CN209464455U - The double noses of bellows are inserted - Google Patents

The double noses of bellows are inserted Download PDF

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Publication number
CN209464455U
CN209464455U CN201821662449.4U CN201821662449U CN209464455U CN 209464455 U CN209464455 U CN 209464455U CN 201821662449 U CN201821662449 U CN 201821662449U CN 209464455 U CN209464455 U CN 209464455U
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China
Prior art keywords
interpolating unit
bellows
nose
elastic nose
elastic
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Expired - Fee Related
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CN201821662449.4U
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Chinese (zh)
Inventor
刘坚
戚静
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刘坚
戚静
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Priority to CN201821662449.4U priority Critical patent/CN209464455U/en
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Abstract

The utility model discloses a kind of double noses of bellows and inserts, and it includes delivery conduit and two nasal intubations that the double noses of the bellows, which are inserted, offers two interfaces on the delivery conduit;Two nasal intubations are separately connected two interfaces, and the nasal intubation includes elastic nose interpolating unit, and flexible deformation can occur for the bullet nose interpolating unit, to adjust the gap between the elastic nose interpolating unit and nasal cavity.The double noses of bellows disclosed by the utility model are inserted, and not only can guarantee Positive Airway Pressure, but also can avoid airway pressure fluctuation excessive by gas leakage, to reduce the side effects such as pneumothorax, carbon dioxide retention.

