Electrosurgical handpiece with locking nose piece

Details Electrosurgical handpiece with locking nose piece Electrosurgical handpiece with locking nose piece

1995-12-11

1997-05-20

Sykes, Angela D.

Surgery

Instruments

Electrical application

606 1, 606 45, 606 49, A61B 1739

Patent

active

056308124

ABSTRACT:
An electrosurgical handpiece comprises a handle and a nose piece for threaded engagement with the handle, together with a collet member which cooperates with the handle and nose piece for removably receiving and locking an electrosurgical electrode to the handle. The mating handle and nose piece are provided with locking structure adjacent their threaded portions which will automatically lock the nose piece to the handle when assembled and thus prevent the nose piece from detaching from the handle while still allowing the nose piece when the electrosurgical handpiece is in use to rotate sufficiently to cause the collet to lock and unlock to an electrode.

REFERENCES:
patent: 3870047 (1975-03-01), Gonser
patent: 4711239 (1987-12-01), Sorochenko et al.
patent: 4754754 (1988-07-01), Garito et al.
patent: 5125058 (1992-06-01), Tenerz et al.
patent: 5196007 (1993-03-01), Ellman et al.
patent: 5267998 (1993-12-01), Hagen
patent: 5456683 (1995-10-01), Fritzsch et al.

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