CN106963522B - A kind of micro-wound pressure-reduced emerging system of posterolateral lumbar spinal - Google Patents
A kind of micro-wound pressure-reduced emerging system of posterolateral lumbar spinal Download PDFInfo
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- CN106963522B CN106963522B CN201710264128.2A CN201710264128A CN106963522B CN 106963522 B CN106963522 B CN 106963522B CN 201710264128 A CN201710264128 A CN 201710264128A CN 106963522 B CN106963522 B CN 106963522B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
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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
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1671—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the spine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1695—Trepans or craniotomes, i.e. specially adapted for drilling thin bones such as the skull
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4611—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of spinal prostheses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
- A61B2017/0256—Joint distractors for the spine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
- A61B2017/0256—Joint distractors for the spine
- A61B2017/0262—Joint distractors for the spine with a provision for protecting nerves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2002/4635—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor using minimally invasive surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2002/4687—Mechanical guides for implantation instruments
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Abstract
The present invention relates to a kind of micro-wound pressure-reduced emerging systems of posterolateral lumbar spinal.Including guider, protection sleeve, trepan, holder and fusion device；The guider be equipped with guide handle, with the guider connecting rod of guide handle detachable connection, the guide pad on guider connecting rod and be connected to guider connecting rod lower end strut head；The protection sleeve is equipped with baffle and anchoring is followed closely；The trepan is equipped with the work sleeve that trepan handle and lower edge are serrated；Guide pad described in art is socketed in work sleeve, and work sleeve is socketed in protection sleeve；The holder connecting rod that the holder is equipped with holder handle and connects holder handle, is internally provided with drainage channel；The fusion device is equipped with fusion device ontology, and the fusion device body interior is equipped with fastening channel and assembles the screw way of fixing glue；Holder connecting rod described in art is fastenedly connected with fusion device.Using apparatus of the present invention row lumbar decompression, syncretizing effect is more preferable, and operation is easier and minimally invasive, damage is small.
Description
Technical field
The present invention relates to the field of medical instrument technology, specifically, being related to a kind of micro-wound pressure-reduced fusion system of posterolateral lumbar spinal
System.
Background technology
Lumbar spinal fusion is a basic fundamental for treating lumbar disease, is suitable for：Vertebra destructive disease, such as spine node
Core or tumor of spine etc. cause a section or several sections of vertebras to damage；Spinal stability is lost, as spinal injury, regression, vertebra destroy
Or Lumbar spine caused by operation；Displacement slips, and pain and dysfunction occurs；It prevents or correction deformity；Cooperation correction
Operation.
In lumbar spinal fusion, by the forward and backward road operation of lumbar vertebrae in the side such as zygapophysial joint, intertransverse fusion, intervertebral bone graft
Method makes that synostosis occurs between lumbar zygapophyseal joint, to establish and maintain lumbar stability.Bone grafting fusion is steady in reconstruction lumbar vertebrae
Crucial effect is played in fixed, fusion success or not also becomes spinal operation success or not one of the important signs that.By a large amount of
After clinical verification, intervertebral fusion has become face at present due to having many advantages, such as that implant bed area is big, bone grafting is reliable, fusion rate is high
The goldstandard of bed lumbar spinal fusion.
