CN207640481U - Backbone traction correcting device in art - Google Patents
Backbone traction correcting device in art Download PDFInfo
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- CN207640481U CN207640481U CN201720478673.7U CN201720478673U CN207640481U CN 207640481 U CN207640481 U CN 207640481U CN 201720478673 U CN201720478673 U CN 201720478673U CN 207640481 U CN207640481 U CN 207640481U
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- support arm
- fixing device
- pedestal
- rotary shaft
- head
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 39
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- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The utility model is related to backbone traction correcting devices in art, including gesture rack, head fixing device, crotch's fixing device and multiple manipulators.Backbone traction correcting device in art provided by the utility model, axial traction can be carried out to patient, horizontal position or so squeezes and multi-angle from top to bottom squeezes, All Robots can be slided inside sliding slot, also it can remove and carry out disinfection from gesture rack, ensure that full degree of freedom movement can be carried out by pushing robot device by the way that multiple support arms are arranged, ensure that manipulator push head is rotated and reaches best thrusting position and pushing angle, be arranged hydraulic cylinder drive manipulator push head be telescoped up to operation in push orthopedic effect, according to patient spine deformity position, selection different directions and the manipulator push head of position are pushed, pass through longitudinal traction in art, solid pushes, correct deformity of spine, and it remains orthopedic and is operated, keep surgical menopause more convenient, simplify operation, obtain more preferable orthopedic effect.
Description
Technical field
The utility model is related to field of medical device, backbone traction correcting device in especially a kind of art.
Background technology
Deformity of spine is the opposite loss due to normal anatomy position between backbone bone caused by congenital or acquired disposition,
Occurrence and development can lead to patient's abnormality in outer shape, serious to influence multiple systems such as nerve, movement, breathing, cycle, digestion
Function, or even threaten patient vitals.This kind of disease includes various backbone congenital development sex deviations, spinal trauma fracture, each
Pathologic bone caused by scoliosis caused by kind reason, degenerated or the slippage of traumatic spinal vertebral, tuberculosis of spine or tumour
Folding etc. almost covers all common diseases of spinal surgery, and is directed to deformity of spine in the processing of the surgery of these diseases
Reset issues.
Traditional deformity of spine reset is by being strutted, being compressed by prizing group pedicle screw manually in fixed traction or art
Equal actions make the spinal alignment of deformity reset, and this method has preferable therapeutic effect to slight deformity of spine.But for
Serious deformity of spine dislocation is then difficult to reset, and very high to the requirement of strength, the controllability in direction and accuracy, if error is held
Easily cause secondary injury, or even paralysis.
Utility model content
In order to solve the above-mentioned technical problem provide it is a kind of can multi-faceted, multistation push, guarantee dynamics and direction
Precision, and convenient for backbone traction correcting device in disinfection and the art used.
Backbone traction correcting device in a kind of art, including gesture rack, head fixing device, crotch's fixing device and multiple machineries
Hand, the head fixing device are detachably arranged in the leading portion of the gesture rack length direction, and crotch's fixing device is set
It is placed in the rear portion of the gesture rack length direction, and between having between the head fixing device and crotch's fixing device
One end away from, all manipulators is detachably arranged in the side of the gesture rack along upper, and the other end is towards the gesture rack
Top is bent, and full degree of freedom can be moved freely above the gesture rack.
The gesture rack is platy structure, and the front and rear of the gesture rack length direction is both provided with the first cunning
Rail, first sliding rail is parallel with the gesture rack length direction, the head fixing device and crotch's fixing device
It is separately positioned in corresponding first sliding rail, and can be moved freely in first sliding rail.
It is both provided with the second sliding rail, the head on the downside of the downside of the head fixing device and crotch's fixing device
The width side of portion's fixing device and crotch's fixing device gesture rack described in the corresponding second sliding rail upper edge
To moving freely, it is provided on second sliding rail lower surface and matched first sliding block of first sliding rail.
The gesture rack is platy structure, and the side of the length direction of the gesture rack is along being above provided with sliding slot, Mei Yisuo
State manipulator lower end be both provided with the matched slide card of the sliding slot, and all manipulators can be in the sliding slot
Inside move freely.
The cross section of the sliding slot is convex shape structure, and the cross section of the slide card is convex shape structure, and the slide card
Upper end protrude the sliding slot, and the threaded hole for vertically running through the slide card, institute are offered on the slide card upper surface
It states and is provided with fixed link in threaded hole, the lower end of the fixed link can contact to form fixed company with the sliding slot inside bottom surface
It connects, upper end protrudes the slide card and is provided with the rotating handles for rotating the fixed link.
