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

Claim 3:
4. The sampling device according to claim 1,
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 the filtration assembly is configured such that movement of the plunger head within the tubular container, when the liquid specimen sample is contained in the tubular container and the filter is disposed in 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.