Long-term preservation liquid for corneal tissue and preparation method thereof
A long-term preservation and organization technology, which is applied in the preservation, application, and animal husbandry of human or animal bodies. It can solve the problems of complex composition, high price, and restrictions on the wide application of corneal lenses, and achieve the effect of simple operation.
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Embodiment 1
[0036] A long-term corneal tissue preservation solution, comprising the following components and contents:
[0037]
[0038] The preparation method of the above-mentioned corneal tissue long-term preservation solution specifically comprises the following steps:
[0039] Step S10: Weighing: weighing each component according to the formula amount.
[0040] Step S20: preparation: including:
[0041] Step S201: add some water for injection into the container, control the water temperature to 59±1°C, then add sodium chondroitin sulfate, sodium hyaluronate, dextran 40, sodium pyruvate, sodium bicarbonate, and 4-hydroxyethylpiperazine ethylsulfonate respectively acid, add water for injection and stir for 40min to dissolve the above components;
[0042] Step S202: Control the temperature of the mixture in step S201 to 39±1°C, add vitamin C, then add part of water for injection and stir for 10 minutes;
[0043] Step S203: Control the temperature of the mixture in step S202 to 39±...
Embodiment 2
[0049] A long-term corneal tissue preservation solution, comprising the following components and contents:
[0050]
[0051]The preparation method of the above-mentioned corneal tissue long-term preservation solution is basically the same as that of Example 1, the difference is that in step S201, the water temperature is controlled at 50±1°C and stirred for 80 minutes; in step S202, the temperature is controlled at 35±1°C and stirred for 20 minutes; In S203, control the temperature at 35±1°C, and stir for 15 minutes; in step S204, control the temperature at 35±1°C, and stir for 20 minutes.
Embodiment 3
[0053] A long-term corneal tissue preservation solution, comprising the following components and contents:
[0054]
[0055]
[0056] The preparation method of the above-mentioned corneal tissue long-term storage solution is basically the same as that of Example 1, the difference is that in step S201, the water temperature is controlled at 40±1°C and stirred for 100 minutes; in step S202, the temperature is controlled at 35±1°C and stirred for 30 minutes; In S203, control the temperature at 35±1°C, and stir for 25 minutes; in step S204, control the temperature at 35±1°C, and stir for 25 minutes.
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