Medical device
US7637864B2 · kind B2 · utility
13Cited by
14References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2003 |
| Grant date | Dec 29, 2009 |
| Priority date | — |
| Expiry date | Nov 30, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/7232
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A capsule medical apparatus inserted in the body cavity includes a spiral projected portion on the outer peripheral surface of a body cavity inserting portion. The pitch, height, and cross section of the projected portion and the like are set to have proper values and shapes suitable to the advance thereof. The body cavity inserting portion has a magnet. An external magnetic guiding device applies a rotating magnetic field to the magnet and the magnetic torque acts on a magnet for rotation. Thus, the medical apparatus stably advances.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.