CN111166609A - Finger joint rehabilitation device - Google Patents
Finger joint rehabilitation device Download PDFInfo
- Publication number
- CN111166609A CN111166609A CN202010008932.6A CN202010008932A CN111166609A CN 111166609 A CN111166609 A CN 111166609A CN 202010008932 A CN202010008932 A CN 202010008932A CN 111166609 A CN111166609 A CN 111166609A
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- CN
- China
- Prior art keywords
- transmission shaft
- chain
- finger joint
- training
- finger
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
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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
-
- 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
- A61H2201/1253—Driving means driven by a human being, e.g. hand driven
- A61H2201/1261—Driving means driven by a human being, e.g. hand driven combined with active exercising of the patient
- A61H2201/1269—Passive exercise driven by movement of healthy limbs
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- 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 relates to a finger joint rehabilitation device, which comprises a device frame, wherein at least one finger joint training mechanism is arranged on the device frame, the finger joint training mechanism comprises a guide structure extending in an arc shape in a guide direction, a training piece is movably assembled on the guide structure in a guide way, a finger connecting structure used for connecting corresponding fingers to be trained is arranged on the training piece, the finger joint training mechanism also comprises a transmission shaft rotatably assembled on the device frame, the training piece is composed of a chain, a transmission shaft chain wheel meshed with the chain for transmission is fixed on the transmission shaft, a chain channel for guiding the corresponding chain to pass through is arranged between the guide structure and the transmission shaft, and the channel wall of the chain channel is in limit fit with the chain to transmit thrust between the chain and the transmission shaft so as to limit the bending of chain links of the chain. The invention solves the technical problem that the torque generated in the bending process of the training belt in the prior art affects the finger joints of a patient.
Description
Technical Field
The invention relates to a finger joint rehabilitation device in a rehabilitation training device.
Background
The stroke or the stroke silo causes partial movement dysfunction of a human body, and how to carry out effective rehabilitation treatment on patients with the movement dysfunction is a long-term and difficult task to recover or basically recover the movement function of the patients.
In order to achieve motor function recovery, the motor ability of the muscles must be retrained. For example, in the case of finger joint motor dysfunction, retraining of the finger joint muscle strength, muscle speed and muscle amplitude is required. The existing training device comprises a device frame and a finger joint training mechanism, wherein a transmission shaft driven by a motor is rotatably assembled on the device frame, and a tension and pressure sensor for supporting a motor shell is arranged on the device frame. The finger joint training mechanism comprises a framework, a guide structure extending in a guide direction arc shape is arranged on the framework, a training piece connected with a transmission shaft in a transmission mode is assembled on the guide structure in a guide moving mode, the training piece is a bendable training belt made of nylon or plastic, a finger connecting structure used for correspondingly connecting to a finger to be trained is arranged on the training belt, and the finger connecting structure is a finger belly inserted finger sleeve for supplying to the finger to be trained.
During the use, patient dresses the dactylotheca on waiting to train the finger, and the motor rotates and drive the training piece and remove through driving the transmission shaft to provide and provide resistance and power for finger joint's recovery training, realize finger joint's antagonism and study training. The existing finger joint rehabilitation device has the following problems: the transmission shaft is connected with the fingers through the training belt, the training belt is made of nylon or plastic, the training belt can generate certain elasticity after being bent, the output torque required by the training of the motor is measured by the tension and pressure sensor, the indication value of the tension and pressure sensor is inconsistent with the motion torque actually required by the finger joints due to the elasticity of the training piece, and the training condition that the training belt cannot overcome the action force of the training belt even when the motor does not work for some patients with serious motion dysfunction is achieved; the output rotating speed of the motor is not easy to be controlled to be optimal, the limb movement amplitude, speed and force of a patient with motor dysfunction are small, the rotating speed which is not suitable for being output by the motor can cause accidental injury due to too strong external force, the rotating speed and shutdown of the driving motor cannot be timely adjusted due to the limb movement disorder of the patient, and in order to avoid causing too large injury to the patient, extra nursing staff is usually needed to control the driving motor, so that the waste of manpower is caused; in addition, only one finger can be trained in each training, and the training efficiency is not particularly high.
