CN107961056A - A kind of line of force measurement angle positioner for knee joint peripheral osteotomy - Google Patents
A kind of line of force measurement angle positioner for knee joint peripheral osteotomy Download PDFInfo
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- CN107961056A CN107961056A CN201711195044.4A CN201711195044A CN107961056A CN 107961056 A CN107961056 A CN 107961056A CN 201711195044 A CN201711195044 A CN 201711195044A CN 107961056 A CN107961056 A CN 107961056A
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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
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- 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
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- 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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Abstract
The present invention provides a kind of line of force measurement angle positioner for knee joint peripheral osteotomy, which includes can angulation line of force measurement bar, fixation kit, support pin and clamping plate bearing；Can angulation line of force measurement bar include fixed link, the first motion bar and the second motion bar；One surface of fixation kit and one end of fixed link connect, and are flexibly connected on fixation kit positioned at fixed link with the opposite face of fixation kit joint face with one end of the first motion bar, and the other end of the first motion bar is pivotally connected by pivotal axis and the second motion bar；Support pin is fixed on clamping plate bearing through the femur or shin bone of human body lower limbs and both ends；Fixation kit is located above lower limb and is flexibly connected with clamping plate bearing.Beneficial effects of the present invention are：Product operation is simple, easy to use, reliable and stable；Operating time is shortened, the orthopedic accuracy of osteotomy is added, greatly reduces fluoroscopy during operation number and amount of radiation, patient is avoided and doctor receives more radiation and influences health.
Description
Technical field
The invention belongs to the field of medical instrument technology, more particularly to a kind of line of force for knee joint peripheral osteotomy measures angle
Spend positioner.
Background technology
Clinically with gonalgia patient compared with mostly early stage osteoarthritis with the situation of knee joint Varus deformity.
Since patient is congenital or posteriori factor, proximal tibia articular surface or distal femur articular surface cause knee with respect to normal person's varus
Joint is in Varus deformity, so that the lower limb line of force, that is, weight weight-bearing line is by holding, inner side knee joint when bearing a heavy burden on the inside of knee joint
By larger stress, bear after level that then joint degeneration accelerates more than physiology, further aggravate knee joint varus, cause pernicious follow
Ring.Line of the femoral head midpoint to ankle-joint midpoint when the lower limb line of force is located in front of lower limb for lower limb neutral position, that is, kneecap.Normally
The lower limb line of force of people generally goes through knee joint midpoint, therefore for the not serious knee joint varus patient of early stage joint degeneration, can
To correct the lower limb line of force by the osteotomy to proximal tibia or distal femur, knee joint midpoint or slightly inclined outside are located at
Position so that the stress born on the inside of scattered knee joint, improves patient symptom.
At present, measurement during operation for the lower limb line of force is needed using a longer metallic rod and under radioscopy
Carry out.Ensureing lower limb neutral position, that is, when kneecap is located at knee joint middle position under having an X-rayed, metallic rod be placed in above the lower limb of side,
Its one end is set then to observe it under x-ray fluoroscopy by ankle-joint midpoint by femoral head midpoint, one end and pass through kneed position
Put, so as to judge whether the orthopedic angle of osteotomy is suitable.Clinically due to not corresponding fixing device, it usually needs two doctors
Raw operation, a doctor, which buttresses patient legs, makes it maintain a neutral position, and adjusting metallic rod distal end under fluoroscopy makes it pass through ankle
Joint midpoint, another doctor adjustment metallic rod near-end make it pass through femoral head midpoint.
When carrying out osteotomy operation to proximal tibia or distal femur, it is necessary first to insert Kirschner wire under x-ray fluoroscopy and sentence
Disconnected osteotomy line, then adjusts the lower limb line of force after osteotomy by open or closed osteotomy end, needs repeatedly perspective to judge to put at this time
Whether the whether suitable and orthopedic osteotomy angle of pin position is accurate, therefore doctor is repeatedly exposed to X-ray by inevasible
Under radiation.Due to the hand steered limbs of doctor or metallic rod, so as to can not ensure absolute stability, therefore the accuracy of measurement is influenced, and
And repeatedly x-ray fluoroscopy will greatly prolong operating time, influence the operation safety of patient.In addition, x-ray fluoroscopy process also can be significantly
Increase patient and operative doctor are subject to the dosage of radio radiation, influence their health.
However, the prior art does not have corresponding device auxiliary to complete these operations, an invention is special disclosed in application at present
Profit, Application No. 201710142181.5, a kind of line of force locator for High Tibial Osteotomy, according to the description of specification
It can solve to need doctor to hold line of force measuring piece in existing High Tibial Osteotomy to carry out positioning work, influence High Tibial and cut
The accuracy of bone art and increase suffered by operative doctor radiological dose and influence the problem of clinician body is healthy.But in describing simultaneously
Do not refer to the method for how controlling lower limb neutral position, therefore 1 doctor auxiliary control lower limb outward rotation is still needed in art.In addition the dress
The fixation put with limbs is not definitely firm, is both needed to reposition every time after limbs movement in art, and operation is cumbersome, and this is fixed
Position device is only used for the lower limb line of force, and without other derivation functions, the scope of application is limited.
The content of the invention
In order to solve the above technical problem, the present invention provides a kind of line of force measurement angle for knee joint peripheral osteotomy
Positioner.
Concrete technical scheme of the present invention is as follows：
A kind of line of force measurement angle positioner for knee joint peripheral osteotomy, which includes can the angulation line of force
Measurement bar, fixation kit, support pin and clamping plate bearing；
It is described can angulation line of force measurement bar include fixed link, the first motion bar and the second motion bar；The fixation kit
One surface is connected with one end of the fixed link, positioned at the fixed link and the fixation kit joint face on the fixation kit
Opposite face be flexibly connected with one end of first motion bar, the other end of first motion bar by pivotal axis with it is described
Second motion bar is pivotally connected；Relatively described first motion bar of second motion bar can horizontal hunting, first motion bar is opposite
The fixed link can horizontal hunting；
The support pin is fixed on the clamping plate bearing through the femur or shin bone of human body lower limbs and both ends；The fixation
Component is located above lower limb and is flexibly connected with the clamping plate bearing.
