The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 19, 2021
Filed:
Dec. 06, 2018
Applicant:
Novartis Ag, Basel, CH;
Inventor:
Conrad Sawicz, Lake Forest, CA (US);
Assignee:
Alcon Inc., Fribourg, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 9/007 (2006.01); A61B 17/00 (2006.01); A61B 17/32 (2006.01); A61F 9/008 (2006.01);
U.S. Cl.
CPC ...
A61F 9/00736 (2013.01); A61B 17/00 (2013.01); A61B 17/32 (2013.01); A61F 9/00763 (2013.01); A61B 2017/00017 (2013.01); A61B 2017/00544 (2013.01); A61B 2017/320028 (2013.01); A61F 2009/00874 (2013.01);
Abstract
Systems and methods for driving the cutter of a vitrectomy handpiece using a substantially hermetically sealed system having a pneumatic pump for alternatively creating both positive pressure for pushing a first side of a diaphragm in the vitreous cutter and pulling negative pressure to pull the other side of the diagram, and vice versa.