Claims
- 1. A twin edgewise orthodontic bracket for attaching an archwire to a tooth comprising:
- a bracket member including a base for attachment to the tooth, said base having an occlusal-gingivally extending opening, at least two sets of spaced apart occlusal and gingival tie wings extending from said base, each set of tie wings having a labial face which has a centrally disposed mesiodistally extending archwire slot segment, the segments of the tie wing sets combining to define an archwire slot of the bracket member for receiving the archwire, and said tie wings having a locking recess in the labial faces; and
- a slidable locking shutter movable between open and closed positions having a guide bar slidably received in said occlusal-gingival opening, a locking body for engaging said locking recess without covering the labial or lingual faces of the sets of occlusal and gingival tie wings when in closed position, and an extension arm connecting said guide bar to said locking body and movable between said sets of tie wings, wherein said locking shutter is slidably mounted on said bracket between open and closed positions, said locking body having means adapted to align with the sets of tie wings to close the archwire slot by engaging said locking recess,
- whereby the locking shutter allows placement and removal of the archwire when in the open position and prevents the displacement of the archwire from the bracket member when in the closed position.
- 2. The edgewise orthodontic bracket defined in claim 1, wherein said locking recess consists of opposing notches in said occlusal and gingival tie wings, each said notch having an upstanding portion and a shoulder portion.
- 3. The edgewise orthodontic bracket defined in claim 1, wherein the bracket member includes diagonal angulation and diagonal torque.
- 4. An edgewise orthodontic bracket for attaching an archwire to a tooth comprising:
- a bracket member including a base for attachment to the tooth, said base having an occlusal-gingivally extending opening, at least two sets of spaced apart occlusal and gingival tie wings extending from said base, each set of tie wings having a labial face which has a centrally disposed mesiodistally extending archwire slot segment, the segments of the tie wing sets combining to define an archwire slot of the bracket member for receiving the archwire, and said tie wings having a locking recess in the labial faces, said locking recess consisting of opposing notches, each said notch having an upstanding portion and a shoulder portion, said shoulder portions being in a common plane and
- a slidable locking shutter having a guide bar slidably received in said occlusal-gingival opening, a locking body for engaging said locking recess, and an extension arm connecting said guide bar to said locking body and movable between said sets of tie wings, wherein said locking shutter is slidably mounted on said bracket between open and closed positions, said locking body having means adapted to align with the sets of tie wings to close the archwire slot by engaging said locking recess,
- whereby the locking shutter allows placement and removal of the archwire when in the open position and prevents the displacement of the archwire from the bracket member when in the closed position.
- 5. The edgewise orthodontic bracket defined in claim 4, wherein said upstanding portion of each gingival tie wing is perpendicular to said shoulder portion of each gingival tie wing and said upstanding portion of each occlusal tie wing forms an obtuse angle with each shoulder portion of each occlusal tie wing.
- 6. The edgewise orthodontic bracket defined in claim 4, wherein said upstanding portions on both gingival and occlusal tie wings are not perpendicular to said common plane of said shoulder portions.
- 7. The edgewise orthodontic bracket defined in claim 6, wherein said upstanding portion on each occlusal tie wing is part of a lift ramp for enhancing locking body movement between open and closed positions and the upstanding portion of each gingival tie wing prevents the locking body from moving gingivally and labially.
- 8. The edgewise orthodontic bracket defined in claim 7, wherein said lift ramps and said upstanding portions are positioned at approximately a twenty degree angle from said common plane of said shoulder portions.
- 9. The edgewise orthodontic bracket defined in claim 4, wherein said means further includes a latching lip and a stopping lip which extend lingually from said means and which are adapted to be received in said locking recess when said locking shutter is in a closed position.
