SVP

Stent and Vascular Prosthesis Tester

The SVP is a stent and vascular prosthesis tester designed to create accelerated cyclic pulsatile loading on synthetic or biological vessels, 2mm to 16mm in diameter.

Overview

The SVP operates by setting the baseline pressure, simulating the diastolic pressure, then pulsing the samples to simulate the systolic pressure using a bellows system for fluid delivery. This pulsing, when performed under recommended conditions, closely recreates the movement that occurs in vivo.



The SVP is equipped with an external water bath tank for sample submersion, which maintains samples at a given temperature and can create a saline environment for devices that are attached externally to your mock vessels. Due to the interchangeable manifold design, a wide variety of sizes and shapes can be accommodated on the SVP. This tester is designed to test samples from 2 to 16mm ID to any desired custom shape. The number of samples is determined by the shape and volume needed to achieve the target deflection.

The DC7000, a micro processor based controller allows for enhanced levels of experimental control and data capture. The DC7000 controls the speed, pressure and temperature, while recording the cycle count and allowing for graphing of the pressure signal by use of highly precise pressure transducers.

The Dynatek Hyper Drive, gives a number of key benefits to the SVP:

The Hyper Drive is capable of testing speeds of up to 150Hz, allowing for rapidly accelerated testing.

The Hyper Drive can be adjusted without interrupting the test. This is particularly critical for deflection-based testing of smaller cardiovascular devices where the target deflection may be less than 1%.

Advantages of this Tester