CN110141299A - A kind of cutting neck of femur rotary head hip-preserving surgery device - Google Patents
A kind of cutting neck of femur rotary head hip-preserving surgery device Download PDFInfo
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- CN110141299A CN110141299A CN201910522000.0A CN201910522000A CN110141299A CN 110141299 A CN110141299 A CN 110141299A CN 201910522000 A CN201910522000 A CN 201910522000A CN 110141299 A CN110141299 A CN 110141299A
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- 210000000689 upper leg Anatomy 0.000 title claims abstract description 134
- 238000001356 surgical procedure Methods 0.000 title claims abstract description 36
- 210000000527 greater trochanter Anatomy 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000010146 3D printing Methods 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 24
- 210000000988 bone and bone Anatomy 0.000 claims description 10
- 208000035965 Postoperative Complications Diseases 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 241000272814 Anser sp. Species 0.000 description 4
- 230000017074 necrotic cell death Effects 0.000 description 4
- 238000002266 amputation Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000002391 femur head Anatomy 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 241001661355 Synapsis Species 0.000 description 1
- 206010044074 Torticollis Diseases 0.000 description 1
- 210000001188 articular cartilage Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000000502 fovea capitis femoris Anatomy 0.000 description 1
- 210000001981 hip bone Anatomy 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 208000018197 inherited torticollis Diseases 0.000 description 1
- 210000000528 lesser trochanter Anatomy 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000968 medical method and process Methods 0.000 description 1
- 230000001338 necrotic effect Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 210000001694 thigh bone Anatomy 0.000 description 1
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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1732—Guides or aligning means for drills, mills, pins or wires for bone breaking devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
- A61B17/1742—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip
- A61B17/1746—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip for the acetabulum
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/067—Measuring instruments not otherwise provided for for measuring angles
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Dentistry (AREA)
- Physical Education & Sports Medicine (AREA)
- Transplantation (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
A kind of cutting neck of femur rotary head hip-preserving surgery device, including positioning rotating shaft, greater trochanter osteotomy guide holder, cutting neck of femur guide holder, rotation angle goniometer and rotary indicator；Greater trochanter osteotomy guide holder and cutting neck of femur guide holder are made and corresponding with patient femur's shape by 3D printing technique, and the location hole coaxial with femoral head theory axle center is provided on them.It when being performed the operation, is positioned first with greater trochanter osteotomy guide holder, then pierces positioning rotating shaft along axis direction, be then switched off neck of femur, rotation angle goniometer and rotary indicator is recycled to carry out quantitative rotation to femoral head.In the course of surgery, positioning rotating shaft is set on neck of femur and femoral head always, accurate positioning is provided to the rotation of femoral head, significantly reduce the difficulty of surgical procedure, accuracy, safety and the success rate of surgical procedure are improved with timeliness, and operating time is shortened, significantly reduce the incidence of postoperative complications.
Description
Technical field
The present invention relates to medical operating tools, more particularly to a kind of dress for carrying out cutting neck of femur rotary head hip-preserving surgery
It sets.
Background technique
Femur is maximum long bone in human body, as shown in Figure 1, integrated both ends can be divided into, i.e. intermediate shaft of femur 100
With the end for being located at shaft of femur both ends, the top of femur is femoral head 400 spherical in shape, the thinner portion of outer side-lower of femoral head
It is divided into neck of femur 300, has a upward protuberance for greater trochanter 500 on the outside of neck of femur and shaft of femur intersection, also known as greater trochanter,
Lesser protuberance is lesser trochanter 200, also known as small tuberosity below greater trochanter.
Femoral head 400 is located at the top of femur, and its top it is micro- after have the alveole for being known as fovea of head of femur, be femoral head
At ligament attachment, femoral head can be thus to obtain a small amount of blood supply；Meanwhile femoral head is connected and supported in hipbone joint, one side
Face needs walking, activity, labour to human body etc. to provide a supporting role, and on the other hand articular cartilage is covered thereon and completely
Lid, so that becoming human body is relatively easy to impaired position, such as caput femoris necrosis.Caput femoris necrosis generally betides femoral head
Bear a heavy burden region, when bear a heavy burden Field necrosis when local collapse can occur, lead to the huge feeling of pain of human body generation, or even can not go
It walks.