Clinically the specific operation process of conventional lumbar vertebral posterior interbody fusion is：1, waist is arrived at by lumbar vertebrae posterior approach
Vertebra bone；2, by removing the lumbar vertebraes rear portion accessory structures such as partial joint tip out section, ligamentum flavum to arrive at canalis spinalis；3, separation nerve
Root and dural sac, hemostasis, appear interverbebral disc rear portion；4, using sharp knife cut annulus fibrosus disci intervertebralis after, with nucleus pulposus clamp, dilator,
Circular treatment intervertenral space forms good implant bed until upper and lower cartilage endplate is cleaned successively for scraper, reamer；5, to
Invasive lumbar fusion device is implanted into intervertenral space；6, lumbar vertebrae rear structure is fixed using nail-stick system.Although the traditional operation faces
Bed works well, but has the disadvantage that：1, cumbersome, with nucleus pulposus clamp, dilator, scraper, reamer successively circular treatment vertebra
Gap, this step generally require 3-4 cycle；2, implant bed processing is difficult in young patient, patients with osteoporosis；3, it plants
Enter Invasive lumbar fusion device it is too small be easy deviate from backward, be easy to damage very much nerve greatly and cause postoperative axial pain；4, rear side approach into
Row intervertebral fusion necessarily needs removal piece attachments bony structure, causes iatrogenic shakiness, screw-rod system need to be coordinated to increase steady
It is qualitative, operation complexity, operation risk and surgery cost are increased to a certain degree.In recent years there are the intervertebrals such as XLIF, DLIF, OLIF
Integration technology uses lumbar vertebrae side approach, and operating process is：Side notch arrives at vertebra by spatia retroperitonaeale, by greater psoas muscle
Disk side, then step and the step 4 of lumbar vertebral posterior interbody fusion, 5 identical.Side interbody fusion is by strutting intervertebral
Gap reaches indirect decompression, though not destroying lumbar vertebrae rear structure, there are still cumbersome problems, and its with lumbal plexus damage
Unique complication.Therefore there is an urgent need for one kind can obtain good syncretizing effect and the simpler lumbar intervertebral fusion method of operation and
Related equipment, however relevant report is had no at present.
Invention content
The purpose of the present invention is being directed to deficiency in the prior art, a kind of micro-wound pressure-reduced fusion system of posterolateral lumbar spinal is provided
System.
To achieve the above object, the technical solution adopted by the present invention is that：
A kind of micro-wound pressure-reduced emerging system of posterolateral lumbar spinal, including guider, protection sleeve, trepan, holder and fusion
Device；
The guider is equipped with guide handle, guider connecting rod, guide pad and struts head, the guider connecting rod
Upper end detachable connection guide handle and the lower end connection of guider connecting rod strut head, the guide pad, which is set to, to be oriented to
On device connecting rod；
The protection sleeve is equipped with the protection sleeve body of hollow cylindrical, described protection sleeve body wherein one end
In angle shape and extend one section of formation baffle, its lower ora terminalis of the baffle is equipped with anchoring and follows closely；
The work sleeve that the trepan is equipped with trepan handle and lower edge is serrated, trepan inside are that both ends penetrate through
Cavity；
Guide pad described in art is socketed in work sleeve and, gap 0.08-0.12mm tangent with work sleeve；Institute
The work sleeve stated is socketed in protection sleeve and tangent with protection sleeve, gap 0.08-0.12mm；
The holder is equipped with the holder connecting rod that holder handle connects holder handle with upper end, the holding
The upper surface of device handle is plane, and the holder connecting rod is internally provided with drainage channel；
The fusion device is equipped with columned fusion device ontology, and the fusion device body interior is equipped with both ends perforation
Channel is fastened, the fusion device ontology is additionally provided with one end open and is opened on fusion device in fusion device ontology upper surface, the other end
The screw way of this body sidewall is equipped with fixing glue in the screw way；
The lower end of holder connecting rod described in art and the fastening channel of fusion device are fastenedly connected.
The head that struts is cuboid, struts the larger side wall of first two areas and gradually crosses so that lower face in lower end
For a relatively narrow curved surface.
It struts the smaller sidewall surfaces of first two areas and is equipped with anti-skid chequer.
The length that struts is 24-30mm, width 7-13mm, thickness 7-8mm.
The detachable connection is specially：The guide handle wall is equipped with first through hole；The guiding
Device connecting rod is internally provided with the spring that guider connecting rod inner wall is fixed in one end and the other end is fixed with trigonal slider, the cunning
Block is stretched out in through the second through-hole in guider link sidewalls outside guider connecting rod；The guider connecting rod is socketed on guiding
When in device handle, the sliding block stretches out in the outside of guide handle through first through hole.
The edge length of its lower ora terminalis of the baffle is equal to a quarter perimeter of protection sleeve body.
The work sleeve diameter is 9-15mm.
The distance of the lower edge of the trepan handle to trepan lower edge is equal to guide pad upper limb to the distance of guider lower edge.
The screw way is arc.
