CN209004112U - A kind of High Tibial Osteotomy guide plate - Google Patents
A kind of High Tibial Osteotomy guide plate Download PDFInfo
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- CN209004112U CN209004112U CN201821355783.5U CN201821355783U CN209004112U CN 209004112 U CN209004112 U CN 209004112U CN 201821355783 U CN201821355783 U CN 201821355783U CN 209004112 U CN209004112 U CN 209004112U
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- osteotomy guide
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Abstract
The utility model relates to medical instruments fields, more particularly to a kind of High Tibial Osteotomy guide plate.The utility model provides a kind of High Tibial Osteotomy guide plate, and including the guide plate plate body for being bonded tibial medial surface, the outer surface of the guide plate plate body is equipped with multiple transverse cutting bone guideds hole and multiple rising osteotomy guide holes.High Tibial Osteotomy guide plate provided by the utility model and its design method can effectively promote the precision of Tibial osteotomy operation, have and shorten operating time, reduce doctor and patient's raying amount and guarantee the effect of preoperative planning osteotomy accurately implemented.
Description
Technical field
The utility model relates to medical instruments fields, more particularly to a kind of High Tibial Osteotomy guide plate.
Background technique
Shin bone (high position) osteotomy primarily can be used for the operative treatment of osteoarthritis.Knee joint osteoarthritis often can be with
Out knee or deformity in knee.In knee joint varus, stress concentrates on kneed inboard portion, and makes to occur on the inside of knee
Degenerative change be in progress accelerate.On the contrary, then these variations occur in kneed outside if deformity of knee is in position of turning up
Part.The main purpose of osteotomy is by orthotic knee joints axes and to increase the stability in joint to improve knee joint function.Mesh
It is preceding that planning survey, the result obtained in art by preoperative measurement mainly are carried out to patient's double lower limb Weight carrying position x-ray image in the preoperative
And doctors experience, osteotomy is carried out in conjunction with fluoroscopy during operation.In terms of efficiency, operating time is increased；In secure context, doctor
Increase with amount of radiation suffered by patient；It not can guarantee preoperative accurate planning in terms of surgical effect, in art to be carried out.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of High Tibial Osteotomies to lead
Plate, for solving the problems of the prior art.
In order to achieve the above objects and other related objects, the utility model first aspect provides a kind of personalized High Tibial
Osteotomy guide plate, the personalization High Tibial Osteotomy guide plate include the guide plate plate body for being bonded tibial medial (high position) surface,
The outer surface of the guide plate plate body is equipped with multiple transverse cutting bone guideds hole and multiple rising osteotomy guide holes.
In some embodiments of the utility model, the height of the guide plate plate body is 25-50 degree.
In some embodiments of the utility model, guide plate plate body coboundary is curve, and the length of coboundary is 40-
60 degree.
In some embodiments of the utility model, the guide plate plate body lower boundary is curve, and the length of lower boundary is 45-
80 degree.
In some embodiments of the utility model, where the plane and lower boundary where guide plate plate body coboundary
Plane is parallel to each other.
In some embodiments of the utility model, including first rises osteotomy guide hole and the second rising osteotomy guidance
Hole, the described first distance for rising osteotomy guide hole plane where the guide plate plate body coboundary is 8-12mm, on described second
It rises osteotomy guide hole and is located at the first rising osteotomy guide hole lower section and the rising of distance first osteotomy guide hole 10-20mm.
In some embodiments of the utility model, transverse cutting bone guided hole is apart from plane where guide plate plate body lower boundary
Distance is 8-20mm, and each transverse cutting bone guided hole is equidistant with plane where guide plate plate body lower boundary.
In some embodiments of the utility model, including the first transverse cutting bone guided hole and the second transverse cutting bone guided
Hole, the first transverse cutting bone guided hole is apart from guide plate plate body inboard boundary 8-12mm, the second transverse cutting bone guided hole location
In the first transverse cutting bone guided hole outside and distance the first transverse cutting bone guided hole 10-20mm.
