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power injector
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  高压注射器
     Contrast injection was done by using 50 ml nonionic contrast agent (300 mg I/ ml), at a flow rate of 3 ml/ s with a power injector, and 8 seconds delay, and data acquisition lasted for 55 seconds.
     采用高压注射器注射非离子型对比剂50ml(300 mg I/ ml) ,流率3.0 ml/ s ,延迟8s ,数据采集55s。
短句来源
     The data acquisition lasted for 40 seconds after 40 ml nonionic contrast agent (I 300 mg /ml, 4.0 ml/s) was administered by a power injector with a 5 seconds delay.
     采用高压注射器注射非离子型对比剂40ml(碘浓度300mg/ml),流速4ml/s,延迟5s,数据采集40s。
短句来源
     8~12ml of nonionic contrast material was injected at a rate of 2~3ml/s with a power injector or manual injection.
     用手推或高压注射器注入非离子型造影剂 ,注入速度 2~ 3ml/s、总量 8~ 12ml。
短句来源
     (20ml), totally ultravist 100ml by a power injector,the first scan and the second scan were taken at 18-20sec. and 55-60 sec, after injection,The SVS 0.3 sec. mode with 6-mm slice thickness and 20 slices were taken there ofter.
     应用高压注射器以3.5ml/秒(80ml)和10ml/秒(20ml)速度注射Ultravist100ml,在注射造影剂后18~20秒和55~60秒,应用SVS0.3秒序列扫描胰腺20层,层厚6mm。
短句来源
     Contrast injection was done by using 50 ml nonionic contrast agent(300 mg I/ml),at a flow rate of 3.5 ml/s with a power injector,and 5 seconds delay,and data acquisition lasted for 45 seconds. The scanning images were processed in ADW 4.0 workstation.
     采用高压注射器注射非离子型碘对比剂50 ml (300 mg I/ml),流率3.5 ml/s,延迟5 s,数据采集45 s。
短句来源
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  “power injector”译为未确定词的双语例句
     A volume of 80 ml of megluming diatrizoate(225 mg/ml) was injected with a power injector into the SMA in all patients. The injection rates were,A:3.0 ml/s;
     经肠系膜上动脉注入浓度为 2 2 5mg/ml的泛影萄胺 80ml ,注射速率分别为A :3 .0ml/s ;
短句来源
     Each patient received a bolus of 80 -100 mL of iodinated contrast medium injected at a rate of 2.0 - 2. 5 ml/sec with a power injector. Artery period scan was perfronned at 23 - 27 s after the start of contrast material injection ,and vein period scan was at 60 - 80 s .
     造影剂为非离子型造影剂碘海醇、欧乃派克或离子型造影剂泛影葡胺(病人随机自由选择),80-100ml,注射速度2-2.5ml/s,开始注射造影剂后23-27s进行快速扫描,为动脉期,60-80s扫描为静脉期。
短句来源
     Contrast medium was injected at a rate of 3ml/sec with a power injector. The scaning delay was from 20 to 40 seconds. We used 120kV, 50mA, 2.5mm collimation and pitch 6:1 to produce 2.5mm thick image at 1.0mm increments.
     造影剂注射速度为3ml/Sec,延迟扫描时间为20—40sec,层厚2.5 mm、螺距为6mm、重建间隔1mm。
短句来源
     The contrast medium (300mg Iml), at a dosage of 80 ml, was injected by power injector at the rate of 3.5mls. Axial scans were performed in 18 second when the injection was triggered.
     造影剂含碘浓度300mgI/ml,注射速度3.5ml/s,总量80ml,延迟18s后扫描。
短句来源
     Methods:Dual-phase dynamic CT scans were done in 48 patients after contrast-enhanced scan. By using a power injector,60 ml of 75% contrast material was injected at a speed of 3 ml/sec via a 17-guage antecubital vein catheter,14 s after start of bolus the dual-phase dynamic CT scans were performed 7 times at the single level.
     方法:48例肝肿瘤患者平扫发现并定位病灶后,用压力注射器以3ml/s速度从肘静脉经17号塑料套管针注入造影剂60ml,开始注射后14s行双期动态CT,同层共扫7次。
短句来源
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  相似匹配句对
     POWER
     清华的力量
短句来源
     On Power
     权力的概念、产生和制约
短句来源
     Analysis on Economics of Steam Injector in Thermal Power Plant
     热电厂采用升压加热装置的经济性分析
短句来源
     The Use of Power-injector in Contrasted Helical CT Scan
     高压注射器在螺旋CT增强扫描中的应用
短句来源
     injector at 250℃.
     进样口温度:250℃。
短句来源
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  power injector
The catheter tip is formed in three dimensions to allow simple selective catheterization and to provide improved stability during injection of contrast media by power injector or by hand.
      
