A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
18/49, 128/93
A61M 25/00 (2006.01) A61M 25/06 (2006.01) B29C 47/06 (2006.01)
Patent
CA 1315167
Abstract of the Disclosure Medical instrument introduction cannula, which is useful as a guide means for introducing and indwelling a rod-like medical instrument such as a catheter and a guide wire. This cannula is removed after use from the medical instrument by being splitted. This cannula is formed of a hollow tubular body having a strip member consisting of a material different from the other por- tion of the tubular body, which extends over the entire or almost the entire length of the tubular body. The strip member has a weld line along the length of the strip member, or consists of a resin which exhibits a good bonding property only to one of the other compo- nents forming the tubular body. The tubular body can be splitted by way of the weld line or the removal of the strip member having such a bonding property. The method of manufacturing the medical instrument intruduction cannular by a two-color extruder is also disclosed.
563568
Ishida Toshinobu
Kousai Tadashi
Moriuchi Yousuke
Macrae & Co.
Terumo Kabushiki Kaisha
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