CN107028613B - Cervical vertebra health state monitor - Google Patents
Cervical vertebra health state monitor Download PDFInfo
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- CN107028613B CN107028613B CN201710211522.XA CN201710211522A CN107028613B CN 107028613 B CN107028613 B CN 107028613B CN 201710211522 A CN201710211522 A CN 201710211522A CN 107028613 B CN107028613 B CN 107028613B
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- 230000036541 health Effects 0.000 title claims abstract description 29
- 238000005452 bending Methods 0.000 claims abstract description 56
- 238000004891 communication Methods 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims description 21
- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000003862 health status Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 9
- 206010041591 Spinal osteoarthritis Diseases 0.000 abstract description 8
- 208000036319 cervical spondylosis Diseases 0.000 abstract description 8
- 208000005801 spondylosis Diseases 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000002265 prevention Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 230000036544 posture Effects 0.000 description 15
- 239000010408 film Substances 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000000638 stimulation Effects 0.000 description 3
- 239000013039 cover film Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 208000017667 Chronic Disease Diseases 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1071—Measuring physical dimensions, e.g. size of the entire body or parts thereof measuring angles, e.g. using goniometers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/7455—Details of notification to user or communication with user or patient ; user input means characterised by tactile indication, e.g. vibration or electrical stimulation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention relates to a cervical vertebra health state monitor, aiming at the problems of huge and heavy cervical vertebra prevention and treatment instruments, inconvenient use and the like in the prior art, the invention discloses a simple and portable cervical vertebra state real-time monitor, which comprises a flexible substrate frame, wherein a left bending sensor, a right bending sensor, a rear bending sensor, a front bending sensor and a three-axis inclination angle sensor are respectively fixed on the flexible substrate frame; the wireless communication unit and the control device are both connected with a power supply. The cervical vertebra health state monitor disclosed by the invention has the advantages of small volume, light weight, simple structure, convenience in use and the like, is suitable for various people to monitor the cervical vertebra health, can prevent cervical spondylosis, and can also be used for auxiliary detection and treatment in the cervical spondylosis rehabilitation process.
Description
Technical Field
The invention relates to a cervical vertebra health state monitor, belonging to the cross field of mechanics, instrument science, sensor technology, computer science, human health monitoring technology and wearable instruments and equipment.
Background
The human health state detection and monitoring has important significance. Medical institutions have a large number of highly sophisticated health monitoring and surveillance instruments. However, many instruments are expensive, bulky, and require professional techniques for use, which do not satisfy the requirements of personal portability, detection, real-time monitoring, and the like. Cervical spondylosis is a chronic disease, which is related to personal body resistance and the like, and is related to the reasonability and scientificity of people in using electronic equipment such as computers and mobile phones, reading books and newspapers, watching television, driving, even sleeping postures and the like. With the increase of frequency and time of using computers by people, the development of cervical spondylosis at present spreads from old people to young people, and apparatuses and methods for preventing and treating the cervical spondylosis are urgently needed. Most of the existing instruments and equipment related to the cervical vertebra mainly treat the cervical vertebra, for example, a patent with the application number of 201310216970.0 discloses a cervical vertebra pushing and stretching device, and a patent with the application number of 201310046228.X discloses a cervical vertebra rehabilitation device and the like. At present, portable instrument equipment which can monitor whether the posture of the cervical vertebra used by people is correct or not, whether the use time is reasonable or not and the like in real time is lacked.
With the development of material science, instrument science, computer science, sensor technology, wireless communication technology, energy technology and the like, wearable medical instruments and devices develop faster in these years. Therefore, the development of a portable apparatus capable of providing support for the prevention and treatment of cervical spondylosis using these emerging technical studies is one of the tasks currently required by those skilled in the art.
Disclosure of Invention
The invention discloses a cervical vertebra state real-time monitoring instrument which is simple, convenient and easy to carry, aiming at the problems of huge and heavy equipment, inconvenient use and the like of cervical vertebra prevention and treatment instruments in the prior art, so that the posture and the bending condition of the back and the neck of a human body can be monitored in real time, and the aim of real-time monitoring or simultaneous alarming is fulfilled by combining the recorded time of various postures.
