CN106923893B - A kind of preparation method of puncture needle, sting device and cerebral ischemic model - Google Patents
A kind of preparation method of puncture needle, sting device and cerebral ischemic model Download PDFInfo
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- CN106923893B CN106923893B CN201710154512.7A CN201710154512A CN106923893B CN 106923893 B CN106923893 B CN 106923893B CN 201710154512 A CN201710154512 A CN 201710154512A CN 106923893 B CN106923893 B CN 106923893B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3468—Trocars; Puncturing needles for implanting or removing devices, e.g. prostheses, implants, seeds, wires
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- A—HUMAN NECESSITIES
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- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
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- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D7/00—Devices or methods for introducing solid, liquid, or gaseous remedies or other materials into or onto the bodies of animals
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- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
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Abstract
The present invention provides the preparation methods of a kind of puncture needle, sting device and cerebral ischemic model, belong to medicine technology field, the puncture needle includes needle ontology and embolism line, one end of needle ontology is needle end, the other end is backshank end, needle ontology is equipped with the channel at transfixion pin ontology both ends, is equipped with close to one end of needle end for the blocking portion by channel partition for first passage and second channel in channel, blocking portion is equipped with the via hole for being connected to first passage and second channel；Embolism line includes line ontology and the node on line ontology, and for via hole for wearing line ontology optionally and node being prevented to pass through, structure is simple, and manufacturing cost is low, easy to use.The sting device includes the complete blood vessel seat and puncture needle described above used, one surface of blood vessel seat is equipped with blood vessel slot, blood vessel slot extends to opposite other end from one end of blood vessel seat, the surface of blood vessel slot is equipped with illuminating part, its is easy to operate, it is easy to use, the success rate of puncture can be greatly improved.
Description
Technical field
The present invention relates to medicine technology fields, in particular to a kind of puncture needle, sting device and cerebral ischemic model
Preparation method.
Background technique
Cerebral ischemia re-pouring animal model is an important channel for studying ischemic cerebrovascular disease, because of cerebral ischemia reperfusion
Note animal model has repeatability well and can utmostly simulate the generation of mankind's Ischemic Stroke.But existing instrument
Device is inconvenient for operation, embolism line be not easy to be put into it is intravascular, puncture when, using external modulation provide illumination, be radiated on blood vessel
Light is not very good, and is easy to cause puncture failure.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of puncture needle, and structure is simple, and manufacture is easy, and manufacturing cost is low,
It is easy to use, it can preferably solve the above problems.
Another of the embodiment of the present invention is designed to provide a kind of sting device, and structure is simple, and manufacturing cost is low, makes
With conveniently, the success rate of puncture can be greatly improved.
Another of the embodiment of the present invention is designed to provide a kind of preparation method of cerebral ischemic model, easy to operate,
The success rate of cerebral ischemic model preparation can be greatly improved.
The embodiment of the present invention is achieved in that
The embodiment provides a kind of puncture needle, including needle ontology and embolism line, one end of the needle ontology is
Needle end, the other end are backshank end, and the needle ontology is equipped in the channel at needle ontology both ends, the channel close to institute
The one end for stating needle end is equipped with for the blocking portion by the channel partition for first passage and second channel, the first passage
Positioned at the side close to the needle end of the blocking portion, the second channel is located at the separate syringe needle of the blocking portion
The side at end, the blocking portion are equipped with the via hole for being connected to the first passage and the second channel；The embolism line packet
Line ontology and the node on the line ontology are included, the via hole is for making the line ontology optionally wear and prevent
The node passes through.
In optional embodiment of the present invention, the side close to the needle end of the blocking portion is equipped with the first groove,
The cross-sectional area of first groove is gradually reduced from the needle end towards the backshank end, and the via hole is located at described first
The bottom of groove.
In optional embodiment of the present invention, the side close to the backshank end of the blocking portion is equipped with the second groove,
The cross-sectional area of second groove is gradually reduced from the backshank end towards the needle end, and the via hole is located at described second
The bottom of groove.
In optional embodiment of the present invention, the outer surface of the needle ontology is equipped with scale, the needle along its axis direction
Tail end is equipped with hand-held part.
In optional embodiment of the present invention, the embolism line is that medical line is made by dry after being soaked with glue or thin rice gruel
At.
