Article
2017
Kyomoto M, Moro T, Yamane S, Takatori Y, Tanaka S, Ishihara K: A hydrated phospholipid polymer-grafted layer prevents lipid-related oxidative degradation of cross-linked polyethylene. Biomaterials 112: 122-132, 2017.
Oshima H, Tanaka S, Takatori Y, Tanaka T, Ishikura H, Moro T: Clinical and radiographic outcomes of total hip arthroplasty with a specific liner in small Asian patients: Influence of patient-related, implant-related, and surgical factors on femoral head penetration. J Arthroplasty (in press).
Yamane S, Kyomoto M, Moro T, Hashimoto M, Takatori Y, Tanaka S, Ishihara K: Wear resistance of poly(2-methacryloyloxyethyl phosphorylcholine)-grafted carbon fiber reinforced poly(ether ether ketone) liners against metal and ceramic femoral heads. J Biomed Mater Res B Appl Biomater (in press).
Saiga K, Kyomoto M, Watanabe K, Taketomi S, Kadono Y, Takatori Y, Tanaka S, Ishihara K, Moro T: Effects of material thickness and surface modification of cross-linked polyethylene with poly(2-methacryloyloxyetheyl phosphorylcholine) on its deformation behavior, wear resistance and durability under repetitive impact-to-sliding motion. Biotribology (in press).
2016
Yamane S, Kyomoto M, Moro T, Watanabe K, Hashimoto M, Takatori Y, Tanaka S, Ishihara K: Effects of extra irradiation on surface and bulk properties of PMPC-grafted cross-linked polyethylene. J Biomed Mater Res A 104(1): 37-47, 2016.
Uehara S, Yarimitsu S, Moro T, Kyomoto M, Watanabe K, Tanaka S, Ishihara K, Murakami T: Evaluation of wear suppression for phospholipid polymer-grafted ultra-high molecular weight polyethylene at concentrated contact. Tribol Int 101: 264-272, 2016.
Moro T, Takatori Y, Tanaka S, Ishihara K, Oda H, Kim YT, Umeyama T, Fukatani E, Ito H, Kyomoto M, Oshima H, Tanaka T, Kawaguchi H, Nakamura K: Clinical safety and wear resistance of the biocompatible phospholipid polymer-grafted highly cross-linked polyethylene liner. J Orthop Res (in press).
Watanabe K, Moro T, Kyomoto M, Saiga K, Taketomi S, Kadono Y, Takatori Y, Tanaka S, Ishihara K: The effects of presence of backside screw hole on biotribological behavior of phospholipid polymer-grafted cross-linked polyethylene. J Biomed Mater Res B Appl Biomater (in press).
2015
Oka T, Abawi CF, Sugita N, Chikuda H, Sugita S, Tanaka T, Oshima H, Moro T, Tanaka S, Mitsuishi M: Hand-held bone-cutting tool with autonomous penetration detection for spinal surgery.IEEE/ASME Trans Mechatronics 20(6): 3018-3027, 2015.
Kyomoto M, Shobuike T, Moro T, Yamane S, Takatori Y, Tanaka S, Miyamoto H, Ishihara K: Prevention of bacterial adhesion and biofilm formation on a vitamin E-blended, cross-linked polyethylene surface with a poly(2-methacryloyloxyethyl phosphorylcholine) layer. Acta Biomater 24(15): 24-34, 2015.
Yarimitsu S, Moro T, Kyomoto M, Watanabe K, Tanaka S, Ishihara K, Murakami T: Influences of dehydration and rehydration on the lubrication properties of phospholipid polymer-grafted cross-linked polyethylene. Proc Inst Mech Eng H 229(7): 506-514, 2015.
Watanabe K, Kyomoto M, Saiga K, Taketomi S, Inui H, Kadono Y, Takatori Y, Tanaka S, Ishihara K, Moro T: Effects of surface modification and bulk geometry on the biotribological behavior of cross-linked polyethylene: Wear testing and finite element analysis. Biomed Res Int 2015: 435432, 2015.
