SELF-OSTEOTOMIZING AND GRAFTING BONE IMPLANT
A bone implant includes a head and a core body extending from the head to a tip. Multiple osteotomy blades extend outwardly from at least a portion of the core body, arranged end-to-end to form a spiral thread. The implant, and particularly the osteotomy blades, are configured to self-osteotomize and channel cut bone between the blades and facilitate bone growth and grafting and integration of the implant to the bone.
1 . A self-osteotomizing and grafting bone implant, comprising:
a head;
a core body extending from the head to a tip and having a longitudinal axis; and
multiple osteotomy blades extending outwardly from at least a portion of the core body and arranged end to end forming a spiral thread;
wherein at least a portion of the osteotomy blades have an enlarged generally flat peripheral outer surface defining a stabilizing wall generally facing away from the core body.
2 . The implant of claim 1 , wherein the stabilizing wall defines a cutting edge.
3 . The implant of claim 1 , wherein an upper surface generally directed towards the head or a lower surface generally directed toward the tip of the osteotomy blades defines a depression adapted to channel bone material cut by the implant to a space between the upper and lower surfaces of adjacent osteotomy blades.
4 . The implant of claim 3 , wherein the depression is generally V-shaped or U-shaped.
5 . The implant of claim 4 , wherein the depression is defined by a first angled ramp of the surface of the osteotomy blade extending from the core body and a second angled ramp of the surface of the osteotomy blade extending from the peripheral outer surface of the osteotomy blade towards the first angled ramp.
6 . The implant of claim 5 , wherein at least a portion of the peripheral outer portion of the osteotomy blade has a generally triangular cross-section.
7 . The implant of claim 1 , wherein a plurality of osteotomy blades are end to end for each turn of the spiral thread.
8 . The implant of claim 1 , including a plurality of apertures formed through the osteotomy blades of a size and configuration permitting blood vessels and/or bone to grow therein.
9 . The implant of claim 8 , wherein surfaces and edges formed by the apertures are generally non-cutting flat or rounded edges and surfaces.
10 . The implant of claim 8 , wherein the apertures comprise open-face apertures formed in peripheral surfaces of the osteotomy blades.
11 . The implant of claim 1 , wherein the head of the implant comprises a dental implant head, wherein at least a portion of an outer surface of the dental implant head is generally concave.
12 . The implant of claim 11 , including a generally cylindrical neck adjacent the core body, and the generally concave outer surface of the head extending between the neck and an upper head surface.
13 . The implant of claim 1 , wherein the tip is rounded and has a diameter substantially matching a diameter of a pilot hole drilled into the bone.
14 . The implant of claim 1 , wherein at least a portion of the osteotomy blades adjacent the core body are of increasing cross-sectional thickness from the head towards the tip.
15 . The implant of claim 1 , wherein the implant is generally tapered from the head to the tip.
16 . A self-osteotomizing and grafting bone implant, comprising:
a head;
a core body extending from the head to a tip and having a longitudinal axis; and
multiple osteotomy blades extending outwardly from at least a portion of the core body and arranged end to end forming a spiral thread;
wherein an upper surface generally directed towards the head or a lower surface generally directed toward the tip of the osteotomy blades defines a generally V-shaped or U-shaped depression adapted to channel bone material cut by the implant to a space between the upper and lower surfaces of adjacent osteotomy blades.
17 . The implant of claim 16 , wherein the depression is defined by a first angled ramp of the surface of the osteotomy blade extending from the core body and a second angled ramp of the surface of the osteotomy blade extending from the peripheral outer surface of the osteotomy blade towards the first angled ramp.
18 . The implant of claim 16 , wherein at least a portion of the osteotomy blades have an enlarged generally flat peripheral outer surface defining a stabilizing wall generally facing away from the core body and defining a cutting edge.
19 . The implant of claim 18 , wherein at least a portion of the peripheral outer portion of the osteotomy blade has a generally triangular cross-section.
20 . The implant of claim 16 , wherein a plurality of osteotomy blades are end to end for each turn of the spiral thread.
