CN208693412U - The regulating device of active growing rod and active growing rod - Google Patents
The regulating device of active growing rod and active growing rod Download PDFInfo
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- CN208693412U CN208693412U CN201721522825.5U CN201721522825U CN208693412U CN 208693412 U CN208693412 U CN 208693412U CN 201721522825 U CN201721522825 U CN 201721522825U CN 208693412 U CN208693412 U CN 208693412U
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- rod
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 29
- 230000000630 rising effect Effects 0.000 claims 1
- 230000002980 postoperative effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 19
- 230000018109 developmental process Effects 0.000 description 12
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 11
- 206010050694 Congenital scoliosis Diseases 0.000 description 10
- 230000001225 therapeutic effect Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 9
- 239000000696 magnetic material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000005481 NMR spectroscopy Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000012010 growth Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 5
- 230000004118 muscle contraction Effects 0.000 description 5
- 238000001356 surgical procedure Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 241000222712 Kinetoplastida Species 0.000 description 1
- 208000000875 Spinal Curvatures Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000014461 bone development Effects 0.000 description 1
- 230000008468 bone growth Effects 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000005311 nuclear magnetism Effects 0.000 description 1
- 206010039722 scoliosis Diseases 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a kind of regulating device of active growing rod and active growing rods, the regulating device of the active growing rod, including adjusting block, adjustment gear and movable rod, one end of adjusting block and movable rod is slidably connected, keeps movable rod mobile relative to adjusting block, and adjustment gear is rotatably set on adjusting block；Adjusting block be equipped with can elastic reset press part, one end of movable rod is equipped with rack structure, and rack structure cooperates with press part limit and is meshed with adjustment gear；Wherein, when press part in the raw when, press part and rack structure limit cooperate, and move movable rod only along far from the direction of adjusting block；When press part is separated or is staggered with rack structure, movable rod can be moved back and forth relative to adjusting block.The regulating device of active growing rod and active growing rod, patient need to only carry out once mounting operation, and postoperative adjustment is convenient, reduces patient suffering.
Description
Technical field
The utility model relates to the field of medical instrument technology, a kind of regulating device more particularly to active growing rod and
Active growing rod.
Background technique
For the patient of congenital scoliosis, need to carry out the crooked radian of backbone before bone growth and development is mature
Control influences the development of thorax or even important internal organs otherwise it is possible that their lateral bending degree can become very serious,
Even result in death.For lesser extent and conservative therapy can be implemented in the good patient of backbone flexibility method, branch is such as worn
Tool etc., but to a big chunk patient, then it needs to carry out operation intervention, reduces or slow down the progress of lateral bending angle, make patient
Scoliosis angle development complete before control in a certain range.
Currently used therapeutic method of surgery is to be mainly characterized by being used for there are two circular hole respectively up and down using growth valve
Two pitmans up and down are accommodated, and its both ends is respectively provided with one or two plug screws, fixes two pitmans up and down respectively.Upper company
The upper end taken over the baton is fixed to some or two centrums of backbone head end by one or more pedicle screw, and lower connection
Stick then passes through another or one or two centrum of two pedicle screws fixed to backbone tail end, the fixed vertebra of tail end
The selection of body will generally be determined according to the type of lateral bending and position.It, will be upper after growth valve is installed to the concave side of lateral bending radian
Lower two pitmans can support spinal curvature segment directly along longitudinal strut.After first operation, due to the growth of patient
Development, backbone is elongated, at regular intervals, such as or so half a year, needs re-operation, and the fixation plug screw of side is unclamped, and uses
Strutting tool struts upper pitman or lower pitman along longitudinal direction, is then locked again with plug screw.Receive such operation mostly
Patient is both less than 14 years old, thus at most need to receive ten several times strut operation, so high-frequency operation is not only to patient
Great pain is brought, heavy financial burden is also brought to family numbers of patients.
Realize that distracted growing rod, growing rod are equipped with the motor of magnetic material manufacture by magnetic force there are also a kind of at present,
Cardinal principle is that the motor of the application magnetic field excitation growing rod outside patient body rotates, and is converted rotary motion by screw thread
For straight line distracting action.Although this kind of growing rod can not perform the operation and realize and strut in vivo, the size of its distracting force is by disease
Human posture influences, and is easy to happen the phenomenon that can not strutting, intracorporal magnetic material causes patient that can not receive nuclear magnetic resonance image
It checks, simultaneously because equipment is extremely complex and expensive, cannot achieve and be widely applied.
Summary of the invention
Based on this, it is necessary to provide a kind of active growing rod regulating device and active growing rod, be easily installed, after
It is continuous when needing to strut growing rod, only growing rod need to can be made outside by the method or rotation adjustment gear that traction position stretches
It opens, postoperative adjustment is convenient, reduces patient suffering.
