CN209085563U - The visual angle measuring device of medical endoscope - Google Patents
The visual angle measuring device of medical endoscope Download PDFInfo
- Publication number
- CN209085563U CN209085563U CN201822172788.0U CN201822172788U CN209085563U CN 209085563 U CN209085563 U CN 209085563U CN 201822172788 U CN201822172788 U CN 201822172788U CN 209085563 U CN209085563 U CN 209085563U
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- warp
- weft
- turntable
- scale
- angle
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Abstract
The utility model relates to a kind of visual angle measuring devices of medical endoscope, the measuring device includes turntable support and target bracket, the inside of the turntable support or side wall are provided with the vertical angle turntable with vertical angle scale, the horizontal angle turntable with horizontal angle scale is provided at the top of vertical angle turntable, it is provided with the fixture for installing endoscope probe on horizontal angle turntable, crosshair before mirror is provided in front of endoscope probe;The target cradle top is provided with latitude and longitude target, and latitude and longitude target includes warp, weft, warp scale, weft scale, the mobile adjusting handle of warp and the mobile adjusting handle of weft.It can be suitably used for soft and rigid endoscope field angle, visual direction angular measurement using the utility model measuring device, latitude and longitude target and vertical angle turntable measuring basis each other can be used, verify the accuracy of angle, and measurement process is simple.
Description
Technical field
The utility model relates to endoscopic technique field, in particular to the visual angle measuring device of a kind of medical endoscope.
Background technique
Medical endoscope is a kind of clinically important diagnostic equipment, can enter human body by nature duct or surgical incision
Inside is observed, diagnosed or is treated.Field angle refers to the maximum magnitude that endoscope can be observed simultaneously, i.e., is located at vertex
The cone angle value of endoscope head end, unit degree of being.Before viewing directional angle refers to the geometrical axis and endoscope of endoscope insertion part cephalic par
The angle of end objective lens optical axis.The field angle and viewing directional angle of medical endoscope are two very important view parameters, they will
The location and range that object is observed when Medical Rigid Endoscope uses are directly influenced, therefore to the field angle and visual direction of endoscope
Angle, which carries out accurate measurement, to be particularly important.
Utility model content
The purpose of this utility model is to provide a kind of visual angle measuring devices of medical endoscope.
In order to realize that above-mentioned purpose of utility model, the utility model embodiment provide following technical scheme:
A kind of visual angle measuring device of medical endoscope, including turntable support and target bracket, the turntable support it is interior
Portion or side wall are provided with the vertical angle turntable with vertical angle scale, are provided with the water with horizontal angle scale at the top of vertical angle turntable
Straight angle turntable is provided with the fixture for installing endoscope probe on horizontal angle turntable, is provided with mirror in front of endoscope probe
Preceding crosshair;The target cradle top is provided with latitude and longitude target, and latitude and longitude target includes warp, weft, warp scale, latitude
Line scale, weft moving parts and warp moving parts, warp and weft are arranged in a mutually vertical manner, and weft moving parts is for adjusting
Weft is mobile, and weft scale is used to measure the moving distance of weft, and warp moving parts is for adjusting warp movement, warp scale
For measuring the moving distance of warp.
Compared with prior art, the utility model has the beneficial effects that can be suitably used for using the utility model measuring device soft
Property and rigid endoscope field angle, visual direction angular measurement, latitude and longitude target and vertical angle turntable measuring basis each other can be used, verification
The accuracy of angle, and the structure of measuring device is simple, and measurement method is simple.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the visual angle measuring device of medical endoscope provided by the embodiment of the utility model.
Fig. 2 is the structural schematic diagram of latitude and longitude target device in embodiment.
Description of symbols in figure
1 --- detection device pedestal;9 --- the mobile adjusting handle of weft;
2 --- turntable support;10 --- the mobile adjusting handle of warp;
3 --- vertical angle turntable;11 --- latitude and longitude target bracket;
4 --- endoscope probe;12 --- warp;
5 --- endoscope probe fixture;13 --- weft scale, unit (mm);
6 --- crosshair before mirror;14 --- weft;
7 --- horizontal angle turntable;15 --- warp scale, unit (mm).
