CN106267489B - Flexible case and respiratory interface device - Google Patents

Flexible case and respiratory interface device Download PDF

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Publication number
CN106267489B
CN106267489B CN201610726664.5A CN201610726664A CN106267489B CN 106267489 B CN106267489 B CN 106267489B CN 201610726664 A CN201610726664 A CN 201610726664A CN 106267489 B CN106267489 B CN 106267489B
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CN
China
Prior art keywords
case
flexible
opening
support portion
flexibility
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CN201610726664.5A
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Chinese (zh)
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CN106267489A (en
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不公告发明人
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深圳瑞之谷医疗科技有限公司
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Priority to CN201610726664.5A priority Critical patent/CN106267489B/en
Publication of CN106267489A publication Critical patent/CN106267489A/en
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Publication of CN106267489B publication Critical patent/CN106267489B/en

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Abstract

The present invention relates to a kind of flexible case and respiratory interface devices, the flexibility case has the first opening and the second opening, the fringe region of second opening is provided with the sealing gasket being close to human body nose or snout skin, the sealing gasket includes being padded for sealing the ridge area of nose bridge, and case of the flexibility case between first opening and the sealing gasket includes the first case, side case, the second case for being connected to the side case close to nose bridge and with ridge area liner connection;It is provided with a flexible buffer band on the flexibility case, after the sealing gasket is pressurized, the partially or fully region of the flexible buffer band generates elasticity bending deformation, to disperse pressure and make the profile of the sealing gasket Dynamic Matching user face.Above-mentioned flexibility case, the comfort under wearing for a long time is high, and can match well with human body nasal contours, is suitable for the use demand of different age group, and versatility is high.

Description

Flexible case and respiratory interface device

Technical field

The present invention relates to medical instruments fields, more particularly to a kind of flexible case being used cooperatively with air conveying system And respiratory interface device.

Background technology

In the therapeutic process for the sleep-respiratories class disease such as obstructive sleep apnea, positive airway pressure is generally used Barotropic gas is delivered in patient respiratory air flue by therapy by breathing apparatus.It is logical that this breathing apparatus generally includes positive pressure Device of air, that is, continuous positive pressure ventilation device (CPAP, Continuous Positive Airway Pressure) or double levels are just Press air-breather (Bi-PAP, bilevel positive airway pressure), air delivery pipe and patient respiratory circle Face device, wherein patient respiratory interface device are generally nose cup, oronasal mask or mask.In use, by bandage by flexible case It is fixed to be located at patient's nose and near zone, Delta Region of the flexible case contact patient from below the bridge of the nose, more than oral area Skin is bonded between skin of the flexible case with contact area to be formed airtight under the action of bandage and nose cup inside and outside differential pressure, make Barotropic gas is delivered in patient respiratory air flue.In use, the comfort level of patient respiratory interface device and skin contact, Stability, sealing effect are three very important indexs, will directly affect patient's usage experience and therapeutic effect.

When the flexible case of respiratory interface device and the mouth of people, nose location contacts, what the nose bridge on flexible case padded Deformation is maximum, and stress is also concentrated here, the reduction of patient's nose bridge comfort can be led in the case where wearing for a long time, and formed red Print even skin injury, can reduce the compliance of patient compliance's treatment;Moreover, it is existing flexibility case cannot well with mostly The nasal contours of number patient match, such as cannot meet low bridge of the nose patient and the Gao noses of different age group simultaneously with a nose cup The use demand of beam patient, versatility are poor.

Invention content

Based on this, it is necessary to provide that a kind of versatility is good and the flexible case and respiratory interface device of comfortable wearing.

There is elasticity and both sides to be respectively provided with the first opening and the second opening, institute for a kind of flexibility case, the flexibility case The fringe region for stating the second opening is provided with the sealing gasket being close to human body nose or snout skin, the sealing gasket packet The ridge area for sealing nose bridge is included to pad, pad and for close for sealing the firstth area of the wing of nose and upper lip or lower lips Seal the secondth area liner at left and right sides of nose, case of the flexibility case between first opening and the sealing gasket Include padding the first case of connection, the side being connected at left and right sides of first case close to nose bridge and with the ridge area Mask shell, the second case for being connected to the side case;

A flexible buffer band is provided on the flexibility case, the flexible buffer band is continuous banded structure, described The both sides of flexible buffer band are symmetrical about the axis face of the flexible case, and the width of the flexible buffer band is from centre to both sides It being gradually reduced, after the sealing gasket is pressurized, the partially or fully region of the flexible buffer band generates elasticity bending deformation, with Dispersion pressure and the profile for making the sealing gasket Dynamic Matching user face form effectively sealing.

The flexible case has the first support portion, the second support portion, the flexible buffer in one of the embodiments, Band connection is between first support portion and the second support portion, and first support zone is in the top of the flexible buffer band And be open close to described first, first support portion along the flexible buffer band upper contour extension to the end of both sides, institute The second support zone is stated in the lower section of the flexible buffer band and extends to along the bottom profiled of the flexible buffer band end of both sides End;

The both sides of the flexible buffer band from the top of first case be respectively facing both sides the side case and The direction for being gradually distance from first opening extends;

First support portion, the second support portion thickness be all more than the thickness of the flexible buffer band, it is described flexible slow Rush flexible first support portion for being all more than both sides of band, the flexibility of the second support portion, first support portion, the second support Portion and flexible buffer band form flexible buffer structure;

The sealing gasket is single layer pad of silica gel or the multilayer pad of silica gel with support pad.

