CN113304373B - Inhalation type anesthesia device mask for anesthesia department and control method thereof - Google Patents
Inhalation type anesthesia device mask for anesthesia department and control method thereof Download PDFInfo
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- CN113304373B CN113304373B CN202110580069.6A CN202110580069A CN113304373B CN 113304373 B CN113304373 B CN 113304373B CN 202110580069 A CN202110580069 A CN 202110580069A CN 113304373 B CN113304373 B CN 113304373B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0605—Means for improving the adaptation of the mask to the patient
- A61M16/0616—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
Abstract
The invention relates to a suction-type anaesthetic device mask for anaesthetic department and a control method thereof, comprising a mask body, a suction-type anaesthetic device, a connecting pipeline, a medicament bottle, an exhaust pipe, an oxygen supply pipe, an exhaust valve, a face attaching ring, a binding belt and a clamping element, wherein solid oxygen releasing agent and gas exhaled by human body are subjected to chemical reaction to generate oxygen capable of being breathed by human body, so that the problems of equipment bulkiness and energy waste caused by separately arranging the oxygen supply pipe and the exhaust pipe on the mask in the prior art are avoided, secondly, the whole sealing performance of the anaesthetic device mask can be improved by arranging the face attaching ring which is attached to the contour of the face of the human body on the edge of the mask body, so that the user experience is strong, the air pressure caused by choking vibration of a patient can be buffered by arranging the binding belt connected with the mask and arranging a semi-pass film and an elastic metal wire mesh in the suction-type anaesthetic device, and the flow of the anaesthetic device can be supplied according to the pressure detected in the mask, so as to realize the accurate control of the anaesthetic flow.
Description
Technical Field
The invention belongs to the technical field of medical anesthesia department instruments, and particularly relates to an inhalation type anesthesia device mask for an anesthesia department and a control method thereof.
Background
With the development of the clinical anesthesia level and the increasing variety of anesthetic drugs, the choice of anesthetic method is increasing, and especially with the continuous improvement of the performance of inhalation anesthetic drugs, the inhalation anesthetic method is adopted more and more in clinical practice.
The inhalation type anesthesia has the characteristics of small influence on circulation, quick response, quick elimination, convenience in adjustment of anesthesia depth and the like, so the inhalation type anesthesia is often used in the maintenance stage of general anesthesia, is rarely used in the anesthesia induction stage, is relatively less in anesthesia of adults, is mainly applied to children (the children cannot be well matched with surgical operations), has short-term anesthesia effect by applying inhalation type anesthetics such as sevoflurane and the like, and generally needs intravenous injection for maintaining the anesthesia for a long time. Common methods of induction of inhalation anesthesia generally have three types: concentration-increasing methods, tidal volume methods, and spirometric methods. However, these three induction methods are not widely used in general anesthesia induction, and the reasons for this are:
1. the inhalation type anesthesia has no quick response to intravenous injection;
2. when the anesthetic gas is inhaled, the pressurization of the mask easily causes suffocation to patients (especially children), and the anesthesia experience is poor; when the mask is not pressurized, the mask is easy to loosen, so that anesthetic gas leaks from the face joint;
3. most of the existing narcotics are Enflurane (Enflurane), laughing gas, narcotic ether, methoxyflurane and sevoflurane isopropyl ether, most of inhalation narcotics have large irritation to respiratory tract mucosa of a human body, and when narcotic gas is inhaled, cough occurs to a patient in the inhalation process due to high concentration of the narcotic gas, so that a gap can be formed between a face mask and the face, further a large amount of inhaled narcotic gas is leaked, and the body health of medical workers is influenced; on the other hand, even if the face mask is tightly attached to the face, in the cough process of a human body, because the face mask is closed and has no exhaust device, waste gas, spray and the like generated by the cough of the human body are mixed with anesthetic gas in the face mask, the cleanliness of inhaled gas is reduced, and the health of the human body can be adversely affected by re-inhalation;
4. the mask of the existing inhalation type anesthesia apparatus is not used independently, but is connected with a movable inhalation type anesthesia apparatus, and an air suction pipe and an oxygen suction pipe which are connected with the anesthesia apparatus are arranged on the mask, so that the mask equipment of the existing inhalation type anesthesia apparatus is huge and the occupied area is large.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a suction type anesthesia apparatus mask for anesthesia department, which has the advantages of miniaturization, good sealing performance, strong experience feeling, capability of preventing the mask from being shaken off when a patient coughs, energy conservation and the like.
