CN110420049A - A kind of clamper applied to Odontoidectomy and grip component - Google Patents
A kind of clamper applied to Odontoidectomy and grip component Download PDFInfo
- Publication number
- CN110420049A CN110420049A CN201910770014.4A CN201910770014A CN110420049A CN 110420049 A CN110420049 A CN 110420049A CN 201910770014 A CN201910770014 A CN 201910770014A CN 110420049 A CN110420049 A CN 110420049A
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- hollow pipe
- outer cylinder
- sleeve
- handle
- odontoidectomy
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- 229910045601 alloy Inorganic materials 0.000 claims abstract description 5
- 239000000956 alloy Substances 0.000 claims abstract description 5
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 34
- 230000008602 contraction Effects 0.000 abstract description 6
- 210000003811 finger Anatomy 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 210000003813 thumb Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 201000011510 cancer Diseases 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Food-Manufacturing Devices (AREA)
Abstract
The present invention relates to the technical fields of Odontoidectomy surgical instrument, more particularly, to a kind of clamper applied to Odontoidectomy and grip component.A kind of clamper applied to Odontoidectomy, including outer cylinder, middle hollow pipe and elastic component made of memorial alloy are threaded through in outer cylinder, middle hollow pipe is circular tube shaped, the both ends of middle hollow pipe are pierced by outer cylinder, and one end of middle hollow pipe is cut and to form at least two elastic clamping jaws, elastic clamping jaw is tilted toward the direction being away from each other, and hollow pipe is moved to the direction for taking in elastic clamping jaw in outer cylinder in elastic component drive.In use, being moved with the dynamic middle hollow pipe of hand push toward the direction that elastic clamping jaw stretches out outer cylinder, elastic clamping jaw opening alignment cdontoid process unclamps outer cylinder, and outer cylinder squeezes elastic clamping jaw and elastic clamping jaw contraction clip is made to handle cdontoid process.It operates fixing screws again later and screws in cdontoid process, cdontoid process can be clamped due to not needing to be continuously applied active force clamper, when operation is more convenient.
Description
Technical field
The present invention relates to the technical fields of Odontoidectomy surgical instrument, are applied to Odontoidectomy more particularly, to one kind
Clamper and grip component.
Background technique
Cervical vertebra atlas and axis is the important cooperation centrum for determining skull mobility, and fit form is cdontoid process and extensive region on dentata
Vertebra cooperation, enables atlas to rotate around cdontoid process.Clinically, dentata is the predilection site of vertebra malignant tumour, currently, in pivot
In the thorough resection operation of vertebra tumour, body of axis excision is relatively easy, but the excision of cdontoid process is mostly used and struck off, and tumour is easy
Residual causes to recur, and how effectively thoroughly to cut off the important step that cdontoid process is tumor operation treatment.It is needed when Odontoidectomy
Cdontoid process is clamped, then penetrates cdontoid process with fixing screws after clamping, cdontoid process is fixed so as to subsequent excision.
Existing clamper is as shown in Figure 1, include grip shears 17, unshaped blade on grip shears 17, but in grip shears
The front end that two of 17 cut arm respectively forms the intermediate plate 18 of a semicircular arc, and two panels intermediate plate 18 arches upward toward the direction for being away from each other side,
Therefore by operating two fit angles for cutting arm, two panels intermediate plate 18 can be made to clamp cdontoid process.
Above-mentioned prior art has the following deficiencies: after two panels intermediate plate clamps cdontoid process, when screwing in fixing screws,
It needs to operate grip shears on the other hand, operates fixing screws on the other hand and screw in, operation is more inconvenient.
Summary of the invention
One of purpose of the invention is to provide a kind of clamper applied to Odontoidectomy, it is advantageous that operation
It is more convenient.
Foregoing invention purpose of the invention has the technical scheme that a kind of applied to Odontoidectomy
Clamper, including outer cylinder, be threaded through in outer cylinder middle hollow pipe and elastic component made of memorial alloy, the middle hollow pipe
For circular tube shaped, the both ends of middle hollow pipe are pierced by outer cylinder, and cut one end of middle hollow pipe to form at least two elastic clamping jaws,
Elastic clamping jaw is tilted toward the direction being away from each other, and hollow pipe is transported to by the direction in elastic clamping jaw income outer cylinder in elastic component drive
It is dynamic.
