CN207996210U - A kind of upper extremity strength tester - Google Patents
A kind of upper extremity strength tester Download PDFInfo
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- CN207996210U CN207996210U CN201720764379.2U CN201720764379U CN207996210U CN 207996210 U CN207996210 U CN 207996210U CN 201720764379 U CN201720764379 U CN 201720764379U CN 207996210 U CN207996210 U CN 207996210U
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- damper
- torque
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- cpu
- upper extremity
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Abstract
The utility model provides a kind of upper extremity strength tester,Including pedestal,Pedestal is equipped with the two upper limb driving devices driven for arm,Upper limb driving device includes force section,The shaft being connect with force section and the damping unit being arranged on pedestal,Damping unit includes damper,Damper connect with rotating shaft transmission and exports damping torque,Upper extremity strength tester further includes the torque sensor being set in shaft,Speed measuring device and CPU on damper and for detecting damper axle center rotating speed,CPU is electrically connected with damping unit and controls the damping torque of damper output,CPU is electrically connected with torque sensor and obtains the torque acted in shaft,CPU is electrically connected with speed measuring device and obtains the rotating speed in damper axle center,CPU processing acts on the rotating speed in the torque in shaft and damper axle center to obtain acting on the rotating speed of active force and shaft in shaft under different damping torque,To objectively judge the upper extremity strength situation of tester.
Description
Technical field
The utility model is related to rehabilitation field of auxiliary more particularly to a kind of upper extremity strength testers.
Background technology
The muscle force recovering of muscle cramp patient be unable to do without the Accurate Diagnosis to patient's extent, only accurately diagnoses
Suitable therapeutic scheme can be formulated, the measurement of upper extremity strength at this stage relies primarily on the sick limb of the manual drawing-off patient of doctor, passes through
The resistance of patient's muscle is experienced to evaluate the muscular strength situation of patient, due to more subjective, the different doctor of this measurement method
It can obtain different conclusions, therefore design a kind of upper extremity strength tester, the subjective judgement pair of doctor is replaced with objective data
The formulation of patients ' recovery plan is particularly important.
Invention content
Accurate, comprehensive upper extremity strength tester is measured the purpose of this utility model is to provide a kind of.
In order to achieve the above object, the utility model adopts the following technical solution:A kind of upper extremity strength tester, including base
Seat, pedestal are equipped with the two upper limb driving devices driven for arm, and upper limb driving device includes force section, connect with force section
Shaft and the damping unit that is arranged on pedestal, damping unit include damper, damper is connect and defeated with rotating shaft transmission
Go out damping torque, upper extremity strength tester further includes the torque sensor being set in shaft, on damper and for detecting
The speed measuring device and CPU of damper axle center rotating speed, CPU are electrically connected with damping unit and control the damping torque of damper output,
CPU is electrically connected with torque sensor and obtains the torque acted in shaft, and CPU is electrically connected with speed measuring device and obtains damper
The rotating speed in axle center, CPU processing act on the rotating speed in the torque in shaft and damper axle center to obtain under different damping torque
Act on the rotating speed of the active force and shaft in shaft.
Further, the speed measuring device includes Hall sensor and is synchronized on the axle center of damper and with damper
The magnet ring of rotation, Hall sensor acquire the rotational frequency signal of magnet ring, and CPU is electrically connected with Hall sensor and by handling magnetic
The rotational frequency signal of ring obtains the rotating speed in damper axle center.
Further, the speed measuring device further includes shaft coupling and magnet ring connector, and magnet ring is set on magnet ring connector, magnetic
Ring connector is set to by coupler sleeve on the axle center of damper.
Further, the damping unit further includes outer housing, and outer housing includes upper cover plate, and speed measuring device further includes circuit
Plate and circuit board mount, circuit board mount are set to the upper end of upper cover plate, and Hall sensor is set to circuit board mount by wiring board
On.
Further, the damping unit further includes control circuit, and damper is electromagnetic damper, CPU and control circuit
Input terminal electrical connection and adjusting control circuit on electric current size, the output end of control circuit is electrically connected simultaneously with electromagnetic damper
The size of control input electromagnetic damper electric current;Alternatively, the damping unit further includes control circuit, damper is electromagnetic damping
Device, CPU are electrically connected the size of voltage on simultaneously adjusting control circuit, output end and the electricity of control circuit with the input terminal of control circuit
Magnetic damper is electrically connected and controls the size of input electromagnetic damper voltage.
Further, the CPU connects mobile terminal by way of wireless telecommunications.
Further, the damping unit further includes torque-transmitting mechanisms, the input terminal and damper of torque-transmitting mechanisms
It is sequentially connected, the output end of torque-transmitting mechanisms is connect with rotating shaft transmission.
Further, one end of the torque sensor is connect with rotating shaft transmission, the other end and torque of torque sensor
The output end of transmission mechanism is sequentially connected.
Further, the force section includes moving lever and the handle set on moving lever upper end, and moving lever is equipped with buffering
Plate.
Further, the force section further includes connector sleeve and anchor ear, and connector sleeve is set on moving lever, and buffer board is by embracing
Hoop is set on connector sleeve.
After adopting the above technical scheme, the utility model has the following advantages that:
1, by the way that damper is arranged, damper connect with rotating shaft transmission and exports damping torque to shaft, makes to increase in shaft
Add damping torque, the situation of tester's upper extremity strength under different damping torque can be tested, keeps test result more comprehensive, accurate
Really, reliably;The torque in shaft, shaft and force are acted on by the way that the real-time collecting test person of torque sensor is arranged in shaft
Portion connects to derive that tester acts on the power on force section;By the way that speed measuring device is arranged on damper, can detect
The rotating speed in damper axle center, shaft are sequentially connected with damper to derive that the rotating speed of shaft, shaft are connect with force section, therefore
The rotating speed is the speed that tester pushes force section;By the way that CPU is arranged, CPU is electrically connected with damping unit and controls damper
The damping torque of countershaft output, CPU are electrically connected with torque sensor and obtain in real time, record the torque acted in shaft,
CPU is electrically connected with speed measuring device and obtains in real time, records the rotating speed in damper axle center, and CPU processing acts on the torque in shaft
When the rotating speed in data and damper axle center exports different damping torques to calculate damper to shaft, tester, which acts on, to apply
Power and tester in power portion push the speed of force section.According to objective, comprehensive measurement data, doctor can preferably judge
The upper extremity strength situation of tester avoids judging caused secondary injury by accident to make corresponding rehabilitation programme.
2, speed measuring device includes Hall sensor and magnet ring, and magnet ring, which is set on the axle center of damper and is synchronized with damper, to be turned
Dynamic, it is exactly rotating speed and the position of damper, Hall sensor and magnet ring to make the rotating speed for the magnet ring that Hall sensor measures and position
It matches, the pulse signal exported according to Hall sensor derives rotating speed and the position of magnet ring, further derives damping
The rotating speed of device and position.It is matched and is tested the speed by Hall sensor and magnet ring, the output signal of Hall sensor will not be by
To the influence of tachometer value, and the ability of anti-jamming signal is strong, keeps the rotary speed precision measured high, obtained measurement data accuracy is more
It is good, ensure the accuracy that upper extremity strength situation judges.
3, by the way that magnet ring connector is arranged, magnet ring is fixed on magnet ring connector, magnet ring connector and damper are passed through
Connection, keeps connection relatively reliable, by the way that shaft coupling is arranged, connects the axle center in the axle center and damper of magnet ring connector, makes damping
The axle center of device and the axle center of magnet ring connector rotate jointly and transmit torque, to make damper axle center rotating speed and magnet ring around
The rotating speed in damper axle center is equal, and shaft coupling keeps the connection between damper and magnet ring connector relatively reliable, and have and buffer,
The advantages of damping, makes the data accuracy higher that the structure of speed measuring device is relatively reliable, measures.
4, damping unit further includes outer housing, and outer housing is isolated from the outside world by the other component in damping unit, makes resistance
The use of Buddhist nun's device is more safe and reliable, avoids the damage of external influence and outer force effect, while also having dust-proof effect, increases
Add the service life of damping unit;By in the circuit board, Hall sensor being made to keep good spirit Hall sensor installation
Sensitivity, and wiring density is high, reduces the volume of speed measuring device, circuit board mount is set to the upper end of the upper cover plate of outer housing, circuit
Plate is fixed on assist side holder, so that the position of Hall sensor is fixed, the signal between Hall sensor and magnet ring is more steady
It is fixed, make the accuracy higher of the data measured.
