Medical Inventions
Inventions · चिकित्सा आविष्कार
📋Quick Overview
This chapter covers key medical inventions relevant for competitive exams. These facts about inventors, discoveries, and their contributions are frequently asked in RRB NTPC, SSC CGL, and other government exams.
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Vaccination (Smallpox): Edward Jenner — 1796 — Father of Immunology
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Stethoscope: René Laennec — 1816 — Listen to heart/lung sounds
📖Medical Inventions
| Invention | Inventor/Origin | Year | Significance |
|---|---|---|---|
| Vaccination (Smallpox) | Edward Jenner | 1796 | Father of Immunology |
| Stethoscope | René Laennec | 1816 | Listen to heart/lung sounds |
| Penicillin | Alexander Fleming | 1928 | First antibiotic — Nobel 1945 |
| Insulin | Banting & Best | 1921 | Treatment for diabetes |
| Blood Groups | Karl Landsteiner | 1901 | A, B, AB, O classification — Nobel 1930 |
| DNA Structure | Watson & Crick | 1953 | Double helix model — Nobel 1962 |
| Aspirin | Felix Hoffmann (Bayer) | 1897 | Most used pain reliever |
| CT Scan | Godfrey Hounsfield | 1971 | Cross-sectional body imaging — Nobel 1979 |
| Polio Vaccine | Jonas Salk | 1955 | Eradicated polio in most countries |
📝Key Points for Exam
- •Vaccination (Smallpox): Edward Jenner, 1796, Father of Immunology
- •Stethoscope: René Laennec, 1816, Listen to heart/lung sounds
- •Penicillin: Alexander Fleming, 1928, First antibiotic — Nobel 1945
- •Insulin: Banting & Best, 1921, Treatment for diabetes
- •Blood Groups: Karl Landsteiner, 1901, A, B, AB, O classification — Nobel 1930
- •DNA Structure: Watson & Crick, 1953, Double helix model — Nobel 1962