In some embodiments of the utility model, each transverse cutting bone guided hole and/or each rising osteotomy guide hole
It is highly 8-15mm for hollow cylindrical body, internal diameter 2-4mm, the outer surface institute with a thickness of 1-3mm, with guide plate plate body in hole
The angle of formation is 45-90 degree.
In some embodiments of the utility model, each transverse cutting bone guided hole and/or each rising osteotomy guide hole
Axis is parallel to each other and the plane that is parallel to where lower boundary and/or coboundary, where the axis for rising osteotomy guide hole
The angle of plane where the axis in plane and transverse cutting bone guided hole is 90-120 degree.
Detailed description of the invention
Fig. 1 is shown as the utility model Tibial osteotomy guide plate schematic diagram.
Fig. 2 is shown as the utility model embodiment guide plate coordinate system front view.
Fig. 3 is shown as the utility model embodiment guide plate coordinate system axonometric drawing.
Fig. 4 is shown as the utility model embodiment guide plate individualized fit schematic diagram of construction method.
Fig. 5 is shown as the utility model guide plate osteotomy guide hole schematic diagram.
Component label instructions
1 guide plate plate body
2 transverse cutting bone guided holes
21 first transverse cutting bone guided holes
22 second transverse cutting bone guided holes
3 rise osteotomy guide hole
31 first rise osteotomy guide hole
32 second rise osteotomy guide hole
4 tibial plateaus are fitted face
5 tibial tubercle
The plane of symmetry inside and outside 6 tibial tubercle
7 tibial tubercle centers
8 left sides limit angle
9 right sides limit angle
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
On the one hand the utility model provides a kind of construction method of High Tibial Osteotomy guide plate model, comprising:
S1 shin bone threedimensional model) is obtained；
S2 guide plate top interface) is obtained, guide plate top interface is 25-30mm at a distance from tibial plateau fitting face；
S3 the following interface of guide plate) is obtained, the following interface of guide plate is 25-40mm at a distance from the interface of guide plate top；
S4 rotation reference axis) is obtained, the rotation reference axis is fitted face, the rotation reference axle position perpendicular to tibial plateau
Inside and outside the tibial tubercle on the plane of symmetry, the rotation reference axle position is on the inside of tibial tubercle and apart from tibial tubercle center 30-
40mm；
S5) using rotation reference axis as axle center, outside central axes in tibial tubercle are rotated into 5-45 degree to tibial medial, with shape
At the outer boundaries of guide plate definition region；
S6) using rotation reference axis as axle center, outside central axes in tibial tubercle are rotated into 90-180 degree to tibial medial, with
Form the inboard boundary of guide plate definition region；
S7) using rotation reference axis as axle center, outside central axes in tibial tubercle are rotated to tibial medial, with guide plate top
Interface, the following interface of guide plate, the outer boundaries of guide plate definition region, guide plate definition region inboard boundary surround the face of being formed by
As guide plate definition region；
S8 the point set of guide plate definition region) is obtained, and further obtains guide plate primary face point set, the initial millet cake of guide plate
Integrate as the intersection point of each point set projection line on rotation reference axis and shin bone model surface in guide plate definition region；
S9) according to guide plate primary face point set, fitting obtains guide plate primary face；
S10 it) is based on the guide plate primary face, building obtains guide plate plate body model；
S11 multiple transverse cutting bone guideds hole, the axis in each transverse cutting bone guided hole) are constructed in guide plate model outer surface
Perpendicular to the plane of symmetry inside and outside the tibial tubercle and apart from the following interface 8-20mm of guide plate, the axis in each transverse cutting bone guided hole
Apart from being equidistant for the following interface of guide plate；
S12 multiple rising osteotomy guide holes, each axis for rising osteotomy guide hole) are constructed in guide plate model outer surface
Perpendicular to the plane of symmetry inside and outside the tibial tubercle, each axis for rising osteotomy guide hole is generally aligned in the same plane and the plane at place
Angle with the plane where the axis in transverse cutting bone guided hole is 90-120 degree.
