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INSTRUMENT D'EXTRACTION DENTAIRE
专利权人:
西尾秀俊;NISHIO;NISHIO, Hidetoshi; Hidetoshi
发明人:
NISHIO, Hidetoshi,西尾秀俊
申请号:
JPJP2017/005341
公开号:
WO2017/141908A1
申请日:
2017.02.14
申请国别(地区):
JP
年份:
2017
代理人:
摘要:
The objective of the present invention is to provide a tooth extraction instrument with which appropriate tooth extraction can be carried out without the risk of the teeth and gums being inadvertently damaged, with which tooth extraction can be carried out easily and reliably without the need for a large force, and with which all types of tooth extraction can be carried out using only one type of instrument. This tooth extraction instrument is provided with: a pair of arm members capable of pivoting relative to one another about a connecting portion which serves as a pivot point; gripping portions provided at the rear end sides of each of the pair of arm members; an auxiliary tool engaging portion provided in a distal end portion of one of the arm members; and a pressing portion provided in a distal end portion of the other arm member. The configuration is such that in a state in which the pressing portion is held against a supporting part in the vicinity of the tooth to be extracted, and an auxiliary tool that has been fixed in advance to the tooth to be extracted is engaged with the auxiliary tool engaging portion, by grasping the gripping portions with the hand and operating the same, the tooth to be extracted is withdrawn from the gum by means of the auxiliary tool.La présente invention concerne un instrument d'extraction dentaire grâce auquel une extraction dentaire appropriée peut être pratiquée sans que les dents ou les gencives ne risquent d'être endommagées par inadvertance, grâce auquel une extraction dentaire peut être pratiquée aisément et de manière sûre sans recourir à une force importante, et grâce auquel tous les types d'extraction dentaire peuvent être pratiqués au moyen d'un seul type d'instrument. Cet instrument d'extraction dentaire est équipé : d'une paire d'éléments bras aptes à pivoter l'un par rapport à l'autre autour d'une partie liaison qui sert de point de pivot; de parties de préhension présentes sur les côtés extrémité arrière de chaque
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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