Three small boluses were injected during the diastolic phase of three consecutive cardiac cycles using a commercially-available power injector.
      
In 14 experiments comprising 102 indicator recordings cold 5% dextrose solution and ink, were used as indicators being injected as boli at a defined instant during the pumping cycle by means of a power injector.
      
The use of a double syringe power injector with saline flush following contrast material bolus significantly improves parenchymal and vascular enhancement during contrast-enhanced abdominal MDCT with low iodine doses.
      
Contrast was injected with a power injector and large venous catheter, 20-G for 2- to 3-ml rate and 18-G for 3- to 5-ml rate.
      
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Quantitative evaluation of pancreatie enhancement during dual-phase electron beam CT (EBCT) scanning.Materials and Methods:EBCT examinations were performed in 110 patients(aged 26-72 years)with suspected pancreatic lesions.The diseases included followings.Pancreatic cancer(n=15),pancreatitis(n=3), trauma (n=2), normal (n=90).At a rate of 3.5ml/sec.(80ml)and 1.0ml/sec.(20ml), totally ultravist 100ml by a power injector,the first scan and the second scan were taken at 18-20sec. and 55-60 sec, after injection,The...

Quantitative evaluation of pancreatie enhancement during dual-phase electron beam CT (EBCT) scanning.Materials and Methods:EBCT examinations were performed in 110 patients(aged 26-72 years)with suspected pancreatic lesions.The diseases included followings.Pancreatic cancer(n=15),pancreatitis(n=3), trauma (n=2), normal (n=90).At a rate of 3.5ml/sec.(80ml)and 1.0ml/sec.(20ml), totally ultravist 100ml by a power injector,the first scan and the second scan were taken at 18-20sec. and 55-60 sec, after injection,The SVS 0.3 sec. mode with 6-mm slice thickness and 20 slices were taken there ofter.CT value of regions of interest (ROls) were obtained from the largest and most homogeneous areas of the head, body and tail of the pancreas on corresponding AP and PVP scans.Results; Mean pancreatic enhancement revealed on AP scans and on PVP scans were 101 Hu+8 (standard error) and 81Hu+5 (P<0.001).Those on AP scans comparing with on PVP scans, an improvement in enhancement of at least 20 HU was attained in 61 of 110 (55/),and of at least 10 HU in 38 of 110(34%);however, AP enhancement was less than PVP enhancement in 11 of 110(10%).Conclusion:The anatomy structure demonstrated on AP scans was more detailed than that on PVP scans.Comparing AP and PVP scans, peripancreatic invasion of cancer could be shown more clear,and the accuracy for detection small pancreatic lesions thus be improved.

目的:定量估价电子束CT双期扫描胰腺的增强程度。材料和方法:110例可疑胰腺病变者(26~72岁)均行电子束CT检查。其中胰腺癌15例,胰腺炎3例,胰腺外伤2例,正常胰腺90例。应用高压注射器以3.5ml/秒(80ml)和10ml/秒(20ml)速度注射Ultravist100ml,在注射造影剂后18~20秒和55~60秒,应用SVS0.3秒序列扫描胰腺20层,层厚6mm。于动静脉期测量胰腺头、体、尾CT值。结果:在动脉期胰腺增强的CT值为101Hu±8(标准差),静脉期为81Hu±5。其中61例(55%)动脉期较静脉期CT值增高20Hu以上;38例(34%)增高10Hu以上;11例(10%)动脉期CT值低于静脉期。结论:胰腺动脉期扫描较静脉期可提供更详细的解剖结构,可更清楚显示胰腺癌对胰周的浸润,可提高检测胰腺内小病灶的准确性。

Purpose: To evaluate the clinical application of ultrafast CT (UFCT) in diagnosis of cardiovascular diseases. Materials and methods: UFCT was achieved in 2 069 patients with various cardiovascular diseases, age ranged from 1 to 82 years. The scanning protocols included single slicee mode (SSM) with slice thickness 1.5, 3.0, 6.0, 10.0 mm, multislice mode (MSM) including cine study and flow study, and continuous volume scan (CVS). In this series of 2 069 cases, there were nonenhancement scans 1 862, contrast enhancement...

