Abstract: Provided is a laryngeal stroboscope using voice signals. The laryngeal stroboscope includes a photography unit for photographing a patient's vocal cords and a light source for illuminating a part to be photographed, a microphone for sensing the patient's voice, a high-pass filter for passing voice signals of 100 Hz or more among voice signals output from the microphone, a low-pass filter for removing signals of harmonic components from the voice signals output from the high-pass filter and passing only a voice signal in a fundamental frequency band, a peak detector for detecting a peak of the voice signal output from the low-pass filter and obtaining a pitch, and a controller for controlling the light source to intermittently emit light in response to a signal output from the peak detector and controlling the photography unit to operate according to whether or not the light is intermittently emitted.

Abstract: A laryngoscope including a laryngoscope blade and laryngoscope handle apparatus including an LED and which may include an ergonomic handle and laryngoscope handle apparatus including an LED and which may include an ergonomic handle.

Abstract: A laryngoscope adaptor cap for use with existing government issue military flashlights designed for use in night time battlefield conditions. A filter disc filters out visible light and a light seal design prevents leakage of visible light from an assembled laryngoscope. The adaptor cap is crush resistant, impact resistant, has a high melting temperature, is disposable and allows the attachment of conventional laryngoscope paddles. It allows for night time endotracheal intubation in conjunction with military issue night vision goggles in the absence of visible light.

Abstract: Devices, systems and methods for performing image guided interventional and surgical procedures, including various procedures to treat sinusitis and other disorders of the paranasal sinuses, ears, nose or throat.

Abstract: A medical diagnostic instrument includes a housing containing at least one battery and a light source, such as a lamp, for illuminating a medical target. A switch includes a movable member that selectively moves at least one of the battery and the lamp into and out of electrical connection with the other. The instrument is preferably fabricated from a diecast or an extrusion process wherein a thin plastic sleeve member having text and/or graphic materials can be shrink fitted onto an extruded handle.

Abstract: An expandable surgical site access system and method for using the expandable surgical site access system to perform minimally invasive, percutaneous surgeries to access the spine or other bone structures, organs, or locations of the body is disclosed. In one embodiment, the expandable surgical site access system includes an elongated, expandable stent (20) that is particularly adapted to be deployed in a body during a surgical procedure to provide access to a surgical site (24) within the body. The stent (20) defines a working channel (26) through the body from a point of entry (28) to the surgical site (24).

Abstract: Metal laryngoscope blade including a resiliently elastically deformable metal blade hook-on fitting for removable double snap engagement into an operative intubation position on a metal laryngoscope handle with a correspondingly sized handle hook-on fitting, a metal spatula attached to the blade hook-on fitting and including a leading tip for transversely extending from the laryngoscope handle in the operative intubation position for insertion into a subject's mouth, and an illumination assembly including an electrical light source disposed toward the leading tip for providing illumination thereat for assisting intubation.

Abstract: An innovative one-piece videolaryngostroboscope that provides slow motion visualization and detailed analysis of the vocal cords movements, which are imperceptible to the naked eye due, by means of a video camera with stroboscopic; said apparatus is used to perform examinations in patients, aiming to assess the incidence of larynx cancer. The invention including a processor base; an optics tube with a built-in light sources, a built-in video camera; a microphone, an auxiliary pedal and software.

Abstract: Laryngoscope handles including a handle shell having a pair of opposite semi-cylindrical metal or plastic handgrip support members permanently joined together to form a tubular handgrip support and a non-metal sleeve-like handgrip encircling the handgrip support. Rechargeable illumination units for use with laryngoscopes and including a light transmissive end cap diffusely glowing on interior illumination by a least one user indication light source for providing at least one visual user indication regarding the operability of an illumination unit.

Abstract: A laryngoscope for use in viewing the vocal cords of a patient in performance of an endotracheal intubation. The laryngoscope includes a handle to be gripped by a medical professional in performing the endotracheal intubation; a blade portion extending from the handle to lift the patient's tongue and mandible for viewing the vocal cords and aid in the insertion of an endotracheal tube; a power source; and a black light source powered by the power source and carried by the blade portion to prompt the visible effects of fluorescence and phosphorescence with respect to the patient's vocal cords for viewing the vocal cords and passing of the endotracheal tube there between during endotracheal intubation.

