Source: http://www.google.es/patents/US8876881
Timestamp: 2017-09-25 09:59:38
Document Index: 770774066

Matched Legal Cases: ['Application No. 2009', 'art 2', 'Application No. 2007309087', 'Application No. 2012', 'Application No. 200780046619', 'Application No. 07844525', 'Application No. 2012202653', 'Application No. 2667322', 'Application No. 200780046619', 'Application No. 202010007592', 'Application No. 198303', 'Application No. 2009', 'Application No. 2009119252']

Patente US8876881 - Devices for stent advancement - Google Patentes
Devices and methods for stent advancement, including methods for instructing another or others how to advance a stent into an anatomical structure or into a testing/demonstration synthetic structure, such as a polymer tube. The advancement may be achieved by at least two periods of stent engagement that...http://www.google.es/patents/US8876881?utm_source=gb-gplus-sharePatente US8876881 - Devices for stent advancement
Número de publicación US8876881 B2
Número de solicitud US 11/876,764
Fecha de presentación 22 Oct 2007
También publicado como CA2667322A1, CA2667322C, EP2083767A2, US20080097572, WO2008051941A2, WO2008051941A3, WO2008051941A8
Número de publicación 11876764, 876764, US 8876881 B2, US 8876881B2, US-B2-8876881, US8876881 B2, US8876881B2
Inventores Jeffery Sheldon, Richard Booth, Gary Boseck, Richard Wisdom, Ken Bueche, Bruce Dannecker
Citas de patentes (832), Otras citas (24), Clasificaciones (24), Eventos legales (2)
US 8876881 B2
a stent-engaging element positioned at least partially within a lumen of the stent; and
a stent-retention element configured to contact the proximal end of the stent;
a user-actuatable element movable along the handle, the user-actuatable element being coupled to the stent-engaging element;
a stopper biased to a first position that restricts distal advancement of the user-actuatable element, the stopper comprising a passageway, wherein the stopper has a second position that allows the user-actuatable element to pass through the passageway;
wherein the device is configured such that:
the stent-engaging element is configured to operate in a reciprocating manner to engage and advance the stent distally at least partially out of the outer sheath; and
the stent-retention element will stay in contact with the stent during proximal movement of the stent-engaging element provided that the proximal end of the stent is disposed within the outer sheath and will cease contact when the proximal end of the stent is advanced outside of the outer sheath.
2. The device of claim 1, wherein the user-actuatable element is coupled to the stent-engaging element by an element having a passageway.
4. The device of claim 1, where the user-actuatable element is movable within a slot of the handle.
5. The device of claim 1, where the stent has a deployment length, the outer sheath has a distal end, and the device further comprises:
9. The device of claim 1, where the stent is woven, and the stent-engaging element is configured so as to (a) engage wire intersections on opposing sides of the stent when driving the stent distally, and (b) fold inwardly and slide proximally within the stent's lumen.
10. The device of claim 1, wherein the stent-engaging element is shaped like a shovel.
11. The device of claim 1, wherein the stent-engaging element is configured to operate in the reciprocating manner without a mechanized concomitant withdrawal of the outer sheath.
12. The device of claim 1, wherein the stopper in the second position allows the user-actuatable element to travel a full length of a slot.
a handle coupled to the outer sheath such that the outer sheath cannot move relative to the handle, the handle having a proximal end and a user-actuatable element constrained by a length of a slot;
a stent-engaging element coupled to the user-actuatable element and configured to engage the stent between the distal and proximal ends of the stent; and
a stopper comprising a passageway, the stopper biased to a first position that restricts distal advancement of the user-actuatable element, wherein the stopper has a second position that allows the user-actuatable element to pass through the passageway to travel a full length of the slot,
wherein distal and proximal movement of the user-actuatable element advances the stent distally out of the outer sheath through multiple engagements of the stent by the stent-engaging element,
wherein each engagement occurs between the proximal and distal ends of the stent,
wherein distal movement of the user-actuatable element drives the stent distally without a mechanized concomitant withdrawal of the outer sheath, and
wherein proximal movement of the user-actuatable element does not drive the stent distally; and
14. The device of claim 13, wherein the user-actuatable element is coupled to the stent-engaging element by an element having a passageway.
17. The device of claim 13, where the stent has a deployment length, the outer sheath has a distal end, and the device further comprises:
21. The device of claim 13, where the stent is woven, and the stent-engaging element is configured so as to (a) engage wire intersections on opposing sides of the stent when driving the stent distally, and (b) fold inwardly and slide proximally within the stent's lumen.
