CN208726754U - Artificial airway device with double wall connector - Google Patents
Artificial airway device with double wall connector Download PDFInfo
- Publication number
- CN208726754U CN208726754U CN201690000811.4U CN201690000811U CN208726754U CN 208726754 U CN208726754 U CN 208726754U CN 201690000811 U CN201690000811 U CN 201690000811U CN 208726754 U CN208726754 U CN 208726754U
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- China
- Prior art keywords
- wall section
- airway device
- connector
- hole
- flange portion
- Prior art date
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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
- A61M16/04—Tracheal tubes
- A61M16/0402—Special features for tracheal tubes not otherwise provided for
- A61M16/0409—Special features for tracheal tubes not otherwise provided for with mean for closing the oesophagus
-
- 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
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0816—Joints or connectors
-
- 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
- A61M16/04—Tracheal tubes
- A61M16/0402—Special features for tracheal tubes not otherwise provided for
- A61M16/0415—Special features for tracheal tubes not otherwise provided for with access means to the stomach
-
- 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
- A61M16/04—Tracheal tubes
- A61M16/0434—Cuffs
- A61M16/044—External cuff pressure control or supply, e.g. synchronisation with respiration
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Emergency Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- External Artificial Organs (AREA)
Abstract
A kind of artificial airway device (1) with double wall connector has the reduction dead zone that can verify that.The artificial airway device has the pneumatic duct (5) for being adapted for insertion into patient's body, the pneumatic duct has hole, pneumatic duct that distal end (7) is extended to from the proximal end (6) of the pneumatic duct further include: connector (2), the connector includes longitudinal hole (12) and the first wall section (18), which extends from flange portion (14) and be suitable for being inserted into the hole in the proximal end of the pneumatic duct；Machine connector part (13), the machine connector part has the second wall section (20), second wall section extends from the flange portion towards the direction opposite with first wall section and is adapted to be coupled to breathing apparatus, the machine connector part further includes third wall section (21), the third wall section extends from the flange portion towards the direction opposite with first wall section, and wherein the third wall section is preferably in the second wall section internal stretch.
Description
The present invention relates to a kind of artificial airway devices with connector.
In the technical field of the artificial airway devices such as such as laryngeal mask and endotracheal tube it is well known that in the close of pneumatic duct
End setting connector, to allow for artificial airway device to be connected to the breathing apparatus such as ventilator.Such connector can be such as
It is known that this document disclose a kind of connector for laryngeal mask, which includes from open file WO 2007/071429
Connector body；Flange portion, the flange portion from the connector body radially；It is inserted into section, the insertion section is suitable
It is inserted in the hole in the proximal end of the pneumatic duct in the laryngeal mask to support pneumatic duct and machine coupling part in use.
Typically, artificial airway device is connected to the breathing apparatus such as the ventilator with breathing circuit so that from patient to
Breathing apparatus forming circuit.In this case, the dead zone at the patient end far from breathing apparatus determines the weight of exhaled gas
Soakage.Dead zone is the volume for sucking, being not engaged in the air of gas exchanges (that is, exchange of oxygen and carbon dioxide).It is right
For the adult with larger moisture lung volume, this is not usually problem, but in patient end tidal volume close to dead zone
Pediatric patients for, this may be problem.Generally, it either spontaneously breathes and still mechanically ventilates, manually
The sucking again of exhaled gas all may be problem for any patient (children or adult) in the dead zone of airway device.Due to exhaling
CO caused by the sucking again of gas out2Accumulation can finally reduce the pH value of tissue, this may generate significant consequences.Moreover,
CO2Accumulation may be associated with oxygen reduction, there may be more urgent and terrible consequences for this.This is not only for pediatric patients
Especially a problem, and the patient of (such as obesity, asthma, restricted pulmonary disease) small for other oxygen reserves amounts is also
Problem.
These problems are resolved in US 2014/0338669, are disclosed in this document a kind of for the double of pneumatic duct
Wall connector.Although this connector solves the problems, such as dead zone itself, which has the shortcomings that, especially with doctor
Institute's program is related but also related with manufacture.
