PROTECTIVE DEVICE AND MEDICAL INSTRUMENT ASSEMBLY

A protective device, for covering a needle tip of a needle of a medical instrument after puncturing of a puncture object by the needle, includes an inner cylinder, an outer cylinder, and a spring. The outer cylinder receives a cam structure of the inner cylinder and has a guide passage structure tha...

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Bibliographische Detailangaben
1. Verfasser:	TAKEMOTO, Masafumi
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	A protective device, for covering a needle tip of a needle of a medical instrument after puncturing of a puncture object by the needle, includes an inner cylinder, an outer cylinder, and a spring. The outer cylinder receives a cam structure of the inner cylinder and has a guide passage structure that includes one or more guide passages. The outer cylinder is provided with a lateral top part and a distal-end inclined edge part as resistance force generating parts for causing the inner cylinder to generate a resistance force at a puncture position or in the vicinity of the puncture position.