Its technical solution is as follows:
A kind of regulating device of active growing rod, including adjusting block, adjustment gear and movable rod, the adjusting block and institute
The one end for stating movable rod is slidably connected, keeps the movable rod mobile relative to the adjusting block, and the adjustment gear can be rotated
It is set on the adjusting block；The adjusting block be equipped with can elastic reset press part, one end of the movable rod is equipped with rack gear
Structure, the rack structure limit cooperation with the press part and are meshed with the adjustment gear；Wherein, it is compressed when described
Part in the raw when, the press part and rack structure limit cooperate, and make the movable rod only along far from described
The direction of adjusting block is mobile；When the press part is separated or is staggered with the rack structure, the movable rod can be relative to institute
State adjusting block reciprocating movement.
When the regulating device of above-mentioned active growing rod is applied to congenital scoliosis disease treatment, by performing the operation vertebra
Pedicle screw is fixed on the backbone of patient according to preset position, and first force makes press part separate or be staggered with rack structure,
So that movable rod is contracted to extreme position or predeterminated position, cancel active force, so that press part is automatically reset, press part and rack structure
Limit cooperation, moves movable rod only along the direction far from adjusting block, movable rod can be driven to move by rotation adjustment gear
It is dynamic；Then adjusting block is fixed by hold-down bars, movable rod or other fixing pieces, at the same adjust movable rod collapsing length,
And be fixed on corresponding pedicle of vertebral arch screw and nail on, complete the installation operation of active growing rod；At this point, press part is in nature shape
State, press part cooperate with rack structure limit, move movable rod only along the direction far from adjusting block, i.e., can only lead along extending
The direction of the length of dynamic formula growing rod stretches；Patient is subsequent when needing to strut active growing rod, only need to be by specifically drawing
The method or rotate adjustment gear to drive movable rod mobile that position stretches, make the elongation of the length of active growing rod, with suitable
Patient spine is answered to develop needs.When the regulating device of the active growing rod is applied to active growing rod, patient only needs to carry out
Once mounting operation, it is subsequent when needing to strut active growing rod, it need to only pass through method that traction position stretches or rotation is adjusted
Gear drives movable rod mobile, is flared out active growing rod, repeatedly struts operation without receiving, reduces patient and treat
Pain and treatment burden；Simultaneously without using magnetic material, patient is not influenced and receives nuclear magnetic resonance image inspection.
Technical solution is illustrated further below:
The adjusting block is equipped with the first mounting hole in one of the embodiments, and the side wall of first mounting hole is equipped with
Limiting slot, the movable rod are equipped with the slide mass being slidably matched with first mounting hole, and the slide mass is equipped with and the limit
The guide protrusions that position slot is slidably matched.Adjusting block and movable rod are thus realized by the cooperation of the first mounting hole and slide mass
It is slidably connected, while realizing that movable rod is moved along preset glide direction using the cooperation of limiting slot and guide protrusions, it is ensured that institute
When stating press part in the raw, the press part and rack structure limit cooperate.
First mounting hole is through-hole, through the setting of the both ends of the adjusting block in one of the embodiments, described
Limiting slot is arranged through the side wall of first mounting hole, and the guide protrusions are guide pin, and the slide mass is equipped with installation institute
State the connecting hole of guide pin.One end of the guide pin may pass through that limiting slot is mounted on connecting hole, the other end can be limited with limiting slot
Position guiding cooperation, moves movable rod in the same direction, avoids being flipped because of external force, press part or rack structure is made to be staggered,
Lead to movable rod effect of contraction therapeutic effect.
The adjusting block is equipped with the mounting groove for installing the press part, the installation in one of the embodiments,
The side of slot is equipped with the matching hole communicated with first mounting hole, and the slide mass is equipped with the rack structure, described to compress
One end of part may pass through the matching hole and the rack structure compresses cooperation, and the adjustment gear passes through the matching hole and institute
Rack structure is stated to be meshed.The installation for thus realizing press part and adjustment gear, passes through the limiting tooth of press part and rack structure
Compress cooperation, move movable rod only along far from the direction of adjusting block, while utilizing the limit of adjustment gear and rack structure
Position tooth is meshed to drive movable rod mobile；Only press part stress, when separating or be staggered with the limiting tooth, the movable rod is
It can be moved back and forth relative to adjusting block；Press part is set in mounting groove simultaneously, active growing rod is can avoid and is installed on trouble
When in person's body, because contraction of muscle or external force make press part separate or be staggered with limiting tooth, movable rod is caused to shrink and influence
Therapeutic effect.
The adjusting block is additionally provided with the first tune of the one side wall setting through the mounting groove in one of the embodiments,
Knothole, and first adjustment hole is set to the one side of adjusting block, the press part is equipped with opposite with first adjustment hole
The force body answered.It is thus acted on force body convenient for being exerted a force by the first adjustment hole, such as rotates force body or pressing force
Body makes press part separate or be staggered with the limiting tooth.
One end of the press part, which is equipped with, in one of the embodiments, compresses cooperation with the limiting tooth of the rack structure
Compress tooth, the other end of the press part is equipped with the force body, the rotation centerline of the force body and the press part
The extending direction for compressing tooth it is perpendicular.It thus can make press part rotation by rotating force body, be separated with the rack structure,
Convenient for controlling force body rotation by the first adjustment hole, keep the structure of adjusting block more compact.
