Methods and devices utilizing rheological materials
US7288075B2 · kind B2 · utility
83Cited by
8References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2002 |
| Grant date | Oct 30, 2007 |
| Priority date | — |
| Expiry date | Oct 22, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R25/558
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Impression devices are provided for making an impression of a desired feature. The impression devices include: a flexible bladder having a cavity formed therein, the flexible bladder being capable of conforming to the details of the desired feature; a rheological material, such as a magnetorheological fluid, disposed in the cavity of the flexible bladder; and an activator for applying an external stimulus to the rheological material to change the state of the rheological material and thereby capture an impression of the desired feature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.