CN108742977A - Bone distraction device - Google Patents
Bone distraction device Download PDFInfo
- Publication number
- CN108742977A CN108742977A CN201810447667.4A CN201810447667A CN108742977A CN 108742977 A CN108742977 A CN 108742977A CN 201810447667 A CN201810447667 A CN 201810447667A CN 108742977 A CN108742977 A CN 108742977A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- supporting rod
- draw bar
- traction
- bone distraction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
- A61F5/042—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for extension or stretching
Abstract
The present invention provides a kind of bone distraction devices, belong to the field of medical instrument technology.Include the tractor for being drawn to target location, the hitch frame for installing tractor, the supporting rod below hitch frame, the locking adjusting part for supporting rod to be mounted on to the mounting assembly on operating bed, the horizontal distance for adjusting supporting rod and operating bed, locking adjusting part is fixed in mounting assembly, and hitch frame is rotatably mounted on by the first rotary components on supporting rack.Bone distraction device provided by the invention is compared with prior art, the significant draft travel for improving draft gear, the distracted position and traction angle of tractor can be adjusted according to clinical demand, significantly increase the scope of application of draft gear, and it is convenient for disassembly and assembly, easy to carry, suitable for being promoted in clinical medicine.
Description
Technical field
The invention belongs to the field of medical instrument technology, are to be related to a kind of bone distraction device more specifically.
Background technology
Bone traction is therapy one of of the orthopaedics for the reset of fracture, fixation and many other orthopaedic diseases.It is existing
Bone distraction device mainly have two kinds of a Thomas's hitch frame and brown traction frame, wherein Thomas's hitch frame needs special
Traction table, and volume is big, and cost is high, and although brown traction frame does not need traction table, but because its length and angle cannot
Adjustment, traction angle often up to less than optimum state, it is difficult to meet patient lie on one's side, supine prostrate, lateral position, lithotomy position,
The traction requirements of more positions such as sandy beach position, and the draft travel of above two draft gear is all smaller, it is difficult to meet various clinics
Traction requirements.
Invention content
The present invention provides a kind of bone distraction devices, it is intended to it is short and suitable to solve draft gear draft travel in the prior art
The technical issues of with narrow range.
To achieve the above object, include for the limbs to target location the present invention provides a kind of bone distraction device
The tractor that is drawn, for the tractor is installed and drive hitch frame that the tractor is moved forward and backward, be set to it is described
Below hitch frame for adjust the hitch frame relative to the supporting rod of the height and position of operating bed, for the supporting rod to be pacified
The locking adjusting part of mounting assembly on operating bed, the horizontal distance for adjusting the supporting rod and operating bed；Institute
It states locking adjusting part to be fixed in the mounting assembly, the hitch frame is rotatably mounted on the branch by the first rotary components
On strut.
Further, the tractor include installing arm for being fixedly connected with the hitch frame, two be arranged in institute
State in installing arm and can along the link block that the installing arm length direction slides, two with the vertically disposed traction of the installing arm
Arm and it is arranged and in the end of the draft arm is used to that the fixed mechanism of pull needle to be installed；The draft arm is arranged in the company
It connects in block and along being slidably matched with the link block perpendicular to the installing arm glide direction, is additionally provided on the link block
For the fixed locking pin for locking the installing arm and the draft arm.
Further, the hitch frame includes for installing the traction component of the tractor, for driving the traction
The draw bar of component back-and-forth motion is set in the guidance set for being oriented to and limiting outside the draw bar；The draw groups
Part is rotatablely installed by the second rotary components relative to the draw bar, and the guidance set is equipped with for fastening the traction
First fastening handle of bar.
Further, the traction component includes being used for fixing the axis ear of the tractor, being located at axis ear end
In the sleeve of the fixation axis ear, positioned at the sleeve inner it is used to that the sleeve to be driven to move along the sleeve axis direction
First leading screw, the fixed seat with first threads of lead screw with merging for being connect with second rotary components；The fixation
Seat is located at the sleeve inner, and the sleeve is equipped with for making the sleeve relative to the fixed seat along the sleeve axis
The fluting of direction movement, the traction handle are set to the shaft end of the sleeve for driving first leading screw to rotate.
Further, second rotary components include the fixing axle being fixedly connected with the draw bar, be set in it is described
Fixing axle outside and the rotating shaft tube for being used to rotate around the fixing axle and the fixing axle screw-thread fit are simultaneously described for driving
The first outer shaft that fixing axle is moved along the fixing axle axis direction；The fixing axle is far from described draw bar one end and described
Rotating shaft tube inner tube wall is equipped with mutually engageable face gear, and the rotating shaft tube passes through institute far from described draw bar one end
Fluting is stated to be fixedly connected with the fixed seat.
Further, the guidance set includes the guide pad for being oriented to and limiting, and the guide pad is equipped with and is used for
The through-hole for making the draw bar pass through, the through-hole, which is internally provided with, to be used to support the draw bar and guides the more of its back-and-forth motion
A idler wheel.
Further, first rotary components include the mutually engageable upper helical axis for the side of puting on the supporting rod
Set and lower spiral sleeve, the lower spiral sleeve outer cover are equipped with the second outer shaft with the lower spiral sleeve screw-thread fit；
The lower spiral sleeve is equipped with guide post with the end face of engaging of the upper screw-casing, and the guide post runs through the upper helical axis
Set, the upper spiral sleeve can be rotated around the guide post, and the guiding band of column week is equipped with spring, the upper spiral sleeve and institute
When stating the engagement of lower spiral sleeve, the spring is in compressive state, and the lower spiral sleeve is connect with the supporting rod, it is described on
Spiral sleeve is connect with the guidance set.
