CA2644865A1 - System for administering reduced pressure treatment having a manifold with a primary flow passage and a blockage prevention member - Google Patents
System for administering reduced pressure treatment having a manifold with a primary flow passage and a blockage prevention member Download PDFInfo
- Publication number
- CA2644865A1 CA2644865A1 CA002644865A CA2644865A CA2644865A1 CA 2644865 A1 CA2644865 A1 CA 2644865A1 CA 002644865 A CA002644865 A CA 002644865A CA 2644865 A CA2644865 A CA 2644865A CA 2644865 A1 CA2644865 A1 CA 2644865A1
- Authority
- CA
- Canada
- Prior art keywords
- flow passage
- flexible wall
- primary flow
- manifold
- primary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002265 prevention Effects 0.000 title claims abstract 9
- 238000010926 purge Methods 0.000 claims abstract 4
- 210000001519 tissue Anatomy 0.000 claims 28
- 239000000463 material Substances 0.000 claims 12
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 8
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims 8
- 230000001413 cellular effect Effects 0.000 claims 8
- 238000000034 method Methods 0.000 claims 6
- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 claims 4
- 229920001661 Chitosan Polymers 0.000 claims 4
- 102000008186 Collagen Human genes 0.000 claims 4
- 108010035532 Collagen Proteins 0.000 claims 4
- 229920000954 Polyglycolide Polymers 0.000 claims 4
- 229920000331 Polyhydroxybutyrate Polymers 0.000 claims 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 4
- 239000005312 bioglass Substances 0.000 claims 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 4
- 239000001506 calcium phosphate Substances 0.000 claims 4
- 229910000389 calcium phosphate Inorganic materials 0.000 claims 4
- 235000011010 calcium phosphates Nutrition 0.000 claims 4
- 229920001436 collagen Polymers 0.000 claims 4
- 229920002674 hyaluronan Polymers 0.000 claims 4
- 229960003160 hyaluronic acid Drugs 0.000 claims 4
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims 4
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims 4
- 239000005015 poly(hydroxybutyrate) Substances 0.000 claims 4
- 229920000218 poly(hydroxyvalerate) Polymers 0.000 claims 4
- 229920000747 poly(lactic acid) Polymers 0.000 claims 4
- 229920002463 poly(p-dioxanone) polymer Polymers 0.000 claims 4
- 229920002627 poly(phosphazenes) Polymers 0.000 claims 4
- 229920001610 polycaprolactone Polymers 0.000 claims 4
- 239000004632 polycaprolactone Substances 0.000 claims 4
- 239000000622 polydioxanone Substances 0.000 claims 4
- 239000004633 polyglycolic acid Substances 0.000 claims 4
- 239000004626 polylactic acid Substances 0.000 claims 4
- -1 polyorthoesthers Polymers 0.000 claims 4
- 229920002635 polyurethane Polymers 0.000 claims 4
- 239000004814 polyurethane Substances 0.000 claims 4
- 229910001220 stainless steel Inorganic materials 0.000 claims 4
- 239000010935 stainless steel Substances 0.000 claims 4
- 229910052715 tantalum Inorganic materials 0.000 claims 4
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims 4
- 229910052719 titanium Inorganic materials 0.000 claims 4
- 239000010936 titanium Substances 0.000 claims 4
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims 4
- 210000000577 adipose tissue Anatomy 0.000 claims 2
- 230000004323 axial length Effects 0.000 claims 2
- 210000000845 cartilage Anatomy 0.000 claims 2
- 210000002808 connective tissue Anatomy 0.000 claims 2
- 230000002500 effect on skin Effects 0.000 claims 2
- 210000003041 ligament Anatomy 0.000 claims 2
- 229920002529 medical grade silicone Polymers 0.000 claims 2
- 210000003205 muscle Anatomy 0.000 claims 2
- 230000001537 neural effect Effects 0.000 claims 2
- 229920000642 polymer Polymers 0.000 claims 2
- 210000002435 tendon Anatomy 0.000 claims 2
- 230000002792 vascular Effects 0.000 claims 2
- 229920005830 Polyurethane Foam Polymers 0.000 claims 1
- 239000012080 ambient air Substances 0.000 claims 1
- 239000011496 polyurethane foam Substances 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 230000008467 tissue growth Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract 1
Classifications
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Abstract
A reduced pressure delivery system is provided and includes a primary manifold, a blockage prevention member, and first and second conduits in fluid communication with the primary manifold. The primary manifold includes a flexible wall surrounding a primary flow passage and is adapted to be placed in proximity to a tissue site. The blockage prevention member is positioned within the primary flow passage. A plurality of apertures is disposed in the flexible wall to communicate with the primary flow passage. The first conduit is fluidly connected to the primary flow passage to deliver reduced pressure through the primary flow passage and the plurality of apertures. The second conduit includes an outlet proximate the primary flow passage or an outlet of the first conduit to purge the primary flow passage or first conduit to prevent blockages.
