CN106420027B - Fixator for treating lumbar disc herniation - Google Patents
Fixator for treating lumbar disc herniation Download PDFInfo
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- CN106420027B CN106420027B CN201611021359.2A CN201611021359A CN106420027B CN 106420027 B CN106420027 B CN 106420027B CN 201611021359 A CN201611021359 A CN 201611021359A CN 106420027 B CN106420027 B CN 106420027B
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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
- A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
- A61B17/7064—Devices acting on, attached to, or simulating the effect of, vertebral facets; Tools 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
- 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
- A61B17/7059—Cortical plates
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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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
- A61B17/861—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver
- A61B17/862—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver at the periphery of the screw head
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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
- A61B17/88—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
A fixer for treating lumbar disc herniation comprises an upper pedicle screw, a lower pedicle screw, a lateral zygopophysis screw, a triangular fixing frame, a screw guide cylinder and a guide plate, wherein the triangular fixing frame comprises an upper fixing cap, a lower fixing cap, a left oblique fixing cap, an upper transverse connecting column, a lower vertical connecting column and a left oblique connecting column, the left end of the upper transverse connecting column is fixedly connected with the left oblique fixing cap, the right end of the upper transverse connecting column is fixedly connected with the upper fixing cap, the upper end of the lower vertical connecting column is fixedly connected with the upper fixing cap, the lower end of the lower vertical connecting column is fixedly connected with the lower fixing cap, the lower end of the left oblique connecting column is fixedly connected with the lower fixing cap, the upper end of the left oblique connecting column is fixedly connected with the left oblique fixing cap, the upper pedicle screw, the lower pedicle screw and the lateral zygopophysis screw form, the minimally invasive surgery is realized, and the surgery efficiency is greatly improved.
Description
Technical Field
The invention relates to a fixer for treating lumbar disc herniation.
Background
With the change of life style of modern society, office groups sit for a long time to work, and diseases such as lumbar intervertebral disc protrusion, discogenic lumbago, lumbar instability and the like are more and more. If conservative treatment is ineffective, surgical treatment is required. Lumbar fusion widely uses diseases such as treatment lumbar disc herniation, discogenic lumbago and lumbar vertebrae instability, the fixer that intensity is high needs to be fixed in the treatment process, current fixer comprises two simple screws and a very thin traditional metal rod, this kind of traditional classic fixed mode is not very firm to need all peel off to human both sides muscle, then fix through two sets of fixers respectively, the misery that makes the patient bear is great, can't realize the minimal access surgery, the screw easily wanders away when the screw in is fixed, the rate of accuracy is not high, put by mistake easily, lead to injuries such as spinal cord, nerve root.
Disclosure of Invention
In view of the above technical problems, the present invention provides: the fixer for treating lumbar disc herniation has the advantages of firm fixation, realization of fixation by peeling off muscles on one side, less pain of a patient, high accuracy of screw placement, difficulty in error placement and realization of minimally invasive surgery.
In order to solve the technical problems, the invention adopts the following technical scheme: a fixer for treating lumbar disc herniation comprises an upper pedicle screw, a lower pedicle screw, a lateral articular process screw, a triangular fixing frame, a screw guide cylinder and a guide plate, wherein the triangular fixing frame comprises an upper fixing cap, a lower fixing cap, a left oblique fixing cap, an upper transverse connecting column, a lower vertical connecting column and a left oblique connecting column, the upper fixing cap, the lower fixing cap and the left fixing cap are distributed in a triangular manner, the left end of the upper transverse connecting column is fixedly connected with the left oblique fixing cap, the right end of the upper transverse connecting column is fixedly connected with the upper fixing cap, the upper end of the lower vertical connecting column is fixedly connected with the upper fixing cap, the lower end of the lower vertical connecting column is fixedly connected with the lower fixing cap, the lower end of the left oblique connecting column is fixedly connected with the lower fixing cap, and the upper end of the left oblique connecting column is fixedly connected with the left oblique fixing, an upper fixing cap external thread is arranged on the outer ring of the upper fixing cap, an upper fixing cap internal thread is arranged on the inner hole of the upper fixing cap, a lower fixing cap external thread is arranged on the outer ring of the lower fixing cap, a lower fixing cap internal thread is arranged on the inner hole of the lower fixing cap, a left oblique fixing cap external thread is arranged on the outer ring of the left oblique fixing cap, a left oblique fixing cap internal thread is arranged on the inner hole of the left oblique fixing cap, the upper vertebral pedicle screw comprises an upper vertebral pedicle screw spongy bone self-tapping section and an upper vertebral pedicle screw fixing section, an upper vertebral pedicle screw countersunk head internal hexagonal hole is arranged at the top of the upper vertebral pedicle screw fixing section, an upper vertebral pedicle screw self-tapping external thread is arranged on the upper vertebral pedicle screw self-tapping section, an upper vertebral pedicle screw fixing