Multiple-dose syringe with collapsible container

Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C604S191000, C604S212000

Reexamination Certificate

active

07011650

ABSTRACT:
A multiple-dose syringe including a barrel with a closed end and an open end, the closed end having an injection port that may be adapted to receive a needle, or that may be adapted to engage a commercially available needle-less system for fluidly connecting a syringe to an IV or a medicine vial. A plunger is slidably disposed through the open end of the barrel. A container is connected to an end of the plunger to move with the plunger. The container has a deformable shell with an opening at a forward end thereof and a predetermined quantity of fluid sealed therein by a closure member disposed over the opening to selectively seal the opening. The closure member includes a valve that opens in response to a fluid pressure differential across the valve. The container is slidably disposed in the barrel and includes a seal proximal to the forward end to form a first cavity in the barrel with a volume that is adjustable by moving the container in the barrel with the plunger so that fluid can be selectively drawn into and expelled from the first cavity, which is contiguous to the injection port. After at least a substantial portion of the fluid is expelled from the first cavity, the shell is configured to be collapsed by further pressure applied by the plunger, and after a predetermined fluid pressure differential across the closure member is reached, the valve of the closure member opens to allow expulsion of the quantity of fluid contained in the container.

REFERENCES:
patent: 2939459 (1960-06-01), Lazarte et al.
patent: 2950717 (1960-08-01), Bouet
patent: 3911916 (1975-10-01), Stevens
patent: 4175704 (1979-11-01), Cohen
patent: 4215701 (1980-08-01), Raitto
patent: 4439184 (1984-03-01), Wheeler
patent: 4702737 (1987-10-01), Pizzino
patent: 4715854 (1987-12-01), Vaillancourt
patent: 5281198 (1994-01-01), Haber et al.
patent: 5308322 (1994-05-01), Tennican et al.
patent: 5489267 (1996-02-01), Moreno et al.
patent: 5637087 (1997-06-01), O'Neil et al.
patent: 5720731 (1998-02-01), Aramata et al.
patent: 6077252 (2000-06-01), Siegel
patent: 6270482 (2001-08-01), Rosoff et al.
patent: 6485471 (2002-11-01), Zivitz et al.
patent: 6558358 (2003-05-01), Rosoff et al.
patent: 6705756 (2004-03-01), Botrie et al.
patent: 6723074 (2004-04-01), Halseth
patent: 3618318 (1987-12-01), None
patent: 2750051 (1997-12-01), None
patent: 10-57487 (1998-08-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Multiple-dose syringe with collapsible container does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multiple-dose syringe with collapsible container, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multiple-dose syringe with collapsible container will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3611449

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.