Surgery – Instruments – Electrical application
Patent
1994-08-09
1996-06-04
Pellegrino, Stephen C.
Surgery
Instruments
Electrical application
606 49, 606 41, 604 21, A61B 1739
Patent
active
055228151
ABSTRACT:
An integrated catheter assembly for enabling diverse in situ therapies includes a catheter with an irrigation fluid lumen, a distal tip portion that acts as a hemostat and a needle for injection therapy that extends through the catheter lumen and a lumen in the distal tip portion. A needle hub structure carries the catheter and provides a sealing entrance for a needle that can be displaced between extended and retracted positions. The needle and electrodes are electrically isolated. The apparatus provides a physician the options of irrigating tissue, cauterizing tissue or injecting tissue without the need for removing the apparatus from the working channel of an endoscope.
REFERENCES:
patent: 5336222 (1994-08-01), Durgin, Jr. et al.
Durgin, Jr. Russell F.
Rowland Christopher A.
Sullivan Roy H.
Vergano Michael G.
Peffley Michael
Pellegrino Stephen C.
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