Patent ID: 9702793
Date: 2017-07-11
CPC Classifications: G01N

Claim:
1. A variable volume capture device comprising: a linear actuator secured to a plunger at a first end of said plunger; said linear actuator is programmable for stroke length; said plunger having a second end with a funnel entrance; said plunger having an upper fluid port between said first end and said second end; said funnel entrance being connected to said fluid port; said second end of said plunger fitting within a syringe barrel at a first end of said syringe barrel; said syringe barrel having a second end with a syringe nose piece and a lower fluid ports; a first valve connected to said lower fluid port; whereby said linear actuator moves said plunger within said syringe barrel to withdraw a sample through said lower fluid port and into said syringe barrel and further, said linear actuator moves said plunger to expel said sample out said upper fluid port; said syringe barrel is cleaned by cycling said plunger; and wherein said syringe barrel is mounted to a base, and said linear actuator is located distal from said base, and a plurality of frame members support said linear actuator above said plunger and said syringe barrel on said base.