CN106943187B - Postural immobilization pawl and Postural reduction tool - Google Patents
Postural immobilization pawl and Postural reduction tool Download PDFInfo
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- CN106943187B CN106943187B CN201710309188.1A CN201710309188A CN106943187B CN 106943187 B CN106943187 B CN 106943187B CN 201710309188 A CN201710309188 A CN 201710309188A CN 106943187 B CN106943187 B CN 106943187B
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- ball
- head
- head cover
- bracing wire
- cover
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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
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
Abstract
The invention discloses Postural immobilization pawls and Postural reduction tool, are related to Postural immobilization field of tool.Postural immobilization pawl includes: fixed device, ball cover attachment device and cohesion device；Cohesion device includes fixed jaw main body, obvolvent mechanism and at least two armfuls of fingers；Obvolvent mechanism includes piecing together tapered or wedge-shaped embracing the obvolvent block for referring to sandwich part and be sheathed on to embrace to refer to that embracing for sandwich part refers to lock sleeve；Finger is embraced to be connected to obvolvent block and drive obvolvent by obvolvent mechanism；Ball cover attachment device includes ball head, the ball cover retaining mechanism with the ball-head cover of ball head cooperation and locking ball head and ball-head cover cooperation；Fixed jaw main body is hinged by ball cover attachment device and fixed device.Postural reduction tool includes: attachment device and Postural immobilization pawl；Attachment device includes connecting rod, fixed frame or operating bed connecting rod.Postural immobilization pawl angle is flexibly adjustable, can facilitate, firmly by the Postural immobilization of patient.Postural reduction tool setting attachment device makes the position of Postural immobilization pawl be easier to choose.
Description
Technical field
The present invention relates to Postural immobilization technical field of tools, are specifically related to Postural immobilization pawl and Postural reduction tool.
Background technique
In Orthopedic Clinical treatment, fracture relatively conventional, predominantly traffic accident, fall, injure by a crashing object etc. caused by violences hit.Doctor
When carrying out fracture operation to patient, needs first temporarily to be resetted fracture site, then be fixed again.Operation now
In, the position that operating process maintains patients with fractures position generally by doctor and assistant manually is resetted, is then carried out interior fixed
Operation is fixed.Due to maintaining some state temporarily resetted to need certain time in surgical procedure, during which doctor or assistant need
The position of holding patient always, so that doctor or nurse are very easy to fatigue；Multiple doctors need to cooperate with during operation simultaneously
Operation is easy mutually block, collide with, influences the progress of operation so that operating space is more crowded, even results in operation and loses
It loses.
Summary of the invention
It is an object of the present invention to provide one kind, and easy to operate, angle is flexibly adjustable, fracture can be firmly fixed
The Postural immobilization pawl at position.
A kind of Postural immobilization pawl characterized by comprising fixed device, ball cover attachment device and cohesion device；
The cohesion device includes fixed jaw main body, obvolvent mechanism and at least two armfuls of fingers；The obvolvent mechanism includes embracing
It closes block and embraces and refer to lock sleeve；More than two obvolvent blocks are connected to the fixed jaw main body and are spaced certain gap split
Refer to that sandwich part, described armful of finger lock sleeve are sheathed on described embrace and refer to sandwich part at tapered or wedge-shaped embracing；Described armful of finger is oppositely arranged,
Described armful of finger is connected to the obvolvent block and is driven by the obvolvent mechanism to intermediate obvolvent；
The ball cover attachment device include ball head, with the ball-head cover of ball head cooperation and the locking ball head with
The ball cover retaining mechanism of the ball-head cover cooperation；
The fixed jaw main body is hinged by the ball cover attachment device and the fixed device.
Further, refer to that lock sleeve includes being sheathed on described embrace to refer to that embracing for sandwich part refers to retaining ring and with retaining machine for described armful
Embracing for structure refers to locking pin；The wedge-shaped part insertion of described armful of finger locking pin is described to embrace between finger retaining ring and the fixed jaw main body,
Described embrace can be pushed to refer to that retaining ring refers to sandwich part sliding along described embrace.
Further, the fixed jaw main body is equipped with bracing wire tightening system, and described armful of fingers one end connects the obvolvent block, separately
One end is free end, and protective layer is coated outside described armful of finger, and described armful refers to include connecting plate, first knuckle and second knuckle, institute
It states first knuckle and is connected with the second knuckle by the connecting plate；Described first knuckle one end is equipped with curved head, and described the
Two finger joint one end are equipped with arc groove, and the end that the first knuckle is equipped with the curved head is equipped with sliding axle, the first knuckle
Middle part, which is equipped with, is located at first pull head embraced and refer to inside；The connecting plate is including the second pull head, hinged end and is equipped with slippage slot
Sliding-end；The sliding axle and the slippage slot cooperate, described arc groove one end of the hinged end and the second knuckle
Hingedly, second pull head is located at the inside embraced and referred to；The bracing wire tightening system can be drawn by bracing wire by described second
Head pulls to first pull head, so that the arc groove and the curved head cooperate；The surface of the arc groove and curved head is set
It is equipped with anti-skid chequer or reciprocal latch structure.
Further, the bracing wire tightening system includes that pulling shaft and the bracing wire axis passage pin equipped with stopping mechanism are stretched in bracing wire；
The fixed jaw main body is provided with bracing wire axis sliding slot, and the bracing wire is stretched pulling shaft both ends and is arranged in the bracing wire axis sliding slot；It is described
Bracing wire axis passage pin is set in the fixed jaw main body, and the wedge-shaped part of the bracing wire axis passage pin pushes the bracing wire to stretch pulling shaft edge
The bracing wire axis sliding slot sliding.
Further, one end that the first knuckle is equipped with curved head is equipped with the first bracing wire axis, the first pull head setting
There is the second bracing wire axis, second pull head is provided with third bracing wire axis；Bracing wire one end of the bracing wire tightening system be starting point,
The other end is winding end；The starting point bypasses the bracing wire axis；The winding end successively bypasses the first bracing wire axis, described
Second bracing wire axis and the third bracing wire axis, the winding end successively bypass the second bracing wire axis and first bracing wire again
It is connect after axis with the starting point, bracing wire is made to form closed loop.
