CN107233644B - Ventilator tubing and endotracheal intubation protection devices - Google Patents
Ventilator tubing and endotracheal intubation protection devices Download PDFInfo
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- CN107233644B CN107233644B CN201710524817.2A CN201710524817A CN107233644B CN 107233644 B CN107233644 B CN 107233644B CN 201710524817 A CN201710524817 A CN 201710524817A CN 107233644 B CN107233644 B CN 107233644B
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- 238000002627 tracheal intubation Methods 0.000 title abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 107
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 31
- 238000009423 ventilation Methods 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 16
- 210000003437 trachea Anatomy 0.000 claims description 21
- 229920000742 Cotton Polymers 0.000 claims description 7
- 230000003434 inspiratory effect Effects 0.000 claims description 5
- 229920001875 Ebonite Polymers 0.000 claims description 4
- 230000001012 protector Effects 0.000 claims 5
- 210000004072 lung Anatomy 0.000 abstract description 11
- 241000894006 Bacteria Species 0.000 abstract description 7
- 238000009395 breeding Methods 0.000 abstract description 3
- 230000001488 breeding effect Effects 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 206010036790 Productive cough Diseases 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 6
- 208000024794 sputum Diseases 0.000 description 6
- 210000003802 sputum Anatomy 0.000 description 6
- 206010011224 Cough Diseases 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 210000001533 respiratory mucosa Anatomy 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000036407 pain Effects 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 208000032376 Lung infection Diseases 0.000 description 1
- 208000004756 Respiratory Insufficiency Diseases 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 201000003144 pneumothorax Diseases 0.000 description 1
- 201000004193 respiratory failure Diseases 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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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. ventilators; 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. ventilators; 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. ventilators; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0402—Special features for tracheal tubes not otherwise provided for
-
- 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. ventilators; Tracheal tubes
- A61M16/22—Carbon dioxide-absorbing devices ; Other means for removing carbon dioxide
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
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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)
Abstract
本发明申请公开了一种呼吸机管道和气管插管保护装置，包括保护盒、水囊和进水单向阀，保护盒的内部设有挡板；挡板的一端设有吸气单向阀，挡板的另一端呼气单向阀，挡板上设有的导流槽，水囊固定在挡板内凹的一侧；保护盒设有通气管，通气管内部设有隔板，隔板将通气管分为吸气管和呼气管；吸气管的内设有空气过滤器，吸气管内的隔板上铰接设有第一阻板，呼气管内的隔板铰接设有第二阻板。与现有技术相比，本装置对呼吸机使用过程中产生的凝结水有效进行了处理，有效防止凝结水流入病人肺部，导致病人病情严重；同时本装置在病人呼吸过程中可持续进行清洁，有效防止本装置内细菌滋生影响病人病情。
The application of the present invention discloses a ventilator pipeline and tracheal intubation protection device, comprising a protection box, a water bag and a water inlet one-way valve, a baffle plate is arranged inside the protection box; one end of the baffle plate is provided with an inhalation one-way valve , the other end of the baffle is an exhalation one-way valve, the baffle is provided with a diversion groove, and the water bladder is fixed on the concave side of the baffle; The board divides the ventilation pipe into an inhalation pipe and an exhalation pipe; an air filter is arranged in the inhalation pipe, a first baffle is hinged on the partition in the inhalation pipe, and a second baffle is hinged on the partition in the exhalation pipe. Two baffles. Compared with the prior art, the device effectively treats the condensed water generated during the use of the ventilator, effectively preventing the condensed water from flowing into the patient's lungs and causing the patient to be seriously ill; at the same time, the device can be continuously cleaned during the patient's breathing. , effectively prevent the bacteria in the device from breeding and affecting the patient's condition.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly discloses a respirator pipeline and tracheal intubation protection device.
Background
When the natural ventilation and oxygenation of the patient are obstructed, a breathing machine is needed to assist the patient to breathe, and effective ventilation is recovered. In modern clinical medicine, a ventilator has been widely used in respiratory failure due to various reasons, anesthesia and breathing management during major surgery, respiratory support therapy and emergency resuscitation as an effective means for manually replacing the function of spontaneous ventilation, and has a very important position in the modern medical field.