- 10. An edgewise orthodontic bracket for attaching an archwire to a tooth comprising:
- a bracket member including a base for attachment to the tooth, said base having an occlusal-gingivally extending opening, at least two sets of spaced apart occlusal and gingival tie wings extending from said base, each set of tie wings having a labial face which has a centrally disposed mesiodistally extending archwire slot segment, the segments of the tie wing sets combining to define an archwire slot of the bracket member for receiving the archwire, and said tie wings having a locking recess in the labial face; and
- a slidable locking shutter having a guide bar slidably received in said occlusal-gingival opening, a locking body for engaging said locking recess, and an extension arm connecting said guide bar to said locking body and movable between said sets of tie wings, wherein said locking shutter is slidably mounted on said bracket between open and closed positions, said locking body having means adapted to align with the sets of tie wings to close the archwire slot by engaging said locking recess, and wherein the locking body includes a rotation wedge which extends lingually between the sets of tie wings to engage the archwire,
- whereby the locking shutter allows placement and removal of the archwire when in the open position and prevents the displacement of the archwire from the bracket member when in the closed position.
- 11. An edgewise orthodontic bracket for attaching an archwire to a tooth comprising:
- a bracket member including a base for attachment to the tooth, said base having an occlusal-gingivally extending opening, at least two sets of spaced apart occlusal and gingival tie wings extending from said base, each set of tie wings having a labial face which has a centrally disposed mesiodistally extending archwire slot segment, the segments of the tie wing sets combining to define an archwire slot of the bracket member for receiving the archwire, and said tie wings having a locking recess in the labial face; and
- a slidable locking shutter having a guide bar slidably received in said occlusal-gingival opening, a locking body for engaging said locking recess, and an extension arm connecting said guide bar to said locking body and movable between said sets of tie wings, wherein said locking shutter is slidably mounted on said bracket between open and closed positions, said locking body having means adapted to align with the sets of tie wings to close the archwire slot by engaging said locking recess, and wherein the extension arm defines a mesial-distally extending groove in its occlusal surface for receiving a strand member,
- whereby the locking shutter allows placement and removal of the archwire when in the open position and prevents the displacement of the archwire from the bracket member when in the closed position.
- 12. An edgewise orthodontic bracket for attaching an archwire to a tooth comprising:
- a bracket member including a base adapted for attachment to the tooth, said base having an occlusal-gingivally extending opening, at least two sets of spaced apart gingival and occlusal tie wings extending from said base, each set of tie wings having a labial face which has a centrally disposed mesiodistally extending archwire slot segment, the segments of the tie wing sets combining to define an archwire slot of the bracket for receiving an archwire, and a locking recess in the labial face of said tie wings;
- and a locking means slidably carried by the bracket member between open and closed positions for selectively locking an archwire in said archwire slot, said locking means including a guide means coacting with the occlusal-gingivally opening of the bracket member for guiding the movement of said locking means, an archwire engaging means connected to said guide means for coacting with each locking recess to selectively lock the archwire in the archwire slot without covering the labial or lingual faces of the sets of gingival and occlusal tie wings when in closed position, and said locking means being slidable between open and closed positions,
- whereby said locking means in the open position allows placement and removal of the archwire and in the closed position prevents the displacement of the archwire from the bracket member.
- 13. The orthodontic bracket defined in claim 12, wherein the archwire engaging means includes at least one locking tab extending into said locking recess when said locking means is in the closed position.
- 14. An twin orthodontic bracket for attaching an archwire to a tooth, said bracket comprising a base adapted to be secured to a tooth, two parallel spaced apart sets of tie wings extending from the base, each set including an occlusal and a gingival tie wing having labial surfaces and defining occlusal and gingival undercuts, an occlusal-gingival extending opening in said base, a mesiodistally extending and labially opening archwire slot in said tie wing sets, and means for retaining an archwire in the archwire slot movable between open and closed positions, said retaining means including a guide bar slidably received in said opening, tab means for selectively closing the labial opening of the archwire slot in both said tie wing sets, connecting means between the bar and tab means and means on the labial surfaces of said tie wings for lingually recessing the tab means on the tie wings when the retaining means is in closed position and for coacting with the tab means such as to prevent removal of said retaining means from the base and tie wings when the retaining means is in open position, and means on the tab means coacting with the archwire when the retaining means is in closed position to maintain the retaining means in closed position.
- 15. The twin orthodontic bracket as defined in claim 14, wherein said tab means includes tab means respectively aligned with the spaced apart tie wing sets.
- 16. The twin orthodontic bracket as defined in claim 15, wherein said tab means includes a lip adapted to overlie the archwire.
- 17. The twin orthodontic bracket as defined in claim 16, wherein said means on the labial surfaces of said tie wings includes notches on the labial surfaces of said occlusal and gingival tie wings adjacent to said slot.