Further, the mounting assembly includes the intermediate connection for connecting operating bed and the locking adjusting part
Part and for the intermediate connector to be fixed on the first locking stud on operating bed, the intermediate connector is equipped with
Connecting seat for fixing the locking adjusting part, the intermediate connector are equipped with for the intermediate connector to be clamped
Locating rod on operating bed.
Further, the locking adjusting part includes being set in outside the supporting rod to be used to lock in short transverse
It the lock sleeve of the supporting rod and is fixed together the water for adjusting the supporting rod and operating bed with the mounting assembly
The adjusting rod of flat distance；The lock sleeve is equipped with the through-hole passed through for the adjusting rod, and the lock sleeve is equipped with and is used for
The the second locking stud lock sleeve being fixed on the adjusting rod.
Further, it is equipped between the locking adjusting part and the mounting assembly opposite for limiting the supporting rod
In intermeshing first fluted disc of operating bed rotation angle and the second fluted disc, first fluted disc is installed by head rod
In the mounting assembly, second fluted disc is mounted on by the second connecting rod on the adjusting rod.
Bone distraction device advantageous effect provided by the invention is, compared with prior art, by fixing tractor
On hitch frame, driving hitch frame be moved forward and backward realize tractor target location is drawn, tractor including but not limited to
Traction bow and traction shoes can be suitable for different clinical operating modes by replacing the tractor of different size and type.Hitch frame
Lower section is equipped with for adjusting supporting rod of the hitch frame relative to the height and position of operating bed, and supporting rod is mounted on by mounting assembly
On operating bed, mounting assembly one end is equipped with locking adjusting part, can be by locking adjusting part in short transverse and level side
It is adjusted up the relative position relative to operating bed of supporting rod, and then adjusts the phase of hitch frame and tractor relative to operating bed
To position, the draft travel of draft gear is significantly increased；In addition, hitch frame is mounted on supporting rack by the first rotary components
On, then the relative angle of hitch frame and tractor and operating bed can be adjusted by the first rotary components.It to sum up, can be according to facing
Bed demand adjusts distracted position and traction angle of the tractor relative to operating bed, is suitable for various clinical operating modes.Meanwhile passing through
Mounting assembly, which is arranged, to be installed to what supporting rod quickly consolidated on operating bed, and convenient disassembly realizes Fast Installation.The present invention
The bone distraction device of offer significantly improves the draft travel of draft gear, and terminal traction can be adjusted according to clinical demand
The distracted position and traction angle of device significantly increase the scope of application of draft gear, and convenient for disassembly and assembly, easy to carry, fit
Preferably promoted in clinical medicine.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structural schematic diagram of bone distraction device provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of tractor provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of hitch frame provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of traction component provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the second rotary components provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of guidance set provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of the first rotary components provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of supporting rod provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of mounting assembly provided in an embodiment of the present invention.
Figure 10 is the structural schematic diagram of locking adjusting part provided in an embodiment of the present invention；
Figure 11 is the structural schematic diagram of limit assembly provided in an embodiment of the present invention；
Figure 12 is the structural schematic diagram of rotation component provided in an embodiment of the present invention.
Wherein, each reference numeral in figure：
1- tractors；101- installing arms；1011- mounting holes；102- draft arms；103- link blocks；104- locking pins；
105- fixed mechanisms；2- hitch frames；201- traction components；2011- axis ears；2012- sleeves；The first leading screws of 2013-；2014- is solid
Reservation；2015- slots；2016- rotary shafts；The second fastening handles of 2017-；202- draw bars；203- guidance sets；2031- is led
To block；2032- idler wheels；2033- through-holes；2033- wear strips；2034- side plates；The second rotary components of 204-；2041- fixing axles；
2042- rotating shaft tubes；The first outer shafts of 2043-；2044- first end face gears；2045- third fastening handles；205- first is tight
Gu handle；3- supporting rods；301- outer columns；302- inner columns；The second leading screws of 303-；304- driving handles；305- is nonmetallic to be led
To item；4- mounting assemblies；401- middle connecting plates；402- first locks stud；403- fixed seats；404- locating rods；4041-
Limited post；5- locking assemblies；501- lock sleeves；502- adjusting rods；503- second locks stud；504- eccentric bushings；505- thirds
Lock stud；The first rotary components of 6-；The upper spiral sleeves of 601-；Spiral sleeve under 602-；The second outer shafts of 603-；604-
Four fastening handles；605- guide posts；606- springs；607- second end face gears；7- limit assemblies；The first fluted discs of 701-；702-
Second fluted disc；The first fastening screws of 703-；704- fastening nuts；705- head rods；The second connecting rods of 706-；8- draws hand
Handle；9- rotation plates；901- adjusts straight slot；The second fastening screws of 902-；10- fixed plates.
Specific implementation mode
In order to make technical problems, technical solutions and advantages to be solved be more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is that orientation based on ... shown in the drawings or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, " multiple ", " several " be meant that two or
Two or more, unless otherwise specifically defined.
