CN208989034U - Ankle-joint bone-culting operation guiding device - Google Patents
Ankle-joint bone-culting operation guiding device Download PDFInfo
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- CN208989034U CN208989034U CN201721521479.9U CN201721521479U CN208989034U CN 208989034 U CN208989034 U CN 208989034U CN 201721521479 U CN201721521479 U CN 201721521479U CN 208989034 U CN208989034 U CN 208989034U
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Abstract
The utility model provides a kind of ankle-joint bone-culting operation guiding device, comprising: pedestal, locating rack, location structure, plate and osteotomy template.The technical solution of the utility model, which can efficiently solve osteotomy location difficulty in the prior art, leads to the problem of operating difficulty is big, time-consuming.
Description
Technical field
The utility model relates to field of surgical, in particular to a kind of ankle-joint bone-culting operation guiding device.
Background technique
Joint replacement is a kind of medical therapy that the self joint of pain and loss of function is replaced with artificial joint.Mesh
Before have been widely used the joints such as hip, knee.But it is high to the weight bearing and movement needs in joint because of ankle joint structure complexity, manually
Ankle-joint displacement technique effect is not ideal enough always, becomes ankle surgeon's urgent problem to be solved.
Requirement of the artificial ankle joint prosthetic replacement to operative doctor is high, and not deep ankle surgery basis (is covered pair
The biomethanics of ankle, anatomy, Surgical technique etc.) it can not correctly 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 for wanting up to a hundred times is just able to achieve accurate ankle and guide pin position, performs the operation after 3 hours or more.
Utility model content
The utility model is intended to provide a kind of ankle-joint bone-culting operation guiding device, is positioned with solving osteotomy in the prior art
Difficulty leads to the problem of operating difficulty is big, time-consuming.
To achieve the goals above, one aspect according to the present utility model provides a kind of ankle-joint bone-culting operation and leads
To device, comprising: pedestal has shin bone mating surface and joint face, is provided with the first positioning region on joint face, is provided on pedestal
First fixation hole；Locating rack, the first registration arm and the second registration arm that there is central frame body and extend from central frame body to two sides,
Be provided with the second fixation hole in first registration arm, third fixation hole be provided in the second registration arm, be provided in central frame body with
Second positioning region of the first positioning region cooperation；Location structure cooperates with locating rack, determines shin bone by locating rack and location structure
Axis, and shaft is worn in shin bone along the axis direction of shin bone；Plate, it is removably mating with central frame body, and
And the direction of insertion of plate is parallel with the axis of shin bone, determining for the axis for being parallel to shin bone is arranged far from the surface of pedestal for plate
Position slot；Osteotomy template, osteotomy template are overlapped on side of the plate far from pedestal, and positioning plate, the 4th solid is provided in osteotomy template
Determine hole, alignment grooves and osteotomy slot, positioning plate and locating slot cooperate, and osteotomy template is in wait cut when alignment grooves are opposite with shaft position
The position of bone is set.
Further, the end of the first registration arm is provided with first through hole, and it is logical that the end of the second registration arm is provided with second
For the axis of hole, first through hole and the second through-hole each parallel to the axis of shin bone, location structure includes the first locating fork, the first positioning
Needle and bottom plate with the first locating fork, the equal grafting of the first pilot pin, the first locating fork are threaded through in first through hole, the first positioning
Needle is threaded through in the second through-hole, and first positioning hole is provided on bottom plate, and shaft is threaded through in shin bone by first positioning hole.
Further, it is provided at least one positioning plane on the side wall of the first locating fork, is provided on bottom plate for wearing
If the first jack of the first locating fork, the limit plane with positioning plane cooperation is provided on 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 in central frame body, locating rack further includes vertical with the extension of central frame body cooperation
Plate extends and is provided with fourth hole on vertical plate, axis of the axis of third through-hole and fourth hole each parallel to shin bone, positioning knot
Structure further includes the second locating fork and the second pilot pin, and the second locating fork is threaded through in third through-hole, and the second pilot pin is threaded through
In four through-holes.