In order to realize the purpose, the invention discloses a cervical vertebra health state monitor, which comprises a flexible substrate framework, wherein the flexible substrate framework consists of an upper frame, a lower frame and three vertical frames which are vertically fixed between the upper frame and the lower frame at equal intervals and respectively comprise a left frame, a right frame and a rear frame; the two ends of the flexible base frame can be selectively closed at the neck of a person to be monitored; the inner side surfaces of the left frame and the right frame are respectively fixed with a left bending sensor and a right bending sensor; the inner side surface of the rear frame is fixedly provided with two sensors in a back-to-back mode, the rear bending sensor is close to the rear frame, the front bending sensor is arranged on the inner side of the rear frame, the three-axis inclination angle sensor is connected to a control device through a cable rope, the control device is fixed on the outer side surface of the intersection of the lower frame and the rear frame, the control device comprises a processing unit with a clock chip and a storage unit, the left bending sensor, the right bending sensor, the front bending sensor and the rear bending sensor are all connected with the processing unit, and the processing unit is further connected with a wireless communication unit; the wireless communication device also comprises a power supply with a switch, and the power supply is connected with the wireless communication unit and the control device.
The flexible base frame can be made of cloth, rubber, plastic and the like. The integral structure formed by the upper frame, the lower frame, the left frame, the right frame and the rear frame can be regarded as a falling Chinese character 'ri'.
When the flexible base frame is closed, the inner diameter of the ring formed by the upper frame and the lower frame is suitable for the neck of a human body, and the distance between the upper frame and the lower frame is approximately equal to the length of the neck of the human body. In summary, its overall dimensions should ensure that this flexible base frame can be well matched to the neck of the person to be monitored, and its left and right bending sensors should correspond to the left and right sides of the neck of the person to be monitored, respectively, and its front and rear bending sensors should fit to the rear side of the neck of the person to be monitored, preferably in the cervical spine position.
The power supply is for ensuring the energy of the control means, the wireless communication unit and the vibration motor described later, and therefore any existing product capable of achieving this function can be used here. In the present invention, it is preferable to include a lithium battery and a charging circuit, and a switch of the device thereon can control the switch of the whole cervical vertebra health status monitor.
The sensors involved in the invention comprise a left bending sensor, a right bending sensor, a front bending sensor, a rear bending sensor and a three-axis tilt angle sensor which are all in a sheet shape, wherein in order to be matched with the flexible base frame, the left bending sensor, the right bending sensor, the front bending sensor and the rear bending sensor are all in a rectangular strip shape and are respectively used for detecting the bending angles of the neck part towards the left, the right, the front and the rear. The three-axis tilt angle sensor is circular and can be attached to the back below the neck of a human body, so that the three-axis tilt angle of the back of the human body can be detected.
A processing unit in the control device is connected with a left bending sensor, a right bending sensor, a front bending sensor, a rear bending sensor and a three-axis tilt angle sensor to complete data acquisition, and a clock chip on the processing unit can time the duration of each state and store the duration in a storage unit after comparing the duration with data preset in the processing unit.
The wireless communication unit is a link between the control device and the user, and can receive data information of the control device and send the data information to portable equipment such as a mobile phone and a computer of the user, and also can receive a control command of the user and transmit the control command to the control processing unit.
Preferably, the cervical vertebra health status monitor is further provided with a vibration motor, the vibration motor is fixed on the inner side surface of the intersection of the rear frame and the lower frame, and the vibration motor is respectively connected with the control device and the power supply. The processing unit in the control device can control the vibration motor to work according to the processing result, so that vibration stimulation is generated, and a user is reminded that the cervical vertebra is bent in a certain direction for too long time, and can take care of adjustment and rest.
In combination with data preset in the control device, a fatigue warning function can be obtained. The implementation of this function can be described in detail as: the control processing unit combines the acquired bending sensor data and the three-axis tilt sensor data, and the timing is carried out through a clock chip, so that when the holding time of a user in a posture which is not beneficial to cervical vertebra health exceeds a threshold value, the vibration motor is controlled to vibrate to give an alarm prompt; the posture which is not beneficial to the cervical vertebra health is obtained by comparing the sensor data with the sensor data of the posture which is beneficial to the cervical vertebra health, the posture which is beneficial to the cervical vertebra health is determined in advance by a doctor, and the sensor data range corresponding to the posture which is beneficial to the cervical vertebra health is stored in the storage unit of the control device; the posture which is not beneficial to the health of the cervical vertebra comprises that when the three-axis inclination angle sensor detects that the back of a human body is vertical or is close to vertical, the four bending sensors detect that the continuous bending time of the neck of the human body in any one of the front, back, left and right directions exceeds a threshold value, the posture which is not beneficial to the health of the cervical vertebra also comprises that when the three-axis inclination angle sensor detects that the spinal axis of the back of the human body is close to parallel with a horizontal plane, the human body is considered to be in a lying state for rest, and at the moment, the four bending sensors detect that the neck is too long in any one of the directions; the threshold and the new threshold are set by software of the control processing unit or by a user through portable equipment such as a mobile phone, a computer and the like, and the new threshold can be longer than the threshold so as to prevent the stimulation from being too frequent and influencing rest.
