DE19981084C1 - Breathing mask for nasal use during sleep disturbance therapy - Google Patents

Abstract

The nasal breathing mask has a holder which together with a strap, positions the mask on the nose of the user. The mask has a tube connection (9) which feeds breathing air from a compressor to the mask. The mask has a long tube (3) with a front shield mounting which slides axially relative to the tube and which is formed as part of the holder. An angled tube (6) is adjustable relative to the long tube by turning the tube connection attached to it. A mask holder part (2) is mounted on the long tube section which is on the other end from the angled tube.

Description

The invention relates to a nasal breathing mask of the genus Claim 1 or on a breathing tube for breathing masks after the Type of Claim 16.

Nasal ventilation masks are used to supply breathing air to therapeutic Purposes, for example for the therapy of sleep disorders with apnea.

Conventional respiratory masks consist of a partially elastic, anatomical molded mask part and a mask holding part on which the holding straps of Respiratory mask for pressing the mask part to the nose are attached. The The mask part is held against the nose by the straps around the back of the head pressed. The ventilation air can be supplied via a hose connection on the mask holding part through a breathing tube. The ventilation air comes from here from an overpressure generating device.

Due to the direct attachment of the ventilation hose to the mask holding part the ventilation tube lies in the facial area of the head and in the Range of motion of the arms. Especially in the therapy of lying patients, like for example in the therapy of sleep disorders, this leads to more restricted Freedom of movement for patients. In the therapy of patients with sleep disorders This is particularly negative since the patient is restricted due to movement are tense in the sleep phase and therefore cannot fall asleep. in the  In extreme cases, it can be caused by patients with sleep disorders and restless sleep violent movements during sleep to kink or tear off the Breathing tube come.

Successful ventilation therapy is therefore conventional Respiratory masks are insufficient.

The object underlying the invention is a nasal Ventilation mask of the generic type to create a secure hold and a perfect function guaranteed even with restless sleeping users and which restricts the freedom of movement of the user as little as possible without to have to use technically complex means.

This object is achieved according to the invention with a ventilation mask according to claim 1 solved or with a breathing tube according to claim 16.

Advantageous embodiments of the respiratory mask according to the invention are in the Claims 2 to 15 and advantageous embodiments of the invention Ventilation hose are given in claims 17 and 18.

The nasal ventilation mask according to the invention with the characteristic Features of claim 1 offers the advantage of greater freedom of movement and at the same time reducing the risk of the ventilation breaking off and tearing off hose because the hose connection for the ventilation hose from the Facial area of the head and from the range of motion of the arms to the Top of the head is moved away. Through the ventilation air supply via a Rotatable hose connection also increases freedom of movement increased.  

The greater freedom of movement is achieved by moving the Hose connection away from the mask holding part. This relocation is achieved through an elongated tube, which extends from the Nose extends upwards. The unit mask holding part - elongated tube can also be made in one piece.

A front shield holder is connected to the elongated tube, on the turn an end shield is formed. Form the front shield mount and the front shield together with a strap, the nasal ventilation mask.

In addition to the headband-like arrangement of the front shield and Strap another strap over your head and with the headband-like webbing to be connected at the back of the head.

The straps are different in length due to eyelets in the front shield Customizable head sizes. If flexible straps are used, they can become Adjust over a certain range without further adjustment in the eyelets.

It can be beneficial in vigorously moving patients, to that above described holder additionally a second attached to the mask holding part Webbing in a conventional manner to guide the back of the head, which thereby the nasal breathing mask also presses against the nose and thus additionally fixed.

The position of the front shield relative to the mask part or the mask holding part can by moving the front shield relative to the elongated tube to different  anatomical conditions are adjusted. It is particularly advantageous if the front shield mount and the front shield are firmly connected and the Front shield mount is vertically slidable on the elongated tube, the Mask part and the variable angle tube can be designed as stops. The front shield mount and the front shield can also be made in one piece be executed.

