JPS642652A - Medical tube - Google Patents
Medical tubeInfo
- 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
Links
Landscapes
- 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
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 |
|---|---|---|---|
| JP62-56661 | 1987-03-13 | ||
| JP5666187 | 1987-03-13 | ||
| JP62220350A JP2587066B2 (en) | 1987-03-13 | 1987-09-04 | Artificial blood vessel |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH012652A JPH012652A (en) | 1989-01-06 |
| JPS642652A true JPS642652A (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)
| 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 |
-
1987
- 1987-09-04 JP JP62220350A patent/JP2587066B2/en not_active Expired - Fee Related
Patent Citations (2)
| 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 |