CN216934363U - Trachea cannula connecting device - Google Patents

Abstract

The utility model provides a trachea cannula connecting device, which comprises: a fitting having an inlet end and an outlet end, the inlet end adapted to connect to a gas source; one end of the connecting pipe is connected with the air outlet end of the joint; the sealing ring is fixedly connected with the end part of the air pipe and is matched with the connecting pipe; the expansion piece is provided with a stepped hole structure, one end of the connecting pipe, far away from the joint, penetrates through the sealing ring and is connected in a socket joint mode in a large hole in the stepped hole structure, the expansion piece is arranged in the air pipe, and the expansion piece is stressed to expand and deform in the circumferential direction of the expansion piece after being inserted into the connecting pipe. The utility model provides a trachea cannula connecting device, wherein an expansion piece is arranged in a trachea, and when a connecting pipe is in socket joint connection with the expansion piece, the expansion piece is stressed to expand and deform and drives the trachea to deform along with the expansion piece, so that the connection stability of the trachea cannula is improved.

Description

Trachea cannula connecting device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a trachea cannula connecting device.

Background

During the anesthesia induction and the maintenance of anesthesia by inhalation of anesthetic, patients who are difficult to ventilate by using a mask or have aspiration risks or occupy an airway in an operation and cannot adopt the mask or a laryngeal mask should be subjected to tracheal intubation. Nasal intubation is required if a patient with restricted stoma is encountered, if the endotracheal tube must be retained by means of oral intubation, or because of the long operation time. The central oxygen supply system is mostly built in hospitals, and the oxygen supply system is connected through the oxygen inhalator, so that the purpose of supplying oxygen to patients can be realized.

However, in the connection of the existing trachea cannula and the oxygen inhalator, an air outlet interface is reserved on the oxygen inhalator, and the connection of the trachea cannula can be completed by inserting the air outlet interface into an air outlet rubber tube. This structure may cause connection instability during actual use. Therefore, a connecting device for improving the stability of the connection of the tracheal cannula is needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a trachea cannula connecting device, wherein an expansion piece is arranged in a trachea, and when a connecting pipe is in socket joint connection with the expansion piece, the expansion piece is stressed to expand and deform and drives the trachea to deform along with the expansion piece, so that the connection stability of the trachea cannula is improved.

In order to solve the above problems, the present invention provides a tracheal intubation connection device, including: a fitting having an inlet end and an outlet end, the inlet end adapted to connect to a gas source; one end of the connecting pipe is connected with the air outlet end of the joint; the sealing ring is fixedly connected with the end part of the air pipe and is matched with the connecting pipe; the expansion piece is provided with a stepped hole structure, one end of the connecting pipe, far away from the joint, penetrates through the sealing ring and is connected in a socket joint mode in a large hole in the stepped hole structure, the expansion piece is arranged in the air pipe, and the expansion piece is stressed to expand and deform in the circumferential direction of the expansion piece after being inserted into the connecting pipe.

After the structure is adopted, one end of the trachea is suitable for extending into a human body as an intubation tube, the expansion piece is arranged in the other end of the trachea, the trachea is extended into the trachea through the connecting pipe and is connected with the expansion piece in a socket joint mode, the expansion piece is expanded and deformed under stress, the trachea is driven to deform along with the expansion piece, and therefore the connection stability of the trachea intubation tube is improved. The other end of the connecting pipe is connected with a connector which is used for externally connecting a gas source, such as an external oxygen inhalator.

Optionally, the expansion member comprises a first connecting ring and a plurality of expansion blocks, the plurality of expansion blocks being assembled into the tubular structure by the first connecting ring.

Optionally, a first connection hole is formed in the expansion block, and the first connection ring is connected in series with the expansion blocks through the first connection hole to assemble the tubular structure.

Optionally, the expansion piece further comprises a second connecting ring, a second connecting hole is formed in the expansion block, and the second connecting ring is connected with the expansion blocks in series through the second connecting hole.

Optionally, the bottom edge of the expansion block extends to one side to form a bevel edge, the bottom surface of the bevel edge is provided with a first profile structure, and the upper surface of the bevel edge is provided with a second profile structure matched with the first profile structure; due to the arrangement of the bevel edge, after the expansion piece is expanded and deformed, gaps among the expansion blocks are small, and the integrity of the expansion piece is improved.

Optionally, the large pores are tapered pores.

Optionally, still include the clamp, the clamp cup joints the periphery of connecting pipe, be suitable for fixedly the connecting pipe with give vent to anger the connection between the end.

