Palm pad for child infusion
The utility model discloses a palm pad for children transfusion, which comprises a palm pad body, a palm fixing structure is arranged on the palm pad body, a base is arranged on the palm pad body, the base comprises an upper sleeve and a lower sleeve, the upper sleeve is fixed with the palm pad body...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a palm pad for children transfusion, which comprises a palm pad body, a palm fixing structure is arranged on the palm pad body, a base is arranged on the palm pad body, the base comprises an upper sleeve and a lower sleeve, the upper sleeve is fixed with the palm pad body, the lower end of the upper sleeve is inserted into the lower sleeve in an up-and-down sliding manner, and the palm pad body is provided with a palm fixing structure. A sealing cover is fixedly arranged at the bottom of the upper sleeve, a bowl-shaped suction cup is fixedly arranged at the bottom of the lower sleeve, a vent hole communicated with the bottom of the upper sleeve is formed in the middle of the bowl-shaped suction cup in a penetrating mode, and when the upper sleeve slides downwards relative to the lower sleeve to the lower dead center of the sliding limiting structure, the sealing cover abuts against the vent hole of the bowl-shaped suction cup. Air-tight seal is formed in the bowl-shaped sucking dis |
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