CT / PET-CT IMAGING IN RADIATION THERAPY

The success of radiation therapy is closely related to the ability to accurately define, plan and deliver radiation treatment to the tumor, while limiting the dose to normal tissue.

Increased accuracy results in improved tumor control rates and a reduction in treatment-related toxicities with improved quality of life for cancer patients. Advances in imaging technologies support improved treatment and the development of new techniques.

Computed tomography (CT) scans acquired in the treatment position before the start of radiation therapy remain the basic imaging modality for contouring tumor target volumes and defining doselimiting normal body structures known as „organs at risk“. For precise dose calculation with a treatment planning system a CT scan is necessary. In the case of lung, esophageal cancer and head and neck cancer, it could be shown that the target volume can be better delineated by means of a PET image fusion with the planning CT.

The treatment isocenter location is identified based on target volumes and treatment area. Once the isocenter is determined or „marked“, this coordinate is part of the treatment plan and can be used as a reference location in subsequent dose calculations.

For the patient marking, external laser systems are essential: A set of localization marks on the skin of the patient is necessary so that the patient can be accurately repositioned on the LINAC. Placement of localization marks can be carried out using different scenarios, taking into account the individual workflow of the clinics and the time requirements for different machines (CT versus LINAC). A welldesigned treatment preparation results in all these steps being seamlessly interrelated and the duration of the entire process being relatively short.

LAP IS YOUR IDEAL PARTNER FOR YOUR EXTERNAL LASER SYSTEMS

The characteristic features of LAP laser systems are sophisticated technology, quality and design for more than 30 years. This level of excellence has made us the global market leader for patient alignment in radiation therapy.

Precise patient marking, accurate planning and exact positioning are key factors for a successful treatment. Patient marking takes place during CT based virtual simulation and is required for reproducible treatment positioning on the LINAC.

Our DORADO & DORADOnova laser systems together with the LAP laser control support this crucial and important marking process and conform to your department’s workflow. e.g.: 

  • Marking on appropriate anatomical location
  • Reference point marking
  • Final isocenter marking
  • Field marking

Offering various configurations and mounting options the DORADO & DORADOnova laser systems are perfectly suited to meet any and all room requirements.

OUR MOVING LASER SYSTEMS ARE RECOMMENDED BY LEADING CT SCANNER VENDORS.

OUR SYSTEMS AT A GLANCE

BASIC SOLUTION

1 movable laser line for sagittal
plane

Transverse and horizontal plane adaption require CT couch movement.

GOLD STANDARD

3 movable laser lines for sagittal
and horizontal plane

Transverse plane adaption requires
CT couch movement.

ADVANCED SYSTEM

5 movable laser lines for sagittal, horizontal and transverse plane

No CT couch movement necessary.

 

For further technical details please refer to the corresponding data sheets.
* Also available as DORADO 1 or DORADO 3: manually adjustable and red laser color only.
** Commercial availablility planned in 2018.

CHOOSING LAP’S MOVING LASER SYSTEMS IN RT INCLUDE …

… SAFETY FIRST

HIGH RELIABILITY & PERFECT PERFORMANCE

All our moving laser systems together with the laser control are certified medical devices, which are developed and manufactured according to EN ISO13485 and are of course RoHS and REACH compliant.

All components used are standard-compliant and conform to the specifications for a medical device.

Regular training on the latest regulatory requirements and state-of-the-art technologies ensure that our developers and engineers are up to date. This in turn guarantees that you can safely use our products within their life cycle.

To ensure successful operation all laser systems will be submitted to a strict quality control before shipping.

Installation, final acceptance testing and commissioning will be done by LAP authorized service engineers only.



… ROOM PLANNING

OUR PRE-INSTALLATION SERVICE

No radiation therapy facility set up is alike. LAP always integrates room planning into each CT / PET-CT project. With the same care with which we develop innovative products, we support you with a professional room planning service. We take your individual room situation into account and thus ensure the accuracy and safety of our moving laser systems at a much wider level.



… ACCURACY AND PRECISION

IN PATIENT MARKING AND ALIGMENT

Modern treatment techniques require precision in every stage of the entire treatment chain, beginning with precise and reproducible patient positioning with the help of a dedicated external laser system.

Integrated in a superior housing our laser systems combine advanced optics, high precision mechanics and state-of-the-art electronics to ensure the highest level of stability and reliability. With the support of LAPs moving laser systems accurate and precise anatomical patient position is guaranteed. Laser system and CT scanner form a reliable unit.



BY THE WAY …

The unique haptic and visual character convince in the well-designed rooms and has been honored with the German Design Award in the category “Medical, Rehabilitation and Health Care”.

Statement of the German Design Award jury:
“The cleanly and precisely designed laser system has a fascinating design orientated to functionality and good operability that simultaneously embodies progressive medicine”

LAP’S FIRST CLASS LASER TECHNOLOGY …

… IS ESSENTIAL TO SUPPORT PATIENT MARKING AND ALIGMENT IN YOUR TREATMENT CHAIN

 

CT SCAN

Patient positioning and marking with external laser system in treatment position

 

GOLD STANDARD

NEXT GENERATION

Sustainable product improvements like latest electronic and mechanical components secure lifetime function & service.

SMART LASER CONTROL

CARINAnav SUPPORTS YOUR INDIVIDUAL WORKFLOW

Start without patient data: just move the lasers with your fingertip or type in coordinates. Or open a planning data set and select the positions from a table. You may anytime override the data set and move the lasers manually or by entering coordinates.

 

 

 

OPTIONAL: MR SCAN & IMAGE FUSION

For contouring the target volume and identifying organs at risk

 

TREATMENT PLANNING

For precise and successful patient irradiation

 

TREATMENT

Patient positioning with external lasers

 

* For more configurations,
mounting versions and
further technical details
please refer to the
corresponding data sheets.

TECHNICAL DATA

DORADOnova
Laser colorred (638 nm), green (520 nm), blue (450 nm)
Laser class2
Laser adjustmentRemote controlled
Line width up to 4 m distance< 0.5 mm (blue), < 1 mm (red, green)
Line length at 3 m distance3 m
Positioning accuracy+/- 0.25 mm
Projection accuracy+/- 0.5 mm at a projection distance of 4 m
Travel range700 mm
Travel speedup to 200 mm/s
Power supply100 … 240 V AC, 50 … 60 Hz
Bridge mountingWidth (customized) 2594-5000 mm (102.1"-196.9")
Height (customized) 2300-2800 mm (96.6"-110.2")
DimensionsDepending of mounting version, please refer our data sheets
Scope of deliveryLaser system, remote control, Wilke phantom, cable set

For further technical details and more information regarding our DORADO and DORADOnova systems please refer to the corresponding data sheets.

Statements

Please find here current statements and declarations regarding our laser systems.