The manipulator includes the first support arm, the second support arm and pressing device, and first support arm is with being capable of edge
The mode that its center line is freely rotated is vertically arranged in the slide card, and the upper end of first support arm is supported with described second
One end of arm is rotatably connected, and the other end and the pressing device of second support arm are rotatably connected.
Second support arm is rotatably set to by the first rotary shaft on first support arm, the pushing dress
It sets and is rotatably set on second support arm by the second rotary shaft, and first rotary shaft and second rotation
Screw thread and the clamping screw for locking, first support arm and second support arm, described second are both provided on axis
Support arm is locked by the clamping screw with the pressing device.
The pressing device includes pedestal, rotary shaft, hydraulic cylinder and extrusion head, and one end of the pedestal passes through described second
Bending axis is rotatably connected with second support arm, and the rotary shaft is set to the chassis interior by load-bearing bearing, and
The end face of the pedestal is stretched out in one end, and the fixed part of the hydraulic cylinder is set to the end face that the rotary shaft stretches into the pedestal
On, and can be rotated with the rotary shaft, the extrusion head is detachably arranged in the export head of the hydraulic cylinder, and
It can be with the separate and close pedestal of action of the hydraulic cylinder.
The shape of the one end of the extrusion head far from the pedestal is the U-shaped knot that opening is directed away from the pedestal direction
Structure；The shape of the one end of the extrusion head far from the pedestal is hollow cylindrical structure；The extrusion head is far from the pedestal
The shape of one end be that two being set up in parallel and opening is directed away from the U-shaped structure in the pedestal direction；The extrusion head is
Ball-type mechanical hand, the ball-type mechanical hand include cylinder, gas-guide tube, spherical extrusion head and are set in the spherical extrusion head
Particle, the cylinder are fixedly installed on the output section of the hydraulic cylinder, and the spherical extrusion head is set to the hydraulic cylinder
End far from the pedestal, and be connected to the cylinder by the gas-guide tube, the particle is set to the spherical extruding
In head, and it can enter in the gas-guide tube under the extraction of the cylinder.
First support arm is provided with pointer on the hinged end of second support arm, is set on second support arm
It is equipped with and is on the axis of first rotary shaft with the matched limbus of the pointer, the center of circle of the limbus,
And the pointer is directed toward the zero of the limbus when first support arm and second support arm are in same straight line
Point；It is provided with pointer on the hinged end of second support arm and the pressing device, is provided on the pressing device and institute
The matched limbus of pointer is stated, the center of circle of the limbus is on the axis of second rotary shaft, and when described
Second support arm and the pressing device when being in same straight line the pointer be directed toward the zero of the limbus.
Backbone traction correcting device in art provided by the utility model, by the way that head fixing device and crotch's fixing device is arranged
Axial traction can be carried out to patient, horizontal position or so squeezes and extruding from top to bottom, can make by the way that the second sliding rail is arranged
Head fixing device and crotch's fixing device are deviateed on certain position, more patients are adapted to, by gesture rack
Side is along setting sliding slot so that All Robots can be slided inside sliding slot, also can be when needs carry out disinfection
Time is removed from gesture rack, and the manipulator ensures that pressing device can carry out by the way that the first support arm and the second support arm is arranged
Full degree of freedom movement can ensure that extrusion head is rotated and reaches best extrusion position and extruding by the way that rotary shaft is arranged
Angle drives extrusion head to carry out the effect for being telescoped up to extruding by the way that hydraulic cylinder is arranged, and according to the difference of backbone position, selection is not
Same extrusion head is squeezed, and is squeezed in art by drawing, and deformity of spine is corrected, and so that operation is more convenient, simplified operating procedure, is rectified
Shape effect is more preferable.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the vertical view of backbone traction correcting device in art provided by the utility model；
Fig. 2 is the stereoscopic schematic diagram of backbone traction correcting device in art provided by the utility model；
Fig. 3 is the structural schematic diagram of the manipulator of backbone traction correcting device in art provided by the utility model；
Fig. 4 is another structural schematic diagram of the extrusion head of backbone traction correcting device in art provided by the utility model；
Fig. 5 is another structural schematic diagram of the extrusion head of backbone traction correcting device in art provided by the utility model；
Fig. 6 is the partial schematic diagram of the A of backbone traction correcting device in art provided by the utility model；
In figure：
1, gesture rack；2, head fixing device；3, crotch's fixing device；4, manipulator；11, sliding slot；41, slide card；42, solid
Fixed pole；43, rotating handles；44, the first support arm；45, the second support arm；46, pressing device；47, the first rotary shaft；48,
Two rotary shafts；49, clamping screw；461, pedestal；462, rotary shaft；463, hydraulic cylinder；464, extrusion head.
