Does Wrapping With Bone Marrow Injection Enhance Healing of Meniscal Sutures Into the Avascular Area

Inclusion Criteria: * Symptomatic or traumatic tears of medial or lateral meniscus; * Tearing affecting: only 2/3 central (= avascular zone) over more than 1 cm OR extending from the peripheral third (= vascularized area) within the avascular zone over more than 1 cm. In this case, preservation of the peripheral third over a width of at least 4 mm from the capsule; * Single or multiple tears. Exclusion Criteria: * Meniscal tears that can not be sutured, reduced / approximated * Tear creating a meniscal root avulsion * Partial meniscal tears * Meniscal tears already sutured * Cartilage damage in the compartment\> grade 2 (ICRS classification) * Mechanical axis (varus / valgus) ≥ 2 ° * Untreated ligament deficiency * Osteotomy and / or concomitant ligament reconstruction, with the exception of ACL reconstruction. * Compromised general health condition (score ASA score\> 2) * BMI ≥30 * Active smoking, drug use * Allergy to porcine collagen * Poor compliance