Further, the clamping plate bearing is U-shaped structure, and the clamping plate bearing includes the first vertical plate, the second vertical plate
With the level board for connecting first vertical plate and second vertical plate；
The first vertical plate vertical direction is equipped with the first vertical chute, and first vertical chute is vertical described first
Penetrate through first vertical plate on vertical plate and the second vertical plate direction, position at the one end open of first vertical chute
In the top surface of first vertical plate；The first vertical plate horizontal direction be equipped with spacing it is equal and with first vertical chute
Some first level sliding slots intersected, the first level sliding slot is in vertical first vertical plate and the second vertical plate side
First vertical plate is penetrated through upwards；It is located on the first vertical plate inner surface above the first level sliding slot and is located at institute
State the first vertical chute both sides and be articulated with least two supporting rods；
It is perpendicular that second vertical plate is equipped with corresponding with first vertical chute and the first level sliding slot second
Straight runner and the second horizontal concrete chute, are additionally provided with the support card slot being mutually clamped with the supporting rod on second vertical plate；
Preferably, salient point is equipped with the support card slot, chamfering is equipped with the support card channel opening.
Further, the support wire surface is carved with the graduated scale symmetrical on the support pin radial central axis
Line；The both ends of the support pin are respectively engaged with first vertical chute and second vertical chute, and the support
Pin is free to slide along first vertical chute and second vertical chute；
Preferably, the both ends of the support pin are also socketed with buckle；The buckle inner surface is covered with antislip ring.
Further, the first level sliding slot and second horizontal concrete chute are installed with support tabs, the support
Pin is fixed in the support tabs；
Preferably, the support tabs are wedge structure, and block is provided with one of inclined-plane of the support tabs.
Further, the fixation kit includes base and is connected to the fixed station of the base upper surface；
Domed cavity is equipped with the fixed station, the cavity is through first motion bar and the fixation kit
Joint face, the maximum gauge of the cavity is smaller than positioned at the maximum of the notch of the cavity on face；The sky
The plane of chamber is bonded parallel to the base, and with the base；
The switch block that coordinates with the cavity and can horizontally rotate, the switch block and the described first activity are equipped with the cavity
Bar connects, and first motion bar can horizontally rotate along the central shaft of the switch block；
The side of the fixed station is provided with the tapped through hole connected with the cavity, and switch block is connected with the tapped through hole
Locking nut；
It is connected on the fixed station positioned at the opposite surface of first motion bar with one end of the fixed link；
The base upper surface, which is located at below the horizontal direction symmetry axis of the base, is carved with angle scale；
The base lower surface is provided with the fixture block worn and connect the supporting rod, is provided with the fixture block and matches somebody with somebody with the supporting rod
The support rod through-hole of conjunction, the support rod through-hole are connected with support stem jam nut；The fixation kit by the fixture block with
The supporting rod coordinates to be connected with the clamping plate bearing sliding.
Further, it is provided with first motion bar directly over the angle scale through the described first activity
Bar to marking hole, be provided with laser generator in described pair of mark hole, the laser beam and described first of the laser generator transmitting
The axial centre overlapping of axles of motion bar.
Further, first motion bar is equipped with the tapped through hole coordinated with the pivotal axis；First activity
In axial direction being recessed close to the end face of one end of second motion bar on bar has pivot joint cavity, and the pivot joint cavity edge is horizontal
Direction penetrates through first motion bar, and the pivot joint cavity is connected with the tapped through hole；
On the pivot joint cavity interior walls pit is equipped with close to the endface；
Described second motion bar one end be equipped with it is described pivot joint cavity coordinate pivot joint convex block, it is described pivot joint convex block be provided with
The pivot through hole that the pivotal axis coordinates；The protrusion coordinated with the pit is additionally provided with the pivot joint convex block；
In the pit and the male cooperation, the axial centre axis of first motion bar and second motion bar
Axial centre overlapping of axles.
Further, on first motion bar ring-type angle being detachably connected is provided with above the pivotal axis
Ruler.
Further, the pivotal axis is equipped with axially extending bore, the central shaft of the axially extending bore with the pivotal axis
Mandrel overlaps.
Further, above second motion bar slide is equipped with along the length direction of second motion bar；
Preferably, the one end of the slide away from pivot joint is equipped with limited block；
Preferably, the slide upper surface be located at the ring-type bevel protractor marking line be arranged right below observation leading line；
The symmetrical overlapping of axles of the observation leading line and the slide；
Sliding block is combined with the slide, sliding block tapped through hole is provided with the sliding block；
Osteotomy line locator is equipped with above the sliding block, the upper surface bottom of the osteotomy line locator, which is provided with, wears connection
Hole；The osteotomy line locator by with the sliding block tapped through hole and it is described wear connect hole coordinate press closer nut and the cunning
Block connects；
The osteotomy line locator is L-type structure, and the osteotomy line locator includes horizontal part and vertical portion；The water
Some development bars are embedded with along the length direction equi-spaced apart of the horizontal part in flat portion, the development bar runs through the horizontal part
Upper and lower surface, the symmetrical overlapping of axles of the symmetry axis line and the horizontal part of some development bars；
Preferably, the material of the osteotomy line locator and the development bar is X-ray perspective material, and described aobvious
The density of material of shadow stripe is more than the density of material of the osteotomy line locator；
Preferably, the vertical portion is vertically provided with word order and through some of the vertical portion surfaces externally and internally
Kirschner wire guide hole, the floor projection of some Kirschner wire guide holes are overlapped with the development dotted line of some development bars；Institute
State and be provided with observation through hole above the Kirschner wire guide hole on vertical portion.
Beneficial effects of the present invention are as follows：
1st, by supporting the fixation of pin and clamping plate bearing, convenient to control patient's lower limb to be located at neutral position, line of force measurement bar is led to
Cross fixation kit with clamping plate bearing to be connected, substantially increase the stability of line of force measurement bar, be able to can be had an X-rayed without hand steered
Lower line of force measurement.
2nd, line of force measurement bar for can angulation design, the angulation number of degrees can determine that by external dial, improve osteotomy in art and rectify
The accuracy of shape, and it is adapted in different angle knee joint patient and surgical procedure patient legs along the rotating feelings of the lower limb line of force
Condition, expands the use scope of the product.
