CN209220408U - A kind of personalization femoral intertrochanteric rotary osteotomy surgical guide - Google Patents
A kind of personalization femoral intertrochanteric rotary osteotomy surgical guide Download PDFInfo
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Abstract
A kind of personalization femoral intertrochanteric rotary osteotomy surgical guide is provided with and the matched main body osteotomy positioning guide plate of femur anatomic form, locating rod and the matched angular amount positioning plate of femur anatomic form and angular amount device.In the personalization femoral intertrochanteric rotary osteotomy surgical guide, there are three osteotomy slots for main body osteotomy positioning guide plate tool, can accurately carry out osteotomy, the cooperation of angular amount positioning plate and angular amount device may be implemented accurately to adjust rotation angle.The personalization femoral intertrochanteric rotary osteotomy surgical guide can greatly simplify surgical procedure while shorten operating time, and reduce fluoroscopy during operation number and postoperative complications, shorten learning curve, have wide potential applicability in clinical practice.
Description
Technical field
The utility model relates to femoral intertrochanteric bone-culting operations to operate medical assistance instrument, in particular to a kind of personalized stock
Rotary osteotomy surgical guide between bone rotor.
Background technique
Caput femoris necrosis early symptom is slight and lesion is hidden, and is easy to be ignored by doctor and patient, when patient makes a definite diagnosis
To advanced stage, the best opportunity for retaining the early treatments such as femoral head is lost, and is forced to receive artificial joint replacement surgery.Such patient
Age is less than normal, activity is larger, and the late result of artificial joint replacement is unsatisfactory, therefore takes early stage disease positive
Treatment method reaches to alleviate or even cure this disease and retains patient femur's head or delay row prosthetic replacement's time with important
Meaning.
Japanese scholars Sugioka is devised through femoral trochanter osteotomy, femoral head rotation art treatment avascular necrosis of femoral head.
Its principle is that outside before the femoral head of necrosis is adjusted to non-weight bearing area.Femoral head and neck of femur are rotated forward along its longitudinal axis,
Make in force of gravity to the unaffected original articular surface in rear side.From the pathology of adult idiopathic femoral head ischemic necrosis
Evolution process sees that this method has the meaning effected a permanent cure to collapse resistance case, especially protects to III, IV phase necrosis patient's row other treatment
When hip treatment is invalid, more young patient is striven for protecting hip probability, delays progression of disease and changes the hip time, collapses option share bone for treatment
Head ischemic necrosis provides new modus operandi.
But the surgical procedure is complicated, learning curve is long, clinically still lacks a kind of instrument energy guided operation doctor essence at present
Certainly position Osteotomy and realization accurately rotate angle, and not only cause bone amount by the multiple osteotomy amendment of experience deficiency bring
It loses, will also change whole coxa substitution to operative failure and bring difficulty, to limit its application clinically.
Therefore in view of the shortcomings of the prior art, to provide a kind of personalized femoral intertrochanteric rotary osteotomy surgical guide existing to solve
There is technical deficiency very necessary.
Utility model content
The purpose of this utility model is that providing a kind of personalized femoral intertrochanteric in place of avoiding the deficiencies in the prior art
Rotary osteotomy surgical guide.The personalization femoral intertrochanteric rotary osteotomy surgical guide can be realized accurate osteotomy and rotational positioning
The advantages of.
The above-mentioned purpose of the utility model is realized by following technical measures:
A kind of personalized femoral intertrochanteric rotary osteotomy surgical guide is provided, is provided with and the matched master of femur anatomic form
Body osteotomy positioning guide plate, locating rod and the matched angular amount positioning plate of femur anatomic form and angular amount device.
Preferably, aforementioned body osteotomy positioning guide plate, locating rod, angular amount positioning plate and angular amount device are respectively absolute construction,
Main body osteotomy positioning guide plate and locating rod are detachably assemblied in greater trochanter of femur, angular amount positioning plate and angular amount device can by Kirschner wire
It dismantles in being assemblied in greater trochanter of femur.
Preferably, aforementioned body osteotomy positioning guide plate includes the first main body and matched first card of femur anatomic form
Slot, with the first Kirschner wire tunnel of matched second card slot of femur anatomic form, central axes and neck of femur axis line overlap, be used for
The osteotomy slot of cross cut saw femur and fixation hole for stationary positioned bar.
