Knee Surgery
Subproject 2 – Keyhole Technique for Knee Surgery under MRI Guidance
Minimal invasive interventions performed on a joint are known as arthroscopy. Given the limited amount of space available, keyhole surgery on the joints requires highly skilled and experienced surgeons. The joints are very complex moving structures, which is why it is especially important to minimize surgical trauma and ensure early functional recovery. Just as MRI revolutionized articular imaging, it is now expected that its intraoperative use will improve the surgical reconstruction of damaged joints. In a first step, MRI guidance will be used in knee surgery to reconstruct medial ligaments torn during knee cap dislocation.
(a) Dislocation of the knee cap due to torn ligament (red arrow). (b) Restored normal gliding of the knee cap after ligament repair (green arrow). (c) Arthroscopy under MRI guidance.
Without the use of MRI, the outcome of surgery is monitored by arthroscopy and clinical examination by the surgeon. Under intraoperative MRI monitoring, the outcome can be directly observed during surgery and corrections can be made as needed. MRI guidance during surgery thus increases safety and improves the outcome of the operation.
Instruments:
- MR-taugliches Kamerasystem HDC905 der Firma World of Medicine AG (W.O.M.)
- MR-taugliches Arthroskop ARTHROLUX-Telescope 30° der Firma MGB Endoskopische Geräte GmbH Berlin (MGB)
- W.O.M.-Video-Kameralinse (Adapter) der Firma MGB
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