| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Hickman catheter, device | Is a | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Flushing of central line | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Removal of central venous line | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Attention to central venous catheter | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Peripherally inserted central catheter | Is a | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Heparinizing central line | Indirect device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of subclavian feeding line | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Central venous cannula insertion | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via internal jugular vein | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via external jugular vein | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via subclavian vein | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via axillary vein | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via antecubital fossa vein | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via umbilical vein | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via femoral vein | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via long saphenous vein | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via jugular vein | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of catheter for central venous pressure monitoring | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Open insertion of central venous catheter | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Attention to central venous catheter | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Open insertion of Broviac central venous catheter | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Insertion of central venous catheter NEC | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Open insertion of Hickman central venous catheter | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Central venous cannula insertion via umbilical vein | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via umbilical vein | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Open insertion of central venous catheter | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Open insertion of central venous catheter | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Open insertion of Broviac central venous catheter | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Open insertion of Broviac central venous catheter | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Flushing of central line | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Open insertion of Hickman central venous catheter | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Removal of central venous line | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of tunneled central venous catheter using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Removal of central venous catheter using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Insertion of central venous catheter using Doppler ultrasound guidance | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Central venous cannula insertion | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via long saphenous vein | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via axillary vein | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via subclavian vein | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via internal jugular vein | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via femoral vein | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via antecubital fossa vein | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of catheter for central venous pressure monitoring | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via jugular vein | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of central venous catheter NEC | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Central venous cannula insertion via external jugular vein | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Fibrin sheath stripping from central venous catheter using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Fibrin sheath stripping from central venous catheter using fluoroscopic guidance with contrast | Indirect device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Repositioning of central venous catheter using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Removal of tunneled central venous catheter using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Guide wire recanalization of central venous catheter using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Replacement of tunneled central venous catheter using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Replacement of central venous catheter using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous thrombolysis of central venous catheter using fluoroscopic guidance with contrast | Indirect device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous thrombolysis of central venous catheter using fluoroscopic guidance with contrast | Indirect device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Repositioning of central venous catheter using fluoroscopic guidance with contrast | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Removal of central venous catheter using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Guide wire recanalization of central venous catheter using fluoroscopic guidance with contrast | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Replacement of central venous catheter using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of central venous access device with subcutaneous pump | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Removal of tunneled central venous catheter using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Insertion of tunneled central venous catheter using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Insertion of central venous catheter using Doppler ultrasound guidance | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Repair of central venous access catheter | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Fibrin sheath stripping of tunneled central venous catheter using fluoroscopic guidance with contrast | Indirect device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Replacement of nontunneled centrally inserted central venous catheter | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of central venous access catheter with subcutaneous port | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of tunneled central venous catheter using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Heparinizing central line | Indirect device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Fibrin sheath stripping of tunneled central venous catheter using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Repositioning of central venous catheter by endovascular snare using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of tunneled centrally inserted central venous catheter | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of tunneled centrally inserted central venous catheter with subcutaneous pump | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of central venous access device with subcutaneous pump | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of central venous access catheter | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Repositioning of central venous catheter by endovascular snare using fluoroscopic guidance with contrast | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of tunneled centrally inserted central venous catheter with subcutaneous pump | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of central venous access catheter with subcutaneous port | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of nontunneled centrally inserted central venous catheter | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of tunneled centrally inserted central venous catheter | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of tunneled venous catheter | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of tunneled venous catheter | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Tunneled central venous catheter | Is a | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Fibrin sheath stripping from central venous catheter using fluoroscopic guidance with contrast | Indirect device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Repositioning of central venous catheter by endovascular snare using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Guide wire recanalization of central venous catheter using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous thrombolysis of central venous catheter using fluoroscopic guidance with contrast | Indirect device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Repositioning of central venous catheter using fluoroscopic guidance with contrast | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Fibrin sheath stripping from central venous catheter using fluoroscopic guidance with contrast | Indirect device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Care of central venous catheter | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Nontunneled central venous catheter | Is a | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Cuffed central venous catheter | Is a | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Open insertion of central venous catheter | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 3 | 
| Open insertion of Broviac central venous catheter | Direct device | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 3 | 
| Replacement of central venous catheter using fluoroscopic guidance with contrast | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 3 | 
| Removal of central venous catheter using fluoroscopic guidance with contrast | Direct device | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 4 | 
| Blocked central line | Associated with | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Infection of central venous catheter | Associated with | False | Central venous catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Infection of central venous catheter exit site | Associated with | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Swab from central venous catheter | Specimen source identity | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Migration of central venous catheter | Associated with | True | Central venous catheter, device | Inferred relationship | Existential restriction modifier | 1 |