Surgery – Truss – Pad
Patent
1988-04-11
1989-03-21
Coven, Edward M.
Surgery
Truss
Pad
128766, 604231, A61B 514
Patent
active
048134333
ABSTRACT:
A syringe for withdrawing fluids which consists of novel new one-handed operated syringe. Said one-handed or therapeutic syringe is described as a therapeutic syringe comprising a double compartmented housing, a piston disposed in one of said compartments, a piston rod connected to said piston controlling the movement of said piston in a barrel, vent means associated with said piston compartment, said other non-piston compartment being formed with needle hub for supporting a needle and having an opening in fluid communication with said piston compartment whereby when said piston is moved forward in said barrel in said piston compartment, air will be discharged therefrom while drawing liquid into said other compartment.
REFERENCES:
patent: 1704678 (1929-03-01), Brown
patent: 4257426 (1981-03-01), Bailey
Coven Edward M.
Roberts, Jr. John S.
Sykes Angela D.
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