CA2539979A1 - Through the scope tension member release clip - Google Patents

Through the scope tension member release clip Download PDF

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Publication number
CA2539979A1
CA2539979A1 CA002539979A CA2539979A CA2539979A1 CA 2539979 A1 CA2539979 A1 CA 2539979A1 CA 002539979 A CA002539979 A CA 002539979A CA 2539979 A CA2539979 A CA 2539979A CA 2539979 A1 CA2539979 A1 CA 2539979A1
Authority
CA
Canada
Prior art keywords
clip
yoke
capsule
control element
tension member
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
CA002539979A
Other languages
French (fr)
Other versions
CA2539979C (en
Inventor
Russell F. Durgin
William C. Mers Kelly
Lance Alan Wolf
Brian Keith Wells
Vasily P. Abramov
Gregory R. Furnish
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.)
Boston Scientific Ltd Barbados
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34426925&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2539979(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US10/674,512 external-priority patent/US7494461B2/en
Application filed by Individual filed Critical Individual
Publication of CA2539979A1 publication Critical patent/CA2539979A1/en
Application granted granted Critical
Publication of CA2539979C publication Critical patent/CA2539979C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/0682—Surgical staplers, e.g. containing multiple staples or clamps for applying U-shaped staples or clamps, e.g. without a forming anvil
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/08—Wound clamps or clips, i.e. not or only partly penetrating the tissue ; Devices for bringing together the edges of a wound
    • A61B17/083—Clips, e.g. resilient
    • 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
    • A61B17/122—Clamps or clips, e.g. for the umbilical cord
    • 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
    • A61B17/128—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips
    • A61B17/1285—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/70—Manipulators specially adapted for use in surgery
    • A61B34/71—Manipulators operated by drive cable mechanisms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/70—Manipulators specially adapted for use in surgery
    • A61B34/76—Manipulators having means for providing feel, e.g. force or tactile feedback
    • 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
    • A61B17/122—Clamps or clips, e.g. for the umbilical cord
    • A61B17/1227—Spring clips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • A61B2017/003—Steerable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/0084—Material properties low friction
    • A61B2017/00845—Material properties low friction of moving parts with respect to each other
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/0084—Material properties low friction
    • A61B2017/00849—Material properties low friction with respect to tissue, e.g. hollow organs
    • 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
    • A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B17/2909—Handles
    • A61B2017/2912—Handles transmission of forces to actuating rod or piston
    • A61B2017/2919—Handles transmission of forces to actuating rod or piston details of linkages or pivot points
    • A61B2017/292—Handles transmission of forces to actuating rod or piston details of linkages or pivot points connection of actuating rod to handle, e.g. ball end in recess
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/70—Manipulators specially adapted for use in surgery
    • A61B34/71—Manipulators operated by drive cable mechanisms
    • A61B2034/715—Cable tensioning mechanisms for removing slack
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/03—Automatic limiting or abutting means, e.g. for safety
    • A61B2090/033—Abutting means, stops, e.g. abutting on tissue or skin
    • A61B2090/034—Abutting means, stops, e.g. abutting on tissue or skin abutting on parts of the device itself
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/03—Automatic limiting or abutting means, e.g. for safety
    • A61B2090/037—Automatic limiting or abutting means, e.g. for safety with a frangible part, e.g. by reduced diameter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/03—Automatic limiting or abutting means, e.g. for safety
    • A61B2090/038—Automatic limiting or abutting means, e.g. for safety during shipment

Abstract

A clip assembly includes a clip slidably mounted within a capsule so that, when the clip is drawn proximally into the capsule, arms of the clip are drawn to a closed position. As the clip is drawn into the capsule, an abutting surface of the arms contacts a surface of the capsule to provide a first user feedback indicating closure of the clip. A tension member connected to the clip arms biases them toward an open configuration and a yoke slidably received within the capsule is releasably coupled to the tension member. The yoke receives a connector of a delivery device control element maintaining the clip assembly coupled to the delivery device. The control element fails to detach the yoke from the delivery device, providing a second user feedback with release of the yoke from the tension member providing a third user feedback.