In the work of main body osteotomy positioning guide plate, it is defined as top closest to the side of human body head, is turned greatly far from femur
The side definition of son has left side, and the first card slot is located at the bottom of the first main body, the second card slot is located at the right side of the first main body,
In the leading flank of the first main body, the first Kirschner wire tunnel is located at the left side of the first main body and extends vertically through the first master fixed hole position
Body.
Preferably, above-mentioned osteotomy slot includes osteotomy slot and lesser trochanter osteotomy slot, greater trochanter between greater trochanter osteotomy slot, rotor
Osteotomy slot position between the left side of the first main body, rotor osteotomy slot position in the first main body leading flank and with the first Kirschner wire tunnel
Vertically, lesser trochanter osteotomy slot position in the first main body leading flank and osteotomy slot intersects vertically between rotor.
Preferably, plane and lesser trochanter osteotomy slot institute where osteotomy slot between above-mentioned greater trochanter osteotomy slot place plane, rotor
It is mutually perpendicular in plane.
Preferably, above-mentioned angular amount positioning plate is provided with the second main body and the matched third card slot of femur anatomic form, axis
The second Kirschner wire tunnel, the zero degree baseline for being positioned with angular amount device angle of line and neck of femur axis line overlap.
When with the work of angular amount positioning plate, the side far from femur is defined as left side, and the second Kirschner wire tunnel is perpendicular to a left side
Side and run through the second main body, third card slot abuts far from left side and with femur, and zero degree baseline is located at the left side of the second main body
Face.
Preferably, above-mentioned locating rod is provided with convex column and third Kirschner wire tunnel for cooperating with fixation hole, protrusion
Column is located at the end of locating rod one end, and third Kirschner wire tunnel is located at the end of the locating rod other end.
Preferably, above-mentioned angular amount device is provided with the angular amount main body and the 4th Kirschner wire tunnel of cylindrical shape, the 4th Kirschner wire
Tunnel is extended vertically through in the center of angular amount main body.
Preferably, the surfaces of revolution of above-mentioned angular amount main body is provided with the angle graduated scale for measuring rotation angle.
Preferably, above-mentioned angular amount main body is additionally provided with the clamping part for fixation Kel's needle, and clamping part is integrally formed in angle
Measure the side of main body.
Preferably, above-mentioned clamping part setting buckle and lock section, buckle and lock section are integrally formed in the two sides of clamping part.
Preferably, above-mentioned lock section is provided with the ladder-like tongue piece of two panels.
Preferably, above-mentioned first Kirschner wire tunnel, the second Kirschner wire tunnel, third Kirschner wire tunnel and the 4th Kirschner wire tunnel
The diameter in road is respectively 1mm.
Preferably, above-mentioned third Kirschner wire tunnel is set as two or more.
Preferably, above-mentioned fixation hole and convex column are respectively set to two or more, and convex column and fixation hole difference are one by one
It is corresponding.
A kind of personalized femoral intertrochanteric rotary osteotomy surgical guide of the utility model, is provided with and femur anatomic form
Matched main body osteotomy positioning guide plate, locating rod and the matched angular amount positioning plate of femur anatomic form and angular amount device.The personalization
In femoral intertrochanteric rotary osteotomy surgical guide, there are three osteotomy slots for main body osteotomy positioning guide plate tool, can accurately carry out osteotomy,
The cooperation of angular amount positioning plate and angular amount device may be implemented accurately to adjust rotation angle.The personalization femoral intertrochanteric rotary osteotomy
Surgical guide can greatly simplify surgical procedure while shorten operating time, and reduce fluoroscopy during operation number and complicated by postoperative
Disease shortens learning curve, has wide potential applicability in clinical practice.
Detailed description of the invention
The utility model is further described using attached drawing, but the content in attached drawing is not constituted to the utility model
Any restrictions.
Osteotomy positioning guide plate structural schematic diagram based on Fig. 1.
Fig. 2 is angular amount positioning plate structure schematic diagram.
Fig. 3 is angular amount device structural schematic diagram.
Fig. 4 is the schematic cross-section of the angular amount device of Fig. 3.
Fig. 5 is positional lever structure schematic diagram.
