Claims
- 1. A prosthetic implant, comprising:
an acrylic bag; a fill access providing access to an interior of said bag; and a tube, said bag secured to an exterior of said tube.
- 2. The prosthetic implant of claim 1, further comprising:
a lag screw, comprising: a shaft, said shaft having an exterior geometry cooperating with an interior geometry of said tube to allow relative axial displacement of said lag screw and said tube and to resist relative rotational displacement of said lag screw and said tube; and a screw head, said screw head rotabably connected to said shaft.
- 3. The prosthetic implant of claim 2, wherein said lag screw shaft includes an interior elongate aperture, and wherein said screw head includes a drive connector for selective engagement with a rotatable drive instrument, said interior elongate aperture of said lag screw shaft providing access to said drive connector.
- 4. The prosthetic implant of claim 2, wherein said lag screw shaft is curved from a proximal end thereof to a distal end thereof, and wherein said tube is curved from a proximal end thereof to a distal end thereof, said tube and said lag screw shaft having a similar curvature, whereby said lag screw shaft is slidable relative to said tube when said lag screw shaft is placed within said tube.
- 5. The prosthetic implant of claim 1, further comprising a fill tube, said fill tube providing said access.
- 6. The prosthetic implant of claim 5, wherein said fill tube has a length, said length sized to allow retrograde filling of said bag.
- 7. The prosthetic implant of claim 1, further comprising:
a substantially V-shaped expansion bar positioned within said bag.
- 8. A telescoping reamer, comprising:
a telescoping reamer body having a longitudinal aperture defining an interior wall of said telescoping reamer body; a first extension sleeve slidably coupled to said telescoping reamer body and movable between a non-extended position and an extended position relative to said telescoping reamer body, said first extension sleeve having exterior and interior walls, said first extension sleeve having a longitudinal aperture; a reamer, comprising:
a rotatable reamer shaft having proximal and distal ends, said reamer shaft positioned within said longitudinal apertures of said telescoping reamer body and said extension sleeve; and a reamer head coupled to said distal end of said rotatable reamer shaft, said reamer head extendable from said first extension sleeve; first guide means for guiding the direction and extent of relative movement between said first extension sleeve and said telescoping reamer body.
- 9. The telescoping reamer of claim 8, further comprising:
a second extension sleeve, said second extension sleeve slidably coupled to said first extension sleeve and movable between a non-extended position and an extended position relative to said first extension sleeve, said second extension sleeve having interior and exterior walls, said second extension sleeve having a longitudinal aperture, said rotatable reamer shaft positioned within said longitudinal aperture of said second extension sleeve, said reamer head extendable from both said first and said second extension sleeves; and second guide means for guiding the direction and extent of relative movement between said second extension sleeve and said first extension sleeve.
- 10. The telescoping reamer of claim 8, wherein first guide means for guiding the direction and extent of relative movement between said extension sleeve and said telescoping reamer body comprises:
a channel formed in said interior wall of said telescoping reamer body, said channel having a proximal end and a distal end; and a boss extending from said exterior wall of said first extension sleeve, said boss positioned in said channel, whereby said first extension sleeve maintains said non-extended position when said boss abuts said proximal end of said channel, and whereby said first extension sleeve maintains said extended position when said boss abuts said distal end of said channel.
- 11. The telescoping reamer of claim 9, wherein said second guide means for guiding the direction and extent of relative movement between said second extension sleeve and said first extension sleeve comprises:
a channel formed in said interior wall of said first extension sleeve, said channel having a proximal end and a distal end; and a boss extending from said exterior wall of said second extension sleeve, said boss positioned in said channel, whereby said second extension sleeve maintains said non-extended position when said boss abuts said proximal end of said channel, and whereby said first extension sleeve maintains said extended position when said boss abuts said distal end of said channel.
- 12. The telescoping reamer of claim 8, further comprising:
a flange coupled to said rotatable reamer shaft; and an interior flange extending inwardly from said interior wall of said first extension sleeve, said interior flange positioned intermediate said reamer head and said flange coupled to said rotatable reamer shaft.
