CN110477994A - Femur osteotomy locating guider - Google Patents
Femur osteotomy locating guider Download PDFInfo
- Publication number
- CN110477994A CN110477994A CN201910719172.7A CN201910719172A CN110477994A CN 110477994 A CN110477994 A CN 110477994A CN 201910719172 A CN201910719172 A CN 201910719172A CN 110477994 A CN110477994 A CN 110477994A
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- guider
- sliding
- main body
- locking member
- sliding part
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- 210000000689 upper leg Anatomy 0.000 title claims abstract description 64
- 238000002271 resection Methods 0.000 claims abstract description 37
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 210000000988 bone and bone Anatomy 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 210000000629 knee joint Anatomy 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 210000004417 patella Anatomy 0.000 description 1
- 210000002303 tibia Anatomy 0.000 description 1
- 238000012800 visualization Methods 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
- A61B17/16—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
- A61B17/1764—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the knee
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of femur osteotomy locating guiders, for connecting distal femoral resection protection block and distal end positioned in alignment device.The femur osteotomy locating guider includes guider main body, sliding part, connector and locking member.The bottom of guider main body is provided with guide rod to connect with distal end positioned in alignment device; sliding part is slideably connect with guider main body; connector is installed on the rear portion of sliding part and for connecting distal femoral resection protection block and locking member is rotationally connect with sliding part.Femur osteotomy locating guider and distal femoral resection protection block may make mutually to lock or unlock relative to sliding part rotation by operation locking member.Distal end positioned in alignment device is conveniently and efficiently connected in distal femoral resection protection block by femur osteotomy locating guider of the invention; connection is accurate and reliable; distal end positioned in alignment device effectively efficiently positions distal femoral resection protection block; positioning accuracy is high repeatedly, ensure that the surgical effect of different patients.
Description
Technical field
The present invention relates to medical instruments fields, and in particular to a kind of femur osteotomy locating guider.
Background technique
In orthopedics diagnosis, other lesions of the human body bone impingement as caused by various fortuitous events or bone are abnormal
Shape has many patients to need to receive bone-culting operation.
By taking knee joint as an example, generally by after lesion portion is removed, disposing artificial knee joint prosthesis to patient's osteotomy.
Knee prosthesis osteotomy generally comprises distal femur osteotomy, proximal tibia osteotomy, condyle bone osteotomy, kneecap osteotomy etc..Because of operation
Middle needs need the shape that distal femur part bone cuts out, and cuts out with plant prosthese the matching on position.
And the osteotomy positioning device structure of the prior art is complicated, operation difficulty is big.Therefore, this field is badly in need of developing new knot
Structure is simple, maneuverable device, to improve procedure efficiency.
Summary of the invention
The object of the present invention is to provide a kind of femur osteotomy locating guider, for connecting distal femoral resection protection block and remote
Positioned in alignment device is held, to solve above-mentioned problems of the prior art.
To solve the above-mentioned problems, according to an aspect of the invention, there is provided a kind of femur osteotomy locating guider, is used
In connection distal femoral resection protection block and distal end positioned in alignment device, wherein the femur osteotomy locating guider includes:
Guider main body, the bottom of the guider main body are provided with guide rod to connect with the distal end positioned in alignment device
It connects and connector,
Sliding part, the sliding part are slideably connect with the guider main body,
Connector, the connector are installed on the rear portion of the sliding part and for connecting the distal femoral resection protection block,
And
Locking member, the locking member are rotationally connect with the sliding part, wherein
By operate the locking member relative to sliding part rotation may make the femur osteotomy locating guider with
The distal femoral resection protection block is mutually locked or is unlocked.
In one embodiment, the guider main body has relatively wide bottom end and relatively narrow top, described
Bottom end setting is jagged, and the shape of the notch is matched with the shape of the tail portion of the sliding part to accommodate the tail of the sliding part
Portion.
In one embodiment, guide rod mounting hole, the top of the guide rod are provided at left and right sides of the notch
It is contained in the guide rod mounting hole and is fixedly connected with the guider main body.
In one embodiment, it is provided with the sliding slot extended along the longitudinal direction in the guider main body in front of the notch,
The sliding slot is used to cooperate with the sliding rail of the sliding part, so that the sliding part is slidably connected to the guider master
Body.
