CN202437082U - Doppler laser optical coherence tomography (OCT) arthroscopy system - Google Patents

Abstract

The utility model belongs to the field of medical equipment, and specifically discloses a Doppler laser optical coherence tomography (OCT) arthroscopy system. The Doppler laser OCT arthroscopy system comprises an arthroscope, a cold light source host and a camera host, wherein the cold light source host and the camera host are both connected with the arthroscope. A Doppler laser data acquisition module and an OCT data acquisition module are both arranged on the arthroscope. The arthroscope is connected with a Doppler processing host which analyzes and processes the data collected by the Doppler laser data acquisition module, and the arthroscope is also connected with an OCT processing host which analyzes and processes the data collected by the OCT data acquisition module. The Doppler laser OCT arthroscopy system combines the Doppler laser data acquisition module and the OCT data acquisition module into a mixed module - a telescopic head, obtains more accurate dynamic images and more refined fault lesion images of an articular cavity and surface vessels between parietes by combining processing of the Doppler processing host and the OCT processing host, and provides more precise and accurate data support to doctors for diagnosis and treatment.

Description

Laser doppler OCT arthroscope system

Technical field

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

Background technology

Arthroscope; It is the important medical apparatus and instruments of current diagnosis joint disease; It is through the electronic image pickup device that is installed on its front end image between articular cavity and wall to be transmitted in the electronic computer processing center, after be shown on the monitor screen, can be observed the minor variations between articular cavity and wall.

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 arthroscope, still there are not fine application laser doppler technology and OCT technology.If; Arthroscope 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 articular cavity and wall further improve the accuracy of diagnosis and the success rate of treatment.

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

The utility model content

The purpose of this utility model is to provide a kind of laser doppler OCT arthroscope 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 articular cavity 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 arthroscope system; Comprise arthroscope and the cold light source main frame that is connected with this arthroscope and shooting main frame; Said arthroscope is provided with laser doppler data acquisition module and OCT data acquisition module; On said arthroscope, 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 arthroscope, 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 arthroscope 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 arthroscope 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 arthroscope system, its arthroscope comprises work end, cold light source joint, data connector and control module; Said laser doppler data acquisition module and OCT data acquisition module are arranged on the arthroscope; 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 arthroscope system, the diameter of its telescopic head is smaller or equal to 3 millimeters.

In the said laser doppler OCT arthroscope system, on the first end of said work end, also be provided with optical fibers and optical lens.

In the said laser doppler OCT arthroscope system, its work end is processed by hard material, and the first end of this hard work end is blunt type, and the diameter of this hard work end is the 150-220 millimeter smaller or equal to 12 millimeters, length.

In the said laser doppler OCT arthroscope 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 articular cavity and wall, and the tomography pathological changes image between tachogram and articular cavity 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 articular cavity 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 arthropathy, assessment function of joint, 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 Arthroscopic structural representation of this utility model;

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

1, arthroscope 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, control module

111,first end 1111, optical fibers

1112,optical lens 1113, telescopic head

11131,Laser emission end 11132, laser pick-off end

11133, OCTdata acquisition module 11134, 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 arthroscope system; Mainly comprise arthroscope 1 and the cold light source main frame 2 that is connected with this arthroscope 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 Arthroscopic structural representation of this utility model, and is as shown in the figure, and it comprises that said arthroscope comprises work end 11, coldlight source joint 12,data connector 13 and control module 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 150-220 millimeter smaller or equal to 12 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.

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 and thetelescopic head 1113 on thisoptical fibers 1111 that thistelescopic head 1113 comprises transparent outer cover and is installed inLaser emission end 11131, laser pick-off end 11132, OCTdata acquisition module 11133 and themicromotor 11134 in the transparent outer cover.Wherein,Laser emission end 11131 constitutes the laser doppler data acquisition module with laser pick-off end 11132; Wherein, OCTdata acquisition module 11133 comprises the conventional structures such as prism, GRIN Lens and optical fiber tissue that comprise; Wherein,telescopic head 1113 can stretch out the end face withwithdrawal work end 11 under the effect of itsmicromotor 11134, also can at the uniform velocity rotate by 360 degree, observes with convenient.Wherein, use for ease, the diameter oftelescopic head 1113 is smaller or equal to 3 millimeters; Wherein, it is the CCD optical lens of 1.5-3.0 millimeter thatoptical lens 1112 adopts focal lengths, 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.

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 1113 on thefirst end 111 that is positioned atwork end 11; Thistelescopic head 1113 can be released the end face realization work in addition ofwork end 11 through the transmission ofmicromachine 11134, and the inoperative stage is through the transmission ofmicromachine 11134; 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 articular cavity 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; Articular cavity 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.

Arthroscope in this utility model has possessed all optical observation functions of universal joint 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 Arthroscopic common function.

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 arthroscope system comprises arthroscope and the cold light source main frame that is connected with this arthroscope and shooting main frame, it is characterized in that:

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

On said arthroscope, 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 arthroscope, 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 arthroscope 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 arthroscope 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 arthroscope system of claim 1 to 3, it is characterized in that:

Said arthroscope comprises work end, cold light source joint, data connector and control module;

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

On the first end of said work end, also be provided with optical fibers and optical lens.

7. laser doppler OCT arthroscope 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, and the diameter of this hard work end is the 150-220 millimeter smaller or equal to 12 millimeters, length.

8. laser doppler OCT arthroscope 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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