Bone cement mixer with a discharge valve attached to the...

Details Bone cement mixer with a discharge valve attached to the... Bone cement mixer with a discharge valve attached to the...

2005-03-08

2010-11-30

Cooley, Charles E (Department: 1797)

Agitating

In vacuum chamber

C366S192000, C366S242000

Reexamination Certificate

active

07841763

ABSTRACT:
The invention relates to a relatively simple, low cost and effective apparatus for mixing and discharging bone cement into a discharging device such as a syringe, while also providing an improved mixing action and producing minimal fumes. The syringe may be connected to an exit port located between the first and second end of the apparatus. The apparatus is able to both prevent and enable communication between a mixing region of the apparatus and the exit port due to presence of a valve and may further comprise a base which may be integral with the valve so that movement of the base creates movement of the valve within the apparatus.

REFERENCES:
patent: 4251473 (1981-02-01), Gilbey
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patent: 2002/0156483 (2002-10-01), Voellmicke et al.
patent: 2005/0105385 (2005-05-01), McGill et al.
patent: 2006/0087912 (2006-04-01), Tague et al.
patent: 2006/0256646 (2006-11-01), Bidoia
patent: 2007/0297271 (2007-12-01), Foster
patent: 1181700 (1983-06-01), None
patent: 1519765 (1988-01-01), None
patent: 99/67015 (1999-12-01), None
GB PTO Search Report dtd. Jun. 20, 2005.

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