The flexible buffer band includes the nose bridge positioned at central area and close to nose bridge in one of the embodiments, The thickness of buffer strip, the side buffer strip positioned at nose bridge buffer strip both sides, the nose bridge buffer strip is less than the side The thickness of face buffer strip.

The thickness of the nose bridge buffer strip is tapered into from four circumferential centers in one of the embodiments,.

The surface of the flexible buffer band has been provided projectingly at least one guiding rib in one of the embodiments, described Guiding rib is symmetrical about the axis face of the flexible case.

In one of the embodiments, the guiding rib be a centre pilot muscle, the centre pilot muscle include with it is described The epimere of first support portion connection, is connected between the epimere and hypomere the hypomere connecting with second support portion Between section, the width of the centre pilot muscle tapers into from both ends to center, and the thickness of the centre pilot muscle is from both ends in The heart becomes larger.

The both sides of the nose bridge buffer strip are symmetrically arranged at least one auxiliary and are oriented in one of the embodiments, The auxiliary guiding rib of muscle, both sides is symmetrical about the centre pilot muscle.

In one of the embodiments, it is described auxiliary guiding rib one end connect with first support portion, other end court It is arranged to second support portion and with second support portion interval.

The auxiliary guiding rib is open at a distance from the centre pilot muscle from described first in one of the embodiments, It is become larger to the direction of the second opening.

The interlude includes the upper linkage section being connect with the epimere and the hypomere in one of the embodiments, The lower linkage section of connection, the upper linkage section are arranged with the lower linkage section interval.

The both sides of the nose bridge buffer strip are symmetrically arranged at least one set of auxiliary and are oriented in one of the embodiments, Muscle, every group of guiding rib all include the first auxiliary guiding rib being connect with first support portion, are connect with second support portion The second auxiliary guiding rib, the first auxiliary guiding rib assists guiding rib to open between the two every being arranged and form one with described second Mouthful.

Described first assist guiding rib at a distance from the centre pilot muscle from described first in one of the embodiments, It is open to the direction of the second opening and all becomes larger, the second auxiliary guiding rib is at a distance from the centre pilot muscle from described first It is open to the direction of the second opening and all tapers into, the first auxiliary guiding rib in every group of auxiliary guiding rib, the second auxiliary are oriented to Muscle class separated in being collectively formed " C " font.

The inner surface of second support portion and/or outer surface have been provided projectingly support and have added in one of the embodiments, Strengthening tendons, the supporting rib stiffener are located at the lower section of the nose bridge buffer strip.

The supporting rib stiffener approximation is rectangular in one of the embodiments, and the supporting rib stiffener is close to described The side of two openings is connected with ridge area liner, and the supporting rib stiffener is close to the side of first opening and the nose Beam portion buffers band connection, and the thickness of the supporting rib stiffener is all more than the thickness of ridge area liner and nose bridge buffer strip.

The both sides of the supporting rib stiffener are provided with auxiliary guiding rib in one of the embodiments, each auxiliary Guiding rib includes the root being wholely set and in hook-shaped hook portion, and the root is close to one end of second opening and the branch Support the side connection of reinforcing rib, the root is open from described first to the at a distance from the middle axial plane of the flexible case The directions of two openings become larger, the middle axial plane of the inner concave of the hook portion towards the flexible case.

Assist the thickness of guiding rib to be open from the root close to described second one in one of the embodiments, End to the end of the hook portion tapers into.

A kind of respiratory interface device, including:

Bandage;

Connection component, one end of the connection component with air delivery pipe for connecting;

Connection shell in centre is connected to the other end of the connection component, and the connection component is relative to the intermediate connection Shell is rotatable, the interconnecting piece for being connect with the bandage is provided on the intermediate connection shell, to assist the breathing interface The wearing of device;

Above-mentioned flexibility case, connection are arranged in the described intermediate one end of connection shell far from the connection component.

A kind of respiratory interface device, including:

Bandage;

Connection component, one end of the connection component with air delivery pipe for connecting;

Connection shell in centre is connected to the other end of the connection component, and the connection component is relative to the intermediate connection Shell is rotatable;

Above-mentioned flexibility case, connection are arranged in the described intermediate one end of connection shell far from the connection component;

Holder is removably connected on the intermediate connection shell, for being connect with bandage, to assist the breathing interface to fill The wearing set.

Above-mentioned flexibility case, the sealing gasket being close to human skin when the opening of flexible case is provided with wearing are soft Property case be provided with flexible buffer band, flexible buffer band generates deformation when wearing, to disperse pressure and make sealing gasket dynamic Profile with user's face makes sealing gasket form effective sealing with user's face, and the comfort under wearing for a long time is high, And it can match well with human body nasal contours, be suitable for the use demand of different age group, versatility is high.