Further, the end of plate is provided with stopper section, and stopper section backstop is in the side of central frame body.
Further, the first positioning region includes spaced multiple second location holes, the second positioning region include with it is multiple
Multiple positioning columns that second location hole is arranged in a one-to-one correspondence.
Further, the axis of the first fixation hole and the axis of pedestal angle at an acute angle, the second fixation hole and central frame body
Axis angle at an acute angle.
Further, the avoid holes extended along its length are additionally provided on plate.
Further, osteotomy template is the different more sets of size.
Another aspect according to the present utility model provides a kind of ankle-joint bone-culting operation method for determining position, passes through
Above-mentioned ankle-joint bone-culting operation guiding device realizes that the method for determination includes: to obtain pedestal, locating rack according to the CT data of patient
And plate；Pedestal will be connected to the predetermined position of shin bone by the first fixation hole；Pass through the first positioning region and the second positioning region
Locating rack on the base, is connected on shin bone by cooperation by locating rack setting by the second fixation hole and third fixation hole；Pass through
Location structure and locating rack cooperate and X-ray equipment determines the axis of shin bone, and wears in shin bone along the axis direction of shin bone
Shaft；By in the central frame body of plate insertion locating rack, the direction of insertion of plate and the axis of shin bone are parallel；Osteotomy template is taken
The side in plate far from pedestal is connect, and is inserted into positioning plate in locating slot, moves osteotomy template along locating slot, so that contraposition
Slot is opposite with shaft position, fixes osteotomy template position by the 4th fixation hole, the corresponding position of osteotomy slot of osteotomy template
For to osteotomy site.
Using the technical solution of the utility model, is dissected based on subjects bones and customize design, according to the CT data of patient
The specific structure of pedestal, locating rack and plate is obtained, to guarantee to realize positioning by their cooperation.Specifically, will be passed through
Pedestal is connected to the predetermined position of shin bone by one fixation hole.Locating rack is arranged by the first positioning region and the cooperation of the second positioning region
On the base, locating rack is connected on shin bone by the second fixation hole and third fixation hole.Pass through location structure and locating rack
Cooperation and X-ray equipment determine the axis of shin bone, and shaft is worn in shin bone along the axis direction of shin bone.Plate insertion is fixed
In the central frame body of position frame, the direction of insertion of plate and the axis of shin bone are parallel.Osteotomy template is overlapped on plate far from pedestal
Side, and be inserted into positioning plate in locating slot, osteotomy template moved along locating slot, so that alignment grooves and shaft position phase
It is right, fix osteotomy template position by the 4th fixation hole, the corresponding position of osteotomy slot of osteotomy template is to osteotomy site.It is logical
The guiding device using the present embodiment is crossed, without adjusting repeatedly, it is only necessary to carry out an X-ray equipment confirmation twice.In this way may be used
To solve the problems, such as osteotomy location difficulty, operative speed and quality can be improved.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 show the embodiment of ankle-joint bone-culting operation guiding device according to the present utility model in addition to osteotomy template
Structural schematic diagram in addition；
Fig. 2 shows the partial schematic diagrams of the ankle-joint bone-culting operation guiding device of Fig. 1；
Fig. 3 shows the structural schematic diagram of the locating rack of the ankle-joint bone-culting operation guiding device of Fig. 1, plate and bottom plate；
Fig. 4 shows the schematic side view of the locating rack of Fig. 3, plate and bottom plate；
Fig. 5 shows the schematic top plan view of the locating rack of Fig. 3, plate and bottom plate；
Fig. 6 shows the fit structure schematic diagram of the locating rack of Fig. 3, plate and osteotomy template；
Fig. 7 shows the structural schematic diagram of another angle of the locating rack of Fig. 6, plate and osteotomy template；
Fig. 8 shows the structural schematic diagram of the locating rack of Fig. 6；
Fig. 9 shows another angled arrangement schematic diagram of the locating rack of Fig. 8；
Figure 10 shows the structural schematic diagram of the pedestal of the ankle-joint bone-culting operation guiding device of Fig. 1；And
Figure 11 shows the structural schematic diagram of the plate of Fig. 6.
