CN115227929B

CN115227929B - Anesthesia respirator for thoracic surgery

Info

Publication number: CN115227929B
Application number: CN202211154303.XA
Authority: CN
Inventors: 张予卓; 涂恒嘉; 林江鹏; 霍震宇; 邱晔; 何澎; 李泽坤
Original assignee: Guangzhou Medical University
Current assignee: Guangzhou Medical University
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2022-12-20
Anticipated expiration: 2042-09-22
Also published as: CN115227929A

Abstract

The invention discloses an anesthesia respirator for thoracic surgery, which comprises a waste gas treatment shell and lifting supporting legs, wherein the lower parts of the waste gas treatment shell are pairwise symmetrical, an anesthesia waste gas sealing flowing mechanism is arranged at the upper part of the waste gas treatment shell, an airflow generating mechanism is arranged at the inner bottom wall of the waste gas treatment shell, an anesthesia waste gas treatment mechanism is arranged in the waste gas treatment shell and is arranged at the upper part of the airflow generating mechanism, the anesthesia waste gas treatment mechanism is arranged at the lower part of the anesthesia waste gas sealing flowing mechanism, an anesthesia gas mixing input mechanism is arranged on the outer side wall of one side of the waste gas treatment shell, and a carbon dioxide absorption disturbing mechanism is arranged on the outer side wall of the other side of the waste gas treatment shell. The invention belongs to the field of medical equipment, and particularly relates to an anesthesia respirator for thoracic surgery, which is characterized in that an anesthesia waste gas sealing and flowing mechanism is arranged to avoid the leakage of anesthesia waste gas, a carbon dioxide absorption and disturbance mechanism completely releases a carbon dioxide absorbent in a carbon dioxide absorption tank, and the anesthesia waste gas is completely eliminated through an anesthesia waste gas treatment mechanism.

Description

Anesthesia respirator for thoracic surgery

Technical Field

The invention belongs to the technical field of medical equipment, and particularly relates to an anesthesia respirator for thoracic surgery.

Background

The thoracic surgery is a specialized medical department, and is used for specially researching the diagnosis and treatment of pathological changes of the thoracic cavity, mainly esophagus, lung and mediastinum. Need use anesthesia breathing machine at the in-process to patient's emergency operation during thoracic surgery operation, breathing anesthetic in-process to thoracic surgery operation patient, have anesthesia waste gas to leak, anesthesia waste gas is revealed and can be caused operating room environmental pollution, and causes very big harm to medical personnel's healthy, and current anesthesia respirator has following problem:

1. the existing anesthesia respirator has poor sealing condition, and the anesthesia respirator is lack of a waste gas discharge device or a waste gas adsorption device, so that the pollution of the anesthesia waste gas is serious, and the health of medical care personnel is seriously injured;

2. anesthesia breathing machine is equipped with carbon dioxide absorbing device, and a period of time later, need change the carbon dioxide absorbent, but can have the unable elimination of a large amount of anesthesia waste gas among the carbon dioxide absorbing device, directly opens the leakage that changes the carbon dioxide absorbent and can cause anesthesia waste gas, causes the pollution for the environment, and causes the injury for medical personnel's healthy.

Therefore, there is a need for a thoracic surgical anesthetic respirator that addresses the above-mentioned problems.

Disclosure of Invention

In order to overcome the defects of the prior art, the anesthesia respirator for thoracic surgery provided by the invention has the advantages that the anesthesia waste gas sealing and flowing mechanism is arranged to avoid the leakage of anesthesia waste gas, the carbon dioxide absorbing and disturbing mechanism completely releases the carbon dioxide absorbent in the carbon dioxide absorbing tank, and the anesthesia waste gas is thoroughly eliminated through the anesthesia waste gas treatment mechanism in time.

The technical scheme adopted by the invention is as follows: the invention provides an anesthesia respirator for thoracic surgery, which comprises a waste gas treatment shell and lifting support legs, wherein the lower parts of the waste gas treatment shell are pairwise symmetrical, the lower ends of the lifting support legs are provided with walking wheels, the upper part of the waste gas treatment shell is provided with an anesthesia waste gas sealing flow mechanism, the inner bottom wall of the waste gas treatment shell is provided with an airflow generating mechanism, an anesthesia waste gas treatment mechanism is arranged in the waste gas treatment shell and is arranged at the upper part of the airflow generating mechanism, the anesthesia waste gas treatment mechanism is arranged at the lower part of the anesthesia waste gas sealing flow mechanism, the outer side wall of one side of the waste gas treatment shell is provided with an anesthesia gas mixing input mechanism, and the outer side wall of the other side of the waste gas treatment shell is provided with a carbon dioxide absorption disturbance mechanism.

In order to satisfy the supply amount and the supply frequency of anaesthetic and oxygen when patient anesthesia during the operation, airflow generation mechanism is including fixed cover, connection rib plate, connecting plate, electronic hydraulic rod and gas mixing annular gasbag, fixed cover is located on lifting support leg, fixed cover lateral wall is located to connection rib plate's one end, connection rib plate's the other end is located to the connecting plate, waste gas treatment shell internal bottom wall is located to gas mixing annular gasbag, the connecting plate upper wall is located to electronic hydraulic rod's lower extreme, the inside upper wall of gas mixing annular gasbag is located to electronic hydraulic rod's upper end.