Description of the drawings

Fig. 1 a, Fig. 1 b, Fig. 1 c are respectively the schematic diagram of the assembling of nose cup, decomposition, wearing;

The schematic diagram that Fig. 2 a, Fig. 2 b are respectively mask assembling, wear;

Fig. 3 is the dimensional structure diagram of shell;

Fig. 4 a, Fig. 4 b, Fig. 4 c are respectively forward sight, backsight, the schematic side view of respiratory interface device;

Fig. 5 a, 5b are respectively solid, the elevational schematic view of flexible case;

Fig. 6 is the sectional view of flexible case and shell;

Fig. 7 is the transverse sectional view of the flexible case and shell of an embodiment;

Fig. 8 is the longitudinal sectional view of the flexible case and shell of an embodiment;

Fig. 9 is the schematic diagram that nose bridge buffer strip forms concave inward structure when respiratory interface device is worn;

Figure 10 is the transverse sectional view of the flexible case and shell of a preferred embodiment;

Figure 11 is the transverse sectional view of the flexible case and shell of another preferred embodiment;

Figure 12 is the schematic side view of the flexible case and shell of a preferred embodiment;

Figure 13 is the transverse sectional view of the flexible case and shell of another preferred embodiment;

Figure 14 is the directions the B-B schematic cross-sectional view in Figure 12;

Figure 15 is the directions the C-C schematic cross-sectional view in Figure 12;

Figure 16 is the lateral schematic cross-sectional view of the flexible case and shell of a preferred embodiment;

Figure 17 is the schematic cross-sectional view of the flexible case of a preferred embodiment;

Figure 18 is longitudinal schematic cross-sectional view of the flexible case and shell of a preferred embodiment;

Figure 19 is the schematic side view of the flexible case and shell of another preferred embodiment;

Figure 20 is the schematic top plan view of the flexible case and shell of another preferred embodiment;

Figure 21 is longitudinal schematic cross-sectional view of the flexible case and shell of another preferred embodiment.

Specific implementation mode

To facilitate the understanding of the present invention, below with reference to relevant drawings to invention is more fully described.In attached drawing Give the better embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure Add thorough and comprehensive.

It should be noted that when an element is considered as " connection " another element, it can be directly to separately One element may be simultaneously present centering elements.Term as used herein " vertically ", " horizontal ", "left", "right" And similar statement is for illustrative purposes only, is not offered as being unique embodiment.

Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more Any and all combinations of relevant Listed Items.

As shown in Fig. 4 a to Fig. 5 b, flexibility case 40 provided by the invention, flexible case 40 is the hollow elasticity that has, and Both sides be respectively provided with the first opening 401 and second opening 403, second opening 403 fringe region be provided with human body nose or The sealing gasket 410 that snout skin is close to, sealing gasket 410 include padding 411, first for sealing the ridge area of nose bridge Area's liner 413 and the secondth area liner 412, the sealing wing of nose and upper lip or lower lips when the firstth area liner 413 is used to wear, the 2nd area liner 412 is for sealing nose both sides.Secondth area liner 412 is symmetrical about the axis face of flexible case 40;Flexible case 40 are provided with flexible buffer band 441, which is deformed after being pressurized, and can adjust the first opening 401 and sealing lining The distance between pad 410;Case of the flexible case 40 between the first opening 401 and sealing gasket 410 includes the first case 420, side case 430 and the second case 431, the first case 420, side case 430 and the second case 431 form case wall 402, the first case 420 is connect close to nose bridge and with ridge area liner 411, and side case 430 is to be connected to the first case 420 The case of the left and right sides, the second case 431 are connected to side case 430 and pad 413 close to the firstth area, the first case 420, side Mask shell 430 and the second case 431 are all symmetrical about the axis face of flexible case 40;Flexible buffer band 441 is in continuous band-like The both sides of structure, flexible buffer band 441 are symmetrical about the axis face of flexible case 40 and extend to the direction of sealing gasket 410, The width of flexible buffer band 441 is gradually reduced from centre to both sides, and the end of both sides may be configured as arc.The sealing gasket of setting 410 can increase comfort when wearing, the structure of setting flexible buffer band 441, when wearing flexible buffer band 441 generate deformation and It replys so that the distance between the flexible case 40 positioned at about 441 both sides of flexible buffer band can adjust in a certain range.

A to Fig. 1 c is please referred to Fig.1, the present invention also provides respiratory interface devices, including bandage 60, connection component 10, centre Connect shell 30, holder 20 and above-mentioned flexible case 40;One end of connection component 10 with air delivery pipe for connecting, centre connection Shell 30 is connected to the other end of connection component 10, and connection component 10 is rotatable relative to centre connection shell 30, and holder 20 can Dismantling connection is on centre connection shell 30, and for being connect with bandage 60, assisted respiration interface device wears human body head;Flexible cover The connection of shell 40 is arranged in the centre one end of connection shell 30 far from connection component 10.

Of course, holder 20 can not also be used, but it is provided on centre connection shell 30 for being connect with bandage 60 Interconnecting piece, the interconnecting piece to assisted respiration interface device wearing.

As shown in Figure 1 a, 1 b, connection component 10 includes bend pipe 110 and connector 120, during connector 120 and bend pipe 110 are all Empty tubular part, cross section can all be set as circular ring shape;Connector 120 is used to connect (not shown) with air delivery pipe;Bend pipe 110 connect with connector 120 and are in bending, and bend pipe 110 is rotatable relative to connector 120;Of course, bend pipe 110 and connector 120 Between can also use snapping structure;Centre connection shell 30 is snapped on bend pipe 110 and can be rotated relative to bend pipe 110.

When respiratory interface device is nose cup, multiple gas vents 111 can be provided on bend pipe 110, to ensure one Fixed leak rate, effectively by the carbon dioxide discharge of patient's exhalation;As shown in Figure 2 a, when respiratory interface device is mask, Multiple gas vents 112 can be opened up on centre connection shell 30, connector 120 can be arranged with anti-suffocation valve, and bend pipe 110 is snapped in anti- Suffocate on valve.

