One piece stethoscope diaphragm
US10398406B2 · kind B2 · utility
5Cited by
24References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2015 |
| Grant date | Sep 3, 2019 |
| Priority date | — |
| Expiry date | Nov 18, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K11/18
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention is a diaphragm including a disc formed from a first material and a rim formed from a second material. The disc and the rim are a unitary piece. The rim has a Shore A durometer hardness of between about 40 and 110.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.