Methods and devices for intramuscular stimulation of upper airway and swallowing muscle groups
CA 2499875 A1 · Owner: The United States Of America, As Represented By The Secretary, Department Of Health And Human Services · Inventors: Mann, Eric; Ludlow, Christy L.; Bielamowicz, Steven
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Devices and methods were discovered that successfully provided patient autonomous control of both hyolaryngeal elevation anterior hyoid motion and , opening of the upper esophageal sphincter for swallowing by intramuscular stimulation of two muscles. The technology allows patient self stimulation of swallowing and can return oral feeding to dysphagia patients. Indwelling electrode stimulation of only two muscles generated as much as 80 % of normal synergistic movement leading to swallowing. The devices and methods also are useful for control of other upper respiratory muscle groups involved in speech and voice. Calibration techniques may be used in combination for greater freedom in …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed September 26, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 26, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 26, 2025.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.