Abiomed has been granted a patent for a blood pump with a unique flow cannula design. The cannula includes a distal end for connection to the heart or blood vessel, an intermediate portion allowing easy twisting, and the ability to be permanently attached. GlobalData’s report on Abiomed gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Abiomed, was a key innovation area identified from patents. Abiomed's grant share as of February 2024 was 38%. Grant share is based on the ratio of number of grants to total number of patents.

Blood pump flow cannula with twistable intermediate portion

Source: United States Patent and Trademark Office (USPTO). Credit: Abiomed Inc

A recently granted patent (Publication Number: US11918726B2) discloses a flow cannula designed for supporting a patient's heart by establishing fluid communication between a blood pump and the heart or a blood vessel. The flow cannula comprises a distal end connected to the heart or vessel, a proximal end opposite the distal end, and an intermediate portion allowing twisting with lower force than the rest of the cannula. This intermediate portion can be fully occluded by twisting and is designed to be permanently attached to the patient's heart or vessel, enhancing stability and functionality.

Furthermore, the patent details various configurations of the attachment member at the distal end of the intermediate portion, including options for permanent attachment to the patient's heart using materials like felt and structures like discs, plates, or sheets. The attachment member can be secured to the flow cannula using security filaments and is designed to ensure a fluid-tight attachment. The intermediate portion itself is described as a flexible tubular member that is stretchable along the flow cannula's longitudinal axis, with a specified wall thickness range for optimal performance. These innovative features aim to improve the reliability and effectiveness of the flow cannula in supporting the patient's heart, showcasing advancements in medical device technology.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.