Method and apparatus for reducing friction and heat generation b

Details Method and apparatus for reducing friction and heat generation b Method and apparatus for reducing friction and heat generation b

1995-03-08

1996-04-09

Manuel, George

Surgery

Means for introducing or removing material from body for...

With means for cutting, scarifying, or vibrating tissue

606171, A61B 1720

Patent

active

055056938

ABSTRACT:
A surgical instrument for removing tissue, such as a cataract, from a patient's body includes a hollow vibrating needle surrounded by one or two hollow infusion sleeves. Methods and apparatus for reducing friction between the surface(s) of the sleeve(s) and the outer surface of the needle and/or surrounding ocular tissue are disclosed. Such friction reduction dramatically reduces the amount of heat generated during surgery, thus reducing the possibility of thermal damage to tissue.

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patent: 4980231 (1990-12-01), Baker et al.
patent: 5026393 (1991-06-01), Mackool
patent: 5084009 (1992-01-01), Mackool
patent: 5209719 (1993-05-01), Baruch et al.
patent: 5286256 (1994-02-01), Mackool
patent: 5354265 (1994-10-01), Mackool

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