CN209678461U - Alimentary canal sampling capsule - Google Patents
Alimentary canal sampling capsule Download PDFInfo
- Publication number
- CN209678461U CN209678461U CN201920051118.5U CN201920051118U CN209678461U CN 209678461 U CN209678461 U CN 209678461U CN 201920051118 U CN201920051118 U CN 201920051118U CN 209678461 U CN209678461 U CN 209678461U
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- Prior art keywords
- sampling
- injection port
- alimentary canal
- storehouse
- thief hatch
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- 238000005070 sampling Methods 0.000 title claims abstract description 143
- 239000002775 capsule Substances 0.000 title claims abstract description 90
- 238000002347 injection Methods 0.000 claims abstract description 68
- 239000007924 injection Substances 0.000 claims abstract description 68
- 239000000463 material Substances 0.000 claims abstract description 26
- 230000009471 action Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 22
- 230000033001 locomotion Effects 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 description 36
- 230000006872 improvement Effects 0.000 description 14
- 210000001035 gastrointestinal tract Anatomy 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 210000000813 small intestine Anatomy 0.000 description 4
- 210000002784 stomach Anatomy 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000001079 digestive effect Effects 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 2
- 210000000936 intestine Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 240000007817 Olea europaea Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- ZUAAPNNKRHMPKG-UHFFFAOYSA-N acetic acid;butanedioic acid;methanol;propane-1,2-diol Chemical compound OC.CC(O)=O.CC(O)CO.OC(=O)CCC(O)=O ZUAAPNNKRHMPKG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 210000002249 digestive system Anatomy 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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- Endoscopes (AREA)
Abstract
A kind of alimentary canal sampling capsule, including capsule shells and the sampling storehouse being set in capsule shells, the capsule shells are equipped with thief hatch, the sampling storehouse is equipped with injection port, the injection port and the selectable contraposition of thief hatch or dislocation, it further include the driving assembly being set in capsule shells, the injection port is blocked by dissolved material, the driving component drives the injection port or the thief hatch to be converted between two states relative to the sampling storehouse, in first state, the thief hatch and the injection port misplace；In the second state, the thief hatch and the injection port are aligned, and the dissolved material contacts sample and dissolves under the action of sample and sampled so that the injection port is connected.The alimentary canal sampling capsule of the utility model is sampled the mode combined using main passive triggering, can accomplish precisely to sample, improve the success rate of sampling.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of alimentary canal sampling capsules.
Background technique
Alimentary canal sampling capsule has become the effective of disease of digestive tract diagnosis due to its high reliability, high security at present
Equipment receives the highly recognition of International Medical instrument field.Alimentary canal sampling capsule has camera unit, data processing unit
And wireless transmission unit etc., by being swallowed from mouth by examinee, can during passing through alimentary system to stomach or
The organs such as intestines are shot, and send external reception device by wireless transmission for photographing information, these information are connect by outside
Receiving apparatus receives, and then shows on the display device.No pain, hurtless measure human gastrointestinal tract wriggling state under, medical care people
Member can carry out the diagnosis of enterogastric diseases according to the image of display on the display device to examinee.
In addition, alimentary canal sampling capsule can also be acquired the fluid sample of the organs such as stomach or intestines, for subsequent
Detection, to carry out the diagnosis of enterogastric diseases to examinee.Current some alimentary canal sampling capsules, use some special materials
The sampling cavity in capsule is clogged, in specific digestive juice, these plugs degradation, so that external substance is sucked sampling cavity.It should
Degradation material is utilized as sampling triggering in item design, the disadvantage is that: first, passive triggering samples, and samples opportunity controllability
Difference.By taking small intestine acquires as an example, after capsule enters small intestine, plug begins to gradually dissolve, and sampling action starts.Therefore it can only
It is acquired in small intestine front end, the sample of small intestine posterior segment can not be collected.Although can be postponed by way of thickening plug
The generation of sampling, but still be difficult to estimate the sampling time, it can not active control；Second, thieff hatch cannot be again switched off after opening,
Sample is easy leakage or is polluted by alimentary canal downstream substrates.
In view of this, it is necessary to provide a kind of improved alimentary canal sampling capsules, to solve the above technical problems.
Utility model content
The purpose of this utility model is to provide a kind of alimentary canal sampling capsules, can accurately control sampling opportunity, mention
Height sampling validity.