By using above-mentioned technical proposal, when original state, elastic clamping jaw is in contraction state, in use, dynamic with hand push
Middle hollow pipe stretches out the direction movement of outer cylinder toward elastic clamping jaw.As being made of memorial alloy, when elastic clamping jaw is from outer
After stretching out in cylinder, elastic clamping jaw can open automatically.Then the elastic clamping jaw of opening is directed at cdontoid process, cdontoid process is allowed to be located at elasticity
Outer cylinder is slowly unclamped in position between clamping jaw, and outer cylinder is moved to the direction of elastic clamping jaw under the action of the elastic member, so that outer cylinder
Squeezing elastic clamping jaw makes elastic clamping jaw contraction clip handle cdontoid process.It operates fixing screws again later and screws in cdontoid process, due to not
Cdontoid process can be clamped by needing to be continuously applied active force clamper, therefore more convenient when operation.
The present invention is further arranged to: the outer cylinder includes the spring spool being fixedly connected and squeezes sleeve, squeezes sleeve
One end penetrate in spring spool, the part that middle hollow pipe is located in spring spool is welded with the abutting seat of circular ring shape, abuts seat, squeezes
Accommodating chamber is formed between one end end face and spring spool inner wall in pressing sleeve cylinder insertion spring spool, elastic component is located in accommodating chamber
Be threaded through on hollow pipe, and the both ends of elastic component respectively with abut seat, squeeze sleeve end face abut.
By using above-mentioned technical proposal, by abutting seat, squeezing one end end face and bullet that sleeve is inserted into spring spool
Accommodating chamber is formed between spring sleeve inner wall, therefore elastic component can be hidden and be arranged in accommodating chamber, such as due to spring structure
The moulding variability of spring, therefore be easy part-structure in disinfecting cleaning and do not cleaned to, therefore entire elastic component is hidden
The cleaning that carries out disinfection to clamper is easier to inside accommodating chamber.Elastic component is threaded through on middle hollow pipe to abutting seat and extruded sleeve
Cylinder applies active force, moves so that elastic clamping jaw squeezes the direction in sleeve toward income.
The present invention is further arranged to: the spring spool is welded with sleeve handle far from one end end face for squeezing sleeve,
The diameter of sleeve handle is greater than the diameter of spring spool.
By using above-mentioned technical proposal, sleeve handle is set on spring spool to facilitate application active force, in use,
Index finger and middle finger are clipped in the two sides of spring spool and sleeve handle abuts against, and thumb is by hollow in can pushing on middle hollow pipe
Pipe stretches out.
The present invention is further arranged to: the centre bore passed through by middle hollow pipe, institute are offered in the middle part of the sleeve handle
The internal diameter for stating centre bore is less than the diameter for abutting seat.
By using above-mentioned technical proposal, center-hole diameter is set and is less than abutting seat diameter, sleeve handle is risen
To the effect to seat limit is abutted, prevent abutting seat from deviating from out of spring spool.
The present invention is further arranged to: being formed internal screw thread on the inside of described spring spool one end, is squeezed sleeve one end
Outside forms external screw thread, and spring spool is connected by internal screw thread with external screw thread matching thread with extruding sleeve.
By using above-mentioned technical proposal, spring spool and extruding sleeve are cooperatively connected by internal screw thread and external screw thread one
It rises.
The present invention is further arranged to: the middle hollow pipe is welded with circular heart pipe hand far from one end of elastic clamping jaw
Handle offers the perforation for passing through fixing screws in the middle part of heart pipe handle.
By using above-mentioned technical proposal, when by setting heart pipe handle come so that thumb is pinned heart pipe handle and operated
It is lighter when having biggish forced area, therefore pressing.Perforation is set in heart pipe middle handle to facilitate across fixed spiral shell
Nail can play the role of auxiliary guidance so that heart pipe handle will not influence wearing for fixing screws instead.
The present invention is further arranged to: the outer cylinder is integrally formed and the internal diameter of outer cylinder is equal with the outer diameter of middle hollow pipe,
One end of outer cylinder is welded with sleeve handle, and the diameter centre bore equal with outer cylinder internal diameter is offered in the middle part of sleeve handle, hollow
The both ends of heart pipe are pierced by outer cylinder, and middle hollow pipe welds intentionally pipe handle backwards to one end of elastic clamping jaw, opens in the middle part of heart pipe handle
Equipped with perforation, elastic component is sheathed on the outside of middle hollow pipe, and both ends and sleeve handle, the heart pipe handle of elastic component abut against.
