CN109009263A - A kind of operation path device with good air-tightness - Google Patents
A kind of operation path device with good air-tightness Download PDFInfo
- Publication number
- CN109009263A CN109009263A CN201810948530.7A CN201810948530A CN109009263A CN 109009263 A CN109009263 A CN 109009263A CN 201810948530 A CN201810948530 A CN 201810948530A CN 109009263 A CN109009263 A CN 109009263A
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- China
- Prior art keywords
- sealing element
- main channel
- operation path
- good air
- path device
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/0034—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means adapted to be inserted through a working channel of an endoscope
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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)
- Surgical Instruments (AREA)
Abstract
The present invention provides a kind of operation path device with good air-tightness, and the medical instrument for being used to need to operate as medical aid introduces in body.The present invention includes the sealing element being arranged on channel components, by the effect of sealing element, effectively prevents the gas leakage between operation path and human body notch, increases the air-tightness in surgical procedure.And by the quantity for setting increase and decrease sealing element, it can effectively adjust the depth that channel enters human body.
Description
Technical field
The present invention relates to a kind of medical instrument more particularly to a kind of hands with good air-tightness for laparoscopic surgery
Art lane device.
Background technique
Laparoscopic surgery is the invasive methods that a new development is got up, and compared to conventional open surgery, there are postoperative
The huge advantages such as rehabilitation duration is short, light postoperative pain sense and wound infection rate are small, appearance is more preferable.With industrial manufacturing technology
Advance by leaps and bounds, be fused to carry out new technology, the new method of related discipline have established firm basis, in addition doctor is more and more refined
Ripe operation, so that many past open operations have been replaced by intracavity operation now.
It in laparoscopic surgery operating process, is open according to the actual situation in abdomen, is often used single hole or porous
Laparoscopic technique is operated, these, which are opened in the small notch of abdomen, must dispose abdominal cavity channel, is facilitated insertion into and is taken the photograph
As camera lens and various special surgical instruments.General laparoscopic surgery needs to reach pressure to Intraperitoneal injection carbon dioxide gas
To about 15mmHg, to increase the inner space for carrying out surgical operation.Therefore lane device is also required to enough air-tightness.
Due to needing implantation surgery instrument to be operated in the course of surgery, in the prior art to the research of channel air-tightness
Often concentrate on sealing on the inside of channel, such as about the sealing means of instrument channel, application number CN201010129400.4
The mobile surgical access devices of sealing are provided in predetermined moving area and method, this application provide surgical operation and enter dress
It sets, which may include flexible retractor, shell and base component, and wherein flexible retractor has opening therethrough, and
And it can be arranged in surgical incision;Cage connection and can be rotated to a part of retractor relative to retractor;
Base component is arranged inside the shell, and forms in sealing element therein including multiple.Sealing element, which can permit, to be passed through
Surgical operating instrument therein is arranged in sealing state.Most of sealing elements can be moveable sealing element, these activities are close
Sealing element can move in the predetermined moving area in base component independently of the other elements in multiple sealing elements.
However the prior art lacks to the airtight Journal of Sex Research on the outside of channel between human body, due to merging channel deformation with
And the problems such as channel and inconsistent notch, is easy to cause the gas between channel and human body to leak.Therefore needing to provide one kind can
Improve the lane device of external air-tightness.In addition, since passage length in the prior art is fixed, it is desirable to provide one kind can
Adjust the device that channel enters human depth as needed.
Summary of the invention
The purpose of the present invention is to provide a kind of operation path devices with good air-tightness, as medical treatment auxiliary dress
The medical instrument for that will need to operate is set to introduce in body.The present invention includes the sealing element being arranged on channel components, is led to
The effect for crossing sealing element effectively prevents the gas leakage between operation path and human body notch, increases in surgical procedure
Air-tightness.And by the quantity for setting increase and decrease sealing element, it can effectively adjust the depth that channel enters human body.
The technical scheme of the present invention is realized as follows:
The present invention is a kind of operation path device with good air-tightness comprising channel components and sealing element, channel
Component for being placed in inside of human body in the course of surgery comprising anchor tip, main channel, anticreep flange.
