CN206592636U - Check valve and medical instruments - Google Patents
Check valve and medical instruments Download PDFInfo
- Publication number
- CN206592636U CN206592636U CN201720252978.6U CN201720252978U CN206592636U CN 206592636 U CN206592636 U CN 206592636U CN 201720252978 U CN201720252978 U CN 201720252978U CN 206592636 U CN206592636 U CN 206592636U
- Authority
- CN
- China
- Prior art keywords
- valve body
- separator
- check valve
- shell
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000006835 compression Effects 0.000 claims abstract description 23
- 238000007906 compression Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000012780 transparent material Substances 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 11
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 4
- 229910052753 mercury Inorganic materials 0.000 claims description 4
- 239000003814 drug Substances 0.000 abstract description 21
- 238000006073 displacement reaction Methods 0.000 abstract description 7
- 239000011257 shell material Substances 0.000 description 33
- 239000000243 solution Substances 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003444 anaesthetic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model provides a kind of check valve and Medical Instruments, is related to the technical field of medicine equipment, and check valve includes valve body, shell and separator；Separator is slidably arranged in the inside of shell, and the inside of shell is divided into inlet chamber and compression chamber by separator；Inlet chamber is connected with the inner chamber of the valve body；The material of shell is transparent material.When being inflated using check valve, the gas outlet of check valve is connected with the medicine equipment for needing to inflate, gradually increase with the inner chamber air pressure of check valve valve body, separator is moved to compression cavity direction, because the material of shell is transparent material, user can judge the pressure of the inner chamber of valve body according to the displacement of separator, so as to judge to be filled with the pressure in medicine equipment.
Description
Technical field
The utility model is related to the technical field of medicine equipment, more particularly, to a kind of check valve and Medical Instruments.
Background technology
Check valve is also known as check-valves or non-return valve.For preventing oil stream reverse flow in hydraulic system, or for pneumatic
Compressed air reverse flow is prevented in system.
The check valve that uses on the market is mostly and is made up of valve body and valve element at present, be provided with valve body air inlet and
Gas outlet, valve element is arranged in the inner chamber of valve body close to one end of air inlet.In use, gas is passed through valve from air inlet
In body, the inner chamber that valve body is flowed into by valve element, finally discharged from gas outlet.In terms of medicine equipment, check valve is widely used in
Above the medicine equipments such as trachea cannula, catheter, laryngeal mask, anaesthetic mask.
In the prior art, when gas is passed through to medicine equipment by user by check valve, the inside of medicine equipment
Certain pressure can be produced, because the process of inflation is manual operation, user can not judge the pressure being filled with medicine equipment
Size.
Utility model content
The purpose of this utility model is to provide a kind of check valve and Medical Instruments, to solve present in prior art
When gas is passed through to medicine equipment by user by check valve, user can not judge that the pressure being filled with medicine equipment is big
Small technical problem.
The check valve that the utility model is provided, including valve body, shell and separator；Separator is slidably arranged in shell
The inside of shell is divided into inlet chamber and compression chamber by inside, separator；Inlet chamber is connected with the inner chamber of the valve body；Shell
Material is transparent material.
Further, shell is capillary, and the material of separator is mercury；Separator is abutted with the inwall of capillary.
Further, capillary is fixedly installed in the inner chamber of valve body；The material of valve body is transparent material.
Further, check valve also includes Data Identification；Data Identification is arranged on valve body or capillary；Separator energy
It is enough to be moved in the coverage of Data Identification.
Further, Data Identification is colour code；Colour code is arranged on the outer wall of valve body.
Further, Data Identification is scale strip；Scale strip is arranged on the outer wall of valve body.
Further, it is provided with magnifying glass on the outer wall of valve body.
Further, it is provided with neck on the inwall of valve body；Capillary is fastened in neck.
Further, the utility model additionally provides a kind of Medical Instruments, and Medical Instruments includes gas injection cylinder and check valve；Note
Inflator is connected with the air inlet of valve body.
Further, Medical Instruments also includes breather line and fastener；One end of breather line is connected with valve body, another
End is connected with gas injection cylinder；Fastener is used to valve body being fixedly connected with breather line.
