CN204287007U - In vitro cornea mechanical property parameters pick-up unit - Google Patents
In vitro cornea mechanical property parameters pick-up unit Download PDFInfo
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- CN204287007U CN204287007U CN201420804608.5U CN201420804608U CN204287007U CN 204287007 U CN204287007 U CN 204287007U CN 201420804608 U CN201420804608 U CN 201420804608U CN 204287007 U CN204287007 U CN 204287007U
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- plate
- location
- range sensor
- cornea
- high speed
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- 210000004087 cornea Anatomy 0.000 title claims abstract description 45
- 238000000338 in vitro Methods 0.000 title claims abstract description 16
- 238000010030 laminating Methods 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 15
- 210000003128 head Anatomy 0.000 claims description 12
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000930 thermomechanical effect Effects 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 3
- 201000002287 Keratoconus Diseases 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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Abstract
The utility model provides a kind of in vitro cornea mechanical property parameters pick-up unit, comprise mounting platform, mounting platform is provided with cornea fixed mechanism, deformation quantity collecting mechanism, deformation driving mechanism, deformation quantity collecting mechanism comprises range sensor and at least two high speed cameras, and high speed camera is provided with rotary drive mechanism; Range sensor location-plate and mounting platform are slidably connected, and location-plate is also provided with angle adjusting mechanism; Cornea fixed mechanism comprises accommodating cabin and clamping device, and clamping device comprises laminating panel, some clamping units and driver element.The beneficial effects of the utility model: range sensor and high speed camera are set, thermomechanical processing collection is more accurate; Deformation quantity collecting mechanism quantity and position arrangement rationally, are convenient to post-processed; The distance in the relatively accommodating cabin of range sensor can arbitrarily regulate, the height adjustable of range sensor, to guarantee to aim at center, accommodating cabin; High speed camera adjustable angle, improves accuracy of detection.
Description
Technical field
The utility model relates to medical auxiliary equipment field, specifically refers to a kind of in vitro cornea mechanical property parameters pick-up unit.
Background technology
Keratoconus is clinical comparatively common ophthalmology disease, can produce highly irregular myopic astigmatism and inpairment of vision in various degree, and the incidence of disease of American-European countries is 0.01% ~ 0.05%, and Japan is 0.07% ~ 0.08%, but China still lacks epidemiologic data.As important Biological Attribute of Industrial, its biological mechanical property directly can affect cornea contours, and then affects refractive status and the quality of optical imaging of cornea.Research shows that the generation development of keratoconus and the regional biomechanical property of cornea change closely related, how below cornea temporo, lower thickness to occur, pathological change that mechanical property dies down, and under pressure effect, outside bulge expands the generation causing illness within the eye.The biomechanical property of cornea tissue often uses constitutional parameter to be quantitatively described, and its measurement result domain of walker is comparatively large, relies on platform closely related with experiment.Isolated cornea swell platform has continued the ellipsoid profile of cornea substantially, maintains the structural intergrity of cornea, maintains its physiology force way, is comparatively close to a kind of measuring method of cornea physiological status.But existing isolated cornea swell platform still exists, and measured zone is little cannot provide total corneal biomechanical property area difference allochoric shortcoming.
Application number be 201310597129.0 application for a patent for invention disclose a kind of measuring table of isolated cornea biomechanical property parameter, it comprises mounting platform, corneal fixture, pressure apparatus, capture apparatus etc., this measuring table has the following disadvantages: (1) capture apparatus is positioned at corneal fixture front end, need to carry out 3 D deformation measurement, cause image data Processing Algorithm complicated; (2) shooting angle is unadjustable, increases detection difficulty further; (3) size of corneal fixture is fixed, and can not regulate according to cornea shape, and the adaptability of chucking device to different cornea is poor, adds uncontrollable cornea deformation.
Summary of the invention
The utility model, for the problems referred to above of prior art, provides the in vitro cornea mechanical property parameters pick-up unit that a kind of parameter controllability is high, adaptability is good.
