A mattress supporting a reclining body with low body pressure and in alignment. The mattress extends in a lateral direction from side to side and extends in a longitudinal direction from a mattress head to a mattress foot where the mattress includes a head part, a shoulder part, a waist part, a hip
A mattress supporting a reclining body with low body pressure and in alignment. The mattress extends in a lateral direction from side to side and extends in a longitudinal direction from a mattress head to a mattress foot where the mattress includes a head part, a shoulder part, a waist part, a hip part and a leg part. The reclining body has a displacement profile that causes the mattress to undergo differing vertical displacements when supporting the reclining body. The mattress core has displacement parameters varying to match the displacement profile of the reclining body while supporting the reclining body with low body pressure. The core has a plurality of regions where the vertical displacement in one or more of the regions varies to match the displacement profile of the reclining body to maintain the reclining body in alignment.
대표청구항▼
The invention claimed is: 1. A mattress, extending in a lateral direction from side to side and extending in a longitudinal direction from a mattress head to a mattress foot, for supporting a reclining body, said mattress including a head part, a shoulder part, a waist part, a hip part and a leg pa
The invention claimed is: 1. A mattress, extending in a lateral direction from side to side and extending in a longitudinal direction from a mattress head to a mattress foot, for supporting a reclining body, said mattress including a head part, a shoulder part, a waist part, a hip part and a leg part, said reclining body having a displacement profile, said mattress comprising, a core extending in said longitudinal direction and in said lateral direction, said core for undergoing differing vertical displacements when supporting the reclining body, said core having displacement parameters varying to match the displacement profile of the reclining body whereby the reclining body is supported by low body pressure, said core having a plurality of regions where the vertical displacement in one or more of the regions varies to match the displacement profile of the reclining body to maintain the reclining body in alignment, said core including one or more foam members having structural modification where the one or more foam members at different longitudinal positions exhibit different displacement parameters including different ILDs to support the reclining body with low body pressure and exhibits different vertical displacements to maintain the reclining body in alignment. 2. A mattress, extending in a lateral direction from side to side and extending in a longitudinal direction from a mattress head to a mattress foot, for supporting a reclining body, said mattress including a head part, a shoulder part, a waist part, a hip part and a leg part, said reclining body having a displacement profile, said mattress comprising, a core extending in said longitudinal direction and in said lateral direction, said core for undergoing differing vertical displacements when supporting the reclining body, said core having displacement parameters varying to match the displacement profile of the reclining body whereby the reclining body is supported by low body pressure, said core having a plurality of regions where the vertical displacement in one or more of the regions varies to match the displacement profile of the reclining body to maintain the reclining body in alignment, said core including one or more foam members having structural modification where the one or more foam members at different longitudinal positions exhibit different displacement parameters including different ILDs to support the reclining body with low body pressure and exhibit different vertical displacements to maintain the reclining body in alignment and said core including a spring supporting said foam members. 3. The mattress as in claim 1, or 7 wherein said core includes head, center and leg regions wherein said center region has different ILD's then said head and leg regions and wherein said head region is for establishing head vertical elevations for supporting said head part, said center region is for establishing center vertical elevations for supporting said shoulder part, waist part and hip part, and said leg region is for establishing leg vertical elevations for supporting said leg part and wherein said center vertical elevations vary relative to said head vertical elevations and said leg vertical elevations to establish body alignment. 4. The mattress as in claim 3 wherein said core has a flat top in the absence of a reclining body. 5. The mattress as in claim 3 wherein a high gradient exists in a body profile between said head part and said shoulder part and wherein said core has a change in displacement parameters between said head region and said shoulder region that accommodates said high gradient to maintain low body pressure and body alignment. 6. The mattress as in claim 5 wherein said leg region has a high ILD that provides firm support at said mattress foot for a sitting body. 7. The mattress as in claim 6 wherein said first core and second core are separated by a slot for isolation of said first core and said second core. 8. The mattress as in claim 3 wherein said core includes a first core beside a second core for supporting side-by-side reclining bodies. 9. The mattress as in claim 3 including a firm foam member having a high ILD surrounding at least three sides of said mattress to provide firm support around said three sides of the mattress. 10. The mattress as in claim 3 wherein said body alignment is substantially straight. 