Medical diagnostic instruments
US3978850A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 24, 1975 |
| Grant date | Sep 7, 1976 |
| Priority date | — |
| Expiry date | Mar 24, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/227
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A novel construction for electrically illuminated medical diagnostic instruments, particularly otoscopes and ophthalmoscopes. The invention fills a need for instruments that are relatively low cost and yet of good quality, the lower cost being achieved in part by the materials used and in part by the ease with which the components can be assembled. In addition to being economical, the instruments disclosed are easy to use and maintain. They are lightweight and compact, and for ease of maintenance are provided with an easily removable light source unit in which the lamp and batteries are mounted. This greatly facilitates changing these expendable items when such becomes necessary. PAC BACKGROUND OF THE INVENTION This invention relates generally to medical instruments, and has particular reference to a novel construction for electrically illuminated diagnostic instruments such as otoscopes and ophthalmoscopes. Heretofore, medical diagnostic instruments such as otoscopes and ophthalmoscopes have usually been built for durability as well as quality and to this end have been constructed with precisely machined stainless steel and/or chrome plated parts and high grade optical components.…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.