Tap any paragraph to write a margin note. Your notes collect in the Desk below the text and file under cases with @. The side-by-side margin rail opens on a larger screen.

§
Marginalia
Code · CFR · Title 21 — Food and Drugs · Part 870 — Cardiovascular Devices · § 870.2770

§ 870.2770. Impedance plethysmograph.

95 words·~1 min read·/us/cfr/t21/s§ 870.2770·

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

(a)Identification. An impedance plethysmograph is a device used to estimate peripheral blood flow by measuring electrical impedance changes in a region of the body such as the arms and legs.
(b)Classification. Class II (special controls). The device, when it is a body composition analyzer which is not intended to diagnose or treat any medical condition, is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 870.9. [45 FR 7907, Feb. 5, 1980, as amended at 84 FR 71812, Dec. 30, 2019]
Connections1 cite this
Cited by 1 section
Citation graph
cites case law
§ 870.2770
Impedance plethysmograph.
Fed. Reg.×1
Cites 0Cited by 1 across 1 source
★   the supreme law of the land   ★
Don't Tread on Me
E Pluribus Unum — out of many, one

"If you don't know your rights, you don't have any."

Marginalia · a citizen's law index
A research desk, not legal advice. Always read the cited source before relying on a summary.
Questions or an issue? support@self-law.org
disclaimerMarginalia is a research index, not a law firm. Nothing on this site is legal, tax, or financial advice and no attorney–client relationship is formed by using it. Statutes, regulations, and case law change; summaries, search results, AI output, and member posts may be incomplete, out of date, or wrong. Any interpretation drawn from material on this site should be validated by a licensed attorney in your jurisdiction before you act on it.