CN104840240B - A kind of femur osteotomy assistor - Google Patents
A kind of femur osteotomy assistor Download PDFInfo
- Publication number
- CN104840240B CN104840240B CN201510263130.9A CN201510263130A CN104840240B CN 104840240 B CN104840240 B CN 104840240B CN 201510263130 A CN201510263130 A CN 201510263130A CN 104840240 B CN104840240 B CN 104840240B
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- Prior art keywords
- distal end
- assistor
- guide pin
- auxiliary member
- femoral shaft
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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
- A61B17/14—Surgical saws ; Accessories therefor
- A61B17/15—Guides therefor
- A61B17/154—Guides therefor for preparing bone for knee prosthesis
- A61B17/155—Cutting femur
-
- 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
- A61B17/1657—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
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention discloses a kind of femur osteotomy assistor, including for the distal end auxiliary member on the side surface of femoral shaft distal end, for the near-end auxiliary member on femoral shaft near-end side surface, and for fixing the connector of relative position between remote, the near-end auxiliary member；The distal end auxiliary member is provided with the distal end guide pin sleeve pipe perpendicular to femoral shaft distal end side surface, and the angle that the near-end auxiliary member is provided between the near-end guide pin sleeve pipe perpendicular to femoral shaft near-end side surface, remote, the near-end guide pin sleeve pipe is 10~35 °；And in use, femoral shaft osteotomy position is located among the gap digit between remote, the near-end auxiliary member.The femur osteotomy assistor can effectively improve the accuracy of osteotomy length and the femoral shaft distal end anglec of rotation, it is ensured that good surgical effect.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly to a kind of is DDH (i.e. developmental
Dysplasia of the hip, Chinese be " developmental dislocation of hip joint ") infant implement femoral prosthesis operation femur
Osteotomy assistor.
Background technology
Developmental dislocation of hip joint, is characterized in that femoral shaft 4 loses normal alignment with acetabular bone 8, as shown in figure 1,
It is most of to show as partial femoral head or all abjection acetabular bone, cause the relatively normal femur performance of lesion femur long, and disease
Become the ligament and muscle often involved around acetabular bone, femoral head, capsular ligament and hip joint.Developmental dislocation of hip joint is common youngster
Virgin skeleton development disease, usually merges femoral anteversion angle increase, while femoral anteversion angle increase is also to cause secondary acetabular bone to be sent out
One of the reason for educating bad.In general, normal anteversion of femoral neck is (i.e. formed by neck of femur axis and femoral shaft coronal-plane
Angle) size between 10~30 °, and dislocate after anteversion of femoral neck generally between 40~60 °, so human body is usual
Plan rectify top rake the number of degrees be 10~35 °.
And the principle of reatment of developmental dislocation of hip joint is all ages and classes and hip joint development pathological characteristic according to infant
Carry out personalized selection.For most of low age infant, closed reduction and plaster fixing are very effective measures, but year
Age larger infant generally requires operative treatment, for example, be more than the infant of 18 months for the age, it usually needs use Kirschner wire
Method is treated, and the long femur of lesion and correction angle are shortened by way of open reduction plus femoral rotation cripetura osteotomy
Excessive top rake is so that as the sick chief surgical treatment method is treated, this method detailed process is as follows：
1st step, as shown in Fig. 2 first determining to intend the specific number of degrees of correction top rake, and finds out in femoral shaft 4 and is located at
Femoral shaft osteotomy position 43 between femoral shaft distal end 41 and femoral shaft near-end 42, described femoral shaft osteotomy position 43 is specifically referred to
Femoral shaft cartilage surface upper limb is the distance between to acetabular roof, usually l~2cm.Then on the greater trochanter of femoral shaft near-end 42,
A Kirschner wire as guide pin 7 is inserted in the way of perpendicular to the side surface of femoral shaft near-end 42, and intends correction in range estimation and is inclined
After angle number, another Kirschner wire as guide pin 7 is inserted in the way of perpendicular to 41 side surfaces of femoral shaft distal end, now two
Angle between Kirschner wire is the number of degrees for intending correction top rake.
2nd step, as shown in figure 3, using osteotomy device to dismiss the femur on femoral shaft osteotomy position 43 to reach cripetura lesion mistake
Long femur；Then femoral shaft distal end 41 is rotated in a clockwise direction, until the Kirschner wire on femoral shaft distal end 41 is parallel to stock
Untill Kirschner wire on key near-end 42, so as to reach the purpose of the correction anteversion of femoral neck number of degrees.