When a patient uses the respirator, inspiration and expiration pass through the respirator pipeline, a certain amount of water vapor is contained in the gas exhaled by the patient, the water vapor in the exhaled gas forms condensed water when meeting the respirator pipeline with the temperature lower than the body temperature of the patient, and the condensed water easily flows into the tracheal intubation along the respirator pipeline (particularly the pipeline close to the tracheal intubation) and enters the lung of the patient.
Meanwhile, in order to protect the respiratory mucosa of a patient, the existing breathing machine is provided with a humidifying device to humidify the gas (containing certain water vapor) entering the body of the patient; when water vapor in the inhaled air condenses in the ventilator circuit, the condensed water is also likely to enter the patient's lungs along the ventilator circuit (especially the section of the circuit near the endotracheal tube).
The condensed water flows into the lung, and the stimulation of foreign matters can cause the patient to choke, easily hurt the lung and the respiratory mucosa, and the severe cough aggravates the pain of the patient. When the condensed water flows through the pipeline of the respirator and the tracheal cannula, bacteria on the inner wall of the pipeline are easy to carry and enter the lung to form bacterial planting, so that the lung of a patient is infected.
When a patient coughs, expectorated sputum may be sprayed into the ventilator tube and may be blocked in the tracheal cannula or the connection between the tracheal cannula and the ventilator tube or the ventilator tube, thereby affecting effective respiration of the patient. The sputum can also flow back into the patient along the breathing machine pipeline and the tracheal cannula, so that the patient is caused to cough violently, and vicious circle is formed; the lung and the respiratory mucosa are damaged, the pain of a patient is increased, the risk of lung infection is aggravated, and adverse consequences such as pneumothorax, large lung blister and the like of the patient are caused by severe cough in severe cases. In addition, after the breathing machine is used for a long time, bacteria are easy to breed in the breathing machine pipeline, and the health of a patient is also influenced if the bacteria are not cleared in time.
Disclosure of Invention
The invention aims to provide a respirator pipeline and tracheal intubation protection device, which aims to solve the problem that the health of a patient is influenced by easily condensed water in the respirator pipeline or the tracheal intubation in the use process of the conventional respirator.
In order to achieve the purpose, the basic scheme of the invention is as follows: the respirator pipeline and trachea cannula protection device comprises a protection box, a water bag and a water inlet one-way valve, wherein the protection box, the water bag and the water inlet one-way valve are hermetically communicated between the respirator pipeline and a trachea cannula; one end of the baffle is provided with an inspiration one-way valve for one-way ventilation during inspiration, the other end of the baffle is provided with an expiration one-way valve for one-way ventilation during expiration, and a guide groove is arranged on the concave surface of the baffle; the water bag is fixed on one side of the concave part of the baffle plate, the water bag is communicated with a condensate pipe of the respirator through a water inlet one-way valve, and a water discharge one-way valve is arranged on the surface of the water bag; a breather pipe is arranged at the joint of the interior of the protection box and the trachea cannula, a clapboard is arranged in the breather pipe, and the clapboard divides the breather pipe into an inspiration pipe and an expiration pipe; an air filter is arranged in the air suction pipe, a first baffle plate is hinged to one side, facing the air suction pipe, of the partition plate, and the first baffle plate can only swing at one side, facing the trachea cannula, of the air suction pipe; a second baffle plate is hinged on one side of the partition plate facing the inside of the expiratory tube, and the second baffle plate can only swing on one side far away from the tracheal cannula in the expiratory tube; the lower end of one side of the protection box close to the trachea cannula is provided with a water outlet pipe.
The working principle of the basic scheme is as follows: particularly, when the respirator pipeline and the tracheal intubation protection device are used, namely when a patient uses the respirator with the protection device; if a patient inhales or a breathing machine supplies air to the patient, negative pressure can be generated in the tracheal intubation, and the first baffle plate can only swing towards one side of the tracheal intubation in the inspiratory tube, so that the first baffle plate can rotate along the partition plate to be opened under the action of air pressure, and the air inhaled into the patient can sequentially pass through a breathing machine pipeline, a protection box, an inspiration one-way valve, an air filter, an inspiratory tube and the tracheal intubation and enter the patient; if a patient exhales or a breathing machine inhales, the first baffle plate is closed and the second baffle plate is opened due to the arrangement mode of the first baffle plate and the second baffle plate, and exhaled gas sequentially passes through the exhalation tube, the protection unit, the exhalation one-way valve and the breathing machine pipeline and flows back to the exhalation machine.