More specifically, the double wall connector of US/2014/0338669 includes the center annular rib with center port.Close
It holds at (that is, the one end for being adapted to be coupled to breathing circuit), there are two concentric wall sections, therefrom heart rib prolongs these concentric wall sections
It stretches, the outer surface of outer concentric walls is configured to standard interface to be connected to standardization pipe from breathing apparatus.Interior concentric walls and center
Aperture is connected to allow air to pass through.The height of two concentric walls is essentially identical, so that forming toroidal cavity between them.It should
Air in toroidal cavity is quasi-static and will not participate in air exchange by connector, therefore is actually reduced dead
Area.
In some like mode, two concentric wall sections are also disposed in the opposite side of center rib, that is, towards connector
Distal end extend, and interior concentric walls are connected to allow air to pass through with center port.Interior concentric wall part and outer concentric wall portion
The respective inner surfaces divided all are tapered such that the proximal end of the pneumatic duct of patient is led in receiving.The details of pneumatic duct is not disclosed.
By this method, depending on the desired size of pneumatic duct, pneumatic duct can be inserted into the interior table by outer wall section or inner wall section
In the slightly conical cavity that face is formed.
This mode that connector is adapted to be used to be inserted into pneumatic duct is led to the problem of at least two.
One problem is that connector cannot be used together with certain pneumatic ducts, and such as laryngeal mask, laryngeal mask is attached proximal end at it can
Can have exterior groove or other surfaces feature and typically there is opposite tapered portion, i.e., direction exists from attachment proximal end
The cover portion of far-end point narrows.
Another problem is that being correctly inserted into for pneumatic duct is not easy to verify.That is, medical worker, which must have, to be ensured
The plain mode that pneumatic duct is fully inserted into, because if without this plain mode, dead zone will undesirably increase, and
And this increase is likely to be detected.Visual inspection is impossible, because especially when inserting a tube into cylinder
When wall part, concentric outer wall section and inner wall section can make eyesight distort or obscure.If airway device is with pre-assembly
State shipment, then the impossibility visually inspected is obviously equally applicable to the quality control of manufacturer, although manufacturer is certain
There can be a possibility that other quality control in the fabrication process.
In view of the foregoing, the object of the present invention is to provide a kind of artificial airway's dresses with the reduction dead zone that can verify that
It sets.
In the first aspect of the invention, this purpose is realized by a kind of artificial airway device, the artificial airway
Device, which has, is adapted for insertion into the pneumatic duct of patient's body, the pneumatic duct have from the proximal end of the pneumatic duct extend to distal end hole,
And it is connected to the connector of the proximal end of the pneumatic duct, which has longitudinal hole and includes: the first wall section, this first
Wall section extends from flange portion and is suitable for being inserted into the hole in the proximal end of the pneumatic duct；Second wall section, the second wall area
Section extends from the flange portion towards the direction opposite with first wall section and is adapted to be coupled to breathing apparatus, the wherein connection
Device further includes third wall section, which extends from the flange portion towards the direction opposite with first wall section.By
In having the first wall section, which extends from the flange portion and is suitable for being inserted into the hole in the proximal end of the pneumatic duct
In, so the connector can be simply plugged into the pneumatic duct until the proximal end of the pneumatic duct abuts the flange.This abutting
Provide the connector and completely and be correctly inserted into this specific touch feedback, such as have a question, can by the flange and
It is very close to each other between the proximal end of pneumatic duct simply to visually inspect in this way easily to verify.Meanwhile it is significant that the third wall is arranged
Reduce the dead zone of connector used in dead zone, the especially artificial airway device of paediatrics size.Setting with second wall
The third wall section that the identical side of section upwardly extends allows to reduce or adjust the minimal internal dead space of the connector.The connector is typical
Ground is injection molding, it is, therefore, possible to provide the third wall section is without additionally cooling down to avoid second wall section
Warpage must be formed as in accurate tolerance, so as to the standard connector always with such as breathing circuit or resuscitator
Perfect cooperation.