external thread is arranged on the upper vertebral pedicle screw fixing section, and, the lower pedicle screw comprises a lower pedicle screw spongy bone self-tapping section and a lower pedicle screw fixing section, a lower pedicle screw countersunk head inner hexagonal hole is arranged at the top of the lower pedicle screw fixing section, a lower pedicle screw self-tapping external thread is arranged on the lower pedicle screw spongy bone self-tapping section, a lower pedicle screw fixing external thread is arranged on the lower pedicle screw fixing section, the lower pedicle screw fixing external thread is matched with the lower fixing cap internal thread, the side articular process screw comprises a side articular process screw self-tapping section and a side articular process screw fixing section, a side articular process screw countersunk head inner hexagonal hole is arranged at the top of the side articular process screw fixing section, a side articular process screw self-tapping external thread is arranged on the side articular process screw spongy bone self-tapping section, and a side articular process screw fixing external thread is arranged on the side articular process screw fixing section, the side articular process screw fixing external thread is matched with the left side oblique fixing cap internal thread, the length of the upper vertebral pedicle screw spongy bone self-tapping section is longer than that of the upper vertebral pedicle screw fixing section, the diameter of the upper vertebral pedicle screw spongy bone self-tapping section is smaller than that of the inner hole of the upper fixing cap, the length of the lower vertebral pedicle screw spongy bone self-tapping section is longer than that of the lower vertebral pedicle screw fixing section, the diameter of the lower vertebral pedicle screw spongy bone self-tapping section is smaller than that of the inner hole of the lower fixing cap, the length of the side articular process screw spongy bone self-tapping section is longer than that of the side articular process screw fixing section, and the diameter of the side articular process screw self-, the diameter of the spongy bone self-tapping section of the side articular process screw is smaller than that of the inner hole of the left oblique fixing cap, the screw guide cylinder comprises a positioning section screw guide cylinder and an installation section screw guide cylinder, the length of the installation section screw guide cylinder is larger than that of the positioning section screw guide cylinder, the diameter of the installation section screw guide cylinder is larger than that of the positioning section screw guide cylinder, an installation section screw guide cylinder internal thread is arranged on the inner hole of the installation section screw guide cylinder, a positioning section screw guide cylinder internal thread is arranged on the inner hole of the positioning section screw guide cylinder, an upper vertebral pedicle screw fixing external thread is matched with an upper fixing cap internal thread, a lower vertebral pedicle screw fixing external thread is matched with a lower fixing cap internal thread, a side articular process screw fixing external thread is matched with a left oblique fixing cap internal thread, an upper vertebral pedicle screw fixing external thread is matched with a, The lower pedicle screw fixing external thread and the side joint protruding screw fixing external thread are matched with the positioning section screw guide cylinder internal thread, the upper fixing cap external thread, the lower fixing cap external thread and the left side oblique fixing cap external thread are matched with the mounting section screw guide cylinder internal thread, the guide plate is provided with a guide plate upper through hole, a guide plate lower through hole and a guide plate left side oblique through hole, the upper pedicle screw spongy bone self-tapping section can pass through the guide plate upper through hole, the lower pedicle screw spongy bone self-tapping section can pass through the guide plate lower through hole, the side joint protruding screw spongy bone self-tapping section can pass through the guide plate left side oblique through hole, the guide plate comprises an upper guide plate, a left lower guide plate and a right lower guide plate, the upper guide plate, the left lower guide plate and the right lower guide plate are detachably connected, and the guide plate upper through hole is positioned at the connecting part among the upper guide, the lower through hole of the guide plate is positioned at the joint between the left lower guide plate and the right lower guide plate, the oblique through hole at the left side of the guide plate is positioned at the joint between the upper guide plate and the left lower guide plate, the bottom of the upper fixing cap is provided with an upper fixing cap convex ring, the bottom of the lower fixing cap is provided with a lower fixing cap convex ring, the upper through hole of the guide plate is provided with a guide plate upper through hole concave ring, the lower through hole of the guide plate is provided with a guide plate lower through hole concave ring, the upper fixing cap convex ring is matched with the guide plate upper through hole concave ring, the lower fixing cap convex ring is matched with the guide plate lower through hole concave ring, the left lower guide plate is provided with a first left lower guide plate hook and a second left lower guide plate hook, the right lower guide plate is provided with a right lower guide plate, a right lower guide plate clamping hole and a right lower guide plate dismounting hole, the upper guide plate is provided with a first upper guide plate clamping hole, a second upper guide plate, first left lower baffle pothook cooperatees with first upper baffle card hole, the left lower baffle pothook of second cooperatees with right lower baffle card hole, right lower baffle pothook cooperatees with second upper baffle card hole, right lower baffle card hole link up with right lower baffle disassembly hole mutually, first upper baffle card hole link up with first upper baffle disassembly hole mutually, second upper baffle card hole link up with second upper baffle disassembly hole mutually.
