188 results about "STETHOSCOPE HEAD" patented technology

The present invention discloses an electronic stethoscope with a Piezo-Electrical Film contact microphone comprising a stethoscope head with a Piezo-Electrical Film contact microphone inside, and the stethoscope head is electrically connected to a circuit and a microcontroller unit (MCU). The microcontroller unit is connected to a front-end operational amplifier (OP-amp) circuit, a wave filter circuit, and a transmit circuit, such that when the stethoscope is used, the weak sound signal received by contacting stethoscope head with a human body is sent to the OP amplifier. The amplified sound signal (such as heart sound and lung sound) selectively measured by the switch module is processed by the microcontroller unit and the wave filter. The filtered sound signal is sent to a transmit / receive circuit, so that the wave filter circuit can filter the noise of the sound signal produced by human bodies under the control of the microcontroller unit, and medical people can make correct diagnostics based on the correct sound received through the transmit / receive circuits.

A stethoscope head for a one-way stethoscope with a membrane. The stethoscope has a funnel or bell-shaped resonance body. A membrane and the resonance body enclose a resonance chamber that is interconnected to the air column in the lumen of a tube. A capsule of a soundproof material completely surrounds a distal region of the resonance body without contact, leaving just an opening through which the tube passes. A suspension element of elastomer material forms a mobile connection between the capsule and the holding ring attached to the peripheral rim of the resonance body.

The invention provides an electronic stethoscope. The electronic stethoscope comprises a stethoscope head for being contacted with the body surface during auscultation so that acoustic signals sent by organs and radiated by the body surface generate resonance and the resonance acoustic signals are converted into electric signals, a host machine for amplifying and filtering the electric signals converted by the stethoscope head and converting the electric signals processed into acoustic signals, and a loudspeaker for playing the acoustic signals converted by the host machine. The electronic stethoscope provided by the invention can monitor and record sounds at various frequencies sent by various organs such as heart sounds, bowelsounds, lung sounds, and fetal heart sounds, is suitable for diagnosing various diseases, and is simple in structure and using method, and can effectively isolate external noises so as to improve the diagnosing accuracy.

A tool for neurological and diagnostic testing comprises the combination of a stethoscope with a reflex hammer. When mounted on the stethoscope head the reflex hammer extends beyond the head, without interfering with the normal use of the stethoscope. A handle, which may or may not be joined to the reflex hammer, is positioned on the flexible stethoscope tubing and provides a gripping surface for using the tool for neurological testing. One embodiment has an opening between the reflex hammer body and the handle enabling the user to grasp and rotate the stethoscope head. The reflex hammer, which can be made from one or more members, is adaptable for use with binaural and electronic stethoscopes. A detent on the handle provides an ergonomic grip, or a place for inclusion of indicia.

A protective cover for a stethoscope head and an apparatus for quickly and easily interconnecting the protective cover with the stethoscope head. The apparatus includes a cover-positioning device that positions the protective cover so that it can be quickly and easily interconnected with the stethoscope head. The cover positioning device includes a base having a planar portion and an upstanding rim connected to the planar portion, the upstanding rim defining an opening for receiving the stethoscope head therethrough. Following examination of the patient using the stethoscope with the protective head covering, the protective covering can be quickly and easily removed from the stethoscope head and suitably disposed of so as to prevent skin bacteria and like contaminants that may have contaminated the protective cover during patient examination from undesirably being transmitted to the next patient.

A disposable cover is provided for a stethoscope head, the stethoscope stem and the tubing immediately adjacent to the stem to help provide a barrier to prevent the transmission of harmful organisms or matter from the stethoscope head to a patient, or to the medical practioner, or to the general public and vice versa. The cover has an opening which is stretched to receive the stethoscope head and a loose casing capable of enveloping the stethoscope head. The loose casing does not need to stretch during insertion or while enveloping the stethoscope head. The loose casing allows the stethoscope head to simply drop down into the cover to the closed end.

