59 results about "Nasal endoscope" patented technology

An assisting tool (12) combined with a nasal endoscope (11) is provided. The assisting tool (12) has an insertion section (35) insertable through the other nostril as the endoscope (11). The assisting tool (12) has an attachment portion (36) attachable to a forceps inlet port (19) of the endoscope (11). The attachment portion (36) includes a forceps inlet port (42) and a bifurcated connecting channel for connecting the forceps inlet port (42) to both forceps channels in the assisting tool (12) and the endoscope (11). The insertion sections (16, 35) have fastening members (23, 24, 40, 41) to fasten these insertion sections together. The insertion sections (16, 35) are inserted through different nostrils and fastened together with the fastening members (23, 24, 40, 41), as their front faces are aligned in the area around the posterior nares, and then advanced together from the esophagus to the stomach.

The invention provides a follow-up type nasal endoscope operation auxiliary robot. The follow-up type nasal endoscope operation auxiliary robot comprises a guide rail adapter fitted to guide rails of different operation beds, an automatic lifting mechanism which is connected to the guide rail adapter and is lifted in the direction perpendicular to the operation beds, an automatic stretching mechanism which is connected to the tail end of the automatic lifting mechanism and stretches in a plane parallel to the operation beds, a two-degree-of-freedom RCM mechanism connected to the tail end of the automatic stretching mechanism, an automatic tail end adjusting mechanism which is connected to the tail end of the RCM mechanism and drives a nasal endoscope to conduct depth feeding and angle compensation and a controller which controls the automatic lifting mechanism, the automatic stretching mechanism, the RCM mechanism and the automatic tail end adjusting mechanism to move. A doctor is replaced with the robot in an operation to hold the nasal endoscope, appropriate adjustment in good time is carried out along with an operation instrument, the left hand of the doctor is liberated, picture swing occurring in the operation is overcome, the labor intensity of the doctor is reduced, and complications are reduced.

The invention relates to a nasal endoscope minimally invasive operation navigating system based on an augmented reality technique, comprising an infrared tracking camera, a three-dimensional scanner, a three-dimensional stereoscopic display, which are respectively connected with a computer, and a nasal endoscope which is connected with the three-dimensional stereoscopic display. Patient encephalic organization and a three-dimensional model of blood vessel and face skin are rebuilt by the computer; then, a first transition matrix of a three-dimensional scanner coordinate system and an infrared tracking camera coordinate system is multiplied by a second transition matrix of a three-dimensional scanner coordinate system and a three-dimensional model coordinate system of the face skin, the obtained result is multiplied by a third real time data of the position and the posture of the nasal endoscope which is obtained by the infrared tracking camera, a three-dimensional model image which is corresponding to an image which is captured by the nasal endoscope is real time rendered through the computer by the obtained data, and the image is real time overlapped with the image which is captured by the nasal endoscope and is displayed on the three-dimensional stereoscopic display, thereby realizing the blending of true and false images.

In an endoscope system, a nasal endoscope for entry in a first external nostril of a patient includes a first elongated tube, a first distal portion thereof, an imaging window, an instrument channel, a handle section, and a steering section. An assist device for entry in a second nostril includes a second elongated tube, a second distal portion thereof, and a working channel with a greater inner diameter than the instrument channel. A retaining device retains the second distal portion on the first distal portion removably and equidirectionally, to cause a second distal end surface to contact a lower peripheral part outside a first distal end surface lower than a horizontal line passing a center point of the imaging window when the first distal end surface is viewed in a state of orienting an upper side of steering of the steering section in an upward direction.

The invention provides a robot for assisting in a nasal endoscopic surgery. The robot comprises a self-adaption guide rail adaptation mechanism matched with a guide rail, a position coarse-adjustment mechanism and a pose fine-adjustment mechanism, wherein the self-adaption guide rail adaptation mechanism comprises a fixing piece arranged on the inner side of the guide rail, a connection piece arranged outside the guide rail and a fastener for connecting and fixing the fixing piece and the connection piece; the position coarse-adjustment mechanism comprises a first supporting arm, a first rotating joint, a first beam, a second supporting arm, a second rotating joint, a second beam and a parallel four-rod mechanism, the first supporting arm, the first rotating joint, the first beam, the second supporting arm, the second rotating joint, the second beam and the parallel four-rod mechanism are sequentially connected, and the first supporting arm is connected with the connection piece; the pose fine-adjustment mechanism comprises three ball joints, a driving piece and a clamping piece for clamping a nasal endoscope, and the parallel four-rod mechanism, the three ball joints, the driving piece and the clamping piece are sequentially connected. The robot is simple in structure, convenient to adjust, high in stability, safe and reliable.

