CN1102371C - Stereo electrocardiogram forming method and instrument thereof - Google Patents

Stereo electrocardiogram forming method and instrument thereof Download PDF

Info

Publication number
CN1102371C
CN1102371C CN 98117316 CN98117316A CN1102371C CN 1102371 C CN1102371 C CN 1102371C CN 98117316 CN98117316 CN 98117316 CN 98117316 A CN98117316 A CN 98117316A CN 1102371 C CN1102371 C CN 1102371C
Authority
CN
China
Prior art keywords
heart
axis
lead
stereo
constitute
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 98117316
Other languages
Chinese (zh)
Other versions
CN1206580A (en
Inventor
赵峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Oriental Zhongyuan Digital Technology Co., Ltd.
Original Assignee
赵峰
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 赵峰 filed Critical 赵峰
Priority to CN 98117316 priority Critical patent/CN1102371C/en
Publication of CN1206580A publication Critical patent/CN1206580A/en
Application granted granted Critical
Publication of CN1102371C publication Critical patent/CN1102371C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The present invention relates to an imaging method of a stereo electrocardiogram, which comprises the steps that the actual internal anatomical diagram of the heart and the actual internal anatomical section diagrams of the heart are scanned, synthesized and processed to form a stereo image which is stored in an imaging instrument by utilizing computer technology and stereo imaging technology; the biological current space activity actually measured of the heart is placed on the anatomical diagram of the heart or the stereo image of the biological current space activity of the heart is independently displayed in various forms, and the stereo image can be freely observed by rotating any angle, and meanwhile, the stereo image can be vividly and visually marked with different colors by utilizing the characteristic of the consistent phase relation of the diffusion variation and the cardioelectric transient variation of local myocardium depolarization.