A stethoscope cover and carrier strip assembly and a respective stethoscope diaphragm cover dispensing apparatus. The stethoscope cover and carrier strip assembly comprises a plurality of stethoscope covers detachably coupled to a carrier strip in a linear, spatial arrangement. Each cover is fabricated of a thin, elastically deformable membrane-like central portion defined by a peripheral edge. The covers are sized and shaped for placement over stethoscope diaphragm or a complete stethoscope head. The dispenser advances a cover into a staging area, where the cover is stretched in both a longitudinal and a lateral direction to allow unencumbered insertion of the stethoscope diaphragm or a complete stethoscope head. The cover is removed from the carrier and the spent carrier material is collected for disposition.

An assembly structured to restrict contamination of individuals from association with the heads of stethoscope comprising a housing including a path of travel along which the head portion passes. Different embodiments include the dispensing of cleaning fluid or the delivery of protective barriers onto predetermined portions of the stethoscope heads, while passing along the path of travel. A dispenser assembly and a cooperatively disposed activating assembly are manually operated by moveable, driving engagement with the head portion passing through the housing. The activating assembly is thereby operatively positioned to activate the dispenser assembly when engaged by a head passing along the path of travel. Differently structured dispenser assemblies function to either deliver the cleaning fluid or individually dispense the barriers onto different heads, so as to either facilitate the cleaning or protective covering of exposed surfaces of the stethoscope heads, dependent on the embodiment utilized.

The invention relates to a medical instrument accessory, in particular to a stethophone accessory. The invention discloses a combined membrane which comprises a round membrane and a fixer. The fixer comprises three parts including a big ring, a small ring and a connecting part, wherein the big ring is arranged below the connecting part, the small ring is arranged above the connecting part and radially provided with a ring slot, and the outer edge of the round membrane is positioned in the ring slot. The invention also provides a stethoscope head which comprises a stethoscope head body and a cylinder, wherein the cylinder and the stethoscope head body are integrated into a whole, the end surface of the cylinder is provided with an axial ring slot and a sound collecting surface; and a soundguide hole and a fixing hole are arranged on the sound collecting surface. The membrane has the advantages of good restoration and accurate positioning; the stethoscope head is easy to install and hasstrong tightness; and users can acutely acquire a matching structure of multitone only by changing force applied on the stethoscope head body.

A stethoscope head cover configured to envelop a head of a stethoscope includes a cover member with a cavity therein. The cover member includes first and second openings. The first opening has a size sufficient to slidably engage a cord associated with the head of the stethoscope, and the second opening has a size sufficient to allow the head of the stethoscope to be extended therethrough. A stethoscope head cover with a cavity therein and a first opening having a size sufficient to allow the head of the stethoscope to be extended therethrough. The head cover can further include a biocidal environment within the cavity of the cover member. A method of sanitizing a stethoscope head includes providing a stethoscope head cover having a biocidal environment within a cavity of the stethoscope, and engaging a stethoscope head with the stethoscope head cover.

The disposable stethoscope cover is a medical device that is designed to prevent the spread of infection by not allowing any fluids, infectious or not, to pass through it. It is a universal precaution which institutes personal protective equipment to provide barrier protection preventing liquids from transporting through it. It is designed for a single use. It is designed to be used wherever stethoscopes are used. It is designed to protect the stethoscope from contamination and to prevent the spread of contamination via the stethoscope. According to federal mandates in OSHA states, personal protective equipment should be provided to employees that perform duties that place them at risk of occupational exposure at no cost to the employees. Also, according to the mandates, the product should be disposed of by the employer with all costs of disposal being borne by the employer. Recently, non-OSHA states have enacted legislation to address the potential spread of infection through blood and bloodborne pathogens. Pursuant to this legislation, personal protective equipment should be worn at all times whenever contamination and or infection are possible. Preventing infection will aide mankind in increasing our quality of life.

A medical glove is provided for protection against the transmission of infectious agents. The glove comprises a glove body sized to tightly enclose a wearer's hand. The glove body has a palm portion and adjoining finger portions. A webbing adjoins two of the finger portions. The webbing is sized to receive a stethoscope head between the finger portions when the finger portions are separated. The glove is formed of an acoustically transmissive elastomeric material that is substantially non-porous and sufficiently thin to allow tactile sensitivity and dexterity.

