公开(公告)号：WO1988007833A1

公开(公告)日：1988-10-20

申请号：PCT/US1988001188

申请日：1988-04-13

Applicant: THE CHILDREN'S MEDICAL CENTER CORPORATION

Inventor： THE CHILDREN'S MEDICAL CENTER CORPORATION ,  DUFFY, Frank, H.

IPC: A61B05/04

CPC classification number: A61B5/0476

Abstract: Pathological changes in brain electrical activity over time caused by for example growth of a lesion are detected by producing a brain electrical activity map such as a statistical probability map, and then selecting a template or mask surrounding a suspect area, summating values of the map within the template area to form an aggregate statistical feature, and then plotting the feature over a period of time, e.g. several weeks, to form a trend plot characteristic of brain electrical activity changes.

公开(公告)号：WO1988002617A1

公开(公告)日：1988-04-21

申请号：PCT/JP1987000791

申请日：1987-10-16

Applicant: TERUMO KABUSHIKI KAISHA ,  YAMAGUCHI, Keiji ,  GO, Takafumi ,  FUJII, Tadashi ,  HIRANO, Toshinori

Inventor： TERUMO KABUSHIKI KAISHA

IPC: A61B05/04

CPC classification number: A61B5/04525 ,  A61B5/0432 ,  A61B5/7239

Abstract: An apparatus for measuring biological signals for an extended period of time such as the measurement of electrocardiograph waveform has measuring means (1) for storing biological signals that are measured and analyzed, and input means (2) that sets data for biological signal analysis and that inputs them to the measuring means (1). The data for biological signal analysis specific to the living body being measured are input by input means (2) to the measuring means (1) to learn the features of the biological signals from an examinee. The measuring means (1) then measures and analyses the biological signals for an extended period of time. Thus, after having learned the features of the biological signals from the examinee, the measurement is taken to improve reliability. Further, the measuring means (1) performs the measurement and analysis in real time, and stores abnormal waveforms only, thus enabling the doctors to make easy judgement.

公开(公告)号：WO1986001993A1

公开(公告)日：1986-04-10

申请号：PCT/JP1985000538

申请日：1985-09-27

Applicant: KABUSHIKI KAISYA ADVANCE KAIHATSU KENKYUJO ,  SASAKI, Minoru

Inventor： KABUSHIKI KAISYA ADVANCE KAIHATSU KENKYUJO

IPC: A61B05/04

CPC classification number: A61B5/0452 ,  A61B5/0424

Abstract: A device for detecting high-frequency artifact contained in the signals of electrocardiogram. High-frequency components having amplitudes greater than a predetermined value are extracted with a predetermined frequency at a predetermined time interval of electrocardiogram signals that are input, and are transformed into pulses. The pulses are then counted and are compared with a predetermined value, in order to detect the presence of high-frequency artifact maintaining a high precision. This device is used being connected to, for example, an electrocardiograph, an electrocardiogram analyzer and the like, and correctly discriminates between the high-frequency artifact and abnormal waveforms of electrocardiogram.

公开(公告)号：WO1985005022A1

公开(公告)日：1985-11-21

申请号：PCT/US1985000829

申请日：1985-05-07

Applicant: BIOLECTRON, INC.

Inventor： BIOLECTRON, INC. ,  MONTALBANO, Anthony, P. ,  CONROY, David, E.

IPC: A61B05/04

CPC classification number: A61N1/0472 ,  A61B5/0408 ,  A61F13/041

Abstract: A device for mounting a treatment electrode on the skin of a patient in an area covered by a body cast comprises an access window secured intermediate the ends of a relatively flexible band embedded in the body cast. The access window has a releasably latched cap with a central opening in which is secured a flexible diaphragm for supporting an electrode in contact with the adjacent skin area of the patient. The cap opening is normally tightly closed by a removable cover.

公开(公告)号：WO1984003032A1

公开(公告)日：1984-08-16

申请号：PCT/US1983000186

申请日：1983-02-14

Applicant: ARRHYTHMIA RESEARCH TECHNOLOGY, INC.

Inventor： ARRHYTHMIA RESEARCH TECHNOLOGY, INC. ,  NETRAVALI, Arun, Narayan ,  SITRICK, David, Howard ,  SIMSON, Michael, Byron

IPC: A61B05/04

CPC classification number: A61B5/0464 ,  A61B5/7203 ,  A61B5/7239

Abstract: An electrocardiology system and method for predicting potential ventricular tachycardia in a patient. Each of a patient's X, Y, and Z electrocardiographic signals (100, 101, 102) are converted from analog to digital values (120), and stored (130), and are then processed to select only normal or typical QRS waveforms. The selected waveforms are signal averaged over several hundred beats to obtain a relatively noise-free composite QRS. The latter portions of the X, Y and Z digital QRS signals are then applied in either forward or reverse time order to an adaptive finite impulse response high pass filter (170). The finite impulse response filter processing enables the ringing artifact to be eliminated from the filter's output. The resulting filtered outputs are combined to create a composite filtered QRS waveform. The last (40) (or so) milliseconds of the filtered composite is isolated and measured to obtain an indication of the level of high frequency energy content indicative of a propensity for episodes of ventricular tachycardia (200). The overall QRS waveform is also processed in the same time order to determine its total duration (210) which provides a second indication of propensity for Ventricular Tachycardia.