Above-mentioned utility model object of the present utility model is realized by following scheme:
In vitro cornea mechanical property parameters pick-up unit, comprise mounting platform, mounting platform is provided with cornea fixed mechanism, deformation quantity collecting mechanism, deformation driving mechanism, deformation quantity collecting mechanism comprises range sensor and at least two high speed cameras, mounting platform is vertically installed with installation frame, and each high speed camera to be distributed on installation frame and to be respectively arranged with rotary drive mechanism; Range sensor is fixedly mounted on a location-plate, and location-plate is slidably connected by sliding track mechanism and mounting platform, and location-plate is also provided with and slides driving mechanism, and the connecting portion of location-plate and range sensor is also provided with angle adjusting mechanism; The central part of installation frame institute region arranges fixed head, cornea fixed mechanism comprises the accommodating cabin be arranged on fixed head and the clamping device be arranged in accommodating cabin, and clamping device comprises for the laminating panel of cornea side surface contact, for being that tapering is pushed fixing some clamping units and is used for the driver element that drives clamping unit to gather/expand by cornea to panel of fitting.
Further, installation frame comprises two vertical bars one and connects crosspiece, high speed camera number is 6, one group is arranged on two vertical bars by 3 camera location-plates and is connected on crosspiece between two, camera location-plate has two support plates and to connecting bottom board recessed between two support plates, support plate is connected by vertical rebound with connecting bottom board, and connecting bottom board is connected with installation frame bolt, and two support plates are that angle shifts to install; High speed camera has locating shaft, and locating shaft is rotatably located on support plate, and the rotary drive mechanism of high speed camera comprises stepper motor, and stepper motor output shaft is coaxially connected with high speed camera locating shaft.
Further, accommodating cabin comprises the tubular seat and the cover plate that be fixedly connected with removable with tubular seat that integrally extend from fixed head, and tubular seat comprises three sections of rectangular slabs and three sections arranged in 120 ° of angles between two for connecting the rebound of two adjacent rectangular slabs; 3 camera location-plates also arrange in 120 ° of angles three summits forming equilateral triangle between two, camera location-plate enclose the central point of equilateral triangle and the point coincides of accommodating cabin tubular seat.
Further, bottom the location-plate of range sensor, slide track seat is set, mounting platform is fixedly installed one section of straight slide rail, slide rail is vertical with location-plate to be arranged and slide rail horizontal center line and the vertical center line of location-plate, accommodating cabin horizontal center line, the vertical center line of fixed head are positioned at same perpendicular; Slide track seat bottom location-plate is sleeved on slide rail, and slide rail longitudinal section is I-shaped, and both sides waist is that circular arc is recessed, and slide rail rear and front end all arranges stop screw.
Further, the driving mechanism that slides of range sensor location-plate comprises stepper motor, drives screw mandrel and swivel nut in being fixedly connected with location-plate, stepper motor is fixedly connected on mounting platform, drive screw mandrel to be coaxially fixedly connected with stepper motor output shaft, interior swivel nut is positioned at the side of location-plate and is sleeved on driving screw mandrel.
Further, the angle adjusting mechanism of range sensor comprises bottom plate, the upper mobile board hinged with bottom plate one end, be with the adjuster bar of elastic reset member, and adjuster bar is located in the interior and lower end of upper mobile board and contacts with bottom plate; Bottom plate is fixedly connected with range sensor location-plate, and range sensor is fixedly connected with upper mobile board.
Further, bottom plate has a pair connection hangers, and upper mobile board has the locating piece inserting and be arranged on and connect region folded by hangers, and the connection hangers of bottom plate and the locating piece of upper mobile board have through hole, wear bearing pin in through hole.
Further, the elastic reset member of adjuster bar is spring, and adjuster bar has external thread, and the through hole that upper mobile board is corresponding has internal thread, and adjuster bar upper end connects adjustment motor.
Further, the laminating panel of clamping device has the central fovea district in segment-shaped, the consistent annular arrangement of each clamping unit shape and have the projection being combined to form segment shape; Laminating panel has tubular edge, and the inwall at tubular edge is in the taper type shunk to central fovea district, and each clamping unit stretches into and the edge contacted with laminating panel taper type tubular edge has the tapering with laminating panel taper type tubular edge adaptation.