Description

The double noses of bellows are inserted
Technical field
The utility model relates to medical appliance field, in particular to the double noses of a kind of bellows are inserted.
Background technique
Need to exhale support after many newborn's especially Premature Births.The popularization and use of mechanical ventilation, make newborn Treatment success rate greatly improves.But the side effect of mechanical ventilation and prognosis at a specified future date are increasingly by the attention of expert.Such as Intraventricular hemorrhage, pneumothorax, broncho-pulmonary dysplasia, expiration machine pneumonia, necrotizing enterocolitis etc., seriously affect Prognosis increases infant mortality rate and disability rate.In recent years, noninvasive ventilation mode such as nasal intermittent positive pressure ventilation (Nasal Intermittent positive pressure ventilation, NIPPV), nasal continuous Positive Airway Pressure (nasal Continuous positive airway pressure, NCPAP) isotype is being widely used to promote, greatly reduce through The side effect of the mechanical ventilation of trachea cannula.And in newborn's expiration Distress Syndrome (NRDS), newborn's expiratory apnea, new life There is the curative effect of affirmative in many diseases such as youngster's pneumonia.But, the application of NIPPV, NCPAP still has a certain proportion of complication Occur, such as carbon dioxide retention, intraventricular hemorrhage, pneumothorax.
Currently, causing the exact cause of intraventricular hemorrhage, pneumothorax not too much clear.Due to positive airway pressure with naturally exhale Maximum difference is Positive Airway Pressure.The pipe end such as nose that unsuitable ventilating mode, baby's mouth and nose contact inserts (nasal Prongs) or nose cup (nasal masks) can cause baby it is restless, exhale confrontation, cause airway pressure to fluctuate, excessively high airway pressure It is discharged when beyond one's ability.This research team thinks that the complication such as generation intraventricular hemorrhage, pneumothorax are gentle with excessively high Positive Airway Pressure Road pressure oscillation is excessive related.It is observed that pressure set on water-sealed drainage bottle is not always equal to expiration in previous experiments The variation of road pressure, pipeline is more elongated, and pressure difference is bigger, and airway pressure fluctuation is bigger.However, existing equipment and accessory are very Hardly possible is by setting pressure parameter, to control airway pressure, avoids airway pressure fluctuation excessive.
Utility model content
The main purpose of the utility model is to propose that a kind of double noses of bellows are inserted, it is intended to control airway pressure, avoid airway pressure Fluctuation is excessive.
To achieve the above object, the utility model proposes the double noses of bellows insert, comprising:
Delivery conduit offers two interfaces on the delivery conduit;
Two nasal intubations, are connected respectively two interfaces, and the nasal intubation includes elastic nose interpolating unit, the elastic nose Flexible deformation can occur for interpolating unit, to adjust the gap between the elastic nose interpolating unit and nasal cavity.
Preferably, the elastic nose interpolating unit is convexly curved setting.
Preferably, the elastic nose interpolating unit is elastic balloon structure.
Preferably, the nasal intubation further includes interconnecting piece, and one end of the interconnecting piece connects the interface, the connection The other end in portion connects the elastic nose interpolating unit, and the wall thickness of the elastic nose interpolating unit is less than the wall thickness of the interconnecting piece.
Preferably, the wall thickness of the elastic nose interpolating unit is 0.05mm-0.5mm.
Preferably, the elastic nose interpolating unit is provided with air guide portion far from one end of the interconnecting piece.The air guide portion it is straight Diameter is less than or equal to the diameter of the interconnecting piece.
Preferably, the length of the elastic nose interpolating unit is 1.0cm~1.5cm.
Preferably, the material of the nasal intubation is silica gel.
Preferably, the both ends of the delivery conduit are connected separately with two gas transmission branch pipes.
Preferably, the diameter of the delivery conduit is greater than the diameter of the gas transmission branch pipe.
The technical solution of the utility model on delivery conduit by opening up two interfaces, for the installation of two nasal intubations, institute Stating nasal intubation includes elastic nose interpolating unit, and flexible deformation can occur for the elastic nose interpolating unit, to adjust the elastic nose interpolating unit and nose Gap between chamber.In patient breaths, the elastic nose interpolating unit is passively expanded, and guarantees Positive Airway Pressure;In patient expiration, institute It states elastic nose interpolating unit to be compressed, increases the gap between elastic nose interpolating unit and nasal cavity, to increase nose bleeder gas, and gas Road pressure is bigger, and nose bleeder gas also increases with it;In this way, the double noses of the utility model bellows are inserted and not only can guarantee Positive Airway Pressure, but also can By nose bleeder gas, avoid airway pressure fluctuation excessive, to reduce the pairs such as carbon dioxide retention, intraventricular hemorrhage, pneumothorax Effect.Meanwhile the double noses of the bellows insert have it is ultra-thin, soft, be fixed easily and the characteristics such as not easily to fall off.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram that the double noses of the utility model bellows insert an embodiment;
Fig. 2 is the structural schematic diagram that the double noses of the utility model bellows insert another embodiment;
Fig. 3 is the section view that the double noses of bellows are slotting in Fig. 2.
Drawing reference numeral explanation:
Label Title Label Title
100 Double noses are inserted 130 Nasal intubation
110 Delivery conduit 131 Interconnecting piece
111 Interface 132 Elastic nose interpolating unit
120 Gas transmission branch pipe 133 Air guide portion
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture) Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of case is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of double noses of bellows to insert, wherein the double noses of the bellows, which are inserted, is specifically related to a kind of disposable infant Transnasal vent is inserted with the double noses of bellows.