As shown in figure 3, the end outline of intermediate connection shell 30 is approximately isosceles triangle, centre connection shell 30 includes successively The connector 120 of connection, intermediate 30, shell of connection and interface portion, centre connection shell 30 from connector portions 310 to interface portion 330 by Cumulative big, connector portions 310, housing section 320 and the interface portion 330 of centre connection shell 30 can also be to be wholely set, centre connection The sectional dimension that shell is 30 gradually increases from connector portions 310 to interface portion 330, and the intermediate outside for connecting 30, shell may be provided with more The button bit of a screens outstanding and recess, for connecting simultaneously fixing bracket 20 with holder 20.

Flexible case 40 can be processed by quadric injection mould it is integrally formed.Specifically, may be integrally formed in centre In the interface portion 330 for connecting shell 30, flexible case 40 has certain flexibility, and the silica gel material of about 40 degree of shore hardness can be used It is made.The shape of flexible case 40 and sealing gasket 410 is ergonomically designed, and can match the different mouth of most of patient Portion, nasal contours.The sealing gasket 410 may be designed to thin single layer silica gel structure, may be designed as containing the more of support pad Layer silica gel structure includes that outer layer pads and is used to support the support pad of outer layer liner positioned inside, such as is designed to two The silica gel structure of layer.

As shown in Fig. 1 a to Fig. 1 c, it is in strip that holder 20, which can be whole, and the length direction of holder 20 is perpendicular to centre The middle axial plane of shell 30 is connected, 20 both sides of holder are respectively provided with interconnecting piece 210, for being connect with bandage 60, assisted respiration interface dress The wearing set.

As illustrated in figure 1 c, when respiratory interface device is nose cup, the firstth area liner 413 is used to seal the wing of nose and upper lip, the The thickness of one area liner 413 could be provided as 0.3mm~0.5mm, when wearing, the second 403 noses towards user of opening, and nose Portion, which is located at, to be entered by the second opening 403 in the receiving inner cavity of nose cup.

As shown in Fig. 2 a, Fig. 2 b, when respiratory interface device is mask, the firstth area liner 413 is for sealing the wing of nose and lower lip Portion, when wearing, the second 403 noses and oral area towards user of opening, nose and oral area enter mask by the second opening 403 Receiving inner cavity in.

As shown in fig. 7, side case 430 includes left side case 430a and right side case 430b, on the inside of the case 430a of left side The side of neighbouring 410 upper left side sealing area of sealing gasket is provided with the reinforcing rib 4301a of thickening, and reinforcing rib 4301a is from the One case, 420 priority extends to the engaging portion of the second case 431 and left side case 430a.Meanwhile it is adjacent on the inside of the case 430b of right side The side in nearly 410 upper right side seal area of sealing gasket is also equipped with the reinforcing rib 4301b of thickening, and the reinforcing rib of both sides is about flexibility The axis face of case 40 is symmetrical.

As shown in Figures 3 to 6, flexible case 40 has the first support portion 4401 and the second support portion 4402, flexible buffer Band 441 is connected between the first support portion 4401 and the second support portion 4402, and the first support portion 4401 is located at flexible buffer band 441 Top and close to the first opening 401, the first support portion 4401 along the flexible buffer band 441 upper contour extension to both sides End, the second support portion 4402 are located at the lower section of flexible buffer band 441 and extend to both sides along the bottom profiled of flexible buffer band 441 End.

As shown in fig. 6, the side that the both sides of flexible buffer band 441 are respectively facing both sides from the top of the first case 420 is covered Shell 430 and the direction extension for being gradually distance from the first opening 401, so that along stress direction shape occurs for flexible buffer band 441 after compression Become, of course, the both sides of flexible buffer band 441 can also be to extend towards the direction for being gradually distance from the second opening 403.First support Portion 4401, the second support portion 4402 thickness be all more than the thickness of flexible buffer band 441, the thickness of flexible buffer band 441 can be with It is set smaller than the thickness in 40 other regions of flexible case, flexible the first support portion for being all more than both sides of flexible buffer band 441 4401, the flexibility of the second support portion 4402, the first support portion 4401, the second support portion 4402 and flexible buffer band 441 form soft Property buffer structure 440, that is to say, that can occur certain deformation after compression positioned at intermediate flexible buffer band 441, first The distance between support part 4401 and the second support portion 4402 become smaller, and flexible buffer band 441 is recessed to 40 inner cavity of flexible case to be bent.

In one embodiment, the surface of flexible buffer band 441 has been provided projectingly at least one guiding rib, and guiding rib is about soft The axis face of property case is symmetrical, and guiding rib can be but not limited to rectangular, vertical bar type, arc.The guiding rib makes flexible slow Rushing can make the part of deformation that can disperse nose bridge with some tension to two side stretchings and be applied to after band 441 is deformed The pressure of sealing gasket 410 so that sealing gasket 410 does not easily lead to after long-time is worn in the bridge of the nose reaction force of nose bridge Portion forms red seal, improves the comfort level of wearing.

