A kind of pure natural water-soluble human body lubricant and its preparation method and application
A human body lubricant and water-soluble technology, applied in the field of pure natural water-soluble human body lubricant and its preparation, can solve the problems of increasing the irritation of medical devices to mucous membranes, poor stability of silicone, easy accumulation of ecological environment, etc., and achieve excellent lubrication Good performance, improved performance, good stability
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preparation example Construction
[0047] Preparation of plant extract lubricating fluid:
[0048] 1) The plant raw materials are cleaned with sterile water, air-dried, and pulverized by a high-speed pulverizer to obtain a coarse powder. Add sterile water twice the mass of the coarse powder to the coarse powder, soak for 24 hours, and then filter with a 300-mesh filter , to obtain the initial extract;
[0049] 2), using a microporous filter membrane with a pore size of 0.8 μm to filter the initial extract in step 1), filter out mechanical particles, and obtain a plant extract;
[0050] 3) Reverse osmosis is used to purify the plant extract in step 2), and impurities such as water and anthocyanin are selectively removed to obtain a plant extract lubricant.
Embodiment 1-7
[0051] Embodiment 1-7: the preparation of pure natural water-soluble human body lubricant
[0052] The concrete preparation steps of pure natural water-soluble human body lubricant are as follows:
[0053] 1) Vacuumize the vacuum gel reaction kettle filled with sterilized deionized water, add the formula gelling agent and emulsifier in turn under continuous stirring, control the vacuum degree to 0.1MPa, and control the temperature to 60℃~80℃ , the rotating speed is 500r / min, stirring for 3h, so that the gelling agent and emulsifier are completely dissolved;
[0054] 2) Weigh the plant extract lubricating liquid, thickener, pure honey and conditioning agent into the vacuum gel reaction kettle in sequence, keep the vacuum state during the feeding process, reduce the speed to 300r / min, and control the temperature at 60 ℃ ~ 80 ℃ heat preservation reaction for 5 hours, fully stirred until completely mixed uniformly, the vacuum degree in the reaction kettle is controlled to 0.1MPa ...
Embodiment 8
[0060] Embodiment 8: irritation and lubricity test
[0061] Use the pure natural water-soluble human body lubricant prepared by the embodiments of the present invention 1-7 and the conventional human body lubricant to carry out comparative tests respectively, and detect the irritation of the catheter coated with lubricant to the body cavity mucosa and the penetration and penetration of the catheter. Traction force, irritation score and force size (unit N) are shown in Table 3 and Table 4:
[0062] Table 3: Irritation test results
[0063]
[0064] Table 4: Penetration and traction test results
[0065]
[0066] As can be seen from the results of Table 3 and Table 4, the irritation score, penetration force and traction force of the catheter coated with the pure natural water-soluble personal lubricant of the present invention are significantly lower than those of the control group. The irritation of the pure natural water-soluble human body lubricant of the present inve...
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