Further, the fixed device includes collet and collet lock sleeve；The collet includes the body equipped with opening
With two collet clamping blocks for being connected to body opening two sides；It spells in the certain gap in two collet clamping block gaps
The tapered or wedge-shaped collet sandwich part of synthesis, the collet lock sleeve are sheathed on the collet sandwich part.
Further, the ball head connects the collet sandwich part；The ball-head cover includes bulb body, more than two
The certain gap in bulb body interval pieces together the ball groove portion with ball head cooperation；The ball cover retaining mechanism includes
Ball-head cover latch segment and ball-head cover lock sleeve, the certain gap split in more than two ball-head covers locking block gaps it is tapered or
Wedge shape ball-head cover sandwich part, the ball-head cover lock sleeve include be sheathed on the ball-head cover sandwich part ball-head cover retaining ring and
Ball-head cover locking pin with stopping mechanism；The bulb body is connected to the ball-head cover latch segment；The ball-head cover locking pin
Wedge-shaped part be inserted between the ball cover retaining ring and the ball groove portion, the ball-head cover lock sleeve can be pushed along the bulb
Cover sandwich part sliding；The end in the ball groove portion is equipped with the ejection part of collet lock sleeve described in ejection；The fixed jaw main body connects
It is connected to the ball-head cover sandwich part.
Further, the ball head connects the fixed jaw main body；The ball-head cover includes bulb body, more than two
The certain gap in bulb body interval pieces together the ball groove portion with ball head cooperation；The ball cover retaining mechanism includes
Ball-head cover latch segment and ball-head cover lock sleeve, the certain gap split in more than two ball-head covers locking block gaps it is tapered or
Wedge shape ball-head cover sandwich part, the ball-head cover lock sleeve include be sheathed on the ball-head cover sandwich part ball-head cover retaining ring and
Ball-head cover locking pin with stopping mechanism；The bulb body is connected to the ball-head cover latch segment；The ball-head cover locking pin
Wedge-shaped part be inserted between the ball cover retaining ring and the ball groove portion, the ball-head cover lock sleeve can be pushed along the bulb
Cover sandwich part sliding；The end of the ball-head cover lock sleeve is equipped with the ejection part of collet lock sleeve described in ejection；The collet folder
Conjunction portion is connected to the ball-head cover sandwich part.
Further, the ball-head cover connects the fixed jaw main body, and the end of the ball-head cover is equipped with described in ejection and presss from both sides
The fixed ejection part of lock set；The ball head includes bulb valve, the certain gap in one end interval of more than two bulb valves
It pieces together with the spherical portion of ball-head cover cooperation, split is tapered inside the other end or wedge-shaped struts slot；The ball cover lock
Tight mechanism includes bar being strutted with the bulb of the support slotted engagement and the bulb with stopping mechanism struts pin；The side of the ball-head cover
Wall is equipped with sliding slot, and the bulb struts bar and is set in the sliding slot；The bulb struts the side that pin is set to the ball-head cover
On wall, the wedge-shaped part that the bulb struts pin can push the bulb to strut bar and slide along the sliding slot, by the spherical portion
Strut ball-head cover described in clamping.
Further, the fixed device includes tensioning mechanism and two clamping plates；The tensioning mechanism include tie rod and
Tightening nut；The ball-head cover includes bulb body, and more than two bulb bodies piece together and ball head cooperation
Ball groove portion；The ball cover retaining mechanism includes ball-head cover latch segment and ball-head cover lock sleeve, more than two bulb cover lockings
The tapered or wedge-shaped ball-head cover sandwich part of the certain gap split in block gap, the ball-head cover lock sleeve are sheathed on the bulb
Cover sandwich part；The bulb body is connected to the ball-head cover latch segment；The fixed jaw main body is connected to the ball head；Institute
It states tie rod one end to sequentially pass through two clamping plates and connect the ball-head cover sandwich part, and ball described in the clamping plate contact
Headgear lock sleeve, the tie rod other end are equipped with the stretching screw cooperated with the tightening nut；The phase of two clamping plates
Pair surface on be arranged it is fluted, part of the tie rod between two clamping plates be equipped with perforation card hole, the card
Hole is arranged in parallel with the groove.
That it is another object of the present invention to provide a kind of easy to operate, position angles is flexibly adjustable, can accurately securely
Fixation fracture site Postural reduction tool.
A kind of Postural reduction tool characterized by comprising attachment device and any one of the above Postural immobilization pawl；Institute
Stating attachment device includes connecting rod, fixed frame or operating bed connecting rod；The connecting rod is long straight-bar, and surface is provided with anti-skidding
Line；The fixed frame includes frame body and the fixed link that is fixed on the frame body；The frame body is frame structure, the fixed link
For connecting the fixed device；The operating bed connecting rod is at L-shaped, and operating bed connecting rod side is described solid for connecting
Device, the other side are determined equipped with the interconnecting piece for connecting with operating bed fixator.
The beneficial effects of the present invention are: Postural immobilization pawl of the invention can be maintained accurately, aids fracture resets, pass through
Obvolvent mechanism makes to embrace the position holding for referring to and patient being needed to fixation, realizes that cohesion device is relatively fixed by ball cover attachment device and fills
The angle set is flexibly adjustable while locking angle using ball cover retaining mechanism, can conveniently, firmly consolidate the position of patient
It is fixed.Postural reduction tool of the invention is realized by above-mentioned Postural immobilization pawl needs fixed position to firmly grasp patient, simultaneously
The position of Postural immobilization pawl is set to be easier to choose by the way that attachment device is arranged, it is easy to operate, flexible.
Detailed description of the invention
Fig. 1 is the main view of the first embodiment of Postural immobilization pawl of the invention；
Fig. 2 is that the cross section view for referring to expanded configuration is embraced in Fig. 1；
Fig. 3 is that the cross section view for referring to and holding form tightly is embraced in Fig. 2；
Fig. 4 is the side view of Postural immobilization pawl in Fig. 1；
Fig. 5 is the main view of the second embodiment of Postural immobilization pawl of the invention；
Fig. 6 is the side view of Postural immobilization pawl in Fig. 5；
Fig. 7 is the main view of the 3rd embodiment of Postural immobilization pawl of the invention；
Fig. 8 is the side view of Postural immobilization pawl in Fig. 7；
Fig. 9 is the main view of the fourth embodiment of Postural immobilization pawl of the invention；
Figure 10 is the main view of the specific embodiment of the fixed frame of Postural reduction tool provided by the invention；
Figure 11 is the main view of the specific embodiment of the operating bed connecting rod of Postural reduction tool provided by the invention.
