Letitia Mumford Geer: Jednoręczna Strzykawka
Letitia Mumford Geer: The One-Handed Syringe
Pielęgniarka i wynalazczyn Letitia Mumford Geer opatentowała w 1899 roku jednoręczną strzykawkę, przeprojektowując uchwyt i tłok tak, aby personel medyczny mógł podawać zastrzyki bez drugiej pary rąk.
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Letitia Mumford Geer: The One-Handed Syringe
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women inventors
medical devices
accessibility
sanitation
nursing history
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