Joint Implant

• US 20190314171A1
• Filed: 05/24/2019
• Published: 10/17/2019
• Est. Priority Date: 07/18/2017
• Status: Active Grant

• Current Assignee: Blue Sky Technologies, LLC
• Original Assignee: Frank Castro
• Inventors: Castro, Frank
• Granted Patent: US 10,980,643 B2
• Time in Patent Office: Days
• CPC Class Codes: A61B 17/1671 for the spine
• CPC Class Codes: A61B 17/7002 Longitudinal elements, e.g. rods
• CPC Class Codes: A61B 17/7022 Tethers, i.e. longitudinal elements capable of transmitting tension only, e.g. straps, sutures or cables A61B17/702 takes precedence
• CPC Class Codes: A61B 17/7032 Screws or hooks with U-shaped head or back through which longitudinal rods pass
• CPC Class Codes: A61B 17/7044 also having plates, staples or washers bearing on the vertebrae
• CPC Class Codes: A61B 17/7053 with parts attached to bones or to each other by flexible wires, straps, sutures or cables
• CPC Class Codes: A61B 17/7059 Cortical plates A61B17/7007, A61B17/7058 take precedence
• CPC Class Codes: A61B 17/707 Devices acting on, or attached to, a transverse process or rib; Tools therefor
• CPC Class Codes: A61B 17/7071 Implants for expanding or repairing the vertebral arch or wedged between laminae or pedicles; Tools therefor
• CPC Class Codes: A61B 17/809 with bone-penetrating elements, e.g. blades or prongs bone staples A61B17/0642; intramedullary nails with a plate at an end A61B17/7233
• CPC Class Codes: A61B 17/8685 comprising multiple separate parts
• CPC Class Codes: A61B 2017/00884 enhancing wound closure
• CPC Class Codes: A61F 2/42 for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
• CPC Class Codes: A61F 2/44 for the spine, e.g. vertebrae, spinal discs
• CPC Class Codes: A61F 2/4405 for apophyseal or facet joints, i.e. between adjacent spinous or transverse processes devices implanted between spinous or transverse processes A61B17/7062
• CPC Class Codes: A61F 2/4455 for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages intervertebral discs A61F2/442
• CPC Class Codes: A61F 2/447 substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section
• CPC Class Codes: A61F 2/4603 for insertion or extraction of endoprosthetic joints or of accessories thereof
• CPC Class Codes: A61F 2/4606 of wrists or ankles; of hands, e.g. fingers; of feet, e.g. toes
• CPC Class Codes: A61F 2/4611 of spinal prostheses
• CPC Class Codes: A61F 2002/30158 : trapezoidal
• CPC Class Codes: A61F 2002/30179 : X-shaped
• CPC Class Codes: A61F 2002/30266 : wedge-shaped parallelepipeds
• CPC Class Codes: A61F 2002/30281 : wedge-shaped
• CPC Class Codes: A61F 2002/30364 : Rotation about the common longitudinal axis
• CPC Class Codes: A61F 2002/30365 : with additional means for limiting said rotation
• CPC Class Codes: A61F 2002/30538 : for adjusting angular orientation
• CPC Class Codes: A61F 2002/30579 : with mechanically expandable devices, e.g. fixation devices
• CPC Class Codes: A61F 2002/30593 : hollow
• CPC Class Codes: A61F 2002/30622 : Implant for fusing a joint or bone material
• CPC Class Codes: A61F 2002/30736 : Augments or augmentation pieces, e.g. wedges or blocks for bridging a bone defect
• CPC Class Codes: A61F 2002/30841 : Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
• CPC Class Codes: A61F 2002/30845 : with cutting edges
• CPC Class Codes: A61F 2002/30904 : serrated profile, i.e. saw-toothed
• CPC Class Codes: A61F 2002/30995 : for sacro-iliac joints
• CPC Class Codes: A61F 2002/449 : comprising multiple spinal implants located in different intervertebral spaces or in different vertebrae
• CPC Class Codes: A61F 2002/4627 : with linear motion along or rotating motion about the instrument axis or the implantation direction, e.g. telescopic, along a guiding rod, screwing inside the instrument
• CPC Class Codes: A61F 2002/4677 : using a guide wire
• CPC Class Codes: A61F 2310/00017 : Iron- or Fe-based alloys, e.g. stainless steel
• CPC Class Codes: A61F 2310/00023 : Titanium or titanium-based alloys, e.g. Ti-Ni alloys

