CN110251196A - Reciprocating file can be strutted - Google Patents
Reciprocating file can be strutted Download PDFInfo
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- CN110251196A CN110251196A CN201910603242.2A CN201910603242A CN110251196A CN 110251196 A CN110251196 A CN 110251196A CN 201910603242 A CN201910603242 A CN 201910603242A CN 110251196 A CN110251196 A CN 110251196A
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- file
- bone
- reciprocating
- bar
- voussoir
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- 210000000988 bone and bone Anatomy 0.000 claims abstract description 85
- 230000004927 fusion Effects 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000007480 spreading Effects 0.000 claims abstract description 14
- 238000005498 polishing Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 208000003618 Intervertebral Disc Displacement Diseases 0.000 description 1
- 206010041549 Spinal cord compression Diseases 0.000 description 1
- 208000020339 Spinal injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007494 plate polishing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Classifications
-
- 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
- A61B17/1659—Surgical rasps, files, planes, or scrapers
-
- 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
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Transplantation (AREA)
- Dentistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Physical Education & Sports Medicine (AREA)
- Cardiology (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The present invention provides one kind can strut reciprocating file, belongs to medical instruments field, including merging bar, two bone file pieces and spreading mechanism.Two bone file piece file faces are disposed opposite to each other, and the front end of merging bar are connected to, for being placed in the bone grafting chamber of cone fusion device and filing facing towards terminal plate of vertebral body.Spreading mechanism is set on merging bar and is located between two bone file pieces, for strutting two bone file pieces.Of the invention struts reciprocating file when in use, threaded fusion cage can be first implanted between two centrums first with implanting instrument, then the merging bar for strutting reciprocating file of the invention is utilized, it is intracavitary that two bone file pieces by the operating walk way of implanting instrument are protruded into bone grafting, two bone file pieces are strutted by spreading mechanism, so that the file face of two bone file pieces is contacted with the soleplate of upper and lower two centrums respectively, it polishes the soleplate of centrum, so that the region of soleplate polishing and the opening of bone grafting chamber fit like a glove, operation is made to reach more preferably effect.
Description
Technical field
The invention belongs to the field of medical instrument technology, are to be related to one kind to strut reciprocating file more specifically.
Background technique
In field of spinal surgery, for degeneration slippage, traumatic slippage, segmental instability, discogenic pain with
And acute disc herniation is melted with the illnesss such as spinal cord or nervous lesion, oldness spinal injury companion's spinal cord compression using centrum
It is current one of adopted treatment method extensively that clutch, which carries out spinal levels fusion,.Threaded fusion cage has support, resistance to compression, equal
The functions such as separate loading can preferably restore intervertebral space height and backbone physiological camber, while by being implanted into self or allograph bone
Particle can get reliable Bony union, and clinical efficacy has obtained a large amount of clinical research confirmations.
Currently, often the soleplate of centrum end face can be polished during surgery in order to accelerate merging for centrum and threaded fusion cage,
Soleplate can be faster in conjunction with the filler in threaded fusion cage bone grafting chamber, to accelerate centrum and vertebral fusion after polishing
The fusion of device.But operating method typically now is, polishes before being implanted into threaded fusion cage the soleplate of centrum,
The opening of the shape and fusion device bone grafting chamber that are difficult to control polishing region fits like a glove, and be easy to cause soleplate polishing excessively or whole
Plate polishing area is inadequate, cannot reach optimal surgical effect.
Summary of the invention
The purpose of the present invention is to provide one kind can strut reciprocating file, existing in the prior art in implantation centrum to solve
It polishes before fusion device the soleplate of centrum, it is difficult to which the shape for controlling soleplate polishing region and the opening of bone grafting chamber are kissed completely
It closes, be easy to cause the technical problem that soleplate polishing is excessive or soleplate polishing area is inadequate.
To achieve the above object, the technical solution adopted by the present invention is that, reciprocating file can be strutted by providing one kind, comprising:
It is placed in bar；
Two bone file pieces, file face are disposed opposite to each other, and the front end of the merging bar are connected to, for being placed in cone fusion device
Bone grafting chamber in and file facing towards terminal plate of vertebral body；And
Spreading mechanism is set on the merging bar and is located between two bone file pieces, is used for two bone files
Piece struts.
Further, the spreading mechanism includes:
Voussoir, between two bone file pieces and two wedge surfaces slide against with two bone file pieces respectively；
Component is pushed and pulled, is set on the merging bar, is reciprocatingly slided for pushing and pulling the voussoir along angle of wedge direction.
Further, the push-and-pull component includes:
Push-pull rod, rotation are set on the merging bar, and one end is threadedly coupled with the voussoir.