The fixator for treating lumbar disc herniation provided by the invention has the beneficial effects that: when in use, the guide plate is placed on a patient, the fitting degree of the guide plate is higher, the positioning is more accurate, the triangular fixing frame is arranged on the guide plate, the convex ring of the upper fixing cap on the triangular fixing frame is inserted into the concave ring of the upper through hole of the guide plate, the convex ring of the lower fixing cap on the triangular fixing frame is inserted into the concave ring of the lower through hole of the guide plate, the positioning of the triangular fixing frame can not be displaced,
when the upper pedicle screw is fixed on the lumbar, a screw guide cylinder is firstly installed on an upper fixing cap, the screw guide cylinder realizes the fixation of the screw guide cylinder by matching the internal thread of the installation section screw guide cylinder with the external thread of the upper fixing cap, then the upper pedicle screw is installed on the screw guide cylinder, the external thread of the upper pedicle screw is matched with the internal thread of the positioning section screw guide cylinder, so as to form that the upper pedicle screw moves downwards along the screw guide cylinder, so that the upper pedicle screw cannot deviate when being screwed in and fixed, the accuracy is greatly improved, the error arrangement is avoided, the injury of spinal cord, nerve root and the like is avoided, after the upper pedicle screw is screwed to the bottom, the external thread of the upper pedicle screw is separated from the internal thread of the positioning section screw guide cylinder and matched with the internal thread of the upper fixing cap, the pedicle screw is fixedly installed on a triangular fixing frame, and finally the, similarly, the lower pedicle screw and the lateral articular process screw are fixed by adopting the mode, so that deviation is avoided during screwing in and fixing, the accuracy is greatly improved, misplacement is avoided, the arrangement of the upper pedicle screw countersunk head hexagon socket hole, the lower pedicle screw countersunk head socket hole and the lateral articular process screw countersunk head socket hole is more convenient to install,
when the upper pedicle screw, the lower pedicle screw and the lateral knuckle protruding screw are all arranged on the triangular fixing frame, the guide plate is disassembled, when in disassembly, the thin needle is inserted into the first upper guide plate disassembling hole to jack the first left lower guide plate hook, so that the first left lower guide plate hook and the first upper guide plate clamping hole are unlocked, the thin needle is inserted into the second upper guide plate disassembling hole to jack the right lower guide plate hook, so that the right lower guide plate hook and the second upper guide plate clamping hole are unlocked, the thin needle is inserted into the right lower guide plate disassembling hole to jack the second left lower guide plate hook, so that the second left lower guide plate hook and the right lower guide plate clamping hole are unlocked, the guide plate is divided into the upper guide plate, the left lower guide plate and the right lower guide plate to be disassembled, the positioning can be realized, and the influence on the body health caused by the guide plate remaining in the body of a patient can be avoided,
it should also be noted that the upper and lower fixation and the lateral fixation can be realized only by peeling one side muscle of the human body, the upper and lower fixation can be realized by the upper pedicle screw and the lower pedicle screw, the lateral fixation can be realized by one lateral side-entering articular process screw, and the upper pedicle screw, the lower pedicle screw and the lateral articular process screw are connected and fixed by the triangular fixing frame to form a triangular stable fixation relation, so that the purpose of firm fixation is achieved, the minimally invasive surgery is realized, the pain born by the patient is greatly reduced, and the surgery efficiency is greatly improved.
Further including last reinforcement nut, consolidate nut and side reinforcement nut down, go up reinforcement nut with, go up reinforcement nut, all be equipped with the hexagon socket in the countersunk head on reinforcement nut and the side reinforcement nut down, it cooperatees with last locking nut to go up reinforcement nut, it cooperatees with lower locking nut to consolidate the nut down, the side is consolidated the nut and is cooperateed with left side slant locking nut for install respectively on last locking nut, locking nut and left side slant locking nut down and consolidate the nut back strength higher with the side.
Furthermore, the upper arc-shaped folded patch and the lower arc-shaped folded patch are arranged on the guide plate, so that the fitting degree of the guide plate is higher, and the positioning effect is better.
Further go up horizontal spliced pole including square horizontal spliced pole and the horizontal spliced pole on the semicircle, the top fixed connection of the bottom of the horizontal spliced pole on the semicircle and square horizontal spliced pole on, vertical spliced pole includes vertical spliced pole under square vertical spliced pole and the semicircle, the bottom of vertical spliced pole and the top fixed connection of the vertical spliced pole under the semicircle, the slant spliced pole in left side includes square left side slant spliced pole and the vertical spliced pole under the semicircle, the bottom of the slant spliced pole in semicircle left side and the top fixed connection of square left side slant spliced pole, this kind of structure makes the bulk strength of triangle-shaped mount higher.
The invention is further described with reference to the following figures and detailed description.