21 . The implant of claim 16 , including a plurality of apertures formed through the osteotomy blades of a size and configuration permitting blood vessels and/or bone to grow therein.
22 . The implant of claim 21 , wherein surfaces and edges formed by the apertures are generally non-cutting flat or rounded edges and surfaces.
23 . The implant of claim 21 , wherein the apertures comprise open-face apertures formed in peripheral surfaces of the osteotomy blades.
24 . The implant of claim 16 , wherein the head of the implant comprises a dental implant head, wherein at least a portion of an outer surface of the dental implant head is generally concave.
25 . The implant of claim 24 , including a generally cylindrical neck adjacent the core body, and the generally concave outer surface of the head extending between the neck and an upper head surface.
26 . The implant of claim 16 , wherein the tip is rounded and has a diameter substantially matching a diameter of a pilot hole drilled into the bone.
27 . The implant of claim 16 , wherein at least a portion of the osteotomy blades adjacent the core body are of increasing cross-sectional thickness from the head towards the tip.
28 . The implant of claim 16 , wherein the implant is generally tapered from the head to the tip.
29 . A self-osteotomizing and grafting bone implant, comprising:
a head;
a core body extending from the head to a tip and having a longitudinal axis; and
multiple osteotomy blades extending outwardly from at least a portion of the core body and arranged end to end forming a spiral thread;
a plurality of apertures formed through the osteotomy blades of a size and configuration permitting blood vessels and/or bone to grow therein.
30 . The implant of claim 29 , wherein surfaces and edges formed by the apertures are generally non-cutting flat or rounded edges and surfaces.
31 . The implant of claim 29 , wherein the apertures comprise open-face apertures formed in peripheral surfaces of the osteotomy blades.
32 . The implant of claim 29 , wherein an upper surface generally directed towards the head or a lower surface generally directed toward the tip of the osteotomy blades defines a generally V-shaped or U-shaped depression adapted to channel bone material cut by the implant to a space between the upper and lower surfaces of adjacent osteotomy blades.
33 . The implant of claim 32 , wherein the depression is defined by a first angled ramp of the surface of the osteotomy blade extending from the core body and a second angled ramp of the surface of the osteotomy blade extending from the peripheral outer surface of the osteotomy blade towards the first angled ramp.
34 . The implant of claim 29 , wherein at least a portion of the osteotomy blades have an enlarged generally flat peripheral outer surface defining a stabilizing wall generally facing away from the core body and defining a cutting edge.
35 . The implant of claim 34 , wherein at least a portion of the peripheral outer portion of the osteotomy blade has a generally triangular cross-section.
36 . The implant of claim 29 , wherein a plurality of osteotomy blades are end to end for each turn of the spiral thread.
37 . The implant of claim 29 , wherein the head of the implant comprises a dental implant head, wherein at least a portion of an outer surface of the dental implant head is generally concave.
38 . The implant of claim 37 , including a generally cylindrical neck adjacent the core body, and the generally concave outer surface of the head extending between the neck and an upper head surface.
39 . The implant of claim 29 , wherein the tip is rounded and has a diameter substantially matching a diameter of a pilot hole drilled into the bone.
40 . The implant of claim 29 , wherein at least a portion of the osteotomy blades adjacent the core body are of increasing cross-sectional thickness from the head towards the tip.
41 . The implant of claim 29 , wherein the implant is generally tapered from the head to the tip.
42 . A self-osteotomizing and grafting bone implant, comprising:
a head;
a core body extending from the head to a tip and having a longitudinal axis; and
multiple osteotomy blades extending outwardly from at least a portion of the core body and arranged end to end forming a spiral thread;
a plurality of apertures formed through the osteotomy blades of a size and configuration permitting blood vessels and/or bone to grow therein;
wherein an upper surface generally directed towards the head or a lower surface generally directed toward the tip of the osteotomy blades defines a generally V-shaped or U-shaped depression adapted to channel bone material cut by the implant to a space between the upper and lower surfaces of adjacent osteotomy blades; and
wherein at least a portion of the osteotomy blades have an enlarged generally flat peripheral outer surface defining a stabilizing wall generally facing away from the core body and defining a cutting edge.
