CN102614568A - Pressure wWireless dynamic pressure monitoring device for artificial trachea cuff - Google Patents
Pressure wWireless dynamic pressure monitoring device for artificial trachea cuff Download PDFInfo
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- CN102614568A CN102614568A CN2012100852943A CN201210085294A CN102614568A CN 102614568 A CN102614568 A CN 102614568A CN 2012100852943 A CN2012100852943 A CN 2012100852943A CN 201210085294 A CN201210085294 A CN 201210085294A CN 102614568 A CN102614568 A CN 102614568A
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Abstract
The invention discloses a pressure wireless dynamic monitoring device for an artificial trachea cuff. A pressure sensor transmits pressure information to an analog-to-digital converter, the analog-to-digital converter is connected with a microprocessor, the microprocessor is connected with a bedside node wireless communication module, the bedside node wireless communication module is communicated with a network coordinator via a wireless network router, the network coordinator is connected with a nurse station computer, the bedside node wireless communication module takes charge of coordinating wireless communication of the network router and transmits the trachea pressure information and bedside number information data to the nurse station monitoring computer, and the network coordinator further has functions of a gateway. On the one hand, the pressure wireless dynamic monitoring device is communicated with bedside nodes via the network router, and on the other hand, the pressure wireless dynamic monitoring device is connected with the nurse station computer, carries out commands of the computer and responds correspondingly. The pressure wireless dynamic monitoring device is reasonable in structure and fine in work performance.
Description
Technical field
The present invention relates to a kind of artificial airway and overlap the wireless dynamic monitor of bag pressure power.
Background technology
The artificial airway is being connected of between physiology air flue and other sources of the gas, setting up, and is one of common emergency measures of ICU critical illness patient, and purpose is to keep patient airway unobstructed, removes respiratory secretions and carries out mechanical ventilation.Setting up artificial airway's patient, often is that oral trachea cannula or tracheostoma are placed sleeve pipe.Front end outer wall in tracheal intubation or tracheal casing pipe is provided with air bag, and inflation back expansion can be played airtight air flue, prevents the effect of leaking gas and avoiding oropharynx secretions mistake to inhale.
Along with improving constantly of the histocompatibility of setting up the applied endotracheal tube of artificial airway, the high appearance type of low pressure endotracheal tube need not regularly charge and discharge gas.Can not alleviate the damage of tracheal mucosa and the complication of bottleneck throat because be interrupted venting, and the frequent gas that charges and discharge can increase that mistake is inhaled and the possibility of gas leakage.For the higher critical illness patient of mechanical ventilation condition, air bag deflation will cause alveolar hypoventilation, and the critical patient often can not tolerate.And annulus trachealis and the normal mean arterial pressure of tracheal mucosa blood capillary are 32 mmHg, and it is objective reality that long-time too high cover bag pressure power will cause the air flue damage; Because of not sealing backflowing such as gastric content of being brought, air flue do not cause injury of lung and respirator dependency pneumonia is bigger to patient's harm.Therefore adopt and overlap the bag pressure force measuring method accurately to keep minimum bladder volume and pressure be very significant for critical patient's airway management.
Find that in clinical position the artificial airway who adjusts overlaps bag pressure power and often As time goes on changes.According to 3 monitoring covers bag pressure power every day of guideline recommendation, the cover bag pressure power that leaves standstill can maintain the scope of expection basically, but clinical demonstration can not maintain pressure 25～30cmH of guideline recommendation
2O.The cover intracapsular pressure is except that gas injection rate, catheter type; Also relevant with patient's position, trachea thickness, muscular flaccidity degree and external influence power, airway pressure, if cover bag pressure power can not continuous monitoring very likely can not in time be found to overlap the variation of bag pressure power and causes potential safety hazard in the clinical position; There are differences between the different observers simultaneously, we have designed the wireless dynamic monitor of cover bag pressure power for this reason.
Summary of the invention
The objective of the invention is to through a kind of rational in infrastructure, the artificial airway of favorable working performance overlaps the wireless dynamic monitor of bag pressure power.
