Delivery apparatus for prosthetic heart valve
US11123185B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2020 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Sep 8, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M39/0613
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Embodiments of the present disclosure provide a delivery apparatus for a prosthetic heart valve. Disclosed delivery apparatuses can include a housing, a steerable shaft, a slide nut, and a threaded shaft disposed over the slide nut. The slide nut can have an external threaded surface and an internal surface comprising a slot. The threaded shaft can have an internal threaded surface engaging the external threaded surface of the slide nut. The delivery apparatus can further include an elongated nut guide extending into the slot of the nut to restrain the slide nut against rotation relative to the housing, and a pull wire having a proximal end portion extending into the housing and coupled to the slide nut, and a distal end portion coupled to a distal end portion of the steerable shaft. The threaded shaft can be rotatable relative to the housing to produce axial movement of the slide nut within the threaded shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.