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1. EP1647306 - Electromagnetic sensors for biological tissue applications

Office European Patent Office
Application Number 06000717
Application Date 26.07.2002
Publication Number 1647306
Publication Date 19.04.2006
Publication Kind A3
IPC
A61N 5/04
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
5Radiation therapy
02using microwaves
04Radiators for near-field treatment
A61B 5/05
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
05Measuring for diagnosis by means of electric currents or magnetic fields
A61B 5/053
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
05Measuring for diagnosis by means of electric currents or magnetic fields
053Measuring electrical impedance or conductance of a portion of the body
A61M 5/168
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
5Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm rests
14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
168Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters
A61N 2/04
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
2Magnetotherapy
02using magnetic fields produced by coils, including single turn loops or electromagnets
04using variable fields, e.g. low frequency or pulsating fields
G01N 22/00
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
22Investigating or analysing materials by the use of microwaves
CPC
A61B 5/05
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
A61B 5/0507
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
0507using microwaves or terahertz waves
A61B 5/0537
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
053Measuring electrical impedance or conductance of a portion of the body
0537Measuring body composition by impedance, e.g. tissue hydration or fat content
A61B 5/411
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
41Detecting, measuring or recording for evaluating the immune or lymphatic systems
411Detecting or monitoring allergy or intolerance reactions to an allergenic agent or substance
A61B 5/4878
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
48Other medical applications
4869Determining body composition
4875Hydration status, fluid retention of the body
4878Evaluating oedema
A61B 2562/02
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
2562Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
02Details of sensors specially adapted for in-vivo measurements
Applicants MEDRAD INC
Inventors BOUTON CHAD EDWARD
Designated States
Priority Data 02763368 26.07.2002 EP
30801201 26.07.2001 US
Title
(DE) Elektromagnetische Sensoren für Anwendungen am biologischen Gewebe
(EN) Electromagnetic sensors for biological tissue applications
(FR) Capteurs électromagnétiques destinés à des applications sur des tissus biologiques
Abstract
(EN)
A sensor comprises at least two sensor elements, each sensor element comprising a first substrate, a second substrate and a generally planar antenna element accomodated by and mounted between said first substrate and said second substrate. Said antenna element is structured to emit electromagnetic waves from an edge of the antenna. Said at least two sensors are angularly oriented relative to and directed toward each other.