In embodiment, the longitudinal hole of the connector is formed by first wall section and the third wall section.?
In another embodiment, the third wall section is in the second wall section internal stretch.Further, it is in fact preferable that these
Wall section is cylindrical.In another practical embodiments, second wall section and the third wall section are coaxial.
In the second aspect of the present invention, this purpose is realized by a kind of connector, which is adapted to be coupled to
The proximal end of the pneumatic duct, the connector have longitudinal hole and include: the first wall section, which prolongs from flange portion
It stretches and is suitable for being inserted into the hole in the proximal end of the pneumatic duct,
Second wall section, second wall section extend from the flange portion towards the direction opposite with first wall section and
Be adapted to be coupled to breathing apparatus, wherein the connector further includes third wall section, the third wall section from the flange portion towards with
The opposite direction of first wall section extends.
In the practical embodiments of second aspect of the present invention, which further includes third wall section, the third wall section
Extend from the flange portion towards the direction opposite with first wall section.
In embodiment, the longitudinal hole of the connector is formed by first wall section and the third wall section.?
In another embodiment, the third wall section is in the second wall section internal stretch.Further, it is in fact preferable that wall area
Section is cylindrical.In another practical embodiments, second wall section and the third wall section are coaxial.
Based on non-restrictive illustrative embodiment and the present invention will be described in greater detail with reference to the accompanying drawings now, in attached drawing
In:
Fig. 1 shows the laryngeal mask according to the present invention with connector,
Fig. 2 is the perspective view of connector according to the present invention,
Fig. 3 is the side view of connector according to the present invention,
Fig. 4 is another perspective view of connector according to the present invention,
Fig. 5 is another side view of connector according to the present invention,
Fig. 6 is the section view intercepted along the line A-A of Fig. 5.
In fig. 1 it is shown that the laryngeal mask 1 according to an embodiment of the present invention with connector 2.Shown laryngeal mask 1 is this type
Type: it includes stomach tube 3, which allows to take out stomach substance in the case where gastric disorder causing nausea when laryngeal mask 1 is placed on patient's body,
The atrium of larynx quilt cover part 4 of middle patient seals, and patient is ventilated via pneumatic duct 5.Pneumatic duct is adapted for insertion into patient's body
It is interior.The laryngeal mask of known schematic depiction is set from the US-A-4995388 having expired now and especially from US-A-5241956
There is stomach tube 3.However, connector according to the present invention is not limited to this specific type as will appear from the following description
Laryngeal mask.In the following description, the present invention is described in conjunction with laryngeal mask.However, for technicians it is evident that according to this
The connector 2 of invention can be used in combination with other artificial airway devices such as such as trunnions and endotracheal tube.
Since laryngeal mask 1 will be inserted into patient's body, so PVC system of the laryngeal mask preferably by being free of phthalic acid ester
At.The pneumatic duct 5 of laryngeal mask 1 has hole, which extends to distal end 7 from the proximal end of pneumatic duct 56, by 4 circular apertures of cover portion point
Middle termination.Generally, what artificial airway device according to the present invention was equipped with cover portion such as in the embodiment shown point 4 can
Inflate cuff.Inflatable cuff is used to make the artificial airway when being placed correctly under patient's body in artificial airway device
Device is held in place and/or seals.Pneumatic duct 5 is configured so that when in use the tooth of patient connects at teeth contact point
Touch proximal end.Connector 2 (being preferably made of copolyesters) is assemblied in the proximal end 6 of pneumatic duct 5.For the sake of integrality, laryngeal mask
Device further includes gas tube 8, and the distal end of the gas tube is connected to inflate it and the proximal end of the gas tube exists with cover portion point 4
It is terminated in pilot balloon 9, this allows to carry out touch detection to the blowing pressure of cover portion point 4.Pilot balloon 9 includes valve 10, the valve
It is adapted for insertion into the tip of syringe, so that cover portion point is inflated and is deflated via pilot balloon 9 and gas tube 8.
