CA2644260A1 - Method for generating a microbial deactivation fluid in an apparatus for deactivating instruments and devices - Google Patents

Method for generating a microbial deactivation fluid in an apparatus for deactivating instruments and devices Download PDF

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Publication number
CA2644260A1
CA2644260A1 CA002644260A CA2644260A CA2644260A1 CA 2644260 A1 CA2644260 A1 CA 2644260A1 CA 002644260 A CA002644260 A CA 002644260A CA 2644260 A CA2644260 A CA 2644260A CA 2644260 A1 CA2644260 A1 CA 2644260A1
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CA
Canada
Prior art keywords
fluid
compartment
microbial deactivation
chemical reagent
predetermined
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
Application number
CA002644260A
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French (fr)
Other versions
CA2644260C (en
Inventor
Christopher A. Jethrow
John J. Mayer
Dana M. Hall
Donald G. Rosenhamer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
American Sterilizer Co
Original Assignee
American Sterilizer Company
Christopher A. Jethrow
John J. Mayer
Dana M. Hall
Donald G. Rosenhamer
Steris Inc.
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Publication date
Application filed by American Sterilizer Company, Christopher A. Jethrow, John J. Mayer, Dana M. Hall, Donald G. Rosenhamer, Steris Inc. filed Critical American Sterilizer Company
Priority to CA2754021A priority Critical patent/CA2754021C/en
Publication of CA2644260A1 publication Critical patent/CA2644260A1/en
Application granted granted Critical
Publication of CA2644260C publication Critical patent/CA2644260C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
    • A61L2/186—Peroxide solutions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
    • A61B50/33—Trays
    • 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
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/04—Heat
    • 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
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/04—Heat
    • A61L2/06—Hot gas
    • 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
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
    • 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
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/22—Phase substances, e.g. smokes, aerosols or sprayed or atomised substances
    • 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
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/24—Apparatus using programmed or automatic operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B2050/005—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers with a lid or cover
    • A61B2050/0058—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers with a lid or cover closable by translation
    • A61B2050/006—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers with a lid or cover closable by translation perpendicular to the lid plane, e.g. by a downward movement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
    • A61B2050/3011—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments having carrying handles
    • 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
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/20—Gaseous substances, e.g. vapours
    • A61L2/208—Hydrogen peroxide
    • 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
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/12—Apparatus for isolating biocidal substances from the environment
    • A61L2202/121—Sealings, e.g. doors, covers, valves, sluices
    • 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
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/12—Apparatus for isolating biocidal substances from the environment
    • A61L2202/122—Chambers for sterilisation
    • 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
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/14—Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
    • 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
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/18—Aseptic storing means
    • A61L2202/182—Rigid packaging means
    • 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
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/20—Targets to be treated
    • A61L2202/21—Pharmaceuticals, e.g. medicaments, artificial body parts
    • 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
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/20—Targets to be treated
    • A61L2202/24—Medical instruments, e.g. endoscopes, catheters, sharps

Abstract

A method of generating a microbial deactivation fluid to circulate through an apparatus that has a decontamination chamber for holding medical instruments and devices, comprising the steps of: (a) providing a first compartment and a second compartment in the circulation system; (b) providing a chemical reagent in the first compartment and a builder composition in the second compartment; (c) causing a fluid to flow through the second compartment to mix with the builder composition to create an alkaline fluid; (d) when the alkaline fluid has reached a predetermined pH level, causing the alkaline fluid to flow through the first compartment to mix with the chemical reagent to dissolve the chemical reagent to generate a microbial deactivation fluid; and (e) continuing steps (c) and (d) to continue the generation of the microbial deactivation fluid.

