Instrument for suction electrosurgery

Details Instrument for suction electrosurgery Instrument for suction electrosurgery

1996-02-14

2000-09-12

Bahr, Jennifer

Surgery

Instruments

Electrical application

604 35, A61B 1739

Patent

active

061171344

ABSTRACT:
An instrument for suction and electrosurgery has an elongate body molded of a polymer. A main flow passage extends through the length of the body. A hollow metal aluminum tube extends from the body and attaches to electrosurgical power and is in fluid communication with the passage. The tube extends from the body to the patient passing energy thereto. An open distal end on the body receives the tube on a shelf thereacross to engage and hold the tube. The shelf has opposed tapered camming surfaces and an edge axially spaced proximally within the opened distal end. The edge engages with a spade connector on an insulated cable coupled to the power during insertion of the tube to fold back the spade connector as the tube is received. The camming surface captures the folded spade connector against the tube inserted in a generally cylindrically surround and against the camming surface so radial forces on the inserted tube are equal in radial directions and compression between the inside of the surround and the tube. An interior portion defined by the surround and the shelf receives the tube so the main flow passage is in fluid communication with the tube for transmission of suction. The spade connector at the shelf end of the insulated cable bends to wrap around the edge of the shelf for capture within the interior portion between the camming surface and the tube.

REFERENCES:
patent: 3828780 (1974-08-01), Morrison, Jr.
patent: 4686981 (1987-08-01), Forintos
patent: 4899742 (1990-02-01), Muller
patent: 5275612 (1994-01-01), Bales, Jr.

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