Another embodiment of the present invention provides a kind of sting device, including the complete blood vessel seat used and described above
Puncture needle, the blood vessel seat tool has a length direction and width direction, and a surface of the blood vessel seat is equipped with blood vessel slot, along institute
The length direction of blood vessel seat is stated, the blood vessel slot extends to opposite other end, the blood vessel from one end of the blood vessel seat
The surface of slot is equipped with illuminating part.
In optional embodiment of the present invention, the surface of the blood vessel seat is additionally provided with wire casing, and the wire casing is along the blood vessel
The width direction setting of seat, the wire casing and the blood vessel slot position are in the same surface of the blood vessel seat.
In optional embodiment of the present invention, the illuminating part be relatively arranged on the surface of the blood vessel slot LED it is red
Light lamp and LED blue-ray light.
In optional embodiment of the present invention, the sting device further includes first switch and the second switch, and described first
Switch is electrically connected with the LED red globe lamp, and the second switch and the LED indigo plant are turned off the light electric connection.
Another embodiment of the invention additionally provides a kind of preparation method of cerebral ischemic model, is worn using described above
The preparation method of thorn device, the cerebral ischemic model also uses ligature, method includes the following steps:
Blood vessel seat places step: the ligature being placed in the wire casing of the blood vessel seat, then the blood vessel seat
It is placed into the lower section of blood vessel, is embedded blood vessel in the blood vessel slot of the blood vessel seat；
Piercing step: in the case where the illuminating part shines, the puncture for being installed with the embolism line is needled into blood
The embolism line, is pushed into node that is intravascular and making the embolism line and is located at outside the channel by pipe, with the ligature by institute
It states embolism line to fix, the needle ontology and the blood vessel seat is taken out.
The embodiment of the present invention has the advantages that
Puncture needle provided by the invention, structure is simple, and manufacture is easy, and manufacturing cost is low, easy to use.On needle ontology
Channel facilitates embolism line to penetrate, and is pierced into together convenient for needle ontology with embolism line intravascular, and blocking portion, blocking portion are equipped in channel
It is equipped with via hole, embolism line is equipped with node, and when embolism line is threaded through in channel, node is located at the close needle end of blocking portion
Side, node cannot pass through from via hole, and this makes it possible to avoid embolism line from skidding off from backshank end.
Sting device provided by the invention, structure is simple, and manufacturing cost is low, easy to use, can greatly improve puncture
Success rate.Blood vessel slot on blood vessel seat can individually isolate the blood vessel that needs puncture, the illuminating part energy in blood vessel slot
Good illuminating effect is enough provided, makes the clearer presentation of blood vessel, is punctured convenient for staff.
The preparation method of cerebral ischemic model provided by the invention, it is easy to operate, cerebral ischemic model system can be greatly improved
Standby success rate.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of the puncture needle of the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of needle ontology；
Fig. 3 is the structural schematic diagram of embolism line；
Fig. 4 is the structural schematic diagram of the sting device of the embodiment of the present invention two；
Fig. 5 is the structural schematic diagram of blood vessel seat；
Fig. 6 is the structural schematic diagram of press strip.
Icon: 100- puncture needle；11- needle ontology；111- needle end；112- backshank end；The channel 113-；1131- first is logical
Road；1132- second channel；114- blocking portion；1141- via hole；The first groove of 1142-；The second groove of 1143-；The hand-held part 115-；
12- embolism line；121- line ontology；122- node；123- first end；124- second end；200- blood vessel seat；201- blood vessel slot；
202- wire casing；203-LED red globe lamp；204-LED blue-ray light；205- first switch；206- second switch；207- press strip；208-
Protrusion；209- buckle；300- blood vessel；400- ligature.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " center ", "inner", "outside"
Relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation or position usually put
The orientation or positional relationship or the invention product that relationship those skilled in the art usually understand are usual when using
The orientation or positional relationship put, is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion meaning
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to of the invention
Limitation.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply opposite
Importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Embodiment 1
Refering to what is shown in Fig. 1, the embodiment of the present invention one provides a kind of puncture needle 100, including needle ontology 11 and embolism line
12。
Refering to what is shown in Fig. 2, needle ontology 11 is column structure, one end of needle ontology 11 is needle end 111, needle ontology 11 it is another
One end is backshank end 112.