Specific implementation mode
It, below will be to the technology of the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Backbone traction correcting device in art as shown in Figures 1 to 6, including gesture rack 1, head fixing device 2, crotch are solid
Device 3 and multiple manipulators 4 are determined, before the head fixing device 2 is detachably arranged in 1 length direction of the gesture rack
Section, crotch's fixing device 3 are set to the rear portion of 1 length direction of the gesture rack, and the head fixing device 2 and described
There is spacing, one end of all manipulators 4 is detachably arranged in the side of the gesture rack 1 between crotch's fixing device 3
Along upper, the other end full degree of freedom can be moved freely above the gesture rack 1 towards 1 top bending of the gesture rack.
Patient lies prone is on the gesture rack 1, and its head is fixed in the head fixing device 2, crotch and under
Body of leaning to one side is fixed in crotch's fixing device 3, according to the symptom demand of patient, selects suitable manipulator 4 to suffering from
The backbone of person carries out extrusion operation.
The height of spacing and patient between the head fixing device 2 and crotch's fixing device 3 matches.
The gesture rack 1 is platy structure, and the front and rear of 1 length direction of the gesture rack is both provided with the first cunning
Rail, first sliding rail is parallel with 1 length direction of the gesture rack, and dress is fixed by the head fixing device 2 and the crotch
It sets 3 to be separately positioned in corresponding first sliding rail, and can be moved freely in first sliding rail.
Preferably, 1 middle part of the gesture rack offers the accommodating hole for accommodating patient chest and abdomen, the accommodating hole
It can be opened up respectively in the chest of patient and abdomen.
The downside of the head fixing device 2 and the downside of crotch's fixing device 3 are both provided with the second sliding rail, described
The width of head fixing device 2 and the gesture rack 1 described in the corresponding second sliding rail upper edge of crotch's fixing device 3
Degree direction moves freely, and is provided on second sliding rail lower surface and matched first sliding block of first sliding rail.
The following (not shown) of structure of the head fixing device 2：
The head fixing device 2 is that head band fixes head after patient lies prone is on the gesture rack 1
The head that band catches on patient from the chin of patient is fixed.
The head fixing device 2 is the metallic plate of semi-spherical shape, and is provided on metallic plate for screwing in patient's skull
Fixing glue, when use, punches on the skull of patient, and will be fixed in corresponding fixing glue advances through hole.
The following (not shown) of structure of crotch's fixing device 3：
Crotch's fixing device 3 is that band (structure of such as waistband) is fixed by crotch, and when use is wound in the crotch of patient simultaneously
Locking.
Crotch's fixing device 3 is the U-shaped structure with one fixed width, and the opening of the U-shaped structure is towards the head
Portion's fixing device 2, and the end set of the U-shaped structure has towards the fixing glue inside the U-shaped structure, in use, suffering from
It punches, and will be fixed in corresponding fixing glue advances through hole on the hipbone of person.
The gesture rack 1 is platy structure, and the side of the length direction of the gesture rack 1 is along sliding slot 11 is above provided with, often
The lower end of one manipulator 4 be both provided with 11 matched slide card 41 of the sliding slot, and all manipulators 4 can
It is moved freely in the sliding slot 11.
The cross section of the sliding slot 11 is convex shape structure, and the cross section of the slide card 41 is convex shape structure, and described
The upper end of slide card 41 protrudes the sliding slot 11, and is offered on 41 upper surface of the slide card and vertically run through the slide card 41
Threaded hole, be provided with fixed link 42 in the threaded hole, the lower end of the fixed link 42 can under 11 inside of the sliding slot
Surface contact forms a fixed connection, and upper end protrudes the slide card 41 and is provided with the rotating handles for rotating the fixed link 42
43。
The quantity of the sliding slot 11 is two, and is respectively arranged at two sides of 1 length direction of the gesture rack along upper, root
The slide card 41 is slid into the sliding slot 11 of adaptation carry out use according to needs.
The end set of the sliding slot 11 has limited block so that the slide card 41 of the manipulator 4 only can be from described
One end of sliding slot 11 enters in the sliding slot 11, prevents when sliding the manipulator 4, because dynamics is excessive so that described
Manipulator 4 is deviate from from the other end of the sliding slot 11.