Schematic diagram when osteotomy positioning guide plate and locating rod are placed in femur based on Fig. 6.
Fig. 7 is schematic diagram when angular amount positioning plate and angular amount device are placed in femur.
Fig. 8 is a kind of personalized femoral intertrochanteric rotary osteotomy surgical guide preparation method flow chart of the utility model.
Fig. 1 includes into Fig. 8:
Main body osteotomy positioning guide plate 1, the first main body 11, the first card slot 12, the second card slot 13, the first Kirschner wire tunnel 14,
Osteotomy slot 162 between fixation hole 15, greater trochanter osteotomy slot 161, rotor, lesser trochanter osteotomy slot 163,
Angular amount positioning plate 2, the second main body 21, third card slot 22, the second Kirschner wire tunnel 23, zero degree baseline 24,
Locating rod 3, convex column 31, third Kirschner wire tunnel 32,
Angular amount device 4, angular amount main body 41, clamping part 411, buckle 4111, tongue piece 4112, the 4th Kirschner wire tunnel 42, kirschner
Needle 5.
Specific embodiment
The technical solution of the utility model is described further with the following Examples.
Embodiment 1.
A kind of personalization femoral intertrochanteric rotary osteotomy surgical guide is provided with and femur dissection shape as shown in Fig. 1 to 7
The matched main body osteotomy positioning guide plate 1 of state, locating rod 3 and the matched angular amount positioning plate 2 of femur anatomic form and angular amount device 4.
Main body osteotomy positioning guide plate 1, locating rod 3, angular amount positioning plate 2 and angular amount device 4 are respectively absolute construction, main body osteotomy
It is removable by Kirschner wire 5 that positioning guide plate 1 and locating rod 3 are detachably assemblied in greater trochanter of femur, angular amount positioning plate 2 and angular amount device 4
It unloads in being assemblied in greater trochanter of femur.
Main body osteotomy positioning guide plate 1 includes the first main body 11 and matched first card slot 12 of femur anatomic form and stock
Matched second card slot 13 of bone anatomic form, central axes and neck of femur axis line overlap the first Kirschner wire tunnel 14, for cut
Saw the osteotomy slot of femur and the fixation hole 15 for stationary positioned bar 3.
When main body osteotomy positioning guide plate 1 works, it is defined as top closest to the side of human body head, is turned greatly far from femur
The side definition of son has left side, and the first card slot 12 is located at the bottom of the first main body 11, the second card slot 13 is located at the first main body 11
Right side, fixation hole 15 is located at the leading flank of the first main body 11, and the first Kirschner wire tunnel 14 is located at the left side of the first main body 11
Face simultaneously extends vertically through the first main body 11.
Osteotomy slot includes osteotomy slot 162 and lesser trochanter osteotomy slot 163 between greater trochanter osteotomy slot 161, rotor, and greater trochanter is cut
Bone slot 161 is located at the left side of the first main body 11, between rotor osteotomy slot 162 be located at the first main body 11 leading flank and with first gram
Family name's needle tunnel 14 is vertical, and lesser trochanter osteotomy slot 163 is located at the leading flank of the first main body 11 and the vertical phase of osteotomy slot 162 between rotor
It hands over.
163 place of 162 place plane of osteotomy slot and lesser trochanter osteotomy slot between 161 place plane of greater trochanter osteotomy slot, rotor
Plane is mutually perpendicular to.
Angular amount positioning plate 2 is provided with the second main body 21 and the matched third card slot 22 of femur anatomic form, central axes and stock
The second Kirschner wire tunnel 23, the zero degree baseline 24 for being positioned with 4 angle of angular amount device of bone neck axis line overlap.
When with the work of angular amount positioning plate 2, the side far from femur is defined as left side, the second Kirschner wire tunnel 23 perpendicular to
Left side and run through the second main body 21, third card slot 22 abuts far from left side and with femur, and zero degree baseline 24, which is located at second, to be led
The left side of body 21.
Locating rod 3 is provided with convex column 31 and third Kirschner wire tunnel 32 for cooperating with fixation hole 15, convex column 31
Positioned at the end of 3 one end of locating rod, third Kirschner wire tunnel 32 is located at the end of 3 other end of locating rod.
