Blood pump device and method of producing
US6808482B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2000 |
| Grant date | Oct 26, 2004 |
| Priority date | — |
| Expiry date | Sep 22, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/3334
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A blood pump device comprises a blood pump having blood transport ports, cannulae connected to the ports, and a coating material covering the junction between the inner surfaces of the ports and cannulae. This forms a smooth transition so blood can flow unimpeded therefrom and collection cavities for the blood are eliminated. Also included is a method for producing a smooth coating. The blood pump device comprises a second portion including a stator mechanism, a rotor mechanism, an impeller, a journal, and a seat member. The second portion is constructed to pump blood through the cannulae when power is provided. The blood pump device is also equipped with a safety occluder device, a sensor for detecting back emf in the stator mechanism, and a controller having the capability of indicating stator current and rotor speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.