Electronically controlled artificial intervertebral disc with motor assisted actuation systems
US9492282B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2010 |
| Grant date | Nov 15, 2016 |
| Priority date | — |
| Expiry date | Oct 2, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0006
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An electronically assisted artificial vertebral disc having an upper disc plate and a lower disc plate is disclosed. An actuator imparts movement to at least one of the upper and lower disc plates. A control device controls the actuator and the amount of movement between the disc plates. The actuator includes a plurality of either linear actuators or rotary actuators that are driven by electric motors in response to the control device. The control device includes at least a first sensor for detecting the position of the actuator and at least a second sensor for detecting the spatial orientation of at least one of the upper and lower disc plates. The control device also preferably includes a microprocessor that calculates the desired positions of the upper and lower disc plates and provides a control signal to the actuator to drive the upper and lower disc plates to their desired positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.