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Updated: Jun 22, 2025

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Ceramic Aneurysm Clip with Titanium Spring.

Myungsoo Kim1, Jaechan Park1

  • 1Department of Neurosurgery, School of Medicine, Kyungpook National University, Daegu, Republic of Korea.

World Neurosurgery
|June 28, 2024
PubMed
Summary
This summary is machine-generated.

New ceramic aneurysm clips with titanium springs offer improved MRI compatibility and reliable closing force. These advanced neurosurgical tools enhance surgical precision and postoperative imaging assessments.

Keywords:
Ceramic aneurysm clipCerebral aneurysmTitanium clipZirconia clip

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Area of Science:

  • Biomaterials Engineering
  • Neurosurgery
  • Medical Device Design

Background:

  • Aneurysm clips are critical in neurosurgery to prevent hemorrhage.
  • Existing titanium clips can cause significant artifacts in Magnetic Resonance Imaging (MRI).
  • Ceramic materials offer potential for improved MRI compatibility.

Purpose of the Study:

  • To design and evaluate novel ceramic aneurysm clips with integrated titanium springs.
  • To assess the ergonomic application, precision, durability, and MRI compatibility of these new clips.

Main Methods:

  • Ceramic clips were designed using 3D CAD software, featuring a zirconia body and titanium spring.
  • Durability was tested by measuring closing forces over 30 open-close cycles.
  • MRI artifacts were evaluated using a 3 Tesla MRI scanner, comparing ceramic clips to titanium alloy clips.

Main Results:

  • Ceramic clips retained 72% of their initial closing force after 30 cycles.
  • Significantly lower MRI measurement discrepancies were observed with ceramic clips compared to titanium alloy clips.
  • Ceramic clips produced clearer images in MRI, especially at the clip's end.

Conclusions:

  • Ceramic aneurysm clips with titanium springs demonstrate satisfactory durability and superior MRI compatibility.
  • These findings suggest potential for enhanced surgical application and improved postoperative assessment in neurosurgery.