3rd step, as shown in figure 4, being realized again between femoral shaft near-end 42 and femoral shaft distal end 41 using steel plate 5 and screw 6
Linking, pull out two Kirschner wires can complete operation.
However, osteotomy length and revolve bone angle accuracy be often directly affect can obtain good prognosis it is crucial because
Element.And in traditional Kirschner wire surgical procedure, because operative doctor can only go to determine the rotation of distal femur by ocular estimate
Angle (number of degrees for intending correction top rake), then inserts thorn two Kirschner wires, not only to the warp of operative doctor on femur
Test requirement very high, and easily produce deviation, the anglec of rotation is not enough and excessive incidence is up to 15% and 44% respectively, leads
Cause is difficult to radical cure old complaint or triggers femoral shaft backward dislocation.Meanwhile, due to not coming accurate by limiting component when osteotomy
True control osteotomy length, is easily caused that osteotomy is too short or long phenomenon, greatly have impact on the health of patient.
The content of the invention
In order to overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of femur osteotomy assistor, it can be with
Effectively improve the accuracy of osteotomy length and the femoral shaft distal end anglec of rotation.
To solve the above problems, the technical solution adopted in the present invention content is specific as follows：
A kind of femur osteotomy assistor, including for the distal end auxiliary member on the side surface of femoral shaft distal end, be used for
Near-end auxiliary member on femoral shaft near-end side surface, and for fixing relative position between remote, the near-end auxiliary member
Connector；The distal end auxiliary member is provided with the distal end guide pin sleeve pipe perpendicular to femoral shaft distal end side surface, the near-end auxiliary
The angle that part is provided between the near-end guide pin sleeve pipe perpendicular to femoral shaft near-end side surface, remote, the near-end guide pin sleeve pipe is 10~
35°；And in use, femoral shaft osteotomy position is located among the gap digit between remote, the near-end auxiliary member.
As a further improvement on the present invention, the distal end auxiliary member is additionally provided with for femoral shaft distal side table described in clamping
The distal end navigation template in face；The distal end guide pin sleeve pipe is vertically disposed on the distal end navigation template；The near-end auxiliary
Part is additionally provided with the near-end navigation template for femoral shaft near-end side surface described in clamping, and the near-end guide pin sleeve pipe is vertically arranged
On the near-end navigation template；The connector is fixedly connected remote, the near-end navigation template.
Preferably, the distal end navigation template includes distal end flat part and is located at described distal end flat part or so respectively
The right curved portions of the left curved portions in distal end and distal end at two ends, the distal end guide pin sleeve pipe is vertically disposed at the distal end flat part
On.
It is highly preferred that the cross section of the distal end navigation template is in bad arc structure.
Preferably, the near-end navigation template includes near-end flat part and is located at described near-end flat part or so respectively
The left curved portions of near-end and the right curved portions of near-end at two ends, the near-end guide pin sleeve pipe are vertically disposed at the near-end flat part
On.
It is highly preferred that the cross section of the near-end navigation template is in bad arc structure.
It is further preferred that the interval bit length between remote, the near-end navigation template is 1~6cm, more preferably 1~2cm.
It is further preferred that the angle between remote, the near-end guide pin sleeve pipe is 15~20 ° or 20~30 °.
It is further preferred that the quantity of the distal end guide pin sleeve pipe and near-end guide pin sleeve pipe is respectively two.
It is further preferred that the distal end auxiliary member and/or near-end auxiliary member can be rotated around the connector；Preferably,
The distal end navigation template and near-end navigation template are made by elastomeric material.
Compared with prior art, the beneficial effects of the present invention are：
The present invention femur osteotomy assistor be provided with far, near-end guide pin sleeve pipe with aid in guide pin correspondingly be inserted perpendicularly into
Femoral shaft is remote, on the side surface of near-end, and the angle between remote, the near-end guide pin sleeve pipe is set to 10-35 ° to match human body
The common number of degrees for intending correction top rake.The angle could be arranged to arbitrary angle in 10-35 °, for example, 10,11,12,13,
14th, 15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30 degree.Most common correction situation is matched with,
10th, 15,20,25,30 degree are utilization rate highest angle facilities.