Also referring to Fig. 1 and Fig. 3, now bone distraction device provided by the invention is illustrated.A is drawn to for orthopaedics
The highly mobile direction of supporting rod in device, the adjusting direction of C locking and regulating devices in for bone distraction device, A to C to
Vertically, B to perpendicular to A to C to.Bone distraction device include the tractor 1 drawn for the limbs to target location,
For tractor 1 is installed and drive hitch frame 2 that tractor 1 is moved forward and backward, set on the lower section of hitch frame 2 for adjusting hitch frame 2
The supporting rod 3 of height and position relative to operating bed, for by supporting rod 3 be mounted on operating bed on mounting assembly 4, for adjusting
The locking adjusting part 5 of supporting rod 3 and the horizontal distance of operating bed is saved, locking adjusting part 5 is fixed in mounting assembly 4, leads
Draw frame 2 to be rotatably mounted on supporting rack 3 by the first rotary components 6.
Tractor 1 include but not limited to traction bow and traction shoes, traction bow for fixed traction needle and to target location into
Row traction, traction shoes can be directly anchored to carry out traction work on hitch frame 2, and hitch frame 2 is for installing tractor 1 and driving
Tractor 1 is moved forward and backward, and 2 lower section of hitch frame is equipped with supporting rod 3, and supporting rod 3 is used to support hitch frame 2 and adjusts 2 phase of hitch frame
For the height and position of operating bed, supporting rod 3 can be square bar, round bar or special-shaped bar.In embodiment one, supporting rod 3 is circle
Bar, locking adjusting part 5 are located at the lower section of supporting rod 3, and locking adjusting part 5 is set in the periphery of supporting rod 3, and supporting rod 3 can
It is moved in locking adjusting part 5 along short transverse A, realizes adjustment of the hitch frame 2 relative to operation bed height.Embodiment two
In, the interior bar and outer bar being arranged may be used in supporting rod 3, using ball-screw realize supporting rod 3 along short transverse A to flexible,
Realize adjustment of the hitch frame 2 relative to operation bed height.
Hitch frame 2 is mounted on by the first rotary components 6 on supporting rod 3, and hitch frame 2 is rotatable relative to supporting rod 3,
The rotation axis of hitch frame 2 can both be parallel to A to, can also be parallel to B to.In the present embodiment, the rotation axis of hitch frame 2 is parallel
In A to hitch frame 2 can 360 degree rotation, realization traction in the plane for being parallel to operating bed plate face relative to supporting rod 2 at this time
The adjusting of angle.
Bone distraction device advantageous effect provided by the invention is, compared with prior art, by fixing tractor
On hitch frame, driving hitch frame be moved forward and backward realize tractor target location is drawn, tractor including but not limited to
Traction bow and traction shoes can be suitable for different clinical operating modes by replacing the tractor of different size and type.Hitch frame
Lower section is equipped with for adjusting supporting rod of the hitch frame relative to the height and position of operating bed, and supporting rod is mounted on by mounting assembly
On operating bed, mounting assembly one end is equipped with locking adjusting part, can be by locking adjusting part in short transverse and level side
It is adjusted up the relative position relative to operating bed of supporting rod, and then adjusts the phase of hitch frame and tractor relative to operating bed
To position, the draft travel of draft gear is significantly increased；In addition, hitch frame is mounted on supporting rack by the first rotary components
On, then the relative angle of hitch frame and tractor and operating bed can be adjusted by the first rotary components.It to sum up, can be according to facing
Bed demand adjusts distracted position and traction angle of the tractor relative to operating bed, is suitable for various clinical operating modes.Meanwhile passing through
Mounting assembly, which is arranged, to be installed to what supporting rod quickly consolidated on operating bed, and convenient disassembly realizes Fast Installation.The present invention
The bone distraction device of offer significantly improves the draft travel of draft gear, and terminal traction can be adjusted according to clinical demand
The distracted position and traction angle of device significantly increase the scope of application of draft gear, and convenient for disassembly and assembly, easy to carry, fit
Preferably promoted in clinical medicine.
Further, it please refers to Fig.1 and Fig. 8, a kind of specific embodiment party as bone distraction device provided by the invention
Formula, supporting rod 3 include the outer column 301 being mutually arranged and inner column 302, for driving inner column 302 along about 301 outer column
The second mobile leading screw 303；Outer column 301 is internally provided with for being oriented to and the non-metal guide item 304 of abrasionproof, the second leading screw
303 rod end is equipped with driving handle 304.
Outer column 301 and inner column 302 are set-located, and second leading screw 303 is ball-screw, and the 403 of the second leading screw
One end is fixed on outer column 301, and the other end is connect by fixing nut with inner column 302, then rotating the second leading screw 303 can be with
Realize that inner column 302 is moved up and down relative to outer column 301, this has driving handle 304 to 303 shaft end of the second leading screw, is conveniently operated.
Simultaneously 301 inner wall of outer column be equipped with for is oriented to the non-metal guide item 305 of abrasionproof, can effectively avoid inner column
302 shake or scratch in outer column 301.Design by the second leading screw being connect with outer column and inner column, Ke Yishi
Existing inner column is moved up and down relative to outer column, adjusts the length of supporting rod, and then adjusts height of the hitch frame relative to operating bed
Degree.
