catheter

简明释义

英[ˈkæθətə(r)]美[ˈkæθətər]

n. [医] 导管；导尿管；尿液管

复 数 c a t h e t e r s

英英释义

单词用法

同义词

反义词

例句

1.This involves a small incision being made in the neck, so that a catheter can be fed down towards the coronary arteries.

这需要在脖子处切割一个小切口，如此导尿管就能被传送给冠动脉。

2.The latest research evaluated a new approach to PVI in which cryothermal energy was applied via a balloon catheter.

最新研究评价了一种新的肺静脉分离的方法，其通过气囊导管使用冷烙能量。

3.This procedure ensures correct placement of the catheter.

这个程序可保证导液管的正确置入。

4.The catheter delivers a coolant that blocks conduction pathways that trigger atrial fibrillation.

这种装置可传输冷却剂，用于阻滞引发房颤的传导路径。

5.Catheter insertion through a synthetic vascular graft should be avoided whenever possible.

如有可能，尽量避免让导管穿入人造血管。

6.A catheter delivers a soft material smaller than a grain of rice into the tube.

一个比米粒还小的、柔软的东西通过导管被送入到输卵管内。

7.The urethra dilatation catheter comprises an epitheca and a hole closing device arranged in the epitheca.

所述尿道扩张导管包括设置在所述扩张导管内的上皮和闭孔装置。

8.The catheter was removed after the patient no longer needed it.

当病人不再需要时，导管被移除。

9.The nurse inserted a catheter into the patient's bladder to help drain urine.

护士将一个导尿管插入病人的膀胱，以帮助排尿。

10.A catheter is often used during heart procedures to deliver medication directly.

在心脏手术中，通常使用导管直接输送药物。

11.Patients with kidney stones may require a catheter to relieve pressure.

患有肾结石的患者可能需要一个导管来缓解压力。

12.After surgery, the doctor recommended a catheter for monitoring the patient's fluid intake.

手术后，医生建议使用一个导管来监测病人的液体摄入量。

作文

A catheter is a medical device that is commonly used in various healthcare settings. It is essentially a thin, flexible tube that can be inserted into the body for a variety of purposes. The most common use of a catheter is to drain urine from the bladder, but it can also be used to deliver medications, fluids, or nutrients directly into the bloodstream. Understanding how a catheter works and its different applications is crucial for both patients and healthcare professionals.In hospitals, a catheter may be used when a patient is unable to urinate on their own due to illness, injury, or surgery. In such cases, a healthcare provider will insert the catheter through the urethra and into the bladder. This allows for the continuous drainage of urine, which is essential for preventing complications such as urinary tract infections or bladder distension. Patients may feel discomfort during the insertion process, but once in place, a properly positioned catheter should cause minimal pain.There are different types of catheters, including intermittent catheters, indwelling catheters, and external catheters. Intermittent catheters are used on a scheduled basis, allowing the patient to empty their bladder at regular intervals. Indwelling catheters, on the other hand, are designed to stay in place for an extended period, often days or weeks, and are secured with a balloon to prevent them from slipping out. External catheters, sometimes referred to as condom catheters, are used primarily for male patients and are applied externally to the penis.In addition to urinary uses, catheters can also be utilized in cardiovascular procedures. For instance, during angioplasty, a special type of catheter is inserted into a blood vessel to help open narrowed arteries. This procedure can significantly improve blood flow and reduce the risk of heart attacks. Similarly, catheters are used in dialysis treatments for patients with kidney failure. The catheter allows for the removal of waste products from the blood, effectively performing the function of healthy kidneys.Despite their usefulness, catheters come with risks. One of the most serious complications is infection. Catheter-associated urinary tract infections (CAUTIs) are among the most common hospital-acquired infections. To mitigate this risk, healthcare providers follow strict sterile techniques during insertion and care of the catheter. Patients are also educated on how to care for their catheter at home if they require long-term use.The psychological impact of having a catheter can also be significant. Many patients feel embarrassed or anxious about needing a catheter, especially when it comes to personal hygiene and intimacy. Healthcare professionals play a vital role in addressing these concerns, providing reassurance, and educating patients about the importance of the catheter for their health.In conclusion, a catheter is an essential tool in modern medicine, enabling various treatments and interventions that can greatly enhance patient care. Whether used for urinary drainage, medication delivery, or vascular access, understanding the function and management of catheters is critical for ensuring patient safety and comfort. As medical technology continues to advance, the design and application of catheters are likely to evolve, further improving outcomes for patients around the world.

导管（catheter）是一种常用于各种医疗环境的医疗设备。它本质上是一个细长、灵活的管子，可以插入身体以实现多种目的。导管（catheter）最常见的用途是从膀胱排出尿液，但它也可以用于直接将药物、液体或营养物质输送到血液中。理解导管（catheter）的工作原理及其不同应用对于患者和医疗专业人员都至关重要。在医院中，当患者因疾病、受伤或手术而无法自行排尿时，可能会使用导管（catheter）。在这种情况下，医疗提供者会通过尿道将导管（catheter）插入膀胱。这允许尿液持续排出，这对防止尿路感染或膀胱扩张等并发症至关重要。患者在插入过程中可能会感到不适，但一旦放置正确，适当位置的导管（catheter）应该造成最小的疼痛。导管（catheter）有不同类型，包括间歇性导管（intermittent catheters）、留置导管（indwelling catheters）和外部导管（external catheters）。间歇性导管（intermittent catheters）按计划使用，允许患者在规定时间内排空膀胱。留置导管（indwelling catheters）则设计为长期放置，通常为数天或数周，并用气囊固定，以防止其滑出。外部导管（external catheters），有时称为阴茎导管（condom catheters），主要用于男性患者，外部贴附于阴茎上。除了尿液用途外，导管（catheter）还可用于心血管手术。例如，在血管成形术（angioplasty）中，一种特殊类型的导管（catheter）被插入血管，以帮助打开狭窄的动脉。此过程可以显著改善血流并降低心脏病发作的风险。同样，导管（catheter）在肾衰竭患者的透析治疗中也被使用。导管（catheter）允许将血液中的废物移除，有效地执行健康肾脏的功能。尽管导管（catheter）非常有用，但也伴随风险。其中一个最严重的并发症是感染。导管相关尿路感染（CAUTIs）是最常见的医院获得性感染之一。为了减轻这种风险，医疗提供者在插入和护理导管（catheter）时遵循严格的无菌技术。如果患者需要长期使用，他们也会接受关于如何在家中护理导管（catheter）的教育。拥有导管（catheter）的心理影响也可能非常显著。许多患者对需要导管（catheter）感到尴尬或焦虑，尤其是在个人卫生和亲密关系方面。医疗专业人员在解决这些问题中发挥着至关重要的作用，提供安慰，并教育患者导管（catheter）对他们健康的重要性。总之，导管（catheter）是现代医学中的一种重要工具，使各种治疗和干预成为可能，从而大大改善患者护理。无论是用于尿液排出、药物输送还是血管通路，理解导管（catheter）的功能和管理对于确保患者安全和舒适至关重要。随着医疗技术的不断进步，导管（catheter）的设计和应用可能会不断演变，进一步改善全球患者的治疗效果。