- 13. The telescoping reamer of claim 9, further comprising:
a flange coupled to said rotatable reamer shaft; and an interior flange extending inwardly from said interior wall of said second extension sleeve, said interior flange positioned intermediate said reamer head and said flange coupled to said rotatable reamer shaft.
- 14. The telescoping reamer of claim 8, wherein said first extension sleeve comprises a curved extension sleeve having a curved portion defining a first radius of curvature.
- 15. The telescoping reamer of claim 9, wherein said first extension sleeve comprises a first curved extension sleeve having a curved portion defining a first radius of curvature, and said second extension sleeve comprises a second curved extension sleeve having a curved portion defining a second radius of curvature.
- 16. The telescoping reamer of claim 15, wherein said first radius of curvature is substantially equal to said second radius of curvature.
- 17. A telescoping reamer, comprising:
a telescoping reamer body having a longitudinal aperture defining an interior wall of said telescoping reamer body; a first extension sleeve slidably coupled to said telescoping reamer body and movable between a non-extended position and an extended position relative to said telescoping reamer body, said first extension sleeve having exterior and interior walls, said first extension sleeve having a longitudinal aperture; a reamer, comprising:
a rotatable reamer shaft having proximal and distal ends, said reamer shaft positioned within said longitudinal apertures of said telescoping reamer body and said extension sleeve; and a reamer head coupled to said distal end of said rotatable reamer shaft, said reamer head extendable from said first extension sleeve; said interior wall of said telescoping reamer body including a channel formed therein, said channel having a proximal end and a distal end; and a boss extending from said exterior wall of said first extension sleeve, said boss positioned in said channel, whereby said first extension sleeve maintains said non-extended position when said boss abuts said proximal end of said channel, and whereby said first extension sleeve maintains said extended position when said boss abuts said distal end of said channel.
- 18. The telescoping reamer of claim 17, further comprising:
a second extension sleeve, said second extension sleeve slidably coupled to said first extension sleeve and movable between a non-extended position and an extended position relative to said first extension sleeve, said second extension sleeve having interior and exterior walls, said second extension sleeve having a longitudinal aperture, said rotatable reamer shaft positioned within said longitudinal aperture of said second extension sleeve, said reamer head extendable from both said first and said second extension sleeves; said interior wall of said first extension sleeve including a channel formed therein, said channel having a proximal end and a distal end; and a boss extending from said exterior wall of said second extension sleeve, said boss positioned in said channel, whereby said second extension sleeve maintains said non-extended position when said boss abuts said proximal end of said channel, and whereby said first extension sleeve maintains said extended position when said boss abuts said distal end of said channel.
- 19. The telescoping reamer of claim 17, further comprising:
a flange coupled to said rotatable reamer shaft; and an interior flange extending inwardly from said interior wall of said first extension sleeve, said interior flange positioned intermediate said reamer head and said flange coupled to said rotatable reamer shaft.
- 20. The telescoping reamer of claim 18, further comprising:
a flange coupled to said rotatable reamer shaft; and an interior flange extending inwardly from said interior wall of said second extension sleeve, said interior flange positioned intermediate said reamer head and said flange coupled to said rotatable reamer shaft.
- 21. The telescoping reamer of claim 17, wherein said first extension sleeve comprises a curved extension sleeve having a curved portion defining a first radius of curvature.
- 22. The telescoping reamer of claim 18, wherein said first extension sleeve comprises a first curved extension sleeve having a curved portion defining a first radius of curvature, and said second extension sleeve comprises a second curved extension sleeve having a curved portion defining a second radius of curvature.
- 23. The telescoping reamer of claim 22, wherein said first radius of curvature is substantially equal to said second radius of curvature.
- 24. A unitube for maintaining an access from an incision to a bone, the incision made in the epidermis of a body and developed to expose the bone, the unitube comprising:
a unitube body having an exterior and a hollow interior, said hollow interior sized to allow passage of bone shaping instruments therethrough, said unitube body having a length at least as long as a distance measured from the incision to the bone; and securement means for securing said unitube to the bone.
