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Disposable fetal oxygen monitor

  • US 4,537,197 A
  • Filed: 03/06/1981
  • Issued: 08/27/1985
  • Est. Priority Date: 03/06/1981
  • Status: Expired due to Term
First Claim
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1. Surgical equipment comprising an obstetrical scalp cap of soft flexible plastic to be attached to a fetal scalp incidental to monitoring oxygenation of the fetal brain tissue, said cap having on its inner surface one or more recesses communicating with a port in the cap by which vacuum may be delivered thereto to hold the scalp cap in place at the time of expected delivery, said scalp cap including a pair of apertures at the inner surface, and a comolded catheter on the outside of the cap, said catheter having a channel for communicating vacuum to said port and having a pair of channels respectively accommodating fiber optic bundles by which a beam of light may be transmitted to the fetal brain through one of said pairs of apertures and reflected back through the other.

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