CN109998656A - Vertebral pedicle nail fixer for cervical vertebrae, fixed system and fixing means - Google Patents
Vertebral pedicle nail fixer for cervical vertebrae, fixed system and fixing means Download PDFInfo
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- CN109998656A CN109998656A CN201910286177.5A CN201910286177A CN109998656A CN 109998656 A CN109998656 A CN 109998656A CN 201910286177 A CN201910286177 A CN 201910286177A CN 109998656 A CN109998656 A CN 109998656A
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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
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7002—Longitudinal elements, e.g. rods
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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
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7002—Longitudinal elements, e.g. rods
- A61B17/7019—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other
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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
- A61B17/7071—Implants for expanding or repairing the vertebral arch or wedged between laminae or pedicles; Tools therefor
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- Orthopedic Medicine & Surgery (AREA)
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Abstract
The present invention provides a kind of vertebral pedicle nail fixer for cervical vertebrae, fixed system and fixing means, are related to medical apparatus technical field, which includes interconnecting piece, fixed part and connecting rod；Interconnecting piece includes ontology, fixation kit and locking member；Ontology is provided with crank-guide way and holding tank, and fixation kit is arranged in holding tank, and holding tank is along axially through ontology；Locking member is connect with crank-guide way；Fixed part includes screw and connector, and the head end of connector and screw connects, and connector setting is provided with the guide pinhole axially through screw and connector in fixation kit, in screw, and guide pinhole and holding tank penetrate through；Connecting rod is fixed for being installed in the crank-guide way of interconnecting piece by locking member.The blank of Pedicle Screw under current posterior cervical transcutaneous modalities is filled up, nail difficulty is small, and the low feature of risk reduces surgery cost and the operation wound of patient with setting.
Description
Technical field
The present invention relates to medical apparatus technical fields, and in particular to a kind of vertebral pedicle nail fixer for cervical vertebrae, fixed system
And fixing means.
Background technique
The related diseases such as cervical vertebra degenerative disease are relatively conventional in clinic, and most relatively simple patient of the state of an illness can be used
Anterior cervical vertebrae or backbone endoscopic sinus surgery, but still have some patientss because unstable phenomenon has occurred in regression segment, before simple cervical vertebra
Road or endoscopic surgery cannot still fully meet the demand of all patients.The patient of usual this kind of situation, mostly uses greatly front and back road to join
It closes or the modus operandi of the simple way of escape is treated.But since posterior cervical related muscles and ligament structure are complicated, and after tradition
Road is performed the operation, and the soft tissues dissection scope such as muscle and fascia is wide, and a large amount of patients occur obstinate because postoperative muscle and ligament are removed extensively
The cervical vertebra ache symptom of property, seriously affects patient's postoperative life quality.
A large amount of scholars have fully realized the point at present, and by using being saved after muscle ligament start-stop point or damage as far as possible again
The modes such as reparation, improve traditional operation mode, but its effect is not still good enough.Therefore developing one kind can be by percutaneous
Minimally invasive mode, the surgical technic and related inner matter for being placed in pedicle for cervical vertebra arch nail-stick system become development trend.
Cervical vertebra percutaneous cervical arc root screw sets nail technology its feasibility theoretically and has obtained the public affairs of domestic and foreign scholars at present
Recognize, but its there are still set nail difficulty it is big, the technical matters such as risk height.Therefore a kind of vertebral pedicle nail fixer for cervical vertebrae ten is researched and developed
Divide key.
Summary of the invention
The purpose of the present invention is to provide a kind of vertebral pedicle nail fixer for cervical vertebrae, which can
To solve the above-mentioned deficiency of the prior art, with setting, nail difficulty is small, the low feature of risk.
Based on above-mentioned purpose, vertebral pedicle nail fixer for cervical vertebrae provided by the invention, comprising: interconnecting piece, fixed part and company
Extension bar；
Interconnecting piece, including ontology, fixation kit and locking member；The ontology is provided with crank-guide way, and the body bottom portion is set
It is equipped with holding tank, along axially through the ontology, the fixation kit is arranged in the holding tank holding tank, described
Locking member is connect with the crank-guide way, for fixing the connecting rod；
Fixed part, including screw and connector, the connector are connect with the head end of the screw, the connector setting
In the fixation kit, the guide pinhole axially through the screw and the connector is provided in the screw, it is described
Guide pinhole and the holding tank penetrate through；
Connecting rod is fixed for being installed in the crank-guide way of the interconnecting piece, and by the locking member.