Drawings
FIG. 1 is one of the schematic structural diagrams of the superior pedicle screw, inferior pedicle screw, lateral zygapophysis screw, triangular fixation bracket and guide plate of the fixator for treating lumbar disc herniation provided by the invention;
FIG. 2 is a second schematic structural view of the superior pedicle screw, the inferior pedicle screw, the lateral zygapophysis screw, the triangular fixing frame and the guide plate of the fixator for treating lumbar disc herniation provided by the invention;
FIG. 3 is one of the schematic structural diagrams of the superior pedicle screw, inferior pedicle screw, lateral zygapophysis screw, triangular fixation frame, screw guiding cylinder and guide plate of the fixator for treating lumbar disc herniation provided by the invention;
FIG. 4 is a second schematic structural view of the superior pedicle screw, the inferior pedicle screw, the lateral zygopophysis screw, the triangular fixing frame, the screw guiding cylinder and the guide plate of the fixator for treating lumbar disc herniation according to the present invention;
FIG. 5 is a schematic structural diagram of an upper pedicle screw, a lower pedicle screw, a lateral zygapophysis screw, a triangular fixing frame, an upper reinforcing nut, a lower reinforcing nut and a lateral reinforcing nut of the fixator for treating lumbar disc herniation provided by the invention;
FIG. 6 is a schematic structural view of a triangular fixing frame of the fixator for treating lumbar disc herniation according to the present invention;
FIG. 7 is a second schematic structural view of the triangular fixing frame of the fixator for treating lumbar disc herniation provided by the present invention;
FIG. 8 is one of the structural diagrams of the guide plate of the fixator for treating lumbar disc herniation provided by the invention;
FIG. 9 is a second schematic structural view of the guide plate of the fixator for treating lumbar disc herniation provided by the present invention;
FIG. 10 is a schematic structural view of a screw guide cylinder of the fixator for treating lumbar disc herniation according to the present invention;
FIG. 11 is a second schematic structural view of the screw guiding cylinder of the fixator for treating lumbar disc herniation according to the present invention;
FIG. 12 is a schematic view of the superior pedicle screw of the fixation device for treating lumbar disc herniation provided by the present invention;
FIG. 13 is a schematic view of the lower pedicle screw of the fixation device for treating lumbar disc herniation provided by the invention;
fig. 14 is a schematic structural view of a lateral articular process screw of the fixator for treating lumbar disc herniation provided by the invention.
Detailed Description
As shown in fig. 1 to 14, the embodiment of the fixator for treating lumbar disc herniation provided by the present invention includes an upper pedicle screw 1, a lower pedicle screw 2, a lateral zygopophysis screw 3, a triangular fixator 4, a screw guide cylinder 5 and a guide plate 6, wherein the triangular fixator 4 includes an upper fixing cap 7, a lower fixing cap 8, a left oblique fixing cap 9, an upper transverse connecting column 10, a lower vertical connecting column 11 and a left oblique connecting column 12, the upper fixing cap 7, the lower fixing cap 8 and the left oblique fixing cap 9 are distributed in a triangular shape, the left end of the upper transverse connecting column 10 is fixedly connected with the left oblique fixing cap 9, the right end of the upper transverse connecting column 10 is fixedly connected with the upper fixing cap 7, the upper end of the lower vertical connecting column 11 is fixedly connected with the upper fixing cap 7, the lower end of the lower vertical connecting column 11 is fixedly connected with the lower fixing cap 8, the lower end of the left oblique connecting column 12 is fixedly connected with a lower fixing cap 8, the upper end of the left oblique connecting column 12 is fixedly connected with a left oblique fixing cap 9, the outer ring of the upper fixing cap 7 is provided with an upper fixing cap external thread 13, the inner hole of the upper fixing cap 7 is provided with an upper fixing cap internal thread 14, the outer ring of the lower fixing cap 8 is provided with a lower fixing cap external thread 15, the inner hole of the lower fixing cap 8 is provided with a lower fixing cap internal thread 16, the outer ring of the left oblique fixing cap 9 is provided with a left oblique fixing cap external thread 17, the inner hole of the left oblique fixing cap 9 is provided with a left oblique fixing cap internal thread 18, the upper pedicle screw 1 comprises an upper pedicle screw spongy bone self-tapping section 19 and an upper pedicle screw fixing section 20, the top of the upper pedicle screw fixing section 20 is provided with an upper pedicle screw countersunk head internal hexagonal, an upper vertebral pedicle screw self-tapping external thread 22 is arranged on the upper vertebral pedicle screw spongy bone self-tapping section 19, an upper vertebral pedicle screw fixing external thread 23 is arranged on the upper vertebral pedicle screw fixing section 20, the upper vertebral pedicle screw fixing external thread 23 is matched with the upper fixing cap internal thread 14, the lower vertebral pedicle screw 2 comprises a lower vertebral pedicle screw spongy bone self-tapping section 24 and a lower vertebral pedicle screw fixing section 25, a lower vertebral pedicle screw countersunk head internal hexagonal hole 26 is arranged at the top of the lower vertebral pedicle screw fixing section 25, a lower vertebral pedicle screw self-tapping external thread 27 is arranged on the lower vertebral pedicle screw spongy bone self-tapping section 24, a lower vertebral pedicle screw fixing external thread 28 is arranged on the lower vertebral pedicle screw fixing