The press part is rotatably set in the mounting groove in one of the embodiments, and the press part with
Between the side wall of the mounting groove be equipped with elastic component, the press part by the elastic component can elastic reset be set to the peace
In tankage；The Impact direction of the elastic component compresses the reaction force direction that tooth compresses cooperation with limiting tooth and is staggered with described.
The elastic component is installed when in mounting groove, can avoid active growing rod and be installed on patient's body, because contraction of muscle or it is external by
Power makes elastic component deform, and press part is caused to separate with limiting tooth, and movable rod is made to shrink and influence therapeutic effect；In patient's body
It is interior strut active growing rod during, which has a convergent force, makes to compress tooth and limiting tooth cooperation phase
Compress, and the Impact direction of the elastic component with compress the reaction force direction that tooth compresses cooperation with limiting tooth and be staggered, can avoid
Compressing the reaction force direction that tooth compresses cooperation with limiting tooth makes elastic component that flexible deformation occur and makes press part and limiting tooth point
From influencing therapeutic effect.
The elastic component includes first compressing section, second compressing section and be set to described the in one of the embodiments,
One compresses section and described second compresses stretch section between section, described first compress section and the side wall of the press part be mutually close to
Pressure, described second compresses section is mutually close to compress with the side wall of the mounting groove.Elastic component is set to be reliably mounted at press part and peace
Between tankage side wall, it is ensured that the elastic reset of press part is functional.
The technical program also provides a kind of active growing rod, the regulating device including above-mentioned active growing rod, institute
Adjusting block is stated equipped with the second adjustment hole, the adjustment gear is equipped with force side corresponding with the adjustment hole, further includes fixing
Stick, one end of the hold-down bars are fixedly connected with the adjusting block and match to form extension stem structure with movable rod.
The active growing rod be applied to congenital scoliosis disease treatment when, by operation by pedicle screw according to
Preset position is fixed on the backbone of patient, first force make press part and limit part from or be staggered, be contracted to movable rod
Extreme position or predeterminated position cancel active force, so that press part is automatically reset, the limit cooperation of press part and limiting section, make activity
Stick is only moved along the direction far from adjusting block；Then hold-down bars is fixed on corresponding pedicle of vertebral arch screw to nail on, adjusts movable rod
Collapsing length and be fixed on another corresponding pedicle of vertebral arch screw and nail on, complete the installation operation of active growing rod；At this point,
In the raw, press part cooperates with limiting section limit, moves movable rod only along the direction far from adjusting block press part,
I.e. rotation adjustment gear driving movable rod can only be stretched along the direction for the length for extending active growing rod at this time；The subsequent need of patient
When strutting active growing rod, the method that specific traction position stretches is first passed through, the drawing of the length of active growing rod is made
It is long, to adapt to patient spine development needs；Such as active growth can not be elongated by specifically drawing the method for position stretching
When stick, only need to opening osculum in the drive axle position of adjustment gear, (operation wound is small, can reduce patients surgery cost and operation pain
It is bitter), adjustment gear rotation driven to drive movable rod to extend outward by particular tool, become the length of active growing rod
It is long, to adapt to patient spine development needs.When the active growing rod is applied to congenital scoliosis disease treatment, patient is only
It need to carry out once mounting operation, it is subsequent when needing to strut active growing rod, by method that traction position stretches or it can pass through
Opening operation osculum drives the mode of adjustment gear rotation, is flared out active growing rod, reduces patient and treats pain and control
Treat burden；Simultaneously without using magnetic material, patient is not influenced and receives nuclear magnetic resonance image inspection.The technical program additionally provides
A kind of active growing rod, the regulating device including above-mentioned active growing rod, the movable rod are two, two work
Dynamic stick one end is slidably connected to form extension stem structure with the adjusting block both ends respectively；Described in a piece movable rod is one corresponding
Press part and an adjustment gear, another movable rod correspond to another press part or/and an adjustment gear.
The active growing rod be applied to congenital scoliosis disease treatment when, by operation by pedicle screw according to
Preset position is fixed on the backbone of patient, and first force makes press part separate or be staggered with rack structure, makes two movable rods
It is contracted to extreme position or predeterminated position, cancels active force, so that press part is automatically reset, the limit of press part and rack structure is matched
It closes, moves movable rod only along the direction far from adjusting block；Then a movable rod is first fixed on corresponding pedicle of vertebral arch screw
It nails on, adjusts the collapsing length of the movable rod, so that adjusting block is in predeterminated position (making the more comfortable position of patient), then adjust
It is another with movable rod and to be fixed on another corresponding pedicle of vertebral arch screw and nail on, complete the installation operation of active growing rod；This
When, in the raw, press part and rack structure limit cooperation make movable rod only along the direction far from adjusting block to press part
It is mobile, i.e., it can only be stretched along the direction for the length for extending active growing rod；Patient is subsequent when needing to strut active growing rod,
The method that specific traction position stretches is first passed through, the elongation of the length of active growing rod is made, to adapt to patient spine development
It needs；Such as can not be by drawing the method for position stretching specifically come when elongating active growing rod, it only need to be in adjustment gear
Drive axle position opens osculum (operation wound is small, can reduce patients surgery cost and operation pain), is driven and adjusted by particular tool
Gear rotation is saved to drive movable rod to extend outward, makes the length of active growing rod, is needed with adapting to patient spine development
It wants.When the active growing rod is applied to congenital scoliosis disease treatment, patient need to only carry out once mounting operation, subsequent
When needing to strut active growing rod, adjustment gear rotation can be driven by the method for traction position stretching or by opening operation osculum
The mode turned, is flared out active growing rod, reduces patient and treats pain and treatment burden；Simultaneously without using magnetic material
Material, does not influence patient and receives nuclear magnetic resonance image inspection.
