WO1999037266B1 - Venous boot - Google Patents
Venous bootInfo
- Publication number
- WO1999037266B1 WO1999037266B1 PCT/US1999/001505 US9901505W WO9937266B1 WO 1999037266 B1 WO1999037266 B1 WO 1999037266B1 US 9901505 W US9901505 W US 9901505W WO 9937266 B1 WO9937266 B1 WO 9937266B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- chamber
- air
- person
- heel
- air chamber
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H9/00—Pneumatic or hydraulic massage
- A61H9/005—Pneumatic massage
- A61H9/0078—Pneumatic massage with intermittent or alternately inflated bladders or cuffs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H9/00—Pneumatic or hydraulic massage
- A61H9/005—Pneumatic massage
- A61H9/0078—Pneumatic massage with intermittent or alternately inflated bladders or cuffs
- A61H9/0085—Inflated by user's body movement, e.g. ambulatory devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/10—Leg
Abstract
This invention is a portable apparatus (50) for applying cyclic pressure to veins within a person's leg by applying cyclic pressure to an outer surface of the leg. The apparatus comprises a first air chamber (40) having a flexible wall portion adapted to be situated adjacent an outer surface of the leg, and a second air chamber (51) adapted to be positioned beneath the person's heel. This second chamber (51) is compressed to force air out of it when the person's heel bears downward thereon, and returnable to its uncompressed state when the downward heel force is removed therefrom. Conduit means (57) for permitting airflow between the first, and second air chambers (51), whereby air flows from the second chamber (51) into the first chamber. Pressure is cyclically increased in the first chamber urging the wall portion against the leg when the person's heel presses downward on the second chamber (51) where air flows from the first to second chamber (51), and pressure on the leg is reduced when the person's heel stops pressing on the second chamber (51).
Claims
AMENDED CLAIMS
[received by the International Bureau on 19 July 1999 (19.07.99); new claims 2-15 added; remaining claims unchanged (5 pages)]
2. A portable apparatus or applying cyclic pressure to veins within a person's leg by applying and releasing cyclic pressure to an outer surface of said leg, each application and release of pressure being a compression cycle, said apparatus comprising a- a first air chamber having a flexible wall portion and first fastening means for releasably securing said wall portion against said outer surface of said leg, b- a second air chamber and second fastening means for releasably securing said second air chamber to the person's foot only beneath the perso ! s heel , said second chamber being compressible from uncompressed state to force air out of it as an air flow when the person's heel bears downward thereon and returnable to its uncompressed state when the downward heel force is removed therefrom, c- conduit means communicating said air flow between said first and second air chambers, whereby air flows from said second chamber to said first chamber and pressure is increased in said first chamber urging said wall portion against said leg when the person's heel presses downward on said second chamber, and air flows from said first to said second chamber and pressure on the leg is reduced when the person's heel stops pressing on said second chamber, and d- a third air chamber having a flexible wall portion and third fastener means for releasably securing said flexible wall portion of said third air chamber against an outer surface of said person's ankle, e- said conduit means further communicating air flow between said second air chamber and said third air chamber at the same time and same compression cycle as air flow between 21 said first air chamber and said second air chamber .
3. A portable apparatus for applying cyclic pressure to veins within a person's leg by applying and releasing cyclic pressure to an outer surface of said leg, each application and release of pressure being a compression cycle, said apparatus comprising a- a first air chamber having a flexible wall portion and first fastening means for releasably securing said wall portion against said outer surface of said leg, b- a second air chamber and second fastening means for releasably securing said second air chamber to the person's foot only beneath the person ' s heel , said second chamber being compressible from uncompressed state to force air out of it as an air flow when the person ' s heel bears downward thereon and returnable to its uncompressed state when the downward heel force is removed therefrom, c- conduit means communicating said air flow between said first and second air chambers, whereby air flows from said second chamber to said first chamber and pressure is increased in said first chamber urging said wall portion against said leg when the person's heel presses downward on said second chamber, and air flows from the first to second chamber and pressure on the leg is reduced when the person's heel stops pressing on said second chamber, d- a fourth air chamber having a flexible wall portion and fourth fastener means for releasably securing said flexible wall portion of said third air chamber against an outer surface of said person's instep,
22 e- said conduit means further communicating air flow between said second air chamber and said fourth air chamber at the same time and same compression cycle as air flow between said first air chamber and said second air chamber.
4. Apparatus according to claim 2 further comprising d- a fourth air chamber having a flexible wall portion and fourth fastener means for releasably securing said flexible wall portion of said third air chamber against an outer surface of said person's instep, said conduit means further communicating air flow between said second air chamber and said fourth air chamber at the same time and same compression cycle as air flow between said first air chamber and said second air chamber.
