DE202019102120U1 - Y connector for a dual lumen endotracheal tube - Google Patents

Abstract

Y-connector (19) for a dual-lumen endotracheal tube adapted to connect both lumens of a dual-lumen endotracheal tube (1) to a single source of ventilation, the Y-connector (19) comprising: a ventilation source connector (3) adapted thereto is to be connected to a ventilation source, a first endotracheal tube connector (4) adapted to be connected to a first lumen of the double lumen endotracheal tube (1) and a second endotracheal tube connector (5) adapted therefor to a second one Lumen of the double lumen endotracheal tube, wherein the Y-connector (19) comprises a Y-shaped tube connector (20) having a main tube (21), a first branch tube (22) and a second branch tube (23), the main tube (21 ) is in fluid communication with the ventilation source connector (3), the first branch tube (22) via a first valve (24) to the first endotracheal tube and the second branch tube (23) is in fluid communication with the second endotracheal tube connector (5) via a second valve (25) and wherein the first and second valves (24, 25) each have first and second valves (24, 25) a second valve handle (26, 27) which is rotatable between an open valve position (28) and a closed valve position (29), characterized in that the valve handle (26, 27) of each valve (24, 25) with a Flow indicator (30, 31, 32, 33), which is adapted, in a general flow direction (F) of the flow between the valve (24, 25) and the corresponding branch tube (22, 23) of the Y- shaped tube connector (20) when the respective valve (24, 25) is in its open position (28).

Description

The present invention relates to a Y-connector for a dual-lumen endotracheal tube adapted to connect both lumens of a dual-lumen endotracheal tube to a single source of ventilation, the Y-connector comprising: a ventilation source connector adapted to be connected to a ventilation source , a first endotracheal tube connector adapted to be connected to a first lumen of the dual lumen endotracheal tube, and a second endotracheal tube connector adapted to be connected to a second lumen of the dual lumen endotracheal tube, the Y-connector being a Y-shaped Tube connection piece having a main tube, a first branch tube and a second branch tube, wherein the main tube is in fluid communication with the ventilation source connector, the first branch tube is in fluid communication with the first endotracheal tube connector via a first valve and the second branch tube is in fluid communication with the second endotracheal tube connector via a second valve and wherein the first and second valves each include first and second valve handles, respectively, that are rotatable between an open valve position and a closed valve position

The WO 2013/0081061 discloses a dual lumen endotracheal tube connected by a Y-connector to a single source of ventilation to ventilate the left and right bronchi of a patient. To selectively and individually ventilate the left and right main bronchi, the separately formed left and right tubes of the Y-connector can be individually clamped by means of clamps.

The CN201603230 U discloses a Y-connector adapted to connect both lumens of a dual lumen endotracheal tube to a single source of ventilation. The connection between the Y-connector and each of the respective lumens of the dual lumen endotracheal tube is provided by means of a corresponding plug valve adapted to open or close the connection by turning a handle. This makes it possible to selectively and individually ventilate the left and right main bronchi of a patient. However, it is of utmost importance, for example, during anesthesia, for each valve of this type of Y-connector to be in its correct position, ie usually either fully open or fully closed. In this known Y-connector, it may prove difficult to quickly determine the exact positions of the valves.

The present invention aims to provide a Y-connector which allows to more selectively and individually ventilate the left and right main bronchi of a patient in a more reliable manner.

In view of this objective, the valve handle of each valve is provided with a flow indicator adapted to extend in a general flow direction of the flow between the valve and the corresponding branch tube of the Y-shaped tube connector, when the corresponding valve in its open position.

In this way, each valve can be easily and quickly brought to its fully open position and the open or closed position of each valve can be easily and quickly determined in a precise manner.

In one embodiment, the flow indicator of the valve handle is in the form of a pointed flow indicator adapted to point in the general flow direction.

In one embodiment, the flow indicator of the valve handle is in the form of an extension of the valve handle. This allows the shape of the valve handle itself to indicate the exact position of the valve and thereby give a tactile feedback regarding the valve position.

In one embodiment, the flow indicator of the valve handle is in the form of an arrow disposed on the valve handle. As a result, a very intuitive indication of the valve position can be achieved independently of language.

In one embodiment, the flow indicator of the valve handle is in the form of a separate element inserted into a cavity of the valve handle. As a result, a robust flow indicator can be achieved, which better withstands sterilization. Moreover, the positioning of the flow indicator may be determined by manufacturing tolerances in the manufacture of the handle, for example by injection molding, rather than by, for example, a printing process, and thus the positioning of the flow indicator may be made more precise.

Preferably, the separate element is held in the cavity by means of a snap-type connection. This can simplify the composition of the Y-connector.