Detailed description of the invention
Fig. 1 is the structural blast schematic diagram of the regulating device of the active growing rod of the utility model；
Fig. 2 is the assembling schematic diagram of the regulating device of the active growing rod of the utility model；
Fig. 3 is the structural schematic diagram of adjusting block described in the utility model；
Fig. 4 is the structural schematic diagram of movable rod described in the utility model；
Fig. 5 is that the assembly of press part described in the utility model and adjustment gear respectively with rack structure limit cooperation is illustrated
Figure；
Fig. 6 is the assembling schematic diagram of press part described in the utility model and rack structure limit cooperation；
Fig. 7 is the structural blast schematic diagram of active growing rod described in the utility model；
Fig. 8 is the assembling schematic diagram of active growing rod described in the utility model.
Description of symbols:
100, adjusting block, the 110, first mounting hole, 120, limiting slot, 130, mounting groove, 132, matching hole, 140, first adjusts
Knothole, 150, cover board, the 160, second mounting hole, 170, threaded hole, the 180, second adjustment hole, 200, movable rod, 210, rack gear knot
Structure, 212, limiting tooth, 220, slide mass, 221, guide protrusions, 223, connecting hole, 300, press part, 310, force body, 320, support
Knob, 400, elastic component, 410, first compresses section, and 420, second compresses section, 430, stretch section, 500, hold-down bars, 600, fixation
Part, 700, adjustment gear, 710, force side.
Specific embodiment
It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood
Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein
Only to explain the utility model, the protection scope of the utility model is not limited.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment, and nisi position
Relationship is set, allows to can solve corresponding problem i.e. there are certain error (unavoidably there are certain errors for manufacture and assembly)
Can, as long as the design of its utility model belongs to the protection scope of the application as the application.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
" first " described in the utility model, " second " do not represent specific quantity and sequence, are only used for title
It distinguishes.
As shown in Figure 1, Figure 2, shown in Fig. 5 and Fig. 8, a kind of regulating device of active growing rod described in the utility model, packet
Adjusting block 100, adjustment gear 700 and movable rod 200 are included, company is slided in one end of the adjusting block 100 and the movable rod 200
It connects, keep the movable rod 200 mobile relative to the adjusting block 100, the adjustment gear 700 is rotatably set to the tune
In locking nub 100；The adjusting block 100 be equipped with can elastic reset press part 300, one end of the movable rod 200 is equipped with rack gear
Structure 210, the rack structure 210 limit cooperation with the press part 300 and are meshed with the adjustment gear 700；Its
In, when the press part 300 in the raw when, the press part 300 cooperates with the rack structure 210 limit, makes institute
Movable rod 200 is stated only to move along the direction far from the adjusting block 100；When the press part 300 and the rack structure
210 separation or when being staggered, the movable rod 200 can be moved back and forth relative to the adjusting block 100.
Referring to shown in Fig. 1, Fig. 2, Fig. 5 and Fig. 8, the regulating device of above-mentioned active growing rod is applied to congenital backbone side
When curved disease treatment, pedicle screw is fixed on the backbone of patient according to preset position by performing the operation, first force make to
Casting die 300 is separated or is staggered with rack structure 210, and movable rod 200 is made to be contracted to extreme position or predeterminated position, revocation effect
Power, so that press part 300 is automatically reset, press part 300 and rack structure 210 limit cooperate, make movable rod 200 only along separate
The direction of adjusting block 100 is mobile, can drive movable rod 200 mobile by rotation adjustment gear 700；Then pass through hold-down bars
500, movable rod 200 or other fixing pieces 600 fix adjusting block 100, while adjusting the collapsing length, simultaneously of movable rod 200
It is fixed on corresponding pedicle of vertebral arch screw to nail on, completes the installation operation of active growing rod；At this point, press part 300 is in nature shape
State, press part 300 cooperate with the limit of rack structure 210, move movable rod 200 only along the direction far from adjusting block 100, i.e.,
It can only be stretched along the direction for the length for extending active growing rod；Patient is subsequent when needing to strut active growing rod, need to only lead to
Method or the rotation adjustment gear 700 that specific traction position stretches are crossed to drive movable rod 200 mobile, makes active growing rod
Length elongation, with adapt to patient spine development needs.The regulating device of the active growing rod is applied to active growth
When stick, patient need to only carry out once mounting operation, subsequent when needing to strut active growing rod, need to only pass through traction position and stretch
Method or rotation adjustment gear 700 drive movable rod 200 mobile, be flared out active growing rod, it is without receiving more
It is secondary to strut operation, it reduces patient and treats pain and treatment burden；Simultaneously without using magnetic material, patient is not influenced and receives nuclear-magnetism
Resonate image check.
