相关实验视频
Updated: Jul 17, 2026
07:03
Intrauterine Telemetry to Measure Mouse Contractile Pressure In Vivo
Published on: April 6, 2015
概括
这项研究引入了一种新的无线囊,用于测量胃肠道压力. 该装置为压力监测的现有方法提供了更简单,更持久的替代方案.
科学领域:
- 胃肠病学 胃肠病学
- 医疗器械 医疗器械
- 生物医学工程 生物医学工程
背景情况:
- 精确测量胃肠道内压力对于诊断和管理各种消化系统疾病至关重要.
- 目前用于胃肠道监测的压力传感技术存在局限性,包括囊大小,复杂性和操作寿命.
研究的目的:
- 评估一种新型的压力敏感遥测囊,用于记录胃肠道内压力.
- 与现有方法相比,评估外部供电的无线囊的可行性和性能.
主要方法:
- 八名患者使用一种新型的压力敏感遥测囊进行了胃肠道内压力记录.
- 囊是由外部无线源提供能量,消除了对内部电池的需求.
- 收集和分析压力数据.
主要成果:
- 无线遥测囊成功记录了所有八名患者的胃肠道内压力.
- 与电池驱动的同行相比,囊显示出更小的尺寸和更简单的设计.
- 外部供电的囊表现出相对无限的运行寿命.
- 获得的压力记录与其他已建立的传感器件生成的压力记录相似.
结论:
- 外部供电的无线压力敏感遥测囊是胃肠道压力监测的可行和有利的工具.
- 这项技术为胃肠病学中的临床和研究应用提供了更好的简单性,寿命,以及潜在的成本降低.
关键词:
胃肠道系统/生理学
相关概念视频
01:21Sites for measuring blood pressure
Blood pressure measurement is a fundamental clinical procedure, providing crucial data for assessing cardiovascular health. Among the various sites for this measurement, the brachial and popliteal arteries are predominantly utilized due to their accessibility and the reliability of their readings. This lesson delves into the anatomical significance, methodology, and considerations of measuring blood pressure at these locations.
The Brachial Artery: Primary Site for Blood Pressure Measurement
The Brachial Artery: Primary Site for Blood Pressure Measurement
01:30Equipments Used To Measure Blood Pressure
Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
01:15Assessment of blood pressure in brachial artery(one-step method)
This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
Prepare for the Procedure:
01:19Assessing Blood pressure using a doppler ultrasound
To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
01:17Measurement of Blood Pressure
Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a stethoscope.