Bone Densitometer (Bone Densitometer) - 10.21.14
ISS Science for Everyone
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Densitometry measures the mass per unit volume (density) of minerals in bone. Quantitative measures of bone loss in mice , during orbital space flight, are necessary for the development of countermeasures for human crew members, as well as for bone-loss syndromes on Earth, by commercial entities. Planned studies, both academic and commercial, require on-orbit analytical methods including bone densitometry.
Science Results for Everyone
OpNom: Bone Densitometer Locker
Techshot, Incorporated, Greenville, IN, United States
Sponsoring Space Agency
National Aeronautics and Space Administration (NASA)
National Laboratory (NL)
ISS Expedition Duration
March 2014 - Ongoing
Previous ISS Missions
The Bone Densitometer (BD) payload is being developed to provide a bone density scanning capability on ISS for utilization by NASA and the Center for the Advancement of Science in Space (CASIS). The BD payload measures bone density using Dual-Energy X-ray Absorptiometry (DEXA). The BD payload is being developed from a commercial off-the-shelf (COTS) piece of hardware called a PIXImusII and is being designed to fit into an Expedite the Processing of Experiments to the Space Station (EXPRESS) Rack locker. Its modular design allows for on-orbit replacement of critical systems. The PIXImusII, along with an attached laptop computer, is a fully integrated densitometer designed for the estimation of Bone Mineral Density (BMD) in units of g/cm2, and body composition using DEXA. The BD payload is scheduled to fly on SpaceX for delivery to ISS.
Insert Exam Box into MSG
Place mouse (anesthetized/euthanized) in exam box
Transfer exam box to bone densitometer hardware
Image the specimen
Transfer exam box back to MSG and remove animal
Repeat the procedure until all mice are scanned
Ground Based Results Publications
Bone Densitometer Flight Unit with monitor. CREDIT: Techshot.
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Bone Densitometer Flight Unit. CREDIT: Techshot.
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