TRACTION-LIMITING VITRECETOMY PROBE

摘要

Apparatuses, systems, and methods are described for selectively generating an aspiration flow within a surgical instrument. Particularly, the disclosure describes example vitrectomy probes operable to selectively generate an aspiration flow in relation to operation of the cutter of the vitrectomy probe.

主权项

1. A surgical instrument comprising:
a body; a cutter coupled to the body, the cutter comprising:
an outer cutting member comprising a port;an inner cutting assembly slideable within the outer cutting member, the inner cutting assembly comprising:
an inner cutting member; anda valve selectable between an open configuration and a closed configuration; and a motor operable to reciprocate the inner cutting assembly between an extended position and a retracted position.