To realize above-mentioned purpose of utility model, the utility model provide a kind of alimentary canal sampling capsule, including capsule shells with
And it is set to the sampling storehouse in capsule shells, the capsule shells are equipped with thief hatch, and the sampling storehouse is equipped with injection port, the sample introduction
Mouth and the selectable contraposition of thief hatch or dislocation, further include the driving assembly being set in capsule shells, the injection port is by dissolving
Material blocks, and the driving component drives the injection port or the thief hatch relative to the sampling storehouse between two states
It is converted, in first state, the thief hatch and the injection port misplace；In the second state, the thief hatch and it is described into
The contraposition of sample mouth, the dissolved material contact sample and dissolve under the action of sample and sampled so that the injection port is connected.
As the further improvement of one embodiment of the utility model, the sampling storehouse is configured to vacuum warehouse.
As the further improvement of one embodiment of the utility model, the capsule shells include main casing and are set to master
The shell of hull outside, the thief hatch are set on the shell, and the driving component drives the shell movement so that institute
It states thief hatch and injection port contraposition or misplaces.
As the further improvement of one embodiment of the utility model, the Shell structure is to have magnetic shell, institute
Stating driving assembly includes magnetic part and the power unit for driving magnetic part movement, and shell is transported under the magnetic action of magnetic part
It is dynamic.
As the further improvement of one embodiment of the utility model, described intracorporal one end of main casing forms the sampling
Storehouse, the intracorporal other end of main casing, which is formed, accommodates storehouse, and the driving component is arranged in the receiving storehouse, and the shell is arranged
The main casing outside and be located at sampling storehouse and accommodate storehouse between.
As the further improvement of one embodiment of the utility model, the outside of the main casing is equipped with limiting slot, described
Shell is installed in limiting slot and in the range of limiting slot limits along the axial movement of main casing.
As the further improvement of one embodiment of the utility model, the outside of the main casing is equipped with limiting slot, described
Shell is installed on the axial-rotation in limiting slot and surrounding main casing.
As the further improvement of one embodiment of the utility model, the sampling storehouse connects sampling channel, the sampling
Channel is configured to conduction pipe, and the outlet of the conduction pipe and the sampling storehouse are in fluid communication, and the access of the conduction pipe is
The injection port.
As the further improvement of one embodiment of the utility model, the driving component drive conduction pipe movement with
The thief hatch and the injection port is set to align or misplace.
As the further improvement of one embodiment of the utility model, the alimentary canal sampling capsule further includes being set to glue
In softgel shell with the relatively-stationary closeouts of the conduction pipe, the driving component by the closeouts closure thief hatch or
Person drives the conduction pipe to align injection port and thief hatch.
As the further improvement of one embodiment of the utility model, the dissolved material is configured to solvable plug, described
Solvable plug is set to the injection port.
As the further improvement of one embodiment of the utility model, the sampling storehouse is equipped with sealing cover, the conduction pipe
Outlet be connected to across the sealing cover with the sampling storehouse.
As the further improvement of one embodiment of the utility model, the conduction pipe along main casing axially with respect to
The sealing cover is mobile.
As the further improvement of one embodiment of the utility model, the conduction pipe around main casing axially with respect to
The sealing cover rotation.
As the further improvement of one embodiment of the utility model, the driving component includes micro machine and transmission dress
It sets, magnetic spring assembly and external trigger magnetic field, shape memory member and heating element, electromagnetism to shape memory member heating
Coil and one of the permanent magnet moved under the action of electromagnetic coil.
