14 results about "Artificial nose" patented technology

The present invention discloses an artificial nose, which includes a breathing pipeline. The breathing pipeline includes an inlet end and an outlet end. A gas passage is formed in the part of the breathing pipeline between the inlet end and the outlet end. The inlet end is connected with a humidifying device. It is characterized in that: the artificial nose further includes a heater capable of heating the gas in the breathing pipeline. A sensor capable of detecting the temperature and humidity of the gas is arranged at the outlet end of the breathing pipeline, so as to control the heater and the humidifying device according to the values collected by the sensor. A control method for the artificial nose as described above is also disclosed. Compared with the prior art, the advantages of the present invention are as follows: by arranging the humidifying device and the heater, the functions of automatically controlling the temperature and humidity of the inhaled gas can be realized, which helps the tracheotomy patients to maintain the airway for a long time.

This invention discloses an olfactory electrostimulation model for automatically generating current stimulation signals for an artificial nose, relating to the technical field of olfactory stimulation signal generation using biomimetic neural networks. The implementation steps include: First, constructing a biomimetic neural network framework. Based on the neuronal anatomical structure of the olfactory epithelium and olfactory bulb system, extracting the main neuron types, and organizing them according to their connection methods in biological systems; Second, using the Hindmarsh-Rose neuron model to model various neurons in the constructed network and simulate their dynamic firing behavior; Subsequently, setting the connection weights between neurons and the interlayer transmission current to realize the computational model of the entire biomimetic neural network; Finally, in the odor encoding and stimulation signal generation stage, the odor detection curve of the electronic nose is used as an external stimulus input to the biomimetic neural network. The network calculates and generates a series of peak signals, which are output as current stimulation signals to the olfactory bulb for stimulation, thereby realizing the olfactory induction function of the artificial nose.

The utility model discloses an artificial nose capable of preventing facial indentation, which comprises an artificial nose body, an air delivery pipe and an intubation tube, the air delivery pipe and the intubation tube are communicated with the input end and the output end of the artificial nose body, and a telescopic tube used for adjusting length and a steering tube used for adjusting orientation are additionally arranged between the intubation tube and the output end of the artificial nose body. The position of the artificial nose body can be adjusted through the telescopic pipe, so that the artificial nose body can avoid the face of a patient and can move to a bed surface on the outer side of the face of the patient, and due to the hardness of the material of the artificial nose body, the situation that a pipeline is blocked due to bending and the air conveying function is affected is avoided; the device can be matched with the telescopic pipe to move to an area which does not hinder operation of a doctor, and operation hindrance cannot be caused.

The invention relates to the technical field of trachea cannulas, in particular to an anti-slip trachea cannula connecting device and a connecting method, an artificial nose and a connecting piece are limited through the connecting device, and a connecting device main body is fixed on the artificial nose, so that the connecting piece connected with the trachea cannula is prevented from being separated from the artificial nose; opening and closing of the connecting device are facilitated through the rotating structure, control operation of an operator is facilitated, and the practicability of the device is improved; comprising a connecting device and a rotating structure, and the rotating structure is arranged on the connecting device; the limiting flange and the bottom bearing plate form a limiting groove to limit wing plates on the two sides of the bottom of the connecting piece. A lateral limiting groove is formed in the side vertical face of the front end of the first buckle piece and matched with the left side end of the covering protruding plate, and leftward rotation of the covering protruding plate is limited. And when the first buckle piece and the second buckle piece are rotationally closed, the lateral limiting groove can prevent the covering convex plate from excessively rotating to cause deformation of the connecting device, so that the stability during mounting is improved.

The utility model provides an artificial nose extension tube which comprises an extension tube body, one end of the extension tube body is connected with an artificial nose, the other end of the extension tube body is connected with a ventilation catheter, the side wall of the extension tube body is provided with a sputum suction port provided with an anti-return one-way valve, and the sputum suction port is connected with a sputum suction tube connected with a negative pressure sputum suction device. Due to the arrangement of the extension tube body, when a patient coughs sputum out of the ventilation catheter, the coughed sputum can be prevented from polluting the artificial nose; the sputum suction tube is arranged on the side wall of the extension tube body, when sputum exists in the extension tube body, the anti-return one-way valve is opened, the sputum is sucked out through the sputum suction tube, the manual nose does not need to be disassembled and assembled, and pollution caused by exposure of the disassembled manual nose can be avoided.

