An anastomotic connector comprising: a connector body 1 having a first end 10 engageable into a first vessel V1, the first end 10 being provided with teeth 13 on its outer surface, and a first locking sleeve engageable around the first end 10, the first locking sleeve surrounding the teeth 13 in a locked position, in order to impede relative movement between the first vessel V1 and the connector body 1. The first locking sleeve is provided with longitudinal ribs on its inner surface, the ribs being spaced from each other in a circumferential direction of the first locking sleeve.