Preferably, the separate element is made in a material having a different color and / or opacity level than the one Valve handle itself. As a result, the visibility of the flow indicator can be improved.

In one embodiment, the first branch tube of the Y-shaped tube connector is in fluid communication with the first valve via an arrowed first tube member, the second branch tube of the Y-shaped tube connector is in fluid communication with the second valve via an arrowed second tube member , and the flow indicator of each valve handle is aligned with the arrow of the corresponding tube part when the corresponding valve is in the open position. As a result, the efficiency of the display of the valve positions can be further increased.

In one embodiment, the rotational angle of the first and second valve handles between the open position and the closed position of the respective valve is less than 360 degrees, preferably less than 200 degrees, and most preferably between 60 and 100 degrees. As a result, the indication of the valve positions provided by the flow indicators provided on the valve handles can be made even clearer, the operation of the valves can be simplified and consequently their reliability can be improved.

In one embodiment, the first and second valves are each provided with a first end stop for rotation of the valve handle to the open position of the valve and a second end stop for rotation of the valve handle to the closed position of the valve. As a result, the operation of the valves can be simplified even better and consequently their reliability can be further improved.

In one embodiment, each valve includes a valve housing connected to the corresponding endotracheal tube connector via a pivot connector portion rotatably mounted on the valve housing, and the pivotal connection between the valve housing and the pivot connector portion is provided with an O-ring which seals the connection , Thereby, the rotary joint between the valve housing and the pivot connector part can be improved.

The present invention further relates to a double lumen endotracheal tube having a Y-connector described above.

• 1 eine Perspektivansicht eines bekannten Doppellumenendotrachealtubus samt zugehörigem Y-Verbinder ist;
• 2 eine Perspektivansicht einer Ausführungsform eines Y-Verbinders für einen Doppellumenendotrachealtubus gemäß der vorliegenden Erfindung ist;
• 3 eine Draufsicht auf den Y-Verbinder des Doppellumenendotrachealtubus aus 2 ist;
• 4A und 4B Querschnittsansichten durch ein Ventil des Y-Verbinders des Doppellumenendotrachealtubus aus 2 und 3 sind, die eine offene bzw. eine geschlossene Ventil-stellung darstellen;
• 5A und 5B teilweise im Querschnitt dargestellte Draufsichten auf eine Ausführungsform des Ventils aus 4A und 4B sind, die eine offene bzw. eine geschlossene Ventil-stellung darstellen;
• 6 eine auseinandergezogene Perspektivansicht eines Ventils des Y-Verbinders des Doppellumenendotrachealtubus aus 2 und 3 ist; und
• 7 eine der Ansicht aus 6 entsprechende, auseinandergezogene Perspektivansicht einer anderen Ausführungsform des Ventils des Y-Verbinders des Doppellumenendotrachealtubus ist.

The invention will now be explained in more detail by way of examples of embodiments with reference to the very schematic drawing set, in which:

• 1 Figure 3 is a perspective view of a known dual lumen endotracheal tube and associated Y-connector;
• 2 Fig. 12 is a perspective view of one embodiment of a Y-connector for a dual lumen endotracheal tube according to the present invention;
• 3 a plan view of the Y-connector of the double lumen endotracheal tube 2 is;
• 4A and 4B Cross-sectional views through a valve of the Y-connector of the double lumen endotracheal tube 2 and 3 are, which represent an open or a closed valve position;
• 5A and 5B partially shown in cross-sectional plan views of an embodiment of the valve 4A and 4B are, which represent an open or a closed valve position;
• 6 an exploded perspective view of a valve of the Y-connector of the double lumen endotracheal tube 2 and 3 is; and
• 7 one of the view 6 corresponding exploded perspective view of another embodiment of the valve of the Y-connector of the double lumen endotracheal tube is.

In the following description, the same reference numerals will be used for corresponding elements of a prior art device as well as for various embodiments of the present invention.

1 shows a double lumen endotracheal tube 1 according to the prior art and an associated Y -Interconnects 2 According to the state of the art. The Y -Interconnects 2 has a ventilation source connector 3 adapted to be connected to a ventilation source, not shown, a first endotracheal tube connector 4 adapted for having a first lumen of the dual lumen endotracheal tube 1 and a second endotracheal tube connector 5 which is adapted to be connected to a second lumen of the dual lumen endotracheal tube. The double lumen endotracheal tube 1 has a first ventilation connector 6 adapted for the first endotracheal tube connector 4 to be connected, and via a second ventilation connector 7 adapted for the second endotracheal tube connector 5 to be connected. The first ventilation connector 6 is via a first connector tube 8th with the first lumen of the dual lumen endotracheal tube 1 at a proximal end 10 from connected to this. The second ventilation connector 7 is via a second connector tube 9 with the second lumen of the double lumen endotracheal tube 1 at the proximal end 10 connected.

