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What neurosurgery technique was inspired by a wine bottle opener?

Cryosurgery. On Christmas day of 1961, American neurosurgeon Dr. Irving S. Cooper was given a Christmas gift that inspired development of the first cryosurgery device. The gift, a wine-bottle opener, injected cooled carbon dioxide gas into the bottle to remove the cork. The device was able to precisely aim and administer gas to cool specific targets without disturbing surrounding areas. Dr. Cooper saw great potential in the device for the field of neurosurgery requiring a high degree of precision for effective treatments. In 1962 the neurosurgery technique, cryosurgery was developed. Source: 

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