CN108837267A - Collapsible tube for CPAP - Google Patents
Collapsible tube for CPAP Download PDFInfo
- Publication number
- CN108837267A CN108837267A CN201810809659.XA CN201810809659A CN108837267A CN 108837267 A CN108837267 A CN 108837267A CN 201810809659 A CN201810809659 A CN 201810809659A CN 108837267 A CN108837267 A CN 108837267A
- Authority
- CN
- China
- Prior art keywords
- shrinkable
- snorkel
- patient interface
- pipe
- patient
- 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.)
- Pending
Links
Landscapes
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses the collapsible tubes for CPAP.It is a kind of for convey pressurization can collapsible tube used in breathing equipment of the respiratory air flow to patient, there is about 30mm or smaller internal diameter, about 500g/m or smaller weight, the length that about 2m or smaller does not extend.Collapsible tube include in response to being applied to the power of pipe and extendible part in the range of about 40%-400%, it is extendible to be partially configured to that pipe is restored to its length not extended in the absence of the power that be applied to pipe.It is a kind of for convey pressurization can respiratory air flow breathing equipment, including generate fluid fluid generator and trandfer fluid to patient air flue patient interface.Fluid generator is connected with patient interface by collapsible tube.A method of conveying pressurization can respiratory air flow, including use shrinkable hose connecting fluid generator and patient interface.A kind of mask system for patient, including：Patient interface；The pipe being arranged onto patient interface；Spring is integrated with pipe or is independently formed with pipe.
Description
The application is to be September in 2008 19 application No. is the 201410532767.9, applying date, entitled " be used for
The divisional application of the patent application of the collapsible tube of CPAP ", the patent application 201410532767.9 be application No. is
200810173773.4, the applying date be September in 2008 19, the patent Shen of entitled " collapsible tube for CPAP "
Divisional application please.
Cross reference to related applications
It is mentioned this application claims the U. S. application 60/973,902 submitted for 20th in September in 2007, on November 14th, 2007
The priority of the U. S. application 60/987,825 of friendship and the U. S. application 61/031,407 submitted for 26th for 2 months in 2008, herein
It is incorporated by reference into the full content of each application.
Technical field
The present invention relates to one kind in the sleep-respiratory barrier for treating such as such as obstructive sleep apnea (OSA)
Hinder collapsible tube used in continuous positive airway pressure (CPAP) treatment of (SDB).
Background technique
The application that continuous positive airway pressure (CPAP) for treating obstructive sleep apnea (OSA) is treated is by husky benefit
Literary (Sullivan) is instructed for the first time in United States Patent (USP) 4,944,310.In the CPAP therapy of OSA, forced air or other can
Breathing gas is to be higher than the pressure of atmospheric pressure, such as in the range of 4 arrive 30cm water column, is supplied to the entrance of patient airway, with
" folder (splint) " opens the air flue of patient and prevents obstructive apnea.The device for providing CPAP therapy typically comprises drum
Blower or fluid generator, air delivery conduit, hose or pipe and patient interface, such as mask.
In order to provide effective treatment, sufficient leakproof seal should be kept between patient interface and the face of patient.
It is applied to the undesirable power of mask, such as the weight of pipe pulling force (tube drag) or mask, or is connected to the component of mask
Weight, the sealing formed between patient interface and patient can be destroyed.
To reduce the undesirable power including pipe pulling force that may be applied to mask, it has been proposed that a variety of solutions.
Some bend pipes including rotation or rotation in these solutions are to connect air delivery hose and patient interface.In pipe
Dilatory patient interface simultaneously destroys before sealing, and rotation or rotation bend pipe allows some form of rotation.Some prior arts
Rotary joint and bend pipe arrangement use tight tolerance, may cause the friction in the movement of swivel elbow, to drop
The activity and elasticity of low bend pipe rotary joint.
It includes pipe that the solution that another kind proposes to reduce the undesirable power for being applied to patient interface, which is applying,
Stability is provided for patient interface during the power of pulling force and keeps the headband of sealing.Headgear assemblies can be designed as making
Bandage must be stablized relative to patient interface and the angled setting of the face of patient, to offset the undesirable power for including pipe pulling force.
In a kind of known face shield assembly, headband includes the cap portion with four bandages.In use, cap portion is incorporated into patients head
Behind, and the bandage of two lower parts extends between cap portion and nose cup, and the bandage on two top is in cap portion and forehead support
Between extend.This headgear assemblies for the patient may be uncomfortable, and is difficult to adjust close to obtain sufficient leakproof
Envelope.
Another kind includes that air is defeated for the solution for offsetting the pipe pulling force on patient interface and other undesirable power
Conduit or hose is sent to be connected to the clip on pyjama patient's clothes of such as patient.Clip can be also used for air is defeated
Conduit or hose is sent to be connected to fixed object, such as the bed of patient, to eliminate or reduce the pipe pulling force for influencing mask seal.Also mention
Short tube is gone out to be arranged between air delivery conduit or hose to mention before pipe draws mask to air delivery conduit or hose
For additional flexibility and rotation.
Summary of the invention
A scheme of the invention be related to it is a kind of with it is in CPAP device, reduce or eliminate and be applied on patient interface
The collapsible tube of pipe pulling force.
Another scheme of the invention be related to it is a kind of it is in CPAP device, reduce air delivery hose or conduit
The collapsible tube of entanglement.
Another scheme of the invention is related to a kind of weight and/or body in CPAP device, reducing collapsible tube
Long-pending collapsible tube.
Another scheme of the invention be related to it is a kind of in CPAP device, being formed by biocompatible materials and
The collapsible tube that repeatedly can be cleaned and sterilize.
Another scheme of the invention be related to it is a kind of it is in CPAP device, subtracted using less bandage and/or have
The bandage of small elastic force allows the headband to keep the collapsible tube of the sealing between patient interface and patient facial region.
