Integra LifeSciences has been granted a patent for a flue designed for use with an ultrasonic surgical tip. The flue features protrusions on its inner surface, arranged in a specific pattern and density, to enhance the cooling effect of the surgical tip. The patent also includes a claim for the specific design of the flue, including an arcuate region and staggered rows and columns of protrusions. GlobalData’s report on Integra LifeSciences gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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ntegra LifeSciences's grant share as of September 2023 was 61%. Grant share is based on the ratio of number of grants to total number of patents.

Patent granted for an improved flue for ultrasonic surgical apparatus

Source: United States Patent and Trademark Office (USPTO). Credit: Integra LifeSciences Holdings Corp

A recently granted patent (Publication Number: US11738215B2) describes a flue for an ultrasonic surgical apparatus. The flue includes an internal surface with an arcuate region and a plurality of protrusions. These protrusions form a bridge that limits contact with the arcuate region of the internal surface. The protrusions are distributed in staggered rows and columns, with one protrusion centered in relation to every four adjacent protrusions arranged in a square or rectangular manner.

The flue also includes a first flue extender portion and a second flue extender portion. The second flue extender portion has a higher density of protrusions compared to the first flue extender portion. The protrusions are spherical in shape, with the first flue extender portion having a spherical radius in the range of 0.01 inches to 0.10 inches, and the second flue extender portion having a spherical radius in the range of 0.01 inches to 0.08 inches.

The patent also describes an ultrasonic surgical apparatus that includes the aforementioned flue and an ultrasonic horn. The flue is configured to be disposed about the external surface of the ultrasonic horn. The bridge formed by the protrusions limits contact between the arcuate region of the flue's internal surface and the external surface of the ultrasonic horn. The first flue extender portion has a larger inner diameter compared to the second flue extender portion. The protrusions define staggered columns and rows within each flue extender portion.

In summary, the granted patent describes a flue for an ultrasonic surgical apparatus that includes a unique arrangement of protrusions on its internal surface. These protrusions form a bridge that limits contact with a specific region of the flue, and they are distributed in a staggered pattern. The flue also includes two flue extender portions, with the second portion having a higher density of protrusions. The patent also covers an ultrasonic surgical apparatus that incorporates this flue design. The spherical protrusions on the flue have specific size ranges, and the flue extender portions have different inner diameters.

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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.