CN107874809A - The determination method of ankle-joint bone-culting operation guider and ankle-joint osteotomy site - Google Patents
The determination method of ankle-joint bone-culting operation guider and ankle-joint osteotomy site Download PDFInfo
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- CN107874809A CN107874809A CN201711128378.XA CN201711128378A CN107874809A CN 107874809 A CN107874809 A CN 107874809A CN 201711128378 A CN201711128378 A CN 201711128378A CN 107874809 A CN107874809 A CN 107874809A
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- hole
- plate
- ankle
- bone
- osteotomy
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1703—Guides or aligning means for drills, mills, pins or wires using imaging means, e.g. by X-rays
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1732—Guides or aligning means for drills, mills, pins or wires for bone breaking devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
- A61B17/1775—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the foot or ankle
Abstract
The invention provides a kind of determination method of ankle-joint bone-culting operation guider and ankle-joint osteotomy site.Wherein, ankle-joint bone-culting operation guider includes：Pedestal, locating rack, location structure, plate and osteotomy template.Technical scheme, which can efficiently solve osteotomy location difficulty in the prior art, causes the problem of operating difficulty is big, time-consuming.
Description
Technical field
The present invention relates to field of surgical, is closed in particular to a kind of ankle-joint bone-culting operation guider and ankle
Save the determination method of osteotomy site.
Background technology
Joint replacement is a kind of medical therapy in the autologous joint that pain and loss of function are replaced with artificial joint.Mesh
Before have been widely used the joints such as hip, knee.But because ankle joint structure is complicated, the heavy burden and movement needs to joint are high, manually
Ankle-joint displacement technique effect is not ideal enough always, turns into ankle surgeon's urgent problem to be solved.
Requirement of the artificial ankle joint prosthetic replacement to operative doctor is high, (covers pair without deep ankle surgery basis
The biomethanics of ankle, anatomy, Surgical technique etc.) can not correctly it install, the hospital of the operation can be carried out
All phoenix feathers and unicorn horns in the world.
For conventional manual's ankle prosthesis replacement operation, Intraoperative position it is the most difficult with it is complicated, it is often necessary to specially
On the ankle external fixing rack of door, then adjusted repeatedly under C-arm X-ray equipment to complete location of operation, an operation usually needs
The adjustment repeatedly of up to a hundred times is wanted, accurate ankle and guide pin position could be realized, performed the operation after more than 3 hours.
The content of the invention
The present invention is intended to provide a kind of determination method of ankle-joint bone-culting operation guider and ankle-joint osteotomy site, with
Solve the problems, such as that osteotomy location difficulty causes that operating difficulty is big, time-consuming in the prior art.
To achieve these goals, according to an aspect of the invention, there is provided a kind of ankle-joint bone-culting operation is oriented to dress
Put, including：Pedestal, there is shin bone mating surface and joint face, be provided with the first location division on joint face, first is provided with pedestal
Fixing hole；Locating rack, has central frame body and the first registration arm from central frame body to both sides and the second registration arm that extend from, and first
The second fixing hole is provided with registration arm, the 3rd fixing hole is provided with the second registration arm, is provided with central frame body and first
The second location division that location division coordinates；Location structure, coordinate with locating rack, the axle of shin bone is determined by locating rack and location structure
Line, and axostylus axostyle is worn in shin bone along the axis direction of shin bone；Plate, removably grafting coordinates with central frame body, and inserts
The direction of insertion of plate and the diameter parallel of shin bone, surface of the plate away from pedestal are provided with the positioning of the axis parallel to shin bone
Groove；Osteotomy template, osteotomy template are overlapped on side of the plate away from pedestal, and location-plate, the 4th fixation are provided with osteotomy template
Hole, alignment grooves and osteotomy groove, location-plate coordinate with locating slot, and osteotomy template is in and treats osteotomy when alignment grooves are relative with axostylus axostyle position
Position.