The manipulator 4 includes the first support arm 44, the second support arm 45 and pressing device 46, first support arm 44
Be vertically arranged in the slide card 41 in a manner of it can be freely rotated along its center line, the upper end of first support arm 44 with
One end of second support arm 45 is rotatably connected, and the other end and the pressing device 46 of second support arm 45 can turn
Dynamic connection, the slide card 41 meet the manipulator 4 in the degree of freedom of X-axis, and first support arm 44 meets the manipulator
4 Z axis degree of freedom, second support arm 45 meet the manipulator 4 Y-axis degree of freedom, i.e., so that pushings fills
Full degree of freedom movement can be carried out in the top of the gesture rack 1 by setting 46.
Preferably, first support arm 44 and second support arm 45 are stretching structure.
Second support arm 45 is rotatably set to by the first rotary shaft 47 on first support arm 44, institute
It states pressing device 46 to be rotatably set on second support arm 45 by the second rotary shaft 48, and first rotation
Be both provided with screw thread and the clamping screw 49 for locking on axis 47 and second rotary shaft 48, first support arm 44 with
Second support arm 45, second support arm 45 are locked by the clamping screw 49 with the pressing device 46
It is fixed, after second support arm 45, the pressing device 46 rotate to the position of setting, carried out by the clamping screw 49
Locking ensures that relative motion does not occur for first support arm 44, second support arm 45, the pressing device 46, increases and squeezes
The precision of pressure.
Preferably, the first electric rotating machine is provided in the slide card 41, the output end of first electric rotating machine is set vertically
It sets, and is provided with first gear, first support arm 44 is set up in parallel with first electric rotating machine, and described first
The second gear to match with the gear is provided on support arm 44, described in the action drive by first electric rotating machine
First support arm 44 is rotated, and ensures institute by the torque of motor after first support arm 44 rotates to certain angle
The first support arm 44 is stated not rotate.
First support arm 44 is provided with pointer, second support arm on the hinged end of second support arm 45
It is provided on 45 and is in first rotary shaft 47 with the matched limbus of the pointer, the center of circle of the limbus
On axis, and when first support arm 44 and second support arm 45 are in same straight line described in the pointer direction
The zero of limbus；Second support arm 45 is provided with pointer, the pushing on the hinged end of the pressing device 46
It is provided on device 46 and is in second rotary shaft with the matched limbus of the pointer, the center of circle of the limbus
On 48 axis, and when second support arm 45 and the pressing device 46 are in same straight line described in the pointer direction
The zero of limbus, the limbus can be carved directly in corresponding position, can also corresponding position into
Row is placed with, and 0 ° -360 ° of graduation mark is provided on the limbus, and precision is 1 °, and doctor is rotating the manipulator 4
When, it is rotated according to the angle for carrying out selection adaptation of patient, and carried out according to the pointer and the limbus
Determine rotational angle.
Preferably, ± 150 ° of rotations can be carried out between first support arm 44 and second support arm 45, it is described
± 150 ° of rotations can be carried out between second support arm 45 and the pressing device 46.
First support arm 44 is provided with limbus in the slide card 41, and is set on first support arm 44
It is equipped with pointer corresponding thereto, and when second support arm 45 is parallel with the broadside of the gesture rack 1, pointer is directed toward circle
The zero of shape scale can read described in real time when first support arm 44 is rotated by the reading of the pointer
The rotation angle of one support arm 44.
The pressing device 46 includes pedestal 461, rotary shaft 462, hydraulic cylinder 463 and extrusion head 464, the pedestal 461
One end be rotatably connected by second rotary shaft and second support arm 45, the rotary shaft 462 passes through load-bearing axle
It holds and is set to inside the pedestal 461, and the end face of the pedestal 461 is stretched out in one end, the fixed part of the hydraulic cylinder 463 is set
It is placed in the rotary shaft 462 to stretch on the end face of the pedestal 461, and can be rotated with the rotary shaft 462, it is described to squeeze
Pressure head 464 is detachably arranged in the export head of the hydraulic cylinder 463, and can be separate with the action of the hydraulic cylinder 463
With the close pedestal 461.
Preferably, the second electric rotating machine is provided on the pedestal 461, second electric rotating machine drives the rotary shaft
462 are rotated, and then the extrusion head 464 is driven to rotate.
