发明授权
US5715815A Sheath sterility preservation filter and seal for suction catheters 失效
护套不育保鲜过滤器和密封吸引导管

Sheath sterility preservation filter and seal for suction catheters
摘要:
Filtration and closure barriers are disclosed which prevent passage of gas-carried contamination between the atmosphere and a collapsible sheath, which surrounds a catheter tube, during insertion and/or removal of the catheter tube from the respiratory tract of a medical patient.
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