Surgery – Truss – Pad
Patent
1992-03-31
1995-11-14
Hindenburg, Max
Surgery
Truss
Pad
A61B 500
Patent
active
054657326
ABSTRACT:
A calibrated guidewire for use in determining the magnitude of arterial occlusions in the body and a method of using the guidewire. The guidewire includes a flexible sleeve having a distal end and a hemispherical tip having a flat inner surface. A multifilar flexible coil is disposed between the distal end of the sleeve and the tip. The coil has a uniform outer diameter and is formed by two sets of different wires, one of which is radiotransparent and the other of which is radiopaque. The spacings between each of the sets is identical and is defined by the widths of each of the sets to provide regularly spaced radiotransparent areas of indicia that are observable as a fluoroscopic image to enable the user measure of the magnitude of an occlusion in a tubular structure in the body. The multifilar construction extends the entire length of the coil between the sleeve and the tip.
REFERENCES:
patent: 4922924 (1990-05-01), Gambale et al.
patent: 4932419 (1990-06-01), de Toledo
patent: 5060660 (1991-10-01), Gambale et al.
patent: 5084022 (1992-01-01), Claude
patent: 5144959 (1992-09-01), Gambale et al.
patent: 5174302 (1992-12-01), Palmer
Boston Scientific Corporation
Craig Frances P.
Hindenburg Max
Meegan Owen J.
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