Needle end 111 is sharp cone distal structure, and surface is smooth so that it is convenient to which needle ontology 11 is pierced into blood vessel, sharp cone distal knot
Structure can refer to the prior art.
Needle ontology 11 is equipped with channel 113, and channel 113 extends to the other end from one end of needle ontology 11.Channel 113 can be set
It sets in the center of needle ontology 11, the center of needle ontology 11 can also be deviateed.In the present embodiment, the setting of channel 113 exists
The center of needle ontology 11.The cross-sectional shape in channel 113 can be circle, or ellipse, triangle, just polygon
Shape or irregular shape etc..In the present embodiment, the cross-sectional shape in channel 113 is circle, and circular channel 113 facilitates processing to make
It makes.
It is additionally provided with blocking portion 114 in the channel 113 of needle ontology 11, blocking portion 114 is with respect to backshank end 112 closer to needle end
111.Channel 113 is divided into first passage 1131 and second channel 1132 by blocking portion 114, and first passage 1131 is located at blocking portion
The side of 114 close needle end 111, second channel 1132 are located at the side of the separate needle end 111 of blocking portion 114.Stop
Portion 114 is equipped with the via hole 1141 for being connected to first passage 1131 and second channel 1132, the cross-sectional shape of via hole 1141
It can be circle, or ellipse, triangle, regular polygon or irregular shape etc..In the present embodiment, via hole 1141
Cross-sectional shape is circle, and the axis of via hole 1141 is overlapped with the axis in channel 113, certainly, the axis of via hole 1141 and
The axis in channel 113 can not also be overlapped.
The side of the close needle end 111 of blocking portion 114 is equipped with the first groove 1142, the cross-sectional area of the first groove 1142
It is gradually reduced from needle end 111 towards backshank end 112, the first groove 1142 primarily serves the effect of guiding.In the present embodiment, the
The vertical sectional shape of one groove 1142 be it is trapezoidal, certainly, the side wall of the first groove 1142 may be evagination arcuate structure or
The arcuate structure of indent.Via hole 1141 is located at the bottom of the first groove 1142, the cross-sectional shape of via hole 1141 and the first groove
The shape of 1142 bottoms is identical and area is also essentially identical.Certainly, via hole 1141 may be with 1142 junction of the first groove
Arc transition.
The side at the close backshank end 112 of blocking portion 114 is equipped with the second groove 1143, the cross-sectional area of the second groove 1143
It is gradually reduced from backshank end 112 towards needle end 111, the second groove 1143 primarily serves the effect of guiding.In the present embodiment, the
The vertical sectional shape of two grooves 1143 be it is trapezoidal, certainly, the side wall of the second groove 1143 may be evagination arcuate structure or
The arcuate structure of indent.Via hole 1141 is located at the bottom of the second groove 1143, the cross-sectional shape of via hole 1141 and the second groove
The shape of 1143 bottoms is identical and area is also essentially identical.Certainly, via hole 1141 may be with 1143 junction of the second groove
Arc transition.
The surface of needle ontology 11 is additionally provided with scale, and zero graduation is located at the end of needle end 111, and scale can play measurement and make
With can observe the depth being pierced by scale, avoid being pierced into too deep, cause the accident when needle ontology 11 is pierced into blood vessel.
The backshank end 112 of needle ontology 11 is equipped with hand-held part 115, and hand-held part 115 holds puncture needle 100 convenient for operator, keeps away
Exempt from hand and directly pinch to pollute needle ontology 11 on needle ontology 11, while needle ontology 11 also being avoided to stab operator.
Needle ontology 11 can be made of transparent material, can also be made of opaque material, for example, can use
Glass, plastics or stainless steel etc..
Refering to what is shown in Fig. 3, embolism line 12 includes line ontology 121 and the node 122 on line ontology 121.
Line ontology 121 can use the prior art, using conventional medical line, also can be used it is satisfactory other
Line.
Line ontology 121 has first end 123 and second end 124, and line ontology 121 is equipped with node 122, and node 122 is opposite
In second end 124 closer to first end 123.Node 122 can be to be made up of the knotting of line ontology 121, is also possible to pass through it
He is made mode.The diameter of node 122 is greater than the diameter of line ontology 121.