Claims (47)
1. A reduced pressure delivery system for applying a reduced pressure tissue treatment to a tissue site comprising:
a primary manifold having a flexible wall surrounding a primary flow passage and adapted to be placed in proximity to the tissue site, the flexible wall including an inner surface having a plurality of projections extending from at least a portion of the inner surface and into the primary flow passage, the flexible wall further including a plurality of apertures through the flexible wall and communicating with the primary flow passage;
a first conduit fluidly connected to the primary flow passage to deliver reduced pressure through the primary flow passage and the plurality of apertures; and a second conduit having at least one outlet in proximity to the primary flow passage or the at least one outlet of the first conduit to purge blockages at or near the at least one outlet of the first conduit.
a primary manifold having a flexible wall surrounding a primary flow passage and adapted to be placed in proximity to the tissue site, the flexible wall including an inner surface having a plurality of projections extending from at least a portion of the inner surface and into the primary flow passage, the flexible wall further including a plurality of apertures through the flexible wall and communicating with the primary flow passage;
a first conduit fluidly connected to the primary flow passage to deliver reduced pressure through the primary flow passage and the plurality of apertures; and a second conduit having at least one outlet in proximity to the primary flow passage or the at least one outlet of the first conduit to purge blockages at or near the at least one outlet of the first conduit.
2. The system according to claim 1, wherein the first and second conduits are part of a multi-lumen tube.
3. The system according to claim 2, wherein the flexible wall and multi-lumen tube are co-extruded.
4. The system according to claim 1, wherein the first and second conduits are part of a multi-lumen tube;
the flexible wall is connected at one end to the multi-lumen tube; and the primary flow passage is capped at an end of the flexible wall opposite the end connected to the multi-lumen tube.
the flexible wall is connected at one end to the multi-lumen tube; and the primary flow passage is capped at an end of the flexible wall opposite the end connected to the multi-lumen tube.
5. The system according to claim 1, wherein the second conduit is at least partially positioned within the flexible wall.
6. The system according to claim 1, wherein the flexible wall is constructed from a medical grade silicone polymer.
7. The system according to claim 1, wherein the flexible wall is substantially rectangular in cross-section.
8. The system according to claim 1, wherein the flexible wall is substantially cylindrical along at least a portion of its axial length.
9. The system according to claim 8, wherein the substantially cylindrical flexible wall subtends an arc of 360 degrees.
10. The system according to claim1, wherein the projections prevent obstruction of the primary flow passage by preventing the flexible wall from fully collapsing during application of reduced pressure through the primary flow passage.
11. The system according to claim 1, wherein the tissue site is comprised of tissue selected from the group of adipose tissue, muscle tissue, neural tissue, dermal tissue, vascular tissue, connective tissue, cartilage, tendons, and ligaments.
12. The system according to claim 1 further comprising a secondary manifold adapted to be positioned adjacent the primary manifold and to communicate reduced pressure from the primary manifold to the tissue site.
13. The system according to claim 12, wherein the secondary manifold is bioabsorbable.
14. The system according to claim 12, wherein the secondary manifold is a felted mat.
15. The system according to claim 12, wherein the secondary manifold is a scaffold and is comprised of at least one material selected from the group of polylactic acid, polyglycolic acid, polycaprolactone, polyhydroxybutyrate, polyhydroxyvalerate, polydioxanone, polyorthoesthers, polyphosphazenes, polyurethanes, collagen, hyaluronic acid, chitosan, hydroxyapatite, calcium phosphate, calcium sulfate, calcium carbonate, bioglass, stainless steel, titanium, tantalum, allografts, and autografts.
16. A reduced pressure delivery system for applying a reduced pressure tissue treatment to a tissue site comprising:
a primary manifold having a flexible wall surrounding a primary flow passage and adapted to be placed in proximity to the tissue site, the flexible wall including a plurality of apertures through the flexible wall and communicating with the primary flow passage;
a cellular material positioned within the primary flow passage, the cellular material having a plurality of flow channels;
a first conduit fluidly connected to the primary flow passage to deliver reduced pressure through the primary flow passage, the cellular material, and the plurality of apertures; and a second conduit having at least one outlet in proximity to the primary flow passage or the at least one outlet of the first conduit to purge blockages at or near the at least one outlet of the first conduit.
a primary manifold having a flexible wall surrounding a primary flow passage and adapted to be placed in proximity to the tissue site, the flexible wall including a plurality of apertures through the flexible wall and communicating with the primary flow passage;
a cellular material positioned within the primary flow passage, the cellular material having a plurality of flow channels;
a first conduit fluidly connected to the primary flow passage to deliver reduced pressure through the primary flow passage, the cellular material, and the plurality of apertures; and a second conduit having at least one outlet in proximity to the primary flow passage or the at least one outlet of the first conduit to purge blockages at or near the at least one outlet of the first conduit.