At a distal end 11 of the double lumen endotracheal tube 1 the first lumen has a tracheal lumen opening 12 adapted to open into the tracheal lumen of a patient, and the second lumen has a bronchial lumen opening 13 placed in a separate extension and adapted to be inserted into the bronchial lumen. A first inflatable cuff 14 is just above the tracheal lumen opening 12 around the double lumen endotracheal tube 1 placed around and a second inflatable cuff 15 is just above the bronchial lumen opening 13 placed. The inflatable cuffs 14 . 15 can by means of manual inflators 16 . 17 be operated. In addition, provides a Injektstubusverbinder 18 an access point for a separate lumen, preferably for the administration of medicaments or for other purposes. The attachment and operation of the entire assembly including the double-lumen endotracheal tube 1 according to the prior art and the associated Y -Verbinders 2 The prior art is well known in the art.

2 and 3 illustrate an embodiment of a Y -Verbinders 19 a double lumen endotracheal tube according to the present invention. The Y -Interconnects 19 is, as explained above, adapted for both lumens of a dual lumen endotracheal tube 1 selectively and individually connect to a single, not shown ventilation source. The Y connector 19 has a ventilation source connector 3 adapted to be connected to the ventilation source, a first endotracheal tube connector 4 adapted for the first lumen of the double lumen endotracheal tube 1 and a second endotracheal tube connector 5 which is adapted to be connected to the second lumen of the dual lumen endotracheal tube.

In addition, the Y connector includes 19 a Y-shaped tube connector 20 with a main tube 21 , a first branch tube 22 and a second branch tube 23 , The main tube 21 stands with the ventilation source connector 3 in fluid communication, the first branch tube 22 is above a first valve 24 with the first endotracheal tube connector 4 in fluid communication and the second branch tube 23 is via a second valve 25 with the second endotracheal tube connector 5 in fluid communication and the first and second valves 24 . 25 each have a first and a second valve handle 26, 27, each between an open valve position 28 and a closed valve position 29 are rotatable.

The valve handle 26 . 27 of each valve 24 . 25 is with a pointed flow indicator 30 . 31 . 32 . 33 equipped, which is adapted in a general flow direction F the flow between the valve 24 . 25 and the corresponding branch tube 22 . 23 of the Y-shaped tube connector 20 to extend when the corresponding valve 24 . 25 in his open position 28 located. In the illustrated embodiment, the general flow direction is one F essentially straight from a tube connection 45 a valve housing 40 of the valve 24 . 25 (illustrated in 4A and 4B) to the corresponding branch tube 22 . 23 of the Y-shaped tube connecting piece 20 out. This is because the first and the second tube part 34 . 35 which the tube connections 45 of the valve housing 40 with the corresponding branch tubes 22 . 23 of the Y-shaped tube connector 20 connect, extend substantially along straight lines. In other embodiments, the first and second tube parts 34 . 35 however, be longer and curved and in such embodiments will be under the general flow direction F into which the pointed flow indicator 30 31 . 32 . 33 aligned according to their adaptation, those flow direction understood where the actual pointed flow indicator 30 . 31 . 32 . 33 ie, in the illustrated embodiments, the direction in which air passes through the tube connection 45 of the valve housing 40 to and from the valves 24 . 25 can flow.

In the illustrated embodiment, an extension forms 30 . 31 of the valve handle 26 . 27 even the pointed flow indicator and is the extension 30 . 31 , as can be seen, tapered. Moreover, in the illustrated embodiment, the arrows arranged on top of the valve handle form 32 . 33 also pointed flow indicator. It is therefore understood according to the present invention that pointed flow indicator in the form of an extension 30 . 31 of the valve handle 26 . 27 and / or in the form of an arrow attached to the top of the valve handle 32 . 33 can be provided. Of course, the arrows can also have other suitable shapes than those illustrated here, they can be held in any desired color and can be designed as full-surface characters or only the contour of the mark can be executed. The arrows can be printed, engraved, punched or displayed in any way on the handles. The arrows may also expediently point in the directions opposite the directions illustrated here. Basically, it could also be double arrows, in two opposite laws Directions. Namely, in the course of the ventilation process, the air flow actually goes in both directions through the valves 24 . 25 guided.

