Introduction apparatus for a fetal scalp electrode

Details Introduction apparatus for a fetal scalp electrode Introduction apparatus for a fetal scalp electrode

1993-08-02

1995-06-13

Cohen, Lee S.

Surgery

Truss

Pad

A61B 50448

Patent

active

054233143

ABSTRACT:
An introduction apparatus for a fetal scalp electrode comprises an electrode head that is rotatably fixed but disengageably connected to an inner tube. During introduction, both are surrounded by an outer tube. According to the invention, there is also a disengageable driving connection between the electrode head and the outer tube. This driving connection is configured in preferred embodiments of the invention as a bayonet connection, or as a spring-loaded stop apparatus. Further embodiments provide for a shearable or threaded-like connection.

REFERENCES:
patent: Re28990 (1976-10-01), Hon et al.
patent: 3750650 (1973-08-01), Ruttgers
patent: 3804080 (1974-04-01), Ruttgers et al.
patent: 4281659 (1981-08-01), Farrar et al.
patent: 4301806 (1981-11-01), Helfer
patent: 4321931 (1982-03-01), Hon
patent: 4836208 (1989-06-01), Ulbrich
patent: 4934371 (1990-06-01), Malis et al.
patent: 5012811 (1991-05-01), Malis et al.

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