TW202030701A - A respiratory monitoring device and a clinic bed for monitoring respiratory state of a patient - Google Patents
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Abstract
Description
本發明涉及醫療檢測領域,尤其涉及一種呼吸監控裝置及監控病人呼吸狀態的病床。The invention relates to the field of medical detection, in particular to a breathing monitoring device and a hospital bed for monitoring the breathing state of a patient.
生理參數(如呼吸信號)是現代化醫療檢測中一項重要的指標,生理參數的監測可為醫生進行診斷和治療提供可靠依據。在現今的醫院中,幾乎都是採用接觸式的監測裝置來監測測試者的生理參數。所述接觸式的監測裝置一般都具有體型較大、不易移動的特點,並且所述接觸式的監測裝置還需要長時間接觸測試者,容易給測試者帶來不適。而測試者的生理參數又是用來判定測試者患病狀態不可或缺的資訊,故有必要提供一種更舒適有效的監測裝置。Physiological parameters (such as respiratory signals) are an important indicator in modern medical testing. The monitoring of physiological parameters can provide doctors with a reliable basis for diagnosis and treatment. In today's hospitals, almost all contact monitoring devices are used to monitor the physiological parameters of testers. The contact monitoring device generally has the characteristics of being relatively large and not easy to move, and the contact monitoring device also needs to be in contact with the tester for a long time, which is likely to cause discomfort to the tester. The physiological parameters of the tester are indispensable information for determining the disease state of the tester, so it is necessary to provide a more comfortable and effective monitoring device.
鑒於以上內容,有必要提供一種呼吸監控裝置及監控病人呼吸狀態的病床,可以避免傳統接觸式檢測設備帶給患者的束縛與不適。In view of the above, it is necessary to provide a breathing monitoring device and a hospital bed for monitoring the breathing state of the patient, which can avoid the restraint and discomfort caused by the traditional contact detection equipment to the patient.
一種呼吸監控裝置,設置於一病床,包括: 第一多普勒感測器,設置於所述病床的第一側護欄,用於感測病人的呼吸狀態並輸出第一感測信號; 放大電路,耦接所述第一多普勒感測器,用於放大所述第一感測信號; 濾波電路,用於接收並過濾放大後的所述第一感測信號,並輸出第一信號;以及 控制器,用於接收所述第一信號並根據所述第一信號判斷所述病人是否有呼吸,當確定所述病人沒有呼吸時輸出病人異常信號以通知護理人員。A breathing monitoring device, which is set on a hospital bed, includes: The first Doppler sensor is arranged on the first side guardrail of the hospital bed, and is used to sense the breathing state of the patient and output the first sensing signal; An amplifier circuit, coupled to the first Doppler sensor, for amplifying the first sensing signal; A filter circuit for receiving and filtering the amplified first sensing signal, and outputting the first signal; and The controller is configured to receive the first signal and determine whether the patient is breathing according to the first signal, and output a patient abnormal signal to notify the nursing staff when it is determined that the patient is not breathing.
優選地,所述裝置還包括: 第二多普勒感測器,設置於所述病床的第二側護欄,用於感測所述病人的呼吸狀態並輸出第二感測信號; 所述放大電路,還耦接所述第二多普勒感測器,用於放大所述第二感測信號; 所述濾波電路,還用於接收並過濾放大後的所述第二感測信號,並輸出第二信號;以及 所述控制器,還用於接收所述第二信號,並根據所述第一信號和所述第二信號判斷所述病人是否有呼吸,當確定所述病人沒有呼吸時輸出病人異常信號以通知護理人員。Preferably, the device further includes: A second Doppler sensor, arranged on the second side guardrail of the hospital bed, for sensing the breathing state of the patient and outputting a second sensing signal; The amplifying circuit is also coupled to the second Doppler sensor for amplifying the second sensing signal; The filter circuit is also used for receiving and filtering the amplified second sensing signal, and outputting a second signal; and The controller is further configured to receive the second signal, and determine whether the patient is breathing according to the first signal and the second signal, and output a patient abnormal signal to notify when it is determined that the patient is not breathing Nursing staff.
優選地,所述第一多普勒感測器用於感測病人胸部或是腹部起伏以得到所述第一感測信號。Preferably, the first Doppler sensor is used to sense the ups and downs of the patient's chest or abdomen to obtain the first sensing signal.
