SENSOR GUIDE WIRE DEVICE AND SYSTEM INCLUDING A SENSOR GUIDE WIRE DEVICE

• US 20120289808A1
• Filed: 01/17/2011
• Published: 11/15/2012
• Est. Priority Date: 01/27/2010
• Status: Active Grant

• Current Assignee: St. Jude Medical Coordination Center BVBA (Abbott Laboratories Incorporated)
• Original Assignee: St Jude Medical Systems AB (Abbott Laboratories Incorporated)
• Inventors: Hübinette, Ulrik
• Granted Patent: US 9,826,902 B2
• Time in Patent Office: Days
• US Class Current: 600/381
• CPC Class Codes: A61B 2560/0214 of power generation or supply
• CPC Class Codes: A61B 2560/045 with a separable interface unit, e.g. for communication
• CPC Class Codes: A61B 2562/225 Connectors or couplings
• CPC Class Codes: A61B 5/0002 Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network A61B5/07 takes precedence; transmission systems for measured values G08C; transmission H04B; transmission of digital information H04L; wireless communication networks H04W
• CPC Class Codes: A61B 5/0017 transmitting optical signals transmission by light H04B10/00
• CPC Class Codes: A61B 5/01 Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue clinical contact thermometers G01K13/20
• CPC Class Codes: A61B 5/0215 by means inserted into the body catheters A61M25/00
• CPC Class Codes: A61B 5/02156 Calibration means
• CPC Class Codes: A61B 5/6851 Guide wires
• CPC Class Codes: A61M 2025/09083 having a coil around a core
• CPC Class Codes: A61M 2025/09175 having specific characteristics at the distal tip
• CPC Class Codes: A61M 25/09 Guide wires

Abstract

A sensor guide wire device (200) for intravascular measurements of a physiological variable in a living body is disclosed. The sensor guide wire (200) may comprise a sensor element (213) and a connector unit (220). The connector unit (220) is attachable to a signal converting device (310). The sensor element (213) provides the signal converting device (310) with a signal indicative of a physiological variable sensed by the sensor element (213). Furthermore, the connector unit (220) comprises a battery (222). A system (300) comprising the sensor guide wire device (200) and the signal converting device (310) is also disclosed.

Claims

1. Sensor guide wire device comprising a sensor guide wire for intravascular measurements of a physiological variable in a living body, the sensor guide wire is provided with at least one sensor element arranged to sense at least one physiological variable in a living body;

the sensor guide wire device further comprises a connector unit adapted to be directly or indirectly connected to the proximal end of said sensor guide wire, said connector unit being physically attachable to a signal converting device, via electrical contacts, for providing the signal converting device with a signal indicative of a physiological variable sensed by the sensor element, characterized in that the connector unit comprises a power supply arranged to power the signal converting device via said electrical contacts when the connector unit is attached to the signal converting device and that said sensor guide wire device is a disposable device that is heat sterilizeable.

2. Sensor guide wire device according to claim 1, wherein said sensor element is energized by said signal converting device when the sensor guide wire device is attached to said signal converting device.

3. Sensor guide wire device according to claim 1, wherein said connector unit comprises a calibration memory, e.g. an EEPROM, including calibration data related to said sensor element.

4. Sensor guide wire device according to claim 1, wherein the power supply comprises at least one battery.

5. Sensor guide wire device according to any preceding claim 1, wherein the connector unit is positioned at a proximal portion of the sensor guide wire.

6. Sensor guide wire device according to claim 1, wherein the connector unit comprises a male connector arranged to connect with a female connector of the signal converting device.

7. Sensor guide wire device according to claim 1, wherein the connector unit comprises a female connector arranged to connect with a male connector of the signal converting device.

8. A system for intravascular measurements of a physiological variable in a living body, the system comprising:

a sensor guide wire device according to claim 1,

a signal converting device attachable to the sensor guide wire device via the connector unit of the sensor guide wire device.

9. System according to claim 8, wherein the signal converting device comprises a power supply monitoring device, which is arranged to monitor the power level of the power supply when the signal converting device is attached to the connector, and to generate a power level alert signal if said power level of the power supply is below a preset threshold.

10. System according to claim 8, further comprising:

a power supply monitoring device, which is attachable to the connector unit and which is further arranged to monitor the power level of the power supply when attached to the connector unit, and to generate a power level alert signal if said power level of the power supply is below a preset threshold.

11. System according to claim 8, wherein the signal converting device is arranged to convert said signal indicative of the physiological variable to a signal in accordance with an established standard, such as the BP 22-standard.

12. System according to claim 8, wherein said signal converting device comprises an optical communication link used to achieve a communication link having no galvanic connection between the signal processing part of the signal converting device and a physiology monitor connectable to said signal converting device.

13. System according to claim 8, further comprising:

a physiology monitor communicatively connectable to the signal converting device.

14. System according to claim 13, wherein the physiology monitor is connectable to the signal converting device via a wired connection.

15. System according to claim 13, wherein the physiology monitor is connectable to the signal converting device via a wireless connection.

16. Sensor guide wire device according to claim 2, wherein said connector unit comprises a calibration memory, e.g. an EEPROM, including calibration data related to said sensor element.

17. System according to claim 9, further comprising:

a power supply monitoring device, which is attachable to the connector unit and which is further arranged to monitor the power level of the power supply when attached to the connector unit, and to generate a power level alert signal if said power level of the power supply is below a preset threshold.