CN201658379U - Medical image information acquisition system - Google Patents
Medical image information acquisition system Download PDFInfo
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- CN201658379U CN201658379U CN2010201111831U CN201020111183U CN201658379U CN 201658379 U CN201658379 U CN 201658379U CN 2010201111831 U CN2010201111831 U CN 2010201111831U CN 201020111183 U CN201020111183 U CN 201020111183U CN 201658379 U CN201658379 U CN 201658379U
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- image information
- information acquisition
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Abstract
The utility model discloses a medical image information acquisition system, which belongs to the field of electronic medical equipment. The medical image information acquisition system comprises a near-infrared camera (CCD) and an optical filter switching device which are arranged inside a dark box, and a control system. An optical filter is arranged on the optical filter switching device and is positioned in front of the near-infrared camera. The optical filter switching device comprises a sector disk provided with a plurality of optical filters, and a stepping motor. The optical filters are arranged on the sector disk at an equal distance. When the stepping motor drives the sector disk to rotate a step angle, the optical filter on the sector disk can just be switched on the next different optical filter which is just positioned right ahead off the near-infrared camera, so that the image information after transmitting a mammary tissue with near-infrared ray at a plurality of wavelengths can be collected instantaneously by using single CCD. The medical image information acquisition system has the advantages of simple and elaborate structure, accurate and true detection results, low equipment cost, and so on.
Description
Technical field
This utility model relates to the medical image information acquisition system in a kind of electron medical treatment diagnostic device, refers in particular to a kind of image information acquisition system in mammary gland blood-oxygen image checkout equipment.
Background technology
Existing mammary gland blood-oxygen image detects diagnostic instruments, generally consists of the following components: compositions such as light-source system, image acquisition system and computer.Wherein, the breast image acquisition system is particularly important when diagnosis, the principle of its information gathering is, the near infrared spectrum of gathering a plurality of different wave lengths penetrates the image information behind the mammary gland tissue, so that the content parameter image of vascularity, blood and oxygen in the collection mammary gland tissue, by analysis-by-synthesis to diagnose various breast disease.This just requires the single near-infrared light source of near-infrared camera acquisition to penetrate the image information that mammary gland is formed.Present method, the one, utilize the saturating mammary gland of the long cold light source of traditional harmonic according to tissue, equipment disposes a plurality of high quick near-infrared video cameras, adds different optical filters in each video camera front, by the image information of different each wavelength of camera acquisition, both caused the loaded down with trivial details of clinical practice, increased equipment cost, the equipment that makes the again huge heaviness that becomes, and also a plurality of video camera can not be at same position, angle has deviation, and the data of obtaining like this exist than mistake; Another kind method is, near-infrared LED single light source by different wave length is formed light-source system, the light of different wave length is successively behind the transillumination mammary gland tissue, by camera acquisition breast image information, but because a variety of causes, near-infrared LED power is less in a narrow margin at present, a plurality of different wavelength LED are difficult to be integrated in the probe, utilize optical material that luminous power is seriously decayed, therefore, infrared single wavelength led light source otherwise the spectrum wave amplitude does not meet specification requirement, otherwise light intensity can not meet the demands, make light be not enough to penetrate mammary gland tissue, thereby influence the diagnostic accordance rate of instrument, said method and equipment all can't satisfy the accurate detection diagnosis of mammary gland blood-oxygen image.
The utility model content
In order to overcome above-mentioned deficiency of the prior art, this utility model provides a kind of image acquisition system device, and it not only can satisfy the image collection of a plurality of optical wavelength perspective, and can gather several images automatically by single CCD moment, has improved the validity of image.
To achieve the above object of the invention, this utility model is by the following technical solutions:
A kind of medical image information acquisition system, comprise near-infrared photographic head (CCD), switching device of optical fiber and control system, switching device of optical fiber is provided with optical filter and is positioned at infrared camera the place ahead, and described near-infrared photographic head and optical filter are installed with in a camera bellows.Described switching device of optical fiber comprises sector disk and the driving device that at least two tablet filters are installed, described optical filter equidistantly is arranged on the described sector disk, when driving device drove the sector disk rotation, every described optical filter all was moveable to the dead ahead of described near-infrared photographic head.
Below further be illustrated as the concrete technical scheme that realizes described goal of the invention of the present utility model better and take.
Described driving device adopts motor, this motor is connected with the stepper driver, and the stepper driver carries out communication-type with motion control card and is connected, and nationality is controlled the motion of described motor by this motion control card by controlling described stepper driver.
