Niitsuma Gaku

Researcher

基本情報

Profile and Settings

• 氏名

  Niitsuma Gaku

• eメール

  gaku-nii09med.showa-u.ac.jp

Identifiers

• 研究者番号

  80596015

• ORCID ID

  https://orcid.org/0000-0002-9310-2326

• J-Global ID

  202001016991005803

Affiliation

• Orthopaedic Surgery, Senior Lecturer

Location

• Fujigaoka Hospital

Degree

• Doctor of Medical Science, Showa University, Mar. 2015

Research Keywords

• Hand surgery, Elbow surgery, Total elbow arthroplasty, Biomechanics

Research Areas

• Life Science, Orthopedics

Teaching Subjects

• Hand and Elbow, Orthopaedic surgery, Sep. 2022

Association Memberships

• Apr. 2010, Nov. 2023
• Apr. 2010, Nov. 2023
• Japan Society for Rheumatism and Joint Surgery, Aug. 2025
• Global Elbow Network, Apr. 2025
• Japanese Society for International Federation of Societies for Surgery of the Hand, Apr. 2020

Committee Memberships

• Japan Elbow Society, International Committee, Jun. 2026
• Japan Elbow Society, Committee on Bylaws and Related Matters, Jun. 2026

Awards

• Young Best Paper Award, Gaku Niitsuma, Jul. 2016, Japan
• Japan Elbow Society, Chairman's Award, Metaphyseal-diaphyseal junctional fractures of the distal humerus in children: Two case series, Gaku Niistuma, Toshio Yagi, Kazutoshi Kubo, Keikichi Kawasaki, Katsunori Inagaki, Feb. 2023, Japan
• Eastern Japan Association of Orthopaedics and Traumatology, Academic encouragement award, Radial head fracture with ipsilateral proximal shaft of radius and ulnar fractures: A case report, Gaku Niitsuma, Sep. 2023, Japan

  対象リソースIRI
• The Japanese Elbow Association, 35th Annual Meeting of the Japanese Elbow Association We Love Elbow "Send to the World" Award, Long-Term Outcomes of Kudo Type-5 Unlinked Surface-Replacing Total Elbow Arthroplasty for Rheumatoid Arthritis: A 15-Year Average Follow-Up Study. J Shoulder Elbow Surg. 2023; 33(3): 564-572, Gaku Niitsuma, Ichiro Okano, Hiroki Nishikawa, Keikich Kawasaki, Katsunori Inagaki, Feb. 2024, Japan
• Department of Orthopaedic Surgery, Showa Medical University School of Medicine, Professor Nagura Award, Alumni Association Award, Gaku Niitsuma, Mar. 2024, Japan
• Mayo Clinic, 2024 Mayo Clinic Jenifer Jowsey, Ph.D. Orthopedic Surgery Research Fellow Award, Gaku Niitsuma, Oct. 2024, United States

  対象リソースIRI
• Japan Society for Rheumatism and Joint Surgery, apan Orthopaedic Association / Japan Society for Surgery of Rheumatism and Joint Surgery Grant for Training Rheumatoid Surgeons, Gaku Niitsuma, Oct. 2025, Japan
• Japan Elbow Society, Hiroshi Kudo Award (English Paper Award), Long-term outcomes of Kudo type-5 unlinked surface-replacing total elbow arthroplasty for rheumatoid arthritis: A 15-year average follow-up study. J Shoulder Elbow Surg. 2024; 33(3): 564-572, Gaku Niitsuma, Mar. 2026, Japan
• Japan Elbow Society, JES-KSES Traveling Fellow, Gaku Niitsuma, Mar. 2026, Japan

  対象リソースIRI
• Japanese Society for Surgery of the Hand, JSSH-TSSH Traveling Fellow, Gaku Niitsuma, Apr. 2026, Japan

Academic Contributions

• Peer review etc, Peer review, American Journal of Case Reports, 2023
• Peer review etc, Peer review, PeerJ, 01 Jul. 2025
• Norimasa Iwasaki, Academic society etc, Planning etc, Council Member, Japanese Elbow Society, 01 Apr. 2026, Japan

