CN201664295U - Annular scanning optical system of medical stomach scanning robot - Google Patents
Annular scanning optical system of medical stomach scanning robot Download PDFInfo
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- CN201664295U CN201664295U CN2010201268471U CN201020126847U CN201664295U CN 201664295 U CN201664295 U CN 201664295U CN 2010201268471 U CN2010201268471 U CN 2010201268471U CN 201020126847 U CN201020126847 U CN 201020126847U CN 201664295 U CN201664295 U CN 201664295U
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- optical system
- optically focused
- robot
- annular
- scanning optical
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Abstract
The utility model provides an annular scanning optical system of a medical stomach scanning robot, comprising an objective lens and an imaging lens or an imaging lens group positioned at the rear side of the objective lens, the annular scanning optical system is characterized in that: the objective lens comprises an annular optically focused turning prism, the top of which is provided with a reflecting surface, the ray enters from the side surface of the annular optically focused turning prism, leaves from the annular optically focused turning prism via the top reflecting surface and enters into the imaging lens or the imaging lens group, forming the image of the lateral part. The annular scanning optical system, except shooting the right front image, is advantageous in that the side surface shooting range is relatively wider, the shooting range of the stomach wall is wider, the image transformation is small, and the image is clear, the annular scanning optical system is beneficial to doctor diagnosis.
Description
Technical field:
This utility model relates to the circular scanning optical system that a kind of medical the intestines and stomach scans robot.
Background technology:
The image of traditional shooting human body the intestines and stomach generally is to utilize a pipeline to pass people's throat or anus, utilize fiber lens could take the image of the intestines and stomach, this brings discomfort even causes damage to the patient, the appearance that a kind of medical the intestines and stomach scans robot has solved above problem, as shown in Figure 1, after the people is scanned eating of the A of robot to the medical the intestines and stomach of capsule-type, the intestines and stomach scanning robot enters the intestines and stomach along esophagus, at the moving process photographic images, get rid of from anus at last, all filmed images all are recorded in the storage chip the inside of the intestines and stomach scanning A of robot, and the doctor can carry out medical diagnosis by the view data that special equipment (for example computer) reads inside the storage chip.As shown in Figure 2, general the intestines and stomach scanning robot is made up of four parts: power-supply system, image capturing apparatus, illuminator and image storage.This utility model be at image capturing apparatus just optical system improve.
As shown in Figure 3, the medical the intestines and stomach scanning of existing capsule-type robot optical system comprises the object lens of being located in the capsule-type housing 01 02.There is following defective in this optical system: 1, its angle of visual field is bigger, makes that the formed pattern distortion of optical system is big, is unfavorable for diagnosis; 2, enter the dead ahead of the light major part of camera lens, and the image range in shooting the place ahead is bigger, then have only small part just can enter for the light around the camera lens, so the coverage of intestinal wall is little, influences image and judge same unfavorable diagnosis from camera lens.
Summary of the invention:
The purpose of this utility model is to provide the circular scanning optical system that a kind of anamorphose is little, shooting the intestines and stomach wall scope is wide, the medical more clearly the intestines and stomach of image scans robot.
A kind of medical the intestines and stomach scans the circular scanning optical system of robot, comprise object lens and the imaging lens or the imaging lens group that are positioned at the object lens rear, described object lens are that annular optically focused turns to prism, the top has reflecting surface, light turns to prism side to enter from annular optically focused, reflecting surface through the top reflects and enters imaging lens or imaging lens group after annular optically focused turns to prism, forms the image of sidepiece.
Above-mentioned described annular optically focused turns to prismatical crown center to form cavity, and the wall of cavity forms reflecting surface.
It is free form surface that above-mentioned described annular optically focused turns to prismatical top reflecting surface.
It is the face of cylinder that above-mentioned described annular optically focused turns to prismatical side, and the bottom surface is plane or tire curved surface.
Be coated with the semi-transflective reflective film on the surface of above-mentioned described reflecting surface.
The diapire of above-mentioned described cavity is plane or curved surface.
This utility model compared with prior art has following advantage: 1) annular optically focused turns to the prism top to have reflecting surface, light turns to prism side to enter from annular optically focused, reflecting surface through the top reflects and enters imaging lens or imaging lens group after annular optically focused turns to prism, forms the image of sidepiece.Therefore except can taking the dead ahead image, lateral coverage is wider, and, little, the clear picture of anamorphose wide more to the intestines and stomach wall coverage face are beneficial to diagnosis.2) above-mentioned described annular optically focused turns to prismatical crown center to form cavity, and the wall of cavity forms reflecting surface, and the top reflecting surface is a free form surface, and the side is the face of cylinder, and the bottom surface is plane or tire curved surface, and is simple in structure, easy to manufacture; 3) described annular optically focused turns to and is coated with the semi-transflective reflective film on the prismatical reflecting surface, allows illuminator can illuminate the front end and the sidewall of the intestines and stomach simultaneously.