Anchor tip is located at the top of main channel, and the component in external channel can be connected as one, while also playing limit
Main channel processed enters the effect of human depth.Main channel is the hollow configuration of revolution common in the art, and outer surface can be with
It is cylindricality or frustum cone structure.The lower section of main channel is equipped with anticreep flange, and anticreep flange and main channel are coaxially disposed, and flange is most
Outside diameter is greater than the diameter of main channel.The setting of flange can play the case where preventing channel components to be detached from respect to human body.It is main logical
Road and anticreep flange are made of elastic polymer material, such as rubber, polyurethane material etc., when entering in body, operation
Person first compresses main channel and anticreep flange, reduces its volume, and after entering human body, main channel and anticreep flange are at itself
It restores to the original state under the action of elasticity, original state can also be restored it by other rod type objects.Anchor tip is due to needing to compare
More stable shape can be harder high molecular material and be made, such as polycarbonate, ABS plastic etc..Anchor tip can be with
It is to fix non-dismountable setting with main channel, dismountable form, such as buckle or threaded connection etc. also can be set into.
In the course of surgery, since main channel outer surface and anchor tip lower surface and human body can not necessarily generate tightly
Close fitting, thus the problems such as leakage can be generated, therefore lane device of the present invention further includes a sealing element, sealing element is single-revolution
Body, and be made of deformable material, such as silica gel, gel etc., entire sealing element shape funnel, sealing element includes inner surface
And outer surface, inner surface have the first inner surface and the second inner surface, and the first inner surface is bonded with the outer surface of main channel, and first
The internal diameter of inner surface in its natural state is less than main channel outer diameter, therefore when sealing element is assembled to main channel, the first inner surface
There is radial pressure to the outer surface of main channel, to increase air-tightness, the second inner surface then with the lower surface of anchor tip
Fitting.When main channel enters human body, sealing element deforms in the case where being subject to external force, in the first inner surface and second
Surface is sufficiently bonded with main channel outer surface and anchor tip lower surface respectively;Around at the outer surface of sealing element and body openings
Skin attachement, so as to form enough air-tightness.The tilt angle of second inner surface can be set to be greater than or equal to and fix
The lower surface tilt angle of connector, such sealing element are easier to be bonded the lower surface of fixing head.
Air-tightness in order to further increase, the second inner surface of sealing element are equipped with for increasing leakproofness and/or frictional force
Configuration, such as groove or protrusion setting, anchor tip lower surface can be even curface, be also possible to in sealing element second
The configuration setting that surface groove or protrusion match.For example, anchor tip lower surface is equipped with groove, the second inner surface of sealing element
With protrusion corresponding with the groove of anchor tip or groove;Either anchor tip lower surface is equipped with protrusion, sealing element the
Two inner surfaces have groove corresponding with the groove of anchor tip.Wherein, groove and protrusion, which can be, is evenly arranged on anchor tip
The semi-circular recesses and dot bulge of the second inner surface of lower surface or sealing element cooperate, be also possible to anchor tip lower surface or
The annular groove and annular protrusion that the circumference of the second inner surface of person's sealing element is formed cooperate.
When one of component is set as protrusion, when another sets groove, protrusion and the direct form fit of groove, to increase
Air-tightness.When two components are set as groove simultaneously, sealing ring or gasket can be installed between two grooves to increase
Air-tightness.
Each contact surface is adapted in order to generate enough deformation, to keep air-tightness, the material of sealing element is stretched
It is 120% to 1000% that contracting may be selected to be than range, it is preferred that can be 200%, 500%, 800%, thus can also generate
Enough tensile deformations is installed on main channel.In addition, the outer diameter of main channel can be different size size for not
It is selected with surgery situation, preferably specification can be selected as 3-5 kind, and the outer diameter of main channel selects in 10mm-100mm.It is close
The size of sealing is fixed, when the main channel of sealing element and different size channel components assembles, the first inner surface of sealing element with
Main channel outer surface keeps fitting.Such as three kinds of specifications are selected as, main channel outer diameter is respectively 30mm, 45mm, 50mm, sealing element
When being separately mounted on the main channel of these three specifications, the first inner surface keeps being bonded with main channel outer surface.
In the case where being not provided with sealing element, the distance that channel enters human body depends on the lower surface of anchor tip;It is setting
When having sealing element, the distance that channel enters human body depends on the lower surface of sealing element.Therefore enter human body when needing to adjust channel
Depth when, two methods can be used.First method is the position by adjusting the opposite main channel of sealing element, such as when close
When sealing is slid among main channel, what channel can enter human body is specifically that the bottom of the channel to sealing element lower surface is (i.e. main logical
Among road) distance.This method is easier to adjust, but does not allow to be fixed easily.Therefore it is highly preferred that second of control can be used
The method of distance, i.e., by being inserted in the sealing element of different number in main channel outer surface come controlling depth, sealing element can pass through
Main channel lower surface is inserted in, can also be by being inserted in after removing fixed connector.When use, more than one sealing element carries out depth
When adjusting, in order to increase the air-tightness and Assembly stability between sealing element,
Seal outer surface can be smooth, be also possible to be equipped with the configuration that matches with the second inner surface of sealing element,
Such as groove and protrusion are arranged.Seal outer surface is equipped with groove, and the second inner surface of sealing element has and seal outer surface
The corresponding protrusion of groove or groove;Either seal outer surface is equipped with protrusion, and the second inner surface of sealing element has and sealing
The corresponding groove of the groove of part outer surface.Wherein, groove and protrusion can be semi-circular recesses and dot bulge cooperation, can also
To be that the annular groove formed along the circumference of the second inner surface of seal outer surface or sealing element and annular protrusion are cooperated.When
One of component is set as protrusion, another, which sets groove, is, protrusion and the direct form fit of groove, to increase air-tightness.When
When two components are set as groove simultaneously, sealing ring or gasket can be installed between two grooves to increase air-tightness.