Abstract translation: 一种用于预测患者中潜在性室性心动过速的心电图系统和方法。 患者的X，Y和Z心电信号（100,101,102）中的每一个从模拟数字值（120）转换并存储（130），然后被处理以仅选择正常或典型的QRS波形。 所选择的波形是经过数百次的信号平均，以获得相对无噪声的复合QRS。 然后，X，Y和Z数字QRS信号的后面部分以正向或反向时间顺序施加到自适应有限脉冲响应高通滤波器（170）。 有限脉冲响应滤波处理使得能够从滤波器的输出消除振铃伪像。 所得到的滤波输出被组合以产生复合滤波的QRS波形。 分离和测量过滤复合物的最后（40）（或左右）毫秒，以获得指示心室性心动过速发作倾向的高频能量含量的水平（200）。 整个QRS波形也以相同的时间顺序进行处理，以确定其总持续时间（210），其提供心室性心动过速倾向的第二指示。

公开(公告)号：WO1983003341A1

公开(公告)日：1983-10-13

申请号：PCT/US1982000343

申请日：1982-03-22

Applicant: LEDLEY, Robert, S. ,  GOLAB, Thomas, J.

IPC: A61B05/04

CPC classification number: A61B5/4863 ,  A61B5/0424 ,  A61B5/0484 ,  A61B5/0496 ,  A61B5/7207

Abstract: A computerized electro-oculographic system has a rotatable subject chair (2) surrounded by a cylindrical screen (18) on which the desired optical stimuli from projectors (12, 16) are displayed. Eye movement signals are picked up by electrodes (6a-1) amplified (24, 26), calibrated (46), filtered (26) and digitized (28) for interface (30) with a computer (32). The tests to be run are selected by a keyboard (44) to operate the computer according to its programs (36). The computer signals are then displayed (38) and/or recorded (40, 42).

Abstract translation: 计算机化的电眼检查系统具有由圆柱形屏幕（18）包围的可旋转主题座椅（2），在其上显示来自投影仪（12,16）的期望的光学刺激。 通过用计算机（32）对接口（30）放大（24,26），校准（46），滤波（26）和数字化（28）的电极（6a-1）拾取眼睛运动信号。 要运行的测试由键盘（44）选择，以根据其程序（36）操作计算机。 然后显示（38）和/或记录计算机信号（40,42）。

公开(公告)号：WO1982002333A1

公开(公告)日：1982-07-22

申请号：PCT/JP1982000001

申请日：1982-01-04

Applicant: TOYOSU YASUHIRO ,  AKAMATSU NORIO

IPC: A61B05/04

CPC classification number: A61B5/04085 ,  A61B5/04011

Abstract: Electrocardiographe servant a detecter le potentiel de la surface du corps a proximite du coeur au moyen d'electrodes et pouvant traiter les signaux des electrodes au moyen d'un ordinateur pour former un diagramme de distribution du potentiel de la surface du corps a un moment predetermine. Une pluralite de diagrammes de distribution du potentiel sont formes a des intervalles de temps predetermines de maniere a pouvoir former jusqu'a quelques centaines de diagrammes a chaque pulsation cardiaque. Les phenomenes electriques cardiaques sont mesures a partir des diagrammes de distribution du potentiel et des variations dans les diagrammes. Les electrodes sont composees d'une pluralite de groupe d'electrodes, un groupe d'electrodes possedant une pluralite d'electrodes a style, l'electrode a style d'un groupe d'electrodes etant suffisamment rapprochee par rapport a l'intervalle des groupes d'electrodes, chaque groupe etant maintenu independamment contre la surface du corps au moyen de materiaux elastiques, et les electrodes a style d'un groupe d'electrodes sont connectees electriquement en parallele. Lorsque l'une des electrodes a style detecte le potentiel de la surface du corps, le potentiel peut etre determine d'une maniere precise meme si les autres electrodes a style du groupe forment un contact mediocre.

