CN104874074B - Inhale expiration sampling probe and the Anesthesia machine with it - Google Patents
Inhale expiration sampling probe and the Anesthesia machine with it Download PDFInfo
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- CN104874074B CN104874074B CN201410073815.2A CN201410073815A CN104874074B CN 104874074 B CN104874074 B CN 104874074B CN 201410073815 A CN201410073815 A CN 201410073815A CN 104874074 B CN104874074 B CN 104874074B
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- positioning tube
- expiration sampling
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- 239000000523 sample Substances 0.000 title claims abstract description 54
- 238000005070 sampling Methods 0.000 title claims abstract description 50
- 206010002091 Anaesthesia Diseases 0.000 title claims abstract description 14
- 230000037005 anaesthesia Effects 0.000 title claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000005259 measurement Methods 0.000 abstract description 12
- 238000009434 installation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses a kind of suction expiration sampling probe and with its Anesthesia machine, the suction expiration sampling probe includes：Valve body, the valve body is interior, and there is air flue, the valve body to be equipped with the interface being connected to the air flue, and the inner wall of the air flue is equipped with positioning convex platform；Positioning tube, the positioning tube are located in the air flue, and the end face of the positioning tube is equipped with locating slot；Diaphragm, the diaphragm are pressed on by the positioning convex platform in the locating slot, and the diaphragm is equipped with venthole.Suction expiration sampling probe according to the ... of the embodiment of the present invention has many advantages, such as that air-tightness is high, convenient for disassembly and assembly, measurement result is accurate.
Description
Technical field
The present invention relates to medical fields, are adopted in particular to a kind of suction expiration sampling probe and with suction expiration
The Anesthesia machine of sample probe.
Background technology
Anesthesia machine in the related technology, the suction expiration sampling probe structure of absorption circuit, the good peace installation and dismantling of air-tightness
Unload more complicated, it is undesirable to mount and dismount simple air-tightness, cannot not only ensure air-tightness but also keep installation and removal convenient.
Invention content
The present invention is directed to solve one of above-mentioned technical problem in the prior art at least to a certain extent.For this purpose, this hair
A bright purpose is to propose a kind of suction expiration sampling probe, the suction expiration sampling probe have air-tightness it is high, it is convenient for disassembly and assembly,
The advantages that measurement result is accurate.
It is a kind of with the Anesthesia machine for inhaling expiration sampling probe it is another object of the present invention to propose.
To achieve the above object, the first aspect of the present invention proposes a kind of suction expiration sampling probe, and the suction, which is exhaled, to be sampled
Probe includes：Valve body, the valve body is interior, and there is air flue, the valve body to be equipped with the interface being connected to the air flue, the air flue
Inner wall be equipped with positioning convex platform；Positioning tube, the positioning tube are located in the air flue, and the end face of the positioning tube, which is equipped with, determines
Position slot；Diaphragm, the diaphragm are pressed on by the positioning convex platform in the locating slot, and the diaphragm is equipped with venthole.
Suction expiration sampling probe according to the ... of the embodiment of the present invention is by being arranged the positioning tube, and at the end of the positioning tube
The locating slot is set on face, the positioning convex platform is set in the valve body, the positioning convex platform can be utilized institute in this way
State diaphragm to be pressed in the locating slot, the diaphragm and the positioning tube made to be assemblied in the air flue, realize by for
The diaphragm for measuring sampling is built in the valve body, ensure that the air-tightness for inhaling expiration sampling probe, and the film
Piece and the positioning tube and valve body cooperation are close, ensure that air-flow all by the diaphragm, keeps measurement result more accurate
Really.In addition, installing the diaphragm by the way of clamping, the dismounting for inhaling expiration sampling probe can be made more convenient.
Therefore, suction expiration sampling probe according to the ... of the embodiment of the present invention has that air-tightness is high, convenient for disassembly and assembly, measurement result is accurately etc. excellent
Point.
In addition, suction expiration sampling probe according to the above embodiment of the present invention can also have following additional technology special
Sign：
According to one embodiment of present invention, the suction expiration sampling probe further includes tabletting, and the tabletting cooperation is in institute
It states in locating slot, the diaphragm is pressed in the locating slot by the positioning convex platform by squeezing the tabletting.So not only
The convenience of the suction expiration sampling probe dismounting can be further increased, and can ensure the diaphragm assembly in place.
