Intraosseous sliding osteotomy system and method
A system includes an intraosseous sliding osteotomy (ISO) plate including a body extending between a first end, a second end, a first surface, a second surface, and a perimeter wall. The body defines at least one fastener aperture extending from the first surface to the second surface. A plate handle is configured to be coupled to the ISO plate. The plate handle includes a body including a handle portion and a head portion. The head portion defines at least one aperture. A locking element includes a locking portion sized and configured to extend through the at least one aperture defined in the head portion of the plate handle to couple the plate handle to the ISO plate.
1 . A system, comprising:
an intraosseous sliding osteotomy (ISO) plate including:
a body extending between a first surface and a second surface and defined by a perimeter wall;
an insertion portion defining a portion of the body that is sized and configured to insert into a medullary canal of a bone, the insertion portion including a tapered portion having a width extending between the perimeter wall that increases from the first end to a first position in the body;
a compression portion including a non-locking fastener aperture that extends through the body at a predetermined angle;
a fixation portion extending from a second position in the body to the second end and including a plurality of fastener apertures adjacent to each other laterally across a width of the body and extending from the first surface to the second surface; and
a plate handle configured to be coupled to the ISO plate and including a handle head positioned at a distal end of a handle body, wherein the handle head includes an opening configured to receive at least one locking drill guide and defined by a first circular portion, a second circular portion, and a channel extending from the first and the second circular portions to a distal edge of the handle body.
2 . The system of claim 1 , wherein the ISO plate further includes a shroud extending from the second surface and defining a portion of the non-locking fastener aperture.
3 . The system of claim 2 , wherein the shroud is configured to receive a non-locking screw such that when the non-locking screw is inserted through the non-locking fastener aperture, a head of the non-locking screw is contained entirely within the shroud.
4 . The system of claim 1 , wherein the insertion portion includes a leading edge tapered between the first surface and the second surface.
5 . The system of claim 1 , wherein the plurality of fastener apertures are locking fastenings apertures that are each configured to receive a locking fastener.
6 . The system of claim 1 , further comprising a locking drill guide configured to couple the ISO plate to a plate handle, wherein the locking drill guide includes:
a body defining a channel extending therethrough from a first end to a second end and extending parallel to a longitudinal axis of the body, the channel being configured to interface with a driver inserted into the channel,
a locking extension extending from the first end and including at least one locking feature configured to couple the locking drill guide to the ISO plate via at least one of the plurality of fastener apertures, and
a handle contact edge defined at the first end and sized and configured to contact a surface of a head of the plate handle and lock the locking drill guide to the ISO plate while compressing the head of the plate handle between the locking drill guide and the ISO plate.
7 . The system of claim 1 , further comprising a drill guide configured to guide formation of a channel in a bone, wherein:
the drill guide includes a head portion coupled to a distal end of a handle portion,
the head portion includes a neck extending from the handle portion and an insert receiving portion,
the neck includes an offset portion that extends a predetermined distance to position the insert receiving portion at a predetermined vertical offset from the handle portion, and
the insert receiving portion includes a body defining an insert channel extending therethrough and configured to receive a drill guide insert therein.
8 . The system of claim 7 , further comprising a drill guide insert, wherein:
the drill guide insert includes a substantially cylindrical body including a tapered insert portion and a guide channel extending through the cylindrical body that is configured to receive a drill bit therethrough for drilling into a bone, and
the drill guide insert is sized and configured to be received within the insert channel such that a central longitudinal axis of the insert channel and a central longitudinal axis of the cylindrical body are aligned.
9 . The system of claim 8 , wherein the drill guide insert is sized and configured to be inserted into one of the plurality of fastener apertures and/or the non-locking fastener aperture of the ISO plate.
10 . The system of claim 1 , further comprising a broach including a broach insert coupled to a broach handle, wherein
the broach handle defines a channel sized and configured to receive a portion of the broach insert therein,
the broach insert comprises an insertion portion having a first thickness and a coupling portion having a second thickness, and
the first thickness is less than the second thickness.
