CN112957579A - Appliance for treating respiratory alkalosis of patient undergoing tracheal intubation or tracheotomy - Google Patents

Appliance for treating respiratory alkalosis of patient undergoing tracheal intubation or tracheotomy Download PDF

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Publication number
CN112957579A
CN112957579A CN202110261384.2A CN202110261384A CN112957579A CN 112957579 A CN112957579 A CN 112957579A CN 202110261384 A CN202110261384 A CN 202110261384A CN 112957579 A CN112957579 A CN 112957579A
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China
Prior art keywords
patient
oxygen supply
container body
carbon dioxide
joint
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Pending
Application number
CN202110261384.2A
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Chinese (zh)
Inventor
张泽立
黄齐兵
宋岩
王华卿
韩萍
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Qilu Hospital of Shandong University
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Qilu Hospital of Shandong University
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Priority to CN202110261384.2A priority Critical patent/CN112957579A/en
Publication of CN112957579A publication Critical patent/CN112957579A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04—Tracheal tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04—Tracheal tubes
    • A61M16/0465—Tracheostomy tubes; Devices for performing a tracheostomy; Accessories therefor, e.g. masks, filters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2230/00—Measuring parameters of the user
    • A61M2230/40—Respiratory characteristics
    • A61M2230/43—Composition of exhalation
    • A61M2230/432—Composition of exhalation partial CO2 pressure (P-CO2)

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  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Emergency Medicine (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Prostheses (AREA)

Abstract

The invention relates to a device for treating respiratory alkalosis of a patient with trachea cannula or tracheotomy, which comprises a container body, an extension tube, an oxygen supply tube and an artificial airway joint, wherein an adjusting cavity is arranged inside the container body; the telescopic pipe and the oxygen supply pipe are respectively arranged at two ends of the container body, the artificial air flue joint is arranged below the container body, and the tail end of the telescopic pipe is provided with a ventilation regulating valve; the oxygen supply joint is connected with an oxygen supply device with adjustable flow; the artificial airway joint is used for being connected with a tracheal cannula or an tracheostomy cannula of a patient, and the gas exhaled by the patient is temporarily stored in the adjusting cavity. The appliance of the invention enables the blood oxygen saturation to reach a proper level by adjusting the oxygen flow, and then enables carbon dioxide exhaled by a patient to be temporarily stored in the adjusting cavity in the container body by adjusting the length of the telescopic tube and the ventilation adjusting valve, so that the concentration of the carbon dioxide in the inhaled gas of the patient is increased, the arterial blood carbon dioxide partial pressure is further increased, and the treatment of respiratory alkalosis of the patient with tracheal intubation is realized.

