CN109821127B - Intelligent breathing filter device - Google Patents

Intelligent breathing filter device Download PDF

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Publication number
CN109821127B
CN109821127B CN201811194711.1A CN201811194711A CN109821127B CN 109821127 B CN109821127 B CN 109821127B CN 201811194711 A CN201811194711 A CN 201811194711A CN 109821127 B CN109821127 B CN 109821127B
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oxygen
filtering
component
filtering component
inner cavity
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CN109821127A (en
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杜娥
王飞龙
刘建国
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Beijing Winsunny Harmony Science And Technology Co ltd
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Beijing Winsunny Harmony Science And Technology Co ltd
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Abstract

The invention provides an intelligent breathing filter device, which belongs to the technical field of medical equipment and comprises a cover body, a base body, a filter assembly and a protective cover, wherein the filter assembly is accommodated in a shell cavity defined by the cover body and the base body, after the cover body is separated from the base body, the protective cover continuously protects the filter assembly, a protective cover connecting port is arranged on the protective cover, a plurality of oxygen passages are arranged on the base body, the protective cover connecting port is selectively communicated with one oxygen passage, the oxygen flow is regulated, the device can be connected with a breathing machine for use, the cover body can be dismantled for use in connection with an endotracheal tube, and the filter assembly is connected stably under the protection of the protective cover, so that the technical effect of regulating the oxygen flow is achieved.

Description

Intelligent breathing filter device
Technical Field
The invention relates to an intelligent breathing filter device which is used for air filtration, heating and humidifying of an artificial breathing airway, oxygen flow regulation and intelligent monitoring, and belongs to the technical field of medical appliances.
Background
Clinically, medical personnel need to connect the artificial nose that is exclusively used in passive breathing between tracheotomy intubate and breathing machine when carrying out the anesthesia operation, postoperative patient is in anesthesia recovery period, along with anesthesia degree of depth is reduced, sensation and motion function gradually resume, appear faint autonomous respiration, need remove the breathing machine this moment, connect the artificial nose that is exclusively used in initiative breathing between tracheotomy intubate and oxygen therapy device, make the oxygen in external gas or the oxygen therapy device get into patient respiratory through artificial nose at first, then through tracheotomy intubate, finally adjust oxygen flow or air inlet size through manual mode, realize outputting different oxygen concentration, in order to satisfy patient's oxygen inhalation demand. In addition, when the tracheostomy tube is bent, the airway resistance is increased, or the artificial nose and the tracheostomy tube are connected and fall off, the traditional artificial nose cannot give effective warning, and the gas condition inside the artificial nose cannot be monitored in real time. As can be seen from the above, the existing artificial nose product has a plurality of defects, firstly, the existing artificial nose product cannot simultaneously meet the requirements of patients on two states of anesthesia operation and anesthesia recovery, and the patients need to be replaced by artificial noses special for active respiration from anesthesia operation to recovery, so that the operation steps are complicated and complicated, the treatment cost is high, the economic burden of the patients is increased, and unnecessary medical resource waste is caused; secondly, pathogenic bacteria and viruses in the air in the hospital are easily inhaled into the body of a patient in the process of replacing the artificial nose, so that the respiratory system is infected, and the treatment effect is affected; thirdly, the oxygen concentration of the existing artificial nose product is manually adjusted, so that the workload of medical staff is increased, and the technical problem that the oxygen concentration cannot be quickly, accurately and timely adjusted exists; finally, the existing artificial nose does not have the function of monitoring the gas condition inside the artificial nose, cannot give the breathing data monitored by medical staff in real time, and assists the medical staff in treating patients.
Therefore, research and development personnel in the field are urgently required to develop an intelligent breathing filter device which is convenient and rapid to use, can effectively adjust oxygen concentration in time and has real-time monitoring breathing data.
Disclosure of Invention
The invention provides a respiratory filter device which can be connected with a respirator and can be independently connected with a tracheotomy cannula for use, and can accurately and effectively meet different oxygen concentration requirements of patients.
To achieve the above object, the present invention relates to a method comprising: the filter comprises a cover body, a seat body, a filter assembly and a protective cover, wherein the cover body comprises a cover body top wall, a cover body side wall and a cover body connecting port, and the cover body top wall is provided with an air inlet; the seat body comprises a seat body bottom wall, a seat body side wall and a seat body connecting port, wherein the seat body bottom wall is provided with an air outlet, the seat body connecting port is connected with a cover body connecting port, an inner cavity defined by the cover body and the seat body is a shell inner cavity, and the air inlet and the air outlet are respectively communicated with the shell inner cavity; the filtering component is positioned in the inner cavity of the shell, and gas enters the human respiratory system after being filtered by the filtering component; the safety cover includes the safety cover roof, safety cover lateral wall and safety cover connector, and the inner chamber that safety cover roof and safety cover lateral wall enclose is the safety cover inner chamber, and filter equipment is located inside the safety cover inner chamber, and the safety cover connector is connected with the pedestal, is equipped with the oxygen interface on the safety cover, is equipped with two piece at least oxygen passageway on the pedestal, and the one end and the safety cover oxygen interface intercommunication relatively of oxygen passageway, the other end and the gas outlet intercommunication of pedestal.
The lid adopts medical plastics material to mould plastics and makes, and this lid is the round cap shape, and round cap edge is round and smooth, and the appearance is small and exquisite light and handy, and the pedestal is the disc shape, and round disc edge is round and smooth, and the lid connector passes through threaded connection with the pedestal connector, forms the casing inner chamber, and filter component is located the casing inner chamber inside, prevents that filter component from receiving external destruction. The cover body is connected with the base body in a detachable connection mode such as a buckle connection mode, a bolt connection mode, an interference connection mode and the like, and a rubber sealing ring is arranged between the cover body connection port and the base body connection port for sealing. The air inlet of the cover body is used for being connected with the breathing machine, the outer edge of the air inlet is provided with an annular bulge, the annular bulge is used for fixing and connecting a pipeline of the breathing machine, the air inlet can be designed into a plurality of different calibers, and the air inlet is suitable for pipelines for breathing machines with different specifications. The gas outlet is used for connecting the tracheotomy cannula, the outer edge of the gas outlet is provided with an annular bulge, the annular bulge is used for fixing and connecting a pipeline of the tracheotomy cannula, the gas outlet can be designed into various different calibers, and the gas outlet is suitable for pipelines for the tracheotomy cannula with different specifications. The filter component is made of one of sponge, corrugated paper and air filtering membrane materials, particle pollutants in air can be removed, bacteria are filtered, the risk of bacteria pollution to the tracheotomy intubation tube is reduced, heat and water vapor in exhaled air of a human body can be collected and kept, and when the air is inhaled through the filter component, the air is brought into the air passage in a warm and humidified state, so that the air passage is effectively and properly humidified. Currently, when a patient is in anesthesia recovery, weak spontaneous breathing occurs along with the reduction of the anesthesia depth, at the moment, the breathing machine is required to be removed, and an artificial nose special for active breathing is connected between the tracheostomy tube and the oxygen therapy device. In order to reduce the workload of medical staff and avoid pathogenic bacteria and viruses in the air in a hospital from being inhaled into the body of a patient in the process of replacing the artificial nose, the device can be used in two states of anesthesia operation and anesthesia recovery of the patient. When the patient is in anesthesia operation, the auxiliary ventilation and the breathing control are performed by connecting the air inlet with the breathing machine. When a patient is in anesthesia and resuscitation, the patient does not need to replace the device, the cover body is only required to be taken off, the cover body is detachably separated from the seat body, the filter assembly is left at one end of the seat body after the cover body is separated, and external gas is filtered by the filter assembly and enters the human respiratory system through the air outlet through the tracheostoma or the tracheostomy tube of the human body.
