Postoperative anti-adhesion membrane material and method for preparing same
An anti-adhesion film and lactic acid technology, applied in the field of biomedical materials, can solve the problems of unsatisfactory performance and high cost of the anti-adhesion film material, and achieve the effects of preventing adhesion, low equipment requirements and reducing bleeding
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Embodiment 1
[0023] Embodiment 1: The preparation method of this postoperative anti-adhesion film material, the specific operation steps are as follows:
[0024] (1) Mix the dilute lactic acid solution with sodium carboxymethyl cellulose and stir to dissolve it fully to obtain sodium lactic acid solution of carboxymethyl cellulose, wherein the dilute lactic acid solution is prepared by mixing lactic acid and distilled water with a volume ratio of 1:100 Obtain, the mixing ratio of lactic acid and sodium carboxymethyl cellulose is that 1ml lactic acid mixes with 0.5g sodium carboxymethyl cellulose;
[0025] (2) Add glycerol to carboxymethyl cellulose sodium lactic acid solution, mix well and add konjac glucomannan to stir well, wherein the volume ratio of glycerol to carboxymethyl cellulose sodium lactic acid solution is 1:200 , the amount of konjac glucomannan added is 0.5 g of konjac glucomannan added to every 100 ml of carboxymethylcellulose sodium lactic acid solution;
[0026] (3) Heat...
Embodiment 2
[0029] Embodiment 2: The preparation method of this postoperative anti-adhesion film material, the specific operation steps are as follows:
[0030] (1) Mix the dilute lactic acid solution with sodium carboxymethyl cellulose, stir to dissolve it fully, and obtain a sodium lactic acid solution of carboxymethyl cellulose, wherein the dilute lactic acid solution is prepared by mixing lactic acid and distilled water with a volume ratio of 1:300 Obtain, the mixing ratio of lactic acid and sodium carboxymethyl cellulose is that 1ml lactic acid mixes with 0.1g sodium carboxymethyl cellulose;
[0031] (2) Add glycerol to carboxymethyl cellulose sodium lactic acid solution, mix well and add konjac glucomannan and stir well, wherein the volume ratio of glycerol to carboxymethyl cellulose sodium lactic acid solution is 1:600 , the amount of konjac glucomannan added is 1g of konjac glucomannan added to every 100ml carboxymethylcellulose sodium lactic acid solution;
[0032] (3) Heat the ...
Embodiment 3
[0035] Embodiment 3: The preparation method of this postoperative anti-adhesion film material, the specific operation steps are as follows:
[0036](1) Mix the dilute lactic acid solution with sodium carboxymethyl cellulose, stir to dissolve it fully, and obtain a sodium lactic acid solution of carboxymethyl cellulose, wherein the dilute lactic acid solution is prepared by mixing lactic acid and distilled water with a volume ratio of 1:400 Obtain, the mixing ratio of lactic acid and sodium carboxymethyl cellulose is that 1ml lactic acid mixes with 0.3g sodium carboxymethyl cellulose;
[0037] (2) Add glycerol to carboxymethylcellulose sodium lactic acid solution, mix well and add konjac glucomannan and stir thoroughly, wherein the volume ratio of glycerol to carboxymethylcellulose sodium lactic acid solution is 1:800 , the amount of konjac glucomannan added is 3g of konjac glucomannan added to every 100ml carboxymethylcellulose sodium lactic acid solution;
[0038] (3) Heat t...
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