CN209153623U - A kind of contact applanation tonometer device - Google Patents
A kind of contact applanation tonometer device Download PDFInfo
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- CN209153623U CN209153623U CN201821867696.8U CN201821867696U CN209153623U CN 209153623 U CN209153623 U CN 209153623U CN 201821867696 U CN201821867696 U CN 201821867696U CN 209153623 U CN209153623 U CN 209153623U
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- pressure column
- conductive contact
- pair
- contact blade
- mobile phone
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Abstract
The utility model relates to a kind of contact applanation tonometer devices, the pressure column assembly including Mobile phone holders and below Mobile phone holders；Pressure column assembly includes press column protection cylinder and the transparent pressure column being set in protection cylinder that floats; the inner wall of cylinder is protected to be equipped with a pair of fixed conductive contact blade; the predetermined position of pressure column is equipped with a movement conductive contact blade, when pressure column drives movement conductive contact blade to move luck moving conductive contact for disconnecting or being connected a pair of fixed conductive contact blade；It further include control unit of taking pictures, control unit of taking pictures is associated with a pair of fixed conductive contact blade, issues photographing instruction to mobile phone when control unit of taking pictures is suitable for on-off variation occur between the fixed conductive contact blade of a pair.Tonometer in the utility model be combined with each other with smart phone, and after measured's eyeball is driven plain, when sensor is triggered, mobile phone is taken pictures automatically.
Description
Technical field
The utility model relates to tonometry devices, and in particular to a kind of contact applanation tonometer device.
Background technique
Intraocular pressure test equipment be divided into contact with it is contactless.
In existing product, contact tonometer contradicts eyeball using elastic device tool, so that elastic device based on mechanical
Tool mechanical deformation is to read its pressure, and price is low, precision is high, but operation difficulty is big and non-digitalization；Non-contact tonometer one
As deformation is allowed to instantaneous pressure-air impact eyeball, its deformation degree is measured to speculate eyeball pressure by optical instrument,
Its process is increasingly automated, but price is high and precision is relatively low.Both lacked skilled practitioners operation for middle hospital, lower layer mechanically to connect
Touching tonometer lacks the demand that funds purchase non-contact tonometer again, and proper product there is no to plug a gap.
Utility model content
Technical problem to be solved by the utility model is: proposing that a kind of measurement accuracy is high, easy to operate and low in cost
Convenient for the contact applanation tonometer device of popularization.
The technical solution that the utility model proposes to solve above-mentioned technical problem is: a kind of contact applanation tonometer dress
It sets, the pressure column assembly including Mobile phone holders and below the Mobile phone holders；
The position shooting hole opposite with smart phone camera position is offered on the Mobile phone holders；
The pressure column assembly includes press column protection cylinder and the transparent pressure column being set in the protection cylinder that floats, institute
The bottom end for stating pressure column is stretched out from the protection cylinder bottom, and the top of the pressure column is opposite with the shooting hole site, described
The inner wall of cylinder is protected to be equipped with a pair of fixed conductive contact blade, the predetermined position of the pressure column is equipped with the conductive touching of a movement
Piece, when the pressure column drives movement conductive contact blade movement, the movement conductive contact blade is for disconnecting or being connected described one
To fixed conductive contact blade；
It further include control unit of taking pictures, the control unit of taking pictures is associated with the pair of fixed conductive contact blade, the bat
Photographing instruction is issued to mobile phone when being suitable for on-off variation occur between the pair of fixed conductive contact blade according to control unit.
Further, further include for be connected to the Mobile phone holders and it is described pressure column protection cylinder between connection box,
Offer position and the opposite light hole in the shooting hole on the connection box, it is convex at the connection cassette bottom portion below the light hole
It rises and is formed with collar flange, one group of focus lens, the shooting hole, light hole, focus lens are provided in the collar flange
It is located on same axis with the pressure column.
Further, it at least three is provided in pressure column protection cylinder encloses arch and be connected to the pressure column circumferential direction cylinder
On idler wheel, the idler wheel by turning rolls be affixed to it is described pressure column protect cylinder middle part inner wall on.
