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27 results about "Nasal duct" patented technology

The nasolacrimal duct (sometimes called the tear duct) carries tears from the lacrimal sac of the eye into the nasal cavity. The duct begins in the eye socket between the maxillary and lacrimal bones, from where it passes downwards and backwards.

Nasal medicine applying nursing device for patient in otolaryngology department

PendingCN121314051AMedical devicesOtolaryngology/ENTThroat
The invention belongs to the field of medical instruments, and provides an otolaryngological patient nose medicine applying nursing device which comprises a nasal tube, a medicine inlet is formed in one side of the nasal tube, a sealing plug is in threaded connection with the side wall of the medicine inlet, a medicine outlet is formed in the other end of the nasal tube, an adjusting tube is fixedly installed at the upper end of the nasal tube, and an adjusting piece is arranged on the upper side of the adjusting tube. An upper cavity and a lower cavity are formed in the nasal tube, the upper cavity is communicated with the medicine inlet, the lower cavity is communicated with the medicine outlet, a through hole is formed between the upper cavity and the lower cavity, a partition plate is arranged on the lower side of the through hole in a sliding mode, and a plurality of evenly-distributed sliding columns are fixedly installed on the lower surface of the lower cavity; by arranging a mechanical linkage mechanism composed of the upper cavity, the lower cavity, the through hole, the partition plate with the reset spring and the extrusion block driven by the adjusting piece, quantitative and controllable conveying of liquid medicine is achieved, when the adjusting piece is operated, a user can indirectly control medicine feeding in an operation mode such as rotation, and operation is more labor-saving and accurate.
Owner:CIXI THIRD PEOPLES HOSPITAL MEDICAL HEALTH GROUP (CIXI THIRD PEOPLES HOSPITAL)

Bridle delivery system having reduced-contact bridle

A securement device for a system for securing a nasal tube is provided. The securement device includes a bridle having a body extending between a first end and a second end. The body has a lobed or star shape. The securement device further includes a magnetic connection portion disposed at the first end of the bridle. A system for securing a nasal tube can include a securement device as described above, and a retrieval probe. The retrieval probe can include a catheter extending between a proximal end and a distal end; and a magnetic tip disposed at the proximal end. The magnetic connection portion of the bridle and the magnetic tip of the retrieval probe can be configured to magnetically couple during a procedure for inserting the bridle in a nasal passageway of a patient.
Owner:AVENT INC

Oxygen tube nose clip for clinical breathing

ActiveCN223716159URespiratorsOxygen inhaledVentilation tube
The utility model relates to the technical field of medical instruments, and discloses an oxygen tube nose clip for clinical respiration, which comprises an oxygen tube, two nasal ventilation tubes are fixedly connected to the middle of the oxygen tube, a plurality of air outlets are arranged outside the nasal ventilation tubes, a fixing ring is fixedly connected to the top of each nasal ventilation tube, and the oxygen tube is fixed to the fixing ring. The inner wall of the fixing ring is fixedly connected with a connecting assembly used for being connected with a follow-up mechanism, the other end of the connecting assembly is fixedly connected with a piston, the inner wall of the stuffy nose tube is slidably connected with a foam light ring, and the outer wall of the fixing ring is fixedly connected with a fixing assembly used for fixing the nasal splint to the nasal cavity opening of a patient. The fixing assembly comprises a plurality of springs, and the close ends of the springs are fixedly connected to the outer wall of the fixing ring. According to the oxygen supply device, the breathing process and the exhaling process are separated, oxygen and exhaled air are prevented from being mixed during secondary breathing, the purity of oxygen inhaled by a patient is guaranteed, and the oxygen supply effect and the treatment effect are improved.
Owner:FIRST PEOPLES HOSPITAL OF QUJING

Improved disposable sterile oxygen suction tube

This utility model provides an improved disposable sterile oxygen inhalation tube, including a flared inlet tube, an ultra-soft nasal inlet tube, an adjusting ring, a connecting tube, and a catheter. The air inlet end of the catheter is fixedly connected to one end of the flared inlet tube, and the ultra-soft nasal inlet tube is fixedly connected to the catheter via the connecting tube. This utility model relates to the technical field of disposable oxygen inhalation tubes. By setting up a storage mechanism, this utility model allows the ultra-soft nasal inlet tube and catheter to be bent and moved near the flared inlet tube. Then, the flared inlet tube is rotated towards the storage box, causing the strap to wrap around the flared inlet tube, ultra-soft nasal inlet tube, and catheter. Finally, when the first Velcro fastener and the second Velcro fastener are attached together, the catheter and ultra-soft nasal inlet tube are bound together. Afterward, it is placed in the storage box, the lid is closed, and the male and female fasteners are connected, thus preventing catheter contamination and reducing the risk of hospital-acquired infections.
Owner:CHINESE PEOPLES ARMED POLICE FORCE BEIJING CORPS HOSPITAL