In one embodiment, the femur osteotomy locating guider further includes locating part, the front end setting of the sliding slot
Have perpendicular to the sliding slot bottom for installing the pin hole of the locating part, the bottom of the sliding rail of the sliding part is equipped with limit
Slot, the locating part and the limiting slot cooperate.
In one embodiment, the guider main body is additionally provided with scale, and the two sides of the sliding slot are arranged in the scale.
In one embodiment, the two sides of the sliding slot are additionally provided with irregularly-shaped hole, and the irregularly-shaped hole is along the guider master
The thickness direction of body extends to upper surface from lower surface.
In one embodiment, the sliding part includes main part and integrally extends to form from the main part
Sliding rail, wherein the main part is formed with opening along the opposite direction of the sliding rail, the formation of the locking member has protrusion, institute
The shape for stating opening is matched with the lobe shape of the bottom of the locking member, so that the protrusion of the locking member
It can extend into and accommodate in the opening.
In one embodiment, the two sides of the opening form baffle, and the baffle is equipped with pin hole, the pin hole and pin shaft
Cooperation, the pin shaft penetrates in the rotating hole of the locking member again after passing through the pin hole, so that the locking member can be rotated
Ground is connected on the sliding part.
In one embodiment, the front of the opening is equipped with the spring eye extended from the top down, the lower end of the spring
It is installed in the spring eye.
In one embodiment, the lower part of the main part of the sliding part is equipped with the company extended along the length direction of sliding rail
Fitting mounting hole, the connector mounting hole are located at the lower section of the sliding rail.
In one embodiment, the connector includes the relatively large rear portion of diameter and the relatively small front of diameter,
The rear portion penetrates in the connecting hole of distal femoral resection protection block, and the front is fixedly installed in the mounting hole of the sliding part
In.
Preferably, the length of the front is greater than the thickness of the main part of the sliding part, so that the front passes through
The mounting hole and the surface for protruding from the main part.
In one embodiment, the front of the connector is equipped with the fixation hole along connector radial direction, the fixation hole
Cooperate with the fixed pin of fixed spring, spring is fixed in the spring eye of sliding part and extends further into described by the fixed pin
In fixation hole.
In one embodiment, the two sides of the sliding rail of the sliding part are provided with the sliding part with sliding slot cooperation, institute
The thickness for stating the main part of the thickness sliding rail of sliding part is thin, so as to preferably cooperate with the sliding slot.
In one embodiment, the front end of the sliding rail is equipped with protrusion protruding upward.
In one embodiment, the bottom of the sliding rail is equipped with the limiting slot extended along the length direction of the sliding rail, institute
The locating part stated in limiting slot and the guider main body cooperates.
In one embodiment, the locking member have rectangular-shape main body, the main body bottom surface one to
Lower stretching protrusion, the shape of the protrusion match to be contained in the opening with the opening of the sliding part.
In one embodiment, the protrusion is equipped with rotating hole in the width direction, and the rotating hole is set to described convex
Out the bottom in portion and with the pin hole of the sliding part cooperate to penetrate pin shaft, the locking member and the sliding part can be rotated
Ground is connected with each other.
In one embodiment, the rear of the bottom surface of the locking member main body is equipped with tight lock part, and the tight lock part is from lock
The bottom surface of tight part main body integrally extends downwardly to be formed, and the locking slot of the tight lock part and femur osteotomy protection block cooperates, will
The guider and the fast mutually locking of femur osteotomy protection.
In one embodiment, the upper surface of the locking member main body is equipped with multiple spaced grooves and protrusion, with
The frictional force of finger and surface when increasing manual operation.
In one embodiment, it is additionally provided with spring fixed hole in the locking member main body, the spring fixed hole is from described
The upper surface of locking member main body extends to lower surface, to accommodate the spring catch of the fixed spring.
Distal end positioned in alignment device is conveniently and efficiently connected to distal femoral resection by femur osteotomy locating guider of the invention
In protection block, connection is accurate and reliable, distal end positioned in alignment device is effectively carried out to distal femoral resection protection block efficiently fixed
Position, positioning accuracy is high repeatedly, ensure that the surgical effect of different patients.
Detailed description of the invention
Fig. 1 is the perspective view of distal femoral resection protection block.
Fig. 2 is the main view of distal end positioned in alignment device.
Fig. 3 is the stereogram exploded view of femur osteotomy locating guider of the invention.
Fig. 4 is the perspective view of femur osteotomy locating guider of the present invention.
Fig. 5 is the stereogram exploded view of guider main body of the present invention.