The construction method of High Tibial Osteotomy guide plate model provided by the utility model may include: to obtain shin bone three
Dimension module.The acquisition shin bone threedimensional model can be obtained by Marching Cubes, the methods of FlyingEdges, described
Shin bone threedimensional model generally includes the threedimensional model of the shin bone part of tibial tubercle or more, for example, may include tibial plateau, shin
Bone tubercle etc..It usually may include the plane of symmetry inside and outside tibial plateau fitting face and/or tibial tubercle in the shin bone threedimensional model
And/or tibial tubercle center, tibial plateau fitting face are often referred to the metaphysis of the proximal end of shin bone and articular surface fitting institute
Plane, the plane of symmetry is often referred to choose the plane of symmetry of the tibial tubercle region in interior lateral direction, institute inside and outside the tibial tubercle
The central point that tibial tubercle center is often referred to tibial tubercle surface region is stated, tibial tubercle center is usually located at tibial tubercle
On the inside and outside plane of symmetry.
The construction method of High Tibial Osteotomy guide plate model provided by the utility model can also include: acquisition guide plate
Top interface, guide plate coboundary mask body are a flat surface, and it is flat that guide plate top interface can be fitted face with tibial plateau
Row, guide plate top interface can be 25-30mm at a distance from tibial plateau fitting face.
The construction method of High Tibial Osteotomy guide plate model provided by the utility model can also include: acquisition guide plate
Following interface, the guide plate lower boundary mask body are a flat surface, and the following interface of guide plate can be parallel with guide plate top interface,
The following interface of guide plate can be 25-40mm at a distance from the interface of guide plate top.
The construction method of High Tibial Osteotomy guide plate model provided by the utility model can also include: to obtain rotation
Reference axis, the rotation reference axis are fitted face perpendicular to tibial plateau, and the rotation reference axle position is in external symmetry in tibial tubercle
On face, the rotation reference axle position is on the inside of tibial tubercle and apart from tibial tubercle center 30-40mm.It is logical on the inside of tibial tubercle
Often refer to tibial tubercle surface toward the side inside shin bone, rotation reference axis and tibial tubercle center, that is, tibial tubercle center are extremely
The vertical range of rotation reference axis axis.In one specific embodiment of the utility model, it can be obtained and be revolved by rotation axis points
Turn reference axis, the rotation axis points are located inside and outside tibial tubercle on the plane of symmetry, and the rotation axis points are located in tibial tubercle center
Side and apart from tibial tubercle center 30-40mm, and the line at the rotation axis points and tibial tubercle center is parallel to tibial plateau
Fitting face, using the rotation axis points relative to tibial plateau fitting face vertical line as rotation reference axis.
The construction method of High Tibial Osteotomy guide plate model provided by the utility model can also include: to rotate base
Fiducial axis is axle center, outside central axes in tibial tubercle is rotated 5-45 degree to tibial medial, to form the outer of guide plate definition region
Lateral boundaries, the guide plate outer boundaries are specially boundary of the guide plate close to tibial tubercle center side.In tibial tubercle in outside
Axis refers specifically to the boundary line of the plane of symmetry and tibial tubercle inside and outside tibial tubercle, and the tibial medial refers specifically to shin bone toward people
Direction between two leg of body.
The construction method of High Tibial Osteotomy guide plate model provided by the utility model can also include: to rotate base
Fiducial axis is axle center, outside central axes in tibial tubercle is rotated 90-180 degree to tibial medial, to form guide plate definition region
Inboard boundary, the guide plate inboard boundary are specially boundary of the guide plate far from tibial tubercle center side.
The construction method of High Tibial Osteotomy guide plate model provided by the utility model can also include: to rotate base
Fiducial axis is axle center, by tibial tubercle outside central axes to tibial medial rotate, with guide plate top interface, the following interface of guide plate,
The outer boundaries of guide plate definition region, the inboard boundary of guide plate definition region surround the face of being formed by as guide plate definition region,
The guide plate definition region is usually curved surface, and is using rotation reference axis as the arc in the center of circle relative to the cross section of rotation reference axis
Line.