The safety cover adopts medical plastics material to make, is equipped with a plurality of air vents on it, and gaseous passing filtering component to gas outlet through the air vent, filtering component is fit for being located inside the safety cover inner chamber, and this safety cover mainly used protects filtering component, prevents that filtering component from receiving external destruction. Adopt the buckle to be connected between safety cover connector and the pedestal, mainly used prevents that the safety cover from receiving external force effect, drops from the pedestal, influences the normal use of device. The inner cavity of the protective cover is communicated with the outside through the air inlet of the cover body, the outside air firstly enters the inner cavity of the shell through the air inlet, penetrates into the inner cavity of the protective cover through the vent hole, and then enters the human respiratory system through the air outlet through the tracheostoma or the tracheostomy tube of the human body after being filtered by the filtering component. In order to provide accurate oxygen inhalation concentration for patients, an oxygen interface is arranged on the protective cover, two oxygen passages are arranged on the base body, one end of each oxygen passage is relatively communicated with the oxygen interface of the protective cover, the other end of each oxygen passage is communicated with the air outlet of the base body, different oxygen inhalation concentrations are transmitted to the air outlet by utilizing the oxygen passages with different inner diameters, and finally, the oxygen inhalation concentration enters the human respiratory system through the tracheostoma or the tracheostomy tube of the human body. The protective cover is provided with a plurality of protective cover vent holes which are arranged at intervals, the protective cover vent holes are positioned on the top wall or the side wall of the protective cover, and the breathing resistance of a patient is effectively reduced by arranging a plurality of vent holes. The widest width of the inner edge of the vent hole is smaller than the thickness of the finger, and the vent hole is used for preventing the finger from extending into the inner cavity of the protective cover to damage and pollute the filter assembly.
The protecting cover can be provided with a plurality of oxygen interfaces, wherein one oxygen interface is selectively communicated with the oxygen passage relatively and used for adjusting the oxygen flow and the concentration. The further oxygen interface may be used for nebulized administration to the respiratory system or for sampling of gases in the respiratory system.
The two oxygen passages on the seat body are a first oxygen passage and a second oxygen passage, and the cross section area of the first oxygen passage passing through oxygen is the same as the cross section area of the oxygen interface passing through oxygen; the second oxygen passage has a cross-sectional area through the oxygen that is smaller than a cross-sectional area through the oxygen interface. Of course, the cross-sectional area of the second oxygen passage may be gradually reduced from the end connected to the oxygen port to the end of the air outlet. Specifically, the different inner diameters of the oxygen passages lead to the change of the oxygen concentration flowing out of the oxygen interface, and the sectional area of the second oxygen passage is gradually reduced from one end connected with the oxygen interface to one end of the air outlet, so that the oxygen concentration can be accurately regulated.
The oxygen passage on the seat body further comprises a third oxygen passage, and the cross section area of the third oxygen passage passing through the oxygen is larger than the cross section area of the oxygen interface passing through the oxygen. Of course, the cross-sectional area of the third oxygen passage may gradually increase from the end connected to the oxygen port to the end of the gas outlet. The sectional area of the third oxygen passage gradually expands from one end connected with the oxygen interface to one end of the air outlet, which is beneficial to accurately adjusting the oxygen concentration.
The protective cover connector is provided with a sliding clamping protrusion, the base body is provided with a sliding clamping groove, and the sliding clamping protrusion is positioned in the sliding clamping groove and slides in a rotating way. The oxygen interface is relatively communicated with the first oxygen passage, the protective cover is rotated, the sliding clamp is located at the middle point, the oxygen interface is relatively communicated with the second oxygen passage and is continuously rotated, the sliding clamp is located at the end point, and the oxygen interface is relatively communicated with the third oxygen passage. Of course, the sliding clamping groove can be provided with a starting point and an end point, or can be provided with more starting points and end points. In order to ensure that the sliding card is fixedly connected and accurate in position when being positioned at any one of the starting point, the middle point and the tail point, the oxygen interface and the oxygen passage are ensured to be relatively communicated, a positioning top bead is arranged on the convex ring, the positioning top bead comprises a spring and a top bead, a positioning point is arranged on the sliding card, the spring is used for pressing the top bead to be positioned in the positioning point, the sliding card is ensured to be positioned at the correct position, and the connection is stable.
In order to monitor the breathing condition of a patient in real time, the invention further comprises a power supply, a central processing unit and an oxygen concentration monitoring module, wherein the oxygen concentration monitoring module inputs the measured gas concentration value to the central processing unit through a gas sensor and is used for monitoring the oxygen concentration of the gas in the inner cavity of the shell. The oxygen concentration monitoring module is a gas sensor, converts the concentration of the detected gas into an electric signal with a certain relation with the gas to be detected, and converts the electric signal into an oxygen concentration numerical value to be displayed by the central processing unit. The oxygen concentration monitoring module is located inside the inner cavity of the shell, but can affect the accuracy of oxygen concentration monitoring due to the obstruction of the filtering component. Preferably inside the filter assembly or at the outlet port, in order to directly monitor the oxygen concentration in the line. Especially after the operation is finished, the oxygen concentration in the trachea is monitored in the process of the patient from the operating room to the ward, so that the medical staff can conveniently and timely handle emergency.
The device also comprises an electric component, wherein the electric component is connected with the protective cover, and the central processing unit controls the electric component to drive the protective cover to move on the seat body according to the oxygen concentration obtained by the oxygen concentration monitoring module, and adjusts the oxygen interfaces of the protective cover to be communicated with different oxygen passages on the seat body. The electric component is a rotating motor and is fixedly connected with the base body, and the protective cover is driven by the gear or the belt to rotate relative to the base body, so that the oxygen interface is adjusted to be communicated with different oxygen passages on the base body, and the technical effect of automatically adjusting the oxygen concentration can be achieved according to oxygen concentration data obtained by the central processing unit.
The device also comprises a respiratory frequency monitoring module,Humidity monitoring module, CO 2 The concentration monitoring module is arranged opposite to the air outlet of the seat body, monitors the air pressure in the inner cavity of the shell in real time, and obtains the pressure waveform and the ventilation frequency in the breathing process of the patient through the vibration frequency and the amplitude of the metal sheet; the humidity monitoring module is used for monitoring the humidity value of the gas in the inner cavity of the shell and inputting the humidity value into the central processing unit, and the central processing unit compares the measured humidity value with a standard humidity threshold value; the CO 2 The concentration monitoring module is positioned in the inner cavity of the shell and is used for monitoring the gas CO in the inner cavity of the shell 2 Concentration. The respiratory frequency monitoring module monitors the gas pressure in the inner cavity of the shell by adopting a pressure liquid bag, and the pressure waveform and the ventilation frequency of the patient in the respiratory ventilation process are converted by the internal chip through the vibration frequency and the amplitude of the metal sheet. The humidity monitoring module converts the change of the capacitor into a square wave signal corresponding to the capacitor through the signal detection and conversion circuit, the square wave signal is filtered and then sent to the central processing unit, the central processing unit counts the collected square wave signal, the humidity value of actual measurement is obtained through calculation according to the linear relation between the frequency and the humidity, and meanwhile, the humidity value can be compared with a standard humidity threshold value to judge whether an alarm prompt is given. The CO 2 The concentration monitoring module calculates the concentration of the corresponding gas according to the measured infrared light attenuation quantity through the corresponding relation between the gas concentration and the infrared light attenuation quantity according to the lambert beer law, and monitors the CO of the gas in the inner cavity of the shell 2 Concentration. The electronic components are preferably located inside the filter assembly or at the air outlet for direct monitoring and data accuracy. In respiratory frequency monitoring module, humidity monitoring module and CO 2 The outside of concentration monitoring module all is equipped with the protective sheath to influence each other between the monitoring module. The electrical components are supplied with electrical power using a power source, which may be a mobile energy storage battery.
