Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Reexamination Certificate
2007-01-30
2007-01-30
Lucchesi, Nicholas D (Department: 3763)
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
C604S187000
Reexamination Certificate
active
10676341
ABSTRACT:
A medication delivery pen is provided having a lead screw with an enlarged portion at a first end thereof and an end longitudinally opposite the first end in contacting engagement with a plunger of a medication cartridge. The lead screw is selectively axially displaceable by a user when selectively administering a predetermined dosage amount of medication for injection into a patient. The medication delivery pen also includes a driver coaxially disposed about the lead screw; and, a reset ring non-rotatably disposed on the driver and axially slidable thereon and therealong. The reset ring is axially movable with respect to the driver when a dosage amount is set by a user of the medication delivery pen. The reset ring engages the enlarged portion of the lead screw upon a predetermined extent of relative axial movement between the reset ring and the lead screw. With this arrangement, the reset ring advantageously prevents setting a dose on a medication delivery pen that is greater than the medication which is available.
REFERENCES:
patent: 5320609 (1994-06-01), Haber et al.
patent: 5591136 (1997-01-01), Gabriel
patent: 5725508 (1998-03-01), Chanoch et al.
patent: 6221046 (2001-04-01), Burroughs et al.
patent: 6221053 (2001-04-01), Walters et al.
patent: 0 937 476 (1999-08-01), None
patent: 937476 (1999-08-01), None
Bendek Antonio
Giambattista Lucio
Becton Dickinson and Company
Fortunato David M.
Hoffmann & Baron , LLP
Koharski Christopher D.
Lucchesi Nicholas D
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