Further, the end set of the first registration arm has first through hole, and the end set of the second registration arm has second to lead to
The axis of hole, first through hole and the second through hole each parallel to shin bone axis, location structure include the first locating fork, first positioning
Pin and it is located in the first locating fork, the bottom plate of the equal grafting of the first pilot pin, the first locating fork in first through hole, the first positioning
Pin is located in the second through hole, and the first positioning hole is provided with bottom plate, and axostylus axostyle is located in shin bone by the first positioning hole.
Further, at least one positioning plane is provided with the side wall of the first locating fork, is provided with bottom plate for wearing
If the first jack of the first locating fork, the spacing plane coordinated with positioning plane is provided with the hole wall of the first jack, on bottom plate
It is additionally provided with the second jack for wearing the first pilot pin.
Further, third through-hole is provided with central frame body, locating rack also includes standing with the extension that central frame body coordinates
Plate, extend and fourth hole is provided with riser, the axis of third through-hole and fourth hole is each parallel to the axis of shin bone, positioning knot
Structure also includes the second locating fork and the second pilot pin, and the second locating fork is located in third through-hole, and the second pilot pin is located in
In four through holes.
Further, the end set of plate has stopper section, and stopper section backstop is in the side of central frame body.
Further, the first location division includes spaced multiple second positioning holes, the second location division include with it is multiple
Second positioning hole corresponds the multiple locating dowels set.
Further, the axis of the first fixing hole and the axis of pedestal angle at an acute angle, the second fixing hole and central frame body
Axis angle at an acute angle.
Further, the avoid holes extended along its length are additionally provided with plate.
Further, osteotomy template is the different more sets of size.
According to another aspect of the present invention, there is provided a kind of ankle-joint bone-culting operation method for determining position, by above-mentioned
Ankle-joint bone-culting operation guider realize that the method for determination includes：Pedestal, locating rack are obtained according to the CT data of patient and are inserted
Plate；Pedestal will be connected to the precalculated position of shin bone by the first fixing hole；Coordinated by the first location division and the second location division
Locating rack is arranged on pedestal, locating rack is connected on shin bone by the second fixing hole and the 3rd fixing hole；Pass through positioning
Structure coordinates with locating rack and X-ray equipment determines the axis of shin bone, and axostylus axostyle is worn in shin bone along the axis direction of shin bone；
Plate is inserted in the central frame body of locating rack, the direction of insertion of plate and the diameter parallel of shin bone；Osteotomy template is overlapped on
Side of the plate away from pedestal, and make location-plate be inserted into locating slot, osteotomy template is moved along locating slot so that alignment grooves with
Axostylus axostyle position is relative, fixes osteotomy template position by the 4th fixing hole, and position corresponding to the osteotomy groove of osteotomy template is to treat
Osteotomy site.
Apply the technical scheme of the present invention, dissected based on subjects bones and customize design, obtained according to the CT data of patient
The concrete structure of pedestal, locating rack and plate, to ensure to realize positioning by their cooperation.Specifically, will consolidate by first
Determine the precalculated position that pedestal is connected to shin bone by hole.Coordinated by the first location division and the second location division and locating rack is arranged on base
On seat, locating rack is connected on shin bone by the second fixing hole and the 3rd fixing hole.Coordinated by location structure and locating rack
And X-ray equipment determines the axis of shin bone, and axostylus axostyle is worn in shin bone along the axis direction of shin bone.Plate is inserted into locating rack
Central frame body in, the direction of insertion of plate and the diameter parallel of shin bone.Osteotomy template is overlapped on one of plate away from pedestal
Side, and location-plate is inserted into locating slot, osteotomy template is moved along locating slot, so that alignment grooves are relative with axostylus axostyle position, is led to
Crossing the 4th fixing hole fixes osteotomy template position, and position corresponding to the osteotomy groove of osteotomy template is to treat osteotomy site.Pass through profit
