Endoluminal cardiac and venous valve prostheses and methods of manufacture and delivery thereof
First Claim
Patent Images
1. A catheter, comprising:
- a. a catheter body defining a central longitudinal lumen;
b. an inflatable balloon positioned proximate the distal end of the catheter body and in fluid flow communication with the central longitudinal lumen;
c. a sheath positioned proximate the distal end of the catheter, distal the inflatable balloon and fixedly coupled to the catheter body and distally extensible therefrom;
d. a guidewire shaft positioned co-axially within the central longitudinal lumen of the catheter body and passing through an entire longitudinal length of the catheter body; and
e. an annular plug member concentrically coupled to the guidewire shaft and positioned distal the inflatable balloon and proximal the sheath, the annular plug member terminating the central longitudinal lumen of the catheter body in a fluid tight manner and being moveable therein.
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Abstract
This invention relates to prosthetic cardiac and venous valves and a single catheter device and minimally invasive techniques for percutaneous and transluminal valvuloplasty and prosthetic valve implantation.
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Citations
3 Claims
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1. A catheter, comprising:
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a. a catheter body defining a central longitudinal lumen;
b. an inflatable balloon positioned proximate the distal end of the catheter body and in fluid flow communication with the central longitudinal lumen;
c. a sheath positioned proximate the distal end of the catheter, distal the inflatable balloon and fixedly coupled to the catheter body and distally extensible therefrom;
d. a guidewire shaft positioned co-axially within the central longitudinal lumen of the catheter body and passing through an entire longitudinal length of the catheter body; and
e. an annular plug member concentrically coupled to the guidewire shaft and positioned distal the inflatable balloon and proximal the sheath, the annular plug member terminating the central longitudinal lumen of the catheter body in a fluid tight manner and being moveable therein. - View Dependent Claims (2)
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3. A method of endoluminally delivering a valve stent within an anatomic passageway, comprising the steps of:
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a. percutaneously passing a catheter endoluminally through an anatomic passageway to a valved anatomic situs within a body;
b. dilatating an inflatable balloon section of the catheter to dilatate anatomic valves at the anatomic situs within the body;
c. withdrawing the catheter from the dilatated valves at the anatomic situs and positioning a proximal end of a valve stent residing on the catheter;
d. positionally stabilizing the proximal end of the valve stent within the anatomic situs and withdrawing the catheter, inflatable balloon and sheath in a retrograde fashion thereby deploying the valve stent within the anatomic situs.
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Specification