PATIENT INTERFACE SYSTEMS

• US 20130032154A1
• Filed: 09/14/2012
• Published: 02/07/2013
• Est. Priority Date: 06/04/2008
• Status: Active Grant

• Current Assignee: ResMed Pty Ltd. (ResMed Incorporated)
• Original Assignee: Resmed Limited (ResMed Incorporated)
• Inventors: Kooij, Michiel, Howard, Scott Alexander, Formica, Justin, Rummery, Gerard Michael, Flower, Renee Frances, Barlow, Adam, Gibson, Joel Edward, Mazzone, Damien Julian, Davidson, Aaron Samuel, Lang, Bernd Christoph, Biener, Achim, Reid, Michael John
• Granted Patent: US 9,149,594 B2
• Time in Patent Office: Days
• US Class Current: 128/205.25
• 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 16/0611 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 16/0633 with forehead support
• 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 16/0688 by means of an adhesive
• CPC Class Codes: A61M 16/0825 with ball-sockets
• CPC Class Codes: A61M 16/0875 Connecting tubes

Abstract

A patient interface system for delivering a flow of breathable gas to a patient includes a patient interface structure configured to sealingly engage the patient'"'"'s nares; a pair of strips configured to be connected to opposite sides of the patient interface structure; and adhesive configured to secure the patient interface structure in sealing engagement with the patient'"'"'s nares. The adhesive may be provided on the strips, and the strips are configured to be adhered to sides of the patient'"'"'s nose by the adhesive.

Claims

1. A patient interface system for delivering a flow of breathable gas to a patient, comprising:

a patient interface structure configured to sealingly engage the patient'"'"'s nares;

a pair of strips configured to be connected to opposite sides of the patient interface structure; and

adhesive configured to secure the patient interface structure in sealing engagement with the patient'"'"'s nares, wherein the adhesive is provided on the strips, and the strips are configured to be adhered to sides of the patient'"'"'s nose by the adhesive.

2. A patient interface system according to claim 1, wherein the patient interface structure is connected to the strips by a second adhesive.

3. A patient interface system according to claim 1, wherein the strips are generally rectangular, triangular, or circular.

4. A patient interface system according to claim 1, wherein at least one of the strips comprises at least one hole and the patient interface structure comprises at least one tab configured to be inserted into the at least one hole.

5. A patient interface system according to claim 4, wherein the at least one hole comprises a plurality of holes.

6. A patient interface system according to claim 5, wherein the plurality of holes are connected by a channel.

7. A patient interface system according to claim 1, wherein the at least one adhesive strip comprise a locking tab configured to engage a loop connected to the patient interface structure.

8. A patient interface system according to claim 7, wherein the loop is integrally formed with the patient interface structure.

9. A patient interface system according to claim 7, further comprising a sealing ring, wherein the sealing ring comprises the loop.

10. A patient interface system according to claim 1, wherein at least one of the strips is covered by a release paper.

11. A patient interface system according to claim 1, wherein at least one of the strips comprises a bottom portion configured to engage the patient interface structure and a top portion configured to engage the patient'"'"'s nose.

12. A patient interface system according to claim 11, wherein the at least one of the strips comprises an adhesive free portion between the top portion and the bottom portion.

13. A patient interface system according to claim 11, wherein the at least one of the strips comprises at least one reinforcing element.

14. A patient interface system according to claim 13, wherein the at least one reinforcing element comprises a plastic or metal strip.

15. A patient interface system patient interface according to claim 1, wherein the adhesive comprises two adhesives.

16. A patient interface system according to claim 15, wherein one of the two adhesives comprises synthetic rubber.

17. A patient interface system according to claim 15, wherein the two adhesives comprise double sided adhesives.

18. A patient interface system according to claim 17, further comprising an intermediate layer between the first and second adhesives.

19. A patient interface system according to claim 18, wherein the intermediate layer is impermeable.

20. A patient interface system according to claim 1, wherein the patient interface structure comprises a pair of nasal pillows or prongs.

21. A patient interface system according to claim 1, further comprising a tube configured to deliver the flow of breathable gas to the patient interface structure and a sealing ring configured to sealingly connect the tube to the patient interface structure.

22. A patient interface system according to claim 21, wherein the sealing ring swivelably connects the tube to the patient interface structure.

23. A patient interface system according to claim 21, wherein the sealing ring comprises a shroud surrounding at least a portion of a base of the patient interface structure, and at least one the strips is adherable to the shroud.

24. A patient interface system according to claim 23, wherein the at least one of the strips comprises an aperture configured to receive the sealing ring and/or the tube.

25. A patient interface system according to claim 23, wherein the at least one of the strips comprises a loop configured to extend around the sealing ring and/or the tube.

26. A patient interface system according to claim 1, wherein at least one of the strips comprises a nasal bridge lateral strip.

27. A patient interface according to claim 26, wherein the nasal bridge lateral strip comprises a dilation strip configured to dilate the patient'"'"'s nasal passageways.

28. A patient interface system according to claim 1, wherein at least one of the strips includes a nasal bridge longitudinal strip.

29. A patient interface system according to claim 1, further comprising a frame configured to support the patient interface structure, wherein at least one of the strips is provided on the frame.