In figure: 1- fixed device, 11- collet, 111- body, 112- collet clamping block, 12- collet lock sleeve, 2- ball cover
Attachment device, 21- ball head, 211- bulb valve, 2111- strut slot, 22- ball-head cover, 221- bulb body, the locking of 23- ball cover
Mechanism, 231- ball-head cover latch segment, 232- ball-head cover lock sleeve, 2321- ball-head cover retaining ring, 2322- ball-head cover locking pin,
233- bulb struts bar, 234- bulb struts pin, 8- cohesion device, 81- fixed jaw main body, 811- bracing wire tightening system, 8111-
Pulling shaft is stretched in bracing wire, pulling shaft passage pin is stretched in 8112- bracing wire, 82- obvolvent mechanism, 821- obvolvent block, 822- are embraced and referred to lock sleeve, 8221-
It embraces and refers to that retaining ring, 8222- embrace finger locking pin, 3- embraces finger, 331- first knuckle, 3311- curved head, 3312- sliding axle, 3313-
First pull head, the second bracing wire of 33131- axis, the first bracing wire of 3314- axis, 332- second knuckle, 3321- arc groove, 333- connection
Plate, the second pull head of 3331-, 33311- third bracing wire axis, the hinged end 3332-, 3333- slippage slot, 4- bracing wire, 51- tensioning mechanism,
511- tie rod, 5111- card slot, 512- tightening nut, 52- clamping plate, 521- groove, 61- connecting rod, 62- fixed frame, 621- are solid
Fixed pole, 622- frame body, 63- operating bed connecting rod, 631- interconnecting piece, 7- ejection part.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are 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.
Now Postural immobilization pawl provided by the invention is illustrated.As shown in Figures 1 to 9, a kind of Postural immobilization pawl, packet
It includes: fixed device 1, ball cover attachment device 2 and cohesion device 8.The cohesion device 8 includes fixed jaw main body 81, obvolvent mechanism
82 and at least two armfuls refer to 3, the obvolvent mechanism 82 include obvolvent block 821 and embrace refer to a lock sleeve 822.Two obvolvent blocks
821 are connected to the lower part of the fixed jaw main body 81, are spaced certain gap between each other, piece together tapered or wedge-shaped embracing and refer to
3 sandwich parts, described armful of finger lock sleeve 822 are sheathed on described embrace and refer to 3 sandwich parts.It embraces and refers to that the arc that 3 can be integrally formed embraces finger
3, or embracing for the adjustable curved shape of multiple knucklejoints refers to 3.It is embraced described in four and refers to that 3 two are one group, two components
It is not connected on two obvolvent blocks 821, embraces for two groups and refer to that 3 are oppositely arranged.Described armful of finger lock sleeve 822 is pushed away along 3 sandwich parts of finger are embraced
It is dynamic, obvolvent block 821 can be folded to centre, embrace finger 3 to intermediate obvolvent so that being connected on obvolvent block 821.The ball cover
Attachment device 2 includes ball head 21, the ball-head cover 22 cooperated with the ball head 21 and the locking ball head 21 and the ball
The ball cover retaining mechanism 23 that headgear 22 cooperates, ball head 21 and ball-head cover 22 cooperatively form universal hinging structure, and ball cover locks machine
Structure 23 can open big or ball-head cover 22 by ball head 21 and the modes such as fold, and make the angle locking of ball head 21 and ball-head cover 22.
The fixed jaw main body 81 is realized hinged with the fixed device 1 by the ball cover attachment device 2, and fixation device 1 can be with
For collet 11, or other fixed structures such as bolt fixation, for Postural immobilization pawl to be fixed on connecting rod 61, fixed frame
62, operating bed or operating bed connecting rod 63 etc..
Referring to forearm middle section fracture operation, the application method of Postural immobilization pawl of the invention is illustrated.Operation consent is pressed
According to operation requirement adjustment, stretch draw patient's arm position.After the position of patient's arm determines, two position fixed jaws are passed through
Fixed device 1 be connected to close to patient's arm operating bed edge or be connected to connecting rod 61 etc., make two position fixed jaws
Position is relatively fixed；So that embracing for two position fixed jaws is referred to 3 rotations by ball cover attachment device 2 simultaneously, fastens respectively
In the two sides of patient's arm fracture site.Finally, referring to that lock sleeve 822 makes two position fixed jaws by patient's arm by pushing to embrace
The both ends of fracture site are firmly grasped, and are locked ball head 21 and ball-head cover 22 by ball cover retaining mechanism 23；It is final to realize patient
The Postural immobilization of arm.
Postural immobilization pawl of the invention can also first pass through two position fixed jaws for the both ends of patient's arm fracture site
After promptly, the position of auxiliary adjustment patient's arm.After the position of patient's arm is adjusted, rotating ball set of connection devices 2 will be consolidated
Determine device 1 to be connected in connecting rod 61；Then lock ball set of connection devices 2 realizes the Postural immobilization of patient's arm.
It, can be by ball cover retaining mechanism 23 by ball cover attachment device 2 to adjust the position of patient's arm again in operation
It unclamps, readjusts the position of patient's arm.After the position of patient's arm is readjusted, lock ball set of connection devices 2 again.
Postural immobilization pawl of the invention also can be used alone one, and Postural immobilization pawl is passed through fixed device 1 and is fixed on
Operating bed edge is embraced and refers to that 3 firmly grasp one end of patient's arm fracture site, and the other end of patient's arm fracture site can be by curing
Green hand is dynamic to fix, convenient for adjusting the position of patient at any time.
