Nakashima Health Force wins 10th Prime Minister's Award for metal 3D printed HTS bone-regenerating structures

Nakashima Health Force, a medical device manufacturer based in Okayama, Japan, has been awarded the 10th Prime Minister's Award for its advancements in orthopedic implant technology. The company was recognized for developing Honeycomb Tree Structure (HTS) implants, which utilize metal 3D printing to create complex porous geometries that mimic natural bone matrix orientation. This technology, developed through industry-academia collaboration with Professor Takayuki Nakano of Osaka University, enables enhanced bone regeneration around the implant. Additionally, the award recognizes the company's successful mass production of spinal spacers designed to stabilize vertebral fixation and reduce recovery times for elderly patients.

The recognition highlights the critical role of metal additive manufacturing in the high-growth orthopedic implant market. By utilizing precise powder bed fusion or similar metal AM processes, Nakashima Health Force can produce HTS geometries that are impossible to manufacture via traditional subtractive methods or casting. This capability addresses a significant clinical gap: the need for implants that integrate biologically with host tissue rather than merely providing mechanical stability. As the global medical 3D printing market moves toward highly customized, bio-integrative solutions, Nakashima's ability to scale these complex lattice structures from R&D to mass production positions them as a specialized player in the orthopedic value chain.

From an industrial perspective, the transition from academic research at Osaka University to validated mass production of HTS structures demonstrates a successful pathway for high-complexity medical AM. The company's vertical integration—handling everything from development and manufacturing to sales—provides a controlled environment for maintaining the strict quality standards required for spinal and joint implants. Future success will depend on maintaining this production scalability while navigating the regulatory requirements for increasingly complex porous metal geometries in global markets.