US1606861A - Gastroscope - Google Patents
Gastroscope Download PDFInfo
- Publication number
- US1606861A US1606861A US679495A US67949523A US1606861A US 1606861 A US1606861 A US 1606861A US 679495 A US679495 A US 679495A US 67949523 A US67949523 A US 67949523A US 1606861 A US1606861 A US 1606861A
- Authority
- US
- United States
- Prior art keywords
- shank
- gastroscope
- tube
- glow lamp
- diameter
- 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 - Lifetime
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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
- A61B1/273—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 for the upper alimentary canal, e.g. oesophagoscopes, gastroscopes
- A61B1/2736—Gastroscopes
Definitions
- the present invention affords more taand having a window g. rlhe tube o and vourable conditions with respect to the di- ,the protecting sleeve f form together that ameter ot the shank without the necespart ot the gastroscope which has been de- Z5 sity oi renouncing the desired luminosityT noted above as the shank.
- one imthe tube a. parts to the part ot the shank enclosing the I claim: glow lamp a larger inner and outer diln a gastroscope a shank, a tube containameter than to the part lying between this ing optical elements and being difiposed part and the ocular and of the gastroscope within the said shank, a glow lamp fitted so that in the enlarged part ot the shank in the said shank at one end, that partof there is sutlicient room for a larger glow the shank, which encloses the said glow lamp and that for the periscope and the lamp, having a larger outer and inner di partot the shank enclosing it a smaller ameter than the remaining part of the 30 40 diameter than hitherto may be chosen.
- glow lamp a larger inner and outer diln a gastroscope a shank, a tube containameter than to the part lying between this ing optical elements and being difiposed part and the ocular and of the gastro
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Physics & Mathematics (AREA)
- Gastroenterology & Hepatology (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Description
Nov.'16 1926.
` G. WOLF GASTROSCOPE Filed Dec. B. 1923 Patented Nov, 16, 1925.
uNiTEn STATES PATENT ortica.
GEoRG WOLF, E BERLIN, GERMANY, AssrGNoR To THE ETRM 0E GEORG WoLE, G. M. E. H., or BERLIN, GERMANY.
GASTROSCOPE.
Application filed December 8, 1923, Serial No. 679,495, and in Germany December 14, 1922.
llfhen manufacturing gastroscopes it pear to be inferior to the former one, it has should be endeavoured to keep the diameter been proved that for practical use it is prei!- of the shank as small as possible in order erable, instead ot' imparting to the shank that the shank can be easily introduced and the same diameter for its whole lengt-h, to 4 5 that it gives. the least possible trouble atter reinforce it tor a short section and on the its introduction. This endeavour can, of other hand to keep it for the rest thinner course, only be complied with in so Ytar as it than hithertois admitted by the equipment which is to The annexed drawing shows as a conbe inserted into the outer tube and which structional example a i'ront view ot a gas- 50 l0 particularly comprises the periscope tit-ted troseope according to the invention. The with the optical parts. lLlowever, with a apparatus illustrated contains an outer tube view to rendering the periscope as luminous a` into which is inserted a perisoope Z) proas possible, its diameter has been chosen as vided with an ocular o. At its ocular end large as possible. so that the diameter ot the the tube a carries a flange CZ, whilst at the l5 shank was still so large that its reduction end to be introduced into the stomach appeared desirable. 1Wit-h the construction (lower end) it has an aperture e which al form hitherto used, such al reduction was, serves as a. light entrance opening for the however, impossible unless one should have periscope. idjoining to the bottom end to be satislied with a smaller luminosity of the tube a to which is ixed a glow lamp' 60 20 than desired of the image afforded by the not visible in the drawing, there is a properiscope. tecting sleeve` f, enc-losing the glow lamp The present invention affords more taand having a window g. rlhe tube o and vourable conditions with respect to the di- ,the protecting sleeve f form together that ameter ot the shank without the necespart ot the gastroscope which has been de- Z5 sity oi renouncing the desired luminosityT noted above as the shank. According to of the image, by contenting oneself with a the invention to the part of the shank ensmaller luminosity ot the periscope than it closing the glow lamp, viz, the protecting has hitherto been deemed necessary, and by sleeve f, a larger diameter has been imexcessively increasing the luminosity vot the parted than to the part of the shank lying :io glow lamp. In Order to attain this Qbject, between this sleeve and the ocular end, viz,
according to the present invention one imthe tube a. parts to the part ot the shank enclosing the I claim: glow lamp a larger inner and outer diln a gastroscope a shank, a tube containameter than to the part lying between this ing optical elements and being difiposed part and the ocular and of the gastroscope within the said shank, a glow lamp fitted so that in the enlarged part ot the shank in the said shank at one end, that partof there is sutlicient room for a larger glow the shank, which encloses the said glow lamp and that for the periscope and the lamp, having a larger outer and inner di partot the shank enclosing it a smaller ameter than the remaining part of the 30 40 diameter than hitherto may be chosen. Alsame.
though at lirst this modification might ap GEORG lli LF.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1606861X | 1922-12-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
US1606861A true US1606861A (en) | 1926-11-16 |
Family
ID=7737019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US679495A Expired - Lifetime US1606861A (en) | 1922-12-14 | 1923-12-08 | Gastroscope |
Country Status (1)
Country | Link |
---|---|
US (1) | US1606861A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4858595A (en) * | 1987-12-18 | 1989-08-22 | Gerhard Buess | Mediastinoscope |
-
1923
- 1923-12-08 US US679495A patent/US1606861A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4858595A (en) * | 1987-12-18 | 1989-08-22 | Gerhard Buess | Mediastinoscope |
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