6 matching records for Round Ring.
A line-powered diagnostic ophthalmic instrument, typically hand-held, used in ophthalmic work for examining the corneal topography. The device consists of a specially designed round plate, with a concentric bore and concentric white and black rings (Placido...
A hand-held manual surgical instrument intended to be used during heart valve repair or replacement that enables evaluation of the valve opening (patent annulus) into which the appropriately sized annuloplasty ring or replacement valve will be implanted. It...
A long, hand-held, manual surgical instrument designed to tunnel an artificial passageway along ligament and/or tendon tissue to create a connecting channel. It can have a variety of designs: 1) a long, round, stiff rod that tapers to a rounded point at the...
A hand-held surgical instrument used to cut tonsil tissue during ear/nose/throat (ENT) surgery. It comprises two pivoted blades that are usually provided with a finger and thumb ring-handle and which cut with a shearing action (i.e., the blades cut as the s...
A hand-held manual surgical instrument intended to be used for the general grasping, pulling, or compression of internal structures during a gynaecological surgical intervention; they are not intended for laparoscopic use. It typically has a scissors-like d...
A hand-held manual surgical instrument intended to be used during heart valve repair or replacement that enables evaluation of the valve opening (patent annulus) into which the appropriately sized annuloplasty ring or replacement valve will be implanted. It...