In addition, stability of channel, the present invention are set as having viscosity to the outer surface of sealing element in order to further increase, in fact
Existing mode can be sealing element sheet as cohesive material, or coat one layer of viscoid in seal outer surface, such as to people
The harmless glue etc. of body surface skin.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of channel components of the embodiment of the present invention;
Attached drawing 2 is the structural schematic diagram of sealing element of the embodiment of the present invention;
Attached drawing 3 is the structural schematic diagram after channel components of the embodiment of the present invention and sealing element assembly;
Attached drawing 4 is the structural schematic diagram after channel components of the embodiment of the present invention and 3 sealing element assembly;
Attached drawing 5 is that the lane device of 4 two kinds of assembling modes of attached drawing 3 and attached drawing enters the comparison diagram of human body.
Specific embodiment
Corresponding appended drawing reference indicates corresponding component in the drawings.The present invention shows of the invention in one form
Preferred embodiment, and such embodiment should be construed as limitation of the scope of the invention in no instance.This
Field is it will be appreciated by the skilled person that the device and method be described in detail and be shown in the accompanying drawings herein are non-limiting schematically
Embodiment, and the range of various embodiments of the invention is limited only by claim.A kind of schematic embodiment party
The feature that formula shows and describes can be in conjunction with the feature of other embodiment.It is intended to include at this by such modifications and variations
In the range of invention.
As shown in attached drawing 1-5, operation path device specifically includes the channel for being placed in inside of human body in the course of surgery
Component 1 can connect sealing element 2 on channel components 1.Channel components 1 specifically include anchor tip 3, main channel 4, anticreep flange 5.
Anchor tip 3 is located at the top of main channel 4, and the component in external channel can be connected as one, is also played simultaneously
The effect that main channel 4 enters human depth is limited, is funnel-shaped structure, and the upper half is the interconnecting piece for connecting external channel,
Anchor tip 3 is circumferentially additionally provided with the auricle for suturing connection.Main channel 4 is cylindrical hollow channel in the present embodiment,
It can choose as the hollow configuration of other revolutions common in the art, outer surface can be frustum cone structure etc..Main channel 4
Lower section be equipped with anticreep flange 5, anticreep flange 5 and main channel 4 are coaxially disposed, and the outermost diameter of anticreep flange 5 is greater than main logical
The diameter in road 4, the maximum outside diameter of anticreep flange 5 is 1.2 times of main outside diameter of passage in the present embodiment, and main setting can be played anti-
The case where only channel components are detached from respect to human body.Main channel 4 and anticreep flange 5 are made of elastic polymer material, such as rubber,
Polyurethane material etc., when entering in body, operator first compresses main channel 4 and anticreep flange 5, reduces its body
Product, after entering human body, main channel 4 and anticreep flange 5 restore to the original state under the action of natural resiliency, can also be by other sticks
Type object restores it original state.Anchor tip 3 can be harder high molecular material due to needing more stable shape
It is made, such as polycarbonate, ABS plastic etc..Anchor tip 3, which can be, in the present embodiment fixes non-dismountable set with main channel
It sets, dismountable form, such as buckle or threaded connection etc. also can be set into other embodiments, so that convenient dismantling
Rear seal is installed from top to bottom respectively to main channel 4.
