公开(公告)号：WO0006012A9

公开(公告)日：2000-08-03

申请号：PCT/US9916690

申请日：1999-07-29

Applicant: BIOFIELD CORP

Inventor： CUZICK JACK A ,  DAVIES RICHARD J ,  STEPHENS JOHN D ,  BORGWARDT VERA ,  HOUSWORTH CRAIG M ,  LEI XINGYE ,  GADSBY PETER D ,  ISKAC ABE

IPC: A61B5/04 ,  A61B5/0428 ,  A61B5/05

CPC classification number: A61B5/04002 ,  A61B5/04 ,  A61B5/04282 ,  Y10S128/92 ,  Y10S128/925

Abstract: In accordance with the apparatus, the method of the present invention, a bio-potential lesion sensor (12) is placed directly over a lesion in a symptomatic breast, and a reference sensor (14) is located away from the symptomatic breast. A plurality of electro-potential test measurements are taken during a test period with the lesion sensor (12), and averaged to obtain a primary test potential. This primary test potential can be weighted to compensate for one or more biologic variables such as patient age, time in the patient menstrual cycle, and time of day during which the measurement is taken.

Abstract translation: 根据该装置，本发明的方法将生物电位病变传感器（12）直接放置在有症状的乳房中的病变上，并且将参考传感器（14）放置在远离有症状的乳房。 在与病变传感器（12）的测试期间进行多次电位测试测量，并且平均以获得主要测试电位。 该主要测试潜力可以被加权以补偿一个或多个生物学变量，例如患者年龄，患者月经周期中的时间和进行测量的时间。

公开(公告)号：EP0786958A4

公开(公告)日：1999-02-03

申请号：EP95936217

申请日：1995-10-16

Applicant: BIOFIELD CORP

Inventor： FAUPEL MARK L ,  BARRETT BURKE T ,  STEPHENS JOHN D ,  NATHANSON SETH D

IPC: A61B5/0408 ,  A61B5/05 ,  A61B5/04

CPC classification number: A61B5/04087 ,  A61B5/05 ,  A61B2562/0215

Abstract: A DC biopotential sensing electrode assembly (106) is provided for an apparatus (10) for sensing DC biopotentials present at the skin of a subject. The electrodes (106) include an electroconductive medium (158) for transmitting ions from the skin which has a chloride content within a range of from 6-15 grams chloride ion per hundred grams of such medium. To reduce the corrosive effect of this electroconductive medium, each electrode includes only one metallic component (122, 144), and to provide an electrode with a low AC impedance, this metal is uniformly coated upon nonmetallic sensor (120) and terminal (142) bodies with a coating thickness within a range of from 0.5 to 1.5 mil. To pressure a complete electrical path through both the sensor and the terminal bodies, the nonmetallic portions (120, 142) are formed of conductive plastic.

公开(公告)号：EP0990279A4

公开(公告)日：2001-01-17

申请号：EP98923776

申请日：1998-05-28

Applicant: BIOFIELD CORP

Inventor： FAUPEL MARK L ,  STEPHENS JOHN D

IPC: A61B5/0416 ,  A61B5/0428 ,  H01R11/22 ,  H01R27/02 ,  H01R4/48 ,  H01R13/633

CPC classification number: H01R11/22 ,  A61B5/0416 ,  A61B5/0428 ,  H01R27/02 ,  H01R2201/12 ,  Y10S439/909

Abstract: An electrode connector (10) and connector condition sensor for a biopotential sensing apparatus wherein a plurality of electrodes (10) are connected to individual output leads (16) for individual electrode channels by a connector which does not abrade the surface of the electrode button contact and does not require that pressure be applied to the electrode during connection. Two spring biased conductive arms (24, 26) for the connector are spread apart by the cam surface (48, 50) of an actuator button (18) to receive the button contact (35) and are contoured to engage substantially the entire peripheral surface of the button (35) contact when the actuator button is released. The biopotential sensing apparatus includes a processor (106) which senses the loss of signal in any electrode channel during a test period and activates an indicator (112) to provide a warning indication.

