Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Mikio Iwamoto"'
Publikováno v:
Journal of Biomechanical Science and Engineering, Vol 7, Iss 2, Pp 199-210 (2012)
The phase stability of yttria (3 mol%) stabilized tetragonal polycrystalline zirconia (3Y-TZP) has been evaluated by X-ray diffraction and laser microscope. The differences in kinetics of phase transformation in the aging test under hydrothermal envi
Externí odkaz:
https://doaj.org/article/e736c45c30bd4908a334c07a9da74100
Autor:
Hiroyuki Sato, Yasuaki Hiranuma, Mikio Iwamoto, Daiki Okano, Susumu Toriyabe, Ryuichi Doizaki, Kaya Shimotai, Maki Sakamoto
Publikováno v:
International Journal of Affective Engineering. 16:157-163
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07e72fa39b938b57571011537b065c7e
https://doi.org/10.5057/ijae.ijae-d-16-00035
https://doi.org/10.5057/ijae.ijae-d-16-00035
Publikováno v:
Key Engineering Materials. 720:296-300
Low-temperature-degradation-free (LTD-free) zirconia-toughened alumina (ZTA) has been developed as an alternative to alumina and zirconia. It has been reported that ZTA has more beneficial mechanical characteristics than alumina, because of the stres
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ee039234dbb63b819b42412c39ac9e7
https://doi.org/10.4028/www.scientific.net/kem.720.296
https://doi.org/10.4028/www.scientific.net/kem.720.296
Autor:
Daisuke Hara, Kensei Yoshimoto, Yasuharu Nakashima, Miyo Wakiyama, Mikio Iwamoto, Akihiro Nakamura
Publikováno v:
Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association. 23(4)
Backgrounds The purpose of this study was to quantify the initial stability of a highly porous titanium cup using an acetabular bone defect model. Methods The maximum torque of a highly porous titanium cup, with a pore size of 640 μm and porosity of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0a939315e07534d3182b1e606a0ca99
https://pubmed.ncbi.nlm.nih.gov/29657105
https://pubmed.ncbi.nlm.nih.gov/29657105
Autor:
Reiji Watanabe, Takefumi Nakanishi, Mikio Iwamoto, Takayuki Murakami, Junji Ikeda, Takayoshi Shimozono
Publikováno v:
Key Engineering Materials. 631:18-22
Low temperature degradation free Zirconia toughened alumina (ZTA) has been developed. It is reported that ZTA has higher mechanical strength compared to alumina due to the stress induced transformation and spontaneously transformation of zirconia pha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b900831af1db3e50cb59e6fab2506d0f
https://doi.org/10.4028/www.scientific.net/kem.631.18
https://doi.org/10.4028/www.scientific.net/kem.631.18
Publikováno v:
Journal of Biomedical Materials Research Part B: Applied Biomaterials. 101:1594-1601
In this study, the in vivo wear of highly cross-linked polyethylene (CLPE) cups against alumina ceramic femoral heads was evaluated by radiographic and retrieval analysis. The radiographic wear of six ethylene oxide gas-sterilized (i.e., non-cross-li
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b0464b1b28a7da9f8cb05b241d615a35
https://doi.org/10.1002/jbm.b.32929
https://doi.org/10.1002/jbm.b.32929
Autor:
Masaru Ueno, Hirotsugu Ohashi, Shigekazu Mizokawa, Hiroyuki Oonishi, Hironobu Oonishi, Mikio Iwamoto
Publikováno v:
Key Engineering Materials. :366-369
To improve the fixation of bone and bone cement in THA we used Interface Bioactive Bone Cement technique (IBBC) since 1982. For prostheses 28 mm-alumina head with polyethylene socket (Kyocera Co.) were used. In IBBC not-resorbable pure crystalline HA
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1102844ceae5854d2483a7c6f8c2fa13
https://doi.org/10.4028/www.scientific.net/kem.493-494.366
https://doi.org/10.4028/www.scientific.net/kem.493-494.366
Autor:
Sok Chol Kim, Masayuki Kyomoto, Hiroyuki Oonishi, Masaru Ueno, Hironobu Oonishi, Mikio Iwamoto
Publikováno v:
The Journal of Arthroplasty. 24:374-382
The present study aimed to determine the effect of femoral component materials and sterilization methods on wear properties of total knee prostheses by using a knee simulator test and retrieval analysis. The simulator test revealed that ultrahigh mol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4eb6598d08deb059fd9acc0060c3e3c7
https://doi.org/10.1016/j.arth.2007.10.021
https://doi.org/10.1016/j.arth.2007.10.021
Autor:
Hironobu Oonishi, Mikio Iwamoto, Masayuki Kyomoto, Hiroyuki Oonishi, Sok Chol Kim, Masaru Ueno, Hirotsugu Ohashi
Publikováno v:
Key Engineering Materials. :1311-1314
In the late 1970s, we started the clinical use of total knee prostheses (TKPs) composed of alumina ceramic. In this study, we investigated the long-term clinical performance of ceramic TKPs. First-generation ceramic TKPs were used between 1981 and 19
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e1994a25fe11c85f337e7d7f5860bff
https://doi.org/10.4028/www.scientific.net/kem.361-363.1311
https://doi.org/10.4028/www.scientific.net/kem.361-363.1311
Publikováno v:
Key Engineering Materials. :1203-1206
The kinetics of tetragonal-to-monoclinic phase transformation (t→m transformation) in the earlier generation zirconia femoral heads was evaluated by X-ray diffractometry, laser microscopy and Raman microprobe spectroscopy. From previous results of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8df37f84688d3f503902659c85459868
https://doi.org/10.4028/www.scientific.net/kem.330-332.1203
https://doi.org/10.4028/www.scientific.net/kem.330-332.1203