Described is fastenedly connected to be threadedly coupled.
The invention has the advantages that：
1, the micro-wound pressure-reduced emerging system of posterolateral lumbar spinal of the invention is invented based on new art formula, using outer after the lumbar vertebrae
The micro-wound pressure-reduced emerging system row lumbar decompression in side, small to lumbar structures damage, the risk of neurotrosis and lumbal plexus damage is small, and energy
The implant bed area of bigger is obtained, syncretizing effect is more preferable, and operation is also easier, and with fast excellent of minimally invasive, postoperative rehabilitation
Gesture.
2, guider strut head shapes and structure setting is reasonable, intervertenral space can be readily inserted into and fully strutted, and not
Its hetero-organization of easy damaged；The head that struts of guider improves distracted stability by anti-skid chequer；Guide handle and guider
The connection type of connecting rod is convenient for assembly and disassembly in art.
3, protection sleeve, which is put into along guider behind art area, stops nerve and is fixed on centrum by the anchoring of end metal nail
On, ensure trepan into fashionable not damaged nerve tissue.
4, the trepan with cylindrical process sleeve is convenient for quick resection organization, and can get the larger implant bed of area, carries
High syncretizing effect.
5, the guide pad of guider accurately guided rings can pierce road, and the two cooperation can prompt cutting tissue situation, avoid
Excessively excision, safety are good.
6, holder is convenient for the quick and accurate merging of fusion device, and provides drainage channel, can ensure that visual area is clear.
7, columned fusion device expands fusion area, and can reinforce fixed effect by fixing glue, in addition fusion device
Drainage pathway is additionally provided, can ensure that visual area is clear.
Description of the drawings
Fig. 1 is the front view of guider.
Fig. 2 is the right view of guider.
Fig. 3 is the connected mode schematic diagram of guide handle and guider connecting rod.
Fig. 4 is the structural schematic diagram for protecting sleeve.
Fig. 5 is the front view of trepan.
Fig. 6 is guider in art, protection sleeve and the schematic diagram that is used cooperatively of trepan.
Fig. 7 is the front view of holder.
Fig. 8 is the structural schematic diagram of fusion device.
Fig. 9 is the schematic diagram that holder and fusion device are used cooperatively in art.
Specific implementation mode
Present inventor has invented a kind of novel new art formula of lumbar decompression fusion based on abundant clinical experience,
And based on a set of new instrument of the invention, the i.e. micro-wound pressure-reduced emerging system of posterolateral lumbar spinal of the invention.The surgical procedure is specific
Method is：
1, transverse process root is arrived at by lumbar vertebrae side rear Watkins spatium intermusculare approaches；
2, transverse process is removed, is removed to upper intervertenral space side along transverse process root hemad, head end subperiosteum, appears intervertebral
Hole；
3, after cutting annulus fibrosus disci intervertebralis using sharp knife, intervertenral space is handled with nucleus pulposus clamp, dilator, vertebra is inserted into guider
Gap is simultaneously rotated by 90 ° and struts gap；
4, it is put into protection sleeve along guider, rotation protection sleeve makes protection sleeve end stop stop nerve, determines god
After tissue is stopped, knock protection sleeve makes protection sleeve end metal anchoring nail be fixed on centrum, ensures that trepan enters
When not damaged nerve tissue；
5, guide handle is removed, suitable dimension trepan is placed in along guider, cuts off interverbebral disc and part soleplate, work as trepan
Into after certain depth, guide handle is installed, while rotating trepan and taking out the tissue of excision with guider；
6, the cylindric Invasive lumbar fusion device of suitable size is placed in by holder.Stop blooding, set drainage, close notch, operation
Terminate.
The art formula has following advantages for existing lumbar decompression fusion：
1, lumbar vertebral posterior bony structure is not destroyed, only destroys unilateral transverse process, lumbar stability is influenced small；
2, operation is easier, without repeatedly processing intervertenral space and implant bed；
3, implant bed bigger, implant bed blood transport more preferable, bone grafting condition more preferably；
4, without involving nerve root, the risk of neurotrosis is small；
5, during approach, using the lower subperiosteum stripping of direct-view, damage lumbal plexus possibility is small；
6, minimally invasive approach, postoperative rehabilitation are fast.
