Title:
CATHETER FOR CEREBRAL ARTERY AND CATHETER INSTRUMENT
Document Type and Number:
Japanese Patent JP3944395
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a catheter for cerebral artery having excellent operability, especially excellent kink resistance and torque transmissivity.
SOLUTION: The catheter 1 is provided with a catheter main body 1a having a lumen 20. The tip part 4 of the main body 1a consists of metallic flat plate coils 8a and 8b extending in the axial direction of the catheter 1 and having coiled shapes, a comparatively flexible outer layer 14 provided outside of the coils 8a and 8b and extended closer to a tip side compared with the coils 8a and 8b, a tip-most part 4A provided on the tip side of the part 4 and formed at a part extended closer to the tip side compared with the coils 8a and 8b of at least the outer layer 14, an X-ray contrastradiographic member 4c provided at the part 4A and arranged closer to the tip side compared with the coils 8a and 8b.
Inventors:
Naofumi Okajima
Application Number:
JP2002001779A
Publication Date:
July 11, 2007
Filing Date:
December 24, 1993
Export Citation:
Assignee:
Terumo Corporation
International Classes:
A61B1/00; A61M25/00; (IPC1-7): A61M25/00; A61B1/00
Domestic Patent References:
| JP5253304A | ||||
| JP1160561A | ||||
| JP5192411A | ||||
| JP4102462A | ||||
| JP5838565A | ||||
| JP4745087A | ||||
| JP2191465A | ||||
| JP5991970A | ||||
| JP6392359A | ||||
| JP6468276A | ||||
| JP523398A | ||||
| JP2280765A | ||||
| JP5685356A | ||||
| JP370576A | ||||
| JP2246983A | ||||
| JP4183478A |
Foreign References:
| US1785345 |
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