US 12,433,672 B2
Interface joint for interconnecting an electrosurgical generator and an electrosurgical instrument
Christopher Paul Hancock, Bath (GB); Leif Geoghegan, Chepstow (GB); Rohan Monico, Chepstow (GB); Steve Morris, Chepstow (GB); Craig Gulliford, Chepstow (GB); Huw Hopkins, Chepstow (GB); Louis Turner, Chepstow (GB); and Robert Pluta, Chepstow (GB)
Assigned to CREO MEDICAL LIMITED, Chepstow (GB)
Appl. No. 17/294,218
Filed by CREO MEDICAL LIMITED, Monmouth (GB)
PCT Filed Nov. 19, 2019, PCT No. PCT/EP2019/081735
§ 371(c)(1), (2) Date May 14, 2021,
PCT Pub. No. WO2020/104419, PCT Pub. Date May 28, 2020.
Claims priority of application No. 1818869 (GB), filed on Nov. 20, 2018.
Prior Publication US 2022/0000554 A1, Jan. 6, 2022
Int. Cl. A61B 18/18 (2006.01); A61B 18/00 (2006.01); A61B 90/00 (2016.01)
CPC A61B 18/1815 (2013.01) [A61B 90/03 (2016.02); A61B 2018/00178 (2013.01); A61B 2018/00196 (2013.01); A61B 2018/00607 (2013.01); A61B 2018/0091 (2013.01); A61B 2018/1861 (2013.01); A61B 2090/034 (2016.02)] 15 Claims
OG exemplary drawing
 
1. An interface joint for interconnecting an electrosurgical generator and an electrosurgical instrument, the interface joint comprising:
a housing having:
an inlet for receiving electromagnetic energy from the electrosurgical generator, and
an outlet;
a slidable trigger on the housing, the slidable trigger being attached to a push rod that extends out of the housing through the outlet;
a single cable assembly for connecting the outlet to the electrosurgical instrument, the single cable assembly comprising a flexible sleeve that conveys the push rod and a coaxial cable that is connected to the inlet; and
a reinforcement element coupled to a first portion of the push rod so as to reinforce the first portion, the first portion being located partly or completely inside the housing;
wherein the flexible sleeve comprises an internal tube surrounding a second portion of the push rod, the internal tube being free to slide with respect to the push rod and the housing.