FIELD: medicine.
SUBSTANCE: present invention refers to methods for coating depositions on surgical needles of a metal alloy. A needle is covered with a lower coating containing vinyl-functionalised organopolysiloxane; the lower coating is cured, and the needle is covered with an upper coating containing polydimethylsiloxane with the lower coating bound to the upper one. The lower and upper coatings can be deposited by means of nozzles. According to the versions of the invention, covering the needle of the metal alloy with the lower coating is followed by depositing an undercoating containing polyalkylsiloxane and tetraethyl silicate covalently bound to the metal alloy. Further, depositing the lower coating is combined by binding the lower coating with the undercoating.
EFFECT: coated surgical needles are durable and can be multiply deposited through a tissue with a minimum effort.
24 cl, 10 dwg, 6 tbl, 4 ex
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