CN215841053U

CN215841053U - Double-cuff washable tracheotomy cannula

Info

Publication number: CN215841053U
Application number: CN202122384641.XU
Authority: CN
Inventors: 岳伟岗; 蒋由飞; 袁鹏; 尹瑞元; 冯鑫
Original assignee: First Hospital of Lanzhou University
Current assignee: First Hospital of Lanzhou University
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-18
Anticipated expiration: 2031-09-29

Abstract

A double-cuff flushable tracheotomy tube, which effectively solves the problem that the annular air sac is inconvenient to inflate; the device comprises an inverted L-shaped guide pipe, two annular air bags uniformly distributed along the vertical direction are coaxially arranged on the lower side of the guide pipe, connecting pipes are arranged on the inner sides of the annular air bags, the free ends of the two connecting pipes penetrate through the guide pipe and are provided with a rectangular block, a rectangular groove is formed in the rectangular block, upper and lower axial auxiliary grooves with T-shaped axial sections are respectively formed in the upper and lower side walls of the rectangular groove, the free ends of the connecting pipes are communicated with the auxiliary grooves on the corresponding sides of the connecting pipes, blocking rods with cross-shaped axial sections are coaxially and slidably connected in the auxiliary grooves, a parallelogram push plate is slidably connected between the two blocking rods in the rectangular groove, the upper and lower sides of the push plate are respectively contacted with the blocking rods on the corresponding sides of the push plate, left and right axial air guide cylinders with T-shaped axial sections are slidably connected in the rectangular block, and the right ends of the air guide cylinders can extend into the rectangular groove and are communicated with the rectangular groove through air guide holes; the utility model has the advantages of ingenious structure and convenient use.

Description

Double-cuff washable tracheotomy cannula

Technical Field

The utility model relates to the technical field of auxiliary instruments in the department of respiration, in particular to a double-cuff flushable tracheotomy tube.

Background

In clinic, tracheotomy can prevent or relieve airway obstruction of patients with respiratory reflex disorder and poor cough mechanism caused by various reasons. Need put into the trachea and open the sleeve pipe during tracheotomy, because it is long to take the pipe time, the long-time oppression trachea wall mucous membrane of single gasbag on the current sleeve pipe, lead to pipe wall mucous membrane ischemia oxygen deficiency easily, tracheal fistula even, the secretion clearance of detention on the gasbag is untimely simultaneously, anti-inflow air flue even, lead to lung to infect easily, increase patient's time of being in hospital, and present incision sleeve pipe all is that two independent pipelines of two gasbag connections are aerifyd, when aerifing and exhausting the gasbag, need pull out aerating device repeatedly and insert and just can aerify, not only inconvenient aerify the gasbag in turn, medical personnel's work burden has also been increased.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model aims to provide a double-cuff flushable tracheotomy tube, which effectively solves the problem that an annular air bag is inconvenient to inflate.

The utility model comprises an inverted L-shaped guide tube, two annular air bags uniformly distributed along the vertical direction are coaxially arranged on the lower side of the guide tube, a connecting tube is arranged on the inner side of each annular air bag, the free ends of the two connecting tubes penetrate through the guide tube and are provided with a rectangular block, a rectangular groove is formed in the rectangular block, upper and lower axial auxiliary grooves with T-shaped axial sections are respectively formed in the upper and lower side walls of the rectangular groove, the free end of the connecting tube is communicated with the auxiliary grooves on the corresponding side of the connecting tube, a blocking rod with a cross-shaped axial section is coaxially and slidably connected in the auxiliary groove, a parallelogram push plate is slidably connected between the two blocking rods in the rectangular groove, the upper and lower sides of the push plate are respectively contacted with the blocking rods on the corresponding side of the push plate, a left and right axial air guide tube with a T-shaped axial section is slidably connected in the rectangular block, and the right end of the air guide tube can extend into the rectangular groove and is communicated with the rectangular groove through an air guide hole.

The utility model has the advantages of ingenious structure and convenient use, the knob is rotated to facilitate the alternation of different annular air bags under the action of the push plate, the catheter is convenient to fix, the compression of the annular air bags on the tracheal wall mucous membrane of a patient is effectively reduced, and the comfort level of the patient is improved.

Drawings

Fig. 1 is an isometric view of the present invention.

FIG. 2 is a front elevational perspective view, in full section, of the present invention.

Fig. 3 is an enlarged view of a in fig. 2 of the present invention.

