Related by context. All words. (Click for frequent words.) 67 Possis 67 carotid stent 66 ablation procedures 66 PressureWire 66 bioabsorbable stent 66 mechanical thrombectomy 66 cardiac resynchronisation therapy 65 drug eluting stent DES 65 NeuroFlo 65 AngioJet System 65 plaque excision 65 Embolic Protection System 65 paclitaxel eluting 65 drug eluting coronary stents 65 thrombectomy 64 StarClose 64 STARFlex ® 64 resynchronization therapy 64 drug eluting coronary stent 64 carotid stents 64 clot retrieval 64 hypervascular tumors 64 thrombus removal 64 TAXUS Liberte Stent 64 NAVISTAR R 64 intravascular ultrasound 64 percutaneous aortic valve 64 CRT Ds 64 refractory angina 63 HeartNet 63 MitraClip 63 coronary stenting 63 BioSTAR ® 63 stent DES 63 TriActiv 63 Enteryx 63 CYPHER R Sirolimus eluting 63 TURBO Booster 63 biliary stent 63 XIENCE 63 fully bioabsorbable 63 balloon kyphoplasty procedure 63 bioabsorbable polymer 63 SpideRX 63 Endoscopic Ablation System 63 Taxus Liberte 63 functional mitral regurgitation 63 spinal cord stimulation 63 embolic protection 63 stent grafts 63 Freezor 63 SilverHawk Plaque Excision System 63 transcatheter 63 percutaneous catheter 62 Vernakalant 62 antithrombotic therapies 62 NovaSure 62 atherectomy 62 disposable catheter 62 endovascular stent graft 62 thrombus aspiration 62 carotid artery stenting 62 endovascular therapy 62 MitraClip device 62 Merci Retrieval System 62 cardiac resynchronization 62 peripheral stent 62 AneuRx 62 Evicel 62 GORE TAG Device 62 intravascular stent 62 aortic stent grafts 62 microcatheter 62 Possis Medical 62 COR Analyzer 62 ZoMaxx 62 Tissue Matrix 62 Cotavance 62 NEVO 62 CYPHER stent 61 Turbo Tandem 61 TAXUS Liberte 61 interventional therapies 61 AngioJet R 61 symptomatic paroxysmal AF 61 StatLock 61 medicated stents 61 Xience V 61 TAXUS TM 61 Emboshield 61 everolimus eluting stent 61 TAXUS Liberté 61 transapical approach 61 ablation therapy 61 AtriClip 61 PFO closure 61 carotid stenting procedures 61 lumbar spinal fusion 61 transcatheter closure 61 Brinavess 61 transcatheter valves 61 sirolimus eluting 61 ClosureFAST 61 Amplatzer 61 HeartMate XVE 61 Afib 61 Edwards SAPIEN valve 61 ThromCat 61 Alair System 61 coronary intervention 61 Abbokinase 61 Taxus Element 61 transesophageal echocardiography 61 biliary stents 61 unclog arteries 61 endoluminal 61 cardioverter defibrillator 61 Tambocor 61 QuadraSphere 61 Vascular Wrap 61 percutaneous valve 61 ClosureFAST catheter 61 Heartmate 61 angiographic outcomes 61 DEEP AF 61 treat brain aneurysms 61 Catheter ablation 61 Novacor LVAS 61 paclitaxel eluting stent 61 HVAD 60 SilverHawk 60 nonfusion 60 Taxus stent 60 CYPHER ® 60 Endeavor stent 60 Coronary Stent 60 carotid stenting 60 EverFlex 60 renal denervation 60 PROMUS Element 60 Novacor R 60 diagnostic modality 60 NEVO ™ 60 XIENCE V stent 60 Merci Retriever 60 vena cava filter 60 rhBMP 2 60 percutaneously 60 antiarrhythmic drug 60 Resolute stent 60 MYO VAD 60 minimally invasive therapies 60 MRgFUS 60 PICSO ® 60 transcatheter valve 60 Pipeline Embolization Device 60 vertebral compression fractures 60 Taxus Liberte stent 60 FinESS 60 Dynesys 60 antiplatelet medication 60 carotid artery stent 60 tissue ablation 60 bifurcation stent 60 drug eluting stent 60 transmyocardial revascularization