Further, the ontology is set as U-shaped, and that there are two the sheet being oppositely arranged is long-armed for tool, it is described it is long-armed between
Form the crank-guide way.
Further, the long-armed upper screw thread being arranged to connect the locking member.
Further, the long-armed outside is provided with fracture.
Further, the locking member be cylindricality nut, be internally provided with along axially through guide pinhole.
Further, described locking member one end is provided with the groove of polygon, to cooperate nut locking device to use.
Further, the holding tank is set as ball-and-socket.
Further, the connector is set as the ballhead that diameter is less than ball-and-socket.
Further, the ballhead is set as plane far from the end face of the screw, and the plane is provided with polygon
Groove, with cooperate nut locking device use.
Further, the fixation kit includes pressurization snap ring and limited location snap ring；
The pressurization snap ring is arranged in the holding tank close to top position；The limited location snap ring is arranged in the receiving
Close to lower position in slot, the connector is limited between pressurization snap ring and the limited location snap ring.
Further, the inner wall that the pressurization snap ring is used to contact the connector is set as spherical, and in the ball
Equidistant multiple thin bands are provided on shape face.
Further, the limited location snap ring is set as U-shaped structure, is formed with fitting opening, and the limited location snap ring is used for
The inner wall for contacting the connector is set as spherical.
Further, the pressurization snap ring and limited location snap ring are made of Titanium.
Further, outer wall of the screw close to one end of the connector is provided with the first screw thread.
Further, the outer wall of the one end of the screw far from the connector is provided with the second screw thread, second spiral shell
The flight pitch of line is greater than the flight pitch of first screw thread.
Further, the position of second screw thread and the first screw thread carries out acid etching blasting treatment, to form local micropore
Structure.
Further, the tip of the screw is provided at least one sharp tooth lug structure.
Based on above-mentioned purpose, the present invention also provides a kind of Cervical Pedicle Screw fixed systems, including hollow Needle localization
Device sets nail guide pin, reamer and according to above-mentioned vertebral pedicle nail fixer for cervical vertebrae；
The hollow puncture locator is hollow cylindrical structure, and head end outer wall is set as inclined-plane and sharply planes structure；
The hollow puncture locator inner hollow, to set nail guide pin by described；
The reamer is T-shaped structure, and head end is screw tap structure, the reamer inner hollow, to by described
Set nail guide pin.
Based on above-mentioned purpose, the present invention also provides a kind of fixation sides according to above-mentioned Cervical Pedicle Screw fixed system
Method, including,
S01 installs hollow puncture locator to electric drill, sets staple rail mark for hollow puncture in navigation system auxiliary lower edge
Locator squeezes into centrum front pillar；
S02 will set nail guide pin along merging inside hollow puncture locator using electric drill；
S03 exits hollow puncture locator, and the position for setting nail guide pin is constant；
Reamer is gradually screwed into operative site along nail guide pin is set by S04；
S05 exits reamer, and the position for setting nail guide pin is constant；
Vertebral pedicle nail fixer for cervical vertebrae is set in and sets on nail guide pin by S06, until reaching skin；
S07, along nail guide pin is set, edge cuts stringer notch respectively up and down, and nail guide pin is set on vertebral pedicle nail fixer for cervical vertebrae edge
It is organized after neck, until reaching cortex bone face；
Vertebral pedicle nail fixer for cervical vertebrae is fixed on bony surface, and gradually squeezes into pedicle of vertebral arch and centrum by S08,
Removable screw locking device；
S09 is placed in multiple vertebral pedicle nail fixer for cervical vertebrae by step S01 to S08 respectively；
S10 chooses the longitudinally connected bar of setting length, it is from top to bottom penetrated through along subcutaneous fascia gap, and is fixed on
In crank-guide way, by locking member locking compress.
