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Meet humanity’s new ally in the coronavirus fight: robots

WORCESTER - Marty, the Stop & Shop customer service robot practiced social distancing, peering across a potato chip display in the grocery store in Lincoln Plaza, Massachusetts. [T&G Staff/George Barnes](TNS)

They disinfect hospital corridors with ultraviolet light to eliminate traces of the novel coronavirus. They help nurses manage routine tasks so they can spend more time with sick patients. They deliver meals to people heeding public health orders to stay at home and help police deliver warnings to those who aren’t.

As medical researchers rush to develop treatments and vaccines to deploy against the coronavirus, scientists and engineers are working on another type of weapon that could play an instrumental role in fighting the COVID-19 pandemic: robots.

“As epidemics escalate, the potential roles of robotics are becoming increasingly clear,” an international group of researchers wrote last month in the journal Science Robotics.

And there’s much more robots could do if engineers concentrated their efforts on the greatest needs, researchers said.

“At this time, we really need to ensure that we have a global orchestrated sustainable approach to (robotics) research,” said Guang-Zhong Yang, dean of the Institute of Medical Robotics at Shanghai Jiao Tong University.

Here’s a closer look at how robots could play a larger role in the pandemic.

—Robots on the front lines

A big concern in any infectious disease outbreak is minimizing risk to the doctors, nurses and other healthcare workers who are in direct contact with sick patients. If those caregivers also become ill, it means less treatment for patients.

“When health workers are at risk, we are all at risk,” said Tedros Adhanom Ghebreyesus, director-general of the World Health Organization.

Robots could take their place in certain circumstances, such as administering tests to see whether people have been infected with the coronavirus, Yang said. That’s crucial because people who seem to be perfectly healthy may in fact be infected and could spread the disease to others.

“Silent infection is the biggest problem,” Yang said.

It helps that robots don’t get sick, and — unless they run out of power — they don’t need to sleep.

Russell Taylor, a roboticist at Johns Hopkins University whose work led to the development of Da Vinci surgical robots, said medical robots could be useful in intensive care units where risk of contamination was a major worry.

For example, a health worker needing to tend to an Ebola patient might need to put on heavy personal protective equipment before entering a high-risk area, then remove and discard that equipment during the decontamination process at the end of their shift. That’s time-consuming, tiring and potentially dangerous.

Sending a remotely operated robot to interact with the patient instead could dramatically reduce that risk, Taylor said. After all, robots are immune to biological pathogens and can be efficiently disinfected with harsh chemicals. Not so for human beings.

—Robots behind the scenes

But doctors and health workers don’t necessarily want to stop having contact with their patients, even with the risks involved, said Bill Smart, a roboticist at Oregon State University.

“The human contact part (of the job) is really important,” he said.

Robotics is still a developing field, and patient care is complex. If robots remain in supporting rather than starring roles, Smart explained, “you’re not directly interacting with the patients where it could go really wrong if the robot breaks, and you’re also not denying the patient human contact.”

That said, robots could still help minimize the risk for these front-line medical staffers by taking on more menial tasks in order to reduce the time a nurse or doctor has to spend in a dangerous environment.

That could mean using drones to transport medicine to and within hospitals, or using robots to deliver meals. Round-the-clock disinfection by wandering robots — something akin to a Roomba on steroids — could also minimize contamination risk.

—Robots in the past

During the Ebola outbreak that began in 2014, the White House Office of Science and Technology Policy and the National Science Foundation organized workshops to identify ways in which robots could make a difference.

But once the epidemic came under control, interest in (and funding for) the project dried up.

“As a species we tend to be a bit ADD,” said Robin Murphy, a roboticist at Texas A&M University.

This feast-or-famine approach to funding means scientists, engineers and medical emergency personnel aren’t likely to have robotic tools ready for when the next pandemic hits, scientists said.


©2020 Los Angeles Times

Distributed by Tribune Content Agency, LLC.