Lancet
US12213785B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 12, 2017 |
| Grant date | Feb 4, 2025 |
| Priority date | — |
| Expiry date | Oct 25, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/1519
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Provided is a lancet which comprises: a housing provided with an inner sleeve guiding portion and a first needle core guiding portion; an inner sleeve provided inside the housing, wherein the front end of the inner sleeve has an inner sleeve needle outlet, and the inner sleeve is provided with a second needle core guiding portion; a needle core adapted to move axially along the first needle core guiding portion; a spring provided inside the housing to drive the needle core, wherein the inner sleeve guiding portion has a radial rotation angle at a rotation guiding section thereof away from the inner sleeve needle outlet; by pressing towards the inside of the housing, the inner sleeve is guided by the rotation guiding section to rotate such that the first needle core guiding portion is aligned with the second needle core guiding portion in the radial direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.