John B. Clayton
43Patents
34h-index
39Co-inventors
85Inventor score
Filing activity: Dec 10, 1981 → Jun 3, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5792044A | Devices and methods for percutaneous surgery | Human Necessities | 840 | Expired |
| US5902231A | Devices and methods for percutaneous surgery | Human Necessities | 639 | Expired |
| US6434507B1 | Medical instrument and method for use with computer-assisted image guided surgery | Human Necessities | 595 | Expired |
| US6520907B1 | Methods for accessing the spinal column | Human Necessities | 593 | Expired |
| US6226548A | Percutaneous registration apparatus and method for use in computer-assisted surgical navigation | Human Necessities | 567 | Expired |
| US6152871A | Apparatus for percutaneous surgery | Human Necessities | 541 | Expired |
| US5954635A | Devices and methods for percutaneous surgery | Human Necessities | 514 | Expired |
| US6217509A | Devices and methods for percutaneous surgery | Human Necessities | 457 | Expired |
| US7835778B2 | Method and apparatus for surgical navigation of a multiple piece construct for implantation | Human Necessities | 415 | Active |
| US6425859B1 | Cannula and a retractor for percutaneous surgery | Human Necessities | 411 | Expired |
| US7835784B2 | Method and apparatus for positioning a reference frame | Human Necessities | 381 | Active |
| US6491699B1 | Instrument guidance method and system for image guided surgery | Human Necessities | 365 | Expired |
| US8239001B2 | Method and apparatus for surgical navigation | Electricity | 352 | Active |
| US6167145A | Bone navigation system | Physics | 337 | Expired |
| US7567834B2 | Method and apparatus for implantation between two vertebral bodies | Human Necessities | 322 | Expired |
| US6298262A | Instrument guidance for stereotactic surgery | Human Necessities | 322 | Expired |
| US6007487A | Tissue retractor for use through a cannula | Human Necessities | 309 | Expired |
| US8467851B2 | Method and apparatus for positioning a reference frame | Human Necessities | 306 | Active |
| US8706185B2 | Method and apparatus for surgical navigation of a multiple piece construct for implantation | Human Necessities | 282 | Active |
| USRE44305E1 | Percutaneous registration apparatus and method for use in computer-assisted surgical navigation | General | 260 | Active |
| USRE42226E1 | Percutaneous registration apparatus and method for use in computer-assisted surgical navigation | General | 253 | Active |
| US6206822A | Devices and methods for percutaneous surgery | Human Necessities | 249 | Expired |
| USRE42194E1 | Percutaneous registration apparatus and method for use in computer-assisted surgical navigation | General | 247 | Active |
| US6162170A | Devices and methods for percutaneous surgery | Human Necessities | 235 | Expired |
| US7217276B2 | Instrument guidance method and system for image guided surgery | Human Necessities | 217 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.