CN210933250U - Anesthesia machine and dual monitoring device of air flue pressure thereof - Google Patents
Anesthesia machine and dual monitoring device of air flue pressure thereof Download PDFInfo
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- CN210933250U CN210933250U CN201921350060.0U CN201921350060U CN210933250U CN 210933250 U CN210933250 U CN 210933250U CN 201921350060 U CN201921350060 U CN 201921350060U CN 210933250 U CN210933250 U CN 210933250U
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Abstract
The utility model discloses an anesthesia machine airway pressure dual monitoring device and an anesthesia machine, wherein the airway pressure dual monitoring device comprises a pressure detection group for collecting airway pressure of the anesthesia machine, a safety valve arranged on an airway pipeline of the anesthesia machine, a first CPU arranged on a monitoring board of the anesthesia machine and a second CPU arranged on an electronic flowmeter of the anesthesia machine; the first CPU and the second CPU are both connected with the pressure detection group and the safety valve, and the safety valve is controlled to act according to the airway pressure collected by the pressure detection group. In the utility model, the CPU is arranged on the electronic flowmeter of the anesthesia machine, and is independent of the CPU on the monitoring board, and both the CPUs can control the action of the safety valve according to the air passage pressure, thereby realizing the monitoring of the air passage pressure; under the condition that the CPU on the monitoring board fails, the monitoring of the airway pressure can still be completed through the CPU on the electronic flowmeter, the airway pressure of the anesthesia machine is ensured to be in a proper range, and the patient is prevented from being injured by the abnormal airway pressure.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a dual monitoring device of anesthesia machine airway pressure.
Background
The functional safety of the anesthesia machine is the latest requirement of CE, and the problem that the patient cannot be hurt under the condition of single fault is solved, and the pressure monitoring and control are the most important points. If the pressure of the air passage of the anesthesia machine is overlarge, barotrauma can be generated to the patient; if the airway pressure is too low, the patient may be under ventilated.
At present, the method for monitoring the airway pressure of an anesthesia machine is to monitor a pressure sensor through a CPU and control a safety valve to regulate the airway pressure. The CPU is usually only arranged on a monitoring board of the anesthesia machine, if the CPU is abnormal, although a watchdog exists, the problem of software can be avoided, and if CPU hardware fails, the problem cannot be avoided, so that the monitoring and control of airway pressure are abnormal, and the patient can be injured.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an anesthesia machine air flue pressure dual monitoring device and have this air flue pressure dual monitoring device who solves single trouble problem with dual pressure monitoring.
The utility model provides a technical scheme that its technical problem adopted is: the double monitoring device for the airway pressure of the anesthesia machine is arranged on the anesthesia machine and comprises a pressure detection group for collecting the airway pressure of the anesthesia machine, a safety valve arranged on an airway pipeline of the anesthesia machine, a first CPU arranged on a monitoring board of the anesthesia machine and a second CPU arranged on an electronic flowmeter of the anesthesia machine;
the first CPU and the second CPU are both connected with the pressure detection group and the safety valve, and the safety valve is controlled to act according to the airway pressure collected by the pressure detection group.
Preferably, the pressure detection group comprises a first pressure sensor arranged on an airway pipeline of the anesthesia machine and a second pressure sensor arranged on the electronic flowmeter.
Preferably, the first CPU is connected to the first pressure sensor and the safety valve, and controls the safety valve to operate according to the airway pressure acquired by the first pressure sensor;
and the second CPU is connected with the second pressure sensor and the safety valve, and controls the action of the safety valve according to the air passage pressure acquired by the second pressure sensor.
Preferably, the first CPU and the second CPU are in communication connection;
under the condition that the first CPU normally operates, the first CPU controls the action of a safety valve according to the airway pressure acquired by the first pressure sensor;
and under the condition that the first CPU fails, the second CPU is started, and the action of a safety valve is controlled according to the airway pressure acquired by the second pressure sensor.
Preferably, the second CPU and the second pressure sensor are disposed on a board of the electronic flow meter.
The utility model also provides an anesthesia machine, including above arbitrary dual monitoring device of air flue pressure.
Preferably, the anesthesia machine further comprises an alarm device;
the first CPU and the second CPU of the airway pressure dual monitoring device are connected with the alarm device, when the received airway pressure is lower than a set value, an alarm instruction is sent to the alarm device, and the alarm device starts to send an alarm signal.