Nasal oxygen supply apparatus

The present application discloses a nasal oxygen supply apparatus, comprising: a cylinder, an oxygen supply tube attached to both ends of the cylinder and communicating with an inner cavity of the cylinder; a nasal tube for insertion into a nostril of a patient so that oxygen provided by the oxygen supply tube enters the inner cavity and is supplied to the nostril of the patient through the nasal tube; an exhalation valve allowing exhaled gas from the nostril of the patient to flow to the outside while limiting outside air from entering the inner cavity when the patient inhales; a throttle valve for making the pressure of oxygen in the downstream inner cavity less than the pressure of oxygen in the upstream inner cavity; a valve structure comprising a valve cavity and a valve component, both ends of the valve cavity communicating with outside air and the inner cavity respectively, the valve component being arranged in the valve cavity for controlling the opening and closing of the valve cavity; when the pressure in the oxygen supply tube is greater than a preset pressure, the valve component generates a first action to close the valve cavity, and when the pressure in the oxygen supply tube is less than the preset pressure, the valve component generates a second action to open the valve cavity.
Owner:FIRST HOSPITAL AFFILIATED TO GENERAL HOSPITAL OF PLA

Lacrimal passage flushing operation model

ActiveCN224190579UCosmonautic condition simulationsEducational modelsCanaliculus lacrimalisAnatomy
The utility model discloses a lacrimal passage flushing operation model which comprises a simulation skull, a simulation muscle patch, a simulation lacrimal passage system and a simulation skin patch, and a patch mounting groove is formed in the front face of the simulation skull; the simulated muscle patch is attached to the simulated skull and located in the patch mounting groove; an assembly groove is formed in one side, facing the simulated skull, of the simulated muscle patch; the simulated lacrimal passage system is arranged in the assembly groove; the simulation skin patch is attached to the simulation skull and covers the simulation muscle patch. The lacrimal passage structure is displayed in a layered mode according to the sequence of three-dimensional anatomy, the lacrimal passage flushing scene is simulated, on-off switches can be arranged at the positions of a lacrimal canaliculus, a lacrimal duct, a nasolacrimal duct and the like, different lesion conditions can be simulated, the scene of lacrimal passage flushing operation can be visually and truly displayed in the teaching process, and the teaching efficiency is improved. And the learning and training effects of students can be improved.
Owner:SHENZHEN PEOPLES HOSPITAL

Nasal inhalation structure for oxygen inhalation

The utility model discloses a snorting structure for oxygen uptake, which comprises a bottom support, a cover body, a joint and belt bodies, two nasal tubes are arranged on the bottom support, the bottom support is arranged at the bottom of the cover body, the nasal tubes are communicated with the space enclosed by the cover body, the joint is arranged on the cover body and communicated with the space enclosed by the cover body, one end of each belt body is arranged on the cover body, and the other end of each belt body is connected with the cover body. And the other ends of the two belt bodies are respectively provided with a connecting buckle. According to the snorting structure for oxygen inhalation, the free ends of the two band bodies can be connected through the binding band, when oxygen inhalation is needed, an oxygen catheter on an oxygen generator is inserted into the connector, the binding band is sleeved on the head to be fixed to ensure that the two nasal tubes on the bottom support are inserted into the nostrils, and after oxygen inhalation is completed, when storage and tidying are needed, the binding band is fixed to the connector. The oxygen catheter on the oxygen generator is pulled out from the connector, the snorting structure is independently stored and tidied, the oxygen catheter does not need to be stored together, wearing and storage are very convenient, and adhesive tape does not need to be used for bonding and fixing when the oxygen generator is worn.
Owner:GUANGDONG OWGELS SCI & TECH CO LTD

