REDUCING SENSOR INTERFERENCE IN MEDICAL DEVICE

A medical sensing system (100) includes an elongate interventional device (101) and an adjustable capacitance circuit (102). The elongate interventional device (101) includes a sensor (103) having a capacitance (Css). The elongate interventional device (101) also includes a first electrical conducto...

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Bibliographische Detailangaben
Hauptverfasser:	DE BOER JAN H, CLAESSENS ERIC F J, PAPPOUS IOANNIS, VAN KAAM PATRICK W
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DIAGNOSIS ELECTROTHERAPY HUMAN NECESSITIES HYGIENE IDENTIFICATION MAGNETOTHERAPY MEDICAL OR VETERINARY SCIENCE RADIATION THERAPY SURGERY ULTRASOUND THERAPY
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Beschreibung
Zusammenfassung:	A medical sensing system (100) includes an elongate interventional device (101) and an adjustable capacitance circuit (102). The elongate interventional device (101) includes a sensor (103) having a capacitance (Css). The elongate interventional device (101) also includes a first electrical conductor (104) and a second electrical conductor (105). The first electrical conductor (104) and the secondelectrical conductor (105) are in electrical contact with the sensor (103) and extend along the elongate interventional device (101). The elongate interventional device (101) also includes i) an electrically conductive shield (106) that overlaps the electrical conductors (104, 105) and/ or ii) an electrically conductive shaft (107). The adjustable capacitance circuit (102) provides an adjustablecapacitance (CAdj1, CAdj2) between at least one of the electrical conductors (104, 105) and i) the electrically conductive shield (106) that overlaps the electrical conductors (104, 105) and/ or ii) the electrically conductive