Preparation method of external natural diatomite emergency life-saving hemostat
A technology of natural diatomite and hemostatic agent, applied in the fields of medical science, bandages, absorbent pads, etc., to achieve the effect of small bulk density, good hemostatic effect and less heat release
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Embodiment 1
[0024] The natural diatomite in Shengxian County, Zhejiang Province is selected as the raw material. The main components are: silicon oxide, aluminum oxide, iron oxide, magnesium oxide, calcium oxide, sodium oxide and potassium oxide. The content of silicon oxide exceeds 60%, and its XRD pattern is shown in attached figure 1 , see the original map of the ore figure 2 . .
[0025] Put a certain amount of natural diatomite from Sheng County, Zhejiang Province into a traditional Chinese medicine pulverizer, the pulverization time is about 5 minutes, and the particle size after pulverization is between 1 micron and 1 mm. Dry in an oven at 100°C for 1 hour to obtain a natural diatomaceous earth emergency life-saving hemostatic agent. Its hemostatic effect is similar to that of Quikclot. The in vitro coagulation experiment is carried out on a silent mixer. Take a certain amount of blood stabilized by adding sodium citrate, add an appropriate amount of calcium chloride to determi...
Embodiment 2
[0027] The natural diatomite was treated in a muffle furnace at 300°C, 500°C, and 700°C for 4 hours respectively, and then dried in an oven at 100°C for 1 hour to obtain a heat-treated natural diatomite emergency life-saving hemostatic agent. Its hemostatic effect is similar to that of Quikclot, see attached image 3 .
Embodiment 3
[0029] Take 1g of natural diatomaceous earth hemostatic agent and 1g of Quikclot respectively in a test tube, then add 1ml of water, measure the temperature change with an infrared sensor, and reflect the thermal effect through the temperature change. The thermal effect is shown in the attached Figure 4 .
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