TMR 60 implantable pacemaker 60 metallic stent 60 paclitaxel eluting coronary stent 60 Fully Covered Stent 60 percutaneous coronary 60 interventional vascular 60 TAXUS stent 60 invasive catheter 60 renal artery stenting 60 Plicator 60 Sirolimus eluting Coronary Stent 60 Resolute drug eluting 60 STARFlex R 59 microcatheters 59 Xcelerant Delivery System 59 SurgiFrost 59 Trevo System 59 coronary stents 59 embolic protection device 59 cerebral oximetry 59 Novacor 59 defibrillator CRT D 59 Rheos System 59 Medtronic Endeavor 59 TriActiv R 59 MyoSure 59 PTA balloon catheter 59 BioSTAR R 59 bronchoscopic 59 MiniArc 59 ximelagatran 59 Thrombectomy System 59 bioabsorbable 59 Facet Solutions 59 cediranib 59 percutaneous interventions 59 SpyGlass System 59 Integrilin 59 endovenous laser 59 NexStent 59 intra aortic balloon 59 Embolic Protection 59 capsule endoscope 59 x ray angiography 59 WallFlex Biliary RX 59 coronary artery stenting 59 PediGuard 59 intravascular 59 endovascular aortic repair 59 interventional radiology procedures 59 Stent Graft 59 eluding stents 59 eluting coronary stent 59 AtriClip system 59 endografts 59 Metricath 59 intravascular imaging 59 NEXTERONE 59 Alair Bronchial Thermoplasty System 59 QTinno TM 59 ACIST 59 defibrillation leads 59 Carotid endarterectomy 59 LVAS 59 InFuse 59 AngioJet thrombectomy 59 Third Eye Retroscope 59 drug zotarolimus 59 StomaphyX 59 Myoview 59 MGuard ™ 59 EndoFLIP 59 embolic 59 Sapien valve 59 endovascular procedures 59 treat menorrhagia 59 embolic protection devices 59 pain palliation 59 cardiac resynchronization therapy 59 TAXUS stents 59 rhThrombin 59 endovascular aneurysm repair EVAR 59 embolic coils 59 distal anastomosis 59 electrophysiology procedures 59 NESS L# 59 FFR measurement 59 vaginal sling 59 platinum chromium alloy 59 endovascular 59 Coronary stent 59 CustomVue 59 implantable cardioverter defibrillators ICD 59 thoracoscopic lobectomy 59 Européenne Mark 59 Retisert 59 Stretta 59 Sapien XT 59 PROMUS 59 TMS Therapy 59 Endeavor Resolute 59 Balloon Sinuplasty 59 drug coated Taxus 59 patients undergoing percutaneous 59 coil embolization 59 preventing restenosis 59 medicated stent 59 Aggrastat 59 surgical aortic valve 59 DynaCT 58 counterpulsation 58 bi ventricular pacing 58 incisionless surgery 58 Coherex FlatStent 58 VenaCure 58 Proxis 58 Express2 58 pulmonary artery catheterization 58 saphenous vein graft 58 transapical 58 CTO recanalization 58 ablation catheter 58 Electronic Brachytherapy 58 vascular brachytherapy 58 ColonRing 58 Ozurdex 58 thoracic aortic 58 synthetic grafts 58 CryoMaze 58 stent 58 catheter 58 transfemoral 58 antithrombotic therapy 58 urethral bulking agent 58 Impella 58 Nitinol Stent 58 R Paclitaxel Eluting 58 Taxus Liberté 58 coronary artery stents 58 anastomotic devices 58 Xience 58 AngioSculpt Scoring Balloon Catheter 58 OPCAB 58 cobalt chromium stent 58 enhanced external counterpulsation 58 Tryton stent 58 AF ablation 58 REOPRO 58 endovascular aneurysm repair 58 Ventavis 58 TAXUS Liberte stent 58 artery embolization 58 transradial 58 HepaMate 58 Prolieve 58 EBUS 58 Medtronic stent 58 replacement PAVR 58 iliac artery disease 58 Balloon sinuplasty 58 levosimendan 58 Cardiac Resynchronization Therapy 58 CorCap 58 vernakalant hydrochloride 58 TELIGEN 58 