CN109549681B - Drilling device - Google Patents

Drilling device Download PDF

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Publication number
CN109549681B
CN109549681B CN201811402879.7A CN201811402879A CN109549681B CN 109549681 B CN109549681 B CN 109549681B CN 201811402879 A CN201811402879 A CN 201811402879A CN 109549681 B CN109549681 B CN 109549681B
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China
Prior art keywords
hole
drill rod
device part
bevel gear
working
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CN201811402879.7A
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CN109549681A (en
Inventor
万文兵
廖琦
蔡风
吴庆
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Second Affiliated Hospital to Nanchang University
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Second Affiliated Hospital to Nanchang University
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Priority to CN201811402879.7A priority Critical patent/CN109549681B/en
Publication of CN109549681A publication Critical patent/CN109549681A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Drilling And Boring (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention discloses a drilling device, which comprises a handle, a drill rod and a drill rod, wherein the handle is used for holding; the rotary table is detachably connected with the drill rod; the body, with the handle is fixed and be installed power component, power component drive the carousel is in the vertical rotation of handle. The invention can solve the problem of difficult operation caused by medical workers needing to erect the medical electric drill in the bone drilling related operation.

Description

Drilling device
Technical Field
The invention relates to the field of medical instruments, in particular to a drilling device.
Background
The conventional medical electric drill is formed by sleeving a power system and a drill bit in front, the corner between the drill bit and a handle is large, and a medical electric drill needs to be erected by medical personnel when the medical electric drill is used, so that the hole direction of a drilled hole is coaxial with a drill rod, and the operation is difficult.
Disclosure of Invention
The embodiment of the invention at least provides a drilling device, which can solve the problem of difficult operation caused by the fact that medical workers need to erect a medical electric drill in bone drilling related operations.
The device comprises:
a handle for holding;
the rotary table is detachably connected with the drill rod;
the body, with the handle is fixed and be installed power component, power component drive the carousel is in the vertical rotation of handle.
In some embodiments of the present disclosure, the power assembly comprises:
the driven teeth are wound on the peripheral side of the rotating disc;
at least one bevel gear fixed with the motor shaft and meshed with the driven teeth, wherein the axial direction of the bevel gear is perpendicular to the axial direction of the rotating disc;
the motor is arranged on the body and drives at least one bevel gear to rotate through a motor shaft;
a driving plate installed at the body and controlling the motor to operate.
In some embodiments of the present disclosure, the body includes a working portion and a device portion;
the bevel gear is arranged on the working part;
the middle part of the device part is hollow, one end of the device part is connected with the working part, and the other end of the device part is connected with the handle;
the motor and the control board are arranged in the middle of the device part;
the device part is provided with a driving passage, and a motor shaft of the motor is coaxially fixed with the bevel gear through the driving passage.
In some embodiments of the present disclosure, the working portion is configured with a drive bevel gear and a driven bevel gear that are engaged with the driven teeth, respectively;
the motor shaft is coaxially fixed with the driving bevel gear.
In some embodiments of the present disclosure, a handle is detachably connected to the other end of the working portion opposite to the device portion.
In some embodiments of the present disclosure, the working portion is configured with a hollow column extending therethrough, an axial direction of the column being perpendicular to an axial direction of the bevel gear;
the rotary disc is rotatably connected with the working part through a rotary disc hole coaxially sleeved with the hollow upright post;
a shell used for wrapping the rotary disc is arranged on the other side of the rotary disc opposite to the working part;
the shell is detachably connected with the working part and limits the displacement of the turntable in the vertical direction of the hollow upright post;
one end of the drill rod is located outside the shell, the other end of the drill rod sequentially penetrates through the shell, the rotary table and the hollow upright column, and the drill rod is coaxially fixed with the rotary table through the connecting assembly.
In some embodiments of the present disclosure, the housing includes an upper housing and a lower housing detachably connected to the upper housing;
the lower shell is arranged on the other side of the working part opposite to the rotary disc and is detachably connected with the working part, and the lower shell is provided with a lower shell hole coaxial with the rotary disc hole;
the upper housing is disposed on the other side of the turntable with respect to the working portion, and an upper housing hole coaxial with the turntable hole is disposed in the upper housing.
