US 12,329,474 B2
Drive transfer
Ben Robert Chaplin, Cambridge (GB); James Oliver Grant, Cambridge (GB); Keith Marshall, Cambridge (GB); Nikki Priyam Su-Ling Phoolchund, Cambridge (GB); and Thomas Bates Jackson, Cambridge (GB)
Assigned to CMR SURGICAL LIMITED, Cambridge (GB)
Filed by CMR SURGICAL LIMITED, Cambridge (GB)
Filed on May 24, 2022, as Appl. No. 17/664,705.
Application 17/664,705 is a continuation of application No. 16/321,750, granted, now 11,369,441, previously published as PCT/GB2017/052191, filed on Jul. 27, 2017.
Claims priority of application No. 1613094 (GB), filed on Jul. 29, 2016.
Prior Publication US 2022/0331020 A1, Oct. 20, 2022
Int. Cl. A61B 34/30 (2016.01); A61B 46/10 (2016.01); A61B 17/00 (2006.01); A61B 17/29 (2006.01)
CPC A61B 34/30 (2016.02) [A61B 46/10 (2016.02); A61B 2017/0023 (2013.01); A61B 2017/00477 (2013.01); A61B 17/29 (2013.01); A61B 2034/302 (2016.02); A61B 2034/305 (2016.02)] 12 Claims
OG exemplary drawing
 
1. A surgical drive assembly locatable on a distal end of a surgical robot arm for transferring drive between the robot arm and an instrument attachable to the robot arm, the drive assembly comprising:
a drive assembly interface and a drive assembly interface element which is movable relative to the drive assembly interface, the drive assembly interface element comprising:
a body;
an interface protrusion; and
a buttress portion between the body and the interface protrusion for resisting bending of the drive assembly interface element, in which the buttress portion is provided on the sides of the drive assembly interface element towards and away from a direction in which the drive assembly interface element is movable.