The vertical relative adjustment can also be done by a vertical adjustment of the position the front shield mount and the front shield are made by shifting each other, the front shield holder in a guide rail of the front shield or the Front shield guided in a rail of the front shield holder in a known manner and can be attached.

At the upper end of the elongated tube is an angle tube, which is rotatable against the elongated tube. The angle tube is useful as a knee tube designed. However, an embodiment is also possible in which the angle between the vertical elongated tube and the variable angle tube through a partially elastic bellows in the manner of a kinkable drinking straw or through a Knee joint is adjustable.

At the end of the variable angle tube, which is angled against the elongated tube, there is a Hose connection arranged for receiving a ventilation hose, which to further increase the freedom of movement against the angle tube is rotatable.

To adapt to the patient's anatomy, the ventilation mask is equipped with a Mask part made of elastic and deformable material provided with the remaining respiratory mask unit is detachably connected via a mask holding part.  

This connection is made by snapping a molded bead of the elastic and deformable mask part in an annular recess of the mask holder part. It is therefore easy to change and clean the Part of the mask a hygienic alternating use of a nasal Ventilation mask possible by several patients. To adjust the mask the different face shapes and nose sizes of the users can be use different sized elastic mask parts.

According to a further advantageous embodiment of the invention between the elongated tube and the angled tube a flexible intermediate hose provided, which increases the comfort for the user. To this The angle tube is placed on the top of the head and completely out of the way Removed user's face area, making it easier to handle Ventilation mask, for example when connecting the ventilation hose the angle tube means. It also finds another one in this way Decoupling of forces on the respiratory mask takes place because of impacts, thrusts and the like on the breathing tube through the flexible intermediate hose can also be intercepted.

According to a further advantageous embodiment of the invention are on the angle tube lockable connecting piece for gas supply and / or gas withdrawal into or provided from the breathing air flowing to the mask part. In this way measurements can be made in the ventilation air or it can Additives into the ventilation air, such as anesthetic gases, without additional disruptive lines in the patient's facial area / - Are to be arranged by the user.

According to a further advantageous embodiment of the invention, there is a distance adjustment device between front shield and elongated tube for adjusting the  Distance from the front shield to the mask part is provided. This is the ventilation mask can be easily adjusted to different forehead / nose anatomies, which also increases the comfort for the user. Can advantageously the front shield mount serve as a distance adjustment device by the elongated Pipe rotatably attached arms provided in the back of the front shield mount Fastening openings are releasably clickable. To adjust the distance to release the arms from a grid position on the front shield mount and at Adjustment of the angle formed between the arms in another To fix the grid position again. The Anne can be spread over clips a sleeve that is vertically slidably attached to the elongated tube, thus the rotatability (between clips and sleeve) and the displaceability (between sleeve and elongated pipe) of the front shield, if necessary under Overcoming different frictional resistances is made possible.

According to a further advantageous embodiment of the invention, the User facing side of the end shield provided a forehead pad, the The forehead pad is attached to the front shield with barbed knobs in openings. The forehead pad increases the comfort of the user, is easy to install and is also easily interchangeable, e.g. B. for hygiene reasons if the Ventilation mask to be used with a new user. The barbs the knobs serve as a protection against loss so that the forehead pad does not come off can unintentionally detach from the front shield.

According to a further advantageous embodiment of the invention are on the mask part Eyelets for attaching an additional webbing provided is advantageously attachable to the user's head below the ears. The The ventilation mask is also secured against unintentional slipping. The From the user's point of view, eyelets can extend obliquely upwards be arranged, whereby the webbing to lie smoothly on the head of the user comes and does not cut uncomfortably on the side. The oblique arrangement of the  Eyelets allow the additional webbing to be guided efficiently the latter an even fit of the mask part on the face of the user guaranteed.

