Patent US6050819A successfully refreshed from Google Patents.
US6050819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental implant distractor method and apparatus
Assignee: INTER-OS TECHNOLOGIES LLC
•
Filing: 1998-07-21
•
Granted: 2000-04-18
•
Expires: 2018-07-21
Abstract
Abstract Disclosed is an internal mandibular distractor comprising a substantially cylindrical main body, a base, and a shaft. The device is used to gradually separate osteotomized bone sections to promote new bone growth in an area of bone loss. The device is then left in the jaw to also serve as a permanent dental implant for restoring dentition.
Inventors
- 👤 Randolph C. Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:51
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0003; A61C8/0004; A61C8/0006; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/60; A61B17/66; A61B17/663; A61B17/666
Claims Analysis
Total Claims: 94
Claim 1
Independent Claim
92 words
A distraction device comprising: an elongate main body, wherein the main body comprises: an internal duct; and a top configured to connect to a dental abutment; a base configured to accept an end of an elongated member and provide a distraction platform; and an elongated member comprising an activation device and configured to be disposed within the internal duct of the main body and contact the base; wherein activation of the elongated member is effective to urge the elongated member through the duct of the main body toward the base during use.
Claim 2
Dependent Claim
92 words
A distraction device comprising: an elongate main body, wherein the main body comprises: an internal duct; and a top configured to connect to a dental abutment; a base configured to accept an end of an elongated member and provide a distraction platform; and an elongated member comprising an activation device and configured to be disposed within the internal duct of the main body and contact the base; wherein activation of the elongated member is effective to urge the elongated member through the duct of the main body toward the base during use.
Claim 3
Dependent Claim
13 words
The distraction device of claim 1, wherein the main body is substantially cylindrical.
Claim 4
Dependent Claim
28 words
The distraction device of claim 1, wherein the internal duct comprises threading and the elongated member comprises threading configured to mate with the threading in the internal duct.
Claim 5
Dependent Claim
20 words
The distraction device of claim 1, wherein the internal duct is configured to provide a threaded connection for an abutment.
Claim 6
Dependent Claim
55 words
The distraction device of claim 1, wherein the distraction device provides a connection for an abutment requiring an external hexagonal attachment, an 8° Morse taper configuration, a spline configuration, an internal hexagon, a screw retained abutment, a cement retained abutment, an exterior square post, an exterior octagonal post, an internal square, or an internal octagon.
Claim 7
Dependent Claim
20 words
The distraction device of claim 1, wherein the top of the main body comprises a male connector for an abutment.
Claim 8
Dependent Claim
17 words
The distraction device of claim 1, wherein the top of the main body comprises a hexagonal projection.
Claim 9
Dependent Claim
20 words
The distraction device of claim 1, wherein the top of the main body comprises a female connector for an abutment.
Claim 10
Dependent Claim
22 words
The distraction device of claim 1, wherein the top of the main body comprises an internal 8° taper connection for an abutment.
Claim 11
Dependent Claim
24 words
The distraction device of claim 1, wherein the top of the main body comprises a connector for driving the distraction device into a bone.
Claim 12
Dependent Claim
13 words
The distraction device of claim 1, wherein the main body comprises external threading.
Claim 13
Dependent Claim
14 words
The distraction device of claim 1, wherein the main body comprises an external coating.
Claim 14
Dependent Claim
31 words
The distraction device of claim 1, wherein the base comprises an internal cavity configured to align with the internal duct of the main body during use, to form a contiguous channel.
Claim 15
Dependent Claim
26 words
The distraction device of claim 13, wherein the diameter of the opening into the cavity in the base is smaller than the diameter of the cavity.
Claim 16
Dependent Claim
40 words
The distraction device of claim 14, wherein an end of the elongated member is configured to be inside the cavity during use, and wherein the diameter of the end is larger than the diameter of the opening into the cavity.
Claim 17
Dependent Claim
41 words
The distraction device of claim 1, wherein the base has a proximal surface that is adjacent the main body in the undistracted position, and a distal surface, and wherein the base is tapered inwardly from the proximal to the distal surfaces.