According to one embodiment of present invention, the diaphragm be equipped with the first limit hole, the tabletting be equipped with it is described
The second opposite limit hole of first limit hole site, the bottom wall of the locating slot are equipped with limited post, and the limited post is worn successively
Cross first limit hole and second limit hole.Thus it can not only prevent the diaphragm and the tabletting from rotating, but also
The installation of the diaphragm and the tabletting can be made relatively reliable.
According to one embodiment of present invention, the limited post is two, and two limited posts are located at institute at interval
It states on the bottom wall of locating slot and two limited posts is located at the top of the positioning tube, first limit hole and described second
Limit hole is respectively two, and two limited posts respectively correspondingly pass through two first limit holes and two described second
Limit hole.The locating effect to the diaphragm and the tabletting can be further increased in this way, make the diaphragm, the tabletting and
Relative position between the positioning tube is more stablized.
According to one embodiment of present invention, the peripheral surface of the tabletting is equipped with the first limiting slot, the positioning tube it is outer
Circumferential surface is equipped with the second limiting slot being connected to first limiting slot, and the inner wall of the air flue is equipped with limit rib, the limit
Muscle coordinates in first limiting slot and second limiting slot.Thus the positioning tube and the tabletting can not only be prevented
It drives the diaphragm to rotate, and the installation of the positioning tube and the tabletting can be made relatively reliable.
According to one embodiment of present invention, the limit rib is the diameter of two and two limit ribs in the air flue
Opposite upwards, first limiting slot and second limiting slot are respectively two, and two limit ribs are respectively correspondingly matched
It closes in two first limiting slots and two second limiting slots.The positioning tube and institute can be further increased in this way
Positional stability of the tabletting relative to the valve body is stated, and then the opposite position of the diaphragm and the valve body can be further increased
The stability set.
According to one embodiment of present invention, the outer periphery of the diaphragm is equipped with corresponding with the first limit groove location
Notch.It can prevent the diaphragm from stopping the limit rib in this way, in order to the installation of the diaphragm, improve the suction expiration and adopt
The compactedness of sample sonde configuration.
According to one embodiment of present invention, the positioning tube is equipped with the avoid holes opposite with the interface position.This
Sample can ensure the interface and the air flue is smooth is connected to, and ensures the measurement effect for inhaling expiration sampling probe.
According to one embodiment of present invention, the venthole includes：Curved portion, the curved portion are formed in the diaphragm
Outer peripheral edge at and the curved portion along the diaphragm circumferentially extending；Two straight line portions, two straight line portions respectively with institute
It states the both ends connection of curved portion and two straight line portions is to extending in parallel at the center of the diaphragm.It is possible thereby to ensure the diaphragm
For the measurement effect of air-flow.
The second aspect of the present invention proposes that a kind of Anesthesia machine, the Anesthesia machine include described according to the first aspect of the invention
Suction expiration sampling probe.
Anesthesia machine according to the ... of the embodiment of the present invention is exhaled by using the suction described according to the first aspect of the invention and is sampled
Probe has many advantages, such as that highly reliable, easy to operate, measurement is accurate.
Description of the drawings
Fig. 1 is the explosive view according to the ... of the embodiment of the present invention for inhaling expiration sampling probe.
Fig. 2 is the sectional view of the valve body according to the ... of the embodiment of the present invention for inhaling expiration sampling probe.
Fig. 3 is the structural schematic diagram of the diaphragm according to the ... of the embodiment of the present invention for inhaling expiration sampling probe.
Fig. 4 is the structural schematic diagram of the positioning tube according to the ... of the embodiment of the present invention for inhaling expiration sampling probe.
Reference numeral：Inhale expiration sampling probe 1, valve body 100, air flue 110, interface 120, positioning convex platform 130, limit rib
140, positioning tube 200, locating slot 210, limited post 220, the second limiting slot 230, avoid holes 240, diaphragm 300, the first limit hole
310, notch 320, straight line portion 331, curved portion 332, tabletting 400, the second limit hole 410, the first limiting slot 420.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with spy
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Suction expiration sampling probe 1 according to the ... of the embodiment of the present invention is described below with reference to Fig. 1-Fig. 4.As Figure 1-Figure 4, root
Suction expiration sampling probe 1 according to the embodiment of the present invention includes valve body 100, positioning tube 200 and diaphragm 300.