Please refer to Fig.1 to Fig.3, the utility model proposes the double noses of bellows insert 100, including delivery conduit 110 and two noses Intubation 130.Two interfaces 111 are offered on the delivery conduit 110;Two nasal intubations 130 are connected respectively described in two Interface 111, the nasal intubation 130 include elastic nose interpolating unit 132, and flexible deformation can occur for the elastic nose interpolating unit 132, to adjust Save the gap between the elastic nose interpolating unit 132 and nasal cavity.
Specifically, the delivery conduit 110 is mainly used for conveying gas (such as oxygen to two nasal intubations 130 Deng), which can have an air inlet or two air inlets.In order to guarantee to input in two nasal intubations 130 Air flow rate and flow velocity are more balanced, and in one embodiment, the both ends of the delivery conduit 110 are respectively equipped with two air inlets, two institutes It states air inlet and has been connected respectively two gas transmission branch pipes 120.Two interfaces 111 are along the length side of the delivery conduit 110 To being set in distance.
In the utility model embodiment, the nasal intubation 130 is substantially cylindrical.The axis of two nasal intubations 130 Between spacing be 0.5cm~1.5cm, optionally, spacing between the axis of two nasal intubations 130 be 0.8cm, 0.9cm, 1.0cm etc., but not limited to this.For the ease of molding, the nasal intubation 130 is integrally formed setting.Certainly, the nasal intubation 130 can also be split settings.The nasal intubation 130 has inlet end and outlet side, and the inlet end is connected to the interface 111, the outlet side is for conveying gas into nasal cavity.Here, the outlet side can be formed in the elastic nose interpolating unit 132 far One end (as shown in Figure 1) from the interface 111, certainly, the outlet side can also be formed in the other of the nasal intubation 130 Position, such as air guide portion 133 (as shown in Figure 2).
In the utility model embodiment, in patient breaths, the elastic nose interpolating unit 132 is expanded, in patient expiration, The elastic nose interpolating unit 132 is compressed.In order to which preferably two nasal intubations 130 are put into patient's nasal cavity, and the nasal intubation 130 will not fall off from nasal cavity, and the equivalent diameter of the elastic nose interpolating unit 132 cannot be excessive, can not be too small.Because if elastic nose The diameter of interpolating unit 132 is smaller namely elastic nose interpolating unit 132 is thinner, and the gap between elastic nose interpolating unit 132 and nasal cavity is bigger, then Gas leakage is more, cannot maintain Positive Airway Pressure appropriate;If the diameter of elastic nose interpolating unit 132 is bigger namely elastic nose interpolating unit 132 is got over Slightly, elastic nose interpolating unit 132 is bonded closer with nasal cavity, and the gap between elastic nose interpolating unit 132 and nasal cavity is smaller, is on the one hand easy Vestibulum nasi is damaged, is on the other hand also easy to lead to carbon dioxide retention.So the equivalent diameter of the elastic nose interpolating unit 132 is excellent It is selected as 0.2cm~0.5cm, for example, the equivalent diameter of the elastic nose interpolating unit 132 is 0.2cm, 0.3cm, 0.4cm, 0.5cm etc.. It should be noted that the equivalent diameter of the elastic nose interpolating unit 132 refers to, the elastic nose interpolating unit 132 is perpendicular to air-flow side Upward maximum diameter of hole.
The length of the elastic nose interpolating unit 132 is 1.0cm~1.5cm, optionally, the length of the elastic nose interpolating unit 132 For 1.2cm, 1.3cm, 1.4cm etc..The material of the elastic nose interpolating unit 132 is elastic material, and specifically, the elastic material can Think rubber, silica gel, ABS etc..Since the material of elastic nose interpolating unit 132 is elastic material, elastic force is good, is easy in patient breaths Expansion, better ensures that end inspiratory positive pressure;It is easy to be compressed in patient expiration, increases the elastic nose interpolating unit 132 and nasal cavity Between gap, increase nose bleeder gas.
The technical solution of the utility model on delivery conduit 110 by opening up two interfaces 111, for two nasal intubations 130 installations, the nasal intubation 130 include elastic nose interpolating unit 132, and flexible deformation can occur for the elastic nose interpolating unit 132, to adjust Gap between the elastic nose interpolating unit 132 and nasal cavity.In patient breaths, the passively expansion of elastic nose interpolating unit 132 guarantees Positive Airway Pressure;In patient expiration, the elastic nose interpolating unit 132 is compressed, and is increased between elastic nose interpolating unit 132 and nasal cavity Gap, to increase nose bleeder gas, and airway pressure is bigger, nose bleeder gas is also increased with it;In this way, the utility model capsule The double noses of formula, which insert 100, not only can guarantee Positive Airway Pressure, but also airway pressure fluctuation can be avoided excessive, to reduce by nose bleeder gas The side effects such as carbon dioxide retention, intraventricular hemorrhage, pneumothorax.Meanwhile the double noses of the bellows insert 100 have it is ultra-thin, soft, be fixed easily And the characteristics such as not easily to fall off.
About the elastic nose interpolating unit 132 structure there are many, referring to Fig. 1, in the present embodiment, the elastic nose is inserted Portion 132 is convexly curved setting, but not limited to this.Specifically, the cross section of the elastic nose interpolating unit 132 it is generally circular or Person's ellipse.In this way, in patient breaths, the passively expansion of elastic nose interpolating unit 132 reduces the elastic nose interpolating unit 132 Gap between nasal cavity, namely the air flow rate by elastic nose interpolating unit 132 is increased, to ensure that Positive Airway Pressure;? When patient expiration, the elastic nose interpolating unit 132 is compressed, and the gap between elastic nose interpolating unit 132 and nasal cavity is increased, to increase Nose bleeder gas is added.Optionally, the elastic nose interpolating unit 132 is elastic balloon structure, such as balloon, when to the elastic balloon knot When structure inner inflatable, which can expand;And flexible deformation can occur when the elastic balloon structure is compressed, it should Elastic balloon structural volume becomes smaller.
