CN217339657U - artificial ventilation device - Google Patents

Abstract

The utility model provides an artificial ventilation device, comprising a tracheal intubation assembly, a ventilator, and inflating and deflating equipment. The tracheal intubation assembly includes an intubation tube for communicating with a breathing tube of a ventilator, and the first part of the intubation tube is intubated. An inflatable sealing part is provided on the outer circumference of one end, and the inflatable sealing part is in controllable communication with the inflating and deflating equipment. During the process of supplying air to the patient, the inflating and deflating equipment can inflate the gas. The sealing portion is inflated, and the inflation and deflation device is capable of drawing air from the inflatable sealing portion during the process of returning air from the patient to the ventilator. The utility model can effectively avoid the damage to the patient's airway caused by maintaining the same internal air pressure in the sealing part of the artificial airway in the prior art.

Description

artificial ventilation device

technical field

The utility model belongs to the technical field of medical equipment, in particular to an artificial ventilation device.

Background technique

When performing related operations on patients with general anesthesia, since the established artificial airway is a one-time inflation, the inflation volume is likely to be excessive, which will adversely affect the patient's laryngeal tissue when used for a long time. For example, the human body tissue damage caused by the excessive amount of inflation; at the same time, in the process of long-term use, the phenomenon of air leakage is easy to occur, which causes troubles to the normal air supply.

Utility model content

Therefore, the technical problem to be solved by the present invention is to provide an artificial ventilation device, which has an inflatable sealing portion that can be inflated and deflated in accordance with the breathing frequency of the ventilator, effectively preventing the sealing portion of the artificial airway in the prior art from maintaining the same Damage to a patient's airway caused by internal air pressure.

In order to solve the above problems, the present utility model provides an artificial ventilation device, which includes a tracheal intubation assembly, a ventilator, and an inflatable and deflated device. The outer circumferential side of the first end of the intubation tube is provided with an inflatable sealing part, and the inflatable sealing part is in controllable communication with the inflating and deflating equipment. An inflatable device is capable of inflating the inflatable seal, and the inflation and deflation device is capable of drawing air from the inflatable seal during the return of the ventilator from the patient.

In some embodiments, a gas flow direction sensor is connected between the second end of the intubation tube and the breathing tube, and the gas flow direction sensor can sense the gas flow direction between the breathing tube and the intubation tube, and the gas flow direction sensor can sense the gas flow direction between the breathing tube and the intubation tube. The real-time air flow signal detected by the gas flow direction sensor can be fed back to the control part, and the control part controls the charging and discharging of the pressurized gas of the inflating and deflating device according to the real-time air flow signal.

In some embodiments, the inflating and deflating device communicates with the inflatable sealing part, and a pressure limiting device is provided on the communication pipeline therebetween, and the pressure limiting device realizes pressure control in the inflatable sealing part.

In some embodiments, the inflation and deflation device is configured to numerically set a minimum pressure and a maximum pressure within the inflation seal during its use.

In some embodiments, the inflatable seal is a cuff structure.

In some embodiments, an upper airway sealing member is further provided on the outer circumferential side of the cannula away from the first end.

In some embodiments, the upper airway sealing member is a balloon structure, and the upper airway sealing member is in controllable communication with the inflation and deflation device.

The utility model provides an artificial ventilation device, which realizes the following adjustment when the patient's inhalation airway expands and when the exhalation airway contracts through the inflation and deflation of the inflatable sealing part by the inflating and deflating device, effectively The damage to the patient's airway caused by maintaining the same internal air pressure in the sealing part of the artificial airway in the prior art is avoided.

Description of drawings

1 is a schematic structural diagram of an artificial ventilation device according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an artificial ventilation device according to another embodiment of the present invention.

Reference numerals are indicated as:

11. Intubation; 12. Inflatable sealing part; 2. Ventilator; 21. Breathing tube; 3. Inflation and deflation equipment; 13. Gas flow sensor; 32. Pressure limiting device; 34. Upper airway sealing part; 41. control cable.

Detailed ways

1 and 2, according to an embodiment of the present invention, an artificial ventilation device is provided, including an endotracheal intubation assembly, a ventilator 2, and an inflatable and deflation device 3. The endotracheal intubation assembly includes a device for The cannula 11 communicated with the breathing tube 21 of the ventilator 2, the first end of the cannula 11 is provided with an inflatable sealing part 12, and the inflatable sealing part 12 is in controllable communication with the inflating and deflating equipment 3 , in the process of supplying air to the patient by the ventilator 2, the inflation and deflation device 3 can inflate the inflatable sealing portion 12, and in the process of the ventilator 2 returning air from the patient , the inflating and deflating device 3 can draw air from the inflatable sealing portion 12 . In this technical solution, the inflation and deflation of the inflation sealing portion 12 by the inflation and deflation device 3 realizes the follow-up adjustment when the patient's inspiratory airway expands and when the expiratory airway contracts, effectively avoiding the prior art. The sealing part of the artificial airway in the artificial airway maintains the same internal air pressure as the damage caused to the patient's airway.