Description

The formation method of Stereo ECG and imager
The present invention relates to a kind of medical inspection diagnostic method and instrument, relate to the Stereo ECG formation method and the imager of modern medical diagnosis heart biology electrical activity or rather.
At present means such as the inspection of modern medicine science, examination are moved towards the three dimensions technical field from one dimension just gradually, as technological means such as B ultrasonic, nuclear magnetic resonance, NMR, make the diagnosis of disease science, more directly perceived, more accurate more.And be used to diagnose the electrocardiogram of heart biology electrical activity also to experience from the development and change of the Stereo ECG (3DIECG) of one-dimensional linear electrocardiogram (ECG), two dimensional surface ring vectorcardiogram (VCG) and three-dimensional space expression, representing three developmental stage respectively.
The method that one-dimensional linear is wherein expressed the heart biology electrical activity is the positive and negative potential difference of record heart point-to-point transmission, lay particular emphasis on the suitable inverse time phase relation and the simple P-QRS-T waveform of conducting system of heart, explain the atrium, the multipole that removes of ventricular muscles changes, have simple, practical, popularize advantages such as reaching abundant information, so far be still the main body of clinical electrocardiography, its shortcoming is can't reflect solid space careful, local and whole myocardial electrical activity expands problems such as cloth characteristics and myocardial structural anisotropy, and the angle blind area (135 °) that exists V1 and V6 to lead, can not reflect actual electrocardio-activity in 360 ° of stereoscopic and omnibearing ground, its amplitude is also inaccurate, be difficult to provide and differentiate and the required a large amount of precise informations of diagnosis of complex heart disease, many clinical pictures that are difficult to get across are difficult to satisfy the requirement of carrying out the correct consultation of doctors of expert by computer network.
Vectorcardiogram is proofreaied and correct lead system according to tiltedly triangle theory and lead vector conceptual design, has accumulated the data of enriching in planar rings monocycle vectorcardiogram mode, thus remedied traditional electrocardiogram clinical and theoretical in a large amount of defectives.Because the two dimensional surface ring is with transverse axis X, vertical pivot Y and antero posterior axis Z intersect vertically mutually and write down electrocardio-activity, set up three-dimensional pattern in theory, but in fact be still with the plane vector ring, tracing of monocycle form, not only can not trace continuously to solve ARR diagnosis problem, and from three planes, be face amount F, plane of structure H and side S, the density that can not find out instantaneous time lacrimal point reality changes, there is visual angle lacrimal point overlapping phenomenon, so be difficult to accurately judge that the regional myocardial depolarization expands the instantaneous time variation of cloth, can not show the position corresponding relation between heart stereo biological electricity ring body and the anatomical cardiac live telecast visual pattern, the accurate diagnosis effect of solid space can not be given play to, the clinical more practical significance that brings can not be given.
For a long time, people exploring always, seeking a kind of can stereoscopic and omnibearing the three-dimensional anatomical structure of ground reflection heart, three-dimensional cardiac electrical activity, the conducting system technological means such as three-dimensional mapping during along inverse time phase relation and myocardium bio electricity expansion cloth, and make electrocardiogram reach the requirement of integration, detailed-oriented, visualize and accuracy.
Develop rapidly along with science and technology, electrocardiograph has also experienced the renewal of several generations product, as string of a musical instrument type, coil rotation, directly trace type, cathode ray tube type etc., until now electronic computer technology, electronic computer Aided Design, three-dimensional imaging etc., development of high-tech has promoted medical science applied development, and has guaranteed that various modern medical detection meanss are implemented.
The objective of the invention is to design a kind of formation method and imager of Stereo ECG, with three-dimension space image inspections and examinations heart biology electrical activity, reduction is the anatomical structure and the function characteristics of one originally, energy three-dimensionally reflects the phase relation between heart biology electrical activity and real heart anatomical position in all directions, the suitable inverse time phase relation of conducting system of heart, the local myocardial depolarization expands the corresponding relation of cloth in variation of electrocardio instantaneous time and the myocardial structural, theoretic spatial heart vector loop is become visual three-dimensional ring directly perceived, and by rotation variation at any angle, and can carefully observe instantaneous time lacrimal point density situation of change exactly.
The object of the present invention is achieved like this: the formation method of Stereo ECG is characterized in that may further comprise the steps:
A. each sectional drawing that the actual inside of the actual whole internal anatomy of heart and heart is dissected through scanning, syntheticly be processed into 3-D view and be stored in the imager;
B. lead existing 12 and increase FrankShi 7 electrode systems on electrocardio Figure 10 root electrode wires basis, wherein Y-axis is anodal with electrocardiogram left side ankle electrode and connect, constitute the input lead system of 16 electrode wires, synchronously or decompose ground and get 12 lead electrocardiogram (ECG) signals and quadrature or orthogonal or X, Y, Z ECG signal, from human body surface through amplification, filtering, gain-adjusted, photoelectricity isolate, sampling keeps and analog to digital conversion is stored in the imager;
