Method and a system for manufacturing a catheter and a catheter manufactured by that method
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United States of America Patent
Stats
-
Aug 28, 2001
Grant Date -
N/A
app pub date -
Aug 26, 1998
filing date -
Nov 22, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
For manufacturing a catheter tubing (50), a container (1, 21) provided with a passage (15, 35, 36), a mandrel (7) sealing off that passage (15, 35, 36) when inserted into said passage and a solution (14) containing a dissolved plastic in the container (1, 21) up to a level above the passage (15, 35, 36) are provided. Repeatedly, the mandrel (7) is inserted into the passage and at least a section of the mandrel (7) is passed through the passage (15, 35, 36) and the solution (14) in an upward direction. When sufficient plastic material has adhered to the mandrel (7), the catheter tubing (50) is removed from the mandrel (7). Thus, catheters having thin, smooth walls of a uniform thickness can be manufactured without expensive machinery and tools. A system for carrying out the method and particular catheters obtainable by that method are also described.
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Family
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Cited Art Landscape
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