CN106937883A - Based on the percutaneous microchannel Cervical vertebra pedicle nail guiding locator of CT data three-dimensionals - Google Patents
Based on the percutaneous microchannel Cervical vertebra pedicle nail guiding locator of CT data three-dimensionals Download PDFInfo
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- CN106937883A CN106937883A CN201710232907.4A CN201710232907A CN106937883A CN 106937883 A CN106937883 A CN 106937883A CN 201710232907 A CN201710232907 A CN 201710232907A CN 106937883 A CN106937883 A CN 106937883A
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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
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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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
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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
- A61B17/90—Guides therefor
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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
- A61B2017/564—Methods for bone or joint treatment
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Abstract
The present invention relates to based on the percutaneous microchannel Cervical vertebra pedicle nail guiding locator of CT data three-dimensionals, including guide pipe, the snakelike arm that is socketed in the retainer ring of guide pipe lower end and is connected with guide pipe upper end, the other end of snakelike arm is fixed on operation table；Movable sleeve is connected to the second inner tube in the guide pipe, movable sleeve is connected to the first inner tube in second inner tube, activity is equipped with puncture awl in first inner tube, the guiding locator also includes the movable passage-opening awl being arranged in the first inner tube being adapted with the first inner tube diameter, the movable screw tap being arranged in the second inner tube being adapted with the second inner tube diameter, and the internal diameter of the guide pipe is adapted to guide implantation pedicle nail with pedicle nail external diameter.The present invention is simple in construction, easy to use, by setting the positioning pipe parallel with guide pipe, coordinates the locating surface of location division and overlapping for pedicle of vertebral arch reference plane, so that guarantee accurate selection pedicle nail hammers into a little and hammer into angle.
Description
Technical field
The present invention relates to technical field of medical instruments, and in particular to one kind is based on the percutaneous microchannel Cervical vertebra of CT data three-dimensionals
Pedicle nail guiding locator.
Background technology
Pedicle nail plays an important role in terms of the treatments such as spinal trauma reset, malformation correction, unstability reconstruction, and
The development of pedicle internal fixators system has promoted the development of spinal surgery technology significantly.Pedicle internal fixators are specifically
Pedicle nail is screwed into centrum, so as to play anchorage effect.
In pedicle screw internal fixation operation, can the key of success or failure be pedicle nail pedicle to be screwed into vertebra exactly
Body, therefore correctly find pedicle of vertebral arch mark, determine pedicle nail to hammer into point, direction and depth particularly important.In pedicle of vertebral arch
Need first to break musculature before nail implantation and find pedicle of vertebral arch, perforate, tapping, then install pedicle nail on pedicle of vertebral arch,
During this, each operating procedure needs to change corresponding instrument, relatively complicated, is unfavorable for the progress of operation；And pedicle of vertebral arch
Nail implanted prosthetics has three basic steps, i.e. entry point positioning, enters to follow closely the selection of angle and implantation depth, at present, for entering
Follow closely point location and enter to follow closely the selection of angle, rely primarily on the range estimation judgement for applying patient, due to a lack of basis of reference, this causes pedicle of vertebral arch
The implementation of internal fixation operation is more difficult.
The content of the invention
The purpose of the present invention is to be directed to above weak point there is provided one kind after surgical location, operation angle has been selected, right
Guide pipe be fixed ensure entry point, enter to follow closely angle it is constant with complete a series of operating procedures based on CT data three-dimensionals pass through
Skin microchannel Cervical vertebra pedicle nail guiding locator, it is various that this process does not need mobile guide pipe just can directly be replaced
Surgical knife tool, it is ensured that what pedicle nail hammered into a little and hammered into angle is accurately positioned fixation, it is ensured that pedicle screw internal fixation operation
It is smoothed out.
The present invention solves the scheme that is used of technical problem：One kind is based on the percutaneous microchannel Cervical vertebra vertebra of CT data three-dimensionals
Nut follows closely guiding locator, including guide pipe, is socketed in the retainer ring of guide pipe lower end and is connected with guide pipe upper end
Snakelike arm, the other end of snakelike arm is fixed on operation table, and the bottom of snakelike arm sets arm seat, and arm seat is fixed on operation table
On；Movable sleeve is connected to movable sleeve in the second inner tube, the second inner tube and is connected to activity in the first inner tube, the first inner tube in the guide pipe
It is equipped with puncture awl, the guiding locator also includes and the first inner tube diameter is adapted movable is arranged in the first inner tube
Interior passage-opening awl, the movable screw tap being arranged in the second inner tube being adapted with the second inner tube diameter, the guide pipe it is interior
Footpath is adapted to guide implantation pedicle nail with pedicle nail external diameter.