By adopting the above technical scheme, the technical effect of vertebral pedicle nail fixer for cervical vertebrae provided by the invention has:
The present invention provides vertebral pedicle nail fixer for cervical vertebrae, has filled up pedicle screw under current posterior cervical transcutaneous modalities
Set the blank of nail.With setting, nail difficulty is small, the low feature of risk, and fracture or dislocation operation is greatly reduced to muscle after neck and tough
The damage of band, reduces that immobilized patients in posterior cervical are postoperative the probability of intractable pain occurs, while reducing surgery cost
And the operation wound of patient.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the vertebral pedicle nail fixer for cervical vertebrae that the embodiment of the present invention one provides；
Fig. 2 is the side sectional view of vertebral pedicle nail fixer for cervical vertebrae shown in Fig. 1；
Fig. 3 is the structural schematic diagram of interconnecting piece provided in an embodiment of the present invention；
Fig. 4 is the side sectional view of interconnecting piece shown in Fig. 3；
Fig. 5 is the top view of Fig. 3；
Fig. 6 is the bottom view of Fig. 3；
Fig. 7 is the structural schematic diagram of pressurization snap ring provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of limited location snap ring provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of fixed part provided in an embodiment of the present invention；
Figure 10 is the cross-sectional view of fixed part shown in Fig. 9；
Figure 11 is the attachment structure schematic diagram of interconnecting piece and fixed part；
Figure 12 is the structural schematic diagram of locking member.
Appended drawing reference: 100- interconnecting piece；110- ontology；111- crank-guide way；112- holding tank；113- is long-armed；114- fractures
Mouthful；120- fixation kit；121- pressurization snap ring；122- limited location snap ring；130- locking member；200- fixed part；210- screw；131,
211- guide pinhole；The first screw thread of 212-；The second screw thread of 213-；The sharp tooth lug structure of 214-；220- connector；300- connecting rod.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
As depicted in figs. 1 and 2, vertebral pedicle nail fixer for cervical vertebrae provided by the invention sets nail guide pin for being installed on,
It include: interconnecting piece 100, fixed part 200 and connecting rod 300；Interconnecting piece 100 is connected with fixed part 200, and fixed part 200 is used for
It is fixed on disease sites, connecting rod 300, while can also to connect multiple interconnecting pieces 100, it can be achieved that posterior cervical percutaneously sets nail
It realizes the minimally invasive lower above-mentioned fixed device of taking-up, reduces patient's operation wound again, mitigate patient suffering and financial burden.
It is specific:
As shown in Figures 3 to 6, interconnecting piece 100 includes ontology 110, fixation kit 120 and locking member 130；Ontology 110 is set
It is equipped with crank-guide way 111；
110 bottom of ontology is provided with holding tank 112, and fixation kit 120 is arranged in holding tank 112, and fixation kit 120 rises
To the effect of connecting portion 200, also, holding tank 112 is along axially through ontology 110, thus convenient across setting nail guide pin；Lock
Tight part 130 is connect with crank-guide way 111, the connecting rod 300 for being fixedly placed in crank-guide way 111；
Fixed part 200 includes screw 210 and connector 220；Connector 220 is connect with the head end of screw 210, connector
220 are arranged in fixation kit 120, and the guide pinhole axially through screw 210 and connector 220 is provided in screw 210
211, guide pinhole 211 and holding tank 112 penetrate through, and guide pinhole 211 and holding tank 112 are used to across setting nail guide pin；
Connecting rod 300 is fixed for being installed in the crank-guide way 111 of interconnecting piece 100, and by locking member 130.
Using above-mentioned vertebral pedicle nail fixer for cervical vertebrae, pedicle screw under current posterior cervical transcutaneous modalities has been filled up
Set the blank of nail.With setting, nail difficulty is small, the low feature of risk, and fracture or dislocation operation is greatly reduced to muscle after neck and tough
The damage of band, reduces that immobilized patients in posterior cervical are postoperative the probability of intractable pain occurs, while reducing surgery cost
And the operation wound of patient.