The invention relates to the field of auxiliary breathing control systems, in particular to an artificial nose control system which comprises an artificial nose, an airway breathing state judgment module and a wiping driving control module. The artificial nose comprises a main shell, a heat and humidity exchange filter module, an airway opening control module and a differential airflow sensor, the airway breathing state judgment module is in communication connection with the differential airflow sensor; and the wiping driving control module is in communication connection with the air passage opening degree control module. The air passage opening degree control module is connected with the main shell and is used for controlling the opening degree of the air passage; the differential airflow sensor acquires respiration data. According to the artificial nose, the driving module is used for controlling the multiple opening control valves to gather or disperse, so that the opening degree of the airway is accurately controlled. Meanwhile, a differential airflow sensor is further arranged to obtain breathing data, and the opening amount of the airway is determined in combination with other physiological indexes. Automatic self-adaptive adjustment of the resistance of the T pipe is achieved, and the timeliness and the success rate are improved.

The utility model discloses an artificial nose for preventing sputum from splashing, which relates to the technical field of medical instruments and comprises an artificial nose body, a mounting port is arranged on one side of the artificial nose body, a trachea connecting tube is fixedly mounted in the mounting port, and an anti-splashing tube is fixedly mounted on the inner wall of the artificial nose body. According to the anti-splashing artificial nose, when a patient breathes through the trachea connecting pipe, sputum can enter the anti-splashing pipe through the trachea connecting pipe if the sputum overflows, so that the spill of the sputum can be prevented, and the spill of the sputum can be prevented from entering the anti-splashing pipe through the trachea connecting pipe. The spatter-preventing artificial nose has the advantages that the spatter-preventing artificial nose can be properly intercepted by the movable plate in the spatter-preventing pipe, sputum can be prevented from entering the ventilation pipe, the sputum can be guided into the sputum collecting cavity in the artificial nose body by the aid of the liquid guide pipe, reflux of the sputum can be prevented by the aid of the check valve, accordingly, the sputum can be better collected, reflux can be prevented, and the practicality of the spatter-preventing artificial nose can be improved.

This invention discloses a functional prototype of an external head-mounted odor pickup device for an artificial nose, belonging to the interdisciplinary field of analytical detection technology and wearable devices. It adopts an integrated hat-and-glasses design architecture. The overall structural layout uses a modular design, integrating multiple modules into the hat, with the glasses section housing the air intake pipe. The concealed airway system utilizes the structure from the temples to the nose pads as the air intake pipe, delivering gas from the nose pads to the brim air chamber via micro-tubes, and then expelling it from the back of the hat. The optical path adaptive air chamber dynamically adjusts the position of the optical signal receiver using a micro-actuator, combined with a control algorithm to achieve intelligent adjustment of the optical path. The periodic sampling and signal processing method monitors the respiratory cycle using a respiratory airflow sensor, performing gas sampling and detection during inhalation and airway cleaning during exhalation, achieving a detection cycle synchronized with the respiratory rhythm. This system achieves accurate detection and long-term dynamic monitoring of the wearable electronic nose over a wide concentration range.

The utility model relates to the technical field of medical instruments, in particular to an artificial airway ventilation device which comprises a first connecting pipe and a second connecting pipe, one end of the first connecting pipe is arranged in an artificial airway, a functional pipeline communicated with the inside of the first connecting pipe is arranged on the side wall of the first connecting pipe, and the second connecting pipe is connected to the other end of the first connecting pipe in a sealed mode. The end, away from the first connecting pipe, of the second connecting pipe is detachably connected with a functional part. Compared with the prior art, the artificial nose has the following advantages that the first connecting pipe is arranged, and the first functional pipe and the humidifying pipeline which can be connected with the artificial nose in a sealed mode are arranged on the first connecting pipe, so that the oxygen input function and the humidifying water input function of the artificial nose can be achieved at the same time; a sputum cup or an atomizer can be connected according to use requirements, sputum of a patient can be conveniently collected, atomization treatment can be conducted on the patient, the artificial nose is prevented from being polluted by the sputum, the replacement frequency is reduced, the treatment cost is reduced, and danger to the patient is avoided.

