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US 2017/0360575 A1Published application
Hybrid prosthesis installation systems and methods
AssigneeKambiz Behzadi
InventorsKambiz Behzadi, Jesse Rusk
Life of this patent
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Abstract
A system and method for inserting and aligning an acetabular cup in the human pelvic bone, including selectively combining aspects of a vibratory BMD3 and an axially-impacting BMD4, including initially utilizing BMD3 vibratory insertion to partially insert and perfectly align the acetabular cup into the pelvis, and subsequently switching to a BMD4 controlled impaction technique to apply specific quantifiable forces for full seating and insertion, wherein the proven advantages of the vibratory insertion prototype with the advantages of the controlled impaction prototype are combined in a single device.
Claims5
1-2. (canceled)
3:
- A system of inserting and aligning an acetabular cup in the human pelvic bone, including selectively combining aspects of a vibratory BMD3 and an axially-impacting BMD4, including initially utilizing BMD3 vibratory insertion to partially insert and perfectly align the acetabular cup into the pelvis, and subsequently switching to a BMD4 controlled impaction technique to apply specific quantifiable forces for full seating and insertion, wherein the proven advantages of the vibratory insertion prototype with the advantages of the controlled impaction prototype are combined in a single device.
4:
- A hybrid tool for inserting a prosthesis into a portion of a bone, comprising:
- a motor producing a motive force;
- a shaft for coupling to the prosthesis;
- and
- a force transfer mechanism, coupled to said motor and to shaft, including a first set of components configured to produce a vibration of said shaft responsive to said motive force, a second set of components configured to produce an impact force and couple said impact force to said shaft, and a selector coupled to said sets of components activating one or the other at any given moment.
2 more elements
5:
- The hybrid tool of claim 4 wherein said motive force includes a rotational motion, wherein said vibration includes a linear vibratory motion, and wherein said impact force includes a linear impacting force.
6:
- A method for inserting a prosthesis into a portion of a bone using a single device, comprising:
- producing a motive force using the single device;
- engaging the prosthesis with a shaft of the single device;
- and
- alternating, using said motive force coupled to said shaft, an application of a vibratory force to said shaft with an application of a set of discrete impacts to said shaft.
2 more elements