In view of the above-mentioned problems, existing medical method is to cut off neck of femur, femoral head is then rotated and by femoral head
It rotates at necrosis to non-weight bearing region, so that it is made to avoid continuing pressure-bearing and self-rehabilitation, meanwhile, by the intact portion on femoral head
It is allocated as enabling people to proper motion for new weight bearing region.304 hospital of Beijing proposes Improving ways on this basis,
It is sufficiently loosened near end of thighbone soft tissue flap by surgery approach of dislocating, while carrying out base of nebk ot femur rotary ostectomy, purpose
It is the femoral head blood fortune that adequately protects, obtains better clinical effectiveness.But current all operation methods, are all inevitably present
One problem, that is, can not effective position neck of femur axle center and control its and rotate angle, this be also in entire operation most
Key component.Positioning for the axle center of neck of femur at present and the control for rotating angle, depend on the personal experience of doctor
Judge with naked eyes, this aspect causes to need repeatedly to be adjusted and attempted in operation, and operation difficulty is high, operation precision
It is low；On the other hand, error probability it is higher, and if deviate, it will easily lead to femoral head and torticollis phenomenon occur, after causing
Phase fracture, sclerotin collapse, necrotic zone expands the severe complications such as deterioration.
Summary of the invention
The axle center of neck of femur can be accurately positioned the purpose of the present invention is to provide one kind and control femoral head rotation angle
Cutting neck of femur rotary head hip-preserving surgery device improves the accuracy of surgical procedure to reduce surgical procedure difficulty.
Cutting neck of femur rotary head hip-preserving surgery device of the present invention, including positioning rotating shaft, cutting neck of femur guide holder,
Rotate angle goniometer and rotary indicator；The positioning rotating shaft passes through the theoretical axle center of neck of femur and femoral head；Cutting neck of femur
Guide holder includes being set to greater trochanter backwards to the neck of femur positioning plate of femoral head side and the stock being connected on neck of femur positioning plate
Bone neck osteotomy guide plate, the neck of femur location hole passed through for positioning rotating shaft is provided on neck of femur positioning plate, and cutting neck of femur guide plate is flat
For row in the axis direction of positioning rotating shaft, the end of cutting neck of femur guide plate is opposite with neck of femur and is provided with the stock of connection two sides thereon
Bone neck osteotomy guide groove；Rotating angle goniometer includes measurement plate, and the measuring appliance positioning passed through for positioning rotating shaft is provided in measurement plate
Hole, along indicating graduation mark by the arcuate directions in the center of circle of measuring appliance location hole in measurement plate；The middle part of rotary indicator and measurement plate
Graduation mark it is opposite, and one end of rotary indicator is placed on positioning rotating shaft and the other end is provided with the pilot hole for being directed toward femoral head.
The cutting neck of femur rotary head hip-preserving surgery device, there are also greater trochanter osteotomy guide holders, including are set to big thick
The grand greater trochanter positioning plate backwards to femoral head side and the greater trochanter osteotomy guide plate for being set to greater trochanter side, greater trochanter positioning plate
On be provided with the axis of rotation location hole passed through for positioning rotating shaft, place opposite with greater trochanter top is provided with company on greater trochanter osteotomy guide plate
The greater trochanter osteotomy guide groove of logical two sides.