According to example embodiment of the present invention, it is a kind of for convey pressurization can respiratory air flow to the pipe of patient breathing
Collapsible tube used in device has about 30mm or smaller internal diameter, about 500g/m or smaller weight, Yi Ji great
The length that about 2m or smaller does not extend.Collapsible tube include response be applied to the power of the pipe and about 1:1-1:4 range
Interior extendible part, and this extendible is partially configured as to manage when the power for being applied to the pipe is not present or reduces
It is restored to its length not extended.
Another example embodiment according to the present invention, it is a kind of for convey pressurization can respiratory air flow exhaling to patient
Collapsible tube used in device is inhaled, there is about 30mm or smaller internal diameter, about 500g/m or smaller weight, and
The length that about 2m or smaller does not extend.Collapsible tube include response be applied to the power of the pipe and about 1:1-1:2 model
Enclose interior extendible part, and this it is extendible be partially configured as when the power for being applied to the pipe is not present or reduces, will
Pipe is restored to its length not extended.The collapsible tube has about 25N/m or smaller spring constant.
Further example embodiment according to the present invention, it is a kind of from be configured as generate pressurization can respiratory air flow stream
The conveying pressurization of body generator can respiratory air flow to the method for patient interface, including contractile hose is used to connect the fluid
Generator and the patient interface, the patient interface be configured as combining patient facial region and transmit pressurization can respiratory air flow to trouble
The air flue of person.
Further example embodiment according to the present invention, it is a kind of for convey pressurization can respiratory air flow to patient breathing
Device, including be configured as generate pressurization can respiratory air flow fluid generator；It is configured as in conjunction with the facial and defeated of patient
Send pressurization can respiratory air flow to patient airway patient interface；And connect the fluid generator and the patient interface can
Collapsible tube.
Another example embodiment according to the present invention, a kind of mask system include patient interface；And it is set to the patient
The collapsible tube of interface.
Another example embodiment according to the present invention, a kind of mask system for patient include patient interface；It is set to
The pipe of the patient interface；And the position according to patient, for maintaining low profile device of the pipe.
Further example embodiment according to the present invention, a kind of collapsible tube include multiple ring-type elements；And it is connected to
The elastic component of each ring-type element.
From the detailed description carried out below in conjunction with attached drawing, other schemes of the invention, feature and advantage be will be apparent,
The attached drawing be a part of this disclosure and its principle of the present invention is illustrated by way of example.
Detailed description of the invention
Attached drawing help understands various embodiments of the present invention.In the drawings：
Fig. 1 schematically illustrates the arrangement for CPAP, which has used according to example embodiment of the present invention
Collapsible tube；
Fig. 2 schematically illustrates the arrangement for CPAP, which has used another example according to the present invention to implement
The collapsible tube of example；
Fig. 3 and Fig. 4 schematically illustrates the arrangement for CPAP, which has used according to the present invention another show
The collapsible tube of example embodiment；
Fig. 5 schematically illustrates the arrangement for fastening collapsible tube according to example embodiment of the present invention；
Fig. 6 schematically illustrates the arrangement of the collapsible tube for fastening another example embodiment according to the present invention；
Fig. 7 a and Fig. 7 b schematically depict the collapsible tube for CPAP according to example embodiment of the present invention,
Wherein Fig. 7 a describes the collapsible tube in extension shape and Fig. 7 b describes the collapsible tube in intermediate shape；
Fig. 8 schematically depicts the collapsible tube for CPAP of another example embodiment according to the present invention；Fig. 9 a
The arrangement for CPAP is schematically illustrated with Fig. 9 b, which has used another example embodiment according to the present invention
Collapsible tube；
Figure 10 schematically illustrates the arrangement for CPAP, which includes collapsible tube and include to be configured as
In conjunction with the headband of the bandage of patient ear；
Figure 11 schematically illustrates pipe crooked test arrangement and is measured the displacement to determine displacement angle；
Figure 12 schematically illustrates to carry out displacement measurement the pipe test arrangement for determining the spring constant of pipe；
Figure 13 is the chart for the elasticity of four kinds of example pipes being listed in Table 1 below measured；
Figure 14 is the curve graph for the spring constant of four kinds of example pipes being listed in Table 1 below measured；
Figure 15 is the chart for the spring constant of four kinds of example pipes being listed in Table 1 below measured；
Figure 16 is that the pipe for four kinds of example pipes being listed in Table 2 below stretches the chart of factor or ratio；And
Figure 17 schematically illustrates the collapsible tube of another example embodiment according to the present invention.
Specific embodiment
It is the description as described in several embodiments below, several embodiments can share common characteristic and feature.It answers
It should be appreciated that the one or more features of any embodiment can be combined with the one or more features of other embodiments.This
Outside, the combination of any single feature or feature in any embodiment can form other embodiment.
In the present specification, word " includes (comprising) " Ying Yiqi " open " meaning, that is, " including
(including) " meaning understands, and is not limited to its " closed " meaning, that is, " only by ... form (consistingonly
Of meaning) ".Corresponding word " including (comprise) ", " including (comprised) " and " including (comprises) " occurs
Place also illustrate that corresponding meaning.
Term " air (air) " will be believed to comprise breathable gas, such as the air with supplemental oxygen.Should also
It is appreciated that air blower described herein can be designed as pumping other fluids except for air.
First collapsible tube embodiment
With reference to Fig. 1, patient interface 4, such as mask are fastened to patient 1 by headgear assemblies 2.That pressurizes can tidal air circulation
It crosses collapsible tube 6 and is transported to patient interface 4.As discussed in more detail below, collapsible tube 6 is extensible and contractile
(such as passing through compression), to adapt to the movement of patient 1, such as the movement of patients head.Collapsible tube 6 can be by using rotation
Turning tube assembly 5 and be connected to patient interface 4.Collapsible tube 6 can have enough length to adapt to some of patients head
The extension or contraction moved without pipe 6.
