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 Title: |
US4799500:
Method of and apparatus for treatment of muscle imbalance
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Newbury, Renton D.; Dandenong, Victoria 3175, Australia
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| Assignee: |
None
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| Published / Filed: |
1989-01-24
/ 1986-09-30
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| Application Number: |
US1986000913444
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| IPC Code: |
Advanced:
A61C 7/00;
A61F 5/01;
Core:
more...
IPC-7:
A61F 5/56;
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| U.S. Class: |
Current:
128/859;
128/846;
Original:
128/859;
128/846;
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| Field of Search: |
128/132 R,136,359
433/006
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| Priority Number: |
| 1986-09-17 |
AU1986000008081 |
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| Abstract: |
The invention is based on the realization that the pain associated with many conditions such as headaches (in particular, migraines and other severe repetitive chronic headaches) is caused by a muscle imbalance that can be traced to the masticatory muscles controlling the lower jaw. It has been found that interdigitation of the molar teeth of the upper and lower jaws is the principal factor that causes the muscle imbalance. The treatment, therefore, requires the unlocking of the interdigitation. In this regard a particular construction of splint to overlie at least the molar teeth of the lower jaw is disclosed.
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| Attorney, Agent or Firm: |
Pollock, Vande Sande & Priddy ;
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| Primary / Asst. Examiners: |
Hafer, Robert A.; Rooney, Kevin G.
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| INPADOC Legal Status: |
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Family Legal Status Report
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| Designated Country: |
AU DE GB JP NL SE
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| Family: |
Show 22 known family members
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First Claim:
Show all 5 claims |
I claim:
1. A splint for the lower jaw of a patient to prevent interlocking interdigitation of the molar teeth thereby allowing the muscles supporting the jaws to move the lower jaw in a preferred path, said splint comprising two arms and a bridge interconnecting the arms, each arm being generally U-shaped in transverse section with a dome-shaped central section separating two sides, the dome-shaped central section defining a contact surface for at least some of the molar teeth and the second premolar teeth and not for the first premolar teeth, the incisor teeth and the canine teeth of the upper jaw, the dome-shaped central section having a thickness to provide a selected spacing between the molar teeth of the upper and lower jaws, and the dome-shaped central section being formed so that there is point contact between each molar tooth of the upper jaw and the contact surface.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 74 U.S. patent(s) that reference this one
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| Foreign References: |
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| Other Abstract Info: |
DERABS G88-091679
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| Other References: |
Newbury, Renton D. "Disturbance of Functional Occlusion Syndrome" Australian Family Physician, vol. 13, No. 1, Jan. 1984, pp. 31-35.
Gelb, Harold et al., "A Two-Year Clinical Evaluation of ZOD Cases of Chronic Headache" JADA, vol. 91, Dec. 1975, pp. 1230-1236.
(7 pages)
Cavestani, Laura "Jaws: Doing the Old Bump and Grind" Diet and Exercise, 4/81. pp. 59-61.
Newbury Renton D., "The Myth of Migraine", White Cross Journal, Winter 1985, pp. 1-8.
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