Mattress assembly

• US 6,295,675 B1
• Filed: 12/16/1999
• Issued: 10/02/2001
• Est. Priority Date: 08/25/1997
• Status: Expired due to Term

• Current Assignee: Hill-Rom Services Incorporated (Baxter International Inc.)
• Original Assignee: Hill-Rom Services Incorporated (Baxter International Inc.)
• Inventors: Chambers, Kenith W., Mensching, Kerry J., Ellis, Craig D., Glover, Stephen E.
• Primary Examiner(s): Grosz, Alexander
• Application Number:
  US09/465,872
• Time in Patent Office: 656 Days
• Field of Search: 571/0, 571/3, 560/0, 518/5
• US Class Current: 5/710
• CPC Class Codes: A61G 2200/32 lying
• CPC Class Codes: A61G 2203/20 Displays or monitors
• CPC Class Codes: A61G 7/05 Parts, details or accessories of beds devices for prevention against falling out A47C21/08, A47D7/00 ; mattresses A47C27/00
• CPC Class Codes: A61G 7/0506 Head or foot boards head or foot boards for comfort or ergonomics A47C19/022
• CPC Class Codes: A61G 7/0507 Side-rails
• CPC Class Codes: A61G 7/0509 sliding or pivoting downwards
• CPC Class Codes: A61G 7/052 characterised by safety means, e.g. to avoid injuries to patient or caregiver
• CPC Class Codes: A61G 7/0524 characterised by integrated accessories, e.g. bed control means, nurse call or reading lights
• CPC Class Codes: A61G 7/05769 with inflatable chambers
• CPC Class Codes: A61G 7/103 Transfer boards

Abstract

A mattress is provided that is configured to be located on a bed frame. The mattress includes a support surface having a head end, a foot end, and spaced apart first and second side portions. The mattress further includes an air bladder coupled to and extending along the first side of the support surface. The air bladder is inflatable and deflatable to adjust the width of the mattress.

Claims

1. A support system apparatus comprising

a first bed frame having a width,

a second bed frame having a width less than the width of the first bed frame, and

a support apparatus including a support surface including a head end, a foot end, and spaced apart first and second side portions and an air bladder coupled to and extending along the first side portion of the support surface, the air bladder being inflatable to fit on the first bed frame and deflatable to adjust the width of the support apparatus to fit on the second bed frame.

2. The apparatus of claim 1, wherein the support apparatus further includes a second air bladder coupled to and extending along the second side portion of the support surface, the second air bladder being inflatable and deflatable to adjust the width of the mattress.

3. The apparatus of claim 2, wherein the first and second air bladders are coupled to an exterior portion of the support surface.

4. The apparatus of claim 1, wherein the support surface includes a top surface configured to support a body and a bottom surface, and further comprising at least one plate coupled to the bottom surface to facilitate transfer of the mattress from one bed frame to another bed frame.

5. The apparatus of claim 4, wherein the cover includes a head end and a foot end, and a plurality of plates are coupled to the bottom surface of the mattress, the plates including a head plate, a foot plate, a chest plate, a thigh plate, and a seat plate.

6. The apparatus of claim 5, wherein each of the plurality of plates is formed to include at least one handle to facilitate transfer of the mattress from one bed frame to another.

7. The apparatus of claim 1, the mattress is configured to be a replacement mattress apparatus for use on a bed frame having at least one siderail movable from an up position to a down position, the apparatus further comprising an electrical controller configured to control the support surface, and a siderail down sensor configured to be coupled to one of the bed frame and siderail, the siderail down sensor being electrically coupled to the controller, the siderail down sensor being configured to generate an output signal indicating that the siderail of the bed frame is in the down position.

