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 Title: |
US4867147:
Oral injury prevention appliance for comatose patients and the like
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Davis, E. Wayne; Knoxville, TN 37920
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| Assignee: |
None
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| Published / Filed: |
1989-09-19
/ 1988-05-17
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| Application Number: |
US1988000194932
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| IPC Code: |
Advanced:
A61F 5/00;
A61F 5/37;
Core:
more...
IPC-7:
A61F 5/56;
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| U.S. Class: |
Current:
128/859;
128/861;
Original:
128/859;
128/861;
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| Field of Search: |
128/136,860-861,857,862,859
433/005,6,7,37,38,39,140,149
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| Priority Number: |
| 1988-05-17 |
US1988000194932 |
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| Abstract: |
An oral appliance to prevent further oral injury to comatose patients and the like. This appliance is a flat body of substantially uniform thickness that defines a U-shape. This provides an intra-oral leg for insertion between the occlusal surfaces of the teeth on one side of the patient's mouth. The second leg is extra-oral i.e., for exterior the mouth, with the curved surface between the legs fitting into the corner of the patient's mouth. This construction permits insertion in either side of the mouth, or periodic switching sides to prevent excessive irritation. A tether or lanyard is fastened to the extra-oral leg by providing a perforation near the distal end thereof. In the preferred embodiment, the extra-oral leg is both wider and longer than the intra-oral leg to facilitate manipulation by attending personnel. This appliance does not require impressions or the like, nor does it require extra-sedation of the patient for installation or manipulation. Further, it permits regular oral hygiene and regular oral inspection.
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| Attorney, Agent or Firm: |
Pitts and Brittian ;
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| Primary / Asst. Examiners: |
Hafer, Robert A.; Brown, Michael
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| Maintenance Status: |
E3 Expired Check current status
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| INPADOC Legal Status: |
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Family Legal Status Report
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| Family: |
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First Claim:
Show all 3 claims |
I claim:
1. An oral injury prevention appliance for insertion in the mouth for use with comatose patients and the like, which comprises a U-shaped resilient body member of substantially uniform thickness and rounded edges, which body member defines:
- a first leg as an intra-oral portion for placement between the occlusal surfaces on one side of said patient's mouth, said intra-oral portion having a length sufficient to extend proximate a rear of said occlusal surfaces, and a width in excess of the width of said occlusal surfaces to exclude soft tissue from said occlusal surfaces;
- a second leg as an extra-oral portion to contact the exterior of said patient's cheek spaced from said first leg a distance to accommodate the thickness of said cheek, said extra-oral portion provided with a performation proximate a distal end thereof to receive a surgical tether for use to attach said appliance to said patient, said extra-oral portion having a length and a width greater than the length and width of said intra-oral portion; and
- a cured junction portion connected between said first leg and said second leg to rest against a corner of said patient's mouth to limit movement of said first leg into said patient's mouth.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 46 U.S. patent(s) that reference this one
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