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Space surgery on Earth just got a bit safer thanks to a helping hand from a robotic arm on the International Space Station.

The space station's robotic arm, Canadarm2, launched in 2001 following the original Canadarm, which was created for space shuttle missions and first flew in 1981. Canadarm2's original goal was to assist in the space station's early construction, but today, the arm is also used to capture visiting cargo spacecraft, such as SpaceX's Dragon or Orbital ATK's Cygnus.

"The International Space Station was essentially designed like a Lego toy, with lots of big pieces that could be put together," said space station program manager Ken Podwalski, who is with the Canadian Space Agency, in a new NASA video

"Some of those pieces are going to be about the size of a city bus," he said. "We needed a way of manipulating and moving these big pieces and very precisely putting them together."

A robotic aid in the operating room was inspired by Canadarm2, the International Space Station's robotic arm.
A robotic aid in the operating room was inspired by Canadarm2, the International Space Station's robotic arm.
Credit: Synaptive Medical/Cicada Design Inc.

It turns out that the high precision achieved in space is also very useful for surgery on Earth. In 2013, according to the Canadian Space Agency, the Toronto company Synaptive Medical was interested in developing a neurosurgery tool that would be safer and more efficient for surgeons and patients.

Synaptive and Canadarm2 contractor Maxar Technologies (which was known as MacDonald, Dettwiler and Associates at the time) together created a first-generation version of this tool, which is called BrightMatter Drive, in 2015. 

The International Space Station's Canadarm2, seen here with astronaut Steven Robinson during the STS-114 shuttle mission in 2005, has inspired new surgical tools for use on Earth.
The International Space Station's Canadarm2, seen here with astronaut Steven Robinson during the STS-114 shuttle mission in 2005, has inspired new surgical tools for use on Earth.
Credit: NASA

The Drive tool tracks surgical instruments and images their working area using a camera. A newer version of Drive, called Modus V, was released in 2017. CSA says the technology is used in 30 hospitals across North America.

"Knowing that MDA has done this before in space, we thought it would be very easy for them to bring that experience and that technology into the neurosurgical area and help us with our medical robotics," Josh Richmond, Synaptive's director of engineering, said in the video.

"What this arm does is it follows you and it tracks you. It speeds up efficiency," added Gavin Britz, chairman of neurosurgery at Houston Methodist Hospital, who had the chance to use the technology.

The Canadarm technology is a popular model for medical spin-offs. Other examples include neuroArm, which does surgery inside of magnetic resonance machines, and the Image-Guided Autonomous Robot that is designed to help with breast cancer surgeries.

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