In order to realize convenient opening and closing and stable connection of the cover body and the base body, the invention also comprises a locking structure, wherein the locking structure comprises a sliding block and a guide groove, the guide groove is positioned on the side wall of the cover body and/or the side wall of the base body, the sliding block slides in the guide groove, a locking hook is arranged on the sliding block, a boss is arranged on the side wall of the cover body or the side wall of the base body, and the locking hook is clamped and fixed on the boss to detachably connect the cover body and the base body. The guide slot can be arranged on the side wall of the cover body or on the side wall of the seat body, and can also be simultaneously arranged on the side wall of the cover body and the side wall of the seat body, the sliding block slides and moves in the guide slot, one end of the sliding block is connected to the cover body in a locking way, the other end of the sliding block is connected to the seat body in a locking way, and the purpose of finally locking the cover body and the seat body is achieved through locking the boss through the locking hook.
In order to reduce respiratory resistance and enhance filtration efficiency, the filter assembly comprises at least one first filter component, the first filter component is formed by sealing connection of a filter membrane in a connection area, an inner cavity formed after sealing connection and wrapped by the filter membrane is a filter component inner cavity, a first filter component opening is formed in the filter membrane of the first filter component, and the filter component inner cavity is communicated with a seat body air outlet through the first filter component opening. The first filter component is in a hollow saccular shape, the first filter component is made of two filter membranes, the edges of the two filter membranes are in sealing connection in a welding, cementing mode and the like, or the first filter component is made of one filter membrane, and the filter membranes are in sealing connection in a welding, cementing mode and the like in an area which is not connected with the edges after being folded in half. The connecting area refers to an area where the edges of the two filter membranes are required to be connected, and the two filter membranes are connected to form a saccular shape or a folding area where the edges of the single filter membrane are folded in half. The first filter component opening is a through hole on the filter membrane, and the first filter component opening and the air outlet can be in sealing connection in a welding, cementing and other modes.
The first filter component is provided with a first filter component connector, a sealing ring is arranged at the first filter component connector, and the central processing unit, the oxygen concentration monitoring module, the respiratory rate monitoring module, the humidity monitoring module and the CO are connected with one another through the sealing ring 2 The concentration monitoring module is arranged on a circuit board, and the circuit board is communicated with a first filter component connection port of the first filter component through a sealing ring. The first filter component connector is arranged at the top of the first filter component, is opposite to the opening and the air outlet of the first filter component, and is provided with the electronic components, so that the electronic components can be monitored in real time, and the obtained data are obtained through monitoringIn order to be accurate, the electronic component is in sealing connection with the first filtering component by using the sealing ring, so that the influence of external gas on monitoring data can be eliminated. The electronic component extends into the inner cavity of the filter component by utilizing the first filter component connecting port.
The filter assembly further comprises at least one second filter component, the second filter component is formed by sealing connection of filter membranes in a connection area, an inner cavity formed after sealing connection and wrapped by the filter membranes is a filter component inner cavity, a second filter component communication port and a second filter component opening are formed in the filter membrane of the second filter component, the second filter component communication port is communicated with the first filter component opening, the second filter component opening is communicated with a seat body air outlet, and the first filter component and the second filter component are connected in series as a whole. And the second filter component is in a hollow capsule shape, and is made of two filter membranes, and the edges of the two filter membranes are in sealing connection in a welding mode. The second filter component communication port and the second filter component opening are through holes penetrating through the filter membrane, and the second filter component communication port and the first filter component opening are in sealing connection in a welding mode. The opening of the second filtering component is in sealing connection with the air outlet in a welding mode. The external gas can enter the inner cavity of the filtering component after being filtered by the filtering diaphragms of the first filtering component and the second filtering component, then flows to the air outlet through the opening of the second filtering component, finally enters the human respiratory system through the tracheostoma or the tracheostomy tube of the human body, and the filtering of the inhaled gas is completed. The first filtering component or the second filtering component are connected in series, so that the area of the filtering membrane of the filtering component is increased, and the respiratory resistance of a human body is reduced.
The filter is characterized in that at least one middle filter element is further arranged between the first filter element and the second filter element, the middle filter element is formed by sealing connection of filter diaphragms in a connection area, an inner cavity formed after sealing connection and wrapped by the filter diaphragms is a filter element inner cavity, middle filter element communication ports are respectively formed in an upper diaphragm and a lower diaphragm of the filter diaphragms, two adjacent middle filter elements are in sealing communication through the middle filter element communication ports, the first filter element and the middle filter element are in sealing communication through a first filter element opening and a middle filter element communication port, and the second filter element and the middle filter element are in sealing communication through a second filter element communication port and a middle filter element communication port. The middle filter part is in a hollow saccular shape, and is made of two filter membranes, and the edges of the two filter membranes are in sealing connection in a welding mode. The middle filter component communication port is a through hole penetrating through the filter membrane, and the middle filter component communication port is hermetically connected with the first filter component opening and the second filter component communication port in a welding mode.
The filter assembly further includes a support member positioned within and/or outside the interior cavity of the filter element to avoid bonding between the filter membranes comprising a single filter element or to avoid bonding of the filter membranes between two adjacent filter elements. The supporting piece is made of medical plastic materials, when the supporting piece is positioned in the inner cavity of the filtering component, the filtering membrane can be supported, the adjacent filtering membranes are prevented from being attached, the filtering effect of the filtering membrane is affected, or the breathing resistance is increased; when the support piece is positioned outside the inner cavity of the filter component, the support piece can be connected with the filter membrane part in a welding or cementing way, and the connected support piece pulls up the filter membrane to prevent the adjacent filter membranes from being attached.
The filter assembly further comprises a connecting piece, wherein the two ends of the connecting piece penetrate through the hollow tubular or sheet-shaped structure, the connecting piece is positioned at the positions of the first filter component opening, the first filter component connecting port, the second filter component opening and the middle filter component connecting port, and the connecting piece is in sealing connection with the first filter component connecting port, the first filter component opening, the second filter component connecting port, the second filter component opening and the middle filter component connecting port, so that the hollow inside the connecting piece is communicated with the inner cavity of the filter component. The connecting piece and the supporting piece are integrally formed. Specifically, the connecting piece is welded with the first filter component opening, the second filter component communication opening, the second filter component opening and the filter membrane at the middle filter component communication opening into a whole, and the adjacent filter components are more conveniently connected in series by inserting the connecting piece and the connecting piece. The first filter component is provided with a connecting piece at the opening of the first filter component, the second filter component is provided with a connecting piece at the communication port of the second filter component, and the two connecting pieces are in sealing connection to connect the first filter component and the second filter component in series. The connecting piece and two adjacent support pieces are integrally formed, or the connecting piece and one adjacent support piece are integrally formed, so that the production cost is reduced, and the assembly process is simplified.
In order to indicate the breathing condition of the patient, at least one part of the oxygen interface is provided with a transparent area, and an indication floating ball is arranged in the oxygen interface and moves up and down in the oxygen interface along with the breathing motion of the human body. The transparent area is convenient for medical staff to observe through the oxygen interface and instruct the floater to move, can judge patient's breathing condition fast. In order to prevent the indication floating ball from blowing out of the oxygen interface, the inner diameter of the oxygen interface close to the inlet is smaller than the outer diameter of the indication floating ball, or a limiting protrusion is arranged in the oxygen interface close to the inlet, and the limiting protrusion is used for limiting the transition upward movement of the indication floating ball when the indication floating ball moves upward. The indication floating ball is made of medical plastic materials and is hollow or solid and used for displaying the breathing degree of a patient, and medical staff can adjust the treatment scheme in time according to the illness state of the patient. When the patient inhales, the floating ball is instructed to move downwards, when the patient exhales, the floating ball is instructed to move upwards, and when oxygen passes through the oxygen interface, the floating ball is instructed not to move up and down.