When a patient exhales or a breathing machine supplies air to the patient, the air exhaled by the patient enters the protection unit through the exhalation pipe, and most of the exhaled air firstly contacts the baffle plate because the arc-shaped baffle plate is arranged in the protection unit, so that water vapor carried by the exhalation air is condensed into water in the baffle plate; because the baffle is provided with the diversion trench, water flows down along the diversion trench, thereby preventing condensed water formed by water vapor from entering human bodies during inspiration. The gas exhaled by the patient enters the protective box, the pressure at one end of the protective unit close to the tracheal cannula is increased, a condensed water pipeline of the respirator is communicated with the water bag through a water inlet one-way valve, and a water drainage one-way valve is arranged on the surface of the water bag; therefore, condensed water can only flow out of the drainage one-way valve on the surface of the water bag, and the surface of the baffle and the inside of the protection box can be cleaned by the outflow of the condensed water; because the lower end of the protection box, which is positioned at one side of the trachea cannula, is provided with the water outlet pipe, the water in the protection box can flow out through the water outlet pipe. In addition, one end of the baffle is provided with an expiratory one-way valve which can ventilate in one way during expiration, and the expired gas can return to the respirator through the one-way valve; because the exhaled air contains a large amount of carbon dioxide, part of the carbon dioxide will be dissolved in the condensed water and flow out of the protective box along with the water, so that the carbon dioxide generated in the breathing process is effectively treated.
When a patient inhales or a ventilator causes the patient to inhale, the absorbed gas will pass through an air filter, which will filter harmful impurities in the inhalation. Meanwhile, in the air suction process, due to the fact that negative pressure exists at one end, close to the tracheal cannula, of the interior of the protection unit, the condensed water is sucked into the water sac for the next time of cleaning the protection box.
The beneficial effect of this basic scheme lies in: the respirator pipeline and trachea cannula protection device effectively prevents water vapor generated by expiration from condensing into water and then flowing back to the lung of a patient, so that the patient is choked; the condensed water in the respirator is also prevented from flowing into the patient body under the action of inspiration to choke the patient. This protection device can inhale the inside of protection unit with the comdenstion water in the breathing machine in the use to wash protection box inside, make the bacterium of this protection device inner wall in the use by timely effectual washing. In using the breathing machine in-process, if patient coughs and produces the sputum, the sputum also can in time be washd away through expiration pipe entering protection unit, effectively prevents to take place the condition that leads to patient's state of an illness to aggravate not in time handling under the condition that has the sputum. The device does not need other power, can treat the condensed water generated in the breathing process of the patient only by the breathing of the patient or the breathing of the patient by the breathing machine, and continuously cleans the protective box body, thereby effectively reducing bacteria generated in the breathing process of the patient; bacteria are prevented from breeding in the protective box, the breathing machine pipeline and the tracheal cannula, so that the health of a patient is prevented from being influenced by the use of the breathing machine. Compared with the prior art, the device effectively treats the condensed water generated in the using process of the breathing machine, and effectively prevents the condensed water from flowing into the lung of a patient to cause serious illness of the patient; meanwhile, the device can be continuously cleaned in the breathing process of the patient, and the condition of the patient is effectively prevented from being influenced by bacterial breeding in the device.
The first preferred scheme is as follows: as the optimization of the basic scheme, a flow limiting valve is arranged on the water outlet pipe. The flow limiting valve can adjust the water outflow speed in the protection box, and prevent the gas breathed by the patient from flowing in and out from the water outlet pipe after the water in the protection box flows out completely.
The preferred scheme II is as follows: preferably, the lower part of the protection box is transversely provided with absorbent cotton which is supported by porous sponge. The cotton that absorbs water and when avoiding this device to take place to incline or invert in the use, the ponding that washs protection box inside flows everywhere in the protection box.
