Mouthpiece

• US 20060112962A1
• Filed: 12/05/2003
• Published: 06/01/2006
• Est. Priority Date: 12/06/2002
• Status: Active Grant

• Current Assignee: Fisher & Paykel Healthcare Limited
• Original Assignee: Fisher & Paykel Healthcare Limited
• Inventors: Haycock, Mark Joseph, Tebbutt, Adam Alexander, Neal, Blair Albert, McAuley, Alastair Edwin, Gradon, Lewis George
• Granted Patent: US 9,155,855 B2
• Time in Patent Office: Days
• US Class Current: 128/206.290
• CPC Class Codes: A61M 16/049 Mouthpieces
• CPC Class Codes: A61M 16/0493 with means for protecting the tube from damage caused by the patient's teeth, e.g. bite block
• CPC Class Codes: A61M 16/0495 with tongue depressors
• CPC Class Codes: A61M 16/06 Respiratory or anaesthetic masks
• CPC Class Codes: A61M 16/0611 with a gusset portion
• CPC Class Codes: A61M 16/0616 with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure
• CPC Class Codes: A61M 16/08 Bellows; Connecting tubes having means for taking samples G01N1/22; Water traps; Patient circuits
• CPC Class Codes: A61M 16/0816 Joints or connectors
• CPC Class Codes: A61M 16/0825 with ball-sockets
• CPC Class Codes: A61M 16/0875 Connecting tubes
• CPC Class Codes: A61M 2205/42 Reducing noise

Abstract

Mouthpiece (1) having vestibular shield (21) overlapping a user'"'"'s teeth and gums, gases passageway means extending through said vestibular shield allowing for the passage of said gases through mouthpiece and extra oral sealing (25) means associated with gases passageway, said passageway in use causes gases to be diffused (outlets 23, 24) when exiting from gases passageway. Mouth piece may have a noseflap to seal the user'"'"'s nose or provide a passageway for use'"'"'r s nasal passages. Mouthpiece may have adjustment means to alter distance between said vestibular shield and said extra-oral sealing means.

Claims

1-57. -57. (canceled)

58. A mouthpiece comprising:

a vestibular shield capable of being positioned in the mouth vestibule of a user;

gases passageway means extending from through said vestibular shield allowing for the passage of said gases through said mouthpiece;

extra-oral flap associated with said gases passageway to assist with compression upon a user'"'"'s face, and

nose attachment connected to at least part of the upper edge of said extra-oral flap which in use covers or abuts said user'"'"'s nose or nasal passages.

59. A mouthpiece according to claim 58 wherein said nose attachment is a nose flap connected to at least part of the upper edge of said extra-oral flap that in use covers said user'"'"'s nose.

60. A mouthpiece according to claim 58 or 59 wherein there is a passageway formed between said extra-oral flap and said nose flap allows said user to breath gases through their nasal or mouth cavities.

61. A mouthpiece according to claim 58 wherein said mouthpiece includes at least one nasal cannula capable of being fitted in a nare of said user, said at least one nasal cannula covered by said nose flap.

62. A mouthpiece according to claim 59 wherein said nose flap has a lip about it'"'"'s perimeter that assists in sealing of the flap about said user'"'"'s nose.

63. A mouthpiece according to claim 59 wherein said nose flap causes a seal to be formed about said user'"'"'s nose preventing the user from nasal breathing.

64. A mouthpiece according to claim 58 wherein said nose attachment is a blocking member to block said user'"'"'s nose.

65. A mouthpiece according to claim 58 wherein said nose attachment is a pair of nasal cannula extending above said extra-oral sealing means and attached to said gases passageway, to supply gases to said user'"'"'s nasal cavities.

66. A mouthpiece according to claim 58 wherein said nose attachment is at least one protrusion capable of resting against the outside of said user'"'"'s nose to press the outer edges of said user'"'"'s nose to partially or fully block the nares of said user'"'"'s nose.

67. A mouthpiece comprising:

a vestibular shield capable of being positioned in the mouth vestibule of a user;

gases passageway means extending from through said vestibular shield allowing for the passage of said gases through said mouthpiece;

extra-oral flap associated with said gases passageway to assist with compression upon a user'"'"'s face, and

a pair of nasal cannula attached to said gases passageway and extending in use into the nares of said user.