The cover body is provided with a gas sampling port which is communicated with the inner cavity of the shell, and the cover body is provided with a sealing cap for sealing the gas sampling port. The gas sampling port is a round hole penetrating through the shell and is used for collecting carbon dioxide samples exhaled by the human body. The outer edge of the gas sampling port is provided with an annular bulge which is beneficial to being connected with a sealing cap. The gas sampling port is connected with the sealing cap in a detachable connection mode such as threaded connection, interference connection and the like. When the carbon dioxide sample does not need to be collected, the sealing cap is used for sealing the gas sampling port and preventing external gas from entering the inner cavity of the shell.
The base is provided with a sputum suction opening which is communicated with the air outlet, and the base is provided with a sealing cover for sealing the sputum suction opening. The shell sputum suction opening is arranged near the air outlet and is communicated with the air outlet, and sputum can be sucked only by opening the sealing cover when the shell sputum suction opening is used.
In order to enhance the damp and hot degree of the breathing air of the patient, the invention further comprises a humidifying component which is one of liquid water, hydrogel and water-absorbing fiber and is positioned on the cover body, the seat body or inside the inner cavity of the filtering component. The humidifying component is characterized in that a humidifying component shell is arranged inside and/or outside the humidifying component and used for accommodating or supporting the humidifying component, a water storage tank is arranged on the humidifying component shell, and redundant water separated out by the humidifying component flows into the water storage tank. And the cover body, the seat body or the humidifying component shell is provided with a heating component which is connected with an external power supply. Specifically, the humidifying component can be positioned in the inner cavity of the shell, external gas firstly passes through the surface of the humidifying component to take away water vapor on the surface of the humidifying component, the humidifying process is completed, and then the external gas is filtered by the filtering component to enter the human respiratory system. The humidifying component can be positioned in the inner cavity of the filtering component, and external gas enters the inner cavity of the filtering component through the filtering membrane, is humidified by the humidifying component and finally enters the human respiratory system. The gas exhaled by the human body contains damp and hot water, when the humidity is high, the hydrogel or the water-absorbing fiber is easy to separate out the water, and in order to prevent the water from entering the human body airway, a water storage tank is arranged on the humidifying component shell. In order to further heat the gas inhaled into the human body, a heating component is arranged in the inner cavity of the shell, and the external gas is heated first and then filtered and humidified; when the heating component is arranged on the humidifying component shell, the heating component can heat the humidifying component, so that the generation of liquid water, hydrogel and water vapor on the surface of the water-absorbable fiber is accelerated, the external gas is heated, and meanwhile, the humidification of the external gas is accelerated.
The device also comprises a negative ion generating component, the negative ion generating component comprises a release end and a connecting end, the release end of the negative ion generating component is positioned in the inner cavity of the filtering component, and the connecting end is connected with an external power supply.
Drawings
FIG. 1 is a schematic view of an exploded perspective cut-away structure of an intelligent breathing filter device of the present invention, shown in FIG. 1;
FIG. 2 is a schematic drawing of an exploded perspective cutaway view of the intelligent breathing filtration apparatus of the present invention, FIG. 2;
FIG. 3 is a schematic view of the intelligent breathing filter device of the present invention with a partially cut-away view of the housing and the protective cover;
FIG. 4 is a schematic diagram of the electronic components of the intelligent breathing filter device of the present invention;
FIG. 5 is a schematic diagram of the electronic part and filter assembly of the intelligent breathing filter device of the present invention;
FIG. 6 is a schematic diagram of the three-dimensional cutaway structure of the electronic portion and the filter assembly of the intelligent breathing filter device of the present invention;
FIG. 7 is a schematic diagram of an exploded perspective cutaway view of the intermediate filter components of the filter assembly of the intelligent breathing filter device of the present invention;
FIG. 8 is a schematic view of a three-dimensional cutaway structure of the intelligent breathing filter device of the present invention;
in the figure: 1. a cover body; 10. a housing interior; 11. a top wall of the cover body; 111. an air inlet; 12. a cover side wall; 13. a cover body connecting port; 14. a gas sampling port; 15. a sealing cap; 2. a base; 21. a bottom wall of the seat body; 211. an air outlet; 212. a sliding clamping groove; 22. a side wall of the seat body; 23. a base body connecting port; 24. an oxygen passage; 241. a first oxygen passage; 242. a second oxygen passage; 243. a third oxygen passage; 25. a sputum suction port; 26. sealing cover; 27. positioning the top bead; 3. a filter assembly; 30. a filter membrane; 301. an upper membrane; 302. a lower membrane; 31. a first filter member; 311. a first filter element opening; 312. a first filter element connection port; 32. a second filter member; 321. a second filter member communication port; 322. a second filter element opening; 33. an intermediate filter element; 331. a middle filter component communication port; 34. a support; 35. a connecting piece; 38. a seal ring; 39. a filter element lumen; 4. a protective cover; 40. a protective cover inner cavity; 41. a protective cover top wall; 42. a protective cover side wall; 43. a protective cover connection port; 431. a sliding clamp protrusion; 431a, locating point; 44. an oxygen interface; 441. indicating the floating ball; 45. a vent hole; 5. a circuit board; 51. a central processing unit; 52. an oxygen concentration monitoring module; 53. an electric component; 54. a respiratory rate monitoring module; 541. a metal sheet; 542. a pressure fluid bag; 55 A humidity monitoring module; CO of 56 2 A concentration monitoring module; 6. a locking structure; 61. a slide block; 611. a latch hook; 62. a guide groove; 621. a boss; 7. a humidifying member; 71. a humidification component housing; 711. a water storage tank; 72. a heating member; 73. a negative ion generating member; 731. a release end; 732. and a connecting end.
Detailed Description
Example 1:
as shown in fig. 1, an intelligent breathing filter device comprises a cover body 1 and a base body 2, wherein the cover body 1 and the base body 2 are made of polymer materials formed by copolymerization of three monomers including acrylonitrile, butadiene and styrene through injection molding, the cover body 1 is in a circular cover shape with a hollow inside, the base body 2 is in a circular tray shape, and the cover body 1 and the base body 2 are connected through threads to form a shell inner cavity 10. The cover body 1 comprises a cover body connecting port 13, a cover body top wall 11 and a cover body side wall 12, wherein the cover body top wall 11 is provided with an air inlet 111, and the air inlet 111 is divided into two layers and is in a circular tube shape, so that the connection with a breathing machine pipeline is facilitated. The seat body 2 comprises a seat body connecting port 23, a seat body bottom wall 21 and a seat body side wall 22, and an air outlet 211 is arranged on the seat body bottom wall 21, and the air outlet 211 is connected with the tracheostomy tube. In order to facilitate the disassembly and assembly of the cover body 1 and the base body 2, a locking structure 6 is further arranged on the cover body, the locking structure 6 comprises a sliding block 61 and a guide groove 62, the guide groove 62 is positioned on the side wall 12 of the cover body and the side wall 22 of the base body and is in vertical strip-shaped concave, the sliding block 61 slides in the guide groove 62, a locking hook 611 is arranged on the sliding block 61, a transverse strip-shaped boss 621 is arranged on the side wall 22 of the base body, the sliding block 61 slides in the guide groove 62 to displace, the locking hook 611 is clamped on the boss 621, one end of the locking hook 611 is connected to the cover body 1 in a locking way, the other end of the locking hook is connected to the base body 2 in a locking way, the boss 621 is buckled through the locking hook 611, and the cover body 1 and the base body 2 are detachably connected. The filter assembly 3 is accommodated in the inner cavity 10 of the shell, the filter assembly 3 is formed by connecting a first filter component 31, a second filter component 32 and a second filter component 33 in series, specifically, the first filter component 31 is formed by connecting two filter membranes 30 in a sealing way in an edge connecting area, the filter membranes 30 are formed by compounding three layers of spun-bonded non-woven fabrics, melt-blown non-woven fabrics and spun-bonded non-woven fabrics, the filter assembly has good filtering effect and has enough strength and wear resistance, the membrane material is made of polypropylene, and particulate matters with the kinetic equivalent diameter less than or equal to 2.5 micrometers in the atmosphere, namely PM2.5 can be filtered. With the two filter membranes 30 arranged opposite to each other, the unconnected areas are sealed and connected by using an ultrasonic welding process, the internal cavity formed by the sealed connection and wrapped by the filter membranes 30 is a filter component inner cavity 39, and a first filter component opening 311 is arranged on the filter membrane 30 of the first filter component 31, and the first filter component opening 311 is communicated with the filter component inner cavity 39. As shown in fig. 6, in order to effectively increase the filtering area of the filtering component 3 and reduce the respiratory resistance, the filter component further comprises a second filtering component 32 and a middle filtering component 33, and the second filtering component 32 and the first filtering component 31 are spliced through a connecting piece 35 to form the filtering component 3, wherein the connecting piece 25 is made of medical polypropylene material, is tubular, two ends of the connecting piece penetrate through the inside of the hollow tubular, and is welded with the filtering membrane 30 by ultrasonic waves or bonded together by using medical glue.
