Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1994-02-28
1995-05-02
Rosenbaum, Mark
Metal working
Method of mechanical manufacture
Assembling or joining
29436, B23P 1100
Patent
active
054107970
ABSTRACT:
An improved balloon catheter is disclosed which is comprised of two jacketed spring coils placed end-to-end and joined by a linking element which contains a lumen communicating between the inflation lumens formed by the two spring coils. A side port entry to a guidewire lumen, which extends through the distal coil to the distal end of the catheter, is located in the transition region formed by the linking element. The linking element may include two polyimide tubes or may be a multilumen insert. The catheter is stiffened by a core wire which is bonded directly to the spring coils. A catheter comprised of a single spring coil with a side port entry in the coil is also disclosed, and a method and apparatus for crimping the coil to create the entry.
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Briggs Leonard F.
Rupp Garry E.
Steinke Thomas A.
Bryant David P.
Medtronic Inc.
Patton Harold R.
Plunkett Dianne M. F.
Rosenbaum Mark
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