Claim 18
Dependent Claim
28 words
The distraction device of claim 1, wherein the base slidably engages the main body, and wherein the base is inhibited from rotating with respect to the main body.
Claim 19
Dependent Claim
26 words
The distraction device of claim 1, wherein the main body comprises holes and the base comprises pins configured to engage the holes in the main body.
Claim 20
Dependent Claim
37 words
The distraction device of claim 1, wherein the main body comprises one or more grooves and the base comprises one or more finger projections configured to fit in the one or more grooves in the undistracted position.
Claim 21
Dependent Claim
17 words
The distraction device of claim 1, wherein a portion of the base telescopically engages the main body.
Claim 22
Dependent Claim
12 words
The distraction device of claim 1, wherein the base comprises external threading.
Claim 23
Dependent Claim
13 words
The distraction device of claim 1, wherein the base comprises an external coating.
Claim 24
Dependent Claim
29 words
The distraction device of claim 1, wherein the activation device is a hexagonal head, a square head, a polygonal cavity, a square cavity, a slot, or a crossed slot.
Claim 25
Dependent Claim
14 words
The distraction device of claim 1, wherein the activation device is a square cavity.
Claim 26
Dependent Claim
21 words
The distraction device of claim 1, wherein the elongated member is from about 3 millimeters to about 20 millimeters in length.
Claim 27
Dependent Claim
15 words
The distraction device of claim 1, further comprising a dental abutment attached to the device.
Claim 28
Dependent Claim
99 words
A dental distraction device comprising a main body, a base, and an elongated member, wherein: the main body defines a concentric axial channel with internal threading; the elongated member comprises complementary threading such that when the two sets of threads are engaged, rotation of the elongated member with respect to the main body urges the main body to threadably advance along the elongated member; the base defines a closed ended support for an end of the elongated member, against which the elongated member is freely rotatable; and the device is configured to provide an attachment to a dental abutment.
Claim 29
Dependent Claim
99 words
A dental distraction device comprising a main body, a base, and an elongated member, wherein: the main body defines a concentric axial channel with internal threading; the elongated member comprises complementary threading such that when the two sets of threads are engaged, rotation of the elongated member with respect to the main body urges the main body to threadably advance along the elongated member; the base defines a closed ended support for an end of the elongated member, against which the elongated member is freely rotatable; and the device is configured to provide an attachment to a dental abutment.
Claim 30
Dependent Claim
55 words
The distraction device of claim 27, wherein the distraction device provides a connection for an abutment requiring an external hexagonal attachment, an 8° Morse taper configuration, a spline configuration, an internal hexagon, a screw retained abutment, a cement retained abutment, an exterior square post, an exterior octagonal post, an internal square, or an internal octagon.
Claim 31
Dependent Claim
24 words
The distraction device of claim 27, wherein the top of the main body comprises a connector for driving the distraction device into a bone.
Claim 32
Dependent Claim
13 words
The distraction device of claim 27, wherein the main body comprises external threading.
Claim 33
Dependent Claim
28 words
The distraction device of claim 27, wherein the base slidably engages the main body, and wherein the base is inhibited from rotating with respect to the main body.
Claim 34
Dependent Claim
26 words
The distraction device of claim 27, wherein the main body comprises holes and the base comprises pins configured to engage the holes in the main body.
Claim 35
Dependent Claim
37 words
The distraction device of claim 27, wherein the main body comprises one or more grooves and the base comprises one or more finger projections configured to fit in the one or more grooves in the undistracted position.
Claim 36
Dependent Claim
17 words
The distraction device of claim 27, wherein a portion of the base telescopically engages the main body.
Claim 37
Dependent Claim
18 words
The distraction device of claim 27, further comprising a dental abutment or prosthesis attached to the main body.
Claim 38
Dependent Claim
169 words
A distraction device comprising: an elongate main body, wherein the main body comprises: a threaded internal duct; and a top configured to connect to a dental abutment; a base comprising an internal cavity, wherein the internal cavity is configured to align with the internal duct of the main body during use, to form a contiguous channel to the top of the main body, and wherein the cavity terminates in a surface configured to accept an end of an elongated member and provide a solid distraction platform against which an elongated member is freely rotatable; and an elongated member comprising external threading configured to mate with the internal threading of the main body and wherein the elongated member is configured to be disposed within the internal duct of the main body and extend into the cavity of the base; wherein upon engaging the threads and rotating the elongated member with respect to the main body, the elongated member is driven through the duct of the main body toward the base.
