Bone substitute for training and testing
AssigneeThe Johns Hopkins University
InventorsPaul J. Biermann, Jack C. Roberts, John A. Ecker
Life of this patent
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Abstract
A bone substitute that drills and cuts like bone for use in training and testing comprising an inner core of a foamable polymer or other soft material and an outer shell of a polymer such as an epoxy resin with a particulate filler such as aluminum oxide or silicon carbide added thereto together with, in some cases, titanium oxide to form a slurry for casting or molding around the inner core. Also provided is a method for making the bone substitute.
Claims14
A bone substitute useful as a bone model for teaching and training students and for testing surgical equipment the bone substitute comprising:
- an inner core comprising a foamable polymer;
- and
- an outer shell formed around the inner core, the outer shell comprising a polymer and a particulate filler added to the polymer.
A bone substitute useful as a bone model for teaching and training students and for testing surgical equipment, the bone substitute comprising:
- an inner core comprising a foamable polymer;
- and
- an outer shell formed around the inner core, the outer shell comprising a polymer, and a mineral and titanium oxide (TiO) added to the polymer to form a slurry for casting or molding around the inner core.
A bone substitute useful as a bone model for teaching and training students and for testing surgical equipment, the bone substitute comprising:
- an inner core comprising a foamable polymer;
- and
- an outer shell formed around the inner core, the outer shell comprising an epoxy resin and from 5% to 15% by weight of Al.sub.2 O.sub.3 and from 20% to 45% by weight of titanium oxide (TiO) added to the epoxy resin to form a slurry for casting or molding around the inner core.
Dependencies are inferred from the claim text.