Abstract: A laryngoscope blade which improves the transmission of light from the laryngoscope to enhance the amount of light reflected from an area of interest in a patient. The laryngoscope blade has a channel which extends at least partially though the blade and receives a light source. The channel has a substantially transparent end face which is situated towards the blade end and has an optical clement adapted to reduce the ambient light signal from the light source in the channel.

Abstract: A triggering system for a stroboscope system, comprising: a light source for projecting light on a vibratory object, such as vocal folds, an optical sensor for sensing light reflected or transmitted from said vibratory object in response to the projected light, in order to obtain vibratory information from the vibratory object; and a control arrangement connected to the optical sensor, for converting the vibratory information into triggering signals for the stroboscope system, said electronic control arrangement including a control output connectable to said stroboscope system, for outputting said triggering signals to said stroboscope system.

Abstract: A laryngoscope blade comprising a blade portion, a base portion and an optic light pipe, the blade portion including a proximal end and a distal end provided with an optic window, the base portion including two base halves mounted to each other and to the proximal end of the blade portion, one of the base halves providing a resilient cantilever latch pin and the other of the base halves providing a rigid hook, the light pipe including a proximal end mounted between the two base halves and a distal end extending through the optic window.

Abstract: Disclosed herein are various embodiments of a medical instrument used for conducting eye, ear, mouth examinations of a patient. The instrument is connectable with a remote power supply. In an exemplified embodiment, instrument comprises an elongated, rigid body defining a first end and a second end, a light emitting member disposed at the first end, and an input/output connector disposed at the second end and adapted for selective connection with the remote power supply, so as to enable operation of the light emitting member free of connection with the remote power supply. The instrument may also be used for sensitivity testing of skin areas of the patent.

Abstract: Intubation laryngoscope having reusable and disposable blades, an illumination system, and an advantageous fastening appliance for connecting the blades to the laryngoscope handle.

Abstract: This invention is to provide an endotracheal tube stylet insertable into an endotracheal tube, the endotracheal tube stylet comprising: a first coupling member; a second coupling member coupled to the first coupling member; an operable member connected to the first or the second coupling member, the operable member being capable of changing the relative positions of the first and the second coupling members; and a turnable member connected to the first or the second coupling member, wherein the turnable member may be redirected by the change of the relative positions of the first and the second coupling members so as to change the shape of the endotracheal tube.

Abstract: A laryngoscope comprising a handle, a blade coupled to the handle, wherein the blade is movable between an operational position and a non-operational position. The laryngoscope also comprises a timer, wherein the timer is in communication with the handle or the blade of the laryngoscope, the timer being operative to measure a time period in which the blade is in the operational position.

Abstract: A laryngoscope including a laryngoscope blade and a detector incorporated in or attached to the laryngoscope blade, the detector detecting contact. A method of using a laryngoscope including moving a patient's pharyngeal structure using a laryngoscope blade, wherein a detector is attached to the laryngoscope blade; contacting the patient's teeth with the detector; and indicating a contact between the detector and the teeth.

Abstract: The invention describes a disposable device for operations on the arteria haemorroidalis, which comprises a retractor tube (1), closed and rounded on the end (101) which is inserted in the anal cavity, and open and diverging on the external end (201) to which is connected a griping handle (M) which removable houses a luminous source (F). In the connection zone of the handle to the external mouth of the retractor there is provided a channel (C) which contains a parabola (5) which reflects the light supplied from said luminous source (F) and which sends the reflected light inside of the same retractor, to illuminate a lateral window (8) through which appears the rectal mucosa upon which the operation must be made for the ligature of the arteria haemorroidalis.

Abstract: According to the present invention, the light source (7) is elastically mounted on the electric housing (5) and it can be pushed back by the projecting proximal end (4P) of the light conduit, when said housing is inserted into the disposable handle (3). As a result of being pushed back, the light source (7) actuates a microswitch (8) which enables it to be powered from a power source (6).

Abstract: A prism module for a laryngoscope is disclosed. Said prism module mainly comprises a substantially cylinder-shaped first main part extending along a first axis; and a first refractive surface and a second refractive surface located at two ends of the first main part, respectively. Said first main part extends along a first axis and defines a first angle and a second angle with the first refractive surface and the second refractive surface respectively, wherein the first angle and the second angle are both less than 90 degrees.

Abstract: What is disclosed is a laryngoscope comprising a handgrip, a blade, and an image-capturing unit for capturing an image. The blade is connected to the handgrip, and the image-capturing unit is movably secured on the blade; in use, users may adjust the view of the laryngoscope by moving the image-capturing unit.

