A tip formation for an instrument for inserting a flexible membrane into an eye is formed at the distal end of a cannula. The cannula has a lumen which directs the flexible membrane through an incision and into the eye. The distal end is beveled so as to provide ease of entry into the incision...http://www.google.fr/patents/US5810834?utm_source=gb-gplus-shareBrevet US5810834 - Tip formation for inserting a flexible membrane into an eye
Tip formation for inserting a flexible membrane into an eye