Magnetic implants for treating obstructive sleep apnea and methods therefor

• US 8,556,797 B2
• Filed: 07/31/2008
• Issued: 10/15/2013
• Est. Priority Date: 07/31/2008
• Status: Active Grant

• Current Assignee: Ethicon Incorporated (Johnson & Johnson)
• Original Assignee: Ethicon Incorporated (Johnson & Johnson)
• Inventors: Weadock, Kevin, Rousseau, Robert A.
• Primary Examiner(s): GILBERT, SAMUEL G
• Application Number:
  US12/183,955
• Publication Number:
  US 20100030011A1
• Time in Patent Office: 1,902 Days
• Field of Search: 600/12, 600/37, 602/60, 602/263, 602/264, 602/902, 128/860, 128/848, 128897-899
• US Class Current: 600/37
• CPC Class Codes: A61F 5/566 Intra-oral devices

Abstract

A magnetic implant for treating sleep disorders includes a first anchor, a first magnet coupled to the first anchor, a tongue anchor, a second magnet coupled to the tongue anchor, and a support for aligning the first and second magnets so that a repelling force is generated between the magnets for urging the second magnet away from the first magnet. In one embodiment, the support aligns a magnetic pole of the first magnet with a repelling magnetic pole of the second magnet, guides movement of the first and second magnets relative to one another, and maintains the first magnet at a fixed distance from the first anchor. In one embodiment, the repelling force urges the second magnet toward the first anchor. The first anchor may be connected to bone or soft tissue.

Claims

1. An implant for treating sleep disorders comprising:

a first anchor;

a first magnet coupled to said first anchor;

a tongue anchor;

a second magnet coupled to said tongue anchor;

and a support for aligning said first and second magnets so that a repelling force is generated between said magnets for urging said second magnet away from said first magnet

wherein said repelling force urges said second magnet toward said first anchor.

2. The implant as claimed in claim 1, wherein said first anchor is adapted to be connected with bone or soft tissue.

3. The implant as claimed in claim 2, wherein said bone is selected from the group consisting of mandible, hyoid, and maxilla, and said soft tissue is selected from the group consisting of the inframandibular fascia, geniohyoid muscle, genioglossus muscle, and digastrics muscle.

4. The implant as claimed in claim 1, wherein said support aligns a magnetic pole of said first magnet with a repelling magnetic pole of said second magnet, and guides movement of said first and second magnets relative to one another.

5. The implant as claimed in claim 4, wherein said support maintains said first magnet at a fixed distance from said first anchor.

6. The implant as claimed in claim 5, wherein said support comprises an elongated tube having a proximal end, a distal end, and an inner surface defining an inner diameter extending between the proximal and distal ends.

7. The implant as claimed in claim 6, wherein said first magnet has an outer diameter that is slightly smaller than the inner diameter of said elongated tube.

8. The implant as claimed in claim 7, further comprising a tether for coupling said first magnet with said first anchor, said tether having a first end connected with said first anchor and a second end connected with said first magnet.

9. The implant as claimed in claim 8, wherein said tongue anchor is secured to the distal end of said elongated tube, said second magnet is fixed to said elongated tube and has an opening extending therethrough, and said tether passes through the opening in said second magnet.

10. The implant as claimed in claim 5, wherein said support comprises a shaft having a first end secured to said first anchor and a second end secured to said first magnet for holding said first magnet at the fixed distance from said first anchor.

11. The implant as claimed in claim 10, wherein said shaft is flexible and comprises biocompatible materials selected from the group consisting of stainless steel, titanium, tantalum, nitinol, and polymers.

12. The implant as claimed in claim 10, wherein said second magnet has an opening adapted to receive said shaft and said second magnet is slideable over an outer surface of said shaft, and wherein said tongue anchor is secured to said second magnet, said tongue anchor comprising a bearing surface and at least one thread interconnecting said tongue anchor and said second magnet.

13. An implant for treating sleep disorders comprising:

first and second magnets;

a support for holding said first magnet at a fixed distance from a first anchor, aligning a magnetic pole of said first magnet with a repelling magnetic pole of said second magnet and guiding movement of said first and second magnets relative to one another;

and a tongue anchor coupled with said second magnet wherein the repelling magnetic pole of said second magnet urges said second magnet toward the first anchor.