Second collapsible tube embodiment
Another example embodiment of the invention shown according to fig. 2, collapsible tube 6 can pass through connector or big envelope
(cuff) 10 not collapsible tube 8 are connected to.Collapsible tube 6 can be connected to patient interface 4 by swivel elbow component 5.?
In example embodiment shown in Fig. 2, collapsible tube 8 can not be fixed to fixed object, such as the bed or table of patient
Son, to prevent pipe pulling force.Collapsible tube 6 can extend or compress to adapt to the movement of patient, such as the movement of patients head.
Collapsible tube 6 and the not combined length of collapsible tube 8 can be enough to adapt to some movements of patients head without extending or
Shrink collapsible tube 6.Selectively, the length of collapsible tube 6 can individually be enough to adapt to some movements of patients head and
It does not need to extend or shrink collapsible tube 6.
It should be appreciated that pipe can also be formed integrally as including not contractile part and contractile part.It is such
Pipe will have adjustable length, but have fixed minimum and maximum length.The example of this configuration by with elasticity drink
Water absorption tube is similar.
It should also be understood that collapsible tube 6 can be connected in series with other collapsible tubes.Other are this shrinkable
The elasticity of pipe can be different, to adjust the elasticity of pipe-line system.Other this collapsible tubes can also be in length with first
Collapsible tube is different.
Collapsible tube, connector and bandage
As shown in Figure 3, the chest strap for such as elastic bands that collapsible tube 6 can be bound by the trunk around patient
12 are connected to not collapsible tube 8.Although the trunk that bandage 12 is shown around patient is bound, it should be appreciated that bandage may be used also
To surround the arm or neck of such as patient.It should also be appreciated that bandage can be fastened to the object in addition to patient, example
Such as desk or column.
It is shrinkable by the way that the position shown in Fig. 3 of collapsible tube 6 is extended to position shown in Fig. 4 with reference to Fig. 4
Pipe 6 is adapted to the movement of patient, such as the movement of patients head.Although patients head is from position shown in Fig. 3 to Fig. 4
Shown in the movement of position be typically at direction of having held high or hung low it should be appreciated that collapsible tube 6 can also fit
Answer patients head lateral, i.e., the movement and rotation on direction from left to right.
First bandage and connector embodiment
With reference to Fig. 5, bandage 12 can be connected to C-shaped pipes by crotch disk (curved hooking plate) 16 and fix
Device 14.C-shaped pipes fixator 14 is configured as accommodating the collapsible tube 6 connected by connector or big envelope 10 and not collapsible tube 8.C
Shape tube fixer 14 is configured as clamping collapsible tube 6, big envelope 10 and not collapsible tube 8, to keep collapsible tube 6 and can not
Connection between collapsible tube 8.Crotch disk 16 is configured as the slit 14a of engagement C-shaped pipes fixator 14, to allow 12 quilt of bandage
It promptly clips to C-shaped pipes fixator 14 and is unclamped from it.Bandage 12 may include hook-and-loop fastener portion to catch crotch disk 16.
For example, the end of bandage 12 can have the hook for the ring that engagement is formed on 12 remainder of bandage, or vice versa, with
Allow bandage 12 by 16 looper of crotch disk, and the end of bandage 12 is fastened on the remainder of bandage 12.
Second bandage and connector embodiment
Another example embodiment according to shown in Fig. 6, bandage 12 pass through the slit 14a looper of C-shaped pipes fixator 14.C
Shape tube fixer 14 be configured as clamping collapsible tube 6, connector 10 and not collapsible tube 8 to keep connecting.Bandage 12 can be with
By with it is above-mentioned about Fig. 5 discussion it is similar in a manner of include hook-and-loop fastener, C-shaped pipes fixator 14 is fastened to bandage 12
On.
Third collapsible tube embodiment
With reference to Fig. 7 a and Fig. 7 b, collapsible tube 6 according to example embodiment of the present invention may include spring 36, the bullet
Spring 36 makes pipe 6 be biased to intermediate state shown in contraction state or Fig. 7 b.Spring 36 can be formed with the main body of pipe 6 one or
The internal or external of the main body of pipe 6 can be located at.Spring 36 can be the helical spring of the overall length extension along pipe 6, but it can also
To include multiple spring coils and/or more diameter spring coils.To which spring can provide variable convergent force.Such as another example, spring
It can be formed by magnetic material, so that adjacent circle attracts or repels between each other.
As shown in figure 7b, spring 36 can be formed by spiral winding hank knotting 36c.Hank knotting 36c can be metal wire.
It should be understood that hank knotting 36c can be formed by the material in addition to metal, such as hank knotting 36c can be by plastic material shape
At.The diameter 36a of hank knotting 36c can influence the spring constant of spring 36 and collapsible tube 6.With the diameter of hank knotting 36c
36a increases, and power needed for elongating spring 36 increases.The diameter 36a of hank knotting 36c can for example in about 0.1mm between 5mm,
Such as about 1mm-4mm, such as about 1.5mm- 2.5mm, such as about 2mm.It should be understood that hank knotting diameter 36a can be with
Change along the length of spring 36, to provide the spring constant of variation.It is to be further understood that the cross section of hank knotting 36c is not
It needs to be circular as shown in Fig. 7 a and Fig. 7 b, and hank knotting 36c can have any cross section, such as polygon.
The pitch 36b of spring 36 can influence the maximum elongation of collapsible tube spring 36 and collapsible tube 6.Usually,
Pitch 36b is bigger, and the maximum elongation of collapsible tube 6 can be bigger.The pitch 36b of spring 36 can be for example in about 2mm-9mm
Between, such as about 3mm-6mm, such as about 4.8mm.It should be understood that the pitch 36b of spring 36 can be along spring
36 length variation, so that each section of collapsible tube 6 has different elongations.
