Biocompatible infused absorption glass containing FeO
First Claim
1. Biocompatible glass consisting essentially of, in % by weight on an oxide basis,65-68 SiO20-3 Li2 O12.0-14.0 Nm2 O2.5-4.0 K2 O15-17 Σ
- alkali metal oxide2-3 MgO4.2-5.5 CaO0-2 BaO3-4 Al2 O30-1.0 B2 O32.7-4.1 FeO.
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Accused Products
Abstract
A biocompatible glass which can be melted using infra-red radiation contains, based on oxide, 65-68% by weight of SiO2, 0-3% by weight of Li2 O, 12-14% by weight of Na2 O, 2.5-4% by weight of K2 O, 15-17% by weight of Σ alkali metal oxides, 2-3% by weight of MgO, 4.2-5.5% by weight of CaO, 0-2% by weight of BaO, 3-4 % by weight of Al2 O3, 0-1.0 by weight of B2 O3 and 2.7-4.1% of FeO. The glass, due to its infra-red meltability and its physiological accertability, is suitable for the encapsulation of sensitive materials, such as transponders or minitransmitters, which are implanted in a living body, or as ampoule glass for melt-encapsulation of sensitive substances.
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Citations
5 Claims
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1. Biocompatible glass consisting essentially of, in % by weight on an oxide basis,
65-68 SiO2 0-3 Li2 O 12.0-14.0 Nm2 O 2.5-4.0 K2 O 15-17 Σ - alkali metal oxide
2-3 MgO 4.2-5.5 CaO 0-2 BaO 3-4 Al2 O3 0-1.0 B2 O3 2.7-4.1 FeO. - View Dependent Claims (2, 3, 4, 5)
- alkali metal oxide
Specification