Autoclavable electrical switch assembly for use with a medical device and medical device using the same
US5512721A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 1993 |
| Grant date | Apr 30, 1996 |
| Priority date | — |
| Expiry date | Sep 28, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2300/014
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An autoclavable electrical switch assembly for use with a medical device having electrical functions comprising a flexible substrate formed of an insulating material and having a first and second surfaces, and having outer margins, first conductive means adherent to the first surface and forming a pattern surrounding an area of the surface and a contact disposed within the area, second conductive means adherent to the second surface and forming a ground plane and at least one, feedthrough means forming a connection between the contact on the first surface and the ground plane on the second surface, a snap dome of a conductive material overlies the contact and engages the pattern surrounding the area, flexible cover means disposed over the first and second surfaces and means for forming a hermetic seal between the outer margins so that the dome is hermetically sealed, said cover means and said hermetic seal being capable of withstanding repeated autoclaving.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.