Nasolacrimal duct expansion assembly and nasolacrimal duct expansion system

ActiveCN224251631UBalloon catheterEye surgeryAnatomyNasolacrimal canal
The utility model discloses a nasolacrimal duct dilatation assembly and a nasolacrimal duct dilatation system.The nasolacrimal duct dilatation assembly comprises a sacculus body provided with a pressurizing cavity; the hard elastic piece is arranged on the balloon body, the hard elastic piece at least extends to the second end of the balloon body from the first end of the balloon body, the first end of the elastic piece is provided with a spherical part, and the spherical part is located at the first end of the balloon body; the catheter is arranged at the second end of the balloon body, the catheter is provided with a first communication port and a first channel, and the first channel is communicated with the pressurizing cavity and the first communication port.
Owner:BIOVAS (WUHAN) MEDICAL TECH CO LTD

Indwelling catheter for nasolacrimal duct recanalization

ActiveCN224070672UEye surgeryMedical devicesNasolacrimal canalRight lacrimal sac
The utility model discloses an indwelling catheter for nasolacrimal duct recanalization, which comprises a catheter body, a first catheter and a second catheter, the first catheter is made of elastic materials, the inside of the first catheter is centered, the second catheter is positioned on one side of the first catheter, the second catheter is communicated with the outside through a one-way valve, and the other end of the second catheter is communicated with a liquid storage bag; the liquid storage bag is arranged in the catheter body, and the distance between the liquid storage bag and the outer wall of the catheter body is smaller than that between the liquid storage bag and the first catheter; the through groove is wound on the outer wall of the pipe body, the cross section of the through groove is circular, a functional strip made of a porous silica gel material is embedded in the through groove, and a sensor is further arranged in the functional strip; and two pull wires are provided. The pull wire penetrates through the nasolacrimal duct, the duct body is pulled to penetrate into the nasolacrimal duct, the duct body stays in the nasolacrimal duct, one end of the first duct is close to the lacrimal sac, the other end of the first duct is communicated with the nasal cavity, and tears are drained into the nasal cavity; the liquid storage bag expands after being filled with water and is clamped in the lacrimal sac, and the functional strip arranged in the through groove can slowly release medicine, collect data through the sensor and transmit the data to external equipment.
Owner:XIAMEN EYE CENTER OF XIAMEN UNIVERSITY CO LTD

Pulse oxygen supply device with nasal suction connector provided with reinforcing mechanism

ActiveCN223746793URespiratorsCatheterEar shapingOral problems
The utility model relates to the technical field of oxygen supply devices, and discloses a pulse oxygen supply device with a nasal suction connector provided with a reinforcing mechanism, which comprises an oxygen supply machine body, the output end of the oxygen supply machine body is communicated with a nasal oxygen tube, the nasal oxygen tube is provided with two branch tubes, the tail ends of the two branch tubes are jointly communicated with a nasal tube, and the nasal tube is provided with a reinforcing mechanism. The ends, deviating from the nasal tube, of the two branch tubes are jointly sleeved with a second auxiliary clip, the second auxiliary clip can be clamped on clothes, first auxiliary clips are clamped on the two branch tubes, and the first auxiliary clips are clamped on ears. The device solves the problems that after the device is worn for a long time, blood vessels behind the ears are pressed, and the clamping force is insufficient due to the ear shape; the pressure on ears is reduced while stable wearing is maintained, and the use comfort is improved.
Owner:JIANGSU JINPENG AEROSPACE INTELLIGENT EQUIP CO LTD

Nasolacrimal duct pot

ActiveCN309661576SNasal passageNebulizer
1. The name of the design product: nasal tube. 2. The use of the design product: accessories for nebulizer. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.
Owner:SHENZHEN JERMEI MEDICAL DEVICE TECH CO LTD

