Related by context. All words. (Click for frequent words.) 60 implantable cardioverter defibrillator 59 defibrillator pacemaker 57 implantable pacemaker 56 Left Ventricular Assist Device 56 cardiac defibrillator 55 nonfusion 55 biventricular pacemaker 55 implant defibrillator 55 nerve stimulator 54 cardiac defibrillators 54 Medtronic defibrillator 54 medicated stent 54 spinal cord stimulator 54 nonsurgical procedure 54 cardiac resynchronisation therapy 54 implantable defibrillator 54 implantable cardiac defibrillator 53 AngioJet 53 angioplasty stents 53 unclog arteries 53 resynchronization therapy 53 percutaneous valve 53 implantable cardioverter defibrillator ICD 53 tricuspid valve repair 53 cardioverter defibrillator 53 Medtronic implantable 53 cardiac ablation procedures 53 ventricular assist 53 cardiac stents 53 implanted pacemaker 53 synthetic grafts 53 cardiac pacemaker 53 LVAD 53 defibrillator 52 Heartmate II 52 neurostimulator 52 wound vac 52 biliary stent 52 invasive catheter 52 pacemaker 52 implanted defibrillator 52 spinal implants 52 external fixator 52 HeartNet 52 HeartMate XVE 52 Cardiac resynchronization therapy 52 Guidant implantable 52 neurostimulators 52 StatLock 52 stopwatch sized 52 coronary artery stenting 52 stents 52 MicroMed 52 Arrow LionHeart 51 embolectomy 51 biventricular pacemakers 51 LVAD implanted 51 ventricular assist device 51 cardioverter defibrillators 51 implantable cardiac defibrillators ICDs 51 Vagus Nerve Stimulator 51 stent 51 cardiac resynchronization 51 ventricular reconstruction 51 stents pacemakers 51 AtriClip 51 Dacron graft 51 Guidant defibrillator 51 nerve stimulators 51 catherization 51 clot retrieval 51 Ancure device 50 HeartMate 50 cadaver bone 50 device LVAD 50 da Vinci robotic 50 MiniMed 50 Novacor 50 Levitronix 50 Mammotome 50 transcatheter valve 50 arterial stents 50 AlphaCor 50 cardiac catherization 50 interventional vascular 50 Vagus nerve 50 arterial aneurysms 50 endovascular aortic repair 50 ECMO machine 50 defibrillator CRT D 50 Implantable cardioverter defibrillators 50 Enteryx 50 MYO VAD 50 minimally invasive cardiac 50 electrode pads 50 microelectrode array 50 eyeonics 50 tissue expander 50 defibrillators pacemakers 50 implantable cardiac defibrillators 49 Thoratec HeartMate II 49 vagus nerve stimulator 49 doctors implanted pacemaker 49 implantable device 49 pacemakers implanted 49 thrombus removal 49 Merci Retrieval System 49 LVADs 49 external defibrillator 49 transcatheter valves 49 KYPHON Balloon Kyphoplasty 49 artificial sphincter 49 neuromonitoring 49 InterStim 49 plaque excision 49 clot busting therapy 49 pacemakers implantable defibrillators 49 eSVS MESH 49 mitral valve regurgitation 49 Sapien XT 49 Spinal Concepts 49 anastomotic devices 49 coated stent 49 intravenous catheter 49 pulmonic valve 49 implantable cardioverter 49 catheter 49 implant 49 ablation procedures 49 intravascular stent 49 defibrillator ICD 49 defibrillator implanted 49 Guidant Corp. GDT.N 49 implantable cardiac devices 49 percutaneous procedures 49 Revascor TM 49 Thoratec HeartMate 49 cardiac stent 49 AngioSculpt Scoring Balloon Catheter 49 treat irregular heartbeats 49 AneuRx 49 cardiology endoscopy 49 drug eluting coronary stents 49 disposable catheter 49 electrophysiology lab 49 occluded artery 49 esophageal stent 49 implantable cardiac device 49 insert stent 48 coronary stents 48 neurostimulation 48 degenerated discs 48 fracture fixation 48 carotid stent 48 ultrasound transducer 48 anticlotting drugs 48 MedicalCV 