14. The implant as claimed in claim 13, wherein said support comprises an elongated tube having a proximal end, a distal end, and an inner surface extending between the proximal and distal ends, the inner surface defining an inner diameter of said elongated tube, and wherein said first magnet is disposed within said elongated tube and is adapted to slide over the inner surface of said elongated tube between the proximal and distal ends thereof.

15. The implant as claimed in claim 14, wherein said tongue anchor is secured to the distal end of said elongated tube, and wherein said tongue anchor and said elongated tube are implantable in a tongue.

16. The implant as claimed in claim 14, wherein said support further comprises a tether adapted to hold said first magnet at the fixed distance from said first anchor, said tether having a first end secured to said first anchor and a second end secured to said first magnet, and wherein said second magnet is fixed to said elongated tube and has an opening extending therethrough and said tether passes through the opening in said second magnet.

17. The implant as claimed in claim 13, wherein said support comprises a shaft having a first end secured to said first anchor and a second end secured to said first magnet for holding said first magnet at the fixed distance from said first anchor, and wherein said second magnet has an opening adapted to receive said shaft and said second magnet is slideable over an outer surface of said shaft.

18. The implant as claimed in claim 17, wherein said tongue anchor is secured to said second magnet, and wherein said tongue anchor comprises a bearing surface and at least one thread interconnecting said bearing surface and said second magnet.

19. An implant for treating sleep disorders comprising:

first and second magnets;

a support for holding said first magnet at a fixed location relative to a first anchor point;

said support being adapted for aligning a magnetic pole of said first magnet with a repelling magnetic pole of said second magnet and for guiding movement of said first and second magnets relative to one another; and

a tongue anchor coupled with said support and said second magnet;

wherein the repelling magnetic pole of said second magnet urges said second magnet toward the first anchor point.

20. The implant as claimed in claim 19, wherein said support comprises at least one guide rail extending between said first and second magnets for guiding sliding movement of said magnets relative to one another.

21. The implant as claimed in claim 19, wherein said support comprises at least one tether connected with said first magnet for holding said first magnet at a fixed distance from bone or soft tissue.

22. The implant as claimed in claim 19, further comprising a flexible diaphragm surrounding said first and second magnets.

23. The implant as claimed in claim 19, wherein said support comprises:

an elongated tube having a proximal end, a distal end, and an inner surface extending between the proximal and distal ends, the inner surface defining an inner diameter of said elongated tube;

and said first magnet being disposed within said elongated tube and being adapted to slide along the inner surface of said elongated tube between the proximal and distal ends thereof, and wherein said first magnet has an outer diameter that is slightly smaller than the inner diameter of said elongated tube.

24. The implant as claimed in claim 23, wherein said second magnet is fixed to said elongated tube and has an opening extending therethrough, and wherein a tether connected to said first magnet passes through the opening in said second magnet.

25. An implant for treating sleep disorders comprising:

a first anchor;

a tether;

a first magnet coupled to said first anchor by said tether;

a tongue anchor;

a second magnet coupled to said tongue anchor;

and a support for aligning said first and second magnets so that a repelling force is generated between said magnets for urging said second magnet away from said first magnet;

wherein said second magnet has an opening extending therethrough, and said tether passes through the opening in said second magnet.

26. An implant for treating sleep disorders comprising:

first and second magnets;

a support for holding said first magnet at a fixed distance from a first anchor, aligning a magnetic pole of said first magnet with a repelling magnetic pole of said second magnet and guiding movement of said first and second magnets relative to one another;

and a tongue anchor coupled with said second magnet;

wherein said support further comprises a tether adapted to hold said first magnet at the fixed distance from said first anchor, said tether having a first end secured to said first anchor and a second end secured to said first magnet, and wherein said second magnet has an opening extending therethrough and said tether passes through the opening in said second magnet.

27. An implant for treating sleep disorders comprising:

first and second magnets;

a support for holding said first magnet at a fixed location relative to an anchor point;

said support being adapted for aligning a magnetic pole of said first magnet with a repelling magnetic pole of said second magnet and for guiding movement of said first and second magnets relative to one another; and

a tongue anchor coupled with said support and said second magnet;

wherein said second magnet has an opening extending therethrough, and wherein a tether connected to said first magnet passes through the opening in said second magnet.