초록 ▼

A cushion for use with a variety of types of seats, for example, automotive seats, to adjust the sacrum thereby pivoting the pelvis to assist in maintaining the spine in equilibrium. The cushion is preferably separate from the seat and has central and end support areas that have a density or compres

A cushion for use with a variety of types of seats, for example, automotive seats, to adjust the sacrum thereby pivoting the pelvis to assist in maintaining the spine in equilibrium. The cushion is preferably separate from the seat and has central and end support areas that have a density or compressibility that is greater than that of the interconnecting portions. The central area is also provided with one of a plurality of inserts that individually have varying compressibility so that the compressibility of the central area is variable by changing between the inserts.

대표청구항 ▼

What is claimed is: 1. A portable sacral support, comprising: a main body having a bottom, a central portion, adjacent side portions, and a rear surface, the rear surface comprising: a plurality of spaced apart ramps and recesses that collectively provide compressive support at the central portion

What is claimed is: 1. A portable sacral support, comprising: a main body having a bottom, a central portion, adjacent side portions, and a rear surface, the rear surface comprising: a plurality of spaced apart ramps and recesses that collectively provide compressive support at the central portion of the main body that is focused upon the sacrum and lesser compression in a release area located adjacent each side of that central portion that applies less force on muscles adjacent the sacrum, wherein said central portion includes a recess and said support further includes one or more inserts of varying levels of compressibility that can fit into said recess and which is additive to the compressibility of said central portion when positioned within said recess. 2. The sacral support as in claim 1 wherein said inserts have an inverted tear drop shape. 3. The sacral support as in claim 1 wherein said inserts have a ramp member positioned adjacent a bottom portion. 4. The sacral support of claim 1 wherein said inserts have density values ranging from about 2 lb./cu.ft. to about 30 lb./cu.ft. 5. The sacral support of claim 1 wherein said inserts have density values ranging from about 10 lb./cu.ft. to about 25 lb./cu.ft. 6. The sacral support of claim 1 wherein the central portion has a compressibility level that produces from about 2 psi to about 4 psi on the sacrum of the support user. 7. A portable sacral support for use along the area where a seat bottom and seat back meet, comprising: a main body having, a central portion, adjacent side portions directly adjacent the central portion and end portions located outwardly from the adjacent side portions, said main body having a plurality of compression areas, a first compression area having a first and greatest compression value and being centrally positioned to provide controlled force against a support user's sacrum, a second compression having a compression value less than said first compression value and comprising the adjacent side portions adjacent each side of said first compression area, and a third compression area at the end portions having a compression value between that of said first and second compression areas. 8. A portable sacrum support as in claim 7 wherein said sacral support provides a force of about 2 psi to about 4 psi on the sacrum of the support user. 9. A portable sacral support for supporting the sacrum of a user seated in a seat with said support positioned in front of the back of the seat and behind the user sacrum, said support comprising a main body having first, second and third compression areas at separate locations along the length of the support, said first compression area being centrally positioned on the support to provide a first amount of compression to thereby provide a controlled amount of force against a support user's sacrum when the user is in the seat, said second compression area being positioned adjacent each side of the first compression area and having less compression than said first compression area, said third compression area being positioned outwardly of each of the second compression areas and having an amount of compression between that of said first and second compression areas. 10. A portable sacral support positioned along an area where a seat back and a seat bottom meet, comprising: a main body having, a central portion and adjacent side portions, a plurality of compressive support areas, one having a first compression value located at the central portion of the main body that is focused upon the sacrum and lesser compression areas having compression values less than the first compression value located adjacent each side of the central portion, wherein said central portion includes a rearwardly facing recess and at least one insert member that interfits within said recess. 11. The sacral support of claim 10 further including a spacer member that interfits with said main body to provide an extension thereof so that sacral support can be provided where more space must be accommodated in the area between the seat back and seat bottom. 12. A portable sacral support positioned along an area where a seat back and a seat bottom meet, comprising: a main body having a central portion and adjacent side portions, a plurality of compressive support areas, a first compressive support area having a first compression value located at the central portion of the main body that is focused upon the sacrum and second and third lesser compression areas with compression values less than the first compression value located adjacent each side of the central portion, further including end portions that extend beyond said adjacent side portions and provide additional support and aid in forming a release area adjacent each side of the central portion, and a bottom area and wherein a flex gate is provided adjacent said bottom area between said central portion and each of said end portions portion. 13. A portable sacrum support for supporting the sacrum of a user seated in a seat with said support positioned in front of a seat back and behind the user sacrum, said support comprising: a main body having front and rear surfaces, a bottom, a central portion, an adjacent side portion on each side of the central portion that collectively provide compressive support, the central portion having a first level of compression, each adjacent side portion comprising an area of lesser compressive support thereby forming a release area adjacent the central portion where less compressive force is applied to muscles adjacent the sacrum than is applied in the central portion, and wherein the central portion further includes a recess and a plurality of insert members that can be received in the recess, each insert having a different compression value. 14. A portable sacral support for use along the area where a seat bottom and seat back meet, comprising: a main body having, a central portion and end portions, said main body having first and second compression areas, said first compression area having a first compression value in the central portion to provide controlled force against a support user's sacrum, said second compression area having a compression value less than said first compression value and being positioned adjacent each side of said first compression area, and further including a third compression area located adjacent each end portion and having a compression value between that of said first and second compression values. 