The utility model has the advantages that: the CPU is arranged on the electronic flowmeter of the anesthesia machine, is independent of the CPU on the monitoring board, and both the CPUs can control the action of the safety valve according to the airway pressure so as to realize the monitoring of the airway pressure; under the condition that the CPU on the monitoring board fails, the monitoring of the airway pressure can still be completed through the CPU on the electronic flowmeter, the airway pressure of the anesthesia machine is ensured to be in a proper range, and the patient is prevented from being injured by the abnormal airway pressure.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a block diagram of the airway pressure dual monitoring device of an anesthesia machine according to an embodiment of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the dual monitoring device for airway pressure of anesthesia machine of the present invention is disposed on the anesthesia machine, and comprises a pressure detection set for collecting airway pressure of the anesthesia machine, a safety valve 30 disposed on the airway pipeline of the anesthesia machine, a first CPU10 disposed on the monitoring board of the anesthesia machine, and a second CPU20 disposed on the electronic flow meter of the anesthesia machine.
The first CPU10 and the second CPU20 are both connected with the pressure detection group and the safety valve 30, and the first CPU10 and the second CPU20 can control the safety valve 30 to act according to the airway pressure collected by the pressure detection group. When the received airway pressure is greater than the set value, the safety valve 30 is controlled to open to release the pressure until the airway pressure is reduced to be within the range of the set value.
The first CPU10 and the second CPU20 are communicatively coupled. Under the normal operation condition of the first CPU10, the airway pressure is mainly regulated and controlled through the first CPU 10; when the first CPU10 fails, the second CPU20 is activated to regulate the airway pressure and maintain the airway pressure within a set range.
Further, the pressure detection group comprises a first pressure sensor 41 arranged on the airway pipeline of the anesthesia machine, and a second pressure sensor 42 arranged on the electronic flow meter. The second pressure sensor 42 is independent of the first pressure sensor 41. The second CPU20 and the second pressure sensor 42 are primarily located on the board of the electronic flow meter.
The first CPU10 is connected to the first pressure sensor 41 and the safety valve 30, and controls the safety valve 30 to operate according to the airway pressure collected by the first pressure sensor 41; the second CPU20 is connected to the second pressure sensor 42 and the relief valve 30, and controls the action of the relief valve 30 based on the airway pressure detected by the second pressure sensor 42.
In combination with the arrangement of the first pressure sensor 41 and the second pressure sensor 42, under the condition that the first CPU10 operates normally, the first CPU10 controls the action of the safety valve 30 according to the airway pressure collected by the first pressure sensor 41; in the event of a failure of the first CPU10, the second CPU20 is activated, and the second CPU20 controls the action of the safety valve 30 according to the airway pressure detected by the second pressure sensor 41.
In addition, the first CPU10 and the second CPU20 are connected with an alarm device of the anesthesia machine, and when the received airway pressure is lower than a set value, an alarm instruction is sent to the alarm device, so that the alarm device is started to send out an alarm signal (comprising lighting/ringing) to inform an operator. After receiving the alarm signal, the operator can raise the pressure of the airway through inflation.
The utility model discloses a dual monitoring method of anesthesia machine air flue pressure can adopt foretell monitoring device to realize, refers to fig. 1, the utility model discloses a dual monitoring method of anesthesia machine air flue pressure can include following step:
the pressure detection group arranged on the anesthesia machine collects the airway pressure of the anesthesia machine;
the first CPU10 on the anesthesia machine monitoring board controls the action of the safety valve 30 on the airway pipeline of the anesthesia machine according to the airway pressure collected by the pressure detection group;
in case of failure of the first CPU10, the second CPU20 provided on the electronic flow meter of the anesthesia machine is activated, and the second CPU20 controls the action of the safety valve 30 according to the airway pressure collected by the pressure detection group.
The pressure detection group comprises a first pressure sensor 41 arranged on an airway pipeline of the anesthesia machine and a second pressure sensor 42 arranged on the electronic flow meter.
The first CPU10 is connected to the first pressure sensor 41, and when the first CPU10 is normal (no fault), the first pressure sensor 41 collects the airway pressure and transmits the collected airway pressure to the first CPU10, and the first CPU10 controls the operation of the safety valve 30 according to the airway pressure collected by the first pressure sensor 41. When the airway pressure received by the first CPU10 is greater than the set value, the first CPU10 controls the relief valve 30 to open for pressure relief. When the airway pressure is within the set value range, the first CPU10 controls the relief valve 30 to remain closed (not open).
