Title:
MEDICAL ELONGATED BODY
Document Type and Number:
WIPO Patent Application WO/2014/174661
Kind Code:
A1
Abstract:
Provided is a medical elongated body that, while maintaining flexibility, suppresses anisotropy in the torque transmission performance resulting from rotational direction as much as possible, thus increasing operability. The medical elongated body has a base-end shaft (60) extending in the axial center direction (X) and to at least a portion of which a helical slit (61) is formed. The base-end shaft (60) is provided with a site at which the helical inclination angle (α), which is the angle in the direction of extension of the helix of the slit (61) with respect to a cross section that is perpendicular to the axial center direction (X), differs. A step section (102) at which the angle of the slit (61) with respect to the helical inclination angle (α) locally changes is formed at one opposing surface (100) configuring the slit (61), a contact section (112) that the step section (102) contacts when the base-end shaft (60) is twisted in the direction loosening the helix of the slit (61) is formed at the other opposing surface (110), and the length (L3) in the axial center direction (X) of the step section (102) is formed longer at a site at which the helical inclination angle (α) is relatively large than a site at which same is small.
Inventors:
KOBAYASHI JUNICHI (JP)
Application Number:
PCT/JP2013/062358
Publication Date:
October 30, 2014
Filing Date:
April 26, 2013
Export Citation:
Assignee:
TERUMO CORP (JP)
International Classes:
A61M25/14
Foreign References:
| JPH11509752A | 1999-08-31 | |||
| JP2000197704A | 2000-07-18 | |||
| JP2005511259A | 2005-04-28 | |||
| JP2010527258A | 2010-08-12 |
Other References:
See also references of EP 2990071A4
Attorney, Agent or Firm:
YAMADA, Makito (JP)
Makihito Yamada (JP)
Makihito Yamada (JP)
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