By using above-mentioned technical proposals, directly sleeve handle, heart pipe handle are abutted by elastic component and apply active force,
So that direction of the elastic clamping jaw in income outer cylinder moves.Structure is relatively simple simultaneously, and processing and manufacturing is easier.
Component is gripped applied to Odontoidectomy it is a further object to provide a kind of, it is advantageous that
It operates more convenient.
Foregoing invention purpose of the invention has the technical scheme that a kind of applied to Odontoidectomy
Grip component, including fixing screws and above-mentioned clamper.
It is then passed through by fixing screws after clamping cdontoid process by clamper by using above-mentioned technical proposal
Perforation screws in cdontoid process, and cdontoid process is fixed.
The present invention is further arranged to: the fixing screws include rod of metal alloy, the operation for being fixedly connected on rod of metal alloy one end
Handle, rod of metal alloy forms cone far from one end of operating handle, and forms in cone and rod of metal alloy close to end position
There is external screw thread.
By using above-mentioned technical proposal, then exerted a force by operating handle so that fixing screws rotation penetrates cdontoid process
Interior, cone designs so that fixing screws are more easily penetrated into cdontoid process.
In conclusion advantageous effects of the invention are as follows:
1. under the action of the elastic member, the elastic clamping jaw of outer cylinder extruding makes elastic clamping jaw contraction clip handle cdontoid process, grasp again later
Make fixing screws and screw in cdontoid process, cdontoid process can be clamped due to not needing to be continuously applied active force clamper, operated
When it is more convenient；
2. being accommodated by abutting seat, squeezing one end end face in sleeve insertion spring spool and formed between spring spool inner wall
Chamber, therefore elastic component can be hidden and be arranged in accommodating chamber, entire elastic component is hidden in inside accommodating chamber and is easier to folder
Holder carries out disinfection cleaning.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing clamper；
Fig. 2 is the schematic cross-sectional view of embodiment one；
Fig. 3 is the schematic cross-sectional view of embodiment two；
Fig. 4 is the structural schematic diagram of embodiment three.
Appended drawing reference: 1, outer cylinder；2, middle hollow pipe；3, elastic component；4, elastic clamping jaw；5, spring spool；6, sleeve is squeezed；
7, sleeve handle；8, centre bore；9, seat is abutted；10, accommodating chamber；11, heart pipe handle；12, it perforates；13, fixing screws；14, it closes
Golden bar；15, operating handle；16, cone；17, grip shears；18, intermediate plate.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one:
As shown in Fig. 2, a kind of clamper applied to Odontoidectomy, including outer cylinder 1, the middle hollow pipe 2 being threaded through in outer cylinder 1
And elastic component 3 of the hollow pipe 2 along 1 length direction one-way movement of outer cylinder in driving.Middle hollow pipe 2 is circular tube shaped, and by remembering
Alloy is made.The both ends of middle hollow pipe 2 are pierced by outer cylinder 1, and by one end of middle hollow pipe 2 along two excessively in 2 axis of hollow pipe
Plane is cut into four elastic clamping jaws 4 in parts, and four elastic clamping jaws 4 extend toward the direction inclination being away from each other.During elastic component 3 drives
Hollow pipe 2 is moved to the direction for taking in elastic clamping jaw 4 in outer cylinder 1.
As shown in Fig. 2, outer cylinder 1 includes spring spool 5 and squeezes sleeve 6, spring spool forms interior spiral shell on the inside of 5 one end
Line squeezes and forms external screw thread on the outside of 6 one end of sleeve, and spring spool 5 and extruding sleeve 6 are cooperated by internal screw thread and external screw thread
It is threadedly coupled (spring spool 5 can also be fixedly connected by the way of the company of weldering with sleeve 6 is squeezed after grafting).Spring spool 5 is remote
It is welded with circular sleeve handle 7 from one end end face for squeezing sleeve 6, the diameter of sleeve handle 7 is greater than the straight of spring spool 5
Diameter, the middle part of sleeve handle 7 offer the diameter centre bore 8 equal with middle 2 outer diameter of hollow pipe.The internal diameter of sleeve 6 is squeezed in
The outer diameter of hollow pipe 2 is equal, when elastic clamping jaw 4 is moved toward the direction for squeezing sleeve 6, squeezes the inner wall and elastic clip of sleeve 6
Pawl 4 is abutted to cooperate elastic clamping jaw 4 to centre and be squeezed.