As shown in fig. 7, flexible buffer band 441 includes nose bridge buffer strip 4410 and side buffer strip 4411, nose bridge is slow It rushes band 4410 and is located at the nose bridge buffer strip 4410 of central area and close nose bridge, positioned at 4410 both sides of nose bridge buffer strip Side buffer strip 4411, the thickness of nose bridge buffer strip 4410 are less than the thickness of side buffer strip 4411 so that are more easily deformed.

As shown in fig. 7, in one embodiment, guiding rib is to be provided projectingly on the center on 441 surface of flexible buffer band to lead To muscle 510, which includes epimere 5101, hypomere 5103, interlude 5102, epimere 5101 and the first support portion 4401 connections, hypomere 5103 are connect with the second support portion 4402, and interlude 5102 is connected between epimere 5101 and hypomere 5103, Centre pilot muscle 510 is integrally located at the symmetrical centre of flexible buffer band 441, i.e., the trend of centre pilot muscle 510 be from up to The lower and left and right sides is symmetrical about the axis face of flexible case 40;The width of centre pilot muscle 510 gradually becomes from both ends to center Small, the thickness of centre pilot muscle 510 is become larger from both ends to center, that is to say, that centre pilot muscle 510 is at its center Thickness is maximum, width is minimum.The width range of central segment is:The thickness range of 0.5~1.2mm, central segment is:1.2~2mm.

As shown in figure 8, when wearing respiratory interface device, under the pulling force effect of bandage 60, the sealing lining of flexible case 40 The skin contact of pad 410 and user's nose, sealing gasket 410 deform after being pressurized, and nose bridge skin acts on breathing interface dress The sealed liner of the pressure set 410 is passed up to the second support portion 4402, and through centre connection shell 30 to flexible cover when wearing The pressure that shell 40 transmits will be passed down to the first support portion 4401, and the centre pilot muscle 510 that flexible buffer band 441 is arranged is born Pressure from upper/lower terminal to center, while also by the pressure of gas in respiratory interface device inner cavity.On centre pilot muscle 510, The compression at hypomere 5103 towards center concentrates on interlude 5102, makes the centre pilot muscle 510 with interlude 5102 for axle center It bends and deforms to its protrusion direction, the material in 4410 region of induction nose bridge buffer strip bends deformation inwardly.

To enhance the adaptation regulatory function of flexible buffer band 441, can be symmetrically arranged in the both sides of nose bridge buffer strip The auxiliary guiding rib 520 of at least one auxiliary guiding rib 520, both sides is symmetrical about centre pilot muscle 510.

As shown in figure 9, auxiliary guiding rib 520 can guide nose bridge buffer strip 4410 to be pressurized when bending deformation occurs to two Side extends, and forms the groove structure of indent so that the Distance Shortened of nose bridge the first support portion 4401 and the second support portion 4402, The compression applied from intermediate connection shell 30 to nose bridge can effectively be disperseed, improve the comfort of wearing;Meanwhile in conveying phase With under air pressure, the height of the depth and user's nose bridge of the groove structure indent that the compression of nose bridge buffer strip 4410 is formed has Close, when the higher user of the bridge of the nose wears this respiratory interface device, compression deformation of the sealing gasket 410 at the bridge of the nose compared with Greatly, correspondingly, the hollow depth of the groove formed in 4410 region of nose bridge buffer strip is also deeper, the first support portion 4401 and the The distance between two support portions 4402 are shorter.For same wearer, under different conveying air pressures, groove structure indent Depth can also change accordingly, as positive pressure gas flow pressure increases, the depth of groove structure indent will shoal, the first support portion 4401 and second the distance between support portion 4402 will become larger, will suitably increase ridge area liner 411 and nose bridge skin contact The pressure in face, to reduce the risk of the nose bridge gas leakage under high discharge pressure.Nose bridge buffer strip 4410 is provided with centre pilot Muscle 510 and the structure for assisting guiding rib 520, make respiratory interface device have dynamic adaptation regulatory function;Meanwhile big portion can be matched Divide patient's nasal contours of different bridge of the nose height, and can dynamically adjust ridge area liner 411 and nose under different conveying air pressures The pressure of beam portion contact, ensures the air-tightness with wearer's face skin contact under different conveying air pressures.

Auxiliary guiding rib 520 one end connect with the first support portion 4401, the other end direction the second support portion 4402 and with The setting of second support portion 4402 interval.Preferably, assist guiding rib 520 at a distance from centre pilot muscle 510 from upper end to lower end It becomes larger, i.e., is become larger from the direction of 401 to the second opening 403 of the first opening.

As shown in Figure 10, the interlude 5102 in above-mentioned center guiding rib 510 is set as two sections separated, i.e. interlude 5102 include the upper linkage section being connect with epimere 5101, the lower linkage section that is connect with hypomere 5103, upper linkage section and lower linkage section It is spaced, is bent inwards the resistance of deformation process with further decreasing flexible buffer band 441.