As shown in Fig. 7 a and Fig. 7 b, spring 36 be can integrate in pipe 6.Spring 36 can be by the covering in the outside of pipe 6
The covering material 34 of the inside of material 32 and pipe 6 covers.Covering material 32,34 is the main body for the elongation that pipe 6 provides elasticity.
Covering material 32 and/or 34 can be cast on spring 36 or is wound into using interlocking bandage (interlocking strip)
On spring 36.
Spring 36 can be not connected on pipe 6, but can be located at outside around hose 6, or positioned at the inside of pipe 6.It changes
Sentence is talked about, and pipe 6 may include single covering material, and the outside of covering material can be arranged in spring 36 with exposed state,
Or the inside in covering material can be set and be exposed to pressurization can be in respiratory air flow.Spring 36 can fully prolong
Stretch the overall length of collapsible tube 6, that is, from one end 37 to the other end 38.It should be understood that spring 36 can be received along being less than
Perhaps can be set can be along in the centre at each end or multiple springs for multiple springs for the substantially whole length setting of the draw
The substantially whole length of collapsible tube 6 is arranged.The end 37,38 of collapsible tube 6 can be configured as the rotation for being connected to mask
Winding pipe assembly, the entrance of the outlet of fluid generator or humidifier or outlet.In general, the end 37,38 of collapsible tube 6 can be with
It is configurable for being connected to any part of CPAP device, or the component shared with CPAP device.
Covering material or each material outward and/or can curve inwardly between the spring coil of spring 36, in collapsible tube
When the spring coil of 6 contractions and spring 36 moves together close, space is provided unhinderedly to move to covering material.
Covering material 32,34 can be formed by the biocompatible materials that can be used in the air flue of CPAP device.For shape
It should be able to be sterilized at the biocompatible materials of covering material to be used for multiple times and be used for multiple patients.Covering material 32,34
Can be plastics or silicone resin or thermoplasticity TPU) or their compound, and in the case where being exposed to air flue, cover material
Material can be formed by the biocompatible materials that can be used in the air flue of CPAP device.
Spring 36 can be formed by metal or plastics, and in the case where being exposed to air flue, and spring can be by that can be used in
Biocompatible materials in the air flue of CPAP device are formed.
Because pipe 6 may be used as the pressure pipe in CPAP device, spring 36 is configured in covering material
32, apply the bias of convergent force on 34.Spring 36 is configured such that even if when pipe 6 is in its fully collapsed condition,
Spring also continues to convergent force.Therefore spring 36 can be even if still providing the spiral bullet of convergent force in complete shrink
Spring.Before covering material 32,34 is placed on spring 36, spring 36 is stretched from natural contraction state.When spring 36
When being released, its fully collapsed condition or intermediate state is presented in pipe naturally.
Material for collapsible tube 6 may influence its elastic characteristic.For example, the drawing that the material for spring 36 has
Stretching modulus can be about 150-250MPa, such as about 160-240MPa, such as another example about 160- 220MPa, such as
Other example about 180-200MPa, such as other example about 180MPa, and such as other example about 188MPa.
Spring 36 can be by for example such as from Du Pont (DuPont)5556 or 5526 polyester elastomer is formed.
Spring 36 and connector or big envelope 10 can be made of identical material, for example to pass through thermoforming spring and company
Device/big envelope is connect to improve production efficiency.
4th collapsible tube embodiment
With reference to Fig. 8, the collapsible tube 6 of another example embodiment according to the present invention includes multiple bellowss 40, can be with
Yes or no is biased to the spring of contraction state.Bellows magnetically can also attract or repel each other.Collapsible tube 6 can be with
It is molded of plastic material for example, by molding.Collapsible tube 6 may include end 42,44, which is configured as
For being connect with the swivel elbow component for being connected to patient interface, connector or big envelope 10, the patient interface, connector or envelope
Set 10 for being connected to not collapsible tube 8, or for be connected to be configured to supply pressurization can the fluid of respiratory air flow occur
Any other of device or CPAP device component, or the device shared with CPAP device, such as humidifier.
5th collapsible tube embodiment
As shown in Fig. 9 a and Fig. 9 b, the collapsible tube 60 of another example embodiment according to the present invention may include ring
Shape part 60a.Collapsible tube 60 can also include spring as described above or bellows structure.Shape or relaxation therebetween
In shape, the annulus 60a of collapsible tube 60 can extend between bandage 12 and swivel elbow component 5.Extendible rope
Rope 50 can extend to the annulus 60a of collapsible tube 60 from bandage 12.Rope 50 can be spring-biased to contraction-like
State, as safety belt.Although extendible rope 50 is shown as connected to the annulus of collapsible tube 60 in Fig. 9 a and Fig. 9 b
The lower part of 60a it should be appreciated that rope 50 can be connected to annulus 60a in any position.
Extendible rope 50 can be connected to bandage 12 by winding mechanism 52.It is inclined that winding mechanism 52 can be spring
Winding mechanism is pressed, such as similar to belt retractor mechanism, is configured around the spool being contained in winding mechanism 52
(spool) or spool (reel) winds rope 50.When the head movement of patient, such as shown in Fig. 9 b, collapsible tube 60
Annulus 60a stretch, and rope 50 is stretched out from winding mechanism 52 to adapt to the movement of annulus 60a, i.e. annulus
60a is divided to stretch.When the head of patient is moved back into position as shown in Figure 9 a, 52 retraction cables 50 of winding mechanism are to assist
Annulus 60a returns back to its relaxed state.
Another example embodiment according to the present invention according to shown in Figure 17, collapsible tube 60 may include by along
The multiple connection ring 60X for the elastic component 60Y connection that pipe extends.