Claims (52)

1. Apparatus for deployment of a hemostatic clip comprising:
a shaft;
a capsule coupled to a distal portion of the shaft;
a clip within the capsule, arms of the clip cooperating with the capsule to provide a first user feedback indicating a decision configuration of the clip;
and a control element including a ball connector, the control element coupled to the clip by the ball connector to maintain the clip coupled to the shaft, wherein the control element includes a preselected failure point which, when subjected to a predetermined tension, separates to detach the clip from the shaft, providing a second user feedback indicating separation of the clip from the shaft.
2. The apparatus according to claim 1, further comprising an over sheath movable between a first position covering the shaft and the clip and a second position uncovering the clip.
3. The apparatus according to claim 2, further comprising an over sheath stop engageable on the shaft to prevent movement of the over sheath to the second position.
4. The apparatus according to claim 1, wherein the clip arms further comprise stop shoulders engaging a distal end of the capsule to provide the first user feedback during proximal movement of the control wire.
5. The apparatus according to claim 1, wherein the decision configuration indicates a position of the control element beyond which further proximal movement of the control element precludes return of the clip arms to an open configuration by a reversed movement of the control element.
6. The apparatus according to claim 1, wherein the capsule further comprises:
a yoke including a ball cavity receiving the ball connector, the yoke slidably mounted within the capsule; and a tension member releasably connected to the yoke, the tension member being connected to the clip arms and biasing the clip arms toward an open configuration, wherein the tension member releases from the yoke when a first predetermined tension is applied to the control element.
7. The apparatus according to claim 6, wherein the tension member and the yoke are releasably connected to one another by a male C section member and a female C section member.
8. The apparatus according to claim 7, wherein separation of the yoke and tension member occurs by one of fracture and deformation of the male C
section member.
9. The apparatus according to claim 6, wherein the first predetermined tension is at least approximately 4 lbf.
10. The apparatus according to claim 9, wherein the first predetermined tension is less than approximately 12 lbf.
11. The apparatus according to claim 6, wherein separation of the yoke from the tension member locks the clip arms in a closed configuration.
12. The apparatus according to claim 11, wherein proximal ends of the clip arms are biased radially outward with respect to an axis of the capsule and wherein separation of the tension member from the yoke frees the proximal ends of the clip arms to move radially outward and engage a locking structure on the capsule.
13. The apparatus according to claim 6, wherein the yoke includes a camming surface which, after the yoke has separated from the tension member, may be moved proximally to engage tabs of the bushing to release the tabs from corresponding slots in the capsule to separate the capsule from the bushing.
14. The apparatus according to claim 6, wherein distal movement of the control element, before separation of the yoke from the tension member, pushes the clip distally out of the capsule to release the clip arms into an open configuration.
15. The apparatus according to claim 1, wherein the first feedback includes one of tactile and aural feedback.
16. The apparatus according to claim 1, wherein the control element further comprises a reduced diameter section adjacent to the ball connector, the reduced diameter section yielding when the control element is subject to a second predetermined tension.
17. The apparatus according to claim 16, wherein the second predetermined tension is greater than the first predetermined tension.
18. The apparatus according to claim 16, wherein the second predetermined tension is between approximately 10 lbf and 20 lbf.
19. A clip deployment apparatus insertable to locations within a body through an endoscope, the apparatus comprising:
an elongated member extending from a proximal end to a distal end;
a control element extending from the proximal end of the elongated member to the distal end thereof;
a bushing coupled to the distal end of the elongated member;
a capsule connected to the bushing;
a clip coupled to the control element and slidable within the capsule, the clip including clip arms moveable between open and closed configurations;
a tension member slidable with the clip, the tension member biasing the clip arms toward the open configuration; and a yoke slidable within the capsule, a first end of the yoke being releasably connected to the tension member and a second end of the yoke being connected to the control element, wherein distal movement of the control element slides the clip into a distal position in which the clip arms move to the open configuration, and a proximal position in which the clip arms are withdrawn to the closed configuration.
20. The apparatus according to claim 19, wherein each of the clip arms comprises a radius section and wherein the capsule comprises a plurality of overhangs cooperating with the radius sections to retain the clip arms in the closed configuration when the clip arms are moved proximally within the capsule.
21. The apparatus according to claim 19, wherein each of the clip arms comprises stop shoulders and wherein the capsule comprises a plurality of distal folding tabs cooperating with the stop shoulders to provide a first user feedback indicative of proximal movement of the clip arms through a selected position in the capsule.
22. The apparatus according to claim 21, wherein the first user feedback includes an aural component and a tactile component.
23. The apparatus according to claim 21, wherein proximal movement of the control wire beyond a point at which the clip arms are in the selected position results in separation of the yoke from the tension member.
24. The apparatus according to claim 23, wherein separation of the yoke from the tension member precludes returning the clip arms to the open configuration.
25. The apparatus according to claim 23, wherein separation of the yoke from the tension member allows further proximal movement of the yoke to release the capsule from the bushing.
26. The apparatus according to claim 19, further comprising a ball and socket connection between the yoke and the control element.
27. The apparatus according to claim 26, wherein control element includes a failure point adjacent the ball, wherein, when the control element is subject to at least a predetermined separation tension, the control element separates at the failure point providing a second user feedback.
28. A hemostatic clip assembly for mounting on a delivery device comprising:
a capsule;
a clip slidably mounted within the capsule so that, when the clip is drawn proximally into the capsule, arms of the clip are drawn together to a closed position, an abutting surface of at least one of the arms contacting a corresponding surface of the capsule when the clip is drawn to a predetermined position within the capsule to provide a first user feedback indicating closure of the clip;