Abstract: The configuration and arrangement of the instrument greatly facilitate safe placement of the instrument and an associated endotracheal tube. The instrument includes a handle with an arm extending therefrom. The arm includes a base portion and a distal lifter portion preferably having an angle between 5° and 85°, inclusive, and the lifter is sized and shaped to engage or lift the patient's epiglottis, thereby to expose the glottis. In a preferred embodiment, the base portion and lifter portion are substantially the same length, and a viewing device, which is preferably a CCD or CMOS camera positioned near the transition portion between the base and lifter portions, is aligned to provide a perspective view toward the distal end of the lifter. Lights, which are preferably LED units, are positioned toward the distal end of the lifter to facilitate viewing.

Abstract: An intubation laryngoscope having reusable and disposable blades adapted for both right and left-handed operation, an illumination system mounted on the laryngoscope handle, and an improved fastening appliance for detachable connection of the blades to the laryngoscope handle.

Abstract: A two piece endotracheal intubation device is provided having a multidirectional eyepiece, a suction port and a fiber optic assembly that enables a practitioner to apply suction to a patient's airway while at the same time visualizing the airway from any position relative to the patient for insertion of the endotracheal tube.

Abstract: An improved laryngoscope of the type having a stationary handle, a stationary blade affixed to the stationary handle, a tip pivotally attached to the stationary blade, a movable handle pivotally attached to the stationary blade, and an arm pivoting the tip downwardly when the movable handle is moved towards the stationary handle depressing the epiglottis. The improvement includes a movable blade pivotally attached to the stationary blade and affixed to the movable handle so as to allow the movable blade to pivot away from the stationary blade when the movable handle is moved towards the stationary handle and spread the posterior tissue defining the superior opening of the larynx away from the epiglottis simultaneously as the tip depresses the epiglottis and both thereby opening up the trachea exposing the larynx, and a lock locking the movable blade in a desired positioned by locking the movable handle affixed thereto.

Abstract: A laryngoscopes blade of the disposable variety for use with a Fiber Optic Green System Handle having a blade portion made from stainless steel and a heel portion made from thermoplastic resin.

Abstract: A medical diagnostic instrument includes a housing containing at least one battery and a light source, such as a lamp, for illuminating a medical target. A switch includes a movable member that selectively moves at least one of the battery and the lamp into and out of electrical connection with the other. The instrument is preferably fabricated from a diecast or an extrusion process wherein a thin plastic sleeve member having text and/or graphic materials can be shrink fitted onto an extruded handle.

Abstract: An illumination assembly for a medical diagnostic instrument, includes an open ended lamp housing, an incandescent lamp disposed within the housing. A peripheral sealing member is disposed in intimate contact with the exterior surface of the lamp envelope such that initial energization of said lamp causes the sealing member to create a substantial fluid-tight seal with the lamp to protect the interior of the housing, including the electrical contacts of the assembly.

Abstract: A dual bladed laryngoscope for quickly and easily intubating a patient. The invention has two blades pivotally hinged on one side while the opposing side is open allowing the laryngoscope to be easily removed after intubating a patient. The proximal end of the upper blade has a grip portion which can be moved closer to or farther away from the handle attached to the proximal end of the lower blade to open or close the distal ends of the lower and upper blades. The lower blade of the invention has a distal end adapted as an esophageal obturator for obstructing the esophagus. An arytenoid bumper to prevent the laryngoscope from penetrating too far into the esophagus is preferably secured to the distal end of the lower blade. The arytenoid bumper may have a ramp or wedge shape adapted to deflect an intubation tube through a patient's larynx and into the trachea.

Abstract: An element for a phonomicrosurgical modular glottiscope system comprises a proximal end; a distal end; a pair of opposing curved sides intersecting at an apex line; a substantially planar base, and internal channels disposed within the base. The base plate is removably attached to the pair of curved sides, and the base and curved sides define a lumen extending from the proximal end to the distal end. The internal channels include a first internal channel that provides illumination to the distal end and a second internal channel that provides aspiration to the distal end. In operation, the distal end of the element is inserted into a body cavity and the lumen provides visualization of the distal end and access to the distal end for tools inserted into the lumen from the proximal end. A method of manufacturing the element is also disclosed.

