Percutaneous circulatory support device with braided distal tip

The percutaneous circulatory support device with a braided distal tip portion addresses delivery challenges by enhancing stiffness and flexibility, ensuring effective deployment and improved heart positioning.

WO2026136492A1PCT designated stage Publication Date: 2026-06-25BOSTON SCIENTIFIC SCIMED INC
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
BOSTON SCIENTIFIC SCIMED INC
Filing Date
2025-12-17
Publication Date
2026-06-25

AI Technical Summary

Technical Problem

Existing percutaneous mechanical circulatory support devices face challenges in delivery and performance due to complications within the heart, necessitating alternative configurations for effective deployment and use.

Method used

A percutaneous circulatory support device with a distal tip portion featuring a layered structure, including an inner layer, an outer layer, and a braided reinforcement layer with varying braid pic counts along its length, providing enhanced stiffness and flexibility for improved maneuverability and positioning within the heart.

Benefits of technology

The device's design enhances the device's ability to withstand forces, maintain shape, and facilitate atraumatic contact with tissue, improving delivery and positioning within the heart while increasing durability and reliability.

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Abstract

A percutaneous circulatory support device including a blood pump and a distal tip portion coupled to the blood pump. The distal tip portion includes of a multi-layered structure, with an integrated braided reinforcement layer. The braided reinforcement layer includes a tubular braid, wherein the braid has a varying stiffness from a proximal end of the braid to a distal end of the braid.
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