The collapsible tube connecting with the swivel elbow of patient interface is provided and has reduced or eliminated the pipe for being applied to patient interface
Pulling force, this has reduced or eliminated the main component for being applied to the power of patient interface.This allows the design of CPAP device to concentrate on propping up
The weight of patient interface is supportted to keep substantive leakproof seal.To the weight of support patient interface to keep substantive leakproof close
The requirement of envelope is more much smaller than the power that pipe pulling force is contributed.In addition, the design of CPAP device can balance from order to keep essence
Leakproof seal needs and make collapsible tube resist headband tension power.
With reference to Figure 10, CPAP device according to example embodiment of the present invention may include combining bandage comprising ear
121,122 headband 120.The use of ear's bandage provides the device for improving the smaller interference of patient comfort.Although scheming
It combines to may extend away along its whole length in 10 and shows the headband including ear's bandage with compressible collapsible tube, but answer
What it is when understanding is that ear's bandage may be used as headband for any example embodiment disclosed herein.
As shown in Fig. 2-4, Fig. 9 a and Fig. 9 b, collapsible tube 8 not can have the internal diameter of 22mm, can be configured
For for being connected to currently available fluid generator/air blower and/or humidifier.The internal diameter of collapsible tube 6 can have
It is less than the internal diameter of not collapsible tube 8 in the not diameter of collapsible tube 8 or internal diameter.Connector or big envelope 10 can be configured as
In both cases, i.e., not collapsible tube 8 and shrinkable is essentially equal and connected in the unequal situation of internal diameter in internal diameter
Pipe 6.For example, big envelope 10 can be formed by the elastic material for adapting to the pipe of different-diameter.
Collapsible tube can have the long length to about 2m.It is no more than greatly for example, the collapsible tube of Fig. 1 can have
The total length of about 1m.Selectively, collapsible tube and the total length of collapsible tube not can have the length no more than about 2m
Degree.
Extensibility is the size from relaxed state or intermediate state (Fig. 7 b) to the pitch 36b of unfolded state (Fig. 7 a)
Variation.The extensibility of collapsible tube should be about 1:1-1:In the range of 4.Therefore about 0%- can be unfolded in collapsible tube
400%.However, collapsible tube can also have 1:1-1:Extensibility between 4, such as about 1:2 or about 2:3.According to
An exemplary embodiment of the present invention, collapsible tube can have about 5:7-1:Extensibility between 2, and in length
On can increase about 40%-100% (+/- 20%).In this example embodiment, patient will not destroy the sealing of mask
Movement is maximized.Allow the head of patient from completely hanging low state (that is, lower jaw for example, collapsible tube can be configured as
Contact thoracic cavity) it is raised to completely has held high state (that is, head is completely backward) always.Collapsible tube can be additionally configured to example
The head of patient is such as allowed to be reversed completely from a side to the other side (that is, from left to right).
Collapsible tube should have about 25N/m or smaller spring constant, such as about 7N/m.Collapsible tube can be with
With the big internal diameter for arriving about 30mm, such as between about 10-20mm, such as about 12mm, or about such as another example
8mm.It should be understood that the internal diameter of collapsible tube can by can the pressure of respiratory air flow determine.For example, collapsible tube can have
Having the internal diameter of about 13.3mm can respiratory air flow with transmit the pressurization of 12cm water column.The weight of collapsible tube can achieve greatly
About 500g/m, such as about 100g/m or smaller, or such as another exemplary about 50g/m or smaller.
The use of collapsible tube reduces the power that patient interface is applied to by pipe pulling force, and headband is allowed less to use
Or bandage is not used, which improve the comfort levels of patient.Because less bandage can make mask unstable, using compared with
Few bandage enemy also improves the stability of patient interface with for.
Collapsible tube also reduces the entanglement of pipe during use, and can by for pressurization can respiratory air flow mention
Reduce size, the weight and volume of CPAP device for elasticity and extendible access, which can be than currently used
Pipe or hose are shorter, smaller and/or lighter.Collapsible tube is high-fidelity, and passes through the mask with the prior art
Pipe is very obvious compared to this.
With reference to Figure 11-16, to according to example embodiment of the present invention collapsible tube and other three kinds known to pipe into
Row is tested and is compared.In test as described below, collapsible tube according to example embodiment is No. 4 samples.No. 4 samples
Collapsible tube includes the covering material of TPU and the spring that ABS is formed.Spring is formed and is had by the hank knotting with 2mm diameter
The pitch of 4.8mm.No. 1 sample is the Swift with Leix plum moral (ResMed)TMThe short tube that mask is used together.No. 2 samples are
With Shi Lipu Knight's (Sleepnet)The pipe that mask is used together, and No. 3 samples are and big health (Respironic)
OptilifeTMThe pipe being used together.
It is tested to measure the pipe deflection in response to the power of application.Each pipe is established in cantilever as shown in Figure 11
In arrangement, and the weight of 8.3g is connected to the free end of pipe.As a result as shown in Table 1 below.
Table 1 shows Swift of the collapsible tube according to example embodiment than Leix plum moralTMPipe is with Shi Lipu Knight'sThe bendable curvature of pipe is larger about three times, and than the Optilife of big healthTMShort tube bendable curvature is larger about ten times.In order to
Compare, result is plotted in Figure 13.
Table 1
Obviously find out from following table 2, compared with the mask of the prior art, the example of the collapsible tube of No. 4 samples is implemented
Example has the extensibility of appropriateness.For comparison purposes, Figure 16 has marked extensibility/factor.
