Patent foramen ovale (PFO) closure method and device
First Claim
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1. A method of closing septum primum and septum secundum in a mammalian heart, comprising:
- (a) inserting a closure device into a right atrium of said heart, said device including first and second ends;
(b) puncturing septum primum and passing said first end of said first end of said closure device through septum primum into a left atrium of said heart;
(c) puncturing septum secundum with said first end of said closure device after said closure device has passed through septum primum; and
(d) positioning said second end of said closure device against septum secundum in the right atrium such that said closure device provides a compressive force to compress at least one of septum primum and septum secundum therebetween.
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Abstract
The present invention provides methods and devices for closing two overlapping layers of tissue in a mammalian heart, for example a patent foramen ovale (PFO). The closure devices may take a number of different forms and may be retrievable. In some embodiments, the closure devices may be delivered with a catheter capable of puncturing mammalian tissue.
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Citations
29 Claims
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1. A method of closing septum primum and septum secundum in a mammalian heart, comprising:
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(a) inserting a closure device into a right atrium of said heart, said device including first and second ends; (b) puncturing septum primum and passing said first end of said first end of said closure device through septum primum into a left atrium of said heart; (c) puncturing septum secundum with said first end of said closure device after said closure device has passed through septum primum; and (d) positioning said second end of said closure device against septum secundum in the right atrium such that said closure device provides a compressive force to compress at least one of septum primum and septum secundum therebetween. - 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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Specification