Patent ID: 7708701
Filing Date: 2010-05-04
Classification: A61B,A61M

Abstract:
1. A device for use in penetrating tissue to obtain a body fluid sample, comprising: a disposable; a plurality of penetrating members positioned in said disposable and each of a penetrating member being housing in an associated chamber in the disposable, each of said penetrating members having a distal end sufficiently sharp to pierce tissue, each of said penetrating members being moveable relative to the other ones of the penetrating members so that the sharpened distal ends extend radially outward to penetrate tissue; and wherein said penetrating members are elongate members without molded attachments, each of a penetrating member being coupled to a penetrating member driver with a coupler that couples a penetrating member to the penetrating member driver when the penetrating member is positioned in its associated chamber, and a plurality of ratchet surfaces near an inner radial surface of the disposable.