Shuttle Nib for Control of Stopper During Injection
AssigneePortal Instruments, Inc.
InventorsJessica Ong, Robert J. Dyer, Andrew Coats, Nikolay Lapin
Life of this patent
Estimating the term…
Abstract
A needleless injection system includes a pusher that pushes a plunger within a tapered bore of a cartridge. The pusher includes a nib, the tip of which is a ball.
Claims19
An apparatus comprising a pusher for injecting an injectate through a patient's skin, wherein said pusher being configured to push a plunger in a distal direction through a tapered bore of a cartridge that contains said injectate within a medicinal chamber at a distal end thereof, thereby forcing said injectate out of an orifice at a distal end of said cartridge, wherein said pusher comprises a nib having a ball at a distal end thereof.
A method comprising forcing an injectate through an orifice of a cartridge having a tapered bore that holds said injectate at a distal end thereof, wherein forcing said injectate through said orifice comprises
- causing a ball at a distal tip of a nib of a pusher to be enveloped by a cavity within a plunger that is disposed within said bore and
- using said pusher to accelerate said plunger through said tapered bore of said cartridge towards said orifice.
Dependencies are inferred from the claim text.