FIG. 4 is a top isometric view in full section of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

The utility model is shown in figures 1 to 4, including the pipe 1 of falling L shape, pipe 1 downside is coaxial to be equipped with two along the annular gasbag 2 of upper and lower direction equipartition, annular gasbag 2 inboard is equipped with connecting pipe 3, two connecting pipe 3 free ends all run through pipe 1 and are equipped with a rectangular block 4, rectangular channel 5 has been seted up in the rectangular block 4, set up the auxiliary groove 6 that upper and lower axial and axial cross-section are the T shape on the wall of rectangular channel 5 upper and lower both sides respectively, connecting pipe 3 free end communicates with the auxiliary groove 6 of its corresponding side, coaxial sliding connection has the axial cross-section to block pole 7 in the auxiliary groove 6, sliding connection has the push pedal 8 that is located between two block poles 7 and parallelogram in the rectangular channel 5, push pedal 8 upper and lower both sides respectively with the block pole 7 contact of its corresponding side, sliding connection has the gas guide cylinder 9 that left and right axial cross-shaped in the rectangular block 4, gas guide cylinder 9 right-hand member can stretch into rectangular channel 5 and communicate with rectangular channel 5 through gas guide hole 10.

In order to make the blocking rod 7 capable of self-resetting, the blocking rod 7 is sleeved with a spring 11 positioned between the outer side of the blocking rod and the auxiliary groove 6.

In order to facilitate the left-right sliding of the push plate 8, the rectangular groove 5 is connected with a left-right axial lead screw 12 in a rotating mode, the lead screw 12 is in threaded connection with the push plate 8, and the right end of the lead screw 12 penetrates through the rectangular block 4 and is coaxially provided with a knob.

In order to facilitate the left-right sliding of the air guide cylinder 9, the left side of the rectangular block 4 is provided with a T-shaped groove 13 which is coaxial with the air guide cylinder 9 and is communicated with the rectangular groove 5, the air guide cylinder 9 is positioned in the T-shaped groove 13, and the air guide cylinder 9 is provided with a pressure spring 14 positioned between the right side of the air guide cylinder and the T-shaped groove 13.

In order to wash the upper secretions of the annular air bags 2 conveniently, a Y-shaped washing pipe 15 is arranged in the catheter 1, the lower end of the washing pipe 15 penetrates through the right side wall of the catheter 1 and is located between the two annular air bags 2, and the upper end of the washing pipe 15 penetrates through the catheter 1 and is coaxially provided with a plug.

In order to facilitate the connection of the breathing machine pipeline, a connecting ring 16 with a T-shaped axial section is coaxially arranged at the upper end of the conduit 1.

When the utility model is used, the catheter 1 is inserted into the respiratory tract of a patient through a trachea incision, the catheter 1 is connected with the breathing machine pipeline through the connecting ring 16, when the annular air bag 2 at the lower side needs to be inflated, firstly, the knob is rotated clockwise along with the rotation, the lead screw 12 drives the push plate 8 to slide leftwards along the rectangular groove 5, the push plate 8 is promoted to slide downwards along the auxiliary groove 6 by pushing the blocking rod 7 at the lower side, the spring 11 at the lower side is compressed, at the moment, under the action of the spring 11 at the upper side, the spring 11 at the upper side drives the blocking rod 7 at the upper side to slide downwards along the auxiliary groove 6, the blocking rod 7 at the upper side does not shield the opening of the auxiliary groove 6 at the upper side any more, then the inflation end of the inflation device is inserted into the air guide tube 9, simultaneously, the air guide tube 9 is promoted to slide rightwards along the T-shaped groove 13, the pressure spring 14 is compressed, the right end of the air guide tube 9 extends into the rectangular groove 5 and is communicated with the rectangular groove 5 through the air guide hole 10, gas is filled into the annular air bag 2 at the upper side through the rectangular groove 5 and the connecting pipe 3, and the annular air bag 2 is inflated and expanded to fix the lower end of the catheter 1;

