Patent ID: 11918192
Assignee: THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK
Field: Measurement (Instruments)
Classification: CPC A  B  G | IPC A  B  G

Claim 15:
16. A medical apparatus, comprising:
an elongate tubular body having a proximal end, an opening at the proximal end, and a distal end defining an interior space therebetween, and a distalmost end of the elongate tubular body configured to matingly engage a filter assembly;
a filter assembly configured to matingly engage a distal portion of the elongate tubular body and to provide a seal with the interior space thereof, the filter assembly comprising a filter membrane and a border that is sectionable for mounting on a slide for analysis on a microscope; and
a base member configured to releasably engage the distalmost end of the elongate tubular body and to receive the filter assembly therein.