Patent ID: 8282577

Claim:
A body fluid sampling system for use on a tissue site, comprising: a drive force generator; a housing with at least a proximal portion and a distal portion, the proximal portion being a handle portion configured to be held by a user, at least a portion of the distal portion having an ergonomically contoured surface adapted to conform to a tip of a finger; a plurality of sample chambers and a plurality of penetrating members operatively couplable to the drive force generator, each of a sample chamber being associated with a penetrating member; a disposable that houses the plurality of sample chambers and the plurality of penetrating members, the disposable being positioned in the distal portion of the housing; a penetrating member sensor positioned to monitor the penetrating member coupled to the force generator, the penetrating member sensor configured to provide information relative to a depth of the penetrating member through a skin surface; and wherein the penetrating member sensor is further configured to provide an indication of velocity of the penetrating member.