優選地,所述控制器根據所述第一信號判斷所述病人是否有呼吸包括: 計算所述第一信號在時域的幅度值; 判斷所述第一信號在時域的幅度值在預設時間內是否落在第一預設範圍; 當所述幅度值在預設時間內落在第一預設範圍內時,確定所述病人呼吸正常; 當所述幅度值在預設時間內沒有落在所述第一預設範圍內時,確定所述病人呼吸不正常。Preferably, the controller judging whether the patient is breathing according to the first signal includes: Calculating the amplitude value of the first signal in the time domain; Determining whether the amplitude value of the first signal in the time domain falls within a first preset range within a preset time; When the amplitude value falls within a first preset range within a preset time, it is determined that the patient is breathing normally; When the amplitude value does not fall within the first preset range within a preset time, it is determined that the patient's breathing is abnormal.
優選地,所述控制器根據所述第一信號判斷所述病人是否有呼吸包括: 通過傅裡葉變換對所述第一信號進行頻域變換,以得到所述第一信號的頻域信號; 判斷所述第一信號的頻域信號在預設時間內是否落在第二預設範圍; 當所述頻域信號在預設時間內落在第二預設範圍時,確定所述病人呼吸正常;及 當所述頻域信號在預設時間內沒有落在第二預設範圍時,確定所述病人呼吸不正常。Preferably, the controller judging whether the patient is breathing according to the first signal includes: Performing frequency domain transform on the first signal by Fourier transform to obtain a frequency domain signal of the first signal; Determining whether the frequency domain signal of the first signal falls within a second preset range within a preset time; When the frequency domain signal falls within a second preset range within a preset time, it is determined that the patient is breathing normally; and When the frequency domain signal does not fall within the second preset range within the preset time, it is determined that the patient is not breathing normally.
優選地,所述第二預設範圍為0.1Hz-0.5Hz。Preferably, the second preset range is 0.1 Hz-0.5 Hz.
一種用於監控病人呼吸狀態的病床,包括: 第一多普勒感測器,設置於所述病床的第一側護欄,用於感測病人的呼吸狀態並輸出第一感測信號; 壓力感測墊,用於感測所述病人躺臥在所述壓力感測墊上時的壓力感測信號; 控制器,耦接所述第一多普勒感測器與所述壓力感測墊,根據所述第一感測信號與所述壓力感測信號判斷所述病人是否有呼吸,當確定所述病人沒有呼吸時,輸出病人異常信號以通知護理人員。A hospital bed used to monitor the breathing state of a patient, including: The first Doppler sensor is arranged on the first side guardrail of the hospital bed, and is used to sense the breathing state of the patient and output the first sensing signal; A pressure sensing pad, for sensing the pressure sensing signal when the patient lies on the pressure sensing pad; The controller is coupled to the first Doppler sensor and the pressure sensing pad, and determines whether the patient is breathing according to the first sensing signal and the pressure sensing signal, and when it is determined that the When the patient is not breathing, a patient abnormality signal is output to notify the nursing staff.
優選地,所述病床還包括: 第二多普勒感測器,設置於所述病床的第二側護欄,用於感測所述病人的呼吸狀態並輸出第二感測信號; 所述控制器,還用於接收所述第二感測信號,並根據所述第一感測信號、所述第二感測信號與所述壓力感測信號判斷所述病人是否有呼吸,當確定所述病人沒有呼吸時輸出病人異常信號以通知護理人員。Preferably, the hospital bed further includes: A second Doppler sensor, arranged on the second side guardrail of the hospital bed, for sensing the breathing state of the patient and outputting a second sensing signal; The controller is further configured to receive the second sensing signal, and determine whether the patient is breathing according to the first sensing signal, the second sensing signal, and the pressure sensing signal. When it is determined that the patient is not breathing, a patient abnormality signal is output to notify the nursing staff.
優選地,所述第一多普勒感測器用於感測病人胸部或是腹部起伏以得到所述第一感測信號。Preferably, the first Doppler sensor is used to sense the ups and downs of the patient's chest or abdomen to obtain the first sensing signal.
優選地,所述控制器根據所述第一感測信號與所述壓力感測信號判斷所述病人是否有呼吸包括: 計算所述第一感測信號在時域的幅度值; 判斷所述幅度值在預設時間內是否落在第一預設範圍,且所述壓力感測信號在所述預設時間內是否有變化; 當所述幅度值在預設時間內落在第一預設範圍,且所述壓力感測信號在所述預設時間內有變化時,確認所述病人呼吸正常; 當所述幅度值在預設時間內沒有落在第一預設範圍,或所述壓力感測信號在所述預設時間內沒有變化時,確認所述病人呼吸不正常。Preferably, the controller judging whether the patient is breathing according to the first sensing signal and the pressure sensing signal includes: Calculating the amplitude value of the first sensing signal in the time domain; Determining whether the amplitude value falls within a first preset range within a preset time, and whether the pressure sensing signal changes within the preset time; When the amplitude value falls within a first preset range within a preset time, and the pressure sensing signal changes within the preset time, confirming that the patient is breathing normally; When the amplitude value does not fall within the first preset range within the preset time, or the pressure sensing signal does not change within the preset time, it is confirmed that the patient's breathing is abnormal.
