Vascular surgery
First Claim
Patent Images
1. An anastomotic connector for connecting a graft to a target vessel, comprising:
- a radially-thin collar section, adapted to surround a portion of the graft; and
a separate spike section, adapted to mount on said collar section and comprising a plurality of spikes, each of said spikes adapted to first transfix said graft and then penetrate said target vessel,wherein the separate spike section comprises a ring to which the plurality of spikes are attached and wherein the graft is not caught between the ring and the collar section.
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0 Petitions
Accused Products
Abstract
An anastomotic connector for connecting a graft to a target vessel, comprising a thin collar section (104) adapted to engage a portion of the graft; and a separate spike section (124) adapted to mount on said collar section, and comprising a plurality of spikes (126) each of said spikes (126) adapted to transfix said graft. Preferably, the connector comprises at least one locking element for interlocking said spike section (124), and said collar section (104). Preferably the locking element provides a spring action between the two sections.
490 Citations
107 Claims
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1. An anastomotic connector for connecting a graft to a target vessel, comprising:
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a radially-thin collar section, adapted to surround a portion of the graft; and a separate spike section, adapted to mount on said collar section and comprising a plurality of spikes, each of said spikes adapted to first transfix said graft and then penetrate said target vessel, wherein the separate spike section comprises a ring to which the plurality of spikes are attached and wherein the graft is not caught between the ring and the collar section. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An anastomotic connector for connecting a graft to a target vessel, comprising:
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a base for surrounding said graft; a plurality of spikes for transfixing said graft and engaging said target vessel; and at least one spring element attached to at least one of said spikes, which spring element couples a connection between said spike and said base and allows resilient motion of said spike along an axis of said base. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. An anastomosis connector, comprising:
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a ring shaped base having an axis; at least one plurality of spikes on one side of said ring wherein said spikes are adapted to not penetrate a graft on which said connector is mounted prior to being attached to a target vessel; and at least one transaxial thickening in at least one of said spikes, distanced from said ring. - View Dependent Claims (28, 29, 30, 31)
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32. A method of containing and releasing an anastomotic connector having a thickening, comprising:
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containing said connector between two tubes, said thickening being constrained from axial motion by at least one protrusion defined on at least one of said tubes; and removing an outer one of said tubes, such that the connector deforms and the thickening is not constrained by said at least one protrusion.
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33. A method of performing an anastomosis between a graft and a target vessel, comprising:
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inserting an anastomosis connector into the target vessel; releasing at least one forward spike of said connector; retracting said connector such that said forward spike engages said target vessel; and completing said anastomosis. - View Dependent Claims (34, 35, 36)
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37. A method of heat-treating an anastomosis connector, comprising:
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fitting a cut connector into a mold; fixing said mold to bend both forward and backwards spikes of said connector into a desired configuration; and heat-treating said fixed connector, thereby training it to said configuration.
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38. A method of connecting a graft to a target vessel, comprising:
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surrounding a portion of the graft with a thin collar section; mounting a separate spike section on the collar section, such that the spikes of the spike section transfix the graft and penetrate the target vessel; and retracting the spike section relative to the graft, so as to connect the vessel to the graft. - View Dependent Claims (39)
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40. An anastomotic connector for connecting a graft to a target vessel, comprising:
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a plurality of spikes adapted to transfix a graft and penetrate a blood vessel; a plurality of aperture elements defining apertures adapted to receive the spikes; and at least one lock element which locks against at least one of the spikes, so as to limit movement of the spike relative to at least one of the aperture elements, while the spike transfixes the graft and penetrates the blood vessel wherein the at least one lock element comprises an elastic material. - View Dependent Claims (41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51)
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52. An anastomotic connector for connecting a graft to a target vessel, comprising:
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a plurality of spikes adapted to transfix a graft and penetrate a blood vessel; a plurality of aperture elements defining apertures adapted to receive the spikes; and at least one lock element on at least one of the aperture elements, which, when locked, limits movement of at least one of the spikes relative to at least one of the aperture elements, while the spikes transfix the graft and penetrate the blood vessel, wherein the lock elements lock against the spikes. - View Dependent Claims (53, 54, 55, 56, 57, 58, 59, 60, 61)
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62. An anastomotic connector for connecting a graft to a target vessel, comprising:
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a plurality of spikes adapted to transfix a graft and penetrate a blood vessel; a plurality of aperture elements defining apertures adapted to receive the spikes; and a plurality of lock elements, each lock element corresponding to an aperture element in a 1;
1 correspondence, which, when locked, limit movement of at least one of the spikes relative to the corresponding aperture element, while the spikes transfix the graft and penetrate the blood vessel,wherein the locking of the lock element is achieved by retraction of the spikes. - View Dependent Claims (63, 64, 65, 66, 67, 68)
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69. A method of connecting a graft to a target vessel, comprising:
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inserting a plurality of spikes through a plurality of apertures defined by aperture elements; transfixing a graft by the plurality of spikes; penetrating a blood vessel by the spikes; and locking at least one lock element against one of the spikes, so as to limit movement of the at least one spike relative to at least one of the aperture elements. - View Dependent Claims (70, 71, 72, 73, 74)
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75. A method of connecting a graft to a target vessel, comprising:
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inserting a plurality of spikes through a plurality of apertures defined by aperture elements; transfixing a graft by the plurality of spikes; penetrating a blood vessel by the spikes; and locking at least one lock element which is situated on at least one of the aperture elements, so as to limit movement of at least one of the spikes relative to at least one of the aperture elements. - View Dependent Claims (76, 77, 78, 79, 80, 81)