In the course of surgery, since main channel outer surface and anchor tip lower surface and human body can not necessarily generate tightly
Close fitting, is revealed in order to prevent, and the present embodiment lane device further includes a sealing element 3, and sealing element 3 is single-revolution body, and by
Deformable material is made, such as silica gel, gel etc., makes it have biggish deformation nature, entire 2 shape of sealing element is at funnel
Shape, sealing element 2 include the inner surface and the outer surface, and inner surface has the first inner surface 21 and the second inner surface 22, the first inner surface
21 are bonded with the outer surface of main channel 4, the internal diameter of the first inner surface 21 in its natural state be less than 4 outer diameter of main channel, therefore
When sealing element is assembled to main channel, the first inner surface 21 has radial pressure to the outer surface of main channel 4, to increase airtight
Property, the second inner surface 22 is then bonded with the lower surface of anchor tip 3 in the course of surgery.When main channel 4 enters human body, sealing
Part 2 deforms in the case where being subject to external force, the first inner surface 21 and the second inner surface 22 respectively with 4 outer surface of main channel
It is sufficiently bonded with 3 lower surface of anchor tip;Skin attachement around at the outer surface 23 of sealing element 3 and body openings, thus shape
At enough air-tightness.It is set as inclining greater than the lower surface of anchor tip 3 in tilt angle the present embodiment of second inner surface 22
Rake angle, such sealing element 2 are easier to wrap up the lower surface of fitting fixing head.It is each to adapt in order to generate enough deformation
Kind various sizes of main channel contact surface, to keep air-tightness, the magnification range of the material of sealing element 3 may be selected to be for
150% to 1000%, it is preferred that be 200% in the present embodiment, can be 500%, 800% in other embodiments, thus may be used also
It is installed on main channel 4 with generating enough tensile deformations.In addition, the outer diameter of main channel can be different size size
So that different surgery situations are selected, preferably specification can be selected as 3-5 kind, and the outer diameter of main channel selects in 10mm-100mm
It selects.The size of sealing element is fixed, when the main channel of sealing element and different size channel components assembles, the first inner surface of sealing element
Keep being bonded with main channel outer surface.Such as three kinds of specifications are selected as, main channel outer diameter is respectively 30mm, 45mm, 50mm, close
2 inner surface size of sealing is 28mm in its natural state, since it is 200% with magnification, can be separately mounted to
When on the main channel of these three specifications, the first inner surface 21 keeps being bonded with 4 outer surface of main channel.
In the case where being not provided with sealing element, the distance that channel enters human body depends on the lower surface of anchor tip;It is different
The length of the main channel 4 of the channel components of specification is identical, and 4 length of main channel is 35mm in the present embodiment, and other embodiments are optional
For 20-60mm, when being equipped with sealing element 2, the distance that channel enters human body depends on the lower surface of sealing element 2, with the present embodiment
For, sealing element 2 under the compressive state of surgical procedure with a thickness of 5mm, therefore when being arranged with a sealing element 2, main channel 4
It is that 35mm subtracts 5mm, i.e. 30mm that depth, which can be entered,.When needing to enter depth is 20mm, it is arranged three sealing elements 2.It is close
The size of the compressive state in the course of surgery of sealing 2 is also chosen as 3-8mm.
Air-tightness and mounting stability in order to further increase can also be in the lower surfaces of anchor tip 3 in the present embodiment
It is along the circumferential direction equipped with annular projection, the second inner surface 22 of sealing element 2 is equipped with opposite with the protrusion of 3 lower surface of anchor tip
In annular recess.The outer surface of sealing element 2 be additionally provided with and annular recess relative to annular projection, so as to multiple sealing elements 2
(protrusion and groove are not shown in the figure) is matched when superposition.
In addition, stability of channel in order to further increase, in the present embodiment, the outer surface of sealing element 2 has viscosity, realizes
Mode can be sealing element 2 as cohesive material, in other embodiments, coat one layer of viscoid in seal outer surface,
Such as the glue etc. harmless to human epidermal.
As described above, we are illustrated fully according to spirit of the invention, but the present invention is not limited to above-mentioned reality
Apply example and implementation method.The practitioner of correlative technology field can carry out different in the range of technical idea of the invention is permitted
Variation and implementation.
Claims (13)
1. a kind of operation path device with good air-tightness, it is characterised in that: described logical including channel components and sealing element
Road component includes anchor tip, main channel, anticreep flange, the main channel be located at the anchor tip and the anticreep flange it
Between, and the main channel outer diameter is less than the outer diameter of the anchor tip and the anticreep flange, the sealing element is single-revolution body
And be made of deformable material, the sealing element inner surface has the first inner surface and the second inner surface, first inner surface
It is bonded with the outer surface of the main channel, first inner surface has radial pressure to the outer surface of the main channel.
2. a kind of operation path device with good air-tightness according to claim 1, it is characterised in that: described second
The tilt angle of inner surface is more than or equal to the lower surface tilt angle of the anchor tip.
3. a kind of operation path device with good air-tightness according to claim 1, it is characterised in that: the sealing
Part can slide axially along the main channel.