According to a further advantageous embodiment of the invention, the Ventilation tube has a ribbed surface on the outside and on his Inside a smooth surface. As a result, the breathing tube is on the one hand Flexibly elastic, but on the other hand against imprints and unwanted Secured together. The bending elasticity is therefore important Even if the ventilation hose is used repeatedly, a breakthrough and the occurrence of cracks is prevented. The inside of the breathing tube has a smooth surface, resulting in an unimpeded flow of Respiratory air is guaranteed because of turbulence within the airflow are largely prevented. According to a further advantageous embodiment According to the invention, the intermediate hose also has a ribbed outer surface Surface and a smooth surface on the inside. The above apply here described advantages accordingly.

According to an advantageous embodiment of the invention, a hose for the Use in medical devices and especially for the Use provided in respiratory masks that consist of a flexible elastic Material is made and a ribbed surface on the outside and on his Has a smooth surface on the inside. The advantages of the hose are one increased bending elasticity compared to known gas-flowed hoses and a longer life of the hose according to the invention. Repeated too Twisting and bending the hose does not lead to cracks or breaks, which ensures a long-term and leak-free gas flow, what a undisturbed medical or therapeutic treatment of the utmost importance is. In addition, the gases flow through the hose without turbulence, thereby  Pressure losses are avoided and more targeted treatment and in particular Ventilation is possible.

According to a further advantageous embodiment of the invention, the hose is made made of silicone. Silicone has the necessary elasticity to bend and is easy to shape what enables cost-effective production of hoses according to the invention. It is advantageously a hose from the company Silicontechnik Merz GmbH used, with further details on the details of the hose there are available.

Further advantages and advantageous embodiments of the invention are the following description, the drawing and the claims.

Several exemplary embodiments of nasal ventilation masks according to the invention are shown in the drawing and described in more detail below. Show it:

1 is a front view of a first embodiment of a nasal respiratory mask with a large vertical distance between the end shield and mask portion.

FIG. 2 shows a front view of the respiratory mask according to FIG. 1 with a small vertical distance between the front shield and the mask part;

Fig. 3 is a side view of the nasal respiratory mask according to Fig 1 and Fig. 2.

4 is a side view of a second embodiment of a nasal respiratory mask with the intermediate tube and connected ventilation tube. and

Fig. 5 is a perspective rear view of the respirator mask of FIG. 4.

The first embodiment of a nasal respiratory mask shown in FIG. 1 consists of a flexible mask part 1 for adapting the respiratory mask to the patient's anatomy. The flexible mask part 1 is detachably connected to a mask holding part 2 .

An elongated tube 3 , which is arranged vertically, is attached to the mask holding part 2 .

At the upper end of the tube 3 there is an angle tube 6 . The elbow tube 6 , which is designed as a knee tube, is designed to be radially rotatable against the elongated tube 3 . At the free end of the horizontal part of the angle tube 6 there is a hose connection 9 for a ventilation hose, not shown. This hose connection 9 can be rotated axially around the horizontal part of the angle tube 6 for an additional increase in freedom of movement.

An end shield receptacle 4 is slidably mounted on the elongated tube 3 between stops of the mask holding part 2 and the vertical part of the angle tube 6 . In Fig. 1, the position of the end shield receptacle 4 at the upper stop formed by the end edge of the vertical part of the angle tube 6 is shown. This results in the maximum vertical distance between the mask part 1 and a unit formed by a front shield 5 and a webbing 7 . The end shield receptacle 4 is firmly connected to the end shield 5 in the exemplary embodiment shown.

The positioning and fixing of the front shield receptacle 4 on the elongated tube 3 is carried out here by friction clamping.

The length of the webbing 7 is fastened to the front shield 5 by means of eyelets 12 and 13 . In addition to the webbing 7 , a webbing 8 is also fastened in an eyelet 14 on the top of the front shield 5 , which is guided over the head for more stable mounting of the nasal respiratory mask and is connected to the webbing 7 at the back of the head. The straps consist in the exemplary embodiment shown from an elastic material.

The nasal ventilation mask is positioned by pulling the unit over the user's head. The optimal distance between the front shield 5 with the webbing 7 and the mask part 1 resulting from the anatomy of the user is set by moving the front shield holder 4 on the elongated tube 3 . In addition, by adjusting the webbing 7 and the additional webbing 8 by means of the eyelets 12 to 14, the holder of the respiratory mask is adapted to the shape of the head of the user and by tightening the webbing to different extents, the desired fastening of the respiratory mask is also carried out. The ventilation hose is connected via the hose connection 9 .