3rd, line of force measurement bar determine after anchor point before osteotomy starts can angulation place, stretch and put after the completion of osteotomy is orthopedic
Put and matched with original site, can judge whether osteotomy is orthopedic suitable by measurement bar without perspective in art, without weight
New definition, greatly reduces fluoroscopy during operation number and amount of radiation, shortens operating time, improves the operation safety of patient,
Avoid patient and doctor receives more amount of radiation so as to the problem of influencing health.
4th, measurement bar coordinates osteotomy line locator, and it is auxiliary to insert Kirschner wire by guide hole after the lower definite positioning osteotomy line of perspective
Osteotomy is helped, further increases the orthopedic accuracy of osteotomy, favourable guarantee is provided for the implementation of bone-culting operation.
5th, the present invention ensures that the accurate of bone-culting operation is implemented by mechanical structure, and easy to operate, easy to use, stabilization can
Lean on.
Brief description of the drawings
Fig. 1 is the structure diagram of the line of force measurement angle positioner for knee joint peripheral osteotomy；
Fig. 2 is can angulation line of force measurement bar and the partial enlarged view of fixation kit cooperation；
Fig. 3 is the right view of Fig. 2；
Fig. 4 is can angulation line of force measurement bar and the partial enlarged view of osteotomy line locators；
Fig. 5 is the left view of Fig. 4；
Fig. 6 is the partial sectional view of the first motion bar；
Fig. 7 is the partial sectional view of the second motion bar；
Fig. 8 is the structure diagram of osteotomy line locator；
Fig. 9 is clamping plate bearing with supporting the structure diagram that pin coordinates；
Figure 10 is the top view of clamping plate bearing；
Figure 11 is the front view of clamping plate bearing；
Figure 12 is the structure diagram of the first vertical plate；
Figure 13 is the structure diagram of the second vertical plate；
Figure 14 is the structure diagram of support pin；
Figure 15 is the structure diagram of support tabs；
Figure 16 is the structure diagram of buckle.
Wherein：1st, can angulation line of force measurement bar；1-1, fixed link；1-2, the first motion bar；1-2-1, to mark hole；1-2-2、
Laser generator；1-2-3, tapped through hole；1-2-4, pivot joint cavity；1-2-5, pit；1-2-6, ring-type bevel protractor；1-3, second
Motion bar；1-3-1, pivot joint convex block；1-3-1-1, pivot through hole；1-3-1-2, protrusion；1-3-2, slide；1-3-3, sliding block；1-
3-4, limited block；1-3-5, observation leading line；2nd, fixation kit；2-1, base；2-1-1, angle scale；2-2, fixed station；2-
2-1, cavity；2-2-2, switch block；2-2-3, switch block locking nut；2-3, fixture block；2-3-1, support rod through-hole；2-3-2, supporting rod
Locking nut；3rd, pin is supported；3-1, dial markings；4th, clamping plate bearing；4-1, the first vertical plate；4-1-1, the first vertical chute；
4-1-2, first level sliding slot；4-1-3, supporting rod；4-2, the second vertical plate；4-2-1, the second vertical chute；4-2-2, second
Horizontal concrete chute；4-2-3, support card slot；4-2-4, salient point；4-3, level board；4-4, support tabs；4-4-1, block；4-5, card
Button；4-5-1, antislip ring；5th, pivotal axis；5-1, axially extending bore；6th, osteotomy line locator；6-1, wear and connect hole；6-2, horizontal part；
6-2-1, development bar；6-3, vertical portion；6-3-1, Kirschner wire guide hole；6-3-2, observation through hole；7th, nut is pressed closer.
Embodiment
The present invention is described in further detail with following embodiments below in conjunction with the accompanying drawings.
Embodiment 1
Fig. 1 is the structure diagram of the line of force measurement angle positioner for knee joint peripheral osteotomy.As shown in Figure 1,
A kind of line of force measurement angle positioner for knee joint peripheral osteotomy, the positioner include can angulation line of force measurement bar 1,
Fixation kit 2, support pin 3 and clamping plate bearing 4.
Can angulation line of force measurement bar 1 include fixed link 1-1, the first motion bar 1-2 and the second motion bar 1-3.Fixation kit 2
A surface be connected with one end of fixed link 1-1, on fixation kit 2 positioned at fixed link 1-1 it is opposite with 2 joint face of fixation kit
Face is flexibly connected with one end of the first motion bar 1-2, and the other end of the first motion bar 1-2 passes through 5 and second motion bar of pivotal axis
1-3 is pivotally connected.Second motion bar 1-3 with respect to the first motion bar 1-2 can horizontal hunting, the first motion bar 1-2 is relatively fixed bar 1-1 can
Horizontal hunting.
Support pin 3 is fixed on clamping plate bearing 4 through the femur or shin bone of human body lower limbs and both ends；Fixation kit 2 is located at
It is flexibly connected above lower limb and with clamping plate bearing 4.
As shown in Fig. 9-Figure 13, it is preferred that clamping plate bearing 4 is U-shaped structure, clamping plate bearing 4 include the first vertical plate 4-1,
The level board 4-3 of second vertical plate 4-2 and connection the first vertical plate 4-1 and the second vertical plate 4-2.
First vertical plate 4-1 vertical directions are equipped with the first vertical chute 4-1-1, the first vertical chute 4-1-1 vertical the
The first vertical plate 4-1, the one end open of the first vertical chute 4-1-1 are penetrated through on one vertical plate 4-1 and the second vertical plate 4-2 directions
Top surface of the place positioned at the first vertical plate 4-1.To improve support pin 3 through to be put into first vertical after the femur or shin bone of human body lower limbs
Stability in sliding slot 4-1-1 so that the first vertical plate 4-1 stress it is uniform, it is preferred that the first vertical chute 4-1-1's is perpendicular
The vertical center overlapping of axles of straight central shaft and the first vertical plate 4-1.
