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VasQ – Information for Vascular Surgeons

By Laminate Medical
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The VasQ device offers a revolutionary solution in AV fistula care. What vascular surgeons need to know about VasQ.


Vascular access for hemodialysis patients:


The surgically created arteriovenous (AV) fistula is the standard of care and preferred access for hemodialysis.

The AV fistula is constructed by suturing together an artery and a vein so that the arterial pressure in the anastomosis dilates the vein, thus enabling accommodation of the two needles needed for hemodialysis.

A fistula newly created by a vascular surgeon must mature (i.e., undergo dilation and remodeling) in order to be functional for dialysis; a process that takes 6-8 weeks.


Despite the clear benefits of mature fistulas, early failure occurs in over 40% of cases.
Failure is often due to clotting and thrombosis of the fistula which is caused by turbulent flow patterns around the anastomosis region and is associated with exposure of the vein to high pressure and wall tension.


What your vascular surgeon needs to know about the VasQ device:


The VasQ device is a subcutaneous arteriovenous conduit for vascular access.

It is an external support of conduits for brachiocephalic or radiocephalic AVF only.

The device has no contact with the blood circulation and no suturing to the blood vessel.


The device addresses the root causes of AVF failure:

  1. Turbulent flow
  2. Increased venous wall tension that may lead to stenosis and thrombosis It has proved safe and effective in human cases and can reduce medical costs and hospital stays.

General information about the device for vascular surgeons:


The VasQ device comes in sterile packaging for single use only and is intended for use by physicians with the appropriate training. It supports vein and arteries with an external diameter smaller than 2.5mm and is available in different diameters according to the vein diameter.

There have been no reports of unusual complications with the VasQ device besides the usual problems expected of arteriovenous fistula procedures such as re-intervention and fistula occlusion as well as possible fistula failure and bleeding.


Intraoperative use of the VasQ device:


Implantation of the VasQ device takes only 1 minute and does not affect the normal surgical practice.

The operation includes the following steps:

  • The vascular surgeon exposes the vein and artery through a skin incision
  • The vascular surgeon then dissects the brachial artery and cephalic vein and cuts the cephalic vein in order to prepare for an end-to-side anastomosis
  • The side branches are sutured and then, using the laminate model selection tool to gauge the artery external diameter, VasQ model 4B, 5B, 6B, or 7B is chosen accordingly
  • The vascular surgeon threads the VasQ device up the vein and slides it onto the vein-artery anastomose
  • Finally, the fistula is examined for adequate flow and lack of leaks and then the incision is closed and sutured

The device received the CE mark approval and is available in Europe.

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