Description

Appliance for treating respiratory alkalosis of patient undergoing tracheal intubation or tracheotomy
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to an instrument for treating respiratory alkalosis of a patient subjected to tracheal intubation or tracheotomy.
Background
Respiratory alkalosis refers to carbonation (H) in blood due to pulmonary hyperventilation2CO3) Primary decrease, resulting in arterial partial pressure of carbon dioxide (PaCO)2) Decrease and increase in pH (greater than 7.45). Patients with respiratory alkalosis have symptoms of dizziness, paraesthesia, chest distress, chest pain, fear, numbness of hands and feet and face, and even convulsion of limbs, and PaCO2The decline can lead to cerebrovascular contraction, with the risk of cerebral ischemia.
At present, clinically, for the treatment of respiratory alkalosis, except for cause treatment, analgesia and sedation and even muscle relaxation treatment, other simple and feasible symptomatic treatment methods are lacked, and clinically, a sealed plastic bag or a paper bag is usually adopted to cover the mouth and nose parts of a patient or the outlet of an artificial airway so as to create a nearly closed space for the carbon dioxide (CO) exhaled by the patient2) The carbon dioxide is completely collected in the sealed space, and the partial pressure of the carbon dioxide in the alveolus of the patient is increased by increasing the content of the carbon dioxide in the gas inhaled by the patient, so that the partial pressure of the carbon dioxide in the arterial blood of the patient (PaCO) is increased2) To alleviate and eliminate symptoms of respiratory alkalosis in patients.
However, the method has poor control effect on carbon dioxide due to poor supporting capability and poor sealing performance of plastic bags or paper bags, which often results in insufficient or excessive correction of the respiratory alkalosis, and no finished tool for correcting the respiratory alkalosis is available clinically.
Disclosure of Invention
The present invention provides a device for treating respiratory alkalosis of a patient undergoing tracheal intubation or tracheotomy, which overcomes the disadvantages of the above technical problems.
The invention relates to a device for treating respiratory alkalosis of a patient with trachea cannula or tracheotomy, which comprises a container body, an extension tube, an oxygen supply tube and an artificial airway joint, wherein the inside of the container body is provided with an adjusting cavity for containing gas inhaled and exhaled by the patient with trachea cannula or tracheotomy; the method is characterized in that: the telescopic pipe and the oxygen supply pipe are respectively arranged at two ends of the container body, the artificial air flue joint is arranged below the container body, the length of the telescopic pipe is adjustable, an air duct for communicating the adjusting cavity with the outside is arranged inside the telescopic pipe, and the tail end of the telescopic pipe is provided with an air ventilation adjusting valve for adjusting the size of an opening for communicating the air duct with the outside; one end of the oxygen supply pipe is communicated with the adjusting cavity in the container body, the other end of the oxygen supply pipe is provided with an oxygen supply joint, and the oxygen supply joint is connected with an oxygen supply device with adjustable flow; the artificial airway joint is used for being connected with a tracheal cannula or an tracheostomy cannula of a patient so as to realize the communication between the adjusting cavity and the tracheal cannula or the tracheostomy cannula; the gas exhaled by the patient is temporarily stored in the regulating cavity, and the partial pressure of carbon dioxide in the gas inhaled by the patient is increased after the gas is inhaled again and for a plurality of times, so that the respiratory alkalosis symptom of the patient with the tracheal cannula is treated.
The invention relates to an appliance for treating respiratory alkalosis of a patient subjected to tracheal intubation or tracheotomy.A bypass type end-tidal carbon dioxide detection interface communicated with the artificial airway is arranged on the artificial airway joint, a blocking cap for blocking the end-tidal carbon dioxide detection interface is arranged on the end-tidal carbon dioxide detection interface, and the end-tidal carbon dioxide detection interface is connected with an end-tidal carbon dioxide monitoring module on a monitoring instrument through a connecting pipeline.
According to the device for treating respiratory alkalosis of the patient with trachea cannula or tracheotomy, when the ventilation regulating valve is in the minimum closed state, the ventilation regulating valve still has a certain opening so as to ensure that the regulating cavity is always communicated with the outside through the ventilation channel of the telescopic pipe, and suffocation of the patient is avoided under the condition that the oxygen supply pipe is not aerated with oxygen.
