Shape memory device with temperature-dependent deflectable segment and methods of positioning a shape memory device within a bone structure
US10314633B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2017 |
| Grant date | Jun 11, 2019 |
| Priority date | — |
| Expiry date | Sep 8, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/062
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system for augmenting a bone structure. A shape memory device includes a deflectable distal segment including temperature-dependent memory metal material. The shape memory device is slidably received within a guide cannula. The deflectable distal segment may include a substantially longitudinally straightened form, such as when subjected to a force from the guide cannula. The deflectable distal segment forms a first deflected shape having a first bend away from said straight longitudinal axis at a first elevated temperature greater than an initial temperature, and forms a second deflected shape having a second bend away from said straight longitudinal axis at a second elevated temperature greater than said first elevated temperature. The shape memory device may create voids within the bone structure with the deflectable distal segment at the first and/or second bends. Methods for positioning a shape memory device within a bone structure are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.