CN101566464B - Surgical instrument detector - Google Patents
Surgical instrument detector Download PDFInfo
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- CN101566464B CN101566464B CN2009100521031A CN200910052103A CN101566464B CN 101566464 B CN101566464 B CN 101566464B CN 2009100521031 A CN2009100521031 A CN 2009100521031A CN 200910052103 A CN200910052103 A CN 200910052103A CN 101566464 B CN101566464 B CN 101566464B
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- light source
- bolster
- surgical instrument
- camera
- glass bracket
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Abstract
The invention discloses a surgical instrument detector, which comprises a device base, a surgical instrument locator, an adjuster, an illuminating apparatus, an image collector and a computer; the surgical instrument locator is as follows: a flat is fixed on the device base, a vertical plate is vertically connected with the flat, the vertical plate is provided with a glass bracket, and a reinforced rib plate is connected between the flat and the vertical plate; the illuminating apparatus is characterized in that: a back projection LED light source is arranged on the device base below the glassbracket; a positive light source is connected with the annular lampshade of the bracket of the light source; the image collector uses a CMOS camera; and the computer and the CMOS camera are connected by a serial bus interface universal to USB 2.0; the lens of the camera, the positive light source, the back projection LED light source and a detected object on the bracket are arranged on the same v ertical line. The image of the detected object is transmitted to the computer by the CMOS camera to conduct image processing and detection, judge, display and store the result. The surgical instrumentdetector has the advantages of quick detection speed and accurate result.
Description
Technical field
The present invention relates to a kind of device that is used to detect the operating theater instruments physical dimension, be specifically related to a kind of operating theater instruments special detection device that detects tweezer, the length of cutting, clamping and angle that is applicable to.
Background technology
Operating theater instruments is carried out the defective that quality testing can be measured operating theater instruments processing exactly, improve the operating theater instruments product percent of pass, thereby provide production assurance for the production in enormous quantities of operating theater instruments.Present domestic operating theater instruments manufacturing enterprise mainly observes with human eye, not only require great effort but also time-consuming, error is big, can not guarantee the high precision quality of product and detect effect, especially under the situation that testing staff's fatigue or energy are not concentrated, form erroneous judgement easily, cause underproof product to come into the market, situation serious in addition can make troubles to operation, cause by doctor's health to come to harm, existing detection method to operating theater instruments can not adapt to now in enormous quantities, the needs of made with high precision.
Summary of the invention
The invention discloses a kind of surgical instrument detector, its purpose is to overcome existing the detection and relies on naked-eye observation, error is big, and efficient is low, with the drawback of human factor decision product quality, the present invention utilizes image capturing system to handle and detect by computing machine, can not only accurately detect operating theater instruments defective and specific dimensions, and workpiece image resolution height to be detected, successive image is handled easily, detection speed is fast, and testing result is accurate; Time saving and energy saving, improved the qualification rate of product greatly.
A kind of surgical instrument detector comprises plant bottom case, operating theater instruments locating device, regulating device, lighting device, image collecting device and computing machine, it is characterized in that:
A) described operating theater instruments locating device comprises flat board, strengthens gusset, riser and glass bracket, and described flat board is fixed on the plant bottom case, and riser and dull and stereotyped vertical the connection are connected with glass bracket on the riser, connect one between flat board and the riser and strengthen gusset;
B) described regulating device is by pedestal, intermediate plate, bolster and support plate are formed, described pedestal is fixed on the plant bottom case, the pedestal upper end is connected with intermediate plate, have X-Y direction chute on the intermediate plate, the axle sleeve lower end embeds in the X-Y direction chute, bolster is nested in the axle sleeve, bolster is fixed by screw and axle sleeve, the fixed support plate in bolster upper end, axle sleeve is by sliding in X-Y direction chute and the lifting of bolster in axle sleeve, makes the support plate that connects on the bolster can carry out the mobile and lifting of three directions of X-Y-Z;
C) described lighting device comprises forward light source and back projection LED light source, and described back projection LED light source is arranged on the plant bottom case of glass bracket below, and described forward light source is connected on the Circular shape lampshade of light source bracket;
D) described image collecting device comprises camera pedestal, and micro-/telecentric mirror head and 3,000,000 pixel cmos cameras, cmos camera are connected on the camera pedestal directly over the glass bracket;
E) described computing machine is connected by the USB2.0 USB (universal serial bus) with cmos camera.
Measured object center on center, glass bracket center and the carriage of center, forward light source and the back projection LED light source of the micro-/telecentric mirror head of described video camera should be on same perpendicular line.
The highest resolution of described cmos camera is 2048*1536, and Pixel Dimensions is 3.2 μ m*3.2 μ m, and optical dimensions is 1/2inch, and signal to noise ratio (S/N ratio)＞42dB, dynamic range＞60dB, susceptibility are 1V/lux-sec under the light source of 550nm.