43 . The implant of claim 42 , wherein surfaces and edges formed by the apertures are generally non-cutting flat or rounded edges and surfaces.
44 . The implant of claim 42 , wherein the apertures comprise open-face apertures formed in peripheral surfaces of the osteotomy blades.
45 . The implant of claim 42 , wherein the depression is defined by a first angled ramp of the surface of the osteotomy blade extending from the core body and a second angled ramp of the surface of the osteotomy blade extending from the peripheral outer surface of the osteotomy blade towards the first angled ramp.
46 . The implant of claim 45 , wherein at least a portion of the peripheral outer portion of the osteotomy blade has a generally triangular cross-section.
47 . The implant of claim 42 , wherein a plurality of osteotomy blades are end to end for each turn of the spiral thread.
48 . The implant of claim 42 , wherein the head of the implant comprises a dental implant head, wherein at least a portion of an outer surface of the dental implant head is generally concave.
49 . The implant of claim 48 , including a generally cylindrical neck adjacent the core body, and the generally concave outer surface of the head extending between the neck and an upper head surface.
50 . The implant of claim 42 , wherein the tip is rounded and has a diameter substantially matching a diameter of a pilot hole drilled into the bone.
51 . The implant of claim 42 , wherein at least a portion of the osteotomy blades adjacent the core body are of increasing cross-sectional thickness from the head towards the tip.
52 . The implant of claim 42 , wherein the implant is generally tapered from the head to the tip.
53 . A self-osteotomizing and grafting dental implant bone implant, comprising:
a head having an internal connection for attachment of an abutment, an upper head surface and a lower head surface, the lower head surface being of a greater diameter than the upper head surface, and a neck extending between the upper and lower head surfaces, at least a portion of the neck defining a generally concave surface;
a core body extending from the head to a tip and having a longitudinal axis; and
multiple osteotomy blades extending outwardly from at least a portion of the core body and arranged end to end forming a spiral thread.
54 . The implant of claim 53 , wherein the neck portion has a generally cylindrical portion adjacent to the lower surface of the head.
55 . The implant of claim 53 , including a plurality of apertures formed through the osteotomy blades of a size and configuration permitting blood vessels and/or bone to grow therein.
56 . The implant of claim 53 , wherein at least a portion of the osteotomy blades has an enlarged generally flat peripheral outer surface defining a stabilizing wall generally facing away from the core body and defining a cutting edge.
57 . The implant of claim 53 , wherein an upper surface generally directed towards the head or a lower surface generally directed toward the tip of the osteotomy blades defines a generally V-shaped or U-shaped depression adapted to channel bone material cut by the implant to a space between the upper and lower surfaces of adjacent osteotomy blades.
58 . The implant of claim 57 , wherein the depression is defined by a first angled ramp of the surface of the osteotomy blade extending from the core body and a second angled ramp of the surface of the osteotomy blade extending from the peripheral outer surface of the osteotomy blade towards the first angled ramp.
59 . The implant of claim 56 , wherein at least a portion of the peripheral outer portion of the osteotomy blade has a generally triangular cross-section.
60 . The implant of claim 53 , wherein a plurality of osteotomy blades are end to end for each turn of the spiral thread.
61 . The implant of claim 55 , wherein surfaces and edges formed by the apertures are generally non-cutting flat or rounded edges and surfaces.
62 . The implant of claim 55 , wherein the apertures comprise open-face apertures formed in peripheral surfaces of the osteotomy blades.
63 . The implant of claim 53 , wherein the tip is rounded and has a diameter substantially matching a diameter of a pilot hole drilled into the bone.
64 . The implant of claim 53 , wherein at least a portion of the osteotomy blades adjacent the core body are of increasing cross-sectional thickness from the head towards the tip.
65 . The implant of claim 53 , wherein the implant is generally tapered from the head to the tip.