Technical solution of the present invention is:
A kind of artificial airway overlaps the wireless dynamic monitor of bag pressure power; It is characterized in that: comprise the pressure transducer that is arranged on cover capsule position; Pressure transducer is transferred to A/D converter with pressure information, and A/D converter is connected with microprocessor, and microprocessor is connected with bedside node wireless communication module; Bedside node wireless communication module is communicated by letter with network coordinator through the wireless network router, and network coordinator is connected with the nurse station computer; Bedside node wireless communication module is responsible for the radio communication of coordination network router, and airway pressure information bed bark mark information data is sent to nurse station monitoring computer; The dual-use function of network coordinator is integrated gateway and coordinator.Through network router and bedside node communication, connect with the computer of nurse station on the other hand on the one hand, carry out the order of computer and make corresponding response.
The antenna of bedside node wireless communication module adopts the monopole resonant antenna, and length is 1/4th of electron wavelength, and is incorporated in the circuit board.
A/D converter is 24 Bits Serial A/D converters, and chip internal has an extremely low noise chopper-stabilized instrumentation amplifier, and its gain is chosen as 2n (n=O～6), allows the input of small-signal, has improved the dynamic characteristic of system.Its common mode rejection ratio representative value at 50 Hz can reach 120 dB, and this is very favourable to from high common-mode voltage, detecting faint differential voltage signal.24 A/D signal is delivered to microprocessor, on touch screen, shows airway pressure information after treatment.
The present invention is rational in infrastructure, favorable working performance.
Network coordinator is the core that the wireless network artificial airway overlaps bag pressure power monitoring system, is responsible for selective system working channel and network identifier, and the artificial airway who sets up wireless network overlaps bag pressure power monitoring system.Because the floor broad of hospital, the ward is more, and system adds router node.Router node is placed between node wireless communication module and the network coordinator, thereby increases the quantity of bedside node to a greater extent, enlarges network coverage.
Adopt the pressure in the radio node pick off dynamic monitoring cover capsule, can write down automatically and report to the police, the pressure data digitized shows accurately and reliably.Breathe the feedback of situation in conjunction with patients with mechanical ventilation, can accomplish to select to be fit to individual cover intraluminal pressure, accomplish air flue mucosa minimum pressure and will leak gas, the risk of mistake suction drops to minimum.Adopt independently the wireless pressure sensor monitoring to reduce the operation of nursing staff to each patient, reduced the risk of iatrogenic pollution and cross infection, meet that nosocomial infection takes precautions against and the requirement of disinfection and isolation management at bedside.Preventing gas leakage, avoiding mistake to inhale, prevention aspiration pneumonitis and endotracheal tube are pulled out the back airway constriction, and there is positive effect aspects such as dysphagia and tracheo esophageal fistula.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Fig. 1 is the structural representation of one embodiment of the invention.
The specific embodiment
A kind of artificial airway overlaps the wireless dynamic monitor of bag pressure power; Comprise the pressure transducer 1 that is arranged on cover capsule position; Pressure transducer is transferred to A/D converter 2 with pressure information, and A/D converter is connected with microprocessor 3, and microprocessor is connected with bedside node wireless communication module 4; Bedside node wireless communication module is communicated by letter with network coordinator 6 through the wireless network router five, and network coordinator is connected with nurse station computer 7; Bedside node wireless communication module is responsible for the radio communication of coordination network router, and airway pressure information bed bark mark information data is sent to nurse station monitoring computer; The dual-use function of network coordinator is integrated gateway and coordinator.Through network router and bedside node communication, connect with the computer of nurse station on the other hand on the one hand, carry out the order of computer and make corresponding response.
The antenna of bedside node wireless communication module adopts the monopole resonant antenna, and length is 1/4th of electron wavelength, and is incorporated in the circuit board.
A/D converter is 24 Bits Serial A/D converters, and chip internal has an extremely low noise chopper-stabilized instrumentation amplifier, and its gain is chosen as 2n (n=O～6).
