GB446350A - Improvements in ophthalmoscopes, auriscopes and other portable instruments having small electric lamps - Google Patents
Improvements in ophthalmoscopes, auriscopes and other portable instruments having small electric lampsInfo
- Publication number
- GB446350A GB446350A GB3459634A GB3459634A GB446350A GB 446350 A GB446350 A GB 446350A GB 3459634 A GB3459634 A GB 3459634A GB 3459634 A GB3459634 A GB 3459634A GB 446350 A GB446350 A GB 446350A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ophthalmoscopes
- auriscopes
- handle
- cap
- small electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00025—Operational features of endoscopes characterised by power management
- A61B1/00027—Operational features of endoscopes characterised by power management characterised by power supply
- A61B1/00032—Operational features of endoscopes characterised by power management characterised by power supply internally powered
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Abstract
446,350. Ophthalmoscopes &c. SMITH & SON (GLASGOW), Ltd., 57, St. Vincent Street, and GRINTON, R., 28, Gibson Street, Hillhead, both in Glasgow. Dec. 1, 1934, No. 34596. [Class 97 (i)] Relates to ophthalmoscopes, auriscopes, &c. having small electric lamps of low voltage, and provided with a handle adapted to receive cells for energizing the lamp. According to the invention, in order to enable the cells to be withdrawn and the lamp to be illuminated from the mains there is provided a transformer b adapted to be connected to the mains, the secondary of the transformer being connected by a flexible lead d to a cap e screwing on to the end of the handle a. The cap carries a tubular member f extending along the handle and containing a spring-mounted I contact member g connected to one wire of the lead d. The cap e may be adapted to fit handles of different diameters, for example by providing it with a number of threaded rings el, e<2>. Specification 438,990 is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3459634A GB446350A (en) | 1934-12-01 | 1934-12-01 | Improvements in ophthalmoscopes, auriscopes and other portable instruments having small electric lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3459634A GB446350A (en) | 1934-12-01 | 1934-12-01 | Improvements in ophthalmoscopes, auriscopes and other portable instruments having small electric lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB446350A true GB446350A (en) | 1936-04-29 |
Family
ID=10367606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3459634A Expired GB446350A (en) | 1934-12-01 | 1934-12-01 | Improvements in ophthalmoscopes, auriscopes and other portable instruments having small electric lamps |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB446350A (en) |
-
1934
- 1934-12-01 GB GB3459634A patent/GB446350A/en not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB446350A (en) | Improvements in ophthalmoscopes, auriscopes and other portable instruments having small electric lamps | |
| GB502331A (en) | Improvements in oesophagoscopes | |
| US1820027A (en) | Lamp | |
| GB521613A (en) | Improvements in, or relating to, electric torches | |
| GB536657A (en) | Improvements in electric battery torches in which the bulb comes directly into contact with the two contact blades of the battery | |
| GB484331A (en) | Improvements relating to toothbrushes | |
| GB463778A (en) | Self-illuminating magnifier | |
| US3071682A (en) | Attachment for diagnostic instrument | |
| GB407198A (en) | An appliance for use in examining the mouth and antrum for use in operating in the mouth | |
| GB738019A (en) | Improvements in or relating to inspection lamps | |
| GB461009A (en) | Improvements in or relating to electric lamp holders | |
| GB420997A (en) | Improvements in or relating to electric torch and like battery containers | |
| GB409906A (en) | Improvements in removable false end caps or adapters for electric lamps | |
| GB512582A (en) | Improvements in or relating to illuminated magnifying devices | |
| GB429394A (en) | Improvements in and relating to lead or like holders for drawing instruments | |
| GB465309A (en) | Improvements in or relating to small transformers, more particularly for electric lamp fittings | |
| GB400469A (en) | Electric igniter, adapted also for use for pyroengraving, thermocauterising and similar purposes | |
| GB433260A (en) | Improvements in electric lamps and discharge vessels | |
| GB450008A (en) | Improvements in electric lamp sockets | |
| GB441097A (en) | Electric torch | |
| GB436812A (en) | Improvements in or relating to luminous electric discharge tubes | |
| GB281542A (en) | Improvements in therapeutic light-radiating appliances | |
| GB386540A (en) | Electric connection device | |
| GB393528A (en) | Illuminating fitting for tubular pocket microscopes | |
| GB379090A (en) | Improvements in or relating to thermionic valve holders |