Table 2
The extensibility of collapsible tube should be about 1:1-1:In the range of 4, such as 1:2 or 2:3.To collapsible tube
Length can increase about 40%-100% (+/- 20%), to adapt to the movement of patient, such as head movement.For example, can receive
The draw, which can be configured as, allows the head of patient to be raised to always completely from state (i.e. lower jaw contact thoracic cavity) of completely hanging low
Held high state (that is, head is completely backward).Collapsible tube can be additionally configured to for example allow patient head from a side to
It is reversed completely (that is, from left to right) other side.
Had according to the collapsible tube of the example embodiment of No. 4 samples compared to other prior arts discussed in table 1
Manage relatively low spring constant.The spring constant of pipe usesMachine measurement, in this example it is schematically indicated that in Figure 12, with
And as the result is shown in Figure 14 and the comparison of result tabulation in Figure 15.Figure 15 shows showing for collapsible tube (No. 4 samples)
The spring constant ratio Shi Lipu Knight's of example embodimentManage the spring constant of (No. 2 samples) and the Optilife of big healthTMIt is short
The 50 times small of the spring constant of (No. 3 samples) is managed, and than Leix plum moral SwiftTMThe spring constant of short tube (No. 1 sample) is small
140 times.
Although example embodiment has been shown and described as including the mask for covering the mouth and nose of patient,
It should be understood that using any patient interface, mask, nose fork or the nasal pillow of the nose including only covering patient, including
The interface of casing, or including cover patient mouth cushion and the nose including being connected to cushion fork or nasal pillow interface.Patient
Interface can also include frame and the foam for being supplied to frame.Patient interface can also include frame and the band for being supplied to frame
There is the foam of bobbin seal or nose fork.
The present invention is described although having been combined and being presently considered to most practical and most preferred embodiment,
What is understood is that the present invention is not limited to disclosed embodiments, on the contrary, the present invention is directed to cover including in spirit and model of the invention
Enclose interior various modifications and equivalent layout.In addition, above-mentioned various embodiments can be realized in conjunction with other embodiments, for example,
The scheme of one embodiment can be in conjunction with the scheme of another embodiment to realize other embodiment.Further, each only
The component of vertical feature or any given component may be constructed other embodiment.In addition, each of any given component is independent
Component, any given component each separate part one or more parts, and the portion from one or more embodiments
The various combinations of part may include one or more decorative design features.In addition, although the present invention is to the trouble for suffering from OSA
The special application of person it should be appreciated that with other diseases (for example, congestive heart failure, diabetes, morbid state
Fat card, apoplexy, bariatric surgery etc.) patient can benefit from above-mentioned introduction.In addition, above-mentioned introduction is in non-medical applications
There is applicability to patient and non-patient.
Claims (35)
1. a kind of continuous positive airway pressure CPAP system is configured for positive pressurized breathable gas being conveyed to patient airway, institute
Stating CPAP system includes：
Patient interface is configured for being sealingly engaged patient facial region；
Shrinkable snorkel is configured for for the breathable gas being conveyed to the patient interface, described shrinkable to send
Tracheae has：Fixed minimum length；Fixed maximum length is bigger by 40% to 100% than the fixed minimum length and be less than 1m；
Helical spring has multiple coils so that the shrinkable snorkel deviation contraction state, the shrinkable snorkel
Material is bent outwardly between the coil of the helical spring；And the internal diameter between 10mm and 20mm, and it is described shrinkable
Snorkel has 100g/m or smaller per unit length weight；
Swivel elbow component connects the patient interface and the shrinkable snorkel；And
Headband connect with the patient interface and is configured for for the patient interface being supported on patients head, the head
Band includes a pair of of bandage,
Two tie points are wherein only existed between the headband and the patient interface.
2. CPAP system according to claim 1, wherein the bendable curvature of the shrinkable snorkel makes, when it is described can
Contraction snorkel is established in cantilever configuration in the case where having by support end and unsupported portion and the weight of 8.3g
When being connected on the free end in the unsupported portion, the unsupported portion of the shrinkable snorkel is propped up from described
At least 78 degree of longitudinal flexion for supportting end.
It further include in the shrinkable snorkel and the swivel elbow group 3. CPAP system according to claim 1
The big envelope of the opposite end of part, the big envelope are configured for connecting with humidifier or fluid generator.
4. CPAP system according to claim 1, wherein the helical spring fully extends the shrinkable snorkel
Overall length.
5. CPAP system according to claim 1, wherein the helical spring and the shrinkable snorkel are integrally formed.
6. CPAP system according to claim 1, wherein the helical spring is made of plastics.
7. CPAP system according to claim 1, wherein the patient interface includes nose fork or nasal pillow.
8. CPAP system according to claim 1 further includes the fluid generator connecting with the shrinkable snorkel,
It is configured for the breathable gas that pressurizes.
9. CPAP system according to claim 1, further include the humidifier being connect with the shrinkable snorkel and with
The fluid generator of the humidifier connection, wherein the fluid generator is configured for the breathable gas that pressurizes, and
The humidifier is configured for the breathable gas that is humidified.
10. CPAP system according to claim 1, the shrinkable snorkel, which is configured for reducing or eliminating, to be applied to
The pipe pulling force of the patient interface.
It further include in the shrinkable snorkel and the swivel elbow group 11. CPAP system according to claim 1
The big envelope of the opposite end of part, the big envelope are configured for connecting with humidifier or fluid generator,
Wherein the bendable curvature of the shrinkable snorkel makes, when the shrinkable snorkel have by support end and not by
It is established in the case where support portion in cantilever configuration and the weight of 8.3g is connected to the free end in the unsupported portion
When upper, the unsupported portion of the shrinkable snorkel from least 78 degree of the longitudinal flexion by support end,
Wherein the helical spring fully extends the overall length of the shrinkable snorkel,
Wherein the helical spring and the shrinkable snorkel are integrally formed,
Wherein the helical spring is made of plastics,
Wherein the patient interface includes nose fork or nasal pillow.
