| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Patch repair of adrenal artery | Using | False | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Repair of blood vessel with patch graft | Using | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Gas endarterectomy with patch graft | Using | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of artery with synthetic, polyethylene terephthalate or polytetrafluoroethylene patch graft | Using | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of blood vessel with synthetic, polyethylene terephthalate or polytetrafluoroethylene patch graft | Using | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of artery with tissue patch graft of vein, autogenous or homograft | Using | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of vein with patch graft of tissue | Using | False | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Endarterectomy of aorta with patch graft | Using | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of blood vessel with tissue patch graft of vein, autogenous or homograft | Using | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of artery with patch graft | Using | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Profundoplasty of femoral artery and patch repair of deep femoral artery | Using | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Profundoplasty of popliteal artery and patch repair of popliteal artery | Using | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Prosthetic patch to artery | Using | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch enlargement of coronary artery | Using | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of coronary artery | Using | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Closure of defect of interventricular septum using pericardial patch | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Repair of aorta with subclavian flap | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 3 | 
| Repair of aorta with subclavian flap | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of aorta | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Repair of recurrent inguinal hernia using synthetic patch | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Tracheal reconstruction with patch | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch enlargement of aortic valve annulus | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Aortic valve replacement and patch aortoplasty | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of left ventricular outflow tract transannular patch | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch enlargement of right ventricular outflow tract | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of arterial graft | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Closure of perforated duodenum using omental patch | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Division of common wall between posterior left atrium and coronary sinus with roofing of resultant defect and patch graft | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Patch repair of carotid artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of brachial artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of celiac artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of superior mesenteric artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Omental patch repair of perforated pyloric ulcer | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Vein patch repair of artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of congenital diaphragmatic hernia using patch | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of systemic venous pathway | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of inferior mesenteric artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patching of mitral valve | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patching of atrioventricular valve | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patching of coronary sinus atrial septal defect | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patching of sinus of Valsalva fistula | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of traumatic rupture of diaphragm | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Closure of atrial septal defect using patch | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Closure of patent foramen ovale using patch | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patching of defect of atrioventricular valve leaflet | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patching of defect of mitral leaflet | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patching of defect of tricuspid valve leaflet | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patching of tricuspid valve | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of pulmonary artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patching of left ventricle | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of popliteal artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of vertebral artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of subclavian artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of femoral artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of iliac artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of common iliac artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of axillary artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of adrenal artery | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of adrenal artery | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Repair of blood vessel with patch graft | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of inguinal hernia with prosthesis or graft, direct | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Rastelli operation in repair of transposition of great vessels | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Rastelli operation in repair of transposition of great vessels | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 3 | 
| Rastelli operation in repair of transposition of great vessels | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 4 | 
| Gas endarterectomy with patch graft | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Repair of atrial septal defect with tissue graft | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of artery with synthetic, polyethylene terephthalate or polytetrafluoroethylene patch graft | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of artery with synthetic, polyethylene terephthalate or polytetrafluoroethylene patch graft | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Repair of blood vessel with synthetic, polyethylene terephthalate or polytetrafluoroethylene patch graft | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Closure of ventricular septal defect with infundibular resection and patch | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Repair of artery with tissue patch graft of vein, autogenous or homograft | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of foramen ovale with tissue graft | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch repair of arteriovenous fistula | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Tympanic membrane repair with perforation, closure with patch | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of ostium primum defect with tissue graft | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of vein with patch graft of tissue | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of ostium secundum defect with tissue graft | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagogastric fundoplasty with fundic patch | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Endarterectomy of aorta with patch graft | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Closure of ventricular septal defect with patch | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of supracristal defect with tissue graft | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Closure of ventricular septal defect with pulmonary valvotomy and patch | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Repair of blood vessel with tissue patch graft of vein, autogenous or homograft | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of artery with patch graft | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of inguinal hernia with prosthesis or graft, indirect | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction of trachea using graft | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Closure of defect of interatrial septum using prosthetic patch | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Closure of defect of interatrial septum using pericardial patch | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Endarterectomy of vertebral artery and patch repair of vertebral artery | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Profundoplasty of femoral artery and patch repair of deep femoral artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Profundoplasty of popliteal artery and patch repair of popliteal artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Closure of defect of interventricular septum using tissue graft NEC | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Patch enlargement of coronary artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Patch repair of coronary artery | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 3 | 
| Patch angioplasty of renal artery | Using device | True | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Endarterectomy of femoral artery and patch repair of femoral artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Endarterectomy of aorta and patch repair of aorta | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Endarterectomy of popliteal artery and patch repair of popliteal artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Endarterectomy of carotid artery and patch repair of carotid artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 1 | 
| Endarterectomy of axillary artery and patch repair of axillary artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 2 | 
| Endarterectomy of brachial artery and patch repair of brachial artery | Using device | False | Surgical patch | Inferred relationship | Existential restriction modifier | 2 |