優選地,所述控制器根據所述第一感測信號與所述壓力感測信號判斷所述病人是否有呼吸包括: 通過傅裡葉變換對所述第一感測信號進行頻域變換,以得到所述第一感測信號的頻域信號; 判斷所述第一感測信號的頻域信號在預設時間內是否落在第二預設範圍,且所述壓力感測信號在所述預設時間內是否有變化; 當所述頻域信號在預設時間內落在第二預設範圍,且所述壓力感測信號在所述預設時間內有變化時,確定所述病人呼吸正常;及 當所述頻域信號在預設時間內沒有落在第二預設範圍,或者所述壓力感測信號在所述預設時間內沒有變化時,確定所述病人呼吸不正常。Preferably, the controller judging whether the patient is breathing according to the first sensing signal and the pressure sensing signal includes: Performing frequency domain transformation on the first sensing signal by Fourier transform to obtain a frequency domain signal of the first sensing signal; Determining whether the frequency domain signal of the first sensing signal falls within a second preset range within a preset time, and whether the pressure sensing signal changes within the preset time; When the frequency domain signal falls within a second preset range within a preset time, and the pressure sensing signal changes within the preset time, determining that the patient is breathing normally; and When the frequency domain signal does not fall within the second preset range within the preset time, or the pressure sensing signal does not change within the preset time, it is determined that the patient is not breathing normally.
優選地,所述第二預設範圍為0.1Hz-0.5Hz。Preferably, the second preset range is 0.1 Hz-0.5 Hz.
相較於習知技術,本發明提供的呼吸監控裝置及監控病人呼吸狀態的病床,通過在患者所在病床設置多普勒感測器來偵測的病人的呼吸狀態,從而即時監控所述患者的身體狀況。可以大幅減輕護理人員需隨時測量病人呼吸狀態的負擔,以及避免傳統接觸式檢測設備帶給患者的束縛與不適。Compared with the prior art, the breathing monitoring device and the bed for monitoring the breathing state of the patient provided by the present invention detect the breathing state of the patient by setting a Doppler sensor in the bed where the patient is located, thereby real-time monitoring of the patient's breathing state Physical conditions. It can greatly reduce the burden of nurses who need to measure the patient's breathing state at any time, and avoid the restraint and discomfort brought by traditional contact detection equipment to patients.
為了能夠更清楚地理解本發明的上述目的、特徵和優點,下面結合附圖和具體實施例對本發明進行詳細描述。需要說明的是,在不衝突的情況下,本申請的實施例及實施例中的特徵可以相互組合。In order to be able to understand the above objectives, features and advantages of the present invention more clearly, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments of the application and the features in the embodiments can be combined with each other if there is no conflict.
在下面的描述中闡述了很多具體細節以便於充分理解本發明,所描述的實施例僅僅是本發明一部分實施例,而不是全部的實施例。基於本發明中的實施例,本領域普通技術人員在沒有做出創造性勞動前提下所獲得的所有其他實施例,都屬於本發明保護的範圍。In the following description, many specific details are explained in order to fully understand the present invention. The described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
除非另有定義,本文所使用的所有的技術和科學術語與屬於本發明的技術領域的技術人員通常理解的含義相同。本文中在本發明的說明書中所使用的術語只是為了描述具體的實施例的目的,不是旨在於限制本發明。Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the present invention. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention.