48 unicompartmental knee 48 mammary artery 48 surgical staplers 48 vascular stents 48 Heartmate 48 cardiac defibrillator implanted 48 intra aortic balloon 48 interventional radiology interventional cardiologyOlaf Sporns 48 cerebral angiogram 48 valve prosthesis 48 stent wire mesh 48 coil embolization 48 SurgRx 48 neurostimulation devices 48 InSync Sentry 48 pulse oximeters 48 percutaneously 48 endograft 48 medicated stents 48 RyMed 48 ventricular assist devices 48 HALO# [002] 48 Cypher stent 48 Coronary artery bypass 48 clot busting medication 48 miniaturized implantable 48 cardiac cath 48 occipital nerve 48 resynchronization devices 48 clot dissolving drugs 48 tubal ligation reversal 48 functional mitral regurgitation 48 subclavian vein 48 myoblast cells 48 EKG machine 48 balloon dilatation 48 bone marrow aspiration 48 implanting pacemaker 48 implantable devices 48 Abiocor 48 defibrillator implant 48 coronary sinus 48 Stryker Corp SYK.N 48 transcatheter 48 Catheter ablation 48 DaVinci robot 48 cPAX 48 upper chambers atria 48 Plexur M 48 ablation therapy 48 MitraClip 48 arrythmia 48 defibrillation shock 48 Sapien THV 48 ophthalmoscope 48 VEPTR 48 defibrilator 48 port cath 48 ECG electrodes 48 Levacor TM 48 Attrius TM 48 AV fistulas 48 clot dissolving drug 48 HeartMate II 48 mitral valve replacement 48 cardiac septal repair 48 VentrAssist 48 saline implant 48 fibrin glue 48 electrocardiograph 48 HeartMate II pump 48 percutaneous aortic 48 pulmonary artery catheterization 48 implantable gastric stimulator 47 intramedullary nail 47 pacemaker implantation 47 laparoscopic colectomy 47 stents catheters 47 unblock arteries 47 AF ablation 47 endoprosthesis 47 Left Ventricular Assist 47 extracorporeal membrane oxygenation 47 stent inserted 47 interventional therapies 47 implanting defibrillator 47 ablate cardiac tissue 47 implantable cardioverter defibrillators ICDs 47 clogged coronary artery 47 DePuy Spine 47 suture anchor 47 sends electrical impulses 47 Eon Mini neurostimulator 47 Minimally invasive procedures 47 minimally invasive outpatient 47 bone stimulator 47 implantable cardiac 47 pacemakers defibrillators 47 scleral buckling 47 wire mesh tubes 47 blot clot 47 carotid artery blockage 47 controlled analgesia 47 Merci Retriever 47 Prestige Cervical Disc 47 implantable cardioverter defibrillators ICD 47 minimally invasive endoscopic 47 pacemakers stents 47 coronary stenting 47 Acclarent 47 NeuroFlo 47 SilverHawk 47 PressureWire 47 STARFlex ® 47 Endius 47 cobalt chromium stents 47 intraocular lens 47 wearable defibrillator 47 da Vinci surgical 47 noncoronary 47 spinal cord stimulation 47 percutaneous catheter 47 spinal implant 47 diathermy 47 tracheostomy tube 47 unblock clogged arteries 47 chiropractic adjustment 47 electrosurgical devices 47 CardioPass TM 47 glucose sensor 47 idiopathic dilated cardiomyopathy 47 Ventricular Assist Device VAD 47 lumbar spinal fusion 47 Amplatzer 47 cervical fusion 47 cardiac catheter 47 cardiac 47 Charite disc 47 clot dissolving 47 mitral valve repair 47 prosthetic valve 47 Medtronic 47 undergone quadruple bypass 47 coated stents 47 TruFUSE 47 AbioCor artificial heart 47 Dynesys 47 hip implant 47 Intuitive Surgical da Vinci 47 Polyzene R F 47 pulse generator 47 balloon catheter 47 biologic grafts 47 Medtronic Infuse 47 spinal fixation 47 VeinViewer 47 femoral popliteal 47 coronary artery stents 47 pacemaker implanted 47 cannulae 47 Terumo CVS 47 carotid stents 47 retractor 47 iliac artery 47 balloon kyphoplasty procedure 47 