Fig. 2 to Fig. 6 shows separately connector.Connector 2 be substantially it is cylindrical, have and run through longitudinal hole 12.Even
The proximal end for connecing device 2 includes standardization machine connector part 13, which, which is suitable for laryngeal mask being connected to breathing, sets
It is standby.Flange portion 14 is used as stop part from connector body radially and when connector 2 to be inserted into pneumatic duct 5.
Flange portion 14 can have cut-out 15, which is suitable for releasedly holding gas tube 8.Further, flange
Part 14 can have cut-out or hole 16, and the cut-out or hole are suitable for holding and guide stomach tube 3.Connector 2 it is remote
End is equipped with insertion portion 17, which is suitable for being inserted into the hole in the proximal end of pneumatic duct 5.Insertion portion 17 is used for as a result,
Support pneumatic duct 5 in use.Connector 2 can be releasably connected to the proximal end of pneumatic duct 5.For example, working as connector 2
When being used together with the artificial airway device of such as endotracheal tube, this be will be understood by, and wherein pneumatic duct 5 is traditionally being inserted into
By fixed length cutting after patient's body.As explained above, this is the present invention compared with one of advantageous situation of the prior art, because this
Invention allows correct assembling and experiencing and seeing endotracheal tube abutment flange part 14 to connector and endotracheal tube
Or it assembles verified again.It is same if carrying out intubation with endotracheal tube by laryngeal mask.It that case, tracheae
The connector needs of inner tube are removed for taking out laryngeal mask and then ressemble.
Insertion portion 17 is formed by single first cylindrical wall 18, and first cylindrical wall is vertical far from flange portion 14
Extend to ground.Elongated slot 19 can be set in the first cylindrical wall 18 to facilitate after injection molding by connector
It is removed from mold.Machine connector part 13 include the second cylindrical wall 20, second cylindrical wall with first cylinder
18 opposing longitudinal side of wall upwardly extends.The shape and construction of second wall section 20 of machine connector part 13 are by such
What the common standard of machine connector part determined.As seen in Figure 4, machine connector part 13 further includes third cylindrical wall
21, which upwardly extends in side identical with the first cylindrical wall 20.Generally, wall section 18,20,21 is
It is cylindrical or substantially cylindrical.It is substantially cylindrical to mean that wall section can be slightly frustoconical, with
Just facilitate to remove from shaping jig.In an illustrated embodiment, the outer surface 23 of the second wall section 20 is slightly in butt
Taper, to ensure to be stably connected with to the standard connector of breathing circuit or such as resuscitator breathing apparatus.Third wall section
21 is coaxial with the second wall section 20 and in 20 internal stretch of the second wall section, so that in third wall section 21 and the second wall section
Inner cavity 26 is formed between 20.
Such as from the best finding of Fig. 6, flange portion 14 forms connection, position between the second wall section 20 and third wall section 21
Intermediate in the proximal end of connector 2 and distal end, wherein insertion portion 17 is located at distal end and machine connector part 13 is located at connection
The proximal end of device 2.The thickness T1 that first wall section 18 of insertion portion 17 has is from the inner surface 24 of the first wall section 18 to
What the outer surface 25 of one wall section 18 radially obtained.The thickness T2 that machine connector part 13 has is from third wall section 21
What the outer surface 23 of 22 to the second wall section 20 of inner surface radially obtained.Thickness T2 is at least twice of thickness T1.Preferably, T2
About 3-4 times of T1.Flange portion 14 preferably radially extends from the first wall section 18 and can extend beyond machine company
Connect the second wall section 20 of device part 13.This allows that cut-out and hole 15,16 is arranged.Obviously, flange portion can use more
Kind form and the outer surface 23 that the second wall section 20 can be extended only in the simplest embodiment.Equally, air flue is depended on
The construction of the proximal end of pipe 5 and the hole in the proximal end of the pneumatic duct, from the transition part of 18 to the second wall section 20 of the first wall section
Dividing can be more more curved than the embodiment shown and smooth.
