Devices and methods useable for forming small openings in...

Details Devices and methods useable for forming small openings in... Devices and methods useable for forming small openings in...

A - Human Necessities

61

F

A61F 9/007 (2006.01) A61B 18/14 (2006.01)

Patent

CA 2242328

A device and system for creating small, less than 3 mm and preferably about 1 mm in cross dimension, openings in the anterior lens capsule (LC) of a mammalian eye (E) to facilitate insertion of lens reduction/removal device(s) and/or cannulae for injecting flowable lens replacement materials into the lens capsule (LC). The device generally comprises a handpiece (18) having an electrosurgical probe (10) extending forwardly therefrom. The electrosurgical probe (10) incorporates an annular tip electrode (16) which is positionable in contact with the lens capsule (LC), to create the desired less than 3 mm opening therein. The annular electrode tip (16) may be either monopolar or bipolar in design.

L'invention concerne un dispositif et un système pour créer de petites ouvertures présentant une section transversale inférieure à 3 mm et de préférence d'environ 1 mm dans la capsule cristallinienne (LC) antérieure d'un oeil (E) de mammifère, afin de faciliter l'introduction de dispositif(s) de réduction/retrait du cristallin et/ou de canules pour injecter des matériaux fluides de remplacement du cristallin dans la capsule cristallinienne (LC). Ce dispositif comprend en général une pièce à main (18) comportant une sonde électrochirurgicale (10) orientée vers l'avant de la pièce à main. La sonde électrochirurgicale (10) comprend une électrode (16) à pointe annulaire pouvant être positionnée de façon à venir en contact avec la capsule cristallinienne (LC), en vue d'y créer l'ouverture désirée, inférieure à 3 mm. La pointe d'électrode annulaire (16) peut être de type soit monopolaire soit bipolaire.

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