Wednesday, December 08, 2021

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Scientists devise a biodegradable, battery-free pacemaker

Scientists devise a biodegradable, battery-free pacemaker

London, Jul 7 (Prensa Latina) Scientists have designed a temporary, biodegradable, battery-free pacemaker that can be broken down by the patient´s body when its work is done, the latest advance in the emerging field of bioelectronics, the Nature Biotechnology magazine published.
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The thin, flexible, lightweight device could be used in patients who need temporary pacing after cardiac surgery or while waiting for a permanent pacemaker. All components of the pacemaker are biocompatible and naturally absorb into the body’s biofluids over the course of five to seven weeks, without needing surgical extraction.

‘Our transient pacemaker overcomes the disadvantages of traditional appliances by eliminating the need for percutaneous leads for extraction procedures, offering the potential to reduce costs and improve patient care outcomes,’ explained Lead Developer John Rogers.

‘Our wireless, transient pacemakers overcome key disadvantages of traditional temporary devices by eliminating the need for percutaneous leads for surgical extraction procedures — thereby offering the potential for reduced costs and improved outcomes in patient care. This unusual type of device could represent the future of temporary pacing technology,’ John A. Rogers, who led the device’s development, said.

According to the publication, another advantage of the mechanism is that it collects energy wirelessly from a remote antenna located outside, technology similar to that of smartphones when making e-payments.

‘Eventually it will be possible to implant this type of bioabsorbable pacemaker through a vein in the leg or arm, which will allow to provide temporary stimulation to patients undergoing catheter procedures,’ said Dr. Rishi Arora, a cardiologist at Northwestern Medicine who co-led the study

‘The transient electronics platform opens an entirely new chapter in medicine and biomedical research,’ said GW’s Igor Efimov, who co-led the study with Rogers and Arora.

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