Moro T, Takatori Y, Kyomoto M, Ishihara K, Kawaguchi H, Hashimoto M, Tanaka T, Oshima H, Tanaka S: Wear resistance of the biocompatible phospholipid polymer-grafted highly cross-linked polyethylene liner against larger femoral head. J Orthop Res 33(7): 1103-1110, 2015.
Kyomoto M, Moro T, Takatori Y, Tanaka S, Ishihara K: Multidirectional wear and impact-to-wear tests of phospholipid-polymer-grafted and vitamin E-blended crosslinked polyethylene: a pilot study. Clin Orthop Relat Res 473(3): 942-951, 2015.
Takatori Y, Moro T, Ishihara K, Kamogawa M, Oda H, Umeyama T, Kim YT, Ito H, Kyomoto M, Tanaka T, Kawaguchi H, Tanaka S: Clinical and radiographic outcomes of total hip replacement with poly(2-methacryloyloxyethyl phosphorylcholine)-grafted highly cross-linked polyethylene liners: Three-year results of a prospective consecutive series. Mod Rheumatol 25(2): 286-291, 2015.
Ito H, Takatori Y, Moro T, Oshima H, Oka H, Tanaka S: Total hip arthroplasty after rotational acetabular osteotomy. J Arthroplasty 30(3): 403-406, 2015.
2014
Kyomoto M, Moro T, Yamane S, Watanabe K, Takatori Y, Tanaka S, Ishihara K: Smart PEEK modified by self-initiated surface graft polymerization for orthopedic bearings. Reconstructive Review 4(3): 36-45, 2014.
Kyomoto M, Moro T, Yamane S, Watanabe K, Hashimoto M, Takatori Y, Tanaka S, Ishihara K: Poly(2-methacryloyloxyethyl phosphorylcholine) grafting and vitamin E blending for high wear resistance and oxidative stability of orthopedic bearings. Biomaterials 35: 6677-6686, 2014.
Kyomoto M, Moro T, Yamane S, Hashimoto M, Takatori Y, Ishihara K: Effect of UV-irradiation intensity on graft polymerization of 2-methacryloyloxyethyl phosphorylcholine on orthopedic bearing substrate. J Biomed Mater Res A 102A: 3012-3023, 2014.
Moro T, Takatori Y, Kyomoto M, Ishihara K, Hashimoto M, Ito H, Tanaka T, Oshima H, Tanaka S, Kawaguchi H: Long-term hip simulator testing of the artificial hip joint bearing surface grafted with biocompatible phospholipid polymer. J Orthop Res 32(3): 369-376, 2014.
Moro T, Kyomoto M, Ishihara K, Saiga K, Hashimoto M, Tanaka S, Ito H, Tanaka T, Oshima H, Kawaguchi H, Takatori Y: Grafting of poly (2-methacryloyloxyethyl phosphorylcholine) on polyethylene liner in artificial hip joints reduces production of wear particles. J Mechan Behav Biomed Mater 34: 100-106, 2014.
Sugano N, Iida H, Akiyama H, Takatori Y, Nagoya S, Hasegawa M, Kabata T, Hachiya Y, Yasunaga Y: Nationwide investigation into adverse tissue reactions to metal debris after metal-on-metal total hip arthroplasty in Japan. J Orthop Sci 19(1): 85-89, 2014.
Okano K, Jingushi S, Ohfuji S, Sofue M, Hirota Y, Itoman M, Hamada Y, Shindo H, Takatori Y, Yamada H, Yasunaga Y, Ito H, Mori S, Owan I, Ohashi H, Yamaguchi K: Relationship of acetabular dysplasia in females with osteoarthritis of the hip to the distance between both anterior superior iliac spines. Med Sci Monit 20: 116-122, 2014.
2013
Kyomoto M, Moro T, Yamane S, Hashimoto M, Takatori Y, Ishihara K: Poly(ether-ether-ketone) orthopedic bearing surface modified by self-initiated surface grafting of poly(2-methacryloyloxyethyl phosphorylcholine). Biomaterials 34: 7829-7839, 2013.
