Catheter having improved rapid exchange junction

Details Catheter having improved rapid exchange junction Catheter having improved rapid exchange junction

2005-05-03

2005-05-03

Lucchesi, Nicholas D. (Department: 3763)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S096010, C606S194000

Reexamination Certificate

active

06887219

ABSTRACT:
A balloon catheter, and preferably to a rapid exchange type balloon catheter, having a proximal shaft section, and a distal shaft section with an inner tubular member and an outer tubular member, the outer tubular member having a section which is bonded as by fusing or otherwise bonding. The bonded section extends along a thickened wall portion of the outer tubular member at the rapid exchange junction. A reinforcing member or tube extends within at least a section of the bonded section of the outer tubular member. In one embodiment, the reinforcing tube extends within at least a section of the thickened wall portion of the outer tubular member. The configuration provides a rapid exchange junction with improved kink resistance and flexibility for excellent trackability, and with a minimal decrease in the size of the inflation lumen at the rapid exchange junction for an improved shortened balloon inflation/deflation time.

REFERENCES:
patent: 5061273 (1991-10-01), Yock
patent: 5156594 (1992-10-01), Keith
patent: 5496275 (1996-03-01), Sirhan et al.
patent: 5554121 (1996-09-01), Ainsworth
patent: 6179810 (2001-01-01), Wantink et al.
patent: 6193686 (2001-02-01), Estrada et al.
patent: WO 9320882 (1993-10-01), None
patent: WO 0189621 (2001-11-01), None
U.S. Publication No.: 2001/0029362 A1; Motasim M. Sirhan, et al., Catheter Shaft With an Oblong Transverse Cross-Section, Publication Date: Oct. 11, 2001.

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