C. control electronic analog swtich and will lead electrocardiosignal that input system obtains synchronously or decompose and extract 12 and lead electrocardiogram on demand by 16, the 3 correctings electrograph of laying one's heart bear, 9 lead Stereo ECG, constitute face amount F by X-axis and Y-axis, and with Y-axis respectively with 25,50,75, the speed of 100 mm/second is drawn back continuously with time shaft, constitute timed vectorcardiogram, simultaneously again with the X-axis of F face and Y-axis with 90 ° of anticlockwise reverses, X-axis was drawn back by the time, form the break-in timed vectorcardiogram, constitute plane of structure H with X-axis and Z axle, constitute side S with Y-axis and Z axle, turn to 90 ° of processing through software again, constitute 6 timed vectorcardiograms that lead 3 faces, break-in timed vectorcardiogram and F, H, three each cardiac cycles of face of S do not turn to, by shooting or the continuously vectorcardiogram that draws back continuously of countershaft at any time not, and finish nine Stereo ECGs of general designation that lead;
D. the 3-D view lining of heart integral body that step a is obtained and tangent plane is on the Stereo ECG of being finished by step c, and utilize myocardium bio electricity depolarization to change with the characteristics of cardiac muscle bio electricity expansion cloth corresponding relation unanimity to come out with different color marks, trace record for the display demonstration or for drawing apparatus, heat-sensitive recorder.
6 lines that lead in described 16 lead systems comprise negative electrode and 1 correcting electrode of the positive and negative electrode of 4 X-axis, Z axle, 1 Y-axis, and the Y-axis anelectrode leads in parallel with electrocardiogram II.
Described step c also comprises the sample frequency according to X, Y, three axles of Z, when myocardium depolarization expands cloth, is blocked at regular intervals and once indicates the time, demonstrates instantaneous time orientation, amplitude and angle in " lacrimal point " mode.
Described steps d comprises that also with decussation plate and anatomical cardiac three-dimensional line form be lining, demonstrates the aerial image of heart biology electrical activity separately.
The present invention obtains needed signal by designing 16 passage lead systems from human body surface, adopt computer technology, Computer-aided Design Technology and three-dimensional imaging technology, traditional vectorcardiogram with plane expression heart biology electricity converted to use the three-dimensional space graph expression, serve as a contrast simultaneously with the actual dissection of heart figure, and come out with different color marks, the anatomical features of high unity heart and functional character, avoided in traditional electrocardiogram using simple P-QRS-T wave form varies and by rule of thumb and the reasoning and judging of work, make cardiopathic diagnosis more directly perceived, careful, comprehensive and accurate, from time domain, spatial domain, multi-angles such as time-space domain and instantaneous time territory, multi-level comprehensive heart biology electrical activity of observing three-dimensionally, and can add in the expert intelligence diagnostic system.The present invention intends the work of soft switch and carries out date processing with the microcomputer controlled electro submodule, finally demonstrate three dimensions cardiac electrical activity image with display screen, can trace the 24 electrocardio-activity figure that lead continuously by monitor or the synchronous selection of drawing apparatus, i.e. 12 lead electrocardiogram, 3 orthogonal ECG, the 9 break-in timed vectorcardiogram that leads that leads also can be traced timed vectorcardiogram, vectorcardiogram, decomposition/amplification vectorcardiogram and Stereo ECG picture continuously.
Further specify technology of the present invention below in conjunction with embodiment and accompanying drawing
Fig. 1 is an imager structural principle block diagram of implementing Stereo ECG formation method of the present invention
Referring to Fig. 1, imager comprises that 16 lead systems 1,16 isolation levels 2, resistance of being made of 16 lines lead and selects network 3, the soft switch 4 of electronic simulation, preamplifier 5, wave filter 6, fader 7, photoisolator 8, sampling holder 9, A-D converter (A/D) 10, pico computer 11 (CA D), digital-to-analog converter (D/A) 12 and drawing apparatus or heat-sensitive recorder 13.
16 lead systems 1 are got 16 road signals from human body, delivering to resistance by isolation level 2 separately respectively leads and selects network 3, output contains the signal of telecommunication of 12 lead electrocardiogram (ECG) signals and orthogonal ECG signal to the soft switch 4 of electronic simulation, can be according to clinical needs, by the command signal of operator by input regulations such as keyboard or Genius mouses, select the various composite signal of leading or lead of output by the soft switch 4 of pico computer 11 control electronic simulations, and send preamplifier 5 separately.Preamplifier 5 has the characteristics of high input impedance, high-gain, high cmrr, the microvolt level signal of body surface can be amplified more than 1000 times without distortion.Wave filter 6 is used to filter high-frequency noise and 50HZ noise, signal can satisfy different use needs through one-level gain-adjusted 7, send photoelectricity isolation level 8 then, make before the isolation level " " with microcomputer " " keep apart, can reduce earth-return, reduce interference noise, with prestage and isolated from power, guarantee the safety of tested human body simultaneously.Signal is sent to sampling holder 9 by the photoelectricity isolation level, and each road signal of 10 pairs of sampling holders of A-D converter, 9 outputs takes turns to carry out the A/D conversion, sends into microcomputer memory then.Handle by the data of 11 pairs of internal memories of microcomputer as required afterwards, convert analogue signal to by digital to analog converter 12 at last and send drawing apparatus or heat-sensitive recorder 13, depict required various electrocardio-activity figures.
