Episode 2 of 2

Pravaz's Adaptation

When
1853
Where
Lyon
Part of
Pravaz and Wood independently invent the hypodermic syringe

Pravaz adapted Rynd's needle to inject coagulants, establishing a practical hypodermic syringe in Lyon.

In 1853, Charles Pravaz adapted Francis Rynd's hollow needle to inject iron perchloride coagulant into an aneurysm. He experimented with sub-dermal injections in sheep using a syringe of his own design, pioneering the hypodermic syringe in Lyon.

Sources

  1. Charles Pravaz Wikipedia, revision of 2025-03-17
  2. Hypodermic needle Wikipedia, revision of 2026-08-27

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.