Motorized syringe with multiple port manifold

Details Motorized syringe with multiple port manifold Motorized syringe with multiple port manifold

1990-01-12

1991-09-10

Yasko, John D.

Surgery

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

Material introduced into and removed from body through...

604152, 604224, 417 28, 417442, A61M 100

Patent

active

050470124

ABSTRACT:
Apparatus for introducing fluids into, and withdrawing fluids from, a hollow organ of the body, in particular a galibladder, for conducting litholysis, comprises a piston-type injection device having a multi-directional valve and which can be removably inserted into an operating mechanism. The injection device has a chamber located in front of its piston and serving as a settling chamber for a mixture of organ secretion and stone sludge removed with the solvent from the hollow organ. The valve is for the sequential connection of the pressure chamber to the hollow organ, to a tank for the solvent, and to a receiving vessel for fluid drawn off.

REFERENCES:
patent: 1748810 (1930-02-01), Wandel
patent: 1850273 (1932-03-01), Thayer
patent: 4218197 (1980-08-01), Meyer et al.
patent: 4367736 (1983-01-01), Gupton
patent: 4475666 (1984-10-01), Bilbrey et al.
patent: 4655744 (1987-04-01), Thistle et al.
patent: 4662868 (1987-05-01), Cambio, Jr.
patent: 4723941 (1988-02-01), Thistle et al.
patent: 4854324 (1989-08-01), Hirschman et al.
patent: 4902276 (1990-02-01), Zakko
patent: 4904237 (1990-02-01), Janese

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