Dual balloon central venous line catheter temperature control system
US6299599A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 27, 1999 |
| Grant date | Oct 9, 2001 |
| Priority date | — |
| Expiry date | Oct 27, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/44
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system for controlling patient temperature uses a central venous line catheter having axially spaced distal and proximal heat exchange balloons. The central venous line catheter is provided with one or more lumens for providing access to the central blood supply of the patient, and with additional lumens for communicating heat exchange fluid to the balloons. Heat exchange fluid temperature is controlled through a feed back loop in which patient temperature is sensed and used to control a temperature control unit comprising a heating device and/or a cooling device in heat exchange relationship with the heat exchange fluid. A tubing set transports the heat exchange fluid between the central venous line and the temperature control unit, with a pump serving to circulate the fluid in a closed fluid circuit in the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.