In some embodiments of the disclosure, the upper housing is configured to have a hollow structure at an edge of the upper housing and at a portion of the upper housing hole.
In some embodiments of the present disclosure, the connection assembly comprises:
the two transmission holes are positioned on the periphery of a rotating disc column which is sleeved with the hollow upright column in the same shaft;
a drill rod hole located on the circumferential side of the drill rod;
the screw rod penetrates through the two hollow upright columns and the drill rod hole and then is connected with the nut;
and the limiting cover is positioned on the other side of the shell, which is opposite to the rotary table, and is in threaded connection with the rotary table column, and is provided with a rectangular hole matched with the rectangular end part of the drill rod.
In some embodiments of the present disclosure, the device portion includes a first device portion and a second device portion;
one end of the first device part is fixed with the working part, the other end of the first device part is detachably connected with the second device part, a device bin used for mounting the motor and the driving plate is arranged in the middle of the first device part, and the device bin is isolated from the outside through a bin cover detachably connected with the first device part;
the second device part is hollow and is detachably connected with the handle relative to the other end of the first device part, a key is arranged at one end, close to the handle, of the second device part, and the key penetrates through the hollow second device part through a circuit and is coupled with a driving plate located in the first device part.
In view of the above, other features and advantages of the disclosed exemplary embodiments will become apparent from the following detailed description of the disclosed exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a partial block diagram of a drilling apparatus;
FIG. 2 is a partial detail view of an exemplary drilling apparatus;
FIG. 3 is a block diagram of the drilling apparatus;
fig. 4 is a detail view of fig. 3.
The attached drawings are marked as follows:
100. a grip;
200. a working part; 210. a hollow upright post; 211. an annular fixture block; 221. a drive bevel gear; 222. a driven bevel gear;
300. a turntable; 310. a driven tooth; 320. a turntable column; 321. a drive bore;
400. a device section; 410. a first device section; 411. an arc bin cover; 412. a motor; 413. a drive plate; 420. a second device section; 421. pressing a key;
500. a handle;
600. a drill stem; 610. drilling a rod hole; 620. a limiting cover;
710. an upper housing; 711. an upper housing aperture;
720. a lower housing; 721. and a lower housing hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment discloses a drilling equipment, can drill the operation in-process, keeps handle 500 perpendicular with the position of drilling, avoids medical personnel to carry out drilling operation with postures such as sticking up the drilling tool, reduces the operation degree of difficulty, improves the operation success rate.
To implement the above scheme, please refer to fig. 1; the device of the present embodiment includes a grip 100 installed along an installation line, a working portion 200, a turntable 300 located above the working portion 200, a device portion 400, and a handle. When using the device of the present embodiment, the medical staff can hold the handle 500 and the grip 100 with both hands, and carefully observe the drill rod 600 driven by the rotary table 300 and perpendicular to the installation line to safely enter the human body to perform the drilling operation.
Referring to fig. 2, the working portion 200 of the present embodiment is rotatably connected with a hollow upright column 210 penetrating through the upper and lower portions of the working portion 200. The turntable 300 has a hollow and penetrating turntable post 320 integrally formed at the center thereof, and the turntable post 320 is fixed to the peripheral side of the hollow upright 210.
The peripheral side of the rotary disk 300 is wound with a driven tooth 310, and the working part 200 is provided with a driving bevel gear 221 and a driven bevel gear 222 which are engaged with the driven tooth 310 and are used for vertically transmitting 90 degrees with the driven tooth 310. The drive bevel gear 221 enables the turntable 300 to rotate relative to the working unit 200 by shaft power output from the device unit 400.
In order to enable the drill rod 600 to follow the rotation of the rotary table 300. One end of the drill rod 600 of the present embodiment vertically passes through the hollow upright column 210 and the turntable column 320 and then extends to the bottom of the working part 200. Two transmission holes 321 with aligned axes are arranged on the periphery of the upper part of the hollow upright column 210, which extends from the turntable column 320, a through drill rod hole 610 is arranged on the periphery of the drill rod 600, and bolts are sequentially inserted through the drill rod hole 610 and the transmission holes 321 to fix the turntable column 320 and the drill rod 600.