8 --- latitude and longitude target;
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be come with a variety of different configurations
Arrangement and design.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below
The range of claimed invention, but it is merely representative of the selected embodiment of the utility model.Based on the utility model
Embodiment, those skilled in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
A kind of visual angle measuring device of medical endoscope, including pedestal 1, bottom are provided in the present embodiment referring to FIG. 1-2,
It is provided with turntable support 2 on seat 1, the inside of turntable support 2 or side wall are provided with the vertical angle turntable 3 with vertical angle scale, erect
The top of right angle turntable 3 is provided with the horizontal angle turntable 7 with horizontal angle scale.Horizontal angle turntable and vertical angle turntable can be used point
The photoelectric encoder or obliquity sensor that resolution is 0.1 °.Fixture 5 is provided on horizontal angle turntable 7, endoscope probe 4 is installed on
In fixture 5, the front of endoscope probe 4 is provided with crosshair 6 before mirror, and target bracket 11, target bracket are additionally provided on pedestal 1
11 tops are provided with latitude and longitude target 8, and latitude and longitude target 8 includes warp 12, weft 14, warp scale 15, weft scale 13, latitude
The mobile adjusting handle 9 of line and the mobile adjusting handle 10 of warp, warp 12 are arranged in a mutually vertical manner with weft 14, and weft is mobile to adjust hand
Wheel 9 is used to measure the moving distance of weft 14 for adjusting the movement of weft 14, weft scale 13, and the mobile adjusting handle 10 of warp is used
In adjusting the movement of warp 12, warp scale 15 is used to measure the moving distance of warp 12.Warp scale can be used with weft scale
Resolution ratio is the digital display scale displacement meter of 0.01mm.
Using above-mentioned measuring device can carry out medical endoscope visual angle measure, such as measurement field angle when, according to
Lower step executes:
One, endoscope probe 4 is placed on fixture 5, crosshair 6 before fixed mirror.
Two, horizontal angle turntable 7 and vertical angle turntable 3 are placed in zero-bit, that is, horizontal angle scale and vertical angle scale are shown
For zero-bit.
Three, start endoscope, be imaged on latitude and longitude target 8 in endoscopic display.
Four, the mobile adjusting handle 9 of weft is adjusted, makes latitude and longitude intersection point on endoscopic display visual field far right images side
Edge, records the data a1 of weft scale 13, then adjusts the mobile adjusting handle 9 of weft, makes latitude and longitude intersection point in endoscopic display
Visual field leftmost side image border records the data a2 of weft scale 13, calculates (a2-a1)/2=a0, adjusts the mobile adjusting of weft
Handwheel 9 is located at weft at a0.
The mobile adjusting handle 10 of warp is adjusted, makes latitude and longitude intersection point at endoscopic display visual field far right images edge,
The data b1 of warp scale 15 is recorded, then adjusts the mobile adjusting handle 10 of warp, regards latitude and longitude intersection point in endoscopic display
Field leftmost side image border, records the data b2 of warp scale 15, calculates (b2-b1)/2=b0, adjusts the mobile adjusting hand of warp
Wheel 10, is located at warp at b0.
By aforesaid operations, the intersection point a0b0 of warp and weft is imaged in display, i.e. field of view center axis and latitude and longitude
Intersection point is on an axial line.
Five, crosshair 6 before adjustment mirror, so that crosshair 6 is overlapped with latitude and longitude intersection point a0b0 before mirror.
Six, using latitude and longitude intersection point a0b0 as starting point, the mobile adjusting handle 10 of warp is adjusted, warp 12 is made to be moved to interior peep
Mirror display visual field lower edge, latitude and longitude intersection point is a0b3 at this time, rotates vertical angle turntable 3, makes to be imaged on endoscope and shows
Crosshair 6 is overlapped with latitude and longitude intersection point a0b3 before mirror in device, the reading angular value in the vertical angle scale of vertical angle turntable 3
c1;Using latitude and longitude intersection point a0b0 as starting point, the mobile regulating wheel 10 of warp is adjusted, warp 12 is made to be moved to endoscopic display view
Field upper end-face edge, latitude and longitude intersection point is a0b4 at this time, vertical angle turntable 3 is rotated, before making the mirror being imaged in endoscopic display
Crosshair 6 is overlapped with latitude and longitude intersection point a0b4, the reading angular value c2 in the vertical angle scale of vertical angle turntable 3, i.e., on warp
Measuring field angle is c1+c2.
Using latitude and longitude intersection point a0b0 as starting point, the mobile adjusting handle 9 of weft is adjusted, so that weft 14 is moved to endoscope aobvious
Show device visual field lower edge, latitude and longitude intersection point is a3b0 at this time, rotates horizontal angle turntable 7, makes to be imaged in endoscopic display
Mirror before crosshair 6 be overlapped with latitude and longitude intersection point a3b0, the reading angular value d1 in the horizontal angle scale of horizontal angle turntable 7;With
Latitude and longitude intersection point a0b0 is starting point, adjusts the mobile regulating wheel 9 of weft, weft 14 is made to be moved to endoscopic display visual field upper end
Edge, latitude and longitude intersection point is a4b0 at this time, rotates horizontal angle turntable 7, makes crosshair 6 before the mirror being imaged in endoscopic display
It is overlapped with latitude and longitude intersection point a4b0, reading angular value d2, i.e., measure visual field on weft in the horizontal angle scale of horizontal angle turntable 7
Angle is d1+d2.