Compared with prior art, the utility model has the beneficial effects that: the alimentary canal sampling capsule of the utility model, is adopted
The mode combined is sampled with main passive triggering, the first order gate for opening or closing thief hatch is touched according to user's control or program
Hair, opportunity controllable precise cooperate the stationkeeping ability of sensor, can accomplish precisely to sample.Thief hatch is passive to the perforation of sampling storehouse
Gate uses special material, is triggered according to alimentary canal biochemical environment, avoids absorbing when sampling in a manner of passive triggering a large amount of
Air improves the success rate of sampling.After sampling, sampling storehouse can active control close again, prevent sample leakage and contaminated.It is molten
Solution material can select soluble in the stomach or enteric material as needed；Use vacuum tank as sampling pool and power source, container is independent, just
In processing such as disinfection, samplings, and structure is simple, saves space；System drive component alternative scheme is more, flexible design.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the alimentary canal sampling capsule of the preferred first embodiment of the utility model, at this time thief hatch
It is in close state；
Fig. 2 is the thief hatch of the alimentary canal sampling capsule in Fig. 1 schematic diagram in the open state；
Fig. 3 is a kind of section view of driving assembly of the alimentary canal sampling capsule of the preferred first embodiment of the utility model
Figure；
Fig. 4 is the operation principle schematic diagram of the driving assembly in Fig. 3；
Fig. 5 is the cross-sectional view of the alimentary canal sampling capsule of the preferred second embodiment of the utility model, at this time thief hatch
It is in close state；
Fig. 6 is the schematic cross-sectional view in Fig. 5 along line A-A；
Fig. 7 is the cross-sectional view of the alimentary canal sampling capsule of the preferred third embodiment of the utility model.
Specific embodiment
The utility model is described in detail below with reference to specific embodiment shown in the drawings.But these embodiment party
Formula is not intended to limit the utility model, structure that those skilled in the art are made according to these embodiments, method or
Transformation functionally is all contained in the protection scope of the utility model.
Shown in referring to Figures 1 and 2, in the preferred first embodiment of the utility model, alimentary canal sampling capsule 100 is whole
Length is within 30mm, and preferred length is less than or equal to 27mm, and diameter is within 12mm.Alimentary canal sampling capsule 100 includes glue
Softgel shell and the sampling storehouse 102 being set in capsule shells, sampling storehouse 102 can be formed by least part of capsule shells, or
It is also possible to the independent warehouse being set in capsule shells.Preferred in the present embodiment, sampling storehouse 102 is a vacuum tank,
Sample before sampling is vacuum environment inside storehouse 102, it may also be said to sample storehouse 102 and be configured to vacuum warehouse, volume is more than or equal to
0.3mL, enough samples can be acquired.The inside location roughly halfway up of capsule shells is equipped with sealing cover 103, sealing cover 103
It is fixed with capsule shells, the inner space of capsule shells is divided into two parts by sealing cover 103, wherein sealing cover 103 and capsule shells
The space that side is formed is to sample storehouse 102, and the space of the other side can be used for accommodating other elements.Fixed sealing cover is set
103 with the vacuum in holding sampling storehouse 102.
Wherein, capsule shells are equipped with thief hatch 104, and sampling storehouse 102 has injection port, and injection port and thief hatch 104 are optional
The contraposition or dislocation selected.Here contraposition refers to that the position of injection port and thief hatch 104 is corresponding to allow alimentary canal to sample glue
Sample outside capsule enters injection port from thief hatch 104；Dislocation refers to that the position of injection port and thief hatch 104 is staggered to limit
Sample outside alimentary canal sampling capsule enters injection port from thief hatch 104, that is, allows or limited samples mouth 104 arrives injection port
It is in fluid communication.It certainly, is not that thief hatch 104 and injection port contraposition can be achieved with thief hatch 104 and connect to the fluid in sampling storehouse 102
Logical, injection port is blocked by dissolved material, that is to say, that when injection port and thief hatch 104 align, outside alimentary canal sampling capsule
Sample is allowed to enter from thief hatch 104, so that dissolved material touches sample and dissolves under the action of sample, then sample introduction
Mouth conducting is sampled under the pull of vacuum effect in sampling storehouse 102.