Fig. 6 is the main view of the sliding part of femur osteotomy locating guider of the present invention, connector and locking member.
Fig. 7 is the sliding part of femur osteotomy locating guider of the present invention and the main view of connector.
Fig. 8 is the sliding part of femur osteotomy locating guider of the present invention and the top view of connector.
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below with reference to attached drawing, it is of the invention to be clearer to understand
Objects, features and advantages.It should be understood that embodiment shown in the drawings does not limit the scope of the present invention, and only it is
Illustrate the connotation of technical solution of the present invention.
In the following description, elaborate certain details to provide for the purpose for illustrating various disclosed embodiments
To the thorough understanding of various open embodiments.But it one skilled in the relevant art will recognize that can be in without these details
One or more details the case where get off to practice embodiment.Under other circumstances, well known device associated with this application,
Structure and technology may not be illustrated in detail or describe to avoid unnecessarily obscuring the description of embodiment.
Expression is in conjunction with the embodiments described to be referred to " one embodiment " or " embodiment " throughout the specification
Certain features, structure or feature are included at least one embodiment.Therefore, in each position of the whole instruction " at one
In embodiment " or " in an embodiment " in appearance without all referring to identical embodiment.In addition, certain features, structure or feature
It can combine in any way in one or more embodiments.
In the following description, structure and working method of the invention in order to clearly demonstrate, will be by many Directional words
It is described, but should be by the words such as "front", "rear", "left", "right", "outside", "inner", " outside ", " inside ", "upper", "lower"
Language understands for convenience of term, and is not construed as word of limitation.
The shape for needing distal femur part bone to cut out, and cut out in certain surgical operations i.e. with plant prosthese needs
It matches in position.The present inventor after extensive and in-depth study, from the angle for facilitating medical worker to use, for the first time
A kind of simple osteotomy positioning component of structure is developed, which includes distal femoral resection protection block, femur osteotomy locating guider
And distal end positioned in alignment device, these three components pass through the sides such as clamp button of the spring connection, the connection of shop bolt screw-threaded coupling respectively
Formula is removably secured connection, and easy to disassemble and cooperation is ingenious, it can be ensured that distal femoral resection protection block installation site is correct, and ensures
Medical worker uses patient the consistency of instrument gimmick in operation.
In the osteotomy positioning component, amputated after distal femoral resection protection block is fixed in femur according to set groove profile
The unwanted part of femur, femur osteotomy locating guider and distal end positioned in alignment device are used as guiding rotating device, and parallel
Vertical lines matching.Wherein, distal femoral resection protection block as shown in Figure 1 is most important part, because after it is fixed in femur
It needs to amputate unwanted part according to set groove profile.And other two components are then the guiding rotations of the parallel vertical line of matching
Rotary device.
As used herein, term " distal end " refers to the femoral component that needs are cut out.As used herein, term " vertical line " and " vertical
Line bar " is used interchangeably, and refers to the linear type instrument outside doctor.Whether the instrument that vertical line is used to match femur angle is installed
Correctly.
Vertical line bar is the shaft matched with distal end alignment means, and vertical line bar, which can be made one end, tip, convenient to insert
Enter distal end alignment means, the screw thread with the cooperation of distal end alignment means is also provided in vertical line bar.
Sequence in operation is, after vertical line bar is inserted into distal end positioned in alignment device, by adjusting the angle of needs, so
The distal femoral resection protection block 300 of Fig. 1 is connect installation with femur osteotomy locating guider 100 of the invention afterwards, is inserted into Fig. 2
Shown in distal end positioned in alignment device 200.
Then distal femoral resection protection block 300 shown in FIG. 1 is fixed on patient's femur by shop bolt, such doctor is just
Set angle can be found to cut off distal femur part.The angle for the vertical line bar that is rotatably assorted, and pass through spring button
It is cooperatively connected, it is ensured that distal femoral resection protection block installation site is correct.
In operation, it first ensures that function is osteotomy head, there is the screw hole of different location in distal femoral resection protection block,
It, being capable of precise positioning while adjusting instrument, it is ensured that femur osteotomy amount is stablized in operation.Dowel hole and sawing slot in osteotomy
For important feature in operation.Wherein the position degree precision of kerf is very high.In order to ensure founding the rotatable engagement of line angle degree, femur is utilized
Osteotomy distal end positioned in alignment device, it is ensured that vertical line bar can rotate to certain position.Mating feature precision is very high simultaneously, can be every
It is secondary to reach stable accurate connection type.It is efficient and convenient in order to ensure connecting, then it is led using femur osteotomy positioning of the invention
Accurate to ensure to connect to device, cooperation precision is high.
