US 11,903,573 B2
Trocar-cannula assembly cap
James Y. Chon, Irvine, CA (US); Joel Cicchella, Tustin, CA (US); Russell Finlay, Keller, TX (US); Grace Chuang Liao, Irvine, CA (US); and Ashish Sinha, Irvine, CA (US)
Assigned to Alcon Inc., Fribourg (CH)
Filed by Alcon Inc., Fribourg (CH)
Filed on Jul. 7, 2022, as Appl. No. 17/811,127.
Claims priority of provisional application 63/223,682, filed on Jul. 20, 2021.
Prior Publication US 2023/0025096 A1, Jan. 26, 2023
Int. Cl. A61B 17/02 (2006.01); A61B 90/00 (2016.01); A61B 17/00 (2006.01)
CPC A61B 17/0231 (2013.01) [A61B 2017/00424 (2013.01); A61B 2017/00473 (2013.01); A61B 2017/00858 (2013.01); A61B 2017/00907 (2013.01); A61B 2090/3904 (2016.02)] 15 Claims
OG exemplary drawing
 
1. A removable cap for an ophthalmic surgical instrument, comprising:
a body comprising a proximal end and a distal end opposite the proximal end; and
a marking element extending in a first direction from the distal end of the body, the marking element comprising at least one marking tip;
wherein the removable cap is configured to slide over a distal end of a trocar insertion tool that comprises a handle and a trocar extending from the handle for supporting a cannula thereon;
wherein the removable cap comprises an engagement feature that mates with a reciprocal engagement feature on the trocar insertion tool; and
wherein the removable cap is configured to be removed completely from the trocar insertion tool before the trocar insertion tool is used to puncture a sclera of an eye to insert the cannula therein.