Further, alimentary canal sampling capsule further includes the driving assembly being set in capsule shells, injection port and thief hatch
104 contraposition or dislocation realizes that in the present embodiment, driving assembly drives thief hatch 104 relative to sampling by driving assembly
Storehouse 102 is converted between two states, and in first state, thief hatch 104 and injection port misplace, i.e. the sampling of limitation alimentary canal
Sample outside capsule enters injection port from thief hatch 104；In the second state, thief hatch 104 and injection port are aligned, that is, allow to disappear
Change the sample outside road sampling capsule and enter injection port from thief hatch 104, dissolved material contacts sample and under the action of sample
Dissolution is sampled so that injection port is connected.When not sampled, thief hatch 104 is staggered with injection port, so that dissolved material is not
It is contacted with alimentary canal substance, so that sampling storehouse 102 be kept to seal.In addition, being equipped with sampling between sampling storehouse 102 and thief hatch 104
Channel, sampling channel are configured to conduction pipe 107, and dissolved material is set in conduction pipe 107, and conduction pipe 107 passes through sealing cover 103
Be connected to sampling storehouse 102, conduction pipe 107 also cross capsule shells with thief hatch 104 is selectable is connected to.Therefore, conduction pipe
Any position in 107 can be configured to injection port, and dissolved material can be structured as solvable plug 108, and conduction pipe 107 goes out
Mouth passes through sealing cover 103 and is connected to sampling storehouse 102 towards 103 side of sealing cover, and the injection port of conduction pipe 107 is by soluble plug
Son 108 blocks, and keeping sampling storehouse 102 is vacuum.Solvable plug 108 is made of dissolved material, only in specific digestive tract environment
Dissolution in (pH, enzyme etc.), such as when needing alimentary canal sampling capsule to carry out enteron aisle sampling, solvable plug uses enteric material system
At, such as acrylic resin, HPMCAS.It is of course also possible to be not provided with conduction pipe, for example injection port, injection port is arranged in sampling storehouse
Position match with thief hatch.
Specifically, in the present embodiment, capsule shells include main casing 106 and the shell that is set to outside main casing 106
105, thief hatch 104 is set on shell 105, and driving assembly drives shell 105 to move relative to main casing 106 so that thief hatch
104 align or misplace with injection port.In this way, the load of driving assembly is smaller, power demand is lower, so as to realize alimentary canal
Sampling capsule more minimizes.Preferably, shell 105 is configured with magnetic shell, driving assembly include magnetic part 109 with
And the power unit 110 for driving magnetic part 109 to move, shell 105 move under the magnetic action of magnetic part 109.Wherein, shell
105 can be also possible to be embedded in magnetic element on the shell, so that shell can quilt directly by constituting containing magnetic material
Magnetic part 109 attracts.One end in main casing 106 forms sampling storehouse 102, and the other end in main casing 106, which is formed, accommodates storehouse, drives
Dynamic component setting is accommodating in storehouse, and shell 105 is set in the outside of main casing 106 and be located at sampling storehouse 102 and accommodate storehouse it
Between.Preferably, the outside of main casing 106 is equipped with limiting slot 114, and shell 105 is installed in limiting slot 114, i.e., 105 sets of shell exists
In limiting slot 114, so that shell 105 matches with 106 global shape of main casing, so that capsule shells have a smooth appearance
Face.Shell 105 and main casing 106, which can be fitted close, to be played the role of closed, but shell 105 can be axial along main casing 106
Sliding.Magnetic part 109 links together with power unit 110, and power unit 110 can drive magnetic part 109 to adopt along alimentary canal
The axial linear movement of sample capsule, so that shell 105 be driven to slidably reciprocate.By the way that shell 105 to be arranged to have magnetic side
Formula, driving assembly can drive lesser shell 105 to move, and play the work for opening and closing the first order gate of thief hatch 104
With, and do not need to be mechanically connected between shell 105 and magnetic part 109, avoid the risk of leak.
In addition, being additionally provided with circuit unit 111 and connection circuit unit in the receiving storehouse 102 of alimentary canal sampling capsule
111 sensor 112, circuit unit 111 may include battery, processor, wireless communication module etc., and sensor 112 is for monitoring
Digestive tract environment can play the role of positioning.Specific sensor can be camera, pH sensor, pressure sensor, ultrasound
Probe etc..
As shown in Fig. 2, showing status diagram of the alimentary canal sampling capsule in sampling.When power unit 110 drives
For magnetic part 109 axially after right movement, magnetic part 109 attracts the magnetic shell 105 of tool to slide to the right, makes thief hatch 104
It is aligned with import, that is, injection port of conduction pipe 107, so that solvable plug 108 be made to contact with digestive tract environment.At this point, if solvable
Plug 108 is immersed in gastral fluid sample, then solvable plug 108 can gradually dissolve, and the sample materials such as digestive juice will be
It is inhaled into sampling storehouse 102 under the pull of vacuum effect in sampling storehouse 102.If the solvable exposure of plug 108 is in air, solvable
Plug 108 will not dissolve, and can avoid a large amount of absorption air.After sampling, power unit 110 drives magnetic part 109 to moving to left
Dynamic, so that the magnetic shell 105 of tool be driven to slide to the left, thief hatch 104 is staggered with injection port, realizes closing.
