Bidirectional self-retaining sutures with laser-marked and/or non-laser marked indicia and methods
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United States of America Patent
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Feb 24, 2015
Grant Date -
Dec 29, 2011
app pub date -
Dec 16, 2010
filing date -
May 16, 2008
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Abstract
A marked heterofunctional suture thread has two or more sections having different features. One or more sections of the suture thread are provided with laser-marked and non-laser marked indicia in order that they may be identified and differentiated from other sections. The suture thread may have retainers on the surface of one or more sections such that the suture thread can engage and retain tissue without knots. The markers may be used to indicate fixed features of a section of suture thread such as the presence and/orientation of retainers. In particular embodiments, laser-marked and non-laser marked indicia are used to identify the transition section of a bidirectional self-retaining suture.
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