Cutting neck of femur rotary head hip-preserving surgery device of the present invention, first scans the femur shape of patient, and calculates
Then the greater trochanter osteotomy guiding being adapted with patient is produced in the theoretical axle center of neck of femur and femoral head by 3D printing technique
Seat and cutting neck of femur guide holder, and each components and the shape of femur contact position are consistent with femur, make each components can be with
Femur is bonded to each other to form positioning, and the axis of rotation location hole on greater trochanter osteotomy guide holder and cutting neck of femur guide holder with
Neck of femur location hole and the theoretical axle center of patient femur's neck and femoral head are coaxial；Then, by greater trochanter osteotomy guide holder along stern
Flesh rear is moved to femoral greater trochanter rear, and is bonded to each other the inside of greater trochanter osteotomy guide holder with greater trochanter surface, this
When, the greater trochanter osteotomy guide groove on greater trochanter osteotomy guide holder will be opposite with the top that greater trochanter is cut；And then, it is cut along greater trochanter
Axis of rotation location hole on bone guide holder pierces the theoretical axle center weight of positioning rotating shaft, positioning rotating shaft and neck of femur and femoral head
It closes；Then, using goose saw along the top of greater trochanter osteotomy guide groove amputation greater trochanter；Subsequently, along positioning rotating shaft by greater trochanter
Osteotomy guide holder takes out, and is inserted in cutting neck of femur guide holder along positioning rotating shaft again after taking-up；Then, small goose saw is inserted into neck of femur
The cutting neck of femur guide groove of osteotomy guide holder, then neck of femur is circumferentially gradually truncated；After the completion of being truncated, taken along positioning rotating shaft
Cutting neck of femur guide holder out is inserted in rotation angle goniometer and rotary indicator along positioning rotating shaft again after taking-up, and surveys rotation angle
Measuring device fits with femur bone face；Then, Kirschner wire is passed through into the pilot hole on rotary indicator, and pierces the end of Kirschner wire
Femoral head；Subsequently, femoral head is rotated to set angle according to the graduation mark on rotation angle goniometer；Finally, removing neck of femur
The each components and Kirschner wire of osteotomy rotary head hip-preserving surgery device, the method resected femur for reusing the prior art can be completed
Operation.In the surgical procedure, positioning rotating shaft is set to always on the theoretical axle center of neck of femur and femoral head, is turned to femoral head
It is dynamic to provide accurate positioning, it reduces greatly the difficulty of surgical procedure and reduce the dependence to doctors experience, eliminates
Because of surgical effect difference caused by doctor individual skill difference, while the accuracy of surgical procedure, peace are effectively increased again
Full property and success rate, shorten operating time, also significantly reduce the incidence of postoperative complications；Pass through making for the device
With, traditional operation is evolved into quantization, standardized precise manipulation, in operative doctor art quickly, be accurately positioned provide
A kind of new method reduces the difference of such surgical technic of different medical mechanism level, thus to a certain extent, to solve me
State because of Medical problems such as the concentrations of medical resource caused by difference of technology level, provides a new approaches at present.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of femur.
Fig. 2 is the use state diagram of positioning rotating shaft and greater trochanter osteotomy guide holder on femur.
Fig. 3 is use state diagram of the cutting neck of femur guide holder on femur.
Fig. 4 is the use state diagram for rotating angle goniometer and rotary indicator on femur.
Fig. 5,6 be greater trochanter osteotomy guide holder structural schematic diagram.
Fig. 7 is the structural schematic diagram of cutting neck of femur guide holder.
Fig. 8,9 are the structural schematic diagrams for rotating angle goniometer.
Figure 10 is the structural schematic diagram of rotary indicator.
Figure 11 is the use state diagram for rotating angle goniometer and two rotary indicators.
Specific embodiment
A kind of cutting neck of femur rotary head hip-preserving surgery device, including positioning rotating shaft 1, greater trochanter osteotomy guide holder 2, neck of femur
Osteotomy guide holder 3, rotation angle goniometer 4 and rotary indicator 5；The positioning rotating shaft passes through the theoretical axis of neck of femur and femoral head
The heart；Greater trochanter osteotomy guide holder includes being set to greater trochanter backwards to the greater trochanter positioning plate 21 of femoral head side and being set to big thick
The greater trochanter osteotomy guide plate 22 of grand side is provided with the axis of rotation location hole 23 passed through for positioning rotating shaft on greater trochanter positioning plate,
Place opposite with greater trochanter top is provided with the greater trochanter osteotomy guide groove 24 of connection two sides on greater trochanter osteotomy guide plate；Cutting neck of femur
Guide holder includes being set to greater trochanter backwards to the neck of femur positioning plate 31 of femoral head side and being connected on neck of femur positioning plate
Cutting neck of femur guide plate 32 is provided with the neck of femur location hole 33 passed through for positioning rotating shaft, cutting neck of femur on neck of femur positioning plate
Guide plate is parallel to the axis direction of positioning rotating shaft, and the end of cutting neck of femur guide plate is opposite with neck of femur and is provided with connection two thereon
The cutting neck of femur guide groove 34 of side；Rotating angle goniometer includes measurement plate 41, is provided in measurement plate and passes through for positioning rotating shaft
Measuring appliance location hole 42, along indicating graduation mark 43 by the arcuate directions in the center of circle of measuring appliance location hole in measurement plate；Rotary indicator
Middle part it is opposite with the graduation mark of measurement plate, and one end of rotary indicator is placed on positioning rotating shaft and the other end is provided with direction femur
The pilot hole 53 of head.