The invention provides a method and system for automatically adjusting the pose of a nasal endoscope, and relates to the technical field of nasal endoscope pose adjustment. The method comprises the steps that the pose of a surgical instrument is acquired through optical locating equipment and a locating target spot arranged on the surgical instrument; the target pose of the nasal endoscope is calculated according to the relation between the pose of the surgical instrument and the preset relative poses of the surgical instrument and the nasal endoscope; the motion amounts of all joints of an endoscope holding robot are inversely obtained according to the target pose of the nasal endoscope and the acquired current pose of the nasal endoscope; all the joints are controlled to execute corresponding motion according to the motion amounts of all the joints of the endoscope holding robot so that the nasal endoscope can be automatically adjusted to the target pose. According to the method and system, the relatively stable position relation between the nasal endoscope and the surgical instrument is kept, and a clear surgery area image can be provided for a doctor. The doctor does not need to frequently manually adjust the nasal endoscope, the surgery efficiency and quality are improved, and the surgery time is shortened.

The invention discloses a paranasal balloon catheter system. In particular, the system comprises a paranasal guiding catheter assembly which comprises a paranasal guiding catheter, a paranasal control handle and a control structure. The paranasal guiding catheter and the paranasal control handle are integrated or are integrally formed; the control structure is used for controlling the bending angle of the front end of the paranasal guiding catheter; the front end of the paranasal guiding catheter can bent at an angle of alpha to form a bent region, wherein alpha is greater than or equal to 0 degree but smaller than 180 degrees; a side slot is formed in the paranasal control handle; a balloon is arranged on the paranasal balloon catheter body, a flushing hole is formed in the tip of the balloon, and a thread-guiding channel is formed in the center of the paranasal balloon catheter body; and a thread-guiding label tape is arranged on the outer surface of the paranasal guided thread, and the paranasal guided thread located in the side slot and the thread-guiding channel can move back and forth. The paranasal balloon catheter system disclosed by the invention is simple in structure, convenient to operate, suitable for the structure of the paranasal cavity and convenient for quickly and efficiently implementing a nasal endoscope minimally invasive surgery.

The invention discloses a nasal sinuses rinsing device, and belongs to the field of structural design of medical devices. According to the nasal sinuses rinsing device, due to the fact that a nasal endoscope tube, a rinsing tube and a suction tube are fixedly connected together, three tubes of the device can simultaneously extend into nasal sinuses only through one-time intubation, and the rinsing effect is observed under real-time feedback of a nasal endoscope; when rinsing is not conducted thoroughly, the working pressure of a miniature booster pump is adjusted in real time, the liquid quantity is increased, therefore, impulsive force of liquid coming from liquid outlet holes can rinse out foreign matter such as mould balls in the nasal sinuses, the nasal sinuses can be rinsed thoroughly at a time, the problems that in the prior art, due to the fact that the nasal endoscope, the rinsing tube and a water outlet tube need to be back and forth inserted into nasal sinuses multiple times through naris when the nasal sinuses is rinsed, pain of patients is increased, and the workload of medical staff is increased are solved, and the pain of the patients is relieved; meanwhile, the time for rinsing the nasal sinuses is greatly shortened, and the working speed of the medical staff is increased.