Further, the merging bar is equipped with the accommodating hole at perforation both ends；Being arranged in for the push-pull rod rotation is described
In accommodating hole, the push-pull rod front end is threadedly coupled with the voussoir, and the push-and-pull rod rear end is pierced by outside the accommodating hole and sets
There is the knob for push-pull rod described in axial limiting.
Further, the bone file piece includes；
Filing board, side plate face are the file face, and another lateral plates and the wedge surface of the voussoir slide against；And
Elastic joint part is connected between the filing board and the front end of the merging bar.
Further, for the angle of wedge of the voussoir towards the merging bar, the front end of the merging bar, which is equipped with, limits the wedge
Limited block of the block close to the extreme position of the merging bar.
Further, the merging bar includes:
Outer tube, front end are connect with two bone file pieces respectively；And
Inner sleeve is arranged in the outer tube, and inner cavity forms the accommodating hole.
Further, the periphery of the inner sleeve front end is equipped with the snap-gauge being limited between two bone file pieces, described
Snap-gauge is for limiting rotation of the inner sleeve relative to the outer tube.
Further, for the snap-gauge between the limited block and the voussoir, the limited block passes through the snap-gauge
The voussoir is limited close to the extreme position of the merging bar.
Further, the rear end of the merging bar is equipped with the connector for connecting with reciprocating motion equipment.
The beneficial effect provided by the invention for strutting reciprocating file is: compared with prior art, the present invention can strut past
Multiple file when in use, can use implanting instrument and threaded fusion cage is first implanted between two centrums, then utilize merging bar by two
It is intracavitary that a bone file piece by the operating walk way of implanting instrument protrudes into bone grafting, is strutted two bone file pieces by spreading mechanism, so that
The file face of two bone file pieces is contacted with the soleplate of upper and lower two centrums respectively, then by being placed in bar mobile bone file in bone grafting chamber
Piece polishes to the soleplate of centrum, so that the region of soleplate polishing and the opening of bone grafting chamber fit like a glove, reaches operation more
Good effect.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the perspective view provided in an embodiment of the present invention for strutting reciprocating file；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the main view provided in an embodiment of the present invention for strutting reciprocating file；
Fig. 4 is the cross-sectional view of Fig. 3；
Fig. 5 is can be with the perspective view for strutting the threaded fusion cage that reciprocating file is used cooperatively of the embodiment of the present invention；
Fig. 6 be Fig. 5 in threaded fusion cage with can be with the plant for strutting reciprocating file and being used cooperatively of the embodiment of the present invention
Enter the assembling stereogram of tool.
Wherein, each appended drawing reference in figure:
1- is placed in bar；11- outer tube；12- inner sleeve；14- snap-gauge；15- connector；2- bone file piece；21- filing board；22- bullet
Property interconnecting piece；23- limited block；24- files face；3- spreading mechanism；31- voussoir；32- push-pull rod；33- knob；4- fusion device main body；
41- bone grafting chamber；42- filling port；The first connection structure of 43-；5- tool body；The second connection structure of 51-.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Also referring to Fig. 1 to Fig. 4, now the reciprocating file provided in an embodiment of the present invention that struts is illustrated.One kind can
Strutting reciprocating file includes merging 1, two bone file piece 2 of bar and spreading mechanism 3.
Two 2 file faces 24 of bone file piece are disposed opposite to each other, and the front end of merging bar 1 are connected to, for being placed in cone fusion device
Bone grafting chamber 41 in and file face 24 towards terminal plate of vertebral body.
Spreading mechanism 3 is set on merging bar 1 and is located between two bone file pieces 2, for strutting two bone file pieces 2.
Compared with prior art, the embodiment of the present invention struts reciprocating file when in use, can first with implanting instrument
Threaded fusion cage is first implanted between two centrums, is then led to two bone file pieces 2 by the operation of implanting instrument using merging bar 1
Road protrudes into bone grafting chamber 41, is strutted two bone file pieces 2 by spreading mechanism 3 so that the file face 24 of two bone file pieces 2 respectively with
The soleplate of upper and lower two centrums contacts, and then by merging bar 1, mobile bone file piece 2 carries out the soleplate of centrum in bone grafting chamber 41
Polishing makes operation reach more preferably effect so that the region of soleplate polishing and the opening of bone grafting chamber 41 fit like a glove.
