Patent ID: 8641642

Claim:
A biological sample collection system comprising: a buffer container including a buffer solution, the buffer container including a resealable opening to receive the sample collector at least to the connector; a handle; and a sample collector detachably coupled to the handle at a connector and insertable into the buffer container at least to the connector, the sample collector having a front side to go against a tissue surface for collecting a sample, and an opposed back side, the sample collector including a plurality of sample protrusions disposed upon the front side, wherein each sample protrusion of the plurality of sample protrusions projects from the front side to a rounded terminal end and includes a convex exterior surface oriented away from the handle and a concave surface defining an exposed cavity oriented toward the handle, wherein at least a portion of the sample collector exposed cavities are in fluid communication with one or more sample apertures, the sample apertures extending through the sample collector from the front side through the back side to form open channels from the front to the back sides.