The construction method of High Tibial Osteotomy guide plate model provided by the utility model can also include: acquisition guide plate
The point set of definition region, and guide plate primary face point set is further obtained, the guide plate primary face point set is in guide plate definition region
Projection line of each point set on rotation reference axis and shin bone model surface intersection point.The point set of the guide plate definition region is usual
It is uniformly distributed in guide plate definition region, for example, it may be along the point set of the M*N axially and longitudinally acquired respectively, M can be 5-
20, N can be 10-30, and M and N is natural number, and the axial direction of guide plate definition region is usually consistent with rotation reference axis, and guide plate is fixed
The longitudinal direction in adopted region is usually vertical with rotation reference axis.
The construction method of High Tibial Osteotomy guide plate model provided by the utility model can also include: according to guide plate
Primary face point set, fitting obtain guide plate primary face.Suitable method may be selected in those skilled in the art, to point set be fitted with
Corresponding plane or curved surface are formed, in some embodiments of the utility model, is led with the fitting of Bezier curved surface algorithm
Plate primary face.
The construction method of High Tibial Osteotomy guide plate model provided by the utility model can also include: based on described
Guide plate primary face, building obtain guide plate plate body model.The guide plate primary face usually corresponds to the one side of guide plate plate body fitting shin bone,
After obtaining guide plate primary face, the model of guide plate plate body can be constructed by guide plate primary face, for example, can be based on described
Guide plate primary face extends outward, and building obtains guide plate plate body model, and the distance of extension can be 2-5mm, and the distance of extension is logical
The often thickness of corresponding guide plate plate body, usually, the distance that each section extends can be of substantially equal, thus the guide plate plate body formed
Thickness be uniform.
The construction method of High Tibial Osteotomy guide plate model provided by the utility model can also include: in guide plate die
Type outer surface constructs multiple transverse cutting bone guideds hole.The axis in each transverse cutting bone guided hole is typically normal to the shin bone knot
Save the inside and outside plane of symmetry, the following interface 8-20mm of axial line distance guide plate in each transverse cutting bone guided hole, each transverse cutting bone guided
The axis in hole can also be parallel to the following interface of guide plate, the distance at the following interface of axial line distance guide plate in each transverse cutting bone guided hole
It can be equal.The quantity in transverse cutting bone guided hole can be two or more, and transverse cutting bone guided hole usually can be with
For hollow cylindrical body.It may include two transverse cutting bone guided holes, transverse cutting in one specific embodiment of the utility model
Spacing (i.e. the distance between two axially bored lines) between bone guided hole can be 10-20mm, nearest apart from guide plate inboard boundary
Transverse cutting bone guided hole and the spacing (i.e. the minimum distance of the axis in hole and guide plate inboard boundary) of guide plate inboard boundary can be
The aperture of 8-12mm, transverse cutting bone guided hole can be 2-4mm, and the length (i.e. the height of the axis direction in hole) in hole can be 8-
15mm, the thickness of hole wall can be 1-3mm.
The construction method of High Tibial Osteotomy guide plate model provided by the utility model can also include: in guide plate die
Type outer surface constructs multiple rising osteotomy guide holes, and each axis for rising osteotomy guide hole is typically normal to the shin bone knot
The inside and outside plane of symmetry is saved, each axis for rising osteotomy guide hole is generally aligned in the same plane and the plane at place is drawn with lateral osteotomy
The angle of plane where the axis of guide hole is 90-120 degree.The quantity for rising osteotomy guide hole can be two or two
More than, rise the typically hollow cylindrical body of osteotomy guide hole can wrap in one specific embodiment of the utility model
Two rising osteotomy guide holes are included, the spacing (i.e. the distance between two axially bored lines) risen between osteotomy guide hole can be 10-
20mm, the rising osteotomy guide hole nearest apart from guide plate top interface and guide plate top interface spacing (i.e. the axis in hole with lead
The spacing at plate top interface) it can be 8-12mm, the aperture for rising osteotomy guide hole can be 2-4mm, length (the i.e. hole in hole
The height of axis direction) it can be 8-15mm, the thickness of hole wall can be 1-3mm.
