Stent with alternating amplitudes
US9271852B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 20, 2012 |
| Grant date | Mar 1, 2016 |
| Priority date | — |
| Expiry date | Aug 15, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C2270/041
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A tubular stent (1) has first and second ends (2,3) and a longitudinal axis (4) therebetween. The tubular stent (1) is formed from a network of struts which defines a cylindrical surface about the longitudinal axis (4), the struts delineating a plurality of cells {23, 30, 31, 32, 33) within the network, there being rows of cells parallel to the longitudinal axis (4). At least one cell in each row is a nodal cell (23). There is an increase in the maximum length parallel to the longitudinal axis (4) of cells from the at least one nodal cell (23) to a first distal cell (30) in the row that is closer to the first or second end (2, 3) of the tubular stent (1). There is a second distal cell (31) in the row which has a different maximum length parallel to the longitudinal axis (4) from the nodal cell (23) and the first distal cell (30). The network of struts comprises a plurality of circumferential rings (6, 6′, 9, 9′, 13, 13′, 16, 16′, 17, 17′). Each ring (6, 6′, 9, 9′, 13, 13′, 16, 16′, 17, 17′) extends perpendicularly to the longitudinal axis (4) and the rings are located adjacent to each other parallel to the longitudinal axis (4) to define the cylindrical surface. The circumferential…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.