Electrical syringe for dental anesthetic

An electric syringe according to the invention injects a dental anesthetic by pressing a rubber plug (501) of a cartridge (500) filled with an anesthetic. The electric syringe includes: a push member (21) configured to press and move the rubber plug (501) of the cartridge (500); a drive motor (12) c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TAKATSUKA, MINORU, KONNO, KAZUSHI, NAGASHIMA, TOMIO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE DENTISTRY 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:	An electric syringe according to the invention injects a dental anesthetic by pressing a rubber plug (501) of a cartridge (500) filled with an anesthetic. The electric syringe includes: a push member (21) configured to press and move the rubber plug (501) of the cartridge (500); a drive motor (12) configured to generate a drive force; a transmission mechanism part configured to transmit the drive force to the push member (21); and a control unit configured to control a moving of the push member (21) by controlling the drive motor (12), wherein the control unit controls the drive motor (12) to move the push member (21) to gradually increase an injection speed of the anesthetic in the beginning of the injection and to move the push member (21) to inject the anesthetic in a constant injection speed after a predetermined time has e