30. A patient interface system according to claim 29, wherein the frame is formed of transparent material.

31. A patient interface system according to claim 1, further comprising two connectors connected to the patient interface structure, wherein the strips are configured to adhere the connectors to the patient.

32. A patient interface system according to claim 31, wherein each connector is removable connected to the patient interface structure.

33. A patient interface system according to claim 31, wherein each connector is integrally formed with the patient interface structure.

34. A patient interface system according to claim 31, wherein each connector comprises a reduced thickness portion configured to act as a hinge.

35. A patient interface system according to claim 31, wherein each connector is formed of silicone.

36. A patient interface system according to claim 31, wherein the at least one adhesive strip comprises a tacky gel on each connector.

37. A patient interface system according to claim 36, wherein the tacky gel is co-molded with the connector.

38. A patient interface system according to claim 1, wherein the strips are connected to a spring connected to the patient interface structure that is configured to engage and dilate the patient'"'"'s nares.

39. A patient interface system according to claim 1, wherein the strips are substantially transparent.

40. A patient interface system patient interface according to claim 1, wherein the strips comprise a neutral color.

41. A patient interface according to claim 1, wherein the strips comprise a skin-tone.

42. A patient interface according to claim 1, wherein the patient interface structure comprises two nasal pillows or prongs configured to engage the nares of the patient.

43. A patient interface according to claim 41, further comprising foam cylinders provided on the nasal pillows or prongs.

44. A patient interface system according to claim 1, wherein at least one of the strips comprises perforations configured to permit portions of the strip to be torn off.

45-99. -99. (canceled)

100. A patient interface system for delivering a flow of breathable gas to a patient, comprising:

a patient interface structure, the patient interface structure including a base portion defining a breathing cavity configured to receive the flow of breathable gas through an aperture in the patient interface structure, pair of nasal pillows or prongs configured to engage the nares of the patient to deliver the flow of breathable gas from the breathing cavity to the patient; and

adhesive on the pair of nasal pillows or prongs configured to secure the patient interface structure to the patient.

101. A patient interface system according to claim 100, further comprising adhesive on the base portion of the patient interface structure configured to adhere the patient interface structure to the patient.

102. A patient interface system according to claim 101, wherein the adhesive on the base portion is configured to secure the patient interface structure to the patient'"'"'s cheeks and/or upper lip.

103. A patient interface system according to claim 100, wherein the adhesive comprises a tacky gel.

104. A patient interface system according to claim 100, wherein the adhesive is co-molded with the patient interface structure.

105. A patient interface system for delivering a flow of breathable gas to a patient, comprising:

a patient interface structure comprising a pair of nasal prongs or pillows configured to sealingly engage the patient'"'"'s nares; and

at least one spring configured to bias the nasal prongs or pillows outwards into engagement with the nares of the patient.

106. A patient interface according to claim 105, wherein the at least one spring comprises two rings, one ring being provided in an upper portion of each nasal pillow or prong.

107. A patient interface according to claim 105, wherein the at least one spring engages a bottom portion of the nasal prongs or pillows.

108. A patient interface according to claim 107, wherein opposite ends of the at least one spring engage adhesive strips configured to engage the patient'"'"'s face to secure the patient interface structure in sealing engagement.

109. A patient interface system for delivering a flow of breathable gas to a patient, comprising:

a patient interface support structure configured to be connected to a hose that delivers the flow of breathable gas;

a pair of nasal pillows supported by the patient interface support structure, wherein each nasal pillow is configured to inflate and seal against an interior of the patient'"'"'s nares by an increase of pressure in the patient interface support structure from receipt of the flow of breathable gas;

a support member configured to engage a bridge of the patient'"'"'s nose; and

a connecting member configured to connect the support member and the patient interface support structure.

110. A patient interface system according to claim 109, wherein each pillow comprises a bellows.

111. A patient interface system according to claim 109, wherein each pillow comprises a textured outer surface.

112. A patient interface system according to claim 109, wherein each pillow is received in an opening in the patient interface support structure and is removable from the opening.

113. A patient interface system according to claim 109, further comprising an upper lip support configured to support the patient interface support structure against the patient'"'"'s upper lip.

114. A patient interface system according to claim 109, wherein the support member, the connecting member and the patient interface support structure are integrally formed.

115. A patient interface system according to claim 109, wherein the connecting member comprises a pair of slots configured to receive ends of a strap or straps.

116. A patient interface system according to claim 109, further comprising an elastic membrane connected to the pair of nasal pillows, wherein the elastic membrane is configured to be inflated by an increase of pressure in the patient interface support structure from receipt of the flow of breathable gas.

117. A patient interface system according to claim 116, further comprising an elastic membrane support connected to the elastic membrane.

118. A patient interface system according to claim 117, further comprising a stop connected to the elastic membrane support that is configured to limit inflation of the elastic membrane.

119. A patient interface system for delivering a flow of breathable gas to a patient, comprising:

a patient interface structure configured to sealingly engage the face of the patient; and

a retaining element configured for application to the patient, said retaining element being configured to support the patient interface structure in sealing engagement with the face of the patient, the retaining element comprising an adhesive and/or at least one strap,

wherein the patient interface structure is configured to be released from and re-engaged with the retaining element for re-positioning of the patient interface structure relative to the patient'"'"'s face in a plurality of positions while the retaining element remains supported by the patient.