Tfx Medical, Inc.

John Falvai

Frank Bimbo

Richard S Riddle

A releasably locking dilator/sheath medical introducer device is provided having a dilator with a non-circular cross-sectional shape to enable insertion of a catheter, guide wire and the like into a patient. More particularly, the invention provides an introducer device that has dilator with a non-circular cross-sectional shape, particularly a substantially oval cross-sectional shape, and that comprises a releasable lock for the dilator and the circumscribing sheath components of the device. In preferred embodiments, the introducer device also includes a visual indicator and/or a tactile indicator to conveniently inform a user of the device whether the dilator/sheath assembly is in a locked or unlocked position. In another aspect, a releasably locking introducer device is provided that has a dilator that can rotate within a circumscribing sheath component wherein the dilator includes a proximal end component that can rotate around the longitudinal axis of the device relative to and independently of the dilator and sheath components to releasably lock the dilator within the circumscribing sheath.

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Peterborough, NH, United States of America

John Falvai