section 25, the lower vertebral pedicle screw fixing external thread 28 is matched with the lower fixing cap internal thread 16, the lateral articular process screw 3 comprises a lateral articular process screw spongy bone self-tapping section 29 and a, a side zygopophysis screw countersunk head inner hexagonal hole 31 is arranged at the top of the side zygopophysis screw fixing section 30, a side zygopophysis screw self-tapping external thread 32 is arranged on the side zygopophysis screw self-tapping section 29, a side zygopophysis screw fixing external thread 33 is arranged on the side zygopophysis screw fixing section 30, the side zygopophysis screw fixing external thread 33 is matched with the left oblique fixing cap internal thread 18, the length of the upper vertebral pedicle screw spongy bone self-tapping section 19 is longer than that of the upper vertebral pedicle screw fixing section 20, the diameter of the upper vertebral pedicle screw spongy bone self-tapping section 19 is smaller than that of the inner hole of the upper fixing cap 7, the length of the lower vertebral pedicle screw spongy bone self-tapping section 24 is longer than that of the lower vertebral pedicle screw fixing section 25, and the diameter of the lower vertebral, the diameter of the spongy bone self-tapping section 24 of the lower pedicle screw is smaller than the diameter of the inner hole of the lower fixing cap 8, the length of the spongy bone self-tapping section 29 of the side articular process screw is larger than the length of the spongy bone fixing section 30 of the side articular process screw, the diameter of the spongy bone self-tapping section 29 of the side articular process screw is smaller than the diameter of the inner hole of the inclined left fixing cap 9, the screw guide cylinder 5 comprises a positioning section screw guide cylinder 34 and an installation section screw guide cylinder 35, the length of the installation section screw guide cylinder 35 is larger than the length of the positioning section screw guide cylinder 34, the diameter of the installation section screw guide cylinder 35 is larger than the diameter of the positioning section screw guide cylinder 34, an installation section screw guide cylinder internal thread 36 is arranged on the inner hole of the installation section screw guide cylinder 35, and a positioning section screw guide cylinder internal thread 37 is arranged on the inner hole of the positioning section screw guide cylinder 34, the upper pedicle screw fixing external thread 23 is matched with the upper fixing cap internal thread 14, the lower pedicle screw fixing external thread 28 is matched with the lower fixing cap internal thread 16, the lateral articular process screw fixing external thread 33 is matched with the left oblique fixing cap internal thread 18, the upper pedicle screw fixing external thread 23, the lower pedicle screw fixing external thread 28 and the lateral articular process screw fixing external thread 33 are all matched with the positioning section screw guide cylinder internal thread 37, the upper fixing cap external thread 23, the lower fixing cap external thread 28 and the left oblique fixing cap external thread 33 are all matched with the mounting section screw guide cylinder internal thread 36, the guide plate 6 is provided with a guide plate upper through hole 38, a guide plate lower through hole 39 and a guide plate left oblique through hole 40, the upper pedicle screw spongy bone self-tapping section 19 can pass through the guide plate upper through hole 38, and the lower pedicle screw spongy bone self-tapping section 24 can pass through the guide plate lower through hole 39, the cancellous bone self-tapping section 29 of the side articular process screw can pass through the guide plate left side oblique through hole 40, the guide plate 6 comprises an upper guide plate 41, a left lower guide plate 42 and a right lower guide plate 43, the upper guide plate 41, the left lower guide plate 42 and the right lower guide plate 43 are detachably connected, the guide plate upper through hole 38 is positioned at the joint between the upper guide plate 41, the left lower guide plate 42 and the right lower guide plate 43, the guide plate lower through hole 39 is positioned at the joint between the left lower guide plate 42 and the right lower guide plate 43, the guide plate left side oblique through hole 40 is positioned at the joint between the upper guide plate 41 and the left lower guide plate 42, the bottom of the upper fixing cap 7 is provided with an upper fixing cap convex ring 44, the bottom of the lower fixing cap 8 is provided with a lower fixing cap convex ring 45, the guide plate upper through hole 38 is provided with a guide plate upper through hole concave ring 46, the guide plate lower through hole 39 is provided with a guide, the upper fixing cap convex ring 44 is matched with 46 of the guide plate upper through hole concave ring, the lower fixing cap convex ring 45 is matched with 47 of the guide plate lower through hole concave ring, the left lower guide plate 42 is provided with a first left lower guide plate hook 48 and a second left lower guide plate hook 49, the right lower guide plate 43 is provided with a right lower guide plate hook 50, a right lower guide plate hook hole 51 and a right lower guide plate disassembly hole 52, the upper guide plate 41 is provided with a first upper guide plate hook hole 53, a second upper guide plate hook hole 54, a first upper guide plate disassembly hole 55 and a second upper guide plate disassembly hole 56, the first left lower guide plate hook 48 is matched with the first upper guide plate hook hole 53, the second left lower guide plate hook 49 is matched with the right lower guide plate hook hole 51, the right lower guide plate hook 50 is matched with the second upper guide plate hook hole 54, the right lower guide plate hook hole 51 