US3598113A - Disposable laryngoscope construction - Google Patents

Disposable laryngoscope construction Download PDF

Info

Publication number
US3598113A
US3598113A US766157A US3598113DA US3598113A US 3598113 A US3598113 A US 3598113A US 766157 A US766157 A US 766157A US 3598113D A US3598113D A US 3598113DA US 3598113 A US3598113 A US 3598113A
Authority
US
United States
Prior art keywords
handle
blade
light unit
lamp
light
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
Application number
US766157A
Other languages
English (en)
Inventor
William C Moore
William S Pilgrim
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.)
Welch Allyn Inc
Original Assignee
Welch Allyn Inc
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 Welch Allyn Inc filed Critical Welch Allyn Inc
Application granted granted Critical
Publication of US3598113A publication Critical patent/US3598113A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00103—Constructional details of the endoscope body designed for single use
    • 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
    • A61B1/07—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 using light-conductive means, e.g. optical fibres

Definitions

  • Pace Attorney-Burns & Jenny ABSTRACT A disposable laryngoscope having a unitary plastic blade and handle, The handle is hollow and in use contains a light unit having batteries, a lamp and an operating switch. The light unit is not disposable and is removed for reuse before the blade and handle assembly is thrown away.
  • the disposable part of the instrument includes a fiber optic bundle which carries light from the lamp within the handle to a point near the distal end of the blade.
  • a layrngoscope like any other instrument that enters a body cavity, must be sterilized after each use. This is usually accomplished by autoclaving and this operation has become increasingly expensive due to ever-increasing labor costs. Thus, autoclaving requires that a nurse, technician or other attendant pick up the instrument after use by the doctor, take it to the autoclave, perhaps give it a preliminary cleaning or washing, place the instrument in the autoclave and then after an interval take it out again, etc. Obviously, if the autoclave itself must be started up and turned off after each use, the operation takes even more time. In short, sterilizing an instrument has become so expensive that whenever an instrument can be produced cheaply enough it is more economical to use -a new one each time than to sterilize to permit reuse.
  • the laryngoscope of the prcsenl'invention is comprised of two principal parts: a blade and handle unit that is disposable and a light unit that is not.
  • the blade and handle are preferably made, of plastic.
  • the handle is hollow and is adapted to receive with a free sliding fit the light unit which is not unlike a penlight and comprises a lamp, batteries and an operating switch in a cylindrical case.
  • the light unit is releasably held in the laryngoscope handle by a screwcap that engages the handle open end and can be turned to operate the light unit switch.
  • a preformed bundle of light transmitting optical fibers is carried by the blade and handle unit to conduct light from the light unit lamp within the handle to a point near the distal end ofthe blade.
  • the blade and The fiber bundle eliminates the heat problem caused by a I lamp at the distal end of a blade and is, of course. far safer.
  • the fiber bundle also permits a larger lamp to be used since the lamp is in the handle rather than on the blade, and the available light can he used more cfficiently.
  • FIG. 8 is a transverse sectional view taken on line 8-8 of FIG. 1;
  • FIG. 9 is a fragmentary front elevation of a modified form of the disposable laryngoscope.
  • FIG. 10 is a transverse sectional view taken on line 10-10 of FIG. 9
  • 10 generally indicates the blade and handle unit of the laryngoscope of the invention.
  • This unit comprises a blade 11 and a tubular handle 12 that are integrally connected to provide a one piece or unitary structure.
  • the blade and handle are molded ofa suitable plastic material.
  • the blade 11 is connected to the closed end 14 of the handle and includes a spatula portion 15, a flange portion 16 and a rounded tip 17.
  • the longitudinal axis of the spatula is curved adjacent the handle and then has a substantially straight portion 18 extending to the tip.
  • the flange 16 is connected to one side edge of the spatula and is disposed at right angles to the transverse axis thereof.
  • a subfiange 20 is formed on the outer edge of the flange 16, the transverse axis of the subfiange being substantially perpendicular to the plane of flange 16 and parallel to the transverse axis ofthe spatula.
  • a battery pack-lamp unit is insertable with a sliding fit in the hollow handle, the unit being maintained in the handle by the cap 21.
  • the battery pack-lamp unit also referred to herein as simply the light unit, comprises a cylindrical metal casing 24, a lamp 25, a pushbutton switch 26 and batteries (not shown) that are contained withing the housing.