The preferable scheme is three: preferably, as the basis scheme, the breather pipe stretches into the protection box, and the tip of breather pipe is close to inspiration check valve department. One side of the vent pipe, which is positioned in the protective box, is suspended, so that water in the protective box cannot flow into the vent pipe; further enabling the gas inhaled by the patient during expiration to be the gas provided by the respirator.
The preferable scheme is four: preferably, the ventilation pipe is oval, the first baffle plate and the second baffle plate are both larger than the semi-oval cross sections of the inhalation pipe and the exhalation pipe, and the short axis of the semi-oval cross sections is consistent with the width of the partition plate. This structure is convenient for design and manufacture.
The preferable scheme is five: preferably, the first baffle plate and the second baffle plate are both made of hard rubber, and the thickness of the first baffle plate and the second baffle plate is 0.2-0.8 mm. The first baffle plate and the second baffle plate can seal and close the breathing tube and the expiration tube when rotating by the hard rubber, and the first baffle plate and the second baffle plate have the thickness of 0.2-0.8mm, so that the first baffle plate and the second baffle plate have lighter mass, have lighter friction with the inner wall of the breathing tube, and are more beneficial to the breathing of patients.
The preferable scheme is six: preferably, the flow guide grooves are multiple, and the flow guide grooves are vertically arranged on the baffle. The water in the protection box is convenient to drain from a plurality of directions, and the water in the protection box is more convenient to drain to the water outlet pipe.
The preferable scheme is seven: preferably, the air filter is located on a side of the suction pipe close to the baffle, and the first blocking plate is located on a side of the suction pipe far from the baffle. Prevent the generated gas from entering the air suction pipe during exhalation and also prevent sputum and the like generated during choking from entering the air suction pipe to pollute the air suction pipe.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a ventilator tube and endotracheal tube protection device of the present invention.
Detailed Description
The present invention will be described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: the respiratory device comprises a protection box 10, a baffle plate 11, an inspiration one-way valve 111, an expiration one-way valve 112, a diversion trench 113, a water sac 12, a drainage one-way valve 121, a ventilation pipe 13, an inspiration pipe 131, a filter 1311, a first baffle 1312, an expiration pipe 132, a second baffle 1321, a water outlet pipe 14, a flow limiting valve 141, absorbent cotton 15, a respirator pipeline 20 and an endotracheal tube 30.
As shown in figure 1, the respirator pipeline and trachea cannula protection device comprises a protection box 10 and a water sac 12, wherein the front end of the protection box is communicated with a trachea cannula 30, and the rear end of the protection box 10 is communicated with a respirator pipeline 20 through a ventilation pipe 13. A baffle plate 11 is fixed in the middle of the protection box 10, and the baffle plate 11 is positioned between the tracheal cannula 30 and the respirator pipeline 20 and separates the tracheal cannula 30 from the respirator pipeline 20; the baffle 11 is arc-shaped, and the inward concave direction of the baffle 11 faces one side of the tracheal cannula 30; the left part of the baffle plate 11 is provided with an inspiration one-way valve 111 for one-way ventilation during inspiration, the right part of the baffle plate 11 is provided with an expiration one-way valve 112 for one-way ventilation during expiration, a plurality of guide grooves 113 are arranged on the concave surface of the baffle plate 11, and the guide grooves 113 are vertically arranged on the baffle plate 11. The water bag 12 is fixed on the concave side of the baffle plate 11, the surface of the water bag 12 is provided with a drainage one-way valve 121, and the water bag 12 is communicated with a condensate pipe of the respirator through a water inlet one-way valve.
