Signa Voyager

Description

Overview

The GE SIGNA Voyager 1.5T represents a balanced approach to modern magnetic resonance imaging, combining clinical flexibility, patient ergonomics, and cost efficiency. Built around a $70\text{ cm}$ wide-bore opening and an accessible Comfort Plus Table, the SIGNA Voyager makes high-field $1.5\text{T}$ scanning accessible to claustrophobic, bariatric, and pediatric patients without sacrificing signal-to-noise ratio (SNR) or diagnostic accuracy.

At the core of its digital performance is GE’s Total Digital Imaging (TDI) architecture. Utilizing a Direct Digital Interface (DDI) along with Digital Surround Technology (DST), the system simultaneously receives and digitizes signals from up to 65 surface and body coil elements, delivering a $25\%$ boost in SNR over analog systems. Combined with AIR Recon DL (deep-learning raw $k$-space denoising) and MAGiC (synthetic contrast compilation), the SIGNA Voyager allows medical centers to cut scan times by up to $50\%$ while running high-throughput daily schedules.

Key Features & Advanced Technologies

• 70 cm Wide Bore & Low Table Height: Features a flared aperture, bright inner-bore LED lighting, and a table that lowers significantly to improve transfer ease for elderly and mobility-impaired patients.

• Ultra High Efficiency (UHE) Gradient System: Generates $45\text{ mT/m}$ peak amplitude and $200\text{ T/m/s}$ slew rate equivalent performance with half the electrical current of conventional gradient drivers, significantly reducing heat generation and energy usage.

• AIR Recon DL Deep Learning Engine: Uses AI deep learning to eliminate raw $k$-space image noise and truncation ringing artifacts, enhancing resolution while accelerating scan protocols by up to $50\%$.

• MAGiC (Magnetic Resonance Image Compilation): Acquires multiple image contrasts ($T_1, T_2, \text{FLAIR}, \text{STIR}, T_1\text{-}T_2, \text{PD}$) in a single 5-minute acquisition, allowing radiologists to retroactively modify contrast parameters post-exam.

• TDI & Digital Surround Technology (DST): Combines signal inputs from surface coils and the integrated quadrature body coil to deliver high SNR and deep tissue penetration across large fields of view.

• AIR Touch™ & AIR x™ Automated Workflow: Automates coil selection, element switching, and slice positioning for brain and knee exams, cutting setup steps by $59\%$ and reducing operator variability.

• Eco-Friendly Siting & Operation: Consumes up to $46\%$ less electricity than previous-generation $1.5\text{T}$ scanners and features a compact room footprint (down to $23.5\text{ m}^2 / 253\text{ sq ft}$) for quick installation.

Technical Specifications