In FIG. 2, the respiration mask according to Fig. 1, wherein the difference in the vertical position of the end shield receptacle 4 and thus also of the face shield 5 is made with the belt 7 relative to the mask part 1. Here is the forehead shield holder on the lower stop formed by the upper edge of the mask holding part 2 . The positioning and fixing of the front shield holder on the elongated tube 3 is carried out by friction clamping.

FIG. 3 shows a side view of the respiratory mask according to FIG. 1, the region of the attachment of the mask part 1 to the mask holding part 2 being shown partly in section.

The mask part 1 is connected to the mask holding part 2 in such a way that an annular bead 10 is formed in the mask part 1, which is made of elastic material and is pressed into an annular recess 11 of the mask holding part. Thus, the mask part 1 and the mask holding part 2 are mechanically stable and airtight in the manner shown.

In Fig. 4 and in Fig. 5, a second embodiment of a nasal breathing mask with an intermediate tube 16 and a breathing tube 15 connected to the angle tube 6 is shown. The same parts are referred to below with the same reference numerals. The intermediate tube 16 and the breathing tube 16 are designed to be flexible and have a ribbed outer surface and a smooth inner surface, not shown in the drawing. The fact that the intermediate tube 16 and the ventilation tube 15 are designed to be elastic prevents an inadvertent kinking of the tubes. Any impacts and transverse forces on the mask part 1 are additionally absorbed in this way. On the angle tube 6 , closable connecting pieces 17 are arranged for taking gas or supplying gas into or out of the ventilation air, for example for medical measurements or the admixture of anesthetic gas. The end shield 5 is axially displaceable on the elongated tube 3 and is arranged such that it can be rotated radially around the tube 3 . About a distance adjustment device 18 , the distance between the elongated tube 3 and the front shield 5 can be changed. In this embodiment, the end shield receptacle 4 is simultaneously designed as a distance adjusting device 18 and comprises arms 19 which are rotatably fastened to the elongated tube 3 and which can be latched into fastening openings 20 on the rear of the end shield 5 . The different angular positions of the arms 19 to one another thus cause a change in the distance between the elongated tube 3 and the end shield 5 to adapt the respiratory mask to the specific forehead-nose anatomy of a user. The arms 19 are rotatably connected via a C-shaped and expandable clips 21 to a sleeve 22 mounted on the vertical tube 3 . The sleeve 22 is in turn fastened to the pipe 3 in a vertically displaceable manner. On the side of the end shield 5 facing the user, end pads 23 are detachably fastened by means of knobs 24 with barbs. The forehead pads 23 can be easily replaced if necessary. The barbs of the knobs 24 prevent the forehead pads 23 from being lost . Eyelets 25 are provided on the mask holding part 2 for attaching an additional webbing (not shown in the drawing), this webbing being attached below the ears of a user. The eyelets 25 on the mask holding part 2 are arranged obliquely upwards in this embodiment for better guidance of the webbing on the head of the user.

LIST OF REFERENCE NUMBERS

1

mask portion

2

Mask holding part

3

elongated tube

4

Frontal scale uptake

5

face shield

6

variable angle tube

7

webbing

8th

additional webbing

9

hose connection

10

bead

11

annular recess

12-14

eyelets

15

breathing tube

16

intermediate tube

17

connecting branch

18

Abstandverstelleinrichtung

19

poor

20

mounting holes

21

spreadable clips

22

sleeve

23

forehead pad

24

Nubs with barbs

25

eyelets

Claims (18)

