气管替代物 tracheal substitute(1)   tracheal substitute      It is suggested that a composite chest,wall soft-tissue flap tube withan intercostal vascular pedicle might be an ideal tracheal substitute.      作者认为带肋间血管蒂胸壁复合软组织瓣管型是较理想的气管替代物。 短句来源   “气管替代物”译为未确定词的双语例句      A tracheal prosthesis has to be implanted to the site of injury to keep the trachea continuous and flowing smoothly as the length of pathological trachea exceeds 50mm-60mm.      对于人类,当环行切除气管超过50mm-60mm时,就必须通过植入气管替代物才能重建气管的连续性以维持气道的畅通。 短句来源      Since the first tracheal resection and re-anastomosis was performed on humans in 1884,various surgical methods and techniques for tracheal reconstruction have been developed based on the degree and the cause of the tracheal diseases.      在人类，当环形切除气管超过50mm-60mm时，就无法通过解剖分离的方法来作端端吻合，必须植入气管替代物才能重建气管的连续性以维持气道的通畅。 气管替代物主要包括同种异体气管、自体组织、人工气管假体和组织工程化气管。 短句来源      Tracheal resection and reconstruction should be performed sometimes due to trauma or tumors, and tracheal prosthesis is preferred especially when the reconstruction of tracheal defects is more than 50mm.      气管因外伤或肿瘤等疾病有时需要做切除并进行气道重建，当切除气管的长度超过直接吻合限度50mm时，就必须植入气管替代物——人工气管才能重建气管的连续性以维持气道的通畅。 短句来源      Achievements of this research have high value for reference and provide theory foundation for the investigation of tracheal prosthesis. It will accelerate the development of textile technology in medicine field.      本课题的研究为气管替代物的研制提供了重要的理论依据和参考价值，促进和推动了纺织品在医学领域的发展。 短句来源   相似匹配句对      Dermal matrix substitutes      真皮替代物 短句来源      A new kind of tracheal replacement: tissue-engineered trachea      气管移植研究中的新型替代物——组织工程化气管 短句来源      Anterior mediastinal tracheostomy      上纵隔气管造瘘术 短句来源      Primary Tracheal Tumor      原发性气管肿瘤 短句来源      CFC Alternatives and Policy of Chinese Government      CFC的替代物及我国的对策 短句来源 查询“气管替代物”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   tracheal substitute An experimental study was conducted to investigate whether a segment of autogenous esophagus with its lumen supported by an expandable metallic stent (EMS) could be successfully used as a tracheal substitute. 例句来源       The results of this study indicated that a segment of the esophagus with its lumen supported by an EMS could work as a reliable tracheal substitute, though its practical use is not clinically feasible. 例句来源       Pericardial patch has been used as a tracheal substitute in the past. 例句来源                This study is undertaken to observe the morphological changes in the healing of canine traheal anastomosis.Twenty-four dogs were divided into 3 groups:group I(n=8):simple transection;group II(n=8) slevae resection andgroup III(n=8):tubular reconstruction with chest wall soft tissues consisting of intercostal muscles parietal pleura and inter-costal vascular pedicle.An intraluminal elastic stet was used.At the 4th postoperative week,the anastomotic healing was seenin all groups.Owing to local hypoxia,ischemi...             为观察气管吻合口修复的形态学改变，将２４条犬气管分单纯横断、袖状切除和管型重建３组。术后４周各组吻合口上皮均基本修复。袖状切除组因吻合口张力大、局部缺血、乏氧导致瘢痕形成，出现不同程度的吻合口狭窄；管型重建组因吻合口张力小，基本不影响吻合口愈合，不易产生物合口狭窄。作者认为带肋间血管蒂胸壁复合软组织瓣管型是较理想的气管替代物。 文摘来源          Objective: To design a novel tracheal prosthesis made from composite biomaterials, and to study its feasibility for replacing cervical trachea in mongrel dogs. Methods: Twelve adult mongrel dogs(weighing 16.3 21.8 kg) were used to establish the experimental models.We designed 2 types of tracheal prosthesis.Type Ⅰ prosthesis was a tubular knitted mesh made of polypropylene monofilament and polyglactin fiber,the luminal surface was coated with polyurethane and collagen,and the exterior surface was covered w...             目的 :通过筛选适宜的生物材料和选用特殊的成型工艺自行研制新型人工气管假体 ,探讨其用于长段气管缺损重建的可行性。方法 :根据理想化气管替代物的要求 ,设计出 型人工气管 :由聚丙烯单丝、聚乙丙交酯纤维编织成直管状网管 ,内壁涂以聚氨酯薄膜和胶原蛋白 ,涂层材料不能透过外壁网孔 ,外壁采用胶原蛋白 -羟基磷灰石多孔状海绵覆盖。作为对照的 型人工气管 ,网管结构与 型相同 ,内外壁均涂以聚氨酯。分别将 型、 型人工气管用于实验组 (8只 )和对照组 (4只 )动物 ,构建犬颈部气管置换与重建的动物模型。结果 :实验组犬术后人工气管假体能迅速被宿主气管周围组织包绕而达到生物学固定 ,假体在位良好 ,吻合口肉芽生长不明显 ;假体内腔可见不规则黏膜上皮生长 ,色较苍白 ,未铺覆内腔全长 ;包绕假体的周围组织中可扪及散在的大小不等的硬质骨性结构 ;动物存活时间长。而对照组术后均出现不同程度的假体松脱现象 ,并发生局部漏气、感染及狭窄等并发症。结论 :该生物材料人工气管可用于长段气管... 文摘来源          Tissue engineering trachea is an artificial trachea with biological activity, which is constructed in vitro by using tissue engineered principle and technology, and is a tracheal prosthesis for replacing large circumferential defect of the trachea. The course of its construction is as follows. First, seeding cells are cultured and expanded in vitro. Then they are collected, counted and seeded onto the biomaterial scaffold of tissue consistent and biodegradation. Finally, the biomaterial-cells construction i...             生物组织工程化气管是利用组织工程学的原理和技术在体外构建出具有气管主要生理功能的一种具有生物活性的人工气管,作为气管缺损外科修复的气管替代物。它的构建过程是,首先选取一定数量的经体外培养扩增种子细胞,把它们种植在生物相容性好、可降解的支架材料上;然后将此细胞材料复合物置于生物反应器当中或自体皮下,经过一段时间的诱导分化和培养即形成组织工程化气管。与其它种类的气管替代物相比,组织工程化气管具有无免疫原性、无排斥反应、有生物活性等优点,这将为寻找一种适合机体内环境的气管移植材料带来一条有希望的途径。但是该领域的研究工作还面临着诸如组织工程化气管的血管化、体外培养和植入后的感染等难题,要将组织工程化气管真正应用到临床,还有很长的路要走。我们从细胞支架的研究、种子细胞的选择和组织工程化气管的构建这三方面对组织工程化气管的研究进行综述。 文摘来源       相关查询: 气管 替代物 气管肌 气管再造 气管囊肿 气管韧带 气管膜壁 气管切除 玻璃体替代物 翅气管 腹气管 探气管  对查询结果不满意

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