A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 9/007 (2006.01)
Patent
CA 2421569
A surge-flow regulator (36) for use with an ophthalmic surgical instrument (12) having an infusion line (20) adapted to irrigate a surgical site with fluid and an aspiration line (24) adapted to carry the fluid and particles of lenticular debris away from the surgical site. The surge-flow regulator (36) includes a flow limiting device (40) that is placed in fluid communication with the aspiration line (24) to control surge-flow of the aspirated fluid and lenticular debris through the aspiration line (24). The lenticular debris carried in the aspiration line (24) is processed into smaller particles before the fluid and debris are introduced to the flow limiting device (40).
La présente invention concerne un régulateur de surpression (36) utilisé avec un instrument chirurgical ophtalmique (12) comprenant une tubulure de perfusion (20) apte à irriguer un site chirurgical avec un liquide et une tubulure d'aspiration (24) apte à emporter le liquide et les particules de débris lenticulaires loin du site chirurgical. Le régulateur de surpression (36) de l'invention comprend un dispositif de limitation de débit (40) qui est placé en communication fluidique avec la tubulure d'aspiration (24) afin de limiter l'augmentation soudaine du débit du liquide et des débris lenticulaires aspirés à travers la tubulure d'aspiration (24). Les débris lenticulaires transportés dans la tubulure d'aspiration (24) sont traités en particules plus petites avant leur introduction, avec le liquide, dans le dispositif de limitation de débit (40).
Cionni Robert J.
Macrae & Co.
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