CN202537477U

CN202537477U - Doppler laser OCT electronic colonoscope system

Info

Publication number: CN202537477U
Application number: CN2012200254396U
Authority: CN
Inventors: 乔铁
Original assignee: Guangzhou Baodan Medical Instrument Technology Co Ltd
Current assignee: Guangzhou Baodan Medical Instrument Technology Co Ltd
Priority date: 2012-01-18
Filing date: 2012-01-18
Publication date: 2012-11-21
Anticipated expiration: 2022-01-18

Abstract

The utility model belongs to the field of instruments, and specifically discloses a Doppler laser OCT (Optical Coherence Tomography) electronic colonoscope system which comprises an electronic colonoscope, and a cold light source and a shooting host which are connected with the electronic colonoscope, wherein a Doppler laser data acquisition module and an OCT data acquisition module are arranged on the electronic colonoscope, the electronic colonoscope is also connected with a Doppler processing host for carrying out analysis processing on the data collected by the Doppler laser data acquisition module, and the electronic colonoscope is also connected with an OCT processing host for carrying out analysis processing on the data collected by the OCT data acquisition module. According to the utility model, the Doppler laser data acquisition module and the OCT data acquisition module are integrated on a stretching head of a mixed module, and more precise kinetic images and finer tomography pathology image of colonic duct and surface layer blood vessels among walls can be obtained by cooperated processing of the Doppler host and the OCT host, so that more precise and accurate data support is provided for diagnosis and treatment of a doctor.

Description

Laser doppler OCT electronic colonoscope system

Technical field

This utility model belongs to field of medical appliances, is specifically related to a kind of laser doppler OCT electronic colonoscope system.

Background technology

Electronic colonoscope; It is the important medical apparatus and instruments of the big intestinal mucosal lesion of current diagnosis; It is that electro-photographic probe through being installed on intestinal mirror front end is transmitted in the electronic computer processing center with the image of mucous membrane of colon, after be shown on the monitor screen, can be observed the minor variations of big intestinal mucosa.

Doppler principle all is used widely in every field, utilizes the Doppler effect of laser beam in the industry, is used for the speed of Measuring Object, and its degree of accuracy is high; Medically utilize hyperacoustic Doppler effect, observation patient body situation.The laser doppler technology slowly also gets into medical domain at present; Utilize the Doppler effect of laser to measure the microcirculation blood flow of various tissues and organ with the mode of noinvasive or Wicresoft; In addition can also do series of analysis calculates; Comprise microcirculatory hemodynamics variation, and heart is beated synchronously even double pulse etc., accomplish the purpose of accurate monitoring.

Equally; OCT (Optical Coherence Tomography; Optical Coherence Tomography Imaging Technology) utilizes the weak coherent light principle of interference; Detect the backscatter signals of tested tissue different depth, and obtain organizing two dimension or three dimensional depth structural images, have characteristics such as radiationless, non-intruding, high-resolution and high detection sensitivity through scanning.

The OCT technology has obtained effective application in ophthalmologic examination, and gets involved in the human organ, the microminiaturization of OCT technology is applied to intraorganic disease detect, and is not still effectively carried out at present.

But at present, in electronic colonoscope, still there are not fine application laser doppler technology and OCT technology.If; Electronic colonoscope can be gathered the advantage of laser doppler technology and OCT technology; Accurate more dynamic image of top layer blood vessel and meticulousr tomography pathological changes image with obtaining between colon road and wall further improve the accuracy of diagnosis and the success rate of treatment.

Therefore, design is a kind of extremely urgent with laser doppler technology, electronic colonoscope system that OCT is technological to be used in combination with electronic colonoscope.

The utility model content

The purpose of this utility model is to provide a kind of laser doppler OCT electronic colonoscope system; The advantage of set laser doppler technology and OCT technology; Accurate more dynamic image of top layer blood vessel and meticulousr tomography pathological changes image with obtaining between colon road and wall further improve the accuracy of diagnosis and the success rate of treatment.