But imager stereoscopic and omnibearing of the present invention ground reflect phase relation between heart biology electrical activity and real heart anatomical position, conducting system of heart suitable inverse time relation, the electrocardio instantaneous time changes with myocardial structural in the local myocardial depolarization expand the cloth corresponding relation, theoretic space electrocardial vector planar rings is become the three-dimensional intuitively ring of naked eyes, can change with arbitrarily angled random rotation, so that the careful instantaneous time lacrimal point density situation of change of observing exactly; Heart integral body is write down, synthesizes and handle, be stored in the pico computer with scanner with Topographic different tangent plane figure, and mark myocardium first after-depolarization expansion cloth rule, make its visualize more with different colours; Go out 12 by 16 passage synchronized samplings and lead the lead bipolar lead signal of orthogonal ECG of Electrocardiographic unipolar lead and 3, can trace out 24 ecg curves, arbitrarily sync, decomposition, amplification traced 12 for a long time and led electrocardiogram, orthogonal ECG, break-in timed vectorcardiogram, timed vectorcardiogram and decomposition/amplification electrocardio-activity figure.The Stereo ECG that will obtain through the inventive method, again by establishment expert intelligence analysis software, to a large amount of heart informations that obtain do quantitatively, analyzing and diagnosing qualitatively, and realize formization, patterned automatic diagnosis.
16 lead systems in the inventive method are led existing 12 increases by 6 Frank ' s electrode systems formations again on electrocardio Figure 10 root electrode wires basis.Preamplifier 5 is the integral structures that become through optimum organization by traditional electrocardio and mind-set amount amplifier.Adopt computer technology that each lead signals is carried out analog digital conversion, sampling and storage, the software by special establishment carries out a series of algorithm process and digital to analog conversion to signal.Intend switch by the microcomputer controlled electro submodule, the electrocardiosignal that 16 lead systems are obtained synchronously on demand/decompose and extract 12 and lead electrocardiogram, the 3 correctings electrograph and 9 of laying one's heart bear and lead Stereo ECG, constitute the F face by X-axis and Y-axis, and Y-axis is drawn back the formation time vectorcardiogram with the speed of 25,50,75,100 mm/second with time shaft respectively continuously; While is reversed 90 ° with the X-axis and the Y-axis inhour of F face again, draws back by the time with X-axis, forms break-in timed vectorcardiogram (changed TVCG/C-TVCG), and the instantaneous time lacrimal point of initial myocardium depolarization changes and maximum is vectorial to the right left so that clearly observe; Constitute the H face by X-axis and Z axle, Y-axis and Z axle constitute the S face, turn to 90 ° by the same method processing by software respectively again.The timed vectorcardiogram and the break-in timed vectorcardiogram of 63 faces that lead have so just been constituted, and 3 lead by shooting or continuously vectorcardiogram be meant that three face F, H, each cardiac cycle of S do not turn to, the by shooting or continuously vectorcardiogram that draws back continuously of countershaft at any time not, finish nine Stereo ECGs of general designation that lead thus.
Decomposition among the present invention/amplification vectorcardiogram is meant that employing computer software programming amplifies P, the QRS of each heart beat cycle and T ring respectively and permutation and combination, so that observe the slight change that atrium/ventricular muscles expands cloth meticulously.
The continuous recording electrocardiosignal of 24 passages of the present invention can arbitrarily be set continuous sampling, storage and random playback in the unit interval for a long time.And 3-D view is handled by computer technology and Computer-aided Design Technology.
Stereo ECG of the present invention looks like to give expression to the content of three aspects: heart stereo structure outward appearance and inner different tangent plane anatomical structures; The activity of stereo display heart biology electricity; Colored Effect on Detecting when local myocardial expands cloth.The expression of foregoing is to adopt suitable coordinate system, according to cardioanatomy collection of illustrative plates and real heart anatomical results, with the heart solid space bio electricity of X, Y, three axle labellings of Z with expand the corresponding relation of cloth with instantaneous time heart biology electricity and local myocardial through experiment confirm, make three-dimensional modeling, be further developed into perspective view again, make stereoeffect, eliminate hidden line/face, surfacing is compiled picture (illumination model), finish the 3 D stereo EGC pattern at last.Also can pass through the human computer conversation during enforcement, draw out the decomposition figure through modification, show electrocardio space each vector moment size, angle, area, ratio, orientation, turn to, bulk informations such as time, speed, and to its make quantitatively, qualitative analysis.
Can trace out 12 synchronously continuously with heat-sensitive recorder and lead electrocardiogram, orthogonal ECG and Stereo ECG etc., with drawing apparatus can be arbitrarily individual or copy out various solid figures and diagnosis report continuously.The also available high resolution display of electrocardiosignal of being kept in mind and Stereo ECG picture shows observation.