Angular amount device 4 is provided with the angular amount main body 41 and the 4th Kirschner wire tunnel 42 of cylindrical shape, the 4th Kirschner wire tunnel 42
It extends vertically through in the center of angular amount main body 41.The surfaces of revolution of angular amount main body 41 is provided with the angle index for measuring rotation angle
Ruler.Angular amount main body 41 is additionally provided with the clamping part 411 for fixation Kel's needle 5, and clamping part 411 is integrally formed in angular amount main body 41
Side.Buckle 4111 is arranged in clamping part 411 and lock section, buckle 4111 and lock section are integrally formed two in clamping part 411
Side.Lock section is provided with the ladder-like tongue piece 4112 of two panels.
First Kirschner wire tunnel 14, the second Kirschner wire tunnel 23, third Kirschner wire tunnel 32 and the 4th Kirschner wire tunnel 42
Diameter be respectively 1mm.
The third Kirschner wire tunnel 32 of the present embodiment is specifically configured to two, the third Kirschner wire tunnel 32 of the utility model
It may be set to be more than two arbitrary numbers, depending on specific number is with actual conditions.
The fixation hole 15 and convex column 31 of the present embodiment are respectively set to two, and convex column 31 and the difference of fixation hole 15 are one by one
It is corresponding.The fixation hole 15 and convex column 31 of the utility model may be set to be more than two arbitrary numbers, specific number
Depending on actual conditions.
A kind of personalized femoral intertrochanteric rotary osteotomy surgical guide application method of the utility model is as follows: exposure femur
Main body osteotomy positioning guide plate 1 is placed in corresponding position by greater trochanter, and Kirschner wire 5 is passed through the stock that the first Kirschner wire tunnel 14 is placed in
Bone neck central axes, three osteotomy slots further according to main body osteotomy positioning guide plate 1 are respectively to cut between greater trochanter osteotomy slot 161, rotor
Bone slot 162 and lesser trochanter osteotomy slot 163 utilize goose saw successively osteotomy.Locating rod 3 is installed on main body osteotomy positioning guide plate 1 by installation
Fixation hole 15, choose 3 suitable third Kirschner wire tunnel 32 of locating rod by Kirschner wire 5 perpendicular to neck of femur central axes be placed in stock
Then bone takes out locating rod 3 and main body osteotomy positioning guide plate 1, as shown in Figure 6 respectively.By the second Kirschner wire of angular amount positioning plate 2
Tunnel 23 is disposed through the Kirschner wire 5 of neck of femur central axes, and adjusting 2 position of angular amount positioning plate makes it fit in femur completely,
So that angular amount device 4 is placed in the top of angular amount positioning plate 2 Kirschner wire 5 that angular amount device 4 is disposed through neck of femur central axes again, adjusts
4 angle of angular amount device makes 24 weight of zero degree baseline on 0 ° of the angle graduated scale of angular amount device 4 and 180 ° of positions and angular amount positioning plate 2
It closes, clamping part 411 is adjusted according to the diameter for the Kirschner wire 5 for being placed in neck of femur central axes and enables angular amount device 4 same with Kirschner wire 5
Step rotation, as shown in Figure 7.It adjusts or rotates according to operation plan or concrete condition and be placed in femur through third Kirschner wire tunnel 32
Kirschner wire 5, finally make caput femoris necrosis area turn to non-weight bearing area, stock can be read according to 4 scale panel of angular amount device and baseline
Bone rotational angle.After osteotomy rotation is definite, it can be fixed temporarily, be withdrawn from after angular amount device 4 and guide plate according to operation side with reduction forceps
Case is fixed in carrying out.
The personalization femoral intertrochanteric rotary osteotomy surgical guide is provided with and the matched main body osteotomy of femur anatomic form
Positioning guide plate 1, locating rod 3 and the matched angular amount positioning plate 2 of femur anatomic form and angular amount device 4.The personalization femoral intertrochanteric
In rotary osteotomy surgical guide, there are three osteotomy slots for the tool of main body osteotomy positioning guide plate 1, can accurately carry out osteotomy, angular amount positioning
The cooperation of plate 2 and angular amount device 4 may be implemented accurately to adjust rotation angle.Personalization femoral intertrochanteric rotary osteotomy operation is led
Plate can greatly simplify surgical procedure while shorten operating time, and reduce fluoroscopy during operation number and postoperative complications, shorten
Learning curve has wide potential applicability in clinical practice.