- 18. The twin orthodontic bracket as defined in claim 17, wherein said notches extend mesiodistally.
- 19. The twin orthodontic bracket as defined in claim 14, wherein the connecting means is shaped to have an open occlusal undercut.
- 20. An edgewise orthodontic bracket for attaching an archwire to a tooth comprising:
- a bracket member including a base for attachment to the tooth, said base having an occlusal-gingivally extending opening, at least two sets of spaced apart occlusal and gingival tie wings extending from said base, said tie wings having a labial face which has a centrally disposed mesiodistally extending archwire slot segment, the segments of the tie wing sets combining to define an archwire slot of the bracket member for receiving the archwire, and one of the occlusal or gingival tie wings of each set having a locking recess in the labial face, the other of the occlusal or gingival tie wings having a retainer member slot; and
- a slidable locking shutter coacting with the bracket member to selectively open and close the archwire slot for placing and locking an archwire in the slot and unlocking and removing the archwire from the slot, said shutter including a guide bar slidably received in said occlusal-gingival opening, a locking body for engaging said locking recess and said retainer member slots, and an extension arm connecting said guide bar to said locking body and movable between said sets of tie wings, wherein said locking shutter is slidably mounted on said bracket between open and closed positions, said locking body having latching wings adapted to align with and engage the locking recess of the tie wings for latching the shutter in closed position to close the archwire slot and means for closing the archwire slot and engaging in said retainer member slots,
- whereby the locking shutter allows placement and removal of the archwire when in the open position and prevents the displacement of the archwire from the bracket member when in the closed position.
- 21. The edgewise orthodontic bracket defined in claim 20, wherein said locking recess consists of a notch in said labial face of said tie wing, each said notch having an upstanding portion, a shoulder portion, and a sloping cam portion.
- 22. The edgewise orthodontic bracket defined in claim 21, wherein said upstanding portion of said tie wing forms an obtuse angle with said shoulder portion of said tie wing.
- 23. The edgewise orthodontic bracket defined in claim 20, wherein each said retainer member slot includes a lingual wall in spaced apart relation to a labial wall and said labial and lingual walls being connected by a base wall.
- 24. The edgewise orthodontic bracket defined in claim 23, wherein each said lingual wall is parallel to each labial wall and the base wall forms right angles with said labial and lingual walls.
- 25. The edgewise orthodontic bracket defined in claim 20, wherein each said retainer member slot includes converging lingual and labial walls.
- 26. The edgewise orthodontic bracket defined in claim 20, wherein a connecting bar is provided between the occlusal or gingival tie wings having the retainer member slot.
- 27. The edgewise orthodontic bracket defined in claim 26, wherein said retainer member slot is V-shaped.
- 28. The bracket of claim 27, wherein the tie wings include undercuts capable of receiving ligatures or elastic power chain.
- 29. An edgewise orthodontic bracket for attaching an archwire to a tooth comprising:
- a bracket member including a base for attachment to the tooth, said base having an occlusal-gingivally extending opening, at least two sets of spaced apart occlusal and gingival tie wings extending from said base, each set of tie wings having a labial face which has a centrally disposed mesiodistally extending archwire slot segment, the segments of the tie wing sets combining to define an archwire slot of the bracket member for receiving the archwire, and one of the occlusal or gingival tie wings of each set having a notch in the labial face, the other of the occlusal or gingival tie wings having a deflection recess slot, wherein said deflection recess slots are rectangularly shaped; and
- a slidable locking shutter coacting with the bracket member to selectively open and close the archwire slot for placing and locking an archwire in the slot and unlocking and removing the archwire from the slot, said shutter including a guide bar slidably received in said occlusal-gingival opening, a locking body for engaging said notches and said deflection recess slots, and an extension arm connecting said guide bar to said locking body and movable between said sets of tie wings, wherein said locking shutter is slidably mounted on said bracket between open and closed positions, said locking body having latching wings adapted to align with and engage the notches of the tie wings for latching the shutter in closed position to close the archwire slot and tab means for closing the archwire slot and engaging in said deflection recess slots,
- whereby the locking shutter allows placement and removal of the archwire when in the open position and prevents the displacement of the archwire from the bracket member when in the closed position.