In addition, the present invention can be further improved to：Increase positioning pipe, by between positioning pipe and pedicle of vertebral arch positioning datum
Positioning is fixedly connected so as to adjust the angle of guide pipe, and be directed to pipe with positioning pipe, it is ensured that both depth of parallelisms；It is described to draw
Lead positioner and also include the positioning pipe axially in parallel with guide pipe, be arranged at positioning pipe bottom be used for benchmark with pedicle of vertebral arch
Face location fit has radially extended multiple connecting portions, institute to determine that pedicle nail is hammered on the location division of angle, the positioning pipe
State and multiple fitting portions respectively with each connecting portion corresponding matching are radially extended on guide pipe, offered on fitting portion chimeric
Be provided with the lock screw for connecting portion being fixedly mounted in embedded hole on hole, the fitting portion.
By overlapping between the bottom surface of isosceles triangle plate and the planar section of pedicle of vertebral arch, guide pipe operation angle is realized
Positioning；The location division includes the locating bodies being arranged on positioning pipe, the isosceles triangle plate being fixedly connected with locating bodies,
The central axis of the locating bodies is in the bottom surface of isosceles triangle plate.
By overlapping between the datum line between two angles and the planar section of pedicle of vertebral arch, guide pipe operation angle is realized
Positioning, and can be according to the distance between the size of pedicle of vertebral arch area of plane correspondence two angles of regulation；The positioning
Portion includes the locating bodies being arranged on positioning pipe, two isometric angles being hinged on locating bodies, two angles
It is arranged on locating bodies, to ensure that when adjusting spacing two angles can be rotated, has been adjusted by bolt nut structure
Two angles can be fixed；Datum line all the time perpendicular to locating bodies is provided between two angles, therefore in adjustment
During the spacing of two angles, it is ensured that the center line between two angles is overlapped with locating bodies all the time, in use, being obtained according to CT
Reference plane complete two angles of rea adjusting spacing after, datum line is tied up between two angles, and ensure base
Directrix determines that guide pipe inclines by the parallel relation of datum line and reference plane perpendicular to locating bodies, during in order to perform the operation all the time
Rake angle.
By the located coincident of location division and vertebral arch rhizoplane so as to limit the angle of guide pipe；The positioning pipe and positioning
Body is fixedly connected, and the angle formed between positioning pipe and locating bodies is 90 °.
By the located coincident of location division and vertebral arch rhizoplane so as to limit the angle of guide pipe, or obtain according to preoperative CT
Pedicle of vertebral arch locating surface and surgical location angle, adjustment positioning pipe and locating bodies angle, so as to limit the operation of guide pipe
Angle；The positioning pipe is hinged with locating bodies, and the hinged place of positioning pipe and locating bodies is provided with for fixing positioning
The hinged place of the bolt nut structure of the rotation of portion and positioning pipe, positioning pipe and locating bodies is additionally provided with for measuring positioning pipe
The protractor of angle is formed between locating bodies.
By retainer ring fixed guide pipe, in order to avoid both offset from each other, while both relative rotations can also be realized,
Also, after retainer ring is arranged installation, the free degree that retainer ring is moved upwards is restrained；The lower, outer perimeter of the guide pipe is set
There is external thread section, the external diameter of external thread section is more than the external diameter of guide pipe, and the upper inside wall of the retainer ring is provided with and guide pipe
The internal thread segment that coordinates of external thread section, the bottom of the retainer ring extends radially inward limited location convex portion, internal thread segment and limit
The recess that the internal diameter for accommodating external thread section is more than internal thread segment internal diameter, stopper protrusion internal diameter is formed between the convex portion of position, with
Guide pipe is set to be relatively rotated with fixed interannular, external thread section and the stopper protrusion of guide pipe coordinate to above and below spacing retainer ring
Motion.
In order to prevent during operation because guide pipe slides with respect to pedicle of vertebral arch, cause the progress of position bias effect operation；It is described
The bottom of the bottom of guide pipe, the bottom of the second inner tube and the first inner tube has extended downwardly multiple fixing tooths, in order to incite somebody to action
Guide pipe, the second inner tube and the first inner tube are fixed on pedicle of vertebral arch.