Lacrimal passage flushing demonstration model

ActiveCN224020363UEducational modelsCatheterNasolacrimal duct
The utility model discloses a lacrimal passage flushing demonstration model, and belongs to the technical field of medical teaching aids. The lacrimal passage flushing demonstration model comprises a lacrimal passage model plate and a lacrimal passage simulation pipeline arranged on the lacrimal passage model plate, wherein the lacrimal passage model plate is a plate body with a lacrimal passage pattern; the lacrimal passage simulation pipeline comprises an upper lacrimal passage simulation tube, a lower lacrimal passage simulation tube and a nasolacrimal duct simulation tube which are communicated through a three-way connector, catheter clamps are arranged on the upper lacrimal passage simulation tube, the lower lacrimal passage simulation tube and the nasolacrimal duct simulation tube, and the lacrimal passage simulation pipeline is fixed to the lacrimal passage model plate. And the upper lacrimal passage simulation tube, the lower lacrimal passage simulation tube and the nasolacrimal duct simulation tube are in one-to-one correspondence with the positions of the upper lacrimal passage, the lower lacrimal passage and the nasolacrimal duct in the lacrimal passage pattern on the lacrimal passage model plate. According to the utility model, the lacrimal passage simulation pipeline is arranged on the lacrimal passage model plate, and lacrimal passage flushing demonstration is carried out based on the lacrimal passage simulation pipeline, so that visual lacrimal passage flushing training is realized, and development of teaching work of new nurses or interns is facilitated.
Owner:QIANJIANG CENT HOSPITAL

Nasolacrimal duct biopsy kit

FIELD: medical equipment.SUBSTANCE: kit for collecting biomaterial from the nasolacrimal duct. The kit for collecting biomaterial from the nasolacrimal duct contains a hollow probe and is equipped with a 100 mm long rod with a diameter of 0.7 mm and a tip for collecting biomaterial. The probe is 70 mm long, has a wall thickness of 0.1 mm, a diameter of 1.0 mm, and a funnel-shaped expansion at the entrance with a diameter of 10 mm. The probe is equipped with a graduated scale with a step of 1 mm. A mandrel with a length of 100 mm and a diameter of 0.8 mm is movably installed in the probe. The set is made of polylactide using a 3D printer.EFFECT: prevention of trauma to the lacrimal ducts, contamination of material during collection, possibility of obtaining contents for microbiological examination of the lacrimal ducts, and use in routine ophthalmological practice.1 cl, 1 dwg, 2 ex
Owner:FEDERALNOE GOSUDARSTVENNOE BYUDZHETNOE OBRAZOVATELNOE UCHREZHDENIE VYSSHEGO OBRAZOVANIYA BASHKIRSKIJ GOSUDARSTVENNYJ MEDITSINSKIJ UNIV MINISTSTVA ZDRAVOOKHRANENIYA ROSSIJSKOJ FEDERATSII

Oxygen inhalation tube convenient to wear

The utility model relates to the technical field of medical instruments, in particular to an oxygen inhalation tube convenient to wear, which comprises a main breather tube and a nasal tube. The nasal tube is annular, the tail end of the nasal tube is communicated with the main breather tube, and a breathing head is arranged at the front end of the nasal tube; a connector is arranged at the tail end of the main breather pipe; and the nasal tube is provided with a decompression part corresponding to the ear part. The pressure reduction parts are arranged at the positions, corresponding to the ears, of the nasal tube, so that the pressure of the nasal tube on the ears during wearing can be effectively reduced, pressure sores caused by long-time wearing are avoided, and the wearing comfort of a patient is remarkably improved.
Owner:LONGQUAN PEOPLES HOSPITAL

Nasal tube with two channels

The invention discloses a nasal tube with two channels, and relates to the technical field of medical instruments, the nasal tube comprises a tube body, the two ends of the tube body are of opening structures, the opening structure at one end is connected with a first connector, the opening structure at the other end enters the stomach or small intestine along the esophagus after being inserted into the nasal cavity of a patient, and a liquid outlet area is arranged on the outer wall of the end, close to the first connector, of the tube body; an inner pipe is connected to the inner wall of the end, close to the first connector, of the pipe body, one end of the inner pipe extends out of the outer wall of the end, close to the first connector, of the pipe body and is connected with a second connector, the other end of the inner pipe is of a closed structure, and liquid outlet small holes communicated with one another are formed in the side of the closed structure and the surface wall of a liquid outlet area of the pipe body. And the space in the inner pipe and the space in the pipe body are mutually independent. Effective injection of pain relieving liquid medicine is achieved, direct operation through an injector does not need to be frequently used, the contact frequency of external instruments and the nasal cavity is reduced, the risk of nasal cavity infection is reduced, and health and safety of a patient are guaranteed.
Owner:JIANGSU PROVINCE HOSPITAL (THE FIRST AFFILIATED HOSPITAL OF NANJING MEDICAL UNIVERSITY) +1

A lacrimal passage segmentation and report intelligent writing method and system for lacrimal passage radiography CT