The flexible drive of the hydraulic cylinder 463 extrusion head 464 is acted, and is squeezed the backbone of patient, excellent
Choosing, pressure sensor is provided between the extrusion head 464 and the hydraulic cylinder 463, and can be by wired or wireless
The reading of pressure is transferred at doctor by mode so that doctor has specific judgement to the pressure of patient spine, increases extruding
Dynamics it is accurate.
The shape of the one end of the extrusion head 464 far from the pedestal 461 is that opening is directed away from 461 side of the pedestal
To U-shaped structure, the backbone of patient is squeezed by two ends of U-shaped structure, be suitable for from the surface of backbone to
Lower extruding.
The shape of the one end of the extrusion head 464 far from the pedestal 461 is hollow cylindrical structure, it is preferred that described
Hollow cylindrical inside configuration is provided with spring and crushing block, and the spring one end is with the extrusion head 464 close to the pedestal
461 one end is fixedly connected, and the other end connects the crushing block, and the crushing block can enter institute under the drive of the spring
State in hollow cylindrical structure, and in the state of the spring, the crushing block far from the spring surface with it is described
End face of the hollow cylindrical structure far from the pedestal 461, when in use, the hollow cylindrical structure to patient's
Backbone is squeezed, and the crushing block is squeezed into the hollow cylindrical structure, increases crushing strength and positioning performance.
Preferably, the end face that the crushing block is flushed with the hollow cylindrical structure forms ball towards the spring recess
Shape recess is lacked, the positioning performance of crushing block is increased.
The shape of the one end of the extrusion head 464 far from the pedestal 461 is two be set up in parallel and openings towards far
U-shaped structure from 461 direction of the pedestal, as four claw-likes increase contact area and contact position, and then increase the steady of extruding
It is qualitative.
The extrusion head 464 is ball-type mechanical hand, and the ball-type mechanical hand includes cylinder, gas-guide tube, spherical extrusion head 464
With the particle being set in the spherical extrusion head 464, the cylinder is fixedly installed on the output section of the hydraulic cylinder 463,
The spherical extrusion head 464 is set to the end far from the pedestal 461 of the hydraulic cylinder 463, and passes through the gas-guide tube
It is connected to the cylinder, the particle is set in the spherical extrusion head 464, and can be entered under the extraction of the cylinder
In the gas-guide tube, the spherical extrusion head 464 is fabricated from a flexible material, preferably silica gel material, the totality of the particle
The long-pending one third for being 464 internal volume of spherical extrusion head is to half, when in use, by the spherical extrusion head
464 to patient backbone it is close, and the spherical extrusion head 464 is made to deform, after reaching the pressure of setting, the cylinder is by institute
State the gas extraction inside spherical extrusion head 464 so that all particles are fully compressed in the spherical extrusion head 464,
The backbone that the particles all at this time respectively coat the spherical extrusion head 464 carries out multi-direction extruding, it is therefore prevented that described
Extrusion head 464 occurs the action such as sliding and causes secondary injury to patient after extrusion.
End set of the rotary shaft 462 far from the pedestal 461 has the second threaded hole, the extrusion head 464 close
One end of the rotary shaft 462 is provided with the external screw thread closed with second corresponding threaded holes, convenient to being arranged in rotary shaft 462
On extrusion head 464 replaced.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (10)
1. backbone traction correcting device in a kind of art, it is characterised in that：Including gesture rack, head fixing device, crotch's fixing device
With multiple manipulators, the head fixing device is detachably arranged in the leading portion of the gesture rack length direction, the crotch
Fixing device is set to the rear portion of the gesture rack length direction, and the head fixing device and crotch's fixing device it
Between there is spacing, one end of all manipulators is detachably arranged in the side of the gesture rack along upper, and the other end is towards institute
It states bending above gesture rack, and full degree of freedom can be moved freely above the gesture rack.
2. backbone traction correcting device in art according to claim 1, it is characterised in that：The gesture rack is platy structure,
And the front and rear of the gesture rack length direction is both provided with the first sliding rail, first sliding rail and the gesture rack length
Direction is parallel, and the head fixing device and crotch's fixing device are separately positioned in corresponding first sliding rail,
And it can be moved freely in first sliding rail.
3. backbone traction correcting device in art according to claim 2, it is characterised in that：The downside of the head fixing device
With the second sliding rail is both provided on the downside of crotch's fixing device, the head fixing device and crotch's fixing device are equal
Can the width direction of gesture rack described in the corresponding second sliding rail upper edge move freely, on second sliding rail lower surface
It is provided with and matched first sliding block of first sliding rail.