Further, the outer side surface of the hollow upright column 210 of the present embodiment is configured with an annular block, the inner side surface of the turntable column 320 is configured with an annular groove matched with the annular block, the annular groove is configured with an external thread, and the annular groove is configured with an internal thread matched with the external thread.
In some embodiments, the outer side surface of the hollow upright 210 of the present embodiment is configured with an annular locking block 211, and the inner side surface of the rotating disc column 320 is configured with an annular locking groove engaged with the annular locking block 211. In the process of mounting the rotary table 300 and the working part 200, a certain acting force is applied to match the annular clamping groove with the annular clamping block 211, so that the hollow upright column 210 and the rotary table column 320 are relatively fixed in the rod direction of the drill rod 600.
Preferably, the cross section of the annular latch 211 is a right trapezoid. The lower part of the section of the annular clamping block 211 is a rectangular section, and the upper part of the section of the annular clamping block is triangular. The section of the annular clamping groove is the same as that of the annular clamping block 211. Then, in this embodiment, after the annular locking block 211 and the annular locking groove are engaged, the rotary table column 320 cannot be separated from the hollow upright column 210 along the rod direction of the drill rod 600.
The drill rod 600 of this embodiment may be provided with a plurality of drill rod holes 610 along the rod direction, so that the medical staff can select the length of the drill rod 600 extending out of the bottom of the working part 200 according to the requirement.
Preferably, the working portion 200 and the hollow column 210 are connected by a plurality of bearings, so that the working portion 200 and the hollow column 210 rotate relative to each other.
Referring to fig. 3 and 4, in the present embodiment, an upper housing 710 and a lower housing 720 detachably connected to the upper housing 710 are wrapped around the working portion 200; the arrangement of the upper and lower housings 710 and 720 prevents the driven teeth of the turntable 300 from leaking.
The upper housing 710 of the present embodiment is disposed above the turntable 300 with respect to the working part 200 and an upper housing hole 711 is disposed in the middle of the upper housing 710 so that the upper end of the drill rod 600 can pass therethrough.
Meanwhile, a limit cover 620 is arranged above the upper shell 710, the upper end of the turntable column 320 penetrates through the upper shell hole 711 to be in threaded connection with the limit cover 620, a rectangular hole is formed in the middle of the limit cover 620, and the upper end of the drill rod 600 is arranged to be a rectangular end matched with the rectangle. Then, the present embodiment enables the medical staff to indirectly correct the installation position of the drill rod 600 when installing the drill rod 600 through the cooperation of the limit cap 620 and the drill rod 600.
Meanwhile, the upper housing 710 is configured to have a hollow structure at a portion between the upper housing hole 711 and the edge, so that the weight and material usage of the device of the embodiment can be reduced.
The lower housing 720 of the present embodiment is disposed below the working part 200 and the lower housing hole 721 is disposed at the middle of the lower housing 720 so that the lower end of the drill rod 600 can pass therethrough. Meanwhile, the lower housing hole 721 is screw-coupled with a cylindrical structure protruded from the lower end of the working part 200, so that the lower housing hole 721 is fixed with the lower housing 720.
In addition, the detachable connection between the lower housing 720 and the upper housing 710 of the present embodiment may be a bolt connection, a fastener connection or a magnetic buckle connection, which is not limited in the present embodiment.
Referring to fig. 2, the device portion 400 of the present embodiment includes a first device portion 410 and a second device portion 420.
One end of the first device portion 410 of the present embodiment is integrally formed with the working portion 200, and the other end is open; a device bin communicated with the opening is arranged in the middle of the first device part 410, and the device bin is used for installing the motor 412 and a driving plate 413 for driving the motor 412.
The peripheral side of the device bin is isolated from the peripheral side of the outside by a detachably connected arc-shaped bin cover 411.
The detachable connection of the first device portion 410 of the arc bin cover 411 of this embodiment preferably includes a limiting sliding groove disposed in the middle of the first device portion 410, and the arc bin cover 411 is configured with a limiting sliding strip engaged with the limiting sliding groove; the limiting slide bar can be pushed in from the opening of the device bin to realize the connection of the arc bin cover 411 and the first device part 410.
