Wire clamp assembly

• US 6,017,347 A
• Filed: 05/05/1999
• Issued: 01/25/2000
• Est. Priority Date: 06/01/1995
• Status: Expired due to Term

• Current Assignee: Acumed Llc (Berkshire Hathaway Incorporated)
• Original Assignee: Acumed Llc (Berkshire Hathaway Incorporated)
• Inventors: Horst, Steven P., Huebner, Randall J.
• Primary Examiner(s): Buiz, Michael
• Assistant Examiner(s): Shai, Daphna
• Application Number:
  US09/305,841
• Time in Patent Office: 265 Days
• Field of Search: 606/69, 606/70, 606/71, 606/72, 606/74, 606/75, 606/103
• US Class Current: 606/74
• CPC Class Codes: A61B 17/82 for bone cerclage apparatus for manipulating wires or straps A61B17/8861; wires, bands or straps other than cerclage A61B17/842

Abstract

A wire locking sleeve and a wire. The sleeve has a bore and a deformation recess adjacent the bore. The sleeve includes a locking stud positioned adjacent the deformation recess and bore. The locking stud is deformable toward the bore interlockingly to engage a portion of the wire disposed therein. Deformation of the sleeve around the bore is achieved by applying a transverse compressive force to the locking stud.

Claims

1. A crimp block for securing a wire, the crimp block comprising:

a body including an outer surface;

a first wire-receiving bore formed in the body, the first wire-receiving bore being configured to receive a section of the wire; and

a locking stud projecting from the outer surface of the crimp block proximate the first wire-receiving bore, the locking stud being smaller toward the first wire-receiving bore and larger away from the first wire-receiving bore;

where, upon application of a crimping force to the locking stud, the locking stud is configured to move toward the first wire-receiving bore thereby crimping the wire in the first wire-receiving bore.

2. The crimp block of claim 1, where the wire is configured to deform within the first wire-receiving bore upon movement of the locking stud toward the first wire-receiving bore.

3. The crimp block of claim 1, where the crimp block further includes a deformation recess adjacent the first wire-receiving bore opposite the locking stud, and the wire is configured to deform into the deformation recess upon movement of the locking stud toward the first wire-receiving bore.

4. The crimp block of claim 1, where the locking stud is substantially frustoconical.

5. The crimp block of claim 1, further comprising a deformation recess partially intersecting the first wire-receiving bore, the deformation recess including a region of nonintersection with the first wire-receiving bore, where movement of the locking stud toward the first wire-receiving bore deforms the wire at least partially into the region of nonintersection.

6. The crimp block of claim 5, where the locking stud is configured to form a bulge extending into the first wire-receiving bore as the locking stud is moved toward the first wire-receiving bore.

7. The crimp block of claim 1, wherein the locking stud is formed integrally with the crimp block.

8. The crimp block of claim 1, wherein the locking stud is a separate member.

9. A method of securing a wire, comprising:

providing a crimp block, the crimp block including a first wire-receiving bore, a deformation recess partially intersecting the first wire-receiving bore, the deformation recess including a region of nonintersection with the first wire-receiving bore, and a locking stud positioned proximate each of the deformation recess and first wire-receiving bore;

inserting a first section of the wire into the first wire-receiving bore; and

deforming the shape of the locking stud into a bulge in the first wire-receiving bore, thereby deforming the first section of the wire into the region of nonintersection to secure the wire within the crimp block.

10. The method of claim 9, where deforming the locking stud includes forming a bulge within the first wire-receiving bore.

11. The method of claim 9, where the crimp block further includes an end and a second wire-receiving bore, and the wire further includes a second section having a cap wider than the second wire-receiving bore, the method further comprising inserting the second section of wire into the second wire-receiving bore such that the cap is adjacent the end of the crimp block.

12. The method of claim 9, where the wire is monofilament.

13. The method of claim 9, wherein the step of deforming is accomplished by squeezing a crimping tool against the locking stud.

14. The method of claim 9, where the locking stud tapers toward the deformation recess.

15. The method of claim 14, where the locking stud is substantially frustoconical.

16. A system for securing a wire comprising a crimp block having a monolithic body, the monolithic body including a first bore formed therein with a section of the wire being disposed in the first bore, the monolithic body further having a deformation recess disposed proximal to the first bore in a crimp zone, the wire and a portion of the monolithic body adjacent the first bore being locally deformed transverse to a first elongate axis of the wire in a sinuous shape around a bulge in the first bore toward the deformation recess in the crimp zone to interlock the wire in the first bore.

17. The system of claim 16, where the bulge is formed by deformation of a locking stud on the crimp block toward the deformation recess.

18. A system for securing a wire comprising a crimp block having a first bore formed therein with a section of the wire being disposed in the first bore, the crimp block further having a deformation recess disposed proximal to the first bore in a crimp zone, the wire and first bore being locally deformed transverse to a first elongate axis of the wire in a sinuous shape around a bulge in the first bore toward the deformation recess in the crimp zone to interlock the wire in the first bore, where the bulge is formed by deformation of a locking stud on the crimp block toward the deformation recess, and where the locking stud includes a taper that narrows towards the deformation recess.

19. The system of claim 18, where the locking stud is substantially frustoconical.

20. A crimp block for securing a wire, the crimp block comprising:

a body including a generally straight crimp surface;

a first wire-receiving bore formed in the body, the first wire-receiving bore being configured to receive a section of the wire and extending generally parallel to the crimp surface; and

a locking stud projecting from the generally straight crimp surface of the crimp block, the locking stud being positioned to deform the crimp block into the first wire-receiving bore upon application of a crimping force to the locking stud.