- 25. The unitube of claim 24, wherein said securement means comprises a threaded distal end of said unitube.
- 26. The unitube of claim 25, wherein said threaded distal end comprises a self-tapping threaded distal end.
- 27. The unitube of claim 24, wherein said securement means comprises:
a lock ring connected to said unitube body, said lock ring having a plurality of substantially axially oriented fingers, each said finger having an exterior surface; and expansion means for radially expanding said axially oriented fingers.
- 28. The unitube of claim 27, wherein said expansion means comprises:
a plurality of finger ramp surfaces, each said finger having one said finger ramp surface formed thereon; and actuating means for contacting said ramp surfaces and thereby radially expanding said fingers.
- 29. The unitube of claim 28, wherein said actuating means comprises a beveled distal end of said unitube body.
- 30. The unitube of claim 24, further comprising:
instrument retaining means for selectively retaining bone shaping instruments therein.
- 31. The unitube of claim 30, wherein said instrument retaining means comprises:
a spherical body having an equator, said unitube having an aperture extending from said hollow interior of said unitube to said exterior of said unitube, said spherical body positioned adjacent said aperture, said equator larger than said aperture, whereby said spherical body cannot traverse said aperture; and a plunger slidably connected to said unitube body, with said spherical body interposed between said plunger and said unitube body, said plunger having a plunger ramp surface connecting a peak surface and a base surface, said plunger movable between a retention position in which said peak surface contacts said spherical body and forces a portion of said spherical body to protrude into said hollow interior of said unitube body and a release position in which said base surface contacts said spherical body such that said portion of said spherical body no longer protrudes into said hollow interior of said unitube body.
- 32. The unitube of claim 31, wherein said aperture extending from said hollow interior of said unitube to said exterior of said unitube comprises an aperture having a counterbore formed in said exterior of said unitube.
- 33. The unitube of claim 27, wherein each said substantially axially oriented finger of said lock ring includes a plurality of substantially radially extending teeth extending from said exterior surface thereof.
- 34. A unitube for maintaining an access from an incision to a bone, the incision made in the epidermis of a body and developed to expose the bone, the unitube comprising:
a unitube body having an exterior and a hollow interior, and a distal end, said hollow interior sized to allow passage of bone shaping instruments therethrough, said exterior of said unitube having a threaded distal end, said unitube body having a length at least as long as a distance measured from the incision to the bone.
- 35. The unitube of claim 34, wherein said threaded distal end comprises a self-tapping threaded distal end.
- 36. The unitube of claim 34, further comprising:
a spherical body having an equator, said unitube having an aperture extending from said hollow interior of said unitube to said exterior of said unitube, said spherical body positioned adjacent said aperture, said equator larger than said aperture, whereby said spherical body cannot traverse said aperture; and a plunger slidably connected to said unitube body, with said spherical body interposed between said plunger and said unitube body, said plunger having a plunger ramp surface connecting a peak surface and a base surface, said plunger movable between a retention position in which said peak surface contacts said spherical body and forces a portion of said spherical body to protrude into said hollow interior of said unitube body and a release position in which said base surface contacts said spherical body such that said portion of said spherical body no longer protrudes into said hollow interior of said unitube body.
- 37. The unitube of claim 36, wherein said aperture extending from said hollow interior of said unitube to said exterior of said unitube comprises an aperture having a counterbore formed in said exterior of said unitube.
- 38. The unitube of claim 34, wherein each said substantially axially oriented finger of said lock ring includes a plurality of substantially radially extending teeth extending from said exterior surface thereof.