Claim 39
Dependent Claim
169 words
A distraction device comprising: an elongate main body, wherein the main body comprises: a threaded internal duct; and a top configured to connect to a dental abutment; a base comprising an internal cavity, wherein the internal cavity is configured to align with the internal duct of the main body during use, to form a contiguous channel to the top of the main body, and wherein the cavity terminates in a surface configured to accept an end of an elongated member and provide a solid distraction platform against which an elongated member is freely rotatable; and an elongated member comprising external threading configured to mate with the internal threading of the main body and wherein the elongated member is configured to be disposed within the internal duct of the main body and extend into the cavity of the base; wherein upon engaging the threads and rotating the elongated member with respect to the main body, the elongated member is driven through the duct of the main body toward the base.
Claim 40
Dependent Claim
20 words
The distraction device of claim 36, wherein the top of the main body comprises a male connector for an abutment.
Claim 41
Dependent Claim
20 words
The distraction device of claim 36, wherein the top of the main body comprises a female connector for an abutment.
Claim 42
Dependent Claim
55 words
The distraction device of claim 36, wherein the distraction device provides a connection for an abutment requiring an external hexagonal attachment, an 8° Morse taper configuration, a spline configuration, an internal hexagon, a screw retained abutment, a cement retained abutment, an exterior square post, an exterior octagonal post, an internal square, or an internal octagon.
Claim 43
Dependent Claim
24 words
The distraction device of claim 36, wherein the top of the main body comprises a connector for driving the distraction device into a bone.
Claim 44
Dependent Claim
28 words
The distraction device of claim 36, wherein the base slidably engages the main body, and wherein the base is inhibited from rotating with respect to the main body.
Claim 45
Dependent Claim
26 words
The distraction device of claim 36, wherein the main body comprises holes and the base comprises pins configured to engage the holes in the main body.
Claim 46
Dependent Claim
37 words
The distraction device of claim 36, wherein the main body comprises one or more grooves and the base comprises one or more finger projections configured to fit in the one or more grooves in the undistracted position.
Claim 47
Dependent Claim
17 words
The distraction device of claim 36, wherein a portion of the base telescopically engages the main body.
Claim 48
Dependent Claim
18 words
The distraction device of claim 36, further comprising a dental abutment or prosthesis attached to the main body.
Claim 49
Dependent Claim
35 words
The distraction device of claim 36, wherein the elongated member comprises a hexagonal head, a square head, a polygonal cavity, a square cavity, a slot, or a crossed slot configured to activate the elongated member.
Claim 50
Dependent Claim
170 words
A distraction device comprising: an elongate main body, wherein the main body comprises: a threaded internal duct; and a top comprising an external hex connector for an abutment; a base comprising an internal cavity, wherein the internal cavity is configured to align with the internal duct of the main body during use, to form a contiguous channel to the top of the main body, and wherein the cavity terminates in a surface configured to accept an end of an elongated member and provide a solid distraction platform against which an elongated member is freely rotatable; and an elongated member comprising external threading configured to mate with the internal threading of the main body and wherein the elongated member is configured to be disposed within the internal duct of the main body and extend into the cavity of the base; wherein upon engaging the threads and rotating the elongated member with respect to the main body, the elongated member is driven through the duct of the main body toward the base.
Claim 51
Dependent Claim
170 words
A distraction device comprising: an elongate main body, wherein the main body comprises: a threaded internal duct; and a top comprising an external hex connector for an abutment; a base comprising an internal cavity, wherein the internal cavity is configured to align with the internal duct of the main body during use, to form a contiguous channel to the top of the main body, and wherein the cavity terminates in a surface configured to accept an end of an elongated member and provide a solid distraction platform against which an elongated member is freely rotatable; and an elongated member comprising external threading configured to mate with the internal threading of the main body and wherein the elongated member is configured to be disposed within the internal duct of the main body and extend into the cavity of the base; wherein upon engaging the threads and rotating the elongated member with respect to the main body, the elongated member is driven through the duct of the main body toward the base.