請參考圖1,所示為本發明第一實施方式中呼吸監控裝置的應用環境圖。所述呼吸監控裝置1包括,但不僅限於,第一多普勒感測器11、放大電路12、濾波電路13和控制器14。所述第一多普勒感測器11通過所述放大電路12與所述濾波電路13電性連接。所述濾波電路13與所述控制器14電性連接。Please refer to FIG. 1, which shows an application environment diagram of the respiratory monitoring device in the first embodiment of the present invention. The breathing monitoring device 1 includes, but is not limited to, a first Doppler
所述第一多普勒感測器11可以在特定距離範圍內消除特定介質(如布料、絲綢等)的影響,檢測病人胸腔的微動變化,從中獲取到病人的生理參數。所述第一多普勒感測器11用於偵測病人的生理參數,根據所述生理參數確定病人的當前狀況是否良好。所述生理參數包括指示病人呼吸狀態的參數,例如,呼吸頻率,所述生理參數還包括指示病人心跳狀態的參數,例如,心跳頻率。由於體現人體呼吸的信號來自於人體上半身,為了得到病人較清晰的呼吸信號,可以將所述第一多普勒感測器11設置在所述病床2上靠近人體上半身的位置處,從而可以感測病人胸部或是腹部起伏以得到感測信號。例如,在本實施方式中,所述第一多普勒感測器11設置於所述病床2的第一側護欄201(如圖2所示),用於感應病人的呼吸狀態,並輸出第一感測信號。The first Doppler
所述放大電路12可以是一差分放大器,耦接所述第一多普勒感測器用於對所述第一多普勒感測器11偵測的信號進行放大並消除共模雜訊。在本實施方式中,所述放大電路12用於放大所述第一感測信號。The amplifying circuit 12 may be a differential amplifier coupled to the first Doppler sensor for amplifying the signal detected by the first Doppler
所述濾波電路13可以是帶通濾波器,用於濾除雜訊。在本實施方式中,所述濾波電路13接收並過濾放大後的所述第一感測信號,並輸出第一信號至所述控制器14。The
所述控制器14可以由積體電路組成,例如可以由單個封裝的積體電路所組成,也可以是由多個相同功能或不同功能封裝的積體電路所組成,包括一個或者多個中央處理器(Central Processing unit,CPU)、微處理器、數文書處理晶片、圖形處理器及各種控制晶片的組合等。所述控制器14是所述呼吸監控裝置1的控制核心(Control Unit),利用各種介面和線路連接整個呼吸監控裝置1的各個部件。如,所述第一多普勒感測器11、所述放大電路12和所述濾波電路13。The
在本實施方式中,所述第一多普勒感測器11發送連續波雷達信號,所述連續波雷達信號經過病人的身體後產生反射雷達信號。可以理解的是,所述反射雷達信號就是感測病人呼吸狀態的第一感測信號。所述第一多普勒感測器11在接收到的所述第一感測信號後,發送所述第一感測信號至所述放大電路12進行放大,所述放大電路12再將放大後的第一感測信號發送至所述濾波電路13,所述濾波電路13濾除所述第一感測信號中的人體呼吸範圍以外的信號並輸出一第一信號,再發送所述第一信號至所述控制器14。In this embodiment, the first Doppler
所述控制器14接收所述第一信號,並根據所述第一信號判斷病人是否有呼吸。The
在一實施方式中,所述控制器14計算所述第一信號在時域的幅度值。所述第一信號在時域的幅度值可以指示病人呼吸過程中胸腔或腹部起伏的位移量,所述位移量可以用於指示所述病人的呼吸狀況。所述控制器14用於判斷所述第一信號在時域的幅度值在預設時間內是否落在第一預設範圍來判斷病人是否有呼吸。當所述幅度值在預設時間內落在第一預設範圍內時,表徵所述病人呼吸正常;當所述幅度值在預設時間內沒有落在所述第一預設範圍內時,表徵所述病人呼吸不正常。例如,當所述幅度值在預設時間內高於所述第一預設範圍內的最大值時,確認所述病人呼吸急促,可能出現緊急狀況,需要進行緊急救助;當所述幅度值在預設時間內低於所述第一預設範圍內的最小值時,確認所述病人呼吸微弱,隨時可能出現沒有呼吸的情況,需要進行緊急救助。In one embodiment, the
在一實施方式中,所述控制器14將所述第一信號進行頻域變換,以得到所述第一信號的頻域信號。在本實施方式中,通過傅裡葉變換對所述第一信號進行頻域變換,以得到所述第一信號的頻域信號。所述頻域信號可以表徵所述病人的呼吸頻率。一般情況下,正常人的呼吸次數為6-30次,即呼吸頻率為0.1Hz-0.5Hz。所述控制器14用於判斷所述第一信號的頻域信號在預設時間內是否落在第二預設範圍來判斷病人是否有呼吸。當所述頻域信號在預設時間內落在第二預設範圍時,表徵所述病人呼吸正常;當所述頻域信號在預設時間內沒有落在第二預設範圍時,表徵所述病人呼吸不正常。例如,當所述頻域信號在預設時間內高於所述第二預設範圍中的最大值時,確認所述病人呼吸急促,可能出現緊急狀況,需要進行緊急救助;當所述頻域信號在預設時間內低於所述第二預設範圍中內的最小值時,確認所述病人呼吸微弱,隨時可能出現沒有呼吸的情況,需要進行緊急救助。其中,所述第二預設範圍可以是0.1Hz-0.5Hz。In one embodiment, the