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82. A method of connecting a graft to a target vessel, comprising:
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inserting a plurality of spikes through a plurality of apertures defined by aperture elements; transfixing a graft by the plurality of spikes; penetrating a blood vessel by the spikes; and locking at least one lock element by retracting at least one of the spikes so as to limit movement of at least one of the spikes relative to at least one of the aperture elements. - View Dependent Claims (83, 84)
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85. A method of connecting a graft to a target vessel, comprising:
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inserting a plurality of spikes through a plurality of apertures defined by aperture elements; transfixing a graft by the plurality of spikes; penetrating a blood vessel by the spikes, after the spikes are inserted into the aperture; and locking at least one lock element, so as to limit movement of at least one of the spikes relative to at least one of the aperture elements. - View Dependent Claims (86)
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87. An anastomotic connector for connecting a graft to a target vessel, comprising:
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a plurality of spikes adapted to transfix a graft and penetrate a blood vessel; a plurality of aperture elements defining apertures adapted to receive the spikes, while they transfix the graft and penetrate the blood vessel; and at least one movement restricting element which is adapted to be moved into a fixation state after the spikes transfix the graft and penetrate the blood vessel, wherein, in the fixation state, the movement of at least one of the spikes is limited relative to at least one of the aperture elements, while some movement of the spikes relative to each other is allowed in the fixation state. - View Dependent Claims (88, 89, 90, 91)
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92. An anastomotic connector for connecting a graft to a target vessel, comprising:
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a plurality of spikes adapted to first transfix a graft and then penetrate a blood vessel; and a plurality of aperture elements defining apertures adapted to receive the spikes, while they transfix the graft and penetrate the blood vessel, wherein the connector has an open structure, which substantially reduces the amount of material of the connector, between the aperture elements. - View Dependent Claims (93, 94, 95, 96, 97)
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98. A method of connecting a graft to a target vessel, comprising:
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providing a plurality of apertures defined by aperture elements in an annular ring shaped two-dimensional space around a graft, which has free space between each two adjacent aperture elements; inserting a plurality of spikes through the apertures; transfixing the graft by the plurality of spikes; and penetrating a blood vessel by the spikes. - View Dependent Claims (99)
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100. An anastomotic connector for connecting a graft to a target vessel, comprising:
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a plurality of spikes adapted to transfix a graft and penetrate a blood vessel; a plurality of aperture elements defining apertures adapted to receive the spikes; and a plurality of lock elements, each lock element corresponding to an aperture element, which, when locked, limit movement of at least one of the spikes relative to the corresponding aperture element, while the spikes transfix the graft and penetrates the blood vessel, wherein the lock elements lock against the spikes.
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101. An anastomotic connector for connecting a graft to a target vessel, comprising:
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a plurality of axially elastic spikes adapted to transfix a graft and penetrate a blood vessel; a plurality of aperture elements defining apertures adapted to receive the spikes; and a plurality of lock elements, each lock element corresponding to an aperture element, which, when locked, limit movement of at least one of the spikes relative to the corresponding aperture element, while the spikes transfix the graft penetrate the blood vessel.
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102. An anastomotic connector for connecting a graft to a target vessel comprising:
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a radially-thin collar section, adapted to surround a portion of the graft; and a separate spike section, adapted to mount on said collar section and comprising a plurality of spikes, each of said spikes adapted to transfix said graft and penetrate said target vessel, wherein said spikes are pre-bent in a hook shape, such that said hook shape is adapted to engage the target vessel.
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103. An anastomotic connector for connecting a graft to a target vessel, comprising:
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a plurality of spikes adapted to transfix a graft and penetrate a blood vessel; and a plurality of aperture elements defining apertures adapted to receive the spikes while the spikes transfix the graft and penetrate the blood vessel, wherein the connector has an open structure, which substantially reduces the amount of material of the connector, between the aperture elements, and wherein the connector has a mesh construction between the aperture elements.
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104. An anastomotic connector for connecting a graft to a target vessel, comprising:
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a plurality of spikes adapted to transfix a graft and penetrate a blood vessel; and a plurality of aperture elements defining apertures adapted to receive the spikes while the spikes transfix the graft and penetrate the blood vessel, wherein the connector has an open structure, which substantially reduces the amount of material of the connector, between the aperture elements, and wherein the aperture elements are included in a two-dimensional annular ring shape which has free space between each two adjacent aperture elements.
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105. An anastomotic connector for connecting a graft to a target vessel, comprising:
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a plurality of spikes adapted to transfix a graft and penetrate a blood vessel; and a plurality of aperture elements defining apertures adapted to receive the spikes while the spikes transfix the graft and penetrate the blood vessel, wherein the connector has an open structure, which substantially reduces the amount of material of the connector, between the aperture elements, and wherein the plurality of aperture elements include radial openings. - View Dependent Claims (106)
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107. An anastomotic connector for connecting a graft to a target vessel, comprising:
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a plurality of spikes adapted to transfix a graft and penetrate a blood vessel; a plurality of aperture elements defining apertures adapted to receive the spikes; and at least one lock element which locks against at least one of the spikes, so as to limit movement of the spike relative to at least one of the aperture elements while the spike transfixes the graft and penetrates the blood vessel, wherein the locking of the locking element is achieved by retraction of the spikes.
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Specification