Description of drawings:
Fig. 1 scans the use sketch map of robot for existing medical the intestines and stomach;
Fig. 2 is the structured flowchart that existing medical the intestines and stomach scans robot;
Fig. 3 is the sketch map that existing medical the intestines and stomach scans the optical system photographic images of robot.
Fig. 4 is a structural representation of the present utility model.
Fig. 5 is an index path of the present utility model.
Fig. 6 turns to prismatical structural representation for this utility model annular optically focused.
The specific embodiment:
As Fig. 4, Fig. 5 and shown in Figure 6, a kind of medical the intestines and stomach scans the circular scanning optical system of robot, comprise object lens and the imaging lens or the imaging lens group 2 that are positioned at the object lens rear, described object lens are that annular optically focused turns to prism 1, the top has reflecting surface 11, light turns to prism 1 side 12 to enter from annular optically focused, and the reflecting surface 11 through the top reflects and enters imaging lens or imaging lens group 2 after annular optically focused turns to prism 1, forms the image of sidepiece.Described annular optically focused turns to the crown center of prism 1 to form cavity 14, and the side wall surface of cavity forms reflecting surface 11.It is free form surface that annular optically focused turns to the top reflecting surface 11 of prism 1.It is the face of cylinder that described annular optically focused turns to the side 12 of prism 1, and bottom surface 13 is plane or tire curved surface.Be coated with the semi-transflective reflective film on 11 surfaces of described reflecting surface.The diapire 15 of cavity 14 is plane or curved surface.
This utility model adopts annular optically focused to turn to prism 1, the top has reflecting surface 11, light turns to prism side 12 to enter from annular optically focused, and the reflecting surface 11 through the top reflects and enters imaging lens or imaging lens group 2 after annular optically focused turns to prism, forms the image of sidepiece.Except can taking the dead ahead image, lateral coverage is wider, and, anamorphose little, clear picture wide more to the intestines and stomach wall 3 coverage faces are beneficial to diagnosis.
Claims (6)
1. the circular scanning optical system of a medical the intestines and stomach scanning robot, comprise object lens and the imaging lens or the imaging lens group that are positioned at the object lens rear, it is characterized in that: described object lens are that annular optically focused turns to prism, the top has reflecting surface, light turns to prism side to enter from annular optically focused, reflecting surface through the top reflects and enters imaging lens or imaging lens group after annular optically focused turns to prism, forms the image of sidepiece.
2. a kind of medical the intestines and stomach according to claim 1 scans the circular scanning optical system of robot, it is characterized in that: described annular optically focused turns to prismatical crown center to form cavity, and the side wall surface of cavity forms reflecting surface.
3. a kind of medical the intestines and stomach according to claim 1 and 2 scans the circular scanning optical system of robot, and it is characterized in that: it is free form surface that annular optically focused turns to prismatical top reflecting surface.
4. a kind of medical the intestines and stomach according to claim 1 and 2 scans the circular scanning optical system of robot, and it is characterized in that: it is the face of cylinder that described annular optically focused turns to prismatical side, and the bottom surface is plane or tire curved surface.
5. a kind of medical the intestines and stomach according to claim 1 and 2 scans the circular scanning optical system of robot, it is characterized in that: be coated with the semi-transflective reflective film on the surface of described reflecting surface.
6. a kind of medical the intestines and stomach according to claim 2 scans the circular scanning optical system of robot, and it is characterized in that: the diapire of cavity is plane or curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201268471U CN201664295U (en) | 2010-03-01 | 2010-03-01 | Annular scanning optical system of medical stomach scanning robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201268471U CN201664295U (en) | 2010-03-01 | 2010-03-01 | Annular scanning optical system of medical stomach scanning robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201664295U true CN201664295U (en) | 2010-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201268471U Expired - Fee Related CN201664295U (en) | 2010-03-01 | 2010-03-01 | Annular scanning optical system of medical stomach scanning robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201664295U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105286761A (en) * | 2015-09-29 | 2016-02-03 | 微创（上海）医疗机器人有限公司 | Electronic endoscope |
-
2010
- 2010-03-01 CN CN2010201268471U patent/CN201664295U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105286761A (en) * | 2015-09-29 | 2016-02-03 | 微创（上海）医疗机器人有限公司 | Electronic endoscope |
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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: 20101208 Termination date: 20150301 |
|
| EXPY | Termination of patent right or utility model |