OPHTHALMIC SURGICAL DEVICE FOR CAPSULOTOMY

摘要

A surgical device and procedure are provided for performing microsurgery, including a capsulotomy of a lens capsule of an eye. The device has an elastically deformable cutting element mounted within an elastomeric suction cup. The suction cup is attached to an arm for manipulating the device. The device can be inserted into the anterior chamber of the eye, through a corneal incision, to cut a piece from the anterior portion of the lens capsule of the eye. The device is secured against the lens capsule using suction applied by one or more suction elements. The device is then removed from the eye, with the cut piece of membrane retained within the device by suction.

主权项

1. A surgical device for excising tissue, the device comprising:
a single continuous cutting element including an annular ring shape with a cross section having an inner edge and an outer edge, wherein the cutting element is collapsible for insertion through an incision in a tissue layer to access the tissue for excision, and wherein the cutting element is configured to return to the annular ring shape after the insertion through the incision; two electrical leads attached to the cutting element such that, when an electrical pulse is applied, the electrical pulse is capable of traveling around the entire annular ring shape of the cutting element; and an arm attached to the cutting element and configured for manipulating the cutting element.