8. A support apparatus configured to be located on a bed frame, the support apparatus comprising:

a support surface including a head end, a foot end, and spaced-apart first and second longitudinal side portions, the support surface including a plurality of transversely-extending air bladders located within an interior region of the support surface and a cover surrounding the plurality of air bladders;

a first air bladder coupled to and extending along the first side portion of the support surface, the first air bladder being inflatable and deflatable to adjust the width of the support surface; and

a second air bladder coupled to and extending along the second side portion of the support surface, the second air bladder being inflatable and deflatable to adjust the width of the support apparatus, the first and second air bladders being located outside the cover.

9. The apparatus of claim 8, further comprising an air manifold having an inlet configured to receive air from an air supply and an outlet and a cloth tube having a first end coupled to the outlet of the manifold and a second end, the manifold and cloth tube being located within the interior region of the support surface.

10. The apparatus of claim 9, further comprising first and second valves having a plurality of outputs coupled to the plurality of air bladders, the cloth tube extending from the manifold to the first valve, and further comprising a second cloth tube having a first end coupled to the outlet of the manifold and a second end coupled to an inlet of the second valve.

11. A support apparatus configured to be located on a bed frame, the support apparatus comprising:

a support surface including a head end, a foot end, and spaced apart first and second side portions;

a first air bladder coupled to and extending along the first side portion of the support surface, the first air bladder being inflatable and deflatable to adjust the width of the support apparatus;

a second air bladder coupled to and extending along the second side portion of the support surface, the second air bladder being inflatable to adjust the width of the support surface; and

a valve configured to be coupled to an air supply, the valve having an output coupled to the first and second air bladders for selectively inflating and deflating the first and second air bladders based on the width of the frame.

12. The apparatus of claim 11, wherein the valve is configured to normally inflate the first and second air bladders, further comprising a second valve coupled to the first and second air bladders for manually removing air from the first and second air bladders upon actuation of the second valve.

13. A support system apparatus comprising

a plurality of bed frames having decks of different widths, and

a support apparatus including a support surface including a head end, a foot end, and spaced-apart first and second side portions and a width bladder extending along the first side portion of the support surface, the width bladder being inflatable to define a first width of the support apparatus sized to fit on a deck of a first bed of the plurality of beds and deflatable to adjust to a second width sized to fit on a deck of a second bed of the plurality of beds having a smaller width than the first width of the deck of the first bed, the second width of the support apparatus being less than the first width of the support apparatus.

14. The support system apparatus of claim 13, wherein the width bladder is normally inflated when positioned on the deck of the first bed and normally deflated when positioned on the deck of the second bed.

15. The support system apparatus of claim 14, wherein the support surface includes at least one support bladder located within an interior region of the support surface, the at least one support bladder is normally inflated when the width bladder is inflated and deflated.

16. The support system apparatus of claim 15, wherein the support apparatus further includes a valve configured to permit deflation of the width bladder to the second width.

17. The support system apparatus of claim 13, wherein the support apparatus further includes another width bladder positioned along the first side portion of the support surface.

18. The support system apparatus of claim 13, wherein the support apparatus further includes another width bladder positioned along the second side portion of the support surface to cooperate with the other width bladder to define the first width when inflated and the second width when deflated.

19. A support system apparatus comprising

a plurality of beds having bed frames of different widths, and

a support apparatus including a support surface configured to support a person thereon and a width bladder positioned adjacent to the support surface, the support surface and the width bladder cooperating to define a width of the support apparatus that is adjustable depending on the width of the bed frame upon which the support apparatus is position, the width bladder being normally deflated when the support apparatus is positioned on a first bed frame of the plurality of beds having a first width to reduce the width of the support surface, the width bladder being normally inflated when the support apparatus is positioned on a second bed frame of the plurality of beds having a second width greater than the first width of the first bed frame to increase the width of the support apparatus.

20. The support system apparatus of claim 19, wherein the support apparatus further includes another width bladder configured to inflate and deflate and being positioned adjacent to the support surface on an opposite side of support surface from the other width bladder, wherein the width bladders cooperate with the support surface to define the first width when deflated and cooperate to define the second width when inflated.