enhanced external counterpulsation 47 MicroMed Technology 47 pulmonary artery pressures 47 CorCap 47 stents wire mesh 47 diagnostic cardiac catheterization 47 hemodynamically unstable 46 bladeless LASIK 46 NESS H# 46 RF Kyphoplasty 46 erratic heartbeats 46 laparoscopic procedure 46 ambulatory infusion 46 stimulation TENS 46 interbody 46 vascular interventional 46 Tao Levy 46 Novalung 46 neuro stimulation 46 reconstructive implants 46 cannula 46 Durom cup 46 electrosurgical generator 46 diseased aortic heart 46 surgical ablation 46 ACIST 46 keratoprosthesis 46 stents inserted 46 magnetic coil 46 intravascular ultrasound 46 defibrillation leads 46 silicone gel breast 46 stimulator implanted 46 bioabsorbable polymer 46 maker Kyphon 46 cardio defibrillator 46 MicroMed Cardiovascular Inc. 46 Ventricular Assist Device 46 cobalt chromium stent 46 clot busters 46 minimally invasive technique 46 OPCAB 46 Endometrial ablation 46 HeartMate II LVAS 46 BIRMINGHAM HIP Resurfacing 46 bypass grafting 46 injectable gel 46 atrial fibrillation ablation 46 stent grafts 46 NAVISTAR R 46 bioartificial 46 Michael Onuscheck 46 catheter ablations 46 implantable defibrillators 46 fixator 46 Gary Onufer 46 da Vinci robot 46 cautery 46 percutaneous aortic valve 46 PFO closure 46 Medtronic Inc MDT.N 46 InFuse 46 Digoxin 46 bioresorbable polymers 46 clogged carotid arteries 46 interventional catheterization 46 interbody fusion 46 Enlite Sensor 46 sealant dispensing 46 CardioPass 46 pulmonary artery banding 46 intravascular 46 irregular quivering 46 mitral repair 46 Trevo System 46 Durolane 46 catheters inserted 46 Revo MRI 46 metallic stent 46 MDT Quote Chart 46 Sprint Fidelis Leads 46 Holter monitor 46 artificial urinary sphincter 46 tissue ablation 46 pneumatic compression 46 NESS L# 46 Xoft 46 EnSite Velocity System 46 catheters 46 pulmonic 46 artery bypass surgery 46 angioplasty catheters 46 bioabsorbable stent 46 Archus 46 gastric imbrication 46 biliary stents 46 implantable cardioverter defibrillators 46 intravenous needle 46 ablations 46 AbioCor 46 cath lab 46 diagnostic catheterization 46 intraoperatively 46 orthopedic implant 46 Bair Hugger 46 electrocardiogram EKG 46 Fred Colen 46 HVAD 46 ATS CryoMaze TM 46 aneurysm sac 46 EKG electrocardiogram 46 cancerous colon 46 HeartAssist 5 46 intravenous catheters 46 Biotronik 46 trabeculectomy 46 fluoroscope 46 Xcorporeal 46 hip arthroscopy 46 microcatheter 46 surgical aortic valve 46 Angio Seal 46 EnRhythm 46 lymph edema 46 drug coated stent 46 cardiopulmonary bypass CPB 46 laparoscopic surgical 46 CPAP machine 46 lumbar fusion 46 percutaneous coronary 46 Embrella 46 SpideRX 46 coronary revascularization procedures 46 endomechanical 46 biopsy needle 46 InnerPulse 46 Dr. Raymond Onders 46 devicemaker 46 carotid artery stents 46 Zemplar 46 Class IIIb 46 coronary artery bypass grafts 46 catheter threaded 46 electrophysiology procedures 46 Medtronic Spinal 46 bypass graft 46 Brinavess 45 NYHA classification 45 angioplasty stent 45 spinal cord stimulators 45 Brewers Uecker 45 DeBakey ventricular assist 45 kidney pancreas transplant 45 Calmare ® 45 related bloodstream infections 45 Bioness 45 heart valve 45 Novacor R 45 Mechanical Circulatory Support 45 vein grafts 45 Gen. Mardjo Subiandono 45 Medtronics 45 neural prostheses 45 endovascular procedures 45 Penumbra System 45 endoluminal 45 Myotech CSS 45 artery embolization 45 cardiac resynchronization therapy 45 laparascopic surgery 45 replacement TAVR 45 endovascular therapy 45 TURBO