Syringe with a new and improved plug

Details Syringe with a new and improved plug Syringe with a new and improved plug

1997-10-17

2000-04-25

Coggins, Wynn Wood

Surgery

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

Treating material introduced into or removed from body...

604230, A61M 5315

Patent

active

060538953

ABSTRACT:
A medicinal syringe includes a cylinder with a proximal and distal end, and an outlet. The syringe contains, or is adapted to receive, a medicine or a diagnostic agent, and includes a plug. The surfaces of plug which touch the inside wall of the cylinder are preferably made of polytetrafluoroethylene. The material for the cylinder inside wall directly adjoins the surfaces of the plug, which touch the inside wall of the cylinder. The plug has at least one sealing lip and the mass-resultant of the sealing lip forms an acute angle with the axis of the syringe in that distal direction.

REFERENCES:
patent: 546603 (1895-09-01), Tagliabue
patent: 4500310 (1985-02-01), Christinger
patent: 5009646 (1991-04-01), Sudo et al.
patent: 5147328 (1992-09-01), Dragosits et al.
patent: 5256157 (1993-10-01), Samiotes et al.
patent: 5397313 (1995-03-01), Gross
patent: 5620423 (1997-04-01), Eykmann et al.
patent: 5713857 (1998-02-01), Grimard et al.
patent: 5735825 (1998-04-01), Stevens et al.

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