Hemostatic assistance method and hemostatic assistance system

Abstract

A hemostasis assistance system, suitable for application to a limb of a hemostasis object, includes a detection device. The detection device is suitable for use on the limb, and when a hemostasis device is installed on the limb, it generates measurement data indicating a hemodynamic waveform by measuring the limb, wherein the hemodynamic waveform represents the blood flow within the limb; a waveform characteristic value corresponding to the hemodynamic waveform is compared with a preset threshold to determine whether the hemodynamic waveform indicates insufficient blood flow; if the determination result is yes, a hemostasis assistance signal is generated and output.

Claims

1. A hemostasis assistance method, implemented by a hemostasis assistance system, the hemostasis assistance system comprising a detection device suitable for placement on a limb of a hemostasis target, the hemostasis assistance method comprising: (A) when a hemostasis device is placed on the limb, generating measurement data indicating a hemodynamic waveform by measuring the limb, wherein, (B) The hemodynamic waveform is used to present the blood flow situation inside the limb; (C) A waveform feature value corresponding to the hemodynamic waveform is compared with a preset threshold to determine whether the hemodynamic waveform shows insufficient blood flow; (D) If the determination result is yes, a hemostasis auxiliary signal is generated and output.

2. The hemostasis assistance method as described in claim 1, the hemostasis assistance system further comprising the hemostasis device, the hemostasis device being adapted to apply pressure to stop bleeding in the limb, and the detection device being used for electrical connection with the hemostasis device; wherein: In step (C), the hemostasis assist signal includes a control command, and the detection device outputs the hemostasis assist signal in a manner that includes transmitting the control command to the hemostasis device; (D) When the hemostasis device receives the control command, it reduces the pressure applied to the limb according to the control command.

3. The hemostasis auxiliary method as described in claim 1, wherein, In step (B), the waveform feature value is the peak value and / or full width at half maximum (FWHM) of the hemodynamic waveform. The detection device determines whether a preset condition is met based on the comparison between the waveform feature value and the preset threshold. When the preset condition is met, the device determines that the hemodynamic waveform shows insufficient blood flow. The preset condition includes the waveform feature value being less than or equal to the preset threshold.

4. The hemostasis auxiliary method as described in claim 3, wherein, In step (B), the preset condition further includes the duration of the waveform feature value being less than or equal to the preset threshold being greater than or equal to a preset time length.

5. A hemostasis support system suitable for application to a limb of a hemostasis object, comprising: a detection device adapted to be disposed on the limb and used to: generate measurement data indicating a hemodynamic waveform by measuring the limb when a hemostasis device is disposed on the limb, wherein, The hemodynamic waveform is used to represent the blood flow situation inside the limb; a waveform feature value corresponding to the hemodynamic waveform is compared with a preset threshold to determine whether the hemodynamic waveform shows insufficient blood flow; if the determination result is yes, a hemostasis assistance signal is generated and output.

6. The hemostasis support system as described in claim 5, further comprising the hemostasis device, wherein: The hemostatic device is suitable for applying pressure to stop bleeding on the limb and is electrically connected to the detection device; the hemostatic auxiliary signal includes a control command, and the detection device outputs the hemostatic auxiliary signal by transmitting the control command to the hemostatic device; when the hemostatic device receives the control command, it reduces the pressure applied to the limb according to the control command.

7. The hemostasis support system as described in claim 5, wherein, The waveform feature value is the peak value and / or full width at half maximum (FWHM) of the hemodynamic waveform. The detection device determines whether a preset condition is met based on the comparison between the waveform feature value and the preset threshold. When the preset condition is met, the device determines that the hemodynamic waveform shows insufficient blood flow. The preset condition includes the waveform feature value being less than or equal to the preset threshold.

8. The hemostasis support system as described in claim 7, wherein, The preset condition also includes the duration of the waveform feature value being less than or equal to the preset threshold being greater than or equal to a preset time length.

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