On the basis of the above embodiments, press part 300 and rack structure 210 compress the reaction force direction of cooperation and support
The Impact direction of the elastic reset of casting die 300 is staggered.In patient's body during strutting active growing rod, the lateral bending
Backbone has a convergent force, makes to compress tooth 320 and cooperates with rack structure 210 and is pressed against each other the direction for generating reaction force and supports with this
The Impact direction of the elastic reset of casting die 300 is staggered, and can avoid compressing tooth 320 and limiting tooth 212 compresses the reaction of cooperation
Power direction makes press part 300 separate or be staggered with limiting tooth 212, influences therapeutic effect.In addition, press part 300 and rack structure
210 compress there are many implementations of cooperation, match as one end of press part 300 is compressed with the limiting tooth 212 of the rack structure 210
It closes；Or rack structure 210 is equipped with multiple length directions along movable rod 200 and limiting groove, press part 300 and limiting groove is arranged
Limit compresses cooperation.The force mechanism of the press part 300 can also there are many, such as pressing or drawing overturn it or mobile, or
Rotation makes it be staggered with rack structure 210.
Referring to shown in Fig. 1, Fig. 3 and Fig. 8, it is shown on the basis of the above embodiments, adjusting block 100 is equipped with the first mounting hole
110, the side wall of the first mounting hole 110 is equipped with limiting slot 120, and movable rod 200 is equipped with the cunning being slidably matched with the first mounting hole 110
Kinetoplast 220, slide mass 220 are equipped with the guide protrusions 221 being slidably matched with limiting slot 120.Thus by the first mounting hole 110 with
The cooperation of slide mass 220 realizes being slidably connected for adjusting block 100 and movable rod 200, while utilizing limiting slot 120 and guiding
Protrusion 221 cooperation realize movable rod 200 moved along preset glide direction, it is ensured that press part 300 in the raw when, support
Casting die 300 and the limit of rack structure 210 cooperate.Further, the first mounting hole 110 is through-hole, through the two of adjusting block 100
End setting, limiting slot 120 are arranged through the side wall of the first mounting hole 110, and guide protrusions 221 are guide pin, and slide mass 220 is equipped with
The connecting hole 223 of guide pin is installed.One end of the guide pin may pass through limiting slot 120 be mounted on connecting hole 223, the other end
Can cooperate with 120 limition orientation of limiting slot, move movable rod 200 in the same direction, avoid being flipped because of external force, make to
Casting die 300 or rack structure 210 are staggered, and lead to 200 effect of contraction therapeutic effect of movable rod.Further, limiting slot 120 is
Two and the two sidewalls of the first mounting hole 110 are respectively arranged at, guide pin is installed in connecting hole 223 and the both ends of guide pin
Cooperate respectively with two 120 limition orientations of limiting slot, is further ensured that movable rod 200 will not be flipped.First mounting hole
110 cross section is in rectangular adapter, and the cross section of slide mass 220 is adapted with polygonal hole (such as quadrilateral hole, pentagon hole),
Make movable rod 200 during mobile relative to adjusting block 100, is not flipped as far as possible, makes press part 300 will not be with tooth
The separation of structure 210 is staggered.
Referring to shown in Fig. 1 to Fig. 8, in addition, adjusting block 100 is equipped with the mounting groove 130 for installing press part 300, install
The side of slot 130 is equipped with the matching hole 132 communicated with the first mounting hole 110, and slide mass 220 is equipped with rack structure 210, rack gear
The one side wall of structure 210 is equipped with the limiting tooth 212 being arranged towards matching hole 132, and limiting tooth 212 is along the length side of slide mass 220
To extension, one end of press part 300 may pass through matching hole 132 and limiting tooth 212 compresses cooperation；Thus by press part 300 with
Limiting tooth 212 compresses cooperation, moves movable rod 200 only along the direction far from adjusting block 100；Only press part 300 by
Power, when separating or be staggered with limiting tooth 212, which can just move back and forth relative to adjusting block 100；It will compress simultaneously
Part 300 is set in mounting groove 130, when can avoid active growing rod and being installed on patient's body, because contraction of muscle or it is external by
Power makes press part 300 separate or be staggered with limiting tooth 212, and movable rod 200 is caused to shrink and influence therapeutic effect；In addition the tune
Locking nub 100 is additionally provided with the cover board 150 for closing mounting groove 130, convenient for installing press part 300, elastic component in mounting groove 130
400, then mounting groove 130 is closed with cover board 150, it move press part 300 and elastic component 400 will not arbitrarily, internal structure is more
It is compact, while so that press part 300 is separated or is staggered with limiting tooth 212 prevented also from contraction of muscle or external force, lead to activity
Stick 200 shrinks and influences therapeutic effect.Further, adjusting block 100 is additionally provided with the one side wall setting through mounting groove 130
First adjustment hole 140 (convenient for operation), and the first adjustment hole 140 is set to the one side of adjusting block 100, press part 300 is equipped with
Force body 310 corresponding with the first adjustment hole 140.Thus pass through the first adjustment hole convenient for operating parts (such as spanner, handle)
140 act on force body 310 to exert a force, and such as rotate force body 310 or pressing force body 310, make press part 300 and limiting tooth
212 separation are staggered.Further, one end of press part 300, which is equipped with, compresses cooperation with the limiting tooth 212 of rack structure 210
