Bent tip electrical surgical probe

Details Bent tip electrical surgical probe Bent tip electrical surgical probe

1998-01-09

2000-11-14

Cohen, Lee

Surgery

Instruments

Electrical application

607 99, 607105, 607113, 607116, A61B 1814

Patent

active

061463809

ABSTRACT:
A medical needle or cannula for stimulation or ablation includes a rigid bent tip for simplified placement at target sites within a patient's anatomy. The curved tip or shaft is used to steer the device within the patient's body and to avoid critical anatomical structures. The device is partially insulated and has a tip that is at least partially electrically exposed; a connection to an external signal generator provides electrical stimulation or high-frequency heating of the patient's tissue proximal to the exposed tip. The device includes a longitudinal passage to facilitate the injection of fluids or the insertion of instruments through the cannula or needle.

REFERENCES:
patent: 3828780 (1974-08-01), Morrison, Jr.
patent: 3943932 (1976-03-01), Woo
patent: 4301802 (1981-11-01), Poler
patent: 4411266 (1983-10-01), Cosman
patent: 5433739 (1995-07-01), Sluijter et al.
patent: 5605539 (1995-02-01), Buelna et al.
patent: 5807395 (1998-09-01), Mulier et al.

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