Claims (3)
1. an artificial airway overlaps the wireless dynamic monitor of bag pressure power; It is characterized in that: comprise the pressure transducer that is arranged on cover capsule position; Pressure transducer is transferred to A/D converter with pressure information, and A/D converter is connected with microprocessor, and microprocessor is connected with bedside node wireless communication module; Bedside node wireless communication module is communicated by letter with network coordinator through the wireless network router, and network coordinator is connected with the nurse station computer; Bedside node wireless communication module is responsible for the radio communication of coordination network router, and airway pressure information bed bark mark information data is sent to nurse station monitoring computer; The dual-use function of network coordinator is integrated gateway and coordinator through network router and bedside node communication, connects with the computer of nurse station on the one hand on the other hand, and the order of execution computer is also made corresponding response.
2. artificial airway according to claim 1 overlaps the wireless dynamic monitor of bag pressure power, it is characterized in that: the antenna of bedside node wireless communication module adopts the monopole resonant antenna, and length is 1/4th of electron wavelength, and is incorporated in the circuit board.
3. artificial airway according to claim 1 overlaps the wireless dynamic monitor of bag pressure power; It is characterized in that: A/D converter is 24 Bits Serial A/D converters; Chip internal has an extremely low noise chopper-stabilized instrumentation amplifier, and its gain is chosen as 2n (n=O～6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100852943A CN102614568A (en) | 2012-03-28 | 2012-03-28 | Pressure wWireless dynamic pressure monitoring device for artificial trachea cuff |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100852943A CN102614568A (en) | 2012-03-28 | 2012-03-28 | Pressure wWireless dynamic pressure monitoring device for artificial trachea cuff |
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| CN102614568A true CN102614568A (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100852943A Pending CN102614568A (en) | 2012-03-28 | 2012-03-28 | Pressure wWireless dynamic pressure monitoring device for artificial trachea cuff |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233384A (en) * | 2015-09-19 | 2016-01-13 | 陕西省人民医院 | Trachea cannula capable of monitoring air bag pressure automatically |
| CN109701133A (en) * | 2018-12-15 | 2019-05-03 | 浙江大学 | A kind of artificial air passage aerocyst pressure monitoring device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003013636A2 (en) * | 2001-08-10 | 2003-02-20 | Müfa Ag | Method and device for regulating pressure |
| CN2779517Y (en) * | 2004-12-03 | 2006-05-10 | 西北工业大学 | Rotating Objects pressure measurement apparatus |
| CN201637523U (en) * | 2010-04-09 | 2010-11-17 | 西安中星测控有限公司 | Wireless pressure measuring system |
| US20110109458A1 (en) * | 2009-11-06 | 2011-05-12 | Shipman Nolan D | Endotracheal Tube Cuff Pressure Measuring Device |
-
2012
- 2012-03-28 CN CN2012100852943A patent/CN102614568A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003013636A2 (en) * | 2001-08-10 | 2003-02-20 | Müfa Ag | Method and device for regulating pressure |
| CN2779517Y (en) * | 2004-12-03 | 2006-05-10 | 西北工业大学 | Rotating Objects pressure measurement apparatus |
| US20110109458A1 (en) * | 2009-11-06 | 2011-05-12 | Shipman Nolan D | Endotracheal Tube Cuff Pressure Measuring Device |
| CN201637523U (en) * | 2010-04-09 | 2010-11-17 | 西安中星测控有限公司 | Wireless pressure measuring system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233384A (en) * | 2015-09-19 | 2016-01-13 | 陕西省人民医院 | Trachea cannula capable of monitoring air bag pressure automatically |
| CN105233384B (en) * | 2015-09-19 | 2018-10-16 | 陕西省人民医院 | A kind of trachea cannula that can monitor gasbag pressure automatically |
| CN109701133A (en) * | 2018-12-15 | 2019-05-03 | 浙江大学 | A kind of artificial air passage aerocyst pressure monitoring device and method |
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Application publication date: 20120801 |