Pharmaceutical composition for treating granulation tissue hyperplasia around orifice of central venous indwelling catheter
A composition and drug technology, applied in the directions of drug combination, cardiovascular system diseases, antipyretic drugs, etc., to achieve the effects of alleviating pain and inhibiting the proliferation of granulation tissue
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Embodiment 1
[0029] (1) Preparation of Xihuangcao extract:
[0030] Grind Xihuangcao, pass through a 80-100 mesh sieve, add ethanol solution with a volume fraction of 95%, the ratio of Xihuangcao to ethanol solution is 1g:10ml; ultrasonic extraction, the power of ultrasonic extraction is 300W, ultrasonic extraction The time is 30min; the extract is obtained, the extract is concentrated and dried to obtain the Xihuangcao extract.
[0031] (2) Preparation of Digupi extract
[0032] Crush the Cortex Lycii, add 10 times the weight of water to reflux and extract 3 times, each time for 1.5 hours, filter, and combine the extracts; concentrate the extracts to a relative density of 1.10-1.20 (measured at 50°C) to obtain a concentrated solution;
[0033] The concentrated solution was added to the D101 macroporous adsorption resin column, first eluted with 5 times the column volume of water, and then 10 times the volume fraction of the column volume with 50% ethanol, collected the ethanol eluate, re...
Embodiment 2
[0037] The preparation method of Xihuangcao extract and Digupi extract is the same as that in Example 1.
[0038] The Xihuangcao extract and Digupi extract are mixed at a weight ratio of 3:1 to obtain a pharmaceutical composition for treating granulation tissue hyperplasia around the orifice of a central venous indwelling catheter.
[0039] Then the pharmaceutical composition is combined with pharmaceutical excipients to make a gel by conventional methods.
Embodiment 3
[0041] The preparation method of Xihuangcao extract and Digupi extract is the same as that in Example 1.
[0042] The Xihuangcao extract and Digupi extract are mixed at a weight ratio of 1:1 to obtain a pharmaceutical composition for treating granulation tissue hyperplasia around the orifice of a central venous indwelling catheter.
[0043] Then the pharmaceutical composition is combined with pharmaceutical excipients to make a gel by conventional methods.
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