Further, as shown in Fig. 1,4,5,6,7,8 and 9, one kind as Postural immobilization pawl provided by the invention is specific
Embodiment, described armful refers to that lock sleeve 822 includes being sheathed on described embrace to refer to that embracing for 3 sandwich parts refers to retaining ring 8221 and with retaining machine
Embracing for structure refers to locking pin 8222.Stopping mechanism is matched using rebound latch with the rack gear for embracing finger 8222 shank side of locking pin is arranged in
The structure of conjunction.Stopping mechanism and the shank for embracing finger locking pin 8222, which are mounted on to embrace, refers to a retaining ring 8221.Described armful of finger locking pin
8222 described embrace of wedge-shaped part insertion refers between retaining ring 8221 and the fixed jaw main body 81 that described embrace of pressing refers to locking pin
Described embrace of wedge-shaped part insertion is referred between retaining ring 8221 and the fixed jaw main body 81, can be pushed described by 8222 shank
It embraces and refers to that retaining ring 8221 is slided along described armful of 3 sandwich parts of finger, obvolvent block 821 is folded to centre.It embraces and refers to that locking pin 8222 can be with
Be arranged it is multiple, along embrace refer to retaining ring 8221 a surrounding setting, make embrace refer to 8221 uniform force of retaining ring.
Further, a kind of specific embodiment party as shown in Fig. 2,3,4 and 8, as Postural immobilization pawl provided by the invention
Formula, the fixed jaw main body 81 are equipped with bracing wire tightening system 811, and bracing wire tightening system 811 can be turned using winding bracing wire 4
The end of axis, shaft is equipped with click structure.Bracing wire tightening system 811 can also draw bracing wire 4 using other structures.It is described
It embraces and refers to that 3 one end connect the obvolvent block 821, the other end is free end, described armful refers to that 3 outsides coat protective layers, and protective layer can be with
It will embrace and refer to that 3 coat completely, and can also only coat and embrace the inside for referring to 3.Described armful refers to that 3 include connecting plate 333,331 and of first knuckle
Second knuckle 332, the first knuckle 331 and the second knuckle 332 are connected by the connecting plate 333；First knuckle 331
Alternately described embrace of connection formation refers to 3 with second knuckle 332.Described 331 one end of first knuckle be equipped with curved head 3311, described second
332 one end of finger joint is equipped with arc groove 3321, and the end that the first knuckle 331 is equipped with the curved head 3311 is equipped with sliding axle
3312, it is equipped in the middle part of the first knuckle 331 and is located at first pull head 3313 embraced and refer to 3 insides；The connecting plate 333 includes
Second pull head 3331, hinged end 3332 and the sliding-end equipped with slippage slot 3333；The sliding axle 3312 and the slippage slot
3333 cooperations, the hinged end 3332 and 3321 one end of the arc groove of the second knuckle 332 are hinged, second pull head
3331 are located at the inside for embracing finger 3.The bracing wire tightening system 811 can be drawn second pull head 3331 by bracing wire 4
To first pull head 3313, so that the arc groove 3321 and the curved head 3311 cooperate；Specifically, bracing wire tightening system
811 can be fixed on the second pull head using the shaft of winding bracing wire 4, one end of bracing wire 4 around the guide wheel on the first pull head 3313
3331.The surface of the arc groove 3321 and the curved head 3311 is provided with anti-skid chequer or reciprocal latch structure, increases arc groove
Frictional force between 3321 and curved head 3311.
Refer to 3 bendings in use, will embrace, sliding axle 3312 is mobile in slippage slot 3333, embraces and refers to 3 arms for fitting to patient；
Then by bracing wire tightening system 811, the second pull head 3331 is pulled into first pull head 3313, makes arc groove 3321 and arc
First 3311 fitting clamping.
As shown in Figures 2 and 3: when embracing finger 3 in expanded configuration, sliding axle 3312 is located at the initial position of slippage slot 3333,
Arc groove 3321 and curved head 3311 separate.Bracing wire tightening system 811 is pulled to second pull head 3331 by bracing wire 4 described
After first pull head 3313, embraces and refer to 3 in form is held tightly, sliding axle 3312 is located at the holding position of slippage slot 3333, arc groove
3321 and curved head 3311 be bonded.
Further, as shown in figs. 1 and 4, a kind of specific embodiment as Postural immobilization pawl provided by the invention, institute
Stating bracing wire tightening system 811 includes that bracing wire stretches pulling shaft 8111 and pulling shaft passage pin 8112 is stretched in the bracing wire equipped with stopping mechanism.Bracing wire
The stopping mechanism for stretching pulling shaft passage pin 8112 can also stretch pulling shaft passage 8112 shank of pin in bracing wire using rebound latch and setting
The structure of the rack gear cooperation of side.It is cavity among the fixed jaw main body 81, is provided with two opposite bracing wires on two sidewalls
Stretch pulling shaft sliding slot.The bracing wire is stretched pulling shaft 8111 and is located in the cavity of fixed jaw main body 81, and both ends are arranged in the bracing wire and stretch drawing
In axis sliding slot；Further, bracing wire stretches and is combined with sliding block in pulling shaft sliding slot, and bracing wire stretches 8111 both ends of pulling shaft and is rotationally connected with cunning
Block.The bracing wire is stretched pulling shaft passage pin 8112 and is set in the fixed jaw main body 81, and pulling shaft passage pin 8112 is stretched in the bracing wire
Wedge-shaped part pushes the bracing wire to stretch pulling shaft 8111 and stretches the sliding of pulling shaft sliding slot along the bracing wire.More specifically, stopping mechanism and bracing wire
It stretches pulling shaft passage 8112 shank of pin to be set on the side wall of the fixed jaw main body 81, the wedge of pulling shaft passage 8112 shank of pin is stretched in bracing wire
The end of pulling shaft 8111 is stretched in the insertion bracing wire of shape portion and bracing wire is stretched between the end of pulling shaft sliding slot.It is pushed away in use, pulling shaft is stretched in bracing wire
The end of pulling shaft 8111 is stretched in the shifting insertion bracing wire of pin 8112 and bracing wire is stretched between the end of pulling shaft sliding slot, and bracing wire is made to stretch the hair of pulling shaft 8111
Raw displacement, pulls bracing wire 4.
