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Related Experiment Videos

Hema and latex: a dangerous combination?

M Forsting1, K Sartor

  • 1Department of Neuroradiology, University of Heidelberg, Federal Republic of Germany.

Neuroradiology
|January 1, 1991
PubMed
Summary

Latex balloons used for endovascular aneurysm treatment with Hema filler ruptured within 4 weeks. This incompatibility necessitates using silicone balloons with Hema for safer intracranial aneurysm treatment.

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Area of Science:

  • Biomaterials Science
  • Neurosurgery
  • Medical Device Engineering

Background:

  • Endovascular treatment of intracranial aneurysms utilizes detachable balloons filled with hardening materials.
  • Compatibility issues between latex balloons and Hema (a hardening filler) are known, particularly between different manufacturers.

Purpose of the Study:

  • To investigate the compatibility of latex balloons and Hema from the same manufacturer for endovascular aneurysm treatment.
  • To evaluate the mechanical integrity and material interactions over time.

Main Methods:

  • Twenty latex balloons were filled with Hema according to manufacturer recommendations.
  • Balloons were observed for 4 weeks to assess integrity and material changes.

Main Results:

  • All 20 latex balloons ruptured within the 4-week observation period.
  • Balloons showed a 5-10% weight gain, attributed to osmotic water shifts.
  • Hema hardening led to a loss of latex elasticity, contributing to balloon failure.

Conclusions:

  • Latex balloons are incompatible with Hema, even from the same manufacturer, leading to device failure.
  • Silicone balloons are recommended over latex balloons when using permanent fillers like Hema for intracranial aneurysm treatment.
  • Further research is needed to resolve material compatibility issues for safer endovascular procedures.

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