Injection of flurbiprofen and its preparing method
A flurbiprofen axetil and solvent refining technology, applied in pharmaceutical formulations, antipyretics, drug delivery, etc., can solve problems such as affecting clinical use, gastrointestinal disorders, patients unable to take drugs orally, and achieve less gastric mucosal damage. , The effect of improving pain symptoms and very low incidence of adverse reactions
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[0005] The preferred prescription of the present embodiment is as follows:
[0006] 1. Prescription composition:
[0007] Flurbiprofen axetil 50g main drug
[0008] Refined Soybean Oil 600g Solvent
[0009] Refined Lecithin 70g Emulsifier
[0010] Glycerin 112g Isotonic
[0011] Disodium hydrogen phosphate 4.2g Buffer
[0012] citric acid pH adjuster
[0013] Add water for injection to 50000ml medium
[0014] Pour flurbiprofen axetil, refined soybean oil and refined lecithin weighed according to the prescription into the coarse emulsification tank (feeding according to 105% of the prescription amount), keep warm at 50-60°C, stir for 10 minutes, and rotate at a speed of 2500- 3000rpm, mix and dissolve, then add the calculated amount of water for injection and concentrated glycerin, keep warm at 50-60°C, and stir for 20 minutes to make a coarse emulsion. Pour the coarse emulsion into the homogenizer, homogenize under high pressure, keep 700-750kg / cm 3 of high pressure. ...
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