22. The device of claim 13, wherein the stent-engaging element is shaped like a shovel.
a stent-engaging element positioned at least partially within the lumen of the stent, the stent-engaging element shaped like a shovel and configured to engage two intersections on opposing sides of the stent when driving the stent distally;
a user-actuatable element slidable along a slot of the handle; and
a stopper biased to a first position that restricts distal advancement of the user-actuatable element, the stopper comprising a passageway, the user-actuatable element movable along a portion of the slot when the stopper is in the first position, the portion less than a full length of the slot, and movable along the full length of the slot and through the passageway when the stopper is in a second position,
the user-actuatable element also being coupled to the stent-engaging element by an element having a passageway.
26. The device of claim 23, where the stent has a deployment length, the outer sheath has a distal end, and the device further comprises:
28. The device of claim 23, further comprising
31. The device of claim 23, where the stent is woven, and the stent-engaging element is configured so as to fold inwardly and slide proximally within the stent's lumen.
32. The device of claim 23, wherein the shovel stent-engaging element includes a flex slot.
33. The device of claim 23, wherein the device is configured to advance the stent distally out of the outer sheath without a mechanized concomitant withdrawal of the outer sheath.
34. The device of claim 23, wherein the stopper in the second position allows the user-actuatable element to travel a full length of a slot.
a stent-engaging element separate from the inner element and positioned at least partially within the lumen of the stent;
wherein the device is configured to distally drive the stent at least partially out of the outer sheath through at least two periods of engagement of the stent by the stent-engaging element that are separated by a period of non-engagement that does not drive the stent distally.
36. The device of claim 35, wherein the user-actuatable element is coupled to the stent-engaging element by an element having a passageway.
37. The device of claim 35, where the user-actuatable element is a movable within a slot of the handle.
38. The device of claim 35, where the stent has a deployment length, the outer sheath has a distal end, and the device further comprises:
39. The device of claim 35, further comprising:
40. The device of claim 35, further comprising
41. The device of claim 35, further comprising:
42. The device of claim 35, further comprising:
43. The device of claim 35, where the stent-engaging element is also configured to fold inwardly and slide proximally within the stent's lumen.
44. The device of claim 35, wherein the device is configured to distally drive the stent at least partially out of the sheath without a mechanized concomitant withdrawal of the outer sheath.
45. The device of claim 35, wherein the stent-engaging element is shaped like a shovel.
46. The device of claim 35, wherein the stent-engaging element is configured to engage two intersections on opposing sides of the stent.
47. The device of claim 35, wherein the stopper in the second position allows the user-actuatable element to travel a full length of a slot.
48. A stent advancement method comprising:
distally driving a stent out of a sheath and into a tubular structure by engaging the stent between its distal and proximal ends with a stent-engaging element a multiple number of engagements, wherein the multiple number of engagements are separated by a period of non-engagement, and wherein during each of the multiple number of engagements, the stent-engaging element moves from a first position to a second position distal to the first position; and
engaging the stent at its proximal end with a stent-retention element that is positioned within the sheath,
wherein an operator accomplishes the driving of the stent by moving a user-actuatable element with the operator's thumb,
wherein the user-actuatable element is constrained by a traversable length of a slot, and
wherein moving a stopper from a first position to a second position to a second position changes the traversable length of the slot.
49. The stent advancement method of claim 48, where the tubular structure is animal tissue.
50. The stent advancement method of claim 49, where the stent-retention element includes a stent-retention line, and the method further comprises:
51. The stent advancement method of claim 50, where an operator accomplishes the driving of the stent by moving a user-actuatable element with the operator's thumb.
52. The stent advancement method of claim 51, where the stent is woven, the stent-engaging element engages multiple wire intersections of the stent and moves distally during the engagements that drive the stent, and the stent-engaging element slides proximally within the stent's lumen during the period of non-engagement.
53. The stent advancement method of claim 48, where the tubular structure is not part of an animal.
54. The stent advancement method of claim 53, where the stent-retention element includes a stent-retention line, and the method further comprises:
55. The stent advancement method of claim 48, where the stent is woven, the stent-engaging element engages multiple wire intersections of the stent and moves distally during the engagements that drive the stent, and the stent-engaging element slides proximally within the stent's lumen during the period of non-engagement.
56. The stent advancement method of claim 48, wherein distally driving the stent out of the sheath occurs without a mechanized concomitant withdrawal of the outer sheath.
57. The stent advancement method of claim 48, wherein, during the period of non-engagement, the stent-engagement element folds inwardly and slides proximally.
58. The stent advancement of claim 48, wherein, during the multiple number of engagements, the stent-engaging element engages two intersections on opposing sides of the stent.
