Application of Sensors in Healthcare: Catheters
Advancements in medical technology have led to the development of innovative medical devices that are doing things once far out of reach for improved patient care and outcomes.
One such device is the catheter. Commonly used in healthcare for a variety of purposes including the delivery of medication and fluids, catheters have become a multi-purpose medical tool.
With the integration of sensors, catheters continue to become increasingly sophisticated, providing real-time data on patient health and aiding in more accurate diagnoses and treatments.
In this article, we will explore the various applications of sensors in healthcare with catheters, and how they are improving how patient care is delivered.
APPLICATIONS OF SENSORS IN HEALTHCARE | 4 CATHETER TYPES & SENSORS
There are several types of catheters used in healthcare that incorporate sensor technology, each with its own unique applications and benefits. Let's take a closer look at four common types of catheters and the sensors they use to improve patient care.
Cardiac catheter
Urinary (Foley) catheter
Esophageal catheter
Intracranial catheter
1. CARDIAC CATHETER
Cardiac catheters are used in a number of critical – and sometimes, high-stakes – medical procedures, such as measuring pressures within the heart or performing angioplasty to open blocked arteries. These catheters often include temperature and pressure sensors that detect and measure cardiac output, blood pressure, oxygen saturation levels, and other vital signs, giving medical professionals a clearer view of a patient's condition.
TEMPERATURE
Measuring cardiac output with a catheter and temperature sensor is a technique used to assess the volume of blood pumped by the heart per minute. This technique is typically used in critical care settings, such as in the management of patients with heart failure, shock, or other cardiac conditions.
With an installed thermistor, a cardiac catheter is inserted into a pulmonary artery. From this point, there are different methods to influence temperature and discern blood flow. One method involves using a heater wrapped around the catheter to warm the blood. Another involves injecting cool saline into the right atrium, which cools the blood.
As the heated or cooled blood moves through the pulmonary artery and passes the thermistor, the thermistor measures the temperature of the blood.
The basic principle behind this technique is that the heart pumps blood at a rate proportional to the amount of heat it generates. Therefore, by measuring the temperature of blood in a pulmonary artery, where blood flow closely matches cardiac output, and comparing it to the temperature of blood in a peripheral vein, where blood flow is slower, it’s possible to estimate cardiac output and judge where obstructions are likely.
PRESSURE
Cardiac catheterization with fractional flow reserve (FFR) is a medical procedure that’s used to evaluate the severity of blockages in the coronary arteries, which supply blood to the heart muscle. It’s typically performed when a patient has symptoms of heart disease, such as chest pain or shortness of breath, and other non-invasive tests, such as stress tests or echocardiograms, have not provided a clear diagnosis.
During the procedure, a thin, flexible catheter is inserted into an artery, usually in the groin or arm, and guided through the blood vessels to the heart. A contrast dye is injected through the catheter, which allows the doctor to visualize the coronary arteries on an X-ray monitor.
With a pressure sensor, the catheter allows doctors to measure the pressure difference across a narrowed portion of a coronary artery. Then the doctor calculates the FFR, which is a ratio of the maximum blood flow through the narrowed section of the artery compared to the maximum blood flow if the artery were completely open. This has historically been done by using a pressure sensor in the capital equipment which can now be done at the source in the body with advanced sensor technology.
2. URINARY (FOLEY) CATHETER
While its primary purpose is to drain the bladder, a urinary – or Foley – catheter may serve a dual function in patient monitoring.
Given that the device is immersed in a patient's body (typically after surgery), when outfitted with a thermistor sensor, the catheter can help monitor core body temperature. Put simply, there's no better way to measure a patient's core body temperature than from the inside.
Especially after surgery, measuring a patient's core body temperature is critical. Spikes and dips in the vital sign can indicate:
Infection
Inflammation
Other serious complications
Suffice it to say, having this information provides helpful insight into the overall condition of a patient and necessary guidance for their care during recovery.
3. ESOPHAGEAL CATHETER
An esophageal catheter is a medical device that can be used to measure temperature during certain medical procedures, including cardiac ablation.
Cardiac ablation is a minimally invasive procedure that uses radiofrequency energy to destroy abnormal heart tissue that is causing an irregular heart rhythm. During this procedure, it is important to monitor the temperature of the esophagus, as heating the tissue too much can cause life-threatening damage.
The esophageal catheter is inserted through the patient's mouth and guided down the esophagus to a point near the heart. The catheter contains temperature sensors – primarily, an NTC thermistor – that measures the temperature of the esophagus in real time. These sensors can provide information about the temperature of the tissue, allowing the medical team to adjust the ablation procedure as needed to avoid causing harm.
Measuring temperature with an esophageal catheter during ablation has several advantages, such as it:
Provides a more accurate measurement of temperature than other methods, such as surface temperature measurements.