12. a kind of continuous positive airway pressure CPAP system is configured for the breathable gas through just pressurizeing being conveyed to patient's gas
Road, the CPAP system include：
Patient interface is configured for being sealingly engaged patient facial region；
Shrinkable snorkel is configured for for the breathable gas being conveyed to the patient interface, described shrinkable to send
Tracheae includes helical spring, has multiple coils so that the shrinkable snorkel deviation intermediate length, described shrinkable
Snorkel can extend the 40% to 100% of the intermediate length and be less than 1m, the shrinkable snorkel have 10mm with
Internal diameter between 20mm, have 100g/m or smaller per unit length weight, and between the coil of the helical spring to
Outside sweep；
Swivel elbow component connects the patient interface and the shrinkable snorkel；And
Headband connect with the patient interface and is configured for for the patient interface being supported on patients head, the head
Band includes a pair of of bandage,
Two tie points are wherein only existed between the headband and the patient interface, and
Wherein when the shrinkable snorkel is in relaxed state, the shrinkable snorkel is in the intermediate length.
13. CPAP system according to claim 12, wherein the bendable curvature of the shrinkable snorkel makes, when described
Shrinkable snorkel is established in cantilever configuration in the case where having by support end and unsupported portion and the weight of 8.3g
Amount is when being connected on the free end in the unsupported portion, the unsupported portion of the shrinkable snorkel from it is described by
At least 78 degree of the longitudinal flexion of support end.
It further include in the shrinkable snorkel and the swivel elbow 14. CPAP system according to claim 12
The big envelope of the opposite end of component, the big envelope are configured for connecting with humidifier or fluid generator.
15. CPAP system according to claim 12, wherein the helical spring fully extends described shrinkable supply gas
The overall length of pipe.
16. CPAP system according to claim 12, wherein the helical spring and shrinkable one bodily form of snorkel
At.
17. CPAP system according to claim 12, wherein the helical spring is made of plastics.
18. CPAP system according to claim 12, wherein the patient interface includes nose fork or nasal pillow.
19. CPAP system according to claim 12 further includes the fluid generator connecting with the shrinkable snorkel,
It is configured for the breathable gas that pressurizes.
20. CPAP system according to claim 12, further include the humidifier being connect with the shrinkable snorkel and
The fluid generator being connect with the humidifier, wherein the fluid generator is configured for the breathable gas that pressurizes,
And the humidifier is configured for the breathable gas that is humidified.
21. CPAP system according to claim 12, the shrinkable snorkel is configured for reducing or eliminating application
To the pipe pulling force of the patient interface.
It further include in the shrinkable snorkel and the swivel elbow 22. CPAP system according to claim 12
The big envelope of the opposite end of component, the big envelope are configured for connecting with humidifier or fluid generator,
Wherein the bendable curvature of the shrinkable snorkel makes, when the shrinkable snorkel have by support end and not by
It is established in the case where support portion in cantilever configuration and the weight of 8.3g is connected to the free end in the unsupported portion
When upper, the unsupported portion of the shrinkable snorkel from least 78 degree of the longitudinal flexion by support end,
Wherein the helical spring fully extends the overall length of the shrinkable snorkel,
Wherein the helical spring and the shrinkable snorkel are integrally formed,
Wherein the helical spring is made of plastics,
Wherein the patient interface includes nose fork or nasal pillow.
23. it is a kind of from be configured as generate pressurization can respiratory air flow fluid generator conveying pressurization can respiratory air flow to quilt
Be configured to combine patient facial region and convey pressurization can respiratory air flow to patient air flue patient interface method, the method
Including：
The fluid generator and the patient interface are connected using the shrinkable hose with extendible part；And
Extend and compress the extendible part and the hose is maintained according to the position of patient to adapt to patients head's movement
Thin section.
24. according to the method for claim 23, further comprising extendible being attached partially to bandage for described.
25. it is a kind of for convey pressurization can respiratory air flow to the breathing equipment of patient, the breathing equipment includes：
Fluid generator, be configured as generate pressurization can respiratory air flow；
Patient interface, be configured as in conjunction with patient face and convey pressurization can respiratory air flow to patient air flue；And
Collapsible tube connects the fluid generator and the patient interface.
26. device according to claim 25, wherein the collapsible tube include with the pipe it is integrated or with the pipe
The spring independently formed.
27. a kind of mask system for patient, including：
Patient interface；
It is arranged to the pipe on the patient interface；And
Spring integrates with the pipe or independently forms with the pipe and be suitable for maintaining the pipe according to the position of patient
Thin section.
28. a kind of collapsible tube, including：
Multiple ring-type elements；And
It is connected to the elastic component of each ring-type element.
29. a kind of CPAP machine, including：
Sealing element；And
Collapsible tube according to claim 28.
30. it is a kind of for convey pressurization can collapsible tube used in breathing equipment of the respiratory air flow to patient, it is described can
Collapsible tube includes can in the range of the about 40%-400% of its length not extended in response to being applied to the power of the pipe
The part of extension, and it is described it is extendible be partially configured as when the power for being applied to the pipe is not present or reduces, by institute
It states pipe and is restored to its length not extended.
31. collapsible tube according to claim 30, wherein the pipe has about 30mm or smaller internal diameter.
32. collapsible tube according to claim 30, wherein the pipe has the per unit length weight of up to 500g/m.
33. collapsible tube according to claim 30, wherein the pipe has the long length not extended to about 2m.
34. collapsible tube according to claim 30, wherein the extendible part has about 25N/m or smaller
Spring constant.