In an embodiment of the invention, above-mentioned ontology 110 is set as U-shaped, and there are two be oppositely arranged the tool of ontology 110
Sheet long-armed 113, long-armed 113 between formed crank-guide way 111, to accommodate connecting rod 300.In addition, ontology 110 preferably uses
Titanium alloy material.
In an embodiment of the invention, the spiral shell to connect locking member 130 is respectively set on two long-armed 113
Line, it is preferable that as shown in figure 12, locking member 130 be cylindricality nut, be internally provided with along axially through guide pinhole 131, lock
Tight part 130 is threadedly attached between two long-armed 113, have the characteristics that it is easy to adjust, for consolidating to connecting rod 300
It is fixed.
In an embodiment of the invention, it is respectively arranged with fracture 114 in two long-armed 113 outside settings, easily
It fractures in Yu Shu to two long-armed 113.
In addition, being provided with the groove of polygon in 130 one end of locking member (being illustrated as upper end), the effect of groove is cooperation spiral shell
Cap locking device uses, so that convenient be adjusted 130 position of locking member.
In an embodiment of the invention, holding tank 112 is set as ball-and-socket, and the more spherical nest of upper and lower both ends open is straight
Diameter is big, fixation kit 120 convenient for assembly.
In an embodiment of the invention, connector 220 is set as the ballhead that diameter is less than ball-and-socket, ballhead and ball
Nest is used cooperatively, and facilitates angle of the adjustment interconnecting piece 100 relative to fixed part 200, at the time of surgery, to adapt to different fixed angles
Degree.
In an embodiment of the invention, ballhead is set as plane far from the end face of screw 210, meanwhile, in plane
It is provided with the groove of polygon, it is convenient that connector 220 is adjusted to cooperate nut locking device to use.
As shown in Fig. 4 to Fig. 8, in an embodiment of the invention, fixation kit 120 includes pressurization snap ring 121 and limit
Position snap ring 122；
The snap ring 121 that pressurizes is arranged in holding tank 112 close to top position；Limited location snap ring 122 is arranged in holding tank 112
Close to lower position, connector 220 is limited between pressurization snap ring 121 and limited location snap ring 122.
Specifically, the inner wall that pressurization snap ring 121 is used to connect first 220 is set as spherical, and set on spherical
Equidistant multiple thin bands are equipped with, to increase the stability in 210 pressure process of screw.
Limited location snap ring 122 is set as U-shaped structure, is formed with fitting opening, limited location snap ring 122 is for connecting head
220 inner wall is set as spherical.
As shown in figure 11, in the embodiment, 220 upper-end part of driving of connector is limited using pressurization snap ring 121, is prevented
Only connector 220 and screw 210 are deviate to the top of holding tank 112, using limited location snap ring 122 to 220 lower end of connector
It is limited, for preventing connector 220 and screw 210 to deviating from below holding tank 112；Simultaneously as pressurization 121 He of snap ring
Contact surface of the limited location snap ring 122 respectively with connector 220 (ballhead) is set as spherical, the shape adaptation with connector 220,
In application, ballhead angle can be made to be adjusted.
Preferably, pressurization snap ring 121 and limited location snap ring 122 are all made of Titanium and are made.The pressurization snap ring 121 of pure titanium matter
It is lower with 122 hardness of limited location snap ring, the stability of screw 210 and connector 220 can be increased after being deformed.
In an embodiment of the invention, outer wall of the screw 210 close to one end of connector 220 is provided with the first screw thread
212, the flight pitch of the first screw thread 212 is smaller, convenient for increasing the stability connecting with cortex bone.
In an embodiment of the invention, as shown in Figure 9 and Figure 10, outside the one end of screw 210 far from connector 220
Wall is provided with the second screw thread 213, and the flight pitch of the second screw thread 213 is greater than the flight pitch of the first screw thread 212, convenient for increase with
The stability of cancellous bone connection.
In addition, the position of the second screw thread 213 and the first screw thread 212 carries out acid etching blasting treatment, to form local micropore knot
Structure increases the holding power of screw 210 conducive to the integration of metal bone interface.
In an embodiment of the invention, the tip of screw 210 is provided at least one sharp tooth lug structure 214.