Preferably, described motion control card is installed in the computer, and this computer can replace described control system enforcement control function.For example, described near-infrared photographic head can carry out image collection by this computer controlled automatic.
Described sector disk is positioned at described camera bellows, its center of circle is equipped with the rotating shaft of described motor, and the motor revolution is crossed a step angle, described sector disk turns over the position of an optical filter just, make described near-infrared photographic head aim at next optical filter, and the light transmission features of described each optical filter is all inequality, the light transmission features of per at least two adjacent optical filters is inequality, be that its permeable infrared light wavelength of institute is inequality, to realize the switching of optical filter.
Compared with prior art, the utlity model has following advantage:
Adopt single ccd sensor can gather the image of a plurality of near-infrared wavelength perspective mammary gland moment, need not to be provided with a plurality of CCD gathers, also need not the multiband near-infrared light source, only the switching device of optical fiber that can control automatically is set in this CCD the place ahead, can realize the prior art purpose that is beyond one's reach, and the complete machine structure exquisiteness, simple to operate.And described switching device of optical fiber adopts motor as driving device, and stable drive, has accurately improved the validity of image information widely.
Description of drawings
Fig. 1 is an acquisition system operation principle block diagram among this utility model embodiment;
Fig. 2 is an acquisition system overall structure sketch map among this utility model embodiment;
Fig. 3 is the internal structure sketch map after the camera bellows among this utility model embodiment removes top cover;
Fig. 4 is the structural representation of switching device of optical fiber among this utility model embodiment.
The realization of this utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and the specific embodiments.
Fig. 1 is an acquisition system operation principle block diagram in the present embodiment;
Fig. 2 is an acquisition system overall structure sketch map in the present embodiment;
Fig. 3 is the internal structure sketch map after the camera bellows in the present embodiment removes top cover.
See figures.1.and.2, camera bellows 1 of present embodiment design is provided with near-infrared photographic head 3 and switching device of optical fiber 2 in this camera bellows 1.Wherein, described switching device of optical fiber 2 comprises that the circle centre position of a sector disk 22, described sector disk 22 is equipped with a motor 23, motor 23 drives by stepper driver 6, stepper driver 6 is controlled by motion control card 5 again, and described motion control card 5 is installed in the computer as control system 4.Simultaneously, described near-infrared photographic head 3 is installed on the bearing 30 of described camera bellows 1, and it is high quick CCD, and is also carried out the collection of image by this computer control.
See also shown in Figure 4, be installed on to equal angles multiple optical filters 21 on the described sector disk 22, the light-filtering characteristic of each optical filter 21 has nothing in common with each other, and at least whenever the light-filtering characteristic of two adjacent optical filters 21 is inequality, and described light-filtering characteristic is its wavelength that can see through infrared waves.When described motor 23 drove sector disk 22 rotations, every described optical filter 21 all was moveable to the dead ahead of described near-infrared photographic head 3, and promptly each optical filter 21 equates to the distance of the circle centre position of sector disk 22.
Preferably, described motor 23 revolutions are crossed a step angle, and described sector disk 22 turns over the position of an optical filter 21 just, make described near-infrared photographic head 3 aim at next optical filter 21, to realize the switching of optical filter 21.Parameters such as the step angle size of described motor 23 can be regulated by described stepper driver 6 and/or motion control card 5.
During this utility model work, after near-infrared photographic head 3 collects the light that a certain tablet filter 21 seen through and is converted to digital signal, also need to gather the image information behind the light transmission mammary gland tissue of different wave length, so need to change optical filter 21, when the next optical filter 21 on the switching device of optical fiber 2 moves to described near-infrared photographic head 3 dead aheads, by motion control card 5 feedbacks one triggering signal, after described computer (control system 4) receives this triggering signal, send instruction to described near-infrared photographic head 3 immediately and make it finish shooting and information gathering program synchronously.
This utility model adopts the sector disk 22 that is provided with multiple optical filters 21 by motor 23 controls one, realize that multiple optical filters 21 circulations substitute the technical scheme of using, only need the image information after a CCD can gather the transmission of near infra red light mammary gland tissue of a plurality of wavelength moment, when making equipment simple and exquisite, also make testing result more accurately with true, save the device fabrication cost widely, improved the coincidence rate of diagnosis.
The above only is a preferred embodiment of the present utility model; be not so limit its claim; every equivalent structure or equivalent flow process conversion that utilizes this utility model description and accompanying drawing content to be done; directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (8)
1. a medical image information acquisition system comprises near-infrared photographic head, switching device of optical fiber and control system, and switching device of optical fiber is provided with optical filter and is positioned at infrared camera the place ahead; Described near-infrared photographic head and optical filter are installed with in a camera bellows, it is characterized in that: described switching device of optical fiber comprises sector disk and the driving device that at least two tablet filters are installed, described optical filter equidistantly is arranged on the described sector disk, when driving device drove the sector disk rotation, every described optical filter all was moveable to the dead ahead of described near-infrared photographic head.