Substantially, flange portion 14 is formed by annular ring 27, and wall section 18,20,21 extends from the annular ring.First
Wall section 18 and third wall section 21 extend in the opposite direction from the inward flange of annular ring 27, and the second wall section 20 is from annular
The outer edge of circle 27 extends.Therefore, annular ring 27 forms the bottom wall for defining inner cavity 26, and the inner cavity is in third wall section 21 and second
It is formed between wall section 20.The longitudinal hole 12 that runs through of connector 2 has internal diameter D, is by the first wall section 18 and third wall section
21 formation.Therefore, the first wall section 18 and third wall section 21 are substantially having the same interior in the whole length in hole 12
Diameter D.Hole 12 is thus presented on circumferentially and longitudinally upper smooth and continuous hole surface.Specifically, near flange portion 14, this ratio
Prior art US 2014/0338669 is advantageous, in the prior art, provided with the taking-up channel with prominent edge, because
Compared with smooth through-bore 12 of the invention, these features complicate injection molding.
Embodiment according to the present invention provide dead zone reduce for pediatric airway device can with only have first
It is compared with the old connector of the second wall section and dead zone is reduced by about 50% or more, wherein the thickness of machine connector part 13 is simultaneously
The not significantly greater than thickness of the first wall section 18.For pediatric airway device, such dead zone, which reduces can have, significantly to be faced
Bed difference.Especially when connector is used together with the endotracheal tube for children or infants, wherein the dead zone of connector 2 is constituted
The pith in the entire dead zone of airway device, because endotracheal tube can have the inner cavity of as low as 1-2mm diameter.
If desired, the inner cavity 26 between the second wall section 20 and third wall section 21 can fill solid just like UV
Change the moulding materials such as adhesive.Alternatively, can by be integrally formed the machine connector part 13 without inner cavity 26 come
The connector 2 that dead zone reduces is provided, wherein machine connector part 13 only includes a wall section.Form machine connector portion
The thickness for the wall section divided should have thickness T2, thickness T2 to be at least twice or more of thickness T1 in turn.However, this
Method also needs to be cooled down in the fabrication process, to avoid machine connector part warpage after formation, to meet
The tolerance of required standard machine connector part.Therefore, compared with the discribed connector 2 of such as Fig. 2 to Fig. 6, have this
The manufacture of the connector 2 of construction will costly with it is cumbersome, wherein dead zone reduce be by provide third wall section 21 to reduce
The dead zone of connector 2 and realize.
Claims (11)
1. a kind of artificial airway device (1), which has the pneumatic duct (5) for being adapted for insertion into patient's body, the gas
Deferent (5), which has, to be extended to the hole of distal end from the proximal end of the pneumatic duct (5) and is connected to the company of the proximal end of the pneumatic duct (5)
Device (2) are connect, which has longitudinal hole (12) and include:
First wall section (18), first wall section extend from flange portion (14) and are suitable in the proximal end of the pneumatic duct (5)
It is inserted into the hole,
Second wall section (20), second wall section is from the flange portion (14) towards the direction opposite with the first wall section (18)
Extend and be adapted to be coupled to breathing apparatus, and
Third wall section (21), the third wall section is from the flange portion (14) towards the direction opposite with the first wall section (18)
Extend,
It is characterized in that, the flange portion (14) includes cut-out or hole (16), the cut-out or hole be suitable for fixing and
It guides stomach tube (3).
2. artificial airway device (1) according to claim 1, wherein the longitudinal hole (12) of the connector (2) is by this
What the first wall section (18) and the third wall section (21) were formed.
3. artificial airway device (1) according to claim 1, wherein the third wall section (21) is in second wall section
(20) internal stretch.
4. artificial airway device (1) according to claim 2, wherein the third wall section (21) is in second wall section
(20) internal stretch.
