Method and device for non-invasive ventilation with nasal interface

• US 20080216838A1
• Filed: 03/13/2008
• Published: 09/11/2008
• Est. Priority Date: 08/18/2003
• Status: Active Grant

• Current Assignee: Breathe Technologies, Inc. (Baxter International Inc.)
• Original Assignee: Menlo Lifesciences LLC
• Inventors: Wondka, Anthony D.
• Granted Patent: US 8,136,527 B2
• Time in Patent Office: Days
• US Class Current: 128/205.25
• CPC Class Codes: A61M 16/0009 with sub-atmospheric pressure, e.g. during expiration
• CPC Class Codes: A61M 16/0066 Blowers or centrifugal pumps
• CPC Class Codes: A61M 16/021 operated by electrical means A61M16/202 – A61M16/205 take precedence
• CPC Class Codes: A61M 16/06 Respiratory or anaesthetic masks
• CPC Class Codes: A61M 16/0605 Means for improving the adaptation of the mask to the patient
• CPC Class Codes: A61M 16/0666 Nasal cannulas or tubing devices for improving normal breathing through the nose A61F5/08; nose filters A62B23/06; outside holding devices A61M25/02
• CPC Class Codes: A61M 16/0683 Holding devices therefor
• CPC Class Codes: A61M 16/0816 Joints or connectors
• CPC Class Codes: A61M 16/0833 T- or Y-type connectors, e.g. Y-piece
• CPC Class Codes: A61M 16/107 in the inspiratory path
• CPC Class Codes: A61M 2205/0205 Materials having antiseptic or antimicrobial properties, e.g. silver compounds, rubber with sterilising agent
• CPC Class Codes: A61M 2205/0238 the material being a coating or protective layer
• CPC Class Codes: A61M 2205/75 with filters
• CPC Class Codes: A61M 2209/06 Packaging for specific medical equipment

Abstract

A nasal ventilation interface including a pair of tubes configured to deliver a ventilation gas. The tubes are attachable at a first end to a ventilation gas supply hose and engageable at a second end with a person'"'"'s nostril. A coupler is configured to align the pair of tubes with the person'"'"'s nostrils, wherein each tube has an absence of pneumatic interconnection with the other tube.

Claims

1-49. -49. (canceled)

50. A nasal ventilation interface comprising:

a pair of tubes, the tubes configured to engage a user'"'"'s nostrils at a distal end and configured to attach to a ventilation gas supply hose at a proximal end; and

a coupler configured to connect the pair of tubes having a movable joint between the pair of tubes, wherein the movable joint comprises a swivel to permit rotational movement of the tubes in at least one plane, and align each tube with a nostril foramen.

51. The interface of claim 50, wherein the coupler further comprises a length adjustment means so as to align the tubes with the nostril foramen.

52. The interface of claim 50, wherein the coupler is removably attachable and available in a plurality of sizes or lengths so as to allow the user to adjust the spacing between the distal end tubes.

53. The interface of claim 50, further comprising a sealing member, wherein the sealing member comprises an enlarged diameter at a distance proximal to the distal end wherein the enlarged diameter creates the general configuration of a step, and wherein the enlarged diameter is a dimension larger than the nostril rim inner diameter, and wherein when used the step engages the nostril rim to effect a seal and to prevent over penetration of the tubes into the nostril.

54. The interface of claim 53, wherein the sealing members comprise a double seal, wherein the step comprises a first seal on the rim of the nostril and wherein a second seal occurs inside the nostril and wherein the second seal further comprises a at least on ring on or near the distal end of the sealing member.

55. The interface of claim 54, wherein the sealing member further comprises an attachment member, wherein the attachment members attaches the sealing member to the tube distal end and comprises a locking means, wherein the locking means prevents inadvertent dislodgment of the sealing member from the interface tubes.

56. The interface of claim 53, wherein the sealing members further comprise a leash configured to be grasped with fingers for attachment and removal of the cushion.

57. The interface of claim 53, wherein the sealing members are air filled.

58. The interface of claim 53, wherein the sealing members are comprised of a material having a durometer of about 40 to about 70 Shore OO durometer.

59. A nasal ventilation interface for the purpose of supplying ventilation gas to a person'"'"'s airway, the interface comprising;

a generally tubular construction with a distal end configured with a first and a second tube for engagement with a person'"'"'s nostrils, a proximal end configured for attachment to a ventilation gas supply hose;

a coupler connecting the first and second distal ends of the tubes; and

a lifting means applied substantially directly under the nose to the distal end of the first and second tubes, wherein the lift creates and maintains an engagement force between the tubes'"'"' distal tip and the nostrils.

60. The interface of claim 59, wherein the lifting means is a first strap attachable to the distal end of the tubes via the coupler.

61. The interface of claim 60, wherein the first strap comprises two ends, wherein the two ends extend bilaterally away from the nose and join at the back or side of the head.

62. The interface of claim 60, wherein the first strap further comprises a malleable member.

63. The interface of claim 60, wherein the first strap further comprises a shape memory member.

64. The interface of claim 60, wherein the tension and location of the first strap are adjustable.

65. The interface of claim 60, further comprising a facial pad, wherein the facial pad is attachable to the first strap and positions the distal end of the interface beneath the nose.

66. A nasal ventilation interface apparatus for the purpose of supplying ventilation gas to a person'"'"'s airway, the apparatus comprising a generally tubular construction with a distal end comprising a first and second tube configured to engage a person'"'"'s nostrils, a proximal end configured to attach to a ventilation gas supply hose, wherein the distal end comprises a facial pad positioned between the tubes and skin between the user'"'"'s nose and upper lip, wherein the facial pad cushions the user'"'"'s skin and tilts the distal end of the tubes aligns the distal end tubes with the rim of the user'"'"'s nostril.

67. The apparatus of claim 66, wherein the facial pad is comprised of a viscoelastic material and the pair of tubes are comprised of a plastic material.

68. The apparatus of claim 66, wherein the facial pad is comprised of an energy absorption material.

69. A nasal ventilation interface apparatus for the purpose of supplying ventilation gas to a person'"'"'s airway comprising a generally tubular construction with a distal end comprising a first and a second tube configured to engage a person'"'"'s nostrils, a proximal end configured to attach to a ventilation gas supply hose, further comprising a band member substantially circumventing the head from the chin to the top of the head, wherein the band member applies upward compression on the chin so as to bias the mouth in a close state, and wherein the band attaches the apparatus to the band member.

70. The apparatus of claim 69, wherein the band member provides an upward force on the distal end first and second tubes, wherein the force maintains compression between the nostrils and the distal ends of the first and second tubes wherein the compression substantially seals the first and second tubes to the nostrils.

71. The apparatus of claim 69, wherein the distal end of the tubes is generally circular and comprises an inner diameter generally approximately equal to or less than the diameter of the nostril opening of the user.

72. The apparatus of claim 71, wherein the distal end of the tubes has an inner diameter of about 6 mm to about 22 mm.