With the guider of the present embodiment, without adjusting repeatedly, it is only necessary to carry out one twice X-ray equipment confirm.It can so solve
Certainly the problem of osteotomy location difficulty, it is possible to increase operative speed and quality.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 show according to the present invention ankle-joint bone-culting operation guider embodiment in addition to osteotomy template
Structural representation；
Fig. 2 shows the partial schematic diagram of Fig. 1 ankle-joint bone-culting operation guider；
Fig. 3 shows the structural representation of the locating rack of Fig. 1 ankle-joint bone-culting operation guider, plate and bottom plate；
Fig. 4 shows the schematic side view of Fig. 3 locating rack, plate and bottom plate；
Fig. 5 shows the schematic top plan view of Fig. 3 locating rack, plate and bottom plate；
Fig. 6 shows the fit structure schematic diagram of Fig. 3 locating rack, plate and osteotomy template；
Fig. 7 shows the structural representation of another angle of Fig. 6 locating rack, plate and osteotomy template；
Fig. 8 shows the structural representation of Fig. 6 locating rack；
Fig. 9 shows another angled arrangement schematic diagram of Fig. 8 locating rack；
Figure 10 shows the structural representation of the pedestal of Fig. 1 ankle-joint bone-culting operation guider；And
Figure 11 shows the structural representation of Fig. 6 plate.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
1st, shin bone；10th, pedestal；11st, the first location division；12nd, the first fixing hole；20th, locating rack；21st, central frame body；211、
Second location division；212nd, third through-hole；22nd, the first registration arm；221st, the second fixing hole；222nd, first through hole；23rd, the second positioning
Arm；231st, the 3rd fixing hole；232nd, the second through hole；24th, riser is extended；241st, fourth hole；30th, axostylus axostyle；40th, plate；41st, it is fixed
Position groove；42nd, stopper section；43rd, avoid holes；50th, osteotomy template；51st, location-plate；52nd, the 4th fixing hole；53rd, alignment grooves；54th, cut
Bone groove；61st, the first locating fork；611st, plane is positioned；62nd, the first pilot pin；63rd, bottom plate；631st, the first positioning hole；632nd, first
Jack；633rd, the second jack；64th, the second locating fork；65th, the second pilot pin；71st, fixing glue.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Do not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for the ease of description, each portion shown in accompanying drawing
The size divided not is to be drawn according to the proportionate relationship of reality.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as authorizing explanation
A part for book.In shown here and discussion all examples, any occurrence should be construed as merely exemplary, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms is represented in following accompanying drawing with letter, therefore, once it is defined in a certain Xiang Yi accompanying drawing, then subsequent attached
It need not be further discussed in figure.
As shown in Figure 1, Figure 2 with shown in Fig. 6, the ankle-joint bone-culting operation guider of the present embodiment includes：Pedestal 10, locating rack
20th, plate 40 and osteotomy template 50.Wherein, pedestal 10 has shin bone mating surface and joint face, and first is provided with joint face
Location division 11, the first fixing hole 12 is provided with pedestal 10.Locating rack 20 has central frame body 21 and from central frame body 21 to two
The first registration arm 22 and the second registration arm 23 of side extension, the second fixing hole 221, the second positioning are provided with the first registration arm 22
The 3rd fixing hole 231 is provided with arm 23, the second location division coordinated with the first location division 11 is provided with central frame body 21
211.Location structure coordinates with locating rack 20, determines the axis of shin bone 1 by locating rack 20 and location structure, and along the axle of shin bone
Line direction wears axostylus axostyle 30 in shin bone.Removably grafting coordinates plate 40 with central frame body 21, and the insertion of plate 40
Direction and the diameter parallel of shin bone 1, surface of the plate 40 away from pedestal 10 is provided with the locating slot 41 parallel to the axis of shin bone.
Osteotomy template 50 is overlapped on side of the plate 40 away from pedestal 10, and location-plate 51, the 4th fixing hole are provided with osteotomy template 50
52nd, alignment grooves 53 and osteotomy groove 54, location-plate 51 coordinate with locating slot 41, osteotomy mould when alignment grooves 53 are relative with the position of axostylus axostyle 30
Plate 50 is in and treats osteotomy site.
