CN203914866U - A kind of pupil measurement device - Google Patents
A kind of pupil measurement device Download PDFInfo
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- CN203914866U CN203914866U CN201420318200.7U CN201420318200U CN203914866U CN 203914866 U CN203914866 U CN 203914866U CN 201420318200 U CN201420318200 U CN 201420318200U CN 203914866 U CN203914866 U CN 203914866U
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- measurement device
- pupil
- pupil measurement
- convex lens
- graduated tile
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a kind of pupil measurement device, this pupil measurement device comprises a hollow rod-shaped scaffold, and described support front end uncovered, middle part are provided with a convex lens, described back-end support sealing, and this sealing surface is the transparent scale plate of an even thickness.Medical personnel are in the time measuring patient's pupil, and directly graduated tile reading numerical values is compared in reference, thereby measures fast, accurately patient's pupil size, reduces error, and simple to operate.
Description
Technical field
This utility model relates to medical care articles for use field, relates in particular to a kind of pupil measurement device that can fast, accurately measure patient's pupil diameter.
Background technology
In the patients such as the inside and outside section of nerve and emergency treatment, most disturbance of consciousnesss with in various degree.It is to observe the important indicator that disturbance of consciousness conditions of patients changes that pupil changes, if pupil is put bradykinesia or disappearance to light, and the common and comatose patient of this kind of situation; Patient is along with the forfeiture degree of realizing increases the weight of, and pupil also can fall apart greatly gradually.Medical personnel are by the observation of pupil is found rapidly to change of illness state, for the life of saving patient plays an important role.
And now clinically, adopt direct-vision method more or directly measure with ruler.But the shortcoming that this kind of method faces is: because the size diameter of normal person's pupil when quiet is substantially between 2～5mm, this is smaller numerical value.If direct-vision method or measure with ruler, may make the pupil size that records inaccurate, there is error.Especially, while measurement with ruler, because numerical value is less, reading more slowly and directly perceived not.If changing appears in patient's vital sign, the state of an illness, and can not find in time, can not treat in time and rescue.
Therefore, be badly in need of that exploitation is a kind of can not only fast but also accurately read the pupil measurement device of patient's pupil diameter data.
Utility model content
For prior art above shortcomings, the problem that this utility model solves is: a kind of measuring device that can accurately measure fast patient's pupil diameter is provided.
A kind of pupil measurement device, described pupil measurement device comprises the support of a hollow setting, and described mid-stent is provided with a convex lens, and described back-end support is provided with an even thickness and transparent graduated tile.
Preferably, described support is cylindric or round table-like.
Preferably, be marked with the limbus line of some different-diameters on described graduated tile, all limbus lines are to arrange with one heart.
Preferably, directly over each the limbus line outside on described graduated tile, mark has the corresponding graduation mark numerical value of pupil to be measured.
Preferably, described graduated tile is provided with eight limbus lines, and graduation mark numerical value is followed successively by 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm from inside to outside.
Preferably, described pupil measurement device front end is less than single times of focal length of described convex lens to the distance between described convex lens.
Preferably, the center of circle of the limbus line of described graduated tile is positioned at the dead astern of described convex lens photocentre.
Compared with prior art, the utlity model has following advantage:
1, this utility model coordinates limbus plate can measure fast and accurately the diameter of patient's through hole by convex lens, reduce error, find in time the variation of patient's vital sign, the state of an illness, even and the treatment providing and rescue;
2, this utility model special messenger is special, avoids cross-reference, reduces the danger that nosocomial infection occurs.
Brief description of the drawings
For the technical scheme in this utility model embodiment is more clearly described, to the accompanying drawing of required use in embodiment be introduced simply below, apparently, the accompanying drawing the following describes is only some embodiment that record in this utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the overall structure schematic diagram of this utility model pupil measurement device.
Wherein:
1, support; 2, convex lens; 3, graduated tile;
4, limbus line.
Detailed description of the invention
To be clearly and completely described the technical solution of the utility model by detailed description of the invention below.Obviously, described embodiment is only this utility model part embodiment, instead of whole embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of this utility model protection.
This utility model, for deficiency of the prior art, provides a kind of pupil diameter measuring device of the accurate number of degrees fast.
Please refer to shown in Fig. 1, above-mentioned pupil measurement device comprises a hollow shaft-like support 1, this support 1 front end uncovered, and back-end closure, middle part is provided with a convex lens 2.The sealing surface of this support 1 rear end is an even thickness and transparent graduated tile 3.This graduated tile 3 is equivalent to eyepiece.
As shown in Figure 1, on above-mentioned graduated tile 3, be marked with the limbus line 4 of some different-diameters, and all limbus lines 4 form one group of concentric circular, the shared same center of circle.Preferably, above-mentioned graduated tile 3 is provided with eight limbus lines 4, directly over each limbus line outside, mark has the corresponding graduation mark numerical value of pupil to be measured, article eight, limbus line 4 is followed successively by 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm from inside to outside, conventionally the diameter of human body pupil can not be less than 1mm or be greater than 8mm, therefore, range is set as 1～8mm by this pupil measurement device.And the diameter of actual above-mentioned each limbus line 4 is according to the focal length of the convex lens 2 in this pupil measurement device, obtain through calculating conversion.