  対象リソースIRI

Achievements

Published Papers

• Long-Term Outcomes of Kudo Type-5 Unlinked Surface-Replacing Total Elbow Arthroplasty for Rheumatoid Arthritis: A 15-Year Average Follow-Up Study., Niitsuma Gaku;Okano Ichiro;Nishikawa Hiroki;Kawasaki Keikichi;Inagaki Katsunori, Journal of shoulder and elbow surgery, 33(3):564 - 572, Mar. 2024, Peer-reviewed, DOI:10.1016/j.jse.2023.09.029
• Radial head fracture with ipsilateral proximal shaft of radius and ulnar fractures: A case report, Gaku Niitsuma; Kazutoshi Kubo; Keikichi Kawasaki; Katsunori Inagaki, Journal of the Eastern Japan Association of Orthopaedics and Traumatology, 35(1):70 - 75, Mar. 2023, Peer-reviewed
• Digital arterial occlusion at the metacarpophalangeal joint with hypothenar hammer syndrome-like symptoms: a case report, Gaku Niitsuma; Keikichi Kawasaki; Katsunori Inagaki, Journal of Orthopedic Case Reports, 12(12):1 - 5, Dec. 2022, Peer-reviewed, DOI:10.13107/jocr.2022.v12.i12.3440
• Indication and limitation of conservative treatment for unstable distal radius fractures -Focuse on the extra-articular comminuted fractures-, Gaku Niitsuma; Kenichiro Teramoto; Koji Ishikawa; Keikichi Kawasaki; Katsunori Inagaki, J Jpn Soc Surg Hand, 39(2):13 - 19, Nov. 2022, Peer-reviewed
• Metaphyseal-diaphyseal Junctional Fractures of the Distal Humerus in Children: Two Case Series., Niitsuma Gaku;Yagi Toshio;Kubo Kazutoshi;Kawasaki Keikichi;Inagaki Katsunori, Journal of orthopaedic case reports, 12(3):43 - 47, Mar. 2022, Peer-reviewed, DOI:10.13107/jocr.2022.v12.i03.2710
• 表面置換型人工PIP関節置換術の術後5年以上の中・長期成績, 新妻 学; 久保 和俊; 川崎 恵吉; 稲垣 克記, 日本関節病学会誌, 41(2):27 - 32, Mar. 2022, Peer-reviewed
• Extensive high-pressure injection injury of the hand due to epoxy resin paint: a case report, Gaku Niitsuma; Hidechika Nakashima; Takushi Nagai; Kenichirou Teramoto; Keikichi Kawasaki; Katsunori Inagaki, Case Reports in Plastic Surgery and Hand Surgery, 8(1):56 - 62, Mar. 2021, Peer-reviewed, DOI:10.1080/23320885.2021.1898965
• 熊本における上肢農業外傷治療症例の発生状況の検討, 新妻 学; 中島 英親; 長井 卓志; 寺本 憲市郎; 川崎 恵吉; 稲垣 克記, 日本手外科学会雑誌, 36(2):162 - 166, Nov. 2019, Peer-reviewed
• 橈骨遠位端骨折における関節外掌側皮質粉砕骨片と矯正損失の関係 Colles型とSmith型との比較, 新妻 学; 川崎 恵吉; 中村 正則; 稲垣 克記, 骨折, 40(4):915 - 919, Sep. 2018, Peer-reviewed
• 橈骨遠位端骨折の関節外掌側皮質骨粉砕骨片と術後矯正損失の関連, 新妻　学;川崎　恵吉;池田　純;稲垣　克記, 日本手外科学会雑誌, 34(5):720 - 723, Feb. 2018, Peer-reviewed
• Pedicled Ulnar Bone Graft for Osteomyelitis of Open Distal Radius Fracture, NIITSUMA Gaku;KAWASAKI Keikichi;NAKAMURA Yusuke;YOSHIDA Yasuo;INAGAKI Katsunori, Journal of Japanese Society of Reconstructive Microsurgery, 30(3):149 - 155, 2017, Peer-reviewed, DOI:10.11270/jjsrm.30.149
• 橈骨遠位端骨折における月状骨窩掌側骨片の計測について, 新妻　学;上野　幸夫;川崎　恵吉;岡野　市郎;稲垣　克記, 日本手外科学会雑誌, 33(3):311 - 314, Dec. 2016, Peer-reviewed
• 脊柱変形を伴う腰部脊柱管狭窄症における後方除圧術後の脊柱アライメント変化, 新妻　学;河村　直洋;岡　敬之;丸山　博史;藤井　賢吾;松平　浩;久野木　順一, J Spine Res, 7(7):1168 - 1172, Jul. 2016, Peer-reviewed
• BIOMECHANICAL APPROACH OF UNLINKED TOTAL ELBOW ARTHROPLASTY AT EACH ANGLE OF THE ELBOW BY COMPUTER CALCULATION, NIITSUMA Gaku; IKEDA Jun; NISHIKAWA Hiroki; USUI Yuki; INAGAKI Katsunori; KIMURA Hitoshi; INOU Norio, Journal of The Showa University Society, 75(1):95 - 103, Feb. 2015, Peer-reviewed, DOI:10.14930/jshowaunivsoc.75.95
• 示指MP関節ロッキングに対し徒手整復施行後に骨性隆起骨折を生じ,偽関節となった1例, 新妻　学;川崎　恵吉;稲垣　克記, 東日本整形災害外科学会誌, 26(1):126 - 129, Mar. 2014, Peer-reviewed

