CN106924852A - A kind of flap valve cover - Google Patents
A kind of flap valve cover Download PDFInfo
- Publication number
- CN106924852A CN106924852A CN201511017400.4A CN201511017400A CN106924852A CN 106924852 A CN106924852 A CN 106924852A CN 201511017400 A CN201511017400 A CN 201511017400A CN 106924852 A CN106924852 A CN 106924852A
- Authority
- CN
- China
- Prior art keywords
- button
- flap valve
- valve cover
- breathing circuit
- base
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/01—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes specially adapted for anaesthetising
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/20—Valves specially adapted to medical respiratory devices
- A61M16/201—Controlled valves
- A61M16/202—Controlled valves electrically actuated
- A61M16/203—Proportional
- A61M16/204—Proportional used for inhalation control
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/20—Valves specially adapted to medical respiratory devices
- A61M16/201—Controlled valves
- A61M16/202—Controlled valves electrically actuated
- A61M16/203—Proportional
- A61M16/205—Proportional used for exhalation control
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/02—Gases
- A61M2202/0241—Anaesthetics; Analgesics
Abstract
The invention provides a kind of flap valve cover, including cover body and mechanism for assembling-disassembling;Described cover body includes two pieces of cover plates (1) in integrative-structure, two air flues (20) for sealing breathing circuit (5);Described mechanism for assembling-disassembling is arranged between two cover plates (1), it is under installment state in flap valve cover, flap valve cover is removed from breathing circuit (5) by driving the mechanism for assembling-disassembling, it is under non-installment state in flap valve cover, flap valve cover is arranged on breathing circuit (5) by driving the mechanism for assembling-disassembling, and causes that the flap valve cover on breathing circuit (5) is in the same plane with the outer surface of breathing circuit (5).The present invention by flap valve cover upper surface be designed as with breathing circuit flush with outer surface, so as to save space;The assembling mode of buckle is made full use of to realize the fast assembling-disassembling of flap valve cover simultaneously;And suction, expiratory valve cover are designed as integrative-structure, solve the problems, such as that existing breathing circuit flap valve cover has the two and can not have concurrently.
Description
Technical field
The present invention relates to Anesthesia machine technical field, and in particular to a kind of flap valve cover.
Background technology
Inspiratory valve and expiratory valve are the important components of Anesthesia machine respiratory system, are two one-way valve structures.Work as trouble
After anesthesia induction is completed, in air-breathing, inspiratory valve of the anesthesia mixed gas through opening enters in patient's body person,
Now expiratory valve is closed;When exhaling, expiratory valve is opened, while inspiratory valve is closed, discharge patient's exhalation
Gas in the tourie of carbon dioxide, set inhale, expiratory valve be in order to ensure patient's suction live gas and
The unnecessary gas of exhalation, prevents the gas containing carbon dioxide of exhalation by suction body again, so as to avoid trouble
The risk that person's fraction of inspired oxygen is low or gas concentration lwevel is high.Therefore, inspiratory valve and expiratory valve to patient in hand
Played an important role in anesthesia, Breathing Suppotion during art.And flap valve cover is inspiratory valve and expiratory valve
Part, flap valve cover, flap valve diaphragm and other associated components collectively constitute the structure of suction, expiratory valve.
Flap valve heterogeneous in the market, but operation principle is identical, is all the structure of check valve.Patient inhale,
During expiration, by connecting different gas circuits, to ensure to breathe out waste gas while patient's suction live gas.Flap valve cover
Form it is varied, its mounting means mainly has two classes, and one kind is mounted in breathing circuit surface, protrudes from and exhale
Road is sucked back, flap valve cover is screwed on breathing circuit, in its maintenance or during cleaning-sterilizing, inhale, exhale the flap valve cover can individually to twist
Get off to be processed;Another kind is the structure that flap valve cover is integrated with breathing circuit cover plate, and now flap valve cover can not be single
Solely dismounting, during to maintenance or cleaning-sterilizing, obtains and removes whole cover plate together.In sum, the first knot
The flap valve cover maintenance of structure or cleaning-sterilizing are convenient, but flap valve cover protrudes from breathing circuit, takes up room larger, and
Influence is attractive in appearance, is structure as a whole due to flap valve cover and loop cover plate for second, and breathing circuit integral surface is one
Plane, saves space, and better appearance, and it has the disadvantage to maintenance, cleaning-sterilizing, just must be by whole loop
Cover plate is removed, therefore is dismounted inconvenient.
