CN211383297U

CN211383297U - Multipurpose breather

Info

Publication number: CN211383297U
Application number: CN201922154368.4U
Authority: CN
Inventors: 苗威; 陈永振; 刘小东; 王国诰; 魏永飞
Original assignee: Henan Camel Medical Device Research Institute Co ltd
Current assignee: Henan Camel Medical Device Research Institute Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-09-01
Anticipated expiration: 2029-12-05

Abstract

The utility model relates to the technical field of medical equipment, specifically disclose a multipurpose ventilation unit, including trachea cannula, the patient end of trachea cannula's body is provided with inlayer cover bag and outer cover bag, outer cover bag cover is located the outside of inlayer cover bag, set up inflation channel in the pipe wall of trachea cannula's body, inflation channel's one end is connected with the gas injection device, inflation channel's the other end with inlayer cover bag with space connection between the outer cover bag, the inside of inlayer cover bag through set up in air vent on trachea cannula's the body with trachea cannula's breathing channel connects. The utility model discloses adjust the pressure between gasbag and air flue mucous membrane according to patient's self breathing rhythm, reduced the continuation oppression to the air flue, the effectual damage that reduces trachea cannula to patient's air flue mucous membrane.

Description

Multipurpose breather

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a multipurpose breather is related to.

Background

The existing trachea cannula is a single-cavity through tube, one end of the trachea cannula is an external end connected with a breathing machine, and the other end of the trachea cannula is an internal end inserted into a trachea of a patient. When trachea cannula connects, if inhale phlegm, when dosing the treatment to the patient, must pause the oxygen suppliment, extract trachea cannula, then carry out other treatment operations again, so not only cause the influence for patient's oxygen suppliment, plug trachea cannula many times can cause patient's air flue mucous membrane damage to increase patient's pain and feel moreover. In addition, the existing air bag of the tracheal cannula can not adjust the pressure in the air bag according to the breathing rhythm of the patient, and only the inflation valve can be used for adjusting the pressure in the air bag, so that the injury to the airway mucosa of the patient is large.

Based on this, how to reduce the damage of the tracheal intubation to the airway of the patient is a technical problem which needs to be solved urgently by the technicians in the field.

Disclosure of Invention

In view of this, the utility model aims at prior art's not enough, provide a multipurpose ventilation unit, adjust gasbag and air flue mucous membrane pressure within a definite time according to patient's self breathing rhythm, reduced the continuation oppression to the air flue, the effectual damage that reduces trachea cannula to patient's air flue mucous membrane.

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

the multipurpose ventilation device comprises a tracheal cannula, wherein an inner cuff and an outer cuff are arranged at the patient end of the tube body of the tracheal cannula, the outer cuff is sleeved outside the inner cuff to form a double-layer cuff, an inflation channel is arranged in the tube wall of the tube body of the tracheal cannula, one end of the inflation channel is connected with an air injection device, the other end of the inflation channel is connected with a space between the inner cuff and the outer cuff, and the inner cuff is connected with a breathing channel of the tracheal cannula through a vent hole formed in the tube body of the tracheal cannula.

Furthermore, the body of the trachea cannula is also provided with a sputum suction channel, one end of the sputum suction channel is arranged at the end head of the patient end of the trachea cannula, and the other end of the sputum suction channel is connected with a sputum suction device.

Further, the outer side of the double-layer cuff is also sleeved with a medicine injection cuff, and the surface of the medicine injection cuff is provided with a plurality of small holes; the trachea cannula is characterized in that a medicine injection channel is arranged in the trachea body of the trachea cannula, one end of the medicine injection channel is connected with the double-layer cuff and the space between the medicine injection cuffs, and the other end of the medicine injection channel is connected with a medicine injection device.

Further, the patient end of the tracheal cannula is provided with a Murphy's eye.