Presentations

• Parallel vs. orthogonal plate fixation for complex distal humerus fractures with a coronal shear fragment: A cadaveric study (Candidate Abstracts for Society Awards and Encouragement Awards), Gaku Niitsuma , Hiroki Nishikawa , Katsunori Inagaki , Yoshifumi Kudo , Shawn W. O'Driscoll, The 52nd annual meeting of Journal of Japanese Orthopaedic Trauma Association, 26 Jun. 2026, Japanese Orthopaedic Trauma Association, Okayama
• Comparison of Parallel vs Orthogonal Plating for Coronal Shear Fractures of the Distal Humerus; A-Cadaveric Study, Gaku Niitsuma , Hiroki Nishikawa , Ausberto Velasquez Garcia , Alexander W. Hooke , James Fitzsimmons , Kai-Nan An , Chungfen Zhao , Jonathan D. Barlow , Mark E. Morrey , Yoshifumi Kudo , Shawn W. O'Driscoll, XXXI FESSH, 05 Jun. 2026, FESSH, Basel, Switzerland
• Parallel vs. orthogonal plating for the intraarticular distal humerus fractures with a coronal shear fragment, Gaku Niitsuma , Hiroki Nishikawa , Ausberto Velasquez Garcia , Alexander Hooke , James Fitzsimmons , Chungfen Zhao , Mark Morrey , Keikichi Kawasaki , Katsunori Inagaki , Yoshifumi Kudo , Shawn O'Driscoll, The 99th annual meeting of the Japanese Orthopaedic Association, 24 May 2026, Japanese Orthopaedic Association, Kobe
• Parallel vs. orthogonal plate fixation for complex distal humerus fractures with a coronal shear fragment: A cadaveric study, Gaku Niitsuma , Hiroki Nishikawa , Ausberto Verasquez Garcia , Alexander Hooke , James Fitzsimmons , Chungfen Zhao , Mark Morrey , Katsunori Inagaki , Yoshifumi Kudo , Shawn O'Driscoll, The 69th annual meeting of Japanese Society for Surgery of the Hand, 10 Apr. 2026, Japanese Society for Surgery of the Hand, Hakata
• The basics of TEA about Kudo TEA, Gaku Niitsuma , Hiroki Nishikawa , Jun Ikeda , Keikichi Kawasaki , Katsunori Inagaki , Yoshifumi Kudo, The 38th annual meeting of the Japan Elbow Society, 13 Mar. 2026, Japan Elbow Society, Kyoto
• Stability Comparison Between the Diamond Pop-up and Lateral Para-olecranon Surgical Approaches in Total Elbow Arthroplasty: A Biomechanical Cadaveric Study, Gaku Niitsuma , Hiroki Nishikawa , Alexander Hooke , Ausberto Velasquez Garcia , Chunfeng Zhao, Mark , Morrey, Shawn O'Driscoll, Global Elbow Network meeting 2025, 09 Nov. 2025, Global Elbow Networ, Miami, Florida, USA