Abstract

A joint implant system adapted for use in joint surgeries. Among other things, the joint implant has an anterior cutting edge and a rotatable cutter supported by a rotatable shaft.

Claims

1. ) A joint implant comprising a framework;

said framework comprising;

a) a longitudinal axis measured in a coexisting or parallel direction of a longest dimension of said framework;

b) openings outward from said longitudinal axis;

c) an anterior side comprising a cutting edge;

d) a surgeon facing side at an end opposite said anterior side;

said surgeon facing side comprising one or more apertures;

e) a rotatable shaft extending about said longitudinal axis and between said anterior side and said surgeon facing side;

f) a first arm connected with said shaft;

said first arm supporting a first cutter comprising one or more blades, wherein on rotation of said shaft, said blades are adapted to cut when rotated in a clockwise or counterclockwise direction; and

g) a second arm connected with said shaft;

said second arm supporting a second cutter comprising one or more blades, wherein on rotation of said shaft, said blades are adapted to cut when rotated in a clockwise or counterclockwise direction.

2. ) The joint implant of claim 1:

said framework comprising first and second lateral sides connected with said anterior side and said surgeon facing side, wherein said framework includes a length greater than a width.

3. ) The joint implant of claim 2, wherein one or more surfaces of said framework comprise surface treatments and said framework'"'"'s anterior side has a lesser cross-sectional area than a cross-sectional area of said surgeon facing side.

4. ) The joint implant of claim 3, wherein said first arm and said second arm comprise one or more sharp edges adapted to remove cartilage, expose subcortical bone and morselize graft material.

5. ) The joint implant of claim 4 further comprising one or more connectors connected to said surgeon facing side, wherein each said connector is adapted to engage a device.

6. ) A joint implant comprising a framework;

said framework comprising;

a) a longitudinal axis measured in a coexisting or parallel direction of a longest dimension of said framework;

b) openings outward from said longitudinal axis;

c) an anterior side comprising a cutting edge;

d) a surgeon facing side at an end opposite said anterior side;

said surgeon facing side comprising at least one aperture;

e) a rotatable shaft extending along said longitudinal axis and between said anterior side and said surgeon facing side;

f) first and second arms connected with said shaft;

said first and second arms supporting first and second cutters comprising one or more blades, wherein on rotation of said shaft, said blades are adapted to cut when rotated in a clockwise or counterclockwise direction; and

g) one or more connectors connected to said surgeon facing side, wherein each said connector is adapted to engage a device.

7. ) The joint implant of claim 6:

said framework comprising first and second lateral sides connected with said anterior side and said surgeon facing side, wherein said framework includes a length greater than a width.

8. ) The joint implant of claim 7, wherein one or more surfaces of said framework comprise surface treatments and said framework'"'"'s anterior side has a lesser cross-sectional area than a cross-sectional area of said surgeon facing side.

9. ) The joint implant of claim 8, wherein said first and second arms comprise one or more sharp edges adapted to remove cartilage, expose subcortical bone and morselize graft material.

10. ) A joint implant comprising a biocompatible construction with a longitudinal axis measured in a coexisting or parallel direction of a longest dimension of the biocompatible construction;

said biocompatible construction comprising;

a) openings outward from said longitudinal axis;

b) an anterior side comprising;

i) an outward cutting edge; and

ii) an inward socket;

c) a surgeon facing side, opposite said anterior side, comprising a bearing comprising opposed first and second gaps perpendicular to said longitudinal axis;

d) a rotatable shaft engaging said socket and extending along said longitudinal axis from said socket through said bearing, wherein said rotatable shaft is detachable from said socket and said bearing; and

e) first and second arms connected with said shaft;

said first and second arms supporting first and second cutters comprising one or more blades, wherein on rotation of said shaft, said blades are adapted to cut in a clockwise or counterclockwise direction.