4. a kind of operation path device with good air-tightness according to claim 1, it is characterised in that: the sealing
Part outer surface is made of cohesive material;Or the seal outer surface has viscous layer.
5. a kind of operation path device with good air-tightness according to claim 1, it is characterised in that: the sealing
The second inner surface of part has groove, and the anchor tip lower surface is flat surface or has and second inner surface of sealing element
The protrusion or groove that groove matches.
6. a kind of operation path device with good air-tightness according to claim 1, it is characterised in that: the sealing
The second inner surface of part has protrusion, and the anchor tip lower surface is flat surface or has and second inner surface of sealing element
The groove that protrusion matches.
7. a kind of operation path device with good air-tightness according to claim 1, it is characterised in that: the master is logical
The mountable more than one sealing element on road, each institute's sealing element can mount and dismount respectively from channel components.
8. a kind of operation path device with good air-tightness according to claim 7, it is characterised in that: the anticreep
Flange is deformable material, installs or is detached from for the sealing element after the anticreep flange deformation.
9. a kind of operation path device with good air-tightness according to claim 7, it is characterised in that: the fixation
When connector and the main channel split settings, anchor tip and main channel disengage, the sealing element is mountable or is detached from.
10. a kind of operation path device with good air-tightness according to claim 7, it is characterised in that: described close
Second inner surface of sealing has a groove, the outer surface of the sealing element be flat surface or have in the sealing element second
The protrusion or groove that surface groove matches.
11. a kind of operation path device with good air-tightness according to claim 7, it is characterised in that: described close
Second inner surface of sealing has a protrusion, the outer surface of the sealing element be flat surface or have in the sealing element second
The groove that surface bulge matches.
12. a kind of operation path device with good air-tightness according to claim 1, it is characterised in that: described close
The draw ratio range of sealing is 120% to 1000%.
13. a kind of operation path device with good air-tightness according to claim 1, it is characterised in that: described logical
Road component has plurality of specifications, and the main channel outer diameters of the channel components of different size is different, the sealing element with not
Channel components described in same specification main channel assembling when, first inner surface of the sealing element with the main channel appearance
Face keeps fitting.
Priority Applications (1)
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CN201810948530.7A CN109009263A (en) | 2018-08-20 | 2018-08-20 | A kind of operation path device with good air-tightness |
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CN201810948530.7A CN109009263A (en) | 2018-08-20 | 2018-08-20 | A kind of operation path device with good air-tightness |
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CN201810948530.7A Withdrawn CN109009263A (en) | 2018-08-20 | 2018-08-20 | A kind of operation path device with good air-tightness |
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US20100249525A1 (en) * | 2009-03-31 | 2010-09-30 | Ethicon Endo-Surgery, Inc. | Devices and methods for providing access into a body cavity |
CN101999912A (en) * | 2010-12-11 | 2011-04-06 | 威海威高齐全医疗设备有限公司 | Multi-cavity single-hole operation channel |
CN202755083U (en) * | 2012-09-04 | 2013-02-27 | 苏州勤堡精密机械有限公司 | Plugging tool used in electrophoretic painting |
CN207666392U (en) * | 2017-06-28 | 2018-07-31 | 盛纪(上海)家居用品有限公司 | A kind of non-threaded sealed cup cover |
CN207706389U (en) * | 2018-01-08 | 2018-08-07 | 厦门新声科技有限公司 | General ear-drum head |
CN209203356U (en) * | 2018-08-20 | 2019-08-06 | 苏州法兰克曼医疗器械有限公司 | A kind of operation path device with good air-tightness |
-
2018
- 2018-08-20 CN CN201810948530.7A patent/CN109009263A/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100249525A1 (en) * | 2009-03-31 | 2010-09-30 | Ethicon Endo-Surgery, Inc. | Devices and methods for providing access into a body cavity |
CN101999912A (en) * | 2010-12-11 | 2011-04-06 | 威海威高齐全医疗设备有限公司 | Multi-cavity single-hole operation channel |
CN202755083U (en) * | 2012-09-04 | 2013-02-27 | 苏州勤堡精密机械有限公司 | Plugging tool used in electrophoretic painting |
CN207666392U (en) * | 2017-06-28 | 2018-07-31 | 盛纪(上海)家居用品有限公司 | A kind of non-threaded sealed cup cover |
CN207706389U (en) * | 2018-01-08 | 2018-08-07 | 厦门新声科技有限公司 | General ear-drum head |
CN209203356U (en) * | 2018-08-20 | 2019-08-06 | 苏州法兰克曼医疗器械有限公司 | A kind of operation path device with good air-tightness |
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Application publication date: 20181218 |
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