Drawings

FIG. 1 is a schematic view of an endotracheal intubation coupling device according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of an endotracheal tube coupling device in an embodiment of the present invention;

FIG. 3 is an exploded view of an endotracheal tube coupling device in an embodiment of the present invention;

FIG. 4 is a perspective view of an endotracheal tube coupling device in an embodiment of the present invention;

FIG. 5 is a half-sectional view of an endotracheal tube coupling device in an embodiment of the present invention;

FIG. 6 is a schematic view of the structure of an expansion member in an embodiment of the present invention;

FIG. 7 is a half sectional view of an expansion member in an embodiment of the utility model;

FIG. 8 is an exploded view of a plurality of expansion blocks in an expansion member in an embodiment of the present invention;

fig. 9 is a perspective view of an expansion block in an embodiment of the present invention.

Description of reference numerals:

1. an air pipe; 2. a joint; 3. a connecting pipe; 4. clamping a hoop; 5. a seal ring; 6. an expansion member;

21. an air inlet end; 22. an air outlet end; 23. fastening a handle;

61. an expansion block; 62. macropores; 63. a first connecting ring; 64. a second connection ring;

611. a first connection hole; 612. a bevel edge; 613. a first profile structure; 614. a second connection hole; 615. a second profile structure.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model. In addition, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature for distinguishing between descriptive features, non-sequential, and non-trivial.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

Referring to fig. 1, the present embodiment provides an endotracheal intubation connection device, including: a connector 2, wherein the connector 2 is provided with an air inlet end 21 and an air outlet end 22, and the air inlet end 21 is suitable for being connected with an air source; one end of the connecting pipe 3 is connected with the air outlet end 22 of the joint 2; the sealing ring 5 is fixedly connected with the end part of the air pipe 1, and the sealing ring 5 is matched with the connecting pipe 3; the expansion part 6 is provided with a stepped hole structure, one end of the connecting pipe 3, which is far away from the joint 2, penetrates through the sealing ring 5 and is connected in a socket manner into a large hole 62 in the stepped hole structure, the expansion part 6 is arranged in the air pipe 1, and the expansion part 6 is stressed to expand and deform towards the circumferential direction of the expansion part 6 after being inserted into the connecting pipe 3.

Further, as shown in fig. 2, the joint 2 has a stepped hole structure therein, the front end of the joint 2 is an air inlet end 21, an air outlet end 22 of the joint 2 is formed by extending backwards, and the outer diameter of the air outlet end 22 is adapted to the inner diameter of the connecting pipe 3.

Furthermore, the periphery of the air outlet end 22 of the connector 2 is provided with anti-slip lines, and the inner wall of the connecting pipe 3 is provided with a line structure matched with the anti-slip lines.

Further, in the present embodiment, the joint 2 employs a fastening structure having a handle. As shown in fig. 2 and 3, two fastening handles 23 are symmetrically hinged to the air inlet end 21 of the joint 2, and the fastening handles 23 have cam profiles. Referring to fig. 4, when the air inlet 21 of the connector 2 is externally connected with an air source, the periphery of the socket part of the air source is provided with an annular groove, and when the fastening handle 23 is rotated, the convex part on the cam profile is matched with the annular groove to achieve the effect of fixing the connector 2. When the tightening handle 23 is rotated in the opposite direction, the cam profile lug moves out of the annular groove, so that the effect of the break-away joint 2 is achieved.

Furthermore, one end of the trachea 1 is used as an insertion tube and is suitable for extending into a human body, the other end of the trachea 1 is internally provided with an expansion piece 6, the expansion piece 6 extends into the trachea 1 through the connecting pipe 3 and is connected with the expansion piece 6 in a socket joint mode, and the expansion piece 6 is stressed to expand and deform and drives the trachea 1 to deform along with the expansion piece.

Further, the expansion member 6 has a contour structure of a ring-shaped groove at the outer circumference thereof so that the expansion member 6 is fixed from the outside of the trachea 1 to prevent slippage thereof after the expansion member 6 is inserted into the trachea 1, so that the expansion member 6 is coupled to the connection tube 3.

Further, as shown in fig. 5, the sealing ring 5 has an annular connecting groove adapted to the end of the gas pipe 1, and after the end of the gas pipe 1 is inserted into the annular connecting groove, the sealing ring 5 and the gas pipe 1 are integrally connected by ultrasonic welding.

Furthermore, the sealing ring 5 is made of rubber, and the sealing ring 5 and the connecting pipe 3 can slide relative to each other, so that the connecting pipe 3 can be inserted into the expansion piece 6. Or the sealing ring 5 is convenient to slide, so that the annular connecting groove on the sealing ring 5 is connected with the air pipe 1.