The content of the invention
It is an object of the present invention to be the technical problem for overcoming existing flap valve cover dismounting inconvenient, present invention design
A kind of flap valve cover, this flap valve cover will be inhaled, expiratory valve cover is designed as integrative-structure, be installed to breathing circuit
After upper, itself and breathing circuit flush are capable of achieving the fast assembling-disassembling of flap valve cover by the mechanism for assembling-disassembling being provided with.
To achieve the above object, a kind of flap valve cover that the present invention is provided, including cover body and mechanism for assembling-disassembling;Described cover body
Including two pieces of cover plates in integrative-structure, two air flues for sealing breathing circuit;Described mechanism for assembling-disassembling is arranged at
Between two cover plates, it is under installment state in flap valve cover, by driving the mechanism for assembling-disassembling by flap valve cover from breathing circuit
Upper dismounting, is under non-installment state in flap valve cover, and flap valve cover is arranged on into breathing circuit by driving the mechanism for assembling-disassembling
On, and cause that the flap valve cover on breathing circuit is in the same plane with the outer surface of breathing circuit.
Used as the further improvement of above-mentioned technical proposal, the side wall of the cover plate is provided with sealing ring, is breathed for sealing
The gap formed between loop and cover plate.
Used as the further improvement of above-mentioned technical proposal, described mechanism for assembling-disassembling includes:Left button, middle button, the right side are pressed
Key and base;Described base is embedded on breathing circuit, for providing installing space for mechanism for assembling-disassembling, on the base
It is provided with four L-shaped, symmetrical two-by-two elastic clipping strips;Described left button and right button is symmetrical
In the both sides of middle button, three buttons by spring supporting in the top of base, the bottom of the left button and right button
The ramp structure being engaged with four card articles is equipped with, the bottom surface of the two cover plates is equipped with what is be engaged with middle button
Fixed block;
It is under installment state in flap valve cover, four bottom surfaces of card article horizontal segment offset with the inwall of middle button, now lead to
Cross after pressing left button and right button to being moved in base so that the ramp structure of left button and right button extrudes four respectively
The side wall of individual card article horizontal segment, four card article horizontal segments are moved because of elastic deformation occurred level, and then by four card article water
The bottom surface of flat section is separated with the inwall of middle button, and now described middle button is acted on by the elastic force of spring and moved to outside base
Afterwards, its edge offsets with the fixed block on two cover plates, and by pull portion structure protrudes from breathing circuit outer surface
Button, cover body is removed from breathing circuit;
It is under non-installment state in flap valve cover, its edge is squeezed by the fixed block on two cover plates by pressing middle button
Penetrated in base after compressive strain, because middle button is acted on by the elastic force of spring, and then cause the edge and two of button in this
Fixed block on block cover plate offsets, now after pressing left button and right button to being moved in base so that left button
Four side walls of card article horizontal segment are extruded respectively with the ramp structure of right button, and four card article horizontal segments are sent out because of elastic deformation
Life produces the space that button is penetrated in supplying after moving horizontally, continue through and press pine after middle button is moved to the bottom of base
Open left button and right button so that four bottom surfaces of card article horizontal segment offset with the inwall of middle button, now left button,
Middle button and right button reset under the elastic force effect of spring, and are generally aligned in the same plane with the outer surface of breathing circuit
On.
The design of above-mentioned mechanism for assembling-disassembling take full advantage of flap valve cover and middle button, middle button and base, base with it is left by
Between key and right button formed snapping relationship, and spring reset response, dexterously realize tearing open for flap valve cover
Dress.This snapping relationship be by ramp structure under the promotion of external force against the force of the spring, the card article that will be in contact with it
Push open, so that card article departs from situ so as to middle button is upspring in the constraint of button in releasing, then button one carried,
Just flap valve cover is taken out.