And the distal end auxiliary member and/or near-end auxiliary member can be rotated around the connector, it is possible thereby to adjust remote, near
Hold the angle between guide pin sleeve pipe.So, even if the number of degrees for intending correction between different patients differ greatly, it can also be aided in by adjusting
Part improves the adaptability of assistor, so as to improve the utilization ratio of assistor.
Meanwhile, the distal end navigation template and near-end navigation template are made by elastomeric material, thus the auxiliary
Device will have more preferable laminating degree and broader applicability when for being attached on the femur of sufferer.
The number of degrees that only need to correct top rake according to the plan of sufferer during operation select the angle between corresponding remote, near-end guide pin sleeve pipe
The femur osteotomy assistor of size can implement femur bone-culting operation convenient for DDH infants, match somebody with somebody relative to using visual method
Close two guide pins to determine to intend the traditional means of the correction anteversion of femoral neck number of degrees in femoral shaft, greatly increase accuracy,
It is only 3~5 ° to make the error between anteversion of femoral neck and target top rake behind rotation femoral shaft distal end；And when in use, because
Femoral shaft osteotomy position is located between remote, the near-end auxiliary member, so osteotomy device can be limited by remote, near-end auxiliary member during osteotomy
Position effect, relative to the operation method of traditional osteotomy direct on femoral shaft osteotomy position, can greatly improve femoral shortening
Accuracy, effectively ensures that the formedness of surgical effect.
Described above is only the general introduction of inventive technique scheme, in order to better understand the technological means of the present invention, and
Can be practiced according to the content of specification, and in order to allow the present invention above and other objects, features and advantages can be more
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Brief description of the drawings
Fig. 1 is the structural representation that femoral head loses normal alignment with acetabular bone；
One schematic diagram of the step of Fig. 2 is traditional Kirschner wire operation method；
Two schematic diagrames of the step of Fig. 3 is traditional Kirschner wire operation method；
Three schematic diagrames of the step of Fig. 4 is traditional Kirschner wire operation method；
Fig. 5 is the front view of the femur osteotomy assistor of the present invention；
Fig. 6 is the rearview of the femur osteotomy assistor of the present invention；
Fig. 7 is the top view of the femur osteotomy assistor of the present invention；
Mounting structure schematic diagrams of the Fig. 8 for femur osteotomy assistor of the invention in femoral shaft.
In figure：1st, distal end auxiliary member；11st, distal end guide pin sleeve pipe；12nd, distal end navigation template；121st, the left curved portions in distal end；
122nd, distal end flat part；123rd, the right curved portions in distal end；2nd, near-end auxiliary member；21st, near-end guide pin sleeve pipe；22nd, near-end navigation template；
221st, the left curved portions of near-end；222nd, near-end flat part；223rd, the right curved portions of near-end；3rd, connector；4th, femoral shaft；41st, femoral shaft
Distally；42nd, femoral shaft near-end；43rd, femoral shaft osteotomy position；5th, steel plate；6th, screw；7th, guide pin；8th, acetabular bone；A, distal end guide pin sleeve pipe
With the angle between near-end guide pin sleeve pipe；And clockwise arrow direction is rotation bone direction in Fig. 3.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to embodiment, structure, feature and its effect according to the present invention, are described in detail as follows：
As shown in Fig. 5 to Fig. 8 is the femur osteotomy assistor of the present invention, and it includes being used to be arranged on femoral shaft distal end 41
Distal end auxiliary member 1 on side surface, for the near-end auxiliary member 2 on the side surface of femoral shaft near-end 42, and for solid
The connector 3 of fixed relative position between the distal end auxiliary member 1 and near-end auxiliary member 2；The distal end auxiliary member 1 is provided with perpendicular to stock
The distal end guide pin sleeve pipe 11 of 41 side surfaces of key distal end, the near-end auxiliary member 2 is provided with perpendicular to the side surface of femoral shaft near-end 42
Near-end guide pin sleeve pipe 21, included angle A between the distal end guide pin sleeve pipe 11 and near-end guide pin sleeve pipe 21 is 10~35 °；And make
Used time, femoral shaft osteotomy position 43 is located among the gap digit between the distal end auxiliary member 1 and near-end auxiliary member 2.
