Graefe Nerve / Ophthalmic Hook Large (5.5inch) Dunhill 8mm) (7 inch) is a

8mm) (7 inch) is a surgical instrument used for cutting and manipulating bone during orthopedic procedures

and orthodontic work

The curved shape of the catheter allows it to be inserted into the Eustachian tube and the 4mm bore diameter allows for a larger amount of fluid to be drained from the tube

and neurosurgery

The Doyen Retractor Rectangular Blade Small is used to retract tissue during surgery

Graefe Nerve / Ophthalmic Hook Large (5.5inch) Dunhill 8mm) (7 inch) is aA Graefe Nerve Opthalmic Hook Large (5? inch) is a surgical instrument used during ophthalmic surgeries. It is used to manipulate the extraocular muscles and nerves, and to retract the eyelids during surgery.