CN102553048A

CN102553048A - Guide core with balloon

Info

Publication number: CN102553048A
Application number: CN2012100286279A
Authority: CN
Inventors: 杨建平; 江伟; 陈星玲
Original assignee: Yongchuan Hospital of Chongqing Medical University
Current assignee: Yongchuan Hospital of Chongqing Medical University
Priority date: 2012-02-09
Filing date: 2012-02-09
Publication date: 2012-07-11
Anticipated expiration: 2032-02-09
Also published as: CN102553048B

Abstract

The invention discloses a guide core with a balloon. A circular balloon is fixedly sleeved on the core having a hollow structure. One end of the core is a closed end in smooth transition and protruded outwards, and the other end of the core is an open type tail vent port. The length of the core ranges from 78cm to 82cm, and the outer diameter ranges from 3mm to 5mm. Scale lines are arranged on the surface of the core and distant from the closed end by 48-52cm. A vent hole is arranged on the wall of the core and distant from the closed end by 0.5-1cm. The circular balloon is 2-5cm distant from the closed end, an air injection tube is arranged in the wall of the core, one end of the air injection tube is communicated with the circular balloon, and the other end of the air injection tube is connected with an air injection valve after extending out of the tail vent port. The guide core with the balloon is used for replacement of tracheal cannulas and increasing the replacement success rate of the tracheal cannulas. Besides, venting with fine effect can be realized during replacement. In addition, the guide core with the balloon is convenient and quick in operation.

Description

Band cover capsule guiding tube core

Technical field

The present invention relates to a kind of breathing apparatus, relate in particular to a kind of metathetical band cover of endotracheal tube capsule guiding tube core that is used for.

Background technology

In clinical position; Often need to change endotracheal tube, as: endotracheal tube capsule cover breaks, and secretions or foreign body seriously stop up conduit and can't attract; Endotracheal tube is stung flat obstructed to endotracheal tube by the patient, the thoracic surgery end need change single-lumen bronchial tube etc. into by double-lumen catheter.Existing substitute mode is used anesthetic laryngopharyngoscope intubate again then for extracting the original pipe conduit earlier, if meet difficulty air flue, then changes very difficulty of endotracheal tube.Have in the market a kind ofly to be used for the metathetical guiding tube core of endotracheal tube, but mainly there is following shortcoming in this guiding tube core: 1, in the process that withdraws from the original pipe conduit, sometimes tube core is taken out of outside the trachea, caused endotracheal tube displacement failure; When 2, needing to utilize the guiding tube core to ventilate, configuration does not guide the special joint that tube core is connected with breathing circuit, causes its ventilatory function to make full use of; 3, utilizing the guiding tube core to carry out in the venting process, it is very serious to leak gas, and ventilatory effect is undesirable.

Summary of the invention

To the above-mentioned weak point that guiding tube core of the prior art exists, the invention provides a kind of endotracheal tube displacement that is used for, improve endotracheal tube and be replaced as power, can ventilate in the replacement process, and the good band cover capsule guiding tube core of ventilatory effect.

In order to solve the problems of the technologies described above, the present invention has adopted following technical scheme: band cover capsule guiding tube core is fixed with an annular cover capsule on tube core; Said tube core is a hollow structure, and an end of tube core is the sealing head end to the smooth transition of outer lug, and the other end is the tail end blow vent of opening; The length of said tube core is 78～82cm, and external diameter is 3～5mm; In the distance that the surface and the distance of tube core are sealed head end 48～52cm, be provided with graduation mark; On the tube wall of tube core and apart from sealing head end 0.5～1cm place, have passage; Said annular cover capsule is provided with air injection pipe apart from sealing head end 2～5cm in the tube wall of tube core, an end of air injection pipe is communicated with annular cover capsule, and the other end of air injection pipe stretches out the tail end blow vent and is connected with the gas injection valve.

As a kind of preferred version of the present invention, this tube core also comprises two pass joints, and an end of two pass joints is for connecting the ventilation interface of breathing circuit, and the other end is for inserting the insertion interface of tail end blow vent.