The intelligent breathing filter device further comprises a protective cover 4, the protective cover 4 is connected with the base bottom wall 21 of the base 2, the whole is in a circular cover shape, a plurality of ventilation holes 45 are formed in the protective cover, the protective cover is made of polymer materials formed by copolymerizing three monomers of acrylonitrile, butadiene and styrene in an injection molding mode, the protective cover is located in the inner cavity 10 of the shell, and particularly the protective cover is covered on the filter assembly 3, after the cover 1 is separated from the base 2, the filter assembly 3 is continuously protected from being damaged by external force, the intelligent breathing filter device is also realized to be used when a breathing machine is connected, a tracheotomy cannula can be connected to be used as an active breathing artificial nose, the use state is quickly converted, and the effect of different requirements of patients is met. Of course, medical instrument resources are saved, and waste is reduced.
As shown in fig. 2, in order to quickly adjust the oxygen concentration and change the oxygen flow, the bottom wall 21 of the seat body is provided with an oxygen passage 24, the oxygen passage 24 is an airflow groove formed on the bottom wall 21 of the seat body, a rubber strip is sealed on the airflow groove to form an airflow channel which is isolated and sealed externally, one end of the oxygen passage 24 is communicated with the air outlet 211 of the seat body 2, the protecting cover 4 is provided with an oxygen interface 44, the oxygen interface 44 is communicated with the other end of the oxygen passage 24, and at this time, oxygen received by the oxygen interface 44 on the protecting cover 4 can directly enter the air outlet 211 through the oxygen passage 24. The oxygen passage 24 includes a first oxygen passage 241, a second oxygen passage 242, and a third oxygen passage 243, where the cross-sectional area of the first oxygen passage 241 passing through oxygen is the same as the cross-sectional area of the oxygen port 44 passing through oxygen, and the oxygen concentration and the oxygen flow rate are not changed at this time, and the cross-sectional area of the second oxygen passage 242 passing through oxygen is smaller than the cross-sectional area of the oxygen port 44 passing through oxygen, and the oxygen concentration and the oxygen flow rate are changed at this time; the cross-sectional area of the third oxygen passage 243 through the oxygen is larger than the cross-sectional area of the oxygen interface 44 through the oxygen, and the oxygen concentration and the oxygen flow rate are changed at this time. Of course, the inner diameters of the second oxygen passage 242 and the third oxygen passage 243 may be uniform, or may be gradually smaller or gradually larger.
The base bottom wall 21 is provided with a convex ring, the convex ring is provided with a sliding clamping groove 212, a section of the sliding clamping groove 212 is provided, the part not provided with the sliding clamping groove 212 enables the convex ring to be fixedly connected with the base bottom wall 21, the sliding clamping groove 212 comprises a starting point, a middle point and an end point, wherein the starting point is a matched starting point of the sliding clamping groove 431, the oxygen interface 44 is relatively communicated with the first oxygen passage 241, the protective cover 4 is rotated, the sliding clamping groove 431 is positioned at the middle point, the oxygen interface 44 is relatively communicated with the second oxygen passage 242, the protective cover 4 is continuously rotated, the sliding clamping groove 431 is positioned at the end point, and the oxygen interface 44 is relatively communicated with the third oxygen passage 243. In order to ensure that the sliding card convex 431 is fixedly connected and accurate in position when being positioned at any one of a starting point, a middle point and an end point, and ensure that the oxygen interface 44 is communicated with the oxygen passage 24 relatively, a positioning top bead 27 is arranged on the convex ring, the positioning top bead 27 comprises a spring and a top bead, a positioning point 431a is arranged on the sliding card convex 431, the spring is used for pressing the top bead to be positioned in the positioning point 431a, the sliding card convex 431 is ensured to be positioned at the correct position, the connection is stable, and further the oxygen interface 44 is ensured to be communicated with the oxygen passage 24 stably.
Example 2:
As shown in fig. 1, an intelligent breathing filter device comprises a cover body 1 and a base body 2, wherein the cover body 1 and the base body 2 are made of medical polypropylene materials, and the cover body 1 and the base body 2 are connected to form a shell inner cavity 10. The cover 1 comprises a cover connection opening 13, a cover top wall 11 and a cover side wall 12, wherein an air inlet 111 is arranged on the cover top wall 11, and the air inlet 111 is conveniently connected with a breathing machine pipeline. The top wall 11 of the cover body is also provided with a gas sampling port 14, the gas sampling port 14 is a through hole penetrating through the top wall 11 of the cover body and communicated with the inside of the inner cavity 10 of the shell, the edge of the gas sampling port 14 is provided with a single-layer annular boss, the connection of a sealing cap 15 is mainly facilitated, and the sealing cap 15 is in threaded connection with the gas sampling port 14. The seat body 2 comprises a seat body connecting port 23, a seat body bottom wall 21 and a seat body side wall 22, and an air outlet 211 is arranged on the seat body bottom wall 21, and the air outlet 211 is connected with the tracheostomy tube.
