Title:
バルブ組み立て体
Document Type and Number:
Japanese Patent JP2004516116
Kind Code:
A
Abstract:
A closed system adapter for catheters is disclosed. The adapter comprises a rigid outer housing (12) having an inlet end (25) with an internal cavity, and outlet end with a central passageway, the outlet end having a series of incrementally larger diameter steps permitting connection to various sized catheters. Positioned within the inlet end internal cavity is a resilient valve member (14) normally biased to a sealed closed position. The valve member includes a generally cylindrical wall with a diaphragm (29) with a pre-slit (30) partitioned across the wall. The cylindrical wall dimensioned to be slightly larger in diameter than the inlet end cavity of the housing except for a recessed area (35, 36) where the diaphragm (29) is positioned. The cylindrical wall providing inward compressive force except in the recess area permitting the diaphragm to remain in a steady state normally closed position without excessive inwardly compressive force.
Inventors:
Russo, Ronald, Dee.
Application Number:
JP2002552635A
Publication Date:
June 03, 2004
Filing Date:
December 22, 2000
Export Citation:
Assignee:
Wilson Cook Medical, Inc.
International Classes:
A61M25/18; A61J15/00; A61M39/04; A61M39/06; (IPC1-7): A61J15/00
Attorney, Agent or Firm:
Hirofumi Mimata