  • the light unit 22 is constructed and operates essentially like a flashlight or penlight and is not considered to be novel per se.
  • the operating switch 26 is normally spring biased outwardly into an open circuit position. When the switch is pushed inwardly, a circuit is completed through the batteries, lamp, casing, switch and back to the batteries. When the light unit is mounted in the instrument handle, the switch 26 can be actuated to turn the lamp on or off by turning the cap 21 a few degrees in either direction.
  • a shoulder 27 on the unit engages against a shoulder 28 in the handle interior and the lamp 25 is received in a reduced diameter portion 30 of the interior.
  • Light from the lamp is conducted from within the handle to a point near the distal or tip end of the blade by means of a bundle 31 of optical fibers or filaments, the fibers beingofakno wn clad glass or plastic type.
  • Fiber bundle 31 may be preformed by securing the fibers together in the configuration shown in FIG. I, and the opposite ends of the bundles may be optically ground and polished.
  • One end ofthe fiber bundle is substantially cylindrical and is received in a cylindrical opening 32 in the closed end ofthe instrument handle, the opening communicating with the portion 30 of the handle interior so that the bundle receives substantially all of the light that emanates from the light unit lamp 25.
  • the opposite end of the bundle has an oval or rectangular cross section so that it offers a minimum amount of interference to viewing or instrumentation.
  • This end of the bundle terminates at a point between the midlength point ofthe blade and its distal end and is held in position by small lugs 34, FIGS. 1 and 8, integral with the blade.
  • the bundle bends toward the blade flange 16 so that from that point to its distal end substantially all ofthe bundle is positioned beneath and protected by the subfiange 20.
  • the light unit 22 is inserted in the handle and ca?) ZTis engaged with the open end and turned far enough to depress the switch 26 and light the lamp 25.
  • the light from the lamp is transmitted by the fiber bundle 31 with negligible light loss toits distal end from which the light emerges and illuminates the field being examined and/or treated.
  • the light unit is removed from the handle and put aside and the blade and handle unit, including its fiber bundle, is thrown away.
  • the light unit which is not disposable, need not be sterilized because it has been completely enclosed by the handle and has had no contact with the patient. Thus, the need for sterilization of any kind has been eliminated. Moreover, since the blade and handle unit is used but once, its sterile condition can be assured by shipping it from the manufacturer in such condition wrapped in a sealed package.
  • the plastic blade of the disposable laryngoscope of thejnvention is less likely to be injurious to the patients teeth than a metal blade and, as noted above, the fiber bundle arrangement eliminates the need to locate the lamp at the distal end of the blade which is dangerous and produces heat. It was also pointed out that the fiber bundle permits the use ofa larger lamp than can be used by most conventional laryngoscopes. While only one blade shape has been disclosed, it will be apparent that the blade and handle unit can be produced with a variety of blade shapes and sizes for different specific uses ofthe instrument.
  • FIGS. 9 and 10 illustrate a slightly modified form of the invention wherein the blade includes a wall 35 that is parallel to the flange l6 and spaced therefrom to provide an enclosure for the fiber bundle 31'. With this arrangement, the only part of the bundle that is exposed is the light emitting distal end indicated at 36 in H0. 9.
  • a disposable laryngoscope comprising a hollow elongated handle, a blade integrally connected to one end of the handle, and extending therefrom in substantially right angular relationship and of such length as to extend into a larynx being examined, said handle being open at its opposite end, the handle and blade being of a unitary plastic construction, the light unit being fully enclosed with a free slidingfit in the handle, a closure member threaded on the open end of the handle to releasably hold the light unit therein, the closure member coacting with the light unit switch whereby rotation of the former actuates the latter, and a bundle oflight transmitting clad optical fibers extending from a point inside the handle adjacent the light unit lamp to a point spaced therefrom near the distal end of the blade.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Otolaryngology (AREA)
  • Physiology (AREA)
  • Pulmonology (AREA)
  • Endoscopes (AREA)
US766157A 1968-10-09 1968-10-09 Disposable laryngoscope construction Expired - Lifetime US3598113A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76615768A 1968-10-09 1968-10-09