Specifically, merging bar 1 can be long straight bar, be sent to bone grafting for two bone file pieces 2 to be passed through operating walk way
In chamber 41.Being placed in 1 rear end of bar can be the connection for being equipped with the handle for gripping or being used to connect with reciprocating motion equipment
First 15, two bone file pieces 2 are operated by merging bar 1 and are polished soleplate.Spreading mechanism 3 is set on merging bar 1, convenient for control
Spreading mechanism 3 struts two bone file pieces 2.File face 24 is parallel with the merging axis of bar 1, by setting the volume of two bone file pieces 2
It is set to the volume less than cone fusion device bone grafting chamber 41, two bone file pieces 2 is enable to be placed in the bone grafting chamber 41 of cone fusion device,
And the file face 24 of two bone file pieces 2 is respectively facing the soleplate of two neighboring centrum.
In use process, used threaded fusion cage and implanting instrument be can be such as flowering structure.
Referring to Fig. 5, threaded fusion cage can be including fusion device main body 4 and the first connection structure 43.
Fusion device main body 4 is for being implanted between two centrums, equipped with two abutment ends for being respectively used to abut with two centrums
Face and a leading flank, fusion device main body 4 are equipped with the bone grafting chamber 41 through two abutting end faces, the front side of fusion device main body 4
Face is equipped with the filling port 42 being connected to bone grafting chamber 41, and filling port 42 is for making bone file enter bone grafting chamber 41.
First connection structure 43 is set in fusion device main body 4, for being detachably connected with implanting instrument and making filling port 42
With implanting instrument to orifice.
Specifically, after fusion device main body 4 is on implantation backbone, the upper and lower ends of fusion device main body 4 are respectively used to and two
Centrum abuts, and the upper and lower end faces of fusion device main body 4 are respectively to abut end face.Bone grafting chamber 41 runs through fusion device master along the vertical direction
Body 4, the front side of bone grafting chamber 41, which is opened on the leading flank of fusion device main body 4 to be formed, allows to strut the filling port that reciprocating file enters
42, on the whole the fusion device main body 4 equipped with bone grafting chamber 41 can be into U-shaped.Filling port 42 may be sized to allow
Two bone file pieces 2 that reciprocating file can be strutted pass through, and further can be set into and also punch can allow for pass through.Punch is used
In eyeletting on the soleplate in centrum, so that the filler in bone grafting chamber 41 is merged with terminal plate of vertebral body.
It is detachable with implanting instrument that first connection structure 43 uses clamping either threaded connection etc. to be detachably connected form
Connection.After first connection structure 43 is connect with implanting instrument, implanting instrument to the filling port 42 in interface and fusion device main body 4
Connection.
Referring to Fig. 6, implanting instrument can be including tool body 5 and the second connection structure 51.
Tool body 5 is equipped with through both ends and for making that the operating walk way that reciprocating file passes through can be strutted, and operating walk way is in work
Posting port is respectively formed in the both ends of the surface for having main body 5 and to interface.
Second connection structure 51 is set on tool body 5, can for the first connection structure 43 with above-mentioned threaded fusion cage
Dismantling connection simultaneously makes to be connected to interface with the filling port 42 of threaded fusion cage.
More specifically, tool body 5 can be in long straight tubulose, inner cavity formation operation channel, pass through the second connection
Threaded fusion cage is fixed on front end by structure 51, in use, the rear end of tool body 5 can be held, passes through tool body 5
Threaded fusion cage is implanted between two centrums by front end.The cross sectional shape of operating walk way can be it is identical as the shape of filling port 42,
Or the section of operating walk way is slightly larger than filling port 42, enables more tools by operating walk way, from filling port 42 into
Enter bone grafting chamber 41.The cross-sectional sizes of operating walk way can be arranged to two bone file pieces 2 for allowing that reciprocating file can be strutted, punching
Device, cover board, fixed link and unlock protrusion, lock screw etc. pass through.
Referring to Figure 2 together to Fig. 4, as a kind of specific embodiment provided by the invention for strutting reciprocating file, support
Opening mechanism 3 includes voussoir 31 and push-and-pull component.
Voussoir 31 is set between two bone file pieces 2 and two wedge surfaces slide against with two bone file pieces 2 respectively.Push-and-pull component is set
In on merging bar 1, reciprocatingly slide for pushing and pulling voussoir 31 along angle of wedge direction.
By push-and-pull component by voussoir 31 to the angle of wedge towards pushing up, so that two bone file pieces 2 are respectively along two wedge surface phases
To sliding, so that voussoir 31 be made to strut two bone file pieces 2.
Referring to Figure 4 together, as a kind of specific embodiment provided by the invention for strutting reciprocating file, component is pushed and pulled
Including push-pull rod 32.The rotation of push-pull rod 32 is set on merging bar 1, and one end is threadedly coupled with voussoir 31.Utilize push-pull rod 32 and wedge
The threaded connection of block 31, by rotating push-pull rod 32, driving voussoir 31 is mobile.