公开(公告)号：EP0831741A4

公开(公告)日：2000-03-01

申请号：EP96912853

申请日：1996-04-25

Applicant: BIOFIELD CORP

Inventor： FAUPEL MARK L ,  GORDON CHARLES LEONARD ,  STEPHENS JOHN D ,  NATHANSON SETH D

IPC: A61B5/04 ,  A61B5/0408 ,  A61B5/05 ,  A61B5/053 ,  G06N3/04

CPC classification number: A61B5/04002 ,  A61B5/04 ,  A61B5/04085 ,  A61B5/05 ,  A61B5/0531 ,  A61B5/7264 ,  A61B5/7267 ,  A61B2562/0209 ,  A61B2562/046 ,  G06N3/0454

Abstract: A method and apparatus for screening or sensing disease states, injury sites or bodily conditions in a human or animal subject by separately detecting the DC biopotential of the electromagnetic field at a plurality of test points in a test area. The DC biopotentials are converted by analog-to-digital converters (36, 38) connected to DC biopotential test sensors (12) at the test points into digital test signals, and the DC biopotential test sensors (12) and analog-to-digital converters (36, 38) form a biopotential sensing section (48) which is separate from a processing section (46) that receives and processes the test signals. Signals between the processing section (46) and the biopotential sensing section (48) are transmitted by a transmission network which electrically isolates the two sections. The conversions performed by the analog-to-digital converters (36, 38) are synchronized with the AC line frequency of the apparatus power supply (42), and the digital test signals are filtered in the processing section (46) by digital filters (68), each of which is dedicated to an individual DC biopotential test sensor (12).

公开(公告)号：MY132171A

公开(公告)日：2007-09-28

申请号：MYPI9601820

申请日：1996-05-14

Applicant: BIOFIELD CORP

Inventor： FAUPEL MARK L ,  GORDON CHARLES LEONARD ,  STEPHENS JOHN D ,  NATHANSON SETH D ,  DOE KENNETH E ,  HAGSTROM STEVEN ERIK

IPC: A61B5/05

Abstract: A METHOD AND APPARATUS (10) FOR SCREENING OR SENSING DISEASE STATES, INJURY SITES OR BODILY CONDITIONS IN A HUMAN OR ANIMAL SUBJECT BY SEPARATELY DETECTING THE DC BIOPOTENTIAL OF THE ELECTROMAGNETIC FIELDAT A PLURALITY OF TEST POINTS IN A TEST AREA. THE DC BIOPOTENTIALS ARE CONVERTED BY ANALOG TO DIGITAL CONVERTERS (36, 38) CONNECTED TO DC BIOPOTENTIAL TEST SENSORS (12) AT THE TEST POINTS INTO DIGITAL TEST SIGNALS,AND THE DC BIOPOTENTIAL TEST SENSORS (12) AND ANALOG TO DIGITAL CONVERTERS (36, 38) FORM A BIOPOTENTIAL SENSING SECTION WHICH IS SEPARATE FROM A PROCESSING SECTION (70) THAT RECEIVES AND PROCESSES THE DIGITAL TEST SIGNALS. SIGNALS BETWEEN THE PROCESSING SECTION (70) AND THE BIOPOTENTIAL SENSING SECTION ARE TRANSMITTED BY A TRANSMISSION NETWORK (48) WHICH ELECTRICALLY ISOLATES THE TWO SECTIONS. THE CONVERSIONS PERFORMED BY THE ANALOG TO DIGITAL CONVERTERS (36, 38) ARE SYNCHRONIZED WITH THE AC LINE FREQUENCY OF THE APPARATUS (10) POWER SUPPLY, AND THE DIGITAL SIGNALS ARE FILTERED IN THE PROCESSING SECTION (70) BY DIGITAL FILTERS, EACH OF WHICH IS DEDICATED TO AN INDIVIDUAL DC BIOTENTIAL TEST SENSOR (12).FIG. 1

公开(公告)号：CA2202749C

公开(公告)日：2003-05-27

申请号：CA2202749

申请日：1995-10-16

Applicant: BIOFIELD CORP

Inventor： NATHANSON SETH D ,  FAUPEL MARK L ,  BARRETT BURKE T ,  STEPHENS JOHN D

IPC: A61B5/0408 ,  A61B5/05 ,  A61B5/04

Abstract: A DC biopotential sensing electrode assembly (106) is provided for an apparatus (10) for sensing DC biopotentials present at the skin of a subject . The electrodes (106) include an electroconductive medium (158) for transmitting ions from the skin which has a chloride content within a range of from 6-15 grams chloride ion per hundred grams of such medium. To reduce the corrosive effect of this electroconductive medium, each electrode includes only one metallic component (122, 144), and to provide an electrode with a l ow AC impedance, this metal is uniformly coated upon nonmetallic sensor (120) a nd terminal (142) bodies with a coating thickness within a range of from 0.5 to 1.5 mil. To pressure a complete electrical path through both the sensor and the terminal bodies, the nonmetallic portions (120, 142) are formed of conductive plastic.

