Feedthrough protective cover
US11147978B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2019 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Nov 28, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/3605
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Implantable medical devices have a feedthrough from the device to the outside world to pass electrical current from electronics inside the implant to the patient or vice versa. A plurality of sensors and/or signal wires must connect to the feedthrough and implant in living tissue. Chemical and physical forces work against the wire connections. Embodiments of the present invention include a biocompatible cap or top, shaped to attach onto a rim of the feedthrough device. One or more wire bundle ports are included on the cap. One or two layers of a sealant (e.g., epoxy) can be injected under the cap. A first layer can rigidly protect the wire bonds, and an elastomeric silicone can cover the epoxy for a flexible protector. Other embodiments include an implant housing with a recess for the feedthrough; a top can protect the recess. One or more sealants can cover the feedthrough.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.