For the ease of fixing guide pipe and retainer ring；The top of the guide pipe is laterally extended with lever, the fixation
It is lateral on ring to be extended with hand-to-arm grip, and in order to prevent because frictional force can not enough hold with a firm grip lever and hand-to-arm grip during operation, the lever,
The afterbody of hand-to-arm grip is provided with Anti-slip cover.
For prior art, the present invention has advantages below：
(1) present invention coordinates puncture awl to complete breaking for musculature by guide pipe, the second inner tube, the first inner tube, leads to
The perforate that guide pipe, the second inner tube, the first inner tube coordinate passage-opening awl to complete pedicle of vertebral arch is crossed, is coordinated by guide pipe, the second inner tube
Screw tap completes the tapping of pedicle of vertebral arch, and the fixation of pedicle nail completion pedicle nail is coordinated by guide pipe, and each step is progressively complete
Into, it is not necessary to mobile guide pipe can complete the perforate tapping of pedicle of vertebral arch to install pedicle nail, save operating time；
(2) present invention sets the positioning pipe parallel with guide pipe, by overlapping for location division and pedicle of vertebral arch reference plane, from
And ensure accurately to choose pedicle nail during operation hammer into a little and hammer into angle, also, both dismountable structures are easy to portion
The cleaning of part, to ensure the sanitation and hygiene of part；
(3) present invention sets the location division of two kinds of structures, and the structure of isosceles triangle plate utilizes its bottom surface and vertebral arch foundation
The coincidence in quasi- face reaches locating effect, and the structure of two adjustable angles is while ensure that locating effect, moreover it is possible to according to
The size of the pedicle of vertebral arch reference plane of selection adjusts the spacing of angle, and effect is more notable；
(4) guide pipe is fixed with snakelike arm by retainer ring by the present invention, and screws in internal thread segment in guide pipe
Afterwards, stopper protrusion coordinates limitation retainer ring, guide pipe to move up and down with internal thread segment, it is ensured that retainer ring can be directed to pipe well
Bottom is fixed, the progress for preventing guide pipe bias effect from performing the operation；
(5) present invention sets fixing tooth using in the bottom for being oriented to bottom of the tube, the bottom of the second inner tube and the first inner tube
Pipe, the second inner tube and the first inner tube nail are directed on pedicle of vertebral arch, prevents its skew from influenceing the progress of operation.
Brief description of the drawings
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings：
Fig. 1 is the structural representation of the embodiment of the present invention one；
Fig. 2 is the attachment structure schematic diagram of guide pipe, the second inner tube, the first inner tube and puncture awl；
Fig. 3 is the attachment structure schematic diagram of guide pipe, the second inner tube, the first inner tube and passage-opening awl；
Fig. 4 is the attachment structure schematic diagram of guide pipe, the second inner tube and screw tap；
Fig. 5 is the attachment structure schematic diagram of guide pipe and pedicle nail；
Fig. 6 is the attachment structure sectional view of retainer ring and guide pipe；
Fig. 7 is the structural representation of the embodiment of the present invention two；
Fig. 8 is the structural representation of the embodiment of the present invention three；
Fig. 9 is the use state schematic diagram of the embodiment of the present invention three；
Figure 10 is the structural representation of neck pedicle of vertebral arch.
In figure：
1- positioning pipes；11- connecting portions；2- lock screws；3- guide pipes；31- fitting portions；32- levers；33- fixing tooths；
34- external thread sections；35- puncture awls；The inner tubes of 36- first；The inner tubes of 37- second；38- passage-opening awls；39- screw taps；4- location divisions；41-
Locating bodies；42- angles；43- isosceles triangle plates；5- retainer rings；51- hand-to-arm grips；52- internal thread segments；53- stopper protrusions；
6- protractors；7- pedicle nails；8- musculatures；81- pedicles of vertebral arch；The snakelike arms of 9-；91- arm seats；A- reference planes；B- pedicle nails
Implantation position；C- neck pedicles of vertebral arch.