Disclosure of Invention
The invention aims to provide a finger joint rehabilitation device to solve the technical problem that torque is generated in the bending process of a training belt to affect the finger joint of a patient in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides a recovered ware of finger joint, includes the device frame, is provided with at least one finger joint training mechanism on the device frame, and finger joint training mechanism includes the guide structure that direction arc extends, and the direction removes to be equipped with the training piece on the guide structure, is provided with on the training piece to be used for corresponding finger connection structure who waits to train the finger and link to each other, and finger joint training mechanism still includes the transmission shaft of rotation assembly on the device frame, the training piece comprises the chain, be fixed with on the transmission shaft with the driven transmission shaft sprocket of chain interlock is provided with between the guide structure with be provided with the chain channel that supplies to correspond the chain direction to pass through between the transmission shaft, the channel wall of chain channel with the chain is spacing to cooperate with the chain link of transmission thrust restriction chain is buckled between chain.
Each transmission shaft is provided with two transmission shaft chain wheels, and the same finger joint training mechanism comprises two training pieces which are respectively matched with the corresponding transmission shaft chain wheels.
The transmission shaft comprises a left transmission shaft part and a right transmission shaft part connected to the right side of the left transmission shaft part through a torque sensor, and each transmission shaft chain wheel is arranged on the left transmission shaft part and the right transmission shaft part respectively.
The device frame is provided with a transmission shaft locking structure for locking the left transmission shaft part and/or the right transmission shaft part.
The finger joint training mechanism comprises at least two finger joint training mechanisms, the axis of the transmission shaft of each finger joint training mechanism extends along the left-right direction, the transmission shafts of each finger joint training mechanism are sequentially arranged along the front-back direction or the up-down direction, the length of the transmission shaft is gradually shortened or the side length of the transmission shaft is gradually shortened in the sequential arrangement direction of the transmission shafts, and two transmission shaft chain wheels of the same finger joint training mechanism are respectively arranged at two ends of the transmission shaft.
The invention has the beneficial effects that: according to the invention, the training piece is composed of the chain, the chain cannot generate deformation torque in the transmission process with the transmission shaft, so that the finger joint of a patient cannot be affected, and the chain can transmit thrust between the finger connecting structure and the transmission shaft through the limitation of the chain channel, so that the push-pull transmission between the finger and the transmission shaft is realized.
Furthermore, each transmission shaft is provided with two transmission shaft chain wheels, the same finger joint training mechanism comprises two training pieces which are respectively matched with the corresponding transmission shaft chain wheels, one finger of the left hand of a patient is connected with one finger connecting structure, one finger of the right hand of the patient is connected with the other finger connecting structure, the rehabilitation training is carried out by matching the left hand and the right hand of the patient without external motor power, the learning and confrontation of finger joints are completed, the learning training can be carried out when the two fingers move towards the same direction, the confrontation training can be carried out when the two fingers move towards the opposite direction, and therefore the strength, the speed and the amplitude of muscles are gradually recovered. The training device has the advantages that the external motor is not needed, on one hand, the cost can be saved, when the training device is more important, the training force, the training amplitude and the training speed are controlled by the patient, the problem of accidental injury possibly caused by the fact that the rotating speed of the motor is not consistent is completely solved, the patient can complete the training independently, the nursing staff does not need to participate in the training process, and the liberation of the nursing staff is realized.
Drawings
FIG. 1 is a schematic block diagram of one embodiment of the present invention;
FIG. 2 is a schematic view of the training element of FIG. 1 engaged with a drive shaft;
figure 3 is a schematic view of the training element of figure 1 in cooperation with a guide structure.