cardiac stent 58 neurostimulation devices 58 CorPath 58 flexible endoscope 58 STARFlex 58 kyphoplasty 58 biventricular pacing 58 zotarolimus 58 cerebral aneurysms 58 ablative therapy 58 conventional angiography 58 catheter ablation procedures 58 stent grafting 58 ReValving 58 TAXUS Express2 58 AutoloGel System 58 Dural Sealant 58 thrombolytic agents 58 CentriMag 58 angiography CTA 58 minimally invasive 58 Percutaneous Transluminal Coronary Angioplasty 58 abdominal aortic aneurysms AAA 58 balloon catheter 58 transoral 58 transcatheter aortic valve 58 Custom NX 58 anticlotting drugs 58 Peri Strips 58 TAXUS Stent 58 Gliadel Wafer 58 atrial fibrillation AFib 58 Promus stent 58 atrial fibrillation ablation 58 medically refractory 58 interventionalists 58 SANVAR 58 CLiRpath 58 IVC filters 58 ReoPro 58 oral anticoagulant 58 MiStent DES 58 CAPHOSOL 58 simvastatin ezetimibe 58 Contour Threads 58 invasive angiography 58 bifurcation lesions 58 stereotactic radiotherapy 58 concurrent chemoradiation 58 percutaneous procedures 58 laser assisted lipolysis 58 EnCor 58 Coblation 58 interventional 58 AngioSculpt 58 MGuard TM 58 carotid endarterectomy CEA 58 myocardial reperfusion 57 Angio Seal 57 Menaflex device 57 NATRECOR ® 57 coronary stent 57 PROLARIS 57 valve implantation 57 embolotherapy 57 zotarolimus eluting stent 57 balloon kyphoplasty 57 neuro stimulation 57 E2F Decoy 57 Dabigatran 57 carotid artery stenting CAS 57 antiarrhythmic 57 IntuiTrak 57 aerosolized KL4 surfactant 57 OMS# 57 defibrillator implant 57 antiplatelet drugs 57 MedTone 57 antithrombotic agents 57 Cooled ThermoTherapy 57 Metricath Gemini 57 Stabilimax NZ 57 Penumbra System 57 vascular interventional 57 lumbar fusion 57 intraoperative imaging 57 InterStim Therapy 57 implantable cardioverter defibrillator ICD 57 Eluting Coronary Stent System 57 coronary artery bypass grafts 57 Powerlink XL 57 Xtent 57 TM Drug Eluting 57 Revo MRI 57 transesophageal 57 endovascular specialists 57 transthoracic 57 Carticel 57 dermaPACE TM 57 catheter securement 57 Epi LASIK 57 Intravascular Ultrasound IVUS 57 drug eluting stents 57 KYPHON Balloon Kyphoplasty 57 CoreValve System 57 LapBand 57 REG1 57 Varisolve 57 oxybutynin gel 57 Atom Stent 57 Export Aspiration Catheter 57 AccessClosure 57 EP #R 57 CardioFit 57 irrigated catheter 57 endovascular coiling 57 vena cava filters 57 Vitrea 57 Factor Xa inhibitor 57 interbody fusion 57 PlasmaBlade 57 MDCT angiography 57 microcoils 57 Abbott XIENCE V 57 anticoagulant warfarin 57 clevidipine 57 Palmaz stent 57 venous reflux 57 superDimension 57 gauge vitrectomy 57 ExAblate R 57 Balloon kyphoplasty 57 MedicalCV 57 LeMaitre Vascular 57 hemodialysis catheters 57 QTinno ™ 57 Angio Seal Evolution 57 GORE EXCLUDER AAA Endoprosthesis 57 atrial ablation 57 cardiac ablation procedures 57 Eraxis 57 implantable cardiac devices 57 injectable gel 57 stent coating 57 reslizumab 57 Zilver PTX stent 57 AutoloGel tm 57 anti arrhythmic 57 coronary stent merged 57 PD2i 57 balloon catheters 57 Smartlipo MPX 57 related bloodstream infections 57 microbubble 57 Corus CAD 57 BioMatrix 57 lithotripter 57 Kynapid 57 aortic stent graft 57 Embolic Protection Device 57 TAVR 57 conventional coronary angiography 57 aspirin clopidogrel 57 oral anticoagulants 57 anti arrhythmic drug 57 