Abstract: An endoscopic cleaning device capable of properly removing wet cerumen from an auditory canal while the interior of an auditory canal is illuminated. The device allows an image of the interior of the auditory canal to be acquired while the auditory canal is being cleaned. The device has an ear picking main body that also serves as a light guide to provide the illumination. The ear picking main body rotates about a light guide containing the micro lens used to acquire the image, so that the image remains stable. The ear picking main body is inserted through a removable, elastically deformable tubular ear picking part having a through hole and an outer layer made of fibrous material. In this way light can be delivered to the end of the ear picking main body, and the fibrous material of the ear picking part can be used to remove wet cerumen.

Abstract: This invention relates to the development of a plastic disposable laryngoscope with built in power source in any form and built in refractory light sources. This invention relates to the development of a plastic disposable laryngoscope (this can be constructed of wood, metal, rubber, plastic or any other disposable material) contains three major components: first component—plastic rotational light source cover that may be in various forms (e.g. press button) and on different locations of the plastic handle. Second component—plastic handle contains the power source in any form and the light bulb in different intensities. The third component is the plastic transparent blade, which connects to the base of the plastic handle. The plastic blade contains a refractory mirror at any angle that receives and refracts the light from any light source and delivers the light along the transparent plastic blade.

Abstract: There is disclosed a tongue depressor which has a light function to visually examine or clean the inside of a mouth easily and effectively, and which can be operated even by one hand, and light deep teeth or a throat part without any reductions in the amount of a light. Because of a structure in which a hole is bored in the main body of the tongue depressor, and a lighting fixture such as a commercially available penlight can be inserted/pulled out, two functions, i.e., a tongue depressor and lighting, can be provided. A shape is simple, fabrication costs are low, and sanitary supervision is easy. Since the tongue depressor can be operated by one hand, mouth cleaning can be carried out by the other hand.

Abstract: A light guide mount for use with a Shucman™ type ISO 7376/1 compatible laryngoscope blade, the light guide mount including a housing with a throughbore, and an L-shaped fiber optic light pipe with a short leg securely fastened into the housing and a long leg for extending along the blade, the throughbore accommodating a floating contact pin, a portion of the short leg, and a miniature bulb interdisposed between the contact pin and the short leg. A removable light guide mount for use with a laryngoscope blade, the light guide mount being removably slidingly insertable into a suitably shaped and dimensioned slot formed in a base portion of the blade, and secured therein by an inter-engagement means, and preferably a snap-fit inter-engagement means.

Abstract: The Self-Navigating Endotracheal Tube is an endotracheal tube that utilizes a light source and light measuring device to determine its location relative to a patient's trachea and esophagus. Using readings obtained via the light measurement device, a physician is capable of determining the proper insertion of the tube into a patient's trachea when a visual verification is not possible, as in the case of patients with spinal trauma, as well as the intubation of premature infants. It is also capable of providing an indication of self-extubation.

Abstract: A laryngoscope (1) includes a socket (3) that is mountable on a hand grip, a spatula blade (2) that is coupled with the socket (3) and a light guide tube (4) that has proximal and distal end portions, with the proximal end portion of the light guide tube (4) being releasably mounted in a cavity (11) that extends completely through the socket (3) while the distal end portion engages in a snap-in device on the spatula blade (2). The light guide tube (4) has a completely uniform permanent cross section that improves the laryngoscope spatula (1) since the light guide tube (4) can be manufactured and serviced in an uncomplicated manner.

Abstract: An anoscope for surgery and/or inspection comprising: a tubular body (2) having a distal blind end and a proximal open end; an inner light reflecting surface (7) located at said distal blind end; at least one slot (3) formed in said tubular body; a light source (6) placed in light reflection relationship with said inner reflecting surface (7), and a maneuvering handle (5) arranged to act on said proximal end of said tubular body (2).

Abstract: An surgical instrument for use during procedures to harvest saphenous veins simultaneously retracts tissue and exposes sections of the vein. Removable spacer limbs are selectively attached to the instrument to aid in retracting tissue and to make the instrument self-retaining.

Abstract: A light guide mount for use with a Shucman™ type ISO 7376/1 compatible laryngoscope blade, the light guide mount including a housing with a throughbore, and an L-shaped fiber optic light pipe with a short leg securely fastened into the housing and a long leg for extending along the blade, the throughbore accommodating a floating contact pin, a portion of the short leg, and a miniature bulb interdisposed between the contact pin and the short leg. A removable light guide mount for use with a laryngoscope blade, the light guide mount being removably slidingly insertable into a suitably shaped and dimensioned slot formed in a base portion of the blade, and secured therein by an inter-engagement means, and preferably a snap-fit inter-engagement means.