11. ) The joint implant of claim 10:

said biocompatible construction comprising first and second lateral sides connected with said anterior side and said surgeon facing side, wherein said biocompatible construction includes a length greater than a width.

12. ) The joint implant of claim 11, wherein:

a) said rotatable shaft'"'"'s diameter engaging said socket is less than said shaft'"'"'s diameter proximate said bearing; and

b) said biocompatible construction'"'"'s anterior side has a lesser cross-sectional area than a cross-sectional area of said surgeon facing side.

13. ) The joint implant of claim 12 comprising one or more connectors connected to the surgeon facing side, wherein each connector is adapted to engage a device.

14. ) The joint implant of claim 13, wherein:

a) said first and second arms comprise one or more sharp edges adapted to remove cartilage, expose subcortical bone and/or morselize graft material; and

b) one or more surfaces of said biocompatible construction comprise surface treatments.

15. ) A joint implant comprising a biocompatible construction with a longitudinal axis spanning a longest dimension of said biocompatible construction;

said biocompatible construction comprising;

a) openings outward from said longitudinal axis;

b) an anterior side comprising;

i) a cutting edge; and

ii) an inward socket;

c) a surgeon facing side comprising a bearing comprising first and second gaps;

d) a rotatable shaft, extending along or parallel to said longitudinal axis, engaging said socket and said bearing, wherein said rotatable shaft is detachable from said biocompatible construction; and

e) first and second arms connected with said shaft;

said first and second arms supporting first and second cutters comprising one or more blades, wherein on rotation of said shaft, said blades are adapted to cut in a clockwise or counterclockwise direction.

16. ) The joint implant of claim 15:

said biocompatible construction comprising first and second lateral sides connected with said anterior side and said surgeon facing side, wherein said biocompatible construction includes a length greater than a width.

17. ) The joint implant of claim 16, wherein:

a) said rotatable shaft'"'"'s diameter engaging said socket is less than said shaft'"'"'s diameter proximate said bearing;

b) said first and second gaps are perpendicular to said longitudinal axis; and

c) said biocompatible construction'"'"'s anterior side has a lesser cross-sectional area than a cross-sectional area of said surgeon facing side.

18. ) The joint implant of claim 17 comprising one or more connectors connected to the surgeon facing side, wherein each connector is adapted to engage a device.

19. ) The joint implant of claim 18, wherein:

a) said first and second arms comprise one or more sharp edges adapted to remove cartilage, expose subcortical bone and/or morselize graft material; and

b) one or more surfaces of said biocompatible construction comprise surface treatments.

20. ) A joint implant comprising a biocompatible construction with a longitudinal axis spanning a longer dimension of said biocompatible construction;

said biocompatible construction comprising;

a) openings outward from said longitudinal axis;

b) an anterior side comprising;

i) a cutting edge; and

ii) a socket;

c) a surgeon facing side comprising a bearing;

d) a rotatable shaft, extending along said longitudinal axis, engaging said socket and said bearing, wherein said rotatable shaft is detachable from said biocompatible construction; and

e) first and second arms connected with said shaft;

said first and second arms supporting first and second cutters comprising one or more blades, wherein on rotation of said shaft, said blades are adapted to cut in a clockwise or counterclockwise direction.

21. ) The joint implant of claim 20, wherein said bearing comprises first and second gaps creating a pathway for detaching said rotatable shaft from said biocompatible construction.

22. ) The joint implant of claim 21:

said biocompatible construction comprising first and second lateral sides connected with said anterior side and said surgeon facing side, wherein said biocompatible construction includes a length greater than a width.

