JPWO2021087294A5 - - Google Patents

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JPWO2021087294A5
JPWO2021087294A5 JP2022523972A JP2022523972A JPWO2021087294A5 JP WO2021087294 A5 JPWO2021087294 A5 JP WO2021087294A5 JP 2022523972 A JP2022523972 A JP 2022523972A JP 2022523972 A JP2022523972 A JP 2022523972A JP WO2021087294 A5 JPWO2021087294 A5 JP WO2021087294A5
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segment
blood vessel
blood
flow
diameter
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JP2022523972A
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JP2023500067A (en
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Priority claimed from PCT/US2020/058263 external-priority patent/WO2021087294A1/en
Publication of JP2023500067A publication Critical patent/JP2023500067A/en
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Claims (15)

第１の血管から第２の血管に血流を迂回させ、前記第１の血管内の血流を維持するための装置であって、
前記第１の血管内に固定されるように構成された第１のセグメントであって、
血液を、前記第１のセグメントに流入し、前記第１の血管の遠位に流れることができるように通過させる窓を備える、第１のセグメントと、
前記第２の血管内に固定されるように構成された第２のセグメントであって、
血液が前記第１のセグメントに流入し、前記第２のセグメントを通って、前記第２の血管に流入することを可能にすることにより、
前記第１の血管から前記第２の血管への血流を迂回させ、前記第１の血管内の血流を維持するように構成された第２のセグメントと、を備える、装置。 A device for maintaining blood flow in the first blood vessel by detouring blood flow from a first blood vessel to a second blood vessel, the device comprising:
a first segment configured to be secured within the first blood vessel, the first segment comprising:
a first segment comprising a window that allows blood to enter the first segment and flow distally of the first blood vessel;
a second segment configured to be secured within the second blood vessel,
by allowing blood to flow into the first segment, through the second segment, and into the second blood vessel;
a second segment configured to divert blood flow from the first blood vessel to the second blood vessel and maintain blood flow within the first blood vessel. 前記第２のセグメントがグラフト被覆を含む、請求項１に記載の装置。 2. The device of claim 1, wherein the second segment includes a graft covering. 前記第２のセグメントが、前記装置を通る流体の流れを制限するように構成された第３のセグメントを備える、請求項１または２に記載の装置。 3. The device of claim 1 or 2, wherein the second segment comprises a third segment configured to restrict fluid flow through the device. 前記第１のセグメントが、フランジを備える、請求項１から３のいずれか一項に記載の装置。 4. A device according to any preceding claim, wherein the first segment comprises a flange. 前記第１のセグメントが、第１の直径を有し、前記血管を伸張させるステントグラフトと重なるように構成され、前記第２のセグメントが、前記第１の直径から第２の直径に向かって先細になっており、前記装置が、前記装置を通る層流を提供するように先細状に前記血管を伸張させるように構成される、請求項１から４のいずれか一項に記載の装置。 the first segment has a first diameter and is configured to overlap the vessel-stretching stent graft, and the second segment tapers from the first diameter to a second diameter. 5. A device according to any one of claims 1 to 4, wherein the device is configured to elongate the blood vessel in a tapered manner to provide laminar flow through the device. 前記第１のセグメントが、前記装置を通る流体の流れを制限するように構成された第１の直径を有し、前記第２のセグメントが、第２の直径を有し、前記装置が、前記第１の直径から前記第２の直径に向かって先細になっている第３のセグメントを備える、請求項１から４のいずれか一項に記載の装置。 the first segment has a first diameter configured to restrict fluid flow through the device, the second segment has a second diameter, and the device has a first diameter configured to restrict fluid flow through the device; 5. A device according to any preceding claim, comprising a third segment tapering from the first diameter towards the second diameter. 第１の血管から第２の血管に血流を迂回させ、前記第１の血管内の血流を維持するための装置であって、
前記第１の血管内に固定されるように構成された第１のセグメントであって、
ステント構造と、