- 39. A unitube for maintaining an access from an incision made in the epidermis of a body and developed to expose a bone of the body, to the bone, comprising:
a unitube body having an exterior and a hollow interior, said hollow interior sized to allow passage of bone shaping instruments therethrough, said unitube body having a length at least as long as a distance measured from the incision to the bone; a lock ring connected to said distal end of said unitube body, said lock ring having a plurality of substantially axially oriented fingers, each said finger having an exterior surface; a plurality of finger ramp surfaces, each said finger having one said finger ramp surface formed thereon; and actuating means for contacting said ramp surfaces and thereby radially expanding said fingers.
- 40. The unitube of claim 39, wherein said actuating means comprises a beveled distal end of said unitube body.
- 41. The unitube of claim 39, further comprising:
a spherical body having an equator, said unitube having an aperture extending from said hollow interior of said unitube to said exterior of said unitube, said spherical body positioned adjacent said aperture, said equator larger than said aperture, whereby said spherical body cannot traverse said aperture; and a plunger slidably connected to said unitube body, with said spherical body interposed between said plunger and said unitube body, said plunger having a plunger ramp surface connecting a peak surface and a base surface, said plunger movable between a retention position in which said peak surface contacts said spherical body and forces a portion of said spherical body to protrude into said hollow interior of said unitube body and a release position in which said base surface contacts said spherical body such that said portion of said spherical body no longer protrudes into said hollow interior of said unitube body.
- 42. The unitube of claim 41, wherein said aperture extending from said hollow interior of said unitube to said exterior of said unitube comprises an aperture having a counterbore formed in said exterior of said unitube.
- 43. The unitube of claim 39, wherein each said substantially axially oriented finger of said lock ring includes a plurality of substantially radially extending teeth extending from said exterior surface thereof.
- 44. A unitube for maintaining an access from an incision to a bone, the incision made in the epidermis of a body and developed to expose the bone, the unitube comprising:
a unitube body having an exterior and a hollow interior, said hollow interior sized to allow passage of bone shaping instruments therethrough, said unitube body having a length at least as long as a distance measured from the incision to the bone; and instrument retaining means for selectively retaining bone shaping instruments therein.
- 45. The unitube of claim 44, wherein said instrument retaining means comprises:
a spherical body having an equator, said unitube having an aperture extending from said hollow interior of said unitube to said exterior of said unitube, said spherical body positioned adjacent said aperture, said equator larger than said aperture, whereby said spherical body cannot traverse said aperture; and a plunger slidably connected to said unitube body, with said spherical body interposed between said plunger and said unitube body, said plunger having a plunger ramp surface connecting a peak surface and a base surface, said plunger movable between a retention position in which said peak surface contacts said spherical body and forces a portion of said spherical body to protrude into said hollow interior of said unitube body and a release position in which said base surface contacts said spherical body such that said portion of said spherical body no longer protrudes into said hollow interior of said unitube body.
- 46. A unitube for maintaining an access from an incision to a bone, the incision made in the epidermis of a body and developed to expose the bone, the unitube comprising:
a unitube body having an exterior and a hollow interior, said hollow interior sized to allow passage of bone shaping instruments therethrough, said unitube body having a length at least as long as a distance measured from the incision to the bone; a spherical body having an equator, said unitube having an aperture extending from said hollow interior of said unitube to said exterior of said unitube, said spherical body positioned adjacent said aperture, said equator larger than said aperture, whereby said spherical body cannot traverse said aperture; and a plunger slidably connected to said unitube body, with said spherical body interposed between said plunger and said unitube body, said plunger having a plunger ramp surface connecting a peak surface and a base surface, said plunger movable between a retention position in which said peak surface contacts said spherical body and forces a portion of said spherical body to protrude into said hollow interior of said unitube body and a release position in which said base surface contacts said spherical body such that said portion of said spherical body no longer protrudes into said hollow interior of said unitube body.
- 47. A reamer for forming a cavity in a bone, comprising:
a rotatable reamer shaft having proximal and distal ends; and a reamer head coupled to said distal end of said rotatable reamer shaft, said reamer head having an exterior, said exterior of said reamer head having a plurality of flutes defining a plurality of blades therebetween, said reamer head having reamer head flexing means for allowing said reamer head to flex, said reamer head having a length measured from a distal end to a proximal end thereof.