In some embodiments, a gas flow sensor 13 is connected between the second end of the cannula 11 and the breathing tube 21 , and the gas flow sensor can sense the gas between the breathing tube 21 and the cannula 11 . The real-time air flow signal detected by the gas flow direction sensor 13 can be fed back to the control unit, and the control unit controls the charging and discharging of the pressurized gas of the inflating and deflating device 3 according to the real-time air flow signal. In this technical solution, the real-time airflow signal detected by the gas flow direction sensor 13 can be fed back to the control unit through the control cable 41 (with a signal cable and a power cable inside), and the control unit is based on the real-time airflow The signal controls the charging and discharging of the pressurized gas of the inflating and deflating device 3 , so that the inflating and deflating of the inflatable sealing portion 12 is more intelligent.

In some embodiments, the inflation and deflation device 3 communicates with the inflation sealing portion 12 , and a pressure limiting device 32 is provided on the communication pipeline between the two, and the pressure limiting device 32 realizes the inflation sealing portion 12 . internal pressure control. Preferably, the inflating and deflating device 3 can be set by numerical values, so as to set the minimum pressure and the maximum pressure in the inflatable sealing part 12 during use, and setting the minimum pressure in the inflatable sealing part 12 can make The ventilator 2 is inflated and deflated to avoid gas leakage, and setting the highest pressure in the inflatable sealing portion 12 can avoid airway damage, which is more convenient for clinical application.

The inflation and deflation equipment 3 can be inflated and deflated in a short time, and the speed is constant.

In some embodiments, the inflatable seal 12 is a cuff structure.

In some embodiments, an upper airway sealing member 34 is further provided on the outer circumferential side of the cannula 11 away from the first end, so that during the operation of the ventilator 2 and the inflation and deflation device 3, Make sure the airway is closed. The upper airway sealing member may be a completely independent structure (similar to an expanding sponge or an independent air bag). The inflatable and deflated devices are controllably communicated to maintain synchronization with the inflation and deflation of the inflatable sealing portion 12 , which can facilitate control while improving the comfort of the patient.

It can be easily understood by those skilled in the art that, on the premise of no conflict, the above advantageous manners can be freely combined and superimposed.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in the present utility model. within the scope of protection. The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principle of the present invention, several improvements and modifications can be made. These improvements and modifications It should also be regarded as the protection scope of the present invention.

Claims (7)

1. An artificial ventilation device, characterized in that it comprises a tracheal intubation assembly, a ventilator (2), an inflating and deflation device (3), and the tracheal intubation assembly comprises a breathing tube for connecting with a ventilator (2). (21) A communicating cannula (11), an inflatable sealing portion (12) is provided on the outer circumferential side of the first end of the intubation tube (11), and the inflatable sealing portion (12) is connected to the inflating and deflating device (12). 3) Controllable communication, during the process of supplying air to the patient by the ventilator (2), the inflating and deflating device (3) can inflate the inflatable sealing portion (12), and the ventilator ( 2) During the process of returning air from the patient, the inflating and deflating device (3) can draw air from the inflatable sealing part (12). 2 . The artificial ventilation device according to claim 1 , wherein a gas flow direction sensor ( 13 ) is connected between the second end of the intubation tube ( 11 ) and the breathing tube ( 21 ). 3 . The flow direction sensor can sense the flow direction of the gas between the breathing tube (21) and the cannula (11), and the real-time air flow signal detected by the gas flow direction sensor (13) can be fed back to the control part, and the control part is based on the The real-time air flow signal controls the charging and discharging of the pressurized gas of the gas charging and discharging device (3). 3. The artificial ventilation device according to claim 2, characterized in that, the inflating and deflating equipment (3) is communicated with the inflatable sealing portion (12), and a pressure limiting device is provided on the communication pipeline between the two. (32), the pressure limiting device (32) realizes the pressure control in the gas-filled sealing part (12). 4. The artificial ventilation device according to claim 3, characterized in that, the inflating and deflating device (3) is configured to be able to numerically set the minimum pressure in the inflatable sealing portion (12) during its use and maximum pressure. 5. The artificial ventilation device according to any one of claims 1 to 4, wherein the inflatable sealing portion (12) is a cuff structure. 6. The artificial ventilation device according to claim 1, wherein an upper airway sealing member (34) is further provided on the outer circumferential side of the cannula (11) away from the first end. 7. The artificial ventilation device according to claim 6, wherein the upper airway sealing member (34) is an air bag structure, and the upper airway sealing member (34) is connected to the inflating and deflating equipment (3). ) controllable connectivity.

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