PVA and silica particle blood vessel model
US8758797B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 9, 2010 |
| Grant date | Jun 24, 2014 |
| Priority date | — |
| Expiry date | Feb 4, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B23/285
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A blood vessel model which imitates a human blood vessel including an aqueous gel made from polyvinyl alcohol having an average polymerization degree of 300 to 3500 and a saponification degree of 90% by mole or more, and silica particles; and a method for producing a blood vessel model which imitates a human blood vessel, including filling a mixed solution containing polyvinyl alcohol having an average polymerization degree of 300 to 3500 and a saponification degree of 90% by mole or more, silica particles and water in a mold for forming a blood vessel model, and freezing the mixture at a temperature of −10° C. or lower, followed by thawing. The blood vessel model can be suitably used as a blood vessel model for practicing insertion of a stent graft into an aneurysm, a blood vessel model for practicing resection or ligation surgery of a blood vessel, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.