Injection device with puncture function, method for controlling injection device with puncture function, chemical solution administration device, and method for controlling chemical solution administration device
US8945056B2 · kind B2 · utility
14Cited by
13References
15Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 22, 2012 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | Sep 28, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2230/201
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An injection device with a puncture function includes, in a single casing, a cylindrical cartridge in which insulin is enclosed, a cartridge holder to which the cartridge is inserted, a needle inserted at a front end of the cartridge, a reciprocation unit for reciprocating the cartridge toward the needle, and an extrusion member for extruding the insulin from a rear end of the cartridge toward the needle, and the motion speed and the motion amount of the reciprocation unit are made variable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.