Described micro-/focal length of telecentric mirror head is 55mm, image full-size 8.8mm*6.6mm, aperture F2.8-F32C, focus 0.14m-Inf, operating distance 140mm-Inf, optical magnification 0.5x.
The present invention is a kind of device that fast and accurately operating theater instruments is detected, can solve the problem of operating theater instruments length and measurement of angle, improve product percent of pass and security, avoid the artificial erroneous judgement that detects, detect workpiece image resolution height, successive image is handled easily, and detection speed is fast, and testing result is accurate; Time saving and energy saving, can effectively improve the qualification rate of product.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of surgical instrument detector of the present invention.
1. plant bottom case, 2. computing machine, 3. flat board is 4. strengthened gusset, 5. riser, 6. glass bracket, 7. pedestal, 8. intermediate plate, 9. bolster, 10. support plate, 11. Circular shape lampshades, 12. back projection LED light source, light source bracket on 13., 14. camera pedestals, 15. micro-/the telecentric mirror head, 16.CMOS video camera, 17. transverse links, 18.X-Y the direction chute, 19. axle sleeves, 20. screws.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
A kind of surgical instrument detector, as shown in Figure 1, comprise plant bottom case 1, operating theater instruments locating device, regulating device, lighting device, image collecting device and computing machine 2, the operating theater instruments locating device comprises flat board 3, strengthens gusset 4, riser 5 and glass bracket 6, described dull and stereotyped 3 are fixed on the plant bottom case 1, riser 5 and dull and stereotyped 3 vertical connections are connected with glass bracket 6 on the riser 5, connect one between flat board 3 and the riser 5 and strengthen gusset 4; Regulating device is by pedestal 7, intermediate plate 8, bolster 9 and support plate 10 are formed, described pedestal 7 is fixed on the plant bottom case 1, pedestal 7 upper surfaces are connected with intermediate plate 8, have X-Y direction chute 18 on the intermediate plate 8, axle sleeve 19 lower ends embed in the X-Y direction chute 18, bolster 9 is nested in the axle sleeve 19, fixing of bolster 9 by screwing screw 20, the fixed support plate 10 in bolster 9 upper ends, axle sleeve is by sliding X-Y direction chute 18 in and the lifting of bolster in axle sleeve 19, makes the support plate 10 that connects on the bolster can carry out the mobile and lifting of three directions of X-Y-Z; Lighting device comprises forward light source, back projection LED light source 12, and described back projection LED light source 12 is arranged on the plant bottom case 1 of glass bracket below, and described forward light source is connected on the Circular shape lampshade 11 of light source bracket 13; Image collecting device comprises camera pedestal 14, and micro-/telecentric mirror head 15 and 3,000,000 pixel cmos cameras 16, cmos camera 16 are connected on the camera pedestal 14 of glass bracket top; Computing machine 2 is connected by the USB2.0 USB (universal serial bus) with cmos camera 16.
The center of center, forward light source and the back projection LED light source 12 of the micro-/telecentric mirror head 15 of video camera, the center of glass bracket 6 and the measured object center on the carriage should be on same perpendicular line.
The highest resolution of present embodiment cmos camera 16 is 2048*1536, and Pixel Dimensions is 3.2 μ m*3.2 μ m, and optical dimensions is 1/2inch, and signal to noise ratio (S/N ratio)＞42dB, dynamic range＞60dB, susceptibility are 1V/lux-sec under the light source of 550nm.
Present embodiment is micro-/and the focal length of telecentric mirror head 15 is 55mm, image full-size 8.8mm*6.6mm, aperture F2.8-F32C, focus 0.14m-Inf, operating distance 140mm-Inf, optical magnification 0.5x.
By operating theater instruments locating device and regulating device workpiece to be detected is fixed on the glass bracket, open light source and cmos camera, carry out system calibrating earlier, gather workpiece image to be detected again, import computing machine into by cmos camera, by operation system of software it is carried out Flame Image Process and detection, and whether qualified according to the measured value judgement, testing result is imported database preserve.
Embodiment 1: the cutter head length that detects scalpel:
The scalpel handle is placed on the support plate 10 of regulating device, cutter head is placed on the glass bracket 6 of operating theater instruments locating device, by regulating bolster 9, make support plate 10 move up and down to glass bracket 6 sustained heights, thereby cutter head can be lain on the glass bracket 6, back projection LED light source 12 polishings, lighting device it can be by cmos camera parameter real-time regulated, initial setting up is at gain 50Hz, on the shutter speed 200ms, if external environment condition is too dark, only need gain (gain) accent is got final product to seeing image clearly greatly.Minor operation cutter length is selected microlens when 0～2mm scope, major operation cutter length is selected the telecentric mirror head when 2～50mm scope; Cmos camera is apart from 75cm height in plane on the plant bottom case.By computer control cmos camera images acquired, be presented on the computer display, click then and measure the length button on the display screen, will obtain and show the value of linear measure longimetry, the process computing machine and the length value of setting and the error of permission compare, obtain the quality of product quality, will be saved in the testing result database by save button.