Claims (1)

1, a kind of formation method of Stereo ECG is characterized in that may further comprise the steps:
A, with each tangent plane of the actual inside internal anatomy of the actual whole internal anatomy of heart and heart through scanning, syntheticly be processed into 3-D view and be stored in the imager;
B, lead existing 12 and to increase FrankShi 7 electrode systems on electrocardio Figure 10 root electrode wires basis, wherein the Y-axis anelectrode is in parallel with electrocardiogram left side ankle electrode, constitute the input lead system of 16 electrode wires, synchronously or decompose ground and get 12 lead electrocardiogram (ECG) signals and quadrature or orthogonal or X, Y, Z ECG signal, from human body surface through amplification, filtering, gain-adjusted, photoelectricity isolate, sampling keeps and analog to digital conversion is stored in the imager;
C, the electrocardiosignal that the control electronic analog swtich will be obtained by the input lead system of 16 electrode wires synchronously or decompose and extract 12 and lead electrocardiogram on demand, the 3 correctings electrograph of laying one's heart bear, 9 lead Stereo ECG, constitute face amount F by X-axis and Y-axis, and with Y-axis respectively with 25,50,75, the speed of 100 mm/second is drawn back continuously with time shaft, constitute timed vectorcardiogram, simultaneously again with the X-axis of F face and Y-axis with 90 ° of anticlockwise reverses, X-axis was drawn back by the time, constitute the break-in timed vectorcardiogram, constitute plane of structure H with X-axis and Z axle, constitute side S with Y-axis and Z axle, turn to 90 ° of processing through software again, constitute 63 the face timed vectorcardiograms that lead, break-in timed vectorcardiogram and F, H, three each cardiac cycles of face of S do not turn to, by shooting or the continuously vectorcardiogram that draws back continuously of countershaft at any time not, and finish nine Stereo ECGs of general designation that lead;
D, the 3-D view of heart integral body that step a obtained and tangent plane is lining, or be lining with decussation plate and anatomical cardiac three-dimensional line form, lining is on the Stereo ECG of being finished by step c, demonstrate the aerial image of heart biology electrical activity, according to X, Y, the sample frequency of Z axle, block cardiac electrical running time at regular intervals, demonstrate the time of moment mind-set amount in " lacrimal point " mode, the orientation, direction of rotation, amplitude and angle, simultaneously, utilize myocardium depolarization own, the bio electricity instantaneous variation changes the consistent characteristics of corresponding relation with myocardial structural in the process of repolarization, goes out local and whole myocardium depolarization with different color marks, zones of different during multipole and level.
CN 98117316 1998-08-13 1998-08-13 Stereo electrocardiogram forming method and instrument thereof Expired - Fee Related CN1102371C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 98117316 CN1102371C (en) 1998-08-13 1998-08-13 Stereo electrocardiogram forming method and instrument thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 98117316 CN1102371C (en) 1998-08-13 1998-08-13 Stereo electrocardiogram forming method and instrument thereof

Publications (2)

Publication Number Publication Date
CN1206580A CN1206580A (en) 1999-02-03
CN1102371C true CN1102371C (en) 2003-03-05

Family

ID=5225466

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 98117316 Expired - Fee Related CN1102371C (en) 1998-08-13 1998-08-13 Stereo electrocardiogram forming method and instrument thereof

Country Status (1)

Country Link
CN (1) CN1102371C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106535741A (en) * 2014-04-02 2017-03-22 西门子保健有限责任公司 System and method for characterization of electrical properties of the heart from medical images and body surface potentials

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7277564B2 (en) * 2002-11-26 2007-10-02 Ge Medical Systems Information Technologies, Inc. Method and system for labeling of orthogonal images
CN100384370C (en) * 2003-03-21 2008-04-30 比顿(北京)医用设备有限公司 Method for changing multiple synchronous electrocardiogram lead in corrected orthogonal electrocardiogram mode
CN100450435C (en) * 2007-02-06 2009-01-14 赵峰 Vector ECG instrument and carrying out method thereof
WO2012092766A1 (en) * 2011-07-25 2012-07-12 深圳市理邦精密仪器股份有限公司 Method and system for automated detection and analysis in pediatric electrocardiography
CN102793539B (en) * 2012-08-31 2014-07-09 深圳市理邦精密仪器股份有限公司 Vector cardiogram detection and analysis method and system
CN103829941B (en) * 2014-01-14 2016-01-20 武汉培威医学科技有限公司 A kind of multidimensional electrocardiosignal imaging system and method
CN105534519A (en) * 2016-02-24 2016-05-04 四川大智信诚海纳天时科技有限公司 Color vector cardiogram display method
CN108888260A (en) * 2018-05-21 2018-11-27 牛刚 Glove-type ECG detection device and ecg signal acquiring method
CN111543979B (en) * 2020-05-13 2024-02-06 许祥林 Method for outputting electrocardiographic vector diagram by conventional leads

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106535741A (en) * 2014-04-02 2017-03-22 西门子保健有限责任公司 System and method for characterization of electrical properties of the heart from medical images and body surface potentials
US10483005B2 (en) 2014-04-02 2019-11-19 Siemens Healthcare Gmbh System and method for characterization of electrical properties of the heart from medical images and body surface potentials