The step of using the femur osteotomy assistor of the present invention to implement bone-culting operation for DDH patient is as follows：
1st step, the number of degrees for correcting top rake according to the plan of patient select that correspondence is remote, the angle number of degrees between near-end guide pin sleeve pipe
Femur osteotomy assistor of the present invention；And the number of degrees that human body intends correction top rake are typically counted between 10~35 °, but through case,
There are the number of degrees of plan correction top rake of major part patient between 15~20 ° or 20~30 °, wherein 20 ° are the number of degrees occurred frequently,
Therefore, the included angle A between the distal end guide pin sleeve pipe 11 and near-end guide pin sleeve pipe 21 of femur osteotomy assistor of the invention is preferably 15
~20 ° or 20~30 °.
The distal end auxiliary member 1 and near-end auxiliary member 2 of the femur osteotomy assistor of the present invention, are separately mounted to stock by the 2nd step
On key distal end 41 and the side surface of near-end 42, and the position of the femur osteotomy assistor is adjusted, make femoral shaft osteotomy position 43
Among gap digit between the distal end auxiliary member 1 and near-end auxiliary member 2；
3rd step, inserts guide pin, the He of auxiliary member 1 in distal end respectively in distal end guide pin sleeve pipe 11 and near-end guide pin sleeve pipe 21
Under the auxiliary of near-end auxiliary member 2, the guide pin in distal end guide pin sleeve pipe 11 and near-end guide pin sleeve pipe 21 corresponds to and inserts thorn with being respectively perpendicular
On femoral shaft 41 side surfaces of distal end and the side surface of near-end 42；
4th step, the femur for using osteotomy device to be dismissed while severing connector 3 on femoral shaft osteotomy position 43 is short to reach
The long femur of contracting lesion；Then along clockwise direction synchronous rotary distal end auxiliary member 1 and femoral shaft distal end 41, until femoral shaft
Distally it is located at the guide pin in distal end guide pin sleeve pipe 11 on 41 parallel on femoral shaft near-end 42 to be located in near-end guide pin sleeve pipe 21
Untill guide pin, so as to reach the purpose of the correction anteversion of femoral neck number of degrees.
5th step, using steel plate and screw realize again femoral shaft near-end 42 and femoral shaft distal end 41 between being connected, after pull out
Two guide pins, finally respectively disassemble distal end auxiliary member 1 and near-end auxiliary member 2 from femoral shaft distal end 41 and near-end 42 again
Operation can be completed.
The present invention femur osteotomy assistor be provided with far, near-end guide pin sleeve pipe with aid in guide pin correspondingly be inserted perpendicularly into
Femoral shaft is remote, on the side surface of near-end, and the angle between remote, the near-end guide pin sleeve pipe is set to 10-35 ° to match human body
The common number of degrees for intending correction top rake.The angle could be arranged to arbitrary angle in 10-35 °, for example, 10,11,12,13,
14th, 15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30 degree.Most common correction situation is matched with,
10th, 15,20,25,30 degree are utilization rate highest angle facilities.
And the distal end auxiliary member and/or near-end auxiliary member can be rotated around the connector, it is possible thereby to adjust remote, near
Hold the angle between guide pin sleeve pipe.So, even if the number of degrees for intending correction between different patients differ greatly, it can also be aided in by adjusting
Part improves the adaptability of assistor, so as to improve the utilization ratio of assistor.
The number of degrees that only need to correct top rake according to the plan of sufferer during operation select the angle between corresponding remote, near-end guide pin sleeve pipe
The femur osteotomy assistor of size can implement femur bone-culting operation convenient for DDH infants, match somebody with somebody relative to using visual method
Close two guide pins to determine to intend the traditional means of the correction anteversion of femoral neck number of degrees in femoral shaft, greatly increase accuracy,
It is only 3~5 ° to make the error between anteversion of femoral neck and target top rake behind rotation femoral shaft distal end；And when in use, because
Femoral shaft osteotomy position is located between remote, the near-end auxiliary member, so osteotomy device can be limited by remote, near-end auxiliary member during osteotomy
Position effect, relative to the operation method of traditional osteotomy direct on femoral shaft osteotomy position, can greatly improve femoral shortening
Accuracy, effectively ensures that the formedness of surgical effect.