4. backbone traction correcting device in art according to claim 1, it is characterised in that：The gesture rack is platy structure,
And the side of the length direction of the gesture rack is both provided with and the cunning along sliding slot, the lower end of each manipulator is above provided with
The matched slide card of slot, and all manipulators can move freely in the sliding slot.
5. backbone traction correcting device in art according to claim 4, it is characterised in that：The cross section of the sliding slot is type
The cross section of shape structure, the slide card is convex shape structure, and the upper end of the slide card protrudes the sliding slot, and in the slide card
The threaded hole for vertically running through the slide card is offered on surface, and fixed link, the fixation are provided in the threaded hole
The lower end of bar can contact with the sliding slot inside bottom surface and form a fixed connection, and upper end protrudes the slide card and is provided with and is used for
Rotate the rotating handles of the fixed link.
6. backbone traction correcting device in art according to claim 4, it is characterised in that：The manipulator includes the first support
Arm, the second support arm and pressing device, the support arm are vertically arranged at institute in a manner of it can be freely rotated along its center line
It states in slide card, the upper end of first support arm and one end of second support arm are rotatably connected, second support arm
The other end be rotatably connected with the pressing device.
7. backbone traction correcting device in art according to claim 6, it is characterised in that：Second support arm passes through first
Rotary shaft is rotatably set on first support arm, and the pressing device is rotatably set to by the second rotary shaft
On second support arm, and screw thread and the lock for locking are both provided in first rotary shaft and second rotary shaft
Tight bolt, first support arm pass through with second support arm, second support arm with the pressing device described
Clamping screw is locked.
8. backbone traction correcting device in art according to claim 7, it is characterised in that：The pressing device include pedestal,
One end of rotary shaft, hydraulic cylinder and extrusion head, the pedestal is rotatable by second rotary shaft and second support arm
Connection, the rotary shaft is set to the chassis interior by load-bearing bearing, and the end face of the pedestal, the liquid are stretched out in one end
The fixed part of cylinder pressure is set to the rotary shaft and stretches on the end face of the pedestal, and can be rotated with the rotary shaft,
The extrusion head is detachably arranged in the export head of the hydraulic cylinder, and can be separate and lean on the action of the hydraulic cylinder
The nearly pedestal.
9. backbone traction correcting device in art according to claim 8, it is characterised in that：The extrusion head is far from the pedestal
The shape of one end be that opening is directed away from the U-shaped structure in the pedestal direction；The one end of the extrusion head far from the pedestal
Shape be hollow cylindrical structure；The shape of the one end of the extrusion head far from the pedestal is two being set up in parallel and open
Mouth is directed away from the U-shaped structure in the pedestal direction；The extrusion head is ball-type mechanical hand, and the ball-type mechanical hand includes gas
Cylinder, gas-guide tube, spherical extrusion head and the particle being set in the spherical extrusion head, the cylinder are fixedly installed on the hydraulic pressure
On the output section of cylinder, the spherical extrusion head is set to the end far from the pedestal of the hydraulic cylinder, and is led by described
Tracheae is connected to the cylinder, and the particle is set in the spherical extrusion head, and can under the extraction of the cylinder into
Enter in the gas-guide tube.
10. backbone traction correcting device in art according to claim 7, it is characterised in that：First support arm with it is described
It is provided with pointer on the hinged end of second support arm, is provided on second support arm and the pointer matched round quarter
Degree, the center of circle of the limbus are on the axis of first rotary shaft, and work as first support arm and described second
Support arm when being in same straight line the pointer be directed toward the zero of the limbus；Second support arm is filled with the pushing
It is provided with pointer on the hinged end set, is provided on the pressing device and the matched limbus of the pointer, the circle
The center of circle of shape scale is on the axis of second rotary shaft, and when second support arm is in same with the pressing device
The pointer is directed toward the zero of the limbus when one straight line.
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| CN201720478673.7U CN207640481U (en) | 2017-05-02 | 2017-05-02 | Backbone traction correcting device in art |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088087A (en) * | 2017-05-02 | 2017-08-25 | 首都医科大学附属北京朝阳医院 | Backbone traction correcting device in art |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088087A (en) * | 2017-05-02 | 2017-08-25 | 首都医科大学附属北京朝阳医院 | Backbone traction correcting device in art |
| CN107088087B (en) * | 2017-05-02 | 2023-08-22 | 首都医科大学附属北京朝阳医院 | Intraoperative spinal traction corrector |
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