In order to avoid the anesthesia waste gas among the respiratory anesthesia process reveal and anesthesia waste gas automatic flow to anesthesia waste gas treatment mechanism, anesthesia waste gas seal flow mechanism includes that the head places board, connecting piece, waste gas seal clearance cover, sealing washer, laminating gasbag, drier box and headrest, the upper end opening part of exhaust-gas treatment casing is located to the board is placed to the head, the headrest is located the head and is placed the board upper wall, the board upper wall array is placed to the head and is run through and be equipped with the exhaust-gas circulation hole, the board upper wall is placed to the head and is equipped with the seal groove, the connecting piece is located the head and is placed the board lateral wall, waste gas seal clearance cover is hemisphere type cavity setting, waste gas seal clearance cover is articulated to be located on the board is placed to the head through the connecting piece, waste gas seal clearance cover inner wall evenly is equipped with the air current hole, waste gas seal clearance cover keeps away from connecting piece one side and is equipped with gasbag installation bayonet socket, the laminating gasbag is located in the gasbag installation bayonet socket, the laminating gasbag can be aerifyd through outside extrusion gasbag, one side of laminating gasbag is equipped with the bayonet socket, the laminating card is in patient's neck department, the sealing clearance cover is located to the lower extreme edge of waste gas seal clearance cover, prevents that the waste gas seal clearance effect of anesthesia waste gas seal, the dry gas seal clearance cover from the dry gas flow from appearing the dry gas observation sign, and dry exhaust gas observation water spray is located the dry gas in the dry gas seal clearance cover.

In order to thoroughly remove the anesthesia waste gas revealed when anaesthetizing respiratory system and the anesthesia waste gas revealed when changing the carbon dioxide absorbent, the anesthesia waste gas treatment mechanism includes the air-washing pipe, inhales sleeve, washing partition board, piston shaft and activity push pedal, gas mixing annular gasbag upper end is located to the activity push pedal, waste gas treatment casing inside wall is located to the washing partition board, the air-washing sleeve is lower extreme open-ended cavity setting, the air-washing sleeve is located and is washed between partition board and the head and place the board, the upper end and the waste gas flow through-hole one-to-one of air-washing sleeve, the lower extreme of air-washing sleeve is located the washing partition board upper wall, the air-washing sleeve upper end is equipped with check valve one, the air-washing sleeve communicates with each other through check valve one and waste gas flow through-hole, air-washing sleeve outer wall upper portion is equipped with the connecting hole, the connecting hole department of air-washing sleeve is located to the upper end of air-washing pipe, the lower part of air-washing sleeve outer wall is located to the lower extreme of air-washing pipe, the upper end of air-washing pipe is equipped with check valve two, the piston shaft activity is located in the air-washing sleeve, the lower extreme of air-washing piston shaft runs through the washing partition board and locates the movable air-washing sleeve upper wall, the piston shaft moves downwards, and the waste gas in the waste gas is removed the sealed cover, the waste gas that is removed the waste gas in the waste gas gets into the piston shaft, and can only gets into the washing liquid through the washing pipe because the inner waste gas-washing sleeve.

The anesthesia in-process breathes, need use anesthetic and oxygen to adjust the use amount, anesthesia gas mixing input mechanism includes the backup pad one, places box, oxygen jar, oxygen pipe, mixed venturi, anesthesia evaporating pot, anesthetic pipe, flow control valve and anesthesia check valve, waste gas treatment casing outer wall lower part is located to the backup pad one, it locates an upper wall of backup pad to place the box, the oxygen jar is located and is placed the box diapire, the anesthesia evaporating pot is located and is placed the box upper wall, mixed venturi locates the waste gas treatment casing inside wall, mixed venturi's the end of giving vent to anger is connected through the air inlet end of air duct and gas mixing annular gasbag, the one end and the oxygen jar of oxygen pipe are connected, the other end of oxygen pipe communicates with the air inlet end of mixing venturi, the one end of anesthetic pipe communicates with the anesthesia evaporating pot, the other end of anesthetic pipe communicates with mixed venturi's negative pressure end, and oxygen enters into in the mixed annular gasbag through the oxygen pipe, produces the negative pressure in the anesthetic pipe, inhales the anesthetic in the mixed gas, and together enters into the gas mixing annular gasbag to oxygen and anesthetic pipe, on the flow control valve, the volume of being convenient for adjusting valve is equipped with anesthetic pipe two air switch on the anesthetic pipe.

The carbon dioxide absorption disturbance mechanism comprises a second support plate, a carbon dioxide absorption tank, a spiral blade shaft, a driven bevel gear, a driving bevel gear, a rotating shaft, a support frame, a transmission rack, a transmission gear, a reinforcing support plate, a pneumatic shell, a sealing piston and a restoring spring, wherein the second support plate is arranged on the lower portion of the outer wall of the waste gas treatment shell, the carbon dioxide absorption tank is arranged on the upper wall of the second support plate, the spiral blade shaft is arranged between the upper wall and the inner bottom wall of the carbon dioxide absorption tank, the upper end of the spiral blade shaft penetrates through the upper wall of the carbon dioxide absorption tank, the driven bevel gear is arranged on the upper wall of the spiral blade shaft, the support frame is arranged on the upper wall of the carbon dioxide absorption tank, the rotating shaft penetrates through the support frame, the driving bevel gear is arranged at one end of the rotating shaft, the driving bevel gear is meshed with the driven bevel gear, the transmission gear is arranged at the other end of the rotating shaft, the pneumatic shell is arranged in a hollow cavity with an upper opening at the upper end, the upper wall of the pneumatic shell, the inner wall of the pneumatic shell, the restoring spring is arranged on the inner wall of the pneumatic shell, the lower end of the reinforcing rack, and the upper end surface of the reinforcing gear is meshed with the upper end of the reinforcing rack.

Wherein, be equipped with the gasbag connecting pipe on the anesthetic pipe, the one end of gasbag connecting pipe is equipped with the storage gasbag, and this end of giving vent to anger for storing the gasbag, the lower extreme of carbon dioxide absorption tank is equipped with the filtration breather pipe, on the storage gasbag was located to the other end of filtering the breather pipe, this was the inlet end of storing the gasbag, and when the patient exhaled, the gas of exhalation entered into in the storage gasbag after the absorption of carbon dioxide absorption tank.