First vertical plate 4-1 horizontal directions be equipped with spacing it is equal and intersect with the first vertical chute 4-1-1 some first
Horizontal concrete chute 4-1-2, first level sliding slot 4-1-2 penetrate through on vertical first vertical plate 4-1 and the second vertical plate 4-2 directions
One vertical plate 4-1.Main forced sections of the first level sliding slot 4-1-2 as support pin 3 to the first vertical plate 4-1 down forces
Position, to ensure the uniformity of first level sliding slot 4-1-2 stress, extends the service life of the first vertical plate 4-1, it is preferred that the
One horizontal concrete chute 4-1-2 is symmetrical on the first vertical chute 4-1-1 by two parts that the first vertical chute 4-1-1 is disconnected.
It is located on first vertical plate 4-1 inner surfaces above first level sliding slot 4-1-2 and is located at the first vertical chute 4-1-1
Both sides are articulated with least two supporting rod 4-1-3.Not only to improve the stability of support fixation kit 2, but also the simplification of guarantee structure,
It is further preferred that the quantity of supporting rod 4-1-3 is 2, and it is symmetrical on the first vertical chute 4-1-1.
It is perpendicular that second vertical plate 4-2 is equipped with corresponding with the first vertical chute 4-1-1 and first level sliding slot 4-1-2 second
The branch being mutually clamped with supporting rod 4-1-3 is additionally provided with straight runner 4-2-1 and the second horizontal concrete chute 4-2-2, the second vertical plate 4-2
Support card slot 4-2-3.Wherein, the fastness to ensure supporting rod 4-1-3 with supporting card slot 4-2-3 clampings, it is preferred that support card slot
Salient point 4-2-4 is equipped with 4-2-3, and when salient point 4-2-4 is each perpendicular to the second vertical plate 4-2 corresponding to two supporting rod 4-1-3
It is connected to the position of support card slot 4-2-3.Effectively ensure the firm of clamping with stablizing by being interference fitted.Bar 4-1- easy to support
3 can easily be caught in support card slot 4-2-3, it is further preferred that support card slot 4-2-3 openings are equipped with chamfering, play importing and make
With effectively prevent supporting rod 4-1-3 with supporting the rigid shock of card slot 4-2-3.
During pre-operative preparation or during x-ray fluoroscopy, femur or shin bone and both ends of the support pin 3 through human body lower limbs
It is fixed on clamping plate bearing 4, corresponding fixed position has determined.But due to various reasons, as patient will upper toilet temporarily,
Patient will turn round, and X-ray equipment goes wrong, or the lower limb for having other things and causing patient are moved, then corresponding fixed
Point will change, then need to adjust the position that lower limb are put into clamping plate bearing 4 again, to ensure the accurate and X of the position of pin
The optimum efficiency of x ray fluoroscopy x.It is required to that adjustment is repeated several times for this problem in the prior art, not only extends operating time, very
To fluoroscopy during operation number and amount of radiation is added, the health of patient and doctor directly affects.To be effectively improved above-mentioned drawback, this
In technical solution, it is preferred that be carved with the dial markings 3-1 symmetrical on support 3 radial central axis of pin in 3 surface of support pin.
Doctor can be visually seen the fixed position of support pin 3, in case of changed, it is only necessary to recall to commitment positions.As shown in figure 14.
The both ends of support pin 3 are respectively engaged with the first vertical chute 4-1-1 and the second vertical chute 4-2-1, and are supported
Pin 3 can be free to slide along the first vertical chute 4-1-1 and the second vertical chute 4-2-1.First level sliding slot 4-1-2 and the second water
Smooth groove 4-2-2 is installed with support tabs 4-4, and support pin 3 is fixed on support tabs 4-4.
First level sliding slot 4-1-2 and the second horizontal concrete chute 4-2-2 are quickly and easily inserted into for ease of support tabs 4-4,
In the technical program, it is preferred that support tabs 4-4 is wedge structure, can be from first level sliding slot 4-1-2 and the second horizontal concrete chute
The inside and outside both direction insertions of 4-2-2.Support tabs 4-4 is avoided to skid off sliding slot, it is further preferred that support tabs 4-4 is wherein
Block 4-4-1 is provided with one inclined-plane, as shown in figure 15.
If support pin 3 is heeling condition, the both ends of support pin 3 are respectively engaged with the first vertical chute 4-1-1 and second and erect
In straight runner 4-2-1, according to mechanics principle, support pin 3 can be slided to lower, and harmful effect is produced for operation and patient.
As shown in figure 16, still more preferably, support pin 3 both ends be also socketed with buckle 4-5, and be buckled 4-5 inner surfaces covered with
Antislip ring 4-5-1.Preferably, buckle 4-5 is direct open-close type, and antislip ring 4-5-1 selects soft rubber, both added friction
Power, and protect support pin 3.After pin 3 is supported and the location determination of clamping plate bearing 4 is good, a buckle 4-5 card is put into support
The inner surface that 3 low level one end of pin is connected with clamping plate bearing 4, another buckle 4-5 card are put into 3 high-order one end of support pin and clamping plate branch
The outer surface of the connection of seat 4, effectively prevent the slip of support pin 3 in axial direction.
Fixed link 1-1 one end and second one end of motion bar 1-3 away from pivotal axis 5 away from fixation kit 2 are respectively aligned to
Human femoral head central point and ankle-joint central point, or fixed link 1-1 one end and the second motion bar 1-3 away from fixation kit 2
One end away from pivotal axis 5 is respectively aligned to model of human ankle central point and late-segmental collapse point carries out the measurement of the lower limb line of force.
The length of different patient's legs is different, to adapt to the patient of each age group different sexes, the first motion bar 1-2 and second
Motion bar 1-3 is the telescopic rod equipped with telescopic device, including hollow outer tube and the interior bar that is socketed in outer tube.Telescopic device
Including fixing bolt, fixing bolt is inserted radially into along outer tube is connected to interior bar surface, and outer tube is fixedly connected with interior bar.