When the second device part 420 of the present embodiment is hollow and connected to the first device part 410, one end can seal the opening of the first device part 410, so that the device compartment is completely isolated from the outside.
The other end of the second device part 420 opposite to the first device part 410 is connected with the handle, and a key 421 is arranged at a position close to the handle, wherein the key 421 passes through the hollow second device part 420 through a circuit and enters the device bin through the opening; the traces are coupled to a drive board 413. Then, the medical staff can operate the button 421 to make the driving board 413 control the operation of the motor 412.
Of course, the power supply of the present embodiment may be an external power supply disposed inside the second device part 420 or externally connected through a power supply line to the second device part 420.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A drilling device is characterized in that a drill hole is arranged in a drill hole,
the device comprises:
a handle for holding;
the rotary table is detachably connected with the drill rod;
the body is fixed with the handle and is provided with a power assembly, and the power assembly drives the turntable to rotate in the vertical direction of the handle;
the power assembly includes:
the driven teeth are wound on the peripheral side of the rotating disc;
the motor is arranged on the body and drives at least one bevel gear to rotate through a motor shaft;
a driving plate installed at the body and controlling the motor to operate;
at least one bevel gear fixed with the motor shaft and meshed with the driven teeth, wherein the axial direction of the bevel gear is perpendicular to the axial direction of the rotating disc;
the body comprises a working part and a device part; the bevel gear is arranged on the working part; the middle part of the device part is hollow, one end of the device part is connected with the working part, and the other end of the device part is connected with the handle; the motor and the control board are arranged in the middle of the device part; the device part is provided with a driving passage, and a motor shaft of the motor is coaxially fixed with the bevel gear through the driving passage;
the working part is provided with a hollow upright post which penetrates through the working part, and the axial direction of the upright post is vertical to the axial direction of the bevel gear; the rotary disc is rotatably connected with the working part through a rotary disc hole coaxially sleeved with the hollow upright post; a shell used for wrapping the rotary disc is arranged on the other side of the rotary disc opposite to the working part; the shell is detachably connected with the working part and limits the displacement of the turntable in the vertical direction of the hollow upright post; one end of the drill rod is located outside the shell, the other end of the drill rod sequentially penetrates through the shell, the rotary table and the hollow upright column, and the drill rod is coaxially fixed with the rotary table through the connecting assembly.
2. The drilling apparatus as claimed in claim 1, wherein the working portion is provided with a drive bevel gear and a driven bevel gear respectively engaged with the driven teeth; the motor shaft is coaxially fixed with the driving bevel gear.
3. The drilling apparatus of claim 2, wherein a handle is removably attached to the working portion at the opposite end of the implement portion.
4. The drilling apparatus of claim 3, wherein the housing comprises an upper housing and a lower housing removably connected to the upper housing; the lower shell is arranged on the other side of the working part opposite to the rotary disc and is detachably connected with the working part, and the lower shell is provided with a lower shell hole coaxial with the rotary disc hole; the upper housing is disposed on the other side of the turntable with respect to the working portion, and an upper housing hole coaxial with the turntable hole is disposed in the upper housing.
5. The drilling apparatus of claim 4, wherein the upper housing hole is disposed at an edge of the upper housing and a portion of the upper housing hole is configured as a hollow structure.
6. The drilling apparatus of claim 3, wherein the connection assembly comprises: the two transmission holes are positioned on the periphery of a rotating disc column which is sleeved with the hollow upright column in the same shaft; a drill rod hole located on the circumferential side of the drill rod; the screw rod penetrates through the hollow upright post and the drill rod hole and then is connected with the nut; and the limiting cover is positioned on the other side of the shell, which is opposite to the rotary table, and is in threaded connection with the rotary table, and is provided with a rectangular hole matched with the rectangular end part of the drill rod.