Further, a light compensating lamp is also connected with by flexible lamp neck on the outer wall of the pressure column protection cylinder.
Further, the first external screw thread, the top of the pressure column protection cylinder are formed on the outer cylinder of the collar flange
It is formed with the second external screw thread on outer wall, further includes the connection sleeve that the collar flange and pressure column protection cylinder link together,
The internal screw thread with first external screw thread, the second external thread bolt connection respectively is formed on the both ends inner wall of the connection sleeve.
Further, it is extend horizontally away a pair of of cushion cap at the nearly top inner wall of the pressure column protection cylinder, it is the pair of solid
Determine conductive contact blade to be separately positioned at the pair of cushion cap upper surface, the movement conductive contact blade is close to be solidly set on the pressure column
On top end outer wall and ring shaped conductive contact that edge extends horizontally outward, the movement conductive contact blade, which can be carried on a shoulder pole, is put into described one
To on fixed conductive contact blade and the pair of fixed conductive contact blade being connected.
Further, the control unit of taking pictures includes handset earphone line traffic control module and signal wire, and the one of the signal wire
End is connected to the handset earphone line traffic control module for being connected to the earpiece holes other end of mobile phone；
The handset earphone line traffic control module relation is to the pair of fixed conductive contact blade, for the pair of fixed conductive
Production, which is taken pictures, when the on off operating mode of contact changes controls signal.
Further, the control unit of taking pictures includes bluetooth SOC chip, and the bluetooth SOC chip is associated with described one
To fixed conductive contact blade, the bluetooth SOC chip is for being wirelessly connected to mobile phone and in the pair of fixed conductive contact blade
On off operating mode when changing production take pictures and control signal and be transferred to mobile phone.
Further, the pressure column protection cylinder is made of two half-shell pairings.
The beneficial effects of the utility model are:
Tonometer in the utility model be combined with each other with smart phone, and after measured's eyeball is driven plain, sensor is touched
It sends out (open circuit), mobile phone is taken pictures automatically.Since the external force of oppression eyeball at this time is the press gravity of column, and oppression eyeball area
Domain annular ring (in it be pressure column and eyeball be in close contact, its it is outer be press column and eyeball not in contact with) can be distinguished by image
Know and in the eyeball that calculates its internal area, thus the external force pressure for being oppressed region can be extrapolated, that is, balanced therewith
Pressure.Be conducive to be uploaded to backstage progress analysis of image data calculating by the photo that mobile phone is taken or utilize the tool of mobile phone itself
Some computing capabilitys calculate pressure ball pressure, without manually being calculated, being analyzed and being recorded.It is accurate under the premise of being not necessarily to adjustment
It is directed at measured's eyes and smart phone camera center.
In addition, shell uses open-piece type in structure, it is easy to disassemble, and can make after installing again without adjustment again
With；Inside inlays idler wheel and reduces friction, improves pressure accuracy and pressure column is kept to remain in correct position.Focusing is saturating
Mirror can be separately installed, and the distance of lens to mobile lens has certainty.
Meanwhile contact applanation tonometer device production cost is low in the utility model, is conducive to middle lower layer's therapeutic machine
Structure and research unit promote.
Detailed description of the invention
The contact applanation tonometer device of the utility model is described further with reference to the accompanying drawing.
Fig. 1 is structural schematic diagram of the contact applanation tonometer device under just strabismus visual angle in the utility model；
Fig. 2 is structural schematic diagram of the contact applanation tonometer device under rear strabismus visual angle in the utility model；
Fig. 3 is the structural schematic diagram of contact applanation tonometer bottom of device in the utility model；
Fig. 4 is the top view of contact applanation tonometer device in the utility model；
Fig. 5 is the B-B direction structure cut-away view of contact applanation tonometer device in Fig. 4；
Fig. 6 is knot of the contact applanation tonometer device after hiding pressure column protection cylinder side half-shell in the utility model
Structure schematic diagram；
Fig. 7 is the bottom view of contact applanation tonometer device in Fig. 6；
Fig. 8 is the C-C of contact applanation tonometer device in Fig. 7 to cut-away view；
Fig. 9 is the side view of pressure column protection cylinder in Fig. 6；
Figure 10 is that pressure column protects the A-A of cylinder to cut-away view in Fig. 9.