when the annular air bag 2 at the lower side needs to be inflated, firstly, the knob is rotated anticlockwise, the knob drives the push plate 8 to slide rightwards along the rectangular groove 5 through the lead screw 12, at the moment, the push plate 8 pushes the blocking rod 7 at the upper side to slide upwards along the auxiliary groove 6 to block the opening of the auxiliary groove 6 at the upper side again, the push plate 8 does not extrude the blocking rod 7 at the lower side any more, the knob is rotated anticlockwise continuously, under the action of the spring 11 at the lower side, the spring 11 drives the blocking rod 7 at the lower side to slide upwards along the auxiliary groove 6 and does not block the opening of the auxiliary groove 6 at the lower side, then, gas is filled into the annular air bag 2 at the lower side through the connecting pipe 3 and the rectangular groove 5, the guide pipe 1 is better fixed, after the inflation is finished, the knob is rotated clockwise, the knob drives the push plate 8 to slide leftwards along the rectangular groove 5 through the lead screw 12, and under the action of the spring 11, the blocking rod 7 blocks the opening of the auxiliary groove 6 at the corresponding side, the gas is conveniently and stably positioned in the annular air bag 2;

then the inflating device is pulled out from the air guide cylinder 9, at the moment, under the action of the pressure spring 14, the pressure spring 14 drives the air guide cylinder 9 to slide leftwards to an initial position, so that the air guide cylinder 9 is not communicated with the rectangular groove 5 through the air guide hole 10 any more, and is provided with the Y-shaped flushing pipe 15, thereby not only being convenient for flushing secretion on the annular air bag 2, but also being convenient for sucking waste liquid to the outside, when the air bags on the upper side and the lower side need to be respectively deflated, the rotary knob is rotated to repeat the above operation, thereby being convenient for alternately deflating the annular air bag 2 and reducing the compression of the annular air bag 2 on the mucous membrane of the air pipe wall,

the Y-shaped flushing pipe is convenient to flush secretions on the annular air bag, effectively reduces the problem of lung infection of a patient, and simultaneously lightens the work load of medical care personnel.

Claims

1. A double-bag washable tracheotomy cannula comprises an inverted L-shaped catheter (1), and is characterized in that two annular airbags (2) uniformly distributed along the vertical direction are coaxially arranged on the lower side of the catheter (1), connecting pipes (3) are arranged on the inner sides of the annular airbags (2), the free ends of the two connecting pipes (3) penetrate through the catheter (1) and are provided with a rectangular block (4), a rectangular groove (5) is formed in the rectangular block (4), upper and lower axial auxiliary grooves (6) with T-shaped axial sections are respectively formed in the upper side wall and the lower side wall of the rectangular groove (5), the free ends of the connecting pipes (3) are communicated with the auxiliary grooves (6) on the corresponding sides of the connecting pipes, blocking rods (7) with cross-shaped axial sections are coaxially and slidably connected in the auxiliary grooves (6), and a parallelogram-shaped push plate (8) is slidably connected in the rectangular groove (5) and is positioned between the two blocking rods (7), the upper side and the lower side of the push plate (8) are respectively contacted with the stop rods (7) at the corresponding sides, the rectangular block (4) is internally and slidably connected with an air guide cylinder (9) with a left axial direction and a right axial direction and a T-shaped axial section, and the right end of the air guide cylinder (9) can extend into the rectangular groove (5) and is communicated with the rectangular groove (5) through an air guide hole (10).

2. A double-cuff flushable tracheostomy cannula according to claim 1, characterised in that said blocking rod (7) is fitted with a spring (11) between its outer side and the auxiliary channel (6).

3. The double-cuff washable tracheotomy tube according to claim 1, characterized in that a left-right axial lead screw (12) is rotatably connected in the rectangular groove (5), the lead screw (12) is in threaded connection with the push plate (8), and the right end of the lead screw (12) penetrates through the rectangular block (4) and is coaxially provided with a knob.

4. The double-cuff flushable tracheostomy cannula according to claim 1, characterized in that the rectangular block (4) is provided at its left side with a T-shaped groove (13) coaxial with the gas cartridge (9) and communicating with the rectangular groove (5), the gas cartridge (9) is located in the T-shaped groove (13), and the gas cartridge (9) is provided with a compression spring (14) located between its right side and the T-shaped groove (13).

5. The double-cuff flushable tracheotomy tube according to claim 1, characterized in that a Y-shaped flushing tube (15) is arranged in the catheter (1), the lower end of the flushing tube (15) penetrates through the right side wall of the catheter (1) and is positioned between the two annular balloons (2), and the upper end of the flushing tube (15) penetrates through the catheter (1) and is coaxially provided with a plug.

6. A double-cuff flushable tracheostomy tube according to claim 1, characterised in that said tube (1) is provided coaxially at its upper end with a connecting ring (16) having a T-shaped axial section.