Embodiment
Present invention is described in detail with reference to Figure of description and specific embodiment：
Embodiment 1：
As shown in figures 1 to 6, the present embodiment is provided one kind and drawn based on the percutaneous microchannel Cervical vertebra pedicle nail of CT data three-dimensionals
Lead positioner, including guide pipe 3, be socketed in the retainer ring 5 of the lower end of guide pipe 3 and be connected with the upper end of guide pipe 3 it is snakelike
Arm 9, the other end of snakelike arm 9 is fixed on operation table, and the bottom of snakelike arm 9 sets arm seat 91, and arm seat 91 is fixed on hand
On art bed；Movable sleeve is connected to movable sleeve in the second inner tube 37, the second inner tube 37 and is connected to the first inner tube 36 in the guide pipe 3, the
Activity is equipped with puncture awl 35 in one inner tube 36, the guiding locator also include with the internal diameter of the first inner tube 36 be adapted can
The passage-opening awl 38 that is actively located in the first inner tube 36, with the internal diameter of the second inner tube 37 is adapted movable is arranged in the second inner tube
Screw tap 39 in 37, the internal diameter of the guide pipe 3 is adapted to guide implantation pedicle nail 7 with the external diameter of pedicle nail 7.
In the present embodiment, as shown in fig. 6, in order to ensure retainer ring 5 being arranged on guide pipe 3 to prevent both
Offset from each other, while both relative rotations can also be realized, also, after retainer ring 5 is arranged installation, retainer ring 5 is moved upwards
The free degree it is restrained；The lower, outer perimeter of the guide pipe 3 is provided with external thread section 34, and the external diameter of external thread section 34, which is more than, to be oriented to
The external diameter of pipe 3, the upper inside wall of the retainer ring 5 is provided with the internal thread segment 52 with the cooperation of external thread section 34 of guide pipe 3, institute
The bottom of retainer ring 5 radially limited location convex portion 53 is stated, forms outer for accommodating between internal thread segment 52 and stopper protrusion 53
Thread segment 34 is so that relatively turnable recess, the external thread section 34 and stopper protrusion of guide pipe 3 between guide pipe 3 and retainer ring 5
53 coordinate with the motion upwards of spacing retainer ring 5.
The specific implementation process of the present embodiment：In use, the surgery location information obtained by CT judges the plant of pedicle nail
Enter angle, being directed to pipe 3 according to the angle information is adjusted to respective angles, and guide pipe 3 is carried out by retainer ring 5 and snakelike arm 9
It is fixed, take puncture awl 35 to be passed through from the first inner tube 36, breaking the musculature 8 of surgery location exposes pedicle of vertebral arch 81, breaks
Afterwards, puncture awl 35 is taken out, passage-opening awl 38 is packed into and stretches out and is punched on pedicle of vertebral arch 81, punching from the other end in the first inner tube 36
Afterwards, extract passage-opening awl 38 out, and the first inner tube 36 released out of second inner tube 37, take screw tap 39 pack into the second inner tube 37 from
The other end is stretched, the tapping on pedicle of vertebral arch 81, is accomplished fluently after the screw for installing pedicle nail 7, by the inner tube 37 of screw tap 39 and second
Extracted out of guide pipe 3, pedicle nail 7 is packed into guide pipe 3, completed in the installation operation of pedicle nail 7, whole process
Do not change the position of guide pipe 3, it is ensured that surgery location it is constant.
Embodiment 2：
As shown in fig. 7, the present embodiment is mainly used in the pedicle internal fixators operation of cervical vertebra, cervical vertebral arch is utilized
There is a reference plane A parallel to this feature of vertebral pedicle nail implanted angle in root, hand is carried out as basis of reference using reference plane A
Art；The present embodiment include guide pipe 3, be socketed in the retainer ring 5 of the lower end of guide pipe 3 and be connected with the upper end of guide pipe 3 it is snakelike
Arm 9, the other end of snakelike arm 9 is fixed on operation table, and the bottom of snakelike arm 9 sets arm seat 91, and arm seat 91 is fixed on hand
On art bed；Movable sleeve is connected to movable sleeve in the second inner tube 37, the second inner tube 37 and is connected to the first inner tube 36 in the guide pipe 3, the
Activity is equipped with puncture awl 35 in one inner tube 36, the guiding locator also include with the internal diameter of the first inner tube 36 be adapted can
The passage-opening awl 38 that is actively located in the first inner tube 36, with the internal diameter of the second inner tube 37 is adapted movable is arranged in the second inner tube
Screw tap 39 in 37, the internal diameter of the guide pipe 3 is adapted to guide implantation pedicle nail 7 with the external diameter of pedicle nail 7；Also
Including the positioning pipe 1 axially in parallel with guide pipe 3, it is arranged at matching somebody with somebody for being positioned with the reference plane of pedicle of vertebral arch for the bottom of positioning pipe 1
Conjunction has radially extended multiple connecting portions 11 to determine that pedicle nail is hammered on the location division 4 of angle, the positioning pipe 1, described to lead
Level on multiple fitting portions 31 respectively with each corresponding matching of connecting portion 11, fitting portion 31 is radially extended on to pipe 3 to open up
Have the lock screw 2 being provided with embedded hole, the fitting portion 31 for connecting portion 11 being fixedly mounted in embedded hole, it is described
Positioning pipe 1 is fixedly connected with location division 4, and the angle formed between positioning pipe 1 and location division 4 is 90 °.