- 48. The reamer of claim 47, wherein said reamer head flexing means comprises at least one cut formed in said reamer head.
- 49. The reamer of claim 48, wherein said at least one cut comprises a helical cut running the length of said reamer head.
- 50. The reamer of claim 47, wherein said exterior of said reamer head has at least two differently sized diameters defining at least two reaming diameters.
- 51. The reamer of claim 47, wherein said distal end of said rotatable reamer shaft includes shaft flexing means for allowing said distal end of said rotatable reamer shaft to flex, said distal end of said rotatable reamer shaft having a length.
- 52. The reamer of claim 51, wherein said shaft flexing means comprises at least one cut formed in said distal end of said rotatable reamer shaft.
- 53. The reamer of claim 52, wherein said at least one cut comprises a helical cut running the length of said distal end of said rotatable reamer shaft.
- 54. A reamer for forming a curved cavity in a bone, comprising:
a rotatable reamer shaft having proximal and distal ends; and a reamer head coupled to said distal end of said rotatable reamer shaft, said reamer head having an exterior, said exterior of said reamer head having a plurality of flutes defining a plurality of blades therebetween, said reamer head having at least one cut formed therein, said cut intersecting at least two blades, said reamer head having a length measured from a distal end to a proximal end thereof.
- 55. The reamer of claim 54, wherein said at least one cut comprises a helical cut running the length of said reamer head.
- 56. The reamer of claim 54, wherein said exterior of said reamer head has at least two differently sized diameters defining at least two reaming diameters.
- 57. The reamer of claim 54, wherein said distal end of said rotatable reamer shaft includes a helical cut extending from said distal end of said rotatable reamer shaft to said proximal end of said rotatable reamer shaft.
- 58. In combination, a reamer for forming a cavity in bone, and a reamer guide for controlling a radius of curvature of the reamer, comprising:
a reamer, comprising:
a rotatable reamer shaft having proximal and distal ends, said distal end of said rotatable reamer shaft including shaft flexing means for allowing said distal end of said rotatable reamer shaft to flex; and a reamer head coupled to said distal end of said rotatable reamer shaft, said reamer head having an exterior, said exterior of said reamer head having a plurality of flutes defining a plurality of blades therebetween, said reamer head having reamer head flexing means for allowing said reamer head to flex, said reamer head having a length measured from a distal end to a proximal end thereof, said reamer head having a flexible guide shaft aperture extending from the proximal end of said reamer head toward the distal end thereof; a reamer guide, comprising:
a tool housing having a longitudinal aperture; a guide shaft positioned in said longitudinal aperture of said tool housing and coupled to said tool housing, said guide shaft having a longitudinal aperture, with a guide shaft wall defined between an exterior of said guide shaft and said longitudinal aperture, said reamer shaft occupying said longitudinal aperture, said guide shaft having proximal and distal ends, said distal end of said guide shaft having guide shaft flexing means for allowing said guide shaft to flex, said distal end of said guide shaft positioned within said flexible guide shaft aperture extending from the proximal end of said reamer head toward the distal end thereof; and actuation means for actuating said guide shaft into a flexed position.
- 59. The combination of claim 58, wherein said actuation means for actuating said guide shaft into a flexed position comprises:
a longitudinal wall bore formed in said wall of said guide shaft; a cable positioned in said wall bore of said guide shaft, said cable having a distal end of larger size than said wall bore, whereby said cable cannot be pulled from said wall bore in a distal to proximal direction relative to said guide shaft; and pulling means for pulling said cable in a distal to proximal direction relative to said guide shaft, whereby pulling said cable causes flexure of said guide shaft.
- 60. The combination of claim 59, wherein said pulling means for pulling said cable in a distal to proximal direction relative to said guide shaft comprises:
a handle, said tool housing coupled to said handle; a lever handle pivotally connected to said handle, said cable connected to said lever handle, whereby pivoting of said lever handle about said handle pulls said cable in a distal to proximal direction relative to said guide shaft, said lever handle having an initial position in which said cable is not pulled by said lever handle.