Publications (1)

Publication Number Publication Date
US3598113A true US3598113A (en) 1971-08-10

Family

ID=25075578

Family Applications (1)

Application Number Title Priority Date Filing Date
US766157A Expired - Lifetime US3598113A (en) 1968-10-09 1968-10-09 Disposable laryngoscope construction

Country Status (3)

Country Link
US (1) US3598113A (enrdf_load_stackoverflow)
DE (1) DE6929423U (enrdf_load_stackoverflow)
GB (1) GB1229690A (enrdf_load_stackoverflow)

Cited By (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766909A (en) * 1971-07-20 1973-10-23 A Ozbey Laryngoscope with disposable blade and light guide
US3771514A (en) * 1971-06-29 1973-11-13 Concept Laryngoscope
US3826248A (en) * 1971-09-21 1974-07-30 G Gobels Laryngoscope
US3943920A (en) * 1974-12-06 1976-03-16 Ronald E. Kandel Laryngoscope blade
US3986854A (en) * 1974-09-23 1976-10-19 Vicon Products Corporation Method of making autoclavable instrument with sintered fiber glass rod
US4086919A (en) * 1976-07-09 1978-05-02 Bullard James R Laryngoscope
US4306547A (en) * 1979-11-20 1981-12-22 Lowell James R Rigid fiberoptic laryngoscope
FR2505645A1 (fr) * 1981-05-18 1982-11-19 Heine Optotech Gmbh Co Kg Laryngoscope
WO1983001373A1 (en) * 1981-10-16 1983-04-28 Upsher, Michael, S. A laryngoscope including a separate disposable blade and its methode of use
US4550717A (en) * 1984-04-09 1985-11-05 Karl Berger Throat examination device
US4557256A (en) * 1984-07-23 1985-12-10 Jack Bauman Examination device with an improved blade connection
US4570614A (en) * 1983-05-06 1986-02-18 Jack Bauman Laryngoscope with disposable blade and light conductor
US4573451A (en) * 1984-11-08 1986-03-04 Jack Bauman Laryngoscope blade with a bendable tip
US4583528A (en) * 1984-11-08 1986-04-22 Jack Bauman Examining device with improved optical coupling between the light source and light conductor
US4583527A (en) * 1984-12-24 1986-04-22 Musicant Belmont S Disposable cushioning device for a laryngoscope
US4607623A (en) * 1984-11-08 1986-08-26 Jack Bauman Unitary insert support frame for the handle of an examining device
US4669449A (en) * 1986-02-18 1987-06-02 Jack Bauman Submergible laryngoscope metallic housing for fiber optics power source
US4679547A (en) * 1986-02-19 1987-07-14 Jack Bauman Fluid submersible laryngoscope
US4694822A (en) * 1986-04-01 1987-09-22 Jack Bauman Submergible laryngoscope battery housing
USD298966S (en) 1985-12-02 1988-12-13 BFW, Inc. Nasal retractor
US4905669A (en) * 1987-09-28 1990-03-06 James R. Bullard Laryngoscope
US4947829A (en) * 1988-05-10 1990-08-14 Bullard James R Modular blade laryngoscope
USD312308S (en) 1987-11-25 1990-11-20 Abadir Adel R Laryngoscope blade
USD312500S (en) 1987-11-25 1990-11-27 Abadir Adel R Blade for laryngoscope
US5003963A (en) * 1987-09-28 1991-04-02 James Roger Bullard Laryngoscope
US5095888A (en) * 1990-07-09 1992-03-17 Circon Corporation Intubating stylet for a laryngoscope
US5261392A (en) * 1992-04-03 1993-11-16 Achi Corporation Laryngoscope with interchangeable fiberoptic assembly
US5277173A (en) * 1992-10-09 1994-01-11 Fred Cantele Chemiluminiscent disposable laryngoscope
US5501651A (en) * 1994-06-13 1996-03-26 Bauman; Jack Fluid submersible laryngoscope preventing electrolytic current flow
US5575758A (en) * 1994-10-17 1996-11-19 Vital Signs, Inc. Laryngoscope blade
US5643221A (en) * 1990-05-04 1997-07-01 Bullard; James Roger Controlled targeting laryngoscope
US5772581A (en) * 1997-04-22 1998-06-30 Gaines; James F. Penlight laryngoscope
