Surgery – Respiratory method or device – Ozone or ion generation
Patent
1975-12-10
1977-06-07
Burr, Edgar S.
Surgery
Respiratory method or device
Ozone or ion generation
1282144, 128349R, A61M 500, A61M 2502
Patent
active
040276686
ABSTRACT:
A U-shaped hub has a plurality of clips formed along its exterior periphery to selectively receive an infusion tube at one of a like plurality of fixed angles relative to a protrusion extending from the periphery of the hub. The junction of the infusion tube and a hollow infusion member, such as an intravenous needle, a sheathed needle, a catheter, a cannula, a styletto-catheter or the like, is embedded within the hub projection. The channel diameter of each hub clip is substantially equal to the outer diameter of the flexible infusion tube to prevent collapse of the tube wall while enabling the initially straight tube to be bent and retained at one of a plurality of angles with respect to the center line of the infusion member to permit the use of a direct tubing connection between an intravenous source and the infusion member and for reducing the danger of lateral movement of the infusion member relative to the body. A novel styletto-catheter having a slidably retractable but non-removable stylette positioned in a separate channel within the wall of the catheter lumen is disclosed for use either with or without the U-shaped hub. The non-removable stylette prevents kinking, twisting and shape-distortion of the infusion member after the insertion thereof.
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Burr Edgar S.
Sewell Paul T.
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