Non Contact Catheter Balloon Measurement - Medical Production Technology Europe

Inspection of geometry and single wall thickness

The VBT-serie balloon geometry testing equipment is designed for a fast measurement of balloon profiles of inflated balloons. The VBT measuring machine is equiped with a sophisticated vision system using a large field of view (63 mm) using a telecentric measuring lens. The VBT-LS version has been fitted with a line scanning system. It can measure balloons upto 150 mm A lighting module provides an evenly distributed amount of light for the vision system to perform accurate measurements of the the balloon transition points and diameter.

Automatic catheter balloon measurement machine for geometry and single wall thickness

Automatic optical catheter balloon measurement machine for geometry and single wall thickness

The machine is controlled by a PC. The user interface is easy to understand and makes it possible to generate your own test programs. All the balloon geometry specifications are stored in a data file. The inflation pressure (1 to 30) for the balloons can be programmed using a macro-language. With this languages a test program can be composed with delays, pressure steps and measuring points. The balloon measuring machine will register the actual pressure when taking a measurement. All measurement data can be stored, and reports can be generated per lot number.

The VBT-LS serie non contact catheter balloon measurement machine is designed for a fast measurement of balloon profiles of inflated balloons, as well as measurement of the single wall thickness of the balloon. The VBT-LS tooling is equipped with a sophisticated vision system using a line scanning camera system (180-200 mm FOV).

High accuracy single wall thickness measurement

It also has a sensor probe for measuring the wall thickness of the balloons without contact (single and multi layer). The geometry information of the balloon that is measured with the vision system is used for positioning the wall thickness measuring probe. Positioning takes place fully automatic with a XYZ servo system.

Optionally the tool can be fitted with a product rotation system that allows for 360 degrees balloon inspection. There are two modules available (finished product with hub connector or balloon component) Measurements are very accurate and repeatable (aprox. 0.0005 mm).

Graph single wall balloon thickness

Graph single wall balloon thickness

The non contact catheter balloon measurement is controlled by a PC. The user interface is easy to understand and makes it possible to generate your own test programs. All the balloon geometry specifications are stored in a data files and can be exported to Excel. The inflation pressure (1 to 30) for the balloons can be programmed using a macro-language. With this languages a test program can be composed with delays, pressure steps and measuring points.

The tool is equipped with a PLC controller for machine level control and a PC for operator interface. The tool will register the actual pressure when taking a measurement. All measurement data can be stored, and reports can be generated per lot number.

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