Referring to forearm middle section fracture operation, the application method of Postural immobilization pawl of the invention is illustrated.Operation consent is pressed
Make to be maintained on a position of suitable surgical operation according to requirement Retracting repositioning patient's arm of operation, takes two positions solid
Determine pawl go respectively crawl Ipsilateral wrist joint and elbow joint position, first pass through bracing wire stretch pulling shaft passage pin 8112 so that bracing wire is stretched pulling shaft
8111 embrace finger relatively upwards moves up, so that the tightening of bracing wire 4, the form for embracing finger 3 and forearm coincide, forms certain enclasping force
It grabs in advance.
Then refer to that locking pin 8222 makes embracing for forming refer to that 3 go uniformly promptly again by promoting to embrace；Two positions simultaneously
Fixed jaw pass through fixed device 1 be connected to close to patient's arm operating bed edge or be connected to connecting rod 61 etc., make two individuals
The position of position fixed jaw is relatively fixed.Finally, ball head 21 and ball-head cover 22 are locked by ball cover retaining mechanism 23；It is final real
Now the position of patient forearm is accurately fixed.
Postural immobilization pawl of the invention can also first pass through a position fixed jaw and stretch at patient's elbow joint end by bracing wire
Pulling shaft passage pin 8112 and bracing wire are stretched pulling shaft 8111 and are grabbed in advance, then by embrace refer to a locking pin 8222 make it is opposite embrace refer to 3 promptly after,
Again by fixed device 1 be connected to close to patient's arm operating bed edge or be connected to connecting rod 61 etc. device on, pass through
Ball head 21 and ball-head cover 22 are locked this Postural immobilization pawl by ball cover retaining mechanism 23.Passed through by another Postural immobilization pawl
Pulling shaft passage pin 8112 is stretched in bracing wire, pulling shaft 8111 is stretched in bracing wire and an armful finger locking pin 8222 is firmly grasped Ipsilateral wrist-joint and assisted
The position for adjusting patient forearm, after the position of patient forearm is adjusted, rotating ball set of connection devices 2 connects fixed device 1
Onto connecting rod 61；Then lock ball set of connection devices 2 realizes the Postural immobilization of patient's arm.
Further, as shown in Figures 2 and 3, a kind of specific embodiment as Postural immobilization pawl provided by the invention, institute
It states first knuckle 331 and is equipped with the first bracing wire axis 3314 equipped with one end of curved head 3311, first pull head 3313 is provided with the
Two bracing wire axis 33131, second pull head 3331 are provided with third bracing wire axis 33311；The bracing wire of the bracing wire tightening system 811
4 one end are starting point, the other end is winding end；Pulling shaft 8111 is stretched around the bracing wire in the starting point；The winding end is successively
Around the first bracing wire axis 3314, the second bracing wire axis 33131 and the third bracing wire axis 33311, the winding end is again
It is secondary successively around being connect after the second bracing wire axis 33131 and the first bracing wire axis 3314 with the starting point, make 4 shape of bracing wire
At closed loop；The bracing wire 4 of closed loop can also refer to 3 around other finger joint junctions and other armfuls.Further, the first bracing wire axis
3314, the second bracing wire axis 33131 and third bracing wire axis 33311 are each provided with several guide rollers.Further, the finger
Internal section is cavity, and bracing wire 4 is located in the cavity of the finger joint.Further, the bracing wire 4 of closed loop passes through multiple armfuls and refers to 3.
Same armful refers to that the bracing wire 4 of multiple finger joint junctions on 3 is connected.The turning point of bracing wire 4 is turned to by guide roller.
Further, a kind of specific embodiment party such as Fig. 1,4,5,6,7 and 8 as Postural immobilization pawl provided by the invention
Formula, the fixed device 1 include collet 11 and collet lock sleeve 12；The collet 11 includes equipped with the body 111 being open and connecting
It is connected to two collet clamping blocks 112 of the 111 opening two sides of body；More than two intervals of collet clamping block 112 one
Tapered or wedge-shaped 11 sandwich part of collet that fixed gap pieces together, the collet lock sleeve 12 are sheathed on 11 clamping of collet
Portion.Specifically, apertured round tube can be arranged for side in body 111.The inner surface of collet lock sleeve 12 is tapered surface.It will
Collet lock sleeve 12 can be such that two collet clamping blocks 112 fold to centre along the sliding of 11 sandwich part of collet, shrink collet 11,
To clamp connecting rod 61 etc. aerial in insertion collet 11.
Further, as shown in figs. 1 and 4, a kind of specific embodiment as Postural immobilization pawl provided by the invention, institute
It states 21 upper end of ball head and connects 11 sandwich part of collet, lower end is at spherical shape.The ball-head cover 22 include bulb body 221, two
A bulb body 221 is spaced certain gap and pieces together the ball groove portion cooperated with the ball head 21.The ball cover locking
Mechanism 23 includes ball-head cover latch segment 231 and ball-head cover lock sleeve 232, and two ball-head cover latch segments 231 are spaced certain
Tapered or wedge-shaped 22 sandwich part of ball-head cover of gap split, the ball-head cover lock sleeve 232 include being sheathed on the ball-head cover
The ball-head cover retaining ring 2321 of 22 sandwich parts and ball-head cover locking pin 2322 with stopping mechanism.The pin of ball-head cover locking pin 2322
Body and stopping mechanism are arranged in ball cover retaining ring.The stopping mechanism of ball-head cover locking pin 2322 can use rebound latch and set
Set the structure in the rack gear cooperation of 2322 shank side of ball-head cover locking pin.The bulb body 221 is connected to the ball-head cover
Latch segment 231.The wedge-shaped part of the ball-head cover locking pin 2322 is inserted between the ball cover retaining ring and the ball groove portion, can
The ball-head cover lock sleeve 232 is pushed to slide along 22 sandwich part of ball-head cover.The upper end in the ball groove portion is equipped with ejection institute
State the ejection part 7 of collet lock sleeve 12；The fixed jaw main body 81 is connected to the 22 sandwich part lower end of ball-head cover.In use,
The shank of ball-head cover locking pin 2322 is inserted between ball cover retaining ring and ball groove portion, makes ball-head cover lock sleeve 232 along ball-head cover
The sliding of 22 sandwich parts, ball-head cover latch segment 231 is folded to centre, and bulb body 221 is made to clamp ball head 21.