Also Published As

Publication number Publication date
CN1206580A (en) 1999-02-03

Similar Documents

Publication Publication Date Title
CN100488448C (en) Electrocardiograph with three-dimensional image and method for implementing same
US6694178B1 (en) Method and device for representing and monitoring functional parameters of a physiological system
CN101448454B (en) System and method for mapping complex fractionated electrogram information
AU730409B2 (en) Apparatus for body surface mapping
US5782773A (en) Three-dimensional electrocardiogram display method
CN101336844B (en) Medical image processing apparatus and medical image diagnosis apparatus
DE60010309T2 (en) PROCESS FOR REAL-TIME PRESENTATION OF MEDICAL PICTURES
EP0660252B1 (en) Computer simulation of live organ
JP2511003B2 (en) Method and device for displaying value obtained by electrocardiograph
CN100450435C (en) Vector ECG instrument and carrying out method thereof
CA2623116C (en) Method, device and computer programme for evaluating images of a cavity
CN104068845B (en) A kind of electrocardio ultrasonic signal merges dislocation scanning and imaging system and method
CN1102371C (en) Stereo electrocardiogram forming method and instrument thereof
JP2012179352A (en) System and method for constructing current dipole
DE19531419A1 (en) Ultrasonic image display of a moving organ
CN103829941B (en) A kind of multidimensional electrocardiosignal imaging system and method
US8036734B2 (en) Method for determining cardiac impulse conduction and associated medical device
JP2012000135A (en) Multi-modality dynamic image diagnostic apparatus
JP2013066708A (en) Noise elimination of mcg measurement
CN106725448A (en) System and method for being mapped to electrophysiology information on complex geometric shapes
WO2010097894A1 (en) Bioelectric potential estimating apparatus using impedance switching type multipoint surface electrode, and method therefor
CN106097422A (en) Liver 3-D view dynamic demonstration system based on big data
DE10042138A1 (en) Computer based method for providing magneto-cardiographic data of bio-magnetic fields by generating contour map of surface density of magnetic moments
CN107374610B (en) Magnetocardiogram generation method and system
DE4029581A1 (en) METHOD FOR THE CORRECT ANATOMICAL ASSIGNMENT OF THE EXCITATION CENTERS OF BIOMAGNETIC SIGNALS

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT PATENT RIGHT PATENTEE; FROM: ZHAO FENG; TO: BEIJING CADIZ MEDICAL TECHNOLOGY CO., LTD.

Effective date: 20060901

TR01 Transfer of patent right

Effective date of registration: 20060901

Address after: 100011 Beijing Xicheng District Street 26 Desheng property building 5 Building 7 layer

Patentee after: Beijing Cadiz Medical Technology Co Ltd

Address before: 301 No. 62, building 1070, box 100091, Beijing, Haidian District

Patentee before: Zhao Feng

C57 Notification of unclear or unknown address
DD01 Delivery of document by public notice

Addressee: Mao Yansheng

Document name: Notice of conformity

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Stereo electrocardiogram forming method and instrument thereof

Effective date of registration: 20101215

Granted publication date: 20030305

Pledgee: Zhou Jianghong

Pledgor: Beijing Cadiz Medical Technology Co Ltd

Registration number: 2010990001006

PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20120827

Granted publication date: 20030305

Pledgee: Zhou Jianghong

Pledgor: Beijing Cadiz Medical Technology Co Ltd

Registration number: 2010990001006

ASS Succession or assignment of patent right

Owner name: BEIJING DONVIEW DIGITAL TECHNOLOGY CO., LTD.

Free format text: FORMER OWNER: BEIJING CARDIS MEDICAL TECHNOLOGY CO., LTD.

Effective date: 20140408

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 100011 XICHENG, BEIJING TO: 100120 XICHENG, BEIJING

TR01 Transfer of patent right

Effective date of registration: 20140408

Address after: 100120 Beijing city Xicheng District Street No. 26 Building No. 5 hospital 701

Patentee after: Beijing Oriental Zhongyuan Digital Technology Co., Ltd.

Address before: 100011 Beijing Xicheng District Street 26 Desheng property building 5 Building 7 layer

Patentee before: Beijing Cadiz Medical Technology Co Ltd

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20030305

Termination date: 20170813

CF01 Termination of patent right due to non-payment of annual fee