7. The drilling apparatus of claim 1, wherein the device portion comprises a first device portion and a second device portion; one end of the first device part is fixed with the working part, the other end of the first device part is detachably connected with the second device part, a device bin used for mounting the motor and the driving plate is arranged in the middle of the first device part, and the device bin is isolated from the outside through a bin cover detachably connected with the first device part; the second device part is hollow and is detachably connected with the handle relative to the other end of the first device part, a key is arranged at one end, close to the handle, of the second device part, and the key penetrates through the hollow second device part through a circuit and is coupled with a driving plate located in the first device part.
CN201811402879.7A 2018-11-22 2018-11-22 Drilling device Active CN109549681B (en)

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CN109549681B true CN109549681B (en) 2021-12-17

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005062861A1 (en) * 2005-12-29 2007-07-05 Robert Bosch Gmbh Hand tool machine e.g. boring and chipping hammer, has drive mediums with rotational axis aligned diagonal to machining axis, where rotational axis exhibits component extending in direction of machining axis
CN101972158A (en) * 2010-11-10 2011-02-16 韦有佩 Electric skull punch
CN103639473A (en) * 2013-12-02 2014-03-19 宁波汉浦工具有限公司 Handheld electric drill
CN204302043U (en) * 2015-01-05 2015-04-29 甘肃农业大学 Electrodynamic type earth boring auger
CN104874833A (en) * 2015-06-12 2015-09-02 福建农林大学 Energy feedback type electric drill allowing manual power generation and driving method of electric drill
CN104923822A (en) * 2015-05-08 2015-09-23 浙江理工大学 Impulse type portable drill
CN105342666A (en) * 2015-12-14 2016-02-24 黄少安 Electric drilling device for department of orthopaedics
CN106457541A (en) * 2014-06-27 2017-02-22 喜利得股份公司 Hand-held power tool and control method
CN106888630A (en) * 2017-03-23 2017-06-27 遵义宏伟农业科技有限责任公司 Actinidia tree seed plants perforating device
CN206305499U (en) * 2016-12-13 2017-07-07 寿光万龙模具制造有限公司 Angle of drill bit adjusting means
CN108575198A (en) * 2018-05-21 2018-09-28 绥阳县瓦房水榭农旅发展有限公司 A kind of crisp Lee's fertilizer apparatus of blueness
CN207930025U (en) * 2018-03-14 2018-10-02 上海应用技术大学 A kind of suitching type electric drill device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201848770U (en) * 2010-09-20 2011-06-01 胡继宁 Handheld type electric power tool provided with safe gear shifting device

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005062861A1 (en) * 2005-12-29 2007-07-05 Robert Bosch Gmbh Hand tool machine e.g. boring and chipping hammer, has drive mediums with rotational axis aligned diagonal to machining axis, where rotational axis exhibits component extending in direction of machining axis
CN101972158A (en) * 2010-11-10 2011-02-16 韦有佩 Electric skull punch
CN103639473A (en) * 2013-12-02 2014-03-19 宁波汉浦工具有限公司 Handheld electric drill
CN106457541A (en) * 2014-06-27 2017-02-22 喜利得股份公司 Hand-held power tool and control method
CN204302043U (en) * 2015-01-05 2015-04-29 甘肃农业大学 Electrodynamic type earth boring auger
CN104923822A (en) * 2015-05-08 2015-09-23 浙江理工大学 Impulse type portable drill
CN104874833A (en) * 2015-06-12 2015-09-02 福建农林大学 Energy feedback type electric drill allowing manual power generation and driving method of electric drill
CN105342666A (en) * 2015-12-14 2016-02-24 黄少安 Electric drilling device for department of orthopaedics
CN206305499U (en) * 2016-12-13 2017-07-07 寿光万龙模具制造有限公司 Angle of drill bit adjusting means
CN106888630A (en) * 2017-03-23 2017-06-27 遵义宏伟农业科技有限责任公司 Actinidia tree seed plants perforating device
CN207930025U (en) * 2018-03-14 2018-10-02 上海应用技术大学 A kind of suitching type electric drill device
CN108575198A (en) * 2018-05-21 2018-09-28 绥阳县瓦房水榭农旅发展有限公司 A kind of crisp Lee's fertilizer apparatus of blueness

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