Shear properties and strength are crucial for osteoporotic hip and wrist fracture risk assessment. This paper presents the design of a newly developed testing device for bone mechanical properties under circulation of different fluids. The device will ultimately be used to actively modify bone mineral content and porosity to simulate different stages of osteoporosis and directly measure the corresponding changes in mechanical properties. Preliminary results on intact bovine cancellous bones without fluid circulation showed excellent agreement with published literature data.

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