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Evaluating new hypodermic and intradermal injection devices.

P E Laurent1, R Pettis, W Easterbrook

  • 1BD Medical, Pharmaceutical Systems, Medical Affairs, Le Pont-de-Claix, France. philippe_laurent@europe.db.com

Medical Device Technology
|April 14, 2006
PubMed
Summary

The wicking spear gravimetric method offers a reliable and consistent approach for fluid leakage collection. This method minimizes errors and provides clinically relevant measurements, even after extended storage.

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Area of Science:

  • Biomedical Engineering
  • Analytical Chemistry

Background:

  • Accurate fluid leakage collection is crucial for various biomedical applications.
  • Existing methods may present challenges in consistency and error minimization.

Purpose of the Study:

  • To evaluate the wicking spear gravimetric method for fluid leakage collection.
  • To assess the reliability and accuracy of a kit designed for this method.

Main Methods:

  • Selection of the wicking spear gravimetric method for its ease of use and consistency.
  • Utilization of a kit with glass sample collection tubes for spear storage and transport.
  • Batch weighing of collection tubes with spears in a central laboratory before and after fluid collection.

Main Results:

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  • The wicking spear method demonstrated high consistency and ease of use.
  • The kit provided reliable storage and shipment of samples.
  • Centralized batch weighing minimized operator and balance errors.
  • Volume detection threshold below 2 microL with measurement error under 1 microL after 12 days at room temperature.

Conclusions:

  • The wicking spear gravimetric method is a reliable and accurate technique for fluid leakage collection.
  • The associated kit ensures sample integrity during storage and transport.
  • The method's accuracy is clinically relevant, with minimal error even after prolonged storage.