The invention discloses a nasopharyngeal carcinoma positioning segmentation method and system based on an image segmentation convolutional neural network, and the method comprises the steps: obtaining an electronic nose endoscopic image through employing a WLI mode and an NBI mode, inputting the electronic nose endoscopic image into a nasopharyngeal carcinoma diagnosis model based on the image segmentation convolutional neural network, obtaining a malignant tumor region marked by the diagnosis model, and carrying out the positioning segmentation of the nasopharyngeal carcinoma. The diagnosis system can judge the captured image in real time, mark the malignant tumor part in the nasopharyngeal carcinoma image, export the diagnosis result, intuitively judge whether the target lesion is the malignant tumor tissue or not and determine the boundary range of the malignant tumor lesion according to the malignant tumor lesion as long as the lens is focused on the suspicious lesion tissue in the nasopharyngeal cavity. Suspicious diseased regions are quickly selected for biopsy, so that the accuracy of nasopharyngeal carcinoma detection under a nasal endoscope is effectively improved, and the detection rate of biopsy is increased.

An adjustable flexible nasal endoscope belongs to the technical field of medical apparatus and instruments, and can solve the problem that the conventional nasal endoscopes are complex in structure and are poor in stability, hard nasal endoscopes cannot flex according to a natural cavity structure, expansion ball bags cannot perform expansion treatment in a visible situation and cannot directly perform washing and medicine changing in sinus cavities, and the application effect is poor. The adjustable flexible nasal endoscope includes a hand-held portion; a winding mechanism arranged on the back of the hand-held portion; a three-cavity flexible pipe passing through the hand-held portion and extending out from a front part, wherein a power channel, an optical fiber imaging channel, and an apparatus channel are arranged in the three-cavity flexible pipe in the length direction in parallel; a steel cap arranged on one end extending out of a front cover, of the three-cavity flexible pipe; a steel pipe sleeving the three-cavity flexible pipe, wherein one end of the steel pipe and the front end of the hand-held portion form a slide fit; a micro steel pipe arranged in a power channel of the three-cavity flexible pipe, wherein one end of the micro steel pipe is fixedly connected to a fixing block in a back cover, and the other end of the micro steel pipe is fixed on an end portion of the three-cavity flexible pipe; a steel wire arranged in the micro steel pipe, wherein one end of the steel wire is fixed on one end near the steel cap, of the micro steel pipe, and the other end of the steel wire extends out of the micro steel pipe and passes through the fixing block, and is connected to the winding mechanism through a guide wheel, and the working length of the steel wire can be changed through the winding mechanism.

A frontal sinus rongeur comprises a fixed handle, a movable handle, a push rod, a connection rod, a handle fixing pin, a movable tong head, a fixed tong head and a tong head fixing pin, wherein the fixed handle and the movable hand are connected in a rotating mode through the handle fixing pin, a handle groove hole is formed in the movable handle, a push rod moving pin is arranged in the handle groove hole in a matched mode, the push rod moving pin is arranged at the rear end of the push rod, the push rod is arranged in a groove-shaped sliding rail on the left side of the connection rod, the rear end of the connection rod is fixedly connected at the front end of the fixed handle, the front end of the connection rod is fixedly connected with the fixed tong head, the tong head moving pin is arranged at the front end of the push rod, the tong head moving pin is arranged in a tong head groove hole formed in the movable tong head in a matched mode, the movable tong head and the fixed tong head are connected in a rotating mode through the tong head fixing pin, the movable handle can be opened and closed vertically, and the fixed handle can be opened and closed horizontally. The frontal sinus rongeur can gradually crunch sclerotin attached to the upper end of the processus uncinatus under the monitoring of a nasal endoscope, is good in controllability and is not prone to damaging mucosal tissues at the recess position.

The invention discloses a multifunctional aspirator for nasal endoscope surgeries. According to the structure of the multifunctional aspirator, a built-in suction tube is led out of the appropriate height position of a suction tube of an existing suction device in a branched mode, the branched position of the suction tube is provided with a three-way ball valve, the three-way ball valve is respectively connected with a total suction tube, a conventional suction tube and the built-in suction tube and controls a conventional suction tube and the built-in suction tube to be opened, closed and switched, and the front end of the built-in suction tube is expanded to be a spherical suction head. During the surgeries, the built-in suction tube remains in the nasal cavity, continuous suction is formed to a surgery cavity, and the problem that surgeons frequently alternately replace and use the aspirator and other devices is solved.