在一實施方式中,所述控制器14還可以通過判斷所述第一信號在時域的幅度值在預設時間內是否落在第一預設範圍內,且所述第一信號的頻域信號在預設時間內是否落在第二預設範圍來判斷病人是否有呼吸。當所述幅度值在預設時間內沒有落在所述第一預設範圍內,或者所述頻域信號在預設時間內沒有落在所述第二預設範圍時,確認所述病人呼吸急促或者呼吸微弱,可能出現緊急狀況,需要進行緊急救助;當所述幅度值在預設時間內落在所述第一預設範圍內,且所述頻域信號在預設時間內落在所述第二預設範圍時,確認所述病人呼吸狀態良好,無需進行緊急救助。In an embodiment, the
所述控制器14還可以根據病人的呼吸狀態,發送提示資訊至護理人員。例如,當所述控制器14根據所述第一信號判斷病人沒有呼吸時,可以發送病人異常信號以通知護理人員。The
在本實施方式中,所述呼吸監控裝置1還包括一電源15,所述電源15用於給所述呼吸監控裝置1提供電能。所述電源15可以是直流電源,也可以是不可充電電池或可充電電池(如,鋰電池)。In this embodiment, the breathing monitoring device 1 further includes a
在本實施方式中,所述呼吸監控裝置1還可以包括一通信單元16,所述通信單元16用於為所述呼吸監控裝置1提供有線或無線網路通訊。例如,所述呼吸監控裝置1通過所述通信單元16與所述電腦裝置3無線網路連接。所述呼吸監控裝置1可以將所述第一信號發送至所述電腦裝置3,通過所述電腦裝置3顯示病人的呼吸狀態。In this embodiment, the respiratory monitoring device 1 may further include a communication unit 16 for providing wired or wireless network communication for the respiratory monitoring device 1. For example, the respiratory monitoring device 1 is connected to the
請參考圖3,所示為本發明第二實施方式中呼吸監控裝置的結構示意圖。所述呼吸監控裝置1包括,但不僅限於,第一多普勒感測器11、放大電路12、濾波電路13、控制器14和第二多普勒感測器17。所述第一多普勒感測器11設置於所述病床2的第一側護欄201,所述第二多普勒感測器17設置於所述病床2的第二側護欄202(如圖4所示)。所述第一多普勒感測器11與所述第二多普勒感測器17電性連接,且所述第一多普勒感測器11與所述第二多普勒感測器17通過所述放大電路12與所述濾波電路13電性連接。所述濾波電路13與所述控制器14電性連接。Please refer to FIG. 3, which is a schematic structural diagram of a breathing monitoring device in the second embodiment of the present invention. The breathing monitoring device 1 includes, but is not limited to, a
所述第一多普勒感測器11用於感測病人的呼吸狀態並輸出第一感測信號,所述第二多普勒感測器17用於感測病人的呼吸狀態並輸出第二感測信號。The
所述放大電路12用於放大所述第一感測信號和第二感測信號;所述濾波電路13用於接收並過濾放大後的所述第一感測信號和第二感測信號,並分別輸出第一信號和第二信號至所述控制器14。The amplifying circuit 12 is used to amplify the first sensing signal and the second sensing signal; the
所述控制器14將所述第一信號和第二信號進行頻域變換,以得到所述第一信號的頻域信號和所述第二信號的頻域信號。所述頻域信號可以表徵所述病人的呼吸頻率。所述控制器14用於判斷所述第一信號的頻域信號且所述第二信號的頻域信號在預設時間內是否落在第二預設範圍來判斷病人是否有呼吸。當所述第一信號的頻域信號且所述第二信號的頻域信號在預設時間內落在第二預設範圍時,表徵所述病人呼吸正常;當所述第一信號的頻域信號且所述第二信號的頻域信號在預設時間內沒有落在第二預設範圍時,表徵所述病人呼吸不正常,病人可能出現沒有呼吸的情況。所述第二預設範圍可以是0.1Hz-0.5Hz。The
在本實施方式中,所述呼吸監控裝置1也還包括電源15和通信單元16,在此不再贅述。In this embodiment, the breathing monitoring device 1 also includes a
本領域技術人員可以理解,所述示意圖1和3僅僅是呼吸監控裝置1的示例,並不構成對呼吸監控裝置1的限定,可以包括比圖示更多或更少的部件,或者組合某些部件,或者不同的部件,例如所述呼吸監控裝置1還可以包括I/O介面等。Those skilled in the art can understand that the schematic diagrams 1 and 3 are only examples of the respiratory monitoring device 1 and do not constitute a limitation on the respiratory monitoring device 1. They may include more or less components than those shown in the figure, or combine some components. Components, or different components, for example, the respiratory monitoring device 1 may also include an I/O interface.