2. medical image information acquisition system as claimed in claim 1 is characterized in that: described driving device is a motor, and this motor is connected with the stepper driver.
3. medical image information acquisition system as claimed in claim 2 is characterized in that: also comprise computer, described stepper driver is connected with described computer and is controlled by the motion control card that is installed in this computer.
4. as claim 2 or 3 described medical image information acquisition systems, it is characterized in that: described sector disk is positioned at described camera bellows, and its center of circle is installed in the rotating shaft of described motor, described motor revolution is crossed a step angle, described sector disk turns over the position of an optical filter just, makes described near-infrared photographic head aim at next optical filter.
5. as claim 1 or 4 described medical image information acquisition systems, it is characterized in that: the light-filtering characteristic of described every tablet filter has nothing in common with each other
6. as claim 1 or 4 described medical image information acquisition systems, it is characterized in that: the light-filtering characteristic of every adjacent two tablet filters is all inequality.
7. as claim 5 or 6 described medical image information acquisition systems, it is characterized in that: the light-filtering characteristic of described optical filter is the wavelength of the permeable infrared waves of described optical filter.
8. medical image information acquisition system as claimed in claim 1 is characterized in that: described near-infrared camera through signal wire is connected with described control system, and carries out image collection by described control system control, and described control system is a computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201111831U CN201658379U (en) | 2010-02-04 | 2010-02-04 | Medical image information acquisition system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201111831U CN201658379U (en) | 2010-02-04 | 2010-02-04 | Medical image information acquisition system |
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| CN201658379U true CN201658379U (en) | 2010-12-01 |
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| CN2010201111831U Expired - Fee Related CN201658379U (en) | 2010-02-04 | 2010-02-04 | Medical image information acquisition system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102429640A (en) * | 2011-08-16 | 2012-05-02 | 谢幼宸 | Portable blood vessel display lamp |
| CN104793310A (en) * | 2015-04-21 | 2015-07-22 | 中国科学院长春光学精密机械与物理研究所 | Monochromator multi-filter switching mechanism |
| CN107526145A (en) * | 2017-07-27 | 2017-12-29 | 中国科学院长春光学精密机械与物理研究所 | A kind of optical filter switching structure and the optical instrumentation with the structure |
| CN109097249A (en) * | 2018-09-03 | 2018-12-28 | 刘萌萌 | For recording the recorder of pathology cytopathy |
| CN110266932A (en) * | 2019-07-20 | 2019-09-20 | 福建医科大学附属协和医院 | The mobile telephone image device and its application method of parathyroid gland are identified in operation |
| CN114402579A (en) * | 2019-12-19 | 2022-04-26 | Oppo广东移动通信有限公司 | Light filtering device, camera module, mobile terminal and image acquisition method |
-
2010
- 2010-02-04 CN CN2010201111831U patent/CN201658379U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102429640A (en) * | 2011-08-16 | 2012-05-02 | 谢幼宸 | Portable blood vessel display lamp |
| CN104793310A (en) * | 2015-04-21 | 2015-07-22 | 中国科学院长春光学精密机械与物理研究所 | Monochromator multi-filter switching mechanism |
| CN104793310B (en) * | 2015-04-21 | 2017-06-23 | 中国科学院长春光学精密机械与物理研究所 | The many optical filter switching mechanisms of monochromator |
| CN107526145A (en) * | 2017-07-27 | 2017-12-29 | 中国科学院长春光学精密机械与物理研究所 | A kind of optical filter switching structure and the optical instrumentation with the structure |
| CN109097249A (en) * | 2018-09-03 | 2018-12-28 | 刘萌萌 | For recording the recorder of pathology cytopathy |
| CN110266932A (en) * | 2019-07-20 | 2019-09-20 | 福建医科大学附属协和医院 | The mobile telephone image device and its application method of parathyroid gland are identified in operation |
| CN110266932B (en) * | 2019-07-20 | 2024-05-07 | 福建医科大学附属协和医院 | Mobile phone imaging device for identifying parathyroid glands in operation and using method thereof |
| CN114402579A (en) * | 2019-12-19 | 2022-04-26 | Oppo广东移动通信有限公司 | Light filtering device, camera module, mobile terminal and image acquisition method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20120204 |