Three-Dimensional (3D) Microcatheter Shaping Using Touch Screen Devices for Cerebral Aneurysm Coil Embolization.

Area of Science:

• Neurosurgery
• Interventional Radiology
• Medical Device Technology

Background:

• Precise microcatheter shaping is vital for successful cerebral aneurysm coil embolization.
• 3D microcatheter manipulation is often necessary but technically demanding.

Purpose of the Study:

• To evaluate a new shaping on screen (SOS) method using real-size 3D rotational angiography (RA) on a touch screen.
• To assess the SOS method's utility in facilitating 3D microcatheter shaping during aneurysm embolization.

Main Methods:

• 18 patients with cerebral aneurysms were treated using the SOS technique.
• Real-time 3D-RA images were displayed on a touch screen for microcatheter manipulation.
• Microcatheter shapes were adjusted via touch screen interaction and mandrel bending.

Main Results:

• No procedure-related complications occurred.
• Mean aneurysm packing density was 41% ± 12%.
• Microcatheters were inserted without guidewire assistance in most cases, with stable post-coiling shapes.

Conclusions:

• Touch screen-based 3D microcatheter shaping is a simple and safe approach for cerebral aneurysm coil embolization.
• This method can lead to high packing densities and stable microcatheter positioning.