請參考圖5,所示為本發明一實施方式中監控病人呼吸狀態的病床的結構示意圖。Please refer to FIG. 5, which is a structural diagram of a hospital bed for monitoring the breathing state of a patient in an embodiment of the present invention.
在本實施方式中,所述病床2包括第一多普勒感測器11、第二多普勒感測器17、壓力感測墊20和控制器21。所述第一多普勒感測器11設置在所述病床的第一側護欄201,用於感測病人的呼吸狀態並輸出第一感測信號。所述第二多普勒感測器17設置在所述病床的第二側護欄202(如圖6所示),用於感測病人的呼吸狀態並輸出第二感測信號。所述壓力感測墊20上設置有壓力感測器200,所述壓力感測器200可以感測病人躺在所述壓力感測墊20上時的壓力,並輸出壓力感測信號。由於病人躺在所述壓力感測墊20時的呼吸活動會導致胸部起伏約十到二十毫米,可以被所述壓力感測器200所感測,並輸出壓力感測信號至控制器21。In this embodiment, the
所述控制器21可以根據所述壓力感測信號在預設時間內是否有變化來判斷病人是否有呼吸。例如,當所述壓力感測器200偵測的壓力感測信號在預設時間內沒有變化,則可確認所述病人在所述預設時間內可能已停止呼吸;當所述壓力感測器200偵測的壓力感測信號在所述預設時間內有變化時,則可確認所述病人在所述預設時間內還存在呼吸,所述病人當前狀況良好。The
所述控制器21與所述第一多普勒感測器11、第二多普勒感測器17和壓力感測墊20電性連接,所述控制器21用於接收所述第一感測信號、第二感測信號和所述壓力感測信號,並根據所述第一感測信號、第二感測信號和所述壓力感測信號判斷病人是否有呼吸。The
在一實施方式中,所述控制器21將所述第一感測信號進行頻域變換,以得到所述第一感測信號的頻域信號。所述控制器21用於判斷所述第一感測信號的頻域信號在預設時間內是否落在第二預設範圍,且所述壓力感測信號在所述預設時間內是否有變化,來判斷病人是否有呼吸。當所述頻域信號在預設時間內落在第二預設範圍,且所述壓力感測信號在所述預設時間內有變化時,表徵所述病人呼吸正常;當所述頻域信號在預設時間內沒有落在第二預設範圍,或者所述壓力感測信號在所述預設時間內沒有變化時,表徵所述病人呼吸不正常,病人可能出現沒有呼吸的情況。其中,所述第二預設範圍可以是0.1Hz-0.5Hz。In one embodiment, the
在一實施方式中,所述控制器21將所述第一感測信號和第二感測信號進行頻域變換,以分別得到所述第一感測信號的頻域信號和所述第二感測信號的頻域信號。所述控制器21用於判斷所述第一感測信號的頻域信號和所述第二感測信號的頻域信號在預設時間內是否落在第二預設範圍,且所述壓力感測信號在所述預設時間內是否有變化,來判斷病人是否有呼吸。當所述第一感測信號的頻域信號和所述第二感測信號的頻域信號在預設時間內落在第二預設範圍,且所述壓力感測信號在所述預設時間內有變化時,表徵所述病人呼吸正常;當所述第一感測信號的頻域信號和所述第二感測信號的頻域信號在預設時間內沒有落在第二預設範圍,或者所述壓力感測信號在所述預設時間內沒有變化時,表徵所述病人呼吸不正常,病人可能出現沒有呼吸的情況。In one embodiment, the
可以理解的是,在本實施方式中,所述病床2還可以包括放大電路、濾波電路及電源等。所述放大電路、濾波電路及電源的作用與所述呼吸監控裝置中的放大電路、濾波電路及電源的作用一致,在此不再贅述。It can be understood that, in this embodiment, the
如圖7所示,本發明利用第一實施方式中的呼吸監控裝置進行呼吸監控的方法流程圖。根據不同需求,所述流程圖中步驟的順序可以改變,某些步驟可以省略或合併。As shown in Fig. 7, the present invention uses the respiratory monitoring device in the first embodiment to perform respiratory monitoring method flow chart. According to different needs, the order of the steps in the flowchart can be changed, and some steps can be omitted or combined.