As shown in Fig. 2, the part that middle hollow pipe 2 is located in spring spool 5 is welded with the abutting seat 9 of circular ring shape, the abutting seat 9
With middle 2 coaxial line of hollow pipe.Abut seat 9, squeeze sleeve 6 be inserted into spring spool 5 in one end end face and 5 inner wall of spring spool it
Between formed accommodating chamber 10.Elastic component 3 can select spring, and elastic component 3, which is located in accommodating chamber 10, to be threaded through on middle hollow pipe 2, and
The both ends of elastic component 3 respectively with abut seat 9, squeeze 6 end face of sleeve abut.It is resisted by elastic component 3 and abuts seat 9, driven and abut
Seat 9 and middle hollow pipe 2 move together, stop until abutting when seat 9 is abutted with sleeve handle 7.Middle hollow pipe 2 is far from elastic clamping jaw
4 one end is welded with circular heart pipe handle 11, and the middle part of heart pipe handle 11 is offered in fixing screws 13(Fig. 4
Show) perforation 12.
Specifically used process:
When original state, four elastic clamping jaws 4 are in contraction state, and index finger and middle finger are clipped in two sides and the sleeve of spring spool 5
Handle 7 abuts against, and thumb is pressed on heart pipe handle 11, is moved by hollow pipe 2 in the promotion of heart pipe handle 11, elastic component 3 is pressed
Contracting, elastic clamping jaw 4 open after stretching out extruding sleeve 6.Four after opening elastic clamping jaws 4 are directed at cdontoid processes, allow cdontoid process position
Between four elastic clamping jaws 4, sleeve handle 7 is then slowly unclamped, elastic component 3 pushes outer cylinder 1 to transport to elastic 4 direction of clamping jaw
It is dynamic, so that squeezing sleeve 6 squeezes elastic clamping jaw 4 so that four elastic contractions of clamping jaw 4 clamp cdontoid process.
Embodiment two:
As shown in figure 3, a kind of difference of clamper and embodiment one applied to Odontoidectomy is, outer cylinder 1 is integrally formed
And the internal diameter of outer cylinder 1 is equal with the outer diameter of middle hollow pipe 2.One end of outer cylinder 1 is welded with circular sleeve handle 7, sleeve handle 7
Middle part offer the diameter centre bore 8 equal with 1 internal diameter of outer cylinder.The both ends of middle hollow pipe 2 are pierced by outer cylinder 1, in sleeve handle 7
Holding 2 end of middle hollow pipe being pierced by weld, intentionally pipe handle 11, the middle part of heart pipe handle 11 are offered for across fixing screws
13 perforation 12.The other end of middle hollow pipe 2 is cut into four elastic clamping jaws 4 in parts along two excessively middle 2 axial planes of hollow pipe,
Four elastic clamping jaws 4 extend toward the direction inclination being away from each other.Elastic component 3 is sheathed on middle 2 outside of hollow pipe, the both ends of elastic component 3
It is abutted against with sleeve handle 7, heart pipe handle 11.
Embodiment three:
As shown in figure 4, a kind of component that grips applied to Odontoidectomy, including fixing screws 13 and embodiment one or
Clamper described in embodiment two.Fixing screws 13 include rod of metal alloy 14, the operating handle for being fixedly connected on 14 one end of rod of metal alloy
15.Rod of metal alloy 14 forms cone 16 far from one end of operating handle 15, and leans on close end position in cone 16 and rod of metal alloy 14
It sets and forms external screw thread.
Specifically used process:
After cdontoid process passes through gripper, perforation 12 is passed through by fixing screws 13, is then made by the force of operating handle 15
The rotation of fixing screws 13 is obtained to penetrate in cdontoid process.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of clamper applied to Odontoidectomy, it is characterized in that: including outer cylinder (1), being threaded through in outer cylinder (1) by remembering
Middle hollow pipe (2) and elastic component (3) made of alloy, the middle hollow pipe (2) are circular tube shaped, the both ends of middle hollow pipe (2)
It is pierced by outer cylinder (1), and cuts one end of middle hollow pipe (2) to form at least two elastic clamping jaws (4), elastic clamping jaw (4) is past
The direction being away from each other tilts, and hollow pipe (2) is transported to by the direction in elastic clamping jaw (4) income outer cylinder (1) in elastic component (3) drive
It is dynamic.
