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US 2016/0058562 A1Published application
Spherical Subtalar Implant
AssigneeTrilliant Surgical LLC
InventorJon Olson
Life of this patent
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Abstract
One embodiment of the invention includes a sinus tarsi implant with a proximal portion that includes a spherical portion. The spherical portion may include apertures for tissue in-growth. The implant design limits patient discomfort due to pressure points. Other embodiments are disclosed.
Claims15
A subtalar implant comprising:
- a central hollow shaft defining a longitudinal axis and forming a tunnel;
- a distal portion of the implant including a first maximum diameter, which is based on an outer diameter of a thread included in the distal portion;
- a middle portion of the implant including a second maximum diameter;
- and
- a proximal portion including a third maximum diameter;
- wherein the first and second maximum diameters are both smaller than the third maximum diameter;
- wherein the distal portion is proportioned to implant within a deeper canalis portion of a sinus tarsi of a patient;
- wherein the proximal portion includes a three-dimensional arcuate profile with an arcuate edge;
- wherein the arcuate edge has an arc extending in a longitudinal plane parallel to the longitudinal axis;
- wherein the proximal portion includes an additional arcuate edge that is circular and extends 360° in a horizontal plane orthogonal to the longitudinal axis.
7 more elements
A subtalar implant comprising:
- a central hollow shaft defining a longitudinal axis and forming a tunnel;
- a distal portion of the implant including a first maximum diameter, which is based on an outer diameter of a thread included in the distal portion;
- a middle portion of the implant including a second maximum diameter;
- and
- a proximal portion including a third maximum diameter;
- wherein the first and second maximum diameters are both smaller than the third maximum diameter;
- wherein the proximal portion includes a three-dimensional arcuate profile with an arcuate edge;
- wherein the arcuate edge has an arc extending in a longitudinal plane parallel to the longitudinal axis;
- wherein the proximal portion includes an additional arcuate edge that is circular and extends 360° in a horizontal plane orthogonal to the longitudinal axis;
- wherein the proximal portion includes a proximal-most end that is non-arcuate and coterminous with a proximal-most end of the implant.
7 more elements
Dependencies are inferred from the claim text.