11. The mattress as in claim 3 wherein said low body pressure is below a low pressure threshold. 12. The mattress as in claim 11 wherein said threshold is below an ischemic pressure threshold. 13. The mattress as in claim 2 wherein said core includes head, center and leg regions wherein said head region is for establishing head vertical elevations, said center region is for establishing center vertical elevations, and said leg region is for establishing leg vertical elevations, said center region including a shoulder region, a waist region and a hip region. 14. The mattress as in claim 13 wherein said head region includes a first foam member having a first ILD displacement parameter and includes a second foam member having a second ILD displacement parameter, said first foam member above said second foam member with the first ILD displacement parameter greater than said second ILD displacement parameter. 15. The mattress as in claim 13 wherein said center region includes a first foam member having a first ILD displacement parameter and includes a second foam member having a second ILD displacement parameter, said first foam member above said second foam member with the first ILD displacement parameter greater than said second ILD displacement parameter. 16. The mattress as in claim 13 wherein said center region includes a first foam member above a second foam member and wherein said leg region includes a foam member that has an ILD displacement parameter greater than ILD displacement parameters for said first foam member and said second foam member. 17. The mattress as in claim 13 wherein said center region includes one or more foam members structurally modified to modify the displacement parameters. 18. The mattress as in claim 13 wherein said center region includes a first structurally modified foam member above a second structurally modified foam member where the first structurally modified foam member has a greater ILD displacement parameter then said second structurally modified foam member. 19. The mattress as in claim 13 wherein said core includes a foam member having structural modification where the foam member at different longitudinal positions exhibits different displacement parameters to support the reclining body with low body pressure and exhibits different vertical displacements to maintain the reclining body in alignment. 20. The mattress as in claim 13 wherein said core includes a tension relief slot for avoiding tension forces in said foam members as a result of displacement caused by said reclining body, and a cover for covering said core, said cover including an opening on a top side of said mattress revealing said tension relief slot. 21. The mattress as in claim 13 wherein said core includes a tension relief slot for avoiding tension forces in said foam members as a result of displacement caused by said reclining body. 22. The mattress as in claim 13 wherein said core includes a spring supporting said foam members. 23. The mattress as in claim 13 wherein said core includes a lift for adjusting the vertical elevation of the mattress. 24. The mattress as in claim 23 wherein said lift is located in the waist region. 25. The mattress as in claim 23 wherein said lift is located in the head region. 26. The mattress as in claim 23 wherein said lift is inflatable with a fluid. 27. The mattress as in as in claim 26 wherein said lift is inflatable with air and wherein said mattress includes pressure means for adjusting air pressure in said lift and includes a control device for controlling said pressure means to adjust said air pressure in said lift and thereby adjust the vertical elevation of said lift. 28. The mattress as in claim 1 wherein said core includes head, center and leg regions wherein said head region is for establishing head vertical elevations, said center region is for establishing center vertical elevations, and said leg region is for establishing leg vertical elevations, said center region including a shoulder region, a waist region and a hip region wherein the waist region has a higher ILD than the shoulder region and the hip region. 29. The mattress as in claim 28 wherein said head region includes a first foam member having a first ILD displacement parameter and includes a second foam member having a second ILD displacement parameter, said first foam member above said second foam member with the first ILD displacement parameter greater than said second ILD displacement parameter. 30. The mattress as in claim 28 wherein said center region includes a first foam member having a first ILD displacement parameter and includes a second foam member having a second ILD displacement parameter, said first foam member above said second foam member with the first ILD displacement parameter greater than said second ILD displacement parameter. 31. The mattress as in claim 28 wherein said core includes one or more foam members structurally modified by removing holes extending through the foam members. 32. The mattress as in claim 28 wherein said core includes a spring supporting said foam members. 33. The mattress as in claim 28 wherein said core includes a lift for adjusting the vertical elevation of the mattress. 34. The mattress as in claim 33 wherein said lift is located in the waist region. 35. The mattress as in claim 33 wherein said lift is located in the head region. 36. The mattress as in claim 33 wherein said lift is inflatable with a fluid. 37. The mattress as in as in claim 36 wherein said lift is inflatable with air and wherein said mattress includes pressure means for adjusting air pressure in said lift and includes a control device for controlling said pressure means to adjust said air pressure in said lift and thereby adjust the vertical elevation of said lift.
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