CN206836865U - Medical eyeball tractive force clinical trial device - Google Patents
Medical eyeball tractive force clinical trial device Download PDFInfo
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- CN206836865U CN206836865U CN201720040473.3U CN201720040473U CN206836865U CN 206836865 U CN206836865 U CN 206836865U CN 201720040473 U CN201720040473 U CN 201720040473U CN 206836865 U CN206836865 U CN 206836865U
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- shaft wheel
- driven shaft
- power transmission
- transmission shaft
- wheel
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Abstract
It the utility model is related to medical eyeball tractive force clinical trial device, it is characterised in that the device includes display handle, operating head and chuck, and display handle bottom is connected through a screw thread with operating head top, and chuck top is connected with operating head bottom；The operating head includes adjusting knob, positioning screw rod and shell；The shell is conical hollow structure, and regulation through hole is provided with shell, and shell upper is connected with display handle lower thread；In the opening position installation and adjustment knob of regulation through hole, adjusting knob is each attached to the inside of shell with positioning leading screw；Driving shaft wheel, left driven shaft wheel, right driven shaft wheel and power transmission shaft wheel are installed in the adjusting knob；The hole corresponding with left driven shaft wheel, right driven shaft wheel and power transmission shaft wheel is provided with the end face of adjusting knob；The power transmission shaft wheel is located at the centre of driving shaft wheel, concentric with driving shaft wheel；Centered on power transmission shaft wheel, be symmetrically arranged left driven shaft wheel and right driven shaft wheel.
Description
Technical field
The utility model is related to a kind of medical eyeball tractive force clinical trial device and its application method, the device can pass through
Distraction test measures the extraocular muscle meat pulling force of those who are investigated, can be used for assessing whether detected person suffers from the nauseating numbness of extraocular muscle,
The data that correction for strabismus simultaneously provides correlation are supported.
Background technology
Distraction test is the important detection methods for detecting extraocular muscle strength, while the detection can be provided for assessing and be detected
Whether survey person suffers from the nauseating numbness of extraocular muscle.Distraction test includes two kinds, is active distraction test and passive distraction test respectively, leads
Dynamic distraction test is to clamp corneoscleral junction tissue using tweezers, makes detected person rotate eyeball to a direction, and tester passes through
Feel that the convergent force of extraocular muscle assesses the tension force of extraocular muscle；Passive distraction test is to clamp corneoscleral junction tissue using tweezers,
Make those who are investigated as far as possible not in the state of active rotation eyeball (or general anesthesia) again, examiner using tweezers draw eyeball to certain
One direction is moved, and resistance when passing through sensorimotor is so as to assessing the influence of restrictive factor.Usual normal person's active convergent force
Size is 1000mN or so, and passive traction force magnitude range is 600mN~1000mN, if when active convergent force is less than 150mN just
Suspection suffers from the nauseating numbness of extraocular muscle.
Pulling test is clinical important, conventional detection methods, and currently used is typical ophthalmic Medical forceps (ginseng
See Fig. 1), it can not be quantified carrying out pulling test presence, excessively felt by examiner and experience etc. lacks with this Medical forceps
Point so that the accuracy of inspection result substantially reduces.
Utility model content
The problem of being faced for current clinical detection, the technical problem that the utility model intends to solve are to provide a kind of doctor
With eyeball tractive force clinical trial device and its application method.The device is using traditional ophthalmology Medical forceps as support, small volume, just
In carrying, overall structure is simple and convenient to operate,, can be according to test-strips using axle wheel as driving and clamping structure in operating process
Part opening and closing chuck, and stabilization is accommodated, measurement result is shown in the form of digital display, simple easily to read, and reliability is high, energy
Enough measure the exact value of the extraocular muscle pulling force of detected person；The device can be applied to the detection of extraocular muscle pulling force, to assess quilt
Whether the correction with the nauseating numbness of extraocular muscle and strabismus provides data support to tester.
