Medical Devices

ExoVasc® PEARS

The ExoVasc® PEARS is used to support the aortic root and the ascending aorta. It is used in two procedures, which we refer to as Aortic PEARS and Ross-PEARS.

Before either procedure, the patient receives a CT scan to produce images and data from which a 3-dimensional model of the aorta is made. From this model, 3-D printing is used to create a polymeric former that exactly matches the patient’s individual aorta.

This former is used to provide the shape of the ExoVasc® PEARS implant, which is manufactured using polyethylene terephthalate, a soft and pliable biocompatible textile.

Once implanted, the ExoVasc® PEARS becomes incorporated into the aortic wall.

Further surgery to manage the condition for which it was implanted is unlikely to be necessary. However, the ExoVasc® PEARS does not preclude further aortic intervention if it is needed in the future.

It is not electrically conductive or magnetic and is compatible with CT, MRI body scanners and airport security scanners.

It requires no maintenance and will last for the patient’s lifetime.

Patient stories

“This procedure is simple and elegant and it’s going to change my life.”

– Matia Brocker | Date of procedure: 2019

Aortic PEARS

In the Aortic PEARS procedure, an ExoVasc® PEARS supports the dilated aorta, for example in people with connective tissue disorders such as Marfan syndrome, Loeys-Dietz syndrome or bicuspid aortic valve.

Ross-PEARS

The Ross-PEARS procedure replaces a diseased aortic valve with the patient’s own healthy pulmonary valve, which is then supported by an ExoVasc® PEARS.

Patient stories

Dennis Lieskamp

“Five months later, I’m doing well, very well. Rehabilitation completed, no more medication. The rest of my life has begun.”

Date of procedure: 2025

Age: 37

Scott Stowell

“I believe the benefits of the PEARS procedure are too high for the medical community here in the States to continue to ignore: no bypass machine, a shorter operation, no part of your heart is cut out or replaced, the surgery is significantly cheaper than VSRR or Bentall, the ExoVasc graft is custom-made to your exact dimensions, and unlike VSRR, which will likely require a second surgery down the road, the ExoVasc graft is designed to last a lifetime.”

Date of procedure: 2025

Age: 28

Patient benefits brochures

You may find our patient benefits brochures useful when discussing the ExoVasc® PEARS with your doctor.

Regulatory information

Information on regulatory approvals for the ExoVasc® PEARS.

Medical Devices

ExoVasc® PEARS

Patient stories

Aortic PEARS

Ross-PEARS

Patient stories

Dennis Lieskamp

Scott Stowell

Patient benefits brochures

Regulatory information

Where you can get the ExoVasc® PEARS

quick links

statements & policies