Embodiment 2.
A kind of personalization femoral intertrochanteric rotary osteotomy surgical guide, other features are same as Example 1, and difference exists
In third Kirschner wire tunnel 32 is set as three.
Fixation hole 15 and convex column 31 are respectively set to three, and convex column 31 and fixation hole 15 correspond respectively.
The personalization femoral intertrochanteric rotary osteotomy surgical guide compared with Example 1, the personalized femur of the present embodiment
Rotary osteotomy surgical guide can make main body osteotomy positioning guide plate 1 and locating rod 3 more stable when assembling between rotor, prevent from positioning
Bar 3 shifts.Third Kirschner wire tunnel 32 is three simultaneously, can be more advantageous to raising perpendicular to neck of femur central axes and be placed in kirschner
The flexibility of 5 femur of needle.
Embodiment 3.
A kind of preparation method of personalization femoral intertrochanteric rotary osteotomy surgical guide, as shown in figure 8, step includes such as
Under:
Step 1 constructs standard three-dimensional femoral model；
Step 2 is handled the standard three-dimensional femoral model that step 1 obtains to obtain hypostazation model；
Step 3, the hypostazation model extraction standard anatomic parameter that step 2 is obtained construct Osteotomy, obtain individual character
Change femoral intertrochanteric rotary osteotomy surgical guide model；
Step 4, the personalized femoral intertrochanteric rotary osteotomy surgical guide model 3D printing that step 4 is obtained obtain a
Property femoral intertrochanteric rotary osteotomy surgical guide.
Above-mentioned steps one obtain image data specifically, master pattern femur is taken to carry out thin layer CT scan, save as Dicom
Mimics software is inputted after formatted file, then rebuilds cortex bone and spongiosa bone model, is fitted femoral head and calculates late-segmental collapse
Point, neck of femur intersection point and femoral intercondylar central point obtain standard three-dimensional femoral model and export STL formatted file.
Above-mentioned steps two are specifically, input Geomagic software, progress fairing processing, song for step 1 STL formatted file
Face delete with filling, precise curved surface, calculate contour line and construction trellis operations are completed curved surface and optimized, be converted into physical model and defeated
It is out STP formatted file.
Above-mentioned steps three are specifically, the STP formatted file that step 2 is obtained imports Solidworks software, setting three
Osteotomy is reference planes, extracts suitable bone face, and mould shape parameter is arranged, and obtains personalized femoral intertrochanteric rotary osteotomy operation
Guide plate model obtains STL formatted file.
Above-mentioned steps four obtain personalized femur and turn specifically, by the TL formatted file input 3D printing equipment of step 3
Rotary osteotomy surgical guide between son.
Above-mentioned model parameter be carry out it is equidistant, thicken, suture curved surface, combination, segmentation, design 5 tunnel of Kirschner wire arrangement and
Card slot.
Above-mentioned standard model femur is second generation sawbones master pattern femur.
The preparation method of the personalization femoral intertrochanteric rotary osteotomy surgical guide can be obtained by simple four steps
To personalized femoral intertrochanteric rotary osteotomy surgical guide, the waiting time of patient is reduced.Personalization is made by this method
Femoral intertrochanteric rotary osteotomy surgical guide, which has, to be realized accurate osteotomy and rotational positioning, simplifies operation, shorten operating time, subtract
The advantages of few fluoroscopy during operation number and postoperative complications and shortening learning curve.
Embodiment 4.
A kind of preparation method of personalization femoral intertrochanteric rotary osteotomy surgical guide:
Step 1: building standard three-dimensional femoral model.
Take second generation master pattern bone sawbones femur, carry out thin-layer CT (thin-layer CT parameter be set as 120Kv,
120mAs, screw pitch 0.3mm and thickness 1mm) scanning.
The smaller scanning window width (FOV) of scanning object is covered in selection, improves the display resolution of scanning, exports Dicom lattice
Formula file, and with DVD imprinting.
The Dicom format text that thin layer CT scan femur is obtained inputs Mimics software, rebuilds cortex bone and cancellous bone mould
Type is substantially carried out following operation: (1) given threshold (Thresholding), reduces threshold value as far as possible under the premise of height emulation, obtains
More femur information.
