公开(公告)号：US20230021425A1

公开(公告)日：2023-01-26

申请号：US17811144

申请日：2022-07-07

Applicant: Alcon Inc.

Inventor： James Y. Chon ,  Joel Cicchella ,  Robert Jeffrey Heng ,  Grace Chuang Liao ,  Ashish Sinha

IPC: A61B17/34

Abstract: Embodiments disclosed herein provide devices, systems, and methods for instrument exchanges during ophthalmic surgery. More particularly, the present disclosure relates to valved cannula assemblies and methods of use thereof. A valved cannula assembly includes a cannula having a head at a proximal end of the cannula and a hollow rod extending from the head to a distal end of the cannula. The valved cannula assembly includes a valved hub coupled to the head and including a septum having two or more curved flaps configured to provide an opening for an instrument.