The utility model solves the technical scheme that the technical problem uses：It is clinical to provide a kind of medical eyeball tractive force
Test device, it is characterised in that the device includes display handle, operating head and chuck, and display handle bottom passes through spiral shell with operating head top
Line is connected, and chuck top is connected with operating head bottom；
The operating head includes adjusting knob, positioning screw rod and shell；The shell is conical hollow structure, on shell
Regulation through hole is provided with, shell upper is connected with display handle lower thread；In the opening position installation and adjustment knob of regulation through hole, regulation
Knob and positioning leading screw are each attached to the inside of shell；Be provided with the adjusting knob driving shaft wheel, left driven shaft wheel, it is right from
Moving axis wheel and power transmission shaft wheel；It is provided with the end face of adjusting knob corresponding with left driven shaft wheel, right driven shaft wheel and power transmission shaft wheel
Hole；The power transmission shaft wheel is located at the centre of driving shaft wheel, concentric with driving shaft wheel；Centered on power transmission shaft wheel, left and right
Left driven shaft wheel and right driven shaft wheel are arranged symmetrically, the center of circle of left driven shaft wheel, right driven shaft wheel and power transmission shaft wheel is positioned at same
On straight line；Driving shaft wheel is meshed with left driven shaft wheel and right driven shaft wheel, left driven shaft wheel and right driven shaft wheel again simultaneously with
Power transmission shaft wheel is meshed；
The left driven shaft wheel includes inner ring, outer ring, ball and fixed mount；Tooth, the inner side of outer ring are provided with the outside of outer ring
It is connected with inner ring by ball, ball is fixed between inner ring and outer ring by fixed mount；The center of the inner ring, which is provided with, to be tilted
Through hole, the angle of the inclined via-hole and the central axis of power transmission shaft wheel is 3-10 °；The right driven shaft wheel and left driven shaft wheel
Structure is identical；
The positioning screw rod is hollow screw, and top is provided with fixing groove, and the bottom of positioning screw rod is inserted in power transmission shaft wheel
In heart hole, positioning screw rod is connected through a screw thread with power transmission shaft wheel, and ensures fixing groove that is coaxial, and passing through top with power transmission shaft wheel
It is fixed in the shell of operating head；
The chuck includes shape and structure identical or so two parts, and the top of each part is cylindric, is inserted into a left side
In the inclined via-hole of driven shaft wheel or right driven shaft wheel, bottom is the chuck tip of flat, upper and lower part and operating head
Shell three is fixedly connected by locating pin through corresponding positioning hole；Ess-strain posts in corner in chuck tip
Piece；
The display handle is provided with display screen, switch and reset key, is internally provided with resistance full-bridge circuit in display handle, puts
Big device, A/D converter, single-chip microcomputer and power module；The single-chip microcomputer connects with display screen, reset key, switch respectively, and resistance is complete
Bridge circuit is connected with ess-strain piece, then is connected by the input of amplifier, A/D converter and single-chip microcomputer；Power module is
Whole device is powered.
The application method of above-mentioned medical eyeball tractive force clinical trial device is as follows the step of this method：
1) chuck of device is carried out disinfection with medicinal alcohol；
2) device for opening switchs, and after screen registration to be shown is stable, clicks reset key；
3) detected person's corneoscleral junction tissue is clamped with chuck, and corneoscleral junction group is clamped by rotation of adjustment knob
Knit, to ensure to come off from chuck in traction hour angle corneoscleral limbus tissue；
4) ensure to clamp and after display screen registration stabilization, click reset key；
5) eyeball of mobile device or detected person, it must assure that moving direction perpendicular to ess-strain piece in moving process
Surface, with deformation of the deformation of proof stress foil gauge caused by normal pressure；
6) after screen registration to be shown is stable, registration size is read, and keep a record；
7) rotation of adjustment knob, chuck is opened；
8) step 1), step 3), step 4), step 5), step 6), step 7) are repeated in 3~4 times, are repeated several times and survey
The average registration obtained after amount is the muscle tractive force size of tester.