On the other hand the utility model provides a kind of preparation method of personalized High Tibial Osteotomy guide plate, the method packet
It includes: the High Tibial Osteotomy guide plate model obtained according to the building of the construction method of the High Tibial Osteotomy guide plate model, system
Standby personalization High Tibial Osteotomy guide plate.The shin obtained according to the building of the construction method of the High Tibial Osteotomy guide plate model
The method that bone osteotomy guide plate model prepares personalized High Tibial Osteotomy guide plate to those skilled in the art should
It is known, for example, can be using the methods of 3D printing, used material can be photosensitive resin etc..
On the other hand the utility model provides a kind of personalized High Tibial Osteotomy guide plate.The personalization High Tibial is cut
Bone conduction plate, which can be, to be obtained or by the construction method building of the High Tibial Osteotomy guide plate model by the personalized shin
The preparation method of bone osteotomy guide plate prepares.
As shown in Figure 1, the utility model provides a kind of Tibial osteotomy guide plate, the Tibial osteotomy guide plate can be individual character
Change Tibial osteotomy guide plate, can also be High Tibial Osteotomy guide plate, the high position is often referred to the region of proximal tibia (top).Institute
Stating personalized High Tibial Osteotomy guide plate includes the guide plate plate body 1 for being bonded tibial medial (high position) surface, is bonded in shin bone
The inside of the usually guide plate plate body 1 of side surface, the inside of guide plate plate body 1 is usually curved surface, the outer surface of the guide plate plate body 1
Multiple transverse cutting bone guideds hole 2 and multiple rising osteotomy guide holes 3 can be equipped with.
In Tibial osteotomy guide plate provided by the utility model, the guide plate plate body 1 usually can be plate in homogeneous thickness
Body, the guide plate plate body 1 usually may include coboundary, lower boundary, inboard boundary and outer boundaries, and coboundary is typically
It curve and can be in the interface of top, lower boundary typically curve and can be in following interface, top
Interface and/or following interface can be a plane, and top interface and following interface can be parallel to each other.Guide plate plate body 1
Height can be 25-50mm, it is corresponding to lower boundary that the height of the guide plate plate body 1 is often referred to the point on guide plate coboundary
The distance between point, for example, it may be the distance between coboundary midpoint and lower boundary midpoint, for another example can be top
One end that boundary is located at inboard boundary is located at the distance between one end of inboard boundary with lower boundary, for another example can be coboundary
It is located at the distance between one end of outer boundaries positioned at one end of outer boundaries and lower boundary.The length of the coboundary of guide plate plate body 1
Degree can be 40-60mm, and the length of the lower boundary of the guide plate plate body can be 45-80mm.The osteotomy guide plate is existed using shin bone
The geometrical characteristic of tibial tubercle inside region is designed, and using above-mentioned size, may further ensure that matching effect in art.
In Tibial osteotomy guide plate provided by the utility model, the quantity in transverse cutting bone guided hole 2 can be two
Or it is more than two, distance of each transverse cutting bone guided hole 2 apart from plane where guide plate plate body lower boundary can be 8-20mm,
Each transverse cutting bone guided hole 2 can be equal at a distance from the plane where 1 lower boundary of guide plate plate body, each transverse cutting bone guided hole 2
Axis can be parallel to each other, the axis in each transverse cutting bone guided hole can also be parallel to the plane where guide plate lower boundary.?
In one specific embodiment of the utility model, including the first transverse cutting bone guided hole 21 and the second transverse cutting bone guided hole 22, institute
The first transverse cutting bone guided hole 21 is stated apart from guide plate plate body inboard boundary 8-12mm, the second transverse cutting bone guided hole 22 is located at
First transverse cutting bone guided hole, 21 outside and distance the first transverse cutting bone guided hole 10-20mm.
In Tibial osteotomy guide plate provided by the utility model, the quantity for rising osteotomy guide hole 3 can be two
Or it is more than two, each axis for rising osteotomy guide hole 3 is parallel to each other and the plane that is parallel to where lower boundary, rises
The angle of plane where the axis of osteotomy guide hole 3 and the plane where the axis in transverse cutting bone guided hole 2 is 90-120 degree.