Compress tooth 320, the other end of press part 300 is equipped with force body 310, the rotation centerline and press part 300 of force body 310
The extending direction for compressing tooth 320 it is perpendicular.Thus it can make the rotation of press part 300 and rack gear knot by rotating force body 310
Structure 210 separates, and convenient for controlling the force body 310 rotation by the first adjustment hole 140, steps up the structure of adjusting block 100 more
It gathers.The force body 310 is equipped with quadrilateral structure, interior hexagonal structure, outer-hexagonal structure, the interior octagonal shapes such as structure or plum blossom structure
Shape rotates convenient for controlling force body 310 by spanner.Similarly, the adjusting block 100 is equipped with the second adjustment hole 180, the tune
It saves gear 700 and is equipped with force side 710 corresponding with the adjustment hole, can also drive adjustment gear 700 through the above way
Rotation.The limiting tooth 212 with compress tooth 320 tooth form can there are many, such as polygonized structure, including angularly disposed rectangle
Tooth, oblique rake tooth etc., or tiltedly " U " font tooth etc..When deserving press part 300 in the raw, limiting tooth 212 and tooth is compressed
320 compress state in engagement.That is, two rows of tooth forms can be arranged along its length in rack structure 210, a toothrow shape with compress
The cooperation of part 300, another toothrow shape and adjustment gear 700 cooperate, and specific structure can be a variety of.
Moreover, press part 300 is rotatably set in mounting groove 130, and the side wall of press part 300 and mounting groove 130 it
Between be equipped with elastic component 400, press part 300 by elastic component 400 can elastic reset be set in mounting groove 130；Elastic component 400
Impact direction is staggered with the reaction force direction that tooth 320 compresses cooperation with limiting tooth 212 is compressed.The elastic component 400 install in
In mounting groove 130, when can avoid active growing rod and being installed on patient's body, because contraction of muscle or external force make elastic component
400 deform, and press part 300 is caused to separate with limiting tooth 212, and movable rod 200 is made to shrink and influence therapeutic effect；Suffering from
Person is intracorporal strut active growing rod during, which has a convergent force, makes to compress tooth 320 and limiting tooth
212 cooperations are pressed against each other, and the Impact direction of the elastic component 400 and compress tooth 320 and limiting tooth 212 compresses the reaction force of cooperation
Direction is staggered, and can avoid compressing tooth 320 and limiting tooth 212 compresses the reaction force direction of cooperation makes elastic component 400 that bullet occur
Property deformation and separate press part 300 with limiting tooth 212, influence therapeutic effect.
The elastic component 400 can obtain in a smaller space the elastic element of larger elastic force for reset spring, plectrum etc..Into
One step, shown in Figure 4, elastic component 400 includes first compressing section 410, second compressing section 420 and be set to first and compress
Section 410 and second compress stretch section 430 between section 420, first compress section 410 and the side wall of press part 300 be mutually close to
Pressure, second compresses section 420 is mutually close to compress with the side wall of mounting groove 130.Elastic component 400 is set to be reliably mounted at press part 300
Between 130 side wall of mounting groove, it is ensured that the elastic reset of press part 300 is functional.
As shown in Figures 7 and 8, the utility model additionally provides a kind of active growing rod, including above-mentioned active life
The regulating device of long stick, the adjusting block 100 are equipped with the second adjustment hole 180, and the adjustment gear 700 is equipped with and the adjusting
The corresponding force side 710 in hole, further includes hold-down bars 500, one end of the hold-down bars 500 and the fixed company of the adjusting block 100
It connects and matches to form extension stem structure with movable rod 200.
The active growing rod be applied to congenital scoliosis disease treatment when, by operation by pedicle screw according to
Preset position is fixed on the backbone of patient, first force make press part 300 and limit part from or be staggered, make movable rod 200
It is contracted to extreme position or predeterminated position, cancels active force, so that press part 300 is automatically reset, press part 300 and limiting section limit
Position cooperation, moves movable rod 200 only along the direction far from adjusting block 100；Then hold-down bars 500 is fixed on corresponding
Pedicle of vertebral arch screw nails on, and adjusts the collapsing length of movable rod 200 and is fixed on another corresponding pedicle of vertebral arch screw and nails on, completes master
The installation of dynamic formula growing rod is performed the operation；At this point, press part 300 is in the raw, press part 300 cooperates with limiting section limit, makes
Movable rod 200 is only moved along the direction far from adjusting block 100, i.e., rotation adjustment gear 700 drives movable rod 200 can only at this time
It is stretched along the direction for the length for extending active growing rod；Patient is subsequent when needing to strut active growing rod, first passes through specific
Traction position stretch method, make the elongation of the length of active growing rod, with adapt to patient spine development needs；Such as can not
It, only need to be in the driving axle position of adjustment gear 700 by drawing the method for position stretching specifically come when elongating active growing rod
It sets out osculum (operation wound is small, can reduce patients surgery cost and operation pain), adjustment gear 700 is driven by particular tool
It rotates to drive movable rod 200 to extend outward, makes the length of active growing rod, to adapt to patient spine development needs.