Coordinate the operation invent the micro-wound pressure-reduced emerging system of posterolateral lumbar spinal include：1, guider, 2, protection sleeve, 3,
Trepan, 4, holder, 5, fusion device.Other instruments such as sharp knife, nucleus pulposus clamp, dilator etc. used in art are normal in the prior art
Advise instrument.
It elaborates below in conjunction with the accompanying drawings to specific implementation mode provided by the invention.Herein, " upper end ",
" lower end " is named according to the visual angle in attached drawing.
Reference numeral and component part involved in attached drawing is as follows：
1. guider, 11. guide handles, 111. first through hole, 12. guider connecting rods, 121. springs, 122. sliding blocks,
123. the second through-hole, 13. guide pads, 14. strut head, 141. anti-skid chequers
2. sleeve is protected, 21. protection sleeve bodies, 22. baffles, 23. anchoring nails
3. trepan, 31. trepan handles, 32. work sleeves
4. holder, 41. holder handles, 42. holder connecting rods, 421. external screw threads, 422. drainage channels
5. fusion device, 51. fusion device ontologies, 52. fastening channels, 53. screw ways, 54. fixing glues
Embodiment 1
The micro-wound pressure-reduced emerging system of posterolateral lumbar spinal of the present invention includes guider 1, protection sleeve 2, trepan 3, holder 4
With fusion device 5.
Guider
Fig. 1 is referred to, Fig. 1 is the front view of guider.The guider is equipped with guide handle 11, guider connecting rod
12, first 14 are strutted guide pad 13 and.The guide handle 11 be it is "T"-shaped, the guider connecting rod 12 be a round bar and
Upper end is connected in guide handle 11.The guide pad 13 is cylinder, is set on guider connecting rod 12 and with guider
Axis centered on connecting rod 12.Described struts first 14 lower ends for being connected to guider connecting rod 12；It is described that strut first 14 generally long
Cube.
Fig. 2 is referred to, Fig. 2 is the right view of guider.Described struts the larger side wall of first 14 two areas in lower end
It gradually crosses so that lower face is a relatively narrow curved surface；It struts the smaller sidewall surfaces of first 14 two areas and is equipped with anti-skid chequer 141.
Fig. 3 is referred to, Fig. 3 is the connected mode schematic diagram of guide handle and guider connecting rod.The guider hand
Handle 11 and guider connecting rod 12 are detachable connection.Specifically, the inside of 11 lower end of guide handle is cavity, and
Side wall is equipped with first through hole 111；The inside of 12 upper end of guider connecting rod is also cavity, and is internally provided with spring 121,
One end of the spring 121 is fixed on the inner wall of guider connecting rod 12, and the other end is fixed with the sliding block 122 of triangle, institute
The sliding block 122 stated is stretched out in through the second through-hole 123 on 12 side wall of guider connecting rod outside guider connecting rod 12；Assembled state
Under, the upper end of the guider connecting rod 12 is socketed in the cavity of guide handle 11, and the sliding block 122 is then logical from first
The outside of guide handle 11 is stretched out in hole 111, and then guide handle 11 and guider connecting rod 12 is made to be relatively fixed.
It should be noted that：The guider 1 guides 3 approach of trepan accurately to cut off phase for strutting intervertenral space
Close tissue.The length for strutting first 14 is 24-30mm, width 7-13mm, thickness 7-8mm, which can hold very much
It changes places and is inserted into intervertenral space and fully struts, and will not the outside tissue of damaged disc radially.The anti-skid chequer 141 can increase
Add the frictional force with soleplate with antiskid.First 14 lower face that struts is designed to a relatively narrow curved surface, guider 1 of being more convenient for
Merging.The guide pad 13 is not limited only to cylinder, can also be the fin knot around the 12 radial arrangement of guider connecting rod
Structure can also play guiding role, however cylindrical shape guiding role is best, and surface is smooth, be not easy to cause to damage to patient,
It is not easy harbor bacteria simultaneously, convenient for cleaning and disinfection.The guide pad 13 can be that individual component is assembled in guider company
Can also be integrally formed with guider connecting rod 12 on bar 12.The company of the guide handle 11 and guider connecting rod 12
The mode of connecing is not limited only to the present embodiment, can also be threaded connection etc., but the structure design of the present embodiment can quick-mounting speed tear open, just
Yu Shuzhong is used, and can save operating time.The guide handle 11 is "T"-shaped, and patient is facilitated to hold.
