MRI Imaging Machine: Working Operation and Top Manufacturers

Introduction

Magnetic Resonance Imaging (MRI) is a non-invasive diagnostic technique that produces detailed images of the body’s internal structures using strong magnetic fields and radio waves. Unlike X-rays or CT scans, MRI does not involve ionizing radiation, making it a safer option for many patients.

MRI imaging machine Working

MRI machine produces detailed images of the body’s internal structures using strong magnetic fields and radio waves. Following section describe overview of how an MRI machine works.

MRI Imaging Machine

Image Courtesy : Siemens Healthineers

Step-1 : Proton Alignment: The MRI scanner generates a strong magnetic field that aligns hydrogen protons in the body along the field’s direction.

Step-2 : Radiofrequency Pulse Application: A radiofrequency pulse is applied to temporarily disturb this alignment, causing the protons to tilt away from the magnetic field.

Step-3 : Signal Emission During Realignment: When the radiofrequency pulse is turned off, the protons realign with the magnetic field, emitting energy signals in the process.

Step-4 : Signal Detection and Image Formation: These emitted signals are detected by receiver coils and processed by a computer to construct detailed images of the scanned area.

Step-5 : Image Interpretation: Radiologists analyze these images to diagnose conditions, monitor disease progression, or plan treatments.

In summary, MRI technology leverages the magnetic properties of hydrogen protons in the body to generate detailed images without the use of ionizing radiation, making it a valuable tool in medical diagnostics.

Benefits of MRI machine

Following are some of the advantages of MRI machine.

  1. It provides exceptional contrast between different soft tissues. This is very useful to diagnose neurological conditions and soft tissue abnormalities.
  2. MRI machine employs strong magnetic fields and radio frequency waves. This eliminates radiation exposure which is very useful for children and pregnant women.
  3. MRI machine detects changes in blood flow which helps in analyzing brain functions and planning neurosurgical procedures.
  4. MRI evaluates heart related characteristics without any invasive procedures.
  5. Advancements in MRI technology such as open MRI machines and wide bore helps patients with claustrophobia or large sizes improve comfort without any compromise on image quality.
  6. High resolution images obtained from MRI machine help in early detection of diseases.

MRI Scan machine manufacturers

The MRI equipment market is growing and following are some of the popular manufacturers known for their advanced imaging solutions including MRI scan machines.

ManufacturersProduct with features
Siemens HealthineersOffers a range of MRI systems known for their innovation and quality.Products include MAGNETOM Sola (As shown in figure), MAGNETOM Vida, MAGNETOM Lumina, MAGNETOM Cima.X, MAGNETOM Terra.X etc.
GE HealthcareProvides MRI machines with a focus on efficiency and patient comfort. Products include SIGNATM 1.5T series, SIGNATM 7T, SIGNATM PER/MR AIR etc.
Philips HealthcareKnown for integrating cutting-edge technology in their MRI systems. Products : Ingenia 1.5T and 3T etc.
Canon Medical SystemsFormerly Toshiba Medical, they offer MRI scanners utilizing magnetic fields and radio waves for imaging. Products : Vantage Orian 1.5T and Vantage Fortian 1.5T.
Hitachi Medical SystemsProvides a variety of MRI solutions catering to different clinical needs.
United Imaging HealthcareA global leader in advanced medical imaging and radiotherapy equipment.

Summary

MRI scan machine has ability to differentiate between various tissue types makes it invaluable in detecting and monitoring conditions affecting the brain, spine, joints and internal organs. Leading manufacturers such as Siemens Healthineers, Philips Healthcare, GE HealthCare and Canon Medical Systems continue to innovate. They offer advanced MRI systems tailored to diverse clinical needs. As technology progresses, MRI imaging machines are becoming more efficient, patient friendly and easily accessible.