Surgery – Instruments – Electrical application
Patent
1997-06-18
1999-04-06
Cohen, Lee
Surgery
Instruments
Electrical application
606 52, A61B 1739
Patent
active
058911421
ABSTRACT:
Surgical forceps which are configured having oppositely disposed tissue grasping surfaces at the tip regions of corresponding tines. An electrically insulative spacer assembly is positioned on and supported from at least one of the tissue grasping surfaces to space the tissue contacting surfaces apart an optimized distance, T, when the tines are in a substantially closed orientation. A preferred, strip form of spacer assembly formed of an electrically insulative material is employed and improved current paths are defined between the grasping surfaces to derive an efficient and effective hemostasis substantially without sticking of tissue to the surfaces. The geometric configuration of the spacer regions functions to enhance cleanability of the forceps and the tines of the forceps additionally are formed with side and nose surfaces at the tip regions having effective side surface current delivery areas improving forceps performance when used in a coagulative painting modality.
REFERENCES:
patent: 3685518 (1972-08-01), Beuerle et al.
patent: 4274413 (1981-06-01), Hahn et al.
patent: 4492231 (1985-01-01), Auth
Eggers Andrew R.
Eggers Philip E.
Cohen Lee
Eggers & Associates, Inc.
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