The utility model has the advantages that:

when the utility model is used, when the trachea cannula is successfully applied, the machine end of the trachea cannula is connected with a respirator, the gas injection device is used for inflating through the inflation channel, the outer-layer cuff is inflated to seal the trachea of a patient, and the respirator starts to work; when the device is used for positive pressure inflation in a breathing machine, the air pressure of a breathing channel in the tracheal catheter is increased, the inner-layer cuff is inflated and expanded, the volume of the outer-layer cuff is further increased, and the inspiratory and dilated trachea of a patient is sealed; when the respirator pumps air, the air pressure of a breathing channel in the tracheal catheter is reduced, the inner-layer cuff is deflated, and the volume of the outer-layer cuff is relatively reduced; because the change of the volume of the outer cuff is consistent with the breathing process of a patient, the pressure of the outer cuff on the mucous membrane of the airway of the patient can be ensured to be synchronously reduced along with the reduction of the pressure of the airway, and the oppressive injury of the airway can be effectively prevented.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure A-A of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the present invention at B-B.

In the figure: the medical device comprises a medical hole 1, a small hole 2, a trachea cannula 3, an inflation joint 4, a sputum suction joint 5, a medicine injection joint 6, a trachea cannula joint 7, a vent hole 8, an inflation channel 9, a medicine injection channel 10, a sputum suction channel 11, a breathing channel 12, an inner-layer cuff 13, an outer-layer cuff 14 and a medicine injection cuff 15.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 3, a multipurpose ventilation device comprises an endotracheal tube 3, wherein the endotracheal tube 3 is a prior art, and is made according to the first part of the endotracheal tube 3 of the chinese republic of china medical industry standard YY 0337.1-2002: a conventional intubation tube and a connector, the endotracheal tube 3 is a tube line inserted into the trachea through the throat to deliver gas and steam to and from the trachea, and the inner space of the tube line is a breathing passage 12.

The patient end of the body of the trachea cannula 3 is provided with an inner-layer cuff 13 and an outer-layer cuff 14, the outer-layer cuff 14 is sleeved outside the inner-layer cuff 13 to form a double-layer cuff, an inflation channel 9 is arranged in the tube wall of the body of the trachea cannula 3, one end of the inflation channel 9 is connected with an air injection device through an inflation joint 4, the other end of the inflation channel 9 is connected with the inner-layer cuff 13 and a space between the outer-layer cuff 14, and the inner part of the inner-layer cuff 13 is connected with a breathing channel 12 of the trachea cannula 3 through a vent hole 8 arranged on the body of the trachea cannula 3.

When the device is used, when the intubation operation of the tracheal intubation 3 is successful, the machine end of the tracheal intubation 3 is connected with a breathing machine through a tracheal intubation joint 7, the air injection device is used for inflating air through an inflation channel 9, the volume of the outer-layer cuff 14 is enlarged, and the trachea of a patient is sealed; the breathing machine starts to work at the same time, the patient can expand and contract with the breathing frequency in the inspiration and expiration processes of the cooperation breathing machine, when the device is used for positive pressure inflation, the air pressure of the breathing channel 12 in the tracheal catheter rises, relatively high air pressure enters the inner part of the inner-layer cuff 13 through the vent hole 8, the inner-layer cuff 13 is inflated and expanded, the volume of the outer-layer cuff 14 is further increased under the action of the inner-layer cuff 13, and the trachea of the patient subjected to inspiration and expansion is sealed; during this process, the pressure generated by the ventilator and the patient during inspiration is greater than the pressure of the gas injected by the insufflation device in the outer cuff 14; when the respirator is used for air suction, the air pressure in the tracheal catheter is reduced, the inner-layer cuff 13 is deflated, and the volume of the outer-layer cuff 14 is relatively reduced; because the change of the volume of the outer cuff 14 is consistent with the breathing process of a patient, the pressure of the outer cuff 14 on the airway mucosa of the patient can be ensured to be synchronously reduced along with the reduction of the pressure of the airway, and the oppressive injury of the airway can be effectively prevented.