21. The support system apparatus of claim 20, wherein the support apparatus further includes a valve configured to permit simultaneous deflation of the width bladders when positioned on the first bed frame.

22. The support system apparatus of claim 19, wherein the support surface includes a cover defining an interior region and a plurality of normally inflated bladders positioned in the interior region, the width bladder is positioned outside the cover.

23. A support apparatus configured to be located on a bed frame, the support apparatus comprising

a support surface including spaced-apart first and second side portions, the support surface including at least one support member located within an interior region of the support surface and a cover surrounding the at least one support member,

a bladder positioned along the first side portion of the support surface, the bladder being inflatable and deflatable to adjust a width of the support apparatus, the bladder being located outside the cover, and

an air system coupled to the bladder to supply air to the bladder.

24. The support apparatus of claim 23, further comprising a valve positioned outside the cover and configured to permit deflation of the bladder.

25. The support apparatus of claim 23, wherein the support member of the support surface is normally inflated to provide support when the bladder is deflated to adjust the width of the support apparatus.

26. The support apparatus of claim 23, further comprising another bladder positioned outside the cover on a side opposite the other bladder.

27. A support apparatus configured to be located on a bed frame, the support apparatus comprising

a support surface having spaced-apart first and second side portions,

a bladder positioned along the first side portion of the support surface, the bladder being inflatable and deflatable to adjust the width of the support apparatus, a fluid supply, and

a valve coupled to said fluid supply, the valve having an output coupled to the bladder to selectively inflate and deflate the bladder based on the width of the bed frame.

28. The support apparatus of claim 27, wherein the valve is in a first position when the support apparatus is positioned on a bed frame having a first width and the valve is movable to a second position when the support apparatus is positioned on a bed frame having a second width less than the first width to permit deflation of the bladder.

29. The support apparatus of claim 27, further comprising another bladder coupled to the outlet of the valve to permit selective inflation and deflation of the bladder based on the width of the bed frame.

30. The support apparatus of claim 29, wherein the bladders are positioned on opposite side portions of the support surface.

31. A method for supporting persons on a plurality of beds having decks of different widths, the method comprising

providing a support apparatus having a support surface having spaced-apart first and second side portions and a bladder extending along the first side portion of the support apparatus,

positioning the support apparatus on a deck of a first bed having a first width,

deflating the bladder of the support apparatus to reduce the width of the support apparatus to conform to the first width of the deck of the first bed,

positioning the support apparatus on a deck of a second bed having a second width greater than the first width of the deck of the first bed, and

inflating the bladder of the support apparatus to increase the width of the support apparatus to conform to the second width of the deck of the second bed.

32. The method of claim 31, wherein the deflating step includes moving a valve coupled to the bladder to a position permitting deflation of the bladder.

33. The method of claim 31, wherein the inflating step is performed by an air supply.

34. The method of claim 31, wherein the bladder remains deflated when positioned on the deck of the first bed.

35. The method of claim 34, wherein the bladder remains inflated when positioned on the deck of the second bed.

36. A support apparatus configured to be located on a bed frame, the support apparatus comprising

a support surface including spaced-apart first and second side portions, the support surface defining a continuous interior volume and including a plurality of bladders positioned in the continuous interior volume and a cover surrounding the plurality of bladders, and

a width bladder positioned along the first side portion of the support surface, the width bladder being inflatable and deflatable to adjust a width of the support apparatus, the width bladder being located outside the cover.

37. The support apparatus of claim 36, wherein the plurality of bladders extend transversely and the width bladder extends longitudinally.

38. The support apparatus of claim 37, further comprising another width bladder positioned along the second side portion of the support surface and being inflatable and deflatable to adjust the width of the support apparatus.

39. The support apparatus of claim 38, further comprising an air system coupled to the width bladders to supply air to the width bladders.

40. The support apparatus of claim 39, wherein the air system is coupled to the plurality of bladders to supply air to the plurality of bladders.