Preparation method of bemegride injection
A technology of injection preparation and Bemag, which is applied in the fields of pharmaceutical formulation, drug delivery, nervous system diseases, etc., can solve problems such as high risk, sterility cannot be effectively guaranteed, and drug safety cannot be effectively guaranteed, reaching Large application value, simple method, and the effect of reducing quality risks
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Embodiment 1
[0040] Embodiment 1 prepares Bemige injection:
[0041]
ingredients
Per 10,000ml prescription volume
1
Bemeg
27.8g
2
90g
3
10g
4
Water for Injection
up to 10,000 ml
[0042] (1) Put 80% of the prepared water for injection (the temperature of water for injection is 70-75°C) into the liquid mixing tank, add the weighed sodium chloride and stir.
[0043] (2) Add the weighed Bemag and stir.
[0044] (3) Add the weighed medicinal charcoal and stir.
[0045] (4) Add water for injection to the full amount and stir.
[0046] (5) The solution is first filtered through a titanium filter, and then through a 0.45 μm and a 0.2 μm microporous membrane cartridge filter.
[0047] (6) Adjust the pH value to the range of 5.0-6.0.
[0048] (7) Determination of intermediate product content and pH value.
[0049] (8) Fill and seal into 20ml ampoules.
[0050] (9) Termina...
Embodiment 2
[0053] Embodiment 2 prepares Bemige injection
[0054] The composition and preparation method are the same as in Example 1, but the water temperature of the water for injection in step (1) is 76-80°C.
Embodiment 3
[0055] Embodiment 3 prepares Bemige injection
[0056] Composition and preparation are the same as in Example 1, but the water temperature of the water for injection in step (1) is 81-85°C
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