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Rapid aspiration thrombectomy system and method

A vascular and neurovascular technology, applied in the field of rapid suction thrombus removal systems and methods, can solve problems such as negative neurological effects and recovery of blood vessels

Inactive Publication Date: 2017-11-28
ROUTE 92 MEDICAL INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] Some exemplary issues with current technology include the time required or even ability to access the site of occlusion, the time required to restore flow or the inability to fully or even partially restore flow to the vessel, the occurrence of distal embolism during the procedure, which has the potential to Negative neurological effects and procedural complications such as perforation and intracerebral hemorrhage

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  • Rapid aspiration thrombectomy system and method
  • Rapid aspiration thrombectomy system and method

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Embodiment Construction

[0042] One of the major drawbacks of current acute stroke interventional procedures is the time required to restore blood perfusion to the brain. This time includes the time required to access one or more occlusion sites in a cerebral artery, as well as the time required to completely remove the occlusion in the artery. Since it is often the case that more than one attempt must be made to completely remove the occlusion, reducing the number of attempts and reducing the time required to change the device for additional attempts are important factors in minimizing the total time. Additionally, each attempt is associated with potential procedural risks posed by the propulsion device in the fragile cerebrovascular system.

[0043] Disclosed herein are methods and devices that enable safe and rapid access to the complex neurovascular anatomy of cerebral and intracranial arteries and removal of occlusions. The methods and devices include one or more access devices, catheters, and d...

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Abstract

An intravascular access system for facilitation of intraluminal medical procedures within the neurovasculature through an access sheath. The system includes an aspiration or support catheter (1320) having a flexible, distal luminal portion (1322) having an inner diameter defining a lumen (1323) extending between a proximal opening at a proximal end of the luminal portion and a distal opening at a distal end of the luminal portion. The catheter has a rigid spine (1330) coupled to at least the proximal end of the luminal portion and extending proximally therefrom. The system includes a dilator (1340) having a flexible, distal dilator portion (1360) sized to be received within the lumen (1323) of the luminal portion (1322). Associated systems, devices, and methods of use are also described.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Provisional Application Serial No. 62 / 111,481, filed February 4, 2015, and U.S. Provisional Application Serial No. 62 / 142,637, filed April 3, 2015, the disclosure of each of which is incorporated by reference in its entirety incorporated into this article. [0003] This application is also related to the following U.S. patent applications, which are incorporated herein by reference in their entirety: (1) U.S. Patent Application Serial No. 14 / 576,953, filed December 19, 2014; and (2) filed December 12, 2014 (3) U.S. Patent Application Serial No. 14 / 537,316, filed November 10, 2014; (4) U.S. Patent Application Serial No. 14 / 221,917, filed March 21, 2014, above This application is incorporated by reference in its entirety. Background technique [0004] The present disclosure generally relates to medical methods and devices for treating acute ischemic stroke. More particularly, the...

Claims

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Application Information

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IPC IPC(8): A61B17/22A61M25/00A61M25/01A61M25/06A61M29/00
CPCA61B17/22A61M25/0043A61M25/01A61M25/0662A61M29/00A61M25/0074A61M25/0097A61M2025/0019A61M2025/0681A61M2025/0042A61M2025/0175A61B17/221A61B2017/22079A61B2217/005A61B2017/22038A61M2210/0693A61M25/0102A61M1/84A61B2017/2212A61M5/007A61M25/0054A61M25/0067A61M25/0108A61M25/10A61M2025/1084A61M2210/12
Inventor M·E·加里森T·M·周S·D·威尔逊
Owner ROUTE 92 MEDICAL INC
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