5, damper is electromagnetic damper, is connect and is controlled defeated by conducting wire with electromagnetic damper by setting control circuit
Enter the size of electromagnetic damper electric current or the size of voltage, to control the size that electromagnetic damper exports damping torque, CPU
It connect the size of electric current or the size of voltage on simultaneously adjusting control circuit with the input terminal conducting wire of control circuit, therefore can lead to
The size of CPU control electromagnetic damper output damping torques is crossed, the damping torque for making to act in shaft is adjustable, obtains tester
Upper extremity strength situation under different damping torque, so as to get measurement data more comprehensively, it is reliable.
6, CPU connects mobile terminal by way of wireless telecommunications, and mobile terminal can be the mobile phone and tablet computer of doctor
Or laptop, so that doctor is seen the test result of tester in real time, doctor is facilitated to analyze test result
Judge, the upper extremity strength situation of tester is accurately judged, to make corresponding rehabilitation programme.
7, by the way that torque-transmitting mechanisms are arranged, input terminal and the damper of torque-transmitting mechanisms are sequentially connected, and torque transmits
The output end of mechanism is connect with rotating shaft transmission, and when carrying out measurement of muscule strength dynamometry, shaft drives torque-transmitting mechanisms rotation, torque to transmit machine
Structure band fluctuation dampers rotate, and can change the transmission ratio between shaft and damper by the way that torque-transmitting mechanisms are arranged, to real
The rotating speed for now increasing damper drives big rotating speed with small rotating speed, keeps the rotating speed that speed measuring device measures more accurate, improves upper limb flesh
The test accuracy of power tester;Or when with damper application damping torque, damper is exported to torque-transmitting mechanisms and is damped
Torque, torque-transmitting mechanisms export damping torque to shaft, are changed between damper and shaft by the way that torque-transmitting mechanisms are arranged
Transmission ratio big damping torque is realized with small damping torque to damping torque of the increasing action in shaft, increase resistance
The adjustable range of Buddhist nun's torque keeps the scope of application of upper extremity strength tester wider.
8, it by the way that torque sensor to be mounted between shaft and torque-transmitting mechanisms, is directly transmitted and is turned with torque sensor
The torque of axis keeps the torque data acted in shaft that torque sensor is acquired accurate to drive torque-transmitting mechanisms to rotate
True property higher, increases the reliability of upper extremity strength tester.
9, force section includes moving lever and the handle set on moving lever upper end, and handle can be more convenient tester and hold progress
Force, moving lever are equipped with buffer board, and the fitted body of buffer board and tester plays the role of buffering, tester is avoided to exist
It is injured in test process, increase the safety of upper extremity strength tester.
10, moving lever is equipped with connector sleeve, and buffer board is mounted on connector sleeve by anchor ear, is made between anchor ear and moving lever
It can relatively rotate, to adjust the angle of buffer board, the body for the tester that can preferably coincide ensures pooling feature
It realizes, avoids tester injured during the test, further increase the safety of upper extremity strength tester.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the structural schematic diagram of upper extremity strength tester embodiment one described in the utility model.
Fig. 2 is the sectional view of upper extremity strength tester embodiment one described in the utility model.
Fig. 3 is the explosive view of damping unit in upper extremity strength tester embodiment one described in the utility model.
Fig. 4 is the structural schematic diagram of upper extremity strength tester embodiment two described in the utility model.
Marked the names of the parts are as follows in figure:
1, upper limb driving device;11, force section;111, moving lever;112, handle;113, buffer board;114, connector sleeve;
115, anchor ear;12, shaft;13, torque sensor;2, damping unit;21, damper;22, outer housing;221, upper cover plate;23,
Torque-transmitting mechanisms;3, speed measuring device;31, magnet ring;32, shaft coupling;33, magnet ring connector;34, wiring board;35, wiring board branch
Frame.