Using the technical scheme of the present embodiment, dissected based on subjects bones and customize design, can be designed that pedestal 10, determine
The concrete structure of position frame 20 and plate 40, it is final to determine to cut in osteotomy template 50 to ensure to realize positioning by their cooperation
The accurate location of bone groove 54, distal tibial osteotomy is realized, bone preparation is carried out for the implantation of prosthese.Specifically, according to patient's
CT data are rebuild horizontal where obtaining shin bone 1 and finding the anatomical axis (i.e. the position of axostylus axostyle 30) of shin bone 1, anatomical axis by 3D
To plane (i.e. the first locating fork 61, the first pilot pin 62 axis where plane) with anatomical axis where fore-and-aft plane (i.e. second
Locating fork 64, the second pilot pin 65 axis where plane) and ankle-joint median plane (the i.e. median plane of locating slot 41, in this
Heart face and the central axis of shin bone 1), after osteotomy template 50 is embedded in locating slot 41, it may be determined that the position of osteotomy template 50
Put, so as to realize the positioning of osteotomy groove 54, be finally completed osteotomy.
After 1 anatomical data of shin bone is obtained, pedestal 10 is obtained by Inverse seeking design, pedestal 10 will be located at distal tibial bone
Pedestal 10 will be connected to the precalculated position of shin bone 1 by surface, pedestal 10 by the first fixing hole 12.Pass through the He of the first location division 11
Second location division 211, which coordinates, is arranged on locating rack 20 on pedestal 10, will by the second fixing hole 221 and the 3rd fixing hole 231
Locating rack 20 is connected on shin bone 1, and the second location division 211 is ledge structure, and it is fixed can to limit the second location division 211 insertion first
The depth in position portion 11, so that it is determined that height of the locating rack 20 relative to tibial axis.The operation is complicated, therefore conventionally by being used in art
C-arm X-ray machine carries out x-ray fluoroscopy and carrys out auxiliary positioning.Although having used the design pattern customized in the present invention, to ensure hand
Art is smoothly implemented, also with C-arm X-ray machine carry out location confirmation, with ensure the first locating fork 61, the first pilot pin 62 axle
Plane where line and the axis place plane of the second locating fork 64, the second pilot pin 65 intersect at the central shaft of shin bone 1, i.e. axostylus axostyle
30 positions.That is, observed by X-ray equipment, if the first pilot pin 62 is overlapping with the central shaft of axostylus axostyle 30, and
And the projection of two is simultaneously between two of the first locating fork 61 forks (state as shown in Figure 4), now the first locating fork
61st, the first pilot pin 62 and axostylus axostyle 30 are coplanar；After X-ray equipment is rotated by 90 °, project again, if the second pilot pin 65 and axostylus axostyle 30
Central shaft it is overlapping, and the projection of two is simultaneously between two of the second locating fork 64 forks, now the second locating fork 64,
Second pilot pin 65 and axostylus axostyle 30 are coplanar.
In art, coordinated by location structure and locating rack 20, it may be determined that the position of bottom plate 63, the central part of bottom plate 63 have
One through hole, axostylus axostyle 30 will insert from this through hole, and run through shin bone 1, and the irradiation of C-arm X-ray equipment is to ensure the first locating fork 61, the
The axis place plane of plane where the axis of one pilot pin 62 and the second locating fork 64, the second pilot pin 65 intersects at shin bone 1
Anatomical axis, i.e. the position of axostylus axostyle 30.Plate 40 is inserted in the central frame body 21 of locating rack 20, the direction of insertion of plate 40
With the diameter parallel of shin bone 1.Osteotomy template 50 is overlapped on side of the plate 40 away from pedestal 10, and is inserted into location-plate 51
In locating slot 41, osteotomy template 50 is moved along locating slot 41, so that alignment grooves 53 are relative with the position of axostylus axostyle 30, is fixed by the 4th
Hole 52 fixes the position of osteotomy template 50, and position corresponding to the osteotomy groove 54 of osteotomy template 50 is to treat osteotomy site.By using
The guider of the present embodiment, without adjusting repeatedly, it is only necessary to carry out an X-ray equipment confirmation twice.Can so solve
The problem of osteotomy location difficulty, it is possible to increase operative speed and quality.
