CN219307639U - Double-lung tracheal catheter - Google Patents

Abstract

The utility model discloses a double-lung tracheal catheter which comprises a head section and an insertion section, wherein the head section comprises a main pipe and two branch pipes communicated with the main pipe, valves are respectively arranged on the two branch pipes, the insertion section comprises two catheters which are in one-to-one correspondence with the branch pipes, and the catheters are connected with the branch pipes through a quick-release sealing mechanism; according to the utility model, the valves are respectively arranged on the branch pipes of the head section, when the connection between the branch pipe and the catheter of the insertion pipe needs to be disconnected, the branch pipe is closed through the valves, so that the leakage of gas is avoided, and the trouble of clamping the hemostatic forceps is avoided; in addition, the branch pipes and the guide pipes are connected through the quick-dismantling airtight mechanism, so that the disassembly and assembly between the branch pipes and the guide pipes are simpler and more labor-saving, the in-process insertion section can be stably maintained in situ, shaking and displacement are not easy to occur, and the safe operation is facilitated.

Description

Double-lung tracheal catheter

Technical Field

The utility model relates to the field of tracheal tubes, in particular to a double-lung tracheal tube.

Background

The double-lung tracheal catheter is also called a double-cavity tracheal catheter or a double-cavity tracheal cannula, and has the functions of mainly introducing gas to the lungs at two sides, wherein the gas comprises oxygen and anesthetic gas; the ventilation opening and closing of the two sides of the double-lung tracheal catheter are mutually independent, so that ventilation and suction of the two sides of the lung can be realized respectively, and the affected side lung secretion or purulent blood is effectively prevented from polluting the affected side lung, and the double-lung tracheal catheter is suitable for lung lavage, lung abscess operation and the like;

the prior double-lung tracheal catheter comprises a head section and an insertion section, two interfaces are arranged between the head section and the insertion section and correspond to two pipelines respectively, the two interfaces can be disconnected, according to the operation practice, when the intubation operation such as sputum aspiration is carried out in the operation, one of the interfaces is required to be disconnected so as to facilitate the sputum aspiration tube to enter the insertion section from the interface, but the gas is still introduced into the head section, if the anesthetic gas is not processed, the anesthetic gas leaks out through the disconnected interface of the head section so as to pollute the environment of an operating room, so that an operator usually clamps the disconnected head section interface through hemostatic forceps and the like, the operation is inconvenient, the hemostatic forceps clamped and hung on the head section can influence the subsequent sputum aspiration operation, the hemostatic forceps clamping can occasionally generate the condition of clamping and is not tight, and a certain gas pollution hidden trouble exists; in addition, the interface between the head section and the insertion section is in interference insertion connection, the connection is relatively tight, the insertion and extraction pipeline on the operation site is laborious and easy to shake the insertion section, and mechanical damage of the trachea of a patient can be caused when serious, so that the safety of the operation is not facilitated.

Disclosure of Invention

Aiming at the problems in the background technology, the utility model aims to provide a double-lung tracheal catheter which effectively solves the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the double-lung tracheal catheter comprises a head section and an insertion section, wherein the head section comprises a main pipe and two branch pipes communicated with the main pipe, valves are respectively arranged on the two branch pipes, the insertion section comprises two catheters which are in one-to-one correspondence with the branch pipes, and the catheters are connected with the branch pipes through quick-dismantling sealing mechanisms; the quick-dismantling airtight mechanism comprises an upper flange plate, a lower flange plate, a foundation seat, a left half ring and a right half ring, wherein the upper flange plate is integrally arranged at the end part of a branch pipe, the lower flange plate is integrally arranged at the end part of a guide pipe, the foundation seat is fixedly arranged on the guide pipe, one end of the left half ring and one end of the right half ring are respectively hinged on the foundation seat and are symmetrically distributed, and a locking device is matched between the other end of the left half ring and the other end of the right half ring; the upper flange plate and the lower flange plate are respectively provided with annular sloping surfaces, and a plurality of balls matched with the annular sloping surfaces are uniformly arranged in the left half ring and the right half ring along the circumferential direction respectively.