In one specific embodiment of the utility model, including first rises osteotomy guide hole 31 and the second rising osteotomy guide hole 32,
Distance of the first rising osteotomy guide hole 31 apart from the plane where 1 coboundary of guide plate plate body can be 8-12mm, described
Second rising osteotomy guide hole 32 is located at 31 lower section of the first rising osteotomy guide hole and distance first rises osteotomy guide hole 31
Distance can be 10-20mm.
In Tibial osteotomy guide plate provided by the utility model, each transverse cutting bone guided hole 2 and/or respectively rise osteotomy
Guide hole 3 can be hollow cylindrical body, be highly 8-15mm, internal diameter 2-4mm, hole with a thickness of 1-3mm, with guide plate plate body
It can be 45-90 degree that 1 outer surface, which is formed by angle,.
On the other hand the utility model provides a kind of computer readable storage medium, be stored thereon with computer program, institute
The step of stating the construction method that the High Tibial Osteotomy guide plate model is realized when program is executed by processor or
The step of preparation method of property High Tibial Osteotomy guide plate.
On the other hand the utility model provides a kind of equipment, comprising: processor and memory, the memory is for storing
Computer program, the processor are used to execute the computer program of the memory storage, so that described in equipment execution
High Tibial Osteotomy guide plate model construction method the step of or the personalized High Tibial Osteotomy guide plate preparation side
The step of method.
High Tibial Osteotomy guide plate provided in this article and its design method can be rebuild by patient's preoperative scanning CT
The threedimensional model arrived, after using 3D printing molding, be placed in art tibial medial for instruct doctor carry out lateral osteotomy and
Rise osteotomy, can effectively promote the precision of shin bone (high position) bone-culting operation, have and shorten operating time, reduces doctor and patient
Raying amount and the effect accurately implemented for guaranteeing preoperative planning osteotomy.
Embodiment 1
Basis is constructed using shin bone threedimensional model as coordinate system, wherein tibial plateau selects shin bone flat as axial benchmark
One plane of platform point-cloud fitting, using the normal direction of the plane as the reference direction for defining guide plate up-and-down boundary.Select tibial tubercle
Interior outside axis face is as rotation reference, as shown in Figure 2.Using the inside 30~40mm in tibial tubercle center as rotation axis points, rotation
Turn reference axis to be located in tibial tubercle in the axis face of outside and be fitted face perpendicular to tibial plateau, starting point is the rotation axis points, eventually
Point is tibial tubercle center.Guide plate right boundary is defined with the rotation reference axis, rotates 30 degree of (left side limits respectively to tibial medial
Determine angle) and 95 degree (right side restriction angle), determine guide plate plate body outer boundaries (left border in figure) and inboard boundary (on the right side of in figure
Boundary), as shown in Figure 3.
On the basis of tibial plateau, certain distance is deviated separately down to define guide plate up-and-down boundary.On as shown in figure 4,
The distance range of frontier distance tibial plateau is 25~30mm, and the relative distance of lower boundary and coboundary is 25~40mm.With shin
In bone tubercle on the basis of the axis face of outside, centered on the axis of benchmark rotary shaft point, rotation left side limits angle to define left side
Boundary, rotation to right side limit angle to define right side boundary.In the rectangular area of definition, edge axially and longitudinally samples MXN respectively
Point set, the point concentrate every bit projected on the central axis of benchmark rotary shaft axis point respectively, calculate itself and shin bone mould
The intersection point of type.The intersection point of acquisition is fitted with Bezier curved surface algorithm, obtains primary face.Normal direction along each intersection point is to initial
Face is deviated, and forms the substrate of individualized fit, as shown in Figure 4.
Guide plate osteotomy guide hole totally four as shown in Figure 5, is divided into and rises osteotomy part and transverse cutting bone parts.Wherein AB is fixed
The plane of justice is to rise Osteotomy, rises osteotomy guide hole and is located in the plane, and rises 1 hole of osteotomy apart from guide plate coboundary
8-12mm, rise 2 hole of osteotomy and 1 hole planar at a distance from for 10-20mm.It is lateral Osteotomy, AB plane that BC, which is defined,
Angle with BC plane can be 120 degree, lateral osteotomy plan range guide plate lower boundary 8-20mm.Lateral 2 hole of osteotomy and guide plate
Right margin distance is 8-12mm, and lateral 1 hole of osteotomy and 2 holes are located in transverse cutting bone face, and its distance is 10-20mm.By shin bone
Plane of symmetry normal vector is multiplied with tibial plateau fitting face normal vector inside and outside tubercle can determine shin bone frontal plane, lateral osteotomy surface normal direction
Amount is equal to tibial plateau fitting face normal vector within the scope of shin bone frontal plane normal vector ± 10 °.The height of guide hole be 8~
15mm, internal diameter are 2~4mm, 1~3mm of Kong Houwei.