11 . A method of forming an osteotomy, comprising:
cutting a bone to define a first bone portion and a second bone portion;
inserting a broach partially into a cut in the bone;
rotating the broach to displace the first bone portion from the second bone portion;
partially inserting an intraosseous sliding osteotomy (ISO) plate having a tapered leading edge into the second bone portion;
forming a first fastener channel in the first bone portion using a drill guide including a drill guide insert positioned within a head portion of the drill guide by inserting the drill guide insert into a first locking aperture of the ISO plate and drilling through the drill guide insert;
inserting a first locking fastener through the first locking aperture and into the first fastener channel;
forming a second fastener channel in the second bone portion using the drill guide insert by inserting the drill guide insert into a non-locking aperture of the ISO plate and drilling through the drill guide insert; and
inserting a non-locking fastener through the non-locking aperture and into the second fastener channel.
12 . The method of claim 11 further comprising, inserting a k-wire into the first bone portion to keep the first bone portion from shifting with respect to the second bone portion.
13 . The method of claim 11 further comprising, defining a cavity in the second bone portion using the broach.
14 . The method of claim 11 further comprising, forming a third fastener channel in the first bone portion using the drill guide and the drill guide insert by inserting the drill guide insert into a second locking aperture of the ISO plate and drilling through the drill guide insert; and
inserting a second locking fastener through the second locking aperture and into the third fastener channel.
15 . The method of claim 11 further comprising, coupling a plate handle to the ISO plate using the drill guide.
16 . The method of claim 15 , wherein
the drill guide is a locking drill guide including a locking extension that extends through a portion of an opening formed in the plate handle that is coupled to the first locking aperture, and
the locking drill guide locks the plate handle and the ISO plate in a fixed engagement and transfers a force applied to the plate handle to the ISO plate.
17 . The method of claim 11 , wherein the drill guide includes a first locking drill guide and a second locking drill guide such that the first fastener channel is defined using the first locking drill guide and a third fastener channel in the first bone portion is defined using the second locking drill guide.
18 . The method of claim 11 , wherein the non-locking fastener is a compression fastener configured to compress the second bone portion relative to the first bone portion.
19 . The method of claim 11 , wherein the drill guide includes a channel defining a partial torx cross-section configured to receive a torx driver.
20 . A system, comprising:
an intraosseous sliding osteotomy (ISO) plate including a non-locking fastener aperture that extends through the body at a predetermined angle, a fixation portion extending from a second position in the body to the second end and including a plurality of fastener apertures adjacent to each other laterally across a width of the body and extending from the first surface to the second surface; and
a drill guide including a head portion including a neck extending from a handle portion and an insert receiving portion sized and configured to be inserted into any one of the non-locking fastener aperture and fastener apertures of the ISO plate, wherein
the neck includes an offset portion that extends a predetermined distance to position the insert receiving portion at a predetermined vertical offset from the handle portion, and
the insert receiving portion includes a body defining an insert channel extending therethrough and configured to receive a drill guide insert therein.
21 . The system of claim 20 , wherein the drill guide insert includes a substantially cylindrical body including a tapered insert portion and a guide channel extending through the cylindrical body that is configured to receive a drill bit therethrough for drilling into a bone.
22 . The system of claim 20 , wherein
the drill guide insert includes a substantially cylindrical body, and
the drill guide insert is sized and configured to be received within the insert channel such that a central longitudinal axis of the insert channel and a central longitudinal axis of the cylindrical body are aligned.
23 . The system of claim 20 , wherein the drill guide insert is sized and configured to be inserted into the fastener aperture of the ISO plate.
24 . The system of claim 20 , further comprising a plate handle configured to be coupled to the ISO plate via the fastener aperture and including a handle head positioned at a distal end of a body, wherein the handle head includes a body having an opening configured to receive at least one locking drill guide and defined by a first circular portion, a second circular portion, and a channel extending from the first and the second circular portions to a distal edge of the body.
25 . The system of claim 20 , further comprising a broach including a broach insert coupled to a broach handle, the broach insert including an insertion portion having a first thickness and a coupling portion having a second thickness, and the first thickness is less than the second thickness.