In addition, being a kind of specific implementation of driving assembly in the present embodiment, such as Fig. 3 institute refering to shown in Fig. 3 and Fig. 4
Show, driving assembly is magnetic spring assembly, the opening and closing of thief hatch 104 is realized by magnetic spring assembly, which is not required to
Special circuit control is set in capsule, external equipment is needed to assist, i.e., under the control of external magnetic field, complete dynamic
Make.Specifically, magnetic spring assembly includes: the first permanent magnet 115 and the second permanent magnet 116 of axial alignment setting, wherein first
Permanent magnet 115 and the second permanent magnet 116 are the magnet ring of radial magnetizing；Limit guide rail 125 cooperates with the first permanent magnet 115, makes
First permanent magnet 115 can only be axially moveable, cannot be along axial-rotation；It is arranged the first permanent magnet 115 and the second permanent magnet 116
Axis 120；The first permanent magnet of distance 115 is provided with limiter 121 close to the side of conduction pipe 107, for limiting the first permanent magnet
115 move axially in preset range；The backstop apparatus 126 of second permanent magnet, 116 two sides is set, for limiting the second permanent magnetism
The axial movement of iron 116 makes it can only be around axial-rotation.
As shown in figure 4, being the working principle of magnetic spring assembly.When external magnetic field effect, for example, large-scale permanent magnet 150 by
It is gradually close, at this point, the second permanent magnet 116 is rotated, so as to cause the first permanent magnet 115 and second due to magnetic fields around axis 120
Repulsive force is generated between permanent magnet 116, since the second permanent magnet 116 can not move axially, then pushes the first permanent magnet 115 remote
It is moved axially from 116 direction of the second permanent magnet, and then shell 105 is driven to slide, align thief hatch 104 and injection port, thus
Starting sampling.When removing external magnetic field, i.e., when large-scale permanent magnet 150 is gradually distance from, the second permanent magnet 116 is in the first permanent magnet
It is rotated under 115 magnetic fields around axis 120, restores state shown in Fig. 3, at this point, the first permanent magnet 115 and the second permanent magnet
Attraction is generated between 116, since the second permanent magnet 116 can not move axially, the first permanent magnet 115 is by the second permanent magnet 116
Attraction is axially moveable, and then shell 105 is driven to slide, and so that thief hatch 104 and injection port is misplaced, to terminate to sample.
Magnetic spring assembly recited above is a kind of design scheme of driving assembly, realizes the driving assembly of linear motion
Also there are many design schemes, such as using shape memory member (heating deformation, temperature restore after restoring) and to shape memory member
The heating element of heating, micro machine and transmission system, voice coil motor (directly generation straight-line displacement), electromagnetic coil and in electromagnetic wire
The permanent magnet etc. moved under the action of circle, for example the solenoid to move along a straight line is generated using electromagnetic action.The application does not limit to
In the implementation of a certain driving assembly, any structure that can control and realize linear motion based on external signal
With application.
In the present embodiment, alimentary canal sampling capsule is by the way of pusher, actively triggering sampling, and utilizes solvable plug
108 realize passive triggering sampling.The mode that this master passively combines can also be effectively while accurately control sampling opportunity
It avoids absorbing large quantity of air, improves sampling success rate.Sampling storehouse 102, i.e. a component (vacuum tank) are done using vacuum tank
It realizes sample storage and sampling two functions of power is provided, ensure that the independence in sampling storehouse, improve the rate of sampling, again
Save space.
