Self-introducing infusion catheter

Details Self-introducing infusion catheter Self-introducing infusion catheter

1994-05-12

1997-02-25

McDermott, Corrine M.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604 21, 606 37, 606 40, 606 49, A61M 100

Patent

active

056055390

ABSTRACT:
A self-introducing infusion catheter comprises a substantially rigid, elongate shaft having a longitudinal passage therethrough and an infusion port at its distal end. An electrode is further mounted at the distal end. The electrode is electrically coupled to a connector at the proximal end of the shaft which may be connected to an electrosurgical power supply. The connector is further in communication with the passage in the shaft and provides fluid connection with an infusion fluid delivery device. In the method of the invention, the catheter is connected to an electrosurgical power supply and ablative energy is applied to abdominal tissue through the electrode. This facilitates penetration of the tissue to position the device in the abdominal cavity through the abdominal wall. The distal end of the catheter is positioned through an incision in a body structure, such as the cystic duct, and the proximal end is connected to an infusion fluid delivery device. The distal end is clamped in position in the duct, and an infusion fluid such as contrast medium is infused into the duct.

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