Purpose is to increase entry point peripheral cortex bone biting power, and entry point position in position fixing process is avoided to generate sliding.
In addition, the diameter of screw 210 has (3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm) etc. more
Kind specification, to satisfy the use demand.
It should be noted that each component part exists in vertebral pedicle nail fixer for cervical vertebrae provided in an embodiment of the present invention
In application, each section for being exposed to surgical tissue is all made of globoidal structure and boundary-passivated processing, reduce to soft tissue after neck
Harassing and wrecking, avoid sharpened edge from causing to cut to periphery muscle, avoid the generation of the postoperative discomfort of patient and complication.
Vertebral pedicle nail fixer for cervical vertebrae provided in an embodiment of the present invention at least has following excellent compared with the prior art
Point:
(1) the fixation device reduces the damage that fracture or dislocation is performed the operation to muscle after neck and ligament, after reducing cervical vertebra
Immobilized patients are postoperative in road there is the probability of intractable pain, while reducing surgery cost and the operation wound of patient；
(2) using the design of 210 structure of screw of the first screw thread 212 and the second screw thread 213, while 210 surface of screw uses
Acid etching blasting treatment constructs local microcellular structure, is conducive to metal bone interface and integrates, 210 holding power of screw is significantly increased；
(3) 210 tip of screw is designed using sharp tooth lug structure 214, screw 210 can be fixed on cortical bone surface, is increased
Pin mark peripheral cortex bone biting power is added, entry point position in position fixing process is avoided to slide, is had simultaneously for the hard sclerotin in part
Have and centainly attacks brill effect；
(4) using suitable 210 tail end U-shaped arm length of screw, it is made to fully comply with neck postposition nail environment, while by matching
The use of set surgical instrument, it can be achieved that posterior cervical percutaneous cervical arc root screw sets nail, while can also it is minimally invasive under take nail, greatly reduce
Patients surgery wound mitigates patient suffering and financial burden.
Embodiment two
In addition, the system includes hollow puncture the embodiment of the invention also provides a kind of Cervical Pedicle Screw fixed system
Locator sets the vertebral pedicle nail fixer for cervical vertebrae followed closely in guide pin, reamer and above-described embodiment one；
Hollow puncture locator is hollow cylindrical structure, and length is preferably 250mm or so, is clamped convenient for electric drill, hollow
Outer wall at the head end 0-5cm of puncture locator is set as sharp planing structure；Hollow puncture locator inner hollow, setting
Having diameter is the cylindrical channel of 0.9mm or so, to by setting nail guide pin.Setting nail guide pin is long 300mm, diameter 0.8mm
Pole, matched with the cylindrical channel of puncture locator main body.
Reamer is T-shaped structure, and head end is screw tap structure, and diameter is set as 2.0mm or so, and the end of reamer is
Wooden handle, reamer inner hollow, to by setting nail guide pin.
Preferably, hollow puncture locator, set nail guide pin, reamer and be all made of stainless steel material and be made.
Since explanation has been made in the structure of vertebral pedicle nail fixer for cervical vertebrae in above-described embodiment one, please specifically join
Embodiment one is examined, is repeated no more in the present embodiment.