When the active growing rod is applied to congenital scoliosis disease treatment, patient need to only carry out once mounting operation, subsequent need
When strutting active growing rod, adjustment gear 700 can be driven by the method for traction position stretching or by opening operation osculum
The mode of rotation is flared out active growing rod, reduces patient and treats pain and treatment burden；Simultaneously without using magnetic
Material does not influence patient and receives nuclear magnetic resonance image inspection.
It should be noted that adjusting block 100 and hold-down bars 500 are fixedly connected with mode, non-removable fixation can be
Connection type, such as welding, integrated molding are fixed, riveting；The fixed form that may be a detachable connection, such as socket, buckle
Cooperation is fixed, is threadedly coupled etc..Specifically, as shown in Figures 5 and 6, adjusting block 100 is additionally provided with for installing hold-down bars 500
Second mounting hole 160, through the second mounting hole 160 side wall threaded hole 170 and consolidate with what threaded hole 170 was threadedly engaged
Determine part 600, one end of fixing piece 600 may pass through threaded hole 170, offset with hold-down bars 500.And then realize adjusting block 100 with
Hold-down bars 500 is detachably fixed connection, can install varying strength and size hold-down bars 500 as needed, each to adapt to
Kind operation requires.Hold-down bars 500 can be rotated relative to adjusting block 100, be fixed again.Further, the knot cylindrical of hold-down bars 500
Structure, the second mounting hole 160 are cylindrical hole.Thus it is convenient for when installing hold-down bars 500, because of hold-down bars 500 and the second mounting hole
160 rotatable cooperations, enable the still angle rotatable after hold-down bars 500 is fixed on pedicle screw tail cap of adjusting block 100, make
Adjusting block 100 and movable rod 200 are preferably mounted on patient.The fixing piece 600 be bolt, screw or screw of autotomying,
It is preferred that using autotomy screw or hexagon socket head cap screw.
The utility model additionally provides a kind of active growing rod, the regulating device including above-mentioned active growing rod,
The movable rod 200 is two, and two described 200 one end of movable rod are slidably connected to be formed with 100 both ends of adjusting block respectively
Extension stem structure；A piece corresponding press part 300 of the movable rod 200 and an adjustment gear 700, it is another
Another corresponding press part 300 of movable rod 200 described in root or/and an adjustment gear 700.
The active growing rod be applied to congenital scoliosis disease treatment when, by operation by pedicle screw according to
Preset position is fixed on the backbone of patient, and first force makes press part 300 separate or be staggered with rack structure 210, makes two
Movable rod 200 is contracted to extreme position or predeterminated position, cancels active force, so that press part 300 is automatically reset, press part 300 with
The limit cooperation of rack structure 210, moves movable rod 200 only along the direction far from adjusting block 100；Then first by an activity
Stick 200 is fixed on corresponding pedicle of vertebral arch screw and nails on, and adjusts the collapsing length of the movable rod 200, and adjusting block 100 is made to be in default position
It sets and (makes the more comfortable position of patient), then adjust and another with movable rod 200 and be fixed on another corresponding pedicle screw
On, complete the installation operation of active growing rod；At this point, press part 300 is in the raw, press part 300 and rack structure
210 limit cooperations move movable rod 200 only along the direction far from adjusting block 100, i.e., can only be along the active growing rod of extension
Length direction stretch；Patient is subsequent when needing to strut active growing rod, first passes through the side that specific traction position stretches
Method makes the elongation of the length of active growing rod, to adapt to patient spine development needs；It such as can not be by specifically drawing position
The method of stretching only need to open osculum (operation wound in the drive axle position of adjustment gear 700 come when elongating active growing rod
It is small, can reduce patients surgery cost and operation pain), drive the rotation of adjustment gear 700 to drive movable rod by particular tool
200 extend outward, make the length of active growing rod, to adapt to patient spine development needs.The active growing rod is answered
When for congenital scoliosis disease treatment, patient need to only carry out once mounting operation, subsequent to need to strut active growth
When stick, it can make actively the method for traction position stretching or in such a way that opening operation osculum drives 700 rotation of adjustment gear
Formula growing rod is flared out, and is reduced patient and is treated pain and treatment burden；Simultaneously without using magnetic material, patient is not influenced and is connect
It is checked by nuclear magnetic resonance image.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of regulating device of active growing rod, which is characterized in that described including adjusting block, adjustment gear and movable rod
One end of adjusting block and the movable rod is slidably connected, keeps the movable rod mobile relative to the adjusting block, the adjusting
Gear is rotatably set on the adjusting block；The adjusting block be equipped with can elastic reset press part, the one of the movable rod
End is equipped with rack structure, and the rack structure limits cooperation with the press part and is meshed with the adjustment gear；
Wherein, when the press part in the raw when, the press part and the rack structure limit cooperate, make the work
Dynamic stick is only moved along the direction far from the adjusting block；
When the press part is separated or is staggered with the rack structure, the movable rod can back and forth be moved relative to the adjusting block
It is dynamic.
