Patent ID: 11860155
Assignee: CYPHER MEDICAL, LLC
Field: Measurement (Instruments)
Classification: CPC G  A | IPC A  G

Claim 12:
13. A collection device comprising:
a container comprising a first series of markings, said first series of markings providing a measure of sedimented red blood cell volume within the container; and
a blood indicator panel affixed to a surface of the container, said panel comprising a front side and a back side, wherein
the front side comprises a second series of markings providing a measure of blood volume in the container, wherein the second series of markings for blood volume is determined by a formula:

Vb=Vm/(Hct×η), wherein Vb is blood volume measured in milliliters, Vm is the sedimented red blood cell volume measured in milliliters; Hct is an average blood hematocrit value; and η is a packing ratio of sedimented red blood cells.