K-wire and method for surgical procedures
View Patent ↗A surgical guide wire or K-wire and method of use are provided. The K-wire or guide wire has opposite end portions and a shank portion in between. One end portion has a deformable end portion that, once outside of a confining guide passage, can be deformed to present a projected forward facing area that is larger than the transverse cross section of the K-wire or guide wire while in the passage. The increased area will provide increased resistance to additional forward axial movement into the surgical site.
1. A guide wire for introduction of surgical implants and surgical instruments to a surgical site within a body, the guide wire comprising: a manipulative end, a center portion, and an operative end; said operative end including a first independent deformable leg and a second independent deformable leg, each said independent deformable leg diverging from a common area of said guide wire, said independent deformable legs predisposed to move in an outward direction with respect to each other and forming a first gap extending the length of said independent deformable legs; one independent deformable leg being longer than said second independent deformable leg, said longer independent deformable leg including a tip portion that is constructed to overlap a tip portion of the said shorter independent deformable leg and forming a second gap between said tip portions, said second gap formed generally perpendicular to the guide wire longitudinal axis when in the non deformed state, wherein each said opposing deformable legs contains a bend positioned distally from the point where said opposing independent deformable leg diverge from said common area of said guide wire, wherein at least one independent deformable leg contains a groove sized to receive a projection and said opposite independent deformable leg contains a projection sized and shaped to fit within said groove.
2. The guide wire of claim 1 wherein at least one independent deformable leg contains a bend positioned distally from the point where said opposing independent deformable legs diverge from said common area of said guide wire.
3. The guide wire of claim 1 wherein the deforming occurs automatically.
4. The guide wire of claim 1 wherein at least one independent deformable leg contains a groove.
5. The guide wire of claim 1 wherein at least one independent deformable leg contains a projection.
6. The guide wire of claim 1 wherein at least one independent deformable leg contains a groove sized to receive a projection and said opposing independent deformable leg contains a projection sized and shaped to fit within said groove.
7. The guide wire of claim 1 wherein said center portion of said guide wire is constructed from a flexible material.
8. The guide wire of claim 1 wherein the first independent deformable leg and the second independent deformable leg are constructed of memory metal alloy.
9. The guide wire of claim 1 wherein the first independent deformable leg and the second independent deformable leg are constructed of a spring material.
10. The guide wire of claim 1 wherein the first independent deformable leg and the second independent deformable legs are constructed from a memory metal alloy.
11. The guide wire of claim 10 wherein the memory metal alloy includes Nitinol.
12. The guide wire of claim 10 wherein said memory metal alloy is a super-elastic material.
13. The guide wire of claim 1 wherein the first independent deformable leg and the second independent deformable legs are constructed of a resiliently deformable spring material.
14. The guide wire of claim 1 wherein said operative end portion has a deformable portion made of a plastically deformable material.
15. The guide wire of claim 1 wherein the first independent deformable leg and the second independent deformable legs are constructed from a flexible material.
16. The guide wire of claim 15 wherein said flexible material is a memory metal alloy.
17. The guide wire of claim 16 wherein the memory metal alloy includes Nitinol.