Referring to figure 5 and figure 6 shown in, in the preferred second embodiment of the utility model, alimentary canal sampling capsule 200 it is whole
Body construction is roughly the same with first embodiment, and alimentary canal sampling capsule 200 equally including main casing 206 and is sheathed on main casing
The shell 205 in limiting slot 214 on 206, main casing interior setting sampling storehouse 202, sampling storehouse 202 is sealed by sealing cover 203, is led
Siphunculus 207 passes through sealing cover 203 and is connected to sampling storehouse 202, and the import of conduction pipe 207 is sealed by solvable plug 208.Driving assembly
It is set in main casing 206 comprising power unit 210 and the magnetic part 209 driven by power unit 210, shell 205 are same
Sample is configured with magnetic shell, the difference is that shell 205 is configured to the axial-rotation around capsule shells, that is, passes through shell
205 modes rotated relative to main casing 206 make thief hatch 204 and injection port align or misplace.Specifically, power unit 210
Drive magnetic part 209 to rotate, so that the magnetic shell 205 of tool be driven to rotate, when on shell 205 thief hatch 204 with
After import alignment on conduction pipe 207, solvable plug 208 is contacted with digestive tract environment, starts to sample after dissolving.Wherein, In
When closed state, that is, non-sampled state, import, that is, injection port on thief hatch 204 and conduction pipe 207 is along the circumferential wrong of capsule shells
It opens.Similarly, driving assembly also has several implementations, such as micro machine, shape memory member, magnetic torsional spring.
Referring to shown in Fig. 7, in the preferred third embodiment of the utility model, alimentary canal sampling capsule 300 includes capsule
Shell and the sampling storehouse 302 being set in capsule shells, capsule shells include main casing 306, and thief hatch 304 is set to main casing 306
On, sampling storehouse 302 is equipped with injection port, injection port and the selectable contraposition of thief hatch 304 or dislocation.Wherein, injection port is by solvable
Plug 308 blocks.Driving assembly is also equipped in main casing 306, driving assembly drives injection port relative to sampling storehouse 302 at two
It is converted between state, in first state, thief hatch 304 and injection port misplace；In the second state, thief hatch 304 and sample introduction
Mouth contraposition, dissolved material contact sample and dissolve under the action of sample and sampled so that injection port is connected.It is main in the present embodiment
It is again provided with the conduction pipe 307 across sealing cover 303 in shell 306, there can be several thief hatch 304 on main casing 306, with
Injection port on conduction pipe 307 is corresponding.Wherein, driving assembly includes power unit 310 and the closeouts for connecting power unit
309, closeouts 309 are connect with conduction pipe 307, so that power unit 310 drives closeouts 309 and conduction pipe 307 to move together,
The movement of closeouts 309 can be axial movement or around axial-rotation.Wherein, closeouts 309 connect with survey in main casing 306
Contacting surface is to be fitted close, and plays the role of sealing, but does not influence movement of the closeouts 309 relative to capsule shells.The present embodiment
In, thief hatch 304 is, power unit 310 drive closeouts 309, to drive conduction pipe fixed relative to main casing 306
307 axially slide or rotate, and so that thief hatch 304 and injection port is aligned or is misplaced, realize sampling and closed purpose.It is transporting
During dynamic, conduction pipe 307 is fitted close always with the contact surface through sealing cover 303, keeps sealing.
It should be noted that capsule shells are not limited to as shape as shown in the figure, can also in olive ball-type or other
Shape.In addition, the quantity of thief hatch and injection port can be one or more, sampling storehouse is also possible to one or more,
Either a corresponding sampling storehouse of injection port or the corresponding sampling storehouse of multiple injection ports.In addition, driving assembly is used
In with external control device is (not shown) cooperates, external control device can pass through wireless control driving assembly.
The alimentary canal sampling capsule of the utility model is sampled the mode combined using main passive triggering, opened or closed
The first order gate of thief hatch is triggered according to user's control or program, and opportunity controllable precise cooperates the stationkeeping ability of sensor, can
Accomplish precisely to sample.The passive gate of thief hatch to the perforation of sampling storehouse uses special material, is triggered according to alimentary canal biochemical environment,
It avoids absorbing a large amount of air when sampling in a manner of passive triggering, improves the success rate of sampling.After sampling, sampling storehouse can be actively
Control is closed again, is prevented sample leakage and is contaminated.Dissolved material can select soluble in the stomach or enteric material as needed；Using true
For empty container as sampling pool and power source, container is independent, and convenient for processing such as disinfection, samplings, and structure is simple, saves space；System
Driving assembly alternative scheme of uniting is more, flexible design.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model
Equivalent implementations or change should be included within the scope of protection of this utility model.
