fist smoothly for guaranteeing finger in slide block seesaws process, we have settled bearing 18 on slide block, time finger first knuckle can drive the space that finger enter the bearing below by the rolling of bearing to distal-most end when slide block movement, finishes required motion.

To the finger branch is to be made of the slider-crank mechanism that mutual angle 180 between two set of bell cranks is spent (two couple as shown in the figure refers to small crank 6), like this as long as the appropriate design length of connecting rod can make the requirement that the mutual motion realization that refers to 5 of two slide blocks is moved to finger.

To sum up, the present invention is easy to adjust, flexible, can be by regulating the length of crank, and mutual angle adapts to not homochirality The patient and the reconditioning requirement of different phase, simultaneously cheap, practicality is better, can reach to recover the finger merit fully Can promote the purpose of finger gymnastic.

Claims

1, a kind of traction joints of hand carries out allokinetic hand muscle and brain disease rehabilitation apparatus, primary structure comprises that motor, motion output and phase adjusted part, four refer to that motion parts reaches referring to motion parts, it is characterized in that: refer to motion parts (3), series connection crank assemblies (5), hand muscle and brain disease rehabilitation apparatus referring to that motion parts (6) constitutes by four, overall structure is a space in parallel slider-crank mechanism, ram travel, motion frequency are all adjustable, four refer to slide blocks (4), to refer to slide block lay respectively at four refer to motion parts (3), to referring on the motion parts (6);

2, according to the described hand muscle and brain disease rehabilitation apparatus of claim 1, it is characterized in that: each crank is formed by crank part (9), (11), (13), (14) in the described series connection crank assemblies, described crank part (9) cooperates with hole on the crank part (11), lock by jackscrew, described crank part (13) crank cooperates with hole on the parts (14), links to each other by oscillating bearing between each crank and corresponding connecting rod;

3, according to the described hand muscle and brain disease rehabilitation apparatus of claim 1, it is characterized in that: described four refer to that four in the motion parts (3) refer to that slide blocks (4) cooperate with groove on the boom by pin (19);

4, according to claim 1 or 3 described hand muscle and brain disease rehabilitation apparatus, it is characterized in that: four refer to motion and realize referring to that motion is independent separately, wherein to referring to motion parts, angle 180 degree mutually between two cranks, connecting rod is L shaped and length is certain.