US5800342A (en) * 1994-03-18 1998-09-01 Lee; Jai S. Method of endotracheal intubation
US5879304A (en) * 1993-11-12 1999-03-09 Truphatek International Ltd. Single use laryngoscope blade
US6217514B1 (en) * 1999-02-05 2001-04-17 Gruhan Technologies, Inc. Laryngoscope
US6623425B2 (en) 2001-07-23 2003-09-23 Cartledge Medical Products, Llc Modified laryngoscope blade to reduce dental injuries during intubation
EP1481631A1 (de) * 2003-05-28 2004-12-01 Heine Optotechnik GmbH & Co. KG Handgriff für ein Laryngoskop
FR2870105A1 (fr) * 2004-05-12 2005-11-18 Gilles Ayoun Laryngoscope
US20060189847A1 (en) * 2003-02-11 2006-08-24 Anaesthesia Airways Pty Limited Single use laryngoscope
FR2887754A1 (fr) * 2005-06-30 2007-01-05 Gilles Ayoun Laryngoscope
US20070129606A1 (en) * 2004-02-29 2007-06-07 Eugeny Pecherer Metal laryngoscope blade
US20070213594A1 (en) * 2006-03-08 2007-09-13 Nguyen Nghia X Laryngoscope for intubation and method of use
US20080004498A1 (en) * 2004-11-23 2008-01-03 Eugeny Pecherer Handheld Penknife-Like Laryngoscope
US20080177147A1 (en) * 2007-01-24 2008-07-24 Jonathan Simons Laryngoscope
US20090187078A1 (en) * 2006-04-27 2009-07-23 Colin Dunlop Light source apparatus
US20090271286A1 (en) * 1996-01-22 2009-10-29 Commerce Technology Licensing, L.L.C. Method and system for customizing marketing services on networks communicating with hypertext tagging conventions
US20100022843A1 (en) * 2007-03-11 2010-01-28 Eugeny Pecherer Laryngoscopes and rechargeable illumination units for use therewith
US20100036204A1 (en) * 2008-08-05 2010-02-11 Fridolin Anders Laryngoscope Spatula
US20100041953A1 (en) * 2004-02-29 2010-02-18 Truphatek International Ltd., Metal laryngoscope blade with illumination assembly
US20110060190A1 (en) * 2007-08-07 2011-03-10 Truphatek International Ltd. Laryngoscope apparatus with enhanced viewing capability
US20110245805A1 (en) * 2010-04-05 2011-10-06 Intuitive Surgical Operations, Inc. Curved cannula
US20120029293A1 (en) * 2010-07-30 2012-02-02 Vasan Nilesh R Disposable, Self-Contained Laryngoscope and Method of Using Same
GB2497349A (en) * 2011-12-09 2013-06-12 Intersurgical Ag Laryngoscope with moulded cover
US8512234B2 (en) 2011-04-07 2013-08-20 Truphatek International Ltd. Laryngoscope assembly with enhanced viewing capability
US20140228645A1 (en) * 2013-02-13 2014-08-14 Idean Ahmad Pourshams Laryngoscope blade
US20140316206A1 (en) * 2010-07-30 2014-10-23 Nilesh R. Vasan Disposable, self-contained laryngoscope and method of using same
US20140336466A1 (en) * 2008-10-30 2014-11-13 Indian Ocean Medical Inc. Guiding device for use with laryngoscope
WO2014150077A3 (en) * 2013-03-15 2014-12-04 Lucent Medical Systems, Inc. Partially disposable endoscopic device
US10244922B2 (en) 2013-09-03 2019-04-02 Truphatek International Ltd. Single use laryngoscope handle for use in dual component laryngoscope assembly
US20190117042A1 (en) * 2017-10-19 2019-04-25 Obp Medical Corporation Medical devices with battery removal
USD862696S1 (en) 2018-07-30 2019-10-08 Teleflex Medical Incorporated Laryngoscope blade
USD863555S1 (en) 2018-07-30 2019-10-15 Teleflex Medical Incorporated Laryngoscope blade
USD876625S1 (en) 2018-08-07 2020-02-25 Adroit Surgical, Llc Laryngoscope
US20230078051A1 (en) * 2021-09-14 2023-03-16 Medsource International Llc Disposable screw cap for disposable laryngoscope
US12185923B2 (en) 2019-03-14 2025-01-07 Teleflex Medical Incorporated Universal laryngoscope blade for both conventional handles and fiber-illuminated handles

