Patent · US Active

Biopsy device with variable speed cutter advance

US8313444B2 · kind B2 · utility

112Cited by

41References

13Claims

0Family size

Assignee

Devicor Medical Products, Inc. · US

Inventors

Bennie Thompson · Blue Ash, US
Beth McCombs · Sharon, US
John Hunt · Cincinnati, US
John Kretcham · Cincinnati, US
John A. Hibner · Maineville, US

Key dates

Filing date	Dec 9, 2010
Grant date	Nov 20, 2012
Priority date	—
Expiry date	Feb 1, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2017/00398
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A biopsy device having a translating and rotating cutter is disclosed. The translational speed of the cutter is varied using a variable pitch member. The variable pitch member can include a shaft having a relatively coarse threaded portion for rapid cutter advance and a relatively finer threaded portion for cutter advance during tissue severing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.