Pistons for injection cartridges

Details Pistons for injection cartridges Pistons for injection cartridges

1997-07-22

1998-04-28

Buiz, Michael Powell

Surgery

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

Treating material introduced into or removed from body...

604219, A61M 5315

Patent

active

057438900

ABSTRACT:
A piston (11) to be used in displacing a liquid inside a cylindrical chamber, such as in an injection cartridge of the dual-chamber type, has at least one of its end surfaces (12) shaped convex such that said end surface or surfaces (12) are essentially planar when the piston has been arranged inside the barrel of said cartridge. Preferably both pistons in the cartridge have such a shape, their planar surfaces facing each other.

REFERENCES:
patent: 782723 (1905-02-01), Campbell
patent: 1031446 (1912-07-01), Hoffman
patent: 3939833 (1976-02-01), Hansson et al.
patent: 4492576 (1985-01-01), Dragan
patent: 4723945 (1988-02-01), Theiling
patent: 4781684 (1988-11-01), Trenner
patent: 4929230 (1990-05-01), Pfleger
patent: 4932941 (1990-06-01), Min et al.
patent: 5176639 (1993-01-01), Pozzi et al.
patent: 5236420 (1993-08-01), Pfleger

Affiliated with

Also associated with

Rating

Pistons for injection cartridges does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pistons for injection cartridges, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pistons for injection cartridges will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1528038