SLEEP DISORDERED BREATHING TREATMENT APPARATUS

• US 20150290465A1
• Filed: 02/16/2015
• Published: 10/15/2015
• Est. Priority Date: 07/26/2012
• Status: Active Grant

• Current Assignee: Nyxoah SA
• Original Assignee: Nyxoah SA
• Inventors: Mashiach, Adi
• Granted Patent: US 11,253,712 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61B 17/0482 Needle or suture guides guides for drills, pins or wire A61B17/17; for puncturing needles A61B17/3403
• CPC Class Codes: A61B 5/0031 Implanted circuitry
• CPC Class Codes: A61F 2002/30668 Means for transferring electromagnetic energy to implants
• CPC Class Codes: A61F 2250/0001 Means for transferring electromagnetic energy to implants
• CPC Class Codes: A61N 1/0526 Head electrodes A61N1/0551 takes precedence
• CPC Class Codes: A61N 1/0558 Anchoring or fixation means therefor
• CPC Class Codes: A61N 1/3601 of respiratory organs
• CPC Class Codes: A61N 1/36071 Pain
• CPC Class Codes: A61N 1/3611 Respiration control stimulating respiratory organs A61N1/3601
• CPC Class Codes: A61N 1/36125 Details of circuitry or electric components
• CPC Class Codes: A61N 1/36189 using modulation techniques
• CPC Class Codes: A61N 1/37229 Shape or location of the implanted or external antenna
• CPC Class Codes: A61N 1/3787 from an external energy source
• CPC Class Codes: H02J 2207/50 Charging of capacitors, supercapacitors, ultra-capacitors or double layer capacitors using capacitors as storage or buffering device in cooperation with batteries H02J7/345
• CPC Class Codes: H02J 2310/23 The load being a medical device, a medical implant, or a life supporting device
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H02J 50/90 involving detection or optimisation of position, e.g. alignment
• CPC Class Codes: H02J 7/345 using capacitors as storage or buffering devices
• CPC Class Codes: H04B 5/26 using coils
• CPC Class Codes: H04B 5/266 : One coil at each side, e.g. with primary and secondary coils
• CPC Class Codes: H04B 5/72 : for local intradevice communication
• CPC Class Codes: H04B 5/79 : for data transfer in combination with power transfer
• CPC Class Codes: Y10T 29/49018 : with other electrical component

Abstract

Some embodiments of the disclosure may include a device for wirelessly powering an implant unit in a body of a subject from a location outside of the body of the subject, wherein the implant unit includes a secondary antenna for wirelessly receiving energy. The device may include a primary antenna configured to be located external to the body of the subject, a circuit electrically connected to the primary antenna, and at least one processor electrically connected to the primary antenna and the circuit. The at least one processor may determine a resonant frequency mismatch between a first resonant frequency associated with the primary antenna and a second resonant frequency associated with the secondary antenna associated with the implant unit; and apply an adjustment to at least one component of the circuit to cause a change in the first resonant frequency associated with the primary antenna and a reduction in the resonant frequency mismatch.

Claims

1. A device for treating sleep apnea from a location external to a body of a subject by wirelessly powering an implant in the body of the subject, wherein the implant unit includes a secondary antenna for wirelessly receiving energy, the device comprising:

a primary antenna configured to be located external to a subject;

a circuit electrically connected to the primary antenna and associated with a plurality of selectable capacitance values; and

at least one processor configured to;

determine a transmission efficiency value between the primary antenna and the secondary antenna for each of a plurality of frequencies; and

select a capacitance value to be included in the circuit, from among the plurality of selectable capacitance values, based on the determined transmission efficiencies.

2. The device of claim 15, wherein the circuit includes at least one component having an adjustable capacitance to provide the plurality of capacitance values.

3. The device of claim 16, wherein the at least one component includes a trimming capacitor, and wherein the at least one processor is further configured to adjust a resonant frequency associated with the primary antenna by changing the capacitance of the trimming capacitor.

4. The device of claim 16, wherein the at least one component includes a plurality of capacitors configured to be selectively included and selectively excluded from the circuit, and wherein the at least one processor is further configured to adjust a resonant frequency of the primary antenna by selectively including and excluding at least one of the plurality of capacitors from the circuit.

5. The device of claim 15, wherein selecting a capacitance value causes a difference between a first resonant frequency associated with the primary antenna and a second resonant frequency associated with the secondary antenna to be no more than 30% of the first resonant frequency.

6. The device of claim 15, wherein selecting a capacitance value enables at least 50% energy transfer efficiency between the device and the implant unit.