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Fig. 3 | Journal of Orthopaedic Surgery and Research

Fig. 3

From: Instruments for reproducible setting of defects in cartilage and harvesting of osteochondral plugs for standardisation of preclinical tests for articular cartilage regeneration

Fig. 3

Creating a defect in cartilage tissue. a The crown mill is centred with the help of the pegs and the cutting process can be started. b When the adjusted depth is reached, a further feed is blocked even if the instrument is turned. Notice the proper chip formation, due to the customised profile of the blades. c The outer sleeve of the front mill is placed in the circular groove made by the crown mill. d The cartilage plug in the middle is cut by the front mill, thus creating a smooth surface. The harvested cartilage tissue can be used for the isolation of chondrocytes for ACT or MACT

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X