The invention provides a Chinese herbal medicine compound preparation for treating chronic rhinitis-nasosinusitis. The Chinese herbal medicine compound preparation is prepared from the following raw materials in parts by mass: 10-60 parts of kudzuvine root, 10-30 parts of fructus forsythiae, 10-30 parts of cassia twig, 5-15 parts of cocklebur fruits, 10-30 parts of flos magnoliae, 10-40 parts of radix angelicae dahuricae, 10-30 parts of fritillary bulb, 10-60 parts of astragalus, 10-20 parts of ligusticum wallichii, 3-10 parts of asarum, 10-40 parts of desmodium microphyllum, 5-20 parts of gentian, 5-20 parts of centipede, 10-40 parts of fig, 10-40 parts of paederia scandens and 20-50 parts of semen coicis. Clinical preliminary study confirms that the Chinese herbal medicine compound preparation provided by the invention can relieve subjective symptoms such as nasal obstruction and running nose of a patient and relieve nasal mucosal hyperemia, edema, rhinorrhea and the like, and examination by virtue of a nasal endoscope shows that the Chinese herbal medicine compound preparation provided by the invention has better curative effect on the chronic rhinitis-nasosinusitis.

The movable nasal endoscope integrated suction cannula comprises a nasal endoscope, an endoscope cannula, a fixing buckle, a ball pair, a suction tube and a suction tube cannula; the fixing buckle andthe endoscope cannula are connected into a whole; the nasal endoscope penetrates through the fixing buckle and the endoscope cannula, and the endoscope cannula is fixed to the nasal endoscope throughthe fixing buckle; and the ball pair is arranged on the side face of the endoscope cannula, the endoscope cannula is connected to the suction tube cannula through the ball pair, and the suction tubepenetrates through the suction tube cannula. The ball pair is composed of a ball body and a shell, the shell is fixedly connected to the nasal endoscope cannula, an open spherical hole is formed in the front end of the shell, the ball body is fixedly connected to the suction tube cannula, the ball body is arranged in the shell, the ball body can move in the shell, and the moving range of the suction tube is enlarged. According to the movable nasal endoscope suction cannula, the suction tube and the nasal endoscope are combined together, the combination mobility is high, operation is convenient, and the suction effect is good.

The invention provides a nasal endoscope operation platform capable of adjusting postures of an operator and belongs to the technical field of medical equipment, aiming at solving the problems in the prior art that infection is easy to cause, the structure is complicated, resources are wasted, the operation is inconvenient and the operator easily feels tired. The nasal endoscope operation platform comprises an operation bed, an operation chair and a control device, wherein the operation bed can realize multi-degree-of-freedom posture adjustment; the operation chair is connected with a connecting plate of the operation bed through a connecting hinge; one side of a bottom plate of a chair body of the operation chair is connected with the connecting plate of the operation bed through a connecting hinge; a driving connecting interface is arranged on a lower end face of a bottom plate of the chair body; the driving connecting interface is located at one end part, far away from a connecting part of the operation chair and the operation bed, of the bottom plate; and a control box can be used for receiving a control instruction from a control pedal and sending the control instruction to a driver, and the operation chair is pushed to move through an output interface.

The invention discloses a nasal endoscope-irrigation-negative pressure suction integrated device and an automatic system, wherein a nasal endoscope lens and an endoscope body are organically integrated with a flushing tube and a negative pressure aspirator tube through a connecting piece easy to operate, and on the basis, operation automation is further achieved. The technical problem that the nasal endoscope is separated from the flushing tube and a negative pressure aspirator is solved, the visual field in the operation can be kept continuously clear, unnecessary complicated operation in theoperation is effectively reduced, and the operation efficiency and the operation effect are improved.

The invention relates to the field of health care appliances, and provides a nasal cavity health care appliance, including a neti pot, an intelligent electric control system, an automatic dosing device, a nasal endoscope detection device, and a nasal washing nozzle. Battery compartment and intelligent electronic control system, a switch is provided on one side of the neti pot, an automatic dosing device is provided at the upper end of the neti pot, an opening is provided at the upper end of the neti pot, and a The nasal endoscope detection device and the nasal washing nozzle are arranged opposite to each other. The invention has the advantage that for patients with rhinitis, they don't need to go to the hospital to see a doctor, and they can perform effective health care and treatment for their own rhinitis at home or other places at any time. It is safe to use and easy to carry.

