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1. US20070162112 - Annuloplasty prosthesis with an auxetic structure

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Office
United States of America
Application Number 11617026
Application Date 28.12.2006
Publication Number 20070162112
Publication Date 12.07.2007
Grant Number 08034103
Grant Date 11.10.2011
Publication Kind B2
IPC
A61F 2/24
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
02Prostheses implantable into the body
24Heart valves
Applicants Sorin Biomedica Cardio S.r.l.
Inventors Burriesci Gaetano
Bergamasco Giovanni
Agents Faegre & Benson LLP
Priority Data 05425926 28.12.2005 EP
Title
(EN) Annuloplasty prosthesis with an auxetic structure
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Abstract
(EN)

An annuloplasty prosthesis including an inner tubular member having a lateral wall and exhibiting auxetic behavior when subject to a tensile stress along the longitudinal axis of at least one of its portions. The auxetic behavior may be obtained by perforating the tubular member with apertures of desired shape, thus obtaining, for instance, re-entrant honeycomb cell structures or cell structures with two-dimensional chiral symmetry.
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