In conclusion the utility model effectively overcomes various shortcoming in the prior art and has high industrial exploitation value
Value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (8)
1. a kind of High Tibial Osteotomy guide plate, which is characterized in that described including the guide plate plate body for being bonded tibial medial surface
The outer surface of guide plate plate body is equipped with multiple transverse cutting bone guideds hole and multiple rising osteotomy guide holes, guide plate plate body coboundary
The plane at place and plane where lower boundary are parallel to each other, each transverse cutting bone guided hole and each axis for rising osteotomy guide hole
Plane that is parallel to each other and being parallel to where lower boundary and/or coboundary, transverse cutting bone guided hole is apart from guide plate plate body lower boundary
The distance of place plane is 8-20mm, and each transverse cutting bone guided hole is equidistant with plane where guide plate plate body lower boundary, on
The angle for rising plane and the plane where the axis in transverse cutting bone guided hole where the axis of osteotomy guide hole is 90-120 degree.
2. High Tibial Osteotomy guide plate as described in claim 1, which is characterized in that the height of the guide plate plate body is 25-
50mm。
3. High Tibial Osteotomy guide plate as described in claim 1, which is characterized in that guide plate plate body coboundary is curve,
The length of coboundary is 40-60mm.
4. High Tibial Osteotomy guide plate as described in claim 1, which is characterized in that the guide plate plate body lower boundary is curve,
The length of lower boundary is 45-80mm.
5. High Tibial Osteotomy guide plate as described in claim 1, which is characterized in that rise osteotomy guide hole and the including first
Two rise osteotomy guide hole, and distance of the first rising osteotomy guide hole apart from plane where guide plate plate body coboundary is 8-
12mm, described second, which rises osteotomy guide hole, is located at the first rising osteotomy guide hole lower section and the rising osteotomy guidance of distance first
Hole 10-20mm.
6. High Tibial Osteotomy guide plate as described in claim 1, which is characterized in that including the first transverse cutting bone guided hole and
Two transverse cutting bone guided holes, the first transverse cutting bone guided hole are horizontal apart from guide plate plate body inboard boundary 8-12mm, described second
It is located at the first transverse cutting bone guided hole outside and distance the first transverse cutting bone guided hole 10-20mm to osteotomy guide hole.
7. High Tibial Osteotomy guide plate as described in claim 1, which is characterized in that each transverse cutting bone guided hole is hollow
Cylindrical body, be highly 8-15mm, internal diameter 2-4mm, hole with a thickness of 1-3mm, be formed by with the outer surface of guide plate plate body
Angle is 45-90 degree.
8. High Tibial Osteotomy guide plate as described in claim 1, which is characterized in that each rising osteotomy guide hole is hollow
Cylindrical body, be highly 8-15mm, internal diameter 2-4mm, hole with a thickness of 1-3mm, be formed by with the outer surface of guide plate plate body
Angle is 45-90 degree.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821355783.5U CN209004112U (en) | 2018-08-22 | 2018-08-22 | A kind of High Tibial Osteotomy guide plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821355783.5U CN209004112U (en) | 2018-08-22 | 2018-08-22 | A kind of High Tibial Osteotomy guide plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111714184A (en) * | 2020-06-29 | 2020-09-29 | 中国人民解放军总医院 | A cut bone double guide plate system for high-order osteotomy of shin bone |
-
2018
- 2018-08-22 CN CN201821355783.5U patent/CN209004112U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111714184A (en) * | 2020-06-29 | 2020-09-29 | 中国人民解放军总医院 | A cut bone double guide plate system for high-order osteotomy of shin bone |
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