Boston Scientific has filed a patent for a steering assembly of a medical device. The assembly includes a handle with wire guides to steer a sheath in different directions, with the wire guides preventing rotation. The wire segments pass through separate gaps, ensuring no overlapping space. GlobalData’s report on Boston Scientific 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 Boston Scientific, Prosthetic cardiac valves was a key innovation area identified from patents. Boston Scientific's grant share as of September 2023 was 56%. Grant share is based on the ratio of number of grants to total number of patents.

Steering assembly for a medical device

Source: United States Patent and Trademark Office (USPTO). Credit: Boston Scientific Corp

A recently filed patent (Publication Number: US20230309804A1) describes a steering assembly for a medical device. The assembly includes a handle with a recess, a first wire guide within the recess, and first and second wire segments for steering the distal portion of the device in different directions. The first wire segment extends over one side of the first wire guide, while the second wire segment extends below the other side of the first wire guide.

The patent also details the design of the first wire guide, which includes three portions with different thicknesses. The first portion is washer-shaped and is located between the second and third portions. The second and third portions protrude relative to the first portion on both sides of the first wire guide. The second portion has a thickness equal to the third portion, while the first portion has a smaller thickness than the other two portions.

Additionally, the steering assembly includes pulleys coupled to the wire segments. The first pulley is located on one side of the first wire guide, while the second pulley is located on the other side. The first wire guide has an opening that allows a portion of the first pulley to be received.

Another embodiment of the steering assembly includes multiple wire guides within the handle recess. Each wire guide is associated with a pulley and wire segments for steering the device. The proximal portions of the wire guides are washer-shaped, and the distal portions have specific thicknesses. The second wire guide has a distal portion with two lateral portions that extend partially across the guide. The thickness of the lateral portions is greater than the thickness of the proximal portion.

The second wire guide also has an opening for receiving a portion of the first pulley, while the third wire guide has an opening for receiving a portion of the second pulley. The diameter of the first opening is smaller than the diameter of the second opening.

Overall, this patent describes a steering assembly for a medical device that allows for precise control and maneuverability. The design of the wire guides and pulleys ensures smooth and accurate steering in different directions.

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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