Claims (26)

1. In an apparatus for deactivating medical instruments and devices having a circulation system for circulating a fluid through a decontamination chamber for holding medical instruments and devices, a method of generating a microbial deactivation fluid and exposing said devices to said microbial deactivation fluid comprising the steps of:
(a) providing a first compartment and a second compartment in said circulation system;
(b) providing a chemical reagent in a first compartment and a builder composition in a second compartment;
(c) causing a fluid to flow through said second compartment to mix with said builder composition to create an alkaline fluid;
(d) when said alkaline fluid has reached a predetermined pH level, causing said alkaline fluid to flow through said first compartment to mix with said chemical reagent to dissolve said chemical reagent to generate a microbial deactivation fluid;
(e) continuing steps (c) and (d) to continue the generation of said microbial deactivation fluid; and (f) when said microbial deactivation fluid has reached a minimum predetermined concentration, causing said microbial deactivation fluid to flow through said decontamination chamber.
2. A method as defined in claim 1, further comprising the step of:
(g) causing said microbial deactivation fluid to flow through said decontamination chamber at a predetermined temperature.
3. A method as defined in claim 2, wherein said predetermined temperature is between about 50°C and about 60°C.
4. A method as defined in claim 1, wherein said predetermined pH level is between about 8.0 and about 9Ø
5. A method as defined in claim 1, wherein said predetermined minimum concentration of said microbial deactivation fluid is between about 1250 ppm and about 2000 ppm.
6. A method as defined in claim 1, wherein said chemical reagent is acetylsalicylic acid.
7. A method as defined in claim 1, wherein said builder composition includes a pre-salt.
8. A method as defined in claim 7, wherein said pre-salt is sodium perborate.
9. In an apparatus for deactivating medical instruments and devices having a circulation system for circulating a fluid through a decontamination chamber for holding medical instruments and devices, a method of generating a microbial deactivation fluid comprising the steps of:
(a) providing a first compartment and a second compartment in said circulation system;
(b) providing a chemical reagent in a first compartment and a builder composition in a second compartment;
(c) causing a fluid having a temperature between about 45°C and about 60°C to flow through said second compartment to mix with said builder composition to create an alkaline fluid; and (d) when said alkaline fluid has reached a predetermined pH level, causing said alkaline fluid to flow through said first compartment to mix with said chemical reagent to dissolve said chemical reagent to generate a microbial deactivation;

(e) continuing steps (c) and (d) to continue the generation of said microbial deactivation fluid.
10. A method as defined in claim 9, further comprising the step of:
(f) causing said microbial deactivation fluid to flow through said decontamination chamber at a predetermined temperature.
11. A method as defined in claim 10, wherein said predetermined temperature is between about 50°C and about 60°C.
12. A method as defined in claim 9, wherein said pH level is between about 8.0 and about 9Ø
13. A method as defined in claim 9, wherein said chemical reagent is acetylsalicylic acid.
14. A method as defined in claim 9, wherein said builder composition includes a pre-salt.
15. A method as defined in claim 14, wherein said pre-salt is sodium perborate.
16. In an apparatus for deactivating medical instruments and devices having a circulation system for circulating a fluid through a decontamination chamber for holding medical instruments and devices, a method of generating a microbial deactivation fluid comprising the steps of:
(a) providing a first compartment and a second compartment in said circulation system;
(b) providing a chemical reagent in said first compartment and a builder composition in said second compartment;

(c) causing a fluid to flow through said second compartment to mix with said builder composition to create an alkaline fluid;
(d) when said alkaline fluid has reached a predetermined pH level, causing said alkaline fluid to flow through said first compartment to mix with said chemical reagent to dissolve said chemical reagent to generate a microbial deactivation fluid; and (e) continuing steps (c) and (d) to continue the generation of said microbial deactivation fluid.
17. A method as defined in claim 16, wherein said predetermined pH level is between about 8.0 and about 9Ø
18. A method as defined in claim 16, wherein said chemical reagent is acetylsalicylic acid.
19. A method as defined in claim 16, wherein said builder composition includes a pre-salt.
20. A method as defined in claim 19, wherein said pre-salt is sodium perborate.
21. In an apparatus for deactivating medical instruments and devices having a circulation system for circulating a fluid through a decontamination chamber for holding medical instruments and devices, a method of generating a microbial deactivation fluid comprising the steps of:
(a) providing a first compartment and a second compartment in said circulation system;
(b) providing a chemical reagent in said first compartment and a builder composition in said second compartment;
(c) causing a fluid to flow through said second compartment to mix with said builder composition to create an alkaline fluid;