Compared with prior art, the beneficial effects of the utility model are：
Using existing Clinical Ophthalmology Medical forceps to rely on, 1. small volume and light can preferably be met the utility model device
Clinical practice is closed, is easy to promote；The opening and closing of chuck are controlled by driving shaft wheel, driven shaft wheel and power transmission shaft wheel, kept away
The problem of registration is unstable caused by stress is unstable when having exempted to be clutched with hand, it can be easier to obtain more accurate value of thrust；From
Inclined via-hole in moving axis wheel (left driven shaft wheel and right driven shaft wheel), to be inclined, for the top of fixed chuck, by from
Moving axis wheel is moved up and down to control the opening and closing of chuck, is overcome and is lacked using clamping force during fixed card buckle is single
Point, it is more convenient accurate.
2. using single-chip microcomputer as control centre in the display handle of the utility model device, single-chip microcomputer is the microcomputer of erasable formula
Calculation machine, in addition to digital voltage can be converted into power and show on a display screen, it can also be fixed on the pin of single-chip microcomputer
Measured data are sent to terminal device by wireless connection module, are easy to post-processing by corresponding wireless connection module,
The treatment of assessment and strabismus for ballet's disease provides the support of analyticity data.
3. the utility model device detects the deformation of chuck using ess-strain piece, chuck produces deformation and causes stress should
Become piece and produce deformation, so that the resistance of ess-strain piece produces change, the size of resistance change can be by resistance full-bridge
Electric circuit inspection is arrived, and resistance variations can be converted into analog voltage change, and analog voltage is sent to after amplifier amplifies
Analog voltage can be converted into digital voltage by A/D converter, A/D converter, and the digital voltage after conversion can be by monolithic machine examination
Measure, and the digital voltage detected can be converted into power, so as to which indirect, accurate, quantitative detects that extraocular muscle is drawn
The size of power.
4. the utility model application method can directly obtain the concrete numerical value of tractive force, accurate, quantitative, precision is high, energy
It is enough to provide accurate data support for clinic.
Brief description of the drawings
Fig. 1 is current clinical medical ophthalmology tweezers；
Fig. 2 is a kind of medical structural representation of embodiment of eyeball tractive force clinical trial device of the utility model；
Fig. 3 is the partial enlargement structural representation of I in Fig. 2；
Fig. 4 is that operating head internal structure is shown in a kind of embodiment of the medical eyeball tractive force clinical trial device of the utility model
It is intended to；
Fig. 5 is that a kind of adjusting knob 2-1 of embodiment of the medical eyeball tractive force clinical trial device of the utility model is three-dimensional
Structural representation；
Fig. 6 is a kind of adjusting knob internal structure of embodiment of the medical eyeball tractive force clinical trial device of the utility model
Figure；
Fig. 7 is a kind of left driven shaft wheel 2-1-2 of embodiment of the medical eyeball tractive force clinical trial device of the utility model
Half section structure diagram；
Fig. 8 is a kind of internal structure of display handle 1 of embodiment of the medical eyeball tractive force clinical trial device of the utility model
Connect block diagram；
1. display handles, 1-1. display screens, 1-2. switches, 1-3. reset keys, 1-4.USB power interfaces, 1-5. resistance in figure
Full-bridge circuit, 1-6. amplifiers, 1-7.A/D converters, 1-8. single-chip microcomputers, 1-9. bluetooth modules；2. operating head, 2-1. regulation rotation
Button, 2-1-1 driving shafts wheel, the left driven shaft wheels of 2-1-2., 2-1-2-1. inner rings, 2-1-2-2. outer rings, 2-1-2-3. balls, 2-1-
2-4. fixed mounts, 2-1-3. power transmission shafts wheel, the right driven shaft wheels of 2-1-4., 2-2. positioning screw rods, 2-2-1. fixing grooves, outside 2-3.
Shell；3. chuck, 3-1. ess-strains piece, 3-2 positioning holes, 3-3, locating pin；Terminal device 4.
Embodiment
The utility model is further discussed below with reference to embodiment and accompanying drawing, but is not wanted in this, as to the application right
Ask the restriction of protection domain.
