- A Modified Under-Vastus Approach for Knee Arthroplasty with Anatomical Repair of Soft Tissue
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Hiranaka T, Tanaka T, Fujishiro , Anjiki K, Nagata N, Kitazawa D, Kotoura K, Okamoto K
- KMID: 2462545
- Clin Orthop Surg.
- 2019 Dec;11(4):490-494.
- doi: 10.4055/cios.2019.11.4.490
The under-vastus approach (UVA) is a modification of the conventional subvastus approach for knee arthroplasty. Our modified UVA allows the muscles to be spared while offering good exposure of the... -
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- Accurate and Easy Measurement of Sliding Distance of Intramedullary Nail in Trochanteric Fracture
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Chinzei N, Hiranaka T, Niikura T, Fujishiro , Hayashi S, Kanzaki N, Hashimoto , Sakai Y, Kuroda R, Kurosaka M
- KMID: 2164538
- Clin Orthop Surg.
- 2015 Jun;7(2):152-157.
- doi: 10.4055/cios.2015.7.2.152
BACKGROUND: In daily clinical practice, it is essential to properly evaluate the postoperative sliding distance of various femoral head fixation devices (HFD) for trochanteric fractures. Although it is necessary to... -
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- Comparison of the Sliding and Femoral Head Rotation among Three Different Femoral Head Fixation Devices for Trochanteric Fractures
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Chinzei N, Hiranaka T, Niikura T, Tsuji M, Kuroda R, Doita M, Kurosaka M
- KMID: 2234081
- Clin Orthop Surg.
- 2015 Sep;7(3):291-297.
- doi: 10.4055/cios.2015.7.3.291
BACKGROUND: Recently, various femoral head fixation devices (HFDs) for trochanteric fractures have become available. However, there are some cases in which femoral head rotation with excessive sliding of the HFD... -
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- A Novel Technique for Varus Tibial Cutting for Oxford Unicompartmental Knee Arthroplasty
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Hiranaka T, Tanaka T, Fujishiro T, Okimura K, Shigemoto R, Araki S, Okada R, Nako R, Okamoto K
- KMID: 2508788
- Clin Orthop Surg.
- 2020 Dec;12(4):554-557.
- doi: 10.4055/cios20191
To reduce the stress on the medial tibial cortex and to decrease the risk of fracture, a varus cut of the tibia appears to be a reasonable alternative to the... -
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- Manipulation of Tibial Component to Ensure Avoidance of Bearing Separation from the Vertical Wall of Tibial Component in Oxford Unicompartmental Arthroplasty
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Hiranaka T, Tanaka T, Okimura K, Fujishiro T, Shigemoto R, Araki S, Okada R, Nako R, Kamenaga T, Okamoto K
- KMID: 2512922
- Clin Orthop Surg.
- 2021 Mar;13(1):.
- doi: 10.4055/cios20277
In Oxford unicompartmental knee arthroplasty, the relationship between the mobile bearing and the vertical wall of the tibial tray is important in preventing bearing dislocation. Separation of the bearing from... -
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- Kinematically Aligned Oxford Unicompartmental Knee Arthroplasty Using the Microplasty Instrumentation System
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Hiranaka T, Fujishiro T, Koide M, Okamoto K
- KMID: 2544543
- Clin Orthop Surg.
- 2023 Aug;15(4):690-694.
- doi: 10.4055/cios22205
This technical note demonstrates kinematically aligned Oxford unicompartmental knee arthroplasty using the Microplasty instrumentation system with custom-made devices. The medial joint line is evaluated preoperatively; if it is aligned and... -
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- The Medial Eminence Line for Predicting Tibial Fracture Risk after Unicompartmental Knee Arthroplasty
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Yoshikawa , Hiranaka T, Okamoto K, Fujishiro , Hida Y, Kamenaga T, Sakai Y
- KMID: 2500860
- Clin Orthop Surg.
- 2020 Jun;12(2):166-170.
- doi: 10.4055/cios19011
Background: Tibial fracture after cementless Oxford unicompartmental knee arthroplasty (OUKA) is a rare but serious complication. It is reported more frequently in Asian countries. The aim of this retrospective study... -
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- Second-Look Arthroscopic Findings and Clinical Outcomes after Adipose-Derived Regenerative Cell Injection in Knee Osteoarthritis
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Onoi Y, Hiranaka T, Hida Y, Fujishiro T, Okamoto K, Matsumoto T, Kuroda R
- KMID: 2532384
- Clin Orthop Surg.
- 2022 Sep;14(3):377-385.
- doi: 10.4055/cios20312
Background: To evaluate the clinical outcomes and second-look arthroscopic findings after intra-articular adipose-derived regenerative cell (ADRC) injection as treatment for knee osteoarthritis (OA). Methods: ADRCs were administered to 11 patients (19... -
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- Clinical Results of Dual SC Screw: A Mini-Sliding Hip Screw with an Anti-rotating Screw for Femoral Neck Fractures
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Hiranaka T, Tanaka T, Okumura K, Fujishiro T, Shigemoto R, Araki S, Okada R, Nako R, Okamoto K
- KMID: 2522367
- Clin Orthop Surg.
- 2021 Dec;13(4):449-455.
- doi: 10.4055/cios20202
Background: Dual SC screw (DSCS) is a unique concept internal fixation device consisting of a sliding screw and barrel assembly that enables compression force to be applied to the femoral... -
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- Preliminary diagnosis of medial meniscus posterior root tears using the Rosenberg radiographic view
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Kodama Y, Furumatsu , Kamatsuki , Hiranaka T, Takahata T, Sadakane M, Ikuta H, Yasumitsu , Ozaki T
- KMID: 2469772
- Knee Surg Relat Res.
- 2019 Dec;31(4):e9.
- doi: 10.1186/s43019-019-0011-5
PURPOSE: To verify the effectiveness of detecting medial meniscus posterior root tears (MMPRTs) using weight-bearing posterior-anterior (PA) radiographs. MATERIALS AND METHODS: Twenty-three patients were diagnosed with an MMPRT using magnetic resonance... -
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- The accuracy of a newly developed guide system in medial meniscus posterior root repair: a comparison between two aiming guides
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Furumatsu , Okazaki Y, Kodama Y, Okazaki Y, Kamatsuki , Masuda S, Hiranaka T, Ozaki T
- KMID: 2469787
- Knee Surg Relat Res.
- 2019 Sep;31(3):e7.
- doi: 10.1186/s43019-019-0007-1
PURPOSE: Posterior root repair of the medial meniscus (MM) can prevent rapid progression of knee osteoarthritis in patients with a MM posterior root tear (MMPRT). The anatomic reattachment of the... -
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