Allows for continuous monitoring of temperature, which is important during a procedure where the temperature can change rapidly.
Can help the medical team avoid complications by providing feedback about the temperature of the tissue in real time.
4. INTRACRANIAL CATHETER
Much like a cardiac catheter, an intracranial catheter with both temperature and pressure sensors gives medical caregivers more than one window into monitoring a patient’s condition.
TEMPERATURE
Intracranial catheters with temperature sensors can be used to monitor patients who have suffered a traumatic brain injury (TBI) or have undergone certain neurosurgical procedures.
These catheters are designed to measure the temperature inside the patient's brain, providing doctors with important information about the patient's condition.
During a neurosurgical procedure, an intracranial catheter is inserted into the patient's brain through a small hole in the skull. The catheter contains one or more temperature sensors that are placed in different locations within the brain. Changes in temperature may indicate a major problem, such as bleeding or swelling.
In patients with TBI, intracranial catheters with temperature sensors are used much the same way. Elevated brain temperature can indicate inflammation or infection, which can be serious complications of TBI.
By monitoring brain temperature, doctors can identify these complications early and take steps to treat them before they become more severe.
PRESSURE
The story with intracranial catheters with pressure sensors is similar.
Used on patients who have undergone neurosurgical procedures – such as a craniotomy or shunt placement – or those suffering a TBI, intracranial catheters with pressure sensors measure a key metric for patient care and their recovery.
Changes in intracranial pressure (ICP) can be caused by conditions such as brain swelling, bleeding, or the accumulation of cerebrospinal fluid. In some cases, elevated ICP can be a sign of an impending stroke.
By measuring ICP with an intracranial catheter, medical professionals are able to detect changes that might signal the need for immediate intervention.
CATHETER DESIGN FOR SENSOR TECHNOLOGY
Regardless of their intended application, a catheter is much like any other medical device that takes measurements – it's only as good as the sensor technology behind it.
The design of a catheter for integrated sensor technology is crucial in ensuring accurate and reliable measurements. The catheter must be developed so it can minimize interference to its sensors from external factors, such as surrounding tissues and fluids.
The design of the catheter must also take into consideration the size and shape of the sensor, as well as the materials used in the catheter to ensure compatibility with the patient's body and reduce the risk of adverse reactions.
Overall, the design of a catheter for sensor technology is a complex process that requires careful consideration of multiple factors.
A well-designed catheter with advanced sensor technology can provide valuable insights into a patient's health and aid in the delivery of more personalized and effective healthcare.
CATHETERS & SENSORS | MAXIMIZED PATIENT CARE
