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US5611689A Expired / Lapsed US ⏱️ 0.0 years remaining

Positioning device for connecting a prosthesis to a body implant

Assignee: Individual
•
Filing: 1995-03-20
•
Granted: 1997-03-18
•
Expires: 2015-03-20
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Abstract

Abstract A magnet arrangement is provided having mutually opposing, cylindrical magnets for securing a prosthesis, one magnet being implanted or fastened to an implant and the opposing magnet being fitted in a prosthesis, in particular a dental prosthesis, wherein the bearing surface of the one magnet is of convex configuration and the bearing surface of the opposing magnet is of concave configuration corresponding to the radius of curvature of the convex bearing surface of the other magnet.

Inventors

  • 👤 Hartmut Stemmann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:35
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0089; A61C8/0081; Y; Y10; Y10T; Y10T24/00; Y10T24/32

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 108 words
A positioning element for positioning a prosthesis relative to an implant for a human body, the positioning element having a sleeve-shaped portion forming first and second compartments aligned along an axis for receiving respective connector portions of a prosthesis and an implant, said compartments being separated by a partition wall and opening in opposite axial directions, said partition wall being recessed in its entirety with respect to open ends of both of said compartments, said positioning element further including a flange structure extending outwardly from said sleeve-shaped portion in a direction oriented transversely relative to said axis, wherein said positioning element is formed of a soft silicone material.
Claim 2
Dependent Claim 108 words
A positioning element for positioning a prosthesis relative to an implant for a human body, the positioning element having a sleeve-shaped portion forming first and second compartments aligned along an axis for receiving respective connector portions of a prosthesis and an implant, said compartments being separated by a partition wall and opening in opposite axial directions, said partition wall being recessed in its entirety with respect to open ends of both of said compartments, said positioning element further including a flange structure extending outwardly from said sleeve-shaped portion in a direction oriented transversely relative to said axis, wherein said positioning element is formed of a soft silicone material.
Claim 3
Dependent Claim 21 words
The positioning element according to claim 1, wherein said flange structure extends from an open end of one of said compartments.
Claim 4
Dependent Claim 18 words
The positioning according to claim 2, wherein said flange is an annular flange extending annularly about said axis.
Claim 5
Dependent Claim 21 words
The positioning according to claim 3, wherein said sleeve-shaped portion, said partition wall, and said annular flange are of one-piece structure.
Claim 6
Dependent Claim 21 words
The positioning element article according to claim 1, wherein said flange structure is an annular flange extending annularly about said axis.
Claim 7
Dependent Claim 22 words
The positioning element according to claim 1, wherein said sleeve-shaped portion, said partition wall, and said flange structure are of one-piece structure.
Claim 8
Dependent Claim 17 words
The positioning element according to claim 1, wherein each of said compartments includes a non-magnetic side wall.
Claim 9
Dependent Claim 17 words
The positioning element according to claim 1, wherein each of said compartments includes a non-magnetic side wall.
Claim 10
Dependent Claim 15 words
The positioning element according to claim 1 wherein said partition wall is a solid member.
Claim 11
Dependent Claim 119 words
A positioning element for positioning a prosthesis relative to an implant for a human body, the positioning element having a sleeve-shaped portion forming first and second compartments aligned along an axis for receiving respective connector portions of a prosthesis and an implant, said compartments being separated by a partition wall and opening in opposite axial directions, said partition wall being recessed in its entirety with respect to open ends of both of said compartments, said positioning element further including a flange structure extending outwardly from said sleeve-shaped portion in a direction oriented transversely relative to said axis, said partition wall including a concave surface facing one of said compartments, and a convex surface facing the other of said compartments.
Claim 12
Dependent Claim 119 words
A positioning element for positioning a prosthesis relative to an implant for a human body, the positioning element having a sleeve-shaped portion forming first and second compartments aligned along an axis for receiving respective connector portions of a prosthesis and an implant, said compartments being separated by a partition wall and opening in opposite axial directions, said partition wall being recessed in its entirety with respect to open ends of both of said compartments, said positioning element further including a flange structure extending outwardly from said sleeve-shaped portion in a direction oriented transversely relative to said axis, said partition wall including a concave surface facing one of said compartments, and a convex surface facing the other of said compartments.
Claim 13
Dependent Claim 18 words
The positioning element according to claim 10, wherein said positioning element is formed of a soft silicone material.
Claim 14
Independent Claim 102 words
A device for connecting a prosthesis to an implant for a human body, the device comprising a positioning element and a pair of magnets, said positioning element having a sleeve-shaped portion forming first and second compartments aligned along an axis and receiving respective ones of said magnets, said compartments being separated by a partition wall and opening in opposite axial directions, said partition wall being recessed in its entirety with respect to open ends of both of said compartments, said positioning element further including a flange structure extending outwardly from said sleeve-shaped portion in a direction oriented transversely relative to said axis.
Claim 15
Independent Claim 102 words
A device for connecting a prosthesis to an implant for a human body, the device comprising a positioning element and a pair of magnets, said positioning element having a sleeve-shaped portion forming first and second compartments aligned along an axis and receiving respective ones of said magnets, said compartments being separated by a partition wall and opening in opposite axial directions, said partition wall being recessed in its entirety with respect to open ends of both of said compartments, said positioning element further including a flange structure extending outwardly from said sleeve-shaped portion in a direction oriented transversely relative to said axis.
Claim 16
Dependent Claim 29 words
The device according to claim 12, wherein said partition wall includes a concave surface facing one of said compartments, and a convex surface facing the other of said compartments.
Claim 17
Dependent Claim 17 words
The device according to claim 12, wherein said positioning element is formed of a soft silicone material.
Claim 18
Dependent Claim 29 words
The device according to claim 14, wherein said partition wall includes a concave surface facing one of said compartments, and a convex face facing the other of said compartments.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2000-03-17 2000-09-16 2001-03-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2004-03-17 2004-09-16 2005-03-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2008-03-17 2008-09-16 2009-03-18 $7700.00 Window Closed / Lapsed

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