Wherein, the above drawings include the following reference numerals:
1, shin bone；10, pedestal；11, the first positioning region；12, the first fixation hole；20, locating rack；21, central frame body；
211, the second positioning region；212, third through-hole；22, the first registration arm；221, the second fixation hole；222, first through hole；23, second
Registration arm；231, third fixation hole；232, the second through-hole；24, extend vertical plate；241, fourth hole；30, shaft；40, plate；
41, locating slot；42, stopper section；43, avoid holes；50, osteotomy template；51, positioning plate；52, the 4th fixation hole；53, alignment grooves；
54, osteotomy slot；61, the first locating fork；611, plane is positioned；62, the first pilot pin；63, bottom plate；631, first positioning hole；
632, the first jack；633, the second jack；64, the second locating fork；65, the second pilot pin；71, fixing glue.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
It should be noted that term used herein above is merely to describe specific 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 singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each shown in attached drawing
The size of a part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding
Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar
Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with
In attached drawing afterwards do not need that it is further discussed.
As shown in figs. 1,2 and 6, the ankle-joint bone-culting operation guiding device of the present embodiment includes: pedestal 10, locating rack
20, plate 40 and osteotomy template 50.Wherein, pedestal 10 has shin bone mating surface and joint face, is provided with first on joint face
Positioning region 11 is provided with the first fixation hole 12 on 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 that side extends are provided with the second fixation hole 221, the second positioning in the first registration arm 22
It is provided with third fixation hole 231 on arm 23, the second positioning region with the cooperation of the first positioning region 11 is provided in central frame body 21
211.Location structure and locating rack 20 cooperate, and the axis of shin bone 1 are determined by locating rack 20 and location structure, and along the axis of shin bone
Line direction wears shaft 30 in shin bone.Plate 40 is removably mating with central frame body 21, and the insertion of plate 40
Direction is parallel with the axis of shin bone 1, and plate 40 is parallel to the locating slot 41 of the axis of shin bone far from the surface setting of pedestal 10.
Osteotomy template 50 is overlapped on side of the plate 40 far from pedestal 10, and positioning plate 51, the 4th fixation hole are provided in osteotomy template 50
52, alignment grooves 53 and osteotomy slot 54, positioning plate 51 and locating slot 41 cooperate, osteotomy when alignment grooves 53 are opposite with 30 position of shaft
Template 50 is in osteotomy site.
It using the technical solution of the present embodiment, is dissected based on subjects bones and customizes design, can be designed that pedestal 10, determine
The specific structure of position frame 20 and plate 40, to guarantee to realize positioning by their cooperation, final determine is cut in osteotomy template 50
The accurate location of bone slot 54 realizes distal tibial osteotomy, carries out bone preparation for the implantation of prosthese.Specifically, according to patient's
CT data are rebuild where obtaining shin bone 1 and finding the anatomical axis (i.e. 30 position of shaft) of shin bone 1, anatomical axis by 3D
Transverse plane (i.e. the first locating fork 61, the first pilot pin 62 axis where plane) fore-and-aft plane where with anatomical axis (i.e. the
The axis place plane of two locating forks 64, the second pilot pin 65) and ankle-joint median plane (i.e. the median plane of locating slot 41, this
Median plane and 1 central axis of shin bone), after osteotomy template 50 is embedded in locating slot 41, it can determine osteotomy template 50
Position is finally completed osteotomy to realize the positioning of osteotomy slot 54.