Purpose: To evaluate the clinical application of ultrafast CT (UFCT) in diagnosis of cardiovascular diseases. Materials and methods: UFCT was achieved in 2 069 patients with various cardiovascular diseases, age ranged from 1 to 82 years. The scanning protocols included single slicee mode (SSM) with slice thickness 1.5, 3.0, 6.0, 10.0 mm, multislice mode (MSM) including cine study and flow study, and continuous volume scan (CVS). In this series of 2 069 cases, there were nonenhancement scans 1 862, contrast enhancement SSM 279, cine study 1 101, flow study 295, and CVS 82. The ECG triggering was used in SSM and MSM. Contrast media were injected by power injector. Results: Among the 2 069 patients with cardiovascular diseases the UFCT technical successful rate was 100%. In the group of the 1 792 patients suspected of coronary heart disease, coronary calcification was detected in 707 (39%). Of 1 792 patients, 90 cases underwent both UFCT and coronary arteriography. The sensitivity and specificity of calcification for diagnosis of coronary stenosis (>50%) were 77% and 80% respectively. Other cardiovascular diseases included valvular diseases in 79 cases, cardiomyopathy in 30, pericardial lesions in 25, cardiac tumors in 11, great vessel diseases in 97, congenital heart diseases in 25 and pulmonary thrombosis and embolism in 10 cases. Conclusion: With scan time as fast as 50~100 millisecond, UFCT can provide high resolution anatomical images of the heart and great vessels without motion artifacts. Both cine and flow studies can assess cardiac function, organ perfusion, and hemodynamics, allowing examination of cardiovascualr pathology in sharp detail for more accurate diagnosis.

目的:评价超高速CT(UFCT)在心血管病诊断中的价值。材料与方法:对2069例心血管病患者进行超高速CT检查。其中平扫1862次,单层增强279次,电影序列1101次,血流序列295次,连续容积扫描82次。结果:疑诊冠心病1792例,其中平扫发现冠状动脉钙化707例(39%),其诊断冠心病的敏感性为77%,特异性为80%。其他包括瓣膜病79例,心肌病30例,心包疾患25例,心脏肿瘤11例,大血管疾患97例,先天性心脏病25例,肺动脉血栓栓塞10例。结论:UFCT扫描可得到高分辨率的心脏大血管解剖影像,并可以评价心脏功能、器官灌注和血液动力学资料,在心血管病理上可以得到更详尽的、正确的诊断

Purpose: To optimize spiral CT angiography (SCTA) technique and to widen the range of its clinical applicability. Materials and methods: Thirty patients with SCTA were divided into three groups: vascular diseases, relationship of tumor to adjacent vessels, imaging of portal vein system. Contrast material was injected intravenously with a power injector via the antecubital vein. The bolus timing, injective rate, the delay time and the scanning technique varied with the type of study location of the lesions...

Purpose: To optimize spiral CT angiography (SCTA) technique and to widen the range of its clinical applicability. Materials and methods: Thirty patients with SCTA were divided into three groups: vascular diseases, relationship of tumor to adjacent vessels, imaging of portal vein system. Contrast material was injected intravenously with a power injector via the antecubital vein. The bolus timing, injective rate, the delay time and the scanning technique varied with the type of study location of the lesions and the scanning range. MIP and SSD reconstruction were used as three dimensional models. Results: High quality vascular images could be obtained by optimizing scanning technique and contrast agent administration. The 3D presentation could clearly display the vascular anatomy, its pathological conditions including artery stenosis, aortic aneurysm. Also, the 3D images could accurately depict and evaluate relationship of tumor to vessels such as pad effect, encasement and involvement. Even with peripheral injection of contrast agent, the portal venous system could also be demonstrated effectively with this technique providing the surgeon with information about resectability and a “road map” for planning the hepatic and pancreatic tumor operation. These views could also provide a 3D map of the hepatic venous and intrahepatic portal venous system to allow planning of transjugular intrahepatic portal systemic shunt (TIPSS) procedure and confirm the patency of portacaval and mesocaval shunts postoperatively. Conclusion: Spiral CT angiography was found to be a noninvasive fast and effective method to image complex vascular structures, and to compensate for the limitation of conventional CT and MRI. To some extent, the technique can be as an alternative to DSA.

目的:探讨合理的螺旋CT血管造影(spiralCTangiography,SCTA)技术,扩大其临床应用范围,并对其临床价值作一初步评估。材料与方法:30例SCTA检查分为三组:血管性病变、肿瘤与邻近血管关系、门静脉系统成像。扫描技术和造影剂参数按受检部位、范围和病变性质具体设置。三维重建采用最大强度投影(MIP)或(和)表面成像显示(SSD)。结果:合适的扫描和增强技术可获得良好的血管成像,能可靠地显示血管形态和病变,如动脉狭窄、动脉瘤等;术前准确评估肿瘤与邻近血管关系:推移、压迫、包绕或浸润。外周静脉注射造影剂,门静脉结构和分布可充分显示,有利于肝癌、胰腺癌的术前可切除性评估和术中导向,TIPS空间定位、门静脉或肠系膜静脉与下腔静脉分流术后通畅性评估。结论:SCTA是有效的无创伤性血管成像术,可弥补横断面CT和MRA的不足,在某种程度上可替代创伤性的血管造影(或DSA)。

 
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