PNEUMATIC APPARATUS FOR REPLACEMENT UNDER PRESSURE OF LIQUID FROM SYRINGE Russian patent published in 2007 - IPC A61M29/00 A61M5/142 A61M5/145 

Abstract RU 2297853 C2

FIELD: medical equipment, in particular, laparoscopic instruments.

SUBSTANCE: apparatus has syringe with piston and pipe connection, cylinder with compressed CO2 gas, said cylinder being equipped with lead plug to be punctured, cylinder holder with manometer, and needle provided with channel. Needle is positioned centrally of cylinder holder bottom. Cylinder is adapted for joining with holder. Apparatus is further provided with three-way valve to be coupled to connection pipe. Syringe may be hermetically inserted into cylinder, which is enabled by layer. Holder has cover with screw located therein and having handle at its proximal end and ejector at its distal end. Ejector provides putting of cylinder onto needle upon rotation of handle.

EFFECT: increased efficiency in forcing out of liquid under pressure from syringe.

3 cl, 1 dwg

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RU 2 297 853 C2

Authors

Kulik Jaroslav Petrovich

Dates

2007-04-27Published

2005-07-27Filed