As a preferred mode, we also disclose that the inside of the flexible base frame is also covered with a coating. The covering film is used for protecting each component arranged on the flexible base frame, and cloth and other flexible materials which are warm and mild in contact with the skin of a human body can be adopted. The cover film may cover only at the part, but a shape identical to that of the flexible base frame is more preferable in the present invention. The various components are located between the flexible base frame and the cover film.
More preferably, two preferable fixing methods are provided, the first method is that the two ends of the upper border and the two ends of the lower border of the flexible base frame are respectively fixed with binding ropes.
In this way, it is preferable that the two ends of the binding rope of the upper frame and the lower frame are respectively provided with the magic tapes correspondingly.
The rope binding comprises two pairs of rope binding and two pairs of rope binding, each pair of rope binding comprises a left part and a right part, the upper rope binding is located at two ends of the upper frame, the lower rope binding is located at two ends of the lower frame, when the flexible base frame fixed with each component or the flexible base frame fixed with each component with a film is buckled on the neck from the rear of the neck, the upper rope binding and the lower rope binding can be tied through a rope knot, or the magic tape is fixed, and therefore the whole device is fixed on the neck of a human body.
In a second mode, both ends of the upper frame and both ends of the lower frame of the flexible substrate frame are connected by a high elastic bandage.
The high elastic bandage and the upper frame and the lower frame of the flexible substrate frame form two rings respectively, and the two rings are directly sleeved into the neck when in use.
Finally, we also preferably disclose that the power supply and the wireless communication unit are symmetrically fixed on the outer side faces of the lower frames on two sides of the control device respectively. Therefore, the power supply and the wireless communication unit can be fixed, and meanwhile, the balance and the stability of the whole monitor can be better guaranteed.
The cervical vertebra health state monitor disclosed by the invention has the advantages of small volume, light weight, simple structure, convenience in use and the like, is suitable for various people to monitor the cervical vertebra health, can prevent cervical spondylosis, and can also be used for auxiliary detection and treatment in the cervical spondylosis rehabilitation process; meanwhile, the fatigue alarm method obtains the duration of the posture which is not beneficial to the cervical vertebra health through timing, so that whether the alarm is given or not is determined, the threshold value can be reset through the portable equipment, the human-computer interaction is good, the fatigue alarm method is more humanized and suitable for different people, and the practicability is high.
Drawings
FIG. 1 is a block diagram of the system components of an embodiment of the present invention.
Fig. 2 is a rear right view of an embodiment of the present invention.
Fig. 3 is a front right view of an embodiment of the present invention.
Fig. 4 is a front left view of an embodiment of the present invention.
FIG. 5 is an expanded schematic view of a flexible substrate frame of an embodiment of the invention.
FIG. 6 is a schematic diagram of bend angle detection with leftward bending according to an embodiment of the present invention.
FIG. 7 is a schematic view of bending angle detection forward bending according to an embodiment of the present invention. A
Detailed Description
In order that the invention may be better understood, we now provide further explanation of the invention with reference to specific examples.