Embodiment three
It additionally provides and a kind of is consolidated in the embodiment of the present invention according to Cervical Pedicle Screw fixed system in above-mentioned implementation two
Determine method, which includes,
S01 determines patients with cervical operated level according to the coherent videos data such as the preoperative x-ray of patient, CT, MRI；
S02, conventional to suck general anesthesia, routine disinfection paving is single；
S03 carries out scan rebuilding again to patients surgery part using CT in art or three Victoria C arms；
S04 selects properly to set staple rail mark using navigation system in art；
Staple rail mark skin and musculature are set in S05, incision；
S06 installs hollow puncture locator to electric drill, sets staple rail mark for hollow puncture in navigation system auxiliary lower edge
Locator squeezes into centrum front pillar；It is corrected in real time in operation according to navigation system auxiliary；
S07, ct fluoroscopy determines whether hollow puncture locator position is good in art again, after confirmation is good, utilizes electric drill
Nail guide pin will be set along merging inside hollow puncture locator；
S08 exits hollow puncture locator, and the position for setting nail guide pin is constant；
Reamer is gradually screwed into operative site along nail guide pin is set by S09；
S10 exits reamer, and the position for setting nail guide pin is constant；
Vertebral pedicle nail fixer for cervical vertebrae is set in and sets on nail guide pin by S11, until reaching skin；
S12, along nail guide pin is set, edge cuts stringer notch respectively up and down, and nail guide pin is set on vertebral pedicle nail fixer for cervical vertebrae edge
It is organized after neck, until reaching cortex bone face；
S13, it is light to hammer 210 locking device of screw into shape, vertebral pedicle nail fixer for cervical vertebrae is fixed on bony surface, and by
Step squeezes into pedicle of vertebral arch and centrum, 210 locking device of removable screw；
S14 is placed in multiple vertebral pedicle nail fixer for cervical vertebrae by step S01 to S13 respectively；
S15 chooses the longitudinally connected bar 300 of setting length, it is from top to bottom penetrated through along subcutaneous fascia gap, and fixed
In crank-guide way 111, by 130 locking compress of locking member.
S16, the fracture 114 along long-armed 113 fracture each long-armed 113 redundance, and tail end are trimmed smooth；
S17, conventional layer-by-layer suture muscle, subcutaneous fascia and skin, aseptic dressing covering.
Using above-mentioned fixing means, it can will set nail difficulty and be effectively reduced, meanwhile, the risk of operation is significantly reduced,
Mitigate patient suffering and financial burden.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (19)
1. a kind of vertebral pedicle nail fixer for cervical vertebrae characterized by comprising interconnecting piece, fixed part and connecting rod；
Interconnecting piece, including ontology, fixation kit and locking member；The ontology is provided with crank-guide way, and the body bottom portion is provided with
Holding tank, the holding tank is along axially through the ontology, and the fixation kit is arranged in the holding tank, the locking
Part is connect with the crank-guide way, for fixing the connecting rod；
Fixed part, including screw and connector, the connector are connect with the head end of the screw, and the connector is arranged in institute
It states in fixation kit, the guide pinhole axially through the screw and the connector, the guide pin is provided in the screw
Hole and the holding tank penetrate through；
Connecting rod is fixed for being installed in the crank-guide way of the interconnecting piece, and by the locking member.
2. vertebral pedicle nail fixer for cervical vertebrae according to claim 1, which is characterized in that the ontology is set as U-shaped, tool
There are two the long-armed of the sheet that is oppositely arranged, it is described it is long-armed between form the crank-guide way.
3. vertebral pedicle nail fixer for cervical vertebrae according to claim 2, which is characterized in that the long-armed upper setting is to even
Connect the screw thread of the locking member.
4. vertebral pedicle nail fixer for cervical vertebrae according to claim 2 or 3, which is characterized in that the long-armed outside is set
It is equipped with fracture.
5. vertebral pedicle nail fixer for cervical vertebrae according to claim 1, which is characterized in that the locking member is cylindricality spiral shell
Cap, be internally provided with along axially through guide pinhole.
6. vertebral pedicle nail fixer for cervical vertebrae according to claim 5, which is characterized in that described locking member one end is provided with
The groove of polygon, to cooperate nut locking device to use.
7. vertebral pedicle nail fixer for cervical vertebrae according to claim 1, which is characterized in that the holding tank is set as ball
Nest.
8. vertebral pedicle nail fixer for cervical vertebrae according to claim 7, which is characterized in that the connector is set as diameter
Less than the ballhead of ball-and-socket.
9. vertebral pedicle nail fixer for cervical vertebrae according to claim 8, which is characterized in that the ballhead is far from the spiral shell
The end face of nail is set as plane, and the plane is provided with the groove of polygon, to cooperate nut locking device to use.
10. vertebral pedicle nail fixer for cervical vertebrae according to claim 8, which is characterized in that the fixation kit includes adding
Press snap ring and limited location snap ring；
The pressurization snap ring is arranged in the holding tank close to top position；The limited location snap ring is arranged in the holding tank
Close to lower position, the connector is limited between pressurization snap ring and the limited location snap ring.