公开(公告)号：WO1981002665A1

公开(公告)日：1981-10-01

申请号：PCT/US1981000342

申请日：1981-03-19

Applicant: DATAMEDIX INC

Inventor： DATAMEDIX INC ,  JUDELL N

IPC: A61B05/04

CPC classification number: A61B5/046

Abstract: A method and apparatus for declaring the presence of ventricular fibrillation from an incoming electrocardiographic signal (12) includes sampling (14, 16) at a first frequency and filtering (18) the same to produce a second frequency lower than the first frequency. This filtered signal is passed to a linear predictor (20) which fits a model signal spectrum to the actual signal spectrum and computes (60 d-e, 62 a-c, 64 a-b) coefficients representative of bandwidth and mean frequency of the signal over a short time interval. Then the coefficient of bandwidth (A2) is compared (68, 69) with a threshold value to determine whether or not it exceeds same, and if so the mean frequency coefficient (A1) is compared (71-76) with a range of values to determine whether it falls within a range corresponding to ventricular fibrillation; if it does, ventricular fibrillation is then declared (70) to be present.

Abstract translation: 用于从入射的心电图信号（12）声明存在心室颤动的方法和装置包括以第一频率进行采样（14,16）并对其进行滤波（18）以产生低于第一频率的第二频率。 该滤波信号被传递到线性预测器（20），该线性预测器（20）将模型信号频谱适合于实际信号频谱，并且计算表示在短时间间隔内信号的带宽和平均频率的（60de，62ac，64ab）系数 。 然后将带宽系数（A2）与阈值进行比较（68,69），以确定其是否超过相同，如果是，将平均频率系数（A1）与值范围（71-76）进行比较 以确定其是否落在对应于心室颤动的范围内; 如果是，则宣布室性颤动（70）存在。

公开(公告)号：WO1981002097A1

公开(公告)日：1981-08-06

申请号：PCT/US1980001543

申请日：1980-11-17

Applicant: MINNESOTA MINING & MFG CO

Inventor： MINNESOTA MINING & MFG CO ,  ENGEL M

IPC: A61B05/04

CPC classification number: A61B5/04087 ,  A61B5/411 ,  A61B2562/125 ,  A61N1/0456 ,  A61N1/0492 ,  C09J4/00 ,  C08F222/1006

Abstract: A biomedical electrode (10, 30) having a conductive adhesive (18, 36) thereon which is derived from an essentially solventless process. The resulting adhesive is characterized in that it is a swellable, dermally-nonirritating, conformable, cohesive, ionic, hydrophilic polymer.

Abstract translation: 一种其上具有导电粘合剂（18,36）的生物医学电极（10,30），其衍生自基本上无溶剂的方法。 所得粘合剂的特征在于其是可膨胀的，非皮肤无刺激性的，顺应性的，内聚的，离子的，亲水的聚合物。

公开(公告)号：WO1981001646A1

公开(公告)日：1981-06-25

申请号：PCT/US1980001606

申请日：1980-12-02

Applicant: BARD INC C

Inventor： BARD INC C ,  BARE R ,  ROBINSON E

IPC: A61B05/04

CPC classification number: A61B5/04087 ,  A61B2562/125

Abstract: Electrode construction (30; 120; 170; 170'; 192) of the type including a terminal arrangement (46; 146; 176; 196) and support means (36; 124; 171; 199) for said terminal arrangement, said support means adapted for the transcutaneous application of the electrode to a patient. The support means may be fabricated from a layer of foam (36) or microporous material (84), or plural layer employing a combination of both, or from a layer (171; 199) of conductive adhesive. The terminal arrangement may be of single terminal (46) or multi-terminal design (146), and is provided by a conductive pattern (44; 144; 174; 195) printed on a semi-flexible plastic-like sheet (42; 128; 172; 194), wherein said pattern is printed with a conductive ink of the type employing a conductive metal, such as silver, in a binder composition. The disclosure also contemplates novel structure (60; 60') for connection of the electrode to a lead wire, as well as several novel, overall designs for the construction of the electrode support means, as well as a novel method of construction for a single terminal electrode (30) in accordance with the concepts of the disclosure.

Abstract translation: 所述电极结构（30; 120; 170; 170'; 192）包括端子装置（46; 146; 176; 196）和用于所述端子装置的支撑装置（36; 124; 171; 199） 适用于将电极经皮施用于患者。 支撑装置可以由一层泡沫（36）或微孔材料（84）制成，或者使用两者的组合或由导电粘合剂层（171; 199）制成的多层。 端子装置可以是单端子（46）或多端子设计（146），并且由印刷在半柔性塑料片（42; 128）上的导电图案（44; 144; 174; 195） ; 172; 194），其中所述图案用粘合剂组合物中使用导电金属（例如银）的导电油墨印刷。 本公开还考虑了用于将电极连接到引线的新颖结构（60; 60'）以及用于构建电极支撑装置的几种新颖的整体设计，以及用于单个结构的新颖的构造方法 端子电极（30）。