Further, referring to Fig. 2, a kind of specific implementation mode as bone distraction device provided by the invention, leads
Lead device 2 includes for being arranged in installing arm 101 with 201 fixed installing arm of traction component 101, two and can be along installing arm
The link block 103, two of 101 length directions sliding is vertically arranged draft arm 102 with installing arm 101, is arranged in draft arm 102
End be used to install the fixed mechanism 105 of pull needle, the setting of draft arm 102 is in link block 103 and along perpendicular to installation
101 glide direction of arm is slidably matched with link block 103, be additionally provided on link block 103 for fixed locking installing arm 101 and
The locking pin 104 of draft arm 102, installing arm 101 are equipped with mounting hole 1011.It, can be along the length of installing arm 101 in this structure
Side adjusts upward the distance between two draft arms 102, and installing arm 101 and traction can be also adjusted along 102 length direction of draft arm
The distance between needle, by the locking pin 104 that is arranged on link block 103 by installing arm 101 and draft arm after the completion of adjustment
102 are fixed, and realizing traction bow of the present invention in multiple sizes by the way that link block 103 is arranged is adjusted, and makes traction bow
Corresponding size adjusting can be carried out according to the physical condition of different patients, keep the use enhanced convenience of traction bow simple.
Further, referring to Fig. 3, a kind of specific implementation mode as bone distraction device provided by the invention, D to
For the moving direction of draw bar, hitch frame 2 includes for installing the traction component 201 of tractor, for driving traction component 201
The draw bar 202 of back-and-forth motion is set in guidance set 203, traction component of 202 outside of draw bar for being oriented to and limiting
201 are rotatablely installed by the second rotary components 204 relative to draw bar 202, and guidance set 203 is equipped with for fastening traction
First fastening handle 205 of bar 202.
When practical application, traction component 201 is mounted on to the end of draw bar 202,202 other end of draw bar, which passes through, to be oriented to
Component 203, draw bar 202 can be pushed the back-and-forth motion for being moved forward and backward, and then realizing traction component 201 by operating personnel.It leads
It can be square bar, round bar or rectangular shaft to draw bar 202, and draw bar 202 selects square steel, traction component 201 in the present embodiment
Mounted on the one side of draw bar 202, then draw bar 202 can be in guidance set 203 according to the rotation of four faces of square steel, realization
The installation of 201 four direction of traction component, and square steel is more convenient the first fastening handle 205 and is fastened to draw bar 202.
Traction component 201 is mounted on by the second rotary components 204 on draw bar 202, and traction component 201 is relative to leading
It is rotatable to draw bar 202, the rotation axis of traction component 201 can also be parallel to draw bar perpendicular to the axis of draw bar 1
202 axis.In the present embodiment, the rotation axis of traction component 201 can realize traction at this time perpendicular to the axis of draw bar 202
Component 201 is relative to 202 parallel installation of draw bar.Hitch frame can be fixed on by supporting rod and mounting assembly operating personnel
Target location may be implemented traction component by mobile draw bar and be moved along the big stroke of draw bar axis direction, and stroke is reachable
1200mm increases degree of freedom of the tractor on draw bar direction, can adjust traction component with respect to supporting rod along traction
Distance on rod axis direction.In addition, traction component is rotatably installed on draw bar by the way that the second rotary components are arranged, realize
Installation direction of the traction component relative to draw bar, Jin Ershi is arranged in rotation of the traction component relative to draw bar according to demand
A variety of installation directions of existing tractor.
Further, referring to Fig. 4, a kind of specific implementation mode as bone distraction device provided by the invention, leads
It includes the axis ear 2011 for installing tractor 1 to draw component 201, is located at the sleeve that 2011 end of axis ear is used for fixing axle ear 2011
2012, the first leading screw 2013 and 2013 spiral shell of the first leading screw being moved forward and backward for drive sleeve 2012 positioned at 2012 inside of sleeve
Line is with the fixed seat 2014 merged for being connect with the second rotary components 204；Fixed seat 2014 is located inside sleeve 2012, set
Cylinder upper 2012 is equipped with the fluting 2015 for making sleeve 2012 be moved forward and backward relative to fixed seat 2014, and traction handle 8 is set to set
The shaft end of cylinder 2012 is used to drive the rotation of first leading screw 2013.
First leading screw 2013 is ball-screw, and fixed seat 2014 is equipped with tapped through hole, and the first leading screw 2013 is logical through screw thread
The first leading screw 2013 and fixed seat 2014 may be implemented in hole and 2014 screw-thread fit of fixed seat, driving the first leading screw 2013 rotation
Relative movement, the first leading screw 2013 are fixed on sleeve 2012, and fixed seat 2014 is fixedly connected with the second rotary components 204, Gu
Reservation 2014 is located inside sleeve 2012, and sleeve 2012 is equipped with fluting 2015, then rotation traction traction handle 8, can be with drive sleeve
2012 are moved forward and backward relative to the second rotary components 204, that is, realize that traction component 201 is moved forward and backward relative to draw bar 202.It is excellent
Choosing, it can be used to mark traction component 201 relative to draw bar 202 close to the end set of traction handle 8 in sleeve 2012
The dial of relative movement distance.The design of this structure, may be implemented the fine tuning of tractor installation site, can in practical application
To be sent traction component to target location by draw bar, then rotates traction handle and essence is carried out to the position of traction component
Really adjustment and draw operations, using closer to clinical practice operating mode.
Further, referring to Fig. 4, a kind of specific implementation mode as bone distraction device provided by the invention, axis
Ear 2011 is located at one end inside sleeve 2012 and is equipped with the rotary shaft 2016 being rotatably assorted with sleeve 2012, is set on sleeve 2012
It is useful for the second fastening handle 2017 of fastening rotary shaft 2016.Rotary shaft 2016 is fixed on 2012 one end of sleeve, is located at sleeve
Inside 2012, the second fastening handle 2017 includes handle and the stud that is fixed on handle, stud and is fixed on sleeve 2012
Fastening nut screw-thread fit, screwing and unscrewing for the second fastening handle 2017 may be implemented.Preferably, rotary shaft and stud pair
Offer in the position ring week answered with the matched groove of stud size, when the second fastening handle is screwed, stud be inserted into inside grooves,
It fastens relatively reliable.The setting of this structure may be implemented axis ear relative sleeve rotation installation and fix so that the fixation of tractor
Position is more diversified.
