Is a
Patent attributes
Patent Applicant
Patent Jurisdiction
Patent Number
Patent Inventor Names
Francisco Javier Ochoa0
Date of Patent
February 2, 2021
0Patent Application Number
160324410
Date Filed
July 11, 2018
0Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
A cannula may include a tubular section having a distal end, a proximal end, and forming a passage, and an elastomeric membrane coupled to and encircling the tubular section. The cannula may also include a valve that is movable between an open condition and a closed condition to selectively provide access to the passage defined by the tubular section. When the tubular section is inserted into an eye during an ophthalmic surgery, a concave surface of the elastomeric membrane acts as a suction cup to retain the cannula device onto a surface of an eye.
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