In addition, in the in the 2 and 3 illustrated embodiment, the first tube part 34 , which is the first branch tube 22 of the Y-shaped tube connector 20 with the first valve 24 connects, with an arrow 36 provided and is the second tube part 35 , which is the second branch tube 23 of the Y-shaped tube connector 20 with the second valve 25 connects, with an arrow 37 Provided. The pointed flow indicator 30 . 31 . 32 . 33 of each valve handle 26 . 27 is in the open position 28 the corresponding valve 24 . 25 with the arrow 36 . 37 of the corresponding tube part 34 . 35 aligned. In 2 and 3 is the first valve handle 26 in his open position 28 and the second valve handle 27 in its closed position 29 , In this embodiment is in the closed position 29 the pointed flow indicator 30 . 31 . 32 . 33 of each valve handle 26 . 27 in relation to the arrow 36 . 37 of the corresponding tube part 34 . 35 twisted by about 90 degrees, as in 5A and 5B is illustrated in more detail.

As in the embodiment of 5A and 5B Illustrated are the first and the second valve 24 . 25 preferably each with a first end stop 38 for the rotation of the valve handle 26 . 27 in the open position 28 of the valve 24 . 25 and with a second end stop 39 for the rotation of the valve handle 26 . 27 in the closed position 29 equipped of the valve. Of course, the end stops can have any suitable configuration.

Preferably, the angle of rotation is A the first and second valve handle 26 . 27 between the open position 28 and the closed position 29 the respective valve less than 360 degrees, preferably less than 200 degrees, and most preferably between 60 and 100 degrees.

As in particular in 4 and 6 illustrates, each valve has 24 . 25 a valve housing 40 on, which via a swivel connector part 41 rotatably mounted on the valve housing with the corresponding endotracheal tube connector 4 . 5 is connected and is the rotary connection between the valve housing 40 and the pivoting connector part 41 with an O-ring 42 provided, which seals the connection.

As in 4A and 4B It can be seen in the valves 24 . 25 conveniently around plug valves with a valve plug 43 act, being in the open position 28 of the valve a through hole 44 with the tube connection 45 is aligned. 4A illustrates the open position 28 and 4B illustrates the closed position 29 , The valve plug 43 is rotatable about a central axis which coincides with a central axis of the ventilation source connector 4 . 5 of Y -Verbinders 19 , that is, in the in 6 illustrated embodiment, with a central axis of the pivot connector part 41 , is aligned. As in 2 and 3 seen, is the top of the valve body 40 with a top cap 47 equipped with the valve, preferably on the top of the handle 26 . 27 is arranged.

7 illustrates another embodiment of the valve handle 26 . 27 of the Y-connector 19 of the double lumen endotracheal tube. According to this embodiment, the flow indicator 30 . 31 . 32 . 33 of the valve handle 26 . 27 the shape of a cavity 50 of the valve handle 26 . 27 inserted, separate element 48 on. In the illustrated embodiment, the separate element becomes 48 by means of a snap closure connection in the form of two elastic legs 49 in the cavity 50 each of which has a gripper adapted therefor below a corresponding projection, not shown, in the cavity 50 to engage. Preferably, the surface of the separate element runs 48 flush with the surface of the valve handle when the separate element 48 in the cavity 50 is mounted. The valve handle 26 . 27 and the separate element 48 may suitably be made equally by injection molding and are preferably made of plastic.

LIST OF REFERENCE NUMBERS

A

Angle of rotation of the valve handle between the open and the closed position

F

general flow direction between valve and branch tube

1

Doppellumenendotrachealtubus

2

Y Connector according to the prior art

3

Ventilation source connector of Y -Verbinders

4

first endotracheal tube connector of the Y -Verbinders

5

second endotracheal tube connector of the Y -Verbinders

6

first ventilation connector of the double lumen endotracheal tube

7

second ventilation connector of the double lumen endotracheal tube

8th

first connector tube of the double lumen endotracheal tube

9

second connector tube of the dual lumen endotracheal tube

10

proximal end of the double lumen endotracheal tube

11

distal end of the double lumen endotracheal tube

12

Tracheal lumen opening of the first lumen

13

bronchial lumen opening of the second lumen

14

first inflatable cuff

15

second inflatable cuff

16, 17

manual inflator

18

Injektionstubusverbinder

19

Y-connector according to the invention for double-lumen endotracheal tube

20

Y-shaped tube connector

21

Main tube of the Y-shaped tube connector

22

first branch tube of the Y-shaped tube connector

23

second branch tube of the Y-shaped tube connector

24

first valve

25

second valve

26

first valve handle

27

second valve handle

28

open valve position

29

closed valve position

30

Extension of the first valve handle

31

Extension of the second valve handle

32

first arrow on the first valve handle

33

second arrow on the second valve handle

34

first tube part

35

second tube part

36

first arrow on the first tube part

37

second arrow on the second tube part

38

first valve end stop

39

second valve end stop

40

valve housing

41

Swivel connector part

42

O-ring

43

valve plug

44

Valve plug through hole

45

Valve housing Tubusverbindung

46

upper opening of the valve body

47

Valve insert cap

48

separate element for forming the valve handle flow indicator

49

elastic leg of the separate element for forming the flow indicator

50

Cavity in the valve handle

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• WO 2013/0081061 [0002]
• CN 201603230 U [0003]

