Changes in the Durability of Silicone Rubber in Ball-Valve Prostheses
โ Scribed by Hylen, John C.; Hodam, Robert P.; Kloster, Frank E.
- Book ID
- 122077676
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- English
- Weight
- 739 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0003-4975
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๐ SIMILAR VOLUMES
## An in vitro procedure for measuring the affinity of silicone rubber balls for The method appears to duplicate weight and volume in-Potential lipid absorption is shown to in-lipid is described. creases occasionally noted in vivo. crease with degree of cure, and decrease with filler content.
## Abstract Dynamic shear modulus Gโฒ was measured throughout the volume of three nonvariant silicone rubber poppets which were recovered from aortic prosthetic heart valves that had been implanted for 4 days, 52 days, and 8 years. Similar measurements were obtained for two unused silicone rubber po