Protect sleeve
Fig. 4 is referred to, Fig. 4 is the structural schematic diagram for protecting sleeve.The protection sleeve 2 is equipped with protection sleeve body
21, the protection sleeve body 21 is hollow cylindrical, and wherein one end is in integrally angle shape, and extends one section, is baffle
22, the edge length of described 22 times ora terminalis of baffle is equal to a quarter perimeter of protection sleeve body 21, is gone back on 22 times ora terminalis of baffle
Equipped with three anchoring nails 23, the axial direction of the anchoring nail 23 is parallel with the protection axial direction of sleeve body 21, anchoring nail 23
Diameter 1mm, length 2-3mm.
It should be noted that：The protection sleeve 2 keeps operative region for being anchored on centrum side after pushing nerve aside
It is relatively fixed, ensures not injured nerve after trepan enters.One end of the protection sleeve body 21 is angle shape, under baffle 22
The edge length of ora terminalis is equal to a quarter perimeter of protection sleeve body 21, which is convenient for pushing nerve aside in art and be seen convenient for patient
It examines.The anchoring follows closely 23 quantity and is not limited only to this, is axially parallel to the axial direction of protection sleeve 2, can be anchored more firm.
Trepan
Fig. 5 is referred to, Fig. 5 is the front view of trepan.The trepan 3 is equipped with trepan handle 31 and work sleeve 32.Institute
3 inside of trepan stated is the cavity of upper and lower ends perforation.32 internal diameter of work sleeve is 9-15mm, 32 lower end of work sleeve
Edge is serrated.
It should be noted that：The trepan 3 is for cutting off interverbebral disc and part soleplate.3 lower edge of trepan
It is serrated, convenient for quickly excision.Work 32 internal diameter of sleeve is 9-15mm, is set according to the distance of the normal intervertenral space of people
, which can cut off interverbebral disc and the part soleplate of both sides, implant bed area are larger.The internal diameter of work sleeve 32 can basis
Actual needs is customized to different specifications.
Guider, protection sleeve and trepan are used cooperatively
Refer to Fig. 6, Fig. 6 is the schematic diagram that guider in art, protection sleeve and trepan are used cooperatively.The trepan 3
Work sleeve 32 be socketed on protection sleeve 2 in and with protection sleeve 2 it is tangent, gap 0.08-0.12mm, the protective case
The total length of cylinder 2 is less than the length of the work sleeve 32 of trepan 3；The work sleeve 32 is socketed in guider connecting rod 12 and leads
To the outside of block 13, the distance of 31 lower edge of trepan handle to 3 lower edge of trepan is equal under guide pad 13 upper limb to guider 1
The work sleeve 32 of the distance of edge, the guide pad 13 and trepan 3 is tangent, gap 0.08-0.12mm, and trepan 3 can be made tight
Lattice are along the path approach of guider 1 without deviating.In addition, excision situation of the above-mentioned design convenient for instruction patient trepan 3, it can
Prompt patient's excision finishes, and avoids excessively cutting off.
It in art, is inserted into intervertenral space with the guider 1 and is rotated by 90 ° and strut gap, then remove guide handle
11, it is put into protection sleeve 2 along guider, rotation protection sleeve 2 makes the baffle 22 of protection sleeve 2 stop nerve, determines nerve group
It knits after being stopped, knock protection sleeve 2 makes anchoring nail 23 be fixed on centrum, then is placed in trepan 3 along guide pad 13, and turn is simultaneously pressed
Pressure ring bores handle 31 to cut off interverbebral disc and part soleplate using jagged lower edge, when under the lower edge and guider 1 of trepan 3
When edge flushes, the lower edge of the trepan handle 31 is flushed with the upper limb of guide pad 13, and instruction patient, which has cut off, to be finished, and at this time
Being further continued for turn trepan handle 31, then trepan 3 will drive guider 1 to rotate together, and also prompts patient to cut off and finishes, then may be used
Guide handle 11 is installed, while rotating trepan 3 and guider 1 and taking out the tissue of excision.