Further, referring to Fig. 5, a kind of specific implementation mode as bone distraction device provided by the invention,
Two rotary components 204 include the fixing axle 2041 being fixedly connected with draw bar 202, be set in 2041 outside of fixing axle and for around
The rotating shaft tube 2042 and 2041 screw-thread fit of fixing axle of the rotation of fixing axle 2041 simultaneously are used to drive fixing axle 2041 along fixing axle
First outer shaft 2043 of 2041 axis directions movement；Fixing axle 2041 is far from 2042 inner cylinder of draw bar one end and rotating shaft tube
Wall is equipped with mutually engageable first end face gear 2044, and rotating shaft tube 2042 is far from 202 one end of draw bar and fixed seat
2014 are fixedly connected, and are equipped with the third fastening handle for driving the first outer shaft 2043 to rotate in 2043 ring week of the first outer shaft
2045。
Fixing axle 2041 is fixed on draw bar 202, inner wall and 2041 clearance fit of fixing axle of rotating shaft tube 2042,
Rotating shaft tube 2042 can be rotated around fixing axle 2041, the one end of rotating shaft tube 2042 far from draw bar 202 and fixed seat 2014
It is fixedly connected, 2013 screw-thread fit of fixed seat 2014 and the first leading screw, then rotating shaft tube 2042 is rotated around fixing axle 2041, in turn
Realize that traction component 201 is rotated around draw bar 202.End of the fixing axle 2041 far from draw bar 202 is taper, rotating shaft tube
2042 positions for rotating cooperation are equipped with tapered portion, it may be convenient to be positioned, avoid rotating shaft tube 2042 in fixing axle
It is shaken on 2041.
Fixing axle 2041 is multi-diameter shaft, and the first shaft portion diameter of axle of the fixing axle 2041 close to 202 end of draw bar is smaller, outside first
Axle sleeve 2043 is mounted on the stepped locations of fixing axle 2041, and the first outer shaft 2043 and first shaft portion rotation are hinged, with the diameter of axle
Larger the second shaft portion screw-thread fit, the first outer shaft 2043 of rotation can be such that it is moved along 2041 axis direction of fixing axle, by
It is fixed in axis direction of first outer shaft 2043 with fixing axle 2041 in fixing axle, therefore rotating the first outer shaft 2043 can drive
Fixing axle 2041 is close to rotating shaft tube 2042.One end and rotating shaft tube 2042 inner cylinder of the fixing axle 2041 far from draw bar 202
Wall is equipped with mutually engageable first end face gear 2044, and fixing axle 2041 is close to rotating shaft tube 2042 so that first end face tooth
2044 engagement of wheel, realizes the locking of rotating shaft tube 2042 and fixing axle 2041.2043 ring week of first outer shaft is equipped with for driving
Its third fastening handle 2045 rotated, there are three third fastening handles 2045, in 2043 external rings Zhou Junbu of the first outer shaft,
It is conveniently operated.The setting of this structure may be implemented traction component and be installed relative to the rotation of draw bar, and setting using tapered portion
Meter, can effectively avoid the shaking in rotary course, and tooth engagement is reliable and stable, traction component can be made relative to draw bar
Reliably according to target direction is fixed.
Further, referring to Fig. 6, a kind of specific implementation mode as bone distraction device provided by the invention, leads
Include the guide pad 2031 for being oriented to and limiting to component 203, the guide pad 2031 is equipped with for making draw bar 202 wear
The through-hole crossed, through-hole, which is internally provided with, is used to support draw bar 202 and to guide it to be moved up in draw bar moving direction A multiple
Idler wheel 2032, about 2032 multiple idler wheels are arranged in through-hole.
Guide pad 2031 can be rectangular block, square block or special-shaped block, and guide pad 2031 is rectangle in the present embodiment
Block, guide pad 2031 are equipped with the through-hole for making draw bar 202 pass through, and the size of through-hole is slightly larger than the size of draw bar 202,
Then draw bar 202 can be slided along the axis direction of the through-hole of guide pad 2031, realize draw bar 202 A to operation.Through-hole
It is internally provided with idler wheel 2032, idler wheel 2032 has multiple, and idler wheel 2032 there are 4 in the present embodiment, 4 2032 cloth symmetrical above and below of idler wheel
It sets, the distance between idler wheel 2032 of setting symmetrical above and below is the height dimension of draw bar 202, and draw bar 202 is preferably square steel,
It is square hole that then through-hole, which also matches, then draw bar 202 can rotate in guide pad 2031 according to four faces of square steel, realize four sides
To installation.The idler wheel 2032 of arrangement symmetrical above and below is along through-hole direction close proximity to the edge of guide pad 2031.The design of idler wheel
Draw bar can be facilitated to be moved inside guide pad, and as slight deformation occurs for draw bar will not be stuck, be conveniently operated people
Member carries out draw operations.
Further, referring to Fig. 6, a kind of specific implementation mode as bone distraction device provided by the invention, leads to
Hole is internally provided with the wear strip 2033 being fixedly connected with the first fastening handle 205 and for preventing the draw bar from scratching.
