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公开(公告)号：US11597792B2
公开(公告)日：2023-03-07
申请号：US16758419
申请日：2018-10-29
IPC分类号： C08G18/10 , C08G18/32 , C08G18/08 , C08G18/34 , C08G18/73 , C08G18/75 , C08K5/03 , C08G18/50 , C08G101/00
摘要： An embodiment includes a polymer composition comprising a thermoplastic polymer that: (a) is bonded to iodine, (b) includes a vinyl group, and (c) includes urethane linkages. Other embodiments are described herein.
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公开(公告)号：US20220273852A1
公开(公告)日：2022-09-01
申请号：US17749270
申请日：2022-05-20
发明人： Duncan J. Maitland , Todd L. Landsman , John Horn , Landon Nash , Chung Yeh
摘要： An embodiment includes a process for treating an abdominal aortic aneurysm (AAA) endoleak with a shape memory polymer (SMP) foam device. First, a bifurcated stent graft is placed within the aneurysm while a micro guidewire is positioned within the aneurysm for future catheter access. Second, after placing the iliac graft extension, a catheter is introduced over wire to deliver embolic foams. Third, embolic foams expand and conform to the aneurysm wall. Fourth, embolic foams create a stable thrombus to prevent endoleak formation by isolating peripheral vessels from the aneurysm volume.
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公开(公告)号：US11338070B2
公开(公告)日：2022-05-24
申请号：US16690612
申请日：2019-11-21
发明人： Duncan J. Maitland , Todd L. Landsman , John Horn , Landon Nash , Chung Yeh
IPC分类号： A61F2/945 , A61B17/12 , A61L31/14 , A61F2/954 , A61F2/07 , A61L31/06 , A61L31/18 , A61F2/82 , A61B90/00 , A61B17/00 , A61F2/89
摘要： An embodiment includes a process for treating an abdominal aortic aneurysm (AAA) endoleak with a shape memory polymer (SMP) foam device. First, a bifurcated stent graft is placed within the aneurysm while a micro guidewire is positioned within the aneurysm for future catheter access. Second, after placing the iliac graft extension, a catheter is introduced over wire to deliver embolic foams. Third, embolic foams expand and conform to the aneurysm wall. Fourth, embolic foams create a stable thrombus to prevent endoleak formation by isolating peripheral vessels from the aneurysm volume.
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公开(公告)号：US20190192743A1
公开(公告)日：2019-06-27
申请号：US16228082
申请日：2018-12-20
发明人： Duncan J. Maitland , Todd L. Landsman , John Horn , Landon Nash , Chung Yeh
CPC分类号： A61L31/146 , A61B17/12113 , A61F2/07 , A61F2/945 , A61F2/954 , A61F2002/826 , A61F2210/0023 , A61F2250/0098 , A61L31/06 , A61L31/18 , A61L2400/04 , A61L2400/06 , A61L2400/16
摘要： An embodiment includes a process for treating an abdominal aortic aneurysm (AAA) endoleak with a shape memory polymer (SMP) foam device. First, a bifurcated stent graft is placed within the aneurysm while a micro guidewire is positioned within the aneurysm for future catheter access. Second, after placing the iliac graft extension, a catheter is introduced over wire to deliver embolic foams. Third, embolic foams expand and conform to the aneurysm wall. Fourth, embolic foams create a stable thrombus to prevent endoleak formation by isolating peripheral vessels from the aneurysm volume.
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公开(公告)号：US11786641B2
公开(公告)日：2023-10-17
申请号：US16652588
申请日：2018-10-10
CPC分类号： A61L31/06 , A61B17/12113 , A61B17/12118 , A61B17/12181 , A61F2/07 , A61L31/146 , A61L31/148 , A61L31/18 , A61L2300/606 , A61L2400/16 , A61L2430/36
摘要： An embodiment includes an apparatus comprising: a shape memory polymer (SMP) foam having an outside surface; and a membrane that encapsulates at least 50% of the outside surface of the SMP foam; wherein (a) the SMP foam includes a thermoset SMP, and (b) the membrane includes a thermoplastic polymer. Other embodiments are addressed herein.