Specifically, as shown in fig. 2, the endotracheal intubation connection device further includes an annular clamp 4, where the clamp 4 is sleeved on the periphery of the connection tube 3 and is adapted to fix the connection between the connection tube 3 and the air outlet end 22.

Specifically, as shown in fig. 6, the expansion member 6 includes a first connecting ring 63 and a plurality of expansion blocks 61, and the plurality of expansion blocks 61 are connected and assembled into a tubular structure through the first connecting ring 63.

Further, in the present embodiment, twenty expansion blocks 61 are arranged in a ring shape and assembled into a tubular structure. The stepped bore structure on the expansion element 6 is located on the inner wall of the tubular structure.

Specifically, a first connection hole 611 is formed in the expansion block 61, and the first connection ring 63 is assembled by connecting a plurality of expansion blocks 61 in series through the first connection holes 611.

Specifically, the large holes 62 are tapered holes.

Further, the stepped hole structure is divided into a large hole 62 and a small hole, and the bottom of the large hole 62 is an annular stepped surface. The large hole 62 is provided as a tapered hole to facilitate the insertion and positioning of the connection tube 3 until the end of the connection tube 3 abuts against the annular stepped surface.

Specifically, the expansion member 6 further comprises a second connecting ring 64, the expansion block 61 is provided with a second connecting hole 614, and the second connecting ring 64 connects a plurality of expansion blocks 61 in series through the second connecting hole 614.

Further, as shown in fig. 7 and 9 in conjunction, in the present embodiment, the first connection hole 611 is located between the inner wall of the large hole 62 and the outer surface of the expansion member 6. The second connecting hole 614 is located between the inner wall of the small hole and the outer circumferential surface of the expansion member 6. The primary and secondary connecting rings 63, 64 are made of rubber and are capable of deforming in response to the impact of the expansion element 6.

Specifically, as shown in fig. 8 and 9, the bottom edge of the expansion block 61 extends to one side to form a bevel edge 612, the bottom surface of the bevel edge 612 has a first profile structure 613, and the upper surface of the bevel edge 612 has a second profile structure 615 which is matched with the first profile structure 613.

Further, in the present embodiment, the inclined edge 612 is provided, so that after the expansion piece 6 is expanded and deformed, the gap between the expansion blocks 61 is small, and the integrity of the expansion piece 6 is improved.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.

Claims (7)

1. An endotracheal intubation connection device, comprising:

a fitting (2), the fitting (2) having an inlet end (21) and an outlet end (22), the inlet end (21) being adapted to be connected to a gas source;

one end of the connecting pipe (3) is connected with the air outlet end (22) of the joint (2);

the sealing ring (5) is fixedly connected with the end part of the air pipe (1), and the sealing ring (5) is matched with the connecting pipe (3);

the expansion piece (6) is provided with a stepped hole structure, one end, far away from the joint (2), of the connecting pipe (3) penetrates through the sealing ring (5) to be connected into a large hole (62) in the stepped hole structure in a socket-and-spigot mode, the expansion piece (6) is placed into the air pipe (1), and after the expansion piece (6) is inserted into the connecting pipe (3), the expansion piece is stressed to expand and deform in the circumferential direction of the expansion piece (6).

2. The endotracheal intubation connection device according to claim 1, wherein: the expansion piece (6) comprises a first connecting ring (63) and a plurality of expansion blocks (61), and the expansion blocks (61) are connected and assembled into a tubular structure through the first connecting ring (63).

3. The endotracheal intubation connection device according to claim 2, wherein: the expansion block (61) is provided with a first connecting hole (611), and the first connecting ring (63) is connected with the expansion block (61) in series through the first connecting hole (611) to realize the assembly of the tubular structure.

4. An endotracheal intubation connection device according to claim 3, wherein: the expansion piece (6) further comprises a second connecting ring (64), a second connecting hole (614) is formed in the expansion block (61), and the second connecting ring (64) is connected with the expansion blocks (61) in series through the second connecting hole (614).

5. The endotracheal intubation connection device according to claim 4, wherein: the bottom edge of the expansion block (61) extends to one side to form a bevel edge (612), the bottom surface of the bevel edge (612) is provided with a first profile structure (613), and the upper surface of the bevel edge (612) is provided with a second profile structure (615) matched with the first profile structure (613).

6. The endotracheal intubation connection device according to claim 1, wherein: the large hole (62) is a tapered hole.

7. An endotracheal tube coupling device according to any one of claims 1 to 6, characterized in that: still include clamp (4), clamp (4) cup joint the periphery of connecting pipe (3), be suitable for fixedly connecting pipe (3) with give vent to anger the connection between end (22).

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