US 12,239,497 B2
Instrument flushing system
Bram Gilbert Antoon Lambrecht, Redwood City, CA (US); S. Christopher Anderson, San Francisco, CA (US); and Thomas G. Cooper, Menlo Park, CA (US)
Assigned to Intuitive Surgical Operations, Inc., Sunnyvale, CA (US)
Filed by Intuitive Surgical Operations, Inc., Sunnyvale, CA (US)
Filed on Oct. 4, 2023, as Appl. No. 18/376,726.
Application 18/376,726 is a continuation of application No. 17/980,058, filed on Nov. 3, 2022, granted, now 11,805,975.
Application 17/980,058 is a continuation of application No. 17/306,498, filed on May 3, 2021, granted, now 11,517,397, issued on Dec. 6, 2022.
Application 17/306,498 is a continuation of application No. 16/317,222, granted, now 11,000,345, issued on May 11, 2021, previously published as PCT/US2017/038689, filed on Jun. 22, 2017.
Claims priority of provisional application 62/362,386, filed on Jul. 14, 2016.
Prior Publication US 2024/0090972 A1, Mar. 21, 2024
Int. Cl. A61B 90/00 (2016.01); A61B 34/30 (2016.01); A61B 90/70 (2016.01); B08B 9/032 (2006.01); A61B 17/00 (2006.01); A61B 17/29 (2006.01)
CPC A61B 90/70 (2016.02) [A61B 34/30 (2016.02); B08B 9/032 (2013.01); A61B 2017/00477 (2013.01); A61B 2017/2908 (2013.01); A61B 2034/302 (2016.02); B08B 2209/032 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A medical device, comprising:
a shaft;
a roll gear coupled to the shaft and configured to transmit rotation from a roll actuation mechanism to the shaft;
a proximal roll bearing coupled to the shaft proximally from the roll gear;
a distal roll bearing coupled to the shaft distally from the roll gear, the proximal roll bearing and the distal roll bearing each configured to seal against leakage of fluid about an outer surface of the shaft;
a housing coupled to the shaft and including a fluid inlet and a trough;
a fluid channel defined between the fluid inlet and a proximal portion of the shaft; and
a gap defined between the housing and the roll gear being sized to direct a fluid from the fluid inlet, through the trough and into a lumen of the shaft.