Dressing with integrated pump and releasably coupled pump actuator

A dressing for treating a tissue site with negative pressure, the dressing comprising:

• a tissue interface adapted to distribute negative pressure across the tissue site;
• a cover adapted to be sealed to epidermis proximate the tissue site;
• and
• a pump, the pump comprising:
• a chamber wall having a drive surface and a flexible wall extending from the drive surface, the chamber wall defining a pump chamber, the pump chamber fluidly coupled to the tissue interface;
• a base extending from the flexible wall of the chamber wall, the base fluidly sealed to the cover;
• a frame coupled to the base, wherein the frame comprises a first bridge, the first bridge located a distance away from the base, and the first bridge configured to cooperate with a pump actuator to releasably secure the pump actuator to the dressing;
• and
• a cantilever spring disposed within the pump chamber, the cantilever spring coupled to the base;
• wherein during operation of the pump, the drive surface is configured to be cycled between an unactuated position and an actuated position, and wherein the drive surface is oriented at a first angle with respect to the base when the drive surface is in the unactuated position;
• and
• wherein the cantilever spring is configured to return the drive surface to the unactuated position.