There is in valve body 100 air flue 110, valve body 100 is equipped with the interface 120 being connected to air flue 110, air flue 110 it is interior
Wall is equipped with positioning convex platform 130.Positioning tube 200 is located in air flue 110, and the end face of positioning tube 200 is equipped with locating slot 210.Film
Piece 300 is pressed on by positioning convex platform 130 in locating slot 210, and diaphragm 300 is equipped with venthole.
Suction expiration sampling probe 1 according to the ... of the embodiment of the present invention, by the way that positioning tube 200 is arranged, and at the end of positioning tube 200
Locating slot 210 is set on face, positioning convex platform 130 is set in valve body 100, positioning convex platform 130 can be utilized diaphragm 300 in this way
It is pressed in locating slot 210, diaphragm 300 and positioning tube 200 is made to be assemblied in air flue 110, realizing will be for measuring sampling
Diaphragm 300 is built in valve body 100, ensure that the air-tightness for inhaling expiration sampling probe 1, and diaphragm 300 and positioning tube 200 and valve
Body 100 coordinates closely, ensure that air-flow all by diaphragm 300, keeps measurement result more accurate.In addition, using the side of clamping
Formula installs diaphragm 300, can make the dismounting of suction expiration sampling probe 1 more convenient.Specifically, when mounted, it is only necessary to will
Diaphragm 300 and positioning tube 200 are pressed into valve body 100 together, and while dismantling only needs first to dismantle positioning tube 200 can remove diaphragm
300.Therefore, suction expiration sampling probe 1 according to the ... of the embodiment of the present invention is with air-tightness is high, convenient for disassembly and assembly, measurement result is accurate
The advantages that.
Fig. 1-Fig. 4 shows the suction expiration sampling probe 1 of a specific example according to the present invention.Such as Fig. 1 and Fig. 2 institutes
Show, it can also includes tabletting 400 to inhale expiration sampling probe 1, and tabletting 400 can coordinate in locating slot 210 and diaphragm 300 can be with
Between tabletting 400 and the bottom wall of locating slot 210, positioning convex platform 130 can be compressed diaphragm 300 by squeezing tabletting 400
In locating slot 210.In this way before positioning tube 200 is packed into valve body 100, diaphragm 300 can be compressed first with tabletting 400, it is real
The first positioning of existing diaphragm 300, not only can further increase the convenience for inhaling 1 dismounting of expiration sampling probe, and can be with
Ensure the assembly of diaphragm 300 in place.
Advantageously, shown in as shown in Figure 1, Figure 3 and Figure 4, the first limit hole 310 can be equipped on diaphragm 300, it can in tabletting 400
Equipped with second limit hole 410 opposite with 310 position of the first limit hole, limited post can be equipped on the bottom wall of locating slot 210
220, limited post 220 can sequentially pass through the first limit hole 310 and the second limit hole 410.In this way can utilize limited post 220,
First limit hole 310 and the second limit hole 410 carry out diaphragm 300 and tabletting 400 circumferentially positioned, thus can not only prevent film
Piece 300 and tabletting 400 rotate, and the installation of diaphragm 300 and tabletting 400 can be made relatively reliable.
Optionally, shown in as shown in Figure 1, Figure 3 and Figure 4, limited post 220 can be two, and two limited posts 220 can be spaced apart
Ground is located on the bottom wall of locating slot 210, and two limited posts 220 can be located at the top of positioning tube 200（Upper and lower directions such as Fig. 1-
Shown in arrow A in Fig. 4）, the first limit hole 310 on diaphragm 300 can be two, and the second limit hole in tabletting 400
410 may be two, and two limited posts 220 can respectively correspondingly pass through two the first limit holes 310 and two second limits
Position hole 410.The locating effect to diaphragm 300 and tabletting 400 can be further increased in this way, make diaphragm 300, tabletting 400 and determined
Relative position between the cylinder 200 of position is more stablized.
