Media

Dr. Javier Navarro Rueda

Meet Javier Navarro Rueda

How 3D tech is shaping surgical planning and medical education

By Aithanh Nguyen | November 1, 2025

In April this year, Dr. Javier Navarro Rueda joined the University of Minnesota as an Assistant Professor for the Visible Heart® Laboratories (VHL).

John Brigham demonstrates 3D scanning techniques using plastinated human hearts and 3D prints. Photo credit: Adria Carpenter.

"Collections from the Visible Heart Laboratories now in circulation"

By Erinn Aspinall | July 1, 2025

John Brigham, VHL Heart Library Curator, fosters collaboration with UMN Health Sciences Library, which recently added the Atlas of Human Cardiac Anatomy to it's A-Z database. Next up, HSL is exploring ways make the VHL's collection of 3D printer files readily accessible.

Paul Iaizzo in the lab looking at monitors.

"Looking back towards the future"

By Brian Bossetta | April 17, 2025

A closer look at Medtronic's 75 years of shaping the medtech industry, including insights from Dr. Paul Iaizzo of the collaboration with the Visible Heart® Laboratories.

V-H-L 3D prints on displayed.

"Learning medicine through modern technologies"

By Aithanh Nguyen | March 1, 2025

How medical device innovation, VR, and 3D tech are redefining medical education.

A reanimated pig heart sits inside the Visible Heart apparatus.

"Visible Heart Laboratories — home of the U’s beating heart"

by Rachel Hoppe | February 17, 2025

The lab reanimates mammalian hearts and develops human physiology education tools.

V-H-L's Rachel Larson, working on a 3D Printer with model.

"Looking at the spine outside the body"

By Aithanh Nguyen | February 1, 2025

Rachel Larson, VHL, collaborates on 3D prints

A beating pig heart glows at the University of Minnesota's Visible Heart Lab in Minneapolis. (Aaron Lavinsky/The Minnesota Star Tribune)

"Inside the lab that’s the beating heart of Medtronic’s product pipeline"

By Victor Stefanescu | February 1, 2025

At the UMN, researchers keep hearts alive outside the body for hours. Medtronic uses them to develop blockbuster devices.

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3D printed model in blue, red, and clear poly.

VR technology helps doctors see, plan removal of infant's 'once-in-a-lifetime' heart tumor
By Kent Erdahl

Dr. Shanti Narashimhan, Director of Pediatric Cardiology with M Health Fairview and the UMN Medical School, uses a VR program in use at the VHL to aid in surgical planning.

Dr. Richard DeWall in November 1956 with the heart-lung machine called a "bubble oxygenator," which he developed. Used during heart surgery, the inexpensive and simple arrangement of cylinders and tubing rerouted the patient's blood, mixing it with oxygen.

The chaotic beginnings of the tool that made heart surgery possible
By Michael Merschel

Dr. Richard DeWall in November 1956 with the heart-lung machine called a "bubble oxygenator," which he developed. (photo courtesy of UMN Archives).

V-H-L team working on research in the lab.

University experts are standouts in the race to regenerate tissues for damaged heart and other organs
By Pauline Oo

UMN CSE Inventing Tomorrow magazine features VHL's collaboration with Dr. Brenda Olga.

V-H-L Team behind their booth at MD&M.

The Heart of Minnesota Med Tech Innovation
By Aithanh Nguyen

VHL hosts a table at IEM Innovation Zone.

V-H-L 2024 Staff

Visible Heart® Laboratories joins the Institute for Engineering in Medicine
By Aithanh Nguyen

The shared synergy between IEM and VHL roots back to the Institute’s beginning.

Five researchers with backpacks in the snowy forest.

Who Would Dare to Visit a Bear?
By Lake Country Journal

Learn more about Dr. Paul Iaizzo's bear research and if the complex biological changes in a bear's body during hibernation can teach us something about reducing damage to a human patient's heart

Group celebrating V-H-L's 25th Anniversary.

25 Years of Visible Heart® Laboratories Research & Training at the UMN

Principal Investigator, Paul Iaizzo, PhD, was awarded a Bronzed Human Heart Model by Medtronic in late June during the 25th-anniversary celebration of the Visible Heart® Laboratories within the Department of Surgery at the University of Minnesota Medical School.

VHL students looking at Stratasys 3D printed heart model.

Stratasys donates 3D printers to UMN’s Visible Heart Lab

Located at the University of Minnesota Medical School, the Visible Heart® Laboratories helps medical students, medical device creators, and many others utilize the benefits of 3D printing technology and anatomic models.

Bear walking in the snow through the woods.

Wildlife's Winter Survival Guide

Imagine temperatures below zero for sustained periods, snow several feet deep - all causing a lack of food and housing. It is a reality for many animals.

Red Lake County's Hemly and Bears

Participating in Minnesota bear study an opportunity of a lifetime

An avid outdoorsman from Plummer in Red Lake County, Hemly has spent the past decade assisting bear researchers from the Minnesota Department of Natural Resources with a study to learn more about bears in the northwest part of the state.

Dannyelle Donahue, VHL human hearts capture her heart

Human hearts capture her heart

When she was just 14, Dannyelle Donahue decided to pursue a career as a medical device inventor.

Dr. Paul Iaizzo with international researchers in VHL

Visible Heart Laboratories Reaches International Territories with Education

The Visible Heart® Laboratories at the University of Minnesota Medical School, is bridging the international gap; every year, over half a million people utilize their website.

Bear hibernating in lair

Into the Bear's Lair

Researchers study the hibernation habits of Minnesota's black bears to benefit their kind—and maybe ours.