As shown in Figure 1, the center of circle of the limbus line of above-mentioned graduated tile is positioned at the dead astern of described convex lens photocentre, to ensure the accuracy of the number of degrees.
Above-mentioned these numerical value are all labeled near limbus line 4, and the inner side of graduation mark 4 or outside all can mark, and preferably all scale numerical value are all labeled in to unification one side of graduation mark 4, prevent misreading of numerical value.This utility model embodiment is preferably labeled in scale numerical value directly over the outside of limbus line 4, also can in other positions.
Convex lens 2 in above-mentioned pupil measurement device, these convex lens 2 centers should be less than single times of focal length of this convex lens 2 to the distance of this pupil measurement device front end.Thereby, by this convex lens 2, can observe at above-mentioned transparent scale plate 3 places upright, a to amplify virtual image.
When medical personnel are in the time measuring patient's through hole, the front end of this utility model pupil measurement device can be placed on to patient's ocular surface, pupil is after convex lens 2 amplifies, imaging on transparent scale plate 3, because graduated tile is made up of the concentric circular of different-diameter, medical personnel can directly read with reference to the numerical value on contrast graduated tile, thereby measure quickly and accurately patient's hole size, reduce error, and simple to operate.But in the time measuring to different patients, answer special messenger special, avoid cross-reference, reduce the danger that nosocomial infection occurs.
Compared with prior art, the utlity model has following advantage:
1, this utility model coordinates limbus plate can measure fast and accurately the diameter of patient's through hole by convex lens, reduce error, find in time the variation of patient's vital sign, the state of an illness, even and the treatment providing and rescue;
2, this utility model special messenger is special, avoids cross-reference, reduces the danger that nosocomial infection occurs.
To those skilled in the art, obviously this utility model is not limited to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present utility model or basic feature, can realize this utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in this utility model.Any Reference numeral in claim should be considered as limiting related claim.
In addition, be to be understood that, although this description is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should make description as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (7)
1. a pupil measurement device, is characterized in that: described pupil measurement device comprises the support of a hollow setting, and described mid-stent is provided with a convex lens, and described back-end support is provided with an even thickness and transparent graduated tile.
2. pupil measurement device according to claim 1, is characterized in that: described support is cylindric or round table-like.
3. pupil measurement device according to claim 2, is characterized in that: on described graduated tile, be marked with the limbus line of some different-diameters, all limbus lines are to arrange with one heart.
4. pupil measurement device according to claim 3, is characterized in that: directly over each the limbus line outside on described graduated tile, mark has the corresponding graduation mark numerical value of pupil to be measured.
5. pupil measurement device according to claim 4, is characterized in that: described graduated tile is provided with eight limbus lines, and graduation mark numerical value is followed successively by 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm from inside to outside.
6. pupil measurement device according to claim 1, is characterized in that: described pupil measurement device front end is less than single times of focal length of described convex lens to the distance between described convex lens.
7. pupil measurement device according to claim 1, is characterized in that: the center of circle of the round wire of described graduated tile is positioned at the dead astern of described convex lens photocentre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318200.7U CN203914866U (en) | 2014-06-13 | 2014-06-13 | A kind of pupil measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318200.7U CN203914866U (en) | 2014-06-13 | 2014-06-13 | A kind of pupil measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203914866U true CN203914866U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420318200.7U Expired - Fee Related CN203914866U (en) | 2014-06-13 | 2014-06-13 | A kind of pupil measurement device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203914866U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107007249A (en) * | 2017-06-04 | 2017-08-04 | 大竹县人民医院 | A kind of pupil viewer |
| CN107049230A (en) * | 2017-06-02 | 2017-08-18 | 珠海通桥医疗科技有限公司 | Pupil measuring device and transmissive member |
| US10182755B2 (en) | 2017-01-06 | 2019-01-22 | Jacques Ohayon | Pupil distortion measurement and psychiatric diagnosis method |
-
2014
- 2014-06-13 CN CN201420318200.7U patent/CN203914866U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10182755B2 (en) | 2017-01-06 | 2019-01-22 | Jacques Ohayon | Pupil distortion measurement and psychiatric diagnosis method |
| CN107049230A (en) * | 2017-06-02 | 2017-08-18 | 珠海通桥医疗科技有限公司 | Pupil measuring device and transmissive member |
| CN107007249A (en) * | 2017-06-04 | 2017-08-04 | 大竹县人民医院 | A kind of pupil viewer |
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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: 20141105 Termination date: 20170613 |
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| CF01 | Termination of patent right due to non-payment of annual fee |