In order to realize the supply of oxygen and anesthetic to and realize the gas flow of whole in-process, the end of giving vent to anger of gas mixing annular gasbag is equipped with breathing conduit, breathing conduit's the other end is equipped with trachea cannula, trachea cannula runs through the outer wall that waste gas seal cleared away the cover, be equipped with the guide flap on the breathing conduit, the guide flap is the square setting, the upper end of carbon dioxide touring jar is equipped with the expiration connecting pipe, the other end and the guide flap of expiration connecting pipe are connected, the inside wall of guide flap is equipped with through the torsional spring is articulated turns to the board that turns to, turn to the upper wall and the lower wall of turning over the board and be equipped with sealed the pad, the lower extreme of pneumatic casing is equipped with pneumatic breather pipe, pneumatic breather pipe's the other end and breathing conduit intercommunication, under normal condition, under the torsional spring effect, turn to board and breathing conduit laminating, breathing conduit ends this moment, up from the following of gaseous, turns to turning to board and negative pressure connecting pipe laminating, and negative pressure connecting pipe ends this moment, carbon dioxide touring jar lower extreme is equipped with outer breather pipe, be equipped with outer ventilation switch on the outer breather pipe.

Through the venturi effect, gaseous when breathing the pipe, derive the waste gas in the carbon dioxide absorption jar, be equipped with on the breathing pipe and clear away venturi, the negative pressure end of clearing away venturi is equipped with the negative pressure connecting pipe, the other end and the expiration connecting pipe of negative pressure connecting pipe are linked together, be equipped with ooff valve one on the negative pressure connecting pipe.

The outer wall of the drying agent box is provided with a circulating vent pipe, and the other end of the circulating vent pipe penetrates through the upper part of the outer wall of the waste gas treatment shell, so that the waste gas sealing and cleaning cover is communicated with the waste gas treatment shell.

The invention with the structure has the following beneficial effects:

1. in the airflow generation mechanism, the anesthesia waste gas sealing flowing mechanism and the anesthesia waste gas treatment mechanism, the up-and-down movement of the electric push rod drives the movable push plate to move up and down, the movable push plate drives the air suction piston shaft to move up and down in the air suction sleeve, and air suction, air washing and air discharge are carried out continuously, airflow is formed in the waste gas sealing and cleaning cover and the waste gas treatment shell, so that the leakage of anesthesia waste gas is avoided, the waste gas treatment in the waste gas sealing and cleaning cover is solved, and meanwhile, the delivery of oxygen and anesthetic is realized;

2. in the carbon dioxide absorption disturbance mechanism, a part of gas enters a trachea cannula from a breathing conduit and enters a waste gas sealing clearing cover, the other part of gas enters a pneumatic shell through a pneumatic vent pipe, the gas pushes a sealing piston to move upwards, the sealing piston pushes a driving rack to move upwards, the driving rack drives a transmission gear to rotate, the transmission gear drives a rotating shaft to rotate, the rotating shaft drives a driving bevel gear to rotate, the driving bevel gear drives a driven bevel gear to rotate, the driven bevel gear drives a spiral blade shaft to rotate, under the condition that external power is not increased, carbon dioxide absorbent in a carbon dioxide absorption tank is stirred, the problem that anesthetic waste gas is remained in a gap due to extrusion of the carbon dioxide absorbent, anesthetic waste gas in the carbon dioxide absorption tank cannot be completely sucked out is solved, the anesthetic waste gas in the carbon dioxide absorption tank enters the breathing conduit from a negative pressure connecting pipe and enters the waste gas sealing clearing cover, and waste gas treatment is realized by utilizing airflow.

Drawings

FIG. 1 is a schematic view of the internal structure of an anesthetic breathing apparatus for thoracic surgery according to the present invention;

FIG. 2 is a partial schematic structural view of an anesthetic waste gas treatment mechanism of an anesthetic breathing apparatus for thoracic surgery according to the present invention;

FIG. 3 is a schematic structural view of a gas flow generating mechanism of an anesthetic respirator for thoracic surgery according to the present invention;

FIG. 4 is a schematic structural diagram of a carbon dioxide absorption disturbing mechanism of an anesthetic respirator for thoracic surgery according to the present invention;

FIG. 5 is a schematic structural view of a transmission gear and a transmission rack of an anesthetic respirator for thoracic surgery according to the present invention;

FIG. 6 is a schematic perspective view of an anesthetic waste gas sealing flow mechanism of an anesthetic breathing apparatus for thoracic surgery according to the present invention;

FIG. 7 is an enlarged view of portion A of FIG. 1;

fig. 8 is an enlarged view of a portion B of fig. 1.

Wherein, 1, a waste gas processing shell, 2, a lifting support leg, 3, a walking wheel, 4, an anesthesia waste gas sealing flowing mechanism, 5, an airflow generating mechanism, 6, an anesthesia waste gas processing mechanism, 7, an anesthesia gas mixing input mechanism, 8, a carbon dioxide absorbing disturbance mechanism, 9, a fixing sleeve, 10, a connecting rib plate, 11, a connecting plate, 12, an electric hydraulic push rod, 13, a gas mixing annular air bag, 14, a head placing plate, 15, a connecting piece, 16, a waste gas sealing clearing cover, 17, a sealing ring, 18, a joint air bag, 19, a drying agent box, 20, a headrest, 21, a waste gas circulation hole, 22, a sealing groove, 23, an airflow hole, 24, an air bag mounting bayonet, 25, a joint bayonet, 26, a gas washing pipe, 27, a gas suction sleeve, 28, a gas washing clapboard, 29, a gas suction piston shaft, 30, a movable push plate, 31, a one-way valve I, 32 and a connecting hole, 33, a one-way valve II, 34, a support plate I, 35, a placing box body, 36, an oxygen tank, 37, an oxygen conduit, 38, a mixing Venturi tube, 39, an anesthetic evaporation tank, 40, an anesthetic conduit, 41, a flow regulating valve, 42, an anesthetic one-way valve, 43, an air communicating pipe, 44, a switch valve II, 45, a support plate II, 46, a carbon dioxide absorption tank, 47, a spiral blade shaft, 48, a driven bevel gear, 49, a driving bevel gear, 50, a rotating shaft, 51, a support frame, 52, a transmission rack, 53, a transmission gear, 54, a reinforcing support plate, 55, a pneumatic shell, 56, a sealing piston, 57, a restoring spring, 58, an air bag connecting pipe, 59, a storage air bag, 60, a filtering vent pipe, 61, a breathing conduit, 62, a tracheal cannula, 63, a guide valve, 64, an expiration connecting pipe, 65, a steering flap, 66, a sealing gasket, 67, a pneumatic vent pipe, 68. the cleaning Venturi tube 69, the negative pressure connecting tube 70, the first switch valve 71, the circulating vent pipe 72, the outer vent pipe 73 and the outer vent switch.

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

As shown in figure 1, the invention provides an anesthesia respirator for thoracic surgery, which comprises a waste gas treatment shell 1 and lifting support legs 2 which are pairwise symmetrical at the lower part of the waste gas treatment shell, wherein walking wheels 3 are arranged at the lower ends of the lifting support legs 2, an anesthesia waste gas sealing flowing mechanism 4 is arranged at the upper part of the waste gas treatment shell 1, an airflow generating mechanism 5 is arranged on the bottom wall of the waste gas treatment shell 1, an anesthesia waste gas treatment mechanism 6 is arranged in the waste gas treatment shell 1, the anesthesia waste gas treatment mechanism 6 is arranged at the upper part of the airflow generating mechanism 5, the anesthesia waste gas treatment mechanism 6 is arranged at the lower part of the anesthesia waste gas sealing flowing mechanism 4, an anesthesia gas mixing input mechanism 7 is arranged on the outer side wall of one side of the waste gas treatment shell 1, and a carbon dioxide absorption disturbance mechanism 8 is arranged on the outer side wall of the other side of the waste gas treatment shell 1.

As shown in fig. 1 and 3, in order to satisfy the supply amount and supply frequency of anesthetic and oxygen during anesthesia of a patient in an operation, the airflow generating mechanism 5 includes a fixing sleeve 9, a connecting rib plate 10, a connecting plate 11, an electric hydraulic push rod 12 and a gas mixing annular air bag 13, the fixing sleeve 9 is disposed on the lifting support leg 2, one end of the connecting rib plate 10 is disposed on the side wall of the fixing sleeve 9, the connecting plate 11 is disposed at the other end of the connecting rib plate 10, the gas mixing annular air bag 13 is disposed on the inner bottom wall of the exhaust gas treatment housing 1, the lower end of the electric hydraulic push rod 12 is disposed on the upper wall of the connecting plate 11, and the upper end of the electric hydraulic push rod 12 is disposed on the inner upper wall of the gas mixing annular air bag 13.

As shown in fig. 1 and fig. 6, in order to avoid leakage of anesthetic waste gas during respiratory anesthesia and automatic flow of anesthetic waste gas to the anesthetic waste gas treatment mechanism 6, the anesthetic waste gas sealing and flowing mechanism 4 includes a head placing plate 14, a connecting member 15, a waste gas sealing and removing cover 16, a sealing ring 17, a bonded airbag 18, a drying agent box 19 and a headrest 20, the head placing plate 14 is disposed at an upper end opening of the waste gas treatment housing 1, the headrest 20 is disposed on an upper wall of the head placing plate 14, an upper wall array of the head placing plate 14 is provided with a waste gas through hole 21, an upper wall of the head placing plate 14 is provided with a sealing groove 22, the connecting member 15 is disposed on an outer side wall of the head placing plate 14, the waste gas sealing and removing cover 16 is provided with an airbag mounting bayonet 24, the bonded airbag 18 is disposed in the airbag mounting bayonet 24, the airbag 18 can be inflated by external extrusion of the airbag, one side of the airbag 18 is provided with a bayonet 25, the bayonet 25 is disposed on an inner wall of the waste gas sealing and removing cover 16, the exhaust gas sealing and removing cover 16 is disposed on a side of the sealed and used for preventing the exhaust gas sealing and removing cover 16 from leaking from a waste gas sealing and preventing the exhaust gas sealing and cleaning agent box 16, and preventing the waste gas sealing and removing cover 16 from affecting the exhaust gas sealing and removing cover 16, and preventing the waste gas sealing and removing cover 16, and preventing the waste gas sealing and preventing the exhaust gas sealing and removing cover 16 from leaking from the dry gas sealing and removing cover after the exhaust gas sealing and removing cover.

As shown in fig. 1 and 2, in order to completely remove the anesthetic waste gas leaked during respiratory anesthesia and the anesthetic waste gas leaked during replacement of the carbon dioxide absorbent, the anesthetic waste gas treatment mechanism 6 includes a purge tube 26, a purge sleeve 27, a purge partition 28, a purge piston shaft 29, and a movable push plate 30, the movable push plate 30 is disposed at the upper end of the gas mixing annular air bag 13, the purge partition 28 is disposed at the inner side wall of the waste gas treatment housing 1, the purge sleeve 27 is disposed in a hollow cavity with an open lower end, the purge sleeve 27 is disposed between the purge partition 28 and the head mounting plate 14, the upper end of the purge sleeve 27 corresponds to the waste gas circulation hole 21 one by one, the lower end of the purge sleeve 27 is disposed at the upper wall of the purge partition 28, the upper end of the purge sleeve 27 is disposed with a one-way valve 31, the purge sleeve 27 is communicated with the waste gas circulation hole 21 through the one-way valve 31, the upper portion of the outer wall of the purge sleeve 27 is disposed with a connection hole 32, the upper end of the purge tube 26 is disposed at the connection hole 32 of the purge sleeve 27, the lower end of the purge tube 26 is disposed at the outer wall of the purge sleeve 27, the piston shaft 29, the purge piston shaft 29 is disposed at the lower end of the purge sleeve 29, the purge piston shaft, the purge sleeve 26 is disposed at the lower end of the exhaust gas circulation hole 16, and the purge piston shaft, the purge sleeve 29, the purge piston shaft is moved to the purge piston shaft, and the exhaust gas is moved to the exhaust gas in the purge sleeve 29, and the exhaust gas is moved to the exhaust gas treatment mechanism.

As shown in figure 1, in the process of respiratory anesthesia, anesthetic and oxygen are needed, and the usage amount is adjusted, the anesthetic gas mixing input mechanism 7 comprises a first support plate 34, a placing box 35, an oxygen tank 36, an oxygen conduit 37, a mixing venturi tube 38, an anesthetic evaporation tank 39, an anesthetic conduit 40, a flow regulating valve 41 and an anesthetic check valve 42, the first support plate 34 is arranged at the lower part of the outer wall of the waste gas treatment housing 1, the placing box 35 is arranged on the upper wall of the first support plate 34, the oxygen tank 36 is arranged at the inner bottom wall of the placing box 35, the anesthetic evaporation tank 39 is arranged on the upper wall of the placing box 35, the mixing venturi tube 38 is arranged on the inner side wall of the waste gas treatment housing 1, the outlet end of the mixing venturi tube 38 is connected with the inlet end of the gas mixing annular air bag 13 through a gas guide tube, one end of the oxygen conduit 37 is connected with the oxygen tank 36, the other end of the oxygen conduit 37 is communicated with the air inlet end of the mixing Venturi tube 38, one end of the anesthetic conduit 40 is connected with the anesthetic evaporation can 39, the other end of the anesthetic conduit 40 is communicated with the negative pressure end of the mixing Venturi tube 38, oxygen enters the mixing Venturi tube 38 through the oxygen conduit 37, negative pressure is generated in the anesthetic conduit 40, anesthetic is sucked into the mixing Venturi tube 38, the oxygen and the anesthetic enter the gas mixing annular air bag 13 together, the flow regulating valve 41 is arranged on the anesthetic conduit 40 to facilitate regulating the supply amount of the anesthetic, the anesthetic one-way valve 42 is arranged on the anesthetic conduit 40, the air outlet end of the mixing Venturi tube 38 is provided with an air connecting pipe 43, and the air connecting pipe 43 is provided with a second switch valve 44.

As shown in fig. 1, 4 and 5, the carbon dioxide absorption disturbing mechanism 8 includes a second support plate 45, a carbon dioxide absorption tank 46, a spiral blade shaft 47, a driven bevel gear 48, a drive bevel gear 49, a rotating shaft 50, a support frame 51, a drive rack 52, a transmission gear 53, a reinforcing support plate 54, a pneumatic housing 55, a sealing piston 56 and a return spring 57, the second support plate 45 is disposed at a lower portion of an outer wall of the exhaust gas treatment housing 1, the carbon dioxide absorption tank 46 is disposed on an upper wall of the second support plate 45, the spiral blade shaft 47 is disposed between an inner upper wall and an inner bottom wall of the carbon dioxide absorption tank 46, an upper end of the spiral blade shaft 47 penetrates through the upper wall of the carbon dioxide absorption tank 46, the driven bevel gear 48 is disposed on the upper wall of the carbon dioxide absorption tank 46, the driven bevel gear 48 is arranged at the upper end of the spiral blade shaft 47, the support frame 51 is arranged on the upper wall of the carbon dioxide absorption tank 46, the rotating shaft 50 penetrates through the support frame 51, the driving bevel gear 49 is arranged at one end of the rotating shaft 50, the driving bevel gear 49 is meshed with the driven bevel gear 48, the transmission gear 53 is arranged at the other end of the rotating shaft 50, the pneumatic shell 55 is arranged in a hollow cavity with an upper end opened, the pneumatic shell 55 is arranged on the upper wall of the support plate II 45, the restoring spring 57 is arranged on the inner bottom wall of the pneumatic shell 55, the sealing piston 56 is arranged at the upper end of the restoring spring 57, the reinforcing support plate 54 is arranged on the upper part of the inner wall of the pneumatic shell 55, the lower end of the transmission rack 52 is arranged on the upper end face of the sealing piston 56, the transmission rack 52 penetrates through the reinforcing support plate 54, and the transmission rack 52 is meshed with the transmission gear 53.

As shown in fig. 1 and 4, the anesthetic tube 40 is provided with a balloon connection tube 58, one end of the balloon connection tube 58 is provided with a storage balloon 59, which is an air outlet end of the storage balloon 59, the lower end of the carbon dioxide absorption tank 46 is provided with a filter vent tube 60, and the other end of the filter vent tube 60 is provided on the storage balloon 59, which is an air inlet end of the storage balloon 59, so that when the patient exhales, the exhaled air enters the storage balloon 59 after being absorbed by the carbon dioxide absorption tank 46.

As shown in fig. 1, in order to realize the supply of oxygen and anesthetic and realize the gas flow in the whole process, a breathing conduit 61 is arranged at the air outlet end of the gas mixing annular air bag 13, a trachea cannula 62 is arranged at the other end of the breathing conduit 61, the trachea cannula 62 penetrates through the outer wall of the waste gas sealing and cleaning cover 16, a guide valve 63 is arranged on the breathing conduit 61, the guide valve 63 is arranged in a cube shape, an expiration connecting pipe 64 is arranged at the upper end of the carbon dioxide absorption tank 46, the other end of the expiration connecting pipe 64 is connected with the guide valve 63, a turning flap 65 is hinged to the inner side wall of the guide valve 63 through a torsion spring, sealing gaskets 66 are arranged on the upper wall and the lower wall of the turning flap 65, a pneumatic vent pipe 67 is arranged at the lower end of the pneumatic housing 55, the other end of the pneumatic vent pipe 67 is communicated with the breathing conduit 61, the turning flap 65 is always attached to the breathing conduit 61 under the action of the torsion spring in a normal state, the breathing conduit 61 is stopped at the moment, when gas passes through from bottom to top, the turning flap 65 is attached to a negative pressure connecting pipe 69, a negative pressure connecting pipe 69 is attached to the lower end, an external vent pipe 72 is arranged at the lower end of the carbon dioxide absorption tank 46, and an external vent switch 73 is arranged on the external vent pipe 72.

As shown in fig. 1, when the gas passes through the breathing conduit 61, the gas leads the waste gas in the carbon dioxide absorption tank 46 out through the venturi effect, the breathing conduit 61 is provided with a purging venturi tube 68, the negative pressure end of the purging venturi tube 68 is provided with a negative pressure connecting tube 69, the other end of the negative pressure connecting tube 69 is communicated with the expiration connecting tube 64, and the negative pressure connecting tube 69 is provided with a first switch valve 70.

As shown in fig. 1 and 5, a circulation duct 71 is provided on the outer wall of the desiccant container 19, and the other end of the circulation duct 71 penetrates the upper part of the outer wall of the exhaust gas treatment housing 1 to communicate the exhaust gas seal removal cover 16 with the exhaust gas treatment housing 1.

In the first embodiment, the equipment is pushed to one end of the operation bed of the patient, then the walking wheels 3 are braked, then the lifting support legs 2 are adjusted to enable the head placing plate 14 to be flush with the operation bed plate, and the head placing plate 14 is attached to the operating bed, the waste gas sealing and removing cover 16 is opened, the head of the patient is gently placed on the headrest 20, the exhaust seal removal hood 16 is then closed, with the sealing ring 17 captured in the sealing groove 22 to effect sealing, the endotracheal tube 62 is inserted into the patient's lungs, then the oxygen tank 36 and the anesthetic vaporizer 39 are opened, the flow regulating valve 41 is adjusted according to the specific condition of the patient, meanwhile, the electric hydraulic push rod 12 is controlled to move up and down, the electric hydraulic push rod 12 drives the gas mixing annular air bag 13 to extend and compress, the gas mixing annular air bag 13 sucks air from the mixing Venturi tube 38, negative pressure is generated in the anesthetic conduit 40, oxygen passes through the oxygen conduit 37, anesthetic enters the mixing Venturi tube 38 through the anesthetic conduit 40 and enters the gas mixing annular air bag 13, then the gas enters the breathing conduit 61 through the compression of the gas mixing annular air bag 13, the turning plate 65 in the guide valve 63 is pushed upwards, the breathing conduit 61 is communicated at the moment, the turning plate 65 blocks the negative pressure connecting pipe 69, the mixed gas enters the lung of the patient through the breathing conduit 61 and the trachea cannula 62, when the patient exhales, the exhaled air enters the guide valve 63 through the breathing conduit 61, at the moment, the turning plate 65 falls to block the breathing conduit 61, meanwhile, the negative pressure connecting pipe 69 is opened, the exhaled gas enters the carbon dioxide absorption tank 46 through the exhalation connecting pipe 64, is absorbed by the carbon dioxide absorbent, enters the filtering breather pipe 60, and enters the storage air bag 59 through the filtering breather pipe 60; when the gas mixing annular air bag 13 is compressed, the gas mixing annular air bag 13 drives the movable push plate 30 to move downwards, the movable push plate 30 drives the exhalation piston to move downwards, the pressure in the exhalation sleeve is reduced, the anesthetic waste gas in the waste gas seal removal cover enters the inhalation sleeve 27 through the waste gas flow through hole 21, when the gas mixing annular air bag 13 extends, the movable push plate 30 moves upwards, the movable push plate 30 drives the inhalation piston shaft 29 to move upwards, the inhalation piston shaft 29 pushes the inhaled anesthetic waste gas into the air washing pipe 26, the anesthetic waste gas is led out from the lower end through the air washing pipe 26, the part above the air washing partition plate 28 in the waste gas treatment shell 1 is filled with waste gas cleaning liquid, the led anesthetic waste gas is cleaned by the waste gas cleaning liquid, then enters the drier box 19 from the circulating 71, enters the hollow cavity of the waste gas seal removal cover 16 through the drier box 19, and enters the waste gas seal removal cover 16 through the air flow hole 23 of the waste gas seal removal cover 16, the inhalation piston shaft 29 moves up and down in the inhalation sleeve 27, the inhalation, the air washing, the air and the air are discharged, a circulating air flow is formed, and the waste gas seal removal of the waste gas seal removal cover 16, and the waste gas seal removal of the waste gas seal removal cover 16 is continuously;

in the second embodiment, when the carbon dioxide absorbent in the carbon dioxide absorption tank 46 needs to be replaced, the oxygen tank 36 and the anesthetic vaporizer 39 are closed, the second switch valve 44 is opened, simultaneously, the first switch valve 70 and the external vent valve are opened, the electric hydraulic push rod 12 is opened, the electric hydraulic push rod 12 pushes the gas mixing annular air bag 13 upwards to suck air from the outside, when the electric hydraulic push rod 12 moves downwards, the gas in the gas mixing annular air bag 13 is pushed out and enters the breathing conduit 61, a part of the gas enters the tracheal intubation 62 from the breathing conduit 61 and enters the waste gas sealing and removing cover 16, the other part of the gas enters the pneumatic shell 55 through the pneumatic vent pipe 67, the gas pushes the sealing piston 56 to move upwards, the sealing piston 56 pushes the driving rack 52 to move upwards, the driving rack 52 drives the driving gear 53 to rotate, the driving gear 53 drives the rotating shaft 50 to rotate, the rotating shaft 50 drives the driving bevel gear 49 to rotate, the driving bevel gear 49 drives the driven bevel gear 48 to rotate, the driven bevel gear 48 drives the spiral blade shaft 47 to rotate, the spiral blade shaft 47 stirs the carbon dioxide absorbent in the carbon dioxide absorption tank 46, so that the anesthetic waste gas in the carbon dioxide absorption tank 46 can be sucked out more easily, and at this time, under the action of the scavenging venturi tube 68, the anesthetic waste gas in the carbon dioxide absorbing canister 46 enters the breathing conduit 61 from the negative pressure connecting tube 69, and enters the waste gas sealing scavenging cover 16, according to the first embodiment, the up-and-down movement of the electric push rod drives the movable push plate 30 to move up and down, the movable push plate 30 drives the air suction piston shaft 29 to move up and down in the air suction sleeve 27, airflow is formed between the exhaust gas seal cleaning cover 16 and the exhaust gas treatment housing 1, and the scrubbing treatment of the exhaust gas in the exhaust gas seal cleaning cover 16 is continuously realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should be able to conceive of the present invention without creative design of the similar structural modes and embodiments without departing from the spirit of the present invention, and all such modifications should fall within the protection scope of the present invention.

Claims

1. The utility model provides a thoracic surgery operation anesthesia respirator, includes exhaust-gas treatment casing (1) and two bisymmetry's in lower part lift supporting leg (2), lift supporting leg (2) lower extreme is equipped with walking wheel (3), its characterized in that: an anesthetic waste gas sealing flowing mechanism (4) is arranged at the upper part of the waste gas treatment shell (1), an airflow generating mechanism (5) is arranged on the inner bottom wall of the waste gas treatment shell (1), an anesthetic waste gas treatment mechanism (6) is arranged in the waste gas treatment shell (1), the anesthetic waste gas treatment mechanism (6) is arranged at the upper part of the airflow generating mechanism (5), the anesthetic waste gas treatment mechanism (6) is arranged at the lower part of the anesthetic waste gas sealing flowing mechanism (4), an anesthetic gas mixing input mechanism (7) is arranged on the outer side wall of one side of the waste gas treatment shell (1), and a carbon dioxide absorption disturbing mechanism (8) is arranged on the outer side wall of the other side of the waste gas treatment shell (1);

the gas flow generating mechanism (5) comprises a fixing sleeve (9), a connecting rib plate (10), a connecting plate (11), an electric hydraulic push rod (12) and a gas mixing annular air bag (13), the fixing sleeve (9) is arranged on the lifting supporting leg (2), one end of the connecting rib plate (10) is arranged on the side wall of the fixing sleeve (9), the connecting plate (11) is arranged at the other end of the connecting rib plate (10), the gas mixing annular air bag (13) is arranged on the inner bottom wall of the waste gas treatment shell (1), the lower end of the electric hydraulic push rod (12) is arranged on the upper wall of the connecting plate (11), and the upper end of the electric hydraulic push rod (12) is arranged on the inner upper wall of the gas mixing annular air bag (13);

the anesthesia waste gas sealing flowing mechanism (4) comprises a head placing plate (14), a connecting piece (15), a waste gas sealing removing cover (16), a sealing ring (17), a joint air bag (18), a drying agent box (19) and a headrest (20), the head placing plate (14) is arranged at the opening of the upper end of the waste gas treatment shell (1), the headrest (20) is arranged on the upper wall of the head placing plate (14), the upper wall of the head placing plate (14) is provided with exhaust gas flow through holes (21) in an array manner, the upper wall of the head placing plate (14) is provided with a sealing groove (22), the connecting piece (15) is arranged on the outer side wall of the head placing plate (14), the waste gas sealing and removing cover (16) is arranged in a hemispherical cavity, the waste gas sealing and removing cover (16) is hinged on the head placing plate (14) through a connecting piece (15), the inner wall of the waste gas sealing and removing cover (16) is uniformly provided with airflow holes (23), an air bag mounting bayonet (24) is arranged on one side of the waste gas sealing and cleaning cover (16) far away from the connecting piece (15), the joint air bag (18) is arranged in the air bag mounting bayonet (24), one side of the joint air bag (18) is provided with a joint bayonet (25), the sealing ring (17) is arranged at the lower end edge of the waste gas sealing and cleaning cover (16), the drying agent box (19) is arranged on the outer wall of the waste gas sealing and removing cover (16);

the anesthesia waste gas treatment mechanism (6) comprises a gas washing pipe (26), a gas suction sleeve (27), a gas washing partition plate (28), a gas suction piston shaft (29) and a movable push plate (30), the upper end of a gas mixing annular air bag (13) is arranged on the movable push plate (30), the inner side wall of the waste gas treatment shell (1) is arranged on the gas washing partition plate (28), the gas suction sleeve (27) is a hollow cavity with an open lower end, the gas suction sleeve (27) is arranged between the gas washing partition plate (28) and a head placing plate (14), the upper end of the gas suction sleeve (27) is in one-to-one correspondence with an exhaust flow through hole (21), the upper wall of the gas washing partition plate (28) is arranged at the lower end of the gas suction sleeve (27), a one-way valve (31) is arranged on the upper end face of the gas suction sleeve (27), the gas suction sleeve (27) is communicated with the exhaust flow through hole (21) through the one-way valve (31), a connecting hole (32) is arranged on the outer wall of the gas suction sleeve (27), the upper end of the gas washing pipe (26) is arranged at the connecting hole (32) of the lower end of the gas suction sleeve (27), and a movable push plate (33) is arranged at the lower end of the gas suction piston shaft (27), the lower end of the air suction piston shaft (29) penetrates through the air washing partition plate (28) and is arranged on the upper wall of the movable push plate (30);