A cordless stethoscope for use in hazardous material environments comprising a fluid tight hand held sound sensing device having a stethoscope head for sensing auscultatory sounds, a transmitter for transmitting sounds sensed by the device, a receiver for receiving transmissions from the transmitter and an ear piece for converting the received transmissions into audible sound. The housing is sized and shaped for being grasped by a gloved hand and is fluid tight for decontamination purposes. The sound sensing device may further comprise a microphone for sensing otherwise inaudible voice communications from a patient. The transmitter and receiver preferably uses magnetic induction transmissions to transmit sounds through barriers such as hazardous material suits that may be worn by clinicians during treatment of patients in possible hazardous material situations.

The invention relates to an acquisition and processing method for measuring kororkoff sound information of blood pressure with an auscultatory method and a device; the method comprises the following steps: a kororkoff sound signal is acquired by a stethoscope head, instantaneous sound pressure of the kororkoff sound signal acquired by the stethoscope head is acquired to a computer to be stored bya measurement microphone and an analog-digital converter, weighted sound pressure level of the kororkoff sound signal is calculated according to a sound-pressure-level measurement method specified inANSI S1.4 or IEC 61672-1 standard, the corresponding sound pressure level threshold value is set, the kororkoff sound above the threshold value is considered to be audible, the kororkoff sound below the threshold value is considered to be inaudible. The acquisition and processing information in the method is used for determining blood pressure value measured by the auscultatory method, thereby reducing effect of subjective factors of an auscultator on blood measuring results and realizing objective and scientific blood pressure auscultation measurement.

The present invention provides a sterilized barrier assembly for a stethoscope defined to have at least a stethoscope head. The barrier assembly includes two layers of material. A first layer of material has a first bottom side and an aseptic first top side. The first bottom side has an adhesive material permitting the first layer to be removably attached to the stethoscope head. The second layer of material has a second bottom side and a second top side. The second bottom side has a portion with adhesive such that the second bottom side is removably attached to the aseptic first top side, therefore the second layer of material can be removed from the first layer of material exposing the aseptic first top side to the atmosphere and for use with a patient.

A device for disinfecting a head of a stethoscope has a receiver adapted to hold a supply of disinfecting agent. A dispenser that is mounted to reciprocate relative to the receiver has a receptacle for receiving the head of the stethoscope. The dispenser can communicate with the supply of disinfecting agent and deliver its disinfecting agent to the receptacle. By pressing the head of the stethoscope against the dispenser, disinfecting agent will pass from the receiver through the dispenser and onto the head of the stethoscope.

An assembly structured to restrict contamination of individuals from association with the heads of stethoscope comprising a housing including a path of travel along which the head portion passes. Different embodiments include the dispensing of cleaning fluid or the delivery of protective barriers onto predetermined portions of the stethoscope heads, while passing along the path of travel. A dispenser assembly and a cooperatively disposed activating assembly are manually operated by moveable, driving engagement with the head portion passing through the housing. The activating assembly is thereby operatively positioned to activate the dispenser assembly when engaged by a head passing along the path of travel. Differently structured dispenser assemblies function to either deliver the cleaning fluid or individually dispense the barriers onto different heads, so as to either facilitate the cleaning or protective covering of exposed surfaces of the stethoscope heads, dependent on the embodiment utilized.

The invention discloses a novel stethoscope, and relates to the technical field of medical apparatuses and instruments. On the one hand, the novel stethoscope is used for solving the problems that an existing stethoscope is inconvenient to carry, and a doctor feels uncomfortable during stethoscoping; on the other hand, the novel stethoscope is used for conducting stethoscoping on multiple persons at the same time. According to the novel stethoscope, on the one hand, the doctor can conduct stethoscoping through earplugs; on the other hand, other persons can conduct stethoscoping by wearing Bluetooth headsets, a Bluetooth transmission module in a stethoscope head transmits heart sound signals to the Bluetooth headsets in a wireless mode, stethoscoping is not limited by the length of a rubber tube, and stethoscoping by multiple persons at the same time can be achieved; when the novel stethoscope does not need to be used, the novel stethoscope can be folded, the novel stethoscope is wrapped through a bandage on the rubber tube and fixed with a hook and loop fastener, and the size of the novel stethoscope is reduced and the novel stethoscope is convenient to carry after the novel stethoscope is folded.