The medical eyeball tractive force clinical trial device of the utility model (hereinafter referred to as device, referring to Fig. 2-Fig. 8) includes aobvious
Show handle 1, operating head 2 and chuck 3, the display bottom of handle 1 is connected through a screw thread with the top of operating head 2, the top of chuck 3 and operating head 2
Bottom connects；
The operating head 2 (referring to Fig. 2 and Fig. 4) includes adjusting knob 2-1, positioning screw rod 2-2 and shell 2-3；It is described outer
Shell 2-3 is conical hollow structure, and regulation through hole is provided with shell, and shell upper is connected with the display lower thread of handle 1；Adjusting
The opening position installation and adjustment knob 2-1 of through hole, adjusting knob 2-1 is used for the opening and closing for adjusting chuck, by rotating regulation,
When adjusting knob 2-1 is moved up, chuck closure, chuck is opened when moving down, and adjusting knob 2-1 and positioning leading screw 2-2 are equal
It is fixed on shell 2-3 inside；Driving shaft wheel 2-1-1, left driven shaft wheel are installed in the adjusting knob 2-1 (referring to Fig. 6)
2-1-2, right driven shaft wheel 2-1-4 and power transmission shaft wheel 2-1-3；It is provided with adjusting knob 2-1 end face and left driven shaft wheel 2-1-
2nd, right driven shaft wheel 2-1-4 and power transmission shaft wheel 2-1-3 corresponding hole (referring to Fig. 5)；The power transmission shaft wheel 2-1-3 is positioned at actively
Axle wheel 2-1-1 centre, it is concentric with driving shaft wheel 2-1-1；Centered on power transmission shaft wheel 2-1-3, be symmetrically arranged a left side
Driven shaft wheel 2-1-2 and right driven shaft wheel 2-1-4, left driven shaft wheel 2-1-2, right driven shaft wheel 2-1-4 and power transmission shaft wheel 2-1-3
The center of circle be located along the same line；Driving shaft wheel 2-1-1 is meshed with left driven shaft wheel 2-1-2 and right driven shaft wheel 2-1-4, left
Driven shaft wheel 2-1-2 and right driven shaft wheel 2-1-4 is meshed with power transmission shaft wheel 2-1-3 simultaneously again；
The left driven shaft wheel 2-1-2 (referring to Fig. 7) include inner ring 2-1-2-1, outer ring 2-1-2-2, ball 2-1-2-3 and
Fixed mount 2-1-2-4；Outer ring 2-1-2-2 outsides are provided with tooth, and outer ring 2-1-2-2 inner side and inner ring 2-1-2-1 pass through ball
2-1-2-3 connections, ball 2-1-2-3 are fixed between inner ring and outer ring by fixed mount 2-1-2-4；The inner ring 2-1-2-1
Center be provided with inclined via-hole, the angle of the inclined via-hole and power transmission shaft wheel 2-1-3 central axis is 3-10 °, in driving shaft
Left driven shaft wheel 2-1-2 is rotated in the presence of wheel 2-1-1, during adjusting knob 2-1 rotates, inner ring 2-1-2-1
Diametrically remain stationary as, moved axially only along chuck 3；The right driven shaft wheel 2-1-4 and left driven shaft wheel 2-1-2 knot
Structure is identical, and its difference is right driven shaft wheel 2-1-4 and left driven shaft wheel 2-1-2 when mounted, right driven shaft wheel 2-1-4
Inner ring inclined via-hole angle of inclination and left driven shaft wheel 2-1-2 inner ring inclined via-hole angle of inclination on the contrary, and with biography
The angle of moving axis wheel 2-1-3 central axis is 3-10 °；
The positioning screw rod 2-2 (referring to Fig. 4) is hollow screw, and top is provided with fixing groove 2-2-1, positioning screw rod 2-2's
In bottom insertion power transmission shaft wheel 2-1-3 centre bore, positioning screw rod 2-2 is connected through a screw thread with power transmission shaft wheel, and and power transmission shaft
Wheel ensures coaxially, and is fixed on by the fixing groove on top in the shell 2-3 of operating head；
The fixing groove 2-2-1 on the positioning screw rod 2-2 tops is used to fix whole positioning screw rod 2-2, prevents adjusting knob
