Electromagnetic radiation immune medical assist device adapter

• US 6,725,092 B2
• Filed: 04/25/2002
• Issued: 04/20/2004
• Est. Priority Date: 04/25/2002
• Status: Expired due to Fees

• Current Assignee: Biophan Technologies Incorporated
• Original Assignee: Biophan Technologies Incorporated
• Inventors: MacDonald, Stuart G., Weiner, Michael L., Helfer, Jeffrey L.
• Primary Examiner(s): Getzow, Scott M.
• Application Number:
  US10/132,457
• Publication Number:
  US 20030204207A1
• Time in Patent Office: 726 Days
• Field of Search: 607/1-156
• US Class Current: 607/2
• CPC Class Codes: A61N 1/086 Magnetic resonance imaging [MRI] compatible leads
• CPC Class Codes: A61N 1/3625 External stimulators
• CPC Class Codes: A61N 1/3718 Monitoring of or protection against external electromagnetic fields or currents
• CPC Class Codes: A61N 1/3752 Details of casing-lead connections
• CPC Class Codes: A61N 1/3925 Monitoring; Protecting

Abstract

An electromagnetic radiation immune medical assist system includes a medical assist device; a photonic lead having a proximal end and a distal end; and an adapter to operatively connect the medical assist device with the photonic catheter. The adapter includes a housing, an interface to provide an operative communication connection between the adapter and the medical assist device, a transducer to convert information from the medical assist device into optical energy, and an optical interface to provide an operative connection between the adapter and the photonic catheter.

Claims

1. A photonic adapter to provide an operational electrical interface between a medical assist device and a photonic catheter, comprising:

a housing;

an electrical interface to provide an operative connection between the photonic adapter and the medical assist device; and

a photonic transducer to convert electrical energy from the medical assist device to optical energy, said optical energy being utilized by the photonic catheter.

2. The photonic adapter as claimed in claim 1, further comprising:

an optical interface to provide an operative connection between the photonic adapter and the photonic catheter.

3. The photonic adapter as claimed in claim 1, further comprising a power source.

4. The photonic adapter as claimed in claim 1, wherein said electro-optical transducer comprises:

a control circuit, operatively connected to said electrical interface, to convert electrical energy from the medical assist device into control signals; and

a light source, operatively connected to said control circuit, to provide optical energy in response to said control signals.

5. The photonic adapter as claimed in claim 4, wherein said electro-optical transducer further comprises:

a sensor, operatively connected to said control circuit, for receiving optical energy representing sensed conditions at a distal end of the photonic catheter and converting the optical energy into an electrical signal representing the sensed conditions at a distal end of the photonic catheter.

6. The photonic adapter as claimed in claim 4, wherein said light source is a laser.

7. The photonic adapter as claimed in claim 1, wherein the medical assist device is a cardiac assist device.

8. The photonic adapter as claimed in claim 1, further comprising:

an impedance load to mimic an impedance of an electrical lead.

9. A photonic adapter to provide an operational transmitter/receiver interface between a medical assist device and a photonic catheter, comprising:

a housing;

a transmitter/receiver interface to provide an operative communication connection between the adapter and the medical assist device; and

a transducer to convert information from the medical assist device into optical energy.

10. The photonic adapter as claimed in claim 9, wherein said transducer comprises:

a control circuit, operatively connected to said transmitter/receiver interface, to convert information from the medical assist device into control signals; and

a light source, operatively connected to said control circuit, to provide optical energy in response to said control signals.

11. The photonic adapter as claimed in claim 10, wherein said transducer further comprises:

a sensor, operatively connected to said control circuit, for receiving optical energy representing sensed conditions at a distal end of the photonic catheter and converting the optical energy into an electrical signal representing the sensed conditions at a distal end of the photonic catheter.

12. An electromagnetic radiation immune medical assist system, comprising:

a medical assist device;

a photonic lead having a proximal end and a distal end; and

an adapter to operatively connect said medical assist device with said photonic catheter;

said adapter including,

a housing,

an interface to provide an operative communication connection between said adapter and said medical assist device, and

a transducer to convert information from said medical assist device into optical energy.

13. The electromagnetic radiation immune medical assist system as claimed in claim 12, wherein:

said transducer includes,

a control circuit operatively connected to said interface, to convert information from said medical assist device into control signals, and

a light source, operatively connected to said control circuit, to provide optical energy in response to said control signals; and

said photonic catheter including a waveguide between a proximal end and distal end of said photonic lead.

14. An adaptive bridge for providing an interface between a photonic adapter and a medical assist device, comprising:

a first interface to provide an electrical connection between the adaptive bridge and the medical assist device;

a second interface to provide an electrical connection between the adaptive bridge and the photonic adapter; and

a passive electrical lead to provide an electrical conduit between said first interface and said second interface.

15. The adaptive bridge as claimed in claim 14, further comprising:

an impedance load to mimic an impedance of an electrical lead.

16. The adaptive bridge as claimed in claim 14, wherein said first interface provides mechanical attachment and a biological seal between the adaptive bridge and the medical assist device.

17. The adaptive bridge as claimed in claim 14, wherein said second interface provides mechanical attachment and a biological seal between the adaptive bridge and the photonic adapter.

18. A medical assist system, comprising:

a medical assist device;

a photonic adapter; and

an adaptive bridge for providing an interface between said photonic adapter and said medical assist device.

19. The medical assist system as claimed in claim 18, wherein said photonic adapter includes:

a housing;

an electrical interface to provide an operative connection between said photonic adapter and said adaptive bridge; and

a photonic transducer to convert electrical energy from said adaptive bridge to optical energy, said optical energy being utilized by the photonic catheter.

20. The medical assist system as claimed in claim 19, wherein said photonic transducer includes:

a control circuit, operatively connected to said electrical interface, to convert electrical energy from said photonic adapter into control signals;

a light source, operatively connected to said control circuit, to provide optical energy in response to said control signals; and

;

a sensor, operatively connected to said control circuit, for receiving optical energy representing sensed conditions at a distal end of the photonic catheter and converting the optical energy into an electrical signal representing the sensed conditions at a distal end of the photonic catheter.

21. The medical assist system as claimed in claim 18, wherein said adaptive bridge includes:

a first interface to provide an electrical connection between said adaptive bridge and said medical assist device;

a second interface to provide an electrical connection between said adaptive bridge and said photonic adapter; and

a passive electrical lead to provide an electrical conduit between said first interface and said second interface.