In some embodiments, it is each provided at least a pair of of auxiliary guiding rib in the both sides of nose bridge buffer strip 4410, and The auxiliary guiding rib of both sides is symmetrical relative to the axis face of flexible case 40, as shown in Figure 10, in nose bridge buffer strip 4410 Both sides are each provided with a pair of of auxiliary guiding rib, and each pair of auxiliary guiding rib all includes that the first auxiliary guiding rib 521a and the second auxiliary are led To muscle 521b, wherein the first auxiliary guiding rib 521a is located at the top of the second auxiliary guiding rib 521b, the first auxiliary guiding rib The upper end of 521a is connected with the first support portion 4401, and the lower end of the second auxiliary guiding rib 521b and 4402 phase of the second support portion Even, second assist guiding rib 521b's to be located at close the second of the first auxiliary guiding rib 521a close to one end of the first opening 401 On the extension line of one end of opening 403, between the two away from setting, at a distance of about 1~2mm, the two forms an opening.First auxiliary is oriented to The profile of the auxiliary guiding ribs of muscle 521a and second 521b is linear type, the first auxiliary guiding rib 521a, the second auxiliary guiding rib 521b all becomes larger at a distance from centre pilot muscle 520 from from the direction of 401 to the second opening 403 of the first opening, and first is auxiliary The length of guiding rib 521a is helped to be more than the length of the second auxiliary guiding rib, for example, can be by the first auxiliary guiding rib 521a and the The length ratio of two auxiliary guiding rib 521b is set as 2:1.

First auxiliary guiding rib 521a and the second auxiliary guiding rib 521b, which can be arranged, to be of a straight line type, and can also be other Shape, for example, as shown in figure 11, the first auxiliary guiding rib 522a of camber and the second auxiliary guiding rib of arc is arranged 522b, the profile combination of the two class " C " font separated in being formed, the first auxiliary guiding rib 521a and centre pilot muscle 520 Distance from from first opening 401 to the second opening 403 direction all become larger, second auxiliary guiding rib 521b led with center It is all tapered into from from the direction of 401 to the second opening 403 of the first opening to the distance of muscle 520.Both sides above and below flexible buffer band Auxiliary guiding rib be set as in separated structure, the Inward deflection for being conducive to auxiliary guiding nose bridge buffer strip 4410 is backward Both sides assist the opening extension of guiding rib.

In one embodiment, the thickness of nose bridge buffer strip 4410 is tapered into from four circumferential centers, that is to say, that center Place is most thin, keeps the degree of deformability of the center of nose bridge buffer strip 4410 maximum, so that nose bridge buffer strip 4410 Longitudinal direction (direction that the second support portion is directed toward from the first support portion) the outer surface profile tape in section have certain indent radian, I.e. recessed to 40 inner cavity of flexible case, concave curvature radius could be provided as being more than 35mm.When wearing nose cup, nose bridge buffering With 4410 by the first support portion 4401 and the second support portion 4402 towards the pressure at center, due to nose bridge buffer strip 4410 It is flexible maximum at center, and at the center outer surface profile relative to the first support portion 4401 and the second support portion 4402 to flexibility Cavity direction is recessed in case 40, and nose bridge buffer strip 4410 will bend inwards when upper and lower stress deformation and extends to both sides, is formed Groove structure, the groove structure of formation are conducive to disperse the stress suffered by user's nose bridge, reduce the risk for generating red seal, carry Comfort is risen, alternatively, it is also possible to promote the suitability of its wearing.

As shown in Figure 12 to Figure 15, likewise, at least one can be symmetrically arranged in the both sides of nose bridge buffer strip 4410 To assisting guiding rib 531, can play the role of that 4410 Inward deflection of nose bridge buffer strip is guided to its both sides to extend.

In another embodiment, convex in the inner surface of the second support portion 4402 and/or outer surface as shown in Figure 16 to Figure 18 Equipped with a supporting rib stiffener 541, it is between the two that supporting rib stiffener 541 is in reinforcing rib 4301a and 4301b, and is located at nose bridge The lower section of buffer strip 4410.The shape of supporting rib stiffener 541 includes but not limited to rectangle, vertical bar type, arc etc..

In a specific embodiment, the setting of the shape of supporting rib stiffener 541 is in being approximately rectangle.Supporting rib stiffener 541 Close to second opening 403 side connection ridge area pad 411 place sealing gaskets, close to first opening 401 side Connect nose bridge buffer strip 4410;The thickness of the supporting rib stiffener 541 is all more than ridge area liner 411, nose bridge buffer strip 4410 thickness.Specifically, the thickness of supporting rib stiffener 541 could be provided as 1~2mm.

It is symmetrically arranged with auxiliary guiding rib in the both sides of supporting rib stiffener 541, respectively assists guiding rib 551a and auxiliary Guiding rib 551b, it is as shown in figure 16, each to assist guiding rib all including the root 5510 being wholely set and hook portion 5511, root One end of 5510 close second opening 403 is connected with the left side/of supporting rib stiffener 541 or right side, close to the first opening 401 One end extends (being gradually distance from symmetrical centre) along the inner surface of nose bridge buffer strip 4410 to above both sides, hook portion 5511 and root Portion 5510 is connected close to one end of the first opening 401, and hook portion 5511 is bent the center line close to nose bridge buffer strip 4410, Middle axial plane of the inner concave of hook portion 5511 towards flexible case 40.The thickness of the auxiliary guiding rib of both sides could be provided as 0.8~ 1.5mm, it is preferred that the thickness of its auxiliary guiding rib is from root 5510 close to one end of the second opening 403 to hook portion 5511 End is gradual change, and thickness can be tapered into.