In order to which femur osteotomy assistor of the present invention is removably mounted on into femoral shaft distal end 41 and the side surface of near-end 42
On, the distal end auxiliary member 1 is additionally provided with the distal end navigation template 12 for 41 side surfaces of femoral shaft distal end described in clamping；It is described remote
End guide pin sleeve pipe 11 is vertically disposed on the distal end navigation template 12；The near-end auxiliary member 2 is additionally provided with for clamping institute
The near-end navigation template 22 of the side surface of femoral shaft near-end 42 is stated, the near-end guide pin sleeve pipe 21 is vertically disposed at the near-end and led
On model plane plate 22；The connector 3 is fixedly connected the distal end navigation template 12 and near-end navigation template 22.
In order to realize distal end auxiliary member 1 and the clamping of 41 side surfaces of femoral shaft distal end, entering for distal end navigation template 12 is used as
One step is improved, and the distal end navigation template 12 includes distal end flat part 122 and is located at the left side of distal end flat part 122 respectively
The right curved portions 123 of the left curved portions 121 in distal end and distal end at right two ends, the distal end guide pin sleeve pipe 11 is vertically disposed at described remote
Hold level with both hands in plate portion 122.And distal end auxiliary member 1 is installed or removed on femoral shaft distal end 41 for convenience, the present embodiment is more preferably
The cross section of the distal end navigation template 12 is in bad arc structure.
In order to realize the clamping of near-end auxiliary member 2 and the side surface of femoral shaft near-end 42, entering for near-end navigation template 22 is used as
One step is improved, and the near-end navigation template 22 includes near-end flat part 222 and is located at the left side of near-end flat part 222 respectively
The left curved portions 221 of near-end and the right curved portions 223 of near-end at right two ends, the near-end guide pin sleeve pipe 21 are vertically disposed at described near
Hold level with both hands in plate portion 222.And near-end auxiliary member 2 is installed or removed on femoral shaft near-end 42 for convenience, the present embodiment is more preferably
The cross section of the near-end navigation template 22 is in bad arc structure.
Meanwhile, as the preferred embodiment of the present embodiment, the distal end navigation template 12 and near-end navigation template 22 are equal
It is made by elastomeric material, thus the assistor there will be more preferable laminating degree when for being attached on the femur of sufferer
With broader applicability.
It is described remote, near as further improvement of this embodiment in order to make preferably spacing to the scope of activities of osteotomy device
It is 1~6cm to hold the interval bit length between navigation template.And typically, since femoral shaft osteotomy position 43 is to be located at femoral shaft
Cartilage surface upper limb is between acetabular roof, and its length is usually l~2cm, and in order to further improve osteotomy precision, the present embodiment is more excellent
The interval bit length between the distal end navigation template 12 and near-end navigation template 22 is selected between 1~2cm, so as to make Post operation
Femoral shortening length and target cripetura length mean error control between 0.2~0.4cm.
As further improvement of this embodiment, the quantity of the distal end guide pin sleeve pipe 11 and near-end guide pin sleeve pipe 21 is distinguished
For two, and described two distal end guide pin sleeve pipes 11 are parallel to each other, and described two near-end guide pin sleeve pipes 21 are parallel to each other, so,
It is respectively that for the moment, can more facilitate operative doctor in rotation relative to distal end guide pin sleeve pipe 11 and the quantity of near-end guide pin sleeve pipe 21
Distal end guide pin sleeve pipe 11 is observed during femoral shaft distal end 41 with near-end guide pin 21 variable angle between the two of sleeve pipe with true
Whether the correction for determining anteversion of femoral neck completes.
Above-mentioned embodiment is only the preferred embodiment of the present invention, it is impossible to limit the scope of protection of the invention with this,
The change and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed scope.
Claims (11)
1. a kind of femur osteotomy assistor, it is characterised in that：Including auxiliary for the distal end on the side surface of femoral shaft distal end
Assistant piece, for the near-end auxiliary member on femoral shaft near-end side surface, and for fixing between remote, the near-end auxiliary member
The connector of relative position；The distal end auxiliary member and/or near-end auxiliary member can be rotated around the connector；The distal end is auxiliary
Assistant piece is provided with the distal end guide pin sleeve pipe perpendicular to femoral shaft distal end side surface, and the near-end auxiliary member is provided near perpendicular to femoral shaft
Angle between the near-end guide pin sleeve pipe on side surface, remote, the near-end guide pin sleeve pipe is 10~35 °；And in use, femoral shaft
Osteotomy position is located among the gap digit between remote, the near-end auxiliary member.
