Patent ID: 9095409
Filing Date: 2015-08-04
Classification: A61B,A61F

Abstract:
1. A vitrectomy probe comprising: a housing; a chamber formed in the housing; a cutter extending longitudinally from a first end of the housing, the cutter comprising: a motor operable to reciprocate the interior assembly; an arrangement comprising: a stroke limiter threadably engaged with the housing and configured to engage one of an end of the interior assembly or a surface of the motor to define the size of the adjustable port, the stroke limiter moveable in a third direction to decrease a size of the adjustable port and moveably in a fourth direction opposite the third direction to increase a size of the adjustable port, the stroke limiter comprising a geared surface operably engaged with the first gear, the stroke limiter moveable in the third direction in response to a movement of the piston in the first direction and moveable in the fourth direction in response to a movement of the piston in the second direction.