As shown in figure 18, when wearing, nasal region skin act on the pressure on flexible case 40 it is sealed liner 410 to On be transferred on supporting rib stiffener 541, the pressure transmitted to flexible case 40 through intermediate connection shell 30 will be passed down to first Support portion 4401, in this case, nose bridge buffer strip 4410 bear the first buffer part 4402,541 both ends of supporting rib stiffener To the pressure at center, while also by the pressure of nose cup inner chamber gas.When wearing, 40 stress deformation of flexible case, support reinforcing Muscle 541 will be moved towards the first support portion 4401, and the translateral auxiliary guiding rib dispersion of the pressure suffered by supporting rib stiffener 541 passes It is directed at the both sides of nose bridge buffer strip 4410;Meanwhile the upward Displacement-deformation of supporting rib stiffener 541 causes the auxiliary of both sides to be oriented to The end of the hook portion 5511 of muscle is to the Direction distortion far from 4410 symmetrical centre of nose bridge buffer strip, to nose bridge buffer strip 4410 The outside tensile stress in both sides is formed, to induce flexible case where nose bridge buffer strip 4410 to bend deformation inwardly;Auxiliary is led Extend to both sides while guiding the bending of 4410 region of nose bridge buffer strip inwardly to deform to muscle 551, as shown in figure 9, making The Distance Shortened of the first support portion 4401 and the second support portion 4402 is obtained, the formation of this structure has effectively disperseed from shell to the bridge of the nose The compression that portion applies, improves the comfort of wearing.

It should be noted that the various reinforcing ribs of above-mentioned setting and auxiliary guiding rib are not limited to be provided projectingly in flexible case 40 inner surface can be provided projectingly in the outer surface of flexible case 40 and or inner surface.Supporting rib stiffener and corresponding auxiliary The inner surface in flexible case 40 can be arranged in guiding rib simultaneously, as shown in figs. 16-18;Supporting rib stiffener 541 and corresponding auxiliary Help guiding rib that can also be arranged simultaneously in the outer surface of flexible case 40, as shown in figs. 19-21.

Above-mentioned flexibility case, the sealing gasket being close to human skin when the opening of flexible case is provided with wearing are soft Property case be provided with flexible buffer band, flexible buffer band generates deformation when wearing, to disperse pressure and make sealing gasket dynamic Profile with user's face makes sealing gasket form effective sealing with user's face, and the comfort under wearing for a long time is high, And it can match well with human body nasal contours, be suitable for the use demand of different age group, versatility is high.

Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, it is all considered to be the range of this specification record.

Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (17)