59. The stent advancement method of claim 48, wherein the stent-engagement element is shaped like a shovel.
a handle coupled to the outer sheath, the outer sheath being stationary relative to the handle, the handle including a user-actuatable element coupled to a pusher, the user-actuatable element movable along a slot of the handle;
a stopper comprising a passageway, the stopper rotatable from a first position in which the passageway is not aligned with the slot to a second position in which the passageway is aligned with the slot;
a stent disposed within the outer sheath; and
a stent-engaging element disposed within the outer sheath and coupled to the pusher;
wherein the stent is distally driveable out of the outer sheath through at least two periods of engagement of the stent by the stent-engaging element, each said period of engagement configured to drive the stent distally without a mechanized concomitant withdrawal of the outer sheath and each said period of engagement separated by a period of non-engagement of the stent by the stent-engaging element that is configured to not drive the stent distally.
61. The device of claim 60, wherein the stent has a distal end, a proximal end, and a lumen extending between the distal end and the proximal end, and wherein the stent-engaging element is positioned at least partially within the lumen of the stent.
62. The device of claim 60, wherein the pusher includes a passageway.
63. The device of claim 62, wherein the passageway is configured to accept a guidewire.
64. The device of claim 60, wherein, in the second position, the stopper allows the user-actuatable element to travel a full length of a slot and wherein the stopper is biased in the first position.
65. The device of claim 60, wherein the stent has a proximal end and wherein the device further comprises a stent-retention element engaging the proximal end of the stent while the proximal end of the stent is in the outer sheath.
66. The device of claim 60, wherein the stent comprises a plurality of woven wires.
67. The device of claim 66, wherein the stent-engaging element is configured to (a) engage wire intersections during each said period of engagement, and (b) fold inwardly and slide proximally during each said period of non-engagement.
68. The device of claim 60, wherein the handle has a proximal end and wherein a proximal-most point of contact of a user with the device that causes each said period of engagement is located at or distal of the proximal end of the handle.
69. The device of claim 60, wherein the stent-engaging element is shaped like a shovel or scoop.
70. A stent advancement method comprising:
moving a user-actuatable element from a first position in a slot of a handle to a second position in the slot of the handle, the user-actuatable element coupled to a stent-engaging element, wherein during moving the user-actuatable element from the first position to the second position, the stent-engaging element engages a stent between distal and proximal ends of the stent to distally drive a first portion of the stent out of a sheath while a second portion of the stent remains within the sheath;
after moving the user-actuatable element from the first position to the second position, moving the user-actuatable element from the second position to the first position, wherein during moving the user-actuatable element from the second position to the first position, the stent-engaging element folds inwardly and slides proximally within the stent;
after moving the user-actuatable element from the second position to the first position, second moving the user-actuatable element from the first position to the second position, wherein during second moving the user-actuatable element from the first position to the second position, the stent-engaging element engages the stent between the distal and proximal ends of the stent to drive the second portion of the stent at least partially out of the sheath;
after second moving the user-actuatable element from the first position to the second position, rotating a stopper to increase a traversable length of the slot of the handle by the user-actuatable element; and
moving the user-actuatable element to a third position distal to the second position, wherein during moving the user-actuatable element to the third position, the stent-engaging element extends out of the sheath.
71. The method of claim 70, wherein moving the user-actuatable element from the first position to the second position occurs without a mechanized concomitant withdrawal of an outer sheath.
72. The method of claim 70, wherein the user-actuatable element is biased toward the second position in the slot of the handle.
73. The method of claim 70, further comprising engaging a proximal end of the stent with a stent-retention element.
74. The method of claim 70, wherein the stent is woven and the stent-engaging element is configured to engage two intersections on opposing sides of the stent.
75. The method of claim 70, wherein the stent-engaging element is shaped like a shovel.
FIG. 2D is a cross-sectional view of a sub-assembly of an embodiment of device.
FIG. 3C is a cross-sectional view of a sub-assembly of an embodiment of device.
FIG. 8 provides a schematic depiction of the stent advancement process.
FIG. 9 depicts stent in a constrained, or elongated, configuration.
FIG. 10 shows stent in an expanded state in body vessel.
FIG. 12B shows an embodiment of stent-retention element.
