cannulas
简明释义
n. （输药等的）套管，插管（cannula 的复数）
英英释义
A cannula is a thin tube inserted into the body, often used to deliver medication or fluids, or to drain fluid from the body. | 导管是一种细管，插入体内，通常用于输送药物或液体，或从体内引流液体。 |
单词用法
气管插管 |
同义词
反义词
| 绷带 | 医生在伤口上贴了绷带。 | ||
| 密封 | 确保容器密封严实。 |
例句
1.Several cannulas are placed in different locations on your abdomen to allow your surgeon to place instruments inside your belly to work and remove your spleen.
几个套管将被放在你的腹部的不同的地方，以便于你的外科医生把手术设备放到你的肚子里，并切除脾脏。
2.The entire procedure may be completed through the cannulas or by lengthening one of the small cannula incisions.
全部手术可以完全利用套管进行或者需要扩大其中一个套管的切口。
3.This thesis, by analyses of engineering examples, proved that technical-and-economic contrasts are necessary in the setting of waterproof cannulas, and that different ways should…
通过对规范的分析、对套管防水机理的研究，认为设置防水套管要进行技术、经济比较，不同部位要区分对待，并提出了穿越楼面的处理办法。
4.This thesis, by analyses of engineering examples, proved that technical-and-economic contrasts are necessary in the setting of waterproof cannulas, and that different ways should…
通过对规范的分析、对套管防水机理的研究，认为设置防水套管要进行技术、经济比较，不同部位要区分对待，并提出了穿越楼面的处理办法。
5.Several other cannulas are inserted to allow the surgeon to work inside and remove part of the colon.
病人的腹部还要放入其他的套管，用于让外科医生用于实施手术、切除部分结肠。
6.The veterinarian used cannulas to administer medication to the injured animal.
兽医使用导管为受伤的动物施药。
7.During the surgery, the doctor used multiple cannulas to administer anesthesia.
在手术过程中，医生使用了多个导管来施用麻醉剂。
8.The nurse inserted the cannulas into the patient's arm for intravenous therapy.
护士将导管插入患者的手臂以进行静脉治疗。
9.Different sizes of cannulas are available for various medical procedures.
不同尺寸的导管可用于各种医疗程序。
10.The emergency team quickly placed cannulas in order to deliver fluids to the dehydrated patient.
急救团队迅速放置导管以便向脱水的患者输送液体。
作文
In the field of medicine, various tools and devices are essential for providing effective treatment and care to patients. One such important device is the cannula, which plays a crucial role in the administration of fluids, medications, and the extraction of blood. A cannula is a thin tube that can be inserted into the body, typically through a vein or an artery, to facilitate these processes. Understanding the function and application of cannulas is vital for both healthcare professionals and patients alike.The primary use of a cannula is to allow for the easy and efficient delivery of substances directly into the bloodstream. This is particularly important in emergency situations where time is of the essence. For instance, when a patient is experiencing severe dehydration or shock, medical staff can quickly insert a cannula to administer intravenous fluids, thereby stabilizing the patient's condition. The speed and effectiveness of this intervention can often mean the difference between life and death.Moreover, cannulas are not only used for delivering fluids but also for administering medications. Patients who require continuous medication, such as those undergoing chemotherapy, may have a cannula placed for long-term access. This reduces the need for repeated needle sticks, which can be painful and inconvenient. Additionally, using a cannula minimizes the risk of infection, as it allows for a sterile pathway to the bloodstream.There are different types of cannulas designed for specific purposes. For example, peripheral cannulas are commonly used for short-term access, while central venous cannulas are utilized for long-term treatments. Central cannulas are inserted into larger veins, allowing for greater volume and pressure capacity, which is especially beneficial for patients requiring extensive medical interventions.In addition to their medical applications, understanding the proper care and maintenance of cannulas is critical. Healthcare providers must ensure that the insertion site is kept clean and monitored for any signs of infection or complications. Patients and their families should also be educated about the importance of hygiene and recognizing any unusual symptoms that may arise during the use of a cannula.Despite their many benefits, the use of cannulas is not without risks. Potential complications can include phlebitis, thrombosis, or even accidental dislodgement of the cannula. Therefore, it is essential for healthcare professionals to assess each patient's individual needs and risks before proceeding with the insertion of a cannula. Proper training and adherence to protocols can significantly reduce the likelihood of adverse events.In conclusion, cannulas are invaluable tools in modern medicine, facilitating critical interventions and improving patient outcomes. Their ability to provide quick access to the bloodstream for fluids and medications makes them indispensable, particularly in emergency and long-term care settings. As both healthcare providers and patients continue to navigate the complexities of medical treatment, a thorough understanding of cannulas and their implications will enhance the quality of care delivered. By recognizing the importance of these devices, we can better appreciate the advancements in medical technology that have revolutionized patient treatment and safety.
在医学领域，各种工具和设备对于为患者提供有效的治疗和护理至关重要。其中一个重要的设备是导管，它在液体、药物的输送以及血液的提取中发挥着关键作用。导管是一种细管，可以插入到身体内，通常通过静脉或动脉，以便于这些过程。理解导管的功能和应用对医疗专业人员和患者来说都是至关重要的。导管的主要用途是允许物质直接进入血液循环，从而实现快速高效的输送。这在紧急情况下尤其重要，因为时间至关重要。例如，当患者经历严重脱水或休克时，医务人员可以迅速插入导管来输注静脉液体，从而稳定患者的病情。这种干预的速度和有效性往往决定了生死。此外，导管不仅用于输送液体，还用于给药。需要持续用药的患者，例如正在接受化疗的患者，可能会放置导管以便长期使用。这减少了重复针刺的需要，这可能会导致疼痛和不便。此外，使用导管还降低了感染的风险，因为它提供了一条无菌通道进入血液循环。有不同类型的导管设计用于特定目的。例如，外周导管通常用于短期接入，而中心静脉导管则用于长期治疗。中心导管插入较大的静脉，能够承受更大的流量和压力，这对于需要广泛医疗干预的患者尤其有益。除了医疗应用之外，了解导管的正确护理和维护也至关重要。医疗提供者必须确保插入部位保持清洁，并监测任何感染或并发症的迹象。患者及其家属也应接受有关卫生的重要性以及在使用导管期间识别任何异常症状的教育。尽管有许多好处，使用导管并非没有风险。潜在的并发症包括静脉炎、血栓形成，甚至意外脱落导管。因此，医疗专业人员在进行导管插入之前，评估每位患者的个体需求和风险是至关重要的。适当的培训和遵循协议可以显著降低不良事件的可能性。总之，导管是现代医学中不可或缺的工具，促进了关键干预措施并改善了患者的结果。它们能够快速接入血液循环以输送液体和药物，使其在紧急和长期护理环境中变得不可或缺。随着医疗提供者和患者继续应对医疗治疗的复杂性，全面理解导管及其影响将提升所提供护理的质量。通过认识到这些设备的重要性，我们可以更好地欣赏已经彻底改变患者治疗和安全的医疗技术进步。