The second CPU20 is connected to the second pressure sensor 42, the second CPU20 is activated when the first CPU10 fails, the airway pressure is collected by the second pressure sensor 42 and transmitted to the second CPU20, and the second CPU20 controls the operation of the safety valve 30 according to the airway pressure collected by the second pressure sensor 42. When the airway pressure received by the second CPU20 is greater than the set value, the second CPU20 controls the relief valve 30 to open for pressure relief. When the airway pressure is within the set value range, the second CPU20 controls the relief valve 30 to remain closed (not open).
The utility model discloses an among the anesthesia machine airway pressure dual monitoring method, when first CPU10 or second CPU20 received airway pressure is less than the setting value, first CPU10 or second CPU20 send alarm command for the alarm device of anesthesia machine, make alarm device start-up send alarm signal (including light/ring), inform operating personnel. After receiving the alarm signal, the operator can raise the pressure of the airway through inflation.
Additionally, the utility model discloses an among monitoring device and the monitoring method, pressure detection group also can only include a pressure sensor, and first CPU10 and second CPU20 all are connected with this pressure sensor to receive the air flue pressure that this pressure sensor gathered, and make corresponding action according to air flue pressure control relief valve 30.
The utility model discloses an anesthesia machine, including the dual monitoring device of foretell air flue pressure. The airway pressure monitoring device comprises an airway pressure monitoring device, a first CPU and a second CPU of the airway pressure monitoring device are connected with the alarm device, when the received airway pressure is lower than a set value, an alarm instruction is sent to the alarm device, and the alarm device starts to send an alarm signal (including lighting/sounding).
The utility model discloses an alarm device of anesthesia machine to and except that the unexpected other devices of dual monitoring device of air flue pressure all adopt prior art to realize, no longer give consideration to here.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. The double monitoring device for the airway pressure of the anesthesia machine is arranged on the anesthesia machine and is characterized by comprising a pressure detection group for collecting the airway pressure of the anesthesia machine, a safety valve arranged on an airway pipeline of the anesthesia machine, a first CPU arranged on a monitoring board of the anesthesia machine and a second CPU arranged on an electronic flowmeter of the anesthesia machine;
the first CPU and the second CPU are both connected with the pressure detection group and the safety valve, and the safety valve is controlled to act according to the airway pressure collected by the pressure detection group.
2. The dual monitoring device for airway pressure of anesthesia machine of claim 1, wherein said pressure detection set comprises a first pressure sensor disposed on the airway line of anesthesia machine, a second pressure sensor disposed on said electronic flow meter.
3. The double monitoring device for the airway pressure of the anesthesia machine as claimed in claim 2, wherein the first CPU is connected to the first pressure sensor and the safety valve, and controls the safety valve to operate according to the airway pressure collected by the first pressure sensor;
and the second CPU is connected with the second pressure sensor and the safety valve, and controls the action of the safety valve according to the air passage pressure acquired by the second pressure sensor.
4. The dual monitoring device for airway pressure of anesthesia machines of claim 3, wherein said first CPU is communicatively connected to said second CPU;
under the condition that the first CPU normally operates, the first CPU controls the action of a safety valve according to the airway pressure acquired by the first pressure sensor;
and under the condition that the first CPU fails, the second CPU is started, and the action of a safety valve is controlled according to the airway pressure acquired by the second pressure sensor.
5. The dual monitor device for airway pressure of anesthesia machines of claim 2, wherein said second CPU and second pressure sensor are disposed on the board card of said electronic flow meter.
6. An anesthesia machine comprising the dual airway pressure monitoring apparatus of any of claims 1-5.
7. The anesthesia machine of claim 6, further comprising an alarm device;
the first CPU and the second CPU of the airway pressure dual monitoring device are connected with the alarm device, when the received airway pressure is lower than a set value, an alarm instruction is sent to the alarm device, and the alarm device starts to send an alarm signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921350060.0U CN210933250U (en) | 2019-08-19 | 2019-08-19 | Anesthesia machine and dual monitoring device of air flue pressure thereof |
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| CN201921350060.0U CN210933250U (en) | 2019-08-19 | 2019-08-19 | Anesthesia machine and dual monitoring device of air flue pressure thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433367A (en) * | 2019-08-19 | 2019-11-12 | 深圳市诺然美泰科技股份有限公司 | The dual monitoring device of Anesthesia machine airway pressure and method |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433367A (en) * | 2019-08-19 | 2019-11-12 | 深圳市诺然美泰科技股份有限公司 | The dual monitoring device of Anesthesia machine airway pressure and method |
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