It should be noted that：The shin bone mating surface of pedestal 10 is that the skeletal form based on patient is designed, it is possible to achieve
It is bonded with the perfection of bone pattern.X-ray equipment preferably uses C-arm X-ray machine, and it can realize the X of different directions angle in art
Light transmission.Ankle-joint bone-culting operation guider also includes the fixing glue 71 being located in the first fixing hole 12, can be by solid
Surely 71 fixed pedestals 10 are followed closely.
As shown in Fig. 2 to Fig. 9, the end set of the first registration arm 22 has first through hole 222, the end of the second registration arm 23
It is provided with the second through hole 232.The position of the through hole 232 of first through hole 222 and second obtains according to the CT data of patient.First through hole
222 and second through hole 232 axis each parallel to shin bone 1 axis, location structure include the first locating fork 61, the first pilot pin
62 and it is located in first through hole 222 with the first locating fork 61, the bottom plate 63 of 62 equal grafting of the first pilot pin, the first locating fork 61
Interior, the first pilot pin 62 is located in the second through hole 232, and the first positioning hole 631 is provided with bottom plate 63, and axostylus axostyle 30 passes through first
Positioning hole 631 is located in shin bone 1.First locating fork 61 of being projected in of the first pilot pin 62 is can confirm that by X-ray equipment
Between two forks (state as shown in Figure 4), the lateral attitude of axostylus axostyle 30 is now able to confirm that.
In order to facilitate the installation of bottom plate 63, in the present embodiment, as shown in Figure 1, Figure 2 to shown in Fig. 4, the side of the first locating fork 61
At least one positioning plane 611 is provided with wall, the first jack for wearing the first locating fork 61 is provided with bottom plate 63
632, the spacing plane coordinated with positioning plane 611 is provided with the hole wall of the first jack 632, is additionally provided with and is used on bottom plate 63
Wear the second jack 633 of the first pilot pin 62.
As shown in figure 1, in the present embodiment, be provided with third through-hole 212 in central frame body 21, locating rack 20 also include with
The extension riser 24 that central frame body 21 coordinates, extend and be provided with fourth hole 241 on riser 24.Third through-hole 212 and four-way
The position in hole 241 obtains according to the CT data of patient.The axis of third through-hole 212 and fourth hole 241 is each parallel to shin bone
Axis, location structure also include the second locating fork 64 and the second pilot pin 65, and the second locating fork 64 is located in third through-hole 212
Interior, the second pilot pin 65 is located in fourth hole 241.Is projected in by what X-ray equipment can confirm that the second pilot pin 65
Between two forks of two locating forks 64, the lengthwise position of axostylus axostyle 30 is now able to confirm that.
In order to further be easy to the positioning of plate 40, as shown in figure 11, the end set of plate 40 has stopper section 42, backstop
The backstop of portion 42 is in the side of central frame body 21.
As shown in Figure 10, the first location division 11 includes spaced multiple second positioning holes, and the second location division 211 includes
The multiple locating dowels set are corresponded with multiple second positioning holes.
In order that fixation is more firm, the axis of the first fixing hole 12 and the axis angle at an acute angle of pedestal 10, second is solid
Determine the axis angle at an acute angle in hole 221 and central frame body 21.
In order to facilitate the contraposition (by being also required to confirm by X-ray equipment) of osteotomy template 50 and axostylus axostyle 30, on plate 40
It is additionally provided with the avoid holes 43 extended along its length.In addition, after the location confirmation of osteotomy template 50, grasped in order to facilitate osteotomy
Make, plate 40 can be disassembled from locating rack 20.
In order to preferably adapt to different patients, osteotomy template 50 is the different more sets of size, from can as low as set greatly
Seven sets.
