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Medtronic Warns that Mazor X robots can unexpectedly detach from OR table

Medtronic said today that some of its Mazor X surgical robotic systems could detach and fall onto the OR table, potentially injuring a patient.

The problem affects Mazor X systems with posititioner Type II, the company said in an urgent field safety notice  issued in the U.K. It wasn’t immediately clear if the problem that causes the system to detach affects units distributed elsewhere. No injuries have been reported, although Medtronic said it has received seven complaints of this issue occurring since Nov. 13, 2019. Possible injuries might include hemorrhage, hematoma, bleeding or fracture(s), the company said.

Medtronic described the problem thus:

“During pre-operative preparation, the Mazor X surgical system is raised and mounted over the OR table with the aid of the manipulator, which is the on-board automated lifting mechanism. This enables raising of the surgical system over the OR table and mounting it onto the bed frame. The positioner provides a mechanism for rigid locking of the surgical system on the OR table, after disconnecting it from the manipulator.

“Medtronic is aware of instances where the Mazor X positioner Type II has unexpectedly released from the OR table after being securely attached. Investigation has determined that the occurrences are due to the potential for slight air leakage over time within the pneumatic system resulting in a gradual decrease in the positioner Type II latching device holding force. After time, this can result in the surgical system to release from the bed frame.”

Medtronic closed on its $1.7 billion purchase of Mazor Robotics and its robot-assisted surgery platform for the spine in late 2018. A month later, Medtronic launched its Mazor X Stealth robotic-assisted spinal surgical platform in the U.S.

The company said it is working on developing a fix that will permanently correct the and will contact customers when it is available. In the meantime, the company is advising users that that leaving the locking lever in the open position will maintain pneumatic pressure within the system and keep the system from detaching and falling.

MDT was trading down 0.12% at $114.75 in mid-afternoon trading.

This article was originally published on Mass Device

Meeta Ramnani
Meeta Ramnani
Meeta develops credible content about various markets based on deep research, opinions from experts and inputs from industry leaders. As the managing editor at Smart Industry News, she assures that every piece of news and article adds to the knowledge of decision makers. An avid bike rider, Meeta, is a postgraduate from Indian Institute of Journalism and New Media (IIJNM) Bangalore, where her specialization was Business Journalism. She carries experience from mainstream print media including The Times Group and Sakal Media Group.
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