A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/00 (2006.01)
Patent
CA 2066088
A sensor placement and retention mechanism for use with fetal sensor sites beyond the uses reach are disclosed. The preferred embodiment of this invention is a fetal pulse oximetry sensor having an active face through which a light source and a light detector operate. The sensor includes a handle that facilitates placement of the active face at a sensor site in a preferred region beyond the transcervical region and beyond the reach of the user. A pair of electrodes-- one disposed against the fetus' skin and one exposed to the amniotic fluid-- are used to confirm that the sensor is firmly in place on the fetus. In an optional sensor retention feature, a self-inflating bladder presses the active face of the sensor against the fetus' skin to optically couple the sensor with the tissue at the sensor site.
Chung Christopher
Johansson Eric
Mannheimer Paul D.
Mcnamara Helen M.
Ritson Carl
Nellcor Incorporated
Ridout & Maybee Llp
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