US 11,806,281 B2
Ophthalmic surgery instrument
Kazuo Ichikawa, Nagoya (JP); and Hiroto Toda, Nagoya (JP)
Assigned to CHUKYO MEDICAL CO., INC., Nagoya (JP)
Filed by CHUKYO MEDICAL CO., INC., Nagoya (JP)
Filed on Feb. 22, 2021, as Appl. No. 17/181,880.
Claims priority of application No. 2020-037591 (JP), filed on Mar. 5, 2020.
Prior Publication US 2021/0275353 A1, Sep. 9, 2021
Int. Cl. A61F 9/007 (2006.01)
CPC A61F 9/00754 (2013.01) [A61F 9/00736 (2013.01); A61F 9/00781 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An ophthalmic surgery instrument comprising:
a rod shaped portion for inserting into an eyeball during ophthalmic surgery having a single tubular structure having a central axis and extending from a proximal end portion to a distal end portion along the central axis to provide a passage;
an opening located at the distal end portion of the rod shaped portion for discharging a liquid and for aspirating a to-be-excised part of the eyeball through the passage, the opening having an area at a predetermined first slant angle with respect to the central axis of the rod-shaped portion; and
a tapered bent portion located distal of the opening at the distal end portion and extending back towards the proximal end portion of the rod-shaped portion beyond the distal end portion at a predetermined second slant angle with respect to the opening.