As shown in fig. 6 and 7, the filter assembly 3 is contained in the inner cavity 10 of the shell, the filter assembly 3 is formed by connecting a first filter component 31, a second filter component 32 and a second filter component 33 in series, specifically, the first filter component 31 is formed by sealing and connecting a filter membrane 30 in a connecting area, the filter membrane 30 is formed by compounding three layers of spun-bonded non-woven fabrics, melt-blown non-woven fabrics and spun-bonded non-woven fabrics, has good filtering effect, has enough strength and wear resistance, and meanwhile, the membrane material is made of polypropylene fiber, so that particulate matters with the kinetic equivalent diameter less than or equal to 2.5 micrometers in the atmosphere, namely PM2.5 can be filtered. The two filter membranes 30 are oppositely arranged, the unconnected areas are in sealed connection by using an ultrasonic welding process, an inner cavity formed by the sealed connection and wrapped by the filter membranes 30 is a filter component inner cavity 39, a first filter component opening 311 is arranged on the filter membrane 30 of the first filter component 31, the first filter component opening 311 is communicated with the filter component inner cavity 39, a connecting piece 35 is arranged at the first filter component opening 311, the connecting piece 35 is made of medical polypropylene, is in a tubular shape with two ends penetrating through the inner hollow, is in ultrasonic welding with the filter membrane 30 at the edge of the first filter component opening 311, and the first filter component 31 can be in sealed plug-in connection with the air outlet 211 through the connecting piece 35, so that the filter component inner cavity 39 is communicated with the air outlet 211 through the hollow of the connecting piece 35. In order to prevent the adjacent filter membranes 30 from being bonded, a supporting member 34 is arranged in the inner cavity 39 of the filter member, the supporting member 34 is made of medical polypropylene material, and the two adjacent filter membranes 30 are spread to prevent the bonding and influence the resistance of gas passing. The connecting piece 35 and the supporting piece 34 can be integrally designed and made of plastic material by integral injection molding. In order to effectively increase the filtering area of the filtering component 3 and reduce the respiratory resistance, the filter further comprises a second filtering component 32 and an intermediate filtering component 33, the second filtering component 32 is formed by sealing connection of the filtering diaphragms 30 in a connection area, the filtering diaphragms 30 are formed by compounding three layers of spun-bonded non-woven fabrics, melt-blown non-woven fabrics and spun-bonded non-woven fabrics, the edges of the two filtering diaphragms 30 are connected by ultrasonic welding, an inner cavity formed by sealing connection and wrapped by the filtering diaphragms 30 is also a filtering component inner cavity 39, and the inner cavity 39 is also formed by sealing connection to prevent the adjacent filtering diaphragms 30 from being attached to each other, and a supporting piece 34 is arranged inside the filtering component inner cavity 39. The filter membrane 30 is provided with a second filter member communication port 321 and a second filter member opening 322, and the second filter member communication port 321 and the second filter member opening 322 are communicated with the filter member inner chamber 39. An intermediate filter element 33 is further included between the first filter element 31 and the second filter element 32, the intermediate filter element 33 is formed by sealing and connecting the filter membrane 30 in a connecting area, an inner cavity formed by sealing and connecting the filter membrane 30 is also a filter element inner cavity 39, and a supporting piece 34 is arranged in the filter element inner cavity 39. The filter membrane 30 includes an upper membrane 301 and a lower membrane 302, and the upper membrane 301 and the lower membrane 302 are each provided with an intermediate filter member communication port 331, and the intermediate filter member communication port 331 communicates with the filter member inner chamber 39. The middle filter component communication port 331 positioned on the upper membrane 301 is also welded with a connecting piece 35, the middle filter component communication port 331 positioned on the upper membrane 301 is in sealing connection with the first filter component opening 311 through the respective connecting piece 35, and the middle filter component communication port 331 positioned on the lower membrane 302 is in sealing connection with the second filter component communication port 321 through the respective connecting piece 35, so that the first filter component 31, the middle filter component 33 and the second filter component 32 are connected in series as a whole and are mutually communicated. The filter area of the filter component 3 is effectively increased by the serial connection of the plurality of filter components, the respiratory resistance is reduced, and the treatment of the disease of the patient with serious disease is facilitated. Of course, the supporting member 34 may also be located outside the inner cavity 39 of the filtering component, and may be partially connected to the filtering membrane 30, where the supporting member 34 and the filtering membrane 30 are bonded by using ultrasonic welding or medical glue, and the connected supporting member 34 pulls up the filtering membrane 30, so as to prevent the adjacent filtering membranes 30 from being bonded.
As shown in fig. 2, the intelligent breathing filter device further comprises a protective cover 4, the protective cover 4 is connected with the bottom wall 21 of the seat body 2 and is positioned in the inner cavity 10 of the shell, the filter assembly 3 is covered by the buckle, the bottom wall 21 of the seat body is provided with an oxygen passage 24, one end of the oxygen passage 24 is communicated with the air outlet 211 of the seat body 2, an oxygen interface 44 is arranged on the protective cover 4, the oxygen interface 44 is communicated with the other end of the oxygen passage 24, and oxygen received by the oxygen interface 44 on the protective cover 4 directly enters the air outlet 211 through the oxygen passage 24. The oxygen passage 24 includes a first oxygen passage 241, a second oxygen passage 242, and a third oxygen passage 243, where the cross-sectional area of the first oxygen passage 241 passing through oxygen is the same as the cross-sectional area of the oxygen port 44 passing through oxygen, and the oxygen concentration and the oxygen flow rate are not changed at this time, and the cross-sectional area of the second oxygen passage 242 passing through oxygen is smaller than the cross-sectional area of the oxygen port 44 passing through oxygen, and the oxygen concentration and the oxygen flow rate are changed at this time; the cross-sectional area of the third oxygen passage 243 through the oxygen is larger than the cross-sectional area of the oxygen interface 44 through the oxygen, and the oxygen concentration and the oxygen flow rate are changed at this time.
As shown in fig. 4 and 5, in order to monitor the respiration of the patient in real time, the apparatus further comprises a central processor 51 and an oxygen concentration monitoring module 52, and the oxygen concentration monitoring module 52 inputs the measured gas concentration value to the central processor through a gas sensor for monitoring the oxygen concentration of the gas in the housing cavity 10. The oxygen concentration monitoring module 52 is a gas sensor, converts the measured gas concentration into an electrical signal with a certain relation to the measured gas concentration, and converts the electrical signal into an oxygen concentration value for display by the central processing unit 51. The oxygen concentration monitoring module 52 may be located within the housing interior 10. Especially after the operation is finished, the oxygen concentration in the trachea of the patient in the process from the operating room to the ward is monitored, so that the medical staff can conveniently and timely handle emergency. For further automatic regulation of the oxygen concentration and the oxygen flow, the device further comprises an electric member 53, the electric member 53 being connected to the protective cover 4, in particular, the electric member 53 being a rotary electric machine, fixedly connected to the housing 2, and being driven to the protective cover 4 by means of a gear or a belt, so as to rotate the protective cover 4 relative to the housing 2. The central processing unit 51 controls the electric component 53 to drive the protective cover 4 to rotate on the seat body 2 according to the oxygen concentration obtained by the oxygen concentration monitoring module 52, and adjusts the oxygen interface 44 of the protective cover 4 to be communicated with different oxygen passages 24 on the seat body 2, so as to achieve the technical effect of automatically adjusting the oxygen concentration and the oxygen flow.
The device also comprises a respiratory frequency monitoring module 54, a humidity monitoring module 55 and CO 2 The concentration monitoring module 56 is disposed opposite to the air outlet 211 of the seat 2, monitors the air pressure in the inner cavity 10 of the housing in real time, and obtains the pressure waveform and ventilation frequency during the respiration of the patient through the vibration frequency and amplitude of the metal sheet 541. The respiratory rate monitoring module 54 monitors the gas pressure in the housing cavity 10 by using a pressure liquid bag 542, and converts the pressure waveform and the ventilation frequency of the patient during the respiratory ventilation process by using the vibration frequency and the amplitude of the metal sheet 541. The humidity monitoring module 55 is used for monitoring the humidity value of the gas in the inner cavity 10 of the shell and inputting the humidity value into the central processing unit 51, the central processing unit 51 compares the measured humidity value with a standard humidity threshold value, the humidity monitoring module 55 converts the change of the capacitance into a square wave signal corresponding to the capacitance through a signal detection and conversion circuit, the square wave signal is sent to the central processing unit 51 after being filtered, the central processing unit 51 counts the collected square wave signal, the actually measured humidity value is calculated according to the linear relation between the frequency and the humidity, and meanwhile, the humidity value can be compared with the standard humidity threshold value to judge whether an alarm prompt is given. The CO 2 A concentration monitoring module 56 is located in the housing cavity 10 for monitoring the CO gas in the housing cavity 10 2 Concentration. The CO 2 The concentration monitoring module calculates the concentration of the corresponding gas according to the measured infrared light attenuation quantity by the corresponding relation between the gas concentration and the infrared light attenuation quantity according to the lambert beer law, and monitors the CO of the gas in the inner cavity 10 of the shell 2 Concentration.