Further, as it can be seen in figures 5 and 6, a kind of specific embodiment as Postural immobilization pawl provided by the invention, institute
It states 21 lower end of ball head and connects the fixed jaw main body 81, upper end is at spherical shape；The ball-head cover 22 include bulb body 221, two
A bulb body 221 is spaced certain gap and pieces together the ball groove portion cooperated with the ball head 21；The ball cover locking
Mechanism 23 includes ball-head cover latch segment 231 and ball-head cover lock sleeve 232, and two ball-head cover latch segments 231 are spaced certain
Tapered or wedge-shaped 22 sandwich part of ball-head cover of gap split, the ball-head cover lock sleeve 232 include being sheathed on the ball-head cover
The ball-head cover retaining ring 2321 of 22 sandwich parts and ball-head cover locking pin 2322 with stopping mechanism.Ball-head cover retaining ring 2321 it is interior
Side is at circular conical surface.The shank and stopping mechanism of ball-head cover locking pin 2322 are arranged in ball cover retaining ring.Ball-head cover locking pin
2322 stopping mechanism can be using the knot of rebound latch and the rack gear cooperation that 2322 shank side of ball-head cover locking pin is arranged in
Structure.The bulb body 221 is connected to the ball-head cover latch segment 231；The wedge-shaped part of the ball-head cover locking pin 2322 is inserted into
Between the ball cover retaining ring and the ball groove portion, the ball-head cover lock sleeve 232 can be pushed along 22 clamping of ball-head cover
Portion's sliding.The upper end of the ball-head cover lock sleeve 232 is equipped with the ejection part 7 of collet lock sleeve 12 described in ejection；The collet
11 sandwich parts are connected to the 22 sandwich part upper end of ball-head cover.In use, the shank of ball-head cover locking pin 2322 is inserted into ball cover
Between retaining ring and ball groove portion, make ball-head cover lock sleeve 232 along 22 sandwich part of ball-head cover slide, by ball-head cover latch segment 231 to
Centre folds, and bulb body 221 is made to clamp ball head 21.
Further, as shown in FIG. 7 and 8, a kind of specific embodiment as Postural immobilization pawl provided by the invention, institute
It states 22 lower end of ball-head cover and connects the fixed jaw main body 81, the upper end of the ball-head cover 22 is equipped with collet lock sleeve described in ejection
12 ejection part 7；The ball head 21 includes bulb valve 211, and the certain gap in the lower end interval of two bulb valves 211 is spelled
What split was tapered or wedge-shaped inside the spherical portion of synthesis and the ball-head cover 22 cooperation, upper end struts slot；The ball cover locking
Mechanism 23 includes strutting bar 233 with the bulb of the support slotted engagement and bulb with stopping mechanism struts pin 234.The bulb
The side wall of set 22 is equipped with sliding slot, and the bulb struts 233 both ends of bar and is arranged in the sliding slot, and bulb struts the two of bar 233
End is provided with reset spring.Bulb struts the shank of pin 234 and stopping mechanism is mounted on the side wall of ball-head cover 22.Bulb struts
The stopping mechanism of pin 234 can strut the structure that the rack gear of 234 shank side of pin cooperates with bulb is arranged in using rebound latch.
The wedge-shaped part that bulb struts pin 234 is inserted into the bulb and struts between the end of 22 side wall upper hopper chute of pin 234 and ball-head cover.It is described
The wedge-shaped part that bulb struts pin 234 can push the bulb to strut bar 233 and strut along sliding slot sliding, by the spherical portion
Ball-head cover 22 described in clamping.
Further, the inner surface of the outer surface of spherical portion and ball-head cover 22 is provided with anti-skid chequer.
Further, as shown in figure 9, a kind of specific embodiment as Postural immobilization pawl provided by the invention, described
Fixed device 1 includes tensioning mechanism 51 and two clamping plates 52；The tensioning mechanism 51 includes tie rod 511 and tightening nut 512.
Tightening nut 512 can be equipped with anti-skid chequer using outer surface, and center is equipped with the knob of threaded hole.The ball-head cover 22 includes bulb
Body 221, two bulb bodies 221 are spaced certain gap and piece together the ball groove portion cooperated with the ball head 21；Institute
Stating ball cover retaining mechanism 23 includes ball-head cover latch segment 231 and ball-head cover lock sleeve 232, two ball-head cover latch segments 231
It is spaced tapered or wedge-shaped 22 sandwich part of ball-head cover of certain gap split, the ball-head cover lock sleeve 232 is sheathed on described
22 sandwich part of ball-head cover；The bulb body 221 is connected to the ball-head cover latch segment 231；The fixed jaw main body 81 connects
In the ball head 21；511 lower end of tie rod sequentially passes through two be oppositely arranged in parallel up and down the clamping plate 52, end
Connect 22 sandwich part of ball-head cover, and ball-head cover lock sleeve 232 described in following 52 contact of the clamping plate, the tie rod
511 upper ends are equipped with the stretching screw cooperated with the tightening nut 512；It is provided on the opposite surface of two clamping plates 52
Groove 521, part of the tie rod 511 between two clamping plates 52 be equipped with perforation card hole, the card hole with it is described
Groove 521 is arranged in parallel.In use, connecting rod 61 is passed through card hole, the groove 521 of upper and lower two clamping plates 52 clamps connecting rod
61；Tightening nut 512 is screwed, reduces tightening nut 512 and 22 sandwich part spacing of ball-head cover, squeezes two intermediate clamping plates 52
With ball-head cover lock sleeve 232；Clamp two clamping plates 52, ball-head cover lock sleeve 232 is slided along 22 sandwich part of ball-head cover.