Support pin 3 need to penetrate femur or shin bone with lower limb vertical direction level, and Tibial osteotomy art point of entrance is condyle of femur
On, femoral osteotomies point of entrance is below tibial tubercle.Rotating support pin 3 as axis using the lower limb line of force makes lower limb be in neutral position,
Being fixed by support tabs 4-4 and clamping plate bearing 4 can keep lower limb to be in neutral position all the time.By can angulation line of force measurement bar 1
Adjusting with fixation kit 2 can make measurement bar both ends carry out lower limb line of force survey by human femoral head midpoint and ankle-joint midpoint
Amount.Support pin 3 has scale, and initial alignment finishes record scale, can be very easily accurately positioned in art.Can the angulation line of force
Pivotal axis 5 is equipped with measurement bar 1, it is permissible can the far and near two parts of angulation line of force measurement bar 1 carry out angulation rotation in the horizontal plane
It is and locked.
When Tibial osteotomy art starts, the one end of fixed link 1-1 away from fixation kit 2 is passed through into femoral head under x-ray fluoroscopy
Midpoint, pivotal axis 5 are positioned at knee joint midpoint, second one end of motion bar 1-3 away from pivotal axis 5 by ankle-joint midpoint and
Ankle-joint surface skin makes marks.At this time, can angulation line of force measurement bar 1 be angulation state, in art after the completion of osteotomy orthotic procedure,
Keep fixed link 1-1 and the first motion bar 1-2 motionless, the second motion bar 1-3 rotates ankle-joint midpoint skin when becoming straight configuration
Skin mark point with can angulation line of force measurement bar 1 match, you can judge the orthopedic angle of osteotomy it is suitable.
If carrying out femoral osteotomies, the one end of fixed link 1-1 away from fixation kit 2 is passed through into ankle-joint under x-ray fluoroscopy
Midpoint, pivotal axis 5 are positioned at knee joint midpoint, second one end of motion bar 1-3 away from pivotal axis 5 by femoral head midpoint and
Femoral head surfaces skin makes marks.At this time, can angulation line of force measurement bar 1 be angulation state, in art after the completion of osteotomy orthotic procedure,
Keep fixed link 1-1 and the first motion bar 1-2 motionless, the second motion bar 1-3 rotates femoral head midpoint skin when becoming straight configuration
Skin mark point with can angulation line of force measurement bar 1 match, you can judge the orthopedic angle of osteotomy it is suitable.
Embodiment 2
Embodiment 2 is on the basis of embodiment 1, there is provided a kind of line of force for knee joint peripheral osteotomy being more highly preferred to
Measurement angle positioning device structure, as shown in Figures 2 and 3.Include specifically, the embodiment 2 further defines fixation kit 2
The base 2-1 and fixed station 2-2 for being connected to base 2-1 upper surfaces.
Domed cavity 2-2-1 is equipped with fixed station 2-2, cavity 2-2-1 runs through the first motion bar 1-2 and fixation kit
2 joint face, and the maximum of the notch positioned at the cavity 2-2-1 on face is smaller than the maximum gauge of cavity 2-2-1.It is empty
The plane of chamber 2-2-1 is bonded parallel to base 2-1, and with base 2-1.
The switch block 2-2-2, switch block 2-2-2 and first that coordinates with cavity 2-2-1 and can horizontally rotate are equipped with cavity 2-2-1
Motion bar 1-2 connections, the first motion bar 1-2 can horizontally rotate along the central shaft of switch block 2-2-2.
The side of fixed station 2-2 is provided with the tapped through hole connected with cavity 2-2-1, and switch block locking is connected with tapped through hole
Nut 2-2-3.
It is connected on fixed station 2-2 positioned at the opposite surfaces of the first motion bar 1-2 with one end of fixed link 1-1.
For precisely, intuitively control can angulation line of force measurement bar 1 the angulation number of degrees, improve orthopedic accurate of osteotomy in art
Property, base 2-1 upper surfaces, which are located at below the horizontal direction symmetry axis of base 2-1, is carved with angle scale 2-1-1.First motion bar 1-
2 when horizontally rotating, and the angulation number of degrees of the first motion bar 1-2 can precisely, be intuitively observed by angle scale 2-1-1, and do
Good respective record.Initial alignment finishes record scale, can be very easily accurately positioned in art.
Base 2-1 lower surfaces, which are provided with, wears the fixture block 2-3 for meeting supporting rod 4-1-3, is provided with fixture block 2-3 and supporting rod 4-1-
The 3 support rod through-hole 2-3-1 coordinated, support rod through-hole 2-3-1 are connected with support stem jam nut 2-3-2.Fixation kit 2 passes through
Fixture block 2-3 and supporting rod 4-1-3 coordinates to be slidably connected with clamping plate bearing 4.
For effectively improve doctor couple can the accurate of the angulation number of degrees of angulation line of force measurement bar 1 hold, facilitate doctor to angulation
The observation of the number of degrees, it is preferred that be provided with the first motion bar 1-2 directly over angle scale 2-1-1 through the first motion bar
1-2 to marking hole 1-2-1, to being provided with laser generator 1-2-2 in mark hole 1-2-1, the laser of laser generator 1-2-2 transmittings
The axial centre overlapping of axles of beam and the first motion bar 1-2.
Embodiment 3
Embodiment 3 is on the basis of embodiment 1 or embodiment 2, there is provided it is a kind of be more highly preferred to be used for knee joint peripheral
The line of force measurement angle positioning device structure of osteotomy, as shown in Fig. 4, Fig. 6 and Fig. 7.Specifically, the embodiment 3 further limits
The first motion bar 1-2 is equipped with the tapped through hole 1-2-3 coordinated with pivotal axis 5.Close to the second activity on first motion bar 1-2
The end face of one end of bar 1-3, which is in axial direction recessed, pivot joint cavity 1-2-4, and pivot joint cavity 1-2-4 penetrates through the in the horizontal direction
One motion bar 1-2, pivot joint cavity 1-2-4 are connected with tapped through hole 1-2-3.Set on pivot joint cavity 1-2-4 inner walls close to endface
There is pit 1-2-5.