US5376077 * 4 Dic 1992 27 Dic 1994 Interventional Technologies, Inc. Introducer sheath with seal protector
US20040167599 23 Feb 2004 26 Ago 2004 George Goicoechea Bifurcated endoluminal prosthesis
US20060276873 1 Ago 2006 7 Dic 2006 Olympus Medical Systems Corporation Stent placement device
US20070106367 26 Dic 2006 10 May 2007 Abbott Laboratories Vascular Enterprises Limited Self-expanding stent delivery system
US20090171427 28 Dic 2007 2 Jul 2009 Cook Incorporated Sequential implant delivery system
DE69131423D1 20 Nov 1991 12 Ago 1999 Keiji Igaki Stent für gefässe, halterungsstruktur für diesen stent und vorrichtung zur montage desselben
DE202010007592U1 4 Jun 2010 14 Oct 2010 Idev Technologies, Inc. Stentzuführungssystem mit Schieberanordnung
RU2454205C2 Título no disponible
WO1998046168A1 15 Abr 1998 22 Oct 1998 Schneider (Usa) Inc Prostheses with selectively welded crossing strands
WO2004016201A3 15 Ago 2003 15 Abr 2004 Cook Inc Stent and method of forming a stent with integral barbs
WO2008051941A8 22 Oct 2007 4 Jun 2009 Idev Technologies Inc Devices and methods for stent advancement
1 Decision of Rejection issued in Japanese Patent Application No. 2009-534804 on Mar. 26, 2013.
2 International Preliminary Report on Patentability and Written Opinion of the International Searching Authority for International Application No. PCT/US2007/082165, mailed on Apr. 22, 2009, in 25 pages.
3 International Search Report and Written Opinion of the International Searching Authority for International Application No. PCT/US07/082148, mailed on Mar. 6, 2008.
4 International Search Report and Written Opinion, issued in International Application No. PCT/US2007/082165, dated Apr. 2, 2008.
5 JVIR Supplement, Scientific Program, SCVIR 22nd Annual Scientific Meeting, Mar. 8-13, 1997, Sheraton Washington Hotel, 8(1) Part 2, pp. 251-252, Jan.-Feb. 1997.
6 Murayama et al., "Nonadhesive liquid embolic agent for cerebral arteriovenous malformations: Preliminary histopathological studies in swine rete mirabile," Neurosurgery, 43:1164-1172, 1998.
7 Notice of Acceptance issued in Australian Patent Application No. 2007309087 on Jun. 19, 2012.
8 Notice of Allowance issued in Mexican Patent Application No. MX/a/2009/004292 on Feb. 12, 2013.
9 Notice of Reasons of Rejection issued in Japanese Patent Application No. 2012-209331 on Aug. 9, 2013.
10 Notification Concerning Transmittal of International Preliminary Report on Patentability, issued in International Application No. PCT/US2007/082148, mailed Apr. 30, 2009.
11 Notification on the Grant for Patent Right for Invention issued in Chinese Patent Application No. 200780046619.4 on Nov. 29, 2011.
12 Office Action in European Application No. 07844525.1 dated Sep. 13, 2013 in 5 pages.
13 Office Action issued in Australian Patent Application No. 2012202653 on May 3, 2013.
14 Office Action issued in Canadian Patent Application No. 2667322 on May 27, 2013.
15 Office Action issued in Chinese Patent Application No. 200780046619.4 on Jun. 24, 2011.
16 Office Action issued in German Patent Application No. 202010007592.0 on Mar. 31, 2011.
17 Office Action issued in Israel Patent Application No. 198303 on Feb. 23, 2011.
18 Office Action issued in Japanese Patent Application No. 2009-534804 on May 23, 2012.
19 Office Action issued in Mexican Patent Application No. MX/a/2009/004292 on Jul. 3, 2012.
20 Office Action issued in Mexican Patent Application No. MX/a/2009/004292 on Oct. 26, 2011.
21 Office Action issued in Russian Patent Application No. 2009119252 on Oct. 6, 2011.
22 Punekar et al., "Post-surgical recurrent varicocele: efficacy of internal spermatic venography and steel-coil embolization," Br. J. Urol., 77:124:128, 1996.
23 Search Report and Written Opinion mailed Dec. 19, 2011 in International application No. PCT/US2011/038456.
24 White et al., "Pulmonary Arteriovenous Malformations: Techniques and Long-term Outcome of Embolotherapy," Radiology, 169:663-669, 1988.
Clasificación internacional B23K26/20, A61F2/966, A61F2/06, A61F2/954, A61F2/95, A61F2/856, A61F2/962, A61F2/90
Clasificación cooperativa A61F2/966, B23K26/21, A61F2/856, D10B2509/06, A61F2/954, A61F2/962, A61F2/95, B23K2203/14, A61F2002/9534, B23K2201/32, A61F2002/9517, A61F2/90, A61F2002/9665, A61F2220/005, B23K26/20