Specific embodiment
According to Fig. 1, the contact applanation tonometer device in the utility model, including Mobile phone holders 1 and be set to hand
The pressure column assembly 2 of 1 lower section of machine bracket.
Wherein, the position shooting hole 101 opposite with smart phone camera position is offered on Mobile phone holders 1.Press column
Component 2 includes pressure column protection cylinder 201 and the transparent pressure column 202 being set in protection cylinder 201 that floats, the bottom for the column 202 that presses
End is stretched out from protection 201 bottom of cylinder.
The top of pressure column 202 is opposite with shooting 101 position of hole, and the inner wall of protection cylinder 201 is fixed conductive equipped with a pair
The predetermined position of contact 203, pressure column 202 is equipped with a movement conductive contact blade 204, when pressure column 202 drives movement conductive
Contact 204 moves luck moving conductive contact 204 for disconnecting or being connected a pair of fixed conductive contact blade 203.Make in the present embodiment
For preferably: extending horizontally away a pair of of cushion cap 205 at the nearly top inner wall that pressure column protects cylinder 201, a pair is fixed conductive
Contact 203 is separately positioned at a pair of of 205 upper surface of cushion cap, and movement conductive contact blade 204 is to be solidly set on pressure 202 proximal portion of column
On outer wall and ring shaped conductive contact that edge extends horizontally outward, movement conductive contact blade 204 can carry on a shoulder pole is put into it is a pair of fixed conductive
On contact 203 and a pair of fixed conductive contact blade 203 is connected.Using being the advantages of preferred embodiment in the present embodiment: in pressure column
When 202 movement on the basis of control on-off, also further carrys out support by the combination of the fixed conductive contact blade 203 of cushion cap 205- and apply
Compression leg 202 is in order to avoid it is unlimitedly moved downward.Certainly fixed conductive contact blade 203, which also can be set into, is fitted in protection cylinder 201
Inner wall on, move the diameter further expansion of conductive contact blade 204 until the fixation conductive contact blade 203 etc. can be touched.
It is steady to keep pressure column 202 to run, and further reduce and (avoided with the frictional force of protection 201 side wall of cylinder
Influence test result), it can be used as in the present embodiment preferably: being provided with three in the pressure protection cylinder 201 of column 202 and enclose arch
The idler wheel 206 being connected on the circumferential cylinder of pressure column 202, idler wheel 206 are affixed to protection cylinder 201 by turning rolls 207
On the inner wall of middle part, with the needs of different situations, the quantity of idler wheel 206 can also carry out adaptation modification.Certainly, equally for this mesh
, the fixation inner ring that idler wheel 206 can also be substituted for U-shaped support frame made of steel wire or be nested on pressure column 202.
For the ease of combining drug to further facilitate the deformed region of identification eyeball, can be used as in the present embodiment excellent
Choosing: a light compensating lamp 209, light compensating lamp are also connected with by flexible lamp neck 208 on the outer wall of pressure column protection cylinder 201
209 are powered using button cell, while the slide switch of control illumination open and close is provided on light compensating lamp 209.
It further include control unit of taking pictures, control unit of taking pictures is associated with a pair of fixed conductive contact blade 203, control unit of taking pictures
Photographing instruction is issued to mobile phone when suitable for on-off variation occur between the fixed conductive contact blade 203 of a pair.
In the present embodiment provide two kinds of control units of taking pictures, one kind take pictures control unit include handset earphone line traffic control module and
Signal wire, the earpiece holes other end that one end of signal wire is used to be connected to mobile phone are connected to handset earphone line traffic control module, mobile phone ear
Machine line traffic control module relation is to the fixed conductive contact blade 203 of a pair, for becoming in the on off operating mode of a pair of fixed conductive contact blade 203
Production, which is taken pictures, when change controls signal.Handset earphone line traffic control module is existing mature modules, has in fields such as self-shooting bars and largely answers
With repeating no more.Another kind control unit of taking pictures includes bluetooth SOC chip, and bluetooth SOC chip is associated with a pair of fixed conductive touching
Piece 203, bluetooth SOC chip are used to be wirelessly connected to mobile phone and for occurring in the on off operating mode of a pair of fixed conductive contact blade 203
Production, which is taken pictures, when variation controls signal and is transferred to mobile phone, equally also there is the scheme taken pictures using Bluetooth control in self-shooting bar field.
