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Robot maker addresses recent medical device reports

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Intuitive Surgical, Inc. (Sunnyvale, CA), manufacturer of the da Vinci Surgical System, has issued a statement regarding a recent increase in medical device reports (MDR) filed by the company.

Intuitive Surgical, Inc. (Sunnyvale, CA), manufacturer of the da Vinci Surgical System, has issued a statement regarding a recent increase in medical device reports (MDR) filed by the company.

"In response to general inquiries regarding a recent rise in medical device reports filed by Intuitive Surgical, the company recently explained that the noted rise does not reflect a change in product performance but rather a change in MDR reporting practices," Intuitive said in a press release.

In September 2012, the company explained, it revised its MDR practices, resulting in increased reports of device malfunction MDRs, the vast majority of which were related to instruments and not to systems. None of these device malfunction MDRs involved reportable injuries or deaths, Intuitive said.

"We self-identified the reporting issue, notified the FDA and revised our practices," said Dave Rosa of Intuitive Surgical.

MDRs can be found in the FDA's MAUDE (Manufacturer and User Facility Device Experience) database, which is updated by the FDA regularly. The most common type of report filed under the company's revised MDR practices involves instrument cable breaks. These cable breaks render the instrument non-functional and require an instrument change, which can be accomplished quickly, the company said.

Intuitive also made an administrative change in how MDRs previously reported as adverse events were subcategorized. This change has not increased the total number of adverse event reports. This will result in an increase in events in the "serious injury" subcategory and a corresponding decrease in the "other" subcategory. Total adverse event rates have remained low and in line with historical trends, Intuitive said.

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