In a specific embodiment, the body of the endotracheal tube 3 is further provided with a sputum suction channel 11, one end of the sputum suction channel 11 is arranged at the end of the patient end of the endotracheal tube 3, and the other end of the sputum suction channel 11 is provided with a sputum suction connector 5 connected with a sputum suction device. The outlet of the sputum suction channel 11 at the end of the patient end of the tracheal cannula 3 is a sputum suction port which can be positioned at the end face or the side face of the end of the patient end, so that the sputum suction device can suck sputum without drawing the tube and ensure that the patient can breathe normally under the help of a breathing machine in the state.

In a specific embodiment, the double-layer cuff is further sleeved with a drug injection cuff 15, the surface of the drug injection cuff 15 is provided with a plurality of small holes 2, and the sum of the diameters of the small holes 2 is smaller than the diameter of the drug injection channel 10, so that when the drug injection channel 10 injects the drug, each small hole 2 can discharge the drug outwards, which is beneficial to ensuring the uniformity of drug administration; a medicine injection channel 10 is arranged in the tube body of the tracheal intubation 3, one end of the medicine injection channel 10 is connected with the space between the double-layer cuff and the medicine injection cuff 15, and the other end of the medicine injection channel 10 is provided with a medicine injection joint 6 to be connected with a medicine injection device. The injection device can inject medicine into the injection channel 10 and administer medicine to surrounding tissues through the small holes 2 of the injection cuff 15, and can also inject different medicines according to the actual needs of patients, so that the medicines and the fine washing liquid are uniformly sprinkled on the mucous membrane of the respiratory tract, the effects of anesthesia, anti-inflammation and the like of the mucous membrane surface are realized, the uncomfortable conditions of patient choking cough, nausea and vomiting and the like can be effectively reduced, and the infection probability can be effectively reduced.

In a specific embodiment, the patient end of the endotracheal tube 3 is provided with a Murphy's eye 1. In the above description, the terminology used is from the national institutes of medicine standard YY0337.1-2002 "first part of endotracheal tube 3: a conventional type of intubation tube and adapter, the endotracheal tube 3 being a tube inserted into the trachea through the throat to deliver gas and steam to and from the trachea; the patient end is one end of the trachea cannula 3 used for inserting a trachea; the machine end is one end of the trachea cannula 3 used for being connected with a breathing machine; the cuff is an inflatable balloon integrated with a permanent link near the patient end of the tracheal cannula 3 and is used for providing effective sealing between the tracheas; the Murphy's eye 1 is an eye on the tube wall near the patient end of the tracheal cannula 3 opposite to the bevel, and the bevel is the inclined part of the patient end of the tracheal cannula 3.

It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.

Claims

1. A multipurpose ventilation device comprising an endotracheal tube (3), characterized in that: the patient end of the body of trachea cannula (3) is provided with inlayer cover bag (13) and outer cover bag (14), outer cover bag (14) cover is located the outside of inlayer cover bag (13) forms double-deck cover bag, set up in the pipe wall of the body of trachea cannula (3) and inflate passageway (9), the one end and the gas injection device of inflation passageway (9) are connected, the other end of inflation passageway (9) with inlayer cover bag (13) with space connection between outer cover bag (14), the inside of inlayer cover bag (13) through set up in air vent (8) on the body of trachea cannula (3) with breathing channel (12) of trachea cannula (3) are connected.

2. A multi-purpose aeration device according to claim 1 wherein: the trachea cannula is characterized in that a sputum suction channel (11) is further arranged on the body of the trachea cannula (3), one end of the sputum suction channel (11) is arranged at the end head of the patient end of the trachea cannula (3), and the other end of the sputum suction channel (11) is connected with a sputum suction device.

3. A multi-purpose aeration device according to claim 1 wherein: the outer side of the double-layer cuff is also sleeved with a medicine injection cuff (15), and the surface of the medicine injection cuff (15) is provided with a plurality of small holes (2); a medicine injection channel (10) is arranged in the tube body of the tracheal cannula (3), one end of the medicine injection channel (10) is connected with the double-layer cuff and the space between the medicine injection cuffs (15), and the other end of the medicine injection channel (10) is connected with a medicine injection device.

4. A multi-purpose aeration device according to claim 1 wherein: the patient end of the trachea cannula (3) is provided with a Murphy's eye (1).