Further, the locking device comprises a lapping rod hinged to the left half ring and a lapping plate fixedly arranged on the right half ring, the lapping rod is in threaded connection with a lapping plate abutting nut, and the lapping plate is provided with a slit matched with the lapping rod.

Further, a sealing ring is further arranged between the upper flange plate and the lower flange plate.

Furthermore, the outer side of the insertion section is provided with scale marks, and the initial scale marks of the scale marks are close to the bifurcation of the two guide pipes at the lower side of the insertion section.

Further, the scale marks are light-reflecting scale marks.

The utility model has the following beneficial technical effects:

according to the utility model, the valves are respectively arranged on the branch pipes of the head section, when the connection between the branch pipe and the catheter of the insertion pipe needs to be disconnected, the branch pipe is closed through the valves, so that the leakage of gas is avoided, and the trouble of clamping the hemostatic forceps is avoided; in addition, the branch pipes and the guide pipes are connected through the quick-dismantling airtight mechanism, so that the disassembly and assembly between the branch pipes and the guide pipes are simpler and more labor-saving, the in-process insertion section can be stably maintained in situ, shaking and displacement are not easy to occur, and the safe operation is facilitated.

Drawings

FIG. 1 is a front view of a head segment according to an embodiment of the present utility model;

FIG. 2 is a front view of an insert section of an embodiment of the present utility model with the left and right half rings removed;

FIG. 3 is a front view of an assembled structure of a branch pipe and a conduit according to an embodiment of the present utility model;

fig. 4 is a right side view of the assembly structure of the branch pipe and the guide pipe with the right half ring removed in the embodiment of the utility model.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as directions or positional relationships based on the directions or positional relationships shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model. In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-4, the double-lung tracheal catheter according to the embodiment includes a head section 1 and an insertion section 2, the head section 1 includes a main pipe 3 and two branch pipes 4 communicated with the main pipe 3, the two branch pipes 4 are respectively provided with a valve 5, the insertion section 2 includes two catheters 6 corresponding to the branch pipes 4 one by one, the two catheters 6 are long and short and are branched at the lower side of the insertion section 2, one branch pipe 4 and one catheter 6 form a ventilation pipeline, the double-lung tracheal catheter has two ventilation pipelines, and the two ventilation pipelines respectively correspond to two lungs; the conduit 6 is connected with the branch pipe 4 through a quick-dismantling airtight mechanism;

the quick-dismantling airtight mechanism comprises an upper flange 7, a lower flange 8, a foundation base 9, a left half ring 10 and a right half ring 11, wherein the upper flange 7 is integrally arranged at the end part of a branch pipe 4, the lower flange 8 is integrally arranged at the end part of a guide pipe 6, the foundation base 9 is fixedly arranged on the guide pipe 6, one end of the left half ring 10 and one end of the right half ring 11 are respectively hinged on the foundation base 9, the left half ring 10 and the right half ring 11 are symmetrically distributed, a locking device is cooperatively arranged between the other end of the left half ring 10 and the other end of the right half ring 11, the locking device comprises a lapping rod 12 hinged on the left half ring 10 and a lapping plate 13 fixedly arranged on the right half ring 11, a lapping plate abutting nut 14 is screwed on the lapping plate 12, a slit matched with the lapping rod 12 is arranged on the lapping plate 13, when the left half ring 10 and the right half ring 11 are locked, the lapping rod 12 is clamped into the slit on the lapping plate 13, and then the lapping plate abutting nut 14 is screwed;

the upper flange 7 and the lower flange 8 are respectively provided with an annular slope 15, a plurality of balls 16 matched with the annular slope 15 are uniformly arranged in the left half ring 10 and the right half ring 11 along the circumferential direction, the balls 16 in the left half ring 10 and the right half ring 11 comprise an upper row and a lower row, when the left half ring 10 and the right half ring 11 are closed and tightly adhered, the balls 16 in the left half ring 10 and the right half ring 11 are abutted against the annular slope 15 on the upper flange 7 and the lower flange 8, so that the branch pipe 4 and the guide pipe 6 are tightly butted, a sealing ring 17 is further arranged between the upper flange 7 and the lower flange 8, and the connection tightness between the branch pipe 4 and the guide pipe 6 is further enhanced.

