Anti-retropulsion systems and methods
US9737319B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 2, 2015 |
| Grant date | Aug 22, 2017 |
| Priority date | — |
| Expiry date | Jan 7, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/2217
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An anti-retropulsion device comprising: an expandable segment; a distal collar positioned distally of the expandable segment; and a proximal collar positioned proximally of the expandable segment; wherein the expandable segment has a corresponding plurality of expandable members, and wherein each of the expandable members is configured to expand or contract radially and circumferentially in correspondence with a change in spacing between the distal collar and the proximal collar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.