(d) after a predetermined amount of time, causing said alkaline solution to flow through said first compartment to mix with said chemical reagent to dissolve said chemical reagent to generate a microbial deactivation fluid; and (e) continuing steps (c) and (d) to continue the generation of said microbial deactivation fluid.
22. A method as defined in claim 21, wherein said predetermined time is based on said first solution achieving a predetermined pH level.
23. A method as defined in claim 22, wherein said predetermined pH level is between about 8.0 and about 9Ø
24. A method as defined in claim 21, wherein said chemical reagent is acetylsalicylic acid.
25. A method as defined in claim 21, wherein said builder composition includes a pre-salt.
26. A method as defined in claim 25, wherein said pre-salt is sodium perborate.
CA2644260A 2006-03-06 2007-03-02 Method for generating a microbial deactivation fluid in an apparatus for deactivating instruments and devices Active CA2644260C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2754021A CA2754021C (en) 2006-03-06 2007-03-02 Method for generating a microbial deactivation fluid in an apparatus for deactivating instruments and devices

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US77946106P 2006-03-06 2006-03-06
US60/779,461 2006-03-06
PCT/US2007/005466 WO2007103232A2 (en) 2006-03-06 2007-03-02 Method for generating a microbial deactivation fluid in an apparatus for deactivating instruments and devices

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2754021A Division CA2754021C (en) 2006-03-06 2007-03-02 Method for generating a microbial deactivation fluid in an apparatus for deactivating instruments and devices

Publications (2)

Publication Number Publication Date
CA2644260A1 true CA2644260A1 (en) 2007-09-13
CA2644260C CA2644260C (en) 2012-05-15

Family

ID=38475370

Family Applications (8)

Application Number Title Priority Date Filing Date
CA2644260A Active CA2644260C (en) 2006-03-06 2007-03-02 Method for generating a microbial deactivation fluid in an apparatus for deactivating instruments and devices
CA2644866A Active CA2644866C (en) 2006-03-06 2007-03-02 Apparatus for deactivating instruments and devices
CA2645760A Active CA2645760C (en) 2006-03-06 2007-03-02 Apparatus for deactivating instruments and devices
CA2644628A Active CA2644628C (en) 2006-03-06 2007-03-02 Apparatus for deactivating instruments and devices
CA2644650A Active CA2644650C (en) 2006-03-06 2007-03-02 A container for holding items to be microbially deactivated in a reprocessor
CA2754021A Active CA2754021C (en) 2006-03-06 2007-03-02 Method for generating a microbial deactivation fluid in an apparatus for deactivating instruments and devices
CA002644259A Abandoned CA2644259A1 (en) 2006-03-06 2007-03-02 A cabinet for storing containers containing deactivated instruments and devices
CA002644633A Abandoned CA2644633A1 (en) 2006-03-06 2007-03-02 Apparatus for deactivating instruments and devices

Family Applications After (7)

Application Number Title Priority Date Filing Date
CA2644866A Active CA2644866C (en) 2006-03-06 2007-03-02 Apparatus for deactivating instruments and devices
CA2645760A Active CA2645760C (en) 2006-03-06 2007-03-02 Apparatus for deactivating instruments and devices
CA2644628A Active CA2644628C (en) 2006-03-06 2007-03-02 Apparatus for deactivating instruments and devices
CA2644650A Active CA2644650C (en) 2006-03-06 2007-03-02 A container for holding items to be microbially deactivated in a reprocessor
CA2754021A Active CA2754021C (en) 2006-03-06 2007-03-02 Method for generating a microbial deactivation fluid in an apparatus for deactivating instruments and devices
CA002644259A Abandoned CA2644259A1 (en) 2006-03-06 2007-03-02 A cabinet for storing containers containing deactivated instruments and devices
CA002644633A Abandoned CA2644633A1 (en) 2006-03-06 2007-03-02 Apparatus for deactivating instruments and devices

Country Status (7)

Country Link
US (8) US8012424B2 (en)
EP (7) EP1993616B1 (en)
AU (7) AU2007224160B2 (en)
CA (8) CA2644260C (en)
ES (5) ES2586730T3 (en)
TW (7) TW200744525A (en)
WO (7) WO2007103074A2 (en)

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