Specifically, the angle of wedge direction of voussoir 31 is parallel with the axis of push-pull rod 32.The angle of wedge of voussoir 31 is acute angle.
Referring to Figure 4 together, as a kind of specific embodiment provided by the invention for strutting reciprocating file, it is placed in bar 1
It is equipped with the accommodating hole at perforation both ends；What push-pull rod 32 rotated is arranged in accommodating hole, 32 front end of push-pull rod and 31 screw thread of voussoir
Connection, 32 rear end of push-pull rod are pierced by outside accommodating hole and are equipped with the knob 33 for axial limiting push-pull rod 32.
Specifically, the coaxial setting of accommodating hole is on merging bar 1, and push-pull rod 32 is threaded through in accommodating hole, so that push-pull rod
32 can rotate, and pull back voussoir 31 to realize.32 rear end of push-pull rod is pierced by accommodating hole and knob 33, Ke Yili is arranged
Limitation push-pull rod 32 is abutted with the rear end face of merging bar 1 with knob 33 to travel forward, and can use knob 33 also to rotate push-and-pull
Bar 32.
Referring to Figure 2 together to Fig. 4, as a kind of specific embodiment provided by the invention for strutting reciprocating file, bone
Filing piece 2 includes；Filing board 21 and elastic joint part 22.
21 side plate face of filing board is file face 24, and another lateral plates and the wedge surface of voussoir 31 slide against.Elastic joint part 22
It is connected to filing board 21 and is placed between the front end of bar 1.
Filing board 21 is connect by elastic joint part 22 with the front end for being placed in bar 1, so that moving in voussoir 31 along angle of wedge direction
When two filing boards 21 are strutted, elastic joint part 22 can deform, and when voussoir 31 moves backward, elastic joint part 22
Screen resilience can be such that filing board 21 resets.
Specifically, two bone file pieces 2 include filing board 21 and elastic joint part 22, and voussoir 31 is located between two filing boards 21
And two wedge surfaces slide against with two filing boards 21 respectively.Elastic joint part 22 can be flexible long-bar metal item.
Referring to Figure 2 together and Fig. 3, as a kind of specific embodiment provided by the invention for strutting reciprocating file, wedge
For the angle of wedge of block 31 towards merging bar 1, the front end of merging bar 1 is equipped with limit voussoir 31 close to the limit of the extreme position of merging bar 1
Block 23.Such setting avoids voussoir 31 that two distracted spacing of bone file piece 2 are excessive.
Specifically, two bone file pieces 2 include filing board 21 and elastic joint part 22, and limited block 23 is located at two bone file pieces 2
Elastic joint part 22 between.
Referring to Figure 4 together, as a kind of specific embodiment provided by the invention for strutting reciprocating file, it is placed in bar 1
Including outer tube 11 and inner sleeve 12.11 front end of outer tube is connect with two bone file pieces 2 respectively.Inner sleeve 12 is arranged in outer tube
In 11, inner cavity forms accommodating hole.
Specifically, outer tube 11 and inner sleeve 12 are coaxial is set-located, convenient for being individually replaced inner sleeve 12 or housing
Pipe 11.What push-pull rod 32 rotated is arranged in the inner cavity of inner sleeve 12.Limited block 23 is connected to the front end of outer tube 11.
Referring to Figure 2 together and Fig. 3, interior as a kind of specific embodiment provided by the invention for strutting reciprocating file
The periphery of 12 front end of casing is equipped with the snap-gauge 14 being limited between two bone file pieces 2, and snap-gauge 14 is opposite for limiting inner sleeve 12
In the rotation of outer tube 11.
Specifically, for the plate face of snap-gauge 14 perpendicular to the axis of inner sleeve 12, two bone file pieces 2 include filing board 21 and elasticity
Interconnecting piece 22 between two elastic joint parts 22 of insertion of snap-gauge 14, limits rotation of the inner sleeve 12 relative to outer tube 11.
Block referring to Figure 2 together with Fig. 3 as a kind of specific embodiment provided by the invention for strutting reciprocating file
For plate 14 between limited block 23 and voussoir 31, limited block 23 limits voussoir 31 close to the limit position of merging bar 1 by snap-gauge 14
It sets.
Also referring to Fig. 1, Fig. 3 and Fig. 4, as a kind of specific embodiment party provided by the invention for strutting reciprocating file
Formula, the rear end of merging bar 1 are equipped with the connector 15 for connecting with reciprocating motion equipment.