Booster 45 LapBand 45 percutaneous intervention 45 vena cava filters 45 metal stent 45 balloon expandable 45 EECP ® therapy 45 Enable valve 45 cardiac catheterization procedure 45 minimally invasive laparoscopic surgery 45 Intelect Medical 45 catheterization 45 DePuy ASR hip 45 ProDisc 45 pulmonary artery catheter 45 Boston Scientifics 45 carotid sinus 45 treating cardiac arrhythmias 45 inserted subcutaneously 45 hyperbaric therapy 45 antibiotic impregnated 45 NAVISTAR ® THERMOCOOL ® 45 myoelectric 45 angioplasty procedures 45 Xience drug eluting 45 Letterman quintuple bypass 45 orthopedics gastroenterology 45 Laparoscopic surgery 45 balloon angioplasties 45 extracorporeal circulation 45 Spinal fusion 45 lymphedema swelling 45 minimally invasive therapies 45 cardiac ablation 45 pacemaker ICD 45 transcatheter aortic valve 45 rhythm abnormalities 45 thrombus aspiration 45 implant pacemaker 45 balloon sinuplasty 45 hemodialysis catheters 45 autologous cells 45 repair aneurysms 45 surgical implantation 45 Valiant Thoracic Stent Graft 45 catheterization procedure 45 orthopedic implants 45 defibrillator implants 45 intraoperative MRI 45 topical anesthesia 45 Balloon sinuplasty 45 electrosurgical 45 silicone implant 45 bypass grafts 45 inserts catheter 45 electrophysiologists 45 ventilator weaning 45 urinary catheter 45 phakic intraocular lens 45 Rheos System 45 PICSO ® 45 brain stimulator 45 stent implanted 45 Nuvasive 45 cardiac telemetry 45 performed tracheotomy 45 Conor Medsystems Inc. 45 transvaginal mesh 45 drug coated stents 45 percutaneous mitral valve 45 artery bypass 45 treat menorrhagia 45 fluoroscopic guidance 45 CircuLite 45 cobalt chromium 45 disc arthroplasty 45 pyrolytic carbon 45 TriReme 45 vProtect TM Luminal Shield 45 replace diseased aortic 45 OtisMed 45 aortic stent grafts 45 femoral stem 45 epidural stimulation 45 hemodynamic monitoring 45 transcutaneous electrical nerve 45 Neuros Medical 45 benign lesion 45 endovascular graft 45 Perclose 45 Balloon kyphoplasty 45 catheters guidewires 45 fluidjet 45 regenerating bone 45 tissue plasminogen activator tPA 45 Spinal Cord Stimulation 45 LVAS 45 transesophageal echocardiography 45 IVC filter 45 interventional pulmonology 45 vascular anatomy 45 pump IABP 45 microcatheters 45 bone grafts 45 inflatable penile prosthesis 45 defibrillators implanted 45 vagal nerve stimulator 45 Sanofi Aventis Lovenox 45 Neuromodulation 45 DeBakey VAD 45 FlowMedica 45 microsurgical 45 abdominal CT scans 45 biventricular pacing 45 CardioWest temporary 45 atrial ablation 45 stent coating 45 cardiac resuscitation 45 cerebral aneurysm 45 med tech 45 electrosurgical generators 45 USGI 45 Management CRDM 45 embolic coils 45 aortic tissue 45 vascular grafts 45 neurovascular 45 Evicel 45 Spacelabs 45 thrombectomy 45 Advanced Circulatory Systems 45 incisionless surgery 45 arterial blockage 45 reconstructive implant 45 ventricular bypass 45 saphenous veins 45 vena cava filter 45 TAXUS stents 45 intraocular lens implantation 45 Stabilimax 45 3T MRI 45 disorders infectious diseases 45 Balloon angioplasty 45 heart zapping defibrillator 45 arteriovenous fistula 45 intubation tube 45 laparoscopic instruments 45 rhythm abnormality 45 coronary blockages 45 nasogastric tubes 45 Tissue Matrix 45 decompressive surgery 45 deCODE MI TM 45 Palmaz stent 45 Ectopia Cordis 45 drug eluting stent DES 45 StomaphyX 45 treat brain aneurysms 45 spinal decompression 45 penile injections 45 intraocular lens implant 45 EZ IO 45 Synthes Spine 45 ventouse 