Compression sleeve having air conduit

• US 7,442,175 B2
• Filed: 12/12/2005
• Issued: 10/28/2008
• Est. Priority Date: 12/12/2005
• Status: Active Grant

• Current Assignee: Kpr U.S., LLC (Cardinal Health, Inc.)
• Original Assignee: Tyco Healthcare Group LP (Medtronic Plc)
• Inventors: Meyer, Ann, Vess, Mark, Bock, Malcolm G., Braga, Richard, Denson, Jesse, Baker, Garth
• Primary Examiner(s): Brown; Michael A.
• Application Number:
  US11/299,488
• Publication Number:
  US 20070135742A1
• Time in Patent Office: 1,051 Days
• Field of Search: 601/15, 601148-152, 602/13, 128/DIG.15, 128/DIG.20
• US Class Current: 601/151
• CPC Class Codes: A61F 13/06 specially adapted for feet or legs; Corn-pads; Corn-rings
• CPC Class Codes: A61H 2201/165 Wearable interfaces
• CPC Class Codes: A61H 2205/12 Feet
• CPC Class Codes: A61H 2209/00 Devices for avoiding blood stagnation, e.g. Deep Vein Thrombosis [DVT] devices
• CPC Class Codes: A61H 9/0078 with intermittent or alternately inflated bladders or cuffs mattresses for preventing bed-sores with alternated pressurized chambers A61G7/05776

Abstract

A compression sleeve is described as having a first sheet, a second sheet attached to said first sheet and defining at least one inflatable section, and at least one conduit disposed in the at least one of said inflatable sections.

Claims

1. A compression sleeve, comprising:

a first sheet;

a second sheet attached to said first sheet and defining at least one inflatable section having dimensions in directions generally parallel to the first and second sheets; and

at least one conduit arranged in at least one of said inflatable section to maintain separation of the first and second sheets and at least one conduit defines a flow path along at least one of said dimensions of at least one inflatable section for improving fluid flow in and out of at least one inflatable section and inhibiting the formation of one or more fluid pockets during a compression cycle, wherein at least one conduit includes a base member and a plurality of ridges attached to a first surface of the base member.

2. The compression sleeve as recited in claim 1, further comprising:

a connector for connecting the lumen to a source of pressurized fluid; and

a plurality of fasteners comprising hook and loop fastener components adapted for securing the sleeve about a portion of a patient'"'"'s body.

3. The compression sleeve as recited in claim 1, wherein the at least one conduit is fastened to one of the first or second sheets.

4. The compression sleeve as recited in claim 1, wherein the height of the plurality of ridges is at a minimum at an outer edge of the base member and at a maximum at a central portion of the base.

5. The compression sleeve as recited in claim 1, wherein adjacent ridges are spaced apart defining a trough therebetween.

6. The compression sleeve as recited in claim 1, wherein the at least one conduit is formed from a polyvinyl chloride.

7. The compression sleeve as recited in claim 1, wherein the at least one conduit includes a base member defining a central longitudinal channel therethrough.

8. The compression sleeve as recited in claim 1, wherein the at least one conduit includes a plurality of longitudinal tubes.

9. A compression sleeve as recited in claim 1, wherein the first and second sheet is sealed along a sealing line for providing a chamber capable of withstanding a pressure from a fluid without leaking.

10. A compression sleeve as recited in claim 9, wherein the sealing line formation is selected from a group comprising:

heat, RF welding, stitching, sewing, solvent bonding, stapling and stamping.

11. A compression sleeve as recited in claim 1, wherein at least one air tube is connected to the inflatable section for inflating and deflating the inflatable section thereby providing compression therapy.

12. A compression sleeve as recited in claim 1, wherein the at least one conduit is formed at the perimeter of the inflatable section.

13. A compression sleeve as recited in claim 1, wherein the conduit minimizes the formation of trapped fluid in the inflatable section.