a tension member connected to the clip arms and biasing the clip arms toward an open, tissue receiving configuration; and a yoke slidably received within the capsule and releasably coupled to the tension member, the yoke including a ball cavity for receiving a ball connector of a control element of the delivery device to maintain the clip assembly coupled to the delivery device, wherein the control element is frangible to detach the yoke from the delivery device and to provide a second user feedback and, wherein release of the yoke from the tension member provides a third user feedback.
29. The clip assembly according to claim 28, wherein the capsule is sized so that, when the abutting surface contacts the corresponding surface of the capsule, a proximal end of the yoke extends out of a proximal end of the capsule to align the capsule with a distal end of the delivery device.
30. The clip assembly according to claim 28, wherein the first user feedback indicates a position at which, further proximal movement of the control element will preclude a return of the clip arms to the open configuration by a reversed movement of the control element.
31. The clip assembly according to claim 28, wherein a first one of the tension member and the yoke includes a male C section member and the other of the tension member and the yoke includes a female C section member releasably receiving the male C section member.
32. The clip assembly according to claim 31, wherein separation of the yoke from the tension member occurs by one of fracture and deformation of the male C section member.
33. The clip assembly according to claim 32, wherein the yoke and tension members separate only when subject to a tension of at least a predetermined separation tension.
34. The clip assembly according to claim 31, wherein the separation tension is at least approximately 4 lbf.
35. The clip assembly according to claim 34, wherein the separation tension is less than approximately 12 lbf.
36. The clip assembly according to claim 28, wherein separation of the yoke from the tension member locks the clip arms in a closed configuration.
37. The clip assembly according to claim 28, wherein separation of the yoke from the tension member allows further proximal movement of the yoke to release the capsule from the control element.
38. The clip assembly according to claim 28, wherein, before separation of the yoke from the tension member, distal movement of the control wire slides the clip arms distally out of the capsule into the open configuration.
39. The clip assembly according to claim 28, wherein the first feedback includes one of tactile and aural feedback.
40. The clip assembly according to claim 28, wherein the capsule includes a plurality of tab receiving openings formed adjacent a proximal end thereof, the tab receiving openings being oriented at an angle relative to an axis of the capsule.
41. A clip deployment apparatus insertable to locations within a body through an endoscope, the apparatus comprising:
an elongated member extending from a proximal end to a distal end;
a control element extending from the proximal end of the elongated member to the distal end thereof;
a bushing coupled to the distal end of the elongated member, the busing including a plurality of tabs extending radially inward from a distal end thereof;
a capsule releasably connected to a distal end of the bushing by a plurality of substantially A-shaped openings formed in a proximal end thereof, each of the A-shaped openings receiving a corresponding one of the tabs;
a clip slidably received within the capsule, the clip including clip arms moveable between open and closed configurations;
a tension member slidably received within the capsule and coupled to the clip, the tension member biasing the clip arms toward the open configuration; and a yoke slidably received within the capsule and removably coupled to the tension member, a first end of the yoke being releasably connected to the tension member and a second end of the yoke being connected to the control element so that distal movement of the control element draws the yoke, the tension member and the clip distally to a position in which the clip arms are in the open configuration and proximal movement of the control element pushes the yoke, the tension member and the clip proximally to a position in which the clip arms are in the closed configuration.
42. The apparatus according to claim 41, wherein each of the clip arms comprises a radius section and wherein the capsule comprises a plurality of overhangs cooperating with the radius sections to retain the clip arms in the closed configuration as the clip arms are moved proximally within the capsule.
43. The apparatus according to claim 41, wherein each of the clip arms comprises a stop shoulder and wherein the capsule comprises a plurality of distal folding tabs cooperating with the stop shoulders to provide a first user feedback indicative of proximal movement of the clip arms to a selected position in the capsule at which the clip arms are in the closed configuration.
44. The apparatus according to claim 42, wherein the first user feedback includes an aural component and a tactile component.
45. The apparatus according to claim 43, wherein the tension member and the yoke are coupled to one another so that proximal movement of the control element after receipt of the first user feedback separates the yoke from the tension member.
46. The apparatus according to claim 44, wherein the capsule and the clip arms cooperate so that, after separation of the yoke from the tension member the clip arms are retained in the closed configuration.
47. The apparatus according to claim 45, wherein the yoke includes a distal camming surface so that, after separation of the yoke from the tension member, drawing the control element and the yoke further proximally brings the camming surface into contact with the tabs to release the capsule from the bushing.
48. The apparatus according to claim 41, wherein the yoke and the control element are coupled to one another by a ball and socket connection.
49. The apparatus according to claim 48, wherein the control element includes a ball at a distal end thereof, the ball being received within a socket formed in the yoke.
50. The apparatus according to claim 49, wherein the control element includes a failure location which, when subject to a predetermined tension fails to separate the ball from a proximal portion of the control element.
51. The apparatus according to claim 50, wherein the control element is formed as a wire with the failure location constituting a reduced diameter portion of the wire adjacent to the ball.
52. The apparatus according to claim 50, further comprising a control element sheath covering a portion of the control element including the reduced diameter portion so that, after failure of the control element, a severed end of the control element is enshrouded by the control element sheath.
CA2539979A 2003-09-30 2004-09-30 Through the scope tension member release clip Expired - Fee Related CA2539979C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US10/674,512 2003-09-30
US10/674,512 US7494461B2 (en) 2003-09-30 2003-09-30 Through the scope tension member release clip
US56841804P 2004-05-05 2004-05-05
US60/568,418 2004-05-05
US10/955,624 US7452327B2 (en) 2003-09-30 2004-09-30 Through the scope tension member release clip
PCT/US2004/032444 WO2005032381A2 (en) 2003-09-30 2004-09-30 Through the scope tension member release clip
US10/955,624 2004-09-30