The invention provides a drag hook for a nasal endoscope. The drag hook comprises a main body part (1) of the drag hook with a connection end and an open end, an insert part (2) and an endoscope fixing part (3). The insert part (2) is arranged at the connection end of the main body part (1) of the drag hook and can be detached relative to the main body part (1) of the drag hook. The endoscope fixing part (3) is arranged on the bottom surface of the main body part (1) of the drag hook and can be detached relative to the main body part (1) of the drag hook. A single operator can perform hook-dragging operation and illuminates a surgical field while conducting an operation on the nose. Furthermore, the drag hook for the nasal endoscope serves different functions.

The invention discloses a method for clinically and rapidly detecting biological membranization bacteria on nasal mucosa. The method comprises the following specific steps of: (1) preparing a reagent; (2) taking a target nasal mucosa sample, which is 0.3*0.3 cm, under a nasal endoscope; (3) putting a nasal mucosa tissue into a 2 ml epoxy resin (EP) tube, adding 0.5 to 1.5 ml of physiological saline into the tube and vibrating for 5 to 10 minutes; (4) dripping suspension on a slide, adding alcian blue on the slide, uniformly mixing the suspension and the alcian blue, standing for 3 to 5 minutes and heating and fixing with flame until dye liquor is fully volatilized; and (5) adding Congo red for uniform coating and covering, heating with the flame until the Congo red becomes dry, flushing with tri-distilled water, absorbing water, observing under an oil immersion lens and performing negative control on the physiological saline. In the method, a detection result is compared with a scanning electron microscope result and 100 percent of results are accordant. The method has the advantages of simple operation, low cost and extremely convenient clinical popularization in rhinology.

The invention provides a nasal endoscopic flushing and absorbing drag hook. The nasal endoscopic flushing and absorbing drag hook (100) comprises an endoscopic irrigation cannula (2) which can be fitted over the nasal endoscope and has an interface (1) at a proximal end for connection with the nasal endoscope; And a suction tube, which extends in the same direction as the endoscopic irrigation cannula (2) in such a manner as to cover at least a part of the surface of the endoscopic irrigation cannula (2), the suction tube (3) having a crescent-shaped, circular-like or circular shape in sectionperpendicular to its longitudinal direction, and the distal end of the suction tube (3) protrudes further distally than the distal end of the endoscopic irrigation cannula (2). The nasal endoscopic flushing and absorbing drag hook simultaneously has the functions of exposing the operation field, rinsing the lens and cleaning the hematocele of the operation field, so that the operation can be carried out simultaneously by a single operator, and the operation of exposing the operation field, rinsing the lens or cleaning the hematocele of the operation field and the operation of the nasal part can be carried out at the same time, and the operation becomes more convenient.

The invention discloses an intra-nasal disease real-time auxiliary diagnosis and treatment system based on Att-Res2-CE-Net, based on the Att-Res2-CE-Net; the Res2Net50 feature is used for extracting the backbone network, wherein a dense cavity convolution block DAC module and a residual multi-core pooling RMP module are embedded into an Attention U-Net network. The system comprises a video acquisition processing end, a cloud platform and a server end, wherein the video collecting and processing end comprises a plurality of nasal endoscope video collecting devices and is in wireless connection with the cloud platform, the cloud platform is in wireless connection with the server, the system is ingenious in design and reasonable in structure, the disadvantages and advantage analysis of all networks are integrated, wherein the advantages are enhanced and the disadvantages are avoided. Through combination of software and hardware, a target segmentation network and a target tracking network can be established on the server, and the real-time operation video provided by the video acquisition and processing end is used for accurately identifying and positioning nasal polyp, fungal sinusitis and nasal cavity tumor. The system is low in cost, flexible and convenient to use and capable of assisting doctors in diagnosis and improving diagnosis efficiency.

