Mobile C-arm

Overview

The mobile C-arm is a versatile medical imaging device designed for intraoperative fluoroscopy. Its C-shaped frame houses an X-ray source and detector, allowing real-time visualization of anatomical structures during surgical or diagnostic procedures. Developed in the mid-20th century, modern C-arms feature digital detectors, reduced radiation doses, and enhanced mobility, making them indispensable in operating rooms and clinics. They are particularly valuable in orthopedic, vascular, and pain management interventions.

Structure and Working Principle

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A mobile C-arm consists of a C-shaped gantry, X-ray generator, image intensifier or flat-panel detector, and a workstation for image processing. The C-arm can be rotated horizontally and vertically to capture images from multiple angles without repositioning the patient. During operation, X-rays pass through the patient and are captured by the detector, converting them into real-time video or still images. Advanced models offer 3D reconstruction and low-dose modes to minimize radiation exposure.

Key Features

Modern mobile C-arms prioritize user safety and image quality. Key features include compact designs for easy navigation in crowded ORs, motorized movements for precise positioning, and high-resolution detectors (e.g., 16-bit flat panels). Many models integrate dose-reduction technologies, such as pulsed fluoroscopy, and compatibility with surgical navigation systems. Wireless connectivity allows seamless integration with hospital PACS (Picture Archiving and Communication Systems).

Application Areas

Mobile C-arms are widely used in trauma surgery (e.g., fracture fixation), spinal procedures (e.g., pedicle screw placement), and cardiovascular interventions (e.g., angiography). They are also employed in pain management (e.g., epidural injections) and urology (e.g., stent placements). Portable models are favored in emergency rooms and field hospitals due to their rapid deployment and versatility in imaging extremities or the torso.

Maintenance and Precautions

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Regular maintenance includes detector calibration, mechanical joint lubrication, and software updates to ensure consistent performance. Radiation safety is critical; operators must wear lead aprons and use collimation to limit exposure. Annual inspections by certified technicians are recommended to comply with regulatory standards. Proper storage in dry, temperature-controlled environments prevents damage to sensitive components.

B2B Procurement Guide

When procuring mobile C-arms, evaluate factors like detector type (flat-panel vs. image intensifier), field of view (e.g., 12-inch vs. 16-inch), and compatibility with existing workflows. Request demos to assess ease of use and image clarity. Prioritize vendors offering comprehensive training, warranty coverage, and local service support. For reference, mid-range models with basic features start at approximately $80,000, while premium systems with 3D capabilities can exceed $200,000.