The invention relates to a device for treating respiratory alkalosis of a patient with trachea cannula or tracheotomy.A ventilation regulating valve consists of an outer cylinder, a knob, a fixed semicircle, a movable semicircle and a cylinder, wherein the outer wall of the periphery of the outer cylinder is fixed at the end part of a telescopic pipe, the fixed semicircle is fixed on the inner wall of the outer cylinder, the cylinder is positioned at the central position in the outer cylinder, and the cylinder is connected with the inner wall of the outer cylinder through a plurality of connecting rods; a through hole is formed in the center of the cylinder, a rotating shaft penetrates through the through hole of the cylinder, the outer end of the rotating shaft is connected with the knob, and the inner end of the rotating shaft is connected with the center of the straight edge of the movable semicircle; the overlapping area of the movable semicircle and the fixed semicircle is adjusted by rotating the knob so as to adjust the opening size of the ventilation adjusting valve.
The invention has the beneficial effects that: the invention relates to a device for treating respiratory alkalosis of a patient with tracheal intubation or tracheotomy, which is provided with a container body, an extension tube, an artificial airway joint and an oxygen supply tube, wherein a regulating cavity in the container body is communicated with the tracheal intubation of the patient through the artificial airway joint, is communicated with the outside through the extension tube and is communicated with oxygen supply equipment through the oxygen supply tube; in the process of treating patients suffering from respiratory alkalosis, the oxygen saturation degree reaches a proper level by adjusting the oxygen flow, and then carbon dioxide exhaled by the patients is temporarily stored in an adjusting cavity in a container body by adjusting the length of the telescopic pipe and the ventilation adjusting valve, so that the concentration of the carbon dioxide in inhaled gas of the patients is increased, the partial pressure of the carbon dioxide in arterial blood is increased, and the treatment of the respiratory alkalosis of the patients suffering from tracheal intubation is realized.
Furthermore, an end-tidal carbon dioxide interface on the artificial airway joint is connected with the end-tidal carbon dioxide monitoring module through a connecting pipeline, the length of the telescopic pipe and the ventilation regulating valve can be regulated in real time according to a monitoring result, and partial pressure of arterial blood carbon dioxide can reach a reasonable level.
Drawings
FIG. 1 is a front view of the apparatus for treating respiratory alkalosis in a tracheostomy or tracheotomy patient of the invention;
FIG. 2 is a top plan view of the device of the present invention for treating respiratory alkalosis in an intubated or tracheotomized patient;
FIG. 3 is a cross-sectional view of the device of the present invention for treating respiratory alkalosis in an intubated or tracheotomized patient;
FIG. 4 is a view showing the use of the apparatus for treating respiratory alkalosis in a tracheostomy or tracheotomy patient according to the invention;
FIG. 5 is a schematic view of a patient wearing the apparatus for treating respiratory alkalosis in a tracheostomy or tracheotomy patient in an end-of-breath state;
FIG. 6 is a schematic view of a patient wearing the apparatus for treating respiratory alkalosis in a tracheostomy or tracheotomy patient in an end-tidal state;
FIG. 7 is an enlarged view of a portion of area A of FIG. 4;
fig. 8 is a partially enlarged view of the region B in fig. 5.
In the figure: the device comprises a container body 1, an expansion pipe 2, an artificial airway joint 3, an oxygen supply pipe 4, an adjusting cavity 5, an air passage 6, an air ventilation adjusting valve 7, a connecting pipeline 8, an oxygen supply joint 9, an endotracheal tube 10, an air bag 11, an inflation joint 12, a breathing machine joint 13, a carbon dioxide detection interface at the end of expiration 14, a sealing cap 15, a patient 16, an expiration volume 17, an inspiration volume 18, an outer cylinder 19, a fixed semicircle 20, a movable semicircle 21, a cylinder 22, a connecting rod 23 and a rotating shaft 24.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in figures 1, 2 and 3, the device for treating respiratory alkalosis of a tracheal intubation patient or a tracheotomy patient is respectively provided with a front view, a top view and a cross section, figure 4 is a using state view, the device for treating respiratory alkalosis of the tracheal intubation patient or the tracheotomy patient consists of a container body 1, an extension tube 2, an artificial airway joint 3, an oxygen supply tube 4 and a ventilation regulating valve 7, a regulating cavity 5 is arranged inside the container body 1, and the regulating cavity 5 is used for containing gas inhaled and exhaled by the tracheal intubation patient. The artificial airway is connected with a tracheal cannula or an tracheostomy cannula. The telescopic pipe 2 and the oxygen supply pipe 4 are respectively arranged at two ends of the container body 1, the inside of the telescopic pipe 2 is provided with an air duct 6, the adjusting cavity 5 is communicated with the outside through the air duct 6, and the length of the telescopic pipe 2 is adjustable. The tail end of the extension tube 2 is provided with a ventilation adjusting valve 7, and the opening size of the ventilation adjusting valve 7 can be adjusted so as to change the opening size of the part where the air duct 6 is communicated with the outside.
The one end of oxygen supply pipe 4 shown is connected with container body 1, and the other end is provided with oxygen suppliment and connects 9, and oxygen suppliment connects 9 and is connected with adjustable flow's oxygen supply unit, and oxygen supply pipe 4 is arranged in letting in oxygen to adjusting chamber 5. Through the oxygen supply device with adjustable flow, the oxygen flow introduced into the oxygen supply pipe 4 is changed, and then the oxygen content in the adjusting cavity 5 can be adjusted.
