B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
128/94
B29C 65/08 (2006.01) A61M 5/162 (2006.01) A61M 25/00 (2006.01) B29C 37/00 (2006.01) B29C 65/78 (2006.01) B29C 69/00 (2006.01)
Patent
CA 1251112
Abstract of the Disclosure This invention discloses a ventilating needle having a membrane-type filter stretched across the communica- tion passage of a hub portion of the needle. In this invention, the membrane-type filter is of 2-ply type composed of a reinforcement layer and a water-repellent filter having a higher melting point than said rein- forcement layer. This membrane-type filter is thermally adhered to a step portion formed in the inner wall of the hub portion through interfusion of the reinforcement layer and the step portion. This invention also dis- closes a method of assembling the ventilating needle in which a membrane-type filter is adhered to a step por- tion formed in the inner wall of the hub by means of ultrasonic waves.
503828
Macrae & Co.
Terumo Kabushiki Kaisha Trading As Terumo Corporation
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