血液を、前記第１のセグメントに流入し、前記第１の血管の遠位に流れることができるように通過させる窓と、
フランジと、を備える、第１のセグメントと、
前記第２の血管内に固定されるように構成された第２のセグメントであって、
前記第２のセグメントを通って前記第１のセグメントに、及び前記第２の血管に血液を流入させるように構成され、
前記ステント構造と、
グラフト被覆と、を備える、第２のセグメントと、
前記装置を通る流体の流れを制限するように構成された第３のセグメントであって、前記第２のセグメントよりも狭い直径を含む、第３のセグメントと、を備える、装置。 A device for maintaining blood flow in the first blood vessel by detouring blood flow from a first blood vessel to a second blood vessel, the device comprising:
a first segment configured to be secured within the first blood vessel, the first segment comprising :
stent structure,
a window through which blood can flow into the first segment and distally of the first blood vessel;
a first segment comprising a flange;
a second segment configured to be secured within the second blood vessel ,
configured to flow blood through the second segment into the first segment and into the second blood vessel ;
the stent structure;
a second segment comprising a graft covering;
a third segment configured to restrict fluid flow through the device, the third segment comprising a narrower diameter than the second segment. 前記窓が、前記製造プロセス中に形成される、請求項１から７のいずれか一項に記載の装置。 8. A device according to any preceding claim, wherein the window is formed during the manufacturing process. 前記窓が原位置で形成される、請求項１から８のいずれか一項に記載の装置。 9. Apparatus according to any one of claims 1 to 8, wherein the window is formed in situ. 前記第１のセグメントが、半径方向外側に開くように構成されたフラップを備える、請求項１から９のいずれか一項に記載の装置。 10. A device according to any preceding claim, wherein the first segment comprises a flap configured to open radially outwards. 前記第１のセグメントが、前記第２のセグメントとは別個に展開可能である、請求項１から１０のいずれか一項に記載の装置。 11. A device according to any preceding claim, wherein the first segment is deployable separately from the second segment. 前記第１のセグメントが、前記第１の血管の分岐血管内に配置されるように構成された分岐部を備える、請求項１から１１のいずれか一項に記載の装置。 12. The device of any preceding claim, wherein the first segment comprises a bifurcation configured to be placed within a branch vessel of the first blood vessel. 前記第１のセグメントが、前記第１のセグメントの屈曲時に開くように構成された複数のスリットを備える、請求項１から１１のいずれか一項に記載の装置。 12. A device according to any preceding claim, wherein the first segment comprises a plurality of slits configured to open upon bending of the first segment. 前記第１のセグメントがステント構造を備え、前記ステント構造の少なくとも一部が被覆されていない、請求項１から１３のいずれか一項に記載の装置。 14. The device of any preceding claim, wherein the first segment comprises a stent structure, at least a portion of which is uncovered. 前記第１のセグメントがグラフト被覆を含む、請求項１から１４のいずれか一項に記載の装置。

15. The device of any preceding claim, wherein the first segment comprises a graft covering.
JP2022523972A 2019-11-01 2020-10-30 Devices and methods for increasing blood perfusion to distal limbs Pending JP2023500067A (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201962929366P 2019-11-01 2019-11-01
US62/929,366 2019-11-01
US202063004763P 2020-04-03 2020-04-03
US63/004,763 2020-04-03
US202063072423P 2020-08-31 2020-08-31
US63/072,423 2020-08-31
PCT/US2020/058263 WO2021087294A1 (en) 2019-11-01 2020-10-30 Devices and methods for increasing blood perfusion to a distal extremity

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JP2023500067A JP2023500067A (en) 2023-01-04
JPWO2021087294A5 true JPWO2021087294A5 (en) 2023-11-21

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US (3) US11612397B2 (en)
EP (1) EP4051174A4 (en)
JP (1) JP2023500067A (en)
CN (1) CN114929163A (en)
AU (1) AU2020373046A1 (en)
CA (1) CA3153757A1 (en)
WO (1) WO2021087294A1 (en)

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