Now Postural reduction tool provided by the invention is illustrated.As shown in Fig. 1,10 and 11, a kind of Postural reduction work
Tool comprising: attachment device and any one of the above Postural immobilization pawl；The attachment device can be connecting rod 61, fixed frame
62 or operating bed connecting rod 63.The connecting rod 61 is long straight-bar, and surface is provided with anti-skid chequer.Connecting rod 61 can with two or
Multiple Postural immobilization pawl cooperations, by the Postural immobilization at patients with fractures position.The fixed frame 62 includes frame body 622 and is fixed on institute
State the fixed link 621 on frame body 622；The frame body 622 is frame structure, and the fixed link 621 is for connecting the fixed dress
Set 1.Specifically, frame body 622 includes the framework of rectangle and four supporting legs of connection framework；It is equipped between two legs in framework
More parallel fixed links 621.In use, frame body 622 is placed on around patients with fractures position, Postural immobilization pawl passes through fixed dress
It sets 1 and is installed on fixed link 621, the position of Postural immobilization pawl may be implemented can also with flexible arrangement to patients with fractures position
Multi-angle is fixed.The operating bed connecting rod 63 is at L-shaped, and 63 side of operating bed connecting rod is for connecting the fixed device
1, the other side is equipped with the interconnecting piece 631 for connecting with operating bed fixator.Interconnecting piece 631 is according to the model of operating bed fixator
It can be different structures；For example, the plate structure or rod structure of strip.
It performs the operation in above-mentioned each specific embodiment referring to fracture of forearm, to Postural immobilization pawl and Postural reduction work of the invention
The structure and application method of tool are illustrated, and can not be interpreted as limitation of the invention.Postural immobilization pawl of the invention and body
The purposes of position resetting tool is not limited to use in operation, can be also used for other and needs to carry out the positions such as the limbs of patient
The scene that fixed or position is adjusted；Such as: fracture site is fixed temporarily after personnel's fracture, and position when fracture patient shifts faces
When maintain.
Do not make the technical characteristic illustrated in above-mentioned each specific embodiment, can in other specific embodiments
Technical characteristic is identical.
The orientation or positional relationship of the instructions such as "upper", "lower" mentioned in the explanation of above-mentioned each specific embodiment is base
In orientation or positional relationship shown in the drawings, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of Postural immobilization pawl characterized by comprising fixed device (1), ball cover attachment device (2) and cohesion device
(8)；
The cohesion device (8) includes fixed jaw main body (81), obvolvent mechanism (82) and at least two armfuls of fingers (3)；The obvolvent
Mechanism (82) includes obvolvent block (821) and armful finger lock sleeve (822)；More than two obvolvent blocks (821) are connected to described solid
Determine pawl main body (81) and be spaced certain gap to piece together tapered or wedge-shaped armful finger sandwich part, described armful of finger lock sleeve (822)
It is sheathed on described embrace and refers to sandwich part；Described armful of finger (3) is oppositely arranged, and described armful of finger (3) is connected to the obvolvent block (821), simultaneously
It is driven by the obvolvent mechanism (82) to intermediate obvolvent；
The ball cover attachment device (2) includes ball head (21), the ball-head cover (22) cooperated with the ball head (21) and locking
The ball cover retaining mechanism (23) of the ball head (21) and the ball-head cover (22) cooperation；
The fixed jaw main body (81) is hinged by the ball cover attachment device (2) and the fixed device (1)；The fixed dress
Setting (1) can connect with connecting rod (61), fixed frame (62) or operating bed connecting rod (63).
2. Postural immobilization pawl according to claim 1, it is characterised in that: described armful of finger lock sleeve (822) includes being sheathed on institute
It states to embrace and refers to that embracing for sandwich part refers to that retaining ring (8221) and embracing with stopping mechanism refer to locking pin (8222)；Described armful of finger locking pin
(8222) described embrace of wedge-shaped part insertion refers between retaining ring (8221) and the fixed jaw main body (81), can push described embrace
Refer to that retaining ring (8221) are slided along described armful of finger sandwich part.
3. Postural immobilization pawl according to claim 1 or claim 2, it is characterised in that: the fixed jaw main body (81) is received equipped with bracing wire
Tight mechanism (811)；Described armful of finger (3) one end connects the obvolvent block (821), the other end is free end；Described armful of finger (3) is external
Coat protective layer；Described armful of finger (3) includes connecting plate (333), first knuckle (331) and second knuckle (332), and described first refers to
(331) and the second knuckle (332) is saved to connect by the connecting plate (333)；Described first knuckle (331) one end is equipped with arc
Forming head (3311), described second knuckle (332) one end are equipped with arc groove (3321), and the first knuckle (331) is equipped with the arc
The end of forming head (3311) is equipped with sliding axle (3312), is equipped in the middle part of the first knuckle (331) and refers on the inside of (3) positioned at described embrace
The first pull head (3313)；The connecting plate (333) includes the second pull head (3331), hinged end (3332) and is equipped with slippage slot
(3333) sliding-end；The sliding axle (3312) and the slippage slot (3333) cooperate, the hinged end (3332) with it is described
The arc groove (3321) one end of second knuckle (332) is hinged, and second pull head (3331) is located at described embrace and refers to the interior of (3)
Side；Second pull head (3331) can be pulled to first pull head by bracing wire (4) by the bracing wire tightening system (811)
(3313), so that the arc groove (3321) and the curved head (3311) cooperate；The arc groove (3321) and curved head
(3311) surface is provided with anti-skid chequer or reciprocal latch structure.
4. Postural immobilization pawl according to claim 3, it is characterised in that: the bracing wire tightening system (811) includes that bracing wire is stretched
Pulling shaft passage pin (8112) is stretched in pulling shaft (8111) and the bracing wire equipped with stopping mechanism；The fixed jaw main body (81) is provided with bracing wire
Axis sliding slot, the bracing wire are stretched pulling shaft (8111) both ends and are arranged in the bracing wire axis sliding slot；Pulling shaft passage pin is stretched in the bracing wire
(8112) it is set on the fixed jaw main body (81), the wedge-shaped part that pulling shaft passage pin (8112) is stretched in the bracing wire pushes the bracing wire
Pulling shaft (8111) is stretched to slide along the bracing wire axis sliding slot.