is communicated with the right lower disassembly plate hole 52, the first upper guide plate hook hole 53 is communicated with the first upper disassembly hole 55, the second upper guide plate clamping hole 54 is communicated with the second upper guide plate dismounting hole 56 and comprises an upper reinforcing nut 57, a lower reinforcing nut 58 and a side reinforcing nut 59, countersunk hexagonal holes are formed in the upper reinforcing nut 57, the lower reinforcing nut 58 and the side reinforcing nut 59, the upper reinforcing nut 57 is matched with the upper fixing cap 7, the lower reinforcing nut 58 is matched with the lower fixing cap 8, the side reinforcing nut 59 is matched with the left oblique fixing cap 9, an upper arc-shaped folded paster 60 and a lower arc-shaped folded paster 61 are arranged on the guide plate 6, the upper transverse connecting column 10 comprises a square upper transverse connecting column 62 and a semicircular upper transverse connecting column 63, the bottom of the semicircular upper transverse connecting column 63 is fixedly connected with the top of the square upper transverse connecting column 62, the lower vertical connecting column 11 comprises a square lower vertical connecting column 64 and a semicircular lower vertical connecting column 65, the bottom of the semicircular lower vertical connecting column 65 is fixedly connected with the top of the square lower vertical connecting column 64, the left oblique connecting column 12 comprises a square left oblique connecting column 66 and a semicircular lower vertical connecting column 67, and the bottom of the semicircular left oblique connecting column 67 is fixedly connected with the top of the square left oblique connecting column 66.
As required, detailed embodiments of the present invention are disclosed herein, but it is to be understood that the disclosed embodiments are merely exemplary of the invention that may be embodied in various and alternative forms. The figures are not necessarily to scale. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (5)
1. The fixer for treating lumbar disc herniation is characterized in that: comprises an upper pedicle screw (1), a lower pedicle screw (2), a lateral articular process screw (3), a triangular fixing frame (4), a screw guide cylinder (5) and a guide plate (6), wherein the triangular fixing frame (4) comprises an upper fixing cap (7), a lower fixing cap (8), a left oblique fixing cap (9), an upper transverse connecting column (10), a lower vertical connecting column (11) and a left oblique connecting column (12), the upper fixing cap (7), the lower fixing cap (8) and the left oblique fixing cap (9) are distributed in a triangular manner, the left end of the upper transverse connecting column (10) is fixedly connected with the left oblique fixing cap (9), the right end of the upper transverse connecting column (10) is fixedly connected with the upper fixing cap (7), the upper end of the lower vertical connecting column (11) is fixedly connected with the upper fixing cap (7), and the lower end of the lower vertical connecting column (11) is fixedly connected with the lower fixing cap (8), the lower end of the left oblique connecting column (12) is fixedly connected with the lower fixing cap (8), the upper end of the left oblique connecting column (12) is fixedly connected with the left oblique fixing cap (9), the outer ring of the upper fixing cap (7) is provided with an upper fixing cap external thread (13), the inner hole of the upper fixing cap (7) is provided with an upper fixing cap internal thread (14), the outer ring of the lower fixing cap (8) is provided with a lower fixing cap external thread (15), the inner hole of the lower fixing cap (8) is provided with a lower fixing cap internal thread (16), the outer ring of the left oblique fixing cap (9) is provided with a left oblique fixing cap external thread (17), the inner hole of the left oblique fixing cap (9) is provided with a left oblique fixing cap internal thread (18), the upper pedicle screw (1) comprises an upper pedicle screw spongy bone self-tapping section (19) and an upper pedicle screw fixing section (20), an upper pedicle screw countersunk head inner hexagonal hole (21) is arranged at the top of the upper pedicle screw fixing section (20), an upper pedicle screw self-tapping external thread (22) is arranged on the upper pedicle screw spongy bone self-tapping section (19), an upper pedicle screw fixing external thread (23) is arranged on the upper pedicle screw fixing section (20), the upper pedicle screw fixing external thread (23) is matched with the upper fixing cap internal thread (14), the lower pedicle screw (2) comprises a lower pedicle screw spongy bone self-tapping section (24) and a lower pedicle screw fixing section (25), a lower pedicle screw countersunk head inner hexagonal hole (26) is arranged at the top of the lower pedicle screw fixing section (25), a lower pedicle screw self-tapping external thread (27) is arranged on the lower pedicle screw spongy bone self-tapping section (24), and a lower pedicle screw fixing external thread (28) is arranged on the lower pedicle screw fixing section (25), the lower pedicle screw fixing external thread (28) is matched with the lower fixing cap internal thread (16), the side articular process screw (3) comprises a side articular process screw spongy bone self-tapping section (29) and a side articular process screw fixing section (30), a side articular process screw countersunk head internal hexagonal hole (31) is arranged at the top of the side articular process screw fixing section (30), a side articular process screw self-tapping external thread (32) is arranged on the side articular process screw spongy bone self-tapping section (29), a side articular process screw fixing external thread (33) is arranged on the side articular process screw fixing section (30), the side articular