Claims (10)

Y-connector (19) for a dual-lumen endotracheal tube adapted to connect both lumens of a dual-lumen endotracheal tube (1) to a single source of ventilation, the Y-connector (19) comprising: a ventilation source connector (3) adapted thereto is to be connected to a ventilation source, a first endotracheal tube connector (4) adapted to be connected to a first lumen of the double lumen endotracheal tube (1) and a second endotracheal tube connector (5) adapted therefor to a second one Lumen of the double lumen endotracheal tube, wherein the Y-connector (19) comprises a Y-shaped tube connector (20) having a main tube (21), a first branch tube (22) and a second branch tube (23), the main tube (21 ) is in fluid communication with the ventilation source connector (3), the first branch tube (22) via a first valve (24) to the first endotracheal tube and the second branch tube (23) is in fluid communication with the second endotracheal tube connector (5) via a second valve (25) and wherein the first and second valves (24, 25) each have first and second valves (24, 25) a second valve handle (26, 27) which is rotatable between an open valve position (28) and a closed valve position (29), characterized in that the valve handle (26, 27) of each valve (24, 25) with a Flow indicator (30, 31, 32, 33), which is adapted, in a general flow direction (F) of the flow between the valve (24, 25) and the corresponding branch tube (22, 23) of the Y- shaped tube connector (20) when the respective valve (24, 25) is in its open position (28). Y-connector for double lumen endotracheal tube after Claim 1 wherein the flow indicator (30, 31, 32, 33) of the valve handle (26, 27) is in the form of a pointed flow indicator (30, 31, 32, 33) adapted to point in the general flow direction (F) , Y-connector for double lumen endotracheal tube after Claim 1 or 2 wherein the flow indicator (30, 31, 32, 33) of the valve handle (26, 27) is in the form of an extension of the valve handle (30, 31). A Y-connector for a dual-lumen endotracheal tube according to any preceding claim, wherein the flow indicator (30, 31, 32, 33) of the valve handle (26, 27) is in the form of an arrow (32, 33) disposed on the valve handle. A Y-connector for a dual-lumen endotracheal tube according to any one of the preceding claims, wherein the flow indicator (30, 31, 32, 33) of the valve handle (26, 27) is in the form of a separate member inserted into the cavity (50) of the valve handle (26, 27) (48) and wherein the separate element (48) is preferably retained in the cavity (50) by means of a snap-fit type connection. The Y-connector for dual lumen endotracheal tube of any one of the preceding claims, wherein the first branch tube (22) of the Y-shaped tube connector (20) is in fluid communication with the first valve (24) via a first tube member (34) provided with an arrow (36) said second branch tube (23) of said Y-shaped tube fitting is in fluid communication with said second valve (25) via a second tube member (35) provided with an arrow (37), and wherein said flow indicator (30, 31, 32, 33) of each valve handle (26, 27) is aligned with the arrow (36, 37) of the corresponding tube part (34, 35) when the corresponding valve (24, 25) is in the open position (28). A Y-connector for dual lumen endotracheal tube according to any one of the preceding claims, wherein the angle of rotation (A) of the first and second valve handles (26, 27) between the open position (28) and the closed position (29) of the respective valve is less than 360 degrees, preferably less than 200 degrees, and most preferably between 60 and 100 degrees. A dual lumen endotracheal tube connector according to any preceding claim, wherein the first and second valves (24, 25) each include a first end stop (38) for rotating the valve handle (26, 27) to the open position (28) of the valve (24, 25) and with a second end stop (39) for the rotation of the valve handle (26, 27) in the closed position (29) of the valve are equipped. A dual-lumen endotracheal tube Y-connector according to any one of the preceding claims, wherein each valve (24, 25) comprises a valve housing (40) connected to the corresponding endotracheal tube connector (4) via a pivot connector (41) rotatably mounted on the valve housing 5), and wherein the rotary connection between the valve housing (40) and the pivot connector part (41) is provided with an O-ring (42) which seals the connection. Double lumen endotracheal tube with a Y-connector according to one of the preceding claims.

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