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US 5,630,715 AGranted
Orthodontic bracket with an engagement mechanism for retaining an archwire
OwnerJohn C. Voudourisinventor
Life of this patent
Estimating the term…
Abstract
A twin edgewise orthodontic bracket having an engagement mechanism for retaining an archwire, comprising a base having a pair of tie wing sets with an archwire slot and a slidable locking shutter or clip which in closed position retains the archwire in the archwire slot without the need for an elastic ligature and in open position allows placement and removal of the archwire.
Claims44
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.
1 more element
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.
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.
1 more element
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.
1 more element
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.
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.
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.
1 more element
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.
1 more element
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.
1 more element
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.
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.
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.
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.
1 more element
Dependencies are inferred from the claim text.