步驟S01,所述控制器14接收所述第一信號。Step S01, the
在本實施方式中,所述第一多普勒感測器11在接收到的所述第一感測信號後,發送所述第一感測信號至所述放大電路12進行放大,所述放大電路12再將放大後的第一感測信號發送至所述濾波電路13,所述濾波電路13濾除所述第一感測信號中的人體呼吸範圍以外的信號並輸出一第一信號,再發送所述第一信號至所述控制器14。In this embodiment, after receiving the first sensing signal, the
步驟S03,所述控制器14計算所述第一信號在時域的幅度值。In step S03, the
在本實施方式中,所述第一信號在時域的幅度值可以指示病人呼吸過程中胸腔或腹部起伏的位移量,所述位移量可以用於指示所述病人的呼吸狀況。In this embodiment, the amplitude value of the first signal in the time domain may indicate the undulating displacement of the chest cavity or the abdomen during the breathing process of the patient, and the displacement may be used to indicate the breathing condition of the patient.
步驟S05,所述控制器14將所述第一信號進行頻域變換,以得到所述第一信號的頻域信號。Step S05: The
在本實施方式中,通過傅裡葉變換對所述第一信號進行頻域變換,以得到所述第一信號的頻域信號。In this embodiment, the frequency domain transform of the first signal is performed by Fourier transform to obtain the frequency domain signal of the first signal.
步驟S07,所述控制器14判斷所述第一信號在時域的幅度值在預設時間內是否落在第一預設範圍內,且所述第一信號的頻域信號在預設時間內是否落在第二預設範圍來判斷病人是否有呼吸。Step S07: The
在本實施方式中,當所述幅度值在預設時間內沒有落在所述第一預設範圍內,或者所述頻域信號在預設時間內沒有落在所述第二預設範圍時,確認所述病人呼吸急促或者呼吸微弱,可能出現緊急狀況,需要進行緊急救助,流程進入步驟S09;當所述幅度值在預設時間內落在所述第一預設範圍內,且所述頻域信號在預設時間內落在所述第二預設範圍時,確認所述病人呼吸狀態良好,無需進行緊急救助,流程結束。In this embodiment, when the amplitude value does not fall within the first preset range within the preset time, or the frequency domain signal does not fall within the second preset range within the preset time , It is confirmed that the patient has shortness of breath or weak breathing, an emergency situation may occur, and emergency rescue is needed, and the process goes to step S09; when the amplitude value falls within the first preset range within a preset time, and the When the frequency domain signal falls within the second preset range within the preset time, it is confirmed that the patient's breathing state is good, no emergency rescue is needed, and the process ends.
步驟S09,所述控制器14發出病人異常信號以通知護理人員所述病人需急救。In step S09, the
如圖8所示,本發明利用第二實施方式中的呼吸監控裝置進行呼吸監控的方法流程圖。根據不同需求,所述流程圖中步驟的順序可以改變,某些步驟可以省略或合併。As shown in FIG. 8, the present invention uses the respiratory monitoring device in the second embodiment to perform respiratory monitoring method flow chart. According to different needs, the order of the steps in the flowchart can be changed, and some steps can be omitted or combined.
步驟S02,所述控制器14接收所述第一信號和第二信號。Step S02, the
在本實施方式中,所述第一多普勒感測器11用於感測病人的呼吸狀態並輸出第一感測信號,所述第二多普勒感測器17用於感測病人的呼吸狀態並輸出第二感測信號。所述放大電路12用於放大所述第一感測信號和第二感測信號;所述濾波電路13用於接收並過濾放大後的所述第一感測信號和第二感測信號,並分別輸出第一信號和第二信號至所述控制器14。In this embodiment, the
步驟S04,所述控制器14將所述第一信號和所述第二信號進行頻域變換,以分別得到所述第一信號的頻域信號和所述第二信號的頻域信號。
在本實施方式中,通過傅裡葉變換對所述第一信號和第二信號進行頻域變換,以分別得到所述第一信號的頻域信號和所述第二信號的頻域信號。Step S04: The
步驟S06,所述控制器14判斷所述第一信號的頻域信號且所述第二信號的頻域信號在預設時間內是否落在第二預設範圍來判斷病人是否有呼吸。
當所述第一信號的頻域信號且所述第二信號的頻域信號在預設時間內落在第二預設範圍時,表徵所述病人呼吸正常;當所述第一信號的頻域信號或所述第二信號的頻域信號在預設時間內沒有落在第二預設範圍時,表徵所述病人呼吸不正常,病人可能出現沒有呼吸的情況,流程進入步驟S08。In step S06, the
步驟S08,所述控制器14發出病人異常信號以通知護理人員所述病人需急救。In step S08, the
對於本領域技術人員而言,顯然本發明不限於上述示範性實施例的細節,而且在不背離本發明的精神或基本特徵的情況下,能夠以其他的具體形式實現本發明。因此,無論從哪一點來看,均應將實施例看作是示範性的,而且是非限制性的,本發明的範圍由所附權利要求而不是上述說明限定,因此旨在將落在權利要求的等同要件的含義和範圍內的所有變化涵括在本發明內。不應將權利要求中的任何附圖標記視為限制所涉及的權利要求。此外,顯然“包括”一詞不排除其他單元或,單數不排除複數。系統權利要求中陳述的多個單元或裝置也可以由一個單元或裝置通過軟體或者硬體來實現。第一,第二等詞語用來表示名稱,而並不表示任何特定的順序。For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description, and therefore it is intended to fall within the claims. All changes within the meaning and scope of equivalent elements of are included in the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved. In addition, it is obvious that the word "including" does not exclude other elements or, and the singular does not exclude the plural. Multiple units or devices stated in the system claims can also be realized by one unit or device through software or hardware. Words such as first and second are used to denote names, but do not denote any specific order.