The check valve that the utility model is provided, including valve body, shell and separator.In use, gas is from valve
The air inlet of body is passed through into the inner chamber of valve body, and a portion gas is discharged from the gas outlet of valve body, and another part enters outer
The inlet chamber of shell.Because compression chamber is closed cavity, when the air pressure in the inner chamber of valve body is identical with the air pressure of compression chamber, separate
Part is fixed；When the air pressure of inlet chamber gradually increases, the air pressure of inlet chamber is more than the air pressure of compression chamber, and separator is towards pressure
Slide in the direction of contracting chamber；When the air pressure of inlet chamber is gradually reduced, the air pressure of inlet chamber is less than the air pressure of compression chamber, separator court
Slide in the direction for inlet chamber.That is, when being inflated using check valve, by the gas outlet of check valve with needing the doctor of inflation
Apparatus connection is treated, is gradually increased with the inner chamber air pressure of check valve valve body, separator is moved to compression cavity direction, due to shell
Material is transparent material, and user can judge the pressure of the inner chamber of valve body according to the displacement of separator, so as to judge to fill
Enter the pressure in medicine equipment.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation for the check valve that Fig. 1 provides for the utility model embodiment；
The structural representation for the check valve that Fig. 2 provides for another embodiment of the utility model；
The structural representation for the check valve that Fig. 3 provides for the another embodiment of the utility model；
The structural representation for the Medical Instruments that Fig. 4 provides for the utility model embodiment.
Icon：1- valve bodies；2- shells；3- capillaries；4- separators；5- inlet chambers；6- compression chambers；7- Data Identifications；8-
Gas injection cylinder；9- breather lines；10- fasteners；11- valve elements；12- air inlets；13- gas outlets；71- colour codes；72- scale strips.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only
Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The structural representation for the check valve that Fig. 1 provides for the utility model embodiment；As shown in figure 1, the present embodiment is provided
Check valve, including valve body 1, shell 2 and separator 4；Separator 4 is slidably arranged in the inside of shell 2, and separator 4 will be outer
The inside of shell 2 is divided into inlet chamber 5 and compression chamber 6；Inlet chamber 5 is connected with the inner chamber of valve body 1；The material of shell 2 is transparent material
Matter.
Wherein, the shape of shell 2 can be to be a variety of, such as：Cylinder or cuboid etc..
Further, the mode of communicating of valve body 1 and shell 2 can be to be a variety of, such as：The inlet chamber 5 of shell 2 and valve body 1
Inner chamber can be connected by connecting tube；Or it is provided with opening on shell 2 and valve body 1, the inlet chamber 5 of shell 2 and valve body 1
Inner chamber passes through open communication.
Further, valve body 1 and shell 2 can be integral type, or split type；When valve body 1 and shell 2 are split
During formula, it is preferred that valve body 1 and shell 2 are detachably connected, this set being capable of convenient use person's replacing shell 2.
Further, the material of shell 2 can be to be a variety of, such as：Shell 2 can be plastics or glass etc..
Further, separator 4 can be sliding block.The outer wall of sliding block is abutted with the inwall of shell 2.In use,
Gas is passed through into the inner chamber of valve body 1 from the air inlet 12 of valve body 1, and a portion gas is discharged from the gas outlet 13 of valve body 1,
Another part enters to the inlet chamber 5 of shell 2.When the air pressure in the inner chamber of valve body 1 changes, sliding block can be produced with shell 2
Raw relative slip, because the material of shell 2 is transparent material, user can judge valve body 1 according to the displacement of sliding block
The pressure of inner chamber, i.e., from gas outlet 13 be filled with medicine equipment in pressure.