- 61. The combination of claim 60, wherein said lever handle includes an advance prevention means for selectively preventing said reamer shaft from being advanced through said tool housing.
- 62. The combination of claim 61, wherein said advance prevention means comprises:
a lever handle shoulder formed on said lever handle; and a reamer shaft shoulder formed on said rotatable reamer shaft, said lever handle shoulder abutting said reamer shaft shoulder when said lever handle maintains said initial position.
- 63. The combination of claim 58, wherein said shaft flexing means for allowing said distal end of said rotatable reamer shaft flex comprises at least one cut formed in said distal end of said rotatable reamer shaft.
- 64. The combination of claim 63, wherein said at least one cut comprises a helical cut.
- 65. The combination of claim 58, wherein said reamer head flexing means comprises at least one cut formed in said reamer head.
- 66. The combination of claim 65, wherein said at least one cut comprises a helical cut running the length of said reamer head.
- 67. The combination of claim 58, wherein said guide shaft flexing means comprises at least one cut formed in said guide shaft.
- 68. The combination of claim 67, wherein said at least one cut in said guide shaft comprises a helical cut running the length of said distal end of said rotatable reamer shaft.
- 69. The combination of claim 67, wherein said at least one cut comprises a plurality of substantially semi-circular cuts oriented substantially perpendicularly to a longitudinal axis of said distal end of said guide shaft, said guide shaft having a top and a bottom, each said substantially semi-circular cut formed through one of said top and said bottom of said guide shaft, whereby adjacent ones of said substantially semi-circular cuts are alternatively formed in said top and said bottom of said guide shaft, said substantially semicircular cuts running the length of said distal end of said guide shaft.
- 70. In combination, a reamer for forming a curved cavity in bone, and a reamer guide for controlling a radius of curvature of the reamer, comprising:
a reamer, comprising:
a rotatable reamer shaft having proximal and distal ends, said rotatable reamer shaft having a flexible reamer shaft portion extending from said distal end toward said proximal end; and a reamer head coupled to said distal end of said rotatable reamer shaft, said reamer head having an exterior, said exterior of said reamer head having a plurality of flutes defining a plurality of blades therebetween, said reamer head being flexible along the entire length thereof; a reamer guide, comprising:
a tool housing having a longitudinal aperture; a guide shaft positioned in said longitudinal aperture of said tool housing and coupled to said tool housing, said guide shaft having a longitudinal aperture, with a guide shaft wall defined between an exterior of said guide shaft and said longitudinal aperture, said reamer shaft occupying said longitudinal aperture of said guide shaft, said guide shaft having proximal and distal ends, said guide shaft having a guide shaft flexible portion extending from said distal end of said guide shaft toward said proximal end of said guide shaft, said distal end of said guide shaft positioned within a flexible guide shaft aperture extending from the proximal end of said reamer head toward the distal end thereof.
- 71. The combination of claim 70, further comprising:
a longitudinal wall bore formed in said wall of said guide shaft; a cable positioned in said wall bore of said guide shaft, said cable having a distal end of larger size than said wall bore, whereby said cable cannot be pulled from said wall bore in a distal to a proximal direction relative to said guide shaft; a handle, said tool housing coupled to said handle; a lever handle pivotally connected to said handle, said cable connected to said lever handle, whereby pivoting of said lever handle about said handle pulls said cable in a distal to proximal direction relative to said guide shaft, said lever handle having an initial position in which said cable is not pulled by said lever handle.
- 72. The combination of claim 71, further comprising:
a lever handle shoulder formed on said lever handle; and a reamer shaft shoulder formed on said rotatable reamer shaft, said lever handle shoulder abutting said reamer shaft shoulder when said lever handle maintains said initial position.
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This is a continuation-in-part of co-pending application Ser. No. 10/155,683, filed May 23, 2002.
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
10155683 |
May 2002 |
US |
Child |
10266319 |
Oct 2002 |
US |