(2) region growing (region growing) refers to the mistake by groups of pixel or the region regional development Cheng Geng great
Journey, it is therefore an objective to divide the steel plate in same mask (Mask), generate the independent mask of the femur.
(3) three-dimensional reconstruction (Calculate 3D) is fitted femoral head, calculates late-segmental collapse point, neck of femur intersection point, stock
The intercondylar central point of bone exports STL formatted file.
Step 2: it is handled the standard three-dimensional femoral model that step 1 obtains to obtain hypostazation model.
Step 1 STL formatted file is inputted into Geomagic software, processing is carried out in Geomagic software and completes model
Optimization obtains hypostazation model, including 7 processes: (1) grid doctor: Geomagic, which has, automatically analyzes mistake (packet in model
Include Singular edges, self intersection, height refraction side, spike, widgets, passage aisle, aperture) and correct function.
(2) quick fairing: can make surface become smooth by fairing, the number of fairing need to depending on model quality,
Overtreating will lead to the loss of information.
(3) curved surface is deleted and is filled, and deletes cortex bone and spongiosa bone model curved inner surface piece after having handled surface.
(4) precise curved surface.
(5) calculate contour line: attention delineates the important informations such as loading surface conducive to subsequent finite element analysis operation.
(6) grid is constructed.
(7) hypostazation model is converted, is exported as STP formatted file.
Step 3, the hypostazation model extraction standard anatomic parameter that step 2 is obtained construct Osteotomy, obtain individual character
Change femoral intertrochanteric rotary osteotomy surgical guide model.
The STP formatted file that step 2 is obtained is imported into Solidworks software, is set in conjunction with clinical operation actual conditions
Three Osteotomies of meter are reference, extract suitable bone face, pass through equidistant, thickening, suture curved surface, combination, segmentation, runners
Entity simultaneously carries out 5 screw way of Kirschner wire arrangement and rotation detent, obtains personalized femoral intertrochanteric rotary osteotomy surgical guide model,
Obtain STL formatted file.
Step 4, the personalized femoral intertrochanteric rotary osteotomy surgical guide model 3D printing that step 4 is obtained obtain a
Property femoral intertrochanteric rotary osteotomy surgical guide.
The preparation method of personalized femoral intertrochanteric rotary osteotomy surgical guide, this method by simple four steps simultaneously
And 3D printing obtains the personalized femoral intertrochanteric rotary osteotomy surgical guide high with femur matching degree, when reducing the waiting of patient
Between.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model rather than to this is practical
The limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, the common skill of this field
Art personnel, which should be appreciated that, can be modified or replaced equivalently technical solutions of the utility model, practical new without departing from this
The spirit and scope of type technical solution.
Claims (8)
1. a kind of personalization femoral intertrochanteric rotary osteotomy surgical guide, it is characterised in that: it is provided with and femur anatomic form
Main body osteotomy positioning guide plate, locating rod and the matched angular amount positioning plate of femur anatomic form and the angular amount device matched；
The main body osteotomy positioning guide plate, locating rod, angular amount positioning plate and angular amount device are respectively absolute construction, the positioning of main body osteotomy
Guide plate and locating rod are detachably assemblied in greater trochanter of femur, angular amount positioning plate and angular amount device by Kirschner wire detachably in being assemblied in
Greater trochanter of femur.
2. a kind of personalized femoral intertrochanteric rotary osteotomy surgical guide according to claim 1, it is characterised in that: it is described
Main body osteotomy positioning guide plate includes the first main body and matched first card slot of femur anatomic form and femur anatomic form
First Kirschner wire tunnel of the second card slot, central axes and the neck of femur axis line overlap matched, for cross cut saw femur osteotomy slot and
Fixation hole for stationary positioned bar；
In the work of main body osteotomy positioning guide plate, it is defined as top closest to the side of human body head, far from greater trochanter of femur
Side definition has left side, and the first card slot is located at the bottom of the first main body, the second card slot is located at the right side of the first main body, fixed
Hole is located at the leading flank of the first main body, and the first Kirschner wire tunnel is located at the left side of the first main body and extends vertically through the first main body.