- 30. An edgewise orthodontic bracket for attaching an archwire to a tooth comprising:
- a bracket member including a base for attachment to the tooth, said base having an occlusal-gingivally extending opening, at least two sets of spaced apart occlusal and gingival tie wings extending from said base, each set of tie wings having a labial face which has a centrally disposed mesiodistally extending archwire slot segment, the segments of the tie wing sets combining to define an archwire slot of the bracket member for receiving the archwire, and one of the occlusal or gingival tie wings of each set having a notch in the labial face, the other of the occlusal or gingival tie wings having a retainer member slot, wherein said retainer member slots are triangularly shaped; and
- a slidable locking shutter coacting with the bracket member to selectively open and close the archwire slot for placing and locking an archwire in the slot and unlocking and removing the archwire from the slot, said shutter including a guide bar slidably received in said occlusal-gingival opening, a locking body for engaging said notches and said retainer member slots, and an extension arm connecting said guide bar to said locking body and movable between said sets of tie wings, wherein said locking shutter is slidably mounted on said bracket between open and closed positions, said locking body having latching wings adapted to align with and engage the notches of the tie wings for latching the shutter in closed position to close the archwire slot and tab means for closing the archwire slot and engaging in said retainer member slots,
- whereby the locking shutter allows placement and removal of the archwire when in the open position and prevents the displacement of the archwire from the bracket member when in the closed position.
- 31. An edgewise orthodontic bracket for attaching an archwire to a tooth comprising:
- a bracket member including a base adapted for attachment to the tooth, said base having an occlusal-gingivally extending opening, at least two sets of spaced apart gingival and occlusal tie wings extending from said base, each set of tie wings having a labial face which has a centrally disposed mesiodistally extending archwire slot segment, the segments of the tie wing sets combining to define an archwire slot of the bracket member for receiving an archwire, one of said gingival or occlusal tie wings of the sets having a deflection recess notch in the labial face of each tie wing, and the other of the occlusal or gingival tie wings of the sets having a retainer member slot;
- and locking means slidably carried by the bracket member between open and closed positions for selectively locking an archwire in said archwire slot, said locking means including a guide means coacting with the occlusal gingival opening of the bracket member for guiding the sliding movement of said locking means, and an archwire engaging means connected to said guide means for coacting with said deflection recess notches and said retainer member slots of the tie wings to selectively lock the archwire in the archwire slot without covering the labial faces of the sets of occlusal and gingival tie wings when said locking means is in closed position,
- whereby said locking means in the open position allows placement and removal of the archwire and in the closed position prevents the displacement of the archwire from the bracket member.
- 32. An edgewise orthodontic bracket for attaching an archwire to a tooth comprising:
- a bracket body having an archwire slot and an archwire slot closure movable between open and closed positions for selectively locking an archwire in said archwire slot,
- said bracket body including a base adapted for attachment to the tooth, an occlusogingival extending opening in the base, a pair of tie wing sets extending labially from the base, each set having a gingival and an occlusal tie wing, said archwire slot being disposed in the tie wings and extending mesiodistally and opening labially, one of the gingival or occlusal tie wings of each set having a deflection recess notch, and the other of said gingival or occlusal tie wings of each set having a closure recess slot,
- and said archwire slot closure including a generally U-shaped body having a guide portion slidably received in said opening, archwire slot closing tab means for covering the archwire slot at each set of tie wings when the closure is in closed position and means interconnecting the tab means to said guide portion, said tab means coacting with said closure recess slots when the closure is in closed position, and latching wings extending from said tab means for coacting with said tie wing deflection recess notches to latch the closure in closed position, and said latching wings and tab means formed to coact with means on the labial faces of said tie wings having the deflection recess notches to retain the closure on the bracket body when in open position.
