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01-01-2013 | Interventional

Accuracy and speed of robotic assisted needle interventions using a modern cone beam computed tomography intervention suite: a phantom study

Authors: Boris Schulz, Katrin Eichler, Petra Siebenhandl, Tatjana Gruber-Rouh, Christoph Czerny, Thomas Josef Vogl, Stephan Zangos

Published in: European Radiology | Issue 1/2013

Abstract

Objective

To analyse the feasibility and accuracy of robotic aided interventions on a phantom when using a modern C-arm-mounted cone beam computed tomography (CBCT) device in combination with needle guidance software.

Methods

A small robotic device capable of holding and guiding needles was attached to the intervention table. After acquiring a 3D data set the access path was planned on the CBCT workstation and shown on the intervention monitor. Then the robot was aligned to the live fluorosopic image. A total of 40 punctures were randomly conducted on a phantom armed with several targets (diameter 2 mm) in single and double oblique trajectory (n = 20 each). Target distance, needle deviation and time for the procedures were analysed.

Results

All phantom interventions (n = 40) could be performed successfully. Mean target access path within the phantom was 8.5 cm (min 4.2 cm, max 13.5 cm). Average needle tip deviation was 1.1 mm (min 0 mm, max 4.5 mm), time duration was 3:59 min (min 2:07 min, max 10:37 min).

Conclusion

When using the proposed robot device in a CBCT intervention suite, highly accurate needle-based interventional punctures are possible in a reasonable timely manner in single as well as in double oblique trajectories.

Key Points

• Percutaneous image-guided biopsy is an important contribution of modern radiology.

• A compact robotic device has been developed which may facilitate such procedures.

• Accurate needle-based interventions are possible in a timely manner.

• Complex trajectories and even deep access paths are possible.

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Title: Accuracy and speed of robotic assisted needle interventions using a modern cone beam computed tomography intervention suite: a phantom study
Authors: Boris Schulz
Katrin Eichler
Petra Siebenhandl
Tatjana Gruber-Rouh
Christoph Czerny
Thomas Josef Vogl
Stephan Zangos
Publication date: 01-01-2013
Publisher: Springer-Verlag
Published in: European Radiology / Issue 1/2013
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI: https://doi.org/10.1007/s00330-012-2585-0

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Accuracy and speed of robotic assisted needle interventions using a modern cone beam computed tomography intervention suite: a phantom study

Abstract

Objective

Methods

Results

Conclusion

Key Points

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Objective

Methods

Results

Conclusion

Key Points

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