Holder
Fig. 7 is referred to, Fig. 7 is the front view of holder.The holder 4 is equipped with holder handle 41 and holder connects
Bar 42.The holder handle 41 is "T"-shaped, and upper surface is a flat surface.The upper end of the holder connecting rod 42 is connected to
On holder handle 41, the lower end outer wall of holder connecting rod 42 is equipped with external screw thread 421, and being internally provided with for holder connecting rod 42 is drawn
Circulation road 422,422 lower ending opening of drainage channel connect in the lower face of holder connecting rod 42, upper end opening in holder
The side wall of bar 42.
It should be noted that：The holder 4 is for holding fusion device 5 to fill up the tissue of excision, while for drawing
It bleeds the diffusates such as liquid, keeps visual area clear.The drainage channel 422 is for connecting drainage tube, the diffusates such as drainage blood.
The holder handle 41 is "T"-shaped, and convenient for holding, end face is a flat surface thereon, and the instruments such as nail hammer can be used to beat downwards
Promote the merging of fusion device 5.
Fusion device
Fig. 8 is referred to, Fig. 8 is the structural schematic diagram of fusion device.The fusion device 5 is equipped with fusion device ontology 51, described
Fusion device ontology 51 it is cylindrical and equipped with perforation upper and lower end face fastening channel 52, the fastening channel 52 be equipped with interior spiral shell
Line.Fusion device ontology 51 is additionally provided with two screw ways 53, and the screw way 53 is arc, and one end open is upper in fusion device ontology 51
End face, the other end are opened on the side wall of fusion device ontology 51.Fixing glue 54 is equipped in screw way 53, the state not being fixed
Under, the ailhead of the fixing glue 54 protrudes from outside the upper end opening of screw way 53, and the nail tail of the fixing glue 54 is located at nail
The inside in road 53.
It should be noted that：The fusion device 3 is for making adjacent vertebral that synostosis occur.The fusion device ontology
1 can be made of polyether-ether-ketone, titanium alloy or artificial bone.The fastening channel 52 is used for and holder 4 assembles, and just
In the drainage of the diffusates such as blood.The fixing glue 54 is for fixing fusion device 3 and centrum.The screw way 53 is arc,
Fixing glue 54 can be made to be hammered into inside centrum deeper into ground, fixation is more firm, can obtain better syncretizing effect.
Holder and fusion device are used cooperatively
Fig. 9 is referred to, Fig. 9 is the schematic diagram that holder and fusion device are used cooperatively in art.The holder connecting rod 42
It is socketed in fastening channel 52, is connected by screw threads for fastening.But its specific connection type is not limited only to this, other fixed forms
As bail type also may be used.
In art, the holder connecting rod 42 of holder 4 is accessed in the fastening channel 52 of fusion device 5, then holds holder
Fusion device 5 is placed in intervertenral space by handle 41, and the upper surface that nail hammer taps holder handle 41 is during which coordinated to be oozed to accelerate to be placed in
Blood gone out etc. is attracted to through drainage channel 422 outside visual area, and after position suitable, tapping the head end of fixing glue 54 makes fixation
Nail 54 is hammered into through screw way 53 in centrum.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, under the premise of not departing from the method for the present invention, can also make several improvement and supplement, these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of micro-wound pressure-reduced emerging system of posterolateral lumbar spinal, which is characterized in that including guider, protection sleeve, trepan, holding
Device and fusion device；
The guider is equipped with guide handle, guider connecting rod, guide pad and struts head, the guider connecting rod it is upper
The connection of the lower end of end detachable connection guide handle and guider connecting rod struts head, and the guide pad connects set on guider
On bar；
The protection sleeve is equipped with the protection sleeve body of hollow cylindrical, and described protection sleeve body wherein one end is in oblique
Mouth shape simultaneously extends one section of formation baffle, its lower ora terminalis of the baffle is equipped with anchoring nail；
The work sleeve that the trepan is equipped with trepan handle and lower edge is serrated, trepan inside are the sky of both ends perforation
Chamber；
Guide pad described in art is socketed in work sleeve, gap 0.08-0.12mm；The work sleeve is socketed on guarantor
In pretective sleeve pipe, gap 0.08-0.12mm；
The holder is equipped with the holder connecting rod that holder handle connects holder handle with upper end, the holder hand
The upper surface of handle is plane, and the holder connecting rod is internally provided with drainage channel；
The fusion device is equipped with columned fusion device ontology, and the fusion device body interior is equipped with the fastening of both ends perforation
Channel, the fusion device ontology are additionally provided with one end open and are opened on fusion device ontology in fusion device ontology upper surface, the other end
The screw way of side wall is equipped with fixing glue in the screw way；
The lower end of holder connecting rod described in art and the fastening channel of fusion device are fastenedly connected.
