Catheter with bulb
US4290428A · kind A · utility
62Cited by
4References
2Claims
0Family size
Inventors
Key dates
| Filing date | Aug 16, 1979 |
| Grant date | Sep 22, 1981 |
| Priority date | — |
| Expiry date | Aug 16, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M25/10
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
This catheter for blood retroperfusion comprises a tube and a flexible bulb through which the tube passes; ports are formed in the tube portion surrounded by the bulb, and their total surface area is at least equal to the total surface area of the fluid passage of the tube between the latter and the cavity into which the catheter is introduced in actual use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.