Is a
Patent attributes
Patent Applicant
Patent Jurisdiction
Patent Number
Patent Inventor Names
Conrad Sawicz0
Date of Patent
January 19, 2021
0Patent Application Number
162114000
Date Filed
December 6, 2018
0Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent 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.
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