Sealing element for a biomedical electrode
US5722404A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 9, 1996 |
| Grant date | Mar 3, 1998 |
| Priority date | — |
| Expiry date | Aug 9, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/252
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A biomedical vacuum electrode, such as an ECG electrode, is provided with a sealing element which improves performance. The sealing element includes a body and a sealing lip which extends around the body and terminates in a sealing edge at an application side. An inner surface of the sealing lip defines a vacuum chamber adapted in use of the electrode to communicate with a source of vacuum through a vacuum passageway. The vacuum passageway is connected with the vacuum chamber at the inner side of the sealing lip adjacent the sealing edge and opens into the vacuum chamber by way of an annular opening or gap. A contaminant absorber is placed on the side of the sealing element body facing away from the sealing edge to absorb contaminants carried away from the region of the sealing edge through the passageway.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.