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公开(公告)号:US20240390170A1
公开(公告)日:2024-11-28
申请号:US18795018
申请日:2024-08-05
Applicant: MicroVention, Inc.
Inventor: Ponaka Pung , Helen Nguyen
Abstract: Disclosed is a method, apparatus, and kit for assisting the expansion of a self-expanding stent, especially within highly curved or tortuous blood vessels. An elongated pusher having an expandable distal mesh portion can be positioned within a self-expanding stent, expanding during delivery to provide extra expansion force to the stent to ensure the stent properly expands.
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公开(公告)号:US20240173155A1
公开(公告)日:2024-05-30
申请号:US18436487
申请日:2024-02-08
Applicant: MicroVention, Inc.
Inventor: Ponaka Pung , Tai D. Tieu , Ross Soltanian , Helen Nguyen , Oanh Nguyen , Britney Ngo
CPC classification number: A61F2/966 , A61F2/82 , A61F2/88 , A61F2002/9665 , A61F2230/0069 , A61F2250/0098
Abstract: Implant engagement mechanisms are disclosed for maintaining engagement with a stent until it has been fully deployed and expanded from a catheter or sheath. The apparatus, method and system involving these engagement mechanisms allow a physician to withdraw or retract a sheath prior to full deployment, thereby allowing for redeployment of the stent at a more desirable position.
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公开(公告)号:US20210030570A1
公开(公告)日:2021-02-04
申请号:US17021907
申请日:2020-09-15
Applicant: MicroVention, Inc.
Inventor: Ponaka Pung , Helen Nguyen , Tai D. Tieu
Abstract: A stent with varying porosity is described. The stent can be comprised of multiple stents attached together. A braided stent may have selected regions of increased thickness. The stent may be comprised of wires that are welded together at their ends in order to minimize vessel trauma. The stent may comprise a helically wound radiopaque wire wound through the stent.
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公开(公告)号:US11696843B2
公开(公告)日:2023-07-11
申请号:US17021907
申请日:2020-09-15
Applicant: MicroVention, Inc.
Inventor: Ponaka Pung , Helen Nguyen , Tai D. Tieu
CPC classification number: A61F2/885 , A61F2/90 , A61F2/82 , A61F2/852 , A61F2/86 , A61F2/88 , A61F2/954 , A61F2002/823 , A61F2250/006 , A61F2250/0023 , A61F2250/0036
Abstract: A stent with varying porosity is described. The stent can be comprised of multiple stents attached together. A braided stent may have selected regions of increased thickness. The stent may be comprised of wires that are welded together at their ends in order to minimize vessel trauma. The stent may comprise a helically wound radiopaque wire wound through the stent.
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公开(公告)号:US11000394B2
公开(公告)日:2021-05-11
申请号:US16244910
申请日:2019-01-10
Applicant: MicroVention, Inc.
Inventor: Ponaka Pung , Tai D. Tieu , Ross Soltanian , Helen Nguyen , Oanh Nguyen , Britney Ngo
Abstract: Implant engagement mechanisms are disclosed for maintaining engagement with a stent until it has been fully deployed and expanded from a catheter or sheath. The apparatus, method and system involving these engagement mechanisms allow a physician to withdraw or retract a sheath prior to full deployment, thereby allowing for redeployment of the stent at a more desirable position.
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公开(公告)号:US10806610B2
公开(公告)日:2020-10-20
申请号:US16025942
申请日:2018-07-02
Applicant: MicroVention, Inc.
Inventor: Ponaka Pung , Helen Nguyen , Tai D. Tieu
Abstract: A stent with varying porosity is described. The stent can be comprised of multiple stents attached together. A braided stent may have selected regions of increased thickness. The stent may be comprised of wires that are welded together at their ends in order to minimize vessel trauma. The stent may comprise a helically wound radiopaque wire wound through the stent.
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公开(公告)号:US20200315828A1
公开(公告)日:2020-10-08
申请号:US16910400
申请日:2020-06-24
Applicant: MicroVention, Inc.
Inventor: Ponaka Pung , Helen Nguyen
Abstract: Disclosed is a method, apparatus, and kit for assisting the expansion of a self-expanding stent, especially within highly curved or tortuous blood vessels. An elongated pusher having an expandable distal mesh portion can be positioned within a self-expanding stent, expanding during delivery to provide extra expansion force to the stent to ensure the stent properly expands.
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公开(公告)号:US20240238110A1
公开(公告)日:2024-07-18
申请号:US18561684
申请日:2022-05-18
Applicant: MicroVention, Inc.
Inventor: Dieter Rutzen , Ponaka Pung , Shameem Golshan , Helen Nguyen , Oanh Nguyen , Britney Ngo , Minh Nguyen , Marcus Kraus , Nazanin Nourani
CPC classification number: A61F2/852 , A61F2/848 , A61F2/90 , A61L31/022 , A61L31/18 , A61F2002/828
Abstract: A vascular implant may comprise at least a first layer having one or more drawn fill tube wires (DFT wires) and at least a second layer having one or more non-DFT wires. The first layer may be braided from only a single DFT wire, and the second layer may be braided from a plurality of non-DFT wire. A vascular implant may also include a connecting wire composed of a shape memory alloy and that is shape set prior to connection to one or more implant layers composed of DFT wires.
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公开(公告)号:US20230310185A1
公开(公告)日:2023-10-05
申请号:US18329319
申请日:2023-06-05
Applicant: MicroVention, Inc.
Inventor: Ponaka Pung , Helen Nguyen , Tai D. Tieu
Abstract: A stent with varying porosity is described. The stent can be comprised of multiple stents attached together. A braided stent may have selected regions of increased thickness. The stent may be comprised of wires that are welded together at their ends in order to minimize vessel trauma. The stent may comprise a helically wound radiopaque wire wound through the stent.
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公开(公告)号:US20210220158A1
公开(公告)日:2021-07-22
申请号:US17221641
申请日:2021-04-02
Applicant: MicroVention, Inc.
Inventor: Ponaka Pung , Tai D. Tieu , Ross Soltanian , Helen Nguyen , Oanh Nguyen , Britney Ngo
Abstract: Implant engagement mechanisms are disclosed for maintaining engagement with a stent until it has been fully deployed and expanded from a catheter or sheath. The apparatus, method and system involving these engagement mechanisms allow a physician to withdraw or retract a sheath prior to full deployment, thereby allowing for redeployment of the stent at a more desirable position.
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