Configuring operating parameters of a medical device based on a type of source of a disruptive energy field
US-9205268-B2 · Dec 8, 2015 · US
Power supply disconnect current measurement for an implantable medical device
US9364673B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9364673-B2 |
| Application number | US-201414502603-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 30, 2014 |
| Priority date | Oct 16, 2013 |
| Publication date | Jun 14, 2016 |
| Grant date | Jun 14, 2016 |
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Abstract
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An implantable medical device (IMD) is disclosed having measurement circuitry for measuring one or more currents in the IMD, such as the currents drawn from various power supply voltages. Such currents are measured without disrupting normal IMD operation, and can be telemetered from the IMD for review. Switching circuitry in line with the current being measured is temporarily opened for a time period to disconnect the power supply voltage from the circuitry being powered. A voltage across a capacitance in parallel with the circuitry is measured when the switching circuitry is opened and again closed at the end of the time period, with the circuitry drawing power from the charged capacitance during this time period. The average current drawn by the power supply voltage is determined using the difference in the measured voltages, the known capacitance, and the time period between the measurements.
First claim
Opening claim text (preview).
What is claimed is: 1. A medical device, comprising: a power supply configured to produce a power supply voltage; a load circuit in parallel with a capacitance, wherein the load circuit comprises one or more circuits configured to draw power from the power supply voltage; a load circuit voltage across the load circuit and the capacitance; switching circuitry configured when closed to connect the power supply voltage to the load circuit voltage to thereby power the load circu…
Assignees
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Classifications
- A61N1/3706Primary
Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
- A61N1/36125Primary
Human Necessities · mapped topic
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Frequently asked questions
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- What does patent US9364673B2 cover?
- An implantable medical device (IMD) is disclosed having measurement circuitry for measuring one or more currents in the IMD, such as the currents drawn from various power supply voltages. Such currents are measured without disrupting normal IMD operation, and can be telemetered from the IMD for review. Switching circuitry in line with the current being measured is temporarily opened for a time …
- Who is the assignee on this patent?
- Boston Scient Neuromodulation
- What technology area does this patent fall under?
- Primary CPC classification A61N1/3706. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Jun 14 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).