US 11,890,491 B2
Devices and techniques for cutting and coagulating tissue
Jeffrey D. Messerly, Cincinnati, OH (US); Eitan T. Wiener, Loveland, OH (US); Brian T. Noyes, Yonkers, NY (US); Jeffrey L. Aldridge, Lebanon, OH (US); James R. Giordano, Milford, OH (US); Robert J. Beetel, III, Sunnyvale, CA (US); Daniel J. Abbott, Maple Valley, WA (US); Matthew C. Miller, Cincinnati, OH (US); Aaron C. Voegele, Loveland, OH (US); Jeffrey P. Wiley, Milford, OH (US); Nathan J. Price, Albuquerque, NM (US); Daniel W. Price, Loveland, OH (US); and Robert L. Koch, Jr., Cincinnati, OH (US)
Assigned to Cilag GmbH International, Zug (CH)
Filed by Ethicon LLC, Guaynabo, PR (US)
Filed on Jun. 21, 2019, as Appl. No. 16/448,089.
Application 14/664,233 is a division of application No. 12/896,351, filed on Oct. 1, 2010, granted, now 9,089,360, issued on Jul. 28, 2015.
Application 16/448,089 is a continuation of application No. 15/290,570, filed on Oct. 11, 2016, granted, now 10,335,614.
Application 15/290,570 is a continuation of application No. 14/664,233, filed on Mar. 20, 2015, granted, now 9,504,855, issued on Nov. 29, 2016.
Application 12/896,351 is a continuation in part of application No. 12/503,775, filed on Jul. 15, 2009, granted, now 8,058,771, issued on Nov. 15, 2011.
Claims priority of provisional application 61/250,217, filed on Oct. 9, 2009.
Claims priority of provisional application 61/188,790, filed on Aug. 13, 2008.
Claims priority of provisional application 61/086,619, filed on Aug. 6, 2008.
Prior Publication US 2020/0078609 A1, Mar. 12, 2020
Int. Cl. A61N 7/00 (2006.01); B06B 1/02 (2006.01); G05B 15/02 (2006.01); A61B 18/14 (2006.01); A61N 7/02 (2006.01); A61B 17/32 (2006.01); A61B 5/053 (2021.01); A61B 5/00 (2006.01); A61B 17/00 (2006.01); A61B 18/00 (2006.01); A61B 18/12 (2006.01)
CPC A61N 7/00 (2013.01) [A61B 18/14 (2013.01); A61N 7/02 (2013.01); B06B 1/0284 (2013.01); G05B 15/02 (2013.01); A61B 5/053 (2013.01); A61B 5/4836 (2013.01); A61B 18/1206 (2013.01); A61B 18/1445 (2013.01); A61B 2017/00026 (2013.01); A61B 2017/00084 (2013.01); A61B 2017/00176 (2013.01); A61B 2017/00203 (2013.01); A61B 2017/00973 (2013.01); A61B 2017/320093 (2017.08); A61B 2017/320094 (2017.08); A61B 2017/320095 (2017.08); A61B 2018/00005 (2013.01); A61B 2018/0063 (2013.01); A61B 2018/00303 (2013.01); A61B 2018/00589 (2013.01); A61B 2018/00601 (2013.01); A61B 2018/00666 (2013.01); A61B 2018/00791 (2013.01); A61B 2018/00845 (2013.01); A61B 2018/00875 (2013.01); A61B 2018/00994 (2013.01); B06B 2201/76 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of driving an ultrasonic end effector coupled to an ultrasonic drive system, the method comprising:
driving, by a generator, the ultrasonic end effector at a resonant frequency thereof;
monitoring, by the generator, the resonant frequency of the ultrasonic end effector;
incrementing, by the generator, a timer when the resonant frequency is less than a threshold frequency; and
comparing, by the generator, the timer to a required trigger time.