Tendon injury is a clinical, societal and economical issue. Moreover, tendon repair represents an important
clinical challenge, partly due to the mechanical constraints that occur at the junctions with muscle and
bone. Several strategies have been developed for tendon repair. In this review, we first assess the importance of
tendon injuries from different sites and their causes. After a short overview of tendon three-dimensional organization,
the complexity of the perfect repair quest is presented ranging from current clinical procedures to new engineering
scaffolds. We then sum up tendon engineering requirements and focus on new collagen-based scaffolds,
which raise promising prospects to mimic and repair tendon. In particular, we survey quantitatively a large panel
of techniques to produce these scaffolds, detailing their principle and recent improvements.
Keywords: Tendon, injury, repair, biomaterial, graft, collagen, scaffold.
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