The check valve that the present embodiment is provided, including valve body 1, shell 2 and separator 4.In use, gas is from valve
The air inlet 12 of body 1 is passed through into the inner chamber of valve body 1, and a portion gas is discharged from the gas outlet 13 of valve body 1, another part
Into the inlet chamber 5 of shell 2.Because compression chamber 6 is closed cavity, when the air pressure in the inner chamber of valve body 1 and the air pressure of compression chamber 6
When identical, separator 4 is fixed；When the air pressure of inlet chamber 5 gradually increases, the air pressure of inlet chamber 5 is more than the gas of compression chamber 6
Pressure, separator 4 is slided towards the direction of compression chamber 6；When the air pressure of inlet chamber 5 is gradually reduced, the air pressure of inlet chamber 5 is less than pressure
The air pressure of contracting chamber 6, separator 4 is slided towards the direction of inlet chamber 5.That is, when being inflated using check valve, by check valve
Gas outlet 13 with need inflate medicine equipment connect, gradually increase with the inner chamber air pressure of check valve valve body 1, separator 4
Moved to the direction of compression chamber 6, because the material of shell 2 is transparent material, user can sentence according to the displacement of separator 4
The pressure of the inner chamber of disconnected valve body 1, so as to judge to be filled with the pressure in medicine equipment.
The structural representation for the check valve that Fig. 2 provides for another embodiment of the utility model；As shown in Fig. 2 in above-mentioned reality
Apply on the basis of example, further, shell 2 is capillary 3, and the material of separator 4 is mercury；Separator 4 is interior with capillary 3
Wall is abutted.
In the present embodiment, because the internal diameter of capillary 3 is smaller, liquid can produce capillary and show at the inside of capillary 3
As the i.e. difference due to cohesive force and adhesive force, liquid can overcome centrifugal force to rise or decline, and can so make separator
4 displacement is more accurate, makes user judge more accurate；Cohesive force between the atom of mercury is stronger, is more easy to occur capillary
Phenomenon.When being inflated using check valve, the gas outlet 13 of check valve is connected with the medicine equipment for needing to inflate, with list
Gradually increase to the inner chamber air pressure of valve body 1, separator 4 is moved to the direction of the compression chamber 6 of capillary 3, and user can root
The pressure of the inner chamber of valve body 1 is judged according to the displacement of separator 4, so as to judge to be filled with the pressure in medicine equipment.
As shown in Fig. 2 on the basis of above-described embodiment, further, capillary 3 is fixedly installed on the inner chamber of valve body 1
In；The material of valve body 1 is transparent material.
Wherein, valve element 11 should be provided with the inner chamber of valve body 1, valve element 11 should be located at the air inlet 12 of valve body 1.Using
During, gas enters from the air inlet 12 of valve body 1, is passed through by valve element 11 into the inner chamber of valve body 1.
Further, the material of valve body 1 can be to be a variety of, such as：Valve body 1 can be plastics or glass etc..
Further, the bottom wall of the bottom wall of valve body 1 and capillary 3 is integral type, and this set can make processing more convenient.
In the present embodiment, capillary 3 is fixedly installed in the inner chamber of valve body 1, and the material of valve body 1 is transparent material.It is this
Setting can reduce the volume of check valve, be more beneficial for user's operation.The material selection transparent material of valve body 1, which can make, to be used
Person sees the position of separator 4 clearly.
As shown in Fig. 2 on the basis of above-described embodiment, further, check valve also includes Data Identification 7；Data mark
Know 7 to be arranged on valve body 1 or capillary 3；Separator 4 can be moved in the coverage of Data Identification 7.
Wherein, it is preferred that Data Identification 7 is arranged on valve body 1, because the external diameter of capillary 3 is smaller, data sign is arranged on
It is unfavorable for user on capillary 3 to check, the external diameter of valve body 1 is larger, more conducively user sees Data Identification 7 clearly.
In the present embodiment, check valve also includes Data Identification 7.In use, when the air pressure in the inner chamber of valve body 1 is produced
During changing, separator 4 produces slip, and because separator 4 can be moved in the coverage of Data Identification 7, user can
With by observing the corresponding Data Identification 7 of the location of separator 4, to judge the size of air pressure.
As shown in Fig. 2 on the basis of above-described embodiment, further, Data Identification 7 is colour code 71；Colour code 71 is set
On the outer wall of valve body 1.
Wherein, the glide direction that colour code 71 can be two kinds or two or more colors along separator 4 is spliced.Example
Such as：Colour code 71 can be the glide direction splicing of green, yellow and red three kinds of colors along separator 4.When the inner chamber of valve body 1
In air pressure produce change when, separator 4 produce slip；When separator 4 slides into the position of green, show at air pressure size
In normal range (NR)；When separator 4 slides into yellow position, show that air pressure size is bigger than normal, it is necessary to which user controls gas injection in time
Amount；When separator 4 slides into red locations, show that air pressure size is excessive, user needs to stop in time noting into check valve
Gas.