2. the regulating device of active growing rod according to claim 1, which is characterized in that the adjusting block is equipped with first
Mounting hole, the side wall of first mounting hole are equipped with limiting slot, and the movable rod is equipped with and is slidably matched with first mounting hole
Slide mass, the slide mass is equipped with the guide protrusions that are slidably matched with the limiting slot.
3. the regulating device of active growing rod according to claim 2, which is characterized in that first mounting hole is logical
Hole is arranged through the both ends of the adjusting block, and the limiting slot is arranged through the side wall of first mounting hole, and the guiding is convex
Rising is guide pin, and the slide mass is equipped with the connecting hole for installing the guide pin.
4. the regulating device of active growing rod according to claim 2 or 3, which is characterized in that the adjusting block is equipped with
For installing the mounting groove of the press part and the adjustment gear, the side of the mounting groove is equipped with and first mounting hole
The matching hole communicated, the slide mass are equipped with the rack structure, and one end of the press part may pass through the matching hole and institute
It states rack structure and compresses cooperation, the adjustment gear is meshed by the matching hole with the rack structure.
5. the regulating device of active growing rod according to claim 4, which is characterized in that the adjusting block, which is additionally provided with, to be passed through
The first adjustment hole of the one side wall setting of the mounting groove is worn, and first adjustment hole is set to the one side of adjusting block, institute
Press part is stated equipped with force body corresponding with first adjustment hole.
6. the regulating device of active growing rod according to claim 5, which is characterized in that one end of the press part is set
There is the tooth that compresses that cooperation is compressed with the limiting tooth of the rack structure, the other end of the press part is equipped with the force body, institute
The extending direction for compressing tooth of the rotation centerline for stating force body and the press part is perpendicular.
7. the regulating device of active growing rod according to claim 6, which is characterized in that the press part is rotatably set
It is placed in the mounting groove, and is equipped with elastic component between the press part and the side wall of the mounting groove, the press part passes through
The elastic component can elastic reset be set in the mounting groove；The Impact direction of the elastic component compresses tooth and limit with described
The reaction force direction that tooth compresses cooperation is staggered.
8. the regulating device of active growing rod according to claim 7, which is characterized in that the elastic component includes first
Section is compressed, second section is compressed and is set to described first and compress section and described second compress stretch section between section, described first
Section is compressed mutually to be close to compress with the side wall of the press part, described second compress section and the side wall of the mounting groove be mutually close to
Pressure.
9. a kind of active growing rod, which is characterized in that including active growing rod as claimed in any one of claims 1 to 8
Regulating device, the adjusting block be equipped with the second adjustment hole, the adjustment gear be equipped with force corresponding with the adjustment hole
End further include:
Hold-down bars, one end of the hold-down bars are fixedly connected with the adjusting block and match to form extension stem knot with movable rod
Structure.
10. a kind of active growing rod, which is characterized in that including active growing rod as claimed in any one of claims 1 to 8
Regulating device, the movable rod is two, and two described movable rod one end are slidably connected with the adjusting block both ends shape respectively
At extension stem structure；A piece corresponding press part of the movable rod and an adjustment gear, another work
Dynamic stick corresponds to another press part or/and an adjustment gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721522825.5U CN208693412U (en) | 2017-11-15 | 2017-11-15 | The regulating device of active growing rod and active growing rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721522825.5U CN208693412U (en) | 2017-11-15 | 2017-11-15 | The regulating device of active growing rod and active growing rod |
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| Publication Number | Publication Date |
|---|---|
| CN208693412U true CN208693412U (en) | 2019-04-05 |
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ID=65913804
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721522825.5U Active CN208693412U (en) | 2017-11-15 | 2017-11-15 | The regulating device of active growing rod and active growing rod |
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| Country | Link |
|---|---|
| CN (1) | CN208693412U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107822700A (en) * | 2017-11-15 | 2018-03-23 | 山东威高骨科材料股份有限公司 | Adjusting means, passive type growing rod and the active growing rod of growing rod |
| CN113116487A (en) * | 2019-12-31 | 2021-07-16 | 上海微创医疗器械（集团）有限公司 | Spinal orthopedic non-invasive growth rod |
-
2017
- 2017-11-15 CN CN201721522825.5U patent/CN208693412U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107822700A (en) * | 2017-11-15 | 2018-03-23 | 山东威高骨科材料股份有限公司 | Adjusting means, passive type growing rod and the active growing rod of growing rod |
| CN113116487A (en) * | 2019-12-31 | 2021-07-16 | 上海微创医疗器械（集团）有限公司 | Spinal orthopedic non-invasive growth rod |
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