plastic stent造句

• A plastic stent is temporarily inserted to prevent collapse of the trachea.
• Plastic stents may be placed to facilitate drainage from the pseudocyst.
• Plastic stents are for temporary purpuse unlike metallic ones.
• Plastic stents can also be used to relieve obstruction of the Common bile duct at ERCP.
• So, I wanted to know what happens to it after the purpose served or after maximum duration a plastic stent serves.
• That design feature could also help a plastic stent from Reva or Guidant compete with the absorbable metal stent from Biotronik.
• SEMS and self-expanding plastic stents have also been used for non-malignant conditions that cause narrowing or leaks of the esophagus or colon.
• The faculty members and students found an additional benefit to using a plastic stent instead of metal : the material is porous and dissolves over time.
• A new mineral treatment makes the valve more durable and allows Medtronic to remove the plastic stent that has in the past helped the valve keep its shape.
• Eberhart is working with " bioresorbable " plastic stents that supply the traumatized blood vessel walls with concentrated cells and special nutrients as well as keep the vessels open while they heal.
• Other procedures associated with ERCP include the trawling of the common bile duct with a basket or balloon to remove gallstones and the insertion of a plastic stent to assist the drainage of bile.
• Boston Scientific, the leading supplier of metal devices known as stents that hold blood vessels open, said Tuesday that it would invest in Reva Medical, a private start-up company, and help develop its novel plastic stent.
• Removable plastic stents are used in uncomplicated gallstone disease, while permanent blood clotting is impaired, as the risk of bleeding ( especially from sphincterotomy ) is increased in the use of medication such as clopidogrel ( which inhibits platelet aggregation ) or if the prothrombin time is significantly prolonged.