Claim 52
Dependent Claim
13 words
The distraction device of claim 47, wherein the main body comprises external threading.
Claim 53
Dependent Claim
19 words
The distraction device of claim 47, wherein the elongated member comprises a square cavity for turning the elongated member.
Claim 54
Dependent Claim
28 words
The distraction device of claim 47, wherein the base slidably engages the main body, and wherein the base is inhibited from rotating with respect to the main body.
Claim 55
Dependent Claim
26 words
The distraction device of claim 47, wherein the main body comprises holes and the base comprises pins configured to engage the holes in the main body.
Claim 56
Dependent Claim
37 words
The distraction device of claim 47, wherein the main body comprises one or more grooves and the base comprises one or more finger projections configured to fit in the one or more grooves in the undistracted position.
Claim 57
Dependent Claim
17 words
The distraction device of claim 47, wherein a portion of the base telescopically engages the main body.
Claim 58
Dependent Claim
186 words
A distraction device comprising: an elongate main body, wherein the main body comprises: a threaded internal duct; a top comprising an 8° taper configuration for connection to an abutment; and a connection configured to engage a driver to drive the device into a bone; a base comprising an internal cavity, wherein the internal cavity is configured to align with the internal duct of the main body during use, to form a contiguous channel to the top of the main body, and wherein the cavity terminates in a surface configured to accept an end of an elongated member and provide a solid distraction platform against which an elongated member is freely rotatable; and an elongated member comprising external threading configured to mate with the internal threading of the main body and wherein the elongated member is configured to be disposed within the internal duct of the main body and extend into the cavity of the base; wherein upon engaging the threads and rotating the elongated member with respect to the main body, the elongated member is driven through the duct of the main body toward the base.
Claim 59
Dependent Claim
186 words
A distraction device comprising: an elongate main body, wherein the main body comprises: a threaded internal duct; a top comprising an 8° taper configuration for connection to an abutment; and a connection configured to engage a driver to drive the device into a bone; a base comprising an internal cavity, wherein the internal cavity is configured to align with the internal duct of the main body during use, to form a contiguous channel to the top of the main body, and wherein the cavity terminates in a surface configured to accept an end of an elongated member and provide a solid distraction platform against which an elongated member is freely rotatable; and an elongated member comprising external threading configured to mate with the internal threading of the main body and wherein the elongated member is configured to be disposed within the internal duct of the main body and extend into the cavity of the base; wherein upon engaging the threads and rotating the elongated member with respect to the main body, the elongated member is driven through the duct of the main body toward the base.
Claim 60
Dependent Claim
18 words
The distraction device of claim 54, wherein the connection configured to engage a driver comprises an internal hexagon.
Claim 61
Dependent Claim
19 words
The distraction device of claim 54, wherein the connection configured to engage a driver comprises one or more slots.
Claim 62
Dependent Claim
13 words
The distraction device of claim 54, wherein the main body comprises external threading.
Claim 63
Dependent Claim
19 words
The distraction device of claim 54, wherein the elongated member comprises a polygonal cavity for turning the elongated member.
Claim 64
Dependent Claim
16 words
The distraction device of claim 54, further comprising a dental abutment attached to the main body.
Claim 65
Dependent Claim
28 words
The distraction device of claim 54, wherein the base slidably engages the main body, and wherein the base is inhibited from rotating with respect to the main body.
Claim 66
Dependent Claim
26 words
The distraction device of claim 54, wherein the main body comprises holes and the base comprises pins configured to engage the holes in the main body.
Claim 67
Dependent Claim
37 words
The distraction device of claim 54, wherein the main body comprises one or more grooves and the base comprises one or more finger projections configured to fit in the one or more grooves in the undistracted position.
Claim 68
Dependent Claim
17 words
The distraction device of claim 54, wherein a portion of the base telescopically engages the main body.