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2533158B (en) * 2014-12-12 2017-02-22 Tsai Yih-Chiou Laryngoscope handle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2358867A (en) * 1942-01-13 1944-09-26 Edward K Madan Flashlight
US2885537A (en) * 1955-05-26 1959-05-05 Jr Elwood S Wood Illuminated surgical and dental instruments
US3016785A (en) * 1957-05-20 1962-01-16 Narinder S Kapany Method and means for transmitting images through a bundle of transparent fibers
US3384076A (en) * 1966-11-14 1968-05-21 Propper Mfg Co Inc Otoscope head
US3417746A (en) * 1968-02-27 1968-12-24 Welch Allyn Inc Illuminating endoscope with disposable elements
US3426749A (en) * 1965-05-20 1969-02-11 Longworth Scient Instr Co Ltd Disposable cover for laryngoscope blade

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2358867A (en) * 1942-01-13 1944-09-26 Edward K Madan Flashlight
US2885537A (en) * 1955-05-26 1959-05-05 Jr Elwood S Wood Illuminated surgical and dental instruments
US3016785A (en) * 1957-05-20 1962-01-16 Narinder S Kapany Method and means for transmitting images through a bundle of transparent fibers
US3426749A (en) * 1965-05-20 1969-02-11 Longworth Scient Instr Co Ltd Disposable cover for laryngoscope blade
US3384076A (en) * 1966-11-14 1968-05-21 Propper Mfg Co Inc Otoscope head
US3417746A (en) * 1968-02-27 1968-12-24 Welch Allyn Inc Illuminating endoscope with disposable elements