45 coronary intervention 45 transseptal 45 inserting catheter 45 FloTrac 45 vaginal sling 45 invasive biopsy 45 stereotactic radiosurgery 45 ViKY 45 drug eluting stents 45 CT angiogram 45 anticoagulant heparin 45 uninterrupted chest compressions 45 Depuy Orthopaedics 45 CentriMag 45 electrophysiology EP 45 endografts 45 EKG readings 45 epidural spinal 45 cystoscope 45 catheterization labs 45 Morells embryo 45 craniomaxillofacial fixation 45 stent grafting 45 cervical disk 45 Minimally invasive surgery 45 catheterization laboratory 45 laser assisted lipolysis 44 unicompartmental knee replacement 44 acute decompensation 44 orthopedics neurosurgery 44 Abbott BVS 44 Therapeutic hypothermia 44 Synovis 44 IntuiTrak 44 endoscopic sinus surgery 44 external fixators 44 TandemHeart 44 rhizotomy 44 distal anastomosis 44 hemispherectomy 44 Physio Control wholly owned 44 pulmonary artery catheters 44 variant angina 44 Apnex 44 implantable centrifugal rotary 44 Européenne Mark 44 electrocautery 44 regulate heartbeats 44 Lifepak 44 intra arterial chemotherapy 44 Endeavor stent 44 SmartVest ® Airway Clearance 44 Stryker SYK 44 orthopedics 44 mechanical thrombectomy 44 bioabsorbable stents 44 implantable vascular 44 commercializes implantable 44 endovascular stent graft 44 balloon catheters 44 pulse oximeter 44 Arteriovenous 44 CompuDent R 44 Medtronic spinal 44 endovascular aneurysm repair 44 cardioversion 44 extracorporeal membrane oxygenation ECMO 44 Interpore Cross 44 spinal fusion surgery 44 lower chambers ventricles 44 oximeters 44 valvuloplasty 44 electrosurgery 44 superDimension 44 angioplasty balloons 44 angioplasty balloon 44 preserved ejection fraction 44 Stereotaxis 44 LifeCare PCA 44 transapical 44 diseased organ 44 Sapien valve 44 catheter inserted 44 LifePak 44 lithotripter 44 Cordis Cardiology 44 Peritoneal dialysis 44 replacement PAVR 44 implantable artificial 44 nitinol 44 aortic valve stenosis 44 catheter insertion 44 FFR measurement 44 implanted defibrillators 44 keyhole incisions 44 anticoagulant medications 44 transdermal patches 44 pulsatile 44 Perfexion 44 & Johnson JNJ.N 44 neuromodulators 44 Thermage procedure 44 mitral valves 44 i LIMB Hand 44 Ventricular Assist Devices 44 leaking aortic valve 44 deformity correction 44 gynecologic procedures 44 multislice CT 44 TAXUS Stents 44 interventional neuroradiologists 44 keratoplasty 44 angiography CTA 44 cardiothoracic surgeons 44 pump CABG 44 Intuitive da Vinci 44 vaginal incision 44 angiography angioplasty 44 fuse vertebrae 44 MAQUET Cardiovascular 44 Electrosurgery 44 craniomaxillofacial 44 Micrus Endovascular 44 prescribed blood thinners 44 electrocardiogram 44 bioprosthetic 44 StarClose 44 electrophysiology 44 cardiac surgery 44 EECP 44 Ablation Frontiers 44 Surinate ® 44 Afib 44 AutoPulse 44 Celution System 44 Custom NX 44 implantable lens 44 coated Cypher stent 44 Soltoski 44 pedicle screws 44 catheter ablation procedures 44 Occluder 44 cardiac catheterization laboratory 44 hemofiltration 44 endotracheal tube 44 robotically assisted 44 SynchroMed 44 drug Toprol XL 44 LipiScan IVUS 44 Interpore 44 Reeve diaphragm 44 lumbar spine fusion 44 GORE TAG Device 44 aortic valves 44 Regranex 44 implanted cardioverter defibrillator 44 Inc. Nasdaq NLTX 44 coronary bypass surgery 44 CardioWest Total 44 TELIGEN 44 pneumatically driven 44 Cardima Surgical Ablation System 44 coronary angiogram 44 Birmingham Hip Resurfacing 44 catheterisation laboratory 44 defibrillators CRT Ds 44 diaphragm pacing 44 spinal