Delivery system for in situ forming foams and methods of using the same

摘要

Delivery systems for in situ forming foam formulations are provided. The devices may include various actuation mechanisms and may entrain air into fluid formulation components in a variety of ways, including mixing with air and the addition of compressed gas.

主权项

1. A medical device, comprising:
a fluid cartridge comprising at least one chamber and at least one piston, wherein a volume of the chamber is determined by a position of the at least one piston; at least one impeller located within the at least one chamber; a static mixer in fluid communication with the chamber, the static mixer including a tip configured for insertion into a body of a patient; a first actuator adapted to move at least one of the impeller and the piston; and a lockout mechanism reversibly coupled to the fluid cartridge, wherein (a) the lockout mechanism is movable between a first configuration which prevents the movement of the at least one piston and a second configuration which permits the movement of the at least one piston and (b) the lockout mechanism moves from the first configuration to the second configuration after the impeller has undergone a predetermined number of rotations within the at least one chamber.