As the further improvement of above-mentioned technical proposal, described middle button when base is penetrated, itself and fixed block and card
The contact surface rubbed between bar is in inclined-plane.
Used as the further improvement of above-mentioned technical proposal, the outer rim of the left button and right button is equipped with boss, described
The fit depressions that are provided with of boss and base.
Used as the further improvement of above-mentioned technical proposal, described base is provided with three support columns, for being socketed and a left side
Three springs that button, middle button and right button are engaged.
Used as the further improvement of above-mentioned technical proposal, described base is fixed in by the screw for wearing and breathed back
Lu Shang.
A kind of advantage of flap valve cover of the invention is:
Flap valve cover of the invention meets the market requirement, by flap valve cover upper surface be designed as with breathing circuit flush with outer surface,
So as to save space so that breathing circuit is more attractive in appearance;The assembling mode of buckle is made full use of to realize work simultaneously
The fast assembling-disassembling of valve cover;In addition, will inhale, expiratory valve cover is designed as integrative-structure, solves existing breathing
Loop flap valve cover has that the two can not have concurrently.
Brief description of the drawings
Fig. 1 is a kind of top view of the flap valve cover in the embodiment of the present invention.
Fig. 2 be in Fig. 1 the flap valve cover that shows along A-A to sectional view.
Fig. 3 be in Fig. 2 the flap valve cover that shows along B-B direction sectional view.
Fig. 4 be in Fig. 2 the flap valve cover that shows along C-C to sectional view.
Fig. 5 is the structural representation of the left button in the embodiment of the present invention.
Fig. 6 is the structural representation of the base in the embodiment of the present invention.
Fig. 7 be in Fig. 1 the flap valve cover that shows along A-A to the three-dimensional view after cutting.
Fig. 8 is the middle button in the embodiment of the present invention along the three-dimensional view after center line cutting.
Reference
1st, cover plate 2, left button 3, middle button
4th, right button 5, breathing circuit 6, the first spring
7th, second spring 8, screw 9, base
10th, sealing ring 11, the 3rd spring 12, medial slope
13rd, outside inclined-plane 14, ramp structure 15, boss
16th, groove 17, fixed block 18, card article
19th, support column 20, air flue
Specific embodiment
A kind of flap valve cover of the present invention is described in detail with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of flap valve cover of the invention, including cover body and mechanism for assembling-disassembling (not shown);Described cover
Body includes two pieces of cover plates 1 in integrative-structure, for covering two air flues 20 (as shown in Figure 2) on breathing circuit 5,
Described mechanism for assembling-disassembling is arranged between two cover plates 1, is under installment state in flap valve cover, by driving the dismounting
Flap valve cover is removed from breathing circuit 5 by mechanism, is under non-installment state in flap valve cover, by driving the changer
Be arranged on flap valve cover on breathing circuit 5 by structure, and causes the flap valve cover surface on breathing circuit 5 and breathing circuit
5 flush with outer surface.As shown in Fig. 2 sealing ring 10 can be equipped with the side wall of the two cover plates 1 of the flap valve cover, use
The gap formed between sealing breathing circuit 5 and cover plate 1, prevents the gas inside respiration valve from leaking into the external world, living
The two ends of valve cover may be designed as circle, makes it not only attractive in appearance but also is easy to processing.