3. a kind of personalized femoral intertrochanteric rotary osteotomy surgical guide according to claim 2, it is characterised in that: it is described
Osteotomy slot includes osteotomy slot and lesser trochanter osteotomy slot between greater trochanter osteotomy slot, rotor, and greater trochanter osteotomy slot position is in the first main body
Left side, leading flank and with first Kirschner wire tunnel vertical, lesser trochanter osteotomy slot of the osteotomy slot position in the first main body between rotor
Positioned at the first main body leading flank and osteotomy slot intersects vertically between rotor；
Plane where osteotomy slot and lesser trochanter osteotomy slot place plane are mutually hung down between plane, rotor where the greater trochanter osteotomy slot
Directly.
4. a kind of personalized femoral intertrochanteric rotary osteotomy surgical guide according to claim 3, it is characterised in that: it is described
Angular amount positioning plate is provided with the second main body and the matched third card slot of femur anatomic form, central axes and neck of femur central axes weight
Folded the second Kirschner wire tunnel, the zero degree baseline for being positioned with angular amount device angle,
When with the work of angular amount positioning plate, the side far from femur is defined as left side, and the second Kirschner wire tunnel is perpendicular to left side
And running through the second main body, third card slot is abutted far from left side and with femur, and zero degree baseline is located at the left side of the second main body.
5. a kind of personalized femoral intertrochanteric rotary osteotomy surgical guide according to claim 4, it is characterised in that: it is described
Locating rod is provided with convex column and third Kirschner wire tunnel for cooperating with fixation hole, and convex column is located at the end of locating rod one end
End, third Kirschner wire tunnel is located at the end of the locating rod other end.
6. a kind of personalized femoral intertrochanteric rotary osteotomy surgical guide according to claim 5, it is characterised in that: it is described
Angular amount device is provided with the angular amount main body and the 4th Kirschner wire tunnel of cylindrical shape, and the 4th Kirschner wire tunnel is extended vertically through in angular amount master
The center of body；
The surfaces of revolution of the angular amount main body is provided with the angle graduated scale for measuring rotation angle；
The angular amount main body is additionally provided with the clamping part for fixation Kel's needle, and clamping part is integrally formed in the one of angular amount main body
Side；
The clamping part setting buckle and lock section, buckle and lock section are integrally formed in the two sides of clamping part；
The lock section is provided with the ladder-like tongue piece of two panels.
7. a kind of personalized femoral intertrochanteric rotary osteotomy surgical guide according to claim 6, it is characterised in that: it is described
First Kirschner wire tunnel, the second Kirschner wire tunnel, third Kirschner wire tunnel and the 4th Kirschner wire tunnel diameter be respectively 1mm.
8. a kind of personalized femoral intertrochanteric rotary osteotomy surgical guide according to claim 6, it is characterised in that: it is described
Third Kirschner wire tunnel is set as two or more；
The fixation hole and convex column are respectively set to two or more, and convex column and fixation hole correspond respectively.
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|---|---|---|---|
| CN201820593943.3U CN209220408U (en) | 2018-04-23 | 2018-04-23 | A kind of personalization femoral intertrochanteric rotary osteotomy surgical guide |
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| CN201820593943.3U CN209220408U (en) | 2018-04-23 | 2018-04-23 | A kind of personalization femoral intertrochanteric rotary osteotomy surgical guide |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108478251A (en) * | 2018-04-23 | 2018-09-04 | 南方医科大学 | A kind of personalization femoral intertrochanteric rotary osteotomy surgical guide and preparation method thereof |
| CN112022277A (en) * | 2020-09-23 | 2020-12-04 | 经纬医疗器材制造（深圳）有限公司 | Thighbone positioner of adjustable osteotomy volume |
-
2018
- 2018-04-23 CN CN201820593943.3U patent/CN209220408U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108478251A (en) * | 2018-04-23 | 2018-09-04 | 南方医科大学 | A kind of personalization femoral intertrochanteric rotary osteotomy surgical guide and preparation method thereof |
| CN108478251B (en) * | 2018-04-23 | 2024-03-12 | 南方医科大学 | Individualized rotary osteotomy operation guide plate between femur rotors and preparation method thereof |
| CN112022277A (en) * | 2020-09-23 | 2020-12-04 | 经纬医疗器材制造（深圳）有限公司 | Thighbone positioner of adjustable osteotomy volume |
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