The middle of the front surface of the insertion section 2 is provided with a scale mark, the whole scale range is 0-31cm, wherein the scale mark 0 is close to the bifurcation of the two guide pipes 6 at the lower side of the insertion section 2, so that the observation of an operator is facilitated, and in operation practice, the depth of the insertion tube can be accurately judged through the relative position of the scale mark and the glottis of a patient; the scale marks are reflective scale marks, so that an operator can more clearly see the scale marks under the irradiation of a laryngoscope light source.

The working principle of the embodiment is as follows:

the insertion section 2 is inserted into the trachea of a patient, the upper ends of the head section 1 and the guide pipe 6 are positioned outside the mouth and the nose of the patient, when sputum suction intubation is needed, the corresponding valve 5 on the branch pipe 4 is closed, the left half ring 10 and the right half ring 11 are separated, the branch pipe 4 and the guide pipe 6 are dislocated and removed, the sputum suction pipe is inserted into the guide pipe 6, after the sputum suction operation is finished, the sputum suction pipe is extracted, the branch pipe 4 and the guide pipe 6 are aligned again, the left half ring 10 and the right half ring 11 are closed and locked through the locking device, and the opening and the closing of the valve 5 on the branch pipe 4 are adjusted according to the needs;

compared with the prior art, the valve 5 is respectively arranged on the branch pipe 4 in the embodiment, so that the trouble of clamping the hemostatic forceps is avoided; in addition, the branch pipe 4 and the guide pipe 6 are connected through the quick-release sealing mechanism, so that the branch pipe 4 and the guide pipe 6 are easy and labor-saving to assemble and disassemble, the in-process insertion section 2 can be stably maintained in situ, shaking and displacement are not easy to generate, and the safe operation is facilitated.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (5)

1. The double-lung tracheal catheter is characterized by comprising a head section and an insertion section, wherein the head section comprises a main pipe and two branch pipes communicated with the main pipe, valves are respectively arranged on the two branch pipes, the insertion section comprises two catheters which are in one-to-one correspondence with the branch pipes, and the catheters are connected with the branch pipes through a quick-dismantling sealing mechanism; the quick-dismantling airtight mechanism comprises an upper flange plate, a lower flange plate, a foundation seat, a left half ring and a right half ring, wherein the upper flange plate is integrally arranged at the end part of a branch pipe, the lower flange plate is integrally arranged at the end part of a guide pipe, the foundation seat is fixedly arranged on the guide pipe, one end of the left half ring and one end of the right half ring are respectively hinged on the foundation seat and are symmetrically distributed, and a locking device is matched between the other end of the left half ring and the other end of the right half ring; the upper flange plate and the lower flange plate are respectively provided with annular sloping surfaces, and a plurality of balls matched with the annular sloping surfaces are uniformly arranged in the left half ring and the right half ring along the circumferential direction respectively.

2. The double-lung tracheal catheter of claim 1 wherein the locking device comprises a strap hinged to the left half ring and a strap fixedly arranged on the right half ring, wherein a strap tightening nut is screwed on the strap, and a slit matched with the strap is formed in the strap.

3. The double lung endotracheal tube of claim 1, wherein a sealing ring is further provided between the upper flange and the lower flange.

4. A double lung endotracheal tube according to any of claims 1-3, wherein graduations are provided on the outside of the insertion section, the starting graduations of the graduations being located near the bifurcation of the two tubes on the underside of the insertion section.

5. The double lung endotracheal tube of claim 4 wherein the graduations are light reflective graduations.

Images