The present application relates to medical image processing technology, a kind of tear duct segmentation and report intelligent writing method and system for lacrimal passage radiography CT.The present application takes CT image as input, first, identify the key area of tear duct and tear duct obstruction, and adopt multiple expert model according to the four angles of lacrimal sac, nasolacrimal duct, eyeball, nasal cavity, divided into multiple fields, finally, through text writing expert model, generate the report that conforms to professional specification.
Owner:ZHEJIANG UNIV

Children nasal oxygen cannula fixer

The utility model discloses a child nasal oxygen cannula fixator which comprises a silica gel pressing strip, a hook-and-loop fastener strip, a hook-and-loop fastener short belt, a hook-and-loop fastener long belt, a sewing thread, a lower tightening belt, an upper tightening belt and a friction rib, a cannula clamping groove is formed in the middle of the surface of the silica gel pressing strip, and a main cannula body of a nasal cannula is clamped in the cannula clamping groove. The two ends of the nasal oxygen cannula body are communicated and connected with the nasal oxygen cannula body, the fixing device for fixing the nasal oxygen cannula body is arranged, the silica gel pressing strip serves as a main body part of the fixing device attached to the skin, and then the silica gel pressing strip can be tied to the afterbrain and the rear neck of a child in a splayed mode through the upper tying belt and the lower tying belt. The back face of the silica gel pressing strip makes contact with the skin of the child through the friction ribs to achieve anti-skid contact, the nasal insertion tube of the nasal oxygen cannula body can be tied to the surface of the silica gel pressing strip through the hook-and-loop fastener structure to be fixed, meanwhile, the nasal oxygen cannula body can be wound out of a tying belt from the position behind the ears of the child, and it is guaranteed that the nasal oxygen cannula body can be stably tied to the face of the child for use.
Owner:THE CHILDRENS HOSPITAL ZHEJIANG UNIV SCHOOL OF MEDICINE

Lacrimal passage flushing teaching model

The invention relates to the technical field of medical teaching appliances, in particular to a lacrimal passage irrigation teaching model, which comprises an eye model, and is characterized in that the eye model is provided with a lacrimal duct and a nasolacrimal duct; the on-off mechanism is arranged on the lacrimal duct and used for controlling the lacrimal duct to be in a connected or blocked state; the adjusting mechanism comprises an annular shell arranged on the lower side of the nasolacrimal duct, an elastic rubber barrel communicated with a nasolacrimal duct channel is installed in the middle of the annular shell, a plurality of elastic pieces distributed circumferentially are installed at the bottom of the annular shell, and the upper ends of the elastic pieces are obliquely arranged towards the axis of the elastic rubber barrel. A sliding ring used for pushing the elastic pieces to move is longitudinally installed in the annular shell in a sliding mode. The teaching model can simulate common conditions in a lacrimal passage flushing process, namely lacrimal passage smoothness, lacrimal ductule blockage, lacrimal duct blockage and nasolacrimal duct stenosis, and can adjust the stenosis of the nasolacrimal duct, so that students can comprehensively know various conditions of lacrimal passage flushing.
Owner:CHINESE PEOPLES LIBERATION ARMY ARMY SPECIAL MEDICAL CENTER

Lacrimal passage model teaching aid

ActiveCN224036014UEducational modelsNasolacrimal canalLower lacrimal canaliculus
The utility model relates to the technical field of medical teaching instruments, and particularly discloses a lacrimal passage model teaching aid which comprises a base, a rotating seat rotationally arranged at the top end of the base and a light-transmitting plate arranged on one side of the top end of the rotating seat. The lacrimal passage structure is arranged on the outer side of the light-transmitting plate and is used for simulating a lacrimal passage flushing state; the lacrimal passage structure comprises an upper lacrimal ductule, a lower lacrimal ductule arranged on the lower right portion of the upper lacrimal ductule and a nasolacrimal duct arranged on the right portion of the lower lacrimal ductule, and the upper lacrimal ductule, the lower lacrimal ductule and the nasolacrimal duct are communicated with one another. The adjusting structure is arranged on one side of the light-transmitting plate at the top end of the rotating seat, and the adjusting structure is used for extruding the lacrimal passage structure to block fluid passing through the lacrimal passage structure. Through the arrangement of the lacrimal passage structure and the adjusting structure, a teacher can conveniently simulate various states of lacrimal passage flushing so as to improve the learning effect of students; and through the arranged clamping structure, manpower can be saved, and the teaching aid can be better operated in teaching.
Owner:JINHUA TRADITIONAL CHINESE MEDICINE HOSPITAL