Detailed Description
An embodiment of a finger joint rehabilitation device is shown in figures 1-3: the device comprises a device frame and five knuckle training mechanisms, wherein the device frame comprises a device frame base block 14 which is positioned at the back, and a concave part structure 16 with an upward notch and an axis extending along the left-right direction is arranged on the device frame base block. The front end of the device frame base block 14 is fixed with a suspension arm 3 extending in the front-rear direction, and the rear end of the suspension arm is fixed on the device frame base block 14.
Each finger joint training mechanism comprises a transmission shaft with a rotation axis extending along the left-right direction, the transmission shafts of the finger joint training mechanisms are sequentially arranged along the front-back direction, and the length of the transmission shaft of each finger joint training mechanism is gradually shortened from front to back. Each transmission shaft comprises a left transmission shaft part 5 which is rotatably assembled on the overhanging arm 3 through a bearing 2 and a right transmission shaft part 6 which is rotatably assembled on the overhanging arm through the bearing 2, and the left transmission shaft part and the right transmission shaft part of the same transmission shaft are coaxially connected through a torque sensor 1.
Each finger joint training mechanism further comprises two transmission shaft chain wheels, wherein one transmission shaft chain wheel 19 is fixed at the left end of the left transmission shaft part 5, and the other transmission shaft chain wheel 19 is fixed at the right end of the right transmission shaft part 6. Each knuckle training mechanism still includes two and sets up in the guide structure that the direction arc of concave part structure 16 bottom extends, in this embodiment, guide structure is the guide way 18 that the direction orientation extended along gradually bursting at the seams, the direction removal is equipped with the training piece on the guide structure, be provided with on the training piece and be used for the corresponding finger connection structure who treats the training fingertip and connect, finger connection structure is for being used for treating the finger tripe male dactylotheca 15 of training the fingertip, the training piece has the chain 17 of plastics material to constitute, the dactylotheca is connected on a link of the correspondence of chain, the chain of plastics material, light in weight, can reduce the influence to the knuckle training because of weight. The guide way is the big tripe groove structure that the notch is little, the groove belly is big, and the notch of guide way can carry on spacingly to the chain upside like this. Both ends of the chain are free. The device frame is provided with a rotation angle sensor which is not shown in the figure and is used for detecting the rotation angle of the transmission shaft, and the rotation angle sensor in the embodiment is an encoder.
One chain of each finger joint training mechanism is meshed with a transmission shaft chain wheel on the left transmission shaft part for transmission, and the other chain of each finger joint training mechanism is meshed with a transmission shaft chain wheel on the right transmission shaft part for transmission. In the embodiment, a square tube 10 corresponding to each chain is fixed on the device frame base block, the square tube comprises a straight tube section 10-1 extending along the front-back direction and an arc-shaped square tube section 10-2 arranged at the front end of the straight tube section, inner holes of the square tube form the chain channel, and when the chain moves in the chain channel, the channel wall of the chain channel is in limit fit with the chain to transmit thrust between the chain and the transmission shaft to limit the bending of the chain link of the chain, so that the chain can transmit both tension and thrust between the finger connecting structure and the transmission shaft.
The device frame is provided with a transmission shaft locking structure for locking the left transmission shaft part and the right transmission shaft part, the transmission shaft locking structure in the embodiment comprises a left locking screw 8 and a right locking screw 9 which are arranged corresponding to the knuckle training mechanisms, the axes of the left locking screw and the right locking screw are arranged along the up-down direction, the left locking screw and the right locking screw are assembled on the cantilever arm 3 in a threaded mode, when the locking screws are screwed downwards, the left locking screw 8 can tightly push the left transmission shaft part 5 to lock the left transmission shaft part, and the right locking screw 9 can tightly push the right transmission shaft part 6 to lock the right transmission shaft part.
From front to back, each transmission shaft respectively carries out rehabilitation training on the little finger, ring finger, middle finger, index finger and thumb of the left hand and the right hand.