Second motion bar 1-3 one end is equipped with the pivot joint convex block 1-3-1 coordinated with pivot joint cavity 1-2-4, pivot joint convex block 1-3-1
It is provided with the pivot through hole 1-3-1-1 coordinated with pivotal axis 5；The protrusion coordinated with pit 1-2-5 is additionally provided with pivot joint convex block 1-3-1
1-3-1-2。
The position of the first motion bar 1-2 and the second motion bar 1-3 are controlled in surgical procedure for convenience of doctor, preferably
, when pit 1-2-5 and protrusion 1-3-1-2 cooperations, the axial centre axis of the first motion bar 1-2 and the second motion bar 1-3's
Axial centre overlapping of axles.That is after protrusion 1-3-1-2 is completely into pit 1-2-5, the first motion bar 1-2 and the second motion bar 1-3
As a straight line.It is further preferred that the vertically symmetrical overlapping of axles of the symmetry axis of pit 1-2-5 and the first motion bar 1-2；It is raised
The vertically symmetrical overlapping of axles of the symmetry axis of 1-3-1-25 and the second motion bar 1-3, then protrusion 1-3-1-2 is completely into pit 1-2-
After 5, the first motion bar 1-2 becomes the vertical straight line of vertical human body lower limbs with the second motion bar 1-3.
By with preoperative Radiological measurement be calculated in art can needed for angulation line of force measurement bar 1 rotational angle contrast,
Further increase the orthopedic accuracy of osteotomy, still more preferably, set on the first motion bar 1-2 positioned at the top of pivotal axis 5
There is the ring-type bevel protractor 1-2-6 being detachably connected.Ring-type bevel protractor 1-2-6 can be connected through a screw thread or magnetic suck or claw are fixed
Detachably coordinate etc. mode and the first motion bar 1-2.
For convenience of doctor under fluoroscopy can quickly, pivotal axis 5 be accurately positioned be located at the midpoint of tibial plateau, it is further excellent
Choosing, pivotal axis 5 is equipped with axially extending bore 5-1, the central shaft of axially extending bore 5-1 and the center overlapping of axles of pivotal axis 5.
Embodiment 4
Embodiment 4 is on the basis of embodiment 1 or embodiment 2 or embodiment 3, there is provided it is a kind of be more highly preferred to be used for knee
The line of force measurement angle positioning device structure of periarticular osteotomy, as shown in Fig. 4, Fig. 5 and Fig. 8.Specifically, the embodiment 4 into
One step defines is equipped with slide 1-3-2 above the second motion bar 1-3 along the length direction of the second motion bar 1-3, on slide 1-3-2
Sliding block 1-3-3 is combined with, sliding block tapped through hole is provided with sliding block 1-3-3.
In order to shorten the bone-culting operation time, the present invention is additionally arranged auxiliary osteotomy device.Preferably, set above sliding block 1-3-3
Have an osteotomy line locator 6, the upper surface bottom of osteotomy line locator 6, which is provided with to wear, connects hole 6-1, osteotomy line locator 6 by with
Sliding block tapped through hole and wear connect hole 6-1 coordinate the nut 7 that presses closer be connected with sliding block 1-3-3.Osteotomy line locator 6 can be along can be into
Line measurement bar 1 of wrestling is slided and horizontal direction rotates.
Osteotomy line locator 6 is L-type structure, and osteotomy line locator 6 includes horizontal part 6-2 and vertical portion 6-3.Horizontal part
The upper length direction equi-spaced aparts along horizontal part 6-2 of 6-2 are embedded with some development bar 6-2-1, and development bar 6-2-1 runs through horizontal part
6-2 upper and lower surfaces, the symmetrical overlapping of axles of the symmetry axis line and horizontal part 6-2 of some development bar 6-2-1.
Osteotomy line locator 6 and the material of development bar 6-2-1 are X-ray perspective material, and the material for the bar 6-2-1 that develops
Expect that density is more than the density of material of osteotomy line locator 6.Wherein, X-ray perspective material can be ceramics, bamboo product, plastics, glass
Glass and thin metal etc..In the present embodiment, the material selection plastics of osteotomy line locator 6, the thin gold of material selection of development bar 6-2-1
Belong to.It is dotted line that development bar 6-2-1 can develop under radioscopy, easy to position osteotomy line.
Vertical portion 6-3 is vertically provided with word order and some Kirschner wires through vertical portion 6-3 surfaces externally and internallies are led
Draw hole 6-3-1, the floor projection of some Kirschner wire guide hole 6-3-1 is overlapped with the development dotted line of some development bar 6-2-1.Pass through
The development and the cooperation of the floor projection of Kirschner wire guide hole 6-3-1 of development bar 6-2-1, specify that the suitable location of osteotomy line
Afterwards, 2-3 pieces of Kirschner wire can be penetrated in Kirschner wire guide hole 6-3-1 to aid in osteotomy.
For convenience of the observation in operation to osteotomy line position fixing process and effect, it is preferred that be located at Kirschner wire on the 6-3 of vertical portion
Observation through hole 6-3-2 is provided with above guide hole 6-3-1.
Embodiment 5
Embodiment 5 is on the basis of embodiment 1 or embodiment 2 or embodiment 3 or embodiment 4, there is provided a kind of more excellent
The line of force measurement angle positioning device structure for knee joint peripheral osteotomy of choosing, as shown in Figure 4.Specifically, the embodiment 5 into
It is sliding from slide 1-3-2 that one step defines that the one end of slide 1-3-2 away from pivot joint is equipped with limited block 1-3-4, anti-limited slip block 1-3-3
Fall.
To further facilitate doctor in surgical procedure to the second motion bar 1-3 with respect to the first motion bar 1-2 angulation number of degrees
Observation, further increases the orthopedic accuracy of osteotomy, it is preferred that slide 1-3-2 upper surfaces are located at ring-type bevel protractor 1-2-6 markings
Line is arranged right below observation leading line 1-3-5；Observe the symmetrical overlapping of axles of leading line 1-3-5 and slide 1-3-2.
Beneficial effects of the present invention are：
1st, by supporting the fixation of pin and clamping plate bearing, convenient to control patient's lower limb to be located at neutral position, line of force measurement bar is led to
Cross fixation kit with clamping plate bearing to be connected, substantially increase the stability of line of force measurement bar, be able to can be had an X-rayed without hand steered
Lower line of force measurement.
2nd, line of force measurement bar for can angulation design, the angulation number of degrees can determine that by external dial, improve osteotomy in art and rectify
The accuracy of shape, and it is adapted in different angle knee joint patient and surgical procedure patient legs along the rotating feelings of the lower limb line of force
Condition, expands the use scope of the product.
