FIELD : medicine.SUBSTANCE : invention relates to medicine and can be used to close or fasten the edges of wounds of such tissue as skin, muscles, tendons, internal organs, nerves and blood vessels. Retention suture includes a plurality of asymmetric retainers along a body length region. Retention suture also includes locking pins that have an arcuate base.EFFECT : method of forming the retainers includes the use of a cutting device having a configuration for notching the retainers, starting at the base of the retainer and ending at the tip of the retainer.34 cl, 20 dwg