In the present embodiment, by overlapping between the bottom surface of isosceles triangle plate 43 and the planar section of pedicle of vertebral arch, so that
Realize the restriction of the operation angle of guide pipe 3；The location division 4 includes the locating bodies 41 being arranged on positioning pipe 1 and positioning originally
The isosceles triangle plate 43 that body 41 is fixedly connected, the central axis of the locating bodies 41 is in the bottom of isosceles triangle plate 43
Face.
In the present embodiment, in order to according to the size of the vertebral arch area of plane correspondence regulation two angles 42 between away from
From；Locating bodies 41 that the location division 4 includes being arranged on positioning pipe 1, be hinged on locating bodies 41 two it is isometric
Angle 42, two angles 42 by bolt nut structure be arranged on locating bodies 41 on, with ensure adjust spacing when can
To rotate two angles 42, two angles 42 can be fixed by having adjusted；It is provided between two angles 42 vertical all the time
In the datum line of locating bodies 41, in use, according to the spacing of the CT reference plane A obtained complete two angles 42 of rea adjusting
Afterwards, datum line is tied up between two angles 42, and ensures datum line all the time perpendicular to locating bodies 41, in order to perform the operation
When the angle of inclination of guide pipe 3 is determined by datum line and reference plane A parallel relation.
The specific implementation process of the present embodiment：As shown in Figure 10, in neck pedicle of vertebral arch C, the implant angle of pedicle nail
Can be parallel with a reference plane A on cervical vertebra, therefore pedicle nail implant surgery can be by reference plane A come positioning confirmation implant angle
Degree, the air line distance between implantation position B is determined specifically by CT acquisition reference plane A and pedicle of vertebral arch, preoperative to be adjusted according to the distance
The distance of whole positioning pipe 1 and guide pipe 3, during operation, by locating surface (bottom surface of isosceles triangle plate 43 or two of location division 4
Datum line between angle 42) it is posted by or parallel to reference plane A, vertical relation, positioning because of location division 4 and positioning pipe 1
The parallel relation of pipe 1 and guide pipe 3, the angle of obtained guide pipe 3, the foothold of guide pipe 3 are the implantation of pedicle nail
Angle, implantation point；Confirm the implant angle of pedicle nail, be implanted into after point, retainer ring 5 and fixing tooth 33 can effectively be directed to pipe
3 are fixed, and are easy to the progress of operation.
Embodiment 3：
As Figure 8-9, the present embodiment is different from embodiment two, and the present embodiment can apply in addition to cervical vertebra it
The pedicle internal fixators operation at his position, because the base of presence one that pedicle for cervical vertebra arch has is not present in the pedicle of vertebral arch at other positions
Quasi- face A is arranged to adjustable-angle parallel to this feature of vertebral pedicle nail implanted angle, therefore by location division 4；The present embodiment
Including guide pipe 3, the snakelike arm 9 that is socketed in the retainer ring 5 of the lower end of guide pipe 3 and is connected with the upper end of guide pipe 3, snakelike arm 9
The other end be fixed on operation table, the bottom of snakelike arm 9 sets arm seat 91, and arm seat 91 is fixed on operation table；It is described
Movable sleeve is connected to movable sleeve in the second inner tube 37, the second inner tube 37 and is connected to work in the first inner tube 36, the first inner tube 36 in guide pipe 3
Dynamic to be equipped with puncture awl 35, the guiding locator also includes and the internal diameter of the first inner tube 36 is adapted movable is arranged in the
Passage-opening awl 38 in one inner tube 36, the movable screw tap that is arranged in second inner tube 37 in adaptable with the internal diameter of the second inner tube 37
39, the internal diameter of the guide pipe 3 is adapted to guide implantation pedicle nail 7 with the external diameter of pedicle nail 7；Also include and guiding
The axially in parallel positioning pipe 1 of pipe 3, it is arranged at being used for the reference plane location fit of pedicle of vertebral arch to determine vertebra of the bottom of positioning pipe 1
Nut is hammered into have been radially extended on multiple connecting portions 11, the guide pipe 3 radially on the location division 4 of angle, the positioning pipe 1
It is extended with level on multiple fitting portions 31 respectively with each corresponding matching of connecting portion 11, fitting portion 31 and offers embedded hole, institute
State the lock screw 2 being provided with fitting portion 31 for connecting portion 11 being fixedly mounted in embedded hole.
