Zobrazeno 1 - 10 of 30 pro vyhledávání: '"Kazutaka Masamoto"'
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Akademický článek
Synergistic effect of sulfonation followed by precipitation of amorphous calcium phosphate on the bone-bonding strength of carbon fiber reinforced polyetheretherketone
Autor: Yusuke Takaoka, Shunsuke Fujibayashi, Takeshi Yabutsuka, Yuya Yamane, Chihiro Ishizaki, Koji Goto, Bungo Otsuki, Toshiyuki Kawai, Takayoshi Shimizu, Yaichiro Okuzu, Kazutaka Masamoto, Yu Shimizu, Makoto Hayashi, Norimasa Ikeda, Shuichi Matsuda
Publikováno v: Scientific Reports, Vol 13, Iss 1, Pp 1-15 (2023)
Abstract Sulfonation and applications of amorphous calcium phosphate are known to make polyetheretherketone (PEEK) bioactive. Sulfonation followed by precipitation of amorphous calcium phosphate (AN-treatment) may provide PEEK with further bone-bondi
Externí odkaz: https://doaj.org/article/0bb9695feb2247b28e22399fa5744a4c
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2
Akademický článek
An Observational Survey of Nail and Skin of Spine Surgeons-Possible Damage by Occupational Ionizing Radiation Exposure
Autor: Shunsuke Fujibayashi, Koichi Murata, Takayoshi Shimizu, Bungo Otsuki, Kazutaka Masamoto, Yu Shimizu, Shuichi Matsuda
Publikováno v: Spine Surgery and Related Research, Vol 5, Iss 6, Pp 359-364 (2021)
Introduction: Orthopedic surgeons are exposed to ionizing radiation daily. With the increase in the number of minimally invasive surgery performed under X-ray fluoroscopy, radiation exposure to unprotected fingers will increase. Although the effect o
Externí odkaz: https://doaj.org/article/1a34a1cf21e8433f8f4159e53c5a29a0
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5
In vitro study of antibacterial and osteogenic activity of titanium metal releasing strontium and silver ions
Autor: Yaichiro Okuzu, Makoto Hayashi, Bungo Otsuki, Shunsuke Fujibayashi, Shuichi Matsuda, Kazuaki Morizane, Koji Goto, Takayoshi Shimizu, Tomotoshi Kawata, Yu Shimizu, Kazutaka Masamoto, Seiji Yamaguchi, Toshiyuki Kawai
Publikováno v: Journal of Biomaterials Applications. 35:670-680
Peri-prosthetic infection and loosening of implants are major problems in orthopaedic and dental surgery. To address these issues, surface treatment methods for titanium implants have been improved by modifying the alkali and heat treatment. We have
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6f781bb266a1ecbfb01b66e420192960
https://doi.org/10.1177/0885328220959584
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6
Bioactivity and antibacterial activity of strontium and silver ion releasing titanium
Autor: Shunsuke Fujibayashi, Toshiyuki Kawai, Shuichi Matsuda, Yu Shimizu, Kazutaka Masamoto, Makoto Hayashi, Bungo Otsuki, Kazuaki Morizane, Masashi Imamura, Yusuke Takaoka, Koji Goto, Yaichiro Okuzu, Norimasa Ikeda, Takayoshi Shimizu, Tomotoshi Kawata, Seiji Yamaguchi
Publikováno v: Journal of Biomedical Materials Research Part B: Applied Biomaterials. 109:238-245
To overcome problems associated with loosening of orthopedic implants and surgical site infections, we developed a novel, titanium (Ti)-based material that releases both strontium and silver ions (CaSrAg-Ti) based on alkali-and-heat treatment. The re
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e893a6be28958819d71ff8bf5115f686
https://doi.org/10.1002/jbm.b.34695
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7
Accuracy of fluoroscopic guidance with the coaxial view of the pedicle for percutaneous insertion of lumbar pedicle screws and risk factors for pedicle breach
Autor: Shuichi Matsuda, Shunsuke Fujibayashi, Takayoshi Shimizu, Kazutaka Masamoto, Bungo Otsuki, Koichi Murata
Publikováno v: Journal of Neurosurgery: Spine. :1-8
OBJECTIVEIn this study the authors aimed to evaluate the rate of malposition, including pedicle breach and superior facet violation, after percutaneous insertion of pedicle screws using the coaxial fluoroscopic view of the pedicle, and to assess the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba73ab122b6af3a9e37cd401687bff17
https://doi.org/10.3171/2020.5.spine20291
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8
Cervical spinal computed tomography utilizing model-based iterative reconstruction reduces radiation to an equivalent of three cervical X-rays
Autor: Yu Shimizu, Kazutaka Masamoto, Koji Koizumi, Koichi Murata, Norimasa Ikeda, Takayoshi Shimizu, Yasuhiro Fukushima, Shuichi Matsuda, Shunsuke Fujibayashi, Bungo Otsuki
Publikováno v: European Spine Journal. 29:2804-2813
To evaluate radiation dose and image quality of cervical spinal computed tomography scanned with low-radiation dose (LD-CT) utilizing model-based iterative reconstruction (MBIR). We retrospectively examined 14 patients (65.5 ± 13.9 years) who underw
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de9f27d5b51b1f58b555f3ccf0865754
https://doi.org/10.1007/s00586-020-06426-3
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10
Bioactivity and antibacterial activity of iodine-containing calcium titanate against implant-associated infection
Autor: Norimasa, Ikeda, Shunsuke, Fujibayashi, Seiji, Yamaguchi, Koji, Goto, Bungo, Otsuki, Toshiyuki, Kawai, Takayoshi, Shimizu, Yaichiro, Okuzu, Kazutaka, Masamoto, Yu, Shimizu, Yusuke, Takaoka, Shuichi, Matsuda
Publikováno v: Biomaterials Advances. 138:212952
Developing antimicrobial biomaterials is a major challenge in the fields of orthopaedic and dental implants. In this study, we evaluated the bone-bonding ability and antibacterial activity of a novel biomaterial for preventing implant-associated infe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bbb2351310effefaa3497c2d8110bbb5
https://doi.org/10.1016/j.bioadv.2022.212952
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