Electrode assembly for sensing heart activity
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United States of America Patent
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-
Jun 6, 1989
Issued Date -
N/A
app pub date -
Aug 14, 1987
filing date -
Dec 24, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrode assembly for sensing heart activity and especially heart activity from a fetal epidermis during the birth of a child. A fetal electrode introducer includes a rigid guide tube with an intermediate universal joint which allows the guide tube to be bent at the best angle to accommodate each patient. The intermediate joint allows a smooth transmission of the rotary motion manually applied at a distal handle to drive the electrode into the fetal epidermis. A sliding sleeve covers the fetal electrode to provide a bearing for rotation, protects the electrode from contamination, and also serves as a resistance means to indicate to the user that the assembly has abutted against the fetal epidermis. Such resisting means includes either a detent or lockable system, or a breakable membrane.
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