14. A compression sleeve, comprising:

a first sheet;

a second sheet attached to said first sheet and defining at least one inflatable section having dimensions in directions generally parallel to the first and second sheets; and

at least one conduit arranged in at least one of said inflatable section to maintain separation of the first and second sheets and at least one conduit defines a flow path along at least one of said dimensions of at least one inflatable section for improving fluid flow in and out of at least one inflatable section and inhibiting the formation of one or more fluid pockets during a compression cycle, wherein at least one conduit includes a base member and a plurality of pins attached to a first surface of the base member.

15. A compression sleeve, comprising:

a first sheet;

a second shoot attached to said first sheet and defining at least one inflatable section having dimensions in directions generally parallel to the first and second sheets; and

at least one conduit arranged in at least one of said inflatable section to maintain separation of the first and second sheets and at least one conduit defines a flow path along at least one of said dimensions of at least one inflatable section for improving fluid flow in and out of at least one inflatable section and inhibiting the formation of one or more fluid pockets during a compression cycle, wherein at least one conduit includes an inflatable elongated sheath, and further wherein the elongated sheath is formed from semi-rigid foam.

16. A compression sleeve, comprising:

a first sheet;

a second sheet attached to said first sheet and defining at least one inflatable section having dimensions in directions generally parallel to the first and second sheets; and

at least one conduit arranged in at least one of said inflatable section to maintain separation of the first and second sheets and at least one conduit defines a flow path along at least one of said dimensions of at least one inflatable section for improving fluid flow in and out of at least one inflatable section and inhibiting the formation of one or more fluid pockets during a compression cycle wherein at least one conduit includes an inflatable elongated sheath, and further wherein the elongated sheath includes a plurality of openings transversely positioned therethrough.

17. A compression sleeve, comprising:

a first sheet;

a second sheet attached to said first sheet and defining at least one inflatable section having dimensions in directions generally parallel to the first and second sheets; and

at least one conduit arranged in at least one of said inflatable section to maintain separation of the first and second sheets and at least one conduit defines a flow path along at least one of said dimensions of at least one inflatable section for improving fluid flow in and out of at least one inflatable section and inhibiting the formation of one or more fluid pockets during a compression cycle, wherein at least one conduit includes a beam having a web portion and two flange portions disposed on both ends of the web portion.

18. The compression sleeve as recited in claim 17, wherein the web portion includes a plurality of openings.

19. A compression sleeve, comprising:

a first sheet;

a second sheet attached to said first sheet and defining at least one inflatable section having dimensions in directions generally parallel to the first and second sheets; and

at least one conduit arranged in at least one of said inflatable section to maintain separation of the first and second sheets and at least one conduit defines a flow path along at least one of said dimensions of at least one inflatable section for improving fluid flow in and out of at least one inflatable section and inhibiting the formation of one or more fluid pockets during a compression cycle, wherein at least one conduit includes a plurality of longitudinal corrugated extrusions.

20. A compression sleeve, comprising:

a first sheet;

a second sheet attached to said first sheet and defining at least one inflatable section having dimensions in directions generally parallel to the first and second sheets; and

at least one conduit arranged in at least one of said inflatable section to maintain separation of the first and second sheets and at least one conduit defines a flow path along at least one of said dimensions of at least one inflatable section for improving fluid flow in and out of at least one inflatable section and inhibiting the formation of one or more fluid pockets during a compression cycle, wherein at least one conduit includes a plurality of styrene foam pellets positioned within the plurality of inflatable sections.

21. A compression sleeve, comprising:

a first sheet;

a second sheet attached to said first sheet and defining at least one inflatable section having dimensions in directions generally parallel to the first and second sheets; and

at least one conduit arranged in at least one of said inflatable section to maintain separation of the first and second sheets and at least one conduit defines a flow path along at least one of said dimensions of at least one inflatable section for improving fluid flow in and out of at least one inflatable section and inhibiting the formation of one or more fluid pockets during a compression cycle, wherein at least one conduit includes a base member and a plurality of ridges attached to a first surface of the base member, the height of the plurality of ridges is at a minimum at an outer edge of the base member and at a maximum at a central portion of the base member, and further wherein a central rib at the central portion of the base member has a height between 70 mils and 80 mils, thereby defining a low profile compression sleeve.

