Is a
Patent attributes
Patent Applicant
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
John T. Riddle0
Gary G. Massengale0
Lane A. Keith0
Ronald B. Roth0
Date of Patent
January 11, 2005
0Patent Application Number
084804110
Date Filed
June 7, 1995
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A novel composite microtubing with variable stiffness over the length of the tubing and continuous process for manufacturing the same is provided. By removing portions of one or more selected layers of the composite microtubing, varying the pick count of a braided layer, and changing the diameter over the length of the microtubing, the stiffness of the microtubing may be varied by a factor of 100 from proximal end to distal end. The continuous process allows a predetermined stiffness pattern to be repeated over a measured length for economical manufacture and results, if desired, in tubing of extremely small diameter and extremely thin tube walls.
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