| abstract |
The invention discloses a new medical suture material and a preparation method thereof, and the new medical suture material is prepared from the following raw materials: silk, polyglycolide, ossein, chitosan, an antibacterial agent, acetic acid, urea, glycerol, a pretreatment solution and a coagulating bath; the preparation method of the novel medical suture material comprises the following steps: preparing a spinning solution; preparing spinning threads; pretreating giant silkworm silk; preparing an antibacterial agent solution; respectively carrying out antibacterial coating treatment on the spinning threads and the tencel; weaving the spinning threads and the tencel; shaping, sterilizing and packaging the braided wire to obtain a new medical suture material; the new medical suture material has high tensile strength and good biocompatibility, and can be completely absorbed and degraded in biological tissues; the antibacterial effect is excellent and lasting; the preparation process has the advantages of short flow, low cost, safe use and high production efficiency. |