GB375491A - Improvements in laryngoscopes and the like - Google Patents

Improvements in laryngoscopes and the like

Info

Publication number
GB375491A
GB375491A GB1377331A GB1377331A GB375491A GB 375491 A GB375491 A GB 375491A GB 1377331 A GB1377331 A GB 1377331A GB 1377331 A GB1377331 A GB 1377331A GB 375491 A GB375491 A GB 375491A
Authority
GB
United Kingdom
Prior art keywords
projectors
laryngoscopes
schranz
london
housings
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
Application number
GB1377331A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB1377331A priority Critical patent/GB375491A/en
Publication of GB375491A publication Critical patent/GB375491A/en
Expired legal-status Critical Current

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
    • A61B1/267—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 respiratory tract, e.g. laryngoscopes, bronchoscopes
    • 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
    • A61B1/06—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 with illuminating arrangements
    • A61B1/0661—Endoscope light sources
    • A61B1/0669—Endoscope light sources at proximal end of an endoscope

Abstract

375,491. Lamps for laryngoscopes. SCHRANZ, R., 28A, Devonshire Street. London. May 9, 1931, No. 13773. [Class 75 (iv).] A light-projecting unit for illuminating the distal end of a laryngoscope comprises a pair of projectors 1 adapted for insertion in housings 3 situated alongside the body 2 of the instrument and opening thereinto, the optical axes of the projectors being arranged to intersect the longitudinal axis of the body 2 at a point within the trough 6.
GB1377331A 1931-05-09 1931-05-09 Improvements in laryngoscopes and the like Expired GB375491A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1377331A GB375491A (en) 1931-05-09 1931-05-09 Improvements in laryngoscopes and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1377331A GB375491A (en) 1931-05-09 1931-05-09 Improvements in laryngoscopes and the like

Publications (1)

Publication Number Publication Date
GB375491A true GB375491A (en) 1932-06-30

Family

ID=10029086

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1377331A Expired GB375491A (en) 1931-05-09 1931-05-09 Improvements in laryngoscopes and the like

Country Status (1)

Country Link
GB (1) GB375491A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637317A (en) * 1951-04-13 1953-05-05 Welch Allyn Inc Binocular vision diagnostic instrument
FR2505165A1 (en) * 1981-05-07 1982-11-12 Becuwe Bernard Tongue depressing spatula for use with laryngoscope - has pair of longitudinal tubes fixed to edges to permit passage of optical fibres
US4527553A (en) * 1980-04-28 1985-07-09 Upsher Michael S Laryngoscope with improved light source
US4799485A (en) * 1987-06-11 1989-01-24 Pilling Co. Neonatal subglottiscope set
US6196968B1 (en) * 1997-06-02 2001-03-06 General Surgical Innovations, Inc. Direct vision subcutaneous tissue retractor and method for use
WO2011052558A1 (en) * 2009-11-02 2011-05-05 公立大学法人名古屋市立大学 Pharynx expander

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637317A (en) * 1951-04-13 1953-05-05 Welch Allyn Inc Binocular vision diagnostic instrument
US4527553A (en) * 1980-04-28 1985-07-09 Upsher Michael S Laryngoscope with improved light source
FR2505165A1 (en) * 1981-05-07 1982-11-12 Becuwe Bernard Tongue depressing spatula for use with laryngoscope - has pair of longitudinal tubes fixed to edges to permit passage of optical fibres
US4799485A (en) * 1987-06-11 1989-01-24 Pilling Co. Neonatal subglottiscope set
US6196968B1 (en) * 1997-06-02 2001-03-06 General Surgical Innovations, Inc. Direct vision subcutaneous tissue retractor and method for use
WO2011052558A1 (en) * 2009-11-02 2011-05-05 公立大学法人名古屋市立大学 Pharynx expander
EP2497407A1 (en) * 2009-11-02 2012-09-12 Nagoya City University Pharynx expander
EP2497407A4 (en) * 2009-11-02 2013-04-17 Univ Nagoya City Pharynx expander
JP5733726B2 (en) * 2009-11-02 2015-06-10 公立大学法人名古屋市立大学 Larynx enlargement tool

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