CA2437694A1 - Bioabsorbable polymeric implants and a method of using the same to create occlusions - Google Patents
Bioabsorbable polymeric implants and a method of using the same to create occlusions Download PDFInfo
- Publication number
- CA2437694A1 CA2437694A1 CA002437694A CA2437694A CA2437694A1 CA 2437694 A1 CA2437694 A1 CA 2437694A1 CA 002437694 A CA002437694 A CA 002437694A CA 2437694 A CA2437694 A CA 2437694A CA 2437694 A1 CA2437694 A1 CA 2437694A1
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- CA
- Canada
- Prior art keywords
- biocompatible
- implant
- bioabsorbable polymer
- providing
- growth factor
- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L31/18—Materials at least partially X-ray or laser opaque
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
- A61B17/12113—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel within an aneurysm
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/1214—Coils or wires
- A61B17/12145—Coils or wires having a pre-set deployed three-dimensional shape
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/1214—Coils or wires
- A61B17/1215—Coils or wires comprising additional materials, e.g. thrombogenic, having filaments, having fibers, being coated
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/04—Macromolecular materials
- A61L31/043—Proteins; Polypeptides; Degradation products thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/04—Macromolecular materials
- A61L31/06—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/08—Materials for coatings
- A61L31/082—Inorganic materials
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/08—Materials for coatings
- A61L31/10—Macromolecular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L31/148—Materials at least partially resorbable by the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L31/16—Biologically active materials, e.g. therapeutic substances
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00004—(bio)absorbable, (bio)resorbable, resorptive
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/412—Tissue-regenerating or healing or proliferative agents
- A61L2300/414—Growth factors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/418—Agents promoting blood coagulation, blood-clotting agents, embolising agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/60—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a special physical form
- A61L2300/602—Type of release, e.g. controlled, sustained, slow
- A61L2300/604—Biodegradation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/36—Materials or treatment for tissue regeneration for embolization or occlusion, e.g. vaso-occlusive compositions or devices
Abstract
An embolic, bioabsorbable polymeric material (BPM) is incorporated into a coil to improve long-term anatomic results in the endovascular treatment of intracranial aneurysms. The material includes at least one biocompatible and bioabsorbable polymer and growth factors, is carried by hybrid bioactive coils and is used to accelerate histopathologic transformation of unorganized clot into fibrous connective tissue in aneurysms. An endovascular cellular manipulation and inflammatory response are elicited from implantation in a vascular location. Thrombogenicity of the biocompatible and bioabsorbable polymer is controlled by the composition of or proportioning the ratio of constituents marking up the polymer. The biocompatible and bioabsorbable polymer is at least one polymer selected for the group consisting of polyglycolic acid, poly-glycolic acid/poly-L-lactic acid copolymers, polycaprolactive, polyhydroxbutyrate/hydroxyvalerate copolymers, poly-L-lactide, polydioxanone, polycarbonates, and polyanhydrides.
Claims (39)
1. An endovascular apparatus for developing an inflammatory response in a body cavity with cellular manipulation comprising:
a separable implant comprised at least in part of at least one biocompatible and bioabsorbable polymer; and an endovascular placement device associated with said separable implant adapted to dispose said implant into said body cavity.
a separable implant comprised at least in part of at least one biocompatible and bioabsorbable polymer; and an endovascular placement device associated with said separable implant adapted to dispose said implant into said body cavity.
2. The apparatus of claim 1 wherein said implant further is comprised at least in part of a noncollagenous protein.
3. The apparatus of claim 1 wherein said implant further is comprised at least in part of a growth factor.
4. The apparatus of claim 3 wherein said implant further is comprised at least in part of a one selected from the group of VEGF, b-FGF, TGF, PDGF or mixtures thereof.
5. The apparatus of claim 3 wherein said implant further is comprised at least in part of a basic fibroblast growth factor.
6. The apparatus of claim 4 wherein said implant further is comprised at least in part of a mixture of said vascular endothelial growth factor and a basic fibroblast growth factor.
7. The apparatus of claim 1 wherein said biocompatible and bioabsorbable polymer is at least one polymer selected from the group consisting of polyglycolic acid, poly~glycolic acid/poly-L-lactic acid copolymers, polycaprolactive, polyhydroxybutyrate/hydroxyvalerate copolymers, poly-L-lactide, polydioxanone, polycarbonates, and polyanhydrides.
8. The apparatus of claim 2 wherein said biocompatible and bioabsorbable protein is at least one protein selected from the group consisting of fibrinogen, fibronectin, vitronectin, laminin, and gelatin.
9. The apparatus of claim 1 wherein a radio-opaque material is disposed on said implant.
10. The apparatus of claim 1 wherein said implant composed of a radio-opaque material, and wherein said biocompatible and bioabsorbable polymer or protein is disposed thereon.
11. The apparatus of claim 1 wherein said biocompatible and bioabsorbable polymer promotes cellular manipulation, controlled inflammatory response and vascular healing.
12. A method for creating an inflammatory response in a body cavity comprising:
providing a separable implant comprised at least in part of at least one biocompatible and bioabsorbable polymer; and disposing said separable implant into said body cavity.
providing a separable implant comprised at least in part of at least one biocompatible and bioabsorbable polymer; and disposing said separable implant into said body cavity.
13. The method of claim 12 further providing said implant with a noncollagenous protein.
14. The method of claim 12 further providing said implant with a growth factor.
15. The method of claim 14 wherein providing said implant with a growth factor comprises providing said implant with a vascular endothelial growth factor.