Cited By (97)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771514A (en) * 1971-06-29 1973-11-13 Concept Laryngoscope
US3766909A (en) * 1971-07-20 1973-10-23 A Ozbey Laryngoscope with disposable blade and light guide
US3826248A (en) * 1971-09-21 1974-07-30 G Gobels Laryngoscope
US3986854A (en) * 1974-09-23 1976-10-19 Vicon Products Corporation Method of making autoclavable instrument with sintered fiber glass rod
US3943920A (en) * 1974-12-06 1976-03-16 Ronald E. Kandel Laryngoscope blade
US4086919A (en) * 1976-07-09 1978-05-02 Bullard James R Laryngoscope
US4306547A (en) * 1979-11-20 1981-12-22 Lowell James R Rigid fiberoptic laryngoscope
FR2505645A1 (fr) * 1981-05-18 1982-11-19 Heine Optotech Gmbh Co Kg Laryngoscope
WO1983001373A1 (en) * 1981-10-16 1983-04-28 Upsher, Michael, S. A laryngoscope including a separate disposable blade and its methode of use
US4570614A (en) * 1983-05-06 1986-02-18 Jack Bauman Laryngoscope with disposable blade and light conductor
US4550717A (en) * 1984-04-09 1985-11-05 Karl Berger Throat examination device
US4557256A (en) * 1984-07-23 1985-12-10 Jack Bauman Examination device with an improved blade connection
US4573451A (en) * 1984-11-08 1986-03-04 Jack Bauman Laryngoscope blade with a bendable tip
US4583528A (en) * 1984-11-08 1986-04-22 Jack Bauman Examining device with improved optical coupling between the light source and light conductor
US4607623A (en) * 1984-11-08 1986-08-26 Jack Bauman Unitary insert support frame for the handle of an examining device
US4583527A (en) * 1984-12-24 1986-04-22 Musicant Belmont S Disposable cushioning device for a laryngoscope
USD298966S (en) 1985-12-02 1988-12-13 BFW, Inc. Nasal retractor
US4669449A (en) * 1986-02-18 1987-06-02 Jack Bauman Submergible laryngoscope metallic housing for fiber optics power source
US4729367A (en) * 1986-02-18 1988-03-08 Jack Bauman Submergible laryngoscope with handle fluid sealing means
US4679547A (en) * 1986-02-19 1987-07-14 Jack Bauman Fluid submersible laryngoscope
US4694822A (en) * 1986-04-01 1987-09-22 Jack Bauman Submergible laryngoscope battery housing
US4905669A (en) * 1987-09-28 1990-03-06 James R. Bullard Laryngoscope
US5003963A (en) * 1987-09-28 1991-04-02 James Roger Bullard Laryngoscope
USD312308S (en) 1987-11-25 1990-11-20 Abadir Adel R Laryngoscope blade
USD312500S (en) 1987-11-25 1990-11-27 Abadir Adel R Blade for laryngoscope
US4947829A (en) * 1988-05-10 1990-08-14 Bullard James R Modular blade laryngoscope
US5643221A (en) * 1990-05-04 1997-07-01 Bullard; James Roger Controlled targeting laryngoscope
US5095888A (en) * 1990-07-09 1992-03-17 Circon Corporation Intubating stylet for a laryngoscope
US5261392A (en) * 1992-04-03 1993-11-16 Achi Corporation Laryngoscope with interchangeable fiberoptic assembly
US5277173A (en) * 1992-10-09 1994-01-11 Fred Cantele Chemiluminiscent disposable laryngoscope
US5879304A (en) * 1993-11-12 1999-03-09 Truphatek International Ltd. Single use laryngoscope blade
US5800342A (en) * 1994-03-18 1998-09-01 Lee; Jai S. Method of endotracheal intubation
US5840013A (en) * 1994-03-18 1998-11-24 Lee; Jai S. Method of introducing a tubular member at a site in the body
US5501651A (en) * 1994-06-13 1996-03-26 Bauman; Jack Fluid submersible laryngoscope preventing electrolytic current flow
US5575758A (en) * 1994-10-17 1996-11-19 Vital Signs, Inc. Laryngoscope blade
US20090271286A1 (en) * 1996-01-22 2009-10-29 Commerce Technology Licensing, L.L.C. Method and system for customizing marketing services on networks communicating with hypertext tagging conventions
US5772581A (en) * 1997-04-22 1998-06-30 Gaines; James F. Penlight laryngoscope
US6217514B1 (en) * 1999-02-05 2001-04-17 Gruhan Technologies, Inc. Laryngoscope
US6623425B2 (en) 2001-07-23 2003-09-23 Cartledge Medical Products, Llc Modified laryngoscope blade to reduce dental injuries during intubation
US7044910B2 (en) 2001-07-23 2006-05-16 Cartledge Medical Products, Inc. Modified laryngoscope blade to reduce dental injuries during intubation
US20040034281A1 (en) * 2001-07-23 2004-02-19 Richard Cartledge Modified laryngoscope blade to reduce dental injuries during intubation
US20060189847A1 (en) * 2003-02-11 2006-08-24 Anaesthesia Airways Pty Limited Single use laryngoscope
US7878973B2 (en) * 2003-02-11 2011-02-01 Anaesthesia Airways Pty Limited Single use laryngoscope
EP1481631A1 (de) * 2003-05-28 2004-12-01 Heine Optotechnik GmbH & Co. KG Handgriff für ein Laryngoskop
US8142353B2 (en) 2004-02-29 2012-03-27 Truphatek International Ltd. Metal laryngoscope blade with illumination assembly
US20070129606A1 (en) * 2004-02-29 2007-06-07 Eugeny Pecherer Metal laryngoscope blade
US20100041953A1 (en) * 2004-02-29 2010-02-18 Truphatek International Ltd., Metal laryngoscope blade with illumination assembly
US7736304B2 (en) 2004-02-29 2010-06-15 Truphatek International Ltd. Metal laryngoscope blade
FR2870105A1 (fr) * 2004-05-12 2005-11-18 Gilles Ayoun Laryngoscope