Flap valve cover based on said structure, with reference to shown in Fig. 1-4, described mechanism for assembling-disassembling includes:Left button 2, in press
Key 3, right button 4 and base 9;Described base 9 is embedded on breathing circuit 5, for providing installation for mechanism for assembling-disassembling
Space, the base 9 is provided with four L-shaped, symmetrical two-by-two elastic clipping strips 18;Described left button
2 and right button 4 be symmetrically distributed in the both sides of middle button 3, three buttons respectively by the first spring 6, second spring 7,
3rd spring 11 is supported in the top of base 9, and the bottom of the left button 2 and right button 4 is equipped with and four phases of card article 18
The ramp structure 14 of cooperation, the bottom surface of the two cover plates 1 is equipped with the fixed block 17 being engaged with middle button 3;
It is under installment state in flap valve cover, four bottom surfaces of the horizontal segment of card article 18 offset with the inwall of middle button 3, this
When, when left button 2 and right button 4 are pressed simultaneously, left button 2 and right button 4 overcome the first spring 6 and the 3rd bullet
After the elastic force of spring 11 is acted on to being moved in base 9 so that the ramp structure 14 of left button 2 and right button 4 extrudes four respectively
The side wall of the horizontal segment of individual card article 18, four horizontal segments of card article 18 are moved because of elastic deformation occurred level, by base 9
Card article 18 is pushed open to inner side, and then the bottom surface of four horizontal segments of card article 18 is separated with the inwall of middle button 3, now,
The middle button 3 second spring 7 elastic force effect under from card article 18 disengage ejection, then to outside base 9 move after,
Its edge offsets with the fixed block 17 on two cover plates 1, and protrudes from the outer surface of breathing circuit 5 by catching part
Button 3 is carried upwards, and cover body just exposes the outer surface of breathing circuit 5 under the pulling of middle button 3, so that by whole flap valve
Cover takes out from breathing circuit 5.
It is under non-installment state in flap valve cover, when that need to reinstall to breathing circuit 5 flap valve cover, is first pressed middle button 3
Enter in cover body, i.e., penetrate cover after pressing middle button 3 to make its edge by the crimp of fixed block 17 on two cover plates 1
In body to base 9, because middle button 3 is acted on by the elastic force of spring, and then the edge and two cover plates of button in this are caused
Fixed block 17 on 1 offsets, after left button 2 and right button 4 are then pinned simultaneously to being moved in base 9 so that left button
2 and the ramp structure 14 of right button 4 extrude four side walls of the horizontal segment of card article 18 respectively, four horizontal segments of card article 18 are because of bullet
Property the movement of deformation occurred level after produce the space that button 3 in confession penetrates, middle button 3 is pressed again and is pressed into base 9
In, finally unclamp left button 2 and right button 4 so that the inwall phase of four bottom surfaces of the horizontal segment of card article 18 and middle button 3
Support, and after the two keys reset under the elastic force effect of spring, button 3 in further unclamping;Now left button 2, in
Button 3 and right button 4 reset under the elastic force effect of spring, and are generally aligned in the same plane with the outer surface of breathing circuit 5
On.
Because the card article 18 on above-mentioned base 9 is L-shaped so that card article 18 can be with left button 2 and right button 4
Ramp structure 14 is in contact, and can be in contact with middle button 3 again, and due to ramp structure and card article the bullet in itself for designing
Property performance, it is achieved thereby that the locking of flap valve cover with unblock.
As shown in Fig. 2 in the present embodiment, three support columns of cylinder 19 are designed with described base 9, respectively
For being socketed the first spring 6, the spring 11 of second spring 7 and the 3rd, the spring in motion is oriented to.Described
Hole is designed with base 9, base 9 can be fixed together with breathing circuit 5 with screw 8 by this hole.
As shown in figure 3, described middle button 3 is when base 9 is penetrated, it rubs between fixed block 17 and card article 18
The contact surface of wiping is in inclined-plane, that is, be designed with medial slope 12 and outside inclined-plane 13 shown in figure.
In addition, with reference to shown in Fig. 5, Fig. 6, boss 15 is designed with the outer rim of left button 2 and right button 4, this
Boss 15 can be embedded in the groove 16 that base 9 is provided with, and by this groove 16, the spring and base of support button
Card article 18 on 9 realizes that left button 2 and right button 4 may be designed as Fig. 1 to the spacing of left button 2 and right button 4 jointly
In seem more perfect after the semicircular structure that shows, with cover body form fit.
