Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate
2005-09-06
2005-09-06
Bryant, David P. (Department: 3726)
Metal working
Method of mechanical manufacture
Assembling or joining
Reexamination Certificate
active
06938319
ABSTRACT:
An actuating mechanism for rapidly and selectively moving a threaded screw and nut member combination into or out of threaded engagement, particularly for use to pressurize angioplasty balloon catheters, or the like. The mechanism includes a housing and a threaded screw structure slidably displaceable through the housing. A nut member having partial threads is selectively engageable and disengageable with the threaded screw structure. The mechanism includes a carrier member and is designed to be assembled from the rear. The carrier member is preferably configured to be retainably engaged with the housing via a bayonet arrangement, such as a quarter-turn bayonet arrangement, and is configured to provide an audible indication when it is, in fact, properly and fully installed. Preferably, the housing is configured to receive a pressure gauge directly into a threaded bore on the housing. An improved method of assembling an actuating mechanism is also provided.
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Davis Richard M.
Kanner Rowland W.
Atrion Medical Products, Inc.
Bryant David P.
Trexler, Bushnell Giangiorgi, Blackstone & Marr, Ltd.
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