US 12,324,605 B2
Force fit eye cannula with augmented surface
Niels Alexander Abt, Winterthur (CH)
Assigned to Alcon Inc., Fribourg (CH)
Filed by Alcon Inc., Fribourg (CH)
Filed on Oct. 28, 2020, as Appl. No. 17/082,426.
Claims priority of provisional application 62/929,229, filed on Nov. 1, 2019.
Prior Publication US 2021/0128195 A1, May 6, 2021
Int. Cl. A61B 17/34 (2006.01); A61F 9/007 (2006.01)
CPC A61B 17/3423 (2013.01) [A61F 9/00763 (2013.01); A61B 2017/3458 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A cannula to support a surgical procedure in a body of a patient, the cannula comprising:
an outer surface configured with an augmentation region for enhanced frictional resistance to dislodging of the cannula from the body, wherein:
the augmentation region comprises a plurality of individual horizontal rows,
each of the plurality of individual horizontal rows is arranged along a plane perpendicular to a major axis of the cannula;
each of the plurality of individual horizontal rows comprises a plurality of projections extending from the outer surface, and
the projections comprise teeth-like structures.