The electronic components are all arranged on the circuit board 5, the sealing ring 38 is used for being in sealing connection with the first filter component connecting port 312, the first filter component connecting port 312 is formed at the top of the first filter component 31, specifically, the first filter component connecting port 312 is formed on the filter membrane 30 by welding the connecting piece 35, the first filter component connecting port 312 is oppositely arranged with the first filter component opening 311 and the air outlet 211, the electronic components can be monitored in real time, the obtained data are more accurate, the electronic components are in sealing connection with the first filter component 31 by the sealing ring 38, and the influence of external air on the monitored data can be eliminated. The outer surface of the electronic component is provided with the protective sleeve, so that the mutual influence between modules is avoided, and the influence on monitoring data is generated. The above electrical components are powered by a power source, in particular a rechargeable lithium battery.
As shown in fig. 1, an indication floating ball 441 is disposed in the oxygen interface 44, the indication floating ball 441 is made of medical polypropylene, the indication floating ball 441 moves up and down in the oxygen interface 44, and an inner diameter of an end near the outer side of the oxygen interface 44 is smaller than an outer diameter of the indication floating ball 441, so as to limit transition displacement of the indication floating ball 441. In order to facilitate the medical staff to observe and instruct the floating ball 441 to move, a transparent area is arranged on the oxygen interface 44, and the transparent area is made of transparent polymethyl methacrylate material.
As shown in fig. 8, a humidifying member 7 is provided at the lower part of the apparatus for humidifying the gas entering the respiratory system of the human body, and of course, the humidifying member 7 may be provided in the filter member chamber 39 or the housing chamber 10, and the humidifying member 7 is a water-absorbable hydrogel, is soft in nature, can maintain a certain shape, and is rich in a large amount of moisture. In order to fix the hydrogel, a humidifying member housing 71 for supporting the humidifying member 7 is provided outside the humidifying member housing 71, the humidifying member housing 71 has a tubular shape with both ends penetrating through the inside, and a vent hole is provided in the side wall thereof, and the vent hole is communicated with the air outlet 211 of the seat 2. External gas enters the inner cavity 40 of the protective cover through the protective cover 4, is filtered by the filtering membrane 30 of the filtering component 3, enters the inner cavity 39 of the filtering component, enters the shell 71 of the humidifying component from the inner cavity 39 of the filtering component through the air outlet 211, passes through the surface of the humidifying component 7 contained in the shell 71 of the humidifying component, takes away the saturated water vapor layer on the surface of the humidifying component 7, and changes the external gas into clean and moist gas suitable for human body inhalation, and the clean and moist gas enters the tracheostoma or tracheostomy tube of the human body and finally enters the respiratory system of the human body. In order to prevent the excessive water deposited from the hydrogel from entering the airway of the human body, a water storage tank 711 is provided at the lower portion of the humidifying member case 71, and the water storage tank 711 is used for storing the excessive water deposited from the hydrogel.
The heating component 72 is arranged in the cavity of the inner cavity 10 of the shell, the heating component 72 adopts an electric heating wire for heating, in particular an iron-chromium-aluminum electric heating wire or a nickel-chromium electric heating wire, and the electric heating wire is connected with an external power supply. The heating member 72 can also heat the humidifying member 7 to assist the formation of vapor on the surface of the humidifying member 7, thereby promoting humidifying efficiency, and mainly directly heat the gas in the inner cavity 39 of the filtering member to supply clean gas suitable for inhalation of temperature and humidity to human bodies.
For further purification of the external gas, a negative ion generating member 73 is provided inside the filter member inner chamber 39, specifically, a negative oxygen ion releasing end 731 of the negative ion generating member 73 is located inside the filter member inner chamber 39, and a connecting end 732 of the negative ion generating member 73 is connected to an external power source. Since the filter membrane 30 of the filter assembly 3 has a blocking effect on negative oxygen ions, the discharge end 731 of the negative ion generating member 73 is located inside the filter member inner chamber 39, and the negative oxygen ions directly enter the filter member inner chamber 39 to purify the gas inside thereof.
The sputum suction opening 25 and the sealing cover 26 for sealing the sputum suction opening 25 are arranged at the air outlet 211 of the seat body 2, the sputum suction opening 25 is communicated with the air outlet 211, when the sealing cover 26 is opened, the sputum suction pipe enters the human airway from the air outlet 211 to suck sputum, and after the sealing cover 26 is sealed, the device continuously filters and humidifies the external air.

Claims (21)

1. An intelligent respiratory filtration device, comprising:
the cover body (1), the cover body (1) comprises a cover body top wall (11), a cover body side wall (12) and a cover body connecting port (13), and the cover body top wall (11) is provided with an air inlet (111); the seat body (2), the seat body (2) comprises a seat body bottom wall (21), a seat body side wall (22) and a seat body connecting port (23), the seat body bottom wall (21) is provided with an air outlet (211), the seat body connecting port (23) is connected with a cover body connecting port (13), an inner cavity enclosed by the cover body (1) and the seat body (2) is a shell inner cavity (10), and the air inlet (111) and the air outlet (211) are respectively communicated with the shell inner cavity (10); the filtering component (3), the filtering component (3) is positioned in the inner cavity (10) of the shell, and the gas enters the human respiratory system after being filtered by the filtering component (3); the oxygen-saving device is characterized by further comprising a protective cover (4), wherein the protective cover (4) comprises a protective cover top wall (41), a protective cover side wall (42) and a protective cover connecting opening (43), an inner cavity formed by encircling the protective cover top wall (41) and the protective cover side wall (42) is a protective cover inner cavity (40), a filtering component (3) is positioned inside the protective cover inner cavity (40), the protective cover connecting opening (43) is connected with a seat body (2), an oxygen interface (44) and a vent hole (45) are formed in the protective cover (4), at least two oxygen passages (24) are formed in the seat body (2), one end of each oxygen passage (24) is communicated with an air outlet (211) of the seat body (2), and when the two oxygen passages (24) in the seat body (2) are a first oxygen passage (241) and a second oxygen passage (242), the cross section of the first oxygen passage (241) is identical to the cross section of the oxygen through the oxygen interface (44), the cross section of the second oxygen passage (242) is smaller than the cross section of the oxygen through the oxygen interface (44), the cross section of the oxygen through the driving the protective cover (4) on the seat body (2), and the oxygen-saving device is displaced on the seat body (2) and is communicated with the other end of the oxygen passages (24).
2. The intelligent breathing filter device according to claim 1, wherein the oxygen passage (24) in the housing (2) further comprises a third oxygen passage (243), the cross-sectional area of the third oxygen passage (243) through oxygen being larger than the cross-sectional area of the oxygen interface (44) through oxygen.
3. The intelligent breathing filter device according to claim 1, wherein a sliding clamping protrusion (431) is arranged at the connecting port (43) of the protective cover, a sliding clamping groove (212) is arranged on the base body (2), and the sliding clamping protrusion (431) is located in the sliding clamping groove (212) to slide in a rotating manner.
4. A smart breath filter device according to any of claims 1-3, and further comprising a power supply, a central processing unit (51) and an oxygen concentration monitoring module (52), the oxygen concentration monitoring module (52) inputting measured gas concentration values to the central processing unit (51) via a gas sensor for monitoring the oxygen concentration of the gas in the housing interior (10).
5. The intelligent breathing filtering device according to claim 4, further comprising an electric component (53), wherein the electric component (53) is connected with the protective cover (4), and the central processor (51) controls the electric component (53) to drive the protective cover (4) to move on the seat body (2) according to the oxygen concentration obtained by the oxygen concentration monitoring module (52), and adjusts the oxygen interface (44) to be communicated with different oxygen passages (24) on the seat body (2).