First fastening handle 205 is located at the side of rectangular guide pad 2031, and the first fastening handle 205 is located at guide pad 2031
Top.First fastening handle 205 includes operation handle and the screw rod for being threadedly coupled with guide pad 2031, rotation process hand
The draw bar 202 that handle makes screw extruding be located inside guide pad 2031 completes the fixation of draw bar 202, screw extruding draw bar
It is easy to scratch draw bar 202 when 202.In the present embodiment, wear strip 2033, abrasionproof are equipped in screw rod and 202 contact jaw of draw bar
The material of plate 2033 is preferably copper, it is possible to prevente effectively from screw rod scratches draw bar 202；Preferably, through-hole internal side wall is equipped with
Abrasionproof side plate 2034.The setting of wear strip 2033 can effectively avoid the first fastening handle 205 from scratching draw bar 202, and anti-
Nog plate 2033 can be used as a vulnerable part, periodically be replaced.
Further, Fig. 3 and Fig. 7 are please referred to, a kind of specific embodiment party as bone distraction device provided by the invention
Formula, the first rotary components 6 include mutually the upper spiral sleeve 601 of tooth engagement and lower spiral sleeve 602, being set in lower helical axis
Set 602 outside and with the second outer shaft 603 of lower spiral sleeve screw-thread fit 602；Lower spiral sleeve 602 and upper screw-casing 601
It engages end face and is equipped with guide post 605, guide post 605 runs through upper spiral sleeve 601, and upper spiral sleeve 601 can be around guide post
605 rotations；605 ring week of guide post is equipped with spring 606, when upper spiral sleeve 601 is engaged with lower spiral sleeve 602, spring 606
In compressive state；Upper spiral sleeve 601 is connect with the guidance set 203 of hitch frame 2, lower spiral sleeve 602 and supporting rod 3
Connection.
Lower 602 upper end of spiral sleeve is equipped with second end face gear 607, and 601 lower end of upper spiral sleeve is equipped with a circular groove,
Groove, which is equipped with, to be equipped with and pass through with 602 intermeshing second end face gear 607 of lower spiral sleeve, lower spiral sleeve 602
The guide post 605 of spiral sleeve 601 is put on, upper spiral sleeve 601 is connect with supporting rod 3, lower spiral sleeve 602 and guidance set
When 203 connections, upper spiral sleeve 601 and lower spiral sleeve 602 separate, upper spiral sleeve 601 can be rotated around guide post 605,
And then realize guidance set 203 relative to supporting rod 3 360 degree rotation on the axis direction of supporting rod 3.
Lower 602 outer wall of spiral sleeve be equipped with screw thread, and with the second outer shaft 603 positioned at lower spiral sleeve 602 ring week
It is threadedly coupled, the second outer shaft 603 is equally set in the ring week of spiral sleeve 601, and upper spiral sleeve 601 can be outside second
It is rotated around guide post 605 inside axle sleeve 603, the second outer shaft 603 is equipped with end cap, can be to avoid upper spiral sleeve 601 from second
Deviate from outer shaft 603, rotate the second outer shaft 603, lower spiral sleeve 602 can be made to move up, close to upper spiral sleeve
601 so that the second end face gear 607 of upper and lower spiral sleeve meshes together, then upper spiral sleeve 601 can not be again relative to leading
It is rotated to column 605, while tightening the second outer shaft 603 and squeezing the spiral sleeve meshed together to end cap, spiral in realization
The locking of axle sleeve 601 and lower spiral sleeve 602 carries out the locking for realizing guidance set 203 and supporting rod 3.Second outer shaft 603
Outside is equipped with the 4th fastening handle 604, and the personnel that can be conveniently operated operate.
605 ring week of guide post is equipped with spring 606, when upper spiral sleeve 601 is engaged with lower spiral sleeve 602, at spring 606
In compressive state, negative direction rotates the 4th fastening handle, the spiral sleeve meshed together can be detached from end cap, the bullet of compression
Spring 606, which bounces, separates upper spiral sleeve 601 and lower spiral sleeve 602, at this point, upper spiral sleeve 601 can be around guide post 605
Rotation.Pass through the design of this structure, it may be convenient to realize the rotation and locking for carrying out realizing guidance set 203 and supporting rod 3.
Further, it please refers to Fig.1 and Fig. 9, a kind of specific embodiment party as bone distraction device provided by the invention
Formula, mounting assembly 4 includes the intermediate connector 401 for connecting operating bed and locking adjusting part 5, and being used for will be intermediate
Connector 401 is fixed on the first locking stud 402 on operating bed, and the intermediate connector is equipped with to be adjusted for fixed locking
The connecting seat 403 of component 5, intermediate connector 401 are equipped with the locating rod for being connected to intermediate connector 401 on operating bed
404。
The mounting ear with U-shaped groove is generally equipped on the operating bed of existing application, locating rod 404 is in the present embodiment
With the matched cylinder of groove size, the both ends for positioning 404 are arranged with limited post 4041, then can be placed into locating rod 404
In groove, the distance between limited post 4041 and groove match, and can be moved left and right to avoid locating rod 404, intermediate connector 401
It is fixed on mounting ear by the first locking stud 402.Intermediate connector 401 is equipped with far from operating bed side for being adjusted with locking
The connecting seat 403 that component 5 connects is saved, there are two connecting seats 403, is located at the both sides of intermediate connector 401, can fix multiple attached
Part, attachment include but not limited to lock adjusting part 5, supporting rack 3, are equipped with semicircle straight slot among intermediate connector 401, are used for
Loss of weight.Fast Installation of the mounting assembly 4 on operating bed may be implemented in this programme, and the only first locking stud 4 is not easy not by external force
Loosening is generated, the design of 4 upper connecting base of mounting assembly can make multiple accessories, be locking adjusting part in the present embodiment, Gu
It is scheduled in mounting assembly 4, and then realizes the firm installation of attachment and operating bed.