Referring to the attached drawings 1, 2, 3, 4 and 5, the cervical vertebra health state monitor comprises a flexible base frame 1, a film 2, a binding rope 3, a power supply 4, a control device 6, a wireless communication unit 7 and a vibration motor 8. The flexible base frame 1 is in a semi-cylindrical structure, the diameter of the bottom surface of the flexible base frame is equivalent to the thickness of the neck of a human body, the height of the flexible base frame is equivalent to the length of the neck of the human body, the flexible base frame is made of a certain flexible material and can be made of cloth, rubber, plastics and the like; the shape of the covering film 2 is the same as that of the flexible substrate frame 1, the covering film 2 is fixed on the inner side of the cylindrical surface of the substrate 1, the covering film 2 also has certain flexibility, and the covering film can be made of materials which are mild in contact with human skin, such as cloth; two symmetrical rectangular holes are dug in the flexible substrate frame 1 and the covering film 2, and the two symmetrical rectangular holes are unfolded to be in a toppled Chinese character ri shape; the binding rope 3 is arranged on the flexible base frame 1 and comprises a left upper binding rope 3-1, a right upper binding rope 3-2, a left lower binding rope 3-3 and a right lower binding rope 3-4, and the binding ropes are used for fixing the whole monitor on the neck of a human body; the power module 4 is arranged at the right bottom of the inverted Chinese character 'ri', is positioned between the flexible substrate frame and the covering film, comprises a lithium battery and a charging circuit, provides energy for the work of the control device 6, the wireless communication unit 7 and the vibration motor 8, and is used for charging the lithium battery, and the power module 4 also comprises a switch used for controlling the on-off of the instrument; the sensing device 5 comprises a left bending sensor 5-1, a right bending sensor 5-2, a front bending sensor 5-3, a rear bending sensor 5-4 and a three-axis tilt angle sensor 5-5, wherein the left bending sensor 5-1 and the right bending sensor 5-2 are respectively and forwardly mounted on the left and right vertical beams of the inverted 'ri' shape of the flexible base frame, are positioned between the flexible base frame 1 and the covering film 2 and are respectively used for detecting the angles of inclination and bending of the neck towards the left and right sides, and the front bending sensor 5-3 and the rear bending sensor 5-4 are mounted on the middle vertical beam of the inverted 'ri' shape back to back and are positioned between the flexible base frame 1 and the covering film 2 and are used for detecting the angles of inclination and bending of the neck towards the front and the rear; the three-axis tilt angle sensor 5-5 is connected with the control device 6 at the position of the flexible base frame 1 through an electric cable 5-5-1, and the three-axis tilt angle sensor 5-5 is in a sheet shape and can be attached to the back of the lower part of the neck of a human body and used for detecting the three-axis angle of the inclination of the back of the human body; the control device 6 comprises a control processing unit 6-1 and a storage unit 6-2, the control processing unit 6-1 is connected with the sensing device 5 to collect sensor data, the information after data processing is stored in the storage unit 6-2, the control processing unit 6-1 can also control the vibration motor 8 to work, and the control processing unit 6-1 is also connected with the wireless communication unit 7 to receive commands and send data; the wireless communication unit 7 can receive the data information of the control device 6 and send the data information to portable equipment such as a mobile phone, a computer and the like of a user, and can also receive a control command of the user and transmit the control command to the control processing unit 6-1; the vibrating motor 8 is arranged in the middle of the bottom cross beam in the shape of the inverted Chinese character ri and located between the flexible base frame 1 and the film covering 2, and can generate vibrating stimulation under the control of the control device 6 to remind a user that the cervical vertebra is bent in a certain direction for too long time, and the user needs to pay attention to adjustment and rest.
The control processing unit 6-1 further comprises a clock chip for recording time;
referring to fig. 6 and 7, an example of the alarm method of the fatigue alarm function of the cervical vertebra health status monitor can be described as follows: when the neck of the human body inclines towards the left side of the figure, the left bending sensor 5-1 can detect the change of the angle and can trigger the timing chip to start timing as shown in figure 6, if the time exceeds a preset threshold value, the control processing unit 6-1 can control the vibration motor 8 to generate vibration so as to remind a user of the neck posture; when a user uses an electronic product such as a computer, a mobile phone and the like, the head of the user may be forward and downward, the neck of the user is bent forward, the angle change is detected by the front bending sensor shown in fig. 7, the neck of the user is not good for health, and when the user is in the posture for a long time, the time exceeds a threshold value, the vibration motor 8 is controlled to vibrate, so that the user is reminded to take a rest or change the posture.
Claims (7)
1. Cervical vertebra health status monitor, characterized by: the flexible substrate frame comprises an upper frame, a lower frame and three vertical frames which are vertically fixed between the upper frame and the lower frame at equal intervals, wherein the three vertical frames are respectively a left frame, a right frame and a rear frame; the two ends of the flexible base frame can be selectively closed at the neck of a person to be monitored; the inner side surfaces of the left frame and the right frame are respectively fixed with a left bending sensor and a right bending sensor; the cervical vertebra health state monitoring instrument comprises a lower frame, a rear frame, a control device, a left bending sensor, a right bending sensor, a front bending sensor, a three-axis inclination angle sensor, a cable rope, a processing unit and a wireless communication unit, wherein the two sensors are fixed on the inner side surface of the rear frame in a back-to-back mode, the rear bending sensor is close to the rear frame, the front bending sensor is located on the inner side of the rear frame, the three-axis inclination angle sensor is connected to the control device through the cable rope, the control device is fixed on the outer side surface of the intersection of the lower frame and the rear frame, the control device comprises the processing unit with a clock chip and a storage unit, and the left bending sensor, the right bending sensor; the wireless communication device also comprises a power supply with a switch, and the power supply is connected with the wireless communication unit and the control device.