process screw fixing external thread (33) is matched with the left oblique fixing cap internal thread (18), the length of the upper pedicle screw spongy bone self-tapping section (19) is greater than that of the upper pedicle screw fixing section (20), and the diameter of the upper pedicle screw spongy bone self-tapping section (19) is smaller than that of the upper pedicle screw fixing section (20), the diameter of the upper vertebral pedicle screw spongy bone self-tapping section (19) is smaller than that of an inner hole of the upper fixing cap (7), the length of the lower vertebral pedicle screw spongy bone self-tapping section (24) is larger than that of the lower vertebral pedicle screw fixing section (25), the diameter of the lower vertebral pedicle screw spongy bone self-tapping section (24) is smaller than that of an inner hole of the lower fixing cap (8), the length of the side articular process screw spongy bone self-tapping section (29) is larger than that of the side articular process screw fixing section (30), the diameter of the side articular process screw spongy bone self-tapping section (29) is smaller than that of the side articular process screw fixing section (30), and the diameter of the side articular process screw spongy bone self-tapping section (29) is smaller than that of an inner hole of the left inclined fixing cap (9), the screw guide cylinder (5) comprises a positioning section screw guide cylinder (34) and an installation section screw guide cylinder (35), the length of the installation section screw guide cylinder (35) is greater than that of the positioning section screw guide cylinder (34), the diameter of the installation section screw guide cylinder (35) is greater than that of the positioning section screw guide cylinder (34), an installation section screw guide cylinder internal thread (36) is arranged on an inner hole of the installation section screw guide cylinder (35), a positioning section screw guide cylinder internal thread (37) is arranged on an inner hole of the positioning section screw guide cylinder (34), an upper pedicle screw fixing external thread (23) is matched with an upper fixing cap internal thread (14), a lower pedicle screw fixing external thread (28) is matched with a lower fixing cap internal thread (16), a side joint protruding screw fixing external thread (33) is matched with a left side oblique fixing cap internal thread (18), go up pedicle screw fixation external screw thread (23), pedicle screw fixation external screw thread (28) and side joint process screw fixation external screw thread (33) all with positioning section screw guide cylinder internal thread (37) phase-match down, go up fixation cap external screw thread (23), down fixation cap external screw thread (28) and left side slant fixation cap external screw thread (33) all with installation section screw guide cylinder internal thread (36) phase-match, be equipped with through-hole (38) under guide plate on guide plate (6), guide plate lower through-hole (39) and guide plate left side slant through-hole (40), go up pedicle screw spongy bone self-tapping section (19) and can pass through-hole (38) on the guide plate, guide plate lower through-hole (39) can be passed in pedicle screw spongy bone self-tapping section (24) down, guide plate left side slant through-hole (40) can be passed in side joint process screw spongy bone self-tapping section (29), guide plate (6) include guide plate (41, A left lower guide plate (42) and a right lower guide plate (43), the upper guide plate (41), the left lower guide plate (42) and the right lower guide plate (43) are detachably connected, the guide plate upper through hole (38) is positioned at the joint between the upper guide plate (41), the left lower guide plate (42) and the right lower guide plate (43), the guide plate lower through hole (39) is positioned at the joint between the left lower guide plate (42) and the right lower guide plate (43), the guide plate left side oblique through hole (40) is positioned at the joint between the upper guide plate (41) and the left lower guide plate (42), the bottom of the upper fixing cap (7) is provided with an upper fixing cap convex ring (44), the bottom of the lower fixing cap (8) is provided with a lower fixing cap convex ring (45), the guide plate upper through hole (38) is provided with a guide plate upper through hole concave ring (46), the guide plate lower through hole (39) is provided with a guide plate lower through hole concave ring (47), the upper fixing cap convex ring (44) is matched with the guide plate upper through hole concave ring (46), the lower fixing cap convex ring (45) is matched with the guide plate lower through hole concave ring (47), the left lower guide plate (42) is provided with a first left lower guide plate hook (48) and a second left lower guide plate hook (49), the right lower guide plate (43) is provided with a right lower guide plate hook (50), a right lower guide plate hook hole (51) and a right lower guide plate dismounting hole (52), the upper guide plate (41) is provided with a first upper guide plate hook hole (53), a second upper guide plate hook hole (54), a first upper guide plate dismounting hole (55) and a second upper dismounting hole (56), the first left lower guide plate hook (48) is matched with the first upper guide plate hook hole (53), the second left lower guide plate (49) is matched with the right lower guide plate hook hole (51), and the right lower guide plate (50) is matched with the second upper guide plate hook hole (54), the right lower guide plate clamping hole (51) is communicated with the right lower guide plate dismounting hole (52), the first upper guide plate clamping hole (53) is communicated with the first upper guide plate dismounting hole (55), and the second upper guide plate clamping hole (54) is communicated with the second upper guide plate dismounting hole (56).
