Patent ID: 11921018
Assignee: HERO SCIENTIFIC LTD.
Field: Measurement (Instruments)
Classification: CPC G  Y | IPC G

Claim 20:
21. The method according to claim 18,
wherein the plunger rod is shaped so as to define therewithin a waste liquid receptacle,
wherein the plunger head is shaped so as to define a filter support, which is shaped so as to define (a) a distal support surface, (b) a plurality of filtrate-passage openings through the filter support into the waste liquid receptacle, and (c) the plunger-head opening,
wherein the filter is disposed on the distal support surface, and
wherein distally advancing the plunger head within the tubular container pushes at least a portion of the liquid specimen sample through the filter and the filtrate-passage openings and into the waste liquid receptacle.