| Presentation | 1997/9/27 A Real-Time Visualization of the Articulation of Knee Joint during Total Knee Arthroplasty Y. Kondo, T. Hayashi, K. Nishino, Y. Suzuki, Y. Koga, M. Miyakawa, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | This paper describes a system capable of intraoperatively monitoring knee movement of total knee arthroplasty (TKA) on a real-time basis. Pre- and post-operative measurements of knee movement have been reported numerously. Its intraoperative measurement, however, has yet to be attempted, despite a number of clinical benefits. To achieve this, we developed a linear CCD camera-based photostereometric system, KKN/1B, capable of measuring knee movement in 6 degrees of freedom. By combining kinematic data obtained from this system with a computer model of the articular surfaces of the prosthesis, the relative movement of the opposing surfaces was computed and visualized by using a wire-frame representation and a distance map on the tibial surface. This particular visualization was updated into a real time-based one by incorporating a fast algorithm for time-consuming distance-map computation. Through experiments employing a single cadaveric knee, our real-time visualization of the relative movement and the distance map was verified to function at a rate of 35 flames per second and 10 flames per second, respectively. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | knee movement / total knee arthroplasty / intraoperative measurement / real-time visualization / relative movement of knee joint surfaces / intersurface proximity of knee joint |
| Paper # | MBE97-83 |
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| Conference Information | |
| Committee | MBE |
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| Conference Date | 1997/9/27(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
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| Paper Information | |
| Registration To | ME and Bio Cybernetics (MBE) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Real-Time Visualization of the Articulation of Knee Joint during Total Knee Arthroplasty |
| Sub Title (in English) | |
| Keyword(1) | knee movement |
| Keyword(2) | total knee arthroplasty |
| Keyword(3) | intraoperative measurement |
| Keyword(4) | real-time visualization |
| Keyword(5) | relative movement of knee joint surfaces |
| Keyword(6) | intersurface proximity of knee joint |
| 1st Author's Name | Y. Kondo |
| 1st Author's Affiliation | Graduate School of Science and Technology, Niigata University() |
| 2nd Author's Name | T. Hayashi |
| 2nd Author's Affiliation | Graduate School of Science and Technology, Niigata University |
| 3rd Author's Name | K. Nishino |
| 3rd Author's Affiliation | Graduate School of Science and Technology, Niigata University |
| 4th Author's Name | Y. Suzuki |
| 4th Author's Affiliation | Graduate School of Medicine, Niigata University |
| 5th Author's Name | Y. Koga |
| 5th Author's Affiliation | Niigata Kobari Hospital, Orthopaedic Surgery |
| 6th Author's Name | M. Miyakawa |
| 6th Author's Affiliation | Department of Information Engineering, Faculty of Engineering, Niigata University. |
| Date | 1997/9/27 |
| Paper # | MBE97-83 |
| Volume (vol) | vol.97 |
| Number (no) | 292 |
| Page | pp.pp.- |
| #Pages | 8 |
| Date of Issue | |