• Parallel vs. Orthogonal Plate Fixation for Complex Distal Humerus Fractures with a Coronal Shear Fragment: A Cadaveric Study, Gaku Niitsuma , Hiroki Nishikawa , James Fitzsimmons , Alexander Hooke , Ausberto Velasquez Garcia , Jesse O'Driscoll , Kai-Nan An , Chunfeng Zhao , Jonathan Barlow , Mark Morrey , Shawn O'Driscoll, Global Elbow Network meeting 2025, 08 Nov. 2025, Global Elbow Network, Miami, Florida, USA
• Comparison of parallel vs orthogonal technique for coronal shear fracture of the distal humerus; a-cadaveric study, Gaku Niitsuma , Hiroki Nishikawa , Ausberto Velasquez Garcia , Alexander Hooke , James Fitzsimmons , Kai-Nan An , Chunfeng Zhao , Jonathan Barlow , Mark Morrey , Shawn O'Driscoll, The 27th European Society for Surgery of the Shoulder and the Elbow, 18 Sep. 2025, SECEC, Rotterdam, Netherlands
• Unlinked TEA - Key points of Kudo total elbow arthroplasty and long-term results, Gaku Niitsuma, Katsunori Inagaki, Hiroki Nishikawa, Kazutoshi Kubo, Jun Ikeda, Keikichi Kawasaki, Yoshifumi Kudo, The 37th Annual Meeting of the Japan Elbow Society, 14 Mar. 2025, 今谷 潤也, Okayama, Japan
• Importance for Extra Articular Volar Comminution of Distal Radius Fractures, Gaku Niitsuma , Hirotaka Akezuma , Keikichi Kawasaki , Kazutoshi Kubo , Katsunori Inagaki , Yoshifumi Kudo, 79th annual meeting of the American Society for Surgery of the Hand, 19 Sep. 2024, The American Society for Surgery of the Hand, Minneapolis, Minnesota
• Long term results of unlinked total elbow arthroplasty, Gaku Niitsuma , Hiroki Nishikawa , Akiko Morohoshi , Yo Ogiwara , Kazutoshi Kubo , Jun Ikeda , Keikichi Kawasaki , Katsunori Inagaki , Yoshifumi Kudo, The 97th annual meeting of the Japanese Orthopaedic Association, 24 May 2024, 日本整形外科学会, Fukuoka, Japan
• Radial head fracture with ipsilateral proximal shaft of radius and ulnar fractures: A case (Oral presentation by winner othe academic encouragement award), Gaku Niitsuma , Kazutoshi Kubo , Keikichi Kawasaki , Katsunori Inagaki, 72nd annual meeting of Eastern Japan Association of Orthopaedics and Traumatology, 22 Sep. 2023, 東日本整形災害外科学会, Yamagata, Japan
