Patent · US Expired

Vertebrae demonstration apparatus

US4624642A · kind A · utility

13Cited by
3References
7Claims
0Family size

Inventor

Key dates

Filing dateMar 18, 1985
Grant dateNov 25, 1986
Priority date—
Expiry dateMar 18, 2005

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09B23/34
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A metal panel carries views depicting a human spine. A plurality of movable pieces corresponding in shape to vertebrae or disks depicted on the panel are provided with magnet means, so that the pieces may be placed to overlie vertebrae areas on the panel to illustrate normal spinal conditions, and may be shifted on the panel to illustrate abnormal conditions.

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