In order to achieve the purpose, the invention provides a suction type anesthesia device mask for an anesthesia department, which has the technical scheme that:
an inhalation type anesthesia apparatus mask for anesthesia department, comprising: mask body, suction-type anaesthesia device, connecting tube, medicament bottle, blast pipe, oxygen supply pipe, discharge valve, facial laminating circle, band, block component. The mask body is of a bowl-shaped structure, the edge of the mask body is connected with a face attaching ring, and the face attaching ring can be closely attached to the face of a child according to the ergonomic design; the front end and the anaesthesia device intercommunication of face guard body, anaesthesia device's one side is passed through connecting tube and is connected with medicament bottle gas circuit, the one end of blast pipe and oxygen supply pipe is connected respectively to the bottom of medicament bottle, the other end of blast pipe and the other end of oxygen supply pipe all set up on the face guard body, the both sides of face guard body are connected with the band respectively, two the band carries out the block through the block component and connects, the block component sets up on one of them band, still be provided with discharge valve on the face guard body 1.
The exhaust pipe is arranged at the bottom of the mask body.
The medicament bottle comprises a medicament bottle body and a detachable chassis, wherein an external thread is arranged on the outer edge of the bottom of the medicament bottle body, an internal thread is arranged on the inner edge of the detachable chassis, and the detachable chassis can be detached and installed through threaded connection. The novel anesthetic bottle is characterized in that anesthetic is arranged in the medicine bottle body, liquid anesthetic is selected as the anesthetic, the detachable base plate is provided with the solid oxygen releasing agent, carbon dioxide and/or water exhaled by a person react with the solid oxygen releasing agent to generate oxygen capable of being breathed by the person, and then the breathing problem of the patient in the anesthetic process can be solved.
Solid oxygen-releasing agent for exhalation of human respiratory tractGas (water vapor and CO) 2 ) The reaction is an exothermic process, the released heat can be directly used for heating the anesthetic on the upper part, so that the anesthetic is volatilized from a liquid state to a gaseous state, and the release amount/volatilization amount of the anesthetic can be controlled by controlling the magnitude of the released heat.
The bottom of medicament bottle body is provided with two-layer heat conduction copper sheet, and two-layer heat conduction copper sheet all sets up medicament bottle body inboard bottom adopts the sealing material of high thermal conductivity to fill between the two-layer heat conduction copper sheet.
The base plate is provided with an exhaust pipe connecting port and an oxygen supply pipe connecting port, the exhaust pipe connecting port is connected with the exhaust pipe, the oxygen supply pipe connecting port is connected with the oxygen supply pipe, and the solid oxygen releasing agent can be in a powder shape or a block shape in order to increase the contact area of the solid oxygen releasing agent and the exhaled air of a human body. Further, when the solid oxygen release agent can be powdered, the exhaust pipe connecting port and the oxygen supply pipe connecting port are internally provided with a layer of metal mesh to block powdered substances and prevent the powdered substances from entering the respiratory tract of the human body through the air path.
The connecting pipe part of the connecting pipeline is connected with the medicine bottle body in a buckling mode or a threaded mode, a detachable gas-liquid diaphragm is further arranged at one end, extending into the medicine bottle body, of the connecting pipe part, and only gas is allowed to pass through the gas-liquid diaphragm, but liquid anesthetic is not allowed to pass through the gas-liquid diaphragm; the outer surface of the connecting pipe part is fixedly connected with a stopping part used for limiting and preventing gas clearance leakage when the connecting pipeline is connected with the medicament bottle body.