Further, it please refers to Fig.1 and Figure 10, a kind of specific embodiment party as bone distraction device provided by the invention
Formula, locking adjusting part 5 include be set in supporting rod 3 outside be used for short transverse locking support bar 3 lock sleeves 501,
And the adjusting rod 502 for the horizontal distance being fixed together with mounting assembly 4 for adjusting supporting rod 3 and operating bed, lock sleeve
501 are equipped with the through-hole passed through for adjusting rod 502, and lock sleeve 501 is equipped with for lock sleeve 501 to be fixed on adjusting rod
502 the second locking stud 503.
Lock sleeve 501 is equipped with and is used to support the circular hole that bar 3 passes through, and circular hole is internally provided with the bias with circular hole eccentric setting
504 are covered, is equipped with 504 corresponding position of eccentric bushing on lock sleeve 501 and locks stud 505 for the third of fastening support bar 3, it will
Supporting rod 3 is adjusted to after object height, is tightened third locking stud 505 and is squeezed eccentric bushing 504, and then squeezes supporting rod 3, will
Supporting rod 3 is fixed on locking adjusting part 5.
It locks adjusting part 5 and is equipped with through-hole perpendicular to supporting rod axis direction, through-bore axis and C are to parallel, adjusting
Bar 502 can along through-hole along C to moving, adjusting rod 502 is fixed together with mounting assembly 4, therefore is equipped with the locking of supporting rod 3
Set 501 can along adjusting rod 502 axis direction far from or close to operating bed, and then adjust supporting rod 3 relative to operating bed
Horizontal distance tightens the second locking stud 503 and lock sleeve 501 is fixed on adjusting rod 502 after adjusting supporting rod to target location
On.
Further, it please refers to Fig.1 and Figure 11, a kind of specific embodiment party as bone distraction device provided by the invention
Formula, 3 lower section of supporting rod are equipped with the limit assembly 7 for being fixed on bone distraction device on operating bed, and limit assembly 7 includes using
It is used for first in the first fluted disc 701 of intermeshing and the second fluted disc 702 and through the first fluted disc 701 and the second fluted disc 702
The first fastening screw 703 that fluted disc 701 is fixedly connected with the second fluted disc 702, the first fluted disc 701 are pacified by head rod 705
On in the fixed seat 403 of mounting assembly 4, the second fluted disc 702 is fixed on by the second connecting rod 706 on supporting rod 3, is passed through
The threaded connection of fastening nut 704 and the first fastening screw 703 connects head rod 705 and the fastening of the second connecting rod 706
It connects, 4 lower section of support bar group is equipped with two sets of limit assemblies 7 in practical application, and the connection of bone distraction device and operating bed is firm
And without shaking, ensure the stability of connection.Structural member connected to it is realized by the engagement of the first fluted disc and the second fluted disc
It is fixed, it can realize the accurate adjustment of tightening angle by rotating any fluted disc, in practical application, traction angle can be carried out
Miniature adjustment, only fixed-direction are firm, will not loosen.
Further, 2 are please referred to Fig.1, as a kind of specific implementation mode of bone distraction device provided by the invention, on
601 top of spiral sleeve is equipped with fixed plate 10 and can be fixed on guidance set around the rotation plate 9 of 10 rotation of fixed plate, rotation plate 9
203 lower sections, fixed plate 10 are fixed on 601 top of spiral sleeve, and rotation plate 9 is logical equipped with the adjusting that can adjust rotation angle
Slot 901.
Fixed plate 10 and rotation plate 9 are detachably connected, and rotation plate 9 can be around fixed plate perpendicular to support rod axis institute
Plane on rotate.Fixed plate 10 is fixed on spiral sleeve 601, and guide post 605 is after upper spiral sleeve 601
Partial insertion fixed plate 10, fixed plate 10 are preferably semi-cylindrical, and fixed plate 10 is equipped with screw thread with the face that rotation plate 9 coordinates
Hole, rotation plate 9 are fixed on the lower section of guidance set 203, and rotation plate 9 is preferably L-type plate, and rotation plate 9 coordinates with fixed plate 10
Face is equipped with the adjusting straight slot 901 that can adjust rotation angle, and the second fastening screw 902 is across the adjusting straight slot 801 and admittedly
10 screw-thread fit of fixed board, rotation plate 9 is fixed in fixed plate 10, and rotation plate 9 is circular arc with the face end that fixed plate 10 coordinates,
And rotation plate and the height dimension of 10 mating surface of fixed plate etc. and 10 height dimension of fixed plate, rotation plate 9 are rotated around fixed plate 10
When circular arc type end side contacted with upper spiral sleeve 601 and be used to support guidance set 203, and will not occur with upper spiral sleeve 601
Interference.By setting can mutually rotation rotation plate and fixed plate, realize feeder assembly relative to supporting rod perpendicular to branch
The axis of strut rotation in the plane, increase the position location of draw bar, and then increase the sprocket bit of traction component
It sets, can preferably adapt to more operating modes.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. bone distraction device, it is characterised in that：Include the tractor drawn for the limbs to target location, for pacifying
It fills the tractor and drives the hitch frame of the tractor back-and-forth motion, is used to adjust described lead below the hitch frame
Draw frame relative to the height and position of operating bed supporting rod, for by the supporting rod be mounted on operating bed on mounting assembly,
Locking adjusting part for the horizontal distance for adjusting the supporting rod and operating bed；The locking adjusting part is fixed on described
In mounting assembly, the hitch frame is rotatably mounted on by the first rotary components on the supporting rod.