16. The method of claim 14 wherein providing said implant with a growth factor comprises providing said implant with a basic fibroblast growth factor.
17. The method of claim 15 wherein providing said implant with a growth factor comprises providing said implant with a mixture of said vascular endothelial growth factor and a basic fibroblast growth factor.
18. The method of claim 12 wherein providing said separable implant comprised with said biocompatible and bioabsorbable polymer comprises providing said implant with at least one polymer selected from the group consisting of polyglycolic acid, poly~glycolic acid/poly-L-lactic acid copolymers, polycaprolactive, polyhydroxybutyrate/hydroxyvalerate copolymers, poly-L-lactide, polydioxanone, polycarbonates, and polyanhydrides.
19. The method of claim 13 wherein providing said separable implant comprised with said biocompatible and bioabsorbable protein comprising providing at least one protein selected from the group consisting of fibrinogen, fibronectin, vitronectin, laminin, and gelatin.
20. The method of claim 12 wherein providing said implant provides a implant composed of said biocompatible and bioabsorbable polymer with a radio-opaque material is disposed thereon.
21. The method of claim 12 wherein providing said implant provides a implant composed of a radio-opaque material with said biocompatible and bioabsorbable polymer is disposed thereon.
22. The apparatus of claim 1 where said biocompatible and bioabsorbable polymer does not elicit intense chronic foreign body reaction.
23. The apparatus of claim 1 where said endovascular placement device is used to dispose said implant at an implantation site and where said biocompatible and bioabsorbable polymer is gradually absorbed and does not leave residua in said implantation site.
24. The apparatus of claim 1 where said biocompatible and bioabsorbable polymer is faster degrading and provides a stronger inflammatory reaction than metal coils.
25. The apparatus of claim 1 where said biocompatible and bioabsorbable polymer has a selected composition to provide a controlled degradation time to thereby control intravascular inflammatory reactions.
26. The apparatus of claim 1 where said biocompatible and bioabsorbable polymer regenerates tissue through the interaction of immunologic cells.
27. The apparatus of claim 1 where said biocompatible and bioabsorbable polymer stimulates cellular infiltration and proliferation in the process of degradation to accelerate fibrosis.
28. The apparatus of claim 1 where said biocompatible and bioabsorbable polymer accelerates fibrosis within an aneurysm to more strongly anchor said implant than does metal coils.
29. The apparatus of claim 1 where said biocompatible and bioabsorbable polymer is characterized by generating more connective tissue and a less unorganized clot than metal coils so that an aneurysm in which said implant is disposed is more resistant to a water hammer effect of pulsatile blood than when treated by metal coils.
30. The apparatus of claim 1 where said biocompatible and bioabsorbable polymer restricts coil compaction by accelerated scar formation.
31. The apparatus of claim 1 where said biocompatible and bioabsorbable polymer restricts aneurysm recanalization by accelerated scar formation.
32. The apparatus of claim 1 where said biocompatible and bioabsorbable polymer induces organized connective tissue to fill an aneurysm and to retract said aneurysm over time due to maturation of collagen fibers to reduce aneurysm size and decrease aneurysm compression on brain parenchyma or cranial nerves.
33 33. The apparatus of claim 1 where said biocompatible and bioabsorbable polymer is less thrombogenic than metal coils and accelerates aneurysm healing with less thrombogenicity.
34. The apparatus of claim 1 where said biocompatible and bioabsorbable polymer comprises a mixture of polyglycolic/ poly-L-lactic acid copolymers with a 90/10 molar ratio of glycolic to L-lactic acid.
35. The apparatus of claim 1 where said implant is a hybrid bioactive coil.
36. The apparatus of claim 35 where said hybrid bioactive coil is a composite of said biocompatible and bioabsorbable polymer and an inert biocompatible coil.
37. The apparatus of claim 36 where said inert biocompatible coil is a platinum coil.
38. The apparatus of claim 36 where said composite of said biocompatible and bioabsorbable polymer and an inert biocompatible coil comprises a layer of said biocompatible and bioabsorbable polymer on said inert biocompatible coil.
39. The apparatus of claim 36 where said composite of said biocompatible and bioabsorbable polymer and an inert biocompatible coil comprises threads of said biocompatible and bioabsorbable polymer attached to said inert biocompatible coil.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/785,743 US7070607B2 (en) | 1998-01-27 | 2001-02-16 | Bioabsorbable polymeric implants and a method of using the same to create occlusions |
US09/785,743 | 2001-02-16 | ||
PCT/US2002/004105 WO2002066091A2 (en) | 2001-02-16 | 2002-02-11 | Bioabsobable polmeric implants and a method of using the same to create occlusions |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2437694A1 true CA2437694A1 (en) | 2002-08-29 |
CA2437694C CA2437694C (en) | 2012-09-04 |
Family
ID=25136501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2437694A Expired - Fee Related CA2437694C (en) | 2001-02-16 | 2002-02-11 | Bioabsorbable polymeric implants and a method of using the same to create occlusions |
Country Status (8)
Country | Link |
---|---|
US (2) | US7070607B2 (en) |
EP (2) | EP1900382A3 (en) |
JP (1) | JP4630525B2 (en) |
AT (1) | ATE509644T1 (en) |
AU (1) | AU2002240349A1 (en) |
CA (1) | CA2437694C (en) |
ES (1) | ES2362718T3 (en) |
WO (1) | WO2002066091A2 (en) |
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US8388643B2 (en) | 2013-03-05 |
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EP1900382A3 (en) | 2008-04-02 |
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