After obtaining 1 anatomical data of shin bone, pedestal 10 is obtained by Inverse seeking design, pedestal 10 will be located at distal tibial bone
Pedestal 10 will be connected to the predetermined position of shin bone 1 by surface, pedestal 10 by the first fixation hole 12.Pass through 11 He of the first positioning region
Locating rack 20 is arranged on pedestal 10 cooperation of second positioning region 211, will by the second fixation hole 221 and third fixation hole 231
Locating rack 20 is connected on shin bone 1, and the second positioning region 211 is step structure, and it is fixed can to limit the second positioning region 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 utility model, it is
Ensure to perform the operation smooth implementation, location confirmation is carried out also with C-arm x-ray machine, to ensure the first locating fork 61, the first pilot pin
Plane where 62 axis and the axis place plane of the second locating fork 64, the second pilot pin 65 intersect at the central axis of shin bone 1,
That is 30 position of shaft.That is, being observed by X-ray equipment, if the central axis of the first pilot pin 62 and shaft 30
Overlapping, and two projections be located at simultaneously two of the first locating fork 61 pitch between (state as shown in Figure 4), at this time first
Locating fork 61, the first pilot pin 62 and shaft 30 are coplanar；After X-ray equipment is rotated by 90 °, project again, if the second pilot pin 65 with
The central axis of shaft 30 is overlapped, and between two two forks for projecting while being located at the second locating fork 64, second is fixed at this time
Position the 64, second pilot pin 65 of fork and shaft 30 are coplanar.
In art, is cooperated by location structure and locating rack 20, can determine the position of bottom plate 63,63 central part of bottom plate has
One through-hole, shaft 30 will be inserted into 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
Plane where the axis of one pilot pin 62 and the axis place plane of the second locating fork 64, the second pilot pin 65 intersect at shin bone 1
Anatomical axis, i.e. 30 position of shaft.Plate 40 is inserted into the central frame body 21 of locating rack 20, the direction of insertion of plate 40
It is parallel with the axis of shin bone 1.Osteotomy template 50 is overlapped on side of the plate 40 far from pedestal 10, and is inserted into positioning plate 51
To locating slot 41, osteotomy template 50 is moved along locating slot 41, so that alignment grooves 53 are opposite with 30 position of shaft, it is solid by the 4th
Determining hole 52 fixes 50 position of osteotomy template, and the corresponding position of osteotomy slot 54 of osteotomy template 50 is to osteotomy site.Pass through benefit
With the guiding device of the present embodiment, without adjusting repeatedly, it is only necessary to carry out one twice X-ray equipment confirm.It can solve in this way
Certainly the problem of osteotomy location difficulty, operative speed and quality can be improved.
It should be understood that the shin bone mating surface of pedestal 10 is that the skeletal form based on patient is designed, may be implemented
It is bonded with the perfection of bone pattern.X-ray equipment preferably uses C-arm x-ray machine, and the X of different directions angle in art may be implemented in it
Light transmission.Ankle-joint bone-culting operation guiding device further includes the fixing glue 71 being threaded through in the first fixation hole 12, can be by solid
Surely 71 fixed pedestals 10 are followed closely.
As shown in Fig. 2 to Fig. 9, the end of the first registration arm 22 is provided with first through hole 222, the end of the second registration arm 23
It is provided with the second through-hole 232.The position of first through hole 222 and the second through-hole 232 is obtained 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 the bottom plate 63 with the first locating fork 61, the equal grafting of the first pilot pin 62, the first locating fork 61 be threaded through first through hole 222
Interior, the first pilot pin 62 is threaded through in the second through-hole 232, is provided with first positioning hole 631 on bottom plate 63, and shaft 30 passes through the
A positioning hole 631 is threaded through in shin bone 1.The first locating fork 61 is projected in by what X-ray equipment can be confirmed the first pilot pin 62
Two fork between (state as shown in Figure 4), be able to confirm that the lateral position of shaft 30 at this time.
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
It is provided at least one positioning plane 611 on wall, the first jack for wearing the first locating fork 61 is provided on bottom plate 63
632, it is provided with the limit plane cooperated with positioning plane 611 on 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 further include with
The extension vertical plate 24 that central frame body 21 cooperates extends and is provided with fourth hole 241 on vertical plate 24.Third through-hole 212 and four-way
The position in hole 241 is obtained 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 further include the second locating fork 64 and the second pilot pin 65, and the second locating fork 64 is threaded through third through-hole 212
Interior, the second pilot pin 65 is threaded through in fourth hole 241.Is projected in by what X-ray equipment can be confirmed the second pilot pin 65
Between two forks of two locating forks 64, it is able to confirm that the lengthwise position of shaft 30 at this time.