The beneficial effects of the utility model are: arrange range sensor and high speed camera, and thermomechanical processing collection is more accurate; Deformation quantity collecting mechanism quantity and position arrangement rationally, are convenient to post-processed; The distance in the relatively accommodating cabin of range sensor can arbitrarily regulate, the height adjustable of range sensor, to guarantee to aim at center, accommodating cabin; High speed camera adjustable angle, improves accuracy of detection; Clamping device specification is adjustable, and adaptability is good.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model agent structure.
Fig. 2 is the right view of the utility model agent structure.
Fig. 3 is the stereographic map of the utility model agent structure.
Fig. 4 is the structural representation of the utility model clamping device and the combination of deformation driving mechanism.
Fig. 5 is A portion enlarged drawing in Fig. 2.
Embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail:
Shown in accompanying drawing 1 to Fig. 5, in vitro cornea mechanical property parameters pick-up unit of the present utility model, comprise mounting platform 1, mounting platform 1 is provided with cornea fixed mechanism, deformation quantity collecting mechanism, deformation driving mechanism, deformation quantity collecting mechanism comprises range sensor and at least two high speed cameras, mounting platform 1 is vertically installed with installation frame 2, each high speed camera to be distributed on installation frame and to be respectively arranged with rotary drive mechanism; Range sensor is fixedly mounted on a location-plate 3, and location-plate 3 is slidably connected by sliding track mechanism and mounting platform 1, and location-plate 3 is also provided with and slides driving mechanism, and location-plate 3 is also provided with angle adjusting mechanism with the connecting portion of range sensor; The central part of installation frame 2 regions arranges fixed head 4, cornea fixed mechanism entirety is transparent material, cornea fixed mechanism comprises the accommodating cabin 5 be arranged on fixed head and the clamping device be arranged in accommodating cabin, and clamping device comprises for the laminating panel 6 of cornea side surface contact, for being that tapering is pushed fixing some clamping units 7 and is used for the driver element that drives clamping unit to gather/expand by cornea to panel of fitting.
Installation frame 2 comprises two vertical bars one and connects crosspiece, high speed camera number is 6, one group is arranged on two vertical bars by 3 camera location-plates 13 and is connected on crosspiece between two, camera location-plate 13 has two support plates and to connecting bottom board recessed between two support plates, support plate is connected by vertical rebound with connecting bottom board, connecting bottom board is connected with installation frame bolt, and two support plates are that angle shifts to install; High speed camera has locating shaft, and locating shaft is rotatably located on support plate, and the rotary drive mechanism of high speed camera comprises stepper motor, and stepper motor output shaft is coaxially connected with high speed camera locating shaft.
Accommodating cabin 5 comprises the tubular seat 5A and the cover plate that be fixedly connected with removable with tubular seat that integrally extend from fixed head, and tubular seat comprises three sections of rectangular slabs and three sections arranged in 120 ° of angles between two for connecting the rebound of two adjacent rectangular slabs; 3 camera location-plates also arrange in 120 ° of angles three summits forming equilateral triangle between two, camera location-plate enclose the central point of equilateral triangle and the point coincides of accommodating cabin tubular seat.
With reference to Fig. 3, bottom the location-plate 3 of range sensor, slide track seat 3A is set, mounting platform 1 is fixedly installed one section of straight slide rail 1A, slide rail 1A is vertical with location-plate to be arranged and slide rail horizontal center line and the vertical center line of location-plate, accommodating cabin horizontal center line, the vertical center line of fixed head are positioned at same perpendicular; Slide track seat 3A bottom location-plate is sleeved on slide rail 1A, and slide rail 1A longitudinal section is I-shaped, and both sides waist is that circular arc is recessed, and slide rail 1A rear and front end all arranges stop screw.
The driving mechanism that slides of range sensor location-plate 3 comprises stepper motor, drives screw mandrel and swivel nut in being fixedly connected with location-plate, stepper motor is fixedly connected on mounting platform, drive screw mandrel to be coaxially fixedly connected with stepper motor output shaft, interior swivel nut is positioned at the side of location-plate and is sleeved on driving screw mandrel.
