US4595361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic force orthodontic kit and appliances constructed therefrom
Assignee: Medical Magnetics Inc
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Filing: 1985-01-22
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Granted: 1986-06-17
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Expires: 2005-01-22
Abstract
Abstract A kit is provided containing magnetic modules, attachment wire and a set of gages. The modules are rectangular prismatic formed from a cobalt-samarium alloy, covered with a chlorinated poly-p-xylene coating or stainless steel and jacketed in stainless steel with orthogonally related passages on opposite sides having rectangular cross-sections for receiving with a snug fit the rectangular cross-section attachment wire formed by welding together two lengths of standard edgewise wire. The gages provide means for spacing the modules when the latter are incorporated in an appliance. Appliances are illustrated for accomplishing a variety of orthodontic procedures. The construction of the modules and attachment wire permits construction of appliances where the modules are constrained in the jaw closed in centric condition to translate parallel to their respective pole faces in a "sliding" fashion.
Inventors
- 👤 Abraham Blechman
- 👤 Eugene A. Pescatore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:11
CPC Classifications
A; A61; A61C; A61C7/00; A61C7/02; A61C7/006; A61C7/12; A61C7/28; A61C7/282; A61C7/36
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
66 words
A universal kit for construction of magnetic force orthodontic appliances comprising in combination a plurality of modules each comprising a body of permanently magnetized material and means defining at least two orthogonally related through passages of non-circular cross-section, and a supply of attachment wire having a cross-section that permits threading said wire through either of said passages while precluding rotation of said module about said wire.
Claim 2
Dependent Claim
66 words
A universal kit for construction of magnetic force orthodontic appliances comprising in combination a plurality of modules each comprising a body of permanently magnetized material and means defining at least two orthogonally related through passages of non-circular cross-section, and a supply of attachment wire having a cross-section that permits threading said wire through either of said passages while precluding rotation of said module about said wire.
Claim 3
Dependent Claim
23 words
A universal kit according to claim 1, characterized in that said attachment wire consists of two lengths of edgewise wire bonded together side-by-side.
Claim 4
Dependent Claim
28 words
A universal kit according to claim 2, characterized in that said two lengths of edgewise wire are welded together in edge-to-edge relationship with the narrower sides in contact.
Claim 5
Dependent Claim
25 words
A universal kit according to claim 3, characterized in that the cross-sectional dimensions of each length of said attachment wire are about 0.022" by 0.056".
Claim 6
Dependent Claim
24 words
A universal kit according to claim 4, characterized in that each of said through passages has a rectangular cross-section of about 0.022" by 0.056".
Claim 7
Dependent Claim
56 words
A universal kit according to claim 5, characterized in that one of said two passages is disposed on one side of said module with its longitudinal axis oriented parallel to the axis of polarization of said body of magnetized material, and the other of said two passages is disposed on the opposite side of said module.
Claim 8
Dependent Claim
44 words
A universal kit according to claim 6, characterized in that said kit further comprises a set of gages for use in spacing said modules during installation within the oral cavity of a subject to develop a selected force consistent with a desired orthodontic procedure.
Claim 9
Dependent Claim
56 words
A universal kit according to claim 1, characterized in that one of said two passages is disposed on one side of said module with its longitudinal axis oriented parallel to the axis of polarization of said body of magnetized material, and the other of said two passages is disposed on the opposite side of said module.
Claim 10
Dependent Claim
44 words
A universal kit according to claim 8, characterized in that said kit further comprises a set of gages for use in spacing said modules during installation within the oral cavity of a subject to develop a selected force consistent with a desired orthodontic procedure.
Claim 11
Dependent Claim
44 words
A universal kit according to claim 1, characterized in that said kit further comprises a set of gages for use in spacing said modules during installation within the oral cavity of a subject to develop a selected force consistent with a desired orthodontic procedure.
Claim 12
Dependent Claim
71 words
A universal kit according to claim 1, characterized in that each said module comprises a parallelepiped shaped body of a magnetized material having an axis of magnetic polarization that extends between and normal to two opposing faces of said body, said body having bio-compatible surfaces, and a sleeve of bio-compatible stainless steel jacketing said body coaxially with said axis of magnetic polarization, said sleeve including said means defining said through passages.
Claim 13
Dependent Claim
41 words
A universal kit according to claim 11, characterized in that said means defining said through passages comprises for each passage a portion of said sleeve that has been displaced by stamping from the principal plane of a wall of said sleeve.
Claim 14
Dependent Claim
23 words
A universal kit according to claim 12, characterized in that said attachment wire consists of two lengths of edgewise wire bonded together side-by-side.
Claim 15
Dependent Claim
28 words
A universal kit according to claim 13, characterized in that said two lengths of edgewise wire are welded together in edge-to-edge relationship with the narrower sides in contact.
Claim 16
Dependent Claim
25 words
A universal kit according to claim 14, characterized in that the cross-sectional dimensions of each length of said attachment wire are about 0.022" by 0.056".
Claim 17
Dependent Claim
24 words
A universal kit according to claim 15, characterized in that each of said through passages has a rectangular cross-section of about 0.022" by 0.056".
Claim 18
Dependent Claim
56 words
A universal kit according to claim 16, characterized in that one of said two passages is disposed on one side of said module with its longitudinal axis oriented parallel to the axis of polarization of said body of magnetized material, and the other of said two passages is disposed on the opposite side of said module.
Claim 19
Dependent Claim
44 words
A universal kit according to claim 17, characterized in that said kit further comprises a set of gages for use in spacing said modules during installation within the oral cavity of a subject to develop a selected force consistent with a desired orthodontic procedure.
Claim 20
Dependent Claim
44 words
A universal kit according to claim 12, characterized in that said kit further comprises a set of gages for use in spacing said modules during installation within the oral cavity of a subject to develop a selected force consistent with a desired orthodontic procedure.
Claim 21
Dependent Claim
61 words
A module for use in construction of magnetic force orthodontic appliances in which the module is threaded on an attachment wire having a non-circular cross-section, said module comprising a body of permanently magnetized material and means defining at least two orthogonally related through passages of non-circular cross-section for receiving said attachment wire while precluding rotation of said module about said wire.
Claim 22
Dependent Claim
61 words
A module for use in construction of magnetic force orthodontic appliances in which the module is threaded on an attachment wire having a non-circular cross-section, said module comprising a body of permanently magnetized material and means defining at least two orthogonally related through passages of non-circular cross-section for receiving said attachment wire while precluding rotation of said module about said wire.
Claim 23
Dependent Claim
53 words
A module according to claim 20, characterized in that one of said two passages is oriented with its longitudinal axis parallel to the axis of polarization of said body of magnetized material on one side of said module, and the other of said two passages is on the other side of said module.
Claim 24
Dependent Claim
81 words
A module according to claim 21, characterized in that said module comprises a parallelepiped shaped body of a cobalt-rare earth magnetized material having said axis of magnetic polarization extending between and normal to two opposing faces of said body, said body being covered on all surfaces with a coating layer of a bio-compatible material, and a sleeve of bio-compatible stainless steel jacketing said coated body coaxially with said axis of magnetic polarization, said sleeve including said means defining said through passages.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-06-16 | 1989-12-16 | 1990-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-16 | 1993-12-16 | 1994-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-16 | 1997-12-16 | 1998-06-17 | $7700.00 | Window Closed / Lapsed |