Fig. 1 is the perspective view of distal femoral resection protection block, and Fig. 2 is the main view of distal end positioned in alignment device, such as Fig. 1-2 institute
Show, femur osteotomy locating guider 100 of the invention is for connecting shown in distal femoral resection protection block 300 shown in FIG. 1 and Fig. 2
Distal end positioned in alignment device.
The femur osteotomy locating guider invented referring to Fig. 3-7 Duis is described in detail.
Fig. 3 is the stereogram exploded view of femur osteotomy locating guider of the present invention, and Fig. 4 is femur osteotomy positioning and guiding of the present invention
The perspective view of device.As shown in Figure 3 and Figure 4, femur osteotomy locating guider 100 generally comprises guider main body 10, sliding part
20, connector 30 and locking member 40.The bottom of guider main body 10 be provided with guide rod 11 with distal end positioned in alignment device
200 connections, sliding part 20 are slideably connect with guider main body 10, and connector 30 is installed on the rear portion of sliding part 20 and is used for
Distal femoral resection protection block 300 is connected, locking member 40 is rotationally connect with sliding part 20.By operation locking member 40 relative to cunning
The rotation of moving part 20 may make the mutually locking or unlock of femur osteotomy locating guider 100 and distal femoral resection protection block 300.
Fig. 5 is the stereogram exploded view of guider main body 10 of the present invention.Referring to Fig. 5 to guider main body 10 of the invention
It is described in detail.As shown in figure 5, guider main body 10 generally deposits a trapezoidal shape, with relatively wide bottom end
With relatively narrow top, bottom end setting jagged 12, the shape of the notch 12 is matched with the shape of the tail portion of sliding part 20, from
And the tail portion of sliding part 20 can be accommodated, hereafter it will be described further.
The left and right sides of notch 12 is provided with guide rod mounting hole 13, and the top of two guide rods 11 is respectively accommodated in notch
It is fixedly connected in the guide rod mounting hole 13 of 12 two sides and with guide body 10, is arranged in the guider main body in 12 front of notch
There is the sliding slot 14 extended along the longitudinal direction, sliding slot 14 is used to cooperate with the sliding rail 22 of sliding part 20, so that sliding part 20 can be slided
It is connected to guider main body 10 dynamicly.The front end of sliding slot 14 is provided perpendicular to the pin hole 15 of 14 bottom of sliding slot, pin hole 15 and limit
Position part 151 cooperates, and the limiting slot of the bottom of the sliding rail 22 of locating part 151 and sliding part 20 cooperates, thus along the chute to sliding rail 22
14 sliding displacements limited, prevent sliding rail 22 from further again along the chute 14 forward slips and be more than guider main body 10
Front end.
The bottom of sliding slot 14 is additionally provided with four symmetrical supported holes 16 and (only shows two supports of side in figure
Hole, other two supported hole are blocked and invisible by the baffle above sliding slot).Supported hole 16 and supporting pin 161 cooperate, supporting pin
161 protrude into supported hole from bottom to top and form the friction for supporting and reducing sliding rail and sliding slot to the bottom of sliding rail 21.
With continued reference to Fig. 5, guider main body 10 is additionally provided with scale 17, and the setting of scale 17 is performed the operation the moment in 14 two sides of sliding slot
Degree 17 can indicate that the angle that guider main body 17 is turned over relative to distal femoral resection protection block.Consequently facilitating doctor is in operation
Operation precision can more intuitively be held.The two sides of sliding slot 14 are additionally provided with irregularly-shaped hole 18, and irregularly-shaped hole 18 is along guider main body 10
Thickness direction extend to upper surface from lower surface.Anisotropic hole 18 in operation convenient for be viewed from above guide rod 11 whether with distal end
The pilot hole of positioned in alignment device is aligned, to facilitate the pilot hole 210 that guide rod 11 is inserted into distal end positioned in alignment device 200
It is interior.
