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.

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 discloses a nasopharyngeal carcinoma auxiliary diagnosis model construction and auxiliary diagnosis method and system, and relates to the technical field of medical data processing. Thenasopharyngeal carcinoma auxiliary diagnosis model construction method comprises the steps: sample acquiring: acquiring a nasal endoscope image, wherein the nasal endoscope image comprises a nasopharyngeal carcinoma group and a non-nasopharyngeal carcinoma group; preprocessing: preprocessing the nasal endoscope image; and model training: inputting the preprocessed nasal endoscope image into a convolutional neural network, and training the convolutional neural network to obtain a nasopharyngeal carcinoma auxiliary diagnosis model. According to the invention, the nasopharyngeal endoscope image can be analyzed, and the predicted illness probability is output in real time to assist a doctor in nasopharyngeal carcinoma diagnosis, so that the accuracy of nasopharyngeal carcinoma diagnosis can beeffectively improved, and the biopsy detection rate is increased so as to achieve the purposes of early screening, early diagnosis and early treatment of nasopharyngeal carcinoma and improvement of treatment effect and prognosis of patients.

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 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.

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 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 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 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.