Takatori Y, Moro T, Kamogawa M, Oda H, Morimoto S, Umeyama T, Minami M, Sugimoto H, Nakamura S, Karita T, Ito H, Kim J, Koyama Y, Kawaguchi H, Nakamura K: The poly (2-methacryloyloxyethyl phosphorylcholine)-grafted highly cross-linked polyethylene liner in primary total hip replacement -One-year results of a prospective cohort study. J Artif Organs 16: 170-175, 2013.
2012
Kyomoto M, Moro T, Saiga K, Hashimoto M, Ito H, Kawaguchi H, Takatori Y, Ishihara K: Biomimetic hydration lubrication with various polyelectrolyte layers on cross-linked polyethylene orthopedic bearing materials. Biomaterials 33(18): 4451-4459, 2012.
2011
Kyomoto M, Moro T, Takatori Y, Kawaguchi H, Ishihara K: Cartilage-mimicking, high-density brush structure improves wear resistance of crosslinked polyethylene: a pilot study. Clin Orthop Relat Res 469: 2327-2336, 2011.
Jingushi S, Ohfuji S, Sofue M, Hirota Y, Itoman M, Matsumoto T, Hamada Y, Shindo H, Takatori Y, Yamada H, Yasunaga Y, Ito H, Mori S, Owan I, Fujii G, Ohashi H, Iwamoto Y, Miyanishi K, Iga T, Takahira N, Sugimori T, Sugiyama H, Okano K, Karita T, Ando K, Hamaki T, Hirayama T, Iwata K, Nakasone S, Matsuura M, Mawatari T: Osteoarthritis hip joints in Japan: involvement of acetabular dysplasia. J Orthop Sci 16: 156-164, 2011.
Ishiyama N, Moro T, Ohe T, Miura T, Ishihara K, Konno T, Ohyama T, Yoshikawa M, Kyomoto M, Saito T, Nakamura K, Kawaguchi H: Reduction of peritendinous adhesions by hydrogel containing biocompatible phospholipid polymer MPC for tendon repair. J Bone Joint Surg Am 19: 142-149, 2011.
2010
Moro T, Takatori Y, Kyomoto M, Ishihara K, Saiga K, Nakamura K, Kawaguchi H: Surface grafting of biocompatible phospholipid polymer MPC provides wear resistance of tibial polyethylene insert in artificial knee joints. Osteoarthritis Cartilage 18(9): 1174-82, 2010.
Takatori Y, Ito K, Sofue M, Hirota Y, Itoman M, Matsumoto T, Hamada Y, Shindo H, Yamada H, Yasunaga Y, Ito H, Mori S, Owan I, Fujii G, Ohashi H, Mawatari T, Iga T, Takahira N, Sugimori T, Sugiyama H, Okano K, Karita T, Ando K, Hamaki T, Hirayama T, Iwata K, Matsuura M, Jingushi S: Analysis of interobserver reliability for radiographic staging of coxarthrosis and indexes of acetabular dysplasia: a preliminary study. J Orthop Sci 15: 14-19, 2010.
Kyomoto M, Moro T, Takatori Y, Kawaguchi H, Nakamura K, Ishihara K: Self-initiated surface grafting with poly(2-methacryloyloxyethyl phosphorylcholine) on poly(ether-ether-ketone). Biomaterials 31: 1017-1024, 2010.
Kyomoto M, Moro T, Saiga KI, Miyaji F, Kawaguchi H, Takatori Y, Nakamura K, Ishihara K: Lubricity and stability of poly(2-methacryloyloxyethyl phosphorylcholine) polymer layer on Co-Cr-Mo surface for hemi-arthroplasty to prevent degeneration of articular cartilage. Biomaterials 31: 658-668, 2010.
Ishiyama N, Moro T, Ishihara K, Ohe T, Miura T, Konno T, Ohyama T, Kimura M, Kyomoto M, Nakamura K, Kawaguchi H: The prevention of peritendinous adhesions by a phospholipid polymer hydrogel formed in situ by spontaneous intermolecular interactions. Biomaterials 31: 4009-4016, 2010.