In the present embodiment, in order to limit the angle of guide pipe 3 by the located coincident of location division 4 and vertebral arch plane
Degree, or according to the angle of the preoperative CT vertebral arch locating surfaces obtained and surgical location, to adjust the angle of locating bodies 41 and positioning pipe 1
Degree, so as to limit the operation angle of guide pipe 3；The positioning pipe 1 is hinged with locating bodies 41 by bolt and nut, to ensure
Can be with rotational positioning pipe 1, locating bodies 41 when adjusting angle, positioning pipe 1, locating bodies 41 can be fixed by having adjusted；
The hinged place of positioning pipe 1 and locating bodies 41 is provided with the angulation for measuring the angle formed between positioning pipe 1 and location division 4
Device 6.
In the present embodiment, by overlapping between the bottom surface of isosceles triangle plate 43 and the planar section of pedicle of vertebral arch, so that
Realize the restriction of the operation angle of guide pipe 3；The location division 4 includes the locating bodies 41 being arranged on positioning pipe 1 and positioning originally
The isosceles triangle plate 43 that body 41 is fixedly connected, the central axis of the locating bodies 41 is in the bottom of isosceles triangle plate 43
Face.
In the present embodiment, in order to according to the size of the vertebral arch area of plane correspondence regulation two angles 42 between away from
From；Locating bodies 41 that the location division 4 includes being arranged on positioning pipe 1, be hinged on locating bodies 41 two it is isometric
Angle 42, two angles 42 by bolt nut structure be arranged on locating bodies 41 on, with ensure adjust spacing when can
To rotate two angles 42, two angles 42 can be fixed by having adjusted；It is provided between two angles 42 vertical all the time
In the datum line of locating bodies 41, in use, according to the spacing of the CT reference plane A obtained complete two angles 42 of rea adjusting
Afterwards, datum line is tied up between two angles 42, and ensures datum line all the time perpendicular to locating bodies 41, in order to perform the operation
When the angle of inclination of guide pipe is determined by datum line and reference plane A parallel relation.
The specific implementation process of the present embodiment：In use, the pedicle of vertebral arch shape obtained by preoperative CT, chooses a benchmark
Face, calculating benchmark face and pedicle of vertebral arch determine the angle and air line distance of implantation position, because reference plane and pedicle of vertebral arch determine implantation position it
Preceding is not parallel relation, it is necessary to adjust the angle of guide pipe 3, therefore according to calculating gained adjustment location division 4 and the angle of positioning pipe 1
The distance between degree, positioning pipe 1 and guide pipe 3, the setting of protractor 6 can efficiently adjust the angle of location division 4 and positioning pipe 1
Degree, fixes each position after having adjusted；When being performed the operation, by the locating surface of location division 4 (bottom surface of isosceles triangle plate 43 or
Datum line between the angle 42 of person two) it is posted by or parallel to the reference plane, because of the parallel relation of positioning pipe 1 and guide pipe 3, obtains
To the angle of guide pipe 3, the foothold of guide pipe 3 be the implant angle of pedicle nail, implantation point；Confirm pedicle nail
After implant angle, implantation point, retainer ring 5 and fixing tooth 33 can effectively be directed to pipe 3 and be fixed, and be easy to the progress of operation.
The object, technical solutions and advantages of the present invention are further described by above-listed preferred embodiment, are answered
Understand, the foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, all essences in the present invention
God is with principle, and any modifications, equivalent substitutions and improvements made etc. should be included within the scope of the present invention.