23. ) The joint implant of claim 22, wherein:

a) said rotatable shaft'"'"'s diameter engaging said socket is less than said shaft'"'"'s diameter proximate said bearing;

b) said first and second gaps are perpendicular to said longitudinal axis; and

c) said biocompatible construction'"'"'s anterior side has a lesser cross-sectional area than a cross-sectional area of said surgeon facing side.

24. ) The joint implant of claim 23 comprising one or more connectors connected to the surgeon facing side, wherein each connector is adapted to engage a device.

25. ) The joint implant of claim 24, wherein:

a) said first and second arms comprise one or more sharp edges adapted to remove cartilage, expose subcortical bone and/or morselize graft material; and

b) one or more surfaces of said biocompatible construction comprise surface treatments.

26. ) A joint implant comprising a biocompatible construction with a longitudinal axis spanning a longer dimension of said biocompatible construction;

said biocompatible construction comprising;

a) a first trapezoidal surface comprising a first aperture therein and a first two margins of equal length;

b) a second trapezoidal surface opposed from said first trapezoidal surface;

said second trapezoidal surface comprising a second aperture therein and a second two margins of equal length;

c) an anterior side extending between said trapezoidal surfaces;

said anterior side comprising a cutting edge and an orifice extending through said anterior side and said cutting edge;

d) a surgeon facing side comprising a bearing;

said surgeon facing side extending between said trapezoidal surfaces; and

e) a rotatable shaft extending from said orifice into said bearing;

said rotatable shaft comprising;

i) a conduit extending through a length of said rotatable shaft;

said conduit defined by an inward face of said rotatable shaft'"'"'s cylindrical wall;

ii) one or more windows, positioned on said cylindrical wall;

each window exposing said conduit to a surgically created cavity external from said joint implant; and

iii) first and second arms connected with said rotatable shaft;

said first and second arms supporting first and second cutters comprising one or more blades, wherein on rotation of said shaft, said blades are adapted to cut in a clockwise or counterclockwise direction.

27. ) The joint implant of claim 26, wherein said biocompatible construction includes a length greater than a width.

28. ) The joint implant of claim 27 comprising one or more connectors connected to said surgeon facing side, wherein each connector is adapted to engage a device.

29. ) The joint implant of claim 28, wherein one or more surfaces of said biocompatible construction comprise surface treatments.

30. ) The joint implant of claim 29, wherein said first and second arms comprise one or more sharp edges adapted to remove cartilage, expose subcortical bone and/or morselize graft material.

31. ) A joint implant comprising a biocompatible construction with a longitudinal axis spanning a longer dimension of said biocompatible construction;

said biocompatible construction comprising;

a) openings outward from said longitudinal axis;

b) an anterior side comprising a cutting edge and an orifice extending through said anterior side;

c) a surgeon facing side comprising a bearing, wherein said anterior side has a lesser cross-sectional area than a cross-sectional area of said surgeon facing side; and

d) a rotatable shaft extending from said orifice into said bearing;

said rotatable shaft comprising;

i) a conduit extending through a length of said rotatable shaft;

said conduit defined by an inward face of said rotatable shaft'"'"'s cylindrical wall;

ii) one or more windows, positioned on said cylindrical wall;

each window exposing said conduit to a surgically created cavity external from said joint implant; and

iii) first and second arms connected with said rotatable shaft;

said first and second arms supporting first and second cutters comprising one or more blades, wherein on rotation of said shaft, said blades are adapted to cut in a clockwise or counterclockwise direction.

32. ) The joint implant of claim 31, wherein said biocompatible construction includes a length greater than a width.

33. ) The joint implant of claim 32 comprising one or more connectors connected to said surgeon facing side, wherein each connector is adapted to engage a device.

34. ) The joint implant of claim 33, wherein one or more surfaces of said biocompatible construction comprise surface treatments.

35. ) The joint implant of claim 34, wherein said first and second arms comprise one or more sharp edges adapted to remove cartilage, expose subcortical bone and/or morselize graft material.