Dosage device

Details Dosage device Dosage device

2011-03-08

2011-03-08

Sirmons, Kevin C (Department: 3767)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S208000, C604S210000

Reexamination Certificate

active

07901384

ABSTRACT:
A dosage device has a hollow barrel and a plunger slidable within the barrel, and a plurality of formations provided on the barrel and plunger and cooperating with one another to produce a sound signal and a pointed impulse, which corresponds to a predetermined dosage of fluid drawn into or displaced from the barrel. At least one of the barrel and plunger formations which are made of flexible material is configured to have a plurality of spaced-apart segments shaped and dimensioned to improve the quality of the sound signal.

REFERENCES:
patent: 5328476 (1994-07-01), Bidwell
patent: 2004/0158205 (2004-08-01), Savage
patent: 2005/0277882 (2005-12-01), Kriesel
International Preliminary Report on Patentability for International Application No. PCT/US05/026705, Dated Jan. 30, 2007.

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