2-1 positioning screw rod 2-2 during rotation rotate together, while positioning screw rod 2-2 also carries for moving up and down for adjusting knob
For corresponding track；Positioning screw rod 2-2 is hollow structure, and connection is extended there through with data wire, while also data wire is served
Protective effect；
The chuck 3 (referring to Fig. 3 and Fig. 4) includes shape and structure identical or so two parts, the top of each part
It is cylindric, it is inserted into left driven shaft wheel 2-1-2 or right driven shaft wheels 2-1-4 inclined via-hole, bottom is the chuck of flat
Tip, substructure shape is identical with conventional Medical forceps tip shapes, is easy to clamp corneoscleral junction tissue, upper and lower part and
The shell three of operating head 2 is fixedly connected by locating pin 3-3 through corresponding positioning hole 3-2, the positioning hole 3-2 master
It is used for the axially position of chuck 3, is connected chuck 3 and operating head 2 by locating pin 3-3, while also ensures that chuck 3 is being opened
With will not be moved up and down during closure along device is axial；Ess-strain piece 3-1 posts in corner in chuck tip,
The ess-strain piece 3-1 is mainly used in gathered data, when chuck 3 produces deformation in the presence of external force, ess-strain piece
3-1 will be detected, and the data detected are transferred out in the form of resistance；
Driving shaft wheel 2-1-1 is whole adjusting knob 2-1 main body, when there is external force to act on driving shaft wheel 2-1-1,
Driving shaft wheel 2-1-1 drives left driven shaft wheel 2-1-2 and right driven shaft wheel 2-1-4 rotations, passes through power transmission shaft wheel 2-1-3 work
With to ensure that left driven shaft wheel 2-1-2 and right driven shaft wheel 2-1-4 normally rotate；Power transmission shaft wheel 2-1-3 and positioning screw rod 2-2
It is connected through a screw thread, during power transmission shaft wheel 2-1-3 rotates, power transmission shaft wheel 2-1-3 can be along positioning screw rod 2-2 screw thread
Move up and down, and moving up and down for whole adjusting knob 2-1 is driven with this, the indirect opening and closing for controlling chuck 3；
The display handle 1 (referring to Fig. 2 and Fig. 8) is provided with display screen 1-1, switch 1-2 and reset key 1-3, in display handle
Resistance full-bridge circuit 1-5, amplifier 1-6, A/D converter 1-7, single-chip microcomputer 1-8 and power module is internally provided with (not paint in figure
Go out)；The single-chip microcomputer 1-8 is connected with display screen 1-1, reset key 1-2, switch 1-3 respectively, resistance full-bridge circuit 1-5 and stress
Foil gauge 3-1 connections, resistance full-bridge circuit 1-5 pass through amplifier 1-6, A/D converter 1-7 and single-chip microcomputer 1-8 input again
Connection；Power module is rechargeable battery, is powered for whole device.
The central shaft of the inclined via-hole of the present utility model being further characterized by the inner ring and power transmission shaft wheel 2-1-3
The angle of line is 5 °, is now easy to clamp corneoscleral junction tissue, and the small volume of chuck, use is more convenient.
It is each inside and outside the chuck tip corner of the present utility model being further characterized by each part of chuck 3
A piece of ess-strain piece is posted, chuck 3 shares four ess-strain pieces, stress benefit can be carried out between four ess-strain pieces
Fill, precision can further be improved, ess-strain piece, resistance full-bridge circuit, amplifier, A/D converter and single-chip microcomputer are excessively corresponding
Data wire connection, data wire cabling from positioning screw rod 2-2 hollow structure, overall appearance, and to circuit play protection make
With.
