Patent US5066224A successfully refreshed from Google Patents.
← Back to Patent Explorer
US5066224A Expired / Lapsed US ⏱️ 0.0 years remaining

Orthodontic anchor

Assignee: HOFFMAN Inc
•
Filing: 1991-02-25
•
Granted: 1991-11-19
•
Expires: 2011-02-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract An orthodontic anchor system 20 for treatment of growth disharmony and malalignment of teeth in which one element is surgically placed in a subperiosteal tunnel on the skeletal bone, allowing biointegration between the onplant bone interface 30 and the bone, after which a palatal bar 24 is attached to the orthodontic anchor system 20, and the palatal bar 24 is also attached to bands 25 around two teeth, holding them non-mobile, permitting the orthodontist to treat the malalignment of the teeth.

Inventors

  • 👤 Michael S. Block
  • 👤 David R. Hoffman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 05:42
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0018; A61C8/0031; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/60; A61B17/66; A61B17/663; A61B17/68; A61C7/00; A61C13/00; A61C13/225; A61C13/235; A61C8/0081; A61C8/0093; A61C8/0096; A61F; A61F2/00; A61F2/0077

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 113 words
An orthodontic anchor system to cure malalignment of teeth which comprises in combination: a. an onplant which is surgically placed in the subperiosteal tunnel of a patient; b. said onplant having a onplant bone interface surface which is placed against the skeletal bone to permit biointegration; c. an orthodontic abutment which is attached to said onplant after biointegration has occurred between the onplant and the skeletal bone; d. an orthodontic device attached to two bands which are placed around two teeth and adapted to be attached to said onplant; whereby said orthodontic anchor system hold said teeth stable and non-mobile, permitting the orthodontist to treat the malalignment of the teeth of the patient.
Claim 2
Dependent Claim 113 words
An orthodontic anchor system to cure malalignment of teeth which comprises in combination: a. an onplant which is surgically placed in the subperiosteal tunnel of a patient; b. said onplant having a onplant bone interface surface which is placed against the skeletal bone to permit biointegration; c. an orthodontic abutment which is attached to said onplant after biointegration has occurred between the onplant and the skeletal bone; d. an orthodontic device attached to two bands which are placed around two teeth and adapted to be attached to said onplant; whereby said orthodontic anchor system hold said teeth stable and non-mobile, permitting the orthodontist to treat the malalignment of the teeth of the patient.
Claim 3
Dependent Claim 13 words
The combination of claim 1 wherein the orthodontic device is a palatal bar.
Claim 4
Dependent Claim 29 words
The combination of claim 1 wherein said abutment is secured to the onplant after biointegration has occurred and said orthodontic device is a palatal wire attached to the abutment.
Claim 5
Dependent Claim 29 words
The combination of claim 3 wherein the abutment has a neck of reduced diameter between its upper surface and a head and the palatal wire fits against the neck.

References Cited (Backward Citations)

US4024638A Cited
FR2425842A1 Cited
US4571178A Cited
US4592725A Cited
US4988292A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-11-18 1995-05-20 1995-11-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-11-18 1999-05-20 1999-11-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-11-18 2003-05-20 2003-11-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag