阅读说明：本技术 一种重症患者呼吸辅助装置 (Severe patient breathes auxiliary device ) 是由 彭卓 张瑞 党晓燕 古长维 于 2019-10-09 设计创作，主要内容包括：本发明公开了一种重症患者呼吸辅助装置,本发明的供气转换组件能够根据主氧气瓶内的压力大小自动在由主氧气瓶进行供气与由辅助氧气瓶进行供气之间进行切换,当主氧气瓶内的压力值大于设定值时,呼吸出气控制阀座由主氧气瓶进行供气；且当主氧气瓶内的压力值小于设定值时呼吸出气控制阀座由辅助氧气瓶进行供气；可有效的实现主氧气瓶与辅助氧气瓶之间的供气的自动切换；本发明当对主氧气瓶的压力值小于设定值后,在更换新的主氧气瓶后,供气转换组件还能够使得所述主氧气瓶对呼吸出气控制阀座进行重新供气的同时对所述辅助氧气瓶进行充气处理,可有效的保证氧气供应的可靠性和持续性,防止瞬间间断等问题,提高患者的心肺稳定性。(The invention discloses a respiratory assistance device for critically ill patients, wherein a gas supply conversion assembly can automatically switch between gas supply from a main oxygen cylinder and gas supply from an auxiliary oxygen cylinder according to the pressure in the main oxygen cylinder, and when the pressure value in the main oxygen cylinder is greater than a set value, a respiratory gas outlet control valve seat supplies gas from the main oxygen cylinder; when the pressure value in the main oxygen cylinder is smaller than the set value, the breathing air outlet control valve seat supplies air through the auxiliary oxygen cylinder; the automatic switching of the air supply between the main oxygen cylinder and the auxiliary oxygen cylinder can be effectively realized; according to the invention, after the pressure value of the main oxygen cylinder is smaller than the set value and a new main oxygen cylinder is replaced, the air supply conversion assembly can also enable the main oxygen cylinder to supply air to the respiration and air outlet control valve seat again and simultaneously carry out inflation treatment on the auxiliary oxygen cylinder, so that the reliability and the continuity of oxygen supply can be effectively ensured, the problems of instant interruption and the like are prevented, and the cardiopulmonary stability of a patient is improved.)

1. The breathing auxiliary device for the critically ill patients comprises a main oxygen bottle (16), an auxiliary oxygen bottle (11), an air supply conversion assembly (10), a breathing air outlet control valve seat (7) and a breathing mask (8), wherein the main oxygen bottle (16) and the auxiliary oxygen bottle (11) are both connected to the air supply conversion assembly (10), the air outlet end of the air supply conversion assembly (10) is connected to the breathing air outlet control valve seat (7), and the air outlet end of the breathing air outlet control valve seat (7) is connected to the breathing mask (8) through an air inlet hose; it is characterized in that the preparation method is characterized in that,

the gas supply conversion component (10) can automatically switch between gas supply from the main oxygen cylinder and gas supply from the auxiliary oxygen cylinder according to the pressure in the main oxygen cylinder (16); and is

When the pressure value in the main oxygen cylinder (16) is larger than a set value, the breathing gas outlet control valve seat (7) is used for supplying gas from the main oxygen cylinder (16); when the pressure value in the main oxygen cylinder (16) is smaller than a set value, the breathing air outlet control valve seat (7) is supplied with air by the auxiliary oxygen cylinder (11); and is

When right after the pressure value of main oxygen cylinder is less than the setting value, after changing new main oxygen cylinder, air feed conversion module (10) can also make main oxygen cylinder give vent to anger control valve seat (7) to breathing and go on when air feed again right supplementary oxygen cylinder (11) are aerifyd and are handled.

2. A critical patient breathing assistance device according to claim 1, characterised in that the volume of the inner cavity of the main oxygen cylinder (16) is at least 10 times the volume of the inner cavity of the auxiliary oxygen cylinder (11).

3. The respiratory assistance device for critically ill patients according to claim 1, wherein the gas supply conversion assembly (10) comprises a base body (28), a control valve core (31), a top pressing plug and a spring column (33), wherein a processing chamber (30) and a switching chamber (32) which are communicated together by a communicating hole are arranged in the base body (28), the top pressing plug is movably arranged in the communicating hole and is fixed at one end of the control valve core, the other end of the control valve core is connected to a gas outlet pipe joint (34) by the spring column (33), the spring column is located in the switching chamber, the processing chamber (30) is communicated with a gas inlet joint (25), the gas inlet joint is connected to the main oxygen bottle, the switching chamber (32) is further connected to the auxiliary oxygen bottle by an auxiliary gas inlet joint (29), and when the pressure value of the main oxygen cylinder can enable the spring force of the spring column pushed open by the jacking plug, the main oxygen cylinder is communicated with the switching cavity (32) through the processing cavity, when the pressure value of the main oxygen cylinder is not enough to enable the spring force of the spring column pushed open by the jacking plug, the communicating pore channel is in sealing connection with the jacking plug, and the switching cavity (32) is supplied with air by the auxiliary oxygen cylinder.

4. A respiratory assistance device for critically ill patients according to claim 3, wherein a ceramic sleeve (26) with an annular structure is embedded on the inner wall of the treatment chamber (30), and a preheating heater (27) is closely arranged on the inner side of the ceramic sleeve.

5. The respiratory assistance device for critically ill patients according to claim 3, wherein one end of the communicating pore passage close to the treatment cavity is of a conical or cylindrical structure, one end of the communicating pore passage close to the conversion cavity is of an arc-shaped conical structure, and the arc-shaped conical structure is provided with a communicating groove extending along the generatrix direction of the arc-shaped conical structure.

6. The respiratory assistance device for critically ill patients according to claim 3, further comprising a mounting base plate (1), wherein four support rods (3) are arranged at the edge position of the upper surface of the mounting base plate (1) in a rectangular distribution manner, a support platform (9) is fixedly arranged at the upper ends of the support rods (3), a mounting block (6) is fixedly arranged at the edge position of the upper surface of the support platform (9), a display screen (5) is arranged at the rear end of the upper surface of the mounting block (6), a control panel (4) for controlling the respiratory gas outlet control valve seat (7) is arranged at the inclined plane position of the front end of the upper surface of the mounting block (6), and the respiratory gas outlet control valve seat (7) is arranged on the support platform (9).

7. The respiratory assistance device for critically ill patients according to claim 6, wherein an auxiliary oxygen input tube (12) is fixedly installed at a middle position of the upper surface of the auxiliary oxygen cylinder (11), a main oxygen input tube (15) is fixedly installed at a middle position of the upper surface of the main oxygen cylinder (16), and an oxygen supply tube (13) is connected to an air outlet joint (34) of the air supply conversion assembly.

8. A critical patient breathing assistance device according to claim 1, wherein the main oxygen inlet tube (15) and the auxiliary oxygen inlet tube (12) are each provided with a gas flow rate sensor, a gas pressure sensor or a gas flow sensor (14), and the main oxygen inlet tube (15) is further provided with a one-way valve (24).

9. The respiratory assistance device for the critically ill patients according to claim 8, wherein the respiratory mask (8) comprises an air inlet pipe joint (23) fixedly installed with the gas mixing chamber (7), an air inlet hose (22) is fixedly installed at one end of the air inlet pipe joint (23), a medicine cup (21) is fixedly installed at the upper end of the air inlet hose (22), a transition joint (20) is fixedly installed at the upper end of the medicine cup (21), a mask body (17) is fixedly installed at the upper end of the transition joint (20), through holes (18) are symmetrically formed in the side surface of the mask body (17), and an elastic band fixing piece (19) is fixedly installed at the edge position of the side surface of the mask body (17).

10. The respiratory assistance device for the critically ill patient according to claim 9, wherein a transition joint (20) is fixedly installed on the lower surface of the front end of the mask body (17), and the mask body (17) is fixedly connected with the medicine cup (21) through the transition joint (20).

Technical Field

The invention relates to the technical field of medical equipment, in particular to a respiratory assistance device for a severe patient.

Background

For critically ill patients, an oxygen therapy machine is generally required to assist respiration. Because a critically ill patient generally needs to perform auxiliary breathing for a long time, if the patient cannot be replaced in time after the oxygen in the oxygen cylinder is reduced or the use of the patient is exhausted, adverse effects are generated on the patient, even if the patient is replaced, the breathing condition of the patient is easily influenced during the replacement, and adverse fluctuation is generated on the heart and lungs of the patient, meanwhile, the temperature and humidity conditions of the oxygen cylinder are slightly different, so that the patient is easily uncomfortable after the replacement, and the large fluctuation of the heart and lungs of the patient is caused, the fluctuation generally cannot generate large influence on the general patient, but for the critically ill patient, the fluctuation can generate large adverse effect on the rehabilitation of the critically ill patient, so how to improve the breathing assistance capability of the critically ill patient and keep the state all the time, for the emergency treatment of the critically ill patient, has extremely important function.

Accordingly, the present invention is directed to a respiratory assistance device for critically ill patients to solve the problems set forth in the background above.

Disclosure of Invention

The present invention is directed to a respiratory assistance device for critically ill patients, which solves the problems set forth in the background above.

In order to achieve the purpose, the invention provides the following technical scheme:

a respiratory assistance device for critically ill patients comprises a main oxygen cylinder, an auxiliary oxygen cylinder, an air supply conversion component, an air outlet control valve seat for breathing and a breathing mask, wherein the main oxygen cylinder and the auxiliary oxygen cylinder are connected to the air supply conversion component; it is characterized in that the preparation method is characterized in that,

the gas supply conversion component can automatically switch between gas supply from the main oxygen cylinder and gas supply from the auxiliary oxygen cylinder according to the pressure in the main oxygen cylinder; and is

When the pressure value in the main oxygen cylinder is larger than a set value, the breathing gas outlet control valve seat supplies gas from the main oxygen cylinder; when the pressure value in the main oxygen cylinder is smaller than a set value, the breathing gas outlet control valve seat is used for supplying gas by the auxiliary oxygen cylinder; and is

When right after the pressure value of main oxygen cylinder is less than the setting value, after changing new main oxygen cylinder, air feed conversion module can also make main oxygen cylinder is right when giving vent to anger the control valve seat to breathe and carry out the air feed again auxiliary oxygen cylinder aerifys the processing.

Further, preferably, the volume of the inner cavity of the main oxygen cylinder is at least twice of the volume of the inner cavity of the auxiliary oxygen cylinder.

Further, as a preferred option, the gas supply conversion assembly includes a base, a control valve core, a top press plug and a spring column, wherein a processing chamber and a switching chamber communicated together by a communicating channel are provided in the base, the top press plug is movably provided in the communicating channel and fixed at one end of the control valve core, the other end of the control valve core is connected to a gas outlet pipe connector by the spring column, the spring column is located in the switching chamber, the processing chamber is communicated with a gas inlet connector, the gas inlet connector is connected to the main oxygen cylinder, the switching chamber is also connected to the auxiliary oxygen cylinder by an auxiliary gas inlet connector, and when the pressure value of the main oxygen cylinder enables the spring force of the spring column to be pushed open by the top press plug, the main oxygen cylinder is communicated with the switching chamber through the processing chamber, when the pressure value of the main oxygen cylinder is not enough to enable the jacking plug to jack the spring force of the spring column, the communicating pore channel is in sealing connection with the jacking plug, and the switching cavity is supplied with air by the auxiliary oxygen cylinder.

Preferably, a ceramic sleeve with an annular structure is embedded in the inner wall of the treatment cavity, and a preheating heater is arranged on the inner side of the ceramic sleeve in a clinging manner.

Preferably, one end of the communicating pore passage, which is close to the processing cavity, is of a conical or cylindrical structure, one end of the communicating pore passage, which is close to the conversion cavity, is of an arc-shaped conical structure, and the arc-shaped conical structure is provided with a communicating groove extending along the generatrix direction of the communicating groove.

Further, as preferred, still include mounting plate, mounting plate's upper surface border position is the rectangle distribution and installs four spinal branch vaulting poles, the upper end fixed mounting of bracing piece has supporting platform, supporting platform's upper surface border position fixed mounting has the installation piece, the upper surface rear end of installation piece is provided with the display screen, the upper surface front end inclined plane position of installation piece is provided with the control panel who controls breathing air outlet control valve seat, breathe air outlet control valve seat install in on the supporting platform.

Further, as preferred, the upper surface intermediate position fixed mounting of supplementary oxygen cylinder has supplementary oxygen input tube, the upper surface intermediate position fixed mounting of main oxygen cylinder has main oxygen input tube, connect the oxygen supply pipe on the coupling of giving vent to anger of air feed conversion components.

Further, preferably, the main oxygen input pipe and the auxiliary oxygen input pipe are both provided with a gas flow velocity sensor, a gas pressure sensor or a gas flow sensor, and the main oxygen input pipe is also provided with a one-way valve.

Further, as preferred, respirator includes with gas mixing chamber fixed mounting's air intake pipe connector, air intake pipe connector's one end fixed mounting has air inlet hose, air inlet hose's upper end fixed mounting has the medicine cup, medicine cup upper end fixed mounting has transition joint, transition joint's upper end fixed mounting has the face guard body, the through-hole has been seted up to the side surface symmetry of face guard body, the side surface edge fixed mounting of face guard body has the elastic cord mounting.

Further, as preferred, the lower surface of the front end of the mask body is fixedly provided with a transition joint, and the mask body is fixedly connected with the medicine cup through the transition joint.

Compared with the prior art, the invention has the beneficial effects that:

(1) the air supply conversion assembly can automatically switch between air supply by the main oxygen cylinder and air supply by the auxiliary oxygen cylinder according to the pressure in the main oxygen cylinder, so that when the pressure value in the main oxygen cylinder is greater than a set value, the main oxygen cylinder supplies air to the respiration air outlet control valve seat; when the pressure value in the main oxygen cylinder is smaller than the set value, the breathing air outlet control valve seat supplies air through the auxiliary oxygen cylinder; the automatic switching of the air supply between the main oxygen cylinder and the auxiliary oxygen cylinder can be effectively realized, manual monitoring is not needed, and the using capacity and the safety effect are improved;

(2) when the pressure value of the main oxygen cylinder is smaller than the set value, and the main oxygen cylinder is replaced by a new main oxygen cylinder, the air supply conversion assembly can enable the main oxygen cylinder to supply air to the respiration air outlet control valve seat again and simultaneously inflate the auxiliary oxygen cylinder, so that the reliability and the continuity of oxygen supply can be effectively guaranteed, the problems of instant interruption and the like are prevented, and the cardiopulmonary stability of a patient is improved;

(3) the mask body and the medicine cup are connected through the transition joint, so that the mask is convenient to disassemble and assemble, the cleaning steps of the breathing auxiliary device are simplified, the working strength of medical staff is reduced, and the cleaning efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of a respiratory assistance apparatus for critically ill patients;

FIG. 2 is a schematic diagram of an oxygen regulating device in a respiratory assistance apparatus for critically ill patients;

fig. 3 is a schematic view of a breathing mask in a respiratory assistance apparatus for critically ill patients.

Fig. 4 is a schematic diagram of a gas supply switching assembly of a respiratory assistance apparatus for critically ill patients.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present invention, an assisted respiration device for critically ill patients includes a main oxygen cylinder 16, an assisted oxygen cylinder 11, an air supply conversion module 10, an air outlet control valve seat 7 and a respiratory mask 8, wherein the main oxygen cylinder 16 and the assisted oxygen cylinder 11 are both connected to the air supply conversion module 10, an air outlet end of the air supply conversion module 10 is connected to the air outlet control valve seat 7, and an air outlet end of the air outlet control valve seat 7 is connected to the respiratory mask 8 by an air inlet hose; the air supply conversion component 10 is characterized in that the air supply conversion component can automatically switch between air supply by the main oxygen cylinder and air supply by the auxiliary oxygen cylinder according to the pressure in the main oxygen cylinder 16; and is

When the pressure value in the main oxygen cylinder 16 is greater than a set value, the breathing gas outlet control valve seat 7 is used for supplying gas from the main oxygen cylinder 16; when the pressure value in the main oxygen cylinder 16 is smaller than a set value, the breathing gas outlet control valve seat 7 is supplied with gas by the auxiliary oxygen cylinder 11; and is

When right after the pressure value of main oxygen cylinder is less than the setting value, after changing new main oxygen cylinder, air feed conversion module 10 can also make main oxygen cylinder give vent to anger control valve seat 7 to breathe and go on when air feed again right supplementary oxygen cylinder 11 aerifys the processing.

In this embodiment, the volume of the inner cavity of the main oxygen cylinder 16 is at least 10 times of the volume of the inner cavity of the auxiliary oxygen cylinder 11.

