Vance Products Inc.
48Patents
5Active
48Granted
41Portfolio score
Filing activity: Aug 24, 1987 → Dec 18, 2008 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5060658A | Fine-needle aspiration cell sampling apparatus | Human Necessities | 726 | Expired |
| US5275609A | Surgical cutting instrument | Human Necessities | 696 | Expired |
| US5338317A | Rotational surgical instrument handle | Human Necessities | 689 | Expired |
| US5249583A | Electronic biopsy instrument with wiperless position sensors | Human Necessities | 432 | Expired |
| US5514176A | Pull apart coil stent | Human Necessities | 361 | Expired |
| US5037379A | Surgical tissue bag and method for percutaneously debulking tissue | Emerging Cross-Sectional Technologies | 355 | Expired |
| US5488958A | Surgical cutting instrument for coring tissue affixed thereto | Human Necessities | 355 | Expired |
| US5289831A | Surface-treated stent, catheter, cannula, and the like | Human Necessities | 348 | Expired |
| US5290249A | Surgical access sheath | Human Necessities | 296 | Expired |
| US5081997A | Echogenic devices, material and method | Human Necessities | 274 | Expired |
| US5053043A | Suture guide and method of placing sutures through a severed duct | Human Necessities | 264 | Expired |
| US4869259A | Echogenically enhanced surgical instrument and method for production thereof | Human Necessities | 254 | Expired |
| US5897565A | Releasable, surgical clamp | Emerging Cross-Sectional Technologies | 234 | Expired |
| US4989614A | Fine-needle aspiration cell sampling methods | Human Necessities | 225 | Expired |
| US4957479A | Indwelling ureteral stent placement apparatus | Human Necessities | 202 | Expired |
| US5376096A | Medical instrument for driving a suture needle | Human Necessities | 160 | Expired |
| US5405354A | Suture driver | Human Necessities | 159 | Expired |
| US5146921A | Biopsy instrument stylet and cannula assembly | Human Necessities | 147 | Expired |
| US5201314A | Echogenic devices, material and method | Human Necessities | 146 | Expired |
| US5582577A | Surgical retractor including central elastic member | Human Necessities | 141 | Expired |
| US5647843A | Anti-reflux ureteral stent | Human Necessities | 133 | Expired |
| US5048538A | Biopsy instrument | Human Necessities | 122 | Expired |
| US5015250A | Medical instrument for driving a suture needle | Human Necessities | 119 | Expired |
| US6254570A | Back-up retention member drainage catheter | Human Necessities | 115 | Expired |
| US7766926B2 | Sling for supporting tissue | Human Necessities | 105 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.