1. nasal breathing mask with a mask part ( 1 ) and a mask holding part ( 2 ) which is connected to a hose connection ( 9 ) for a ventilation hose ( 15 ) and with at least one belt strap for positioning the ventilation mask on the nose of a user, characterized in that the mask holding part (2) is at the upper end with a Läng union pipe (3) in connection to which a (4) connected to the end plate acquisition with a Stirnschildauf (5) is mounted axially displaceably, and in that the elongate tube ( 3 ) is connected to an angled tube ( 6 ) which can be rotated radially with respect to the elongated tube ( 3 ) and which has the hose connection ( 9 ) for the ventilation hose ( 15 ). 2. Nasal ventilation mask according to claim 1, characterized in that the mask part ( 1 ) with the mask holding part ( 2 ) is detachably connected and that the mask part ( 1 ) by latching a molded bead ( 10 ) in an annular recess ( 11 ) of the mask holding part ( 2 ) can be connected to it. 3. Nasal respiratory mask according to claim 1 or 2, characterized in that an eyelet ( 14 ) for fastening egg nes additional webbing ( 8 ) is provided on the top of the end shield ( 5 ). 4. Nasal respiratory mask according to one of the preceding claims, characterized in that the angle tube ( 6 ) is adjustable in its angle. 5. Nasal respiratory mask according to claim 4, characterized in that the angle tube ( 6 ) is adjustable in its angle via a ball joint or via a bellows in the manner of a kinkable drinking straw. 6. Nasal respiratory mask according to one of the preceding claims, characterized in that between the elongated tube ( 3 ) and the angle tube ( 6 ) a flexible intermediate tube ( 16 ) is provided. 7. Nasal respiratory mask according to one of the preceding claims, characterized in that closable connecting pieces ( 17 ) are provided on the angled tube ( 6 ) for gas supply and / or gas extraction into and from the respiratory air flowing to the mask part ( 1 ). 8. Nasal respiratory mask according to one of the preceding claims, characterized in that a distance adjustment device ( 18 ) between the front shield ( 5 ) and the elongated tube ( 3 ) for adjusting the distance from the front shield ( 5 ) to the elongated tube ( 3 ) is provided. 9. Nasal respiratory mask according to claim 7, characterized in that the distance adjustment device ( 18 ) consists of rotatable on the elongated tube ( 3 ) BEFE Stigen arms ( 19 ) which are provided in the rear of the front shield receptacle ( 4 ) provided mounting openings ( 20 ) releasably snap. 10. Nasal respiratory mask according to one of the preceding claims, characterized in that an axially displaceably mounted sleeve ( 22 ) is attached to the elongated tube ( 3 ) and that the front shield receptacle ( 4 ) via C-shaped expandable clips ( 21 ) which the sleeve ( 22 ) can be clipped on to the elongated tube ( 3 ) is fastened in a radially rotatable manner. 11. Nasal respiratory mask according to one of the preceding claims, characterized in that a forehead cushion ( 23 ) is provided on the side of the end shield ( 5 ) facing the user and that the forehead cushion ( 23 ) via knobs ( 24 ) with barbs in openings in the end shield ( 5 ) is attached. 12. Nasal respiratory mask according to one of the preceding claims, characterized in that on the mask holding part ( 2 ) eyelets ( 25 ) are provided for fastening an additional webbing, which can be fastened below the ear Ren on a user's head of the respiratory mask. 13. Nasal respiratory mask according to claim 12, characterized in that the eyelets ( 25 ) from the user's perspective are arranged obliquely upwards outward. 14. Nasal respiratory mask according to one of the preceding claims, characterized in that the breathing tube ( 15 ) has a ribbed surface on its outside and a smooth surface on its inside. 15. Nasal respiratory mask according to claim 6, characterized in that the intermediate tube ( 16 ) has a ribbed surface on its outside and a smooth surface on its inside. 16. Hose for use in medical devices, esp especially for use in ventilation masks according to one of the claims che 1 to 15, characterized in that it has a ge on its outside ripped surface and has a smooth surface on the inside and consists of a flexible material. 17. Hose according to claim 16, characterized in that the ribbed Surface of the outside is a spiral round cord, which is positively connected to the smooth outside of the hose.   18. Hose according to claim 16 or 17, characterized in that it is made of There is silicone.