For realizing above-mentioned purpose, technical scheme that this utility model adopts is following:

A kind of laser doppler OCT electronic colonoscope system; Comprise electronic colonoscope and the cold light source main frame that is connected with this electronic colonoscope and shooting main frame; Said electronic colonoscope is provided with laser doppler data acquisition module and OCT data acquisition module; On said electronic colonoscope, also be connected with the data that said laser doppler data acquisition module is collected and carry out Doppler's processing host of analyzing and processing, on said electronic colonoscope, also be connected with the OCT processing host that the data that said OCT data acquisition module is collected are carried out analyzing and processing.

In the said laser doppler OCT electronic colonoscope system, its laser doppler data acquisition module comprises Laser emission end and laser pick-off end, and said OCT data acquisition module comprises prism, GRIN Lens and optical fiber tissue.

In the said laser doppler OCT electronic colonoscope system, its Doppler's processing host is connected a monitor or the shared monitor of split screen respectively with the OCT processing host.

In the said laser doppler OCT electronic colonoscope system, its electronic colonoscope comprises work end, operating grip, data wire, instrument channel and control module; Said laser doppler data acquisition module and OCT data acquisition module are arranged on the electronic colonoscope; Specifically: on the first end of said work end, be provided with one and can stretch out the telescopic head that rotates with withdrawal and 360 degree, said laser doppler data acquisition module and OCT data acquisition module just are arranged in the telescopic head.

In the said laser doppler OCT electronic colonoscope system, the diameter of its telescopic head is less than or equal to 3 millimeters.

In the said laser doppler OCT electronic colonoscope system, on the first end of said work end, also be provided with optical fibers, optical lens and apparatus and import and export.

In the said laser doppler OCT electronic colonoscope system, its apparatus is imported and exported diameter more than or equal to 3 millimeters.

In the said laser doppler OCT electronic colonoscope system, its work end is processed by soft material, and the diameter of this soft work end is less than or equal to 15 millimeters.

In the said laser doppler OCT electronic colonoscope system; Its optical lens adopts focal length more than or equal to 2.8 millimeters CCD optical lens, the imaging size of the CCD chip of this CCD optical lens be less than or equal to 1/4th inches, valid pixel more than or equal to 480,000, the angle of view is more than or equal to 100 degree.

Its principle of this utility model is at integrated laser doppler module of endoscopic technique and OCT module; Make the doctor can obtain the laser doppler image and the OCT image in patient affected part simultaneously through once performing the operation; Accomplish without any letup, reduce the diagnosis basis that damages and obtain enriching more.The laser doppler technology is to utilize the doppler principle of light wave; Utilize laser beam irradiation and write down the light of reflection, transmission, scattering and the data behind the reference light frequency modulation; Come accurately to survey the blood flow velocity and calculating blood flow flow of blood vessel, the laser doppler technology has than the more accurate certainty of measurement of doppler technique; The OCT module utilizes means of optical coherence tomography; Carry out the fault imaging that resolution is carried out with micron level; The vascular flow that obtains blood vessel between meticulous tomography pathological changes image, colon road and wall and tissue substance thereof is dynamically schemed; Tomography pathological changes images between tachogram and colon road and wall etc. are for doctor's diagnosis provides more accurate accurate data support.

Compared with prior art, the beneficial effect of this utility model is:

The laser doppler measuring technique has than the more accurate characteristics of doppler technique, can obtain blood vessel accurate more dynamic image in top layer between colon road and wall; OCT techniques make use means of optical coherence tomography carries out the fault imaging that resolution is carried out with micron level, obtains meticulous tomography pathological changes image.Two images perhaps are simultaneously displayed in the display respectively, can improve the accuracy of diagnosis patient colon road pathological changes, assessment colon road function, further improve the accuracy rate and the success rate of operation.

