Orthodontic bracket with spring cover
US5967773A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1998 |
| Grant date | Oct 19, 1999 |
| Priority date | — |
| Expiry date | Dec 22, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C7/30
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A low-profile orthodontic assembly comprising a bracket having a base surface and a top surface, the base surface for mounting to a tooth; at least two pairs of spaced-apart wings, the pairs in mutual faced-apart arrangement, extending upward from the bracket, each wing terminated by a distal end spaced-above the top surface; the distal ends of each the pair of wings joined together by a cross-member to form a passageway thereunder, above the bracket top surface and between the pair of wings; each the pair of wings positioned on opposite sides of a slot formed in the bracket to receive therein an archwire passing along the bracket; and, a cap for assembly with the bracket to cover a portion of the slot including a pair of springy, flexible tongues extending from opposite ends thereof for insertion down into the passageways to spring upward against the cross-members and retain the cap over the archwire with minimal contact therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.