Monitoring catheter for medical use
US5108364A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 15, 1990 |
| Grant date | Apr 28, 1992 |
| Priority date | — |
| Expiry date | Feb 15, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2230/50
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A monitoring catheter for medical use characterized by a main tube for discharge path of body fluids, etc.; a first auxiliary tube for air flow which surrounds the main tube and is provided within the wall; a second auxiliary tube or a third auxiliary tube which forms passageway for liquid drug infusion or measures pressure; and a lead for measuring a temperature which is embedded within the wall of the main tube. The main tube has a plurality of bores on the wall near the tip portion thereof and also has a connecting portion for connecting with a container for drainage capture at the rear end of the main tube. The first auxiliary tube opens at the tip portion thereof towards the inside of the main tube and at the same time, is branched from the main tube near the rear end of the catheter and a filter is equipped at the rear end of the branched portion. The second auxiliary opens towards the outer surface of the catheter. The third auxiliary tube opens towards the outer surface of the catheter at a distance of 5 to 70 cm from the tip portion of the catheter. The tip of the lead is located near the tip portion of the catheter and is equipped with a temperature sensor. The lead is al…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.