2. the micro-wound pressure-reduced emerging system of posterolateral lumbar spinal according to claim 1, which is characterized in that described to strut head big
It causes to be cuboid, wherein the larger side wall of two areas for strutting head gradually crosses in lower end so that lower face is a relatively narrow song
Face.
3. the micro-wound pressure-reduced emerging system of posterolateral lumbar spinal according to claim 2, which is characterized in that strut first two areas
Smaller sidewall surfaces are equipped with anti-skid chequer.
4. the micro-wound pressure-reduced emerging system of posterolateral lumbar spinal according to claim 2, which is characterized in that it is described strut it is long
Degree is 24-30mm, width 7-13mm, thickness 7-8mm.
5. the micro-wound pressure-reduced emerging system of posterolateral lumbar spinal according to claim 1, which is characterized in that described is detachable
Connection is specially：The guide handle wall is equipped with first through hole；The guider connecting rod is internally provided with one end and fixes
It is fixed with the spring of trigonal slider in guider connecting rod inner wall and the other end, the sliding block is through in guider link sidewalls
Second through-hole stretches out in outside guider connecting rod；When the guider connecting rod is socketed in guide handle, the sliding block
The outside of guide handle is stretched out in through first through hole.
6. the micro-wound pressure-reduced emerging system of posterolateral lumbar spinal according to claim 1, which is characterized in that the baffle is under it
The edge length of ora terminalis is equal to a quarter perimeter of protection sleeve body.
7. the micro-wound pressure-reduced emerging system of posterolateral lumbar spinal according to claim 1, which is characterized in that the work sleeve
Internal diameter is 9-15mm.
8. the micro-wound pressure-reduced emerging system of posterolateral lumbar spinal according to claim 1, which is characterized in that the trepan handle
Lower edge to trepan lower edge distance be equal to guide pad upper limb to guider lower edge distance.
9. the micro-wound pressure-reduced emerging system of posterolateral lumbar spinal according to claim 1, which is characterized in that the screw way is arc
Shape.
10. the micro-wound pressure-reduced emerging system of posterolateral lumbar spinal according to claim 1, which is characterized in that the fastening connects
It is connected in threaded connection.
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| CN201710264128.2A CN106963522B (en) | 2017-04-21 | 2017-04-21 | A kind of micro-wound pressure-reduced emerging system of posterolateral lumbar spinal |
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| CN201710264128.2A CN106963522B (en) | 2017-04-21 | 2017-04-21 | A kind of micro-wound pressure-reduced emerging system of posterolateral lumbar spinal |
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| CN110236609A (en) * | 2018-03-09 | 2019-09-17 | 四川大学华西医院 | Anterior cervical vertebrae uncovertebral joint appears the system of strutting |
| CN108670329B (en) | 2018-06-22 | 2024-01-05 | 王志荣 | Vertebral endplate treatment device |
| CN109350315A (en) * | 2018-09-26 | 2019-02-19 | 杨宗德 | A kind of skeletal grain filling equipment |
| CN114145791B (en) * | 2021-12-01 | 2023-07-07 | 上海三友医疗器械股份有限公司 | Distracting system for an intraspinal bone scaffolding assembly |
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