Surgery – Magnetic field applied to body for therapy
Patent
1995-06-05
1997-01-14
Sykes, Angela D.
Surgery
Magnetic field applied to body for therapy
600 14, 607 57, A61B 1752
Patent
active
055933793
ABSTRACT:
An improvement is provided in a method for carrying out laparoscopic surgery on an intestine of a patient. The improvement includes establishing discrete magnetic zones within the intestine by having the patient ingest a magnetic medium. An electromagnetic field which can be focused and translated around the patient is induced by means of a particularly-described electromagnet. Poles of the magnetic medium which is within the intestine is attracted to a pole of the electromagnet. The intestine is manipulated by suspension, or retraction, or lengthwise translation of the entire intestine which in a segment-by-segment fashion by the essential step of selectively focusing and translating the electromagnetic field by way of manipulation of said upper electromagnet pole. The upper electromagnet pole may include a plurality of displaceable expandable pole heads supported on a rotatable shaft magnet, the electromagnet field being focused and translated by means of rotation of the rotatable shaft magnet of one of such expandable pole heads; or the upper electromagnet pole may include expandable heads supported in a rotatable shaft magnet, and the electromagnetic field is focused and translated means of displacement of one of the expandable pole heads transversely with respect to the patient; or the upper electromagnet pole may include a plurality of magnetizable rotatable helical shafts and the electromagnetic field is focused and translated by rotation of one of the magnetizable rotatable helical shafts; or the upper electromagnet pole may include a series of magnetically-active wire coils, the electromagnetic field being induced by passing a controlled DC voltage through the magnetically-active wire coils, and the electromagnetic field is focused and translated by controlling the DC voltage to selected ones of the magnetically-active wire coils.
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Huang Stephen
Surgery Futures Research, Inc.
Sykes Angela D.
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