Further, the nasal intubation 130 further includes interconnecting piece 131, and the interconnecting piece 131 is cylindrical, the connection The one end in portion 131 connects the interface 111, and the other end of the interconnecting piece 131 connects the elastic nose interpolating unit 132.Wherein, The diameter of the elastic nose interpolating unit 132 is greater than the diameter of the interconnecting piece 131.The elastic nose interpolating unit 132 and the interconnecting piece 131 can be integrally formed setting, or split settings, for example, the elastic nose interpolating unit 132 and the interconnecting piece 131 It bonds together.
In order to enable elastic nose interpolating unit 132 is easier that flexible deformation occurs, the wall thickness of the elastic nose interpolating unit 132 can be made Less than the wall thickness of the interconnecting piece 131.Specifically, the wall thickness of the elastic nose interpolating unit 132 is 0.05mm-0.5mm, for example, institute The wall thickness for stating elastic nose interpolating unit 132 is 0.1mm, 0.15mm, 0.2mm, 0.3mm etc..Here, the elastic nose interpolating unit 132 is done It is relatively thin, be conducive to elastic nose interpolating unit 132 occur flexible deformation, to be conducive to the elastic nose interpolating unit 132 in patient breaths Expansion, is compressed in patient expiration.
In the utility model embodiment, the elastic nose interpolating unit 132 is provided with far from one end of the interconnecting piece 131 and leads Gas portion 133, the air guide portion 133 is cylindrical, and the air guide portion 133 is provided with far from one end of the elastic nose interpolating unit 132 Outlet side.Here, the air guide portion 133 is mainly used for air-flow being oriented to nasal cavity, prevent air-flow from elastic nose interpolating unit 132 with Gap outflow between nasal cavity.Wherein, the diameter in the air guide portion 133 is less than the diameter of the elastic plug division, works as nose in this way When the air flow rate and larger flow velocity that are intubated in 130, the elasticity plug division can also play certain buffer function, avoid gas Pressure oscillation is excessive in road.
Again referring to Fig. 1, the diameter of the delivery conduit 110 is greater than the diameter of the gas transmission branch pipe 120.In this way, described Delivery conduit 110 can play certain buffer function, even if the air flow rate and flow velocity in the two gas transmission branch pipes 120 occur Fluctuation, will not influence the air flow rate and flow velocity in influx nasal intubation 130, so as to be effectively prevented from airway pressure Fluctuation, and then reduce the side effects such as pneumothorax, carbon dioxide retention.
It is confirmed through clinical test, the double noses of the utility model bellows insert 100 and are used for NCPAP, not only can guarantee Positive Airway Pressure, but also can It avoids airway pressure from fluctuating by gas leakage excessive, reduces the side effects such as pneumothorax, carbon dioxide retention.In test, using pressure Force snesor test confirms that airway pressure fluctuates situation to be inserted significantly better than traditional nose.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of double noses of bellows are inserted characterized by comprising
Delivery conduit offers two interfaces on the delivery conduit;
Two nasal intubations are connected respectively two interfaces, and the nasal intubation includes elastic nose interpolating unit, the elastic nose interpolating unit Flexible deformation can occur, to adjust the gap between the elastic nose interpolating unit and nasal cavity.
2. the double noses of bellows as described in claim 1 are inserted, which is characterized in that the elastic nose interpolating unit is convexly curved setting.
3. the double noses of bellows as described in claim 1 are inserted, which is characterized in that the elastic nose interpolating unit is elastic balloon structure.
4. the double noses of bellows as described in claim 1 are inserted, which is characterized in that the nasal intubation further includes interconnecting piece, the connection The one end in portion connects the interface, and the other end of the interconnecting piece connects the elastic nose interpolating unit, the elastic nose interpolating unit Wall thickness is less than the wall thickness of the interconnecting piece.
5. the double noses of bellows as claimed in claim 4 are inserted, which is characterized in that the wall thickness of the elastic nose interpolating unit is 0.05mm- 0.5mm。
6. the double noses of bellows as claimed in claim 4 are inserted, which is characterized in that the elastic nose interpolating unit far from the interconnecting piece one End is provided with air guide portion, and the diameter in the air guide portion is less than or equal to the diameter of the interconnecting piece.
7. the double noses of bellows as described in claim 1 to 6 any one are inserted, which is characterized in that the length of the elastic nose interpolating unit For 1.0cm~1.5cm.
8. the double noses of bellows as described in claim 1 to 6 any one are inserted, which is characterized in that the material of the nasal intubation is silicon Glue.
9. the double noses of bellows as described in claim 1 to 6 any one are inserted, which is characterized in that the both ends of the delivery conduit point It is not connected with two gas transmission branch pipes.
10. the double noses of bellows as claimed in claim 9 are inserted, which is characterized in that the diameter of the delivery conduit is greater than the gas transmission The diameter of branch pipe.
CN201821662449.4U 2018-10-12 2018-10-12 The double noses of bellows are inserted Expired - Fee Related CN209464455U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821662449.4U CN209464455U (en) 2018-10-12 2018-10-12 The double noses of bellows are inserted

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821662449.4U CN209464455U (en) 2018-10-12 2018-10-12 The double noses of bellows are inserted

Publications (1)

Publication Number Publication Date
CN209464455U true CN209464455U (en) 2019-10-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821662449.4U Expired - Fee Related CN209464455U (en) 2018-10-12 2018-10-12 The double noses of bellows are inserted

Country Status (1)

Country Link
CN (1) CN209464455U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191008

Termination date: 20201012

CF01 Termination of patent right due to non-payment of annual fee