Catheters have become a powerful tool for healthcare professionals, allowing them to monitor and measure vital signs in real time with the help of integrated sensor technology.
With customized sensors built into these devices, caregivers are able to do more in monitoring patients closely and providing timely interventions when needed. By leveraging the power of sensors in healthcare applications such as catheterization procedures, medical providers are better equipped than ever before to deliver quality patient care.
LET'S GET STARTED ON CUSTOMIZED SENSORS FOR YOUR CATHETERS
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本文由成长的人生转载自Amphenol Sensors Blogs，原文标题为:APPLICATION OF SENSORS IN HEALTHCARE: CATHETERS，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。
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PSI-D-4V-ASCX,MDCX,1 PSI-D-4V,100 PSI-X-DO,20 INCH-DX-4V-MINI,5 INCH-D-DO,100 PSI-G-CGRADE-MINI,MLV SERIES,150 PSI-D-4V,0.5 INCH-G-4V,30 PSI-GF-HGRADE-MINI,MLV-L01D,0.3 PSI-D-HGRADE-MV,20 INCH-D-MV,ADO,10 INCH-G-MV-MINI,1 INCH-G-4V,5 INCH-DX-MV-MINI,15 PSI-G-4V,BLC-L30D,0.3 PSI-D-4V,BLVR,0.3 PSI-G-4V-PRIME,150 PSI-D-HGRADE-MV,BLC-L01D-D1,2 INCH-DX-MV-MINI,2 INCH-G-MV-MINI,0.3 PSI-G-HGRADE-MINI,30 PSI-DX-4V-MINI,MLV-030D,100 PSI-D-DO,15 PSI-A-HGRADE-MINI,CPA-602,0.5 INCH-DX-4V-MINI,MCS SERIES,0.3 PSI-G-PRIME-MINI,2 INCH-D-MV,1 PSI-G-CGRADE-MINI,DLC,15 PSI-G-PRIME-MINI,30 PSI-D-4V-PRIME,1 PSI-D-CGRADE-MV,SPM 02,DLH,30 PSI-D-PRIME-MINI,DLVR-L02D-E1NS-C-NI3F,15 PSI-G-HGRADE-MINI,60 INCH-G-4V,MLV-150D,30 PSI-A-4V,FPS,0.3 PSI-DX-4V-MINI,0.3 PSI-GF-PRIME-MINI,DLV,15 PSI-A-CGRADE-MV,120 CMH2O-D1-4V-MINI,30 INCH-G-MV-MIN,BARO-A-4V,15 PSI-GF-PRIME-MINI,BARO-DO-MIL,DLHR-L02DE1NS-CNAV6,10 INCH-GDIP-MV-SDXL,5 PSI-D-4V,15 PSI-AF-PRIME-MINI,20 CMH2O-D1-4V-MINI,MLV-L05D,100 PSI-GF-CGRADE-MINI,5 PSI-D-PRIME-MINI,DLVR-F50D,0.3 PSI-D-4V-MIL,5 INCH-D-MV,DLVR-L05D,DLVR-L05G,15 PSI-G-CGRADE-MINI,0.3 PSI-D-4V-PRIME,15 PSI-D-4V-ASCX,10 INCH-GF-HGRADE-MINI,15 PSI-D-PRIME-MV,4 INCH-G-CGRADE-MINI,150 PSI-G-4V,10 INCH-DX-MV-MINI,60 INCH-DX-P4V-MINI,10 INCH-D1DIP-MV-SDXL,BDS-L10D100A,BLC,30 INCH-D-MV,SPA 401□-□□□□□□□□□□□□□□□□,100 PSI-G-CGRADE-MIN,30 INCH-GDIP-MV-MINI,DLV-005G-E1BD-CNI3F,2 INCH-D2DIP-MV-MINI,20 INCH-D1DIP-MV-MINI,DLV-060D,DLV-060G,30 PSI-A-DO-MIL,1 PSI-D-4V-MIL,DLVR-L02G,1 PSI-D-4V-MINI,DLV-060A,BLV,2 INCH-D1DIP-MV-MINI,15 PSI-D-PRIME-MINI,BDS-L10D030A-N9,10 INCH-DX-P4V-MINI,30 PSI-A-4V-ASCX,CPA602□-□□□□□□□□□,5 PSI-D-CGRADE-MINI,30 PSI-A-HGRADE-MINI,1 PSI-D-DO-MIL,DLVR,2.5 INCH-D-4V,MLV-L10D-A6DXF-N,DLVR-L01D,30 INCH-D1DIP-MV-SDXL,DLVR-L01G,30 PSI-AF-HGRADE-MINI,BLCR-L05D,15 PSI-A-DO,CPA-502,10 INCH-D-DO,1 PSI-G-4V,MCI,BP01-D-MV,DLVR-L02D,5 PSI-G-4V-MIL,DHLR-L10D,MCS,DLHR- L02D + X,BLVR SERIES,DLV-030G,MLV-015D,10 INCH-G-CGRADE-MINI,MLV-015A,DLV-030A,20 INCH-G-P4V-MINI,ACPC,MLV-100D,DLV-030D,5 PSI-D-4V-PRIME,0.3 PSI-D-PRIME-MINI,20 INCH-D-4V,10 INCH-D2DIP-MV-SDXL,120 CMH2O-D-4V,15 PSI-D-HGRADE-MV,DLH-L05G,DLH-L05D,100 PSI-A-4V,5 PSI-GF-HGRADE-MINI,100 PSI-D-HGRADE-MV,BARO-A-4V-MINI,0.3 PSI-D-HGRADE-MINI,1 PSI-GF-HGRADE-MINI,4 INCH-D-HGRADE-MINI,5 PSI-D-4V-MINI,1 INCH-G-P4V-MINI,4 INCH-D-HGRADE-MV,15 PSI-D-HGRADE-MINI,5 PSI-D-HGRADE-MV,10 INCH-GDIP-MV-MINI,BLVR-L10D-B1NS-N,15 PSI-D-4V,4 INCH-GF-HGRADE-MINI,30 PSI-G-PRIME-MINI,1 