2. bone distraction device as described in claim 1, it is characterised in that：The tractor include for the hitch frame
The installing arm that is fixedly connected, two be arranged in the installing arm and can along the link block that the installing arm length direction slides,
Two with the vertically disposed draft arm of the installing arm and be arranged in the end of the draft arm for installing consolidating for pull needle
Determine mechanism；The draft arm is arranged in the link block and along perpendicular to the installing arm glide direction and the link block
It is slidably matched, is additionally provided on the link block for the fixed locking pin for locking the installing arm and the draft arm.
3. bone distraction device as described in claim 1, it is characterised in that：The hitch frame includes for installing the traction
The traction component of device, is set in outside the draw bar for leading the draw bar for driving the traction component back-and-forth motion
To the guidance set with limit；The traction component is rotatablely installed by the second rotary components relative to the draw bar, described
Guidance set is equipped with the first fastening handle for fastening the draw bar.
4. bone distraction device as claimed in claim 3, it is characterised in that：The traction component includes for being led described in fixation
The axis ear of lead device, the sleeve for being used to fix the axis ear positioned at axis ear end are used to drive institute positioned at the sleeve inner
State the first leading screw that sleeve moves along the sleeve axis direction, with first threads of lead screw with merging for described second
The fixed seat of rotary components connection；The fixed seating is equipped in the sleeve inner, the sleeve for making the sleeve
Relative to the fluting that the fixed seat is moved along the sleeve axis direction, the shaft end that the traction handle is set to the sleeve is used
It is rotated in driving first leading screw.
5. bone distraction device as claimed in claim 4, it is characterised in that：Second rotary components include and the traction
Fixing axle that bar is fixedly connected is set in outside the fixing axle and the rotating shaft tube for being rotated around the fixing axle and institute
State fixing axle screw-thread fit and the first outer shaft for driving the fixing axle to be moved along the fixing axle axis direction；It is described
Fixing axle is equipped with mutually engageable face gear, the rotation far from described draw bar one end and the rotating shaft tube inner tube wall
Shaft cylinder passes through the fluting to be fixedly connected with the fixed seat far from described draw bar one end.
6. bone distraction device as claimed in claim 3, it is characterised in that：The guidance set includes for being oriented to and limiting
Guide pad, the guide pad is equipped with through-hole for making the draw bar pass through, and the through-hole, which is internally provided with, to be used to support
The draw bar and the multiple idler wheels for guiding its back-and-forth motion.
7. bone distraction device as claimed in claim 3, it is characterised in that：First rotary components include being set to the branch
Mutually engageable upper spiral sleeve above strut and lower spiral sleeve, the lower spiral sleeve outer cover be equipped with it is described under
Second outer shaft of spiral sleeve screw-thread fit；The lower spiral sleeve is equipped with guiding with the end face of engaging of the upper screw-casing
Column, the guide post run through the upper spiral sleeve, and the upper spiral sleeve can be rotated around the guide post, the guiding band of column
Week is equipped with spring, and when the upper spiral sleeve is engaged with the lower spiral sleeve, the spring is in compressive state, the lower spiral shell
Spin axis set is connect with the supporting rod, and the upper spiral sleeve is connect with the guidance set.
8. bone distraction device as described in claim 1, it is characterised in that：The mounting assembly includes for connecting operating bed
The first lock with the intermediate connector of the locking adjusting part and for being fixed on the intermediate connector on operating bed
Tight stud；The intermediate connector is equipped with the connecting seat for fixing the locking adjusting part, on the intermediate connector
Equipped with the locating rod for being connected to the intermediate connector on operating bed.
9. bone distraction device as described in claim 1, it is characterised in that：The locking adjusting part is described including being set in
It is used to lock the lock sleeve of the supporting rod in short transverse and be fixed together with the mounting assembly outside supporting rod
Adjusting rod for the horizontal distance for adjusting the supporting rod and operating bed；The lock sleeve is equipped with and is worn for the adjusting rod
The through-hole crossed, the lock sleeve are equipped with the second locking stud for being fixed on the lock sleeve on the adjusting rod.
10. bone distraction device as claimed in claim 9, it is characterised in that：The locking adjusting part and the installation group
It is equipped between part for limiting the supporting rod relative to intermeshing first fluted disc of operating bed rotation angle and the second tooth
Disk, first fluted disc are mounted on by head rod in the mounting assembly, and second fluted disc passes through the second connecting rod
On the adjusting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810447667.4A CN108742977B (en) | 2018-05-11 | 2018-05-11 | Orthopedics traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810447667.4A CN108742977B (en) | 2018-05-11 | 2018-05-11 | Orthopedics traction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108742977A true CN108742977A (en) | 2018-11-06 |
| CN108742977B CN108742977B (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810447667.4A Active CN108742977B (en) | 2018-05-11 | 2018-05-11 | Orthopedics traction device |
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| Country | Link |
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| CN (1) | CN108742977B (en) |
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| CN113317829A (en) * | 2021-06-02 | 2021-08-31 | 徐龙 | Incision tractor for orthopedic operation |
| CN114961268A (en) * | 2022-05-30 | 2022-08-30 | 山东建筑大学 | Second Z-axis device for building 3D printing and printing path partial traversing method |
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|---|---|
| CN108742977B (en) | 2020-09-11 |
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