11. vertebral pedicle nail fixer for cervical vertebrae according to claim 10, which is characterized in that the pressurization snap ring is for connecing
The inner wall for touching the connector is set as spherical, and equidistant multiple thin bands are provided on the spherical.
12. vertebral pedicle nail fixer for cervical vertebrae according to claim 10, which is characterized in that the limited location snap ring is set as
U-shaped structure, is formed with fitting opening, and the inner wall that the limited location snap ring is used to contact the connector is set as spherical.
13. vertebral pedicle nail fixer for cervical vertebrae according to claim 10, which is characterized in that the pressurization snap ring and limit
Snap ring is made of Titanium.
14. vertebral pedicle nail fixer for cervical vertebrae according to claim 1, which is characterized in that the screw is close to the company
The outer wall of one end of connector is provided with the first screw thread.
15. vertebral pedicle nail fixer for cervical vertebrae according to claim 14, which is characterized in that the screw is far from the company
The outer wall of one end of connector is provided with the second screw thread, and the flight pitch of second screw thread is greater than between the screw thread of first screw thread
Away from.
16. vertebral pedicle nail fixer for cervical vertebrae according to claim 15, which is characterized in that second screw thread and first
The position of screw thread carries out acid etching blasting treatment, to form local microcellular structure.
17. -16 described in any item vertebral pedicle nail fixer for cervical vertebrae according to claim 1, which is characterized in that the screw
Tip is provided at least one sharp tooth lug structure.
18. a kind of Cervical Pedicle Screw fixed system, which is characterized in that including hollow puncture locator, set nail guide pin, reamer
And vertebral pedicle nail fixer for cervical vertebrae described in -17 any one according to claim 1；
The hollow puncture locator is hollow cylindrical structure, and head end outer wall is set as inclined-plane and sharply planes structure；It is described
Hollow puncture locator inner hollow, to set nail guide pin by described；
The reamer is T-shaped structure, and head end is screw tap structure, the inner hollow of the reamer, to be set by described
Follow closely guide pin.
19. a kind of fixing means of Cervical Pedicle Screw fixed system according to claim 18, it is characterised in that；Packet
It includes,
S01 installs hollow puncture locator to electric drill, sets staple rail mark for hollow Needle localization in navigation system auxiliary lower edge
Device squeezes into centrum front pillar；
S02 will set nail guide pin along merging inside hollow puncture locator using electric drill；
S03 exits hollow puncture locator, and the position for setting nail guide pin is constant；
Reamer is gradually screwed into operative site along nail guide pin is set by S04；
S05 exits reamer, and the position for setting nail guide pin is constant；
Vertebral pedicle nail fixer for cervical vertebrae is set in and sets on nail guide pin by S06, until reaching skin；
S07, along nail guide pin is set, edge cuts stringer notch respectively up and down, and vertebral pedicle nail fixer for cervical vertebrae is passed through along nail guide pin is set
It is organized after neck, until reaching cortex bone face；
Vertebral pedicle nail fixer for cervical vertebrae is fixed on bony surface, and gradually squeezes into pedicle of vertebral arch and centrum by S08, is removed
Screw locking device；
S09 is successively placed in multiple vertebral pedicle nail fixer for cervical vertebrae by step S01 to S08 respectively；
S10 chooses the longitudinally connected bar of setting length, it is from top to bottom penetrated through along subcutaneous fascia gap, and be fixed on connecting rod
In slot, by locking member locking compress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286177.5A CN109998656A (en) | 2019-04-10 | 2019-04-10 | Vertebral pedicle nail fixer for cervical vertebrae, fixed system and fixing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286177.5A CN109998656A (en) | 2019-04-10 | 2019-04-10 | Vertebral pedicle nail fixer for cervical vertebrae, fixed system and fixing means |
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| Publication Number | Publication Date |
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| CN109998656A true CN109998656A (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910286177.5A Pending CN109998656A (en) | 2019-04-10 | 2019-04-10 | Vertebral pedicle nail fixer for cervical vertebrae, fixed system and fixing means |
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