5. Apparatus according to claim 2 wherein said first and third air chambers are in mutual communication.
6. Apparatus according to claim 3 wherein said first and fourth air chambers are in mutual communication.
7. Apparatus according to claim 4 wherein said first, third and fourth air chambers are in mutual communica ion.
8. Apparatus according to claim 5 wherein said first, second, and third air chambers are formed from two generally similar sheets of substantially air impervious sheet material, situated in overlying relationship, with their peripheral edges joined together, said two sheet forming a two-ply inflatable panel having opposite side edges, said panel being
23 wrappable about a person's foot to form a boo -like enclosure.
9. Apparatus according to claim 6 wherein said first, second and fourth air chambers are formed from two generally similar sheets of substantially air- impervious sheet material, situated in overlying relationship, with their peripheral edges joined together, said two sheet forming a two-ply inflatable panel having opposite side edges, said panel being wrappable about a person's foot to form a boot-like enclosure.
10. Apparatus according to claim 6 wherein said first, second, third and fourth air chambers are formed from two generally similar sheets of substantially air-impervious sheet material, situated in overlying relationship, with their peripheral edges joined together, said two sheet forming a two-ply inflatable panel having opposite side edges, said panel being wrappable about a person ' s foot to form a boo -like enclosure.
11. Apparatus according to claim 2 wherein said second fastening means comprises a strap between said opposite edges that overlies said person's ankle.
12. Apparatus according to claim 3 wherein said third fastening means comprises : a strap between said opposite edges that overlies said person's inste .
13. Apparatus according to claim 2 wherein boot comprises a heel portion and further comprises a sole portion extending axially from said heel portion for supporting and protecting the toes of a person wearing said boo .
14. Apparatus according to claim 3 wherein boot comprises a heel portion and further comprises a
24 sole portion extending axially from said heel portion for supporting and protecting the toes of a person lwitβeaarrii nnπg s caaiidl b hΛoaatt- .
15. Apparatus according to claim 2 where.in said fastening means comprises VELCRO brand fastener means .
25
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU25619/99A AU2561999A (en) | 1998-01-24 | 1999-01-25 | Venous boot |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1293998A | 1998-01-24 | 1998-01-24 | |
| US09/012,939 | 1998-01-24 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| WO1999037266A1 WO1999037266A1 (en) | 1999-07-29 |
| WO1999037266B1 true WO1999037266B1 (en) | 1999-09-02 |
| WO1999037266A9 WO1999037266A9 (en) | 1999-10-14 |
Family
ID=21757473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US1999/001505 WO1999037266A1 (en) | 1998-01-24 | 1999-01-25 | Venous boot |
Country Status (2)
| Country | Link |
|---|---|
| AU (1) | AU2561999A (en) |
| WO (1) | WO1999037266A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2382988A (en) * | 2001-12-11 | 2003-06-18 | Nile Allaf | Cyclically inflatable leg muscle cuff suitable for the prevention of deep vein thrombosis |
| GB0427313D0 (en) | 2004-12-14 | 2005-01-19 | Noclots Ltd | Cuff |
| US20110152734A1 (en) * | 2008-07-07 | 2011-06-23 | Zamboni Paolo | Device for pneumatic treatment of an inferior limb having peripheral arteriopathy problems |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB817521A (en) * | 1956-07-06 | 1959-07-29 | Selahaddin Rastgeldi | Apparatus for facilitating the blood circulation in the extremities |
| SU574213A1 (en) * | 1976-03-19 | 1977-09-30 | Каунасский Политехнический Институт Имени Антанаса Снечкуса | Device for stimulating venous circulation in lower extremities |
| US4372297A (en) * | 1980-11-28 | 1983-02-08 | The Kendall Company | Compression device |
| US4805601A (en) * | 1985-03-15 | 1989-02-21 | Eischen Sr Clement G | Device for lower limb extremity having weight-response pressure chambers |
| GB2263405B (en) * | 1992-01-16 | 1996-02-14 | Maher Asad Hamzeh | Ambulatory pneumatic compression device |
-
1999
- 1999-01-25 AU AU25619/99A patent/AU2561999A/en not_active Abandoned
- 1999-01-25 WO PCT/US1999/001505 patent/WO1999037266A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO1999037266A9 (en) | 1999-10-14 |
| AU2561999A (en) | 1999-08-09 |
| WO1999037266A1 (en) | 1999-07-29 |
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