CN201182613Y

CN201182613Y - Device for detecting instantaneous speed and accelerated speed of dissection style M-mode echocardiography

Info

Publication number: CN201182613Y
Application number: CNU2008201019664U
Authority: CN
Inventors: 林强
Original assignee: Fuzhou University
Current assignee: Fuzhou University
Priority date: 2008-04-18
Filing date: 2008-04-18
Publication date: 2009-01-21
Anticipated expiration: 2018-04-18

Abstract

The utility model provides a detection device for the instantaneous speed and acceleration of the anatomy M-type cardiogram; the detection device comprises a colorful ultrasonic device and a computer; an anatomy M-type cardiogram data processing and control module, a windowing interception synchronism electro-cardiogram (ECG) module, an edge extracting module, an instantaneous speed generation module and an instantaneous acceleration generation module are installed in the computer. The detection device can measure the motion speeds and accelerations of the structures and parts of the heart in different times so that the motion information of parts of the heart can be revealed deeply without trauma; the detection device provides important scientific evidence for the diagnosis of the heart diseases and the hemodynamic research.

Description

The instantaneous velocity of anatomic type M type kinetocardiogram and the checkout gear of acceleration

Technical field

This utility model relates to the checkout gear of a kind of instantaneous velocity and acceleration, the particularly a kind of instantaneous velocity of anatomic type M type kinetocardiogram and the checkout gear of acceleration.

Background technology

Large number quipments all has the function of anatomic type M type kinetocardiogram in the color ultrasound of current import (being color doppler ultrasonography kinetocardiogram instrument), and it is the mobile oscillogram in time that reconstructs the position of each structure organization of heart on a certain line of direction on two-dimensional ultrasound heart sectional image basis.

Except detecting, the Doppler of original blood flow velocity also realized detection in the color ultrasound of import at present to heart tissue position transient motion speed component on the ultrasonic beam direction, that is to say the tissue Doppler technology, the tissue Doppler Function detection Tissue velocity of existing color ultrasound equipment, owing to it is come because of the frequency deviation conversion that speed produces from the echo frequency of fixed ultrasonic beam, rather than directly measure, the detection movement velocity can only be the velocity component on more fixed beam directions like this, and as long as the frequency deviation that probe can detect all will be converted into speed.The speed of non-detection tissue site is detected also by probe will be converted into the speed detection noise, and the detection of instantaneous acceleration so current tissue Doppler equipment has no idea further to transfer to is exactly because the restriction of tissue Doppler speed accuracy of detection.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of instantaneous velocity of anatomic type M type kinetocardiogram and the checkout gear of acceleration, it can measure each movement velocity and acceleration constantly of each position of each structure of heart exactly, thereby will not have the movable information that wound ground discloses each structure position of heart to a deeper level, detect foundation accurately for the diagnosis heart disease provides.

A kind of instantaneous velocity of anatomic type M type kinetocardiogram and the checkout gear of acceleration, comprise color ultrasound equipment and computer, it is characterized in that computer is equipped with anatomic type M type kinetocardiogram as date processing and control module, window and intercept electrocardiogram (ECG) module, the edge extracting module, instantaneous velocity generation module, instantaneous acceleration generation module.Their annexation is: anatomic type M type kinetocardiogram will be exported to window intercepting electrocardiogram (ECG) module and edge extracting module through the anatomic type M type oscillogram of handling well aroused in interest as date processing and control module, intercepting electrocardiogram (ECG) module of windowing is to be used for beginning to intercept this electrocardiogram (ECG) part with the intercept method of windowing from the initial point of datum line to compare so that be used for, the edge extracting module is handled anatomic type M type oscillogram aroused in interest and is obtained its discrete movable waveform S=S (t) in time, S=S (t) is sent into the instantaneous velocity generation module obtain V=V (t), V=V (t) is sent into the instantaneous acceleration generation module obtain a=a (t).

Described computer comprises also that the data and the oscillogram that are used for that above-mentioned module is generated show, the demonstration storaging printing data administration module of storage, printing and various control and management.

Described anatomic type M type kinetocardiogram comprises as date processing and control module and is used for the anatomic type M type static map aroused in interest of various forms changed and the anatomic type M type image transitions aroused in interest of definite time shaft and the anatomic type M type static map aroused in interest that is extracted, reference system cover half piece, the X that time on the anatomic type M type static map aroused in interest that is used for being extracted and distance scale are scaled current figure, Y direction pixel at interval the time apart from value, thereby make data have comparability the time apart from sign conversion, calibration module can begin to intercept from the initial point of datum line with the intercept method of windowing and chosenly will make speed, the anatomic type M type of the choosing oscillogram module aroused in interest of a certain anatomic type M type oscillogram aroused in interest of acceleration detection tissue.

Described edge extracting module comprises a wire template.

The vertical direction that described wire template is general edge detection template detects template.

This utility model provides a kind of can detect relax each device of the data of mobile range, instantaneous velocity, instantaneous acceleration and cavity wall thickness and change procedure thereof constantly on intracardiac each structure in the compression process such as the position points such as chamber wall, blood vessel of heart, and this is the directly accurately detection to data in the heart movements such as systolic and diastolic function of each structure of heart, deformation data and the process thereof (data of comparing when comprising).The Doppler of the up-to-date in the world ventricular wall motion (can only measure speed) of its contrast detects has not the recipient to restriction be not to be converted to speed through other parameters (as frequency), but the two big advantages of directly measuring, for this reason, it will have significant meaning to the diagnosis and the hemodynamic research of heart disease.

Description of drawings

Below in conjunction with accompanying drawing this utility model embodiment is further described.

Be illustrated as checkout gear structure chart of the present utility model.