The invention relates to a stethoscope which can eliminate foreign sound and relative method, wherein said stethoscope comprises: a stethoscope head with microphone to receive heat sound and one sensor for detecting the stethoscope position; one signal processor connected to the stethoscope head to process the heat sound, while it has one record circuit amplifier to amplify the heat sound, one low-pass filter for filtering the foreign sound, one character heat sound strengthener for amplifying the character frequency section, and one microprocessor connecting and controlling the amplifier, filter, strengthener, sensor and microphone; and one earphone connected to the signal processor for sending the heat sound. With said invention, doctor can diagnose with least time.

The invention provides a portable wireless electronic stethoscope which comprises a stethoscope head and a processing device, wherein the stethoscope head can be adhered to the surface of a human body, and the processing device can be in wireless communication with the stethoscope head. When in use, an acoustic sensor of the stethoscope head senses a lung sound signal, and the lung sound signal is transmitted to the processing device after being subjected to amplification, filtration and analog-to-digital conversion; and after the processing device receives the lung sound signal, the lung sound signal and a cardiac sound signal accessed through a cardiac sound signal port are subjected to adaptation operation, the cardiac sound signal in the lung sound signal is filtered out, and then the lung sound signal the cardiac sound signal of which is filtered out is displayed, thus realizing the purpose of monitoring the lung sound signal. Since the stethoscope head is in wireless communication with the processing device, cross infection between a doctor and a patient when the existing stethoscope is utilized can be effectively avoided, and the use is safer.

The invention relates to a sphygmomanometer, which comprises a cuff (1) with a gasbag, a inflation and deflation device (2), a pressure sensor (3), a digital display unit (4), a stethoscope head (5), a microphone (6), an audio processing circuit (7), a speaker (8) and a power supply, wherein, the inflation and deflation device (2) is communicated with the gasbag of the cuff, the pressure sensor (3) is used for detecting the pressure of the gasbag, the digital display unit (4) is connected with the pressure sensor (3) and used for displaying pressure value, the stethoscope head (5) is used for getting pulse sound, the microphone (6) is arranged in an sound induction tube of the stethoscope head (5) and used for receiving the pulse sounds get by the stethoscope head (5), the audio processing circuit (7) is connected with the microphone (6) and receives and linearly processes outputted audio signal from the microphone (6), the speaker (8) which is connected with the audio processing circuit (7) and is used for broadcasting the processed audio signal by the audio processing circuit (7), the power supply supplies power to the sphygmomanometer. The sphygmomanometer has the advantages of accurate and reliable measuring result, convenient hear korotkoff sounds and environmental protection without needing to use mercury.

A kit for dispensing disposable stethoscope covers is provided. The kit may include a cartridge and a dispenser for automatic touch-free dispensing of disposable stethoscope covers. The kit further includes a first spool having a roll of backing member with disposable stethoscope covers disposed thereon and a second spool for receiving the spent backing member after a disposable stethoscope cover has been removed, self-contained within the cartridge. The cartridge is inserted within the dispenser so that a user may insert a stethoscope head through a window of the dispenser to attach to a disposable stethoscope cover. The kit may further include a proximity sensor for detecting a user. Upon detection of the user, the first and second spools rotate to align a disposable stethoscope cover with the window of the dispenser in a ready-to dispense position.