最後應說明的是,以上實施例僅用以說明本發明的技術方案而非限制,儘管參照以上較佳實施例對本發明進行了詳細說明,本領域的普通技術人員應當理解,可以對本發明的技術方案進行修改或者等同替換都不應脫離本發明技術方案的精神和範圍。Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the above preferred embodiments, those of ordinary skill in the art should understand that the technology of the present invention can be Modification or equivalent replacement of the solution should not depart from the spirit and scope of the technical solution of the present invention.
1:呼吸監控裝置
2:病床
3:電腦裝置
11:第一多普勒感測器
17:第二多普勒感測器
12:放大電路
13:濾波電路
14、21:控制器
15:電源
16:通信單元
201:第一側護欄
202:第二側護欄
20:壓力感測墊
200:壓力感測器
1: Respiratory monitoring device
2: hospital bed
3: computer device
11: The first Doppler sensor
17: The second Doppler sensor
12: Amplifying circuit
13:
為了更清楚地說明本發明實施例或現有技術中的技術方案,下面將對實施例或現有技術描述中所需要使用的附圖作簡單地介紹,顯而易見地,下面描述中的附圖僅僅是本發明的實施例,對於本領域普通技術人員來講,在不付出創造性勞動的前提下,還可以根據提供的附圖獲得其他的附圖。In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are merely present For the embodiments of the invention, for those of ordinary skill in the art, other drawings may be obtained based on the provided drawings without creative work.
圖1是本發明第一實施方式中呼吸監控裝置的應用環境圖。 圖2是本發明第一實施方式中呼吸監控裝置中的第一多普勒感測器安裝位置示意圖。 圖3是本發明第二實施方式中呼吸監控裝置的結構示意圖。 圖4是本發明第二實施方式中呼吸監控裝置中的第一多普勒感測器和第二多普勒感測器安裝位置示意圖。 圖5是本發明一實施方式中監控病人呼吸狀態的病床的結構示意圖。 圖6是本發明一實施方式中監控病人呼吸狀態的病床的示意圖。 圖7是本發明利用第一實施方式中的呼吸監控裝置進行呼吸監控的方法流程圖。 圖8是本發明利用第二實施方式中的呼吸監控裝置進行呼吸監控的方法流程圖。Fig. 1 is a diagram of the application environment of the respiratory monitoring device in the first embodiment of the present invention. 2 is a schematic diagram of the installation position of the first Doppler sensor in the respiratory monitoring device in the first embodiment of the present invention. Fig. 3 is a schematic structural diagram of a breathing monitoring device in a second embodiment of the present invention. 4 is a schematic diagram of the installation positions of the first Doppler sensor and the second Doppler sensor in the respiratory monitoring device in the second embodiment of the present invention. Fig. 5 is a schematic structural diagram of a hospital bed for monitoring the breathing state of a patient in an embodiment of the present invention. Fig. 6 is a schematic diagram of a hospital bed for monitoring the breathing state of a patient in an embodiment of the present invention. Fig. 7 is a flowchart of a method for performing respiratory monitoring by using the respiratory monitoring device in the first embodiment of the present invention. Fig. 8 is a flowchart of a method for performing respiratory monitoring by using the respiratory monitoring device in the second embodiment of the present invention.
1:呼吸監控裝置 1: Respiratory monitoring device
3:電腦裝置 3: computer device
11:第一多普勒感測器 11: The first Doppler sensor
12:放大電路 12: Amplifying circuit
13:濾波電路 13: filter circuit
14:控制器 14: Controller
15:電源 15: Power
16:通信單元 16: Communication unit
Claims (12)
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TWI761934B (en) * | 2020-09-01 | 2022-04-21 | 緯創資通股份有限公司 | Non-contact action detection method, action detection device and emergency situation detection method |
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