发明名称 |
CONSTANT TENSION ORTHODONTIC APPLIANCE |
摘要 |
Apparatus to aid in the orthodontic or orthopedic correction of dental-facial malformations. The apparatus includes a harness connected to an orthodontic or orthopedic appliance and applies a predetermined constant force in a prescribed direction. The force applied to the appliance is substantially constant regardless of the vertical and lateral movement of the head of the wearer relative to the harness or as the desired displacement of the dental-facial structures occur.
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申请公布号 |
US3686757(A) |
申请公布日期 |
1972.08.29 |
申请号 |
USD3686757 |
申请日期 |
1970.12.09 |
申请人 |
JACK C. MCVICKERS;EUGENE A. LEATHERMAN |
发明人 |
JACK C. MCVICKERS;EUGENE A. LEATHERMAN |
分类号 |
A61C7/06;(IPC1-7):A61C7/00 |
主分类号 |
A61C7/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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