In the present embodiment, the angle adjusting mechanism of range sensor comprises bottom plate 14, the upper mobile board 15 hinged with bottom plate one end, be with the adjuster bar 16 of elastic reset member, and adjuster bar 16 is located in the interior and lower end of upper mobile board and contacts with bottom plate; Bottom plate 14 is fixedly connected with range sensor location-plate 3, and range sensor is fixedly connected with upper mobile board 15.
Bottom plate 14 has a pair connection hangers, and upper mobile board 15 has the locating piece inserting and be arranged on and connect region folded by hangers, and the connection hangers of bottom plate 14 and the locating piece of upper mobile board 15 have through hole, wear bearing pin in through hole.
The elastic reset member of adjuster bar 16 is spring 17, and adjuster bar 16 has external thread, and the through hole of upper mobile board 15 correspondence has internal thread, and adjuster bar 16 upper end connects adjustment motor 18.
With reference to shown in Fig. 4, the laminating panel 6 of clamping device has the central fovea district in segment-shaped, the consistent annular arrangement of each clamping unit 7 shape and have the projection being combined to form segment shape; Laminating panel 6 has tubular edge 6A, and the inwall at tubular edge is in the taper type shunk to central fovea district, and each clamping unit 7 stretches into and the edge contacted with laminating panel taper type tubular edge has the tapering with laminating panel taper type tubular edge adaptation.
Although the utility model has illustrated by reference to preferred embodiment and has described, but those of ordinary skill in the art should understand, the description of above-described embodiment can be not limited to, in the scope of claims, the various changes in form and details can be made.
Claims (9)
1. in vitro cornea mechanical property parameters pick-up unit, comprise mounting platform, mounting platform is provided with cornea fixed mechanism, deformation quantity collecting mechanism, deformation driving mechanism, it is characterized in that: deformation quantity collecting mechanism comprises range sensor and at least two high speed cameras, mounting platform is vertically installed with installation frame, and each high speed camera to be distributed on installation frame and to be respectively arranged with rotary drive mechanism; Range sensor is fixedly mounted on a location-plate, and location-plate is slidably connected by sliding track mechanism and mounting platform, and location-plate is also provided with and slides driving mechanism, and the connecting portion of location-plate and range sensor is also provided with angle adjusting mechanism; The central part of installation frame institute region arranges fixed head, cornea fixed mechanism comprises the accommodating cabin be arranged on fixed head and the clamping device be arranged in accommodating cabin, and clamping device comprises for the laminating panel of cornea side surface contact, for being that tapering is pushed fixing some clamping units and is used for the driver element that drives clamping unit to gather/expand by cornea to panel of fitting.
2. in vitro cornea mechanical property parameters pick-up unit according to claim 1, it is characterized in that: installation frame comprises two vertical bars one and connects crosspiece, high speed camera number is 6, one group is arranged on two vertical bars by 3 camera location-plates and is connected on crosspiece between two, camera location-plate has two support plates and to connecting bottom board recessed between two support plates, support plate is connected by vertical rebound with connecting bottom board, connecting bottom board is connected with installation frame bolt, and two support plates are that angle shifts to install; High speed camera has locating shaft, and locating shaft is rotatably located on support plate, and the rotary drive mechanism of high speed camera comprises stepper motor, and stepper motor output shaft is coaxially connected with high speed camera locating shaft.
3. in vitro cornea mechanical property parameters pick-up unit according to claim 2, it is characterized in that: accommodating cabin comprises the tubular seat and the cover plate that be fixedly connected with removable with tubular seat that integrally extend from fixed head, tubular seat comprises three sections of rectangular slabs and three sections arranged in 120 ° of angles between two for connecting the rebound of two adjacent rectangular slabs; 3 camera location-plates also arrange in 120 ° of angles three summits forming equilateral triangle between two, camera location-plate enclose the central point of equilateral triangle and the point coincides of accommodating cabin tubular seat.