It is of the present utility model to be further characterized by being additionally provided with wireless connection module, wireless connection mould in the display handle 1
The input of block and the output end of single-chip microcomputer are connected, and the output end of wireless connection module is connected with terminal device.Here terminal
Equipment can be computer, smart mobile phone etc., convenient that patient's condition is built for the result of the test measured to be stored
Shelves；The wireless connection module can use the modes such as bluetooth, infrared, wifi to be attached.The single-chip microcomputer is erasable formula
Microcomputer, follow-up development process of being more convenient for.The display screen 1-1 is used to show final test result；When chuck 3
When being deformed under force, ess-strain piece 3-1 will be detected, ess-strain piece 3-1 detect deformation while
Deform, the resistance value of the ess-strain piece 3-1 after deformation can be changed, and the resistance value of change can be transmitted by data wire
To resistance full-bridge circuit 1-5, resistance full-bridge circuit 1-5 by the resistance variations detected and can be converted into analog voltage and become
Change, then send analog voltage to amplifier 1-6, analog voltage is after amplifier 1-6 amplifications, then sends A/D converter 1- to
After 7, A/D converter 1-7 receive the analog voltage after amplification, it is translated into digital voltage and is transferred to single-chip microcomputer 1-
8, digital voltage is converted into the size of power under single-chip microcomputer 1-8 program, is then shown in display screen 1-1, while will
Data are sent to terminal device by bluetooth module 1-9；USB power connector 1-4 is additionally provided with the display handle 1, for whole dress
Put charging.
The step of application method (abbreviation method) of the medical eyeball tractive force clinical trial device of the utility model, is as follows：
1) chuck of device is carried out disinfection with medicinal alcohol；
2) device for opening switchs, and after screen registration to be shown is stable, clicks reset key, clicks reset key after opening, be
In order to prevent data deviation, because ess-strain piece is very sensitive, chuck, which is slightly distorted, just has data variation；
3) detected person's corneoscleral junction tissue is clamped with chuck, and corneoscleral junction group is clamped by rotation of adjustment knob
Knit, to ensure to come off from chuck in traction hour angle corneoscleral limbus tissue；
4) ensure to clamp and after display screen registration stabilization, click reset key；The purpose for clicking reset key again herein is
In order to exclude the influence of caused deformation during clamping；
5) eyeball of mobile device or detected person, it must assure that moving direction perpendicular to ess-strain piece in moving process
Surface,
With deformation of the deformation of proof stress foil gauge caused by normal pressure；
6) after screen registration to be shown is stable, registration size is read, and keep a record；
7) rotation of adjustment knob, chuck is opened；
8) step 1), step 3), step 4), step 5), step 6), step 7) are repeated in 3~4 times, are repeated several times and survey
The average registration obtained after amount is the muscle tractive force size of tester；Herein be repeated several times measurement be in order to reduce it is extraneous because
Measurement error caused by element, for example, people in anxiety muscle can it is automatic shrink etc..
The utility model device primarily directed at present clinically can not accurate measurement extraocular muscle pulling force and design, the dress
Putting can be applicable for active distraction test and passive distraction test, specifically carry out active distraction test or passive drawing examination
Test, mainly together decided on by doctor and detected person, by the device primarily to the size of muscle tractive force is measured, with quilt
The state of survey person is not related, and test accuracy is high.When carrying out active distraction test, need to allow detected person's in step 5)
Eyeball moves, and when carrying out passive distraction test, needs to move in device in step 5), to begin in moving process
Ensure moving direction perpendicular to ess-strain piece surface eventually.When average registration is less than 150mN, you can judge that detected person suffers from
Muscular paralysis problem.When needing to carry out orthpia, testee's eyes or so two can be measured respectively in the manner described above
The size of the muscle pulling force on side, and then doctor's related data is supplied to, carry out orthpia.
Component involved by the utility model can be by commercially available.
The utility model does not address part and is applied to prior art.
