Peritoneo-venous shunt
US4240434A · kind A · utility
80Cited by
8References
5Claims
0Family size
Inventor
Key dates
| Filing date | Oct 10, 1978 |
| Grant date | Dec 23, 1980 |
| Priority date | — |
| Expiry date | Oct 10, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/4273
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A peritoneo-venous shunt for the surgical management of ascites includes a perforated inlet catheter with an asymetrical, one-way valve attached to and contained within a pump body, a venous catheter and a plurality of x-ray absorbing markers placed along the catheters for ascertaining their positioning in a patient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.