• Simplified Chinese
A-PULSE CASPal® System

A-PULSE CASPal® is a noninvasive blood pressure monitoring system which is designed to measure the Central Aortic Systolic Pressure (CASP) and additional arterial pulse waveform related indices based on arterial tonometry at the radial artery of the wrist. The system consists of four main elements:

  • A-PULSE CASPal® monitor.
  • Wrist sensor module based on the technology of the BPro® monitor device
  • Built-in software algorithm for blood pressure measurement and calculation based on the A-PULSE CASP® software
  • Integrated oscillometric blood pressure module for calibration.

The A-PULSE CASPal® device provides patients and clinicians with a new level of usability, comfort and convenience. It is accurate, affordable and simple enough to be used in a home or clinic setting.


A-PULSE CASPal® monitor


Figure: A-PULSE CASPal® monitor display

The A-PULSE CASPal® main device is an independent, stand-alone monitor with monochrome LCD display. It is driven by a powerful MCU (microcontroller unit), which operates as the main core in the system and performs the following functions:

  • Process and calculate real-time capture signal from the wrist sensor module
  • Display BP related parameters such as SYS, DIA, pulse rate, and CASP
  • Interface with peripheral modules such as the integrated NIBP calibrator module

A-PULSE CASPal® wrist sensor


Figure: Wrist Sensor Module

The device is equipped with a wrist sensor module which is to be worn on the patient’s wrist for blood pressure measurement. The sensor module is designed based on the concept of the BPro® device which looks similar to a watch-like device and can be worn easily on the radial artery for measuring blood pressure non-invasively. The sensor’s position is maintained by applying a consistent tension (applanation) on the artery.


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