the anesthetic gas mixing input mechanism (7) comprises a first support plate (34), a placing box body (35), an oxygen tank (36), an oxygen guide pipe (37), a mixing Venturi tube (38), an anesthetic evaporating tank (39), an anesthetic guide pipe (40), a flow regulating valve (41) and an anesthetic one-way valve (42), the lower part of the outer wall of the waste gas treatment shell (1) is arranged on the first support plate (34), the box body (35) is arranged on the upper wall of the first support plate (34), the oxygen tank (36) is arranged on the inner bottom wall of the placing box body (35), the anesthetic evaporating tank (39) is arranged on the upper wall of the placing box body (35), the mixing Venturi tube (38) is arranged on the inner side wall of the waste gas treatment shell (1), the gas outlet end of the mixing Venturi tube (38) is connected with the gas inlet end of the gas mixing annular air bag (13) through a gas guide pipe, one end of the oxygen guide pipe (37) is connected with the oxygen tank (36), the other end of the oxygen guide pipe (37) is communicated with the gas inlet end of the mixing Venturi tube (38), one end of the anesthetic guide pipe (40) is connected with the anesthetic guide pipe (39), the other end of the anesthetic guide pipe (40) is communicated with the anesthetic one-way valve (42), the anesthetic guide pipe (40) is arranged on the anesthetic guide pipe (40), an air connecting pipe (43) is arranged at the air outlet end of the mixing Venturi tube (38), and a switch valve II (44) is arranged on the air connecting pipe (43);

the carbon dioxide absorption disturbance mechanism (8) comprises a second support plate (45), a carbon dioxide absorption tank (46), a spiral blade shaft (47), a driven bevel gear (48), a driving bevel gear (49), a rotating shaft (50), a support frame (51), a transmission rack (52), a transmission gear (53), a reinforcing support plate (54), a pneumatic shell (55), a sealing piston (56) and a return spring (57), wherein the second support plate (45) is arranged at the lower part of the outer wall of the waste gas treatment shell (1), the carbon dioxide absorption tank (46) is arranged on the upper wall of the second support plate (45), the spiral blade shaft (47) is arranged between the inner upper wall and the inner bottom wall of the carbon dioxide absorption tank (46), the upper end of the spiral blade shaft (47) penetrates through the upper wall of the carbon dioxide absorption tank (46), the driven bevel gear (48) is arranged on the upper end of the spiral blade shaft (47), the support frame (51) is arranged on the upper wall of the carbon dioxide absorption tank (46), the rotating shaft (50) penetrates through the support frame (51), one end of the driving bevel gear (49) is meshed with the rotating shaft (48), and the other end of the driving bevel gear (53), the utility model discloses a pneumatic casing, including pneumatic casing (55), backup pad (45), pneumatic casing (55), restoring spring (57), sealed piston (56), reinforcing backup pad (54), pneumatic casing (55), the up end of sealed piston (56), reinforcing backup pad (54), pneumatic casing (55) inner wall upper portion is located, the up end of sealed piston (56) is located to the lower extreme of driving rack (52), reinforcing backup pad (54) is run through to driving rack (52), driving rack (52) and drive gear (53) meshing.

2. The thoracic surgical anesthetic respirator of claim 1, wherein: the anesthetic tube (40) is provided with an air bag connecting tube (58), one end of the air bag connecting tube (58) is provided with a storage air bag (59), the lower end of the carbon dioxide absorption tank (46) is provided with a filtering ventilation tube (60), and the other end of the filtering ventilation tube (60) is arranged on the storage air bag (59).

3. The thoracic surgical anesthetic respirator of claim 2, wherein: the end of giving vent to anger of gas mixing annular gasbag (13) is equipped with breathing conduit (61), the other end of breathing conduit (61) is equipped with trachea cannula (62), trachea cannula (62) run through the sealed outer wall that clears away cover (16) of waste gas, be equipped with guide valve (63) on breathing conduit (61), guide valve (63) are the square setting, the upper end of carbon dioxide adsorption tank (46) is equipped with exhales connecting pipe (64), the other end and the guide valve (63) of exhaling connecting pipe (64) are connected, the inside wall of guide valve (63) is articulated to be equipped with through the torsional spring and turns to turn over board (65), it is equipped with sealed pad (66) to turn to the upper wall and the lower wall that turn over board (65), the lower extreme of pneumatic casing (55) is equipped with pneumatic breather pipe (67), the other end and the breathing conduit (61) intercommunication of pneumatic breather pipe (67), carbon dioxide adsorption tank (46) lower extreme is equipped with outer breather pipe (72), be equipped with outer ventilation switch (73) on breather pipe (72).

4. The thoracic surgical anesthetic respirator of claim 3, wherein: be equipped with on breathing pipe (61) and clear away venturi (68), the negative pressure end of clearing away venturi (68) is equipped with negative pressure connecting pipe (69), the other end and the expiration connecting pipe (64) of negative pressure connecting pipe (69) are linked together, be equipped with ooff valve (70) on negative pressure connecting pipe (69).

5. The thoracic surgical anesthetic respirator of claim 4, wherein: the outer wall of the drying agent box (19) is provided with a circulating vent pipe (71), and the other end of the circulating vent pipe (71) penetrates through the upper part of the outer wall of the waste gas treatment shell (1).