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NEW YORK DAWN™ > Blog > Health > Early examine reveals promise for retinal-surgery robotic
Early examine reveals promise for retinal-surgery robotic
Health

Early examine reveals promise for retinal-surgery robotic

Last updated: February 20, 2025 1:56 pm
Editorial Board Published February 20, 2025
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Credit score: College of Utah

When even probably the most extremely educated surgeons carry out procedures on the retina—one of many smallest, most delicate elements of the human physique—the stakes are excessive. Surgeons should account for sufferers’ respiration, loud night breathing, and eye actions, together with their very own involuntary hand tremors, whereas they work on a layer of cells lower than a millimeter thick.

That is why researchers on the College of Utah’s John A. Moran Eye Middle and the John and Marcia Value Faculty of Engineering have collaborated to create a brand new robotic surgical procedure machine that goals to present surgeons “superhuman” fingers.

The robotic itself is extraordinarily exact, executing actions as small as 1 micrometer (smaller than a single human cell). It’s mounted on to the affected person’s head utilizing a helmet, such that delicate (and typically not so delicate) actions of the affected person’s head are compensated for, holding the attention fairly nonetheless from the attitude of the robotic.

The robotic additionally scales down the surgeon’s actions, measured utilizing a handheld robotic machine often known as a haptic interface, to the a lot smaller surgical website throughout the eye, compensating for hand tremors alongside the way in which.

Whereas nonetheless within the testing levels, the machine goals to enhance outcomes for sufferers and help cutting-edge procedures, together with the supply of gene therapies for inherited retinal illnesses.

The researchers efficiently examined the robotic utilizing enucleated pig eyes, publishing their outcomes this week within the journal Science Robotics. The examine was led by Jake Abbott, a professor within the U’s Division of Mechanical Engineering, and Moran Eye Middle retinal specialist Paul S. Bernstein.

Credit score: College of Utah

The retina is residence to the light-sensitive rod and cone cells that type the idea of imaginative and prescient. A number of inherited problems trigger these cells to type incorrectly, resulting in imaginative and prescient impairments of various severity, however new gene remedy methods may reverse these circumstances.

“Treatments for vision disorders are rapidly advancing,” Abbott mentioned. “We need to give surgeons better ability to keep up with them.”

The primary gene remedy accredited by the U.S. Meals and Drug Administration for an inherited retinal illness, for instance, requires an injection into the area between the retina and one other layer of cells often known as the retinal pigment epithelium. Along with the problems introduced by eye motion and hand tremors, this subretinal goal is vanishingly small; the surgeon should introduce the drug between two submillimeter-thin cell layers.

As a result of the machine is just not but accredited to function on human topics, testing required a human volunteer fitted with particular goggles that allowed an animal eye to be mounted simply in entrance of their pure eye. This allowed the researchers to check the robotic’s means to compensate for head movement and proper for hand tremors, all whereas working on animal tissue, at no threat to the volunteer.

Within the experiments described within the examine, the surgeons achieved increased success charges whereas utilizing the surgical robotic machine to carry out subretinal injections whereas additionally avoiding ophthalmic problems.

These outcomes reveal the robotic has the potential to enhance affected person care, in response to co-author Eileen Hwang, a Moran Eye Middle retinal surgeon.

“The unique feature of this robot, head mounting, may make it possible for patients to have subretinal injections under intravenous (IV) sedation, rather than general anesthesia,” Hwang mentioned. “IV sedation allows for faster recovery and is safer in some patients. Robots may also allow for more precise delivery of gene therapy medication compared to manual injections for more reproducible, safer treatments.”

Because the robotic makes its approach from the lab to the working room, its journey can be bolstered by the form of interdisciplinary collaborations that first introduced it to life.

“These collaborations are just wonderful at the University of Utah,” Bernstein mentioned. “When I have ideas, the engineers, the chemists, the physics, are just a few blocks away.”

Extra info:
Nicholas R. Posselli et al, Head-mounted surgical robots are an enabling know-how for subretinal injections, Science Robotics (2025). DOI: 10.1126/scirobotics.adp7700

Offered by
College of Utah

Quotation:
Early examine reveals promise for retinal-surgery robotic (2025, February 20)
retrieved 20 February 2025
from https://medicalxpress.com/information/2025-02-early-retinal-surgery-robot.html

This doc is topic to copyright. Other than any honest dealing for the aim of personal examine or analysis, no
half could also be reproduced with out the written permission. The content material is supplied for info functions solely.

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