When being performed the operation using cutting neck of femur rotary head hip-preserving surgery device of the present invention, the stock of patient is first scanned
Bone shape, and the theoretical axle center of neck of femur and femoral head is calculated, it is then produced by 3D printing technique and is adapted with patient
Greater trochanter osteotomy guide holder, cutting neck of femur guide holder, rotation angle goniometer and rotary indicator, and each components connect with femur
The shape of synapsis is consistent with femur, makes each components that can be bonded to each other to form positioning with femur, and greater trochanter osteotomy guide holder
With the theory of axis of rotation location hole and neck of femur location hole and patient femur's neck and femoral head on cutting neck of femur guide holder
Axle center is coaxial；Then, greater trochanter osteotomy guide holder is moved to femoral greater trochanter rear along gluteus medius rear, and cuts greater trochanter
The inside of bone guide holder is bonded to each other with greater trochanter surface, at this point, the greater trochanter osteotomy guide groove on greater trochanter osteotomy guide holder
The top cut with greater trochanter is opposite；And then, the axis of rotation location hole on greater trochanter osteotomy guide holder pierces positioning rotating shaft,
Positioning rotating shaft is overlapped with the theoretical axle center of neck of femur and femoral head, as shown in Figure 2；Then, it is led using goose saw along greater trochanter osteotomy
To the top of slot amputation greater trochanter；Subsequently, greater trochanter osteotomy guide holder is taken out along positioning rotating shaft, is turned again along positioning after taking-up
Axle sleeve enters cutting neck of femur guide holder, and makes Slope Facies pair on the outside of neck of femur positioning plate and greater trochanter；Then, small goose saw 6 is inserted
The cutting neck of femur guide groove for entering cutting neck of femur guide holder, as shown in figure 3, neck of femur is circumferentially gradually truncated again；Wait be truncated
After the completion, cutting neck of femur guide holder is taken out along positioning rotating shaft, is inserted in rotation angle goniometer and rotation along positioning rotating shaft again after taking-up
Turn pointer, and rotation angle goniometer is made to fit with femur bone face；Then, the fixed material of the elongated orthopaedics such as such as Kirschner wire 7 is utilized
Pilot hole on rotary indicator, and the end of Kirschner wire is made to pierce femoral head, as shown in Figure 4；Subsequently, according to rotation angle
Graduation mark on measuring appliance rotates femoral head to set angle；Finally, removing each of cutting neck of femur rotary head hip-preserving surgery device
Operation can be completed in a components and Kirschner wire, the method resected femur for reusing the prior art.
The cutting neck of femur rotary head hip-preserving surgery device, on the greater trochanter positioning plate 21 of greater trochanter osteotomy guide holder 2
Backwards to the side of femoral head and rotation angle on the side of femoral head, the neck of femur positioning plate 31 of cutting neck of femur guide holder 3
The measurement plate 41 of measuring appliance 4 is outward extended with guide post 8 respectively, is provided in guide post for positioning rotating shaft 1 towards the side of femur
The axis hole passed through, and neck of femur location hole on the axis of rotation location hole 23 of axis hole and greater trochanter positioning plate, neck of femur positioning plate
33 or measurement plate on measuring appliance location hole 42 it is coaxial.By the setting of guide post, greater trochanter osteotomy guide holder, stock can be improved
Bone neck osteotomy guide holder and rotation angle goniometer are to the guiding and position-limiting action of positioning rotating shaft, to improve the work of positioning rotating shaft
Stability and operation accuracy.