2. femur osteotomy assistor as claimed in claim 1, it is characterised in that：The distal end auxiliary member is additionally provided with for clamping
The distal end navigation template of femoral shaft distal end side surface；The distal end guide pin sleeve pipe is vertically disposed at the distal end navigation mould
On plate；The near-end auxiliary member is additionally provided with the near-end navigation template for femoral shaft near-end side surface described in clamping, the near-end
Guide pin sleeve pipe is vertically disposed on the near-end navigation template；The connector is fixedly connected remote, the near-end navigation template.
3. femur osteotomy assistor as claimed in claim 2, it is characterised in that：The distal end navigation template includes distal end flat board
Portion and the right curved portions of the left curved portions in distal end and distal end for being located at the distal end flat part left and right ends respectively, the distal end is led
Needle cannula is vertically disposed on the distal end flat part.
4. femur osteotomy assistor as claimed in claim 3, it is characterised in that：The cross section of the distal end navigation template is in bad
Arc structure.
5. femur osteotomy assistor as claimed in claim 2, it is characterised in that：The near-end navigation template includes near-end flat board
Portion and the left curved portions of near-end and the right curved portions of near-end for being located at the near-end flat part left and right ends respectively, the near-end are led
Needle cannula is vertically disposed on the near-end flat part.
6. femur osteotomy assistor as claimed in claim 5, it is characterised in that：The cross section of the near-end navigation template is in bad
Arc structure.
7. femur osteotomy assistor as claimed in claim 2, it is characterised in that：Interval between remote, the near-end navigation template
Bit length is 1~6cm.
8. femur osteotomy assistor as claimed in claim 7, it is characterised in that：Interval between remote, the near-end navigation template
Bit length is 1~2cm.
9. the femur osteotomy assistor as described in claim 1-8 any one, it is characterised in that：Remote, the near-end guide pin set
Angle between pipe is 15~20 ° or 20~30 °.
10. the femur osteotomy assistor as described in claim 1-8 any one, it is characterised in that：The distal end guide pin sleeve pipe
Quantity with near-end guide pin sleeve pipe is respectively two.
11. the femur osteotomy assistor as described in claim 2-8 any one, it is characterised in that：The distal end navigation template
It is made with near-end navigation template by elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510263130.9A CN104840240B (en) | 2015-05-21 | 2015-05-21 | A kind of femur osteotomy assistor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510263130.9A CN104840240B (en) | 2015-05-21 | 2015-05-21 | A kind of femur osteotomy assistor |
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| CN104840240B true CN104840240B (en) | 2017-07-14 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105434009B (en) * | 2015-11-26 | 2019-05-17 | 南京医科大学附属南京儿童医院 | For the navigation template of femoral osteotomies, application method and production method |
| CN106388899B (en) * | 2016-10-16 | 2019-01-04 | 北京工业大学 | The accurate resection operation auxiliary instrument system of distal femur tumour of a set of 3D printing manufacture |
| CN107041772A (en) * | 2017-03-16 | 2017-08-15 | 李文超 | Osteotomy resets template tool and tool box |
| CN111067587B (en) * | 2019-12-20 | 2023-08-01 | 哈尔滨医科大学 | Children DDH femur near-end osteotomy guide plate and use method thereof |
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| US4938762A (en) * | 1987-12-16 | 1990-07-03 | Protek Ag | Reference system for implantation of condylar total knee prostheses |
| CN103961166A (en) * | 2014-05-19 | 2014-08-06 | 薛远亮 | Locating assembly for parallel needle penetration and angle rotation of femoral osteotomy of hip dislocation and locating method |
| CN203943728U (en) * | 2014-06-11 | 2014-11-19 | 北京大学第三医院 | Bone piece holding forceps |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040039395A1 (en) * | 2002-05-24 | 2004-02-26 | Coon Thomas M. | Instruments for knee surgery and method of use |
| US8591516B2 (en) * | 2006-02-27 | 2013-11-26 | Biomet Manufacturing, Llc | Patient-specific orthopedic instruments |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4938762A (en) * | 1987-12-16 | 1990-07-03 | Protek Ag | Reference system for implantation of condylar total knee prostheses |
| CN103961166A (en) * | 2014-05-19 | 2014-08-06 | 薛远亮 | Locating assembly for parallel needle penetration and angle rotation of femoral osteotomy of hip dislocation and locating method |
| CN203943728U (en) * | 2014-06-11 | 2014-11-19 | 北京大学第三医院 | Bone piece holding forceps |
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