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3D printer creates hi-res implantable device for customized heart treatment

RATE THIS! +46
Posted in Science on 28th Feb, 2014 04:40 AM by AlexMuller

Using an inexpensive 3-D printer, Washington University biomedical engineers have developed a custom-fitted, implantable device with embedded sensors that could transform treatment and prediction of cardiac disorders.

 

Materials scientists have created a 3D elastic membrane made of flexible silicon material that is precisely shaped to match the outer layer of the wall of the heart.

 
Current technology is two-dimensional and cannot cover the full surface of the epicardium or maintain reliable contact for continual use without sutures or adhesives. The team prints tiny sensors onto the membrane that can precisely measure temperature, mechanical strain and pH, among other markers, or deliver a pulse of electricity in cases of arrhythmia.
 
Those sensors could assist physicians with determining the health of the heart, deliver treatment or predict an impending heart attack before a patient exhibits any physical signs.
 
“Each heart is a different shape, and current devices are one-size-fits-all and don’t at all conform to the geometry of a patient’s heart,” says Efimov, the Lucy & Stanley Lopata Distinguished Professor of Biomedical Engineering.
 
“With this application, we image the patient’s heart through MRI or CT scan, then computationally extract the image to build a 3-D model that we can print on a 3-D printer. We then mold the shape of the membrane that will constitute the base of the device deployed on the surface of the heart.”

Tags: hearthealth3D printingsurgerymaterial science

Read original article » Back to category

Comments

Author: Guest
Posted: 2014-02-28
+2
This idea seem to be similar to Google's contact lens embedded with sensors that could monitor glucose levels in patients with diabetes. Here they can monitor several things- one is troponin, a protein expressed in heart cells and a hallmark of a heart attack.
2 Replies
Author: Guest
Posted: 2014-02-28
+2
There are already so many heart procedures. Heart surgery is now common and - done to correct problems with the heart - this new developments will fit here Reply
Reply
Author: Guest
Posted: 2014-02-28
+0
The great thing is that they think that this is just the beginning. This has a huge promise and could save millions of lives. Reply
Author: Guest
Posted: 2014-02-28
+3
3D printing has been creeping its way into the healthcare industry, slowly but surely, over the last few years.
3 Replies
Author: Guest
Posted: 2014-02-28
+1
When you want to engineer an organ you have a zillion conditions and requirements to fulfil-a very complex situation Reply
Author: Guest
Posted: 2014-02-28
+0
I agree, bioprinting something that is part of a living creature is much more challenging than making an earring or a chocolate bar. Reply
Reply
Author: Guest
Posted: 2014-06-23
+0
The type of physician I would like to work for is a Pediatrician. Pediatrician's scteialpy is to work with children. I have been working with children for a long time mainly because I work at a daycare facility. I've got to a point where I feel like I can handle anything that will come my way with them. It would also leave me feeling good at the end of the day to know that I have helped in some way to make a child feel better.The type of physician I would not care to work for is a Epidemiologist. Epidemiologist's specialize in epidemics caused by infections agents and also work with sexually transmitted diseases. I feel if I were to work in this type of scteialpy I would be putting my self at risk of exposure to these infectious agents. Also I would be focusing a lot of my time on trying to not get infected instead of having a steady mind on what I was actually supposed to be doing. Reply


 

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