The Cognex 3D-A5060 3D area array vision system enables precise radiotherapy and a new dimension of human positioning monitoring

Client:Brainlab

Product: Cognex 3D-A5060 3D Area Array Vision System

Challenge:

1. Calibrated high-resolution real-time human positioning data in real 3D space.

2. Real-time overlap of 3D point cloud data with thermal imaging and X images.

Outcome:

1. The 3D-A5060 three-dimensional vision system can capture the 3D point cloud on the surface of the human body while the surgical instrument obtains thermal imaging and stereoscopic X-ray images.

2. Align the three image datasets with the real-time human body position information dataset in realistic 3D coordinates to achieve accurate human body positioning.

01. About Brainlab

Founded in 1989 and headquartered in Munich, Germany, Brainlab's products provide the advanced tools needed to optimize cancer treatment planning, monitor and validate tumors for high-precision operation throughout the radiation therapy process.

02. Challenges in cancer treatment

Image-guided radiation therapy (IGRT) is known to help medical professionals perform non-invasive and safe procedures on patients. In radiation therapy, ionizing radiation is directed at the tumor with the help of a linear accelerator, but the exposure to malignant tissue must be as precise as possible. Sometimes, benign and very important tissues are only a few millimeters away from the tumour tissue. Therefore, it is crucial to track the patient's location continuously and accurately.

The Brainlab system enables the operator to position the human body with sub-millimeter accuracy. It combines surface thermography guidance with X-ray imaging for continuous human body positioning and surveillance. But developing this groundbreaking localization and surveillance system is a complex process that requires high-performance surface imaging equipment.

03. 3D-A5060 three-dimensional area array vision system helps precise radiotherapy

To ensure sub-nanon accuracy on human skin and its surrounding devices, and to maintain this accuracy at all times. The 3D cameras used in the Brainlab system must not only be very precise, but also react very quickly. Secondly, because the orientation of the vision system must avoid any obstructions, and the camera must be placed in a specific position where the best distance can be maintained from the patient, how or at what angle the camera can be mounted to observe the patient is another challenge. *The system also needs to merge the thermal image generated by the thermal camera with the 3D surface structure of the human body as an additional dimension to track the position of the human body.

That's why Brainlab partnered with Cognex to provide the right surface imaging equipment for this task. After extensive research, Brainlab decided to overcome these obstacles with the Cognex 3D-A5060 3D area vision system.

Cognex's 3D-A5060 is a 3D area vision system designed for fast capture of high-resolution and high-precision 3D images. It uses 3D Light Burst technology to capture images quickly and maximize throughput. Light Burst technology projects a unique blue light onto the part, delivering full-field 3D point cloud images at frame rates of up to 200 milliseconds, resulting in higher throughput and shorter cycles for applications where every second counts. The 3D point cloud image is composed of more than 1.5 million 3D data points, which can accurately reconstruct the surface features of the image.

After extensive testing, the Cognex 3D-A5060 3D area vision system was highly accurate and fast enough to meet all of Brainlab's requirements. Brainlab was pleasantly surprised by the results.

04. Excellent cooperation

By adding Cognex's 3D imaging technology to the Brainlab system, experts around the world are already experiencing the benefits of this integrated system.

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