As a preferred embodiment, the gas supply conversion assembly 10 includes a base 28, a control valve core 31, a top pressing plug and a spring column 33, wherein a processing chamber 30 and a switching chamber 32 which are communicated together by a communicating hole are provided in the base 28, the top pressing plug is movably provided in the communicating hole and fixed at one end of the control valve core, the other end of the control valve core is connected to a gas outlet pipe joint 34 by the spring column 33, the spring column is located in the switching chamber, the processing chamber 30 is communicated with a gas inlet joint 25, the gas inlet joint is connected to the main oxygen cylinder, the switching chamber 32 is further connected to the auxiliary oxygen cylinder by an auxiliary gas inlet joint 29, and when the pressure value of the main oxygen cylinder enables the top pressing plug to open the spring force of the spring column, the main oxygen cylinder is communicated with the switching chamber 32 through the processing chamber, when the pressure value of the main oxygen cylinder is not enough to enable the top pressing plug to jack the spring force of the spring column, the communicating pore channel is in sealing connection with the top pressing plug, and the switching cavity 32 is supplied with air by the auxiliary oxygen cylinder.

In order to ensure the temperature performance of the input oxygen, a ceramic sleeve 26 with an annular structure is embedded in the inner wall of the processing chamber 30, and a preheating heater 27 is arranged on the inner side of the ceramic sleeve in a clinging manner.

One end of the communicating pore passage, which is close to the processing cavity, is of a conical or cylindrical structure, one end of the communicating pore passage, which is close to the conversion cavity, is of an arc conical structure, and the arc conical structure is provided with a communicating groove extending along the direction of a bus of the communicating pore passage.

In addition, the air conditioner also comprises an installation bottom plate 1, four support rods 3 are arranged at the edge position of the upper surface of the installation bottom plate 1 in a rectangular distribution mode, a support platform 9 is fixedly installed at the upper ends of the support rods 3, an installation block 6 is fixedly installed at the edge position of the upper surface of the support platform 9, a display screen 5 is arranged at the rear end of the upper surface of the installation block 6, a control panel 4 for controlling a breath air outlet control valve seat 7 is arranged at the inclined plane position of the front end of the upper surface of the installation block 6, and the breath air outlet control valve seat 7 is installed on the support platform 9.

The upper surface intermediate position fixed mounting of supplementary oxygen cylinder 11 has supplementary oxygen input tube 12, the upper surface intermediate position fixed mounting of main oxygen cylinder 16 has main oxygen input tube 15, connect oxygen supply pipe 13 on the outlet duct joint 34 of air feed conversion subassembly.

The main oxygen input pipe 15 and the auxiliary oxygen input pipe 12 are both provided with a gas flow velocity sensor, a gas pressure sensor or a gas flow sensor 14, and the main oxygen input pipe 15 is also provided with a one-way valve 24. Breathing mask 8 includes air intake pipe connector 23 with 7 fixed mounting of gas mixing chamber, the one end fixed mounting of air intake pipe connector 23 has air intake hose 22, air intake hose 22's upper end fixed mounting has medicine cup 21, medicine cup 21 upper end fixed mounting has transition joint 20, transition joint 20's upper end fixed mounting has face guard body 17, through-hole 18 has been seted up to face guard body 17's side surface symmetry, face guard body 17's side surface edge position fixed mounting has elastic cord mounting 19.

The lower surface of the front end of the mask body 17 is fixedly provided with a transition joint 20, and the mask body 17 is fixedly connected with a medicine cup 21 through the transition joint 20.

A protective sleeve 35 is further sleeved outside the seat body 28 of the air supply conversion assembly 10.

The air supply conversion assembly can automatically switch between air supply by the main oxygen cylinder and air supply by the auxiliary oxygen cylinder according to the pressure in the main oxygen cylinder, so that when the pressure value in the main oxygen cylinder is greater than a set value, the main oxygen cylinder supplies air to the respiration air outlet control valve seat; when the pressure value in the main oxygen cylinder is smaller than the set value, the breathing air outlet control valve seat supplies air through the auxiliary oxygen cylinder; the automatic switching of the air supply between the main oxygen cylinder and the auxiliary oxygen cylinder can be effectively realized, manual monitoring is not needed, and the using capacity and the safety effect are improved; when the pressure value of the main oxygen cylinder is smaller than the set value, and the main oxygen cylinder is replaced by a new main oxygen cylinder, the air supply conversion assembly can enable the main oxygen cylinder to supply air to the respiration air outlet control valve seat again and simultaneously inflate the auxiliary oxygen cylinder, so that the reliability and the continuity of oxygen supply can be effectively guaranteed, the problems of instant interruption and the like are prevented, and the cardiopulmonary stability of a patient is improved; the mask body and the medicine cup are connected through the transition joint, so that the mask is convenient to disassemble and assemble, the cleaning steps of the breathing auxiliary device are simplified, the working strength of medical staff is reduced, and the cleaning efficiency is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.