Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1997-02-07
1999-02-23
McDermott, Corrine M.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
606 16, 606 15, 604281, 607 89, A61M 2500
Patent
active
058738657
ABSTRACT:
A spiral catheter apparatus for access to, and laser or other treatment within, cavities and organs in the human body, the apparatus comprising a flexible, main catheter shaft defining a central axis of the apparatus, the catheter shaft having a proximal end, a distal end and a first hollow lumen region extending therethrough, the catheter shaft further having a spiral portion adjacent the distal end with a selected curvilinear shape, the curvilinear shape defining an inner arcuate sidewall and an outer arcuate sidewall, the catheter shaft flexible enough to assume a temporarily elongated shape such that the apparatus can be extended through at least a portion of the body in the temporarily elongated shape and will assume the selected curvilinear shape when extended into a body cavity or organ, the selected curvilinear shape serving to securely position the apparatus adjacent a selected surface within the body cavity or organ, at least the spiral portion of the catheter shaft having a plurality of guide holes thereon, the plurality of guide holes disposed at least on the outer arcuate sidewall in communication with the first lumen such that a distal end of a laser delivery means or other functional device can be controllably advanced through the plurality of guide holes for laser or other treatment on the selected surface.
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Giba Jeffrey
Horzewski Michael
Eclipse Surgical Technologies Inc.
Janofsky, Esq. Ilene Lapidus
McDermott Corrine M.
Rodriguez Cris L.
Shahani, Esq. Ray K.
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