Recently Patented Transcatheter Aortic Valves in Clinical Trials

ISSN: 2212-3962 (Online)
ISSN: 1574-8901 (Print)


Volume 9, 3 Issues, 2014


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Recently Patented Transcatheter Aortic Valves in Clinical Trials

Author(s): Siyamek Neragi-Miandoab, Edvard Skripochnik, Arash Salemi and Leonard Girardi

Affiliation: Department of Cardiothoracic Surgery, Cornell University Medical Center, Weil Cornell College of Medicine, 525 68th street, New York, NY 10065, USA.

Abstract

The most widely used heart valve worldwide is the Edwards Sapien, which currently has 60% of the worldwide transcatheter aortic valve implantation (TAVI) market. The CoreValve is next in line in popularity, encompassing 35% of the worldwide TAVI market. Although these two valves dominate the TAVI market, a number of newer transcatheter valves have been introduced and others are in early clinical evaluation. The new valves are designed to reduce catheter delivery diameter, improve ease of positioning and sealing, and facilitate repositioning or removal. The most recent transcatheter valves for transapical use include Acurate TA (Symetis), Engager (Medtronic), and JenaValve the Portico (St Jude), Sadra Lotus Medical (Boston Scientific), and the Direct Flow Medical. These new inventions may introduce more effective treatment options for high-risk patients with severe aortic stenosis. Improvements in transcatheter valves and the developing variability among them may allow for more tailored approaches with respect to patient's anatomy, while giving operators the opportunity to choose devices they feel more comfortable with. Moreover, introducing new devices to the market will create a competitive environment among producers that will reduce high prices and expand availability. The present review article includes a discussion of recent patents related to Transcatheter Aortic Valves.

Keywords: Direct flow medical, jenavalve, medtronic engager, portico aortic valve, self-expanding valves, symetis, sadra medical, transcatheter aortic valve implantation, transapical approach, transfemoral approach.

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Article Details

Volume: 8
Issue Number: 3
First Page: 186
Last Page: 191
Page Count: 6
DOI: 10.2174/1574890108666131126145250
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