US Patent 11389632 Intradermal drug delivery device

An intradermal fluid delivery device that uses a processor controlled electromechanical delivery mechanism is provided. An air pump pushes fluid containing medication or saline from a fluid compartment through a microneedle array into a person's skin. The processor repeatedly turns the air pump on or off, for the fluid to gradually be injected into the person's skin. The processor may be configured to control the total fluid delivery time as well as the granularity of the fluid delivery. The total fluid delivery time may be set to T, and the time period T may be divided into smaller periods t