• 橈骨遠位端骨折に対する掌側ロッキングプレート固定術の限界　関節外掌尺側骨皮質の粉砕の合併, 新妻 学;川崎 恵吉;稲垣 克記, 骨折, Jun. 2023
• Long-term results of Kudo total elbow arthroplasty for rheumatoid arthritis, Gaku Niitsuma , Hiroki Nishikawa , Akiko Morohoshi , Kazutoshi Kubo , Jun Ikeda , Keikichi Kawasaki , Katsunori Inagaki, 96th annual meeting of Japanese Orthopedic Association, 14 May 2023, The Japanese Orthopedic Association
• Complications of total elbow arthroplasty: Postoperative loosening, Gaku Niitsuma , Jun Ikeda , Kazutoshi Kubo , Keikichi Kawasaki , Katsunori Inagaki, 96th annual meeting of Japanese Orthopedic Association, 13 May 2023, 日本整形外科学会
• 橈骨遠位端骨折に対する掌側ロッキングプレート固定術の限界　関節外掌尺側骨皮質の粉砕の合併, 新妻 学;川崎 恵吉;久保 和俊;荻原 陽;諸星 明湖;稲垣 克記, 日本手外科学会雑誌, Apr. 2023
• 人工肘関節置換術-合併症に対する創意と工夫-　Kudo人工肘関節置換術の合併症　術後弛みについて, 新妻 学;池田 純;久保 和俊;川崎 恵吉;稲垣 克記, 日本整形外科学会雑誌, Mar. 2023
• 関節リウマチ肘に対するKudo人工肘関節の長期成績　術後平均15年の長期経過観察研究, 新妻 学;西川 洋生;諸星 明湖;荻原 陽;黒田 拓馬;久保 和俊;池田 純;川崎 恵吉;稲垣 克記, 日本整形外科学会雑誌, Mar. 2023
• TEA　関節リウマチ肘に対するKudo人工肘関節の長期成績　術後平均15年の長期経過観察研究, 新妻 学;西川 洋生;諸星 明湖;久保 和俊;池田 純;川崎 恵吉;稲垣 克記, 日本肘関節学会雑誌, Feb. 2023
• 治療に難渋した小児上腕骨遠位骨幹端粉砕骨折の2例, 新妻 学;八木 敏雄;久保 和俊;川崎 恵吉;稲垣 克記, 日本肘関節学会雑誌, Feb. 2023
• Surgical tips and pitfalls of Kudo total elbow arthroplasty, Gaku Niitsuma , Hiroki Nishikawa , Kazutoshi Kubo , Jun Ikeda , Katsunori Inagaki, 71st annual meeting of Eastern Japan Association of Orthopaedics and Traumatology, 16 Sep. 2022, 稲垣 克記, Tokyo, Japan
• 表面置換型人工PIP関節置換術の中・長期成績, 新妻 学;黒田 拓馬;筒井 完明;久保 和俊;川崎 恵吉;稲垣 克記, 日本手外科学会雑誌, Apr. 2022
• Kudo人工肘関節の再置換術後2年以上の成績, 新妻　学;西川　洋生;筒井　完明;久保　和俊;川崎　恵吉;稲垣　克記, 第34回日本肘関節学会学術集会, 11 Feb. 2022, 名古屋、ライブ・オンデマンド配信
• 関節リウマチ肘に対するKudo人工肘関節のコツと、10年以上の長期 成績について, 新妻　学;西川　洋生;筒井　完明;久保　和俊;川崎　恵吉;稲垣　克記, 第34回日本肘関節学会学術集会 シンポジウム2人工肘関節置換術のコツとpitfall, 11 Feb. 2022, 名古屋、ライブ・オンデマンド配信
• Kudo人工肘関節の長期成績と手術のテクニック (シンポジウム 関節リウマチに対する人工肘関節のテクニック), 新妻　学;西川　洋生;黒田　拓馬;筒井　完明;久保　和俊;川崎　恵吉;稲垣　克記, 第49回日本関節病学会, 06 Nov. 2021, Web開催
• 表面置換型人工PIP関節置換術の中・長期成績 (学術集会会長賞候補演題), 新妻　学;黒田　拓馬;筒井　完明;久保　和俊;川崎　恵吉;稲垣　克記, 第49回日本関節病学会, 05 Nov. 2021, Web開催
