Needle electrode assembly
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United States of America Patent
Stats
-
Jan 9, 1996
Grant Date -
N/A
app pub date -
Jun 28, 1994
filing date -
Jun 28, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A holder (16) for releasably holding needle electrodes (18). The holder (16) includes a body (26) having a base slidably mounted within the body. Depressing the base into the body (26) releases a gripping assembly (50) located within the body (26) allowing a needle electrode (18) inserted into the holder to be removed. Releasing the base (24) causes the gripping assembly to engage a needle electrode inserted into the holder. The gripping mechanism (50) includes a chuck (60) having an opening sized to receive the needle electrode (18). The chuck engages a ferrule (73) that depresses the jaws (70) of the chuck (68) radially inwardly with respect to each other to reduce the size of the opening in the chuck thus holding a needle electrode (18) inserted into the chuck (68).
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