6. The intelligent breathing filter device according to claim 4, further comprising a breathing frequency monitoring module (54), a humidity monitoring module (55) and a CO2 concentration monitoring module (56), wherein the breathing frequency monitoring module (54) is arranged opposite to the air outlet (211) of the seat body (2), monitors the air pressure in the inner cavity (10) of the shell in real time, and derives the pressure waveform and the ventilation frequency in the breathing process of the patient through the vibration frequency and the amplitude of the metal sheet (541); the humidity monitoring module (55) is used for monitoring the humidity value of the gas in the inner cavity (10) of the shell and inputting the humidity value into the central processing unit (51), and the central processing unit (51) compares the measured humidity value with a standard humidity threshold value; the CO2 concentration monitoring module (56) is positioned in the inner cavity (10) of the shell and is used for monitoring the concentration of the CO2 in the gas in the inner cavity (10) of the shell.
7. The intelligent breathing filtering device according to claim 1, further comprising a locking structure (6), wherein the locking structure (6) comprises a sliding block (61) and a guide groove (62), the guide groove (62) is located on the side wall (12) of the cover body and/or the side wall (22) of the base body, the sliding block (61) slides inside the guide groove (62), a locking hook (611) is arranged on the sliding block (61), a boss (621) is arranged on the side wall (12) of the cover body or the side wall (22) of the base body, and the locking hook (611) is clamped on the boss (621) to detachably connect the cover body (1) and the base body (2).
8. The intelligent breathing filtering device according to claim 1, wherein the filtering assembly (3) comprises at least one first filtering component (31), the first filtering component (31) is formed by sealing connection of a filtering membrane (30) in a connection area, an inner cavity formed by sealing connection and wrapped by the filtering membrane (30) is a filtering component inner cavity (39), a first filtering component opening (311) is arranged on the filtering membrane (30) of the first filtering component (31), and the filtering component inner cavity (39) is communicated with the air outlet (211) of the seat body (2) through the first filtering component opening (311).
9. The intelligent breathing filtering device according to claim 8, wherein the first filtering component (31) is provided with a first filtering component connection port (312), a sealing ring (38) is arranged at the first filtering component connection port (312), the intelligent breathing filtering device further comprises a central processing unit (51), the oxygen concentration monitoring module (52), the breathing frequency monitoring module (54), the humidity monitoring module (55) and the CO2 concentration monitoring module (56) are mounted on a circuit board (5), and the circuit board (5) is communicated with the first filtering component connection port (312) of the first filtering component (31) through the sealing ring (38).
10. The intelligent breathing filtering device according to claim 8, wherein the filtering assembly (3) further comprises at least one second filtering component (32), the second filtering component (32) is formed by sealing connection of the filtering membrane (30) in a connection area, an inner cavity formed by sealing connection and wrapped by the filtering membrane (30) is a filtering component inner cavity (39), a second filtering component communication opening (321) and a second filtering component opening (322) are arranged on the filtering membrane (30) of the second filtering component (32), the second filtering component communication opening (321) is communicated with the first filtering component opening (311), the second filtering component opening (322) is communicated with the air outlet (211) of the base body (2), and the first filtering component (31) and the second filtering component (32) are connected in series as a whole.
11. The intelligent breathing filtering device according to claim 10, wherein at least one middle filtering component (33) is further included between the first filtering component (31) and the second filtering component (32), the middle filtering component (33) is formed by sealing connection of the filtering membrane (30) in a connection area, an inner cavity formed after sealing connection and wrapped by the filtering membrane (30) is a filtering component inner cavity (39), middle filtering component communication ports (331) are respectively formed in an upper membrane (301) and a lower membrane (302) of the filtering membrane (30), two adjacent middle filtering components (33) are communicated in a sealing mode through the middle filtering component communication ports (331), the first filtering component (31) is communicated with the middle filtering component communication ports (331) in a sealing mode through a first filtering component opening (311), and the second filtering component (32) is communicated with the middle filtering component communication ports (331) in a sealing mode through a second filtering component communication port (321).
12. Intelligent breathing filter device according to claim 8 or 10, characterized in that the filter assembly (3) further comprises a support (34), the support (34) being located inside and/or outside the inner cavity (39) of the filter element, avoiding the fitting between the filter membranes (30) constituting a single filter element, or avoiding the fitting of the filter membranes (30) between two adjacent filter elements.
13. The intelligent breathing filtering device according to claim 12, wherein the filtering assembly (3) further comprises a connecting piece (35), the connecting piece (35) is tubular or sheet-shaped, two ends of the connecting piece penetrate through the inside, and the connecting piece is located at the first filtering component opening (311), the first filtering component connecting port (312), the second filtering component connecting port (321), the second filtering component opening (322) and the middle filtering component connecting port (331), and the connecting piece (35) is in sealing connection with the first filtering component connecting port (312), the first filtering component opening (311), the second filtering component connecting port (321), the second filtering component opening (322) and the middle filtering component connecting port (331) so that the inside of the connecting piece (35) is hollow and is communicated with the inner cavity (39) of the filtering component.
14. The intelligent breathing filter device according to claim 13, wherein the connector (35) is integrally formed with the support (34).
15. The intelligent breathing filter device according to claim 1, wherein at least a part of the oxygen interface (44) is provided with a transparent area, and an indication floating ball (441) is arranged in the oxygen interface (44), and the indication floating ball (441) moves up and down in the oxygen interface (44) along with the breathing motion of a human body.
16. The intelligent breathing filtering device according to claim 1, wherein the cover body (1) is provided with a gas sampling port (14), the gas sampling port (14) is communicated with the inner cavity (10) of the shell, and the cover body (1) is provided with a sealing cap (15) for sealing the gas sampling port (14).
17. The intelligent breathing and filtering device according to claim 1, wherein the seat body (2) is provided with a sputum suction port (25), the sputum suction port (25) is communicated with the air outlet (211), and the seat body (2) is provided with a sealing cover (26) for sealing the sputum suction port (25).
18. The intelligent breathing filter device according to claim 1, further comprising a humidifying component (7), wherein the humidifying component (7) is one of liquid water, hydrogel and water-absorbable fiber, and the humidifying component (7) is located on the cover (1), the base (2) or inside the inner cavity (39) of the filter component.
19. The intelligent breathing filter device according to claim 18, wherein a humidifying component housing (71) is arranged inside and/or outside the humidifying component (7), the humidifying component housing (71) is used for accommodating or supporting the humidifying component (7), a water storage tank (711) is arranged on the humidifying component housing (71), and excessive water separated out by the humidifying component (7) flows into the water storage tank (711).
20. The intelligent breathing filter device according to claim 4, wherein the cover (1), the base (2) or the humidifying component housing (71) is provided with a heating component (72), and the heating component (72) is connected with an external power source.
21. The intelligent breathing filter device according to claim 4, further comprising a negative ion generating element (73), the negative ion generating element (73) comprising a release end (731) and a connection end (732), the release end (731) being located inside the filter element lumen (39), the connection end (732) being connected to an external power source.
CN201811194711.1A 2017-11-23 2018-10-15 Intelligent breathing filter device Active CN109821127B (en)

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CN201711179552 2017-11-23

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CN109821127B (en) * 2017-11-23 2024-04-05 北京万生人和科技有限公司 Intelligent breathing filter device
CN111282117A (en) * 2020-02-25 2020-06-16 合肥达米医疗科技有限公司 Anti-splash artificial nose for tube drawing and use method thereof
CN111298266A (en) * 2020-02-25 2020-06-19 夏敏 Anti-splashing breathing filter and use method thereof
CN111529871A (en) * 2020-04-24 2020-08-14 蚌埠医学院第一附属医院(蚌埠医学院附属肿瘤医院) Gas warming type tracheal cannula
CN113855950A (en) * 2021-08-23 2021-12-31 河南辉瑞生物医电技术有限公司 Small-sized breathing machine
CN113908388A (en) * 2021-08-23 2022-01-11 河南辉瑞生物医电技术有限公司 Portable breathing machine

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