Claims (9)
1. one kind is based on the percutaneous microchannel Cervical vertebra pedicle nail guiding locator of CT data three-dimensionals, it is characterised in that：Including
Guide pipe (3), the retainer ring (5) for being socketed in guide pipe (3) lower end and the snakelike arm (9) being connected with guide pipe (3) upper end, snake
The other end of shape arm (9) is fixed on operation table；The interior movable sleeve of the guide pipe (3) is connected to the second inner tube (37), the second inner tube
(37) interior movable sleeve is connected to the first inner tube (36), and the first inner tube (36) interior activity is equipped with puncture awl (35), the guiding positioning
Device also includes the movable passage-opening awl (38) being arranged in the first inner tube (36) and second being adapted with the first inner tube (36)
The adaptable movable screw tap (39) being arranged in the second inner tube (37) of inner tube (37), the internal diameter and vertebra of the guide pipe (3)
Nut nail (7) external diameter is adapted to guide implantation pedicle nail (7).
2. according to claim 1 be based on the percutaneous microchannel Cervical vertebra pedicle nail guiding locator of CT data three-dimensionals,
It is characterized in that：The guiding locator also includes the positioning pipe (1) axially in parallel with guide pipe (3), is arranged at positioning pipe
(1) bottom be used for the reference plane location fit of pedicle of vertebral arch to determine that pedicle nail hammers into the location division (4) of angle, it is described fixed
Radially extend to have radially extended on multiple connecting portions (11), the guide pipe (3) on position pipe (1) and multiple be connected respectively with each
Level offered and set on embedded hole, the fitting portion (31) on the fitting portion (31) of portion (11) corresponding matching, fitting portion (31)
Have the lock screw (2) for connecting portion (11) being fixedly mounted in embedded hole.
3. according to claim 2 be based on the percutaneous microchannel Cervical vertebra pedicle nail guiding locator of CT data three-dimensionals,
It is characterized in that：The location division (4) includes the locating bodies (41) being arranged on positioning pipe (1) and locating bodies (41) are solid
Surely the isosceles triangle plate (43) connected, the central axis of the locating bodies (41) is in the bottom of isosceles triangle plate (43)
Face.
4. according to claim 2 be based on the percutaneous microchannel Cervical vertebra pedicle nail guiding locator of CT data three-dimensionals,
It is characterized in that：The location division (4) include be arranged on positioning pipe (1) on locating bodies (41), be hinged on locating bodies
(41) base all the time perpendicular to locating bodies (41) is provided between two isometric angles (42) on, two angles (42)
Directrix.
5. being filled based on the percutaneous microchannel Cervical vertebra pedicle nail guiding positioning of CT data three-dimensionals according to claim 3 or 4
Put, it is characterised in that：The positioning pipe (1) is fixedly connected with locating bodies (41), between positioning pipe (1) and locating bodies (41)
The angle of formation is 90 °.
6. being filled based on the percutaneous microchannel Cervical vertebra pedicle nail guiding positioning of CT data three-dimensionals according to claim 3 or 4
Put, it is characterised in that：The positioning pipe (1) is hinged with locating bodies (41), and positioning pipe (1) is hinged with locating bodies (41)
Place is provided with for measuring the protractor (6) that angle is formed between positioning pipe (1) and locating bodies (41).
7. according to claim 1 be based on the percutaneous microchannel Cervical vertebra pedicle nail guiding locator of CT data three-dimensionals,
It is characterized in that：The lower, outer perimeter of the guide pipe (3) is provided with external thread section (34), and the external diameter of external thread section (34), which is more than, leads
To the external diameter of pipe (3), the upper inside wall of the retainer ring (5) is provided with interior with external thread section (34) cooperation of guide pipe (3)
Thread segment (52), the bottom of the retainer ring (5) extends radially inward limited location convex portion (53), internal thread segment (52) and limit convex
Internal diameter is formed between portion (53) more than internal thread segment (52) internal diameter, the recess of stopper protrusion (53) internal diameter, in order to guide pipe
(3) it can be relatively rotated between retainer ring (5).
8. according to claim 1 be based on the percutaneous microchannel Cervical vertebra pedicle nail guiding locator of CT data three-dimensionals,
It is characterized in that：The bottom of the bottom of the guide pipe (3), the bottom of the second inner tube (37) and the first inner tube (36) is downward
It is extended with multiple fixing tooths (33).