It rotates and is provided with location hole in the measurement plate of angle goniometer and indicates graduation mark, graduation mark is arranged along arc direction, arc
Plane where line is perpendicular to the axis of location hole, and the center of circle of camber line is located on the axis of location hole.Measurement plate 41 is sector, and
Middle part is provided with form 44, to reduce the weight of rotation angle goniometer, and confirms rotary indicator position；In addition, graduation mark 43 can be with
It is set on the outside of fan-shaped camber line edge, also can be set in measurement plate 41 in the plate face of femoral head side, this is conducive to
The reading of numerical value；In addition, measurement plate 41 is outward extended with two root posts 45, two columns difference in the plate face of femoral head side
It is set to the outside at 43 both ends of graduation mark and is not located on the arc direction of graduation mark, limit is connected between the top of two columns
Bar 46, gag lever post 46 is arc, and the center of circle of arc is located on the axis of measurement plate location hole 42, the plate of limit plate and measurement plate
There are the gaps passed through for rotary indicator 5 between face, this makes gag lever post be close to graduation mark setting, on the one hand to rotary indicator shape
At limit, prevents rotary indicator from shaking the accuracy for generating error, and guaranteeing femoral head rotation, on the other hand can guarantee to revolve again
Turn the convenience read between pointer and graduation mark.
Rotary indicator 5 is L shape, and the lantern ring 51 being placed on positioning rotating shaft 1 is arranged in one end, to guarantee rotary indicator and positioning
The other end of the cooperation precision and job stability of shaft, rotary indicator 5 is opposite with femoral head and is equipped with guide ring 52, pilot hole
53 are set on guide ring, to be preferably oriented to and be positioned to Kirschner wire；In addition, the side of guide ring 52 is provided with notch
54, and the diameter for being dimensioned slightly smaller than positioning rotating shaft 1 of notch, guide ring are circle, notch thereon accounts for about one of three parts, this makes
Guide ring can be caught in from the indentation, there of guide ring by way of extruding or exit guide ring by obtaining positioning rotating shaft, in surgical procedure
In can then Kirschner wire be made to pierce femoral head after, then the guide ring of rotary indicator is inserted on Kirschner wire, then drives Kirschner wire again
Femoral head rotation is driven, to improve the convenience of surgical procedure.
The cutting neck of femur rotary head hip-preserving surgery device, have two described in rotary indicator 5, the one of two rotary indicators
End is successively placed on positioning rotating shaft 1, and the guide ring notch 54 of two rotary indicators is respectively arranged at the opposite side of two guide rings 52.
After neck of femur is truncated and Kirschner wire is pierced femoral head, a wherein rotation is selected in the direction that can need rotate according to femoral head
Pointer is not only convenient for the connection of rotary indicator and Kirschner wire, but also can be led to avoid because the notch of direction of rotation and guide ring is in the same direction
Kirschner wire and rotary indicator is caused to be detached from, to further increase the convenience of surgical procedure.
Claims (10)
1. a kind of cutting neck of femur rotary head hip-preserving surgery device, it is characterised in that: led including positioning rotating shaft (1) cutting neck of femur
To seat (3), rotation angle goniometer (4) and rotary indicator (5)；Cutting neck of femur guide holder includes being set to greater trochanter backwards to femur
The neck of femur positioning plate (31) of first side and the cutting neck of femur guide plate (32) being connected on neck of femur positioning plate, neck of femur positioning
The neck of femur location hole (33) passed through for positioning rotating shaft is provided on plate, cutting neck of femur guide plate is parallel to the axis side of positioning rotating shaft
To the end of cutting neck of femur guide plate is opposite with neck of femur and is provided with the cutting neck of femur guide groove (34) of connection two sides thereon；
Rotating angle goniometer includes measurement plate (41), and the measuring appliance location hole (42) passed through for positioning rotating shaft is provided in measurement plate, is measured
Edge indicates graduation mark (43) by the arcuate directions in the center of circle of measuring appliance location hole on plate；The middle part of rotary indicator and the quarter of measurement plate
Spend that line is opposite, and one end of rotary indicator is placed on positioning rotating shaft and the other end is provided with the pilot hole (53) for being directed toward femoral head.
2. cutting neck of femur rotary head hip-preserving surgery device according to claim 1, it is characterised in that: there is greater trochanter osteotomy to lead
To seat (2), including being set to greater trochanter backwards to the greater trochanter positioning plate (21) of femoral head side and being set to greater trochanter side
Greater trochanter osteotomy guide plate (22) is provided with the axis of rotation location hole (23) passed through for positioning rotating shaft on greater trochanter positioning plate, big thick
Place opposite with greater trochanter top is provided with the greater trochanter osteotomy guide groove (24) of connection two sides on grand osteotomy guide plate.