公开(公告)号：ZA963786B

公开(公告)日：1997-02-04

申请号：ZA963786

申请日：1996-05-13

Applicant: BIOFIELD CORP

Inventor： FAUPEL MARK L ,  GORDON CHARLES LEONARD ,  STEPHENS JOHN D ,  NATHANSON SETH D ,  DOE KENNETH E ,  HAGSTROM STEVEN ERIK

IPC: A61B20060101 ,  A61B

公开(公告)号：CA2202749A1

公开(公告)日：1996-04-25

申请号：CA2202749

申请日：1995-10-16

Applicant: BIOFIELD CORP

Inventor： NATHANSON SETH D ,  FAUPEL MARK L ,  BARRETT BURKE T ,  STEPHENS JOHN D

IPC: A61B5/0408 ,  A61B5/05 ,  A61B5/04

Abstract: A DC biopotential sensing electrode assembly (106) is provided for an apparatus (10) for sensing DC biopotentials present at the skin of a subject. The electrodes (106) include an electroconductive medium (158) for transmitting ions from the skin which has a chloride content within a range of from 6-15 grams chloride ion per hundred grams of such medium. To reduce the corrosive effect of this electroconductive medium, each electrode includes only one metallic component (122, 144), and to provide an electrode with a low AC impedance, this metal is uniformly coated upon nonmetallic sensor (120) and terminal (142) bodies with a coating thickness within a range of from 0.5 to 1.5 mil. To pressure a complete electrical path through both the sensor and the terminal bodies, the nonmetallic portions (120, 142) are formed of conductive plastic.

公开(公告)号：DK0990279T3

公开(公告)日：2003-12-15

申请号：DK98923776

申请日：1998-05-28

Applicant: BIOFIELD CORP

Inventor： STEPHENS JOHN D ,  FAUPEL MARK L

IPC: A61B5/274 ,  A61B5/308 ,  H01R11/22 ,  H01R27/02 ,  H01R4/48 ,  H01R13/633

Abstract: An electrode connector and connector condition sensor for a biopotential sensing apparatus wherein a plurality of electrodes are connected to individual output leads for individual electrode channels by a connector which does not abrade the surface of the electrode button contact and does not require that pressure be applied to the electrode during connection. Two spring biased conductive arms for the connector are spread apart by the cam surface of an actuator button to receive the button contact and are contoured to engage substantially the entire peripheral surface of the button contact when the actuator button is released. The biopotential sensing apparatus includes a processor which senses the loss of signal in any electrode channel during a test period and activates an indicator to provide a warning indication.

公开(公告)号：AT255362T

公开(公告)日：2003-12-15

申请号：AT96912853

申请日：1996-04-25

Applicant: BIOFIELD CORP

Inventor： FAUPEL MARK L ,  GORDON CHARLES LEONARD ,  STEPHENS JOHN D ,  NATHANSON SETH D

IPC: A61B5/04 ,  A61B5/0408 ,  A61B5/05 ,  A61B5/053 ,  G06N3/04

Abstract: A method and apparatus for screening or sensing disease states, injury sites or bodily conditions in a human or animal subject by separately detecting the DC biopotential of the electromagnetic field at a plurality of test points in a test area. The DC biopotentials are converted by analog to digital converters connected to DC biopotential test sensors at the test points into digital test signals, and the DC biopotential test sensors and analog to digital converters form a biopotential sensing section which is separate from a processing section that receives and processes the digital test signals. Signals between the processing section and the biopotential sensing section are transmitted by a transmission network which electrically isolates the two sections. The conversions performed by the analog to digital converters are synchronized with the AC line frequency of the apparatus power supply, and the digital test signals are filtered in the processing section by digital filters, each of which is dedicated to an individual DC biopotential test sensor.