As another kind of preferred version of the present invention, the cross section of said passage is oval.

As a kind of improvement project of the present invention, the cylindrical of said annular cover capsule is cylindric.

Compare with guiding tube core of the prior art, band cover capsule guiding tube core of the present invention has following advantage:

1, improves endotracheal tube and be replaced as power.Owing to produce transverse pressure between cover capsule of the annular after the gas injection and the tracheal wall,, thereby in the process that withdraws from the original pipe conduit, can avoid tube core is taken out of outside the trachea for the tube core after inserting has played fixation.

2, can in the endotracheal tube replacement process, ventilate.In the endotracheal tube replacement process, carry out urgent ventilation if desired, can tube core be connected with two pass joints, connect breathing circuit again and get final product.

3, ventilatory effect is good.Annular cover capsule after the inflation can seal air flue, avoids in venting process, leaking gas.

4, in the conduit replacement process, can monitor the degree of depth that tube core is inserted.In the distance that the surface and the distance of tube core are sealed head end 48～52cm, be provided with graduation mark, can in replacement process, monitor the degree of depth that tube core is inserted, it is dark and shallow excessively to avoid tube core to cross.Operating process is easy, quick.

Description of drawings

Fig. 1 is the structural representation of band cover capsule guiding tube core;

Fig. 2 is the interior structural representation of tail end blow vent that two pass joints insert tube core.

In the accompanying drawing, 1-tube core; 2-annular cover capsule; 3-sealing head end; 4-tail end blow vent; 5-graduation mark; 6-passage; 7-air injection pipe; 8-gas injection valve; 9-two pass joints; 10-ventilation interface; 11-insertion interface.

The specific embodiment

Below in conjunction with the accompanying drawing and the specific embodiment invention is done to describe in further detail.

As shown in Figure 1, band cover capsule guiding tube core is fixed with an annular cover capsule 2 on tube core 1.Tube core 1 is a hollow structure, and an end of tube core 1 is the sealing head end 3 to the smooth transition of outer lug, and the other end of tube core 1 is the tail end blow vent 4 of opening.The length of tube core 1 is 78～82cm, and external diameter is 3～5mm, and in the present embodiment, the length of tube core 1 is 80cm, and the internal diameter of tube core 1 is 1～3mm; In the distance that the surface and the distance of tube core 1 are sealed head end 48～52cm, be provided with graduation mark 5 (in the present embodiment) in the surface markers centimeter scale of tube core.On the tube wall of tube core 1 and apart from sealing head end 0.5～1cm place, have passage 6, the cross section of passage 6 is oval.Annular cover capsule 2 is apart from sealing head end 2～5cm; In the tube wall of tube core 1, be provided with air injection pipe 7; Air injection pipe 7 is embedded in the wall layers of tube core; One end of air injection pipe 7 is communicated with annular cover capsule 2, and the other end of air injection pipe 7 stretches out tail end blow vent 4 and is connected with gas injection valve 8, can give annular cover capsule 2 gas injections through gas injection valve 8.

This tube core 1 also comprises an end of two pass joints, 9, two pass joints 9 for connecting the ventilation interface 10 of breathing circuit, and the other end is for inserting the insertion interface 11 of tail end blow vent 4, and is as shown in Figure 2.The ventilation interface 10 of two pass joints 9 is connected with breathing circuit (mainly being the breathing circuit of anesthetic machine) and is used for ventilation, inserts joint 11 and is processed by steel, can be used for inserting in the tail end blow vent 5 of tube core 1.

The cross section of passage 6 is oval, and the opening of passage 6 also adopts oval-shaped opening, and what both helped ventilating is unobstructed, can keep again tube core structure firmly.

The cylindrical of annular cover capsule 2 is cylindric; After columned annular cover capsule 2 inflations, increase the frictional force between itself and the tracheal wall, make that tube core is easy to fix in the tube drawing process; The risk that tube core is taken out of in the time of can reducing tube drawing; In addition, make when ventilating the sealing that guarantees air flue, more effectively ventilation.

