Optimizing the Functionality of Medical Devices

Pressure mapping enables the assessment of the design, ergonomics, and safety of medical devices.

Optimize Medical Device Functionality

Challenge

Validation and improvement of the efficiency and accuracy of medical devices and precision tools have been the main focus of manufacturers and researchers. Contact pressure distribution plays a vital role in both the evaluation of the effectiveness of a surgical apparatus or the ensuring of the fit of a health-monitoring device.

Interface pressure data is the instrument used to achieve the safety and accuracy of a number of medical procedures.

Solution

The I-Scan™ pressure mapping system is used by researchers and engineers throughout the medical device industry to help in developing innovative tools, in assessing product quality, ergonomics, and even manufacturing equipment.

I-Scan is a robust tool which accurately measures and analyzes interface pressure between two surfaces. The system is made up of a thin and flexible sensor, data acquisition electronics, and analysis software.

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Laparoscopic Surgical Gripper Tool

Surgical gripping devices can be tested with the I-Scan in order to evaluate hinge design. The gripper clamps down on the sensor, while software displays the pressure distribution in real-time. To achieve optimal gripping force, various hinge designs can be tested and compared.

Validate Prosthetics

Cardiac Prosthetic Attachment

Cardiac Prosthetic Attachment

I-Scan provides an efficient way to test the adhesion necessary to repair cardiac valves, this is seen in the left images. The right images show the adhesion necessary to replace cardiac valves. The data can be used both to optimize device performance, and to optimize the surgical process.

Human Knee Joint Implant

Human Knee Joint Implant

By revealing pressure uniformity between the medial and lateral compartments the test shows the proper function of a knee joint implant.

Pinpoint Failure Locations

Surgical Tourniquet Cuff (arm)

Surgical Tourniquet Cuff (arm)

An uneven pressure distribution displays when testing the functionality of a tourniquet cuff.

Peristaltic Insulin Pump

Peristaltic Insulin Pump

To determine if the correct amount of insulin is being delivered, a sensor is placed between the roller and plastic tube of an insulin pump. The image on the left displays the pressure profile of the roller at one point during a stroke; the image on the right shows an entire stroke. The pressure images reveal an uneven loading on the tube during the stroke.

Tekscan pressure mapping systems provide unique data and insight that cannot be found anywhere else.

Syringe Grip Ergonomics (using Grip™ System)

Syringe Grip Ergonomics (using Grip™ System)

Surgical Retraction (stent tool R&D)

Surgical Retraction (stent tool R&D)

Antiseptic Spray Pattern

Antiseptic Spray Pattern

Balloon Catheter (stent material & process R&D)

Balloon Catheter (stent material & process R&D)

Balloon Catheter (stent material & process R&D)

Manufacturing Process Evaluation

Manufacturing Process Evaluation

Manufacturing Process Evaluation

Wearable Monitoring Device Ergonomics

Wearable Monitoring Device Ergonomics

Wearable Monitoring Device Ergonomics

Medical Device Pressure Measurement Applications

  • R&D for new product design
  • Comfort/fit evaluation
  • Testing and design validation

Benefits with Pressure Mapping

  • Optimize product performance
  • Ensure safety
  • Improve design
  • Improve ergonomics

Intuitive Software Analysis Tools

I-Scan’s comprehensive software displays pressure data in real time with the ability to record, save, and play back recording files (.fsx), or export as an ASCII text file (.csv) for use with other programs.

  • Real-time display of pressure sensor data in both 2D and 3D
  • Graphing & data analysis (pressure, force and area)
  • View and compare multiple test results simultaneously
  • View data as an integrated Microsoft Excel table
  • Display peak pressures and center of force
  • Export data to ASCII or AVI files

Sensors can be used multiple times, come in different shapes and provide pressure reading that is accurate.

This information has been sourced, reviewed and adapted from materials provided by Tekscan, Inc.

For more information on this source, please visit Tekscan, Inc.

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