Patent ID: 6427847
Filing Date: 2002-08-06
Classification: A61M

Abstract:
A biological fluid filter, comprising:a) an inlet section having an inlet, a first passage in fluid communication with said inlet, a first port in fluid communication with said first passage, an inlet chamber in fluid communication port, and a second passage in fluid communication with said inlet chamber and a first vent chamber; and b) an outlet section comprising an outlet chamber, a fourth passage in fluid communication with said outlet chamber, a third passage in fluid communication with said fourth passage and a second vent chamber, and an outlet in fluid communication with said third passage and said fourth passage; c) a second vent chamber in fluid communication with said third passage; d) a first vent chamber in fluid communication with said inlet chamber through said second passage; e) a vent filter element separating said first vent chamber from said second vent chamber; and f) a biological filter element separating said inlet chamber from said outlet chamber.