Fig. 6 is the main view of the sliding part of femur osteotomy locating guider of the present invention, connector and locking member, and Fig. 7 is this
The sliding part of invention femur osteotomy locating guider and the main view of connector, Fig. 8 are femur osteotomy locating guiders of the present invention
Sliding part and connector top view.As shown in figs 6-8, sliding part 20 generally comprises main part 21 and from main part
Divide 21 sliding rails 22 integrally extended to form forward.Main part 21 is formed with out at cuboid or square and at rear portion on the whole
Mouth 23,23 shape that is open is matched with 41 shape of protrusion of the bottom of locking member 40, so that the protrusion 41 of locking member 40 can
In opening 22 to protrude into and be contained in the rear portion of sliding part 20.
The two sides of opening 23 form baffle 24, and baffle 24 is equipped with pin hole 25, and pin hole 25 and pin shaft 251 cooperate, pin shaft 251
In the rotating hole 42 for penetrating locking member 40 again after pin hole 25, so that locking member 40 is pivotally connected to sliding part 20
On.The front of opening 23 is equipped with the spring eye 24 extended from the top down, and spring eye 24 and spring 241 cooperate, the lower end of spring 241
It is installed in spring eye 24, the upper end of spring 241 is against the bottom of locking member 40.It will hereafter be described in further detail.
The lower part of the main part 21 of sliding part 20 is equipped with the connector mounting hole 26 extended along the length direction of sliding rail 22,
Connector mounting hole 26 is located at the lower section of sliding rail 22.Connector 30 on the whole at cylindric, and including diameter it is relatively large after
Portion 31 and the relatively small front 32 of diameter, for penetrating in the connecting hole of distal femoral resection protection block, front 32 is fixed at rear portion 31
It is installed in the mounting hole 26 of sliding part 20.Preferably, the length of front 32 is greater than the thickness of the main part 21 of sliding part 20,
To which front 32 passes through mounting hole 26 and protrudes from the surface of main part 21.Correspondingly, in the notch 12 of guider main body 10
Interior to be equipped with the pin hole (not shown) cooperated with the front 31 of connector 30, the rear portion 31 of connector 30 passes through the installation of sliding part 20
Hole 26 is simultaneously extend into the pin hole of connector 30, to play the role of for sliding part 20 and guider main body 10 being mutually located.
In the present embodiment, the front 32 of connector 30 is equipped with the fixation hole 321 along connector radial direction, this is fixed
Hole cooperates the fixed pin of fixed spring with connecting, which, which is fixed to spring in the spring eye 24 of sliding part 20, goes forward side by side one
Step protrudes into fixation hole 321.
The two sides of the sliding rail 22 of sliding part 20 are the sliding parts 221 cooperated with sliding slot 14, and the thickness of sliding part 221 is compared with sliding rail
The thickness of 22 main part is thin, so as to preferably cooperate with sliding slot 14.It is equipped in the front end of sliding rail 22 protruding upward convex
Portion 222 out.The limiting slot 223 extended along the length direction of guide rail 22, limiting slot 223 and guider are equipped in the bottom of sliding rail 22
Locating part 151 in main body 10 cooperates, when the sliding rail 22 of sliding part 21 is slided along the sliding slot 14 of guider main body 10, locating part
151 are matched in limiting slot 223 and are limited.
With continued reference to Fig. 6-8, locking member 40 has the main body 44 of rectangular-shape, integrally stretches downwards in the bottom surface of main body 43
Protrusion 41 out, protrusion 41 with shape match with the opening 23 of sliding part 20 to be contained in opening 23.Protrusion 41
In the width direction be equipped with rotating hole 42, rotating hole 42 be set to the bottom of protrusion 41 and with the pin hole of sliding part 20 25 cooperate with
Penetrate pin shaft 251, by by the protrusion 41 of locking member 40 be installed on opening 23 in, and by pin shaft 251 penetrate pin hole 25 and
It chooses to install in hole 42, so that locking member 40 and sliding part 20 are rotatably connected with each other.
The rear of the bottom surface of locking member main body 43 is equipped with tight lock part 44, and tight lock part 44 is from locking member in the present embodiment
The protrusion that the bottom surface of main body 43 integrally extends downwardly, the protrusion are located at the side where the connector 30 of protrusion 41, locking
The locking slot of portion 44 and femur osteotomy protection block cooperates, so as to which guider 100 and femur osteotomy are protected fast mutually locking.
The upper surface of locking member main body 43 is equipped with multiple spaced grooves and protrusion, finger when increasing manual operation
With the frictional force on surface, to play anti-skidding effect.Spring fixed hole 46, spring fixed hole are additionally provided in locking member main body 43
46 extend to lower surface from the upper surface of locking member main body 43, to accommodate the spring catch (not shown) of fixed spring 241.Bullet
Spring fixation hole 46 and tight lock part 44 are located at the front and rear sides of protrusion 41.When needing to unlock, pressing locking member main body 43
Front applies downward power to spring 241 by locking member main body 43 and spring force is overcome to shrink spring 231, locking member 43
It is rotation of the fulcrum progress around pin shaft 251 with protrusion 41, tight lock part 44 is lifted up the lock for exiting distal femoral resection protection block 300
Tight slot 320, is pulled along by entire guider 100, so that connecting column 30 exits the connection of femur osteotomy positioning protection block 300
Hole 310 separates guider 100 with femur osteotomy excision protection block 300.
When needing for guider 100 to connect with distal femoral resection protection block 300, by the way that stock is inserted at the rear portion 31 of connector 30
In the connecting hole 310 of resected bone protection block 300, locking member main body 43 is then pressed to spring 241 and applies pressure to overcome spring
Elastic force force spring 231 to be shunk, to lift tight lock part 44 to be caught in the locking slot 320 of distal femoral resection protection block 300
It is interior, distal femoral resection protection block is connected with each other and is locked with guider 100.In the course of surgery, rotating distal end pair can be passed through
Neat positioning device is to adjust the angle, and scale 17 can indicate rotation angle at this time.
Distal end positioned in alignment device is conveniently and efficiently connected to distal femoral resection by femur osteotomy locating guider of the invention
In protection block, connection is accurate and reliable, distal end positioned in alignment device is effectively carried out to distal femoral resection protection block efficiently fixed
Position, positioning accuracy is high repeatedly, ensure that the surgical effect of different patients.Adjustable locking member is relative to sliding part simultaneously
Position, and can indicate the angle rotated through in surgical procedure, while the slidable connection type of locking member and sliding part, with
And the visualization compounding practice of guide rod and pilot hole, it brings great convenience for operation.
Presently preferred embodiments of the present invention has already been described in detail above, it is understood that having read of the invention above-mentioned say
After awarding content, those skilled in the art can make various modifications or changes to the present invention.Such equivalent forms equally fall within this
Apply for the appended claims limited range.
Claims (10)
1. a kind of femur osteotomy locating guider, special for connecting distal femoral resection protection block and distal end positioned in alignment device
Sign is that the femur osteotomy locating guider includes:
Guider main body, the bottom of the guider main body are provided with guide rod to connect with the distal end positioned in alignment device,
And connector,
Sliding part, the sliding part are slideably connect with the guider main body,
Connector, the connector are installed on the rear portion of the sliding part and are used to connect the distal femoral resection protection block, and
Locking member, the locking member are rotationally connect with the sliding part, wherein
By operate the locking member relative to sliding part rotation may make the femur osteotomy locating guider with it is described
Distal femoral resection protection block is mutually locked or is unlocked.
2. femur osteotomy locating guider according to claim 1, which is characterized in that the guider main body has opposite
Jagged, the tail of the shape of the notch and the sliding part is arranged in wider bottom end and relatively narrow top, the bottom end
The shape in portion is matched to accommodate the tail portion of the sliding part.
3. femur osteotomy locating guider according to claim 2, which is characterized in that the left and right sides of the notch is arranged
There is guide rod mounting hole, the top of the guide rod is contained in the guide rod mounting hole and fixes with the guider main body
Connection.
4. femur osteotomy locating guider according to claim 3, which is characterized in that the guider master in front of the notch
The sliding slot extended along the longitudinal direction is provided on body, the sliding slot is used to cooperate with the sliding rail of the sliding part, thus the cunning
Moving part is slidably connected to the guider main body.
5. femur osteotomy locating guider according to claim 4, which is characterized in that the femur osteotomy locating guider
It further include locating part, the front end of the sliding slot is provided perpendicular to the pin for being used to install the locating part of the sliding slot bottom
Hole, the bottom of the sliding rail of the sliding part are equipped with limiting slot, and the locating part and the limiting slot cooperate.
6. femur osteotomy locating guider according to claim 4, which is characterized in that the guider main body is additionally provided with quarter
The two sides of the sliding slot are arranged in degree, the scale.