Fig. 1-Fig. 4 shows suction expiration sampling probe 1 accord to a specific embodiment of that present invention.As shown in Figure 1, Figure 2 and Fig. 4
Shown, the peripheral surface of tabletting 400 can be equipped with the first limiting slot 420, and the peripheral surface of positioning tube 200 can be equipped with and the first limit
The second limiting slot 230 that slot 420 is connected to, limit rib 140 can be equipped on the inner wall of air flue 110, and limit rib 140 can coordinate
In first limiting slot 420 and the second limiting slot 230.Limit rib 140, the first limiting slot 420 and second can be utilized to limit in this way
Slot 230 carries out tabletting 400 and positioning tube 200 circumferentially positioned, and then can be positioned in the circumferential to diaphragm 300, thus
It can not only prevent positioning tube 200 and tabletting 400 from being rotated with dynamic diaphragm 300, but also positioning tube 200 and tabletting 400 can be made
It installs relatively reliable.
Optionally, as shown in Figure 1, Figure 2 and Figure 4, limit rib 140 can be two and two limit ribs 140 can be in gas
Road 110 it is diametrically opposite, the first limiting slot 420 in tabletting 400 can be two, the second limiting slot on positioning tube 200
230 may be two, and two the second limiting slots 230 can be respectively correspondingly connected to two the first limiting slots 420.Wherein,
One limit rib 140 can coordinate in first limiting slot 420 and second limiting slot 230, and another limit rib 140
It can coordinate in another the first limiting slot 420 and another second limiting slot 230.Positioning tube can be further increased in this way
200 and positional stability of the tabletting 400 relative to valve body 100, and then the phase of diaphragm 300 and valve body 100 can be further increased
To the stability of position.
Advantageously, as shown in figure 3, the outer periphery of diaphragm 300 can be equipped with notch corresponding with 420 position of the first limiting slot
320.Specifically, notch 320 can be for two and in the diametrically opposite of diaphragm 300.The blocking limit of diaphragm 300 can be prevented in this way
Position muscle 140 improves the compactedness for inhaling 1 structure of expiration sampling probe in order to the installation of diaphragm 300.
Fig. 1-Fig. 4 shows suction expiration sampling probe 1 accord to a specific embodiment of that present invention.As shown in Figure 1, Figure 2 and Fig. 4
It is shown, the avoid holes 240 opposite with 120 position of interface can be equipped on positioning tube 200.It can ensure interface 120 and gas in this way
110 smooth connection of road ensures the measurement effect for inhaling expiration sampling probe 1.
Advantageously, as shown in Figure 1 and Figure 4, avoid holes 240 can be slotted hole.It in this way can be in order to adjusting avoid holes 240
Position in valve body 100, it is opposite with interface 120 convenient for avoid holes 240, keep the assembly of positioning tube 200 more convenient.
Specifically, as shown in figure 3, the venthole may include curved portion 332 and two straight line portions 331.Curved portion 332
It can be formed at the outer peripheral edge of diaphragm 300, and curved portion 332 can be along the circumferentially extending of diaphragm 300.Two straight line portions 331
It can be connected to respectively with the both ends of curved portion 332, and two straight line portions 331 can be mutually parallel.Two of which straight line portion 331
Lower end can extend at the center of diaphragm 300, and the upper end of two straight line portions 331 can respectively with two the first limit holes
310 connections.It is possible thereby to ensure measurement effect of the diaphragm 300 for air-flow.
Anesthesia machine according to the ... of the embodiment of the present invention is described below.The Anesthesia machine includes according to the above embodiment of the present invention
Inhale expiration sampling probe 1.
Anesthesia machine according to the ... of the embodiment of the present invention is by using suction expiration sampling probe according to the above embodiment of the present invention
1, have many advantages, such as that highly reliable, easy to operate, measurement is accurate.
Other of Anesthesia machine according to the ... of the embodiment of the present invention are constituted and are operated for those of ordinary skills
All it is known, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
What can be combined in any suitable manner in one or more embodiments or example.In addition, those skilled in the art can say this
Different embodiments or examples described in bright book are engaged and are combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (8)
1. a kind of suction expiration sampling probe, which is characterized in that including：
Valve body, the valve body is interior, and there is air flue, the valve body to be equipped with the interface being connected to the air flue, the inner wall of the air flue
It is equipped with positioning convex platform；
Positioning tube, the positioning tube are located in the air flue, and the end face of the positioning tube is equipped with locating slot, on the positioning tube
Equipped with the avoid holes opposite with the interface position；
Diaphragm, the diaphragm are pressed on by the positioning convex platform in the locating slot, and the diaphragm is equipped with venthole,
Wherein, the venthole includes：Curved portion and two straight line portions, the curved portion are formed at the outer peripheral edge of the diaphragm
And along the circumferentially extending of the diaphragm, two straight line portions are connected to the both ends of the curved portion and respectively to the diaphragms
It is extended in parallel at center.
