Cable for enhancing biopotential measurements and method of assembling the same

• US 8,076,580 B2
• Filed: 06/08/2009
• Issued: 12/13/2011
• Est. Priority Date: 06/08/2009
• Status: Active Grant

• Current Assignee: Natus Medical Incorporated
• Original Assignee: CareFusion 209, Inc.
• Inventors: Kolasa, William, Garz, Eric, Lombardi, Daniel J., Reber, Geoffrey
• Primary Examiner(s): NGUYEN, CHAU N
• Application Number:
  US12/480,230
• Publication Number:
  US 20100307785A1
• Time in Patent Office: 918 Days
• Field of Search: 174/105.R, 174/113.R
• US Class Current: 174/105.R
• CPC Class Codes: H01B 11/00 Communication cables or conductors

Abstract

A cable for enhancing biopotential measurements, including a core, the core including a first conductive line, a first shield that surrounds the first conductive line, and a first insulator that surrounds the first shield. The cable further includes a control section located outside the core, which includes a second conductive line, a second shield that surrounds the conductive line, and a second insulator that surrounds the second shield.

Claims

1. A cable for enhancing biopotential measurements, comprising:

a feedback core centered within the cable, the feedback core comprising;

a first conductive line comprising a central feedback line;

a first shield that surrounds the central feedback line; and

a first insulator that surrounds the first shield; and

a plurality of second conductive lines located radially outside the feedback core;

a second shield that surrounds the second conductive lines and the feedback core;

a second insulator that surrounds the second shield;

a plurality of third conductive lines located radially outside the second insulator;

a third shield that surrounds the third conductive line;

a third insulator that surrounds the third shield, wherein at least a portion of the third insulator and the third shield are in physical contact; and

a sole conductive line disposed between and in physical contact with both the third insulator and the third shield, the sole conductive line comprising a ground line.

2. The cable of claim 1, wherein the second conductive lines comprises at least one low power DC voltage line, at least one ground line, and a plurality of digital control lines.

3. The cable of claim 1, further comprising a filler material located adjacent the third conductive line and between the second insulator and the third shield.

4. The cable of claim 1, further comprising a filler material located adjacent the second conductive line and between the feedback core and the second shield.

5. The cable of claim 1, wherein each conductive line comprises a conductive material surrounded by an insulating sheath.

6. The cable of claim 1, further comprising a connector at an end of the cable.

7. The cable of claim 6, wherein the connector comprises a connecting fastener.

8. The cable of claim 6, wherein:

the connector further comprises a respective pinout for each conductive line; and

each conductive line is electrically connected to a respective pinout.

9. A cable for enhancing biopotential measurements, comprising:

a feedback core centered within the cable, the feedback core comprising;

a first conductive line comprising a central feedback line;

a first shield that surrounds the central feedback line; and

a first insulator that surrounds the first shield; and

a control section comprising;

a plurality of conductive control lines located radially outside the feedback core, wherein the plurality of conductive control lines comprises a low power DC voltage line, a ground line, and a plurality of digital control lines;

a second shield that surrounds the plurality of conductive control lines and the feedback core; and

a second insulator that surrounds the second shield; and

a sensing section comprising;

a plurality of conductive sensing lines radially located outside the control section;

a third shield that surrounds the plurality of conductive sensing lines and the control section; and

a third insulator that surrounds the third shield; and

a ground section comprising;

a sole conductive line disposed between and in physical contact with both the third insulator and the third shield, wherein the sole conductive line is a ground line and is also electrically coupled with the third shield.

10. The cable of claim 9, wherein the central feedback line, the plurality of conductive control lines, and the plurality of conductive sensing lines each comprises a conductive material surrounded by an insulating sheath.

11. The cable of claim 9, wherein the plurality of digital control lines comprises four digital control lines.

12. The cable of claim 9, wherein the plurality of conductive sensing lines comprises forty-three patient sensing lines.

13. The cable of claim 9, further comprising a filler material located between each of the plurality of conductive control lines.

14. A cable for enhancing biopotential measurements, comprising:

a feedback centered within the cable, the feedback means comprising;

a first means for conducting comprising a central feedback means;

a first means for shielding that surrounds the central feedback means; and

a first means for insulating that surrounds the first means for shielding; and

a second means for conducting located radially outside the feedback means;

a second means for shielding that surrounds the second means for conducting and the feedback means;

a second means for insulating that surrounds the second means for shielding;

a third means for conducting located radially outside the second means for insulating;

a third means for shielding that surrounds the third means for conducting;

a third means for insulating that surrounds the third means for shielding; and

a means for grounding comprising a sole means for conducting disposed between and in physical contact with both the third means for insulating and the third means for shielding.

15. A cable for enhancing biopotential measurements, comprising:

a core, comprising

a first conductive line;

a first shield that surrounds the first conductive line; and

a first insulator that surrounds the first shield; and

a control section located outside the core, comprising;

a second conductive line;

a second shield that surrounds the second conductive line; and

a second insulator that surrounds the second shield;

a sensing section outside the control section, comprising;

a plurality of conductive sensing lines radially located outside the control section;

a third shield that surrounds the plurality of conductive sensing lines and the control section; and

a third insulator that surrounds the third shield; and

a grounding section, comprising;

a sole conductive line disposed between and in physical contact with both the third insulator and the third shield, the sole conductive line comprising a ground line.