公开(公告)号：US20220233768A1

公开(公告)日：2022-07-28

申请号：US17647884

申请日：2022-01-13

Applicant: Alcon Inc.

Inventor： Niels Alexander Abt ,  Reto Grüebler

IPC: A61M5/158 ,  A61M31/00 ,  A61M5/142 ,  A61M5/168

Abstract: In certain embodiments, an apparatus is provided for performing a subretinal injection into a subretinal space between a retina and a retinal pigment epithelium of an eye. The apparatus includes an injection needle having a proximal end and a distal end, the distal end configured to be insertable into the subretinal space at a position on a surface of the retina. The apparatus includes a multi-lumen tubing having a distal end coupled to the proximal end of the injection needle and a proximal end coupled to a fluid control unit. The apparatus includes a stabilizer configured to immobilize the injection needle at the position on the surface of the retina. The fluid control unit has a plurality of fluid reservoirs containing a non-treatment solution, a treatment solution, and a working fluid which are injectable into the eye via separate lumens of the multi-lumen tubing.

公开(公告)号：US20220192875A1

公开(公告)日：2022-06-23

申请号：US17457990

申请日：2021-12-07

Applicant: Alcon Inc.

Inventor： Reto Grüebler ,  Simon Nicola Kunz ,  Niccolo Maschio ,  Christoph Siegenthaler

IPC: A61F9/007 ,  A61M1/00

Abstract: Certain embodiments provide an apparatus comprising a hand-piece, an outer tube coupled to the hand-piece, an inner tube housed within the outer tube and having a distal end coupled to a soft tip and a proximal end coupled to an adapter, a proximal end of the adapter coupled to a distal end of a valve, the valve slidably coupled to the hand-piece, and a core slidably coupled to the hand-piece and having a distal end coupled to a proximal end of the valve. To retract the soft tip, the valve is retracted, causing the adapter, the valve, and the core to slidably retract in a proximal direction in relation to the hand-piece, and to extend the soft tip, the valve is protracted, causing the adapter, the valve, and the core to slidably protract in a distal direction in relation to the hand-piece.