Claim 69
Dependent Claim
155 words
A distraction device comprising: a main body, wherein the main body comprises: a threaded internal duct; a top configured to provide a connector for an abutment; and a bottom surface comprising one or more holes extending into the main body; a base configured to provide a solid distraction platform against which an elongated member is freely rotatable and comprising one or more pins on the surface configured to engage the one or more holes in the bottom surface of the main body during use; and an elongated member comprising external threading configured to mate with the internal threading of the main body and wherein the elongated member is configured to be disposed within the internal duct of the main body and contact the base; wherein upon engaging the threads and rotating the elongated member with respect to the main body, the elongated member is driven through the duct of the main body toward the base.
Claim 70
Dependent Claim
155 words
A distraction device comprising: a main body, wherein the main body comprises: a threaded internal duct; a top configured to provide a connector for an abutment; and a bottom surface comprising one or more holes extending into the main body; a base configured to provide a solid distraction platform against which an elongated member is freely rotatable and comprising one or more pins on the surface configured to engage the one or more holes in the bottom surface of the main body during use; and an elongated member comprising external threading configured to mate with the internal threading of the main body and wherein the elongated member is configured to be disposed within the internal duct of the main body and contact the base; wherein upon engaging the threads and rotating the elongated member with respect to the main body, the elongated member is driven through the duct of the main body toward the base.
Claim 71
Dependent Claim
24 words
The distraction device of claim 64, wherein the main body comprises external threading configured to be screwed into a predrilled hole in a bone.
Claim 72
Dependent Claim
30 words
The distraction device of claim 64, wherein the elongated member comprises a square cavity in the top thereof, configured to provide a connection for a square headed wrench or driver.
Claim 73
Dependent Claim
55 words
The distraction device of claim 64, wherein the distraction device provides a connection for an abutment requiring an external hexagonal attachment, an 8° Morse taper configuration, a spline configuration, an internal hexagon, a screw retained abutment, a cement retained abutment, an exterior square post, an exterior octagonal post, an internal square, or an internal octagon.
Claim 74
Dependent Claim
21 words
The distraction device of claim 64, wherein the main body comprises a connector configured to drive the device into a bone.
Claim 75
Dependent Claim
16 words
The distraction device of claim 64, further comprising a dental abutment attached to the main body.
Claim 76
Dependent Claim
148 words
A distraction device comprising: a substantially cylindrical main body, wherein the main body comprises: a threaded internal duct; a top configured to provide a connector for an abutment; and one or more grooves on the exterior surface; a base configured to provide a solid distraction platform against which an elongated member is freely rotatable and comprising one or more fingers configured to engage the one or more grooves on the surface of the main body during use; and an elongated member comprising external threading configured to mate with the internal threading of the main body and wherein the elongated member is configured to be disposed within the internal duct of the main body and contact the base; wherein upon engaging the threads and rotating the elongated member with respect to the main body, the elongated member is driven through the duct of the main body toward the base.
Claim 77
Dependent Claim
148 words
A distraction device comprising: a substantially cylindrical main body, wherein the main body comprises: a threaded internal duct; a top configured to provide a connector for an abutment; and one or more grooves on the exterior surface; a base configured to provide a solid distraction platform against which an elongated member is freely rotatable and comprising one or more fingers configured to engage the one or more grooves on the surface of the main body during use; and an elongated member comprising external threading configured to mate with the internal threading of the main body and wherein the elongated member is configured to be disposed within the internal duct of the main body and contact the base; wherein upon engaging the threads and rotating the elongated member with respect to the main body, the elongated member is driven through the duct of the main body toward the base.
Claim 78
Dependent Claim
30 words
The distraction device of claim 70, wherein the elongated member comprises a square cavity in the top thereof, configured to provide a connection for a square headed wrench or driver.
Claim 79
Dependent Claim
21 words
The distraction device of claim 70, wherein the main body comprises a connector configured to drive the device into a bone.
Claim 80
Dependent Claim
55 words
The distraction device of claim 70, wherein the distraction device provides a connection for an abutment requiring an external hexagonal attachment, an 8° Morse taper configuration, a spline configuration, an internal hexagon, a screw retained abutment, a cement retained abutment, an exterior square post, an exterior octagonal post, an internal square, or an internal octagon.