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公开(公告)号：US20230200822A1
公开(公告)日：2023-06-29
申请号：US18167107
申请日：2023-02-10
CPC分类号： A61B17/12195 , A61B17/12113 , A61B17/12181 , A61B17/12186 , A61B90/39 , A61M29/00 , A61B2017/00867 , A61B2017/12072
摘要： An embodiment includes a system comprising: a catheter; an optic fiber having a long axis and a short axis that is orthogonal to the long axis; first and second radiopaque elements coupled to the optic fiber; a first wire coupled to the optic fiber and extending from the first radiopaque element to the second radiopaque element; a fluid; wherein (a)(i) the first wire wraps at least partially around an exterior surface of the optic fiber; (a)(ii) an outer diameter of the first wire and an outer diameter of the optic fiber are collectively less than an inner diameter of the catheter, and (a)(iii) the first wire is configured to center the optic fiber within the catheter within a plane orthogonal to the long axis.
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公开(公告)号：US20220395615A1
公开(公告)日：2022-12-15
申请号：US17847426
申请日：2022-06-23
摘要： An embodiment includes a system comprising: a substrate of a medical device; an un-foamed polyurethane coating directly contacting the substrate and fixedly attached to the substrate; a thermoset polyurethane shape memory polymer (SMP) foam, having first and second states, which directly contacts the polyurethane coating and fixedly attaches to the polyurethane coating; wherein the polyurethane coating fixedly attaches the SMP foam to the substrate. Other embodiments are described herein.
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公开(公告)号：US20220016310A1
公开(公告)日：2022-01-20
申请号：US17395116
申请日：2021-08-05
IPC分类号： A61L24/00 , A61L24/04 , C08G18/10 , C08G18/73 , C08G18/83 , C08J9/36 , A61L15/26 , A61L27/50 , A61L31/14 , A61L31/16 , A61L15/46 , A61L27/18 , A61L27/56 , A61L15/42 , A61L31/06 , A61L27/54
摘要： An embodiment includes a system comprising a thermoset polyurethane shape memory polymer (SMP) foam that includes at least one antimicrobial agent. The antimicrobial agent may include at least one phenolic acid that is a pendent group chemically bonded to a polyurethane polymer chain of the SMP foam. Other embodiments are described herein.
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公开(公告)号：US20210015485A1
公开(公告)日：2021-01-21
申请号：US17032270
申请日：2020-09-25
发明人： Duncan J. Maitland , Todd L. Landsman , Jennifer N. Rodriguez , Anthony J. Boyle , Alan C. Glowczwski , Mark A. Wierzbicki
IPC分类号： A61B17/12
摘要： An embodiment includes a system comprising: an outer conduit; a shape memory polymer (SMP) foam; a metal backbone including: (a)(i) a first portion that extends from the SMP foam proximal end to the SMP foam distal end and which is generally covered by the SMP foam, and (a)(ii) a distal portion that extends distally from the SMP foam distal end and which is not covered by the SMP foam; wherein: (b)(i) SMP foam and the metal backbone are both included within the outer conduit adjacent to the outer conduit distal end; (b)(ii) the metal backbone distal portion transitions from a secondary shape that is uncoiled to a primary shape that is coiled; and (b)(iii) the metal backbone distal portion is in the metal backbone distal portion secondary shape and is located between the SMP foam distal end and the distal end of the outer conduit.
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公开(公告)号：US20200247939A1
公开(公告)日：2020-08-06
申请号：US16758419
申请日：2018-10-29
摘要： An embodiment includes a polymer composition comprising a thermoplastic polymer that: (a) is bonded to iodine, (b) includes a vinyl group, and (c) includes urethane linkages Other embodiments are described herein.
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