IVUS 57 atrial arrhythmias 57 minimally invasive spinal fusion 57 catheters guidewires 57 Occluder 57 Kyphoplasty 57 Contura MLB 57 eBx 57 XIENCE V Everolimus Eluting 57 EXPAREL 57 SPY Imaging 57 percutaneous mitral valve 57 external counterpulsation 57 ischemic cardiomyopathy 57 bypass graft surgery 57 ABThera 57 embolectomy 57 magnetic irrigated catheter 57 Anti Bacterial Envelope 57 gadobutrol 57 sacral nerve stimulation 57 IVC filter 57 QTc prolongation 57 sirolimus eluting stents 57 coronary drug eluting 57 Ascendra 57 radiofrequency RF ablation 57 Zemplar 57 superficial femoral 57 colon capsule endoscopy 57 TAXUS Express Stent 57 Spiriva Handihaler 57 dissolving blood clots 57 SPECT CT imaging 57 Xience Prime 57 Rapaflo 57 LipoSonix 57 percutaneous intervention 57 implantable defibrillator 57 RX ACCULINK 57 pulmonary artery catheter 57 peripheral vascular stent 57 novel oral anticoagulant 57 VBLOC TM 57 nesiritide 57 intravascular ultrasound IVUS 57 MYDICAR ® 56 cCTA 56 Nellix 56 MULTI LINK VISION 56 Heartmate II 56 Cypher drug eluting 56 NeoDisc 56 ATS CryoMaze TM 56 ablations 56 TactiCath 56 TUMT 56 LipiScan IVUS 56 OZURDEX ® 56 cryoablation 56 cervical fusion 56 EnSite Velocity System 56 implantable cardioverter defibrillators ICDs 56 EsophyX 56 OnControl 56 implantable cardiac 56 Soliris eculizumab 56 Polyzene R F 56 noninfectious uveitis 56 AngioScore 56 neurovascular 56 MitraClip R 56 PressureWire Certus 56 coated coronary stent 56 radiofrequency ablation RFA 56 treat enlarged prostates 56 implantable cardiac defibrillator ICD 56 neurostimulators 56 lumbar spinal stenosis LSS 56 Targretin 56 Biliary System 56 angioplasty balloons 56 CoAxia 56 bioresorbable 56 Neovasc Reducer 56 peripheral artery 56 Lumen Biomedical 56 eluting stent 56 cobalt chromium 56 Frova ® 56 bioabsorbable drug eluting 56 Vertebral Balloon 56 Neurostimulation 56 AFRS TM 56 spinal compression fractures 56 microdebrider 56 XIENCE PRIME 56 Fractional Flow Reserve 56 coronary revascularization procedures 56 PLAC test 56 GORE TAG Thoracic Endoprosthesis 56 catheter ablation 56 ICD shocks 56 antiarrhythmic drugs 56 CRH O'Regan System 56 endobronchial 56 coated stent 56 Element Stent 56 Cardiac resynchronization therapy 56 Mobi C 56 GreenLight laser 56 VAPRISOL 56 coronary vessels 56 Valiant Thoracic Stent Graft 56 MiniArc Precise 56 eSVS MESH 56 CardioPass TM 56 Sublative Rejuvenation 56 intraocular lens 56 paclitaxel eluting stents 56 transforaminal 56 chemoembolization 56 idraparinux 56 intra aortic 56 bioabsorbable stents 56 varicose vein treatment 56 Dynamic Stabilization 56 coronary blockages 56 Cardiac catheterization 56 OmniWave 56 Implantable cardioverter defibrillators 56 Tacrolimus 56 coronary interventions 56 flecainide 56 calcified lesions 56 Thoratec 56 multidetector CT 56 OnDose 56 artery stenting 56 catheters 56 mid urethral sling 56 PressureWire R 56 cobalt chromium stents 56 IVUS imaging 56 VESTAsync 56 TAXUS ® 56 vertebral compression fractures VCFs 56 balloon expandable stent 56 percutaneous 56 TheraSphere 56 Balloon Kyphoplasty 56 ProDisc L 56 ICD implants 56 Powerlink ® 56 MIST II 56 WavSTAT 56 cerivastatin 56 coronary vasculature 56 thoracic aortic aneurysms 56 endograft 56 esophageal stent 56 invasive candidiasis 56 EndoBarrier 56 