Description of drawings

The picture that this description of drawings provided is used for assisting the further understanding to this utility model, constitutes the application's a part, does not constitute the improper qualification to this utility model, in the accompanying drawings:

Fig. 1 is the system structure sketch map of this utility model;

Fig. 2 is the structural representation of this utility model electronic colonoscope;

Fig. 3 is the local structure for amplifying sketch map of the first end of this utility model work end.

Diagram:

The specific embodiment

To combine accompanying drawing and practical implementation method to specify this utility model below, be used for explaining this utility model in the schematic enforcement and the explanation of this utility model, but not as the qualification to this utility model.

As shown in Figure 1; The disclosed laser doppler OCT of this utility model electronic colonoscope system; Mainly comprise electronic colonoscope 1 and the cold light source main frame 2 that is connected with this electronic colonoscope 1, shooting main frame 3, laser doppler processing host 4, OCT processing host 5, also comprise operation keyboard or handheld device 6, Doppler and OCT monitor 7 and endoscope's monitor 8 these conventional input-output equipment certainly.

As shown in Figure 1; Reduce cost in order to economize on resources; Shared monitor-Doppler of laser doppler processing host and OCT processing host and OCT monitor 7 show through split screen in the present embodiment, can certainly use different monitors to be used for showing respectively.

Fig. 2 is the structural representation of this utility model electronic colonoscope, and is as shown in the figure, and it comprises conventional structures such as work end 11, operating grip 12, data wire 13, instrument channel 14 and control module 15.Its work end 11 is processed by soft material, and this soft material is selected materials such as flexible medical fibre for use.The diameter of this soft work end is less than or equal to 15 millimeters.

Fig. 3 is the local structure for amplifying sketch map of first end 111 of the work end 11 of this utility model, and so-called first end promptly is the front end position, and its structure is specifically as shown in the figure:

This elder generation end 111 comprises optical fibers 1111 and is arranged at that optical lens 1112 on this optical fibers 1111, apparatus import and export 1113, and telescopic head 1114 that this telescopic head 1114 comprises transparent outer cover and is installed in Laser emission end 11141, laser pick-off end 11142, OCT data acquisition module 11143 and the micromotor 11144 in the transparent outer cover.Wherein, Laser emission end 11141 constitutes the laser doppler data acquisition module with laser pick-off end 11142; Wherein, OCT data acquisition module 11143 comprises the conventional structures such as prism, GRIN Lens and optical fiber tissue that comprise; Wherein, telescopic head 1114 can stretch out the end face with withdrawal work end 11 under the effect of its micromotor 11144, also can at the uniform velocity rotate by 360 degree, observes with convenient.Wherein, use for ease, the diameter of telescopic head 1114 is less than or equal to 3 millimeters, and apparatus is imported and exported 1113 diameters more than or equal to 3 millimeters.Wherein, Optical lens 1112 adopts focal lengths more than or equal to 2.8 millimeters CCD optical lens, the imaging size of the CCD chip of this CCD optical lens be less than or equal to 1/4th inches, valid pixel more than or equal to 480,000, the angle of view is more than or equal to 100 degree.

This utility model with laser doppler module (laser doppler data acquisition module) and OCT module (OCT data acquisition module) under not interferential situation each other; Design Treatment through microminiaturization; Be integrated on the telescopic head 1114 on the first end 111 that is positioned at work end 11; This telescopic head 1114 can be released the end face realization work in addition of work end 11 through the transmission of micromachine 11144, and the inoperative stage is through the transmission of micromachine 11144; In 11 end faces of withdrawal work end, to make the usefulness of protection.

Operation keyboard in this utility model or handheld device 6, its function are that laser doppler main frame and OCT processing host are controlled, and scan mode and display mode etc. such as are switched at effect.

