| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Transducer-bearing catheter | Is a | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Suprapubic catheter | Is a | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Indwelling urinary catheter, device | Is a | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Urethral catheter, device | Is a | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Ureteral catheter, device | Is a | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Cystoscopic catheter drainage for ureteric calculus | Using | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Mechanical complication due to cystostomy catheter | Causative agent | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Cystoscopic catheter drainage for ureteric calculus | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Cystoscopic catheter drainage for ureteric calculus | Using | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Change of urethral catheter | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Urethral catheterization for urodynamics | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 3 | 
| Insertion of indwelling urethral catheter | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Intermittent urethral catheterization | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Residual catheterization | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Clean intermittent self-catheterization | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Cervical ripening with Foley catheter | Using | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Urinary catheter specimen | Specimen source identity | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Catheterization of urinary bladder | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Complicated catheterization of bladder | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Diagnostic catheterization of urinary bladder | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Treatment via bladder catheter | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Clamping of urinary catheter | Indirect device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Spigotting of urinary catheter | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Draining urinary catheter | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Emptying urinary catheter | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Emptying catheter bag | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Attaching urinary catheter to bag | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Deflating indwelling urethral catheter balloon | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Inflating indwelling urethral catheter balloon | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Urinary catheter appliance procedures | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Checking patency of urinary catheter tubing | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Checking urinary catheter tubing | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Cleaning around catheter | Procedure device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Clamping urethral catheter with intermittent release | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Releasing urethral catheter clamp | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Urethral catheter clamping procedures | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Checking for looping of urinary catheter tubing | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Checking for kinking of urinary catheter tubing | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Cervical ripening with Foley catheter | Using device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Cystostomy with insertion of ureteral catheter | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Attention to urinary catheter | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Treatment via bladder catheter | Indirect device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Cystoscopic catheter drainage for ureteric calculus | Using device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Procedure involving urinary catheter | Procedure device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Diagnostic catheterization of urinary bladder | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Catheterization of urinary bladder | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Checking urinary catheter tubing | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Residual catheterization | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Cystostomy with insertion of ureteral catheter | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Checking patency of urinary catheter tubing | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Complicated catheterization of bladder | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Urinary catheter specimen | Specimen source identity | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Checking for looping of urinary catheter tubing | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Attention to urinary catheter | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Cervical ripening with Foley catheter | Using device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Checking for kinking of urinary catheter tubing | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Clamping of urinary catheter | Indirect device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Tamponade of anterior nasal bleeding using urinary catheter | Using device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Administration of substance into bladder via intravesical route using bladder catheter | Using access device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Administration of substance into bladder via intravesical route using bladder catheter | Using access device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Cystoscopic catheter drainage for ureteric calculus | Using device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Tamponade of anterior nasal bleeding using urinary catheter | Using device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of urinary catheter | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Removal of urinary system catheter | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Removal of urinary bladder catheter | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Removal of urinary bladder catheter | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of urinary catheter | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Removal of urinary system catheter | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Intermittent clamping of suprapubic urinary catheter | Indirect device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Intermittent clamping of suprapubic urinary catheter | Indirect device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Urine specimen collection, catheterized | Using device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Urine specimen collection, catheterized | Using device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 3 | 
| Emptying of ureterostomy bag | Procedure device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Infection of bladder catheter | Associated with | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Mechanical complication of cystostomy catheter | Associated with | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Disorder of cystostomy catheter | Associated with | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Leakage from urinary catheter | Associated with | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Obstruction of urinary catheter | Associated with | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Complication of urinary catheter | Associated with | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Urinary tract infection associated with catheter | Associated with | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Ureteropelvic filter catheter | Is a | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Removal of urinary bladder catheter | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Replacement of urinary catheter | Direct device | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Catheterization of urinary bladder | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 2 | 
| Infection of bladder catheter | Associated with | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Urinary tract infection associated with catheter | Associated with | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Introduction of urinary catheter | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Care of urinary catheter | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Urinary catheter submitted as specimen | Specimen source identity | False | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Releasing urethral catheter clamp | Indirect device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Spigotting of urinary catheter | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Checking for looping of urinary catheter tubing | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Checking for kinking of urinary catheter tubing | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Emptying urinary catheter | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Attaching urinary catheter to bag | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Inflating indwelling urethral catheter balloon | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Checking patency of urinary catheter tubing | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Checking urinary catheter tubing | Direct device | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Indwelling urethral or suprapubic drainage catheter | Is a | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier |  | 
| Urinary catheter submitted as specimen | Specimen substance | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 1 | 
| Urinary tract infection associated with catheter | Associated with | True | Urinary catheter, device | Inferred relationship | Existential restriction modifier | 3 |