capillary leakage 56 cardiac stents 56 trabeculectomy 56 OtisMed 56 Recothrom 56 microkeratome 56 dermaPACE 56 minimally invasive technique 56 eluting stents 56 paroxysmal AF 56 CytoSorb 56 Combo Stent 56 surgical sealant 56 VNUS Closure 56 Fibrin Pad 56 Acculink stent 56 somatostatin analogues 56 Balloon Catheter 56 GORE TAG 56 percutaneous vertebroplasty 56 vertebral augmentation 56 Sonolith i move 56 Xinlay 56 Surinate ® 56 systemic hypotension 56 Computed tomography 56 anti angiogenic agents 56 orthoPACE 56 vertebral compression fracture 56 MyoCell 56 stent implantation 56 ALGRX 56 clopidogrel Plavix 56 NovaSure endometrial ablation 56 oral anticoagulation 56 Stabilimax 56 PROMUS Element Stent 56 balloon dilation 56 thrombolytics 56 Zilver PTX 56 Aprotinin 56 CryoPlasty 56 fundoplication 56 cortical stimulation therapy 56 Chrysalin 56 Thrombectomy 56 terlipressin 56 Abciximab 56 Lexiscan 56 Catheter 56 tachyarrhythmia 56 punctal plug delivery 56 AMPLATZER ® 56 Powerlink System 56 percutaneous biopsy 56 gynecologic procedures 56 IBV Valve System 56 sutureless 56 CYPHER R 56 Spectranetics laser 56 surgical revascularization 56 electrophysiology EP 56 RF ablation 56 noninvasive outpatient 56 treat atrial flutter 56 Platinum Chromium 56 Angiomax 56 endothelial keratoplasty 56 endovascular therapies 56 drug elution 56 Vitagel 56 TriReme 56 Vacuum Assisted Closure 56 SmoothShapes XV 56 AlloDerm 56 Potiga 56 cangrelor 56 orthoPACE ™ 56 osteobiologic 56 SPY imaging 56 Endeavor drug eluting 56 Oridion 56 Mo.Ma 56 dialysis catheters 56 venous thromboembolism VTE prophylaxis 56 catheter ablations 56 thoracolumbar spine 56 ostial 56 NanoKnife 56 surgical ablation 56 Reconstructive Tissue Matrix 56 BladderChek 56 MTWA testing 56 recombinant tissue plasminogen 56 X ray angiography 56 colorectal cancer liver metastases 56 TAXUS Element Stent System 56 Cryoablation 56 Rilonacept 56 BrachySil ™ 56 hemostat 55 IN.PACT Falcon 55 biosurgical 55 osteoporotic compression fractures 55 vProtect TM Luminal Shield 55 CYPHER ® Sirolimus eluting 55 MyVax personalized immunotherapy 55 Vasomedical enhanced 55 Catheter System 55 Intuitive Surgical da Vinci 55 femoral neck fracture 55 Taxus stents 55 Endoprosthesis 55 balloon dilatation 55 Myotech CSS 55 cystoid macular edema 55 miniaturized implantable 55 TriActiv System 55 Combidex 55 restenosis reblockage 55 Transcatheter 55 endovascular repair 55 HeartMate 55 Kandzari 55 TLIF 55 Strattice 55 Liquid Cooled Fiber 55 Coronary stents 55 gefitinib Iressa 55 Drug eluting stent 55 breast brachytherapy 55 Pharos Vitesse 55 TNF alpha inhibitor 55 spiral computed tomography 55 noninvasive diagnostic 55 non valvular atrial 55 VertiFlex ® 55 NeutroSpec 55 INTEGRILIN 55 TAXUS Element Paclitaxel Eluting 55 transdermal estrogen 55 balloon sinuplasty 55 artery bypass 55 phakic IOL 55 MarginProbe 55 Hemospan 55 Perforomist ™ Inhalation Solution 55 Surgical excision 55 microwave ablation 55 Selenia Dimensions System 55 GORE VIABAHN Endoprosthesis 55 Nitrolingual 55 photodynamic 55 antiplatelet agent 55 computed tomographic 55 Lumbar Interbody Fusion 55 LigaSure 55 Paclitaxel eluting 55 LensAR Laser System 55 MYDICAR 55 VentrAssist 55 myocardial revascularization 55 TAVI procedure 55 ReValving System 55 radiofrequency RF 