According to another aspect of the present invention, a kind of ankle-joint bone-culting operation method for determining position is additionally provided.By upper
The ankle-joint bone-culting operation guider stated realizes that the method for determination comprises the following steps：
Pedestal 10, locating rack 20 and plate 40 are obtained according to the CT data of patient；Will be by the first fixing hole 12 by pedestal
10 are connected to the precalculated position of shin bone 1；Coordinated by the first location division 11 and the second location division 211 and locating rack 20 is arranged on base
On seat 10, locating rack 20 is connected on shin bone 1 by the second fixing hole 221 and the 3rd fixing hole 231；By location structure with
Locating rack 20 coordinates and X-ray equipment determines the axis of shin bone 1, and axostylus axostyle 30 is worn in shin bone along the axis direction of shin bone；
Plate 40 is inserted in the central frame body 21 of locating rack 20, the direction of insertion of plate 40 and the diameter parallel of shin bone 1；By osteotomy mould
Plate 50 is overlapped on side of the plate 40 away from pedestal 10, and location-plate 51 is inserted into locating slot 41, is moved along locating slot 41
Osteotomy template 50, so that alignment grooves 53 are relative with the position of axostylus axostyle 30, fix the position of osteotomy template 50 by the 4th fixing hole 52,
Position corresponding to the osteotomy groove 54 of osteotomy template 50 is to treat osteotomy site.
In the description of the invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical,
Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on orientation or position shown in the drawings and closed
System, it is for only for ease of the description present invention and simplifies description, in the case where not making opposite explanation, these nouns of locality do not indicate that
There must be specific orientation with the device or element for implying meaning or with specific azimuth configuration and operation, therefore can not manage
Solve as limiting the scope of the invention；The noun of locality " inside and outside " refers to relative to inside and outside each part profile in itself.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Furthermore, it is necessary to explanation, limits parts, it is only for be easy to using the word such as " first ", " second "
Corresponding parts to be distinguished, do not have Stated otherwise such as, above-mentioned word does not have particular meaning, therefore it is not intended that to this
The limitation of invention protection domain.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. ankle-joint bone-culting operation guider, it is characterised in that including：Pedestal (10), there is shin bone mating surface and joint face, the first location division (11), the pedestal are provided with the joint face (10) the first fixing hole (12) is provided with；Locating rack (20), there is central frame body (21) and the first registration arm (22) extended from the central frame body (21) to both sides With the second registration arm (23), the second fixing hole (221), second registration arm (23) are provided with first registration arm (22) On be provided with the 3rd fixing hole (231), the coordinated with first location division (11) is provided with the central frame body (21) Two location divisions (211)；Location structure, coordinate with the locating rack (20), shin bone (1) is determined by the locating rack (20) and the location structure Axis, and axostylus axostyle (30) is worn in shin bone along the axis direction of the shin bone；Plate (40), with the central frame body (21) removably grafting coordinate, and the direction of insertion of the plate (40) with The diameter parallel of the shin bone (1), surface of the plate (40) away from the pedestal (10) are provided with parallel to the shin bone Axis locating slot (41)；Osteotomy template (50), the osteotomy template (50) are overlapped on side of the plate (40) away from the pedestal (10), institute State and location-plate (51), the 4th fixing hole (52), alignment grooves (53) and osteotomy groove (54) are provided with osteotomy template (50), it is described fixed Position plate (51) coordinates with the locating slot (41), the osteotomy mould when alignment grooves (53) are relative with the axostylus axostyle (30) position Plate (50) is in and treats osteotomy site.
- 2. ankle-joint bone-culting operation guider according to claim 1, it is characterised in that first registration arm (22) End set have a first through hole (222), the end set of second registration arm (23) has the second through hole (232), described The axis of one through hole (222) and second through hole (232) is each parallel to the axis of the shin bone (1), the location structure bag Include the first locating fork (61), the first pilot pin (62) and with first locating fork (61), the first pilot pin (62) equal grafting Bottom plate (63), first locating fork (61) is located in the first through hole (222), and first pilot pin (62) wears In second through hole (232), the first positioning hole (631) is provided with the bottom plate (63), the axostylus axostyle (30) passes through institute The first positioning hole (631) is stated to be located in the shin bone (1).