In the present embodiment, in the present embodiment, colour code 71 is arranged on the outer wall of valve body 1.In use, when valve body 1
Inner chamber in air pressure produce change when, separator 4 can colour code 71 covering in the range of move, user can pass through observation
The corresponding colour code 71 of the location of separator 4, to judge the size of air pressure.The setting of colour code 71 more specific can point out to make
The scope of user's air pressure size, in case the pressure for causing to be filled with medicine equipment is excessive, it is ensured that the safety of patient.
The structural representation for the check valve that Fig. 3 provides for the another embodiment of the utility model；As shown in figure 3, in above-mentioned reality
Apply on the basis of example, further, Data Identification 7 is scale strip 72；Scale strip 72 is arranged on the outer wall of valve body 1.
In the present embodiment, scale strip 72 is arranged on the outer wall of valve body 1.In use, when in the inner chamber of valve body 1
When air pressure produces change, separator 4 can be moved in the range of the covering of scale strip 72, and user can be by observing separator 4
The corresponding calibration data in location, to judge the size of air pressure.The setting of scale strip 72 more specific can point out to use
The scope of person's air pressure size, in case the pressure for causing to be filled with medicine equipment is excessive, it is ensured that the safety of patient.
On the basis of above-described embodiment, further, magnifying glass is provided with the outer wall of valve body 1.
Wherein, the set location of magnifying glass can be to be a variety of, such as：Magnifying glass can be rotated with the outer wall of valve body 1 and is connected,
When user needs to observe the position of separator 4, magnifying glass can be rotated to the top for being placed in Data Identification 7, so as to user
Observation.
And for example：Magnifying glass can be fixedly connected on the position of corresponding data mark 7 on the outer wall of valve body 1, and this set can
Convenient use person observes the position of separator 4 at any time, simple to operate.
In the present embodiment, magnifying glass is provided with the outer wall of valve body 1.In use, magnifying glass can amplify separator 4
And the corresponding Data Identification 7 of separator 4, this set can convenient use person's observation understand the location of separator 4, from
And it is easy to user to judge the pressure size in the inner chamber of valve body 1.
On the basis of above-described embodiment, further, neck is provided with the inwall of valve body 1；Capillary 3 is fastened on card
In groove.
In the present embodiment, in use, capillary 3 can be fastened in neck by user, thus make capillary 3 with
Valve body 1 is fixedly connected.This set being capable of convenient use person's replacing capillary 3.
The structural representation for the Medical Instruments that Fig. 4 provides for the utility model embodiment；As shown in figure 4, in above-mentioned implementation
On the basis of example, further, the utility model additionally provides a kind of Medical Instruments, and Medical Instruments includes gas injection cylinder 8 and unidirectional
Valve；Gas injection cylinder 8 is connected with the air inlet 12 of valve body 1.
Wherein, connecting tube is provided between gas injection cylinder 8 and the air inlet 12 of valve body 1, one end and the gas injection cylinder 8 of connecting tube connect
Logical, the other end is connected with the air inlet 12 of valve body 1.This set can set gas injection cylinder 8 and check valve according to actual conditions
Distance, is easy to user to operate.
In the present embodiment, Medical Instruments includes gas injection cylinder 8 and check valve.In use, gas injection cylinder 8 is from valve body 1
Air inlet 12 is passed through into the inner chamber of valve body 1, and a portion gas is discharged from the gas outlet 13 of valve body 1, and another part enters
The inlet chamber 5 of shell 2.Because compression chamber 6 is closed cavity, when the air pressure in the inner chamber of valve body 1 is identical with the air pressure of compression chamber 6
When, separator 4 is fixed；When the air pressure of inlet chamber 5 gradually increases, the air pressure of inlet chamber 5 is more than the air pressure of compression chamber 6,
Separator 4 is slided towards the direction of compression chamber 6；When the air pressure of inlet chamber 5 is gradually reduced, the air pressure of inlet chamber 5 is less than compression
The air pressure of chamber 6, separator 4 is slided towards the direction of inlet chamber 5.That is, when being inflated using check valve, by check valve
Gas outlet 13 with need inflate medicine equipment connect, gradually increase with the inner chamber air pressure of check valve valve body 1, separator 4 to
The direction of compression chamber 6 is moved, and because the material of shell 2 is transparent material, user can judge according to the displacement of separator 4
The pressure of the inner chamber of valve body 1, so as to judge to be filled with the pressure in medicine equipment.
