Cartridges for dispensing gel-like substances

Details Cartridges for dispensing gel-like substances Cartridges for dispensing gel-like substances

1992-03-17

1995-03-28

Lewis, Ralph A.

Surgery

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

Treating material introduced into or removed from body...

222386, 604 57, A61M 5315

Patent

active

054012546

ABSTRACT:
A cartridge for dispensing a substance in a gel-like form comprises a body having a discharge nozzle at its forward end and a piston movable through the body to dispense the product through the nozzle. The interior configuration of the nozzle is such as to prevent dripping of the substance from the nozzle if the cartridge is inverted and preferably this effect is obtained by forming the interior of the nozzle with a venturi-like profile.

REFERENCES:
patent: 659130 (1900-10-01), Bucklin
patent: 1393138 (1921-10-01), Kelley
patent: 2178840 (1939-11-01), Lorenian
patent: 2695735 (1954-11-01), Van Doornik
patent: 2754822 (1956-07-01), Emelock
patent: 2755003 (1956-07-01), Sherbondy
patent: 2847011 (1958-08-01), Jones
patent: 2955627 (1960-10-01), Gaskins
patent: 3884396 (1975-05-01), Gordon et al.
patent: 3923208 (1975-12-01), Bergloff
patent: 4637531 (1987-01-01), Olsson
patent: 4846801 (1989-07-01), Okuda et al.

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