Patent ID: 11877955
Assignee: ALCON INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. An infusion cannula, comprising:
a tubular body with a tubular inlet located at a proximal end of the tubular body and a tubular outlet located at a distal end of the tubular body, the tubular outlet aligned with a first longitudinal axis and configured to extend through a septum of a valved cannula hub; and
a retention piece extending from or coupled to the tubular body, the retention piece having an annular body surrounding the tubular body at the distal end of the tubular body and configured to be coupled to the valved cannula hub, wherein an inner surface of the annular body has a profile configured to form a snap fit with an overhang formed along an outer surface of the valved cannula hub;
wherein a slit is formed in the annular body to allow the annular body to expand as the annular body is pressed onto the valved cannula hub and contract as the annular body moves into a fully seated position with the valved cannula hub.