An artificial airway adapter 3 is shown disposed at the bottom of the container body 1. the artificial airway adapter 3 is connected to the distal end of a patient's endotracheal tube 10 (illustrated as an endotracheal tube 10, or tracheostomy tube for tracheotomized patients) to allow communication between the patient's endotracheal tube 10 and the adjustment lumen 5 in the container body 1. As shown in fig. 4, the illustrated tracheal cannula 10 is provided with an air bag 11 and an inflation connector 12 for inflating the air bag 11, and the end of the tracheal cannula 10 is provided with a ventilator connector 13, and when a patient needs to receive a ventilator, the tracheal cannula is connected with the ventilator through the ventilator connector 13. After the trachea cannula 10 is inserted into the trachea of a patient, the air bag 11 is inflated through the inflation connector 12, so that the outer wall of the air bag 11 is contacted with the inner wall of the trachea of the patient, and the lung of the patient passes through the inner cavity of the trachea cannula 10 and the adjusting cavity 5.
The artificial airway connector 3 is provided with a bypass flow type end-tidal carbon dioxide detection interface 14 communicated with the artificial airway connector, the end-tidal carbon dioxide detection interface 14 is further provided with a blocking cap 15, and when the end-tidal carbon dioxide detection is not needed, the end-tidal carbon dioxide detection interface 14 is blocked by the blocking cap 15. The end-tidal carbon dioxide detection interface 14 is connected with an end-tidal carbon dioxide monitoring module on the monitoring instrument through a connecting pipeline 8, so that the end-tidal carbon dioxide of the patient can be detected.
When the artificial airway joint 3 on the container body 1 is connected with the tracheal cannula 10 of a patient, the communication between the adjusting cavity 5 in the container body 1 and the tracheal cannula 10 is realized, and the gas inhaled and exhaled by the patient is stored in the adjusting cavity 5; when the ventilation regulating valve 7 at the tail end of the extension tube 2 is in the minimum cut-off state, the ventilation channel 6 can be communicated with the outside so as to avoid suffocation of patients under the condition that the oxygen supply tube 4 does not supply oxygen.
As shown in fig. 7 and 8, which respectively show a partial enlarged view of the area a in fig. 4 and a partial enlarged view of the area B in fig. 5, the ventilation regulating valve 7 is composed of an outer cylinder 18, a knob 19, a fixed semicircle 20, a movable semicircle 21, a cylinder 22, a connecting rod 23 and a rotating shaft 24, the outer wall of the outer cylinder 18 is fixed at the end of the telescopic tube 2, the fixed semicircle 20 and the movable semicircle 21 are both located in the outer cylinder 18, and the arc-shaped edge of the fixed semicircle 20 is fixed on the inner wall of the outer cylinder 18. The cylinder 22 is positioned at the central position of the inner cavity of the outer cylinder 18, the cylinder 22 is connected with the inner wall of the outer cylinder 18 through 3 connecting rods 23, a through hole is formed in the center of the cylinder 22, and the knob 19 is connected with the center of the right-angle edge of the movable semicircle 21 through the through hole in the cylinder 22; thus, the size of the overlapping area of the fixed semicircle 20 and the movable semicircle 21 can be adjusted by rotating the knob 19, and the size of the opening of the ventilation adjusting valve 7 is adjusted, thereby realizing the size adjustment of the connecting opening of the ventilation channel 6 and the outside.
As shown in fig. 5 and fig. 6, which respectively show the schematic diagrams of the patient in the end-inspiration state and the end-expiration state of the patient wearing the apparatus for treating respiratory alkalosis of the patient with trachea intubation or tracheotomy, when in use, the artificial airway joint 3 on the container body 1 is firstly connected with the respirator joint 13 on the trachea intubation 10 of the patient, and the communication between the trachea of the lung of the patient and the adjusting cavity 5 through the trachea intubation 10 is realized. During the respiratory alkalosis treatment of a patient with tracheal intubation, firstly, the telescopic tube 2 is adjusted to a proper length, the oxygen supply tube 4 is connected with an oxygen supply device with adjustable flow, the blood oxygen saturation degree is enabled to reach a proper level by adjusting the oxygen flow, exhaled gas in the respiratory adjusting cavity 5 of the container body 1 is stored in the tracheal intubation patient 16 during respiration, the patient exhales the gas in the volume communicated with the respiratory and inspiratory volume 17 in the ventilation channel 6 only in the process of exhalation, the patient inhales the gas in the adjusting cavity 5 during inhalation, and after a plurality of breaths, the CO in the adjusting cavity 5 is absorbed by the patient2The partial pressure will rise, causing the patient to inhale CO in the gas2The partial pressure is increased to realize the arterial blood CO of the patient2The partial pressure is increased, and finally the treatment of respiratory alkalosis of the tracheal intubation patient 16 can be realized.