A medical glove is provided for protection against the transmission of infectious agents. The glove comprises a glove body sized to tightly enclose a wearer's hand. The glove body has a palm portion and adjoining finger portions. An integral webbing extends between two of the finger portions. The webbing is sized to receive a stethoscope head between the finger portions when the finger portions are separated. The glove is formed of an acoustically transmissive elastomeric material that is substantially non-porous and sufficiently thin to allow tactile sensitivity and dexterity.

The invention relates to an accessory of a medical appliance, in particular to an accessory of a stethoscope, which comprises a stethoscope head body, a membrane and a fastener. The membrane is provided with an annular step and an anchor; the membrane is arranged on a sound collection surface of the front side of the stethoscope head body and is fixed on the stethoscope head body through the fastener; the annular step is arranged at the outer edge part of the front side of the stethoscope head body; a thread is arranged on the step surface of the annular step; an annular groove is arranged onthe sound collection surface at the inner side of the annular step; an obtuse angle gamma is formed by the inside surface of the annular groove and the bottom surface of the annular groove; the anchor of the membrane is arranged in the annular groove; the fastener consists of a circular ring A and a circular ring B, the upper surfaces of which are in the same plane; the circular ring B is arranged in the circular ring A and the outer diameter of the circular ring B is the same with the inner diameter of the circular ring A; and the inner wall of the circular ring A is provided with a thread matched with the thread on the step surface. The stethoscope head structure with adjustable voice frequency has the advantage of being convenient for assembly and capable of continuously adjusting the audition effect.

The invention aims to solve the problems like inconvenient use, large interference and small volume caused by the present acoustic rubber tube attached to the stethoscope and discloses a method for realizing wireless stethoscope based on bluetooth technology and a bluetooth stethoscope based on the method. The stethoscope comprises a piezodielectric transducer, a filter circuit, an amplifying circuit, a bluetooth adaptor U2 and a bluetooth earphone, wherein the piezodielectric transducer, the filter circuit, the amplifying circuit and the bluetooth adaptor are integrated to the stethoscope head, the piezodielectric transducer connects with the input end of the filter circuit, the output end of the filter circuit connects with the amplifying circuit, the output end of the amplifying circuit connects with the input end of the bluetooth adaptor U2 and the output end of the bluetooth adaptor U2 connects with the bluetooth wirelessly. It has simple structure, clear signal and can be implemented easily and used conveniently.

The present invention relates to a stethoscope auscultation method, adapted for an improved stethoscope so as to be used for assisting a medical diagnosis according to visceral sounds. The stethoscope auscultation method comprises the steps of: providing a stethoscope, whereas the stethoscope is composed of a stethoscope head module, a processing unit and a signal output unit, and the stethoscope head module further comprises a sensor and a visceral sound receiver; enabling the sensor to issue an activation signal to the processing unit as soon as it detects that the stethoscope head module enters an auscultation mode, and thereby activating the stethoscope; using the stethoscope to perform an auscultation process upon a living body as the visceral sound receiver is enabled to obtain audio signals originated from the visceral organs of the living body; enabling the processing unit to shut off the stethoscope automatically when the visceral sound receiver is unable to obtain the audio signals originated from the visceral organs for environmental purposes, such as reducing power consumption of the stethoscope, prolonging lifespan of the battery used in the stethoscope.

The invention relates to a multifunctional electronic stethoscope. The multifunctional electronic stethoscope comprises a power generation circuit, a stethoscope head, a primary amplifying circuit, a band-pass filtering circuit, a power frequency trap circuit, a main amplifying and voltage bias circuit and a signal processing module, wherein the power generation circuit is used for supplying power for the primary amplifying circuit and the signal processing module; the stethoscope head is used for transmitting a human body heart sound signal or a fetal sound signal to the primary amplifying circuit; the primary amplifying circuit is used for amplifying the collected signal; the band-pass filtering circuit is used for performing noise reduction on the collected signal; the power frequency trap circuit is used for performing interference suppression on the collected signal; the main amplifying and voltage bias circuit is used for amplifying the collected signal and biasing the amplified voltage to a set voltage value; the signal processing module is used for processing the collected signal and performing A / D conversion on the collected signal. The invention further provides a multifunctional electronic auscultation system.