The concrete form of connector 15 can be arranged according to existing reciprocating motion equipment, specifically can be it is cylindrical or
Person's four prism type, for being clamped by reciprocating motion equipment.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. one kind can strut reciprocating file characterized by comprising
It is placed in bar；
Two bone file pieces, file face are disposed opposite to each other, and the front end of the merging bar are connected to, for being placed in the plant of cone fusion device
In bone cavity and file facing towards terminal plate of vertebral body；And
Spreading mechanism is set on the merging bar and is located between two bone file pieces, for supportting two bone file pieces
It opens.
2. reciprocating file can be strutted as described in claim 1, which is characterized in that the spreading mechanism includes:
Voussoir, between two bone file pieces and two wedge surfaces slide against with two bone file pieces respectively；
Component is pushed and pulled, is set on the merging bar, is reciprocatingly slided for pushing and pulling the voussoir along angle of wedge direction.
3. reciprocating file can be strutted as claimed in claim 2, which is characterized in that the push-and-pull component includes:
Push-pull rod, rotation are set on the merging bar, and one end is threadedly coupled with the voussoir.
4. reciprocating file can be strutted as claimed in claim 3, which is characterized in that the merging bar is equipped with the accommodating at perforation both ends
Hole；The push-pull rod rotation is arranged in the accommodating hole, and the push-pull rod front end is threadedly coupled with the voussoir, described to push away
Back end of tie rod is pierced by outside the accommodating hole and is equipped with the knob for push-pull rod described in axial limiting.
5. strutting reciprocating file as claim 2 to 4 is described in any item, which is characterized in that the bone file piece includes；
Filing board, side plate face are the file face, and another lateral plates and the wedge surface of the voussoir slide against；And
Elastic joint part is connected between the filing board and the front end of the merging bar.
6. strutting reciprocating file as claim 2 to 4 is described in any item, which is characterized in that the angle of wedge of the voussoir is towards institute
Merging bar is stated, the front end of the merging bar, which is equipped with, limits the voussoir close to the limited block of the extreme position of the merging bar.
7. reciprocating file can be strutted as claimed in claim 4, which is characterized in that the merging bar includes:
Outer tube, front end are connect with two bone file pieces respectively；And
Inner sleeve is arranged in the outer tube, and inner cavity forms the accommodating hole.
8. reciprocating file can be strutted as claimed in claim 7, which is characterized in that the periphery of the inner sleeve front end is equipped with and is limited in
Snap-gauge between two bone file pieces, the snap-gauge is for limiting rotation of the inner sleeve relative to the outer tube.
9. reciprocating file can be strutted as claimed in claim 8, which is characterized in that the snap-gauge is located at the limited block and the wedge
Between block, the limited block limits the voussoir close to the extreme position of the merging bar by the snap-gauge.
10. reciprocating file can be strutted as claimed in claim 9, which is characterized in that it is described merging bar rear end be equipped with for it is past
The connector of multiple sports equipment connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910603242.2A CN110251196A (en) | 2019-07-05 | 2019-07-05 | Reciprocating file can be strutted |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910603242.2A CN110251196A (en) | 2019-07-05 | 2019-07-05 | Reciprocating file can be strutted |
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| Publication Number | Publication Date |
|---|---|
| CN110251196A true CN110251196A (en) | 2019-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910603242.2A Pending CN110251196A (en) | 2019-07-05 | 2019-07-05 | Reciprocating file can be strutted |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113440319A (en) * | 2021-07-29 | 2021-09-28 | 佛山健翔医院有限公司 | Expandable interbody fusion cage test mold |
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| CN205054342U (en) * | 2015-09-30 | 2016-03-02 | 孙政尧 | Novel bone file |
| CN211704752U (en) * | 2019-07-05 | 2020-10-20 | 河北医科大学第三医院 | Expansible reciprocating file |
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2019
- 2019-07-05 CN CN201910603242.2A patent/CN110251196A/en active Pending
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|---|---|---|---|---|
| US20120046682A1 (en) * | 2009-09-24 | 2012-02-23 | Medicinelodge, Inc. Dba Imds Co-Innovation | Reciprocating surgical instruments |
| US20110213372A1 (en) * | 2009-12-31 | 2011-09-01 | Keefer Ryan C | Reciprocating rasps for use in an orthopaedic surgical procedure |
| CN205054342U (en) * | 2015-09-30 | 2016-03-02 | 孙政尧 | Novel bone file |
| CN211704752U (en) * | 2019-07-05 | 2020-10-20 | 河北医科大学第三医院 | Expansible reciprocating file |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113440319A (en) * | 2021-07-29 | 2021-09-28 | 佛山健翔医院有限公司 | Expandable interbody fusion cage test mold |
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