INCH-G-4V-MINI,PSI-X-4V-ASCX,5 PSI-DX-4V-MINI,100 PSI-G-PRIME-MINI,DLVR-L10D,30 PSI-D-CGRADE-MV,DLVR-L10G,1 PSI-D-HGRADE-MINI,BLC-015A,5 INCH-GDIP-MV-SDXL,SPM 401,0.3 PSI-GF-HGRADE-MINI,SPM 402,30 INCH-D2DIP-MV-MINI,30 PSI-AF-PRIME-MINI,100 PSI-A-DO-MIL,MLV-L10D-A6AAX-N,5 CMH2O-D1-P4V-MINI,5 PSI-D-CGRADE-MV,30 PSI-D-4V,MLV-L10D-A6XAF-N,CPM602,30 INCH-D2-MV-MINI,ASCX SERIES,BARO-A-4V-MINI-PRIME,0.25 INCH-D-4V,DLHR- L10D + X,15 PSI-A-HGRADE-MV,100 PSI-GF-HGRADE-MINI,10 INCH-DX-4V-MINI,BDS-L10D030A,BLCR-L10D,1 PSI-GF-PRIME-MINI,100 PSI-D-CGRADE-MV,BDS SERIES,DLHR-L60D,DLHR-L60G,1 MBAR-D-4V,SPM401□-□□□□□□□□□□□□□□□□,5 PSI-G-HGRADE-MINI,5 PSI-GF-CGRADE-MINI,MAMP,0.3 PSI-G-4V-MINI,ADUX,0.3 PSI-G-CGRADE-MINI,2 INCH-GDIP-MV-SDXL,5 INCH-D-4V,4 INCH-D-CGRADE-MV,5 PSI-D-HGRADE-MINI,30 INCH-D-4V,BLV-L01DB1NS-N,10 INCH-G-PRIME-MINI,15 PSI-D-CGRADE-MV,BLCR,30 PSI-D-HGRADE-MIN,100 PSI-AF-PRIME-MINI,100 PSI-A-HGRADE-MV,20 INCH-GDIP-MV-MINI,CPM-502,MLV-005D,1 PSI-D-DO,BLCR-L20D,BARO-A-4V-PRIME-REF,5 PSI-D-DO-MIL,ABX00004,10 INCH-D1DIP-MV-MINI,10 INCH-D-MV,SPA 401,ABX00002,SPA 402,0.5 INCH-D-MV,30 INCH-D2DIP-MV-SDXL,100 PSI-A-4V-PRIME,1 PSI-D-HGRADE-MV,15 PSI-A-PRIME-MINI,DLH-L05D-E1NS-C-NAV6,5 INCH-DX-P4V-MINI,2 INCH-D2DIP-MV-SDXL,FPS SERIES,0.3 PSI-D-CGRADE-MINI,5 INCH-D2DIP-MV-SDXL,1 PSI-G-PRIME-MINI,30 PSI-A-PRIME-MV,30 PSI-A-4V-PRIME,SPM402□-□□□□□□□□□□□□□□□□,30 PSI-G-4V-MINI,BLC-L05D,MCI SERIES,100 PSI-G-HGRADE-MINI,BLVR-L20D,100 PSI-D-4V,30 PSI-A-4V-MINI,DLH-L10D,10 INCH-D-CGRADE-MINI,DLH-L10G,15 PSI-GF-CGRADE-MINI,1 INCH-D-MV,1 PSI-D-4V-ASCX,100
Body Temperature Sensors with Precise Temperature Control for Medical Laser Devices
The use of laser-assisted surgery is an incredible advancement in medicine, but it requires precise temperature control to ensure safety and effectiveness. Body temperature sensors are the key component that makes this possible and, most importantly, safe.
The Smallest MEMS Pressure Sensor in The Industry, Perfectly Suitable for Medical Catheter Application
When small is not small enough, look to NovaSensor‘s line of MEMS pressure sensor die for the perfect fit in your medical catheter application. With products ranging in size, pressure range, and ease of integration, we have the sensor solution you are looking for. Along with in-house wafer fabrication, NovaSensor possesses the technical knowledge and manufacturing infrastructure to design, build, test and modify sensors right within our own facilities.
CTS Coolant Temperature Sensor
描述- 该资料介绍了Coolant Temperature Sensor（冷却液温度传感器，简称CTS）的功能和应用。CTS用于监测电动汽车或插电式混合动力汽车电池模块周围的冷却液的温度，并在电池模块过热时向电池管理系统（BMS）发送信号，以防止电池组损坏并最大化性能。
型号- 3140X-2110,WTF083B001,PBT-GF15
MLX90614温度传感器
描述- Melexis MLX90614是一款集成红外光学、敏感热堆检测芯片和信号调理功能的数字红外温度传感器。该传感器提供非接触式温度测量，适用于多种应用，具有高精度和优化的噪声性能。
型号- MLX90614
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服务
可定制板装式压力传感器支持产品量程从5inch水柱到100 psi气压；数字输出压力传感器压力范围0.5~60inH2O，温度补偿范围-20~85ºС；模拟和数字低压传感器可以直接与微控制器通信，具备多种小型SIP和DIP封装可选择。
提交需求>
可定制温度范围-230℃~1150℃、精度可达±0.1°C；支持NTC传感器、PTC传感器、数字式温度传感器、热电堆温度传感器的额定量程和输出/外形尺寸/工作温度范围等参数定制。
提交需求>
授权代理品牌：集成电路
授权代理品牌：分立元件
授权代理品牌：接插件及结构件
授权代理品牌：部件、组件及配件
授权代理品牌：电源及模块
授权代理品牌：电子材料
授权代理品牌：仪器仪表及测试配组件
授权代理品牌：电工工具及材料
授权代理品牌：机械电子元件
授权代理品牌：加工与定制
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