15. A portable sacrum support for supporting the sacrum and controlling the spine of a user seated in a seat with the support positioned in front of the back of seat and behind the user sacrum, said support comprising: a wedge shaped main body having front and rear surfaces, a bottom, a central portion, an adjacent side portion positioned on each side of the central portion that collectively provide resistive support, and an end portion located outwardly from each of the adjacent side portions, the central portion having a first and greater amount of resistance than is provided in adjacent side portions where each exhibits an area of lesser resistance and support thereby defining a release area so that less resistance exists against areas adjacent the sacrum than is applied to the sacrum by the central portion thereby permitting body structures adjacent the sacrum to nest rearwardly into the adjacent side portions as the sacrum is supported more forwardly. 16. A removable support for an automobile seat having a seat back area and a seat bottom area, comprising: a wedge of pliable material having a base portion integrally formed with a riser portion; the base portion having a base surface to sit on at least a portion of the seat bottom area; the riser portion having a face surface extending upward from the base portion at an acute angle relative to the base surface, the riser portion having a back surface resting against at least a portion of the seat back area, the riser portion also having a central volume between a first portion of the face surface and a first portion of back surface, the riser portion also having two side volumes between, respectively, second and third portions of the face surface and second and third portions of the back surface, where the first portion of the face surface is between the second and third portions of the face surface, and where the first portion of the back surface is between the second and third surfaces of the back surface, the central volume also being of pliable material having a first characteristic compression coefficient and the side volumes being of pliable material having a second characteristic compression coefficient less resistant to compression than the first characteristic compression coefficient; and wherein, the two side volumes and the central volume are arranged in the riser portion such that, when a user is seated on the removable support in the automobile seat, the two side volumes are essentially aligned with the user's ilia(s) and the central volume is essentially aligned with the user' sacrum. 17. The removable support as in claim 16, wherein the base portion further includes an edge portion on the rear thereof for insertion into a space between the seat back area and the seat bottom area. 18. The removable support as in claim 16, wherein the face surface includes a raised area in the area of the central volume. 19. The removable support as in claim 16, wherein the support is molded in one piece and includes a first and higher density foam central volume and a lower density foam in each of the two side volumes. 20. The removable support as in claim 16, wherein the central volume has a greater thickness than the two side volumes. 21. The removable support as in claim 16, wherein at least the base surface includes a slip resistant treatment. 22. The sacral support of claim 16 further including a spacer member that interfits with said removable support to provide an extension thereof so that sacral support can be provided where more space must be accommodated in the area between the seat back area and seat bottom area. 23. A portable sacral support positioned along an area where a seat back and a seat bottom meet, comprising: a main body having a central portion and adjacent side portions, a plurality of compressive support areas, one having a first compression value located at the central portion of the main body that is focused upon the sacrum and lesser compression areas with compression values less than in the central position located directly adjacent each side of the central portion, and said central portion further includes a rearwardly facing recess and at least one insert member that interfits within said recess. 24. The sacral support of claim 23 wherein said support further includes a plurality of additional inserts, each having a different level of compressibility that can fit into said recess and which is additive to the compressibility of said central portion when the insert is positioned within said recess. 25. A portable sacral support positioned along an area where a seat back and a seat bottom meet, comprising: a main body having a central portion and adjacent side portions, a plurality of compressive support areas, one having a first compression value located at the central portion of the main body that is focused upon the sacrum and lesser compression areas with compression values less than in the central position located directly adjacent each side of the central portion, said main body further includes end portions that extend beyond said adjacent side portions and provide additional support and aid in forming a release area adjacent each side of the central portion, a bottom area, and a flex gate provided adjacent said bottom area between said central portion and each of said end portions. 26. The sacral support of claim 25 wherein said flex gate is at least, in part, unconnected to said main body. 27. A portable sacrum support for supporting the sacrum of a user seated in a seat with said support positioned in front of the back of seat and behind the user sacrum, said support comprising a main body having front and rear surfaces, a bottom, a central portion, and an adjacent side portion on each side of the central portion that collectively provide compressive support and an end portion located outwardly from each of the adjacent side portions, the central portion having a first level of compression, and areas of lesser compressive support in a release area located in each of the two adjacent side portions where less force is applied to muscles adjacent the sacrum, the central portion further includes a recess and a plurality of insert members each of which can be separately received in the recess with each insert providing a different compression value for the central portion. 28. A portable sacrum support as in claim 27 wherein at least one of said plurality of insert members has a plurality of compression values. 29. A portable sacral support for use along the area where a seat bottom and seat back meet, comprising: a main body having a central portion and end portions at opposing ends of the main body, said main body having first and second compression areas, said first compression area having a first compression value in the central portion to provide controlled force against a support user's sacrum, said second compression area located between each side of the central portion and respective end portions, said second compression area having a compression value less than said first compression value, said main body further including a third compression area located adjacent each end portion and having a compression value between that of said first and second compression values. 30. The portable sacrum support as in claim 29 wherein the central portion applies concentrated pressure on the sacrum while portions adjacent each side of the sacrum are nestled in the release areas. 31. The sacral support of claim 29 further including a spacer member that interfits with said wedge shaped device to provide an extension thereof so that sacral support can be provided where more space must be accommodated in the area between a seat back and a seat bottom.