Skip to main content
DownloadPatent

United States

US 12,697,232 B2

Biomedical finger assembly with ratcheting lock

US 12,697,232 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-04. Applicant: RCM Enterprise L.L.C. Its PDF downloads from this page without an account, up to 5 a day.

A first-page preview appears here once the PDF has been downloaded.
Applicant
RCM Enterprise L.L.C.
Inventors
Erich Theodore Griebling; Catherine Rocille Treadwell; Bradley Arthur Crittenden
Publication date
2026-08-04
Filing date
2022-12-09
Document type
B2 Granted patent
Also written as
US 12,697,232 B2 · US12697232 · 12697232

Abstract

This disclosure provides systems, apparatuses, and devices for a prosthetic digit usable with persons with amputations at or proximal to the metacarpophalangeal joint. The device restores prehension in a person with missing fingers or thumb by providing opposition to forces in the extension direction via a spring-loaded pawl and locking rack ratchet mechanism, thereby allowing an individual to manipulate or stabilize objects. The digit may be spring-loaded in the extension direction by a torsion spring or other biasing member.…

The opening of the abstract. The full text is in the PDF.

No account needed: 5 free downloads a day (5 left today). Batch downloads and Office Action citations need a free account.

Patent office website: United States Patent and Trademark Office (USPTO)

Look up another patent

Need many patents at once?

Paste a whole list of numbers. DownloadPatent finds the right version of each and packs the PDFs into one ZIP.

Sign up free