When a patient needs to perform rehabilitation training on finger joints, the finger motion capability of the patient can be judged firstly, for example, when the motion capability of the left little finger needs to be judged, the left little finger is inserted into the finger sleeve on the leftmost chain, the right transmission shaft part at the forefront side is locked, the left little finger of the patient acts, and the motion capability of the patient can be judged through the indication value of the most front torque sensor. When the finger joints are required to be rehabilitated, the corresponding fingers of the left hand and the right hand which are required to be trained are respectively inserted into the two finger sleeves of the corresponding finger joint training mechanism, for example, when the left middle finger and the right middle finger need to be trained, the left middle finger needs to be inserted into the finger stall on the chain at the middle part of the left side, the middle finger of the right hand is inserted into the finger sleeve on the chain in the middle of the right side, the first transmission shaft 4 realizes the transmission between the two transmission shaft chain wheels, when the middle fingers of the left hand and the right hand move in the same direction, the power-assisted training among the fingers is carried out, the confrontation training among the fingers is carried out when the middle fingers of the left hand and the right hand move reversely, through helping hand and the antagonism training between patient's own finger, reach speed, strength and the range training to finger muscle joint, everybody's finger length is different, when carrying out the first training, can remove the initial position of chain adjustment dactylotheca. The device can simultaneously carry out rehabilitation training on all fingers of a left hand and a right hand, does not need to use a motor, and avoids accidental injury by automatically controlling speed, strength and amplitude of a patient, and meanwhile, nursing staff is not needed to participate, so that the nursing staff is liberated, and the rehabilitation training cost of the patient is reduced. In other embodiments of the present invention, the number of the knuckle training mechanisms may be only one or two, and the corresponding fingers may be trained by the knuckle training mechanisms; only one chain of each finger joint training mechanism can be provided, and a motor for driving the transmission shaft needs to be arranged at the moment.
Claims (6)
1. The utility model provides a recovered ware of finger joint, includes the device frame, is provided with at least one finger joint training mechanism on the device frame, and finger joint training mechanism includes the guide structure that direction arc extends, and the direction removes to be equipped with the training piece on the guide structure, is provided with on the training piece to be used for corresponding finger connection structure who waits to train the finger and link to each other, and finger joint training mechanism still includes the transmission shaft of rotation assembly on the device frame, the training piece comprises the chain, be fixed with on the transmission shaft with the driven transmission shaft sprocket of chain interlock is provided with between the guide structure with be provided with the chain channel that supplies to correspond the chain direction to pass through between the transmission shaft, the channel wall of chain channel with the chain is spacing to cooperate with the chain link of transmission thrust restriction chain is buckled between chain.
2. The finger joint rehabilitative apparatus according to claim 1, wherein: each transmission shaft is provided with two transmission shaft chain wheels, and the same finger joint training mechanism comprises two training pieces which are respectively matched with the corresponding transmission shaft chain wheels.
3. The finger joint rehabilitative apparatus according to claim 2, wherein: the transmission shaft comprises a left transmission shaft part and a right transmission shaft part connected to the right side of the left transmission shaft part through a torque sensor, and each transmission shaft chain wheel is arranged on the left transmission shaft part and the right transmission shaft part respectively.
4. The finger joint rehabilitative apparatus according to claim 3, wherein: the device frame is provided with a transmission shaft locking structure for locking the left transmission shaft part and/or the right transmission shaft part.
5. The finger joint rehabilitation device according to any one of claims 2 to 4, wherein: the finger joint training mechanism comprises at least two finger joint training mechanisms, the axis of the transmission shaft of each finger joint training mechanism extends along the left-right direction, the transmission shafts of each finger joint training mechanism are sequentially arranged along the front-back direction or the up-down direction, the length of the transmission shaft is gradually shortened or the side length of the transmission shaft is gradually shortened in the sequential arrangement direction of the transmission shafts, and two transmission shaft chain wheels of the same finger joint training mechanism are respectively arranged at two ends of the transmission shaft.
