CAROTID ARTERY BLOOD FILTER PLUGGING ALARM

An intravascular filter device having a flexible arm which comprises a portion of an alarm system for detecting filling or plugging of the filter by captured emboli is described. The flexible arm may be made of ferromagnetic material, a magnet, or have at its tip a magnet which, as it moves under sy...

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Bibliographische Detailangaben
Hauptverfasser:	Grewe David D, Chandra Santanu
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	An intravascular filter device having a flexible arm which comprises a portion of an alarm system for detecting filling or plugging of the filter by captured emboli is described. The flexible arm may be made of ferromagnetic material, a magnet, or have at its tip a magnet which, as it moves under systolic and diastolic pressures, generates a signal detectable by an electrical sensor or a magnetometer. The signals from each of a pair of artery filters may be measured and compared to determine whether one filter is plugged. A system for detection and a method of use are also provided.