- 33. An edgewise orthodontic bracket for attaching an archwire to a tooth comprising:
- a bracket member including a base adapted for attachment to the tooth, said base having an occlusal-gingivally extending opening, at least two sets of spaced apart gingival and occlusal tie wings extending from said base, a connecting bar between one of the occlusal or gingival tie wings, said tie wings and connecting bar having a labial face which has a centrally disposed mesiodistally extending archwire slot for receiving an archwire, one of the gingival or occlusal tie wings of each set having a deflection recess notch in the labial face of each tie wing, and the other of the gingival or occlusal tie wings of each set having a retainer member slot or groove,
- and locking means slidably carried by the bracket member for selectively locking an archwire in said archwire slot, said locking means including a guide means coacting with the occlusal gingival opening of the bracket member for guiding the sliding movement of said locking means, an archwire engaging means connected to said guide means for coacting with said deflection recess notches and said retainer member slots of the tie wings to selectively lock the archwire in the archwire slot, and said locking means being slidable between open and closed positions,
- whereby said locking means in the open position allows placement and removal of the archwire and in the closed position prevents the displacement of the archwire from the bracket member.
- 34. The bracket of claim 33, wherein the connecting bar is between the gingival tie wings.
- 35. An edgewise orthodontic bracket for attaching an archwire to a tooth comprising:
- a bracket member and a semi-rigid shutter member for ligating an archwire to the bracket member,
- said bracket member including a base for attachment to a tooth, said base having an occlusal-gingivally extending opening, two sets of spaced apart gingival and occlusal tie wings extending from the base and having undercuts for receiving auxiliaries or ligatures, a labially opening and mesial-distally extending archwire slot for receiving an archwire in said tie wings, a recess in the labial faces of said occlusal tie wings defining a shoulder or ramp, said archwire slot having opposed gingival and occlusal walls and a mesial-distally extending groove formed in the gingival walls of the gingival tie wings, said groove defined by a labial outwardly and downwardly extending wall and a lingual inwardly and downwardly extending wall,
- said shutter being slidably carried on said bracket member between open and closed positions for selectively locking an archwire in said archwire slot, said shutter having a guide arm slidably received in said opening, a closure panel sized to close the archwire slot, means connecting the closure panel to said guide arm, and locking tabs receivable in said recesses of said occlusal tie wings when the shutter is in closed position fitting substantially flush with the labial surface of the tie wings, said closure panel having a terminal edge receivable in said groove when the shutter is in closed position and the closure panel is forced labially by the archwire,
- whereby push-out of said archwire causes the closure panel to cam against the labial wall of said groove to force said closure panel downwardly and said locking tabs inwardly and downwardly against said ramps thereby preventing slidable movement of said shutter and escape of said archwire.
- 36. The bracket of claim 35, wherein the occlusal tie wings include a stop against which the terminal edge of the shutter closure panel rests when the shutter is in open position to prevent the shutter from entering the archwire slot area during placement of an archwire.
- 37. The bracket of claim 36, wherein a stop is provided on the free end of the guide arm to prevent the shutter from disengaging the bracket member during opening of the shutter.
- 38. The bracket of claim 37, wherein said base opening is flared at the gingival and occlusal ends to permit rocking of the shutter during the opening and closing of the shutter.
- 39. The bracket of claim 35, wherein the connecting bar between the guide arm and the closure panel extends substantially labial-lingually along a rectilinear path.
- 40. The bracket of claim 35, wherein the connecting bar between the guide arm and the closure panel is in the form of an occlusal loop that follows the contour of the occlusal tie wings.
- 41. The bracket of claim 35, wherein the interwing connecting bar includes a labial face that is inset from the labial surfaces of the gingival tie wings to accommodate the use of auxiliaries.
- 42. The bracket of claim 35, which further comprises an interwing connecting bar extending between one of the gingival or occlusal wings of said sets of wings.
- 43. The bracket of claim 42, wherein said interwing connecting bar extends between said gingival wings.
- 44. The bracket of claim 35, wherein said groove is V-shaped.
DESCRIPTION
This application is a continuation-in-part application of my application Ser. No. 08/096,948, filed Jul. 23, 1993, now abandoned, which is a continuation-in-part application of my application Ser. No. 08/063,165, filed May 14, 1993, now abandoned, which is a continuation-in-part of my application Ser. No. 08/007,095, filed Jan. 21, 1993, now abandoned.
US Referenced Citations (24)
Continuation in Parts (3)
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Number |
Date |
Country |
Parent |
96948 |
Jul 1993 |
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Parent |
63165 |
May 1993 |
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Parent |
07095 |
Jan 1993 |
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