| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Discission of membranous cataract, secondary | Direct device | False | Needle | Inferred relationship | Some |  | 
| Needle aspiration of lesion of abdominal wall | Using | False | Needle | Inferred relationship | Some |  | 
| Needle aspiration of lesion of umbilicus | Using | False | Needle | Inferred relationship | Some |  | 
| Pancreatic venous sampling | Using | False | Needle | Inferred relationship | Some |  | 
| Renal venous sampling | Using | False | Needle | Inferred relationship | Some |  | 
| Renal transplant venous sampling | Using | False | Needle | Inferred relationship | Some |  | 
| Venous sampling catheter procedure | Using | False | Needle | Inferred relationship | Some |  | 
| Petrosal sinus sampling catheter procedure | Using | False | Needle | Inferred relationship | Some |  | 
| Simultaneous sampling of bilateral inferior petrosal sinuses (procedure) | Using | False | Needle | Inferred relationship | Some |  | 
| Jugular vein sampling catheter procedure | Using | False | Needle | Inferred relationship | Some |  | 
| Portal venous sampling catheter | Using | False | Needle | Inferred relationship | Some |  | 
| Hepatic vein sampling catheter procedure | Using | False | Needle | Inferred relationship | Some |  | 
| Adrenal vein sampling catheter procedure | Using | False | Needle | Inferred relationship | Some |  | 
| Gonadal vein sampling catheter procedure | Using | False | Needle | Inferred relationship | Some |  | 
| Parathyroid sampling catheter procedure | Using | False | Needle | Inferred relationship | Some |  | 
| Needling of secondary cataract | Using | False | Needle | Inferred relationship | Some |  | 
| Therapeutic phlebotomy | Using | False | Needle | Inferred relationship | Some | 1 | 
| Venipuncture | Using | False | Needle | Inferred relationship | Some |  | 
| Therapeutic phlebotomy in laboratory | Using | False | Needle | Inferred relationship | Some | 1 | 
| Venipuncture for blood test | Using | False | Needle | Inferred relationship | Some |  | 
| Needling of lens capsule | Using | False | Needle | Inferred relationship | Some |  | 
| Discission of congenital cataract | Using | False | Needle | Inferred relationship | Some |  | 
| Incisional discission of secondary membranous cataract and anterior hyaloid | Using | False | Needle | Inferred relationship | Some |  | 
| Extraction of primary membranous cataract by discission | Using | False | Needle | Inferred relationship | Some |  | 
| Extraction of primary membranous cataract by needling | Using | False | Needle | Inferred relationship | Some |  | 
| Therapeutic phlebotomy at bedside | Using | False | Needle | Inferred relationship | Some | 2 | 
| Discission of membranous cataract, secondary | Using | False | Needle | Inferred relationship | Some |  | 
| Needle aspiration of urethra | Using | False | Needle | Inferred relationship | Some |  | 
| Needle aspiration of breast (procedure) | Using | False | Needle | Inferred relationship | Some | 1 | 
| Phlebotomy (procedure) | Using | False | Needle | Inferred relationship | Some | 1 | 
| Blood draw via femoral vein (procedure) | Using | False | Needle | Inferred relationship | Some | 1 | 
| Introduction of needle into carotid artery | Direct device | False | Needle | Inferred relationship | Some | 1 | 
| Introduction of needle into vertebral artery | Direct device | False | Needle | Inferred relationship | Some | 1 | 
| Bifurcated needle, device (physical object) | Is a | True | Needle | Inferred relationship | Some |  | 
| Percutaneous fine needle aspiration of mastectomy scar | Using | False | Needle | Inferred relationship | Some | 2 | 
| Needle revision of failed filtering bleb (procedure) | Using | False | Needle | Inferred relationship | Some | 1 | 
| Needle aspiration for drainage of thyroglossal tract | Using | False | Needle | Inferred relationship | Some | 1 | 
| Postoperative needle aspiration for drainage of thyroid | Using | False | Needle | Inferred relationship | Some | 1 | 
| Needle aspiration for drainage of thyroid | Using | False | Needle | Inferred relationship | Some | 1 | 
| Fine needle biopsy of breast | Using | False | Needle | Inferred relationship | Some | 1 | 
| Fine needle aspiration of breast (procedure) | Using | False | Needle | Inferred relationship | Some | 1 | 
| Pereyra procedure including anterior colporrhaphy | Using | False | Needle | Inferred relationship | Some | 1 | 
| Bevel needle (physical object) | Is a | True | Needle | Inferred relationship | Some |  | 
| Block needle (physical object) | Is a | True | Needle | Inferred relationship | Some |  | 
| Epidural needle (physical object) | Is a | True | Needle | Inferred relationship | Some |  | 