5. according to the above artificial airway device (1) described in any one of Claims 1-4, wherein these wall sections (18,
It 20,21) is cylindrical.
6. artificial airway device (1) according to claim 5, wherein second wall section (20) and the third wall section
It (21) is coaxial.
7. according to the above artificial airway device (1) described in any one of Claims 1-4, wherein the longitudinal hole (12) has
Hole surface, the hole surface are at least nearby in circumferentially and longitudinally Smooth and continuous in the flange portion (14).
8. according to the above artificial airway device (1) described in any one of Claims 1-4, wherein the airway device (1) is
Supraglottic airway device.
9. artificial airway device (1) according to claim 8, wherein the airway device (1) is laryngeal mask.
10. according to the above artificial airway device (1) described in any one of Claims 1-4, wherein the airway device (1) is
Endotracheal tube.
11. a kind of connector (2), the connector are adapted to be coupled to the proximal end of pneumatic duct (5), which has longitudinal hole
(12) and include:
First wall section (18), first wall section extend from flange portion (14) and are suitable in the proximal end of the pneumatic duct (5)
It is inserted into the hole,
Second wall section (20), second wall section is from the flange portion (14) towards the direction opposite with the first wall section (18)
Extend and be adapted to be coupled to breathing apparatus, and
Third wall section (21), the third wall section are prolonged from the flange portion towards the direction opposite with the first wall section (18)
It stretches,
It is characterized in that, flange portion (14) includes cut-out or hole (16), the cut-out or hole are suitable for holding and drawing
Lead stomach tube (3).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DKPA201570313 | 2015-05-27 | ||
| DKPA201570313 | 2015-05-27 | ||
| PCT/DK2016/050147 WO2016188536A1 (en) | 2015-05-27 | 2016-05-26 | An artificial airway device with double walled connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208726754U true CN208726754U (en) | 2019-04-12 |
Family
ID=61018245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201690000811.4U Active CN208726754U (en) | 2015-05-27 | 2016-05-26 | Artificial airway device with double wall connector |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3217511U (en) |
| CN (1) | CN208726754U (en) |
| DE (1) | DE212016000101U1 (en) |
| WO (1) | WO2016188536A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3749169A4 (en) * | 2018-02-07 | 2021-11-17 | Ananthanarayanan, Kalyanaraman | Supraglottic airway device with a dynamic cuff with superior ventilating capability |
| GB201810485D0 (en) * | 2018-06-26 | 2018-08-08 | Teleflex Life Sciences Unlimited Co | Connector |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2218909A (en) * | 1988-05-26 | 1989-11-29 | John Harnedy | Improvements in and relating to endotracheal tubes |
| GB2229367A (en) | 1989-03-22 | 1990-09-26 | Archibald Ian Jeremy Brain | Artificial airway device |
| US5241956A (en) | 1992-05-21 | 1993-09-07 | Brain Archibald Ian Jeremy | Laryngeal mask airway with concentric drainage of oesophagus discharge |
| DE9408960U1 (en) * | 1994-06-01 | 1994-08-04 | Scheu Rolf Rainer | Universal connector for connecting breathing gas sources |
| EP1800706A1 (en) | 2005-12-22 | 2007-06-27 | Unomedical A/S | Laryngeal mask |
| CN103157164B (en) | 2011-12-15 | 2016-08-03 | 深圳迈瑞生物医疗电子股份有限公司 | Airway adapters |
-
2016
- 2016-05-26 WO PCT/DK2016/050147 patent/WO2016188536A1/en active Application Filing
- 2016-05-26 JP JP2017600133U patent/JP3217511U/en active Active
- 2016-05-26 DE DE212016000101.9U patent/DE212016000101U1/en active Active
- 2016-05-26 CN CN201690000811.4U patent/CN208726754U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP3217511U (en) | 2018-08-16 |
| DE212016000101U1 (en) | 2018-01-08 |
| WO2016188536A1 (en) | 2016-12-01 |
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