Patent ID: 7662110
Filing Date: 2010-02-16
Classification: A61B,A61M

Abstract:
1. A device for collecting blood from and administering medical fluids to a patient, comprising: a main tubing segment for conveying the blood and the medical fluids; an indicator unit and an access port disposed in bidirectional fluid communication with said main tubing segment in branched relationship to each other at a tubing branch, said indicator unit adapted for indicating blood volume; wherein said indicator unit has a fluid-sealed first end disposed in fluid communication with and proximate said main tubing segment, a second end distal to said main tubing segment relative to said first end, an air flow pathway defined through said indicator unit between said first end and said second end and a bidirectional liquid flow pathway defined in coinciding relationship with said air flow pathway between said first end and said second end; a clamp operably engaging said main tubing segment and adapted to selectively block and unblock flow of the fluids in both directions through said main tubing segment; and at least one air-permeable and liquid-impermeable membrane provided at said second end of said indicator unit.