Bi-Directional Motion of a Lorentz-Force Actuated Needle-Free Injector (NFI)

摘要

The present invention relate to a method and corresponding apparatus for just in time mixing of a solid or powdered formulation and its subsequent delivery to a biological body. In some embodiments, a powdered formulation is maintained in a first chamber of a plurality of chambers. A plurality of electromagnetic actuators are in communication with the plurality of chambers. The actuators, when activated, generate a pressure within at least the first chamber. The pressure results in mixing of the powdered formulation and a diluent in time for delivering into the biological body.

主权项

1. A method for delivering a drug through a tissue into a biological body, the method comprising:
providing the drug in a chamber; and using a bi-directional electromagnetic actuator to (1) fluidize the drug in a gas inside the chamber, and (2) to eject the fluidized drug through a nozzle with sufficient pressure to penetrate the tissue of the biological body.