CN202426504U - Doppler laser OCT (optical coherence tomography) anorectal endoscope system - Google Patents

Abstract

The utility model belongs to the field of medical instruments and particularly discloses a Doppler laser OCT (optical coherence tomography) anorectal endoscope system. The Doppler laser OCT anorectal endoscope system comprises an anorectal endoscope, as well as a cold light source main machine and a camera main machine which are connected with the anorectal endoscope, wherein the anorectal endoscope is provided with a Doppler laser data acquisition module and an OCT data acquisition module; and the anorectal endoscope is also connected with a Doppler processing main machine for analyzing and processing data acquired by the Doppler laser data acquisition module, and an OCT processing main machine for analyzing and processing data acquired by the OCT data acquisition module. The Doppler laser data acquisition module and the OCT data acquisition module are integrated on a flexible head of a mixed module; and by coordination and processing with the Doppler processing main machine and the OCT processing main machine, more precise dynamic images of surface blood vessels among anorectal walls and finer tomography lesion images are obtained, therefore precise data support is provided for diagnosis and treatment of doctors.

Description

Laser doppler OCT enteroscope system

Technical field

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

Background technology

The anorectal mirror; It is the important medical apparatus and instruments of current diagnosis anorectal tract disease; It is through the electronic image pickup device that is installed on its front end image between the anus intestinal walls to be transmitted in the electronic computer processing center, after be shown on the monitor screen, can be observed the minor variations between the anus intestinal walls.

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 the anorectal mirror, still there are not fine application laser doppler technology and OCT technology.If; The anorectal mirror 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 the anus intestinal walls further improve the accuracy of diagnosis and the success rate of treatment.

Therefore, design is a kind of extremely urgent with the enteroscope system that laser doppler is technological, OCT is technological to be used in combination with the anorectal mirror.

The utility model content

The purpose of this utility model is to provide a kind of laser doppler OCT enteroscope 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 the anus intestinal walls 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 enteroscope system; Comprise anorectal mirror and the cold light source main frame that is connected with this anorectal mirror and shooting main frame; Said anorectal mirror is provided with laser doppler data acquisition module and OCT data acquisition module; On said anorectal mirror, also be connected with Doppler's processing host that the data that said laser doppler data acquisition module is collected are carried out analyzing and processing, on said anorectal mirror, 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 enteroscope 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 enteroscope 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 enteroscope system, its anorectal mirror comprises work end, cold light source joint, data connector, control module and instrument channel; Said laser doppler data acquisition module and OCT data acquisition module are arranged on the anorectal mirror; 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 enteroscope system, the diameter of its telescopic head is smaller or equal to 3 millimeters.

In the said laser doppler OCT enteroscope 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 enteroscope system, its work end is processed by hard material, and the first end of this hard work end is blunt type; The diameter of this hard work end is the 300-450 millimeter smaller or equal to 20 millimeters, length.

In the said laser doppler OCT enteroscope system; It is the CCD optical lens of 1.5-3.0 millimeter that its optical lens adopts focal length, the imaging size of the CCD chip of this CCD optical lens smaller 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, carries out the fault imaging that resolution is carried out with micron level, obtains meticulous tomography pathological changes image.The vascular flow of blood vessel and tissue substance thereof is dynamically schemed between the anus intestinal walls, and the tomography pathological changes image between tachogram and anus intestinal walls 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 the anus intestinal walls; 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 anorectal road pathological changes, assessment anorectal 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 anorectal mirror;

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

1, anorectal mirror 2, cold light source main frame

3, shooting main frame 4, laser doppler processing host

5, OCT processing host 6, operation keyboard or handheld device

7, Doppler and OCT monitor 8, endoscope's monitor

11,work end 12, cold light source joint

13,data connector 14, instrument channel

15,control module 111, first end

1111,optical fibers 1112, optical lens

1113,apparatus turnover 1114, telescopic head

11141,Laser emission end 11142, laser pick-off end

11143, OCTdata acquisition module 11144, micromotor

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 enteroscope system; Mainly comprise anorectal mirror 1 and the cold light source main frame 2 that is connected with this anorectal mirror 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 anorectal mirror, and is as shown in the figure, and it comprises that said anorectal mirror comprises work end 11, coldlight source joint 12,data connector 13, control module 15 and instrument channel 14.Itswork end 11 is processed by hard material, and this hard material is selected materials such as medical stainless steel for use.The diameter of this hard work end is the 300-450 millimeter smaller or equal to 20 millimeters, length;Elder generation end 111 is for fear of the needs of damage mucosal tissue; Need be designed to blunt type to first end; So-called blunt type is for there are stiff corner angle in head, such as circular, oval or other do not have the shape of stiff corner angle; It is the CCD optical lens of 1.5-3.0 millimeter that optical lens on the said work end adopts focal length, the imaging size of the CCD chip of this CCD optical lens smaller 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.

Fig. 3 is the local structure for amplifying sketch map offirst end 111 of thework 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:

Thiselder generation end 111 comprisesoptical fibers 1111 and is arranged atoptical lens 1112, apparatus import andexport 1113 and thetelescopic head 1114 on thisoptical fibers 1111 that thistelescopic head 1114 comprises transparent outer cover and is installed inLaser emission end 11141, laser pick-off end 11142, OCTdata acquisition module 11143 and themicromotor 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, OCTdata 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 withwithdrawal work end 11 under the effect of itsmicromotor 11144, also can at the uniform velocity rotate by 360 degree, observes with convenient.Wherein, use for ease, the diameter oftelescopic head 1114 is smaller or equal to 3 millimeters.

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 thetelescopic head 1114 on thefirst end 111 that is positioned atwork end 11; Thistelescopic head 1114 can be released the end face realization work in addition ofwork end 11 through the transmission ofmicromachine 11144, and the inoperative stage is through the transmission ofmicromachine 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 the anus intestinal walls; 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; Right anus intestinal walls phantom data that the OCT data acquisition module collected of OCT processing host and Treatment Analysis in addition; The faultage image that display resolution carries out with micron level, and output to the display demonstration.

Anorectal mirror in this utility model has possessed all optical observation functions of general anorectal mirror; 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 anorectal mirror.

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, according to this utility model embodiment, 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 (8)

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

Said anorectal mirror is provided with laser doppler data acquisition module and OCT data acquisition module;

On said anorectal mirror, also be connected with Doppler's processing host that the data that said laser doppler data acquisition module is collected are carried out analyzing and processing;

On said anorectal mirror, 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.

2. laser doppler OCT enteroscope system according to claim 1 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 enteroscope system according to claim 1 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 enteroscope system of claim 1 to 3, it is characterized in that:

Said anorectal mirror comprises work end, cold light source joint, data connector, control module and instrument channel;

Said laser doppler data acquisition module and OCT data acquisition module are arranged on the anorectal mirror; 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 enteroscope system according to claim 4 is characterized in that:

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

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

Said work end is processed by hard material, and the first end of this hard work end is blunt type;

The diameter of this hard work end is the 300-450 millimeter smaller or equal to 20 millimeters, length.

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

It is the CCD optical lens of 1.5-3.0 millimeter that said optical lens adopts focal length, the imaging size of the CCD chip of this CCD optical lens smaller 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.

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