The suction type anaesthesia device is tubaeform, and suction type anaesthesia device comprises the control unit portion of placing, straight section of thick bamboo portion and toper portion, the control unit portion of placing and straight section of thick bamboo portion threaded connection, the welding of the osculum one end of straight section of thick bamboo portion and toper portion, the macrostoma one end and the face guard body of toper portion pass through the clamping part and are connected, the clamping part is cyclic annular, sets up the outside of the macrostoma one end of toper portion, the barrel one side and the connecting tube of straight section of thick bamboo portion are connected.
The control unit placing part is in a bottle cap shape and used for placing the control unit and the power supply unit, a touch screen panel is arranged on the outer side of the control unit placing part, and the power supply unit and the touch screen panel are electrically connected with the control unit.
The straight section of thick bamboo portion is straight tube body form, has placed miniature blast fan in it, miniature blast fan passes through fan bracket to be fixed inside straight section of thick bamboo portion, miniature blast fan is connected with the control unit electricity for to the inside malleation that provides of face guard body, make this internal volatile gaseous anesthetic of medicament bottle gets into the face guard body better, prevents simultaneously that the gas and the gaseous anesthetic of patient's exhalation from mixing, causes the air current local vortex to appear, avoids anesthesia effect to descend.
The section of the conical part is in a conical shape, a semi-through film and an elastic metal wire mesh are sequentially embedded in the conical part from the small-opening end to the large-opening end of the conical part, the semi-through film only allows gas to pass through, and water vapor or small liquid drops to pass through, the elastic metal wire mesh can block spray when a patient coughs, and instant impact on the semi-through film when the patient coughs is relieved.
The mask is characterized in that a pressure detection device and a gas anesthetic concentration detection device are further arranged in the mask body, the pressure detection device is electrically connected with the control unit and can monitor the pressure in the mask in real time, and correspondingly, a preset pressure threshold value is stored in the control unit; the gas anesthetic concentration detection device is electrically connected with the control unit, the concentration of the gas anesthetic in the cover can be monitored in real time, and correspondingly, a preset gas concentration threshold value is stored in the control unit;
the control unit is used for controlling the working states of the exhaust valve, the touch screen panel and the micro blowing fan, setting the running power/wind gear of the micro blowing fan on the touch screen panel according to the breathing comfort of a patient, and setting a preset pressure threshold value and/or a preset gas concentration threshold value; when the pressure detection device detects that the pressure in the cover rises and exceeds a preset pressure threshold value, the control unit controls the exhaust valve to open for exhausting; and when the gas anesthetic concentration detection device detects that the concentration in the cover is reduced and is lower than a preset gas concentration threshold value, the micro blowing fan is started to blow air.
In summary, the inhalation anesthetic mask for anesthesia department of the present invention comprises a mask body, an inhalation anesthetic device, a connection pipe, a drug bottle, an exhaust pipe, an oxygen supply pipe, an exhaust valve, a facial attachment ring, a belt, and a fastening element, wherein a solid oxygen release agent chemically reacts with carbon dioxide and water exhaled by a human body to generate oxygen for breathing by the human body, thereby avoiding the problems of huge equipment and energy waste caused by separately providing the oxygen supply pipe and the exhaust pipe to the mask in the prior art, secondly, the whole sealing performance of the anesthesia mask can be improved by providing the facial attachment ring attached to the facial contour of the human body at the edge of the mask body, so that the user experience is strong, the air pressure caused by the choking vibration of the patient can be buffered by providing the belt connected to the mask and providing a semi-pass film and an elastic wire mesh in the inhalation anesthetic device, and the flow of the anesthetic can be detected according to the pressure in the mask.