Claim 81
Dependent Claim
16 words
The distraction device of claim 70, further comprising a dental abutment attached to the main body.
Claim 82
Dependent Claim
125 words
A distraction device comprising: a main body, wherein the main body comprises: a threaded internal duct; and a top configured to provide a connector for an abutment; a base configured to provide a solid distraction platform against which an elongated member is freely rotatable and configured to telescopically engage the main body during use; and an elongated member comprising external threading configured to mate with the internal threading of the main body and wherein the elongated member is configured to be disposed within the internal duct of the main body and contact the base; wherein upon engaging the threads and rotating the elongated member with respect to the main body, the elongated member is driven through the duct of the main body toward the base.
Claim 83
Dependent Claim
125 words
A distraction device comprising: a main body, wherein the main body comprises: a threaded internal duct; and a top configured to provide a connector for an abutment; a base configured to provide a solid distraction platform against which an elongated member is freely rotatable and configured to telescopically engage the main body during use; and an elongated member comprising external threading configured to mate with the internal threading of the main body and wherein the elongated member is configured to be disposed within the internal duct of the main body and contact the base; wherein upon engaging the threads and rotating the elongated member with respect to the main body, the elongated member is driven through the duct of the main body toward the base.
Claim 84
Dependent Claim
24 words
The distraction device of claim 75, wherein the main body comprises external threading configured to be screwed into a predrilled hole in a bone.
Claim 85
Dependent Claim
30 words
The distraction device of claim 75, wherein the elongated member comprises a square cavity in the top thereof, configured to provide a connection for a square headed wrench or driver.
Claim 86
Dependent Claim
55 words
The distraction device of claim 75, wherein the distraction device provides a connection for an abutment requiring an external hexagonal attachment, an 8° Morse taper configuration, a spline configuration, an internal hexagon, a screw retained abutment, a cement retained abutment, an exterior square post, an exterior octagonal post, an internal square, or an internal octagon.
Claim 87
Dependent Claim
21 words
The distraction device of claim 75, wherein the main body comprises a connector configured to drive the device into a bone.
Claim 88
Dependent Claim
16 words
The distraction device of claim 75, further comprising a dental abutment attached to the main body.
Claim 89
Independent Claim
224 words
A method of providing a dental implant in an area of bone deficiency, comprising: providing a bone distraction device, the device comprising: (a) an elongate main body, wherein the main body comprises: an internal duct; and a top configured to connect to a dental abutment; (b) a base configured to accept an end of an elongated member and provide a distraction platform; and (c) an elongated member comprising an activation device and configured to be disposed within the internal duct of the main body and contact the base; wherein activation is effective to urge the elongated member through the channel of the main body and against the base, to cause separation of the main body and the base; drilling a hole in the bone, wherein the hole is of a size and shape to accommodate the bone distraction device; making an osteotomy just below the hole; inserting the bone distraction device in the hole; separating the superior bone segments and inferior bone segments; separating the main body and the base by activating the elongated member, thus further separating the superior and inferior bone segments; allowing the bone callus between the bone segments to grow; repeating the two previous steps until the desired bone height is reached; and allowing the bone distraction device to remain in the distracted bone to serve as a dental implant.
Claim 90
Independent Claim
224 words
A method of providing a dental implant in an area of bone deficiency, comprising: providing a bone distraction device, the device comprising: (a) an elongate main body, wherein the main body comprises: an internal duct; and a top configured to connect to a dental abutment; (b) a base configured to accept an end of an elongated member and provide a distraction platform; and (c) an elongated member comprising an activation device and configured to be disposed within the internal duct of the main body and contact the base; wherein activation is effective to urge the elongated member through the channel of the main body and against the base, to cause separation of the main body and the base; drilling a hole in the bone, wherein the hole is of a size and shape to accommodate the bone distraction device; making an osteotomy just below the hole; inserting the bone distraction device in the hole; separating the superior bone segments and inferior bone segments; separating the main body and the base by activating the elongated member, thus further separating the superior and inferior bone segments; allowing the bone callus between the bone segments to grow; repeating the two previous steps until the desired bone height is reached; and allowing the bone distraction device to remain in the distracted bone to serve as a dental implant.