The structure of the flap valve cover with reference to shown in Fig. 1-8, the flap valve cover is installed on the concrete operations on breathing circuit
Cheng Wei:First, base 9 is fixed on breathing circuit 5 with screw 8;Then by 11 points of the first spring 6 and the 3rd spring
It is not put on the support column 19 of base 9, then the boss 15 of left button 2 and right button 4 is distinguished the groove 16 of inserted base 9
In;Sealing ring 10 is loaded on the side wall of two cover plates 1, and button 3 is pressed into cover body in, then by second spring 7
It is inserted in the support column 19 in the middle of base 9, the two cover plates 1 that middle button 3 is will be equipped with afterwards are covered in the two of breathing circuit 5
On individual air flue 20;Finally, while pinning left button 2 and right button 4, and middle button 3 is pressed into " L " on base 9
In shape card article 18, the installation of flap valve cover is completed after three buttons of release.
In the above-described embodiments, described flap valve cover uses circular arc, and in actual use, flap valve cover can also be designed
Be other shapes, such as polygon or star etc. be more convenient for grasp form;Base can be fixed for screw, can also be used
Other connected modes such as buckle, riveting are fixed on breathing circuit;" L " shape card article on base may be designed as arc
Shape, is easy to card article that abjection is smoothed from left and right button, and middle button is from the steady disengagement in card article.It is left and right to press
Key configuration design should match with flap valve cover overall appearance, optional with suitable other shapes.In this embodiment, fill
Point make use of the cooperation of card article and ramp structure, and card article elastic performance, wherein ramp structure may be designed as other
Shaped form so that during button is pressed and is upspring, transition is more steady.
Flap valve cover of the invention can be applied on the breathing circuit of Anesthesia machine, be also applicable in needing fast assembling-disassembling
In similar other Related products, system or technical field.
It should be noted last that, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted.Although ginseng
The present invention has been described in detail according to embodiment, it will be understood by those within the art that, to of the invention
Technical scheme is modified or equivalent, and without departure from the spirit and scope of technical solution of the present invention, it all should
Cover in the middle of scope of the presently claimed invention.
Claims (7)
1. a kind of flap valve cover, it is characterised in that including cover body and mechanism for assembling-disassembling;Described cover body includes that two pieces is in one
The cover plate (1) of body structure, two air flues (20) for sealing breathing circuit (5);Described mechanism for assembling-disassembling sets
It is placed between two cover plates (1), is under installment state in flap valve cover, by driving the mechanism for assembling-disassembling by flap valve cover
Removed from breathing circuit (5), be under non-installment state in flap valve cover, by driving the mechanism for assembling-disassembling by flap valve
Cover is arranged on breathing circuit (5), and causes flap valve cover and breathing circuit (5) on breathing circuit (5)
Outer surface it is in the same plane.
2. flap valve cover according to claim 1, it is characterised in that the side wall of the cover plate (1) is provided with close
Seal (10), for sealing the gap formed between breathing circuit (5) and cover plate (1).
3. flap valve cover according to claim 1, it is characterised in that described mechanism for assembling-disassembling includes:Left button (2),
Middle button (3), right button (4) and base (9);Described base (9) is embedded on breathing circuit (5),
For providing installing space for mechanism for assembling-disassembling, the base (9) be provided with four it is L-shaped, symmetrical two-by-two
Elastic clipping strip (18);Described left button (2) and right button (4) is symmetrically distributed in the two of middle button (3)
Side, three buttons by spring supporting in the top of base (9), the left button (2) and right button (4)
Bottom is equipped with the ramp structure (14) being engaged with four card articles (18), the bottom surface of the two cover plates (1)
It is equipped with the fixed block (17) being engaged with middle button (3);
It is under installment state in flap valve cover, the inwall of four bottom surfaces of card article (18) horizontal segment and middle button (3)
Offset, now after pressing left button (2) and right button (4) to motion in base (9) so that left button
And the ramp structure (14) of right button (4) extrudes four side walls of card article (18) horizontal segment, four respectively (2)
Card article (18) horizontal segment because elastic deformation occurred level move, and then by four bottom surfaces of card article (18) horizontal segment with
The inwall of middle button (3) is separated, and now described middle button (3) is acted on by the elastic force of spring and being transported outward to base (9)
After dynamic, its edge offsets with the fixed block (17) on two cover plates (1), and protrudes from breathing by pull portion structure
The middle button (3) of loop (5) outer surface, cover body is removed from breathing circuit (5);
It is under non-installment state in flap valve cover, its edge is made by two cover plates (1) by pressing middle button (3)
Fixed block (17) crimp after penetrate in base (9), because middle button (3) is acted on by the elastic force of spring,
And then edge of button offsets with the fixed block (17) on two cover plates (1) in causing this, now by pressing a left side
After button (2) and right button (4) are to motion in base (9) so that left button (2) and right button (4)
Ramp structure (14) extrudes four side walls of card article (18) horizontal segment respectively, and four card article (18) horizontal segments are because of bullet
Property the movement of deformation occurred level after produce the space that button (3) in confession penetrates, continue through press middle button (3) to
Left button (2) and right button (4) are unclamped after the bottom motion of base (9) so that four card article (18) levels
The bottom surface of section offsets with the inwall of middle button (3), now left button (2), middle button (3) and right button (4)
Resetted under the elastic force effect of spring, and it is in the same plane with the outer surface of breathing circuit (5).