Drawings
FIG. 1 is a schematic view of the overall structure of a mask of an inhalation type anesthesia apparatus for anesthesia department;
FIG. 2 is a sectional view of the structure of the medicine bottle of the present invention;
FIG. 3 is a sectional view of an inhalation anesthetic device in accordance with an embodiment;
FIG. 4 is a sectional view of an inhalation anesthetic device according to another embodiment;
FIG. 5 is a sectional view of a inhalation anesthetic device according to still another embodiment;
in the drawings, 1-the mask body; 2-an inhalation anesthesia apparatus; 3-connecting a pipeline; 4-a medicament bottle; 5-an exhaust pipe; 6-oxygen supply pipe; 7-an exhaust valve; 8-face attaching ring; 9-a belt; 10-a snap-in element; 11-a solid oxygen-releasing agent; 12-an anesthetic; 13-a thermally conductive copper sheet; 14-exhaust pipe connection port; 15-oxygen supply pipe connecting port; 16-a touch screen panel; 17-a control unit; 18-a micro blower fan; 19-a fan support; 20-half pass through the membrane; 21-elastic wire mesh; 22-a miniature butterfly valve; 23-gas flowmeter
2-1-controlling the unit placement section; 2-2-straight cylinder part; 2-3-taper; 2-4-a fastening part;
3-1-connecting the tube portions; 3-2 (or 3-3) -stops;
4-1-a medicament bottle body; 4-2-a detachable chassis.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, an inhalation type anesthetic mask for anesthesia department comprises: the mask comprises a mask body 1, an inhalation type anesthesia device 2, a connecting pipeline 3, a medicament bottle 4, an exhaust pipe 5, an oxygen supply pipe 6, an exhaust valve 7, a face attaching ring 8, a binding belt 9 and a clamping element 10. The mask body 1 is of a bowl-shaped structure, the edge of the mask body 1 is connected with the face attaching ring 8, and the face attaching ring 8 can be closely attached to the face of a child according to the ergonomic design; front end and the anesthesia apparatus 2 intercommunication of face guard body 1, one side of anesthesia apparatus 2 is passed through connecting tube 3 and is connected with 4 gas circuits of medicament bottle, the one end of 5 and oxygen supply pipe 6 of blast pipe are connected respectively to the bottom of medicament bottle 4, the other end of 5 and the other end of oxygen supply pipe 6 all set up on face guard body 1, the both sides of face guard body 1 are connected with band 9 respectively, two band 9 carry out the block through clamping element 10 and connect, clamping element 10 sets up on one of them band 9, still be provided with discharge valve 7 on the face guard body 1, discharge valve 7 is used for opening when patient's clinical anesthesia in-process needs exhaust and exhausts.
The exhaust pipe 5 is provided at the bottom of the mask body 1.
Referring to fig. 2, the medicine bottle 4 is formed by connecting a medicine bottle body 4-1 and a detachable chassis 4-2, the outer edge of the bottom of the medicine bottle body 4-1 is provided with an external thread, the inner edge of the detachable chassis 4-2 is provided with an internal thread, and the detachable chassis 4-2 can be detached and installed through threaded connection. The anesthetic bottle body 4-1 is internally provided with anesthetic 12, and the anesthetic 12 can be selected from enflurane, anesthetic ether or other high-boiling liquid anesthetics. The detachable chassis 4-2 is filled with a solid oxygen releasing agent, and carbon dioxide and/or water exhaled by a person react with the solid oxygen releasing agent to generate oxygen for the person to breathe, so that the breathing problem of the patient in the anesthesia process can be solved.
The solid oxygen-releasing agent adopted by the invention is calcium peroxide (CaO) 2 ) The calcium peroxide can react with the gas (water vapor and CO 2) exhaled by the respiratory tract of a human body, and 2mol of H2O and 4mol of CO2 can be converted into 1mol of oxygen, namely CO 2 To convert it into O useful for human respiration 2 The process is implemented as follows:
2CaO 2 +2H 2 0+4CO 2 ＝2Ca(HCO 3 ) 2 +O 2 +Q exothermic heat generation
The chemical reaction is an exothermic process, and the heat released by the chemical reaction can be directly used for heating the anesthetic 12 on the upper part, so that the anesthetic 12 is volatilized from a liquid state to a gaseous state, and the heat release Q is controlled Exothermic heat generation The amount of the anesthetic 12 released can be controlled.
Further referring to fig. 2, the bottom of the medicine bottle body 4-1 is provided with two layers of heat-conducting copper sheets 13, the two layers of heat-conducting copper sheets 13 are both arranged at the bottom of the inner side of the medicine bottle body 4-1, and a sealing material with high heat conductivity is filled between the two layers of heat-conducting copper sheets 13.
