SYRINGE WITH A BIDIRECTIONAL PLUNGER ADVANCING MECHANISM FOR A MICRO-DOSING SYRINGE PUMP

Disclosed is a syringe for a micro-dosing syringe pump. The syringe includes a reservoir having an outlet port; a plunger having a track, with the plunger received inside a portion of the reservoir; a plunger driver comprising a gear connected to one end of a shaft and a pin located adjacent an oppo...

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Bibliographische Detailangaben
Hauptverfasser:	BEAUPRE, Andrew, ANDERSON, Nicholas
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	Disclosed is a syringe for a micro-dosing syringe pump. The syringe includes a reservoir having an outlet port; a plunger having a track, with the plunger received inside a portion of the reservoir; a plunger driver comprising a gear connected to one end of a shaft and a pin located adjacent an opposite end of the shaft, with the plunger driver received inside the plunger and with the pin located inside and engaging the track. In use, rotation of the gear in a first direction advances the plunger into the reservoir a first distance as the pin travels in the track and rotation of the gear in a second direction opposite the first direction advances the plunger a further distance into the reservoir as the pin travels in the track. The design prevents excess dosing in a runaway motor failure.