Antibacterial surgical suture without being taken out and preparation method thereof
A surgical suturing, removal-free technology, applied in surgery, medical science, surgical instruments, etc., can solve the problems of increasing the difficulty of postoperative care of patients, achieve good biocompatibility, reduce the incidence rate, and reduce the effect of rejection
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Embodiment 1
[0021] A dismantling-free antibacterial surgical suture, consisting of the following components in parts by weight: 80 parts of polycaprolactone resin, 5 parts of sodium carboxymethylcellulose, 5 parts of polyvinyl alcohol, 5 parts of glycerin, 5 parts of calcium carbonate, and 5 parts of starch 15 parts of aloe vera powder, 10 parts of polylactic acid, 3 parts of chitosan, 5 parts of silk fibroin, 5 parts of agar, and 5 parts of Artemisia argyi leaf extract. Weigh the above powder raw materials by weight and mix them uniformly in a high-speed mixer, then blend them with glycerin and ultrasonically grind them for 1 hour at a grinding speed of 200rpm, and feed the mixture into a twin-screw extruder from the main feeding port for Melt blending extrusion processing, the main processing temperature of the twin-screw extruder is 120°C, after stretching, water cooling, pelletizing, and low-temperature drying to obtain plastic masterbatches, the plastic masterbatches are diluted and t...
Embodiment 2
[0023] A dismantling-free antibacterial surgical suture, consisting of the following components in parts by weight: 90 parts of polycaprolactone resin, 8 parts of sodium carboxymethylcellulose, 8 parts of polyvinyl alcohol, 9 parts of glycerin, 6 parts of calcium carbonate, and 20 parts of starch 10 parts of aloe vera powder, 15 parts of polylactic acid, 5 parts of chitosan, 8 parts of silk fibroin, 3 parts of agar, 3 parts of Artemisia argyi leaf extract. Weigh the above powder raw materials by weight and mix them uniformly in a high-speed mixer, then blend them with glycerin and ultrasonically grind them for 3 hours at a grinding speed of 200rpm, and feed the mixture into a twin-screw extruder from the main feeding port for melting Blending extrusion processing, the main processing temperature of the twin-screw extruder is 125°C, after stretching, water cooling, pelletizing, and low-temperature drying to obtain plastic masterbatches, the plastic masterbatches are diluted and ...
Embodiment 3
[0025] A dismantling-free antibacterial surgical suture, consisting of the following components in parts by weight: 95 parts of polycaprolactone resin, 3 parts of sodium carboxymethylcellulose, 3 parts of polyvinyl alcohol, 4 parts of glycerin, 3 parts of calcium carbonate, and 30 parts of starch 20 parts of aloe vera powder, 12 parts of polylactic acid, 9 parts of chitosan, 6 parts of silk fibroin, 10 parts of agar, and 8 parts of Artemisia argyi leaf extract. Weigh the above powder raw materials by weight and mix them uniformly in a high-speed mixer, then blend them with glycerin and ultrasonically grind them for 5 hours at a grinding speed of 200rpm, and feed the mixture into a twin-screw extruder from the main feeding port for melting Blending extrusion processing, the main processing temperature of the twin-screw extruder is 130°C, after stretching, water cooling, pelletizing, and low-temperature drying to obtain plastic masterbatches, the plastic masterbatches are diluted...
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