An exhaust pipe connecting port 14 and an oxygen supply pipe connecting port 15 are arranged on the chassis 4-2, the exhaust pipe connecting port 14 is connected with the exhaust pipe 5, the oxygen supply pipe connecting port 15 is connected with the oxygen supply pipe 6, in order to increase the contact area of the solid oxygen releasing agent and the exhaled air of the human body, the solid oxygen releasing agent can be in a powder or block shape, furthermore, when the solid oxygen releasing agent can be in a powder shape, a layer of metal net is arranged in the exhaust pipe connecting port 14 and the oxygen supply pipe connecting port 15, so that the powder-shaped substance is blocked, and the powder-shaped substance is prevented from entering the respiratory tract of the human body through an air path.
The connecting pipe part 3-1 of the connecting pipeline 3 is connected with the medicament bottle body 4-1 in a buckling connection mode or a threaded connection mode, and a detachable gas-liquid diaphragm is arranged at one end, extending into the medicament bottle body 4-1, of the connecting pipe part 3-1 and only allows gas to pass through but not liquid anesthetic 12 to pass through; the outer surface of the connecting tube part 3-1 is fixedly connected with a stop part 3-2 (or a stop part 3-3) for limiting and preventing gas gap leakage when the connecting tube 3 is connected with the medicament bottle body 4-1.
Fig. 3 is a sectional view of the inhalation type anesthesia apparatus in this embodiment, the inhalation type anesthesia apparatus 2 is in a trumpet shape, the inhalation type anesthesia apparatus 2 is composed of a control unit placing part 2-1, a straight tube part 2-2 and a tapered part 2-3, the control unit placing part 2-1 is in threaded connection with the straight tube part 2-2, the straight tube part 2-2 is welded with one end of a small opening of the tapered part 2-3, one end of a large opening of the tapered part 2-3 is connected with the mask body 1 through a buckling part 2-4, the buckling part 2-4 is in a ring shape and is arranged outside one end of the large opening of the tapered part 2-3, and one side of the tube body of the straight tube part 2-2 is connected with the connecting pipeline 3.
The control unit placing part 2-1 is in a bottle cap shape and is used for placing the control unit 17 and the power supply unit, the touch screen panel 16 is arranged on the outer side of the control unit placing part 2-1, and the power supply unit and the touch screen panel 16 are electrically connected with the control unit.
The straight barrel part 2-2 is in a straight barrel shape, the miniature blowing fan 18 is placed in the straight barrel part, the miniature blowing fan 18 is fixed inside the straight barrel part 2-2 through the fan support 19, the miniature blowing fan 18 is electrically connected with the control unit 17 and used for providing positive pressure for the inside of the mask body 1, so that gas anesthetic volatilized in the medicine bottle body 4-1 can better enter the mask body 1, and meanwhile, the gas exhaled by a patient is prevented from being mixed with the gas anesthetic, so that local vortex of airflow is prevented, and the decrease of anesthetic effect is avoided.
The section of the conical part 2-3 is in a conical shape, a semi-through membrane 20 and an elastic metal wire mesh 21 are embedded in the conical part from the small-mouth end to the large-mouth end of the conical part 2-3 in sequence, the semi-through membrane 20 only allows gas to pass through but allows water vapor or small liquid drops to pass through, and the elastic metal wire mesh 21 can block spray generated when a patient coughs and relieve instant impact generated by the semi-through membrane 20 when the patient coughs.
A pressure detection device and a gas anesthetic concentration detection device are further arranged in the mask body 1, the pressure detection device is electrically connected with the control unit 17 and can monitor the pressure in the mask in real time, and correspondingly, a preset pressure threshold value is stored in the control unit 17; the gas anesthetic concentration detection device is electrically connected with the control unit 17, the concentration of the gas anesthetic in the cover can be monitored in real time, and correspondingly, a preset gas concentration threshold value is stored in the control unit 17;
the control unit 17 is used for controlling the working states of the exhaust valve 7, the touch screen panel 16 and the micro blower fan 18, and when the pressure detection device detects that the pressure in the cover rises and exceeds a preset pressure threshold value, the control unit 17 controls the exhaust valve 7 to open for exhausting; when the concentration detection device of the gas anesthetic detects that the concentration in the cover is reduced and is lower than a preset gas concentration threshold, the micro blower fan 18 is started to supply air, and in consideration of the comfort level of a patient during breathing, the operating power/wind gear of the micro blower fan 18 can be set on the touch screen panel 16, and the preset pressure threshold and/or the preset gas concentration threshold can also be adjusted and set.