22. A method for applying pressure to a portion of a patient'"'"'s body, comprising the steps of:

attaching a sleeve to the portion of the patient'"'"'s body, the sleeve including a first sheet, a second sheet attached to said first sheet and defining at least one inflatable section having dimensions in directions generally parallel to the first and second sheets, and at least one conduit arranged in the at least one inflatable section to maintain separation of the first and second sheets;

connecting a lumen to a source of pressurized fluid, wherein the lumen is attached to the plurality of inflatable sections;

inflating the sleeve to a pressure, wherein the at least one conduit creates a passage for facilitating the flow of the pressurized fluid, at least one conduit includes a base member and a plurality of ridges attached to a first surface of the base member; and

deflating the sleeve, wherein a portion of the at least one conduit defines a flow path in one of said dimensions of the at least one inflatable section and the conduit channels pressurized fluid towards the lumen to inhibit the formation of one or more fluid pockets during a compression cycle.

23. The method of applying pressure according to claim 22, wherein the at least one inflatable section is oriented in a direction that is substantially transverse to a longitudinal axis of the limb.

24. The method of applying pressure according to claim 22, wherein the sleeve further comprises a plurality of fasteners comprising hook and loop fastener components adapted for securing the sleeve about a patient'"'"'s body.

25. The method of applying pressure according to claim 22, wherein the at least one conduit is fastened to one of the first or second sheets.

26. The method of applying pressure according to claim 22, wherein the sleeve is formed from polyvinyl chloride.

27. A compression sleeve comprising a first and a second sheet, the sheets sealed, at a sealing line, to form an inflatable section having dimensions in directions generally parallel to the first and second sheets, the inflatable section having at least one opening for the passageway of a fluid, wherein the inflatable section has at least one structure attached to an inner surface of the first or second sheet, the structure extends approximately from the sealing line inward and substantially along one of the dimensions of the first and second sheets of said inflatable section to maintain separation of the first and second sheets and the at least one structure defines a flow path along at least one of said dimensions, the structure capable of maintaining its shape and channeling the fluid at the interior of the inflatable section toward the passageway used for inflating the area between the first and second sheets, for improving fluid flow in and out of at least one inflatable section and substantially inhibiting the formation of one or more fluid pockets during a compression cycle.

28. A compression sleeve as recited in claim 27, wherein the at least one structure is a conduit.

29. A compression sleeve, comprising:

a first sheet;

a second sheet attached to said first sheet and defining at least one inflatable section having dimensions in directions generally parallel to the first and second sheets; and

wherein the compression sleeve further comprising a plurality of raised surfaces formed at an inner surface of the first or second sheet, the raised surface extend approximately from a sealing line inward and are substantially along one dimension of the first and second sheet, for improving fluid flow in and out of at least one inflatable section.

30. A method for applying pressure to a portion of a patient'"'"'s body, comprising the steps of:

attaching a sleeve to the portion of the patient'"'"'s body, the sleeve including a first sheet, a second sheet attached to said first sheet and defining at least one inflatable section having dimensions in directions generally parallel to the first and second sheets, and at least one conduit arranged in the at least one inflatable section to maintain separation of the first and second sheets;

connecting a lumen to a source of pressurized fluid, wherein the lumen is attached to the plurality of inflatable sections;

inflating the sleeve to a pressure, wherein the at least one conduit creates a passage for facilitating the flow of the pressurized fluid, and wherein at least one conduit is attached to an inner surface of the first or second sheet, the conduit extends approximately from the sealing line inward and is substantially along one of the dimensions of the first and second sheets of at least one of said inflatable section; and

deflating the sleeve, wherein a portion of the at least one conduit defines a flow path in one of said dimensions of the at least one inflatable section and the conduit channels pressurized fluid towards the lumen to inhibit the formation of one or more fluid pockets during a compression cycle.