1. a kind of flexibility case, which is characterized in that there is the flexibility case elasticity and both sides to be respectively provided with the first opening and the The fringe region of two openings, second opening is provided with the sealing gasket being close to human body nose or snout skin, described Sealing gasket includes padding for sealing the ridge area of nose bridge, being served as a contrast for sealing the firstth area of the wing of nose and upper lip or lower lips It pads and for sealing the secondth area liner at left and right sides of nose, the flexibility case is in first opening and the sealing gasket Between case include close to nose bridge and with the first case of ridge area liner connection, to be connected to first case left The side case of right both sides, the second case for being connected to the side case;
A flexible buffer band is provided on the flexibility case, the flexible buffer band is continuous banded structure, the flexibility The both sides of buffer strip are symmetrical about the axis face of the flexible case, and the width of the flexible buffer band is gradual from centre to both sides Reduce, after the sealing gasket is pressurized, the partially or fully region of the flexible buffer band generates elasticity bending deformation, with dispersion Pressure and the profile for making the sealing gasket Dynamic Matching user face, form effectively sealing, and the flexibility case has the One support portion, the second support portion, the flexible buffer band connection are described soft between first support portion and the second support portion Property buffer strip surface be provided projectingly at least one guiding rib, the guiding rib is a centre pilot muscle, the centre pilot Muscle includes the epimere being connect with first support portion, the hypomere being connect with second support portion, be connected to the epimere and The width of interlude between hypomere, the centre pilot muscle is tapered into from both ends to center, the thickness of the centre pilot muscle Degree is become larger from both ends to center.
2. flexibility case according to claim 1, which is characterized in that first support zone is in the flexible buffer band Top and close to it is described first be open, first support portion along the flexible buffer band upper contour extension to both sides end End, second support zone extend to both sides in the lower section of the flexible buffer band and along the bottom profiled of the flexible buffer band End;
The both sides of the flexible buffer band from the top of first case be respectively facing both sides the side case and gradually Direction far from first opening extends;
First support portion, the second support portion thickness all be more than the flexible buffer band thickness, the flexible buffer band Flexible first support portion for being all more than both sides, the second support portion flexibility, first support portion, the second support portion and Flexible buffer band forms flexible buffer structure;
The sealing gasket is single layer pad of silica gel or the multilayer pad of silica gel with support pad.
3. flexibility case according to claim 2, which is characterized in that the flexible buffer band include positioned at central area and Close to nose bridge buffer strip, the side buffer strip positioned at nose bridge buffer strip both sides of nose bridge, the nose bridge buffering The thickness of band is less than the thickness of the side buffer strip.
4. flexibility case according to claim 3, which is characterized in that the thickness of the nose bridge buffer strip is from four circumferential directions The heart tapers into.
5. flexibility case according to claim 1, which is characterized in that axis of the guiding rib about the flexible case Face is symmetrical.
6. flexibility case according to claim 3, which is characterized in that the both sides of the nose bridge buffer strip are symmetrically arranged with The auxiliary guiding rib of at least one auxiliary guiding rib, both sides is symmetrical about the centre pilot muscle.
7. flexibility case according to claim 6, which is characterized in that one end of the auxiliary guiding rib and described first Support part connection, the other end are arranged towards second support portion and with second support portion interval.
8. flexibility case according to claim 6, which is characterized in that the auxiliary guiding rib and the centre pilot muscle Distance becomes larger from the direction of the first opening to second opening.
9. it is according to claim 1 flexibility case, which is characterized in that the interlude include connect with the epimere it is upper Linkage section, the lower linkage section being connect with the hypomere, the upper linkage section are arranged with the lower linkage section interval.
10. flexibility case according to claim 3, which is characterized in that the both sides of the nose bridge buffer strip are symmetrical arranged Have at least one set of auxiliary guiding rib, every group of guiding rib all include the first auxiliary guiding rib connect with first support portion and Second auxiliary guiding rib of the second support portion connection, the first auxiliary guiding rib assist both guiding ribs with described second Interval is arranged and forms an opening.
11. flexibility case according to claim 10, which is characterized in that the first auxiliary guiding rib is led with the center It is all become larger from the direction of the first opening to second opening to the distance of muscle, the second auxiliary guiding rib is led with the center It is all tapered into from the direction of the first opening to second opening to the distance of muscle, the first auxiliary in every group of auxiliary guiding rib Guiding rib, the second auxiliary guiding rib class " C " font separated in being collectively formed.
12. flexibility case according to claim 3, which is characterized in that the inner surface and/or appearance of second support portion Face has been provided projectingly supporting rib stiffener, and the supporting rib stiffener is located at the lower section of the nose bridge buffer strip.
13. flexibility case according to claim 12, which is characterized in that the supporting rib stiffener approximation is rectangular, described Supporting rib stiffener is connected close to side and the ridge area liner of second opening, and the supporting rib stiffener is close to described the Side and the nose bridge of one opening buffer band connection, the thickness of the supporting rib stiffener be all more than ridge area liner and The thickness of nose bridge buffer strip.
14. flexibility case according to claim 13, which is characterized in that the both sides of the supporting rib stiffener are provided with auxiliary Guiding rib, each auxiliary guiding rib include the root being wholely set and in hook-shaped hook portion, and the root is close to described the Two opening one end connect with a side of the supporting rib stiffener, the root and it is described flexibility case middle axial plane away from It is become larger from from the direction of the first opening to second opening, the inner concave of the hook portion is towards in the flexible case Axial plane.
15. flexibility case according to claim 14, which is characterized in that the thickness of the auxiliary guiding rib is from the root It is tapered into close to the end of one end to the hook portion of second opening.
16. a kind of respiratory interface device, which is characterized in that including:
Bandage;
Connection component, one end of the connection component with air delivery pipe for connecting;
Centre connection shell, is connected to the other end of the connection component, and the connection component can relative to the intermediate connection shell It rotates, the interconnecting piece for being connect with the bandage is provided on the intermediate connection shell, to assist the respiratory interface device Wearing;
Flexible case as described in any one of claim 1-15, connection setting is in the intermediate connection shell far from the connection One end of component.
17. a kind of respiratory interface device, which is characterized in that including:
Bandage;
Connection component, one end of the connection component with air delivery pipe for connecting;
Centre connection shell, is connected to the other end of the connection component, and the connection component can relative to the intermediate connection shell Rotation;
Flexible case as described in any one of claim 1-15, connection setting is in the intermediate connection shell far from the connection One end of component;
Holder is removably connected on the intermediate connection shell, for being connect with the bandage, to assist the breathing interface to fill The wearing set.
CN201610726664.5A 2016-08-25 2016-08-25 Flexible case and respiratory interface device CN106267489B (en)

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Application Number Priority Date Filing Date Title
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CN106267489B true CN106267489B (en) 2018-10-16

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Citations (5)

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Publication number Priority date Publication date Assignee Title
CN1681553A (en) * 2002-09-06 2005-10-12 雷斯梅德有限公司 Cushion for a respiratory mask assembly
CN101119763A (en) * 2005-01-12 2008-02-06 雷斯梅德有限公司 Reinforcing member for a patient interface
CN104587580A (en) * 2015-02-05 2015-05-06 深圳瑞之谷医疗科技有限公司 Mask
CN104623784A (en) * 2015-02-05 2015-05-20 深圳瑞之谷医疗科技有限公司 Nose mask
CN206381472U (en) * 2016-08-25 2017-08-08 深圳瑞之谷医疗科技有限公司 Flexible case and respiratory interface device

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Publication number Priority date Publication date Assignee Title
ES2525803T3 (en) * 2000-02-25 2014-12-30 Resmed R&D Germany Gmbh Sealing lip device for a breathing mask and procedure and molding tools for manufacturing it
US9295799B2 (en) * 2004-04-02 2016-03-29 Fisher & Paykel Healthcare Limited Breathing assistance apparatus

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
CN1681553A (en) * 2002-09-06 2005-10-12 雷斯梅德有限公司 Cushion for a respiratory mask assembly
CN101119763A (en) * 2005-01-12 2008-02-06 雷斯梅德有限公司 Reinforcing member for a patient interface
CN104587580A (en) * 2015-02-05 2015-05-06 深圳瑞之谷医疗科技有限公司 Mask
CN104623784A (en) * 2015-02-05 2015-05-20 深圳瑞之谷医疗科技有限公司 Nose mask
CN206381472U (en) * 2016-08-25 2017-08-08 深圳瑞之谷医疗科技有限公司 Flexible case and respiratory interface device

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