Example 2
The mask of the inhalation type anesthesia apparatus in the anesthesia department in this embodiment has substantially the same overall structure as the mask of the inhalation type anesthesia apparatus in embodiment 1, except that the internal structure of the inhalation type anesthesia apparatus 2 is different: considering fig. 4, a micro butterfly valve 22 is further provided in the straight body 2-2 of the inhalation anesthetic device 2, and the micro butterfly valve 22 is provided between the micro blower fan 18 and the semi-permeable membrane 20; a gas flow meter 23 is further provided at the upper end of the connecting pipe 3, and the gas flow meter 23 is used for detecting the gas flow rate in the connecting pipe 3.
The scheme also comprises the following control method:
step SS1: starting a mask of the inhalation type anesthesia apparatus to operate, setting a preset gas anesthetic flow threshold range on a touch screen panel 16, setting the operating power/wind gear of a micro blower fan 18, and setting a preset anesthesia time;
step SS2: opening the micro butterfly valve 22, enabling the micro blast fan 18 to operate at a preset operation power/wind gear, detecting the gas flow in the connecting pipeline 3 in real time during the anesthesia process, and closing the micro blast fan 18 when the gas flow in the connecting pipeline 3 is higher than the maximum value of the flow threshold range; when the gas flow rate in the connecting duct 3 is lower than the minimum value of the flow rate threshold range, the operation power/wind level of the micro blower fan 18 is increased;
step SS3: when the anesthesia time reaches the preset anesthesia time, the voice prompt is broadcasted, meanwhile, the suction type anesthesia device mask is controlled to be powered off, and the micro butterfly valve 22 is closed;
and step SS4: the fastener 10 is opened to release the strap 9 and remove the mask body 1 from the patient's face.
Example 3
The mask of the inhalation type anesthesia apparatus in the anesthesia department in this embodiment has substantially the same overall structure as the mask of the inhalation type anesthesia apparatus in embodiment 2, except that the internal structure of the inhalation type anesthesia apparatus 2 is different: referring to fig. 5, in this embodiment, the micro blower fan 18 is not provided in the straight tube portion 2-2, and when the anesthetic 12 is heated from a liquid state to volatilize into a gaseous state, the pressure in the inhalation type anesthetic apparatus 2 is increased, and the gaseous anesthetic can be diffused into the mask body 1 by the pressure gradient from the connecting pipe 3 to the mask body 1.
Taking the reaction of calcium peroxide with the exhaled gases of the human respiratory tract as an example, 2mol of gaseous water and 4mol of CO2 are converted into 1mol of oxygen, which is a reaction of gas volume reduction according to the physicochemical principle:
2CaO 2 +2H 2 0+4CO 2 ＝2Ca(HCO 3 ) 2 +O 2 +Q exothermic heat generation
According to the knowledge of engineering thermodynamics, the chemical reaction end (inside the detachable chassis 4-2) is a low-pressure end, and the non-chemical reaction end (inside the mask body 1) is a high-pressure end, and the gas exhaled by the human body can enter the detachable chassis 4-2 through the exhaust pipe 5 by utilizing the pressure difference between the two ends.
