EMERGENCY PORTABLE SUCTION ASPIRATOR

Brand	Owner	Address	Description
ADVANTAGE	Allied Healthcare Products, Inc.	1720 Sublette Avenue St. Louis MO 63110	Emergency portable suction aspirator;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

A back pressure chamber is defined at an end of a rod for acting in a direction to cancel out a pressure applied to a valve head, and an aspirator chamber is defined closely to the valve head for developing a pressure lower than a secondary pressure due to a suction caused by a nozzle. The rod has a first communication hole and a second communication hole that are defined therein which provides fluid communication between the back pressure chamber and the aspirator chamber.