“Smart” Bandages: A Cheaper, Easier, and More Effective Way To Treat Chronic Wounds

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HOMETECHNOLOGY NEWS

“Smart” Bandages: A Cheaper, Easier, and More Effective Way To Treat Chronic Wounds

TOPICS:California Institute Of TechnologyDiabetesHealingWounds

By CALIFORNIA INSTITUTE OF TECHNOLOGY MARCH 31, 2023

Larger Version of the Smart Bandage

A larger version of the smart bandage rests on the back of a gloved hand. Credit: Caltech

In general, the body’s natural healing process can effectively handle cuts, scrapes, burns, and other types of wounds. However, for individuals with diabetes, this may not always be the case. The condition can impair the healing process and result in persistent wounds that are susceptible to infection and may worsen over time.

Chronic wounds not only cause significant physical and emotional distress for those affected, but they also place a significant financial burden on healthcare systems. In the United States alone, the cost of treating these wounds amounts to an estimated $25 billion annually.

HOMETECHNOLOGY NEWS

“Smart” Bandages: A Cheaper, Easier, and More Effective Way To Treat Chronic Wounds

TOPICS:California Institute Of TechnologyDiabetesHealingWounds

By CALIFORNIA INSTITUTE OF TECHNOLOGY MARCH 31, 2023

Larger Version of the Smart Bandage

A larger version of the smart bandage rests on the back of a gloved hand. Credit: Caltech

In general, the body’s natural healing process can effectively handle cuts, scrapes, burns, and other types of wounds. However, for individuals with diabetes, this may not always be the case. The condition can impair the healing process and result in persistent wounds that are susceptible to infection and may worsen over time.

Chronic wounds not only cause significant physical and emotional distress for those affected, but they also place a significant financial burden on healthcare systems. In the United States alone, the cost of treating these wounds amounts to an estimated $25 billion annually.

A new kind of smart bandage developed at Caltech may make treatment of these wounds easier, more effective, and less expensive. These smart bandages were developed in the lab of Wei Gao, assistant professor of medical engineering, Heritage Medical Research Institute Investigator, and Ronald and JoAnne Willens Scholar.

“There are many different types of chronic wounds, especially in diabetic ulcers and burns that last a long time and cause huge issues for the patient,” Gao says. “There is a demand for technology that can facilitate recovery.”

HOMETECHNOLOGY NEWS

“Smart” Bandages: A Cheaper, Easier, and More Effective Way To Treat Chronic Wounds

TOPICS:California Institute Of TechnologyDiabetesHealingWounds

By CALIFORNIA INSTITUTE OF TECHNOLOGY MARCH 31, 2023

Larger Version of the Smart Bandage

A larger version of the smart bandage rests on the back of a gloved hand. Credit: Caltech

In general, the body’s natural healing process can effectively handle cuts, scrapes, burns, and other types of wounds. However, for individuals with diabetes, this may not always be the case. The condition can impair the healing process and result in persistent wounds that are susceptible to infection and may worsen over time.

Chronic wounds not only cause significant physical and emotional distress for those affected, but they also place a significant financial burden on healthcare systems. In the United States alone, the cost of treating these wounds amounts to an estimated $25 billion annually.

A new kind of smart bandage developed at Caltech may make treatment of these wounds easier, more effective, and less expensive. These smart bandages were developed in the lab of Wei Gao, assistant professor of medical engineering, Heritage Medical Research Institute Investigator, and Ronald and JoAnne Willens Scholar.

“There are many different types of chronic wounds, especially in diabetic ulcers and burns that last a long time and cause huge issues for the patient,” Gao says. “There is a demand for technology that can facilitate recovery.”

Smart Bandage

Wei Gao’s smart bandages are flexible, allowing them to stay on the skin even as it stretches and moves. Credit: Caltech

Unlike a typical bandage, which might only consist of layers of absorbent material, the smart bandages are made from a flexible and stretchy polymer containing embedded electronics and medication. The electronics allow the sensor to monitor for molecules like uric acid or lactate and conditions like pH level or temperature in the wound that may be indicative of inflammation or bacterial infection.

The bandage can respond in one of three ways: First, it can transmit the gathered data from the wound wirelessly to a nearby computer, tablet, or smartphone for review by the patient or a medical professional. Second, it can deliver an antibiotic or other medication stored within the bandage directly to the wound site to treat the inflammation and infection. Third, it can apply a low-level electrical field to the wound to stimulate tissue growth resulting in faster healing.

In animal models under laboratory conditions, the smart bandages showed the abil

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