Claims (5)
- A kind of 1. medical eyeball tractive force clinical trial device, it is characterised in that the device includes display handle, operating head and chuck, Display handle bottom is connected through a screw thread with operating head top, and chuck top is connected with operating head bottom；The operating head includes adjusting knob, positioning screw rod and shell；The shell is conical hollow structure, is provided with shell Through hole is adjusted, shell upper is connected with display handle lower thread；In the opening position installation and adjustment knob of regulation through hole, adjusting knob The inside of shell is each attached to positioning leading screw；Driving shaft wheel, left driven shaft wheel, right driven shaft are installed in the adjusting knob Wheel and power transmission shaft wheel；The hole corresponding with left driven shaft wheel, right driven shaft wheel and power transmission shaft wheel is provided with the end face of adjusting knob； The power transmission shaft wheel is located at the centre of driving shaft wheel, concentric with driving shaft wheel；Centered on power transmission shaft wheel, symmetrical cloth Left driven shaft wheel and right driven shaft wheel are put, the center of circle of left driven shaft wheel, right driven shaft wheel and power transmission shaft wheel is located along the same line； Driving shaft wheel is meshed with left driven shaft wheel and right driven shaft wheel, left driven shaft wheel and right driven shaft wheel again simultaneously with power transmission shaft wheel It is meshed；The left driven shaft wheel includes inner ring, outer ring, ball and fixed mount；Be provided with tooth on the outside of outer ring, the inner side of outer ring with it is interior Circle is connected by ball, and ball is fixed between inner ring and outer ring by fixed mount；The center of the inner ring is provided with inclined via-hole, The angle of the inclined via-hole and the central axis of power transmission shaft wheel is 3-10 °；The structure of the right driven shaft wheel and left driven shaft wheel It is identical；The positioning screw rod is hollow screw, and top is provided with fixing groove, the centre bore of the bottom insertion power transmission shaft wheel of positioning screw rod In, positioning screw rod is connected through a screw thread with power transmission shaft wheel, and coaxial with the guarantee of power transmission shaft wheel, and is fixed by the fixing groove on top In in the shell of operating head；The chuck includes shape and structure identical or so two parts, and the top of each part is cylindric, is inserted into left driven In the inclined via-hole of axle wheel or right driven shaft wheel, bottom is the shell of the chuck tip of flat, upper and lower part and operating head Three is fixedly connected by locating pin through corresponding positioning hole；Ess-strain piece posts in corner in chuck tip；The display handle is provided with display screen, switch and reset key, and resistance full-bridge circuit, amplification are internally provided with display handle Device, A/D converter, single-chip microcomputer and power module；The single-chip microcomputer connects with display screen, reset key, switch respectively, resistance full-bridge Circuit is connected with ess-strain piece, then is connected by the input of amplifier, A/D converter and single-chip microcomputer；Power module is whole Individual device power supply.
- 2. medical eyeball tractive force clinical trial device according to claim 1, it is characterised in that inclining on the inner ring The angle of oblique through hole and the central axis of power transmission shaft wheel is 5 °.
- 3. medical eyeball tractive force clinical trial device according to claim 1, it is characterised in that each part of chuck In chuck tip corner inside and outside respectively post a piece of ess-strain piece.
- 4. medical eyeball tractive force clinical trial device according to claim 1, it is characterised in that on the display handle also Provided with USB power connector, charged for whole device.
- 5. medical eyeball tractive force clinical trial device according to claim 1, it is characterised in that in the display handle also Provided with wireless connection module, the input of wireless connection module and the output end of single-chip microcomputer connect, the output of wireless connection module End is connected with terminal device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720040473.3U CN206836865U (en) | 2017-01-13 | 2017-01-13 | Medical eyeball tractive force clinical trial device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720040473.3U CN206836865U (en) | 2017-01-13 | 2017-01-13 | Medical eyeball tractive force clinical trial device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206836865U true CN206836865U (en) | 2018-01-05 |
Family
ID=60789847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720040473.3U Expired - Fee Related CN206836865U (en) | 2017-01-13 | 2017-01-13 | Medical eyeball tractive force clinical trial device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206836865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106725286A (en) * | 2017-01-13 | 2017-05-31 | 河北工业大学 | Medical eyeball tractive force clinical trial device and its application method |
-
2017
- 2017-01-13 CN CN201720040473.3U patent/CN206836865U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106725286A (en) * | 2017-01-13 | 2017-05-31 | 河北工业大学 | Medical eyeball tractive force clinical trial device and its application method |
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