2. The cervical spine health monitor according to claim 1, wherein: the vibration motor is fixed on the inner side surface of the intersection of the rear frame and the lower frame and is respectively connected with the control device and the power supply.
3. The cervical spine health monitor according to claim 1 or 2, wherein: the inner side of the flexible base frame is also covered with a layer of covering film.
4. The cervical spine health monitor according to claim 1, wherein: and binding ropes are respectively fixed at the two ends of the upper frame and the two ends of the lower frame of the flexible base frame.
5. The cervical spine health monitor according to claim 1, wherein: both ends of the upper frame and both ends of the lower frame of the flexible substrate frame are connected through high-elasticity bandages.
6. The cervical spine health monitor according to claim 4, wherein: the two ends of the binding rope of the upper frame and the lower frame are respectively provided with a magic tape correspondingly.
7. The cervical spine health monitor according to claim 1, wherein: the power supply and the wireless communication unit are respectively and symmetrically fixed on the outer side surfaces of the lower frames at two sides of the control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710211522.XA CN107028613B (en) | 2017-04-01 | 2017-04-01 | Cervical vertebra health state monitor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710211522.XA CN107028613B (en) | 2017-04-01 | 2017-04-01 | Cervical vertebra health state monitor |
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| CN107028613A CN107028613A (en) | 2017-08-11 |
| CN107028613B true CN107028613B (en) | 2020-04-21 |
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| CN201710211522.XA Expired - Fee Related CN107028613B (en) | 2017-04-01 | 2017-04-01 | Cervical vertebra health state monitor |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107693020B (en) * | 2017-10-23 | 2024-05-03 | 中国人民解放军总医院第一医学中心 | Spinal physiological curvature monitoring device and spinal physiological curvature monitoring method |
| CN109171745A (en) * | 2018-08-29 | 2019-01-11 | 成都和煦医疗科技有限公司 | The integrated rehabilitation of cervical spondylosis system of detection and physical therapy based on cloud platform |
| CN110507329B (en) * | 2019-08-28 | 2022-04-15 | 合肥工业大学 | Cervical vertebra posture monitoring method and system based on flexible bending sensor |
| CN110811627B (en) * | 2020-01-10 | 2020-04-17 | 深圳市中医院 | Cervical vertebra state data monitoring method and system |
| CN111714130A (en) * | 2020-06-29 | 2020-09-29 | 北京小米移动软件有限公司 | Neck massage control method and device, neck massage instrument, electronic device and medium |
| CN113243908B (en) * | 2021-06-21 | 2021-09-21 | 广州中医药大学深圳医院(福田) | Real-time monitoring device and real-time monitoring method for lumbar vertebrae |
| CN114652300A (en) * | 2022-03-17 | 2022-06-24 | 北京航空航天大学 | Electronic skin for cervical vertebra health monitoring |
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| CN203841155U (en) * | 2014-05-22 | 2014-09-24 | 深圳惟易科技有限公司 | Intelligent collar |
| CN104352294A (en) * | 2014-12-02 | 2015-02-18 | 上海斐讯数据通信技术有限公司 | Spinal correction device |
| CN204596097U (en) * | 2015-04-11 | 2015-08-26 | 张建敏 | Correcting sitting posture neck ring |
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|---|---|---|---|---|
| US10575979B2 (en) * | 2009-02-06 | 2020-03-03 | Jamshid Ghajar | Subject-mounted device to measure relative motion of human joints |
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2017
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| CN203841155U (en) * | 2014-05-22 | 2014-09-24 | 深圳惟易科技有限公司 | Intelligent collar |
| CN104352294A (en) * | 2014-12-02 | 2015-02-18 | 上海斐讯数据通信技术有限公司 | Spinal correction device |
| CN204596097U (en) * | 2015-04-11 | 2015-08-26 | 张建敏 | Correcting sitting posture neck ring |
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| New generation of wearable goniometers for motion capture systems;Alessandro Tognetti;《Journal of NeuroEngineering and Rehabilitation》;20141231;第1-17页 * |
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