3rd, line of force measurement bar determine after anchor point before osteotomy starts can angulation place, stretch and put after the completion of osteotomy is orthopedic
Put and matched with original site, can judge whether osteotomy is orthopedic suitable by measurement bar without perspective in art, without weight
New definition, greatly reduces fluoroscopy during operation number and amount of radiation, shortens operating time, improves the operation safety of patient,
Avoid patient and doctor receives more amount of radiation so as to the problem of influencing health.
4th, measurement bar coordinates osteotomy line locator, and it is auxiliary to insert Kirschner wire by guide hole after the lower definite positioning osteotomy line of perspective
Osteotomy is helped, further increases the orthopedic accuracy of osteotomy, favourable guarantee is provided for the implementation of bone-culting operation.
5th, the present invention ensures that the accurate of bone-culting operation is implemented by mechanical structure, and easy to operate, easy to use, stabilization can
Lean on.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are various under the enlightenment of the present invention
The product of form, however, make any change in its shape or structure, it is every that there is skill identical or similar to the present application
Art scheme, is within the scope of the present invention.
Claims (10)
- A kind of 1. line of force measurement angle positioner for knee joint peripheral osteotomy, it is characterised in that：The positioner includes Can angulation line of force measurement bar (1), fixation kit (2), support pin (3) and clamping plate bearing (4)；It is described can angulation line of force measurement bar (1) include fixed link (1-1), the first motion bar (1-2) and the second motion bar (1-3)； One surface of the fixation kit (2) is connected with one end of the fixed link (1-1), positioned at described on the fixation kit (2) Fixed link (1-1) connects with the opposite face of the fixation kit (2) joint face and one end activity of first motion bar (1-2) Connect, the other end of first motion bar (1-2) is pivotally connected by pivotal axis (5) and second motion bar (1-3)；Described second Relatively described first motion bar (1-2) of motion bar (1-3) can horizontal hunting, the relatively described fixation of the first motion bar (1-2) Bar (1-1) can horizontal hunting；The support pin (3) is fixed on the clamping plate bearing (4) through the femur or shin bone of human body lower limbs and both ends；It is described solid Determine component (2) to be located above lower limb and be flexibly connected with the clamping plate bearing (4).
- 2. the line of force measurement angle positioner according to claim 1 for knee joint peripheral osteotomy, it is characterised in that The clamping plate bearing (4) is U-shaped structure, the clamping plate bearing (4) include the first vertical plate (4-1), the second vertical plate (4-2) and Connect the level board (4-3) of first vertical plate (4-1) and second vertical plate (4-2)；First vertical plate (4-1) vertical direction is equipped with the first vertical chute (4-1-1), it is preferred that described first is vertical sliding The vertical central shaft of groove (4-1-1) and the vertical center overlapping of axles of first vertical plate (4-1)；First vertical chute (4-1-1) is in vertical first vertical plate (4-1) and second vertical plate (4-2) direction It is upper to penetrate through first vertical plate (4-1), it is vertical to be located at described first at the one end open of first vertical chute (4-1-1) The top surface of plate (4-1)；It is equal and intersect with first vertical chute (4-1-1) that first vertical plate (4-1) horizontal direction is equipped with spacing Some first level sliding slots (4-1-2), the first level sliding slot (4-1-2) is in vertical first vertical plate (4-1) and institute State and first vertical plate (4-1) is penetrated through on the second vertical plate (4-2) direction；First vertical plate (4-1) inner surface is upper At least two are articulated with above the first level sliding slot (4-1-2) and positioned at the first vertical chute (4-1-1) both sides Supporting rod (4-1-3)；Second vertical plate (4-2) is equipped with and first vertical chute (4-1-1) and the first level sliding slot (4-1- 2) corresponding second vertical chute (4-2-1) and the second horizontal concrete chute (4-2-2), are additionally provided with second vertical plate (4-2) The support card slot (4-2-3) being mutually clamped with the supporting rod (4-1-3)；Preferably, salient point (4-2-4) is equipped with the support card slot (4-2-3), described support card slot (4-2-3) opening is equipped with Chamfering.
- 3. the line of force measurement angle positioner according to claim 2 for knee joint peripheral osteotomy, it is characterised in that It is carved with the dial markings (3-1) symmetrical on described support pin (3) radial central axis in described support pin (3) surface；It is described The both ends of support pin (3) are respectively engaged with first vertical chute (4-1-1) and second vertical chute (4-2-1), And the support pin (3) can be free to slide along first vertical chute (4-1-1) and second vertical chute (4-2-1)；Preferably, the both ends of the support pin (3) are also socketed with buckle (4-5)；Described buckle (4-5) inner surface is covered with anti-skidding Enclose (4-5-1).
- 4. the line of force measurement angle positioner according to claim 3 for knee joint peripheral osteotomy, it is characterised in that The first level sliding slot (4-1-2) and second horizontal concrete chute (4-2-2) are installed with support tabs (4-4), the branch Support pin (3) is fixed in the support tabs (4-4)；Preferably, the support tabs (4-4) are wedge structure, are set on one of inclined-plane of the support tabs (4-4) There is block (4-4-1).
- 5. the line of force measurement angle positioner according to claim 2 for knee joint peripheral osteotomy, it is characterised in that The fixation kit (2) includes base (2-1) and the fixed station (2-2) for being connected to the base (2-1) upper surface；Domed cavity (2-2-1) is equipped with the fixed station (2-2), the cavity (2-2-1) is through the described first activity The joint face of bar (1-2) and the fixation kit (2), between the maximum of the notch of the cavity (2-2-1) on face Maximum gauge away from less than the cavity (2-2-1)；The plane of the cavity (2-2-1) parallel to the base (2-1), and with Base (2-1) fitting；The switch block (2-2-2) that coordinates with the cavity (2-2-1) and can horizontally rotate is equipped with the cavity (2-2-1), it is described Switch block (2-2-2) is connected with first motion bar (1-2), and first motion bar (1-2) can be along the switch block (2-2-2) Central shaft horizontally rotates；The side of the fixed station (2-2) is provided with the tapped through hole connected with the cavity (2-2-1), connects in the tapped through hole It is connected to switch block locking nut (2-2-3)；Positioned at the opposite surface of first motion bar (1-2) and one end of the fixed link (1-1) on the fixed station (2-2) Connection；Base (2-1) upper surface, which is located at below the horizontal direction symmetry axis of the base (2-1), is carved with angle scale (2-1- 1)；Base (2-1) lower surface, which is provided with, wears the fixture block (2-3) for meeting the supporting rod (4-1-3), on the fixture block (2-3) The support rod through-hole (2-3-1) coordinated with the supporting rod (4-1-3) is provided with, the support rod through-hole (2-3-1) is connected with branch Strut locking nut (2-3-2)；The fixation kit (2) by the fixture block (2-3) and the supporting rod (4-1-3) coordinate with The clamping plate bearing (4) is slidably connected.
