A device comprises a spring and a sleeve. The spring is configured to form a closed loop. The spring is moveable between a coiled configuration when the spring is collapsed and an uncoiled configuration when the spring is expanded. The spring defines a circumference while in the uncoiled configurati
A device comprises a spring and a sleeve. The spring is configured to form a closed loop. The spring is moveable between a coiled configuration when the spring is collapsed and an uncoiled configuration when the spring is expanded. The spring defines a circumference while in the uncoiled configuration. The spring is disposed within the sleeve. The sleeve includes an inflatable portion disposed about at least a portion of the circumference.
대표청구항▼
What is claimed is: 1. A device, comprising: a spring configured to form a closed loop, the spring being moveable between a coiled configuration when the spring is collapsed and an uncoiled configuration when the spring is expanded, the spring defining a circumference while in the uncoiled configur
What is claimed is: 1. A device, comprising: a spring configured to form a closed loop, the spring being moveable between a coiled configuration when the spring is collapsed and an uncoiled configuration when the spring is expanded, the spring defining a circumference while in the uncoiled configuration, the spring having a first end and a second end; a connector defining an opening at a first end portion and an opening at a second end portion, the opening at the first end portion configured to receive the first end of the spring, the opening at the second end portion configured to receive the second end of the spring; a first portion of the device having a perimeter; a second portion of the device coupled to the first portion proximate the perimeter, the first portion of the device and the second portion of the device collectively defining an inflatable chamber, the entire spring being disposed between the first portion of the device and the second portion of the device; and a valve coupled to the inflatable chamber. 2. The device of claim 1, wherein an outer perimeter of the inflatable chamber includes a first point and a second point opposite the first point, the inflatable chamber includes a portion that extends from the first point to the second point of the inflatable chamber. 3. The device of claim 1, wherein the spring defines an interior area, a portion of the inflatable chamber being disposed entirely within the interior area. 4. The device of claim 1, wherein the first end of the spring is coupled to the second end of the spring while in the coiled configuration and while in the uncoiled configuration. 5. The device of claim 1, the connector is a sleeve, the first end of the spring and the second end of the spring being disposed within the sleeve while in the coiled configuration and while in the uncoiled configuration. 6. The device of claim 1, wherein the spring is made of plastic. 7. The device of claim 1, wherein the spring has a circular shape when in the uncoiled configuration. 8. The device of claim 1, wherein the spring is disposed entirely within the inflatable chamber. 9. The device of claim 1, further comprising: a coating disposed on at least a portion of the spring. 10. The device of claim 1, wherein the spring includes a strip having a first end and a second end, the connector configured to couple the first end of the strip to the second end of the strip. 11. The device of claim 1, wherein the connector is a tubular member. 12. The device of claim 1, wherein the first end portion of the connector is configured to matingly couple to the first end of the spring, the second end portion of the connector is configured to matingly couple to the second end of the spring. 13. A device, comprising: a spring configured to form a closed loop, the spring being moveable between a coiled configuration when the spring is collapsed and an uncoiled configuration when the spring is expanded, the spring defining a circumference while in the uncoiled configuration; an inflatable bladder defining an inflatable interior area, the entire spring being disposed within the inflatable interior area of the inflatable bladder; and a valve coupled to the inflatable bladder. 14. The device of claim 13, further comprising: a second inflatable bladder disposed about at least a portion of the circumference, the spring defines an interior area, a portion of the second inflatable bladder being disposed entirely within the interior area. 15. The device of claim 13, wherein the spring includes a first end and a second end opposite the first end, the first end of the spring being coupled to the second end of the spring while in the coiled configuration and while in the uncoiled configuration. 16. The device of claim 13, further comprising: a sleeve, the spring includes a first end and a second end opposite the first end, the first end of the spring and the second end of the spring being disposed within the sleeve while in the coiled configuration and while in the uncoiled configuration. 17. The device of claim 13, wherein an outer perimeter of the inflatable bladder includes a first point and a second point opposite the first point, the inflatable bladder includes a portion that extends from the first point to the second point of the inflatable bladder. 18. The device of claim 13, wherein the spring is made of plastic. 19. The device of claim 13, wherein the spring has a circular shape when in the uncoiled configuration. 20. A device, comprising: a spring configured to form a closed loop, the spring being moveable between a coiled configuration when the spring is collapsed and an uncoiled configuration when the spring is expanded, the spring defining a circumference while in the uncoiled configuration; a first portion of the device having a perimeter; a second portion of the device coupled to the first portion proximate the perimeter, the first portion and the second portion collectively defining an inflatable chamber, the entire spring being disposed between the first portion and the second portion, the spring defines an interior area, a portion of the inflatable chamber being disposed entirely within the interior area; and a valve coupled to the inflatable chamber. 21. The device of claim 20, wherein the first portion and the second portion define a sleeve, the spring being disposed within the sleeve while in the coiled configuration and while in the uncoiled configuration. 22. The device of claim 20, wherein the spring is disposed entirely within the inflatable chamber. 23. The device of claim 20, wherein the spring includes a first end and a second end opposite the first end, the first end of the spring being coupled to the second end of the spring. 24. A device, comprising: a spring configured to form a closed loop, the spring being moveable between a coiled configuration when the spring is collapsed and an uncoiled configuration when the spring is expanded, the spring defining a circumference while in the uncoiled configuration, the spring having a first end and a second end; a connector having a first end configured to matingly couple to the first end of the spring and a second end configured to matingly couple to the second end of the spring; a first portion of the device having a perimeter; a second portion of the device coupled to the first portion proximate the perimeter, the first portion and the second portion collectively defining an inflatable chamber, the entire spring being disposed between the first portion and the second portion; and a valve coupled to the inflatable chamber.
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