Publications (2)

Publication Number Publication Date
CA2539979A1 true CA2539979A1 (en) 2005-04-14
CA2539979C CA2539979C (en) 2011-11-29

Family

ID=34426925

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2539979A Expired - Fee Related CA2539979C (en) 2003-09-30 2004-09-30 Through the scope tension member release clip

Country Status (6)

Country Link
US (6) US7452327B2 (en)
EP (3) EP3443915B2 (en)
JP (1) JP4921173B2 (en)
AU (1) AU2004277994B2 (en)
CA (1) CA2539979C (en)
WO (1) WO2005032381A2 (en)

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US20090043316A1 (en) 2009-02-12
US8083668B2 (en) 2011-12-27
US20180235608A1 (en) 2018-08-23
US20160262748A1 (en) 2016-09-15
EP3443915B2 (en) 2024-01-31
JP4921173B2 (en) 2012-04-25
US20050080440A1 (en) 2005-04-14
US20120109162A1 (en) 2012-05-03
CA2539979C (en) 2011-11-29
EP1670365B1 (en) 2018-12-05
EP1670365A2 (en) 2006-06-21
US10952725B2 (en) 2021-03-23
US9370371B2 (en) 2016-06-21
WO2005032381A3 (en) 2005-06-30
EP3443915B1 (en) 2021-03-24
AU2004277994B2 (en) 2010-04-01
US8974371B2 (en) 2015-03-10
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EP3878381A3 (en) 2021-11-10
US9980725B2 (en) 2018-05-29
US7452327B2 (en) 2008-11-18
EP3443915A3 (en) 2019-05-15
AU2004277994A1 (en) 2005-04-14
EP3878381A2 (en) 2021-09-15
US20150173769A1 (en) 2015-06-25
WO2005032381A2 (en) 2005-04-14

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