Multi-purpose phacoemulsification needle

A - Human Necessities – 61 – F

Patent

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A61F 9/00 (2006.01)

Patent

CA 2651017

A multipurpose phacoemulsification needle includes a needle body having a lumen therethrough for aspiration of fluids and tissue. A needle body includes a proximal end adapted for attachment to a phacoemulsification handpiece, a curved portion and a tip portion disposed at a distal end of the needle body. The tip portion includes a truncated hemisphere having a flat surface thereon and a port disposed in the fiat surface. The truncated hemisphere includes a rounded surface of sufficient area to enable capsule polishing and when driven in an ultrasonic mode, the needle is also suitable for irrigation and aspiration as well as phacoemulsification of lens tissue.

L'invention concerne une aiguille de phacoémulsification polyvalente qui comprend un corps d'aiguille présentant une lumière par laquelle des liquides et des tissus sont aspirés. Un corps d'aiguille comprend une extrémité proximale conçue pour s'attacher à une pièce à main de phacoémulsification, une partie courbée et une partie de pointe disposées à une extrémité distale du corps de l'aiguille. La partie de pointe comprend une hémisphère tronquée présentant une surface plate et un port disposé dans la surface plate. L'hémisphère tronquée comprend une région de surface arrondie suffisante pour permettre un polissage de capsule et lorsqu'elle est entraînée dans un mode ultrasonique, l'aiguille convient également pour une irrigation et une aspiration ainsi que pour une phacoémulsification de tissu de lentille.

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