Claims (4)

1. An appliance for treating respiratory alkalosis of a patient with trachea cannula or tracheotomy comprises a container body (1), an extension tube (2), an oxygen supply tube (4) and an artificial airway joint (3), wherein the inside of the container body is provided with an adjusting cavity (5) for containing gas inhaled and exhaled by the patient with trachea cannula or tracheotomy tube; the method is characterized in that: the telescopic pipe and the oxygen supply pipe are respectively arranged at two ends of the container body, the artificial air flue joint is arranged below the container body, the length of the telescopic pipe is adjustable, an air duct (6) for communicating the adjusting cavity with the outside is arranged inside the telescopic pipe, and the tail end of the telescopic pipe is provided with an air ventilation adjusting valve (7) for adjusting the size of an opening for communicating the air duct with the outside; one end of the oxygen supply pipe is communicated with the adjusting cavity (5) in the container body, the other end of the oxygen supply pipe is provided with an oxygen supply joint (9), and the oxygen supply joint is connected with an oxygen supply device with adjustable flow; the artificial airway joint is used for being connected with a tracheal cannula (10) or an tracheostomy cannula of a patient so as to realize the communication between the adjusting cavity (5) and the tracheal cannula; the expired gas of the patient temporarily exists in the adjusting cavity (5), and the partial pressure of carbon dioxide in the expired gas of the patient is increased after the expiration and the expiration of a plurality of times, so as to treat the respiratory alkalosis symptom of the patient with the tracheal cannula.
2. The apparatus for treating respiratory alkalosis in a tracheostomy or tracheotomy patient according to claim 1, wherein: the artificial airway joint (3) is provided with a bypass flow type end-tidal carbon dioxide detection interface (14) communicated with the artificial airway joint, the end-tidal carbon dioxide detection interface is provided with a blocking cap (15) for blocking the end-tidal carbon dioxide detection interface, and the end-tidal carbon dioxide detection interface is connected with an end-tidal carbon dioxide monitoring module on a monitoring instrument through a connecting pipeline (8).
3. The apparatus for treating respiratory alkalosis of a tracheostomy or tracheotomy patient according to claim 1 or 2, characterized in that: when the ventilation regulating valve (7) is in the minimum closing state, the ventilation regulating valve still has a certain opening to ensure that the regulating cavity (5) is communicated with the outside all the time through the ventilation channel (6) of the telescopic pipe (2), and the suffocation of a patient under the condition that the oxygen supply pipe (4) is not filled with oxygen is avoided.
4. The apparatus for treating respiratory alkalosis of a tracheostomy or tracheotomy patient according to claim 1 or 2, characterized in that: the ventilation regulating valve (7) consists of an outer cylinder (18), a knob (19), a fixed semicircle (20), a movable semicircle (21) and a cylinder (22), wherein the outer wall of the periphery of the outer cylinder is fixed at the end part of the telescopic pipe (2), the fixed semicircle is fixed on the inner wall of the outer cylinder, the cylinder is positioned at the central position in the outer cylinder (18), and the cylinder is connected with the inner wall of the outer cylinder through a plurality of connecting rods; a through hole is formed in the center of the cylinder, a rotating shaft (24) penetrates through the through hole of the cylinder, the outer end of the rotating shaft is connected with the knob, and the inner end of the rotating shaft is connected with the center of the straight edge of the movable semicircle (21); the overlapping area of the movable semicircle and the fixed semicircle is adjusted by rotating the knob, so as to adjust the opening size of the ventilation adjusting valve (7).
CN202110261384.2A 2021-03-10 2021-03-10 Appliance for treating respiratory alkalosis of patient undergoing tracheal intubation or tracheotomy Pending CN112957579A (en)

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Application Number Priority Date Filing Date Title
CN202110261384.2A CN112957579A (en) 2021-03-10 2021-03-10 Appliance for treating respiratory alkalosis of patient undergoing tracheal intubation or tracheotomy

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Application Number Priority Date Filing Date Title
CN202110261384.2A CN112957579A (en) 2021-03-10 2021-03-10 Appliance for treating respiratory alkalosis of patient undergoing tracheal intubation or tracheotomy

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114849007A (en) * 2022-05-05 2022-08-05 广州蓝仕威克医疗科技有限公司 Method and system for solving over ventilation based on respirator device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204684384U (en) * 2015-06-04 2015-10-07 张建富 Tracheal intubation inhalation device
CN211798142U (en) * 2019-12-30 2020-10-30 贵州中医药大学第一附属医院 Special oxygen mask for emergency respiratory alkalosis patient
CN112057279A (en) * 2020-09-17 2020-12-11 山东大学齐鲁医院 Noninvasive ventilator hood

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204684384U (en) * 2015-06-04 2015-10-07 张建富 Tracheal intubation inhalation device
CN211798142U (en) * 2019-12-30 2020-10-30 贵州中医药大学第一附属医院 Special oxygen mask for emergency respiratory alkalosis patient
CN112057279A (en) * 2020-09-17 2020-12-11 山东大学齐鲁医院 Noninvasive ventilator hood

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114849007A (en) * 2022-05-05 2022-08-05 广州蓝仕威克医疗科技有限公司 Method and system for solving over ventilation based on respirator device

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Application publication date: 20210615