35. a kind of mask system, including：
Patient interface is suitably connected to patient；
Headband；And
Collapsible tube conveys a certain amount of gas from fluid generator to patient interface with positive pressure,
Wherein the pipe includes at least one spring and the pipe is configured to length and extends and shrink to adapt to patients head
From state of completely hanging low be raised to always it is complete high state and adapt to patients head and turned round completely from a side to the other side
Turn, to reduce or eliminate the pipe pulling force for being applied to patient interface.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US97390207P | 2007-09-20 | 2007-09-20 | |
| US60/973,902 | 2007-09-20 | ||
| US98782507P | 2007-11-14 | 2007-11-14 | |
| US60/987,825 | 2007-11-14 | ||
| US3140708P | 2008-02-26 | 2008-02-26 | |
| US61/031,407 | 2008-02-26 | ||
| CNA2008101737734A CN101396576A (en) | 2007-09-20 | 2008-09-19 | Retractable tube for CPAP |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101737734A Division CN101396576A (en) | 2007-09-20 | 2008-09-19 | Retractable tube for CPAP |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108837267A true CN108837267A (en) | 2018-11-20 |
Family
ID=40515574
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810809659.XA Pending CN108837267A (en) | 2007-09-20 | 2008-09-19 | Collapsible tube for CPAP |
| CNA2008101737734A Pending CN101396576A (en) | 2007-09-20 | 2008-09-19 | Retractable tube for CPAP |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101737734A Pending CN101396576A (en) | 2007-09-20 | 2008-09-19 | Retractable tube for CPAP |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108837267A (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9216264B2 (en) * | 2010-08-09 | 2015-12-22 | Koninklijke Philips N.V. | Portable patient interface system |
| GB2529076B8 (en) * | 2010-10-18 | 2016-08-10 | Fisher & Paykel Healthcare Ltd | A nasal cannula, conduit and securement system |
| TWI747175B (en) * | 2011-04-08 | 2021-11-21 | 紐西蘭商費雪 & 佩凱爾關心健康有限公司 | A nasal cannula, conduit and securement system |
| EP3323458B1 (en) | 2011-06-21 | 2022-08-31 | ResMed Pty Ltd | Pap system |
| US8826943B2 (en) | 2011-12-22 | 2014-09-09 | Carefusion Corporation | Apparatus for fluid tube |
| WO2013170290A1 (en) * | 2012-05-18 | 2013-11-21 | Resmed Limited | Nasal mask system |
| US9238118B2 (en) * | 2012-08-28 | 2016-01-19 | Carefusion Corporation | Multiple lumen hose |
| CN109803706B (en) * | 2016-10-04 | 2021-12-31 | 皇家飞利浦有限公司 | Conduit, tubing assembly and patient interface device |
| USD849242S1 (en) | 2017-11-21 | 2019-05-21 | Fisher & Paykel Healthcare Limited | Nasal cannula assembly |
| USD848614S1 (en) | 2017-11-21 | 2019-05-14 | Fisher & Paykel Healthcare Limited | Pad for nasal cannula assembly |
| USD849243S1 (en) | 2017-11-21 | 2019-05-21 | Fisher & Paykel Healthcare Limited | Nasal cannula |
| USD878549S1 (en) | 2017-11-21 | 2020-03-17 | Fisher & Paykel Healthcare Limited | Connector for nasal cannula assembly |
| EP3743143A4 (en) * | 2018-01-24 | 2021-10-27 | Fisher & Paykel Healthcare Limited | Medical tubes for breathing circuit |
| JP7413391B2 (en) * | 2019-02-13 | 2024-01-15 | レスメド・プロプライエタリー・リミテッド | Textile tube of treatment device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4685456A (en) * | 1985-12-02 | 1987-08-11 | Mary Smart | Self-retracting oxygen tubing |
| US20030098084A1 (en) * | 2001-11-24 | 2003-05-29 | Ragner Gary Dean | Pressure-actuated linearly retractable and extendible hose |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5600752A (en) * | 1994-03-11 | 1997-02-04 | Industrial Design Laboratories, Inc. | Flexible gas hose assembly with concentric helical tube members having reinforcement spring coils |
| JPH10179740A (en) * | 1996-07-30 | 1998-07-07 | Hart Ellerth Medical Inc | Light-weight breathing device |
| US20060231100A1 (en) * | 2005-04-15 | 2006-10-19 | Walker Garry J | Supplied air respirator that has an adjustable length hose |
-
2008
- 2008-09-19 CN CN201810809659.XA patent/CN108837267A/en active Pending
- 2008-09-19 CN CNA2008101737734A patent/CN101396576A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4685456A (en) * | 1985-12-02 | 1987-08-11 | Mary Smart | Self-retracting oxygen tubing |
| US20030098084A1 (en) * | 2001-11-24 | 2003-05-29 | Ragner Gary Dean | Pressure-actuated linearly retractable and extendible hose |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101396576A (en) | 2009-04-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108837267A (en) | Collapsible tube for CPAP | |
| US20180093062A1 (en) | Retractable tube for cpap | |
| US11883603B2 (en) | Locking tube clip | |
| US8109271B2 (en) | Method and apparatus for securing a patient interface to a patient's face | |
| CN105120935B (en) | Patient interface and its manufacture method | |
| CA2843533C (en) | Breathing assistance apparatus | |
| US9744325B2 (en) | Portable patient interface system | |
| CN109091739A (en) | Neck band, bizet strap assembly and headgear for breathing mask | |
| US20160271354A1 (en) | Modular back strap for patient interface device | |
| US8783298B2 (en) | Breathing hose | |
| US20220241534A1 (en) | Adjustable frame for an interface device | |
| US20130312760A1 (en) | Soft Touch Nose & Ear Pads | |
| CN218356889U (en) | Adjusting and fixing device for CPAP generator | |
| CN212880536U (en) | Multifunctional noninvasive breathing mask | |
| US20220160984A1 (en) | Anti-kink and ergonomic nasal cannula device | |
| CN206762008U (en) | A kind of adjustable tracheal cannula fixing device in fixed position |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181120 |