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PIECE A MAIN DENTAIRE A ULTRASONS A COUPLAGE ROTATIF
专利权人:
DENTSPLY SIRONA INC.
发明人:
GUARAGNO, KENNETH R.
申请号:
CA3040690
公开号:
CA3040690A1
申请日:
2017.10.17
申请国别(地区):
CA
年份:
2018
代理人:
摘要:
An ultrasonic dental handpiece system with rotary coupling comprising a dental handpiece and a dental handpiece tip wherein the system incorporates a swivel mechanism and dynamic fluid interface for the dental handpiece and dental handpiece tip to rotate freely relative to the dental handpiece cable thereby decoupling the handpiece from a torsion load applied to it by the handpiece cable and internal tubing and wires. The ultrasonic dental handpiece with rotary coupling generally includes a handpiece to which a piezo assembly and secondary coil are housed and a cable assembly including a primary coil and handpiece cable wherein the handpiece cable provides a supply of electrical energy and cooling lavage. The primary and secondary coils form a transformer wherein the secondary coil is inductively coupled to the primary coil with the secondary coil in electrical communication with the piezo assembly. A method of using a handpiece is also disclosed.
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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