Small, Flexible Device Could Power a Pacemaker with Energy from Heartbeat

by Adeline Dorcas on  February 21, 2019 at 2:34 PM Research News
RSS Email Print This Page Comment bookmark
Font : A-A+

New study moves one step closer towards making a self-powered heart pacemaker. Scientists have discovered a small, flexible device that can power a pacemaker with energy from heartbeats. The findings of the study are published in the journal ACS Nano.
Small, Flexible Device Could Power a Pacemaker with Energy from Heartbeat
Small, Flexible Device Could Power a Pacemaker with Energy from Heartbeat

Implantable pacemakers have without doubt altered modern medicine, saving countless lives by regulating heart rhythm. But they have one serious shortcoming: Their batteries last only five to 12 years, at which point they have to be replaced surgically. Now, researchers have surmounted this issue by designing a pacemaker powered by the energy of heartbeats, according to a report. The device was successfully tested in pigs, which have similar physiology to humans.

A conventional pacemaker is implanted just under the skin near the collarbone. Its battery and circuitry generate electrical signals that are delivered to the heart via implanted electrodes. Because surgery to replace the battery can lead to complications, including infection and bleeding, various researchers have tried to build pacemakers that use the natural energy of heartbeats as an alternative energy source. However, these experimental devices aren't powerful enough because of their rigid structure, difficulties with miniaturization and other drawbacks, so Hao Zhang, Bin Yang, and colleagues searched for ways to improve the technology.

First, they designed a small, flexible plastic frame. Next, they bonded the frame to piezoelectric layers, which generate energy when bent. They implanted the device in pigs and showed that a beating heart could, in fact, alter the frame's shape, generating enough power to match the performance of a battery-powered pacemaker. The study is a step toward making a self-powered cardiac pacemaker, the researchers say.

Source: Eurekalert

Post a Comment

Comments should be on the topic and should not be abusive. The editorial team reserves the right to review and moderate the comments posted on the site.
Notify me when reply is posted
I agree to the terms and conditions
Advertisement

Recommended Reading

More News on:

Palpitations And Arrhythmias Amyotrophic Lateral Sclerosis (ALS) Palpitations Symptom Evaluation Atrial Fibrillation Acute Coronary Syndrome Sick Sinus Syndrome 

News A - Z

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

News Search

Medindia Newsletters

Subscribe to our Free Newsletters!

Terms & Conditions and Privacy Policy.

Find a Doctor

Stay Connected

  • Available on the Android Market
  • Available on the App Store

News Category

News Archive