Disposable micro-syringe
The invention relates to a disposal micro-syringe and is characterized in that the syringe is hermetically assembled by a hemispherical flexible container and a matched micro-needle cluster disc; conical micro-needles are distributed on the micro-needle cluster disc according to a rule, namely, the...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a disposal micro-syringe and is characterized in that the syringe is hermetically assembled by a hemispherical flexible container and a matched micro-needle cluster disc; conical micro-needles are distributed on the micro-needle cluster disc according to a rule, namely, the micro-needles are distributed in concentric circles, rectangular grids or rhombic-shaped grids, and the micro-needle is 220 microns to 250 microns in height and 30 microns to 45 microns in the hole diameter; an inclined needle point is arranged downwards 40 microns to 60 microns at the end of the micro-needle; additionally, the maximum density of the micro-needle is 9 needles/mm and the width between the centers of the micro-needles is not less than 500 microns. |
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