Related by context. Frequent words. (Click for all words.) 61 cannula 61 tracheal tube 60 endotracheal tube 60 femoral vein 60 retractor 58 endoscopically 57 peritoneal cavity 57 thoracic aorta 57 central venous catheters 57 fluoroscopic 57 intraoperatively 56 insert catheter 56 pericardium 56 percutaneously 56 trocar 55 solenoid valve 55 dural 55 catheter inserted 55 pulse generator 55 stomach pouch 55 vena cava 55 tracheostomy tube 54 ureters 54 cryostat 54 digestive organs 54 vertebral artery 54 dilator 54 venipuncture 54 catheter 53 suction tube 53 peristaltic pump 53 abdominal aorta 53 surgical implantation 53 balloon catheter 53 diaphragm 53 stoma 53 Resection 53 bloodflow 53 sinus cavities 53 venous blood 53 central venous catheter 53 Venous 53 epicardial 52 uterine cavity 52 extracorporeal 52 inserting catheter 52 periosteum 52 diseased arteries 52 lavage 52 surgical incisions 52 endograft 52 catheterization laboratory 52 scleral 52 metal stent 52 cannulas 52 aspirate 52 dialysate 52 vas deferens 52 anal canal 51 renal arteries 51 intraosseous 51 bronchoscope 51 collimator 51 IV catheter 51 RS# interface 51 enteral feeding 51 nasal passage 51 laparoscopic instruments 51 speculum 51 sleeving 51 bronchial tubes 51 hepatic artery 51 catheters 51 pedicle screws 51 tear duct 51 airway 51 valve 51 tiny incisions 50 intracardiac 50 cannulation 50 atrial septal defect 50 septal 50 microbeads 50 tricuspid valve 50 anastomosis 50 sterile gloves 50 pulmonary vein 50 sternotomy 50 nasogastric tube 50 Merci Retriever 50 suture 50 aqueous humor 50 centrifugal pump 50 perineal 50 parathyroid glands 50 fascial 50 bypass graft 50 catheterisation 50 surgical incision 50 anastomoses 50 laparotomy