2. the clamper according to claim 1 applied to Odontoidectomy, it is characterized in that: the outer cylinder (1) includes solid
Surely the spring spool (5) connected and extruding sleeve (6), the one end for squeezing sleeve (6) penetrate in spring spool (5), middle hollow pipe
(2) it is located at the abutting seat (9) that the part in spring spool (5) is welded with circular ring shape, abuts seat (9), squeezes sleeve (6) insertion spring
Accommodating chamber (10) are formed between one end end face in sleeve (5) and spring spool (5) inner wall, elastic component (3) is located at accommodating chamber
(10) in be threaded through on middle hollow pipe (2), and the both ends of elastic component (3) respectively with abuts seat (9), extruding sleeve (6) end face support
It connects.
3. the clamper according to claim 2 applied to Odontoidectomy, it is characterized in that: the spring spool (5) is remote
It is welded with sleeve handle (7) from one end end face for squeezing sleeve (6), the diameter of sleeve handle (7) is greater than the straight of spring spool (5)
Diameter.
4. the clamper according to claim 3 applied to Odontoidectomy, it is characterized in that: the sleeve handle (7)
Middle part offers the centre bore (8) passed through by middle hollow pipe (2), and the internal diameter of the centre bore (8), which is less than, abuts the straight of seat (9)
Diameter.
5. the clamper according to claim 2 applied to Odontoidectomy, it is characterized in that: the spring spool (5) one
Internal screw thread is formed on the inside of end, is squeezed and is formed external screw thread on the outside of sleeve (6) one end, spring spool (5) and extruding sleeve
(6) it is connected by internal screw thread with external screw thread matching thread.
6. the clamper according to claim 1 applied to Odontoidectomy, it is characterized in that: the middle hollow pipe (2) is remote
One end from elastic clamping jaw (4) is welded with circular heart pipe handle (11), offered in the middle part of heart pipe handle (11) for across
The perforation (12) of fixing screws (13).
7. the clamper according to claim 1 applied to Odontoidectomy, it is characterized in that: the outer cylinder (1) one at
The internal diameter of type and outer cylinder (1) is equal with the outer diameter of middle hollow pipe (2), and one end of outer cylinder (1) is welded with sleeve handle (7), sleeve
The diameter centre bore equal with outer cylinder (1) internal diameter (8) is offered in the middle part of handle (7), the both ends of middle hollow pipe (2) are pierced by outer cylinder
(1), middle hollow pipe (2) welds intentionally pipe handle (11) backwards to one end of elastic clamping jaw (4), opens up in the middle part of heart pipe handle (11)
Have perforation (12), elastic component (3) is sheathed on the outside of middle hollow pipe (2), the both ends of elastic component (3) and sleeve handle (7), heart pipe hand
Handle (11) abuts against.
8. a kind of grip component applied to Odontoidectomy, it is characterized in that: including fixing screws (13) and claim 1
The clamper.
9. according to claim 8 grip component applied to Odontoidectomy, it is characterized in that: the fixing screws
It (13) include rod of metal alloy (14), the operating handle (15) for being fixedly connected on rod of metal alloy (14) one end, rod of metal alloy (14) is far from operation
One end of handle (15) forms cone (16), and outside cone (16) and the close end position of rod of metal alloy (14) form
Screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910770014.4A CN110420049B (en) | 2019-08-20 | 2019-08-20 | Clamp holder and clamping and fixing assembly applied to odontoid process excision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910770014.4A CN110420049B (en) | 2019-08-20 | 2019-08-20 | Clamp holder and clamping and fixing assembly applied to odontoid process excision |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110420049A true CN110420049A (en) | 2019-11-08 |
| CN110420049B CN110420049B (en) | 2024-08-09 |
Family
ID=68415345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910770014.4A Active CN110420049B (en) | 2019-08-20 | 2019-08-20 | Clamp holder and clamping and fixing assembly applied to odontoid process excision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110420049B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118873229A (en) * | 2024-07-27 | 2024-11-01 | 上海斯潘威生物技术有限公司 | A vertebral tethering fixation system for treating scoliosis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118873229A (en) * | 2024-07-27 | 2024-11-01 | 上海斯潘威生物技术有限公司 | A vertebral tethering fixation system for treating scoliosis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110420049B (en) | 2024-08-09 |
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