×

Steerable memory alloy guide wires

  • US 5,025,799 A
  • Filed: 05/13/1987
  • Issued: 06/25/1991
  • Est. Priority Date: 05/13/1987
  • Status: Expired due to Fees
First Claim
Patent Images

1. A steerable guide wire adapted to be inserted within the body, and including shape memory alloy means for effecting accurate steering or aiming of said within the body, said guide wire comprising at least a pair of solid elongated shape memory wire members held in substantial coaxial engagement with each other but so as to allow relative sliding movement therebetween, and wherein one of said wire members is annealed to undergo a shape change in one direction upon application of heat, and another of said wire members is annealed to undergo a shape change in another direction upon application of heat, said guide wire being rotatable about 360°

  • to thereby enable reversibly omni-directional steering of said guide wire.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×