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Elements Cranial SRS

Inherent Intelligence for Cranial Indications

Elements Cranial SRS is an efficient treatment planning tool for cranial indications with a high degree of automation.

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Effective, intelligent, highly automated treatment planning software for cranial indications
Unique approach to treating cranial indications that optimizes the plan for the specific case

Efficient Treatment Planning for Cranial Indications

Treatment planning systems generally simplify planning by using a ‘one-size-fits-all’ approach. Cranial SRS, however, is a unique application that optimizes the planning process based on a specific cranial indication.

  • Indications include but are not limited to arteriovenous malformation (AVM), pituitary adenoma, vestibular schwannoma, meningioma and large metastases
  • Flexibility to configure planning templates according to individual clinical protocols
  • Automatic detection of cranial organs at risk (OARs) saves user time and enables consistency
4Pi optimization algorithm supports the ideal placement of non-coplanar arcs

Arc Trajectory Optimization

Optimal placement of non-coplanar arcs is a challenging task for even the most experienced planners. High plan quality can be achieved by leveraging a 4Pi optimization algorithm and clinically-generated controls that unite all the options and benefits demanded by Cranial SRS.

  • Selection of table angles is automatically generated for optimal placement based on the most critical OARs dependent upon indication
  • Gantry starting and stopping angle as well as table angle vary according to OARs to complete trajectory optimization
  • VMAT optimization takes trajectory optimization into account to create an optimized deliverable plan
VMAT approach enables sharp dose gradients and MU-efficient plans

Dynamic Gradient & MU Optimization

In order to create the sharpest dose gradient and most MU-efficient plans, the unique Brainlab VMAT approach is an elegant mixture of automation and control. It is characterized by clinical control tools that enable the user to make subtle plan modifications.

  • Unique VMAT algorithm accesses high dose rates necessary for SRS treatment
  • Plans are MU efficient; using specialized optimization constraint techniques
  • Plan modifications can be quickly visualized and implemented with intuitive tools, affecting MU and normal tissue metrics (CI and GI)
Modulation of dose can be altered to create a plan that resembles VMAT more or less depending on user preference

Easy User Control Over Dosimetric Robustness

For demanding cases, it may be necessary to increase the dose modulation to meet OAR dose constraints. However, for cases where the PTV is isolated, it may be desirable to reduce modulation to improve the plan’s dosimetric stability.

  • Dose modulation can be changed by making the plan more or less VMAT-like
  • Clinical controls allow users to easily influence and produce a more dosimetrically robust plan
Datasets can be displayed in a multitude of ways including unique 3D views to show dose distribution.

Unique Views for Dose Evaluation 

Control over planning parameters is facilitated via straightforward views and unique dose displays. These have been implemented for not only PTV but also the most critical OAR so that tradeoffs can be readily assessed.

  • Multiple dataset display of dose distribution
  • Unique 3D views for optimal dose analysis
  • Volumetrically visualizes dose interface