Rotatable connection between an intervention member and a manipulation member of an endovascular device
First Claim
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1. A medical device configured to perform an endovascular therapy, the device comprising:
- an elongate manipulation member having a first connection member proximate a distal end of the elongate manipulation member;
an intervention member having a second connection member; and
a third connection member connected to the first connection member and the second connection member such that the first connection member can rotate relative to the second connection member within a non-infinite rotation range of at least 180°
without deformation of any of the first connection member, the second connection member, or the third connection member,wherein the first connection member comprises a first loop, the second connection member comprises a second loop, and the third connection member comprises a third loop substantially permanently interlinked with the first loop and the second loop,wherein the first loop, the second loop, and the third loop comprise rigid materials, andwherein the intervention member is expandable to an expanded diameter that is greater than a maximum diameter of the elongate manipulation member.
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Abstract
A medical device, configured to perform an endovascular therapy, e.g., thrombectomy, can comprise an elongate manipulation member having a first connection member proximate a distal end of the elongate manipulation member, and an intervention member having a second connection member proximate a proximal end of the intervention member. The second connection member can be connected to the first connection member such that the first connection member can rotate relative to the second connection member.
87 Citations
20 Claims
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1. A medical device configured to perform an endovascular therapy, the device comprising:
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an elongate manipulation member having a first connection member proximate a distal end of the elongate manipulation member; an intervention member having a second connection member; and a third connection member connected to the first connection member and the second connection member such that the first connection member can rotate relative to the second connection member within a non-infinite rotation range of at least 180°
without deformation of any of the first connection member, the second connection member, or the third connection member,wherein the first connection member comprises a first loop, the second connection member comprises a second loop, and the third connection member comprises a third loop substantially permanently interlinked with the first loop and the second loop, wherein the first loop, the second loop, and the third loop comprise rigid materials, and wherein the intervention member is expandable to an expanded diameter that is greater than a maximum diameter of the elongate manipulation member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A medical device for removal of an occlusive thrombus from a blood vessel, the device comprising:
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an elongate manipulation member having a first connection member proximate a distal end of the elongate manipulation member; and an intervention member having a self-expanding structure and a second connection member, the self-expanding structure having a plurality of cells, the self-expanding structure being compressible to a collapsed configuration for delivery to an endovascular treatment site through a catheter and being self-expandable from the collapsed configuration to an expanded configuration, the plurality of cells sized to penetrate into and capture thrombus upon expansion to the expanded configuration; and a third connection member connected to the first connection member and the second connection member such that the first connection member can rotate relative to the second connection member without deformation of any of the first connection member, the second connection member, or the third connection member, wherein the first connection member comprises a first loop, the second connection member comprises a second loop, and the third connection member comprises a third loop substantially permanently interlinked with the first loop and the second loop, wherein the first loop, then second loop, and the third loop comprising rigid materials, and wherein in the expanded configuration, the intervention member has a diameter than is greater than a maximum diameter of the elongate manipulation member. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification