Home
gpo.gov
govinfo.gov

e-CFR Navigation Aids

Browse

Simple Search

Advanced Search

 — Boolean

 — Proximity

 

Search History

Search Tips

Corrections

Latest Updates

User Info

FAQs

Agency List

Incorporation By Reference

eCFR logo

Related Resources

Electronic Code of Federal Regulations

We invite you to try out our new beta eCFR site at https://ecfr.federalregister.gov. We have made big changes to make the eCFR easier to use. Be sure to leave feedback using the Help button on the bottom right of each page!

e-CFR data is current as of September 17, 2020

Title 21Chapter ISubchapter HPart 890Subpart B → §890.1225


Title 21: Food and Drugs
PART 890—PHYSICAL MEDICINE DEVICES
Subpart B—Physical Medicine Diagnostic Devices


§890.1225   Chronaximeter.

(a) Identification. A chronaximeter is a device intended for medical purposes to measure neuromuscular excitability by means of a strength-duration curve that provides a basis for diagnosis and prognosis of neurological dysfunction.

(b) Classification. Class II (performance standards).

Need assistance?