2. suction expiration sampling probe according to claim 1, which is characterized in that further include tabletting, the tabletting cooperation exists
In the locating slot, the diaphragm is pressed in the locating slot by the positioning convex platform by squeezing the tabletting.
3. suction expiration sampling probe according to claim 2, which is characterized in that the diaphragm is equipped with the first limit hole,
The tabletting is equipped with second limit hole opposite with the first limit hole site, and the bottom wall of the locating slot is equipped with limit
Column, the limited post sequentially pass through first limit hole and second limit hole.
4. suction expiration sampling probe according to claim 3, which is characterized in that the limited post is two, described in two
Limited post is located at the top on the bottom wall of the locating slot and positioned at the positioning tube, first limit hole and institute at interval
It is respectively two to state the second limit hole, and two limited posts respectively correspondingly pass through two first limit holes and two institutes
State the second limit hole.
5. suction expiration sampling probe according to claim 2, which is characterized in that the peripheral surface of the tabletting is equipped with the first limit
Position slot, the peripheral surface of the positioning tube are equipped with the second limiting slot being connected to first limiting slot, on the inner wall of the air flue
Equipped with limit rib, the limit rib cooperation is in first limiting slot and second limiting slot.
6. suction expiration sampling probe according to claim 5, which is characterized in that the limit rib is two and in the gas
Road it is diametrically opposite, first limiting slot and second limiting slot are respectively two, and two limit ribs are right respectively
Coordinate with answering in two first limiting slots and two second limiting slots.
7. suction expiration sampling probe according to claim 5, which is characterized in that the outer periphery of the diaphragm be equipped with it is described
The corresponding notch of first limit groove location.
8. a kind of Anesthesia machine, which is characterized in that including the suction expiration sampling probe described in any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073815.2A CN104874074B (en) | 2014-02-28 | 2014-02-28 | Inhale expiration sampling probe and the Anesthesia machine with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073815.2A CN104874074B (en) | 2014-02-28 | 2014-02-28 | Inhale expiration sampling probe and the Anesthesia machine with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104874074A CN104874074A (en) | 2015-09-02 |
| CN104874074B true CN104874074B (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410073815.2A Active CN104874074B (en) | 2014-02-28 | 2014-02-28 | Inhale expiration sampling probe and the Anesthesia machine with it |
Country Status (1)
| Country | Link |
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| CN (1) | CN104874074B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112704793B (en) * | 2020-12-31 | 2025-02-07 | 北京谊安医疗系统股份有限公司 | A medical breathing probe |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6479019B1 (en) * | 1999-04-15 | 2002-11-12 | Quantum Group, Inc. | Sensor and sensor assembly for detecting a target gas in a breath sample |
| CN201955118U (en) * | 2011-01-28 | 2011-08-31 | 北京谊安医疗系统股份有限公司 | Detachable sampling probe device |
| CN202010163U (en) * | 2011-01-28 | 2011-10-19 | 北京谊安医疗系统股份有限公司 | Flow sampling probe and flow sampling member including same |
| CN202140648U (en) * | 2011-07-07 | 2012-02-08 | 东莞市永存电子有限公司 | A new type of waterproof breathable valve |
| EP2823300B1 (en) * | 2012-03-08 | 2019-10-09 | Sensa Bues AB | A method for detection of biomarkers in exhaled breath |
| CN203060507U (en) * | 2012-12-04 | 2013-07-17 | 广州医学院第一附属医院 | Device for guaranteeing constant exhaled air of breathing port and directional exhaust during non-invasive ventilation |
| CN203417393U (en) * | 2013-06-14 | 2014-02-05 | 北京谊安医疗系统股份有限公司 | Exhalation valve |
| CN203852695U (en) * | 2014-02-28 | 2014-10-01 | 北京谊安医疗系统股份有限公司 | Inspiration and expiration sampling probe and anaesthesia machine provided with same |
-
2014
- 2014-02-28 CN CN201410073815.2A patent/CN104874074B/en active Active
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| CN104874074A (en) | 2015-09-02 |
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