US 11,903,579 B2
Apparatus and method of forming barbs on a suture
Stanislaw Marczyk, Stratford, CT (US); and Russell Pribanic, Roxbury, CT (US)
Assigned to Covidien LP, Mansfield, MA (US)
Filed by Covidien LP, Mansfield, MA (US)
Filed on Oct. 21, 2020, as Appl. No. 17/076,013.
Application 15/620,857 is a division of application No. 13/417,612, filed on Mar. 12, 2012, granted, now 9,687,227, issued on Jun. 27, 2017.
Application 17/076,013 is a continuation of application No. 15/620,857, filed on Jun. 13, 2017, granted, now 10,835,238.
Claims priority of provisional application 61/480,658, filed on Apr. 29, 2011.
Prior Publication US 2021/0030414 A1, Feb. 4, 2021
Int. Cl. A61B 17/06 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/06166 (2013.01) [A61B 2017/00526 (2013.01); A61B 2017/06176 (2013.01); Y10T 83/02 (2015.04)] 9 Claims
OG exemplary drawing
 
1. A barbed suture comprising:
an elongate body including an outer surface having a uniform cross-sectional profile;
a first barb including a continuous outer surface having a leading edge and a trailing edge, wherein both the leading and trailing edges of the continuous outer surface extend directly from the outer surface of the elongate body, and the elongate body defines a curved, concave first recess adjacent the first barb, a boundary of the curved, concave first recess spaced from the leading and trailing edges of the continuous outer surface of the first barb; and
a second barb opposed to the first barb and including a continuous outer surface having a leading portion and a trailing portion that extend directly from the outer surface of the elongate body.