3. cutting neck of femur rotary head hip-preserving surgery device according to claim 2, it is characterised in that: greater trochanter osteotomy guiding
Side on the greater trochanter positioning plate (21) of seat (2) backwards to femoral head is outward extended with guide post (8), is provided in guide post for fixed
The axis hole that position shaft (1) passes through, and the axis of rotation location hole (23) of axis hole and greater trochanter positioning plate is coaxial.
4. cutting neck of femur rotary head hip-preserving surgery device according to claim 1, it is characterised in that: cutting neck of femur guiding
Side on the neck of femur positioning plate (31) of seat (3) backwards to femoral head is outward extended with guide post (8), is provided in guide post for fixed
The axis hole that position shaft (1) passes through, and axis hole and neck of femur location hole (33) on neck of femur positioning plate are coaxial.
5. cutting neck of femur rotary head hip-preserving surgery device according to claim 1, it is characterised in that: rotation angle goniometer
(4) side of measurement plate (41) towards femur is outward extended with guide post (8), is provided in guide post and is worn for positioning rotating shaft (1)
The axis hole crossed, and axis hole and the measuring appliance location hole (42) in measurement plate are coaxial.
6. according to claim 1, cutting neck of femur rotary head hip-preserving surgery device described in 2 or 5, it is characterised in that: measurement plate
(41) it is outward extended with two root posts (45) in the plate face of femoral head side, two columns are respectively arranged at graduation mark (43) two
The outside at end and not positioned at graduation mark arc direction on, be connected between the top of two columns gag lever post (46), limit plate with
There are the gaps passed through for rotary indicator (5) between the plate face of measurement plate.
7. cutting neck of femur rotary head hip-preserving surgery device according to claim 6, it is characterised in that: gag lever post (46) is arc
Shape, and the center of circle of arc is located on the axis of measurement plate location hole (42).
8. cutting neck of femur rotary head hip-preserving surgery device according to claim 1 or 2, it is characterised in that: rotary indicator (5)
For L shape, the lantern ring (51) being placed on positioning rotating shaft (1) is arranged in one end, and the other end of rotary indicator (5) is opposite with femoral head simultaneously
Equipped with guide ring (52), pilot hole (53) is set on guide ring, and the side of guide ring (52) is provided with notch (54), and notch
Size is less than the diameter of positioning rotating shaft (1).
9. cutting neck of femur rotary head hip-preserving surgery device according to claim 8, it is characterised in that: rotation described in having two
Turn pointer (5), one end of two rotary indicators is successively placed on positioning rotating shaft (1), the guide ring notch (54) point of two rotary indicators
It is not set at the opposite side of two guide rings (52).
10. cutting neck of femur rotary head hip-preserving surgery device according to claim 2, it is characterised in that: greater trochanter osteotomy is led
It is made to seat (2) and cutting neck of femur guide holder (3) by 3D printing technique, greater trochanter osteotomy guide holder and neck of femur are cut
The inside of bone guide holder fits with patient femur's shape, axis of rotation location hole (23) and neck of femur location hole (33) with trouble
The theoretical axle center of person's neck of femur and femoral head is coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910522000.0A CN110141299B (en) | 2019-06-17 | Femur neck osteotomy head-turning hip-protection operation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910522000.0A CN110141299B (en) | 2019-06-17 | Femur neck osteotomy head-turning hip-protection operation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110141299A true CN110141299A (en) | 2019-08-20 |
| CN110141299B CN110141299B (en) | 2024-06-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111110313A (en) * | 2020-01-13 | 2020-05-08 | 陈立军 | Osteotomy navigation tool for trochanter-shaped artificial femoral head replacement |
| CN114748127A (en) * | 2022-06-14 | 2022-07-15 | 北京爱康宜诚医疗器材有限公司 | Femoral neck osteotomy positioning device |
Citations (9)
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| CN114748127A (en) * | 2022-06-14 | 2022-07-15 | 北京爱康宜诚医疗器材有限公司 | Femoral neck osteotomy positioning device |
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