JPS642652A - Medical tube - Google Patents

Medical tube

Info

Publication number
JPS642652A
JPS642652A JP62220350A JP22035087A JPS642652A JP S642652 A JPS642652 A JP S642652A JP 62220350 A JP62220350 A JP 62220350A JP 22035087 A JP22035087 A JP 22035087A JP S642652 A JPS642652 A JP S642652A
Authority
JP
Japan
Prior art keywords
pores
medical tube
depth
property
pref
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP62220350A
Other languages
Japanese (ja)
Other versions
JPH012652A (en
JP2587066B2 (en
Inventor
Noriaki Kaneko
Yoshimi Hirata
Masahiro Moriwaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ube Corp
Original Assignee
Ube Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP62220350A priority Critical patent/JP2587066B2/en
Publication of JPS642652A publication Critical patent/JPS642652A/en
Publication of JPH012652A publication Critical patent/JPH012652A/en
Application granted granted Critical
Publication of JP2587066B2 publication Critical patent/JP2587066B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Materials For Medical Uses (AREA)

Abstract

PURPOSE: To obtain a medical tube excellent in patency and especially suitable for artificial blood vessels having medium and small diameters, by providing a large number of pores specific in an opening diameter and a depth to the inner cavity surface thereof of the medical tube.
CONSTITUTION: A medical tube has a large number of pores having an opening diameter and depth of 20W100μm over the whole or a part of the inner cavity surface thereof. As the constitutional material of the tube, a high-molecular compound excellent in the compatibility with blood and bio-tissue, that is, not having acute and chromic toxicity, a pyrogenic property and a hemolytic property and generating no inflammation in circumferential tissue over a long period time after implantation is used. As the high-molecular compound, a polyurethane type polymer is pref. from the aspect of dynamical properties, stability in a living body and an antithrombogenic property. When the diameter and depth of pores is below 20μm, there is no effect for suppressing the growth of pannus at an anastomotic part and, when exceeding 100μm, the thrombus formed at the anastomotic part becomes much. Further, said pores are pref. uniformly present in large numbers so as to become at least 100 or more per 1cm2.
COPYRIGHT: (C)1989,JPO&Japio
JP62220350A 1987-03-13 1987-09-04 Artificial blood vessel Expired - Fee Related JP2587066B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62220350A JP2587066B2 (en) 1987-03-13 1987-09-04 Artificial blood vessel

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP5666187 1987-03-13
JP62-56661 1987-03-13
JP62220350A JP2587066B2 (en) 1987-03-13 1987-09-04 Artificial blood vessel

Publications (3)

Publication Number Publication Date
JPS642652A true JPS642652A (en) 1989-01-06
JPH012652A JPH012652A (en) 1989-01-06
JP2587066B2 JP2587066B2 (en) 1997-03-05

Family

ID=26397622

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62220350A Expired - Fee Related JP2587066B2 (en) 1987-03-13 1987-09-04 Artificial blood vessel

Country Status (1)

Country Link
JP (1) JP2587066B2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60182959A (en) * 1984-03-01 1985-09-18 鐘淵化学工業株式会社 Artifical vessel
JPS60194956A (en) * 1984-03-16 1985-10-03 鐘淵化学工業株式会社 Production of artificial vessel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60182959A (en) * 1984-03-01 1985-09-18 鐘淵化学工業株式会社 Artifical vessel
JPS60194956A (en) * 1984-03-16 1985-10-03 鐘淵化学工業株式会社 Production of artificial vessel

Also Published As

Publication number Publication date
JP2587066B2 (en) 1997-03-05

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees