Device for applying compressive pressures against a patient's limb
First Claim
Patent Images
1. A device for applying compressive pressures against a patient'"'"'s limb during periodic compression cycles comprising:
- a sleeve for applying pressure against a length of a patient'"'"'s limb, said sleeve having a plurality of chambers arranged longitudinally along the sleeve;
means for intermittently inflating each of said chambers to provide a predetermined pressure during periodic compression cycles; and
means for deflating said chambers to establish a base static pressure after each said compression cycle.
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Accused Products
Abstract
A device for applying compressive pressures against a patient'"'"'s limb having a sleeve for applying pressure against a length of a patient'"'"'s limb, with the sleeve having a plurality of chambers arranged longitudinally along the sleeve. The device intermittently inflates the chambers, and intermittently connects the chambers to an exhaust system during which a base static pressure is established in the chambers.
150 Citations
29 Claims
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1. A device for applying compressive pressures against a patient'"'"'s limb during periodic compression cycles comprising:
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a sleeve for applying pressure against a length of a patient'"'"'s limb, said sleeve having a plurality of chambers arranged longitudinally along the sleeve; means for intermittently inflating each of said chambers to provide a predetermined pressure during periodic compression cycles; and means for deflating said chambers to establish a base static pressure after each said compression cycle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A device for applying compressive pressures against a patient'"'"'s limb, comprising:
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a sleeve for applying pressure against a length of a patient'"'"'s limb, said sleeve having a plurality of chambers arranged longitudinally along the sleeve; means for establishing a static base pressure in said chambers; and means for intermittently inflating said chambers to a pressure greater than said static base pressure and forming a compressive pressure in the chambers which decreases at intervals of time when attained from a lower portion of the sleeve to an upper portion of the sleeve.
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16. A device for applying compressive pressures against a patient'"'"'s limb, comprising:
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a sleeve for enclosing a length of a patient'"'"'s limb, said sleeve having a plurality of chambers arranged longitudinally along the sleeve; means for intermittently inflating said chambers during periodic compression cycles; and means for intermittently connecting the chambers to an exhaust means during periodic decompression cycles; and means for establishing a static base pressure in the chambers during the decompression cycles. - View Dependent Claims (17, 18)
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19. A device for applying compressive pressures against a patient'"'"'s limb, comprising:
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accumulator means defining a cavity for retaining a volume of fluid; means for forming a source of pressurized fluid in said accumulator means; a sleeve having a plurality of chambers arranged longitudinally along the sleeve; valve means for sequentially connecting the cavity to said chambers while forming a compressive pressure gradient which decreases from a lower portion of the sleeve to an upper portion of the sleeve; pressure relief means to permit passage of fluid at a predetermined base pressure; and means for selectively connecting the cavity to the pressure relief means to form the predetermined pressure in the accumulator means. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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26. A device for applying compressive pressures against a patient'"'"'s limb, comprising:
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a sleeve for applying pressure against a length of a patient'"'"'s limb, said sleeve having a plurality of chambers arranged longitudinally along the sleeve; means for intermittently inflating said chambers during periodic compression cycles; and valve means for simultaneously connecting the chambers to an exhaust means and for establishing a static base pressure in the chambers. - View Dependent Claims (27)
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28. A device for applying compressive pressures against a patient'"'"'s limb, comprising:
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a sleeve for applying pressure against a length of a patient'"'"'s limb, said sleeve having a plurality of compression chambers arranged longitudinally along the sleeve; means for intermittently inflating said chambers during periodic compression cycles; chamber means defining a chamber enclosing the compression chambers; and means for forming a residual pressure in the chamber of said chamber means. - View Dependent Claims (29)
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Specification