Intraocular surgical scissors

Details Intraocular surgical scissors Intraocular surgical scissors

A - Human Necessities

61

B

A61B 17/32 (2006.01) A61F 9/007 (2006.01)

Patent

CA 2112095

2112095 9305718 PCTABS00021 An intraocular scissors (20) including a handpiece (22) which supports a detachable assembly (24) having a pair of elongated relatively reciprocable blade members (28, 30) suitable for intraocular surgery. One of the blade members (28) is fixedly mounted with respect to the handpiece (22) and the other (30) is mounted for reciprocating movement. Drive means (26) including a linear actuator are provided to operate the scissors (20) in various modes including different rates of movement of the reciprocating blade member (30). The various modes include (1) oscillating the blades open and closed at a low frequency of 1-5 cps; (2) oscillating at low frequency and simultaneously vibrating at a high frequency; and (3) vibrating the blades a small amount at a high frequency of 500 cps or greater with the blades in a selected partially open position.

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