7. femur osteotomy locating guider according to claim 4, which is characterized in that the two sides of the sliding slot are additionally provided with
Irregularly-shaped hole, the irregularly-shaped hole extend to upper surface from lower surface along the thickness direction of the guider main body.
8. femur osteotomy locating guider according to claim 4, which is characterized in that the sliding part includes main part
And the sliding rail integrally extended to form from the main part, wherein the main part is formed with along the opposite direction of the sliding rail
Opening, the formation of the locking member have protrusion, the protrusion shape of the shape of the opening and the bottom of the locking member
Shape matching, so that the protrusion of the locking member can extend into and accommodate in the opening.
9. femur osteotomy locating guider according to claim 8, which is characterized in that the two sides of the opening form gear
Plate, the baffle are equipped with pin hole, and the pin hole and pin shaft cooperate, and the pin shaft penetrates the locking member after passing through the pin hole again
Rotating hole in, so that the locking member is pivotally connected on the sliding part.
10. femur osteotomy locating guider according to claim 8, which is characterized in that the front of the opening be equipped with from
On the spring eye that extends downwardly, the lower end of the spring is installed in the spring eye.
In one embodiment, the lower part of the main part of the sliding part is equipped with the connector extended along the length direction of sliding rail
Mounting hole, the connector mounting hole are located at the lower section of the sliding rail.
In one embodiment, the connector includes the relatively large rear portion of diameter and the relatively small front of diameter, described
Rear portion penetrates in the connecting hole of distal femoral resection protection block, and the front is fixedly installed in the mounting hole of the sliding part.
Preferably, the length of the front is greater than the thickness of the main part of the sliding part, so that the front is across described
Mounting hole and the surface for protruding from the main part.
In one embodiment, the front of the connector is equipped with the fixation hole along connector radial direction, the fixation hole and solid
Determine the fixed pin cooperation of spring, spring is fixed in the spring eye of sliding part and extends further into the fixation by the fixed pin
Kong Zhong.
In one embodiment, the two sides of the sliding rail of the sliding part are provided with the sliding part with sliding slot cooperation, the cunning
The thickness of the main part of the thickness sliding rail in dynamic portion is thin, so as to preferably cooperate with the sliding slot.
In one embodiment, the front end of the sliding rail is equipped with protrusion protruding upward.
In one embodiment, the bottom of the sliding rail is equipped with the limiting slot extended along the length direction of the sliding rail, the limit
Locating part on position slot and the guider main body cooperates.
In one embodiment, the locking member has the main body of rectangular-shape, integrally stretches downwards in the bottom surface of the main body
Protrusion out, the shape of the protrusion match to be contained in the opening with the opening of the sliding part.
In one embodiment, the protrusion is equipped with rotating hole in the width direction, and the rotating hole is set to the protrusion
Bottom and cooperate with the pin hole of the sliding part to penetrate pin shaft, by the locking member and the sliding part rotationally phase
It connects.
In one embodiment, the rear of the bottom surface of the locking member main body is equipped with tight lock part, and the tight lock part is from locking member
The bottom surface of main body integrally extends downwardly to be formed, and the locking slot of the tight lock part and femur osteotomy protection block cooperates, will be described
Guider and the fast mutually locking of femur osteotomy protection.
In one embodiment, the upper surface of the locking member main body is equipped with multiple spaced grooves and protrusion, to increase
The frictional force of finger and surface when manual operation.
In one embodiment, it is additionally provided with spring fixed hole in the locking member main body, the spring fixed hole is from the locking
The upper surface of part main body extends to lower surface, to accommodate the spring catch of the fixed spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910719172.7A CN110477994A (en) | 2019-08-08 | 2019-08-08 | Femur osteotomy locating guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910719172.7A CN110477994A (en) | 2019-08-08 | 2019-08-08 | Femur osteotomy locating guider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110477994A true CN110477994A (en) | 2019-11-22 |
Family
ID=68549491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910719172.7A Pending CN110477994A (en) | 2019-08-08 | 2019-08-08 | Femur osteotomy locating guider |
Country Status (1)
| Country | Link |
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| CN (1) | CN110477994A (en) |
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| CN111053591A (en) * | 2019-12-30 | 2020-04-24 | 北京市春立正达医疗器械股份有限公司 | Intercondylar osteotomy guider |
| CN111281476A (en) * | 2020-03-10 | 2020-06-16 | 北京市春立正达医疗器械股份有限公司 | Medullary cavity filing handle |
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