As shown in figure 4, on the basis of above-described embodiment, further, Medical Instruments also includes breather line 9 and fastening
Part 10；One end of breather line 9 is connected with valve body 1, and the other end is connected with gas injection cylinder 8；Fastener 10 is used for valve body 1 and ventilation
Pipeline 9 is fixedly connected.
Wherein, the type of fastener 10 can be to be a variety of, such as：Fastener 10 can be retainer ring, breather line 9 and valve
It can be set to have to can be set on external screw thread, the inwall of retainer ring on body 1 and have the internal thread being engaged with external screw thread.Using process
In, user can be by breather line 9 and the precession retainer ring of valve body 1, so that breather line 9 is fixedly connected with valve body 1.
And for example, fastener 10 can also be buckle.Buckle is arranged on the outer wall of breather line 9, can on the inwall of valve body 1
It is provided with the neck being engaged with buckle.In use, valve body 1 is set in the upper of breather line 9, buckle card by user
It is located in neck, so that valve body 1 is fixedly connected with breather line 9.
Further, buckle can be multiple.This set can make the breather line 9 of valve body 1 connect more stable.
Further, the shape of buckle can be to be a variety of, such as：Barb-shaped, circular or rectangle etc..
In the present embodiment, Medical Instruments also includes breather line 9 and fastener 10.In use, user can lead to
Cross fastener 10 to be fixedly connected with valve body 1 with breather line 9, to ensure that the two connection is more stablized, improve security.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of check valve, it is characterised in that including：Valve body, shell and separator；
The separator is slidably arranged in the inside of the shell, and the inside of the shell is divided into inlet chamber by the separator
And compression chamber；The inlet chamber is connected with the inner chamber of the valve body；The material of the shell is transparent material.
2. check valve according to claim 1, it is characterised in that the shell is capillary, the material of the separator
For mercury；
The separator is abutted with the inwall of the capillary.
3. check valve according to claim 2, it is characterised in that the capillary is fixedly installed on the inner chamber of the valve body
In；
The material of the valve body is transparent material.
4. check valve according to claim 3, it is characterised in that also including Data Identification；
The Data Identification is arranged on the valve body or the capillary；The separator can be in the Data Identification
Moved in coverage.
5. check valve according to claim 4, it is characterised in that the Data Identification is colour code；
The colour code is arranged on the outer wall of the valve body.
6. check valve according to claim 4, it is characterised in that the Data Identification is scale strip；
The scale strip is arranged on the outer wall of the valve body.
7. check valve according to claim 3, it is characterised in that be provided with magnifying glass on the outer wall of the valve body.
8. check valve according to claim 4, it is characterised in that be provided with neck on the inwall of the valve body；
The capillary is fastened in the neck.
9. a kind of Medical Instruments, it is characterised in that including gas injection cylinder and the check valve as described in claim any one of 1-8；
The gas injection cylinder is connected with the air inlet of the valve body.
10. Medical Instruments according to claim 9, it is characterised in that also including breather line and fastener；
One end of the breather line is connected with the valve body, and the other end is connected with gas injection cylinder；The fastener is used for will
The valve body is fixedly connected with the breather line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720252978.6U CN206592636U (en) | 2017-03-15 | 2017-03-15 | Check valve and medical instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720252978.6U CN206592636U (en) | 2017-03-15 | 2017-03-15 | Check valve and medical instruments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206592636U true CN206592636U (en) | 2017-10-27 |
Family
ID=60124128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720252978.6U Expired - Fee Related CN206592636U (en) | 2017-03-15 | 2017-03-15 | Check valve and medical instruments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206592636U (en) |
-
2017
- 2017-03-15 CN CN201720252978.6U patent/CN206592636U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |