Prosthesis with in-wall modulation
US5824050A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1996 |
| Grant date | Oct 20, 1998 |
| Priority date | — |
| Expiry date | Dec 3, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2240/001
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The wall of a prosthesis has a region which modulates communication through the porosity of the wall. The prosthesis is unitary, but may be assembled in successive bodies which are coalesced, so that the porous microstructure changes distinctly at stages through the thickness dimension of the wall. One embodiment is formed entirely of fluoropolymer, and has at least one surface adapted to support tissue regeneration and ingrowth. The modulation region is a stratum of high water entry pressure that reduces pulsatile hydraulic pressure transmission, or locally alters fluid-born-distribution of biological material through the wall and allows more natural gradients for tissue regeneration and growth in the outer region of the wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.