A lumbar support device that is adjusted to a user's neutral postural position when the user is standing, and that is subsequently used to reinforce the user's neutral postural position when the user is seated. The device includes a rigid shell and an adjustable lumbar support surface. The lumbar su
A lumbar support device that is adjusted to a user's neutral postural position when the user is standing, and that is subsequently used to reinforce the user's neutral postural position when the user is seated. The device includes a rigid shell and an adjustable lumbar support surface. The lumbar support surface is a plurality of inelastic straps of adjustable length disposed horizontally between the sides of the rigid shell. The user adapts the straps to conform to the user's back when in a standing neutral position. When seated, the straps maintain their adjusted lengths, so as to reinforce the user's neutral position. The device includes a covering and a padding between the covering and the straps. The lumbar support device features downwardly depending legs at each side so as to support the device when placed in a chair and position the surface in the lumbar region above the chair. The gap between the legs and below the back of the shell provides a cutout to accommodate protrusion of the user's buttocks, allowing the user to adopt normal buttock positioning on the seat of the chair.
대표청구항▼
What is claimed is: 1. A lumbar support device comprising: a rigid shell having a back portion between opposing sides, the sides extending forwardly of the back portion and defining a hollow, the rigid shell being formed from a rigid inelastic material; and an inelastic lumbar support surface for e
What is claimed is: 1. A lumbar support device comprising: a rigid shell having a back portion between opposing sides, the sides extending forwardly of the back portion and defining a hollow, the rigid shell being formed from a rigid inelastic material; and an inelastic lumbar support surface for engaging a user's lumbar region having one end attached to one of the sides of the rigid shell and another end attached to the other side of the rigid shell such that the surface partially encloses the hollow, said surface having an adjustable surface contour configured to be adjusted to conform to a neutral postural position of said user's lumbar region such that the lumbar support device adjusted to conform to said neutral postural position, reinforces said neutral postural position. 2. The lumbar support device claimed in claim 1, wherein said adjustable surface contour includes an adjustable horizontal length between said opposing sides. 3. The lumbar support device claimed in claim 2, wherein said adjustable horizontal length includes a spaced apart plurality of individually adjustable horizontal lengths. 4. The lumbar support device claimed in claim 1, wherein said surface comprises a plurality of inelastic straps, each of said straps spanning from one of the sides to the other side, and each of said straps having an adjustable length. 5. The lumbar support device claimed in claim 4, wherein each of said straps has a fixed end and a free end, said fixed end being affixed to said one of the sides and said free end being adjustably attached to said other side. 6. The lumbar support device claimed in claim 5, further including an adjustable attachment mechanism for adjustably attaching said free ends of said straps to said shell and varying the lengths of said straps. 7. The lumbar support device claimed in claim 6, wherein said adjustable attachment mechanism is a hook-and-loop fastener. 8. The lumbar support device claimed in claim 6, wherein said adjustable attachment mechanism is a buckle. 9. The lumbar support device claimed in claim 4, wherein each of said straps has a first free end and a second free end, said first free end being adjustably attached to said one of the sides and said second free end being adjustably attached to said other side. 10. The lumbar support device claimed in claim 1, wherein said back portion includes a convex inner surface between said opposing sides, and wherein said sides include concave inner surfaces. 11. The lumbar support device claimed in claim 10, wherein said back portion includes a top edge and a bottom edge, extending between said opposing sides, and wherein said top and bottom edges are flared outwards. 12. The lumbar support device claimed in claim 1, where said rigid shell is formed with a material selected from the list including plastic, fiberglass, metal or wood. 13. The lumbar support device claimed in claim 1, further including two legs, each of said legs depending downwardly from a respective one of said opposing sides, the legs defining a gap below the back portion and thereby accommodating the protrusion of a user's buttocks through the gap below the back portion. 14. The lumbar support device claimed in claim 13, wherein said legs include extensions for adjusting the length of said legs. 15. The lumbar support device claimed in claim 13, wherein said legs and said opposing sides are integrally formed. 16. The lumbar support device claimed in claim 1, further including a belt attached to said shell for securing said device about a user's waist. 17. The lumbar support device claimed in claim 1, further including an elastic fabric covering for the device. 18. The lumbar support device claimed in claim 17, further including a padding disposed between said surface and said covering. 19. A lumbar support device, comprising: a rigid shell having opposing sides and an inelastic lumbar support surface between said sides for engaging a user's lumbar region, the lumbar support surface having an adjustable surface contour configured to be adjusted to conform to a neutral postural position of said user's lumbar region such that the lumbar support device adjusted to conform to said neutral postural position, reinforces said neutral postural position; and two legs, each of said legs depending downwardly from a respective one of said opposing sides, the legs defining a gap below the body and thereby accommodating the protrusion of the user's buttocks through the gap below the body. 20. The lumbar support device claimed in claim 19, wherein said legs include extension means for adjusting the height at which the device is raised above the chair seat. 21. The lumbar support device as claimed in claim 19, wherein said body includes a rigid shell having a back portion between said opposing sides, said sides extending forwardly of the back portion and defining a hollow, and a lumbar support surface having one end attached to one of the sides and another end attached to the other side such that the surface partially encloses the hollow, said surface having an adjustable surface contour. 22. The lumbar support device as claimed in claim 19, wherein said legs and said opposing sides are integrally formed. 23. The lumbar support device as claimed in claim 19, wherein said legs are coupled to said sides through an extensible mechanism, and said extensible mechanism adjusts said legs between a proximate position near said sides and a distal position distant from said sides, thereby altering the height of the lumbar support device. 24. The lumbar support device as claimed in claim 19, wherein said legs are removably attached to said sides. 25. A method of reinforcing a user's neutral postural position comprising: obtaining lumbar support device comprising: a rigid shell having a back portion between opposing sides, the sides extending forwardly of the back portion and defining a hollow, the rigid shell being formed from a rigid inelastic material; and an inelastic lumbar support surface for engaging a user's lumbar region having one end attached to one of the sides of the rigid shell and another end attached to the other side of the rigid shell such that the surface partially encloses the hollow, said surface having an adjustable surface contour; adjusting said inelastic lumbar support surface to conform to a neutral postural position of said user's lumbar region; and placing said lumbar support device adjusted to conform to said neutral postural position against the user's lumbar region such that the lumbar support device reinforces said neutral postural position. 26. The method of reinforcing a user's neutral postural position as claimed in claim 25, wherein said inelastic lumbar support surface comprises a plurality of inelastic straps, each of said straps spanning from one of the sides to the other side, and each of said straps having an adjustable length. 27. The method of reinforcing a user's neutral postural position as claimed in claim 25, wherein the lumbar support device further includes two legs, each of said legs depending downwardly from a respective one of said opposing sides, the legs defining a gap below the back portion and thereby accommodating the protrusion of a user's buttocks through the gap below the back portion.
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