US7909759B2 (en) 2004-11-23 2011-03-22 Truphatek International Ltd Handheld penknife-like laryngoscope
US20080004498A1 (en) * 2004-11-23 2008-01-03 Eugeny Pecherer Handheld Penknife-Like Laryngoscope
US20080200766A1 (en) * 2005-06-30 2008-08-21 Gilles Ayoun Laryngoscope
FR2887754A1 (fr) * 2005-06-30 2007-01-05 Gilles Ayoun Laryngoscope
US8114015B2 (en) 2005-06-30 2012-02-14 Gilles Ayoun Laryngoscope
WO2007003747A1 (fr) * 2005-06-30 2007-01-11 Gilles Ayoun Laryngoscope
US20070213594A1 (en) * 2006-03-08 2007-09-13 Nguyen Nghia X Laryngoscope for intubation and method of use
US20090187078A1 (en) * 2006-04-27 2009-07-23 Colin Dunlop Light source apparatus
US20160317005A1 (en) * 2006-04-27 2016-11-03 Colin Dunlop Light source apparatus
US20100191061A1 (en) * 2007-01-24 2010-07-29 Zeppelin Designs Inc. Laryngoscope with disposable blade cover
US20080177147A1 (en) * 2007-01-24 2008-07-24 Jonathan Simons Laryngoscope
US7695433B2 (en) 2007-01-24 2010-04-13 Zeppelin Designs, Inc. Laryngoscope with disposable blade cover
US8162826B2 (en) 2007-03-11 2012-04-24 Truphatek International Ltd. Laryngoscopes and rechargeable illumination units for use therewith
US20100022843A1 (en) * 2007-03-11 2010-01-28 Eugeny Pecherer Laryngoscopes and rechargeable illumination units for use therewith
US20110060190A1 (en) * 2007-08-07 2011-03-10 Truphatek International Ltd. Laryngoscope apparatus with enhanced viewing capability
US8251898B2 (en) 2007-08-07 2012-08-28 Truphatek International Ltd Laryngoscope apparatus with enhanced viewing capability
US20100036204A1 (en) * 2008-08-05 2010-02-11 Fridolin Anders Laryngoscope Spatula
US8267856B2 (en) 2008-08-05 2012-09-18 Karl Storz Gmbh & Co. Kg Laryngoscope spatula
US9078615B2 (en) * 2008-10-30 2015-07-14 Indian Ocean Medical Inc. Guiding device for use with laryngoscope
US20140336466A1 (en) * 2008-10-30 2014-11-13 Indian Ocean Medical Inc. Guiding device for use with laryngoscope
US20110245805A1 (en) * 2010-04-05 2011-10-06 Intuitive Surgical Operations, Inc. Curved cannula
US8343045B2 (en) * 2010-04-05 2013-01-01 Intuitive Surgical Operations, Inc. Curved cannula
US8888690B2 (en) 2010-04-05 2014-11-18 Intuitive Surgical Operations, Inc. Curved cannula
US20140316206A1 (en) * 2010-07-30 2014-10-23 Nilesh R. Vasan Disposable, self-contained laryngoscope and method of using same
US9289114B2 (en) * 2010-07-30 2016-03-22 Nilesh R. Vasan Disposable, self-contained laryngoscope and method of using same
US9386915B2 (en) * 2010-07-30 2016-07-12 Nilesh R. Vasan Disposable, self-contained laryngoscope and method of using same
US20120029293A1 (en) * 2010-07-30 2012-02-02 Vasan Nilesh R Disposable, Self-Contained Laryngoscope and Method of Using Same
US11478139B2 (en) 2010-07-30 2022-10-25 Adroit Surgical, Llc Disposable, self-contained laryngoscope and method of using same
US8512234B2 (en) 2011-04-07 2013-08-20 Truphatek International Ltd. Laryngoscope assembly with enhanced viewing capability
CN104093350A (zh) * 2011-12-09 2014-10-08 英特外科股份公司 喉镜
WO2013083836A1 (en) * 2011-12-09 2013-06-13 Intersurgical Ag Laryngoscope
GB2497349A (en) * 2011-12-09 2013-06-12 Intersurgical Ag Laryngoscope with moulded cover
US9924858B2 (en) 2011-12-09 2018-03-27 Intersurgical Ag Laryngoscope
US20140228645A1 (en) * 2013-02-13 2014-08-14 Idean Ahmad Pourshams Laryngoscope blade
WO2014150077A3 (en) * 2013-03-15 2014-12-04 Lucent Medical Systems, Inc. Partially disposable endoscopic device
US11219353B2 (en) 2013-09-03 2022-01-11 Truphatek International Ltd. Single use laryngoscope handle for use in dual component laryngoscope assembly
US10244922B2 (en) 2013-09-03 2019-04-02 Truphatek International Ltd. Single use laryngoscope handle for use in dual component laryngoscope assembly
US10441155B2 (en) * 2017-10-19 2019-10-15 Obp Medical Corporation Medical devices with battery removal
US20200022574A1 (en) * 2017-10-19 2020-01-23 Obp Medical Corporation Medical devices with battery removal
US10912455B2 (en) * 2017-10-19 2021-02-09 Obp Medical Corporation Medical devices with battery removal
US20190117042A1 (en) * 2017-10-19 2019-04-25 Obp Medical Corporation Medical devices with battery removal
US12383129B2 (en) 2017-10-19 2025-08-12 Coopersurgical, Inc. Medical devices with battery removal
USD862696S1 (en) 2018-07-30 2019-10-08 Teleflex Medical Incorporated Laryngoscope blade
USD863555S1 (en) 2018-07-30 2019-10-15 Teleflex Medical Incorporated Laryngoscope blade
USD876625S1 (en) 2018-08-07 2020-02-25 Adroit Surgical, Llc Laryngoscope
US12185923B2 (en) 2019-03-14 2025-01-07 Teleflex Medical Incorporated Universal laryngoscope blade for both conventional handles and fiber-illuminated handles
US20230078051A1 (en) * 2021-09-14 2023-03-16 Medsource International Llc Disposable screw cap for disposable laryngoscope
US12303103B2 (en) * 2021-09-14 2025-05-20 Medsource International Llc Disposable screw cap for disposable laryngoscope