The vent pipe 13 is oval, one end of the vent pipe 13 extends into the protection box 10, and the end part of the vent pipe is close to the air suction one-way valve 111; a partition is provided inside the ventilation tube 13, and the partition divides the ventilation tube 13 into an inhalation tube 131 and an exhalation tube 132. An air filter 1311 is arranged in the air suction pipe 131, a first baffle 1312 is hinged to one side of the partition plate facing the inside of the air suction pipe 131, the first baffle 1312 is obliquely arranged in the air suction pipe 131, and the included angle between the first baffle 1312 and the hinged part of the partition plate is positioned on one side of the trachea cannula 30, so that the first baffle 1312 can only swing on one side facing the trachea cannula 30 in the air suction pipe 131; air filter 1311 is located on the side of air intake pipe 131 closer to baffle 11, and first baffle 1312 is located on the side of air intake pipe 131 farther from baffle 11. A second blocking plate 1321 is hinged to one side of the partition plate facing the inside of the expiration pipe 132, the second blocking plate 1321 is obliquely arranged in the expiration pipe 132, and the included angle between the hinged part of the second blocking plate 1321 and the partition plate is positioned on one side far away from the endotracheal tube 30, so that the second blocking plate 1321 can only swing on one side far away from the endotracheal tube 30 in the expiration pipe 132. The first 1312 and second 1321 baffles are each larger than the semi-elliptical cross-sections of the inhalation 131 and exhalation 132 ducts, respectively, with the minor axis corresponding to the width of the partition; the first block 1312 and the second block 1321 are made of hard rubber and have a thickness of 0.2-0.8 mm.
The lower end of one side of the protection box 10 close to the trachea cannula 30 is provided with a water outlet pipe 14, and the end part of the water outlet pipe 14 is provided with a flow limiting valve 141 for adjusting the speed of water flowing out of the protection box 10. The lower part of the protection box 10 is transversely provided with absorbent cotton 15, and the absorbent cotton 15 is supported by porous sponge. The water absorption cotton 15 can prevent accumulated water in the cleaning protection box 10 from pouring out and flowing when the device is inclined or inverted in the using process.
When the device is used, the device is arranged between the respirator pipeline 20 and the trachea cannula 30; if a patient inhales or a respirator supplies air to the patient, negative pressure is generated in the tracheal intubation 30, the first blocking plate 1312 rotates along the partition plate to be opened under the action of air pressure, and the air inhaled into the patient sequentially passes through the respirator pipeline 20, the protection box 10, the inspiration check valve 111, the air filter 1311, the inspiration pipe 131 and the tracheal intubation 30 and enters the patient; when the patient exhales or the ventilator breathes the patient, the exhaled gas will pass through the exhalation tube 132, the protection unit, the exhalation check valve 112, the ventilator circuit 20 in order, and flow back into the ventilator.
When patient exhales or the breathing machine is supplied air for patient, the gas that patient expired will get into inside the protection unit through exhaling pipe 132, because the inside curved baffle 11 that is equipped with of protection unit, the gaseous most elder generation of exhaling contacts baffle 11, and the vapor that the expiration was taken will condense into water in one side of baffle 11 indent. The condensed water on the baffle 11 will flow down along the guiding groove 113 and flow out from the water outlet pipe 14 at the lower part of the protection box 10, thereby effectively preventing the condensed water formed by the water vapor from entering the human body when inhaling. The gas exhaled by the patient enters the protection box 10, the pressure at one end of the protection unit close to the tracheal cannula 30 is increased, a condensed water pipeline of the respirator is communicated with the water bag 12 through a water inlet one-way valve, and a water drainage one-way valve 121 is arranged on the surface of the water bag 12; so that the condensed water can only flow out from the drainage check valve 121 on the surface of the water bag 12, and the surface of the baffle plate 11 and the inside of the protection box 10 can be cleaned by the flowing-out of the condensed water; because the lower end of the interior of the protection box 10, which is positioned at one side of the tracheal cannula 30, is provided with the water outlet pipe 14, water in the protection box 10 can flow out through the water outlet pipe 14. In addition, one end of the baffle plate 11 is provided with an expiration one-way valve 112 which is used for one-way ventilation during expiration, and expired gas can return to the respirator through the one-way valve; since the exhaled air contains a large amount of carbon dioxide, part of the carbon dioxide will dissolve in the condensed water and flow out of the protective case 10 with the water, so that the carbon dioxide generated during respiration is effectively treated.