In order to further be convenient for the positioning of plate 40, as shown in figure 11, the end of plate 40 is provided with stopper section 42, backstop
42 backstop of portion is in the side of central frame body 21.
As shown in Figure 10, the first positioning region 11 includes spaced multiple second location holes, and the second positioning region 211 includes
The multiple positioning columns being arranged in a one-to-one correspondence with multiple second location holes.
Stronger in order to make to fix, the axis of the first fixation 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 Yu central frame body 21.
In order to facilitate the contraposition (being confirmed by being also required to by X-ray equipment) of osteotomy template 50 and shaft 30, on plate 40
It is additionally provided with the avoid holes 43 extended along its length.In addition, after 50 location confirmation of osteotomy template, in order to facilitate osteotomy behaviour
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 as low as can be set greatly
Seven sets.
Another aspect according to the present utility model additionally provides a kind of ankle-joint bone-culting operation method for determining position.It is logical
Above-mentioned ankle-joint bone-culting operation guiding device is crossed to realize, determine method the following steps are included:
Pedestal 10, locating rack 20 and plate 40 are obtained according to the CT data of patient；It will be by the first fixation hole 12 by pedestal
10 are connected to the predetermined position of shin bone 1；The setting of locating rack 20 is existed by the first positioning region 11 and the cooperation of the second positioning region 211
On pedestal 10, locating rack 20 is connected on shin bone 1 by the second fixation hole 221 and third fixation hole 231；It is tied by positioning
Structure and locating rack 20 cooperate and X-ray equipment determines the axis of shin bone 1, and shaft is worn in shin bone along the axis direction of shin bone
30；Plate 40 is inserted into the central frame body 21 of locating rack 20, the direction of insertion of plate 40 is parallel with the axis of shin bone 1；It will cut
Template bone 50 is overlapped on side of the plate 40 far from pedestal 10, and is inserted into positioning plate 51 in locating slot 41, along locating slot 41
Mobile osteotomy template 50 makes 50 position of osteotomy template by the 4th fixation hole 52 so that alignment grooves 53 are opposite with 30 position of shaft
Fixed, the corresponding position of osteotomy slot 54 of osteotomy template 50 is to osteotomy site.
In the description of the present invention, it should be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or positional relationship be normally based on orientation or position shown in the drawings
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, in the absence of explanation to the contrary, these nouns of locality
Do not indicate that and imply that signified device or element must have a particular orientation or be constructed and operated in a specific orientation, because
This should not be understood as the limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to the wheel relative to each component itself
Wide is inside and outside.
For ease of description, spatially relative term 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 understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of utility model protection range.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of ankle-joint bone-culting operation guiding device characterized by comprising
Pedestal (10) has shin bone mating surface and joint face, is provided with the first positioning region (11), the pedestal on the joint face
(10) the first fixation hole (12) are provided on；
Locating rack (20), with central frame body (21) and the first registration arm (22) extended from the central frame body (21) to two sides
With the second registration arm (23), it is provided with the second fixation hole (221) on first registration arm (22), second registration arm (23)
On be provided with third fixation hole (231), the with first positioning region (11) cooperation is provided on the central frame body (21)
Two positioning regions (211)；
Location structure cooperates with the locating rack (20), determines shin bone (1) by the locating rack (20) and the location structure
Axis, and shaft (30) are worn in shin bone along the axis direction of the shin bone；
Plate (40), it is removably mating with the central frame body (21), and the direction of insertion of the plate (40) with
The axis of the shin bone (1) is parallel, and the plate (40) is parallel to the shin bone far from the surface setting of the pedestal (10)
Axis locating slot (41)；
Osteotomy template (50), the osteotomy template (50) are overlapped on the side of the plate (40) far from the pedestal (10), institute
It states and is provided with positioning plate (51), the 4th fixation hole (52), alignment grooves (53) and osteotomy slot (54) on osteotomy template (50), it is described fixed
Position plate (51) and the locating slot (41) cooperates, the alignment grooves (53) osteotomy mould when opposite with the shaft (30) position
Plate (50) is in osteotomy site.
