Dose setting mechanism and drug delivery device with ratchet mechanism
US10744270B2 · kind B2 · utility
1Cited by
1References
14Claims
0Family size
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Key dates
| Filing date | Nov 24, 2015 |
| Grant date | Aug 18, 2020 |
| Priority date | — |
| Expiry date | May 3, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/582
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dose setting mechanism comprising a first element and a second element; the first element being moveable with respect to the second element; the first element and the second element being coupled by a ratchet mechanism allowing motion of the first element with respect to the second element from a first position to a second position only in a first direction while preventing motion in a second direction that is opposite to the first direction; once passing the second position, the first element being moveable with respect to the second element in the first direction and in the second direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.