Also Published As

Publication number Publication date
DE1937817A1 (de) 1970-04-02
GB1229690A (enrdf_load_stackoverflow) 1971-04-28
DE6929423U (de) 1973-07-05
DE1937817B2 (enrdf_load_stackoverflow) 1971-03-18

Similar Documents

Publication Publication Date Title
US3598113A (en) Disposable laryngoscope construction
US3766909A (en) Laryngoscope with disposable blade and light guide
US5165387A (en) Endoscope with disposable light
US4306547A (en) Rigid fiberoptic laryngoscope
US3848587A (en) Ear, nose and throat examining instrument
US4006738A (en) Otoscope construction
US4809678A (en) Endoscope for preventing patient contamination
US4854302A (en) Video equipped endoscope with needle probe
US3986854A (en) Method of making autoclavable instrument with sintered fiber glass rod
US5060633A (en) Laryngoscope blade
US5356407A (en) Ophthalmic surgery probe assembly
US4979900A (en) Root canal sterilization method
GB1526228A (en) Electrically illuminated medical diagnostic instruments
WO1996021392A1 (en) Vaginal fornix illuminator
GB1254903A (en) Improvements relating to surgical diagnostic instruments
US7740477B2 (en) Dental device for the investigation of the optical properties of tooth tissue
US3728998A (en) Otoscope
US6116899A (en) Dental probe for measuring and exploring the depth of a blind pocket formed around a tooth
US6406293B1 (en) Hand-held dental transilluminating device
NZ524450A (en) Suction tip for use in a dental suction tool
US6454045B1 (en) Stethoscope with optical fiber light
JP3607843B2 (ja) 内視鏡
US5951463A (en) Hand-held endoscopic viewing system
JP3151009B2 (ja) モニター機能付歯科用治療器具
JP2001061760A (ja) カバーシース式硬性内視鏡