Liu G, Iwata K, Ogasawara T, Watanabe J, Fukazawa K, Ishihara K, Asawa Y, Fujihara Y, Chung UL, Moro T, Takatori Y, Takato T, Nakamura K, Kawaguchi H, Hoshi K: Selection of highly osteogenic and chondrogenic cells from bone marrow stromal cells in biocompatible polymer-coated plates. J Biomed Mater Res A 92: 1273-1282, 2010.
Jingushi S, Ohfuji S, Sofue M, Hirota Y, Itoman M, Matsumoto T, Hamada Y, Shindo H, Takatori Y, Yamada H, Yasunaga Y, Ito H, Mori S, Owan I, Fujii G, Ohashi H, Iwamoto Y, Miyanishi K, Iga T, Takahira N, Sugimori T, Sugiyama H, Okano K, Karita T, Ando K, Hamaki T, Hirayama T, Iwata K, Nakasone S, Matsuura M, Mawatari T: Multiinstitutional epidemiological study regarding osteoarthritis of the hip in Japan. J Orthop Sci 15: 626-631, 2010.
2009
Kyomoto M, Moro T, Miyaji F, Hashimoto M, Kawaguchi H, Takatori Y, Nakamura K, Ishihara K: Effects of mobility/immobility of surface modification by 2-methacryloyloxyethyl phosphorylcholine polymer on the durability of polyethylene for artificial joints. J Biomed Mater Res A 90: 362-371, 2009.
Moro T, Kawaguchi H, Ishihara K, Kyomoto M, Karita T, Ito H, Nakamura K, Takatori Y: Wear resistance of artificial hip joints with poly(2-methacryloyloxyethyl phosphorylcholine) grafted polyethylene: Comparisons with the effect of polyethylene cross-linking and ceramic femoral heads. Biomaterials 30: 2995-3001, 2009.
Kyomoto M, Moro T, Iwasaki Y, Miyaji F, Kawaguchi H, Takatori Y, Nakamura K, Ishihara K: Superlubricious surface mimicking articular cartilage by grafting poly(2-methacryloyloxyethyl phosphorylcholine) on orthopaedic metal bearings. J Biomed Mater Res A 91: 730-741, 2009.
Kyomoto M, Ishihara K: Self-initiated surface graft polymerization of 2-methacryloyloxyethyl phosphorylcholine on poly(ether-ether-ketone) by photo-irradiation. ACS Applied Materials & Interfaces 1: 537-542, 2009.
Haga N, Karita T, Amao R, Kanamori Y, Takatori Y: Successful ambulation by surgical conversion in a complex form of epigastric heteropagus. J Pediatr Orthop B 18(6): 394-396, 2009.
2008
Kyomoto M, Moro T, Miyaji F, Hashimoto M, Kawaguchi H, Takatori Y, Nakamura K, Ishihara K: Effect of 2-methacryloyloxyethyl phosphorylcholine concentration on photo-induced graft polymerization of polyethylene in reducing the wear of orthopaedic bearing surface. J Biomed Mater Res A 86: 439-447, 2008.
Kyomoto M, Moro T, Miyaji F, Konno T, Hashimoto M, Kawaguchi H, Takatori Y, Nakamura K, Ishihara K: Enhanced wear resistance of orthopedic bearing due to the cross-linking of poly(MPC) graft chains induced by gamma-ray irradiation. J Biomed Mater Res B Appl Biomater 84: 320-327, 2008.
Koyama Y, Miyashita M, Irie S, Yamamoto M, Karita T, Moro T, Takatori Y, Kazuma K: A study of disease management activities of hip osteoarthritis patients under conservative treatment. J Orthop Nurs 12: 75-83, 2008.
Books
Kyomoto M, Moro T, Ishihara K: Polymers for artificial joints. Polymeric Biomaterials. Structure and Function (Editor Dumitriu S), CRS press, 851-883, 2013.