The specific embodiment

The detection of carrying out anatomic type M type kinetocardiogram instantaneous velocity and acceleration of the checkout gear of anatomic type M type kinetocardiogram instantaneous velocity and acceleration comprises following steps as shown:

1. will or be stored in the various dishes or from color ultrasound output and (JPG arranged from the anatomic type M type static map aroused in interest that network or E-mail or the like method obtains, forms such as BMP) enter anatomic type M type image processing module aroused in interest, the anatomic type M type static map aroused in interest of the anatomic type M type image transitions aroused in interest in the anatomic type M type image processing module aroused in interest, the various forms that reference system cover half piece will be come in all is converted to BMP form static map, and the datum line of definite time shaft (initial point) and the anatomic type M type static map aroused in interest that is extracted.The time time on the anatomic type M type static map aroused in interest that is extracted and distance scale are scaled current figure apart from sign, calibration module X, Y direction pixel at interval the time apart from value, thereby reach the conversion of the actual displacement benchmark metric unit (centimetre etc.) of the pixel number that (y, x axle) on the static map can measure and time reference linear module (second etc.), thereby make these data have comparability, knowability.Choose anatomic type M type oscillogram module aroused in interest and can begin to intercept the chosen a certain anatomic type M type oscillogram aroused in interest that will make speed, acceleration detection tissue from the initial point of datum line with the intercept method of windowing; This operation can repeatedly intercept from the anatomic type M type static map aroused in interest that is extracted, a plurality of anatomic type M types oscillogram aroused in interest of selected corresponding different tissues.

2. intercepting electrocardiogram (ECG) module of windowing begins to intercept this electrocardiogram (ECG) part with the intercept method of windowing from the initial point of datum line.

3. each anatomic type M type oscillogram aroused in interest of above electrocardiogram (ECG) and corresponding different tissues is numbered respectively, and sends demonstration, storage, print data management module to so that demonstration, storage, printing and various control and management.

4. the anatomic type M type oscillogram aroused in interest of choosing a certain numbering enters the edge extracting module, wire template in the edge extracting module (the wire template is that the vertical direction of general edge detection template detects template, and it can be used for detecting from top to bottom the kinematic wave form point of representing this this moment of position of heart structure) is handled back output to organizing movable in time waveform.Because the basis that this activity waveform is following detection, and ultrasonic accent brightness type waveform display quality not really desirable sometimes (as phenomenon such as occurring coming off), so also having carried out processing such as filtering, manual intervention, this module obtains effects such as denoising, continuously smooth, thereby obtain this tissue a part in time discrete movable waveform or be called the discrete function of this histokinesis, i.e. S=S (t).

5. S (t) being sent to the instantaneous velocity generation module carries out single order discrete function differential and gets: the detection of V=Δ s/ Δ t=V (t) instantaneous velocity.

6. V (t) being sent to the differential that the instantaneous acceleration generation module carries out the single order discrete function again gets: the detection of a=Δ v/ Δ t=a (t) instantaneous acceleration.

7. S=S (t), V=V (t), a=a (t) are pressed the discrete function of former sample rate respectively, be sent to demonstration, storage, print data management module after the processing such as smoothed filtering.

8. image, figure and the various coherent detection result data that enters demonstration, storage, print data management module according to user require controlledly carry out relevant work with printer with the hard disk of transferring in computer and peripheral hardware, display.

Claims

1. the instantaneous velocity of an anatomic type M type kinetocardiogram and the checkout gear of instantaneous acceleration, comprise computer, it is characterized in that computer is equipped with anatomic type M type kinetocardiogram as date processing and control module, window and intercept electrocardiogram (ECG) module, the edge extracting module, instantaneous velocity generation module, instantaneous acceleration generation module; Their annexation is: anatomic type M type kinetocardiogram will be exported to window intercepting electrocardiogram (ECG) module and edge extracting module through the anatomic type M type oscillogram of handling well aroused in interest as date processing and control module, intercepting electrocardiogram (ECG) module of windowing is to be used for beginning to intercept this electrocardiogram (ECG) part with the intercept method of windowing from the initial point of datum line to compare so that be used for, the edge extracting module is handled anatomic type M type oscillogram aroused in interest and is obtained its discrete movable waveform S=S (t) in time, S=S (t) is sent into the instantaneous velocity generation module obtain V=V (t), V=V (t) is sent into the instantaneous acceleration generation module obtain a=a (t).

2. the checkout gear of anatomic type M type kinetocardiogram instantaneous velocity according to claim 1 and acceleration is characterized in that computer comprises also that the data and the oscillogram that are used for that above-mentioned module is generated show, the demonstration storaging printing data administration module of storage, printing and various control and management.

3. the checkout gear of anatomic type M type kinetocardiogram instantaneous velocity according to claim 1 and acceleration, it is characterized in that described anatomic type M type kinetocardiogram comprises as date processing and control module is used for the anatomic type M type static map aroused in interest of various forms changed and the anatomic type M type image transitions aroused in interest of definite time shaft and the anatomic type M type static map aroused in interest that is extracted, reference system cover half piece, the X that time on the anatomic type M type static map aroused in interest that is used for being extracted and distance scale are scaled current figure, Y direction pixel at interval the time apart from value, thereby make data have comparability the time apart from sign conversion, calibration module can begin to intercept from the initial point of datum line with the intercept method of windowing and chosenly will make speed, the anatomic type M type of the choosing oscillogram module aroused in interest of a certain anatomic type M type oscillogram aroused in interest of acceleration detection tissue.

4. the checkout gear of anatomic type M type kinetocardiogram instantaneous velocity according to claim 1 and acceleration is characterized in that its edge extracting module comprises a wire template.

5. the checkout gear of anatomic type M type kinetocardiogram instantaneous velocity according to claim 3 and acceleration is characterized in that the vertical direction that described wire template is general edge detection template detects template.