Endoscope injection needle

Details Endoscope injection needle Endoscope injection needle

1983-01-25

1985-06-25

Coven, Edward M.

Surgery

Truss

Pad

12830318, 604160, A61B 1739

Patent

active

045247706

ABSTRACT:
The present invention is directed to an attachment tool (10) for use with an endoscopic instrument (30). Instrument (30) includes a working element (74) having a mechanism (28) for clamping an accessory such as tool (10). Tool (10) includes a hollow needle (12) attached to a hollow shaft (14). A flexible tube (16) passes through shaft (14) to provide fluid communication between a syringe mechanism and needle (12). End element (18) has portion (34) which is held by clamping mechanism (28). An electrical path is provided by wire (20) between element (18) and needle (12) whereby tool (10) may function not only as an injection needle but as a needle electrode.

REFERENCES:
patent: 3620500 (1971-11-01), Santomieri
patent: 3682162 (1972-08-01), Colyer
patent: 3834392 (1974-09-01), Lampman et al.
patent: 4237871 (1980-12-01), Bonnet
ACMI Urology Catalog, no date.
"VPI Needles", no date.

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