Surgery – Truss – Pad
Patent
1982-08-20
1984-09-18
Pellegrino, Stephen C.
Surgery
Truss
Pad
128341, 604160, 604166, A61M 500, A61F 1732
Patent
active
044717784
ABSTRACT:
An apparatus and method for providing a percutaneous or non-dissection opening into a body cavity or hollow viscus. A needle is attached to a syringe for insertion within the body cavity. Operation of the syringe confirms proper location of the needle within the body cavity. The needle is structurally weakened along a longitudinal line and includes elements operable to split the needle along the line to provide a longitudinal slot. An elongated dilator slidably fits through a side opening in a flexible tube and extends through the distal end of the tube. A leader attached to the distal end of the dilator is adapted for insertion through the bore of the needle, the slot in the needle enabling lateral separation of the leader for removal of the needle from the body cavity. The dilator is adapted to be forceably inserted into the body cavity along the path defined by the leader, and is thereafter removable through the side opening in the tube. The tube is thereafter further insertable into the body cavity.
REFERENCES:
patent: 3225762 (1965-12-01), Guttman
patent: 3384087 (1968-05-01), Brummelkamp
patent: 3511243 (1970-05-01), Toy
patent: 3651807 (1972-03-01), Huggins
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