Therefore, the invention also comprises the following control method:
and step SS5: starting a mask of the inhalation type anesthesia device to operate, and setting a preset pressure threshold range and preset anesthesia time for human body respiration on a touch screen panel 16; opening a pressure detection device in the mask body 1 and monitoring the breathing pressure of the human body in real time;
step SS6: when the human body respiratory pressure is higher than the maximum value of the preset pressure threshold range, the control unit 17 controls the micro butterfly valve 22 to close;
step SS7: when the respiratory pressure of the human body is higher than the minimum value of the preset pressure threshold range, the control unit 17 controls the micro butterfly valve 22 to open;
step SS8: when the anesthesia time reaches the preset anesthesia time, the voice prompt is broadcasted, meanwhile, the suction type anesthesia device mask is controlled to be powered off, and the micro butterfly valve 22 is closed;
step SS9: the fastener 10 is opened to release the strap 9 and remove the mask body 1 from the patient's face.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (11)
1. A mask for an inhalation-type anesthesia device used in anesthesia department, comprising: face guard body, suction-type anaesthesia device, connecting tube, medicament bottle, blast pipe, oxygen supply pipe, discharge valve, facial laminating circle, band, block component, its characterized in that: the mask body is of a bowl-shaped structure, the edge of the mask body is connected with a face attaching ring, and the face attaching ring can be closely attached to the face of a child according to the ergonomic design; the front end of the mask body is communicated with a suction type anesthesia device, one side of the suction type anesthesia device is connected with a medicament bottle air path through a connecting pipeline, the bottom end of a medicament bottle is respectively connected with one end of an exhaust pipe and one end of an oxygen supply pipe, the other end of the exhaust pipe and the other end of the oxygen supply pipe are both arranged on the mask body, two sides of the mask body are respectively connected with bridles, the two bridles are connected in a clamping manner through clamping elements, the clamping elements are arranged on one of the bridles, and an exhaust valve is further arranged on the mask body;
the medicament bottle consists of a medicament bottle body and a detachable chassis, wherein the outer edge of the bottom of the medicament bottle body is provided with an external thread, the edge of the inner part of the detachable chassis is provided with an internal thread, the detachable chassis can be detached and installed through threaded connection, liquid anesthetic is filled in the medicament bottle body, and the detachable chassis is filled with solid oxygen releasing agent;
the liquid anesthetic is selected from enflurane or anesthetic ethyl ether, and the solid oxygen release agent is calcium peroxide.
2. An inhalation type anaesthetic device mask according to claim 1 wherein: the exhaust pipe is arranged at the bottom of the mask body.
3. A mask for an inhalation-type anaesthetic device for department of anaesthesia according to any one of claims 1-2 wherein: the bottom of medicament bottle body is provided with two-layer heat conduction copper sheet, and two-layer heat conduction copper sheet all sets up medicament bottle body inboard bottom adopts the sealing material of high thermal conductivity to fill between the two-layer heat conduction copper sheet.
4. An inhalation anesthetic device mask for department of anesthesia as claimed in any one of claims 1-2, wherein: the base plate is provided with an exhaust pipe connecting port and an oxygen supply pipe connecting port, the exhaust pipe connecting port is connected with an exhaust pipe, the oxygen supply pipe connecting port is connected with an oxygen supply pipe, and the solid oxygen releasing agent can be in a powder shape or a block shape.
5. An inhalation type anaesthetic mask according to claim 4 wherein: when the solid oxygen releasing agent is in a powder shape, a layer of metal net is arranged in the exhaust pipe connecting port and the oxygen supply pipe connecting port.
6. A mask for an inhalation-type anaesthetic device for department of anaesthesia according to any one of claims 1-2 wherein: the connecting pipe part of the connecting pipeline is connected with the medicine bottle body in a buckling connection or threaded connection mode, a detachable gas-liquid diaphragm is further arranged at one end, extending into the medicine bottle body, of the connecting pipe part, the gas-liquid diaphragm only allows gas to pass through but does not allow anesthetic to pass through, and a blocking part is fixedly connected to the outer surface of the connecting pipe part.