• Kudo人工肘関節の再置換術後2年以上の成績について, 新妻　学;西川　洋生;黒田　拓馬;筒井　完明;久保　和俊;川崎　恵吉;稲垣　克記, 第49回日本関節病学会, 05 Nov. 2021, Web開催
• 高齢者の不安定型橈骨遠位端骨折における保存療法の適応と限界, 新妻　学;寺本　憲市郎;石川　紘司;長井　卓志;中島　英親;川崎　恵吉;稲垣　克記, 第36回日本整形外科学会基礎学術集会, 15 Oct. 2021, 伊勢・オンデマンド配信
• 高齢者の不安定型橈骨遠位端骨折における保存療法の適応と限界, 新妻　学;中島　英親;川崎　恵吉;稲垣　克記, 第47回日本骨折治療学会学術集会, 03 Jul. 2021, 神戸・オンデマンド配信
• Indications and limitations of conservative treatment for unstable distal radius fractures, 新妻　学;寺本　憲市郎;長井　卓志;中島　英親;石川　紘司;川崎　恵吉;稲垣　克記, 第64回日本手外科学会学術集会, 22 Apr. 2021, 長崎およびオンデマンド配信
• Distal Humeral Metaphyseal-Diaphyseal Junctional Fractures in a Child, 新妻　学;八木　敏雄;久保　和俊;川崎　恵吉;稲垣　克記, 第33回日本肘関節学会学術集会, 12 Feb. 2021, 大阪およびオンデマンド配信
• 小指球ハンマー症候群様の症状を呈したMP関節レベルでの指動脈閉塞の一例, 新妻　学;川崎　恵吉;稲垣　克記, 第47回日本マイクロサージャリー学会学術集会, 20 Nov. 2020, 北九州
• Extensive High-Pressure Injecion Injury of Epoxy Resin Paint, 新妻　学;中島　英親;長井　卓志;寺本　憲市郎;川崎　恵吉;稲垣　克記, 第69回東日本整形災害外科学会, 18 Sep. 2020, Web開催
• 熊本における上肢農業外傷治療症例の発生状況の検討, 新妻　学;中島　英親;長井　卓志;寺本　憲市郎;川崎　恵吉;稲垣　克記, 第62回日本手外科学会学術集会, 18 Apr. 2019, 札幌
• 骨性マレット指に対する石黒法の治療経験〜DIP関節面対向不良例の検討〜, 黒田　拓馬;川崎　恵吉;酒井　健;新妻　学;稲垣　克記, 第44回骨折治療学会　, 06 Jul. 2018, 岡山
• 橈骨遠位端骨折AO-C型における関節外掌側皮質粉砕骨片の有無と矯正損失の関係, 新妻　学;川崎　恵吉;中村　正則;稲垣　克記, 第44回日本骨折治療学会, 06 Jul. 2018, 岡山
• 橈骨遠位端骨折のColles型・Smith型における関節外掌側皮質粉砕骨片と矯正損失の関係, 新妻　学;川崎　恵吉;池田　純;中村　正則;稲垣　克記, 第91回日本整形外科学会学術総会, 24 May 2018, 神戸
• 橈骨遠位端骨折のColles型・Smith型における掌側粉砕骨片と矯正損失の関係, 新妻　学;川崎　恵吉;中村　正則;稲垣　克記, 第43回日本骨折治療学会, 08 Jul. 2017, 郡山
• The Measurement of volar lunate facet fragment of the distal radius fractures - Comparative study between intra-operative and radiographic measurement -, NIITSUMA Gaku;KAWASAKI Keikichi;UENO Yukio;OKANO I;INAGAKI Katsunori, The 22nd FESSH, 13 Jun. 2017, Budapest
• 橈骨遠位端骨折の掌側粉砕症例における骨片位置の分類と術後矯正損失の検討, 新妻　学;川崎　恵吉;池田　純;中村　正則;稲垣　克記, 第90回日本整形外科学会学術総会, 18 May 2017, 仙台
• 橈骨遠位端骨折の掌側粉砕症例における骨片位置と骨片面積の分類と術後矯正損失の検討, 新妻　学;川崎　恵吉;池田　純;中村　正則;稲垣　克記, 第60回日本手外科学会学術集会, 27 Apr. 2017, 名古屋
• 舟状骨偽関節に対する血管柄付き骨移植術を極める　内固定材についての再考, 川崎　恵吉;富田　一誠;池田　純;前田　利雄;上野　幸夫;根本　哲也;新妻　学;筒井　完明;酒井　健;久保田　豊;黒田　拓馬;稲垣　克記, 第43回日本マイクロサージャリー学会学術集会, 17 Nov. 2016, 広島
• 開放性橈骨遠位端骨折後骨髄炎に対する有茎尺骨移植によるone bone forearm再建術の1例, 新妻　学;川崎　恵吉;吉田　泰雄;中村　裕介;根本　哲也;筒井　完明;前田　利雄;稲垣　克記, 第43回日本マイクロサージャリー学会学術集会, 17 Nov. 2016, 広島
