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Syringes

Syringes. Jorge Prieto Peinador 50622. Index. Designers. History. Design. Problems faced, why syringes?. Designers. Charles Gabriel Pravaz (1791 - 1855). 1851: Pravaz syringe screw mechanism. Designers. Alexander Wood (1817 - 1884). 1853: New syringe design

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Syringes

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  1. Syringes Jorge Prieto Peinador 50622

  2. Index • Designers. • History. • Design. • Problems faced, why syringes?

  3. Designers • Charles Gabriel Pravaz (1791 - 1855). • 1851: Pravaz syringe • screw mechanism.

  4. Designers • Alexander Wood (1817 - 1884). • 1853: New syringe design • plunger-stem pull and push system.

  5. Designers • Manuel Jalón Corominas (1925 - 2011). • Late 80s: first polypropylene hypodermic syringe for single use.

  6. History • Before the syringe: • 9th century: Ammar Ali al-Mawsili. • Remove cataracts by suction. • 1656: Christopher Wren rudimentary syringe. • Bird feather and an animal bladder • 1809: Francois Magendie, possibility to introduce medicines through the skin.

  7. History • The appearance of the syringe • 1851: Pravaz syringe. • 1853: Wood’s desing. • Designed the hollow metal needle (1854) • War, drugs, AIDS. • Late 80s: Jalón’s one single use syringe.

  8. Design • Materials: • Polypropylene. • Glass. • Stainless steel • trigger system.

  9. Design • Parts: • Tip • Luer tip. • catheter tip. • Luer lock tip. • Barrel. • Plunger rod.

  10. Problems faced, why syringes? • How to administrate medicines through the skin? • Different designs: • from the screw mechanism to the plunger-stem pull and push system. • Lack of hygiene and unsafe disinfection • Increased drug addiction and blood diseases

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