epidural 44 Taxus Liberte stent 44 tricuspid valve 44 idiopathic cardiomyopathy 44 uncemented 44 endovascular neurosurgery 44 surgical decompression 44 rt PA 44 Possis 44 radiofrequency RF energy 44 noncancerous tumor 44 Rob Michiels 44 sternal closure 44 Cardiac catheterization 44 gastrostomy tube 44 AngioJet System 44 Metricath 44 ReValving System 44 resorbable biomaterials 44 commercializing interventional 44 Ascendra 44 excess cerebrospinal fluid 44 engineered bladders 44 controlled analgesia PCA 44 Intravascular Ultrasound IVUS 44 Keltjens 44 generator detaching 44 annuloplasty 44 occluder 44 implantable cardiac defibrillator ICD 44 TMJ Implants 44 Epi LASIK 44 Retisert 44 monophasic 44 surgical stapling 44 Tracheostomy 44 MicroAire 44 bion 44 gastrointestinal endoscopic 44 colon perforation 44 anastomotic 44 RecoveryRx TM 44 titanium rods 44 tachyarrhythmia 44 x ray angiography 44 ASR hip 44 Guidant pacemaker 44 obstructed bile duct 44 osteobiologic 44 neurointerventional 44 minimally invasive surgeries 44 thoracic aortic 44 catheterization procedures 44 Acorn Cardiovascular 44 thoracoscope 44 ICDs 44 Radionics 44 ventral hernia 44 implantable 44 cranioplasty 44 coronary artery blockages 44 Evalve maker 44 urologic gynecologic cardiothoracic 44 Pegasus Biologics 44 vacuum suction 44 diseased aortic valve 44 Coblation 44 prefilled insulin pen 44 stenting procedure 44 bi ventricular 44 ablation procedure 44 shunt implanted 44 Abbott bioabsorbable everolimus eluting 44 ureteral stents 44 intra arterial 44 multidetector CT 44 Inhaled nitric oxide 44 interventional radiology procedures 44 insulin pump 44 RF ablation 44 arthroscopic procedures 44 endoscopic surgical 44 electrode implanted 44 Invibio 44 orthopedic 44 Neuroform EZ Stent System 44 nonsurgical treatments 44 Lixivaptan 44 abnormal heartbeats 44 intra ocular lens 44 percutaneous interventions 44 electrical stimulation 44 SpineJet XL 44 Orthopedic implant 44 Swan Ganz catheter 44 Facet Solutions 44 laparoscopic techniques 43 tenecteplase 43 EndoFLIP 43 Sprint Fidelis leads 43 corneal flap 43 VBLOC 43 calcified lesions 43 fluoroscopic 43 peripheral vascular 43 biventricular 43 nasal prongs 43 defective aortic valve 43 EBUS 43 occluders 43 R Paclitaxel Eluting 43 intravenous medications 43 Potiga 43 interventional cardiology 43 canaloplasty 43 wire mesh stent 43 refractory angina 43 motorized prosthetic 43 Ventak Prizm 43 Angioplasty involves 43 blood thinner 43 laparoscopes 43 implanted 43 craniectomy 43 defib 43 faulty aortic valve 43 Biosense Webster Inc. 43 Hip replacements 43 microkeratome 43 PlasmaBlade 43 severe hypotension 43 microsurgical techniques 43 capsule endoscope 43 Taxus stents 43 Dr. Cadeddu 43 antiplatelet medication 43 catheterization lab 43 Artida 43 potassium chloride stops 43 Orqis 43 ClosureFAST catheter 43 extubated 43 atrial tissue 43 Cordis Corp. 43 radioiodine therapy 43 intra aortic 43 dobutamine 43 MedSurg equipment 43 peripheral vasculature 43 electrode arrays 43 failure NYHA 43 stents defibrillators pacemakers 43 intra operatively 43 needleless 43 external counterpulsation 43 catheter ablation 43 arterial grafts 43 neuromodulation 43 undergo cardiac catheterization 43 revascularization procedure 43 Perceval S 43 ® VAD Ventricular 43 Abbott Spine 43 vitamin D analogs 43 MERCI Retriever 43 diseased valve 43 peripherally inserted central 43 tension pneumothorax 43 balloon valvuloplasty 43 radiofrequency RF 43 noninvasive ultrasound 43 ASR XL 43 hex wrench 43 thoracoscopy