Patent ID: 8979798
Filing Date: 2015-03-17
Classification: A61B,A61M,Y10T

Abstract:
1. A pump cassette for releasably mating with a surgical control unit, the control unit defining a cassette receiving slot with a guide track and comprising first and second pressure transducers, the pump cassette comprising: a housing having a protrusion configured and arranged to mate with the guide track during introduction into and final placement within the slot such that the housing is spaced from the pressure transducers during introduction into the slot and contacts the pressure transducers when in final placement within the slot, the housing generally rectangular-shaped and including an upper end, a lower end, a distal end, and a proximal end, the upper and lower ends each including a pair of raised protrusions, a pair of relatively higher raised protrusions, and a pair of trapezoidally shaped protrusions configured to be received within the guide track, and the distal end defining a cassette type recognition slot and a cassette insertion recognition recess which are configured to enable the control unit to recognize a type of the pump cassette and that the pump cassette has been inserted into the control unit.