It in the present embodiment can also include for being connected to Mobile phone holders 1 and pressure column 202 to improve shooting effect
The connection box 3 between cylinder 201 is protected, connects and offers the position light hole 301 opposite with hole 101 is shot, light hole on box 3
Collar flange 302 has been convexed to form at 3 bottom of connection box of 301 lower sections, one group of focus lens is provided in collar flange 302
303, shooting hole 101, light hole 301, focus lens 303 and pressure column 202 are located on same axis.To advanced optimize knot
Structure improves stable connection degree and is capable of the distance of the opposite pressure column 202 of micro regulating focusing lens 303, can be used as preferably: ring
It is formed with the first external screw thread 304 on the outer cylinder of shape flange 302, is formed with the second outer spiral shell in the external wall of upper portion of pressure column protection cylinder 201
Line 210 further includes the connection sleeve 4 that collar flange 302 and pressure column protection cylinder 201 link together, connects the two of sleeve 4
The internal screw thread being spirally connected respectively with the first external screw thread 304, the second external screw thread 210 is formed on the inner wall of end.
For further easy disassembly and maintenance, can be used as preferably: pressure column protection cylinder 201 is by two half-shells
Pairing is constituted.
Application method
1, mobile phone is fixed on and is placed on Mobile phone holders 1, guarantee that mobile phone is in stable state, and specialized camera is opened；
2, detection fluorescence eyedrops is instilled in measured's eye, 202 bottom end of pressure column of tonometer is placed in measured
Right above eyes, the light compensating lamp 209 being fixed on tonometer is opened, being radiated at drop has in the eye of fluorescent liquid；
3, column 202 will be pressed slowly close to eyes, by the weight oppression eyeball for the column 202 itself that presses, due to tonometer
Interior design has idler wheel 206, is greatly reduced pressure column 202 and protects the phase mutual friction between cylinder 201, effectively raises
Detect the accuracy of numerical value；
4, when pressure column 202 is raised and separates movement conductive contact blade 204 with fixed conductive contact blade 203 and makes its open circuit
When, the smart phone on bracket will take the data picture (deformed region) when eyeball flattens by focus lens 303；
5, the diagnosis explanation of measured's intraocular pressure can be finally provided by the analysis of corresponding software or cell phone application.Software meter
The basic principle for calculating pressure is: it is known to be pressed in epibulbar pressure as pressure 202 gravity of column, and the image that can be obtained by photograph
Data fluorescent liquid edge extent is calculated to be accumulated by pressure surface, can extrapolate eyeball internal pressure (pressure on unit area).
The utility model is not limited to the above embodiment, the technical solution of above-mentioned each embodiment of the utility model that
This can form new technical solution with combined crosswise, and in addition all technical solutions formed using equivalent replacement, are all fallen within practical
In the protection scope of novel requirement.
Claims (9)
1. a kind of contact applanation tonometer device, it is characterised in that: including Mobile phone holders and be set to below the Mobile phone holders
Pressure column assembly；
The position shooting hole opposite with smart phone camera position is offered on the Mobile phone holders；
The pressure column assembly includes pressure column protection cylinder and floating is set to the transparent pressure column protected in cylinder, described to apply
The bottom end of compression leg is stretched out from the protection cylinder bottom, and the top of the pressure column is opposite with the shooting hole site, the protection
The inner wall of cylinder is equipped with a pair of fixed conductive contact blade, and the predetermined position of the pressure column is equipped with a movement conductive contact blade, when
The movement conductive contact blade is the pair of solid for disconnecting or being connected when the pressure column drives movement conductive contact blade movement
Determine conductive contact blade；
It further include control unit of taking pictures, the control unit of taking pictures is associated with the pair of fixed conductive contact blade, the control of taking pictures
Photographing instruction is issued to mobile phone when unit processed is suitable for on-off variation occur between the pair of fixed conductive contact blade.
