MEDICAL DEVICE

摘要

A medical device which absorbs a difference in dimension between the members, can be applied to an existing device without generating a dead space in a flow path of a therapeutic substance when administrating the therapeutic substance, and is high in versatility. The medical device includes a feeding member, a connected member and a joint member, and the joint member includes an inner tapered portion and an outer tapered portion, the joint member is configured so that the tip end of the joint member is located on the inner tapered connecting portion when the joint member is connected to the hub.

主权项

1. A medical device comprising:
a feeding member comprising a tubular body portion being capable of containing a therapeutic substance to be fed into a body cavity and a tubular connecting portion provided at one end of the body portion and having a male luer tapered portion and an opening provided at a distal end of the male luer tapered portion to feed the therapeutic substance contained in the body portion; a connected member having a flow channel through which the therapeutic substance fed from the feeding member passes and provided with a hub having an inner tapered connecting portion including a female luer tapered portion; and a joint member connected to the tubular connecting portion of the feeding member and the hub of the connected member and having a communication channel for communicating the tubular connecting portion of the feeding member with the flow channel of the connected member, wherein the joint member comprises an inner tapered portion for connecting to the male luer tapered portion, an outer tapered portion for connecting to the female luer tapered portion, and an opening at the side of the connected member located at a tip end of the outer tapered portion for feeding the therapeutic substance from the feeding member to the connected member, and when the joint member is connected to the hub, the joint member is configured so as to allow the inner end portion of the opening at the side of the connected member to be disposed in proximity with and along the tapered surface of the inner tapered connecting portion so that the tip end of the joint member is located on the inner tapered connecting portion.