Determination of position of injection needle
US9008764B2 · kind B2 · utility
21Cited by
21References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 20, 2007 |
| Grant date | Apr 14, 2015 |
| Priority date | — |
| Expiry date | Sep 18, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/3317
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to a method for detecting contact between an injection needle of a medication delivery device and a body of a patient. The method comprises the step of generating a contact signal in response to closure of an electrical signal path comprising an exterior surface part of the injection needle, an exterior surface part of a handle of the medication delivery device and at least part of the body of the patient. The present invention further relates to a method for determining the position of insertion of the injection needle, and to the insertion depth of the injection needle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.