Pullover type adjustable breathing machine nasal tube

The utility model discloses a pullover type adjustable breathing machine nasal tube which comprises a mesh enclosure and a nasal tube, a fixing band is installed below the mesh enclosure, side connecting bands are installed on the left side and the right side of the fixing band, a fixing plate is installed on the side wall of each side connecting band, the nasal tube is connected to the fixing plate in a clamped mode, and the nasal tube comprises a fixing tube body, a connecting tube body, an insertion tube body and a nasal insertion tube body. The left side of the fixing pipe is inserted into one end provided with the connecting pipe, the right side of the fixing pipe is inserted into one end provided with the intubation pipe, nasal intubation pipes are inserted into the upper walls of the fixing pipe and the intubation pipe, and the ends, located in the fixing pipe, of the connecting pipe and the intubation pipe are sleeved with sealing rings. According to the device, the two nasal intubation tubes are arranged on the fixing tube and the intubation tube respectively, the distance between the two nasal intubation tubes is adjusted by adjusting the positions of the intubation tubes, the device can adjust the distance between the two nasal intubation tubes according to the positions of the two nostrils of a child patient, and the flexibility of the device is improved.
Owner:JILIN UNIVERSITY

Nasal feeding tube fixing structure for digestive system department nursing

The utility model relates to a nasogastric feeding tube fixing structure for digestive system department nursing, which comprises a nursing nasogastric feeding tube, a nasal tube and a nasogastric feeding tube patch, the nursing nasogastric feeding tube is fixedly connected with the nasal tube in a penetrating manner, and the nasogastric feeding tube patch is arranged on the nasal tube; a nasal plug sponge block is installed in the middle of the nasal tube, a plugging rubber hole sleeve is arranged at the rear end of the nasal plug sponge block, and the nasal tube between the nursing nasal feeding tube and the nasal plug sponge block is sleeved with the plugging rubber hole sleeve. A fixing notch is formed in the middle of the nasal feeding tube patch, and a fixing adhesive tape is arranged on the fixing notch. When the nasal feeding tube is used, the plugging rubber hole sleeve wraps the nostrils of a patient for fixing and wrapping, normal breathing is performed through the plugging rubber hole sleeve, the gastroenterology department nursing nasal feeding tube is fixed through the two fixing adhesive tapes and the nasal feeding tube paste, and the adhesive tapes are prevented from being fixedly attached and plugged in the nostrils of the patient through the nasal feeding tube. The normal breathing of the patient is facilitated by plugging the hole of the rubber hole sleeve, the patient is prevented from breathing impassability, and the gastroenterology department nursing nasal feeding tube is manually separated.
Owner:NORTHERN JIANGSU PEOPLES HOSPITAL

Nasopharyngeal washing device for otolaryngology

ActiveCN120037106BCannulasEnemata/irrigatorsPosterior narisToxicant
The application belongs to the technical field of medical devices, and provides a nasal cavity decontamination device for otolaryngology, which comprises a liquid distribution assembly, a nasal washing tube, a liquid spraying channel, a cleaning brush and a driving mechanism. The hair is washed before formal decontamination of the nasal cavity, so that radioactive fallout, radioactive or chemical toxic dust, etc. entering the nasal cavity can be thoroughly and finely washed and removed from the hair, reducing the risk of internal radiation and reducing chemical toxic residue. At the same time, when the nasal cavity is formally decontaminated later, the hair can effectively prevent radioactive particles, radioactive dust, chemical toxic particles, etc. from blocking the posterior naris when the nasal cavity is directly decontaminated, avoiding affecting the entry of the cleaning waste liquid into the other nasal cavity and the discharge, thereby improving the decontamination efficiency, and avoiding discomfort for the user during decontamination, avoiding secondary pollution, aspiration and even suffocation.
Owner:THE 971ST HOSPITAL OF THE CHINESE PEOPLES LIBERATION ARMY NAVY