2. contact applanation tonometer device according to claim 1, it is characterised in that: further include for being connected to the hand
Machine bracket and the pressure column protect the connection box between cylinder, and it is opposite with the shooting hole to offer position on the connection box
Light hole has convexed to form collar flange at the connection cassette bottom portion below the light hole, has been provided with one in the collar flange
Group focus lens, the shooting hole, light hole, focus lens and the pressure column are located on same axis.
3. contact applanation tonometer device according to claim 1, it is characterised in that: setting in the pressure column protection cylinder
There are at least three to enclose the idler wheel that arch is connected on the pressure column circumferential direction cylinder, the idler wheel is affixed to institute by turning rolls
On the middle part inner wall for stating pressure column protection cylinder.
4. contact applanation tonometer device according to claim 1, it is characterised in that: the outer wall of the pressure column protection cylinder
On a light compensating lamp is also connected with by flexible lamp neck.
5. contact applanation tonometer device according to claim 2, it is characterised in that: on the outer cylinder of the collar flange
It is formed with the first external screw thread, the second external screw thread is formed in the external wall of upper portion of the pressure column protection cylinder, further includes that the ring-type is convex
Edge and the connection sleeve that links together of pressure column protection cylinder are formed on the both ends inner wall of the connection sleeve respectively with described the
The internal screw thread of one external screw thread, the second external thread bolt connection.
6. contact applanation tonometer device according to claim 1, it is characterised in that: the nearly top of the pressure column protection cylinder
It is extend horizontally away a pair of of cushion cap at the inner wall of end, the pair of fixed conductive contact blade is separately positioned on the pair of cushion cap upper surface
Place, the movement conductive contact blade are to be solidly set on the pressure column proximal portion outer wall and the annular that extends horizontally outward of edge is led
Electric contact point, the movement conductive contact blade, which can be carried on a shoulder pole, is put on the pair of fixed conductive contact blade and is connected the pair of fixed conduction
Contact.
7. contact applanation tonometer device according to claim 1, it is characterised in that: the control unit of taking pictures includes hand
Machine earphone line control module and signal wire, the earpiece holes other end that one end of the signal wire is used to be connected to mobile phone are connected to described
Handset earphone line traffic control module；
The handset earphone line traffic control module relation is to the pair of fixed conductive contact blade, in the pair of fixed conductive contact blade
On off operating mode when changing production take pictures and control signal.
8. contact applanation tonometer device according to claim 1, it is characterised in that: the control unit of taking pictures includes indigo plant
Tooth SOC chip, the bluetooth SOC chip are associated with the pair of fixed conductive contact blade, and the bluetooth SOC chip is for wirelessly connecting
It is connected to mobile phone and controls signal transmission for producing to take pictures when the on off operating mode of the pair of fixed conductive contact blade changes
To mobile phone.
9. contact applanation tonometer device according to claim 1, it is characterised in that: the pressure column protection cylinder is by two
Half-shell pairing is constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821867696.8U CN209153623U (en) | 2018-11-13 | 2018-11-13 | A kind of contact applanation tonometer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821867696.8U CN209153623U (en) | 2018-11-13 | 2018-11-13 | A kind of contact applanation tonometer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209153623U true CN209153623U (en) | 2019-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821867696.8U Active CN209153623U (en) | 2018-11-13 | 2018-11-13 | A kind of contact applanation tonometer device |
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| Country | Link |
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| CN (1) | CN209153623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11298017B2 (en) * | 2019-06-27 | 2022-04-12 | Bao Tran | Medical analysis system |
-
2018
- 2018-11-13 CN CN201821867696.8U patent/CN209153623U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11298017B2 (en) * | 2019-06-27 | 2022-04-12 | Bao Tran | Medical analysis system |
| US20220248955A1 (en) * | 2019-06-27 | 2022-08-11 | Bao Tran | Metaverse system |
| US11779213B2 (en) * | 2019-06-27 | 2023-10-10 | Bao Tran | Metaverse system |
| US20230404398A1 (en) * | 2019-06-27 | 2023-12-21 | Bao Tran | Eye system |
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