9. according to claim 1 be based on the percutaneous microchannel Cervical vertebra pedicle nail guiding locator of CT data three-dimensionals,
It is characterized in that：The top of the guide pipe (3) is laterally extended with lever (32), the retainer ring (5) lateral be extended with and held
Arm (51), the lever (32), the afterbody of hand-to-arm grip (51) are provided with Anti-slip cover.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232907.4A CN106937883B (en) | 2017-04-11 | 2017-04-11 | CT data-based three-dimensional percutaneous micro-channel lower cervical pedicle screw guiding and positioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232907.4A CN106937883B (en) | 2017-04-11 | 2017-04-11 | CT data-based three-dimensional percutaneous micro-channel lower cervical pedicle screw guiding and positioning device |
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| Publication Number | Publication Date |
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| CN106937883A true CN106937883A (en) | 2017-07-11 |
| CN106937883B CN106937883B (en) | 2023-07-25 |
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| CN201710232907.4A Active CN106937883B (en) | 2017-04-11 | 2017-04-11 | CT data-based three-dimensional percutaneous micro-channel lower cervical pedicle screw guiding and positioning device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109330677A (en) * | 2018-11-22 | 2019-02-15 | 自贡市第四人民医院(自贡市急救中心) | A kind of personalization atlas and axis pedicle screw navigation template device and preparation method thereof step by step |
| CN109875672A (en) * | 2019-03-26 | 2019-06-14 | 陈同林 | The minimally invasive combination of channels instrument of pelvis |
| WO2020155562A1 (en) * | 2019-01-31 | 2020-08-06 | 上海长海医院 | Positioning guiding device, and positioning guiding system for vertebral pedicle fixation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002300244A1 (en) * | 2001-08-13 | 2003-06-12 | Depuy Acromed, Inc. | Surgical guide system for stabilization of the spine |
| CN101536929A (en) * | 2009-04-13 | 2009-09-23 | 郑明辉 | Pedicle screw positioning device and positioning method thereof |
| CN201782814U (en) * | 2010-07-28 | 2011-04-06 | 徐兆万 | Aligner of cervical pedicle screw |
| CN105559869A (en) * | 2016-02-06 | 2016-05-11 | 贺新宁 | Commonly-used percutaneous pedicle screw stick internal fixing system |
| CN105852986A (en) * | 2016-04-11 | 2016-08-17 | 庄源东 | Laser-assisted positioning guide device for three-dimensional virtual reality fitting pedicle screw placement |
| CN207520192U (en) * | 2017-04-11 | 2018-06-22 | 福建医科大学附属协和医院 | Based on the percutaneous microchannel Cervical vertebra pedicle nail guiding locator of CT data three-dimensionals |
-
2017
- 2017-04-11 CN CN201710232907.4A patent/CN106937883B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002300244A1 (en) * | 2001-08-13 | 2003-06-12 | Depuy Acromed, Inc. | Surgical guide system for stabilization of the spine |
| CN101536929A (en) * | 2009-04-13 | 2009-09-23 | 郑明辉 | Pedicle screw positioning device and positioning method thereof |
| CN201782814U (en) * | 2010-07-28 | 2011-04-06 | 徐兆万 | Aligner of cervical pedicle screw |
| CN105559869A (en) * | 2016-02-06 | 2016-05-11 | 贺新宁 | Commonly-used percutaneous pedicle screw stick internal fixing system |
| CN105852986A (en) * | 2016-04-11 | 2016-08-17 | 庄源东 | Laser-assisted positioning guide device for three-dimensional virtual reality fitting pedicle screw placement |
| CN207520192U (en) * | 2017-04-11 | 2018-06-22 | 福建医科大学附属协和医院 | Based on the percutaneous microchannel Cervical vertebra pedicle nail guiding locator of CT data three-dimensionals |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109330677A (en) * | 2018-11-22 | 2019-02-15 | 自贡市第四人民医院(自贡市急救中心) | A kind of personalization atlas and axis pedicle screw navigation template device and preparation method thereof step by step |
| WO2020155562A1 (en) * | 2019-01-31 | 2020-08-06 | 上海长海医院 | Positioning guiding device, and positioning guiding system for vertebral pedicle fixation |
| CN109875672A (en) * | 2019-03-26 | 2019-06-14 | 陈同林 | The minimally invasive combination of channels instrument of pelvis |
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| Publication number | Publication date |
|---|---|
| CN106937883B (en) | 2023-07-25 |
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