4. in vitro cornea mechanical property parameters pick-up unit according to claim 1, it is characterized in that: bottom the location-plate of range sensor, slide track seat is set, mounting platform is fixedly installed one section of straight slide rail, slide rail is vertical with location-plate to be arranged and slide rail horizontal center line and the vertical center line of location-plate, accommodating cabin horizontal center line, the vertical center line of fixed head are positioned at same perpendicular; Slide track seat bottom location-plate is sleeved on slide rail, and slide rail longitudinal section is I-shaped, and both sides waist is that circular arc is recessed, and slide rail rear and front end all arranges stop screw.
5. in vitro cornea mechanical property parameters pick-up unit according to claim 4, it is characterized in that: the driving mechanism that slides of range sensor location-plate comprises stepper motor, drives screw mandrel and swivel nut in being fixedly connected with location-plate, stepper motor is fixedly connected on mounting platform, drive screw mandrel to be coaxially fixedly connected with stepper motor output shaft, interior swivel nut is positioned at the side of location-plate and is sleeved on driving screw mandrel.
6. in vitro cornea mechanical property parameters pick-up unit according to claim 1, it is characterized in that: the angle adjusting mechanism of range sensor comprises bottom plate, the upper mobile board hinged with bottom plate one end, be with the adjuster bar of elastic reset member, adjuster bar is located in the interior and lower end of upper mobile board and contacts with bottom plate; Bottom plate is fixedly connected with range sensor location-plate, and range sensor is fixedly connected with upper mobile board.
7. in vitro cornea mechanical property parameters pick-up unit according to claim 6, it is characterized in that: bottom plate has a pair connection hangers, upper mobile board has the locating piece inserting and be arranged on and connect region folded by hangers, the connection hangers of bottom plate and the locating piece of upper mobile board have through hole, wear bearing pin in through hole.
8. in vitro cornea mechanical property parameters pick-up unit according to claim 7, it is characterized in that: the elastic reset member of adjuster bar is spring, adjuster bar has external thread, and the through hole that upper mobile board is corresponding has internal thread, and adjuster bar upper end connects adjustment motor.
9. in vitro cornea mechanical property parameters pick-up unit according to claim 1, it is characterized in that: the laminating panel of clamping device has the central fovea district in segment-shaped, the consistent annular arrangement of each clamping unit shape and there is the projection being combined to form segment shape; Laminating panel has tubular edge, and the inwall at tubular edge is in the taper type shunk to central fovea district, and each clamping unit stretches into and the edge contacted with laminating panel taper type tubular edge has the tapering with laminating panel taper type tubular edge adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420804608.5U CN204287007U (en) | 2014-12-17 | 2014-12-17 | In vitro cornea mechanical property parameters pick-up unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420804608.5U CN204287007U (en) | 2014-12-17 | 2014-12-17 | In vitro cornea mechanical property parameters pick-up unit |
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| Publication Number | Publication Date |
|---|---|
| CN204287007U true CN204287007U (en) | 2015-04-22 |
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|---|---|---|---|
| CN201420804608.5U Expired - Fee Related CN204287007U (en) | 2014-12-17 | 2014-12-17 | In vitro cornea mechanical property parameters pick-up unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466932A (en) * | 2015-12-25 | 2016-04-06 | 深圳艾尼尔角膜工程有限公司 | Automatic detection system and method for cornea |
| CN104502269B (en) * | 2014-12-17 | 2017-01-11 | 温州职业技术学院 | Mechanical property parameter detection device of in-vitro cornea |
-
2014
- 2014-12-17 CN CN201420804608.5U patent/CN204287007U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502269B (en) * | 2014-12-17 | 2017-01-11 | 温州职业技术学院 | Mechanical property parameter detection device of in-vitro cornea |
| CN105466932A (en) * | 2015-12-25 | 2016-04-06 | 深圳艾尼尔角膜工程有限公司 | Automatic detection system and method for cornea |
| CN105466932B (en) * | 2015-12-25 | 2018-04-20 | 深圳艾尼尔角膜工程有限公司 | A kind of cornea automatic checkout system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20151217 |
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| EXPY | Termination of patent right or utility model |