| Needle aspiration of lesion of abdominal wall | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle aspiration of lesion of umbilicus | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle aspiration of intraperitoneal abscess (procedure) | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Therapeutic phlebotomy | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Excisional biopsy of cerebral meninges, percutaneous, needle | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Therapeutic phlebotomy in laboratory | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle aspiration for drainage of thyroglossal tract | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Pereyra procedure including anterior colporrhaphy | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Incisional discission of secondary membranous cataract and anterior hyaloid | Using device (attribute) | False | Needle | Inferred relationship | Some | 2 | 
| Extraction of primary membranous cataract by discission | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Extraction of primary membranous cataract by needling | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Therapeutic phlebotomy at bedside | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Postoperative needle aspiration for drainage of thyroid | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Pereyra operation for paraurethral suspension | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle aspiration for drainage of thyroid | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle aspiration of urethra | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle aspiration of breast (procedure) | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Phlebotomy (procedure) | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Blood draw via femoral vein (procedure) | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Aspiration of prostate using needle (procedure) | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Franzen needle aspiration biopsy of prostate (procedure) | Using device (attribute) | False | Needle | Inferred relationship | Some | 2 | 
| Needle aspiration of extraperitoneal abscess | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Percutaneous needle biopsy of spleen (procedure) | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle biopsy of lung | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Percutaneous needle biopsy of muscle | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Excisional biopsy of brain, percutaneous, needle | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle biopsy | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Transrectal needle biopsy of seminal vesicle (procedure) | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle biopsy of liver | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle biopsy of lesion of lung | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle biopsy of spleen (procedure) | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Percutaneous needle biopsy of renal lesion | Using device (attribute) | False | Needle | Inferred relationship | Some | 3 | 
| Needle biopsy of cranial nerve | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle biopsy of prostate | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle biopsy of bone | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Transscrotal needle biopsy of testis | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Percutaneous needle biopsy of breast | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Deep needle biopsy of bone (procedure) | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle biopsy of lesion of peritoneal cavity | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle biopsy of liver NEC | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Percutaneous needle biopsy | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Percutaneous renal needle biopsy | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Transthoracic needle biopsy (procedure) | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle biopsy of lesion of abdominal wall | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Percutaneous core needle biopsy of breast using stereotactic guidance (procedure) | Using device (attribute) | False | Needle | Inferred relationship | Some | 2 | 
| Percutaneous needle biopsy of nerve | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle biopsy of kidney (procedure) | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Excisional biopsy of cerebral meninges, percutaneous, needle | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Percutaneous needle biopsy lung | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Transperineal needle biopsy of prostate | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Percutaneous needle biopsy of spinal cord | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Needle aspiration for drainage of thyroid | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Percutaneous needle biopsy | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Introduction of needle, retrograde, brachial artery | Direct device | True | Needle | Inferred relationship | Some | 1 | 
| Needle biopsy of lung | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 | 
| Percutaneous needle biopsy of spleen (procedure) | Using device (attribute) | False | Needle | Inferred relationship | Some | 1 |