55 treating brain aneurysms 55 PFO migraine 55 AMPLATZER 55 stenoses 55 peripheral arterial 55 cerebral oximeter 55 Cortoss 55 endometrial ablation 55 InterStim 55 stenting procedures 55 iMRI 55 RenalGuard Therapy 55 Regenerative Tissue Matrix 55 directed thrombolysis 55 GuideLiner 55 ImClone Erbitux 55 repair TEVAR 55 Vascular Closure Device 55 Stent System 55 angioplasty catheters 55 cortical stimulation 55 mm Stent 55 GP IIb IIIa inhibitors 55 ELIQUIS 55 antireflux surgery 55 Medtronic Endeavor stent 55 RLY# 55 Ethyol 55 fibrin glue 55 minimally invasive endovascular 55 SYNERGY Stent 55 CYPHER Stent 55 photocoagulation 55 ureteral stents 55 Alternans 55 coronary atherectomy 55 Benign Prostatic Hyperplasia BPH 55 V3D Colon 55 bypass grafting 55 Atherectomy 55 Asclera 55 MAKOplasty 55 esophageal candidiasis 55 Ereska 55 PDE4 inhibitors 55 PICCs 55 Concentric Medical 55 antiplatelet therapies 55 Tekamlo 55 Spinal Cord Stimulation 55 CardioFocus 55 Express LD Iliac 55 carisbamate 55 Bone Graft 55 ICD therapy 55 fluoroscopic 55 LEUKINE 55 neurostimulator 55 EECP ® 55 distal embolization 55 VAC Therapy 55 Cypher Stent 55 transurethral 55 tasocitinib 55 OsteoGram 55 neurostimulation 55 congenital fibrinogen deficiency 55 Cellulaze 55 Carotid 55 regorafenib 55 Coronary Stent System 55 XLIF 55 hemostatic bandage 55 vascular stent 55 anti arrhythmic drugs 55 HoLEP 55 BeneFIX 55 cardioverter defibrillators 55 photodynamic therapy PDT 55 replacement TAVR 55 Resten NG 55 HALO# [002] 55 MEVACOR 55 interferon ribavirin 55 prostate TURP 55 TTF Therapy 55 HeartMate R 55 ABSORB 55 vascular anatomy 55 BrachySil TM 55 interventional procedures 55 lumbar disc replacement 55 degenerative spondylolisthesis 55 Neuronetics 55 spinal cord stimulator 55 CYPHER SELECT TM 55 DepoDur TM 55 beta blocker therapy 55 arteriotomy 55 anastomotic 55 eprotirome 55 TREDAPTIVE 55 ActiPatch Therapy 55 robotic catheter 55 intravesical therapy 55 GP IIb IIIa inhibitor 55 pulmonic 55 platelet gel 55 thrombolytic therapy 55 transesophageal echocardiography TEE 55 transfemoral approach 55 Rezular 55 intracoronary 55 treat irregular heartbeats 55 liquid embolic 55 Inhaled insulin 55 SmartVest ® Airway Clearance 55 Voltaren Gel 55 platelet aggregation inhibitor 55 endomechanical 55 Nexium esomeprazole 55 Carotid stenting 55 CompuFlo 55 Balloon Sinuplasty TM 55 NeuroStar TMS Therapy 55 Vascugel ® 55 transvenous 55 GEM OS2 55 FullTerm 55 tissue plasminogen activator tPA 55 Capsule endoscopy 55 ePTFE graft 55 femoral popliteal 55 implantable neurostimulation 55 MelaFind R 55 anidulafungin 55 incisionless 55 teriflunomide 55 laparoscopic instruments 55 ITB Therapy 55 Retavase 55 Promus Element 55 Biolimus A9 55 β blockers 55 Kepivance 55 Raymedica 55 Rivaroxaban 55 drug eluting balloon 55 BRIM2 55 CryoValve SG 55 INVOS 55 FloTrac 55 infrapopliteal 55 uterine fibroid embolization 55 Abiomed Impella 55 drug eluting balloons 55 Vaprisol 55 intravenous cyclophosphamide 55 metal stent 55 venography 55 ZOLINZA 55 excimer lasers 55 HeartMate II 55 phlebectomy 55 Warfarin Coumadin 55 lithotripters 55 AF ablation procedures 55 NAVISTAR ® THERMOCOOL ® 55 adjunctively 55 venous thromboembolisms 55 OsseoFix 55 Losartan 55 SoloPath 55 Ascendra transapical delivery 55 Pivotal Clinical Trial