2. The fixator for treatment of lumbar disc herniation according to claim 1, wherein: including last reinforcement nut (57), lower reinforcement nut (58) and side reinforcement nut (59), all be equipped with hexagon socket in the countersunk head on last reinforcement nut (57), lower reinforcement nut (58) and side reinforcement nut (59), it cooperatees with last locking nut (7) to go up reinforcement nut (57), it cooperatees with lower locking nut (8) to consolidate nut (58) down, side reinforcement nut (59) cooperate with left side slant locking nut (9).
3. The fixator for treatment of lumbar disc herniation according to claim 1 or 2, wherein: the guide plate (6) is provided with an upper arc-shaped folded patch (60) and a lower arc-shaped folded patch (61).
4. The fixator for treatment of lumbar disc herniation according to claim 1 or 2, wherein: the upper transverse connecting column (10) comprises a square upper transverse connecting column (62) and a semicircular upper transverse connecting column (63), the bottom of the semicircular upper transverse connecting column (63) is fixedly connected with the top of the square upper transverse connecting column (62), the lower vertical connecting column (11) comprises a square lower vertical connecting column (64) and a semicircular lower vertical connecting column (65), the bottom of the semicircular lower vertical connecting column (65) is fixedly connected with the top of the square lower vertical connecting column (64), the left oblique connecting column (12) comprises a square left oblique connecting column (66) and a semicircular lower vertical connecting column (67), and the bottom of the semicircular left oblique connecting column (67) is fixedly connected with the top of the square left oblique connecting column (66).
5. The fixator for treatment of lumbar disc herniation according to claim 3, wherein: the upper transverse connecting column (10) comprises a square upper transverse connecting column (62) and a semicircular upper transverse connecting column (63), the bottom of the semicircular upper transverse connecting column (63) is fixedly connected with the top of the square upper transverse connecting column (62), the lower vertical connecting column (11) comprises a square lower vertical connecting column (64) and a semicircular lower vertical connecting column (65), the bottom of the semicircular lower vertical connecting column (65) is fixedly connected with the top of the square lower vertical connecting column (64), the left oblique connecting column (12) comprises a square left oblique connecting column (66) and a semicircular lower vertical connecting column (67), and the bottom of the semicircular left oblique connecting column (67) is fixedly connected with the top of the square left oblique connecting column (66).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611021359.2A CN106420027B (en) | 2016-11-15 | 2016-11-15 | Fixator for treating lumbar disc herniation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611021359.2A CN106420027B (en) | 2016-11-15 | 2016-11-15 | Fixator for treating lumbar disc herniation |
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| Publication Number | Publication Date |
|---|---|
| CN106420027A CN106420027A (en) | 2017-02-22 |
| CN106420027B true CN106420027B (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611021359.2A Active CN106420027B (en) | 2016-11-15 | 2016-11-15 | Fixator for treating lumbar disc herniation |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108852496A (en) * | 2018-05-15 | 2018-11-23 | 杭州三坛医疗科技有限公司 | The Attitude Display System of guide channel and guide channel |
| CN113397682B (en) * | 2021-07-28 | 2022-06-24 | 中国人民解放军空军军医大学 | Oblique lateral lumbar interbody fusion lateral reduction fixing system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7771433B2 (en) * | 2004-12-14 | 2010-08-10 | Depuy Products, Inc. | Bone fracture fixation plate shaping system |
| US9668759B2 (en) * | 2007-07-11 | 2017-06-06 | Orthohelix Surgical Designs, Inc. | Surgical drill guide having keyway for axial alignment of a fastener for use for an orthopedic plate |
| EP2564793B1 (en) * | 2007-09-13 | 2014-08-20 | Transcorp, Inc. | Transcorporeal spinal decompression and repair system |
| US8702717B2 (en) * | 2009-07-31 | 2014-04-22 | Zimmer Gmbh | Glenoid alignment tool |
| EP2961338B1 (en) * | 2012-10-15 | 2022-01-05 | Dynamic Spine, LLC | Orthopaedic device |
| US9301858B2 (en) * | 2013-02-21 | 2016-04-05 | The Cleveland Clinic Foundation | Apparatus and method for aiding visualization and/or placing a landmark during a surgical procedure |
| CN206651867U (en) * | 2016-11-15 | 2017-11-21 | 温州医科大学附属第二医院 | Treat the fixator of protrusion of lumber intervertebral disc |
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