| 摘要 |
The present application relates to a fluidics cassette (26, 26a, 26b), comprising a housing (32); an irrigation line (37) and an aspiration line (38), the lines configured to provided irrigation and aspiration functions for an eye treatment probe (22); a ramp (54) configured for transferring fluid through a resilient channel (56) when the resilient channel is engaged by a pump head (50, 70), the ramp comprising: a central portion (80) characterized by a first base curvature (C central ); an entrance portion (82) characterized by a base curvature (C entrance ) that is different from the first base curvature; and an exit portion (84) characterized by a base curvature (C exit ) that is different from the first base curvature; the arcuate extent of the entrance portion being unequal to the arcuate extent of the exit portion. |
