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Why in News?
- The significant contribution of space exploration programs, particularly by NASA and ISRO, to the healthcare sector is gaining recognition as over 2,000 commercial products have been adapted from space technologies for medical use on Earth.
Diagnostic and Imaging Advancements
- Digital image processing techniques used in modern CT scans, MRIs, and ultrasounds were initially developed by NASA for analyzing planetary and lunar images.
- Algorithms for contrast stretching and edge detection, designed for space observations, now help doctors distinguish tissues in low-contrast medical scans.
- Infrared ear thermometers utilize sensors and optics that were originally created to measure the temperature of stars and celestial bodies.
- Miniaturized lab-on-chip devices for blood analysis were developed to enable essential blood testing for astronauts in microgravity environments.
Medical Devices and Interventions
- Ventricular Assist Devices or heart pumps were co-developed using NASA’s flow-dynamics expertise to prevent damage to blood cells during pumping.
- Programmable pacemakers incorporate radiation-hardened electronics and miniaturization technologies that were originally engineered for spacecraft.
- Invisible braces are made from translucent polycrystalline alumina (TPA), a material first developed to protect infrared antennae on heat-seeking missile trackers.
- Cochlear implants for the hearing impaired received their first patent with technical assistance from NASA in 1977.
ISRO’s Contribution to Healthcare
- Through its Technology Transfer Programme, ISRO has transferred over 350 technologies to Indian industries, including many in the biomedical sector.
- The ISRO smart limb is a low-cost bionic limb developed for amputees, providing an affordable alternative to expensive prosthetics.
- Scientists developed a low-cost heart pump using lightweight rocket material (titanium alloy) to assist patients with left ventricle failure.
- VSAT-enabled mobile medical units leverage satellite connectivity to provide healthcare delivery to remote and rural locations in India.
Remote Monitoring and Telemedicine
- Common wearable health monitors for tracking heart rate and ECG are direct derivatives of astronaut bio-telemetry systems used for in-flight monitoring.
- Satellite-based telemedicine is essential for connecting doctors with patients in remote areas where terrestrial internet is unavailable.
- Global disease surveillance utilizes earth-observation satellite data to map vector habitats and track the spread of epidemics like malaria.
- Drone delivery systems for transporting medical supplies rely on satellite navigation and communication technologies evolved from space missions.
Infrastructure and Safety Applications
- Air and water purification systems, including HEPA filters, were originally designed to maintain air quality in the closed environments of spacecraft.
- Antimicrobial coatings used on catheters and clinical surfaces were developed to control microbial contamination inside spacecraft cabins.
- Solar-powered vaccine refrigerators were created to support off-grid space field operations and are now vital for immunization programs in developing nations.
- Scratch-resistant lenses, now standard in eyewear, were first developed to protect helmet visors and space equipment from cosmic dust.