Tube core 1 is processed by soft silica gel material or medical grade PVC material, its soft durometer endotracheal tube that will suit to insert.Annular balloon on tube core cover adopts the air bag of low-pressure high power capacity, and mainly plaing increases frictional force effect between itself and the tracheal wall, and the while is not excessively oppressed tracheal wall again.After tube core is inserted the original pipe conduit, should surpass the degree of depth of original pipe conduit 5cm, the tube drawing process is related deviates to avoid, and also helps inserting of new endotracheal tube.Air injection pipe is separated from the tail end blow vent of tube core, can in the tube drawing process, easily cut off or pull apart gas tube, and tube drawing is easy to operate.Owing to the endotracheal tube of different model (internal diameter) is arranged, therefore can be made into the band cover capsule guiding tube core that is applicable to the different model endotracheal tube.The band cover capsule guiding tube core of external diameter 5mm is applicable to the endotracheal tube more than No. 6; The band cover capsule guiding tube core of external diameter 4mm is applicable to the endotracheal tube more than No. 5; The band cover capsule guiding tube core of external diameter 3mm is applicable to the endotracheal tube more than No. 4.

Band cover capsule guiding tube core is a disposable medical article.Prepare before using: at first select the band cover capsule guiding tube core of suitable types, inspection annular balloon cover inflation back is air tight, and the inspection tube core is unobstructed, with sterilization paraffin liquid Coating tape cover capsule guiding tube core and new endotracheal tube.Endotracheal tube replacement operator: at first tube core is inserted the original pipe conduit; Need insert than the original pipe catheter length and many degree of depth of 5cm; Give annular cover capsule gas injection 5-10ml through the gas injection valve, withdraw from the original pipe conduit then, when withdrawing from the tail end blow vent of original pipe conduit to tube core, cut off or pull apart exposed air injection pipe until withdrawing from; Insert through the new endotracheal tube of tube core guiding again, withdraw from tube core at last.Owing to produce transverse pressure between cover capsule of the annular after the gas injection and the tracheal wall, for the tube core after inserting has played fixation, thereby in the process that withdraws from the original pipe conduit, can avoid tube core is taken out of outside the trachea, therefore, can improve endotracheal tube and be replaced as power.Band cover capsule guiding tube core can be ventilated in the endotracheal tube replacement process.In the endotracheal tube replacement process, carry out urgent ventilation if desired, can the tail end blow vent of tube core be connected with two pass joints, connect breathing circuit again and get final product.In addition, the annular cover capsule after the inflation also can play the sealing air flue, avoids the effect of in venting process, leaking gas.Operating process is easy, quick.

Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.

Claims

1. band cover capsule guiding tube core is characterized in that: on tube core (1), be fixed with an annular cover capsule (2); Said tube core (1) is a hollow structure, and an end of tube core (1) is the sealing head end (3) to the smooth transition of outer lug, and the other end is the tail end blow vent (4) of opening; The length of said tube core (1) is 78～82cm, and external diameter is 3～5mm; In the distance that the surface and the distance of tube core (1) are sealed head end (3) 48～52cm, be provided with graduation mark (5); On the tube wall of tube core (1) and apart from sealing head end (3) 0.5～1cm places, have passage (6); Said annular cover capsule (2) is apart from sealing head end (3) 2～5cm; In the tube wall of tube core (1), be provided with air injection pipe (7); One end of air injection pipe (7) is communicated with annular cover capsule (2), and the other end of air injection pipe (7) stretches out tail end blow vent (4) and is connected with gas injection valve (8).

2. band cover capsule guiding tube core according to claim 1; It is characterized in that: this tube core (1) also comprises two pass joints (9); One end of two pass joints (9) is for connecting the ventilation interface (10) of breathing circuit, and the other end is for inserting the insertion interface (11) of tail end blow vent (4).

3. band cover capsule guiding tube core according to claim 1 and 2, it is characterized in that: the cross section of said passage (6) is for oval.

4. band cover capsule guiding tube core according to claim 1 and 2, it is characterized in that: the cylindrical of said annular cover capsule (2) is cylindric.