6. The finger joint rehabilitative apparatus according to claim 1, wherein: and a rotation angle sensor for detecting the rotation angle of the transmission shaft is arranged on the device frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010008932.6A CN111166609A (en) | 2020-01-06 | 2020-01-06 | Finger joint rehabilitation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010008932.6A CN111166609A (en) | 2020-01-06 | 2020-01-06 | Finger joint rehabilitation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111166609A true CN111166609A (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010008932.6A Pending CN111166609A (en) | 2020-01-06 | 2020-01-06 | Finger joint rehabilitation device |
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| CN (1) | CN111166609A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5472407A (en) * | 1993-10-13 | 1995-12-05 | Schenck; Robert R. | Motorized dynamic traction device |
| US20110071443A1 (en) * | 2009-09-22 | 2011-03-24 | Mount Sinai School Of Medicine | Rehabilitative training devices for use by stroke patients |
| EP2890352A2 (en) * | 2012-08-28 | 2015-07-08 | Scuola Superiore S.Anna | Wearable exoskeleton device for hand rehabilitation |
| CN105853146A (en) * | 2016-04-19 | 2016-08-17 | 王晶 | Functional rehabilitation training device for hands |
| CN205903397U (en) * | 2016-04-29 | 2017-01-25 | 中国科学院苏州生物医学工程技术研究所 | Hand function rehabilitation training device |
| CN106377395A (en) * | 2016-12-04 | 2017-02-08 | 郑州东辰科技有限公司 | Rehabilitation training device for finger joints and finger joint training mechanism |
| CN107789806A (en) * | 2017-11-08 | 2018-03-13 | 成都富中成科技有限公司 | A kind of Medical fingers rehabilitation training instrument |
| KR20180078534A (en) * | 2016-12-30 | 2018-07-10 | 경북대학교 산학협력단 | Rehabilitation Device For Finger and Method Thereof |
| CN209361029U (en) * | 2018-09-04 | 2019-09-10 | 南京市第二医院 | A finger rehabilitation exercise device for preventing scar contracture deformity |
| CN209519071U (en) * | 2018-08-23 | 2019-10-22 | 刘华 | A kind of left and right finger linkage device for healing and training |
| CN212038165U (en) * | 2020-01-06 | 2020-12-01 | 河南牛帕力学工程研究院 | finger joint rehabilitation device |
-
2020
- 2020-01-06 CN CN202010008932.6A patent/CN111166609A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5472407A (en) * | 1993-10-13 | 1995-12-05 | Schenck; Robert R. | Motorized dynamic traction device |
| US20110071443A1 (en) * | 2009-09-22 | 2011-03-24 | Mount Sinai School Of Medicine | Rehabilitative training devices for use by stroke patients |
| EP2890352A2 (en) * | 2012-08-28 | 2015-07-08 | Scuola Superiore S.Anna | Wearable exoskeleton device for hand rehabilitation |
| CN105853146A (en) * | 2016-04-19 | 2016-08-17 | 王晶 | Functional rehabilitation training device for hands |
| CN205903397U (en) * | 2016-04-29 | 2017-01-25 | 中国科学院苏州生物医学工程技术研究所 | Hand function rehabilitation training device |
| CN106377395A (en) * | 2016-12-04 | 2017-02-08 | 郑州东辰科技有限公司 | Rehabilitation training device for finger joints and finger joint training mechanism |
| KR20180078534A (en) * | 2016-12-30 | 2018-07-10 | 경북대학교 산학협력단 | Rehabilitation Device For Finger and Method Thereof |
| CN107789806A (en) * | 2017-11-08 | 2018-03-13 | 成都富中成科技有限公司 | A kind of Medical fingers rehabilitation training instrument |
| CN209519071U (en) * | 2018-08-23 | 2019-10-22 | 刘华 | A kind of left and right finger linkage device for healing and training |
| CN209361029U (en) * | 2018-09-04 | 2019-09-10 | 南京市第二医院 | A finger rehabilitation exercise device for preventing scar contracture deformity |
| CN212038165U (en) * | 2020-01-06 | 2020-12-01 | 河南牛帕力学工程研究院 | finger joint rehabilitation device |
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