ConMed has been granted a patent for a cannula assembly designed for use in robotic surgery. The assembly includes a robotic cannula with a housing and a tubular portion, an adapter assembly with a primary seal, and a clamping collar for securing the adapter assembly to the cannula. The invention allows for the accommodation of surgical instruments with different diameters. GlobalData’s report on ConMed 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 ConMed, Surgical robots was a key innovation area identified from patents. ConMed's grant share as of September 2023 was 58%. Grant share is based on the ratio of number of grants to total number of patents.
Cannula assembly for robotic surgery with clamping collar
A recently granted patent (Publication Number: US11771465B2) describes a cannula assembly designed for use in robotically assisted laparoscopic surgery. The assembly includes an adapter assembly and a clamping collar. The adapter assembly is configured to fit within the open end of a proximal housing portion of a robotic cannula and features a tubular body with a central passage that supports a primary seal. The clamping collar is used to secure the adapter assembly to the proximal housing portion of the robotic cannula and includes latches with inwardly facing engagement portions that engage a lip on the open end of the cannula.
The adapter assembly also includes an upper housing that supports the primary seal within the central passage of the tubular body. An inlet port extends from the upper housing, allowing the adapter assembly to be connected to a gas delivery tube. A toggle valve is operatively associated with the inlet port to control the flow of gas to the adapter assembly.
To ensure a secure seal, an O-ring seal is placed around the tubular body of the adapter assembly below the upper housing. This O-ring seal engages the interior surface of the proximal housing portion of the robotic cannula.
The central passage of the tubular body of the adapter assembly is specifically designed to accommodate a surgical instrument with a 12 mm outer diameter. This allows for compatibility with commonly used laparoscopic instruments.
The cannula assembly also includes a robotic cannula, which has a proximal housing portion with an open end featuring a radially outwardly extending lip. The cannula assembly is designed to be used in conjunction with this robotic cannula, with the clamping collar securing the adapter assembly to the open end of the cannula.
Overall, this patent describes a cannula assembly that is specifically designed for use in robotically assisted laparoscopic surgery. The assembly includes features such as a primary seal, a clamping collar, and an O-ring seal to ensure a secure and leak-free connection. The design also allows for compatibility with commonly used laparoscopic instruments.
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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.