Laser doppler data acquisition module in this utility model and the combined effect of laser doppler processing host; The laser doppler processing host is carried out analyzing and processing to the data that the doppler data acquisition module collects; Can measure the microcirculation blood flow of blood vessel between colon road and wall; Whole microcirculatory perfusion amounts comprise that blood capillary, arteriole, venule and arteriovenous anastomosis prop up, and can monitor senior clinical datas such as microcirculatory hemodynamics variation through computational analysis.Described laser doppler processing host can carry powerful data base and powerful software test bag, to satisfy the different needs of the different purpose doctors of section.

OCT data acquisition module in this utility model and the combined effect of OCT processing host; Colon road that the OCT data acquisition module collected that the OCT processing host is right and wall phantom data and Treatment Analysis in addition; The faultage image that display resolution carries out with micron level, and output to the display demonstration.

Electronic colonoscope in this utility model has possessed all optical observation functions of universal electric colonoscope; Among normal observation carries out or after; Can be through opening laser doppler processing host 4, OCT processing host 5 respectively or simultaneously; The laser doppler data acquisition module and the OCT data acquisition module that start on the telescopic head carry out laser doppler scanning and the observation of OCT tomoscan, and the telescopic head duration of work does not disturb the application of the common function of colonoscope.

More than technical scheme that this utility model embodiment is provided carried out detailed introduction; Used concrete example among this paper principle and the embodiment of this utility model embodiment are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand this utility model embodiment; Simultaneously, for one of ordinary skill in the art, the part that on the specific embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to this utility model.

Claims

1. a laser doppler OCT electronic colonoscope system comprises electronic colonoscope and the cold light source main frame that is connected with this electronic colonoscope and shooting main frame, it is characterized in that:

Said electronic colonoscope is provided with laser doppler data acquisition module and OCT data acquisition module;

On said electronic colonoscope, also be connected with the data that said laser doppler data acquisition module is collected and carry out Doppler's processing host of analyzing and processing;

On said electronic colonoscope, also be connected with the data that said OCT data acquisition module is collected and carry out the OCT processing host of analyzing and processing.

2. laser doppler OCT electronic colonoscope according to claim 1 system is characterized in that:

Said laser doppler data acquisition module comprises Laser emission end and laser pick-off end, and said OCT data acquisition module comprises prism, GRIN Lens and optical fiber tissue.

3. laser doppler OCT electronic colonoscope according to claim 1 system is characterized in that:

Said Doppler's processing host is connected a monitor or the shared monitor of split screen respectively with the OCT processing host.

4. according to each described laser doppler OCT electronic colonoscope system of claim 1 to 3, it is characterized in that:

Said electronic colonoscope comprises work end, operating grip, data wire, instrument channel and control module;

Said laser doppler data acquisition module and OCT data acquisition module are arranged on the electronic colonoscope; Specifically: on the first end of said work end, be provided with one and can stretch out the telescopic head that rotates with withdrawal and 360 degree, said laser doppler data acquisition module and OCT data acquisition module just are arranged in the telescopic head.

5. laser doppler OCT electronic colonoscope according to claim 4 system is characterized in that:

The diameter of said telescopic head is less than or equal to 3 millimeters.

6. laser doppler OCT electronic colonoscope according to claim 4 system is characterized in that:

On the first end of said work end, also being provided with optical fibers, optical lens and apparatus imports and exports.

7. laser doppler OCT electronic colonoscope according to claim 6 system is characterized in that:

Said apparatus is imported and exported diameter more than or equal to 3 millimeters.

8. laser doppler OCT electronic colonoscope according to claim 6 system is characterized in that:

Said work end is processed by soft material, and the diameter of this soft work end is less than or equal to 15 millimeters.

9. laser doppler OCT electronic colonoscope according to claim 6 system is characterized in that:

Said optical lens adopts focal length more than or equal to 2.8 millimeters CCD optical lens, the imaging size of the CCD chip of this CCD optical lens be less than or equal to 1/4th inches, valid pixel more than or equal to 480,000, the angle of view is more than or equal to 100 degree.