17. The system according to claim 16, wherein the first and second conduits are part of a multi-lumen tube.
18. The system according to claim 17, wherein the flexible wall and multi-lumen tube are co-extruded.
19. The system according to claim 16, wherein the first and second conduits are part of a multi-lumen tube;
the flexible wall is connected at one end to the multi-lumen tube; and the primary flow passage is capped at an end of the flexible wall opposite the end connected to the multi-lumen tube.
the flexible wall is connected at one end to the multi-lumen tube; and the primary flow passage is capped at an end of the flexible wall opposite the end connected to the multi-lumen tube.
20. The system according to claim 16, wherein the second conduit is at least partially positioned within the flexible wall.
21. The system according to claim 16, wherein the flexible wall is constructed from a medical grade silicone polymer.
22. The system according to claim 16, wherein the flexible wall is reinforced to prevent collapse under reduced pressure.
23. The system according to claim 16, wherein the flexible wall is substantially rectangular in cross-section.
24. The system according to claim 16, wherein the flexible wall is substantially cylindrical along at least a portion of its axial length.
25. The system according to claim 24, wherein the substantially cylindrical flexible wall subtends an arc of 360 degrees.
26. The system according to claim 16, wherein the cellular material prevents obstruction of the primary flow passage by preventing the flexible wall from fully collapsing during application of reduced pressure through the primary flow passage.
27. The system according to claim 16, wherein the tissue site is comprised of tissue selected from the group of adipose tissue, muscle tissue, neural tissue, dermal tissue, vascular tissue, connective tissue, cartilage, tendons, and ligaments.
28. The system according to claim 16, wherein the cellular material is a reticulated, polyurethane foam.
29. The system according to claim 16 further comprising a secondary manifold adapted to be positioned adjacent the primary manifold and to communicate reduced pressure from the primary manifold to the tissue site.
30. The system according to claim 29, wherein the secondary manifold is bioabsorbable.
31. The system according to claim 29, wherein the secondary manifold is a felted mat.
32. The system according to claim 29, wherein the secondary manifold is a scaffold and is comprised of at least one material selected from the group of polylactic acid, polyglycolic acid, polycaprolactone, polyhydroxybutyrate, polyhydroxyvalerate, polydioxanone, polyorthoesthers, polyphosphazenes, polyurethanes, collagen, hyaluronic acid, chitosan, hydroxyapatite, calcium phosphate, calcium sulfate, calcium carbonate, bioglass, stainless steel, titanium, tantalum, allografts, and autografts.
33. A reduced pressure delivery system for applying a reduced pressure tissue treatment to a tissue site comprising:
a primary manifold having a flexible wall surrounding a primary flow passage and adapted to be placed in proximity to the tissue site, the primary manifold including a blockage prevention member positioned within the primary flow passage, the flexible wall including a plurality of apertures through the flexible wall and communicating with the primary flow passage;
a secondary manifold positioned adjacent the primary manifold and adapted to contact the tissue site such that the secondary manifold fluidly communicates with the primary manifold but is adapted to prevent contact between the primary manifold and the tissue site; and a first conduit fluidly connected to the primary flow passage to deliver reduced pressure through the primary flow passage and the plurality of apertures.
a primary manifold having a flexible wall surrounding a primary flow passage and adapted to be placed in proximity to the tissue site, the primary manifold including a blockage prevention member positioned within the primary flow passage, the flexible wall including a plurality of apertures through the flexible wall and communicating with the primary flow passage;
a secondary manifold positioned adjacent the primary manifold and adapted to contact the tissue site such that the secondary manifold fluidly communicates with the primary manifold but is adapted to prevent contact between the primary manifold and the tissue site; and a first conduit fluidly connected to the primary flow passage to deliver reduced pressure through the primary flow passage and the plurality of apertures.
34. The system according to claim 33, wherein the blockage prevention member is a plurality of projections disposed on an inner surface of the flexible wall and extending into the primary flow passage.
35. The system according to claim 33, wherein the blockage prevention member is a cellular material disposed within the primary flow passage.
36. The system according to claim 33, wherein the secondary manifold is bioabsorbable.
37. The system according to claim 33, wherein the secondary manifold is a felted mat.
38. The system according to claim 33, wherein the secondary manifold is a scaffold and is comprised of at least one material selected from the group of polylactic acid, polyglycolic acid, polycaprolactone, polyhydroxybutyrate, polyhydroxyvalerate, polydioxanone, polyorthoesthers, polyphosphazenes, polyurethanes, collagen, hyaluronic acid, chitosan, hydroxyapatite, calcium phosphate, calcium sulfate, calcium carbonate, bioglass, stainless steel, titanium, tantalum, allografts, and autografts.