Claims (15)
1. a kind of alimentary canal sampling capsule is set in the capsule shells including capsule shells and the sampling storehouse being set in capsule shells
There is thief hatch, the sampling storehouse is equipped with injection port, the injection port and the selectable contraposition of thief hatch or dislocation, feature exist
In,
It further include the driving assembly being set in capsule shells, the injection port is blocked by dissolved material, and the driving component drives
The injection port or the thief hatch are converted between two states relative to the sampling storehouse, described in first state
Thief hatch and the injection port misplace；In the second state, the thief hatch and the injection port are aligned, the dissolved material contact
Sample and dissolving under the action of sample is sampled so that the injection port is connected.
2. alimentary canal sampling capsule according to claim 1, which is characterized in that the sampling storehouse is configured to vacuum warehouse.
3. alimentary canal sampling capsule according to claim 1, which is characterized in that the capsule shells include main casing and set
The shell being placed in outside main casing, the thief hatch are set on the shell, and the driving component drives the shell movement
So that the thief hatch and the injection port align or misplace.
4. alimentary canal sampling capsule according to claim 3, which is characterized in that the Shell structure is to have outside magnetic
Shell, the driving component include magnetic part and the power unit for driving magnetic part movement, magnetic action of the shell in magnetic part
Lower movement.
5. alimentary canal sampling capsule according to claim 3, which is characterized in that described intracorporal one end of main casing forms described
Storehouse is sampled, the intracorporal other end of main casing, which is formed, accommodates storehouse, and the driving component is arranged in the receiving storehouse, the shell
It is set in the outside of the main casing and is located at sampling storehouse and accommodates between storehouse.
6. alimentary canal sampling capsule according to claim 3, which is characterized in that the outside of the main casing is equipped with limit
Slot, the shell are installed in limiting slot and in the range of limiting slot limits along the axial movement of main casing.
7. alimentary canal sampling capsule according to claim 3, which is characterized in that the outside of the main casing is equipped with limit
Slot, the shell are installed on the axial-rotation in limiting slot and surrounding main casing.
8. alimentary canal sampling capsule according to claim 1, which is characterized in that the sampling storehouse connects sampling channel, institute
It states sampling channel and is configured to conduction pipe, the outlet of the conduction pipe and the sampling storehouse are in fluid communication, the import of the conduction pipe
It is configured to the injection port.
9. alimentary canal sampling capsule according to claim 8, which is characterized in that the driving component drives the conduction pipe
It moves so that the thief hatch and the injection port align or misplace.
10. alimentary canal sampling capsule according to claim 9, which is characterized in that the alimentary canal sampling capsule further includes
It is set in capsule shells and passes through described in closeouts closure with the relatively-stationary closeouts of the conduction pipe, the driving component
Thief hatch drives the conduction pipe to align injection port and thief hatch.
11. alimentary canal sampling capsule according to claim 8, which is characterized in that the dissolved material is configured to soluble plug
Son, the solvable plug are set to the injection port.
12. alimentary canal sampling capsule according to claim 8, which is characterized in that the sampling storehouse is equipped with sealing cover, described
The outlet of conduction pipe is connected to across the sealing cover with the sampling storehouse.
13. alimentary canal sampling capsule according to claim 12, which is characterized in that the conduction pipe along main casing axis
To relative to sealing cover movement.
14. alimentary canal sampling capsule according to claim 12, which is characterized in that the conduction pipe surrounds the axis of main casing
It is rotated to relative to the sealing cover.
15. alimentary canal sampling capsule according to claim 1, which is characterized in that the driving component include micro machine and
Transmission device, magnetic spring assembly and external trigger magnetic field, shape memory member and the heating unit to shape memory member heating
One of part, electromagnetic coil and the permanent magnet moved under the action of electromagnetic coil.
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| CN201920051118.5U CN209678461U (en) | 2019-01-11 | 2019-01-11 | Alimentary canal sampling capsule |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109497917A (en) * | 2019-01-11 | 2019-03-22 | 安翰科技(武汉)股份有限公司 | Alimentary canal sampling capsule |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109497917A (en) * | 2019-01-11 | 2019-03-22 | 安翰科技(武汉)股份有限公司 | Alimentary canal sampling capsule |
| CN109497917B (en) * | 2019-01-11 | 2024-12-13 | 安翰科技(武汉)股份有限公司 | Digestive tract sampling capsule |
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