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US 12,295,554 B2Granted
Sample collection device
AssigneeMawi Dna Technologies LLC
InventorBassam El-Fahmawi
Life of this patent
Estimating the term…
Abstract
A sample collection device including a collection tube at least partially defining a storage volume therein, a mouthpiece coupled to the collection tube, the mouthpiece defining a channel providing access to the storage volume, and a filter at least partially positioned within the channel, where the filter is configured to filter a sample as it passes through the channel and into the storage volume.
Claims16
A sample collection device comprising:
- a collection tube at least partially defining a storage volume therein, wherein the storage volume defines an open end, and a closed end opposite the open end;
- and
- a filter at least partially positioned within the storage volume to subdivide the storage volume between a first portion and a second portion, wherein the first portion extends between the filter and the open end and wherein the second portion extends between the filter and the closed end, wherein the filter is configured to filter a sample as it passes between the first portion and the second portion, wherein the filter includes a first surface facing the first portion, wherein the first surface of the filter is positioned closer to the closed end than to the open end wherein the filter includes a perforated wall, and wherein the perforated wall defines a plurality of apertures therein.
A filtering device for use with a collection tube defining a storage volume therein, the filtering device comprising:
- a channel having a first end, and a second end opposite the first end;
- an annular wall at least partially enclosing the channel and extending between the first end and the second end;
- a perforated wall enclosing the second end of the channel, wherein the perforated wall defines a plurality of apertures therein;
- and
- at least one by-pass aperture formed in the annular wall.
2 more elements
Dependencies are inferred from the claim text.