• 陳旧性モンテギア骨折後のPLRI様の症状を呈した肘関節不安定症の治療経験, 新妻　学;川崎　恵吉;池田　純;東山　祐介;根本　哲也;中村　正則;稲垣　克記, 第22回神奈川上肢外科研究会, 08 Oct. 2016, 横浜
• 月状骨窩骨片を伴う橈骨遠位端骨折の術前後画像計測および術中実測の検討, 新妻　学;川崎　恵吉;上野　幸夫;岡野　市郎;稲垣　克記, 第59回日本手外科学会学術集会, 21 Apr. 2016, 広島
• 変性辷り症、変性側弯症を伴う腰部脊柱管狭窄症における、腰椎後方除圧術後の全脊柱アライメントの変化, 新妻　学;河村　直洋;藤井　賢吾;久野木　順一;松平　浩;岡　敬之, 第22回日本脊椎・脊髄神経手術手技学会学術集会, 18 Sep. 2015, 東京
• Stress Distribution by The Finite Element Method in Kudo Total Elbow Arthroplasty, NIITSUMA Gaku;IKEDA Jun;NISHIKAWA Hiroki;USUI Yuki;INAGAKI Katsunori;OSANAI T;KOBAYASHI K;MARUYAMA H;KADOWAKI R;KIMURA H;INOU N, 20th Federation of European Societies for Surgery of the Hand, 17 Jun. 2015, Milan
• Stress Distribution by The Finite Element Method in Kudo Total Elbow Arthroplasty, NIITSUMA Gaku;INAGAKI Katsunori;IKEDA Jun;NISHIKAWA Hiroki;USUI Yuki, 2014 ICJR Pan Pacific Congress, 16 Jul. 2014, Kona, Hawaii
• 関節リウマチ肘に対するKudo人工肘関節置換術の中・長期成績, 新妻　学;稲垣　克記;池田　純;前田　利雄;西川　洋生, 第87回日本整形外科学会学術総会, 25 May 2014, 神戸
• 示指MP関節lockingの徒手整復施行後に骨棘骨折を生じた一例, 新妻　学;川崎　恵吉;稲垣　克記, 第62回東日本整形災害外科学会, 19 Sep. 2013, 軽井沢町
• Kudo人工肘関節の筋収縮下における有限要素モデル, 新妻　学;西川　洋生;池田　純;稲垣　克記;小山内　泰亮;丸山　寛樹;門脇　廉;木村　仁;伊能　教夫, 第25回日本肘関節学会学術集会, 08 Feb. 2013, 東京
• Kudo人工肘関節の有限要素法による応力解析, 新妻　学;稲垣　克記;池田　純;西川　洋生;伊能　教夫;木村　仁;門脇　廉;丸山　寛樹, 第27回日本整形外科学会基礎学術集会, 26 Oct. 2012, 名古屋

Books etc

• Today's Therapy 2025, vol 67, Elbow Instability, Gaku Niitsuma, Contributor, 1111-1112, IGAKU-SHOIN Ltd., Jan. 2025, Peer-reviewed
• Japanese Journal of Orthopaedic Nursing, Elbow, Gaku Niitsuma, Katsunori Inagaki, Contributor, 87-116, Medica co., Jun. 2023, Peer-reviewed
• Primary surgery of the total elbow arthroplasty for humeral condylar fractures in the elderly, Orthopedic Surgery No.83, Advances in total arthroplasty III. Pre-operative planning for long-term results 1. Total elbow arthroplasty, Gaku Niitsuma, Jun Ikeda, Keikichi Kawasaki, Katsunori Inagaki, Contributor, 42-46, Nankodo Co., Ltd., Apr. 2023, Peer-reviewed, DOI:10.15106/j_besei83_42
• Total arthroplasty for upper extremity, New OS NEXUS No.5, Basic technique of the total elbow arthroplasty (Kudo Elbow), Gaku Niitsuma, Katsunori Inagaki, Contributor, 83-94, MEDICAL VIEW, Feb. 2023, Peer-reviewed