Since conventional medical line is softer, when puncture, in the inconvenient implantable intravascular of embolism line 12, therefore, this implementation
In, embolism line 12 is that medical line is made up of drying after being soaked with glue or thin rice gruel, in this way, embolism line 12 just has centainly
Hardness is convenient for implantable intravascular.
, can be with refering to what is shown in Fig. 1, embolism line 12 penetrate in the channel 113 of needle ontology 11 when puncturing, embolism line 12 is from mistake
Hole 1141 passes through, and the diameter of node 122 is greater than the diameter of via hole 1141, and such node 122 cannot pass through from via hole 1141, and
Node 122 is located in first passage 1131, is located at the outer of second channel 1132 close to the end of the embolism line 12 at backshank end 112
Portion is convenient for releasing embolism line 12 out of channel 113 in this way.
Embodiment 2
Refering to what is shown in Fig. 4, second embodiment of the present invention provides a kind of sting device, including the complete blood vessel seat 200 used
With puncture needle 100.
It should be noted that the puncture needle 100 in the present embodiment can use puncture needle 100 described in embodiment one,
Its structure, working principle and the technical effect of generation can be not described in detail herein with the corresponding contents in reference implementation example one.
Certainly, the puncture needle 100 in the present embodiment can also use the prior art.
Refering to what is shown in Fig. 5, blood vessel seat 200 has length direction and width direction, a surface of blood vessel seat 200 is equipped with blood
Tube seat 201, blood vessel slot 201 is arranged along the length direction of blood vessel seat 200, along the length direction of blood vessel seat 200, blood vessel slot 201 from
One end of blood vessel seat 200 extends to opposite other end, and the cross-sectional shape of blood vessel slot 201 can be rectangle, or
It is arc-shaped.
The surface of blood vessel seat 200 is additionally provided with wire casing 202, and wire casing 202 is arranged along the width direction of blood vessel seat 200, along blood vessel
The width direction of seat 200, extends to opposite other end from one end of blood vessel seat 200, and the cross-sectional shape of wire casing 202 can be with
For rectangle, or arc-shaped.
In the present embodiment, the same surface of blood vessel seat 200, wire casing 202 and blood vessel are arranged in blood vessel slot 201 for wire casing 202
Slot 201 is substantially vertical, and certainly, wire casing 202 and blood vessel slot 201 can also be with out of plumb.The quantity of wire casing 202 is at least 1, can also
With setting two, three or three or more, when 202 quantity of wire casing is multiple, length of multiple wire casings 202 along blood vessel seat 200
Direction is arranged side by side.
As shown in connection with fig. 4, the surface of blood vessel slot 201 is equipped with illuminating part.When blood vessel 300 is located in blood vessel slot 201, shine
Part, which lights, enables to the clearer presentation of blood vessel 300, operates convenient for staff.
In the present embodiment, illuminating part includes LED red globe lamp 203 and LED blue-ray light 204.
LED red globe lamp 203 and the opposite surface that blood vessel slot 201 is set of LED blue-ray light 204.
Lighting and extinguish for the ease of control LED red globe lamp 203 and LED blue-ray light 204, can increase switch to control
It makes, in the present embodiment, increases first switch 205 to control 203 light on and off of LED red globe lamp, first switch 205 and LED red globe lamp 203
It is electrically connected；Increase second switch 206 to control the light on and off of LED blue-ray light 204,204 electricity of second switch 206 and LED blue-ray light
Property connection.
In order to preferably fix blood vessel 300, press strip 207 can be also set up on blood vessel seat 200, press strip 207
One end and blood vessel seat 200 are hinged, and the other end of press strip 207 is connect with blood vessel seat 200 by buckle 209, can set on press strip 207
There is protrusion 208 (with reference to shown in Fig. 6), protrusion 208 is arcuate structure.When press strip 207, which is snapped 209, to be fixed, press strip
207 across blood vessel slot 201 and protrusion 208 is embedded in blood vessel slot 201, in this way, press strip 207 can not only preferably fix blood
Pipe 300, but also the blood flow in blood vessel 300 can be blocked, it is convenient for puncture procedure.
This sting device also needs to use ligature 400 when in use, and ligature 400 is placed in wire casing 202.
Embodiment 3
A kind of preparation method for cerebral ischemic model that the embodiment of the present invention three provides, this method is convenient and simple for operation, can
Greatly improve the success rate of cerebral ischemic model preparation.