1. The name of the design product: Artificial nose base prosthesis (linkage sail). 2. The use of the design product: Prosthesis for rhinoplasty. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

Conventional artificial noses have the problem that sputum and other substances mixed with the patient's exhaled breath can cause airway obstruction within the artificial nose housing. [Solution] In the artificial nose 10 of the present invention, a plurality of recesses 41 are formed around the opening 27B on the end face 27A of the housing portion 20, and a first wall portion 42 is formed that extends to the inside of the opening 27B. With this structure, even if sputum 61 mixed in the patient's exhaled breath enters the housing portion 20, the sputum is retained in the recesses 41, making it less likely for airway obstruction by sputum 61 to occur. As a result, the respiratory burden on the patient is reduced, and clogging of the first filter 33 due to the sputum 61 is prevented.

The invention discloses an artificial nose integrated broken tube alarm system based on MEMS air pressure induction, and relates to the technical field of medical instruments. The system comprises an artificial nose body, an MEMS air pressure sensor and a flow detection element which are arranged in the artificial nose body, and a control module, an electronic buzzer, a passive acoustic whistle structure and a power supply module which are arranged outside the artificial nose body. Redundant logic judgment is carried out through air pressure and air flow double signals, normal fluctuation and pipe breakage events are effectively distinguished, and the false alarm rate is remarkably reduced; and a double-insurance alarm mechanism is formed by the electronic buzzer and the mechanical reed, so that even under the extreme condition of battery failure, the passive acoustic reed can still give an alarm through sounding, and extremely high reliability is realized. The whole system is disposable consumables, the circuit is simple, the cost is low, the system and the artificial nose can be integrally packaged and independently work, the system is particularly suitable for operating rooms, ICUs, patient transfer and other scenes, and the problems that in the prior art, dependence on host equipment is high, alarm is delayed, and power failure fails are effectively solved.

The utility model relates to the technical field of medical instruments, and discloses a nasal tube connecting component with a plugging function, which comprises a connecting tube, an arc-shaped rubber ring is sleeved on the outer surface of the connecting tube close to the upper end, and an annular movable plate is movably sleeved on the middle point of the outer surface of the connecting tube close to the upper end. A second rotating cylinder is rotatably arranged on the lower end face of the annular movable plate, a first rotating cylinder sleeves the outer surface, close to the lower end, of the connecting pipe in a threaded mode, an annular fixing block fixedly sleeves the midpoint of the outer surface of the connecting pipe, a connecting block is fixedly arranged on one side of the outer surface of the annular fixing block, and a connecting belt is rotatably arranged on one side of the connecting block; a pipe blocking piece is fixedly arranged at the end, away from the connecting block, of the connecting belt. According to the utility model, the artificial nose and the inner sleeve can be connected through the arranged connecting pipe as required, and meanwhile, when the connecting pipe needs to be plugged, the artificial nose can be taken down, and the pipe plugging piece is embedded into the connecting pipe, so that the connecting pipe is plugged.

The invention relates to the technical field of artificial noses, and discloses a carbon dioxide monitoring artificial nose with sputum suction and bronchofiberscope examination functions, which comprises a main pipeline, a branch pipe connected to the side wall of the main pipeline, an artificial nose assembly connected to the branch pipe, a first rotary joint connected to the lower end of the main pipeline, and a second sealing cover clamped to the upper end of the main pipeline, a sputum suction hole is formed in the upper end face of the second-layer sealing cover, a first-layer sealing cover is clamped to the upper end of the second-layer sealing cover, and a Luer connector is arranged at the upper end of the first-layer sealing cover. According to the device, the design of the double-layer sealing cover capable of being uncovered is adopted, and the structure allows medical staff to selectively open different sealing layers according to operation requirements under the condition that a breathing circuit of a patient is not disconnected. And when sputum suction or bronchofiberscope examination is carried out, an operation channel can be established without separating equipment, so that the leakproofness of a breathing loop is maintained to the maximum extent.