Claim 91
Independent Claim
118 words
A method of manufacturing a combination bone distraction and dental implant device, the method comprising: providing a main body, wherein the main body comprises: an internal channel; and a top designed to accommodate a dental abutment; providing a base configured to accept an end of an elongated member and provide a solid distraction platform against which an elongated member is freely rotatable; providing an elongated member configured to be disposed within and extending into the internal channel of the main body and contacting the base; the elongated member further defined as comprising: an activation device, wherein activation is effective to move the main body along the elongated member, to cause separation of the main body and the base.
Claim 92
Independent Claim
118 words
A method of manufacturing a combination bone distraction and dental implant device, the method comprising: providing a main body, wherein the main body comprises: an internal channel; and a top designed to accommodate a dental abutment; providing a base configured to accept an end of an elongated member and provide a solid distraction platform against which an elongated member is freely rotatable; providing an elongated member configured to be disposed within and extending into the internal channel of the main body and contacting the base; the elongated member further defined as comprising: an activation device, wherein activation is effective to move the main body along the elongated member, to cause separation of the main body and the base.
Claim 93
Independent Claim
251 words
A method of anchoring a dental prosthesis in an area of low bone density comprising: providing a bone distraction device, the device comprising: (a) a main body, wherein the main body comprises: a threaded internal channel; external threads; and a top designed to accommodate a dental abutment; (b) a base configured to accept an end of an elongated member and provide a solid distraction platform against which an elongated member is freely rotatable; (c) an elongated member disposed within and extending into the internal channel of the main body and contacting the base; the elongated member further defined as comprising: threads configured to mate with the threaded internal channel of the main body; and an activation device, wherein activation is effective to engage the threads on the elongated member with the threads on the internal channel of the main body and upon rotation of the elongated member, to cause separation of the main body and the base; making an incision in the gum tissue and exposing the bone of the upper or lower jaw; drilling a hole the diameter of the device; making an osteotomy in the jaw bone just below the hole; tapping the bone to accommodate external threads on the main body; screwing the device into position; separating the superior osteotomized bone segments and inferior osteotomized bone segments; closing the gingiva; turning the shaft by means of an activation wrench; repeating the previous step until the desired bone height is achieved; and attaching a dental abutment to the device.
Claim 94
Independent Claim
251 words
A method of anchoring a dental prosthesis in an area of low bone density comprising: providing a bone distraction device, the device comprising: (a) a main body, wherein the main body comprises: a threaded internal channel; external threads; and a top designed to accommodate a dental abutment; (b) a base configured to accept an end of an elongated member and provide a solid distraction platform against which an elongated member is freely rotatable; (c) an elongated member disposed within and extending into the internal channel of the main body and contacting the base; the elongated member further defined as comprising: threads configured to mate with the threaded internal channel of the main body; and an activation device, wherein activation is effective to engage the threads on the elongated member with the threads on the internal channel of the main body and upon rotation of the elongated member, to cause separation of the main body and the base; making an incision in the gum tissue and exposing the bone of the upper or lower jaw; drilling a hole the diameter of the device; making an osteotomy in the jaw bone just below the hole; tapping the bone to accommodate external threads on the main body; screwing the device into position; separating the superior osteotomized bone segments and inferior osteotomized bone segments; closing the gingiva; turning the shaft by means of an activation wrench; repeating the previous step until the desired bone height is achieved; and attaching a dental abutment to the device.
References Cited (Backward Citations)
US4011602A
Cited
US4744853A
Cited
US4886456A
Cited
US4906191A
Cited
US5769630A
Cited
US5320529A
Cited
US5364396A
Cited
US5584695A
Cited
US5611688A
Cited
US5489210A
Cited
US5899696A
Cited
US5682951A
Cited
EP0791337A1
Cited
US5725377A
Cited
WO1998009577A1
Cited
EP0832613A1
Cited
US5899940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-04-18 | 2003-10-18 | 2004-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-04-18 | 2007-10-18 | 2008-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-04-18 | 2011-10-18 | 2012-04-18 | $7700.00 | Window Closed / Lapsed |