- 3. ankle-joint bone-culting operation guider according to claim 2, it is characterised in that first locating fork (61) Side wall on be provided with least one positioning plane (611), be provided with the bottom plate (63) for wearing first positioning First jack (632) of (61) is pitched, is provided with the hole wall of first jack (632) and coordinates with the positioning plane (611) Spacing plane, the second jack (633) for wearing first pilot pin (62) is additionally provided with the bottom plate (63).
- 4. ankle-joint bone-culting operation guider according to claim 1, it is characterised in that on the central frame body (21) Third through-hole (212) is provided with, the locating rack (20) also includes the extension riser (24) coordinated with the central frame body (21), It is provided with fourth hole (241) on extension riser (24), the third through-hole (212) and the fourth hole (241) For axis each parallel to the axis of the shin bone, the location structure also includes the second locating fork (64) and the second pilot pin (65), Second locating fork (64) is located in the third through-hole (212), and second pilot pin (65) is located in the described 4th In through hole (241).
- 5. ankle-joint bone-culting operation guider according to claim 1, it is characterised in that the end of the plate (40) Stopper section (42) is provided with, stopper section (42) backstop is in the side of the central frame body (21).
- 6. ankle-joint bone-culting operation guider according to claim 1, it is characterised in that first location division (11) Including spaced multiple second positioning holes, second location division (211) is included with multiple second positioning holes one by one The multiple locating dowels being correspondingly arranged.
- 7. ankle-joint bone-culting operation guider according to claim 1, it is characterised in that first fixing hole (12) Axis and the pedestal (10) axis angle at an acute angle, second fixing hole (221) and the central frame body (21) Axis angle at an acute angle.
- 8. ankle-joint bone-culting operation guider according to claim 1, it is characterised in that also set on the plate (40) It is equipped with the avoid holes (43) extended along its length.
- 9. ankle-joint bone-culting operation guider according to claim 1, it is characterised in that the osteotomy template (50) is The different more sets of size.
- A kind of 10. determination method of ankle-joint osteotomy site, it is characterised in that by any one of claim 1 to 9 Ankle-joint bone-culting operation guider realizes that the determination method includes：Pedestal (10), locating rack (20) and plate (40) are obtained according to the CT data of patient；The pedestal (10) will be connected to the precalculated position of shin bone (1) by the first fixing hole (12)；Coordinated by the first location division (11) and the second location division (211) and the locating rack (20) is arranged on the pedestal (10) On, the locating rack (20) is connected on the shin bone (1) by the second fixing hole (221) and the 3rd fixing hole (231)；Coordinated by location structure and the locating rack (20) and X-ray equipment determines the axis of the shin bone (1), and along described The axis direction of shin bone wears axostylus axostyle (30) in shin bone；The central frame body (21) of plate (40) insertion locating rack (20) is interior, direction of insertion and the shin bone of the plate (40) (1) diameter parallel；Osteotomy template (50) is overlapped on side of the plate (40) away from the pedestal (10), and inserts location-plate (51) To in locating slot (41), along the mobile osteotomy template (50) of the locating slot (41) so that the alignment grooves (53) with it is described Axostylus axostyle (30) position is relative, fixes osteotomy template (50) position by the 4th fixing hole (52), the osteotomy template (50) position corresponding to osteotomy groove (54) is to treat osteotomy site.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711128378.XA CN107874809B (en) | 2017-11-14 | 2017-11-14 | Ankle osteotomy guiding device and method for determining ankle osteotomy position |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711128378.XA CN107874809B (en) | 2017-11-14 | 2017-11-14 | Ankle osteotomy guiding device and method for determining ankle osteotomy position |
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| CN107874809A true CN107874809A (en) | 2018-04-06 |
| CN107874809B CN107874809B (en) | 2020-08-04 |
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| CN107874809B (en) | 2020-08-04 |
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