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US 6,607,549 B2Granted
Oral rehabilitation device
AssigneePro David Inc.
InventorChang-Lung Huang
Life of this patent
Estimating the term…
Abstract
An oral rehabilitation device for helping patients to expand oral cavity includes a body for prying the upper and lower jaws open and at least one pressure-resistant blade held in the body to expand the oral cavity to an extent desired. The body may also form a support section at one end to contain an expansion element inside. The expansion element has restoration force which couples the expansion force of the support section may further expand oral cavity to an extent desired for achieving oral rehabilitation object.
Claims1
An oral rehabilitation device for helping patients to do oral rehabilitation, comprising:
- a body having a transverse compartment with two side openings and one end thereof extended to form a support section, wherein the body has a first expansion coefficient;
- and
- at least one expansion element held in the support section and having a second expansion coefficient;
- wherein the support section contained expansion element has different expansion force and is capable of expanding patient's oral cavity by force when the support section is held and crunched in patient's oral cavity, and patient's repeatedly crunching movement done when the oral cavity is expanded to a selected extend is able to enhance rehabilitation effect, and the support section is removable from the oral cavity by pulling the body outward when the rehabilitation is finished,
- wherein the support section is an annular hollow member and made of a tenacious material and is formed at a size for fitting to patients' oral cavity,
- wherein the expansion element is made of a tenacious material and is an elongate member curled in a roll for containing in the hollow portion of the support section.
3 more elements
Dependencies are inferred from the claim text.