4. flap valve cover according to claim 3, it is characterised in that described middle button (3) is penetrating base
(9) when, the contact surface that it rubs between fixed block (17) and card article (18) is in inclined-plane.
5. flap valve cover according to claim 3, it is characterised in that the left button (2) and right button (4)
Outer rim be equipped with boss (15), described boss (15) matches with the groove (16) that base (9) is provided with
Close.
6. flap valve cover according to claim 3, it is characterised in that described base (9) is provided with three branch
Dagger (19), for being socketed three bullets being engaged with left button (2), middle button (3) and right button (4)
Spring.
7. flap valve cover according to claim 3, it is characterised in that described base (9) is by the spiral shell that wears
Nail (8) is fixed on breathing circuit (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201511017400.4A CN106924852B (en) | 2015-12-29 | 2015-12-29 | A kind of flap valve cover |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201511017400.4A CN106924852B (en) | 2015-12-29 | 2015-12-29 | A kind of flap valve cover |
Publications (2)
Publication Number | Publication Date |
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CN106924852A true CN106924852A (en) | 2017-07-07 |
CN106924852B CN106924852B (en) | 2019-06-21 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201511017400.4A Active CN106924852B (en) | 2015-12-29 | 2015-12-29 | A kind of flap valve cover |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112161086A (en) * | 2020-09-05 | 2021-01-01 | 袁利华 | Anti-impact check valve |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2367322Y (en) * | 1998-11-04 | 2000-03-08 | 袁文德 | Self-breathing valve |
WO2005048982A2 (en) * | 2003-11-17 | 2005-06-02 | Nektar Therapeutics | Efficient introduction of an aerosol into a ventilator circuit |
US20120304988A1 (en) * | 2011-06-06 | 2012-12-06 | Adam Meyer | Oscillating Positive Expiratory Pressure Device |
CN203075399U (en) * | 2013-01-06 | 2013-07-24 | 南京蓝泰医疗器械有限公司 | Breathing circuit for anesthesia machine |
-
2015
- 2015-12-29 CN CN201511017400.4A patent/CN106924852B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2367322Y (en) * | 1998-11-04 | 2000-03-08 | 袁文德 | Self-breathing valve |
WO2005048982A2 (en) * | 2003-11-17 | 2005-06-02 | Nektar Therapeutics | Efficient introduction of an aerosol into a ventilator circuit |
US20050139211A1 (en) * | 2003-11-17 | 2005-06-30 | Nektar Therapeutics | Introducing aerosol into a ventilator |
US20120304988A1 (en) * | 2011-06-06 | 2012-12-06 | Adam Meyer | Oscillating Positive Expiratory Pressure Device |
CN203075399U (en) * | 2013-01-06 | 2013-07-24 | 南京蓝泰医疗器械有限公司 | Breathing circuit for anesthesia machine |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112161086A (en) * | 2020-09-05 | 2021-01-01 | 袁利华 | Anti-impact check valve |
CN112161086B (en) * | 2020-09-05 | 2022-03-15 | 北阀集团北京阀门有限公司 | Anti-impact check valve |
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Publication number | Publication date |
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CN106924852B (en) | 2019-06-21 |
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