Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2007-03-06
2007-03-06
Le, Que T. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
C250S559100
Reexamination Certificate
active
11311212
ABSTRACT:
Aspects of the present disclosure include systems and methods for indicating an amount of use of a pulse oximetry sensor. According to one embodiment, the system includes an oximeter that monitors the amount of use for a given sensor. The oximeter and/or the sensor may advantageously include a visual alarm, an audio alarm, a vibrational alarm, a power down function, or the like, which can be activated when a predetermined amount of use has expired. According to another embodiment, the system includes a sensor having a memory device storing a unique identifier.
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Knobbe Martens Olson & Bear LLP
Le Que T.
Masimo Corporation
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