Anchorable guidewire
First Claim
Patent Images
1. An anchorable guidewire comprising:
- an elongate guidewire body having a proximal end, a distal end, and an outer surface, said guidewire body comprising;
a) an elongate inner tubular member having at least one hollow lumen extending longitudinally therethrough and an outer surface; and
b) a coiled wire member coiled about the outer surface of said inner tube member; and
c) said coiled wire member being absent from a first region of the outer surface of said inner tubular member so as to expose the outer surface of the inner tubular member within said first region,an inflatable anchoring member positioned at a first location on said guidewire body, said inflatable anchoring member being mounted on the outer surface of said innertube member within said first region;
a fluid injection port positioned at a second location proximal to said first location;
a fluidic interconnection between said fluid injection port and said inflatable anchoring member such that fluid may be injected through said injection port to cause inflation of said anchoring member;
a deactuatable check valve apparatus to prevent deflation of said inflatable anchoring member until such time as said check valve apparatus is volitionally deactuated by a human operator to allow deflation of said inflatable anchoring member.
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Accused Products
Abstract
An anchorable guidewire for use in various medical applications, said guidewire comprising an elongate guidewire body with at least one inflatable anchoring member or balloon positioned thereon and a deactuatable check valve operative to maintain inflation of the inflatable anchoring member or balloon until such time as the check valve is volitionally deactuated by a human operator. The inflatable anchoring member or balloon is preferably sized, constructed and configured such that, when fully deflated, the anchoring member or balloon will fully collapse against the outer surface of the guidewire without substantial protrusion or extension therebeyond.
298 Citations
33 Claims
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1. An anchorable guidewire comprising:
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an elongate guidewire body having a proximal end, a distal end, and an outer surface, said guidewire body comprising; a) an elongate inner tubular member having at least one hollow lumen extending longitudinally therethrough and an outer surface; and b) a coiled wire member coiled about the outer surface of said inner tube member; and c) said coiled wire member being absent from a first region of the outer surface of said inner tubular member so as to expose the outer surface of the inner tubular member within said first region, an inflatable anchoring member positioned at a first location on said guidewire body, said inflatable anchoring member being mounted on the outer surface of said innertube member within said first region; a fluid injection port positioned at a second location proximal to said first location;
a fluidic interconnection between said fluid injection port and said inflatable anchoring member such that fluid may be injected through said injection port to cause inflation of said anchoring member;a deactuatable check valve apparatus to prevent deflation of said inflatable anchoring member until such time as said check valve apparatus is volitionally deactuated by a human operator to allow deflation of said inflatable anchoring member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. An anchorable guidewire comprising:
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a tubular member having an open proximal end, a closed distal end, an outer surface and a hollow lumen extending at least partially therethrough; an elongate wire coil coiled about the outer surface of said tubular member; said wire coil being absent from a first region of said inner tubular member; a tubular elastic balloon member affixed to the outer surface of said inner tubular member within said first region such that an inflation space exists between said balloon member and the outer surface of said inner tubular member; a balloon inflation aperture formed in said inner tubular member to permit fluid to pass back and forth between said hollow lumen and said inflation space; a deactuatable check valve mounted on the open proximal end of said inner tubular member to prevent deflation of said balloon by backflow of fluid from said hollow lumen until such time as said check valve is volitionally deactuated by a human operator to allow deflation of said balloon. - View Dependent Claims (31, 32, 33)
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Specification