The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 21, 2020
Filed:
Nov. 29, 2013
Smiths Medical International Limited, Kent, GB;
Peter Ryan Smith, Kent, GB;
Smiths Medical International Limited, Ashford, Kent, GB;
Abstract
Apparatus for enabling speech while a tracheostomy tube is in place includes a tracheostomy tubewith a vocalisation gas lumenextending along its length and opening at one end externally of the tube above the sealing cuffin the trachea T. A ventilatoris connected to the main boreof the tubeto supply ventilation gas cyclically to the patient. The ventilatoralso has an auxiliary outletconnected to the vocalisation gas lumen. The auxiliary outletsupplies vocalisation gas to the vocalisation gas lumenonly during the expiratory phases of ventilation. Alternatively, the apparatus includes a separate supplyof vocalisation gas connected with the vocalisation gas lumenvia a valve. The valveis controlled by pressure in the main gas supply tubingso that the valve is opened to enable the supply of vocalisation gas only during the expiratory phases of ventilation.