Specific implementation mode
Embodiment one:
As shown in Figures 1 to 3, the utility model provides a kind of upper extremity strength tester, including rack, rack include pedestal,
Pedestal is equipped with the two upper limb driving devices 1 driven for arm, and upper limb driving device 1 includes force section 11 and force section 11
The shaft 12 of connection and the damping unit 2 being arranged on pedestal, damping unit 2 include damper 21, damper 21 and shaft
12 are sequentially connected and export damping torque, make to increase damping torque in shaft 12, can test tester in different damping torque
The situation of lower upper extremity strength makes test result more comprehensively, accurately, reliably;Upper extremity strength tester further includes torque sensor
13, speed measuring device 3 and CPU, torque sensor 13 is mounted in shaft 12 and collecting test person acts in shaft 12 in real time
Torque, shaft 12 connect to derive the power that tester acts on force section 11 with force section 11;Speed measuring device 3 is mounted on
On damper 21, speed measuring device 3 can detect the rotating speed in the axle center of damper 21, and shaft 12 is sequentially connected with damper 21, from
And derive the rotating speed of shaft 12, shaft 12 is connect with force section 11, therefore the rotating speed is the speed that tester pushes force section;
CPU connect by conducting wire with damping unit 2 and controls the damping torque of 21 countershaft 12 of damper output, and tester is allow to exist
Upper extremity strength test is carried out under different damping torque, CPU is connect by conducting wire with torque sensor 13 and obtained in real time, recorded and make
With the torque in shaft 12, CPU connect by conducting wire with speed measuring device 3 and obtains in real time, records the axle center of damper 21
Rotating speed, the rotating speed in the axle center of torque data and damper 21 that CPU processing acts in shaft 12 with calculate damper 21 to
When shaft 12 exports different damping torques, power and tester that tester acts on force section 11 push the speed of force section 11
Degree.By objective, comprehensive measurement data, doctor can preferably judge the upper extremity strength situation of tester, to make phase
The rehabilitation programme answered avoids judging caused secondary injury by accident.
In the present embodiment, speed measuring device 3 includes Hall sensor and magnet ring 31, and magnet ring 31 is mounted on the axle center of damper 21
Upper and as damper 21 rotates synchronously, it is exactly turning for damper 21 to make the rotating speed for the magnet ring 31 that Hall sensor measures and position
Speed and position, Hall sensor are matched with magnet ring 31, and the pulse signal exported according to Hall sensor derives magnet ring 31
Rotating speed and the position of damper 21 are further derived in rotating speed and position.By Hall sensor and magnet ring 31 match into
Row tests the speed, and the output signal of Hall sensor will not be influenced by tachometer value, and the ability of anti-jamming signal is strong, makes to measure
Rotary speed precision is high, and obtained measurement data accuracy is more preferable, ensures the accuracy that upper extremity strength situation judges.
Speed measuring device 3 further includes shaft coupling 32 and magnet ring connector 33, and magnet ring 31 is fixed on magnet ring connector 33, magnet ring
31 are connect by magnet ring connector 33 with damper 21, keep connection relatively reliable, by the way that shaft coupling 32, connection magnet ring connection is arranged
The axle center in the axle center in the axle center and damper 21 of part 33, the axle center and magnet ring connector 33 that make damper 21 rotates jointly and transmits
Torque, to make damper 21 axle center rotating speed and magnet ring 31 it is equal around the rotating speed in 21 axle center of damper, shaft coupling 32 makes
Connection between 31 connector of damper 21 and magnet ring is relatively reliable, and has the advantages that buffering, damping, makes speed measuring device 3
The data accuracy higher that structure is relatively reliable, measures.
Damping unit 2 further includes outer housing 22, and outer housing 22 is isolated from the outside world by the other component in damping unit 2,
Make that the use of damping unit 2 is more safe and reliable, avoids the damage of external influence and outer force effect, while also having dust-proof effect
Fruit increases the service life of damping unit 2;Speed measuring device 3 further includes wiring board 34 and circuit board mount 35, Hall sensor peace
On wiring board 34, so that Hall sensor is kept good sensitivity, and wiring density is high, reduces the volume of speed measuring device 3,
Outer housing 22 includes upper cover plate 221, and circuit board mount 35 is mounted on the upper end of upper cover plate 221, and wiring board 34 fixes assist side
On holder 35, the position of Hall sensor is made to fix, the signal between Hall sensor and magnet ring 31 is more stablized, and makes to measure
The accuracy higher of data.
CPU connects mobile terminal by way of the wireless telecommunications such as bluetooth, wifi, and mobile terminal is the tablet electricity of doctor
Brain.So that doctor is seen the test result of tester in real time, tester is facilitated to analyze and determine test result, accurately
The upper extremity strength situation for judging tester, to make corresponding rehabilitation programme.
