Patent ID: 8771257

Claim:
A drug delivery system comprising: a sheath comprising: an annular wall defining a cannula having at least one channel extending partially therethrough; at least one lateral recess comprising: a first lateral recess defined by the annular wall and seating a first rupturable cassette containing therapeutic agents, the first lateral recess having at least one first inlet port; a second lateral recess defined by the annular wall and seating a second rupturable cassette containing therapeutic agents, the second lateral recess having at least one second inlet port; and at least one manifold comprising: a first manifold in fluid communication with the at least one channel and in fluid communication with the at least one first inlet port; and a second manifold in fluid communication with the at least one channel and in fluid communication with the at least one second inlet port; and a pressurized gas source comprising: an actuator valve; and a conduit connecting the pressurized gas source to the at least one channel of the sheath; wherein, prior to an introduction of pressurized gas into the at least one channel, the first rupturable cassette contains therapeutic agents and the second rupturable cassette contains therapeutic agents.