Electrosurgery with infiltration anesthesia

Details Electrosurgery with infiltration anesthesia Electrosurgery with infiltration anesthesia

2006-02-28

2006-02-28

Rollins, Rosiland (Department: 3739)

Surgery

Miscellaneous

Methods

C600S565000, C600S564000, C606S045000

Reexamination Certificate

active

07004174

ABSTRACT:
Method for carrying out the recovery of an intact volume of tissue wherein a delivery cannula tip is positioned in confronting adjacency with the volume of tissue to be recovered. The electrosurgical generator employed to form an arc at a capture component extending from the tip is configured having a resistance-power profile which permits recovery of the specimen without excessive thermal artifact while providing sufficient power to sustain a cutting arc. For the recovery procedure, a local anesthetic employing a diluent which exhibits a higher resistivity is utilized and the method for deploying the capture component involves an intermittent formation of a cutting arc with capture component actuation interspersed with pauses of duration effective to evacuate any accumulation or pockets of local anesthetic solution encountered by the cutting electrodes.

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patent: 6565561 (2003-05-01), Goble et al.
J. A. Pearce, PHD,Electrosurgery, John Wiley & Sons, New York, pp 68-77 (1986).
0.4%and 0.8%Lidocaine Hydrochloride and 5%Dextrose Injection, USP, Abbott Laboratories, North Chicago, IL, publication 58-6335-R12-Rev Dec. 2000.
J. E. Tetzlaff,Clinical Pharmacology of Local Anesthetics, Butterworth Heinemann, Woburn, MA, pp 15-23, 85-95.

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