Abstract: The present invention is an intubating laryngoscope with light provided to the suction tip or blade simultaneously during intubation. Preferably, the laryngoscope is made of a transparent, engineering plastic material to provide a light path for light from a light source (e.g. flashlight). In an alternative embodiment, light is provided to the suction tip by fiber optics.

Abstract: Splint for surgery of lacrimal passages includes a plate adapted for insertion in a nasal passage, the plate comprising two arms made of a flexible material, the two arms defining therebetween an open angle, a convex side being formed on the plate opposite the open angle and a flange formed on a first edge of one of the arms, the flange being located on the convex side of the plate.

Abstract: A combination laryngoscope and video display for providing images of the area ahead of the laryngoscope to facilitate insertion without damaging the surrounding tissue; the laryngoscope having a detachable blade and a rigid, detachable light and image guide attachment device for providing illuminating light ahead of the blade and for detecting the reflected light.

Abstract: The present invention relates to the field of medical devices used in the procedures of orotracheal or nasotracheal intubation. Oral or nasal endotracheal intubation procedures are commonly employed to secure a controlled airway and to deliver inhalant oxygen, anesthetic gases, and other therapeutic agents into the trachea and lungs of human and veterinary patients. Such intubation procedures carry a significant risk of dental injury resulting from contact between the laryngoscope blade used for visualization during intubation. The present invention provides an apparatus to reduce dental injury including a modified laryngoscope blade and a disposable insert which is designed to be received and retained in a single step by the modified laryngoscope blade. The disposable insert may be quickly secured by the user, and reduces both direct pressure and shear forces on the maxillary incisor teeth when the laryngoscope blade is placed in a patient's mouth during intubation.

Abstract: A laryngoscope is provided comprising a handle, a spatula arranged substantially transverse to said handle, and a coupling. Said spatula is detachably fixed to said handle by means of said coupling. The laryngoscope further comprises an illumination light waveguide for guiding an illumination light signal and an image waveguide for guiding an image signal, both of said waveguides being attached to said spatula. Said illumination light waveguide comprises a proximal end having an illumination light entry opening, and said image waveguide comprises a proximal end having an image exit opening, wherein said illumination light entry opening and said image exit opening are arranged in the area of said coupling. Said handle comprises, in the area of said coupling, an illumination light exit opening and an image entry opening which allow for the illumination light signal to couple into said illumination light waveguide from said handle, and for said image signal to couple out of said image waveguide.

Abstract: A laryngoscope (1) includes a socket (3) that is mountable on a hand grip, a spatula blade (2) that is coupled with the socket (3) and a light guide tube (4) that has proximal and distal end portions, with the proximal end portion of the light guide tube (4) being releasably mounted in a cavity (11) that extends completely through the socket (3) while the distal end portion engages in a snap-in device on the spatula blade (2). The light guide tube (4) has a completely uniform permanent cross section that improves the laryngoscope spatula (1) since the light guide tube (4) can be manufactured and serviced in an uncomplicated manner.

Abstract: An intubating laryngoscope providing ready interchangeability of blades and a magnifiable video display for use in efficiently positioning an endotracheal tube through the vocal cords into the trachea and teaching the procedure.

Abstract: A tongue depressor and throat viewing assembly which includes a disposable flat blade for depressing the tongue of a subject in order to expose his larynx for inspection so that its condition can be diagnosed. Attachable to the trailing end of the blade is a light source and throat viewer unit which projects a light beam to illuminate the exposed larynx and to obtain a digital image thereof which is conveyed to an external computer monitor station. At this station, the image is exhibited on a screen, and is stored in a database for future use.

Abstract: A cartridge assembly for a laryngoscope includes a housing which supports an axially movable miniature lamp assembly in the instrument handle and includes at least one sealing member which provides a fluid tight seal for the electrical contacts of the lamp assembly and the power supply of the laryngoscope regardless of the axial position of the lamp assembly.

Abstract: An improved laryngoscope blade for use with a conventional laryngoscope handle and conventional means for illumination. The improvements to the blade include a small reverse curve at the tip of the blade to better visualize the depth of insertion of the blade, include a greater width of the portion of the blade proximal to the handle to provide improved means for controlling the tongue, and include a more gradual curvature of the blade to better conform to the shape of the airway opening when the patient is properly positioned for laryngoscopy. The blade may also include a vertical wall which may be thickened to serve as a bite block, and raised areas to define grooves on the surface of the blade for insertion of an endotracheal tube and/or a suction catheter.