- 6. the line of force measurement angle positioner according to claim 5 for knee joint peripheral osteotomy, it is characterised in that It is provided with first motion bar (1-2) directly over the angle scale (2-1-1) through the first motion bar (1- 2) to mark hole (1-2-1), described pair mark hole (1-2-1) in is provided with laser generator (1-2-2), the laser generator The laser beam and the axial centre overlapping of axles of first motion bar (1-2) of (1-2-2) transmitting.
- 7. the line of force measurement angle positioner according to claim 1 for knee joint peripheral osteotomy, it is characterised in that First motion bar (1-2) is equipped with the tapped through hole (1-2-3) coordinated with the pivotal axis (5)；First motion bar In axial direction being recessed close to the end face of one end of second motion bar (1-3) on (1-2) has pivot joint cavity (1-2-4), institute State pivot joint cavity (1-2-4) and penetrate through first motion bar (1-2) in the horizontal direction, the pivot joint cavity (1-2-4) with it is described Tapped through hole (1-2-3) connects；On described pivot joint cavity (1-2-4) inner wall pit (1-2-5) is equipped with close to the endface；Described second motion bar (1-3) one end is equipped with the pivot joint convex block (1-3-1) coordinated with the pivot joint cavity (1-2-4), institute State pivot joint convex block (1-3-1) and be provided with the pivot through hole (1-3-1-1) coordinated with the pivotal axis (5)；Pivot joint convex block (the 1-3- 1) protrusion (1-3-1-2) coordinated with the pit (1-2-5) is additionally provided with；When the pit (1-2-5) coordinates with raised (1-3-1-2), the axial centre of first motion bar (1-2) Axis and the axial centre overlapping of axles of second motion bar (1-3).
- 8. the line of force measurement angle positioner according to claim 7 for knee joint peripheral osteotomy, it is characterised in that On first motion bar (1-2) the ring-type bevel protractor (1-2- being detachably connected is provided with above the pivotal axis (5) 6)。
- 9. according to any line of force measurement angle positioners for knee joint peripheral osteotomy of claim 1-8, it is special Sign is that the pivotal axis (5) is equipped with axially extending bore (5-1), central shaft and the pivotal axis of the axially extending bore (5-1) (5) center overlapping of axles.
- 10. the line of force measurement angle positioner according to claim 8 for knee joint peripheral osteotomy, its feature exists In the second motion bar (1-3) top is equipped with slide (1-3-2) along the length direction of second motion bar (1-3)；Preferably, the one end of the slide (1-3-2) away from pivot joint is equipped with limited block (1-3-4)；Preferably, slide (1-3-2) upper surface is located at ring-type bevel protractor (1-2-6) the marking line and is arranged right below seeing Examine leading line (1-3-5)；The observation leading line (1-3-5) and the symmetrical overlapping of axles of the slide (1-3-2)；Sliding block (1-3-3) is combined with the slide (1-3-2), sliding block tapped through hole is provided with the sliding block (1-3-3)；Osteotomy line locator (6) is equipped with above the sliding block (1-3-3), the upper surface bottom of the osteotomy line locator (6) is opened Wear and connect hole (6-1)；The osteotomy line locator (6) with the sliding block tapped through hole and described wear by connecting hole (6-1) The nut (7) that presses closer coordinated is connected with the sliding block (1-3-3)；The osteotomy line locator (6) is L-type structure, and the osteotomy line locator (6) includes horizontal part (6-2) and vertical portion (6-3)；On the horizontal part (6-2) some development bar (6- are embedded with along the length direction equi-spaced apart of the horizontal part (6-2) 2-1), the development bar (6-2-1) runs through the horizontal part (6-2) upper and lower surface, some the symmetrical of bars (6-2-1) that develop The symmetrical overlapping of axles of axis line and the horizontal part (6-2)；Preferably, the material of the osteotomy line locator (6) and the development bar (6-2-1) is X-ray perspective material, and The density of material of the development bar (6-2-1) is more than the density of material of the osteotomy line locator (6)；Preferably, the vertical portion (6-3) is vertically provided with word order and runs through the vertical portion (6-3) surfaces externally and internally Some Kirschner wire guide holes (6-3-1), the floor projections of some Kirschner wire guide holes (6-3-1) and some developments The development dotted line of bar (6-2-1) overlaps；It is provided with the vertical portion (6-3) above the Kirschner wire guide hole (6-3-1) Observe through hole (6-3-2).
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| CN109907774A (en) * | 2019-03-04 | 2019-06-21 | 广州中医药大学第一附属医院 | The device of fixed lower limb body position |
| CN110613537A (en) * | 2019-09-16 | 2019-12-27 | 北京力达康科技有限公司 | Medical orthopedics femoral stem anteversion angle calibrator |
| CN111529147A (en) * | 2020-05-09 | 2020-08-14 | 北京市春立正达医疗器械股份有限公司 | Bone force line determining device and joint surgery traction device applying same |
| CN111529147B (en) * | 2020-05-09 | 2022-09-30 | 北京市春立正达医疗器械股份有限公司 | Bone force line determining device and joint surgery traction device applying same |
| CN113080942A (en) * | 2021-03-25 | 2021-07-09 | 孙美义 | Joint rotation axis positioning instrument and positioning method |
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| CN107961056B (en) | 2020-04-28 |
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