Assembly Tool for Modular Implants and Associated Method
AssigneeBiomet Manufacturing, LLC
InventorsAaron P. Smith, Tyler D. Witt, Andrew Freiberg
Life of this patent
Estimating the term…
Abstract
An assembly tool comprises in an assembled configuration a proximal implant fastener, a distal implant fastener, and a compression member. The assembly tool is operable to hold in the assembled configuration a proximal implant partially engageable with a distal implant during implantation and axial impaction. Axial impaction is exerted through the compression member of the assembly tool. The assembly tool is also operable to securely lock the tapers of proximal and distal implants after impaction by rotating the compression member.
Claims25
An assembly tool comprising:
- a first coupler having a first longitudinal shaft defining a first longitudinal bore, the first coupler engageable to a proximal implant of a modular implant assembly;
- a handle member removably couplable with the first coupler, the first coupler received in a longitudinal bore of the handle member;
- a second coupler having a second longitudinal shaft passable through the first longitudinal bore of the first coupler, the second longitudinal shaft engageable through the proximal implant to a distal implant of the modular implant, the proximal implant and the distal implant connectable with corresponding tapers;
- and
- a compression member couplable to the a proximal portion of the second longitudinal shaft, the compression member having an impaction surface, the compression member operable to insert the proximal and distal implants to the anatomic site by impaction while holding the tapers at a selected separation distance, the compression member including a knob, the knob rotatable to reduce the separation distance and lock the tapers of the proximal and distal implants after impaction.
An assembly tool comprising:
- a proximal implant fastener:
- distal implant fastener;
- and
- a compression member, wherein the assembly tool is operable to hold in an assembled configuration of the assembly tool a proximal implant partially engageable with a distal implant during implantation and axial impaction, wherein axial impaction is exerted through the compression member, and wherein the assembly tool is also operable to securely lock corresponding tapers of the proximal and distal implants after impaction by rotating the compression member.
A method for implanting a modular implant having a proximal implant and a distal implant into an anatomic site, the method comprising:
- engaging a distal portion of first coupler to a proximal implant;
- releasably connecting a handle member over the first coupler;
- passing a second coupler through the handle member and the first coupler;
- connecting the proximal and distal implants;
- engaging a distal portion of the second coupler through the proximal implant to a distal implant;
- engaging a compression member to a proximal portion of the second coupler through the handle member;
- rotating the compression member to hold corresponding tapers of the proximal and distal implants separated by a selected distance;
- impacting the proximal and distal implants to an anatomic depth by impacting the compression member while holding the tapers separated by the selected distance;
- and
- rotating the compression member to lock the corresponding tapers of proximal and distal implant without removing the compression member.
A method for implanting a modular implant having a proximal implant and a distal implant into an anatomic site, the method comprising:
- sequentially assembling a plurality of component of an assembly tool on to the proximal and distal implants;
- holding corresponding tapers of the proximal and distal implants separated by a selected distance by the assembly tool;
- impacting the proximal and distal implants to an anatomic depth without changing the separation distance by impacting the assembly tool;
- actuating the assembly tool to lock the corresponding tapers of proximal and distal implant without removing the assembly tool.
Dependencies are inferred from the claim text.