This method needs to use sting device described in embodiment two, it is also necessary to use ligature 400.
Method includes the following steps:
Blood vessel seat 200 places step: ligature 400 being placed in the wire casing 202 of blood vessel seat 200, then blood vessel seat
200 are placed into the lower section of blood vessel 300, are embedded blood vessel 300 in the blood vessel slot 201 of blood vessel seat 200, in this way can be being worn
The blood vessel 300 of thorn is separated with other blood vessels, then press strip 207 is buckled, can preferably fix in this way blood vessel 300 and
Blood flow in blood vessel 300 is blocked, blood vessel seat 200 can also provide a supporting role blood vessel 300, facilitate operation；
Piercing step: in the case where the illuminating part shines, the puncture needle 100 for being installed with embolism line 12 is pierced into blood vessel
300, embolism line 12 is pushed into blood vessel 300 and is located at the node 122 of embolism line 12 outside channel 113, with ligature 400 by bolt
It is fixed to fill in line 12, needle ontology 11 and blood vessel seat 200 are taken out.
It should be noted that illuminating part can be such that it lights in the front opening that blood vessel seat 200 is put into below blood vessel 300,
Can be to open again after blood vessel 300 is embedded in blood vessel slot 201 lights it.
The node 122 of embolism line 12 be located at channel 113 it is outer when, guarantee ligature 400 be in node 122 and needle end 111
Between, embolism line 12 then is fixed with the knotting of hand handle ligature 400, such embolism line 12 is not easy to skid off.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of puncture needle, which is characterized in that including needle ontology and embolism line, one end of the needle ontology is needle end, another
End is backshank end, and the needle ontology is equipped in the channel at needle ontology both ends, the channel close to the needle end
One end is equipped with the blocking portion for by the channel partition being first passage and second channel, and the first passage is located at the resistance
The side close to the needle end of stopper, the second channel are located at the side far from the needle end of the blocking portion,
The blocking portion is equipped with the via hole for being connected to the first passage and the second channel；
The embolism line includes line ontology and the node on the line ontology, and the via hole is for keeping the line ontology optional
Selecting property wears and the node is prevented to pass through.
2. puncture needle according to claim 1, which is characterized in that the side close to the needle end of the blocking portion is set
There is the first groove, the cross-sectional area of first groove is gradually reduced from the needle end towards the backshank end, the via hole
Positioned at the bottom of first groove.
3. puncture needle according to claim 1, which is characterized in that the side close to the backshank end of the blocking portion is set
There is the second groove, the cross-sectional area of second groove is gradually reduced from the backshank end towards the needle end, the via hole
Positioned at the bottom of second groove.
4. puncture needle according to claim 1, which is characterized in that the outer surface of the needle ontology is equipped with along its axis direction
Scale, the backshank end are equipped with hand-held part.
5. puncture needle according to claim 1, which is characterized in that the embolism line is medical line by with glue or thin rice gruel
Drying is made after soaking.
6. a kind of sting device, which is characterized in that including described in the complete blood vessel seat used and claim 1-5 any one
Puncture needle, the blood vessel seat tool have length direction and width direction, and a surface of the blood vessel seat is equipped with blood vessel slot, along described
The length direction of blood vessel seat, the blood vessel slot extend to opposite other end, the blood vessel slot from one end of the blood vessel seat
Surface be equipped with illuminating part.
7. sting device according to claim 6, which is characterized in that the surface of the blood vessel seat is additionally provided with wire casing, described
Wire casing is arranged along the width direction of the blood vessel seat, and the wire casing and the blood vessel slot position are in the same surface of the blood vessel seat.
8. sting device according to claim 6, which is characterized in that be additionally provided with press strip, the press strip on the blood vessel seat
One end and the blood vessel seat it is hinged, the other end is connected by a snap with the blood vessel seat, be additionally provided with protrusion on the press strip,
When the press strip is fixed by the buckle, the press strip is across the blood vessel slot and the protrusion is embedded in the blood vessel slot
It is interior.
9. sting device according to claim 6, which is characterized in that the sting device further includes first switch and second
Switch, the illuminating part is the LED red globe lamp and LED blue-ray light for being relatively arranged on the surface of the blood vessel slot, and described first opens
It closes and is electrically connected with the LED red globe lamp, the second switch and the LED indigo plant are turned off the light electric connection.
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