Embodiment 2: detect the operating scissors angle value:
Because scissors are elbow a bit, so need be scissors being sidelong on support plate 10, the scissors both sides add the rectangular parallelepiped baffle plate and step up, scissors bit is placed on the glass bracket 6, and mobile axle sleeve 19 is regulated bolster 9, making support plate 10 carry out X-Y-Z three directions moves to and glass bracket 6 sustained heights, the computer acquisition image is promptly opened in the position that angle is suitable, and other is operated with embodiment 1.By computer control cmos camera images acquired, be presented on the computer display, click the button that takes measurement of an angle on the display screen then, will obtain and show the angle value of scissors top bending, the process computing machine and the angle value of setting and the error of permission compare, obtain the quality of product quality, will be saved in the testing result database by save button.
Claims (4)
1. a surgical instrument detector comprises plant bottom case (1), operating theater instruments locating device, regulating device, lighting device, image collecting device and computing machine (2), it is characterized in that:
A) described operating theater instruments locating device comprises flat board (3), strengthens gusset (4), riser (5) and glass bracket (6), described flat board (3) is fixed on the plant bottom case (1), riser (5) is with dull and stereotyped (3) are vertical is connected, be connected with glass bracket (6) on the riser (5), connect one between dull and stereotyped (3) and the riser (5) and strengthen gusset (4);
B) described regulating device is by pedestal (7), intermediate plate (8), bolster (9) and support plate (10) are formed, described pedestal (7) is fixed on the plant bottom case (1), pedestal (7) upper end is connected with intermediate plate (8), have X-Y direction chute (18) on the intermediate plate (8), axle sleeve (19) lower end embeds in the X-Y direction chute (18), bolster (9) is nested in the axle sleeve, bolster upper end fixed support plate (10), bolster is fixed by screw (20) and axle sleeve, axle sleeve is by sliding in X-Y direction chute and the lifting of bolster in axle sleeve, makes the support plate that connects on the bolster can carry out the mobile and lifting of three directions of X-Y-Z;
C) described lighting device comprises forward light source and back projection LED light source (12), described back projection LED light source (12) is arranged on the plant bottom case (1) of glass bracket (6) below, described forward light source is connected on the Circular shape lampshade (11) of light source bracket (13);
D) described image acquisition hardware unit comprises camera pedestal (14), micro-/telecentric mirror head (15) and cmos camera (16), cmos camera (16) is connected on the camera pedestal (14) of glass bracket (6) top, and micro-/telecentric mirror head (15) is aimed at glass bracket (6);
E) described computing machine (2) is connected by the USB2.0 USB (universal serial bus) with cmos camera (16).
2. a kind of surgical instrument detector according to claim 1 is characterized in that: the measured object center on center, glass bracket (6) center and the carriage of center, forward light source and the back projection LED light source (12) of the micro-/telecentric mirror head (15) of described video camera should be on same perpendicular line.
3. a kind of surgical instrument detector according to claim 1, it is characterized in that: the highest resolution of cmos camera the D in the claim 1) (16) is 2048*1536, Pixel Dimensions is 3.2 μ m*3.2 μ m, optical dimensions is 1/2inch, signal to noise ratio (S/N ratio)＞42dB, dynamic range＞60dB, susceptibility are 1V/lux-sec under the light source of 550nm.
4. a kind of surgical instrument detector according to claim 1, it is characterized in that: the focal length of micro-the D in the claim 1)/telecentric mirror head (15) is 55mm, image full-size 8.8mm*6.6mm, aperture F2.8-F32C, focus 0.14m-Inf, operating distance 140mm-Inf, optical magnification 0.5x.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100521031A CN101566464B (en) | 2009-05-27 | 2009-05-27 | Surgical instrument detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100521031A CN101566464B (en) | 2009-05-27 | 2009-05-27 | Surgical instrument detector |
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| Publication Number | Publication Date |
|---|---|
| CN101566464A CN101566464A (en) | 2009-10-28 |
| CN101566464B true CN101566464B (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100521031A Expired - Fee Related CN101566464B (en) | 2009-05-27 | 2009-05-27 | Surgical instrument detector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102506763B (en) * | 2011-10-13 | 2013-11-06 | 保定天威集团有限公司 | High-accuracy projector mould detection method |
| CN104165894B (en) * | 2014-06-23 | 2017-08-08 | 中国计量学院 | A kind of detection means for curve surface work pieces surface defect |
| CN105345599B (en) * | 2015-12-17 | 2017-05-10 | 华中科技大学 | In-situ detecting equipment for abrasion on rear face of turning tool |
| CN108020177A (en) * | 2016-11-04 | 2018-05-11 | 荣旗工业科技（苏州）有限公司 | A kind of Angle Measuring Equipment and its application |
| CN113740097B (en) * | 2021-11-03 | 2022-02-08 | 极限人工智能(北京)有限公司 | Testing device |
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- 2009-05-27 CN CN2009100521031A patent/CN101566464B/en not_active Expired - Fee Related
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