Lever and gear force multiplier medication delivery system for high pressure injection system
US10213553B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2016 |
| Grant date | Feb 26, 2019 |
| Priority date | — |
| Expiry date | Feb 8, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/3152
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method of delivering high pressure medication injections, the method comprising storing a medicament in a cartridge, engaging a lever gear in a lever assembly to a rack, rotating a lever arm in said lever assembly that is connected to said lever gear, moving said rack to move a stopper through said cartridge upon rotation of said lever arm, expelling a medicament dose from said cartridge via movement of said stopper, and injecting said medicament dose through a needle that communicates with said cartridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.