The invention relates to a nasal cavity scalpel, in particular to a nasal cavity scalpel for cutting the lacrimal sac of the nasal cavity, and belongs to the technical field of medical instruments. The endoscopic nasal cavity dacryocystectomy scalpel comprises a knife handle 1 and a knife head 2 mounted on one end of the knife handle 1. The knife head 2 is sickle-shaped and curved to the coronal plane. There are 3 knife points on the knife head 2 Upturned in the sagittal plane. The scalpel can cut any point on the inner wall of the lacrimal sac without damaging the outer wall of the lacrimal sac when cutting the inner wall of the lacrimal sac. It can also cooperate with the uncinate sickle knife to cut out the ideal shape of the lacrimal sac mucosal flap, open a large lacrimal sac nasal cavity, and effectively flip the mucosal flap, which is beneficial to prevent stoma atresia or stenosis, and greatly improve the lacrimal sac lacrimal sac in nasal endoscopy. Ostomy success rate.

A rotary type transnasal aneurysm clamp comprises a clamp head, a clamp rod and a clamp handle, the clamp head comprises a clamping head, the clamp handle comprises a rotary protrusion, and the clamp handle is only provided with a supporting column. According to the needle holding clamp, a pen type structure is adopted, the occupied space is small, the needle holding clamp is more suitable for the narrow environment clamped by a nasal endoscope, the clamp rod can rotate by 360 degrees, the opening and closing degree of the clamp head can be freely set, the needle holding clamp can be used in various different aneurysm operations, rotation of the clamp rod and opening and closing of the clamp head can be completed by one hand, a doctor can operate equipment such as the endoscope with the other hand, and the nasal endoscopic surgery can be conveniently carried out.

The invention provides a nasal cavity-lacrimal sac fistulation instrument with easy surgical operation and convenient use, and belongs to medical appliances. The nasal cavity-lacrimal sac fistulation instrument comprises a puncturing lever; the rear end of the puncturing lever is connected with a hand-held machine, while the front end is connected with a security ring; and the security ring is connected with a triangular puncture outfit which has a taper structure. The nasal cavity-lacrimal sac fistulation instrument is used for chronic dacryocystitis intranasal endoscopic nasal cavity-lacrimal sac re-dredging operations, can be operated in small nasal cavities and does not influence the use of a nasal endoscope so as to have clear visual field and ensure the smooth completion of the operations.

The invention discloses a real-time remote ear-nose-throat endoscopy method and system. The real-time remote ear-nose-throat endoscopy system comprises a base; a fixed box is fixedly installed at the upper end of the base; a packaging mechanism is fixedly installed on the outer wall of the base; a nasal endoscope assembly is fixedly installed at the upper end of the front face of the fixed box; a central chip generates information into a pathological report through a report processing module, is connected with the Ethernet through a WIFI module, or is connected with mobile equipment through an infrared module, an NEC module or a Bluetooth module, and uploads the pathological report to a server through a patient client, and a doctor logs in a doctor client through networking equipment such as a computer and the like; the client side is used for extracting the pathological report for remote diagnosis, target medicine is listed according to symptoms after diagnosis is completed, and a diagnosis result, a treatment mode and a medicine list are uploaded to the server, so that a patient can conveniently use the patient client side to extract and check the diagnosis result, the treatment mode and the medicine list through the server, the doctor can conveniently diagnose the patient, and the patient can conveniently see a doctor.

The invention provides a prognosis and health monitoring system for a nasal endoscopic surgery patient, and the system comprises a data service chain consisting of a plurality of data nodes, wherein the establishment of the data service chain comprises the step of sending a chain-in invitation to at least one nursing terminal; responding to the chain access invitation, enabling the nursing terminal to access the data service chain to become a nursing node of the data service chain; enabling the patient terminal to send a joining request for joining the data service chain to the monitoring system; enabling the monitoring system to broadcast a joining request to an existing data node of the data service chain, and determining whether to join the patient terminal into the data service chain to become a patient node of the data service chain based on a feedback result of the data service chain. Each data service chain further comprises an annular queue; and when it is determined that the patient terminal is added into the data service chain, updating the annular queue. According to the method, the prognosis and health monitoring of the nasal endoscopic surgery patient can be effectively realized by establishing the data service chain based on the annular queue.