×

Flexible hollow guiding member with means for fluid communication therethrough

  • US 4,964,409 A
  • Filed: 08/31/1989
  • Issued: 10/23/1990
  • Est. Priority Date: 05/11/1989
  • Status: Expired due to Term
First Claim
Patent Images

1. A guiding member for advancement within a patient'"'"'s vascular system, comprising:

  • (a) a main tubular member which has proximal and distal ends and which has an inner lumen extending therethrough to an opening in the distal end thereof;

    (b) a tubular extension more flexible than the main tubular member which has an inner lumen and which is secured by the proximal end thereof to the distal end of the main tubular member;

    (c) an elongated core member which has a proximal end secured within the inner lumen of the main tubular member at a location proximal to the distal end of the main tubular member and a substantial distance distal to the proximal end thereof and which extends out the opening in the distal end thereof, through the inner lumen of the tubular extension and out the distal end of the tubular extension, the portion of the core member disposed within the inner lumen of the main tubular member having a transverse cross-sectional area substantially less than the transverse cross-sectional area of the inner lumen of the main tubular member; and

    (d) a flexible body which is disposed about and secured to a portion of the core member extending out the distal end of the tubular extension and which has a distal tip positioned at least 15 cm distally from where the proximal end of the tubular extension is secured to the main tubular member.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×