39. A method promoting tissue growth at a tissue site comprising:
surgically positioning a primary manifold in proximity to the tissue site, the primary manifold having a flexible wall surrounding a primary flow passage, the flexible wall including a plurality of apertures through the flexible wall and communicating with the primary flow passage, the primary manifold further including a blockage prevention member positioned within the primary flow passage;
surgically positioning a secondary manifold in contact with the tissue site such that the secondary manifold fluidly communicates with the primary manifold but prevents contact between the primary manifold and the tissue site; and delivering a reduced pressure to the tissue site through the primary flow passage, the plurality of apertures, and the secondary manifold.
surgically positioning a primary manifold in proximity to the tissue site, the primary manifold having a flexible wall surrounding a primary flow passage, the flexible wall including a plurality of apertures through the flexible wall and communicating with the primary flow passage, the primary manifold further including a blockage prevention member positioned within the primary flow passage;
surgically positioning a secondary manifold in contact with the tissue site such that the secondary manifold fluidly communicates with the primary manifold but prevents contact between the primary manifold and the tissue site; and delivering a reduced pressure to the tissue site through the primary flow passage, the plurality of apertures, and the secondary manifold.
40. The method according to claim 39, wherein the blockage prevention member is a cellular material disposed within the primary flow passage, the cellular material having a plurality of flow channels.
41. The method according to claim 39, wherein the blockage prevention member is a plurality of projections extending from an inner surface of the flexible wall and into the primary flow passage.
42. The system according to claim 39, wherein the secondary manifold is a felted mat.
43. The system according to claim 39, wherein the secondary manifold is a scaffold and is comprised of at least one material selected from the group of polylactic acid, polyglycolic acid, polycaprolactone, polyhydroxybutyrate, polyhydroxyvalerate, polydioxanone, polyorthoesthers, polyphosphazenes, polyurethanes, collagen, hyaluronic acid, chitosan, hydroxyapatite, calcium phosphate, calcium sulfate, calcium carbonate, bioglass, stainless steel, titanium, tantalum, allograffts, and autografts.
44. The method according to claim 39 further comprising:
percutaneously removing the primary manifold following completion of reduced pressure tissue treatment.
percutaneously removing the primary manifold following completion of reduced pressure tissue treatment.
45. The method according to claim 39 further comprising:
percutaneously removing the primary manifold following completion of reduced pressure tissue treatment; and wherein the secondary manifold is bioabsorbable.
percutaneously removing the primary manifold following completion of reduced pressure tissue treatment; and wherein the secondary manifold is bioabsorbable.
46. The method according to claim 39 further comprising purging the primary flow passage with ambient air to prevent blockages within the primary flow passage.
47
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US78217106P | 2006-03-14 | 2006-03-14 | |
US60/782,171 | 2006-03-14 | ||
US11/724,072 | 2007-03-13 | ||
US11/724,072 US20070219585A1 (en) | 2006-03-14 | 2007-03-13 | System for administering reduced pressure treatment having a manifold with a primary flow passage and a blockage prevention member |
PCT/US2007/006647 WO2007106590A2 (en) | 2006-03-14 | 2007-03-14 | System for administering reduced pressure treatment having a manifold with a primary flow passage and a blockage prevention member |
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CA2644864A Active CA2644864C (en) | 2006-03-14 | 2007-03-14 | Use of percutaneous tube for administering reduced pressure treatment using balloon dissection |
CA2644898A Expired - Fee Related CA2644898C (en) | 2006-03-14 | 2007-03-14 | System for percutaneously administering reduced pressure treatment using balloon dissection |
CA2644865A Active CA2644865C (en) | 2006-03-14 | 2007-03-14 | System for administering reduced pressure treatment having a manifold with a primary flow passage and a blockage prevention member |
CA2810300A Active CA2810300C (en) | 2006-03-14 | 2007-03-14 | Use of percutaneous tube for administering reduced pressure treatment using balloon dissection |
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CA2644864A Active CA2644864C (en) | 2006-03-14 | 2007-03-14 | Use of percutaneous tube for administering reduced pressure treatment using balloon dissection |
CA2644898A Expired - Fee Related CA2644898C (en) | 2006-03-14 | 2007-03-14 | System for percutaneously administering reduced pressure treatment using balloon dissection |
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CA2810300A Active CA2810300C (en) | 2006-03-14 | 2007-03-14 | Use of percutaneous tube for administering reduced pressure treatment using balloon dissection |
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EP (4) | EP1993491B1 (en) |
JP (9) | JP4943498B2 (en) |
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