It is that field angle measures that the reckling measured in field angle d1+d2 on field angle c1+c2 and weft is measured on warp
Value.
Using above-mentioned measuring device can carry out medical endoscope visual angle measure, such as measurement viewing directional angle when, according to
Lower step executes:
One, horizontal angle turntable 7 and vertical angle turntable 3 are placed in zero-bit, that is, horizontal angle scale and vertical angle scale are shown
For zero-bit;
Two, endoscope probe 4 is placed on fixture 5 (without locking), starts endoscope;
Three, warp adjusting handle 10 is adjusted, so that warp 12 is imaged in endoscopic display the top, returns again manual endoscope
Probe is along endoscope geometrical axis axial-rotation and adjusts warp adjusting handle 10, makes endoscope field of view center axis rotary motion camber line
Highest point and warp 12 are tangent, locking fixture 5, record the vertical angle reading scale e of vertical angle turntable0;
Vertical angle turntable is rotated, keeps endoscopic display bottom and warp 12 tangent, records the vertical of vertical angle turntable
Angle scale reads e1, which is e1-e0。
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.
Claims (5)
1. a kind of visual angle measuring device of medical endoscope, which is characterized in that including turntable support and target bracket, the turntable
The inside of bracket or side wall are provided with the vertical angle turntable with vertical angle scale, and band horizontal angle is provided at the top of vertical angle turntable
The horizontal angle turntable of scale is provided with the fixture for installing endoscope probe, the front of endoscope probe on horizontal angle turntable
It is provided with crosshair before mirror;The target cradle top is provided with latitude and longitude target, and latitude and longitude target includes warp, weft, warp
Line scale, weft scale, weft moving parts and warp moving parts, warp and weft are arranged in a mutually vertical manner, weft moving portion
Part is used to measure the moving distance of weft for adjusting weft movement, weft scale, and warp moving parts is for adjusting warp shifting
Dynamic, warp scale is used to measure the moving distance of warp.
2. the visual angle measuring device of medical endoscope according to claim 1, which is characterized in that further include pedestal, turntable
Bracket and target bracket are arranged in parallel on pedestal.
3. the visual angle measuring device of medical endoscope according to claim 1, which is characterized in that warp scale and weft mark
Ruler is digital display scale displacement meter.
4. the visual angle measuring device of medical endoscope according to claim 1, which is characterized in that horizontal angle turntable and vertical
Angle turntable is photoelectric encoder or obliquity sensor.
5. the visual angle measuring device of medical endoscope according to claim 1, which is characterized in that weft moving parts and warp
Line moving parts is adjusting handle.
Priority Applications (1)
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CN201822172788.0U CN209085563U (en) | 2018-12-24 | 2018-12-24 | The visual angle measuring device of medical endoscope |
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CN201822172788.0U CN209085563U (en) | 2018-12-24 | 2018-12-24 | The visual angle measuring device of medical endoscope |
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CN209085563U true CN209085563U (en) | 2019-07-09 |
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CN201822172788.0U Expired - Fee Related CN209085563U (en) | 2018-12-24 | 2018-12-24 | The visual angle measuring device of medical endoscope |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109405768A (en) * | 2018-12-24 | 2019-03-01 | 中国测试技术研究院光学研究所 | The visual angle measuring device and measuring method of medical endoscope |
CN114740614A (en) * | 2022-05-07 | 2022-07-12 | 深圳市微视光电科技有限公司 | Endoscope probe capable of assisting in measurement |
-
2018
- 2018-12-24 CN CN201822172788.0U patent/CN209085563U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109405768A (en) * | 2018-12-24 | 2019-03-01 | 中国测试技术研究院光学研究所 | The visual angle measuring device and measuring method of medical endoscope |
CN109405768B (en) * | 2018-12-24 | 2024-02-27 | 中国测试技术研究院光学研究所 | Visual angle measuring device and visual angle measuring method for medical endoscope |
CN114740614A (en) * | 2022-05-07 | 2022-07-12 | 深圳市微视光电科技有限公司 | Endoscope probe capable of assisting in measurement |
CN114740614B (en) * | 2022-05-07 | 2024-04-19 | 深圳市微视光电科技有限公司 | Endoscope probe capable of assisting in measurement |
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Granted publication date: 20190709 Termination date: 20201224 |
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CF01 | Termination of patent right due to non-payment of annual fee |