7. The mask for inhalation type anesthesia of claim 6, wherein: the suction type anesthesia device is horn-shaped and consists of a control unit placing part, a straight tube part and a conical part; the control unit placing part is in threaded connection with the straight cylinder part, the straight cylinder part is welded with one end of a small opening of the conical part, one end of a large opening of the conical part is connected with the mask body through a buckling part, the buckling part is annular and is arranged on the outer side of one end of the large opening of the conical part, and one side of the cylinder body of the straight cylinder part is connected with the connecting pipeline;
the control unit placing part is in a bottle cap shape and is used for placing the control unit and the power supply unit, a touch screen panel is arranged on the outer side of the control unit placing part, and the power supply unit and the touch screen panel are electrically connected with the control unit;
the straight cylinder part is in a straight cylinder shape, a micro blowing fan is placed in the straight cylinder part, the micro blowing fan is fixed in the straight cylinder part through a fan support, and the micro blowing fan is electrically connected with the control unit;
the section of the conical part is in a conical shape, and a semi-through film and an elastic metal wire mesh are sequentially embedded in the conical part from the small opening end to the large opening end of the conical part.
8. An inhalation type anaesthetic mask according to claim 7 wherein: the mask body is also internally provided with a pressure detection device and a gas anesthetic concentration detection device, and the pressure detection device is electrically connected with the control unit and is used for monitoring the pressure in the mask in real time; the gas anesthetic concentration detection device is electrically connected with the control unit and used for monitoring the concentration of the gas anesthetic in the cover in real time.
9. An inhalation type anaesthetic mask according to claim 8 wherein: the suction type anesthesia device is horn-shaped and consists of a control unit placing part, a straight tube part and a conical part; the control unit placing part is in threaded connection with the straight cylinder part, the straight cylinder part is welded with one end of a small opening of the conical part, one end of a large opening of the conical part is connected with the mask body through a buckling part, the buckling part is annular and is arranged on the outer side of one end of the large opening of the conical part, one side of the cylinder body of the straight cylinder part is connected with a connecting pipeline, and a gas flowmeter is arranged inside the upper end of the connecting pipeline and used for detecting the gas flow in the connecting pipeline;
the control unit placing part is in a bottle cap shape and is used for placing the control unit and the power supply unit, a touch screen panel is arranged on the outer side of the control unit placing part, and the power supply unit and the touch screen panel are electrically connected with the control unit;
the section of the conical part is in a conical shape, and a semi-passing film and an elastic metal wire mesh are sequentially embedded in the conical part from the small-opening end to the large-opening end of the conical part;
the straight cylinder part is in a straight cylinder shape, a miniature blowing fan is placed in the straight cylinder part, a miniature butterfly valve is further arranged between the miniature blowing fan and the semi-through film, the miniature blowing fan is fixed inside the straight cylinder part through a fan support, and the miniature blowing fan is electrically connected with the control unit.
10. A control method of an inhalation type anesthesia apparatus mask for anesthesia department according to claim 8, wherein:
according to the comfort level of a patient during breathing, setting the running power/wind gear of the micro blower fan on the touch screen panel, and simultaneously setting a preset pressure threshold value and/or a preset gas concentration threshold value;
when the pressure detection device detects that the pressure in the cover rises and exceeds a preset pressure threshold value, the control unit controls the exhaust valve to open for exhausting;
and when the concentration detection device of the gas anesthetic detects that the concentration in the cover is reduced and is lower than a preset gas concentration threshold value, the micro blowing fan is started to blow air.
11. A control method of an inhalation type anesthesia apparatus mask for anesthesia department according to claim 9, wherein:
step SS1: starting the inhalation type anesthesia device to operate, setting a preset gas anesthetic flow threshold range on the touch screen panel, setting the operating power/wind gear of the micro blowing fan, and setting preset anesthesia time;
step SS2: opening the micro butterfly valve, enabling the micro blast fan to operate at a preset operation power/wind gear, detecting the gas flow in a connecting pipeline in real time in the anesthesia process, and closing the micro blast fan when the gas flow in the connecting pipeline is higher than the maximum value of a flow threshold range; when the gas flow in the connecting pipeline is lower than the minimum value of the flow threshold range, increasing the running power/wind gear of the micro blowing fan;
and step SS3: when the anesthesia time reaches the preset anesthesia time, broadcasting voice prompt, simultaneously controlling the suction type anesthesia device to be powered off, and closing the miniature butterfly valve;
and step SS4: opening the snap-fit element, loosening the straps, and removing the mask body from the patient's face.
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