Specifically, damper 21 is electromagnetic damper, damping unit 2 further includes control circuit, by the way that control circuit is arranged
The size of input electromagnetic damper electric current is connect and controlled by conducting wire with electromagnetic damper, to control electromagnetic damper output
The input terminal conducting wire of the size of damping torque, CPU and control circuit connects the size of electric current on simultaneously adjusting control circuit, therefore can
To control the size that electromagnetic damper exports damping torque by CPU, the damping torque for making to act in shaft is adjustable, is surveyed
Upper extremity strength situation of the examination person under different damping torque, so as to get measurement data more comprehensively, it is reliable.
Damping unit 2 further includes torque-transmitting mechanisms 23, and input terminal and the transmission of damper 21 of torque-transmitting mechanisms 23 connect
It connects, output end and the shaft 12 of torque-transmitting mechanisms 23 are sequentially connected, and when carrying out measurement of muscule strength dynamometry, shaft 12 transmits machine with dynamic torque
Structure 23 rotates, and torque-transmitting mechanisms 23 are rotated with fluctuation dampers 21, can change shaft 12 by the way that torque-transmitting mechanisms 23 are arranged
Big rotating speed is driven with small rotating speed, makes the dress that tests the speed to realize the rotating speed for increasing damper 21 with the transmission ratio between damper 21
It sets that the rotating speed that 3 measure is more accurate, improves the test accuracy of upper extremity strength tester;Or apply damping force with damper 21
When square, damper 21 exports damping torque to torque-transmitting mechanisms 23, and torque-transmitting mechanisms 23 export damping torque to shaft 12,
By the way that the transmission ratio between the change damper 21 of torque-transmitting mechanisms 23 and shaft 12 is arranged, to which increasing action is in shaft 12
Damping torque, big damping torque is realized with small damping torque, increases the adjustable range of damping torque, upper extremity strength is made to survey
The scope of application for trying device is wider.In the present embodiment, torque-transmitting mechanisms 23 are gear set,
One end of torque sensor 13 is sequentially connected with shaft 12, the other end and torque-transmitting mechanisms of torque sensor 13
23 output end is sequentially connected, and by the way that torque sensor 13 to be mounted between shaft 12 and torque-transmitting mechanisms 23, directly uses
Torque sensor 13 transmits the torque of shaft 12, to drive torque-transmitting mechanisms 23 to rotate, torque sensor 13 is made to be acquired
The torque data accuracy higher in shaft 12 is acted on, the reliability of upper extremity strength tester is increased.
It should be understood that mobile terminal can also be mobile phone.
It should be understood that mobile terminal can also be laptop.
It should be understood that can also be connect by conducting wire with electromagnetic damper by the way that control circuit is arranged and control input electricity
The size of magnetic damper voltage, to control the size that electromagnetic damper exports damping torque, the input terminal of CPU and control circuit
The size of voltage in conducting wire connection and adjusting control circuit, as long as controlling electromagnetic damper by CPU exports the big of damping torque
Small, the damping torque for making to act in shaft is adjustable.
Embodiment two:
As shown in figure 4, the difference between this embodiment and the first embodiment lies in, buffer board is installed on force section.
Force section 11 includes moving lever 111 and the handle 112 set on 111 upper end of moving lever, and moving lever 111 is that can transmit work
With the torque on handle 112, the curved bar that makes shaft 12 rotate therewith.Handle 112 can facilitate tester to hold to fortune
Lever 111 exerts a force, and buffer board 113 is equipped on moving lever 111, and the fitted body of buffer board 113 and tester plays slow
The effect of punching avoids tester injured during the test, increases the safety of upper extremity strength tester.
Force section 11 further includes connector sleeve 114 and anchor ear 115, and connector sleeve 114 is fixed on moving lever 111, buffer board 113
It is mounted on connector sleeve 114 by anchor ear 115, makes to relatively rotate between anchor ear 115 and moving lever 111, it is slow to adjust
The angle of punching 113, the body for the tester that can preferably coincide, ensures the realization of pooling feature, tester is avoided to survey
It is injured during examination, further increase the safety of upper extremity strength tester.
In addition to above preferred embodiment, the utility model also has other embodiments, and those skilled in the art can root
It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, the utility model should all be belonged to
Range defined in appended claims.
