04729401 is referenced by 90 patents and cites 13 patents.

An aspiration assembly having dual co-axial check valves for pumping medical fluids with a hypodermic syringe, the assembly having a main body with two passageways in offset relationship to each other, with the passageways coming together at a large central cavity within the main body, a central support structure mounted within the central cavity of the main body, a pair of flexible resilient valve disks engaged by the central support structure, and a body cap having an outlet passageway therein for complementarily enclosing the central cavity of the main body and for retaining the central support structure and dual valve disk in co-axial relationship.

Title
Aspiration assembly having dual co-axial check valves
Application Number
7/8364
Publication Number
4729401
Application Date
January 29, 1987
Publication Date
March 8, 1988
Inventor
Kenneth C Raines
Bethlehem
PA, US
Agent
Shoemaker and Mattare
Assignee
Burron Medical
PA, US
IPC
F16K 15/14
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