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US 2022/0054280 A1Published application
Interspinous process implant
AssigneeSpinal Simplicity, LLC
InventorsMelissa Frock, Adam Frock, Todd Moseley, Adam Rogers
Life of this patent
Estimating the term…
Abstract
A system and method for providing a spinal implant having a main body, a proximal anchor, a distal anchor, and an internal plunger. The proximal anchor comprises a nut having an internal bore. The distal anchor comprises a plurality of wings having a first closed configuration and a second open configuration. The internal plunger is housed within a central bore of the main body. The distal end of the internal plunger is operatively connected to the first wing and the second wing to selectively move the wings between the first closed configuration and the second open configuration, and vice versa.
Claims26
A spinal implant comprising:
- a main body having an outer surface, a proximal end, a distal end, and a longitudinal axis extending therebetween, said main body including a central bore therein;
- a proximal anchor comprising:
- a nut having a proximal side, a distal side, and an internal bore;
- a distal anchor comprising:
- a plurality of rotatable wings having a first closed configuration and a second open configuration, wherein the plurality of wings comprises a first wing having an inner end and an outer end, and a second wing having an inner end and an outer end, wherein said inner end of the first wing is connected to said inner end of the second wing,
- wherein in the first closed configuration the first wing and the second wing both fold proximally, and in the second open configuration the outer end of the first wing and the outer end of the second wing both rotate distally;
- and
- an internal plunger having a proximal end and a distal end, said internal plunger housed within the central bore of the main body, said distal end of the internal plunger operatively connected to the first wing and the second wing by a mechanical linkage to selectively rotate the plurality of wings between the first closed configuration and the second open configuration,
- said mechanical linkage comprising:
- a first linkage having a distal end connected near the inner end of the first wing;
- and
- a second linkage having a distal end connected near the inner end of the second wing,
- wherein the first linkage is substantially identical to the second linkage.
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A spinal implant comprising:
- a main body having an outer surface, a proximal end, a distal end, and a longitudinal axis extending therebetween, said main body including a central bore therein and external threads on at a least a portion of the outer surface;
- a proximal anchor comprising:
- a nut having a proximal side, a distal side, and an internal bore having internal threads;
- a distal anchor comprising:
- a first wing and a second wing configured to be selectively opened and closed, a proximal end of the first wing and a proximal end of the second wing connected to the main body via a first pin;
- and
- a linkage assembly connecting the first wing and the second wing to an internal plunger mounted within the central bore of the main body, said linkage assembly comprising a first linkage and a second linkage,
- said first linkage having a distal end connected to the first wing via a second pin;
- and
- said second linkage having a distal end connected to the second wing via a third pin,
- wherein the first pin is located between the second pin and the third pin.
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A method of placing a spinal implant at a treatment site comprising:
- providing a spinal implant in a first closed configuration, said spinal implant comprising:
- a main body having an outer surface, a proximal end, a distal end, and a longitudinal axis extending therebetween, said main body including a central bore therein;
- a proximal anchor comprising:
- a nut having a proximal side, a distal side, and an internal bore;
- a distal anchor comprising:
- a plurality of wings having the first closed configuration and a second open configuration, wherein the plurality of wings comprises a first wing and a second wing, said first wing having an inner end and an outer end, and said second wing having an inner end and an outer end, wherein said inner end of the first wing is connected to said inner end of the second wing;
- and
- an internal plunger having a proximal end and a distal end, said internal plunger housed within the central bore of the main body, said distal end of the internal plunger operatively connected to the first wing and the second wing by a mechanical linkage to selectively rotate the plurality of wings between the first closed configuration and the second open configuration,
- said mechanical linkage comprising:
- a first linkage having a distal end connected to an inner end of the first wing;
- and
- a second linkage having a distal end connected to an inner end of the second wing,
- wherein the first linkage is substantially identical to the second linkage;
- placing the spinal implant in a patient at a desired treatment site;
- and
- sliding the internal plunger distally along the longitudinal axis to rotate the plurality of wings to the second open configuration by moving the outer end of the first wing and the outer end of the second wing distally.
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Dependencies are inferred from the claim text.