When a patient inhales or the ventilator causes the patient to inhale, the inhaled gas will pass through the air filter 1311, and the air filter 1311 will filter harmful impurities in the inhalation gas. Meanwhile, during the suction process, due to the negative pressure existing at one end of the protection unit close to the endotracheal tube 30, the condensed water is sucked into the water sac 12 for the next time of cleaning the protection box 10. During the use of the device, the speed of water flowing out of the protective box 10 can be adjusted through the flow limiting valve 141, so that water is always present in the protective box 10, and the phenomenon that the water is not present in the ventilating pipe 13 and the gas breathed by the patient enters and exits from the water outlet pipe 14 is prevented. If the protective case 10 is tilted or inverted during use of the present device, water inside the protective case 10 can be absorbed by the absorbent pad 15, thereby preventing accumulated water inside the protective case 10 from flowing around inside the protective case 10.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. The respirator pipeline and trachea cannula protection device comprises a protection box which is hermetically communicated between the respirator pipeline and a trachea cannula, wherein a baffle for separating the respirator pipeline from the trachea cannula is arranged inside the protection box, the baffle is arc-shaped, and the inwards concave direction of the baffle faces to one side of the trachea cannula; one end of the baffle is provided with an inspiration one-way valve for one-way ventilation during inspiration, the other end of the baffle is provided with an expiration one-way valve for one-way ventilation during expiration, and a guide groove is arranged on the concave surface of the baffle; the respirator is characterized by further comprising a water bag and a water inlet one-way valve, wherein the water bag is fixed on one side of the baffle, which is concave inwards, the water bag is communicated with a condensate pipe of the respirator through the water inlet one-way valve, and a water drainage one-way valve is arranged on the surface of the water bag; a breather pipe is arranged at the joint of the interior of the protection box and the trachea cannula, a clapboard is arranged in the breather pipe, and the clapboard divides the breather pipe into an inspiration pipe and an expiration pipe; an air filter is arranged in the air suction pipe, a first baffle plate is hinged to one side, facing the air suction pipe, of the partition plate, and the first baffle plate can only swing at one side, facing the trachea cannula, of the air suction pipe; a second baffle plate is hinged to one side of the partition plate facing into the expiratory tube, and the second baffle plate can only swing at one side far away from the tracheal cannula in the expiratory tube; a water outlet pipe is arranged at the lower end of one side of the protection box close to the trachea cannula; the lower part of the protection box is transversely provided with absorbent cotton which is supported by porous sponge; the breather pipe stretches into in the protection box, and the tip of breather pipe is close to the check valve department of breathing in.
2. The ventilator circuit and endotracheal tube protector as in claim 1, wherein said outlet tube is provided with a flow restriction valve.
3. The ventilator circuit and endotracheal tube protector of claim 1 wherein the ventilation tube is oval in shape, and the first and second baffles are each larger than a semi-oval of the cross-section of the respective inspiratory and expiratory tube, the minor axis of which corresponds to the width of the baffle.
4. The ventilator circuit and endotracheal tube protector as in claim 3, characterized in that said first and second baffles are both made of hard rubber and have a thickness of 0.2-0.8 mm.
5. The ventilator circuit and endotracheal tube protector as in claim 1, wherein said channels are a plurality of channels, said channels being vertically disposed on said baffle.
6. The ventilator circuit and endotracheal tube protector as in claim 1, wherein the air filter is located in the inspiratory tube on a side thereof adjacent the baffle, and the first baffle is located in the inspiratory tube on a side thereof remote from the baffle.
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| CN201710524817.2A CN107233644B (en) | 2017-06-30 | 2017-06-30 | Ventilator tubing and endotracheal intubation protection devices |
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| CN107233644B true CN107233644B (en) | 2020-05-12 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115970120B (en) * | 2022-12-16 | 2025-01-14 | 深圳融昕医疗科技有限公司 | One-way valve for ventilator |
| CN116212174A (en) * | 2022-12-22 | 2023-06-06 | 深圳融昕医疗科技有限公司 | Ventilator, its control method, and main control device |
| CN116492555A (en) * | 2023-03-01 | 2023-07-28 | 南通市第一老年病医院(上海大学附属南通医院、南通市第六人民医院、南通市肺科医院) | anesthesia catheter |
| CN116549796B (en) * | 2023-05-16 | 2025-10-03 | 中国人民解放军空军军医大学 | A device for preventing condensation water backflow in ventilator pipelines |
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