Claims (10)
1. a kind of upper extremity strength tester, including pedestal, pedestal is equipped with the two upper limb driving devices driven for arm, upper limb
Driving device includes that force section, the shaft being connect with force section and the damping unit being arranged on pedestal, damping unit include
Damper, damper connect with rotating shaft transmission and export damping torque, which is characterized in that the upper extremity strength tester further includes
Torque sensor in shaft, speed measuring device and CPU on damper and for detecting damper axle center rotating speed,
CPU is electrically connected with damping unit and controls the damping torque of damper output, and CPU is electrically connected with torque sensor and obtains effect
Torque in shaft, CPU are electrically connected with speed measuring device and obtain the rotating speed in damper axle center, and CPU processing acts in shaft
Torque and damper axle center rotating speed with obtain acting under different damping torque active force and shaft in shaft turn
Speed.
2. upper extremity strength tester according to claim 1, which is characterized in that the speed measuring device includes Hall sensor
And on the axle center of damper and with the magnet ring that damper rotates synchronously, Hall sensor acquires the rotational frequency letter of magnet ring
Number, CPU is electrically connected with Hall sensor and the rotational frequency signal by handling magnet ring obtains the rotating speed in damper axle center.
3. upper extremity strength tester according to claim 2, which is characterized in that the speed measuring device further include shaft coupling and
Magnet ring connector, magnet ring are set on magnet ring connector, and magnet ring connector is set to by coupler sleeve on the axle center of damper.
4. upper extremity strength tester according to claim 2, which is characterized in that the damping unit further includes outer housing,
Outer housing includes upper cover plate, and speed measuring device further includes wiring board and circuit board mount, and circuit board mount is set to the upper end of upper cover plate,
Hall sensor is set to by wiring board on circuit board mount.
5. upper extremity strength tester according to claim 1, which is characterized in that the damping unit further includes control electricity
Road, damper are electromagnetic damper, and CPU is electrically connected the size of electric current on simultaneously adjusting control circuit with the input terminal of control circuit,
The output end of control circuit is electrically connected with electromagnetic damper and controls the size of input electromagnetic damper electric current;Alternatively, the resistance
Buddhist nun's device further includes control circuit, and damper is electromagnetic damper, and CPU is electrically connected with the input terminal of control circuit and adjusting control
The output end of the size of voltage on circuit, control circuit is electrically connected with electromagnetic damper and controls input electromagnetic damper voltage
Size.
6. upper extremity strength tester according to claim 1, which is characterized in that the CPU is by way of wireless telecommunications
Connect mobile terminal.
7. upper extremity strength tester according to claim 1, which is characterized in that the damping unit further includes that torque transmits
Mechanism, input terminal and the damper of torque-transmitting mechanisms are sequentially connected, and the output end of torque-transmitting mechanisms is connect with rotating shaft transmission.
8. upper extremity strength tester according to claim 7, which is characterized in that one end of the torque sensor and shaft
It is sequentially connected, the other end of torque sensor and the output end of torque-transmitting mechanisms are sequentially connected.
9. upper extremity strength tester according to claim 1, which is characterized in that the force section includes moving lever and is set to
The handle of moving lever upper end, moving lever are equipped with buffer board.
10. upper extremity strength tester according to claim 9, which is characterized in that the force section further include connector sleeve and
Anchor ear, connector sleeve are set on moving lever, and buffer board is set to by anchor ear on connector sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720764379.2U CN207996210U (en) | 2017-06-28 | 2017-06-28 | A kind of upper extremity strength tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720764379.2U CN207996210U (en) | 2017-06-28 | 2017-06-28 | A kind of upper extremity strength tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207996210U true CN207996210U (en) | 2018-10-23 |
Family
ID=63836120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720764379.2U Active CN207996210U (en) | 2017-06-28 | 2017-06-28 | A kind of upper extremity strength tester |
Country Status (1)
| Country | Link |
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| CN (1) | CN207996210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107334483A (en) * | 2017-06-28 | 2017-11-10 | 浙江捷昌线性驱动科技股份有限公司 | A kind of upper extremity strength tester |
-
2017
- 2017-06-28 CN CN201720764379.2U patent/CN207996210U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107334483A (en) * | 2017-06-28 | 2017-11-10 | 浙江捷昌线性驱动科技股份有限公司 | A kind of upper extremity strength tester |
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