MEDICAL APPARATUS AND METHOD FOR COLLECTING BIOLOGICAL SAMPLES

摘要

A medical apparatus and method of preparing one or more cell blocks. The medical apparatus comprises at least one elongate tubular body having a proximal end and a distal end and a filter membrane disposed between the proximal end and a distal end of the elongate tubular body. The filter membrane, which can include alignment features and structural features to engage the tubular body, and/or cover, is sectionable. In other embodiments, a valve is provided for opening and closing fluid communication with the filter membrane.