A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 1/01 (2006.01) A61B 17/94 (2006.01) A61M 25/09 (2006.01)
Patent
CA 2600173
A guidewire structure includes a medical guidewire and an overtube. The medical guidewire includes a first segment and a lengthwise-adjoining second segment. The overtube is adapted to slidably cover the first segment and to slidably expose the first segment. A minimum force required to slide the exposed first segment over patient tissue is greater than a minimum force required to slide the covered first segment over the patient tissue. A method for using a guidewire structure includes extending at least a portion of the second segment beyond a distal end of an insertion tube of an endoscope, extending at least a portion of the first segment beyond the distal end with the overtube covering the extended first segment, sliding the overtube off the extended first segment exposing the first segment, and advancing the insertion tube along the exposed and extended first segment further into a body lumen of a patient.
Bakos Gregory J.
Spivey James T.
Ethicon Endo-Surgery Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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