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Biomaterial and Biomechanical Design Lab
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The lab creates medical materials that harmonize with the body, starting from the mechanics of bone and teeth.
AboutAbout the lab
Medical materials and structures that harmonize with the human body
From 2026, the Biomaterial and Biomechanical Design Lab has been organized as two labs: the Biomaterial Design Lab and the Biomechanical Design Lab.
The Biomaterial Design Lab analyzes the hierarchical structures of bone, teeth, and cartilage from a biomechanics perspective, and applies the results to clarifying the pathology of bone diseases and joint disorders and to implant design.
The lab also develops implant materials using collagen of biological origin and biodegradable plastics that break down in the body.
The Biomechanical Design Lab, based on mechanics of materials and mechanical dynamics, investigates how bone strength is determined and works on creating new functional materials that mimic living tissue.
Key terms
- Biomechanics
- A field that views the bodies of living things through the lens of mechanics, studying the forces, deformation, and strength of bones and tissues
- Collagen
- A protein abundant in bone and skin. In bone, it is the organic component and is combined with inorganic mineral crystals
- Cancellous bone
- The inner part of bone, where thin trabeculae interlock like a sponge
ResearchResearch themes
The Biomaterial Design Lab studies the biomechanics of biological hard tissues such as bone and teeth, and the creation of biomimetic biomaterials. The Biomechanical Design Lab aims to clarify the mechanical mechanisms of bone and apply them to diagnosing fracture risk and developing functional materials that mimic bone.
*Illustrative imageBiomechanics of hard tissue
At the microscopic level, bone and teeth are composite structures made of mineral crystals and collagen molecules. To clarify the relationship between this microscopic composite structure and mechanical properties, the lab investigates how demineralization and mineralization affect the mechanical properties of hard tissue.
*Illustrative imageCreating biomimetic biomaterials
The lab studies the relationship between structural and mechanical properties of mineralized bone-like materials made by the polymer-induced liquid precursor (PILP) process. It also works on creating bone-mimicking biomaterials based on fish collagen.
*Illustrative imageHow bone strength is determined
In osteoporosis, fractures occur frequently in cancellous bone even from minor impacts. Based on the hypothesis that, in addition to bone mass, the impact strength of individual trabeculae and the microarchitecture determine the dynamic strength of cancellous bone, the lab is working to clarify this through experiments.
*Illustrative image3D-printable biomimetic materials
Based on mechanically optimized bone structure, the lab has proposed a 3D-printable porous structure called the "cancellous bone-mimicking structure." It is applied to the design of head protection components that absorb repeated impacts and of high-performance implants with a reduced risk of failure inside the body.
MembersFaculty
The Biomaterial Design Lab consists of faculty members and doctoral and master's students, and the Biomechanical Design Lab consists of faculty members and doctoral, master's, and undergraduate students.As of 2026
- ProfessorMasahiro Todoh
- Associate ProfessorSatoshi Satoshi
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Scanning electron microscopy of collagen fibers” NIH Image Gallery / CC BY-SA 4.0 (cropped)
- Biomechanics of hard tissue: “Corte histológico de hueso humano” Romina Clara / CC BY-SA 4.0 (cropped)
- Creating biomimetic biomaterials: “Apatite Canada” Didier Descouens / CC BY-SA 4.0 (cropped)
- How bone strength is determined: “5pctGyroidInfill” Anachronist / CC BY-SA 4.0 (cropped)
- 3D-printable biomimetic materials: “Bicycle Helmet 0085 Transparent” SonOfWasps / CC BY 4.0 (cropped)
- Related lab (Micro Biomechanics Lab): “Fibroblastid” Heiti Paves / CC BY-SA 3.0 (cropped)
- Related lab (Materials Function Engineering Lab): “Al tensile test” Sigmund / CC BY-SA 3.0 (cropped)
- Related lab (Mechanics of Materials Lab): “2256 bamboo - Alain Van den Hende 17072256 licence CC40” Alain Van den Hende / CC BY-SA 4.0 (cropped)
- Related lab (Plasma Materials Engineering Lab): “Plasma generation in air” Rcaravit / CC BY 4.0 (cropped)
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