Self-venting balloon dilatation catheter and method
First Claim
1. In a self-venting balloon dilatation catheter, a flexible tubular member having first and second lumens extending therethrough, an inflatable balloon carried by the distal extremity of the tubular member in such a manner so that the first lumen extends through the balloon and is out of communication with that interior of the balloon and the second lumen is in communication with the distal extremity interior of the balloon and means disposed between the balloon and the tubular member for venting air from the interior of the balloon but inhibiting the escape of liquid from the balloon.
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Accused Products
Abstract
Self-venting balloon dilatation catheter having a flexible tubular member with first and second lumens extending therethrough. An inflatable balloon is carried by the distal extremity of the tubular member in such a manner so that the first lumen extends through the balloon and is out of communication with the interior of the balloon and the second lumen is in communication with the interior of the balloon. A venting device is disposed between the balloon and the tubular member for venting air from the interior of the balloon but inhibiting the escape of liquid from the balloon.
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Citations
10 Claims
- 1. In a self-venting balloon dilatation catheter, a flexible tubular member having first and second lumens extending therethrough, an inflatable balloon carried by the distal extremity of the tubular member in such a manner so that the first lumen extends through the balloon and is out of communication with that interior of the balloon and the second lumen is in communication with the distal extremity interior of the balloon and means disposed between the balloon and the tubular member for venting air from the interior of the balloon but inhibiting the escape of liquid from the balloon.
- 5. In a self-venting balloon dilatation catheter, a first tubular element having a lumen extending therethrough, a second tubular element coaxially disposed over said first tubular element and forming a lumen extending between the first and second tubular members, an expandable balloon carried by the second tubular element and having its interior in communication with the lumen between the first and second tubular elements and means disposed between the distal extremities of the first and second tubular elements for venting air from the interior of the balloon but inhibiting escape of a liquid from the balloon.
Specification