2. ankle-joint bone-culting operation guiding device according to claim 1, which is characterized in that first registration arm (22)
End be provided with first through hole (222), the end of second registration arm (23) is provided with the second through-hole (232), described
Axis of the axis of one through-hole (222) and second through-hole (232) each parallel to the shin bone (1), the location structure packet
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 threaded through in the first through hole (222), and first pilot pin (62) wears
In second through-hole (232), it is provided with first positioning hole (631) on the bottom plate (63), the shaft (30) passes through institute
First positioning hole (631) is stated to be threaded through in the shin bone (1).
3. ankle-joint bone-culting operation guiding device according to claim 2, which is characterized in that first locating fork (61)
Side wall on be provided at least one positioning plane (611), be provided on the bottom plate (63) for wearing first positioning
First jack (632) of (61) is pitched, is provided on the hole wall of first jack (632) and cooperates with the positioning plane (611)
Limit plane, the second jack (633) for wearing first pilot pin (62) is additionally provided on the bottom plate (63).
4. ankle-joint bone-culting operation guiding device according to claim 1, which is characterized in that on the central frame body (21)
It being provided with third through-hole (212), the locating rack (20) further includes the extension vertical plate (24) with the central frame body (21) cooperation,
It is provided with fourth hole (241) on the extension vertical plate (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 further includes the second locating fork (64) and the second pilot pin (65),
Second locating fork (64) is threaded through in the third through-hole (212), and second pilot pin (65) is threaded through the described 4th
In through-hole (241).
5. ankle-joint bone-culting operation guiding device according to claim 1, which is characterized in that the end of the plate (40)
It is provided with stopper section (42), side of stopper section (42) backstop in the central frame body (21).
6. ankle-joint bone-culting operation guiding device according to claim 1, which is characterized in that first positioning region (11)
Including spaced multiple second location holes, second positioning region (211) include with multiple second location holes one by one
The multiple positioning columns being correspondingly arranged.
7. ankle-joint bone-culting operation guiding device according to claim 1, which is characterized in that first fixation hole (12)
Axis and the pedestal (10) axis angle at an acute angle, second fixation hole (221) and the central frame body (21)
Axis angle at an acute angle.
8. ankle-joint bone-culting operation guiding device according to claim 1, which is characterized 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 guiding device according to claim 1, which is characterized in that the osteotomy template (50) is
The different more sets of size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721521479.9U CN208989034U (en) | 2017-11-14 | 2017-11-14 | Ankle-joint bone-culting operation guiding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721521479.9U CN208989034U (en) | 2017-11-14 | 2017-11-14 | Ankle-joint bone-culting operation guiding device |
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| CN208989034U true CN208989034U (en) | 2019-06-18 |
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| CN201721521479.9U Withdrawn - After Issue CN208989034U (en) | 2017-11-14 | 2017-11-14 | Ankle-joint bone-culting operation guiding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107874809A (en) * | 2017-11-14 | 2018-04-06 | 北京爱康宜诚医疗器材有限公司 | The determination method of ankle-joint bone-culting operation guider and ankle-joint osteotomy site |
-
2017
- 2017-11-14 CN CN201721521479.9U patent/CN208989034U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107874809A (en) * | 2017-11-14 | 2018-04-06 | 北京爱康宜诚医疗器材有限公司 | The determination method of ankle-joint bone-culting operation guider and ankle-joint osteotomy site |
| CN107874809B (en) * | 2017-11-14 | 2020-08-04 | 北京爱康宜诚医疗器材有限公司 | Ankle osteotomy guiding device and method for determining ankle osteotomy position |
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