5. Postural immobilization pawl according to claim 4, it is characterised in that: the first knuckle (331) is equipped with curved head
(3311) one end is equipped with the first bracing wire axis (3314), and first pull head (3313) is provided with the second bracing wire axis (33131), institute
It states the second pull head (3331) and is provided with third bracing wire axis (33311)；Bracing wire (4) one end of the bracing wire tightening system (811) is
Starting point, the other end are winding end；The starting point bypasses the bracing wire (4) axis；The winding end successively bypasses described first
Bracing wire axis (3314), the second bracing wire axis (33131) and the third bracing wire axis (33311), the winding end is again successively
It connect afterwards with the starting point around the second bracing wire axis (33131) and the first bracing wire axis (3314), make bracing wire (4) shape
At closed loop.
6. Postural immobilization pawl according to claim 1, it is characterised in that: the fixed device (1) includes collet (11) and folder
Lock set is fixed (12)；The collet (11) includes equipped with the body (111) being open and being connected to the body (111) opening two
Two collet clamping blocks (112) of side；Two collet clamping blocks (112) are spaced the tapered or wedge that certain gap pieces together
Collet (11) sandwich part of shape, the collet lock sleeve (12) are sheathed on the collet (11) sandwich part.
7. Postural immobilization pawl according to claim 6, it is characterised in that: the ball head (21) connects the fixed jaw main body
(81)；The ball-head cover (22) includes bulb body (221), and more than two bulb bodies (221) are spaced certain gap
Piece together the ball groove portion with the ball head (21) cooperation；The ball cover retaining mechanism (23) includes ball-head cover latch segment (231)
With ball-head cover lock sleeve (232), more than two ball-head cover latch segments (231) are spaced that certain gap split is tapered or wedge
Ball-head cover (22) sandwich part of shape, the ball-head cover lock sleeve (232) include the ball for being sheathed on the ball-head cover (22) sandwich part
Headgear retaining ring (2321) and ball-head cover locking pin (2322) with stopping mechanism；The bulb body (221) is connected to described
Ball-head cover latch segment (231)；The wedge-shaped part of the ball-head cover locking pin (2322) is inserted into the ball cover retaining ring and the ball groove
Between portion, the ball-head cover lock sleeve (232) can be pushed to slide along the ball-head cover (22) sandwich part；The bulb cover locking
The end for covering (232) is equipped with the ejection part (7) of collet lock sleeve (12) described in ejection；Collet (11) sandwich part is connected to institute
State ball-head cover (22) sandwich part.
8. Postural immobilization pawl according to claim 6, it is characterised in that: the ball-head cover (22) connects the fixed jaw main body
(81), the end of the ball-head cover (22) is equipped with the ejection part (7) of collet lock sleeve (12) described in ejection；The ball head (21)
Including bulb valve (211), the gap that one end interval of more than two bulb valves (211) is certain is pieced together and the ball-head cover
(22) spherical portion that cooperates, split is tapered inside the other end or wedge-shaped struts slot；The ball cover retaining mechanism (23) includes
Bar (233) is strutted with the bulb of the support slotted engagement and bulb with stopping mechanism struts pin (234)；The ball-head cover (22)
Side wall be equipped with sliding slot, the bulb struts bar (233) and is set in the sliding slot；The bulb struts pin (234) and is set to
On the side wall of the ball-head cover (22), the wedge-shaped part that the bulb struts pin (234) can push the bulb to strut bar (233)
Along sliding slot sliding, the spherical portion is strutted to ball-head cover described in clamping (22).
9. Postural immobilization pawl according to claim 1, it is characterised in that: the fixed device (1) includes tensioning mechanism (51)
With two clamping plates (52)；The tensioning mechanism (51) includes tie rod (511) and tightening nut (512)；The ball-head cover (22)
Including bulb body (221), more than two bulb bodies (221) piece together the ball groove with the ball head (21) cooperation
Portion；The ball cover retaining mechanism (23) includes ball-head cover latch segment (231) and ball-head cover lock sleeve (232), described in two or more
Ball-head cover latch segment (231) is spaced tapered or wedge-shaped ball-head cover (22) sandwich part of certain gap split, the ball-head cover
Lock sleeve (232) is sheathed on the ball-head cover (22) sandwich part；The bulb body (221) is connected to the ball-head cover latch segment
(231)；The fixed jaw main body (81) is connected to the ball head (21)；Described tie rod (511) one end sequentially passes through two
The clamping plate (52) simultaneously connects the ball-head cover (22) sandwich part, and ball-head cover lock sleeve described in the clamping plate (52) contact
(232), tie rod (511) other end is equipped with the stretching screw cooperated with the tightening nut (512)；Two clamping plates
(52) it is arranged on opposite surface fluted (521), part of the tie rod (511) between two clamping plates (52)
Card hole equipped with perforation, the card hole are arranged in parallel with the groove (521).
10. a kind of Postural reduction tool characterized by comprising any one of attachment device and claim the 1-9 position are solid
Determine pawl；The attachment device includes connecting rod (61), fixed frame (62) or operating bed connecting rod (63)；The connecting rod (61) is
Long straight-bar, surface are provided with anti-skid chequer；The fixed frame (62) includes frame body (622) and is fixed on the frame body (622)
Fixed link (621)；The frame body (622) is frame structure, and the fixed link (621) is for connecting the fixed device (1)；Institute
It is at L-shaped to state operating bed connecting rod (63), operating bed connecting rod (63) side is for connecting the fixed device (1), another
Side is equipped with the interconnecting piece (631) for connecting with operating bed fixator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710309188.1A CN106943187B (en) | 2017-05-04 | 2017-05-04 | Postural immobilization pawl and Postural reduction tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710309188.1A CN106943187B (en) | 2017-05-04 | 2017-05-04 | Postural immobilization pawl and Postural reduction tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106943187A CN106943187A (en) | 2017-07-14 |
| CN106943187B true CN106943187B (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710309188.1A Active CN106943187B (en) | 2017-05-04 | 2017-05-04 | Postural immobilization pawl and Postural reduction tool |
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| CN (1) | CN106943187B (en) |
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| DE4117357A1 (en) * | 1991-05-28 | 1992-12-03 | Johnsen Gmbh | Human bone clamp holder for surgical procedures - has jib fitted to ball mounting for wide movement range, and is held in place by external lock |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106943187A (en) | 2017-07-14 |
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