US 12,029,468 B2
Method for selectively elevating and separating tissue layers and surgical instrument for performing the method
Klaus Fischer, Nagold (DE); Dan Maurice, Monument Beach, MA (US); John Day, Atlanta, GA (US); and Markus Enderle, Tuebingen (DE)
Assigned to Erbe Elektromedizin GmbH, Tuebingen (DE)
Filed by Erbe Elektromedizin GmbH, Tuebingen (DE)
Filed on Feb. 21, 2020, as Appl. No. 16/798,009.
Application 16/798,009 is a division of application No. 15/423,092, filed on Feb. 2, 2017, granted, now 10,603,095.
Application 15/423,092 is a division of application No. 14/295,949, filed on Jun. 4, 2014, granted, now 9,980,767, issued on May 29, 2018.
Application 14/295,949 is a continuation of application No. 12/285,072, filed on Sep. 29, 2008, granted, now 9,468,486, issued on Oct. 18, 2016.
Application 12/285,072 is a continuation in part of application No. 11/918,251, granted, now 8,979,836, issued on Mar. 17, 2015, previously published as PCT/EP2006/002328, filed on Mar. 14, 2006.
Claims priority of application No. 10 2005 016 602.4 (DE), filed on Apr. 11, 2005; application No. 10 2005 020 948.3 (DE), filed on May 4, 2005; and application No. 10 2005 038 694.6 (DE), filed on Aug. 16, 2005.
Prior Publication US 2020/0188009 A1, Jun. 18, 2020
Int. Cl. A61B 18/14 (2006.01); A61B 17/00 (2006.01); A61B 17/3203 (2006.01); A61B 17/3205 (2006.01); A61B 17/34 (2006.01); A61B 18/04 (2006.01); A61B 18/12 (2006.01); A61B 17/22 (2006.01); A61B 18/00 (2006.01)
CPC A61B 18/042 (2013.01) [A61B 17/00234 (2013.01); A61B 17/3203 (2013.01); A61B 17/32056 (2013.01); A61B 17/3478 (2013.01); A61B 2017/00269 (2013.01); A61B 2017/22074 (2013.01); A61B 2018/00589 (2013.01); A61B 2018/00601 (2013.01); A61B 2018/1407 (2013.01); A61B 18/1482 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A surgical system comprising:
an instrument comprising a probe, the probe comprising:
a first channel configured to introduce a fluid into a tissue; and
an electrode configured to perform electrosurgery, wherein the first channel is within the electrode; and
a pump arrangement configured to supply the fluid to the instrument for needleless injection;
wherein
the first channel is arranged coaxially within the electrode;
the instrument has a proximal end and a distal end; and
the electrode is located on the distal end and configured to be retractable within a second channel and extendable beyond the distal end.