PoleStar
Surgical MRI System
The PoleStar® N30 Surgical MRI

PoleStar Surgical MRI System

The PoleStar® Surgical MRI System from Medtronic helps improve clinical outcomes by providing real-time intra-operative imaging used in computer-assisted surgery.

About the PoleStar Surgical MRI System

The PoleStar Surgical MRI system is the only compact intra-operative MRI image guidance system that can be integrated into a standard operating room without extensive construction. It provides seamless integration of real-time, 3D visualization imaging with navigated surgery, enabling neurosurgeons to improve patient outcomes for brain tumor resections.

PoleStar Surgical Imaging Clinical Benefits

  • Eliminates uncertainties resulting from brain shift during the surgery
  • Helps preserve healthy tissue by verifying the extent of resection
  • Confirms surgical goals are met before the patient leaves the OR, which reduces the likelihood that the patient will need repeat surgery
  • Enables smaller craniotomies resulting in faster recovery time and shorter hospital stays
  • Provides tumor differentiation capabilities that enable neurosurgeons to biopsy and operate on lesions that might otherwise be considered inoperable

PoleStar Surgical Imaging Ease-of-Integration Benefits

 

System Specifications

Key magnet and system specifications for the PoleStar® N30 and N20 surgical imaging systems are provided below.

Magnet SpecificationsN30N20
TypePermanentSAME

Design

Open & CompactSAME
Field0.15 TSAME
Maximum gradient amplitude23.5 mT/m22 mT/m
Field of View16 cm x 20 cm x20 cmSAME
Gradient slew rate80 T/m/S20 T/m/S
Aperture25 cmSAME
5 Gauss line2.2 m (7.2 ft)SAME
System Dimensions & Weight
Height (in lowered position)37.2" (0.95 m)40.4" (1.03 m)
Depth50.0" (1.3 m)SAME
Width31.5" (.8 m)SAME
Weight1500 lbs (680 kg)1675 lbs (760 kg)

Additional PoleStar N30 surgical imaging system specs: 

  • Operating Temperature:  04° to 72° F (18° to 22° C)
  • Shipping and Storage: 40° to 115° F (5° to 45° C)
  • Operating Voltage: 3 phase, 400 V x 12 amp
  • Frequency: 50 Hz to 60 Hz
  • Power: 9 kVA
  • Operating Relative Humidity: 20% to 80% Non-condensing
  • Shipping and Storage Relative Humidity: 10% to 50% Non-condensing
  • Scan Time: 8 sec to 13 min (average/typical is 3.5 to 7 min). With the new N30, scan times for T2 and FLAIR scans can be reduced by half due to the stronger gradients. The greater the detail needed, the longer the scan.
  • Slice Thickness: 1.5 mm pixel size, 2 – 5 mm slice thickness (contiguous)
The PoleStar N20 side-by-side with the PoleStar N30

PoleStar N20 System side-by-side with PoleStar N30 System

Last updated: 22 Sep 2010

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