Handheld drug delivery device for anorectal department
Disclosed is a handheld drug delivery device for an anorectal department. The device comprises a drug storage cylinder and a push-pull rod, a piston plate is fixedly installed at the top of the push-pull rod and can slide in an airtight reciprocating mode along the inner side wall of the drug storag...
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Format: | Patent |
Sprache: | chi ; eng |
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