Injection device with tensioning spring and tensioning element
US8343103B2 · kind B2 · utility
87Cited by
5References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 10, 2008 |
| Grant date | Jan 1, 2013 |
| Priority date | — |
| Expiry date | Nov 21, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/581
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An injection device including a receiving device movable in an insertion movement relative to the injection device, a tensioning element, e.g. a spring, which bears on a part of the injection device, and a coupling element for coupling the receiving device to the spring such that, during an insertion movement of the receiving device the spring is tensioned. In some embodiments, the invention encompasses a method for preparing an injection device for dispensing a substance from an ampoule, wherein a discharging spring of the injection device is tensioned by introduction of the ampoule into the injection device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.