Title:
EXTENSION CATHETER AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2020/162287
Kind Code:
A1
Abstract:
Provided are an extension catheter having excellent breaking strength and a method for producing the same. This extension catheter can be inserted into a tubular catheter to protrude from an opening on the distal side of the tubular catheter and is characterized by: being provided with a tubular part, a tapered part disposed proximally to the tubular part, and a linear member secured to the tubular part and the tapered part; and satisfying the following formula (1). (1): 1.1T2 ≤ T1 ≤ 6T2
[In the formula, T1 represents the thickness (mm) of the tubular part at a position which is spaced 1 mm distally from the distal end of the tapered part and at which the linear member is present, and T2 is the thickness (mm) of the tubular part at a position which is spaced 1 mm distally from the distal end of the tapered part and is on the opposite side from the position at which the linear member is present.]
Inventors:
KISA TOSHIYA (JP)
Application Number:
PCT/JP2020/003216
Publication Date:
August 13, 2020
Filing Date:
January 29, 2020
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
A61M25/00; A61M25/06; A61M25/088
Domestic Patent References:
| WO2011086758A1 | 2011-07-21 |
Foreign References:
| JP2015173914A | 2015-10-05 | |||
| US20150151090A1 | 2015-06-04 | |||
| JPH0648686U | 1994-07-05 | |||
| JP2012135379A | 2012-07-19 | |||
| JP2001155974A | 2001-06-08 |
Attorney, Agent or Firm:
USFI PATENT ATTORNEYS INTERNATIONAL OFFICE (JP)
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