Clinical vital capacity training device for respiratory medicine department

The utility model provides a clinical vital capacity training device for respiratory medicine, which relates to the technical field of medical instruments and comprises a machine box and a breathing seat, the breathing seat is arranged outside the machine box, and a nasal tube groove and a mouth tube are formed on the breathing seat. An external air pipe which is divided into an outlet end and an inlet end is arranged between the nose pipe groove and the machine box and between the end part of the mouth pipe and the machine box in a penetrating manner; the utility model has the beneficial effects that the expiration amount can be limited by limiting the volume of the tube cavity through the two inflating tubes which are oppositely arranged, and trainees are prompted to inhale and expire through the closing of the expiration pipeline and the opening and closing of the inspiration pipeline in corresponding states; circulation of inflation, resetting and inflation is carried out through constant air flow in the pipeline structure, training personnel can carry out expiration and inspiration training of equal-length failure, the problems that a traditional training device is poor in training effect and excessive in training due to the fact that a patient only depends on autonomous breathing judgment to carry out training are solved, and the training effect and safety of the device are improved.
Owner:YICHANG NO 2 PEOPLES HOSPITAL

Nasal tube connecting assembly with plugging function

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.
Owner:SHENSHAN MEDICAL CENT MEMORIAL HOSPITAL OF SUN YAT-SEN UNIV

Multi-modal image fusion nasolacrimal duct obstructive disease diagnosis and grading system

PendingCN121983289Arich dimensionAutomatically suppress background noise interferenceMedical automated diagnosisBiological modelsAnatomical structuresNasolacrimal duct obstruction
The invention relates to the technical field of medical image processing, and discloses a multi-modal image fusion nasolacrimal duct obstructive disease diagnosis and grading system which comprises the following steps: acquiring head CT data, performing space standardization, and generating osseous channel and soft tissue channel input tensors based on double-window parameters; a double-flow attention interaction network is constructed, a spatial attention mask is generated by using a bony feature extraction branch, and weighted fusion is performed on the pathological features of the soft tissue through a topology guide attention unit; a semi-supervised model training module is adopted, a consistency constraint strategy is executed on unlabeled samples, and network parameters are updated by minimizing a composite loss function; and finally outputting disease property classification and blocking degree grading results. According to the method, the bony anatomical structure and the soft tissue pathological information can be effectively combined, the model performance is improved by using the unlabeled data, and high-precision automatic diagnosis and grading of nasolacrimal duct blockage are realized.
Owner:GAOBEIDIAN TONGYUAN TECHNOLOGY CO LTD

Pressure sore prevention oxygen pipe convenient to adjust

The utility model relates to the technical field of oxygen tubes, in particular to a pressure sore prevention oxygen tube convenient to adjust, which comprises an oxygen tube main body, two sides of the outer wall of the oxygen tube main body are respectively provided with a hanging lug assembly, and the outer wall of the oxygen tube main body is provided with a nasal tube assembly positioned between the two hanging lug assemblies. A sliding barrel is conveniently fixed to the outer wall of a nose main tube through a hoop, an upper nose sore-preventing patch and a lower nose sore-preventing patch are arranged, one end of a connecting rod is slidably connected to the interior of the sliding barrel, and the connecting rod slides to drive the nose sore-preventing patches to move, so that the distance between the upper nose sore-preventing patch and the lower nose sore-preventing patch is adjusted; the size of the anti-sore patch formed by the two nose anti-sore patches can be adjusted according to different patients, the applicability is high, adjustment is convenient, the use comfort of the patients is improved, the nose anti-sore patches are made of soft breathable materials, the outer walls of the nose anti-sore patches are provided with the breathable holes, the breathability is good, skin and outside air are communicated, and therefore pressure sores are prevented.
Owner:THE FIRST AFFILIATED HOSPITAL OF HENAN UNIV

Nasal oxygen supply component

The utility model discloses a nasal oxygen supply component which comprises a component body, a fluid channel is arranged in the component body, the fluid channel transversely moves and extends to the two ends of the component body to form an air inlet connector used for being connected with oxygen supply cartilage, and the middle of the fluid channel extends towards the rear side to form two air outlet connectors. The number of the nasal tubes is two, the two nasal tubes are attached to the air outlet connector, and the nasal tubes are used for being inserted into nostrils; the humidifying component is arranged in the component body, the fluid channel penetrates through the humidifying component so that oxygen can pass through the humidifying component, the humidifying component can adsorb water, and when the oxygen passes through the humidifying component, the humidifying component humidifies the oxygen; the water box is attached to the component body and used for providing water for the humidifying component.
Owner:FIRST HOSPITAL AFFILIATED TO GENERAL HOSPITAL OF PLA