22 results about "Nasal septal" patented technology

The invention discloses bifidobacterium animalis and application thereof in allergic rhinitis products, and belongs to the technical field of microorganisms. The technical problem to be solved is that the existing common allergic rhinitis treatment means cannot meet the requirements of patients on safety, long-acting effect and treatment cycle. The invention provides an animal bifidobacterium subsp. Lactis Def +, and after an effective dose of animal bifidobacterium subsp. Lactis Def + is applied to a subject, the animal bifidobacterium subsp. Lactis Def + is found to be capable of remarkably relieving the allergic rhinitis symptom. Specifically, the symptoms of sneezing, dry nose and rhinocnesmus are reduced; the number of nasal septum mucosa intrinsic layer inflammation infiltration cells and nasal septum mucosa epithelium pathological changes are reduced; the IgA and IgE levels of serum are reduced; the levels of proinflammatory factors IL-4, IL-5 and IL-13 are reduced; the normal spleen index is maintained; the imbalance state of Th1 / Th2 and Th17 / Treg is effectively improved, and the body immunity is improved; a safe and long-acting scheme is provided for allergic rhinitis diseases.

The present invention relates to a pharmaceutical composition for treating cartilage damage diseases, comprising, as an active ingredient, magnetic nanoparticle-embedded nasal septal chondrocytes , and establishes a method for embedding magnetic nanoparticles into nasal septal chondrocytes and a method for preparing spheroids by culturing magnetic nanoparticle-embedded nasal septal chondrocytes. It was identified that the magnetic nanoparticle-embedded nasal septal chondrocytes prepared by the method of the present invention and spheroids prepared therefrom exhibit cartilage damage treatment activity while maintaining mobility in a magnetic field. In addition, since the activity is maintained even if spheroids are prepared by mixing magnetic nanoparticle-embedded nasal septal chondrocytes and nasal septal chondrocytes, the present invention can be effectively used as a composition for treating cartilage damage diseases that has an excellent therapeutic effect without causing side effects by having a significantly reduced addition ratio of the magnetic nanoparticles.

A catheter assembly for use in septoturbinatoplasty procedures. The catheter has a shaft and a primary balloon which comprises a base for positioning against the nasal floor, a roof opposed from the base and a side surface extending therebetween for bearing against a nasal septum and / or an inferior turbinate. The base has a width greater than the roof in a direction transverse to the axis of the shaft. The balloon can be inserted into a patients nasal cavity and inflated to realign the patient's septum and / or treat the turbinate.

Provided is an administration device having a novel structure with which makes it possible for any user to effectively administer a substance to be administered such as a powdery drug to the site called the olfactory region in the nasal cavity. This device includes: a gas generator; a valve part; an injection cylindrical body 50; a flexible portion 51 formed on the distal side of the injection cylindrical body 50; a nozzle end portion 53 having a discharge port 54; and a posture control projection portion 52. When the posture control projection portion 52 is positioned on the nostril floor, the flexible portion 51 deforms along the contour in the external nostril formed between the nasal septal cartilage and the upper lateral cartilage, while the nozzle end portion 53 is positioned on the nose-dorsum side around the region in the external nostril in which the upper lateral cartilage meets the nasal bone.

The utility model relates to a prone position body position pad for assisting ventilation of a premature infant, and belongs to the technical field of neonatal nursing tools. In order to solve the problem that an existing prone position pad cannot be used when a premature infant wears a breathing machine, the prone position pad is provided with a pad body part and a protection part, the pad body part is arranged in the protection part, the height of the pad body part is lower than that of the protection part, a face containing groove is formed in the pad body part, and the face containing groove corresponds to the head position of a newborn. The cavity is formed in the middle of the face containing groove, the opening is formed in the portion, corresponding to the cavity, of the protection part, and a pipeline for a newborn to wear the breathing machine extends to the outside through the cavity and the opening, so that the situation that a premature infant tilts towards one side or falls off when wearing the breathing machine is effectively avoided; meanwhile, the problem that breathing is affected due to the fact that a breathing machine presses the nasal septum of the child patient can be solved.

The invention discloses a pediatric patient anesthesia recovery state evaluation device and an evaluation method thereof, and relates to the field of intelligent medical treatment, the device comprises a double-gas-path module, the double-gas-path module comprises a main channel and an auxiliary channel, the main channel is used for collecting exhaled gas, and the auxiliary channel is used for providing low-flow oxygen to assist ventilation; the adjustable nose wing fixing clamp is connected with the double-gas-path module, the adjustable nose wing fixing clamp is used for being attached to the nasal septum of a monitored person, the miniature nasal cavity adaptive sensor module comprises a flexible silica gel substrate, a miniature infrared light source and a light-sensitive detector are integrated on the flexible silica gel substrate, and the miniature infrared light source and the light-sensitive detector are connected with the adjustable nose wing fixing clamp. The micro nasal cavity adaptive sensor module is arranged on the inner wall of the main channel; the airflow sampling module is arranged on the inner wall of the main channel. The invention provides a non-invasive, real-time, intelligent and high-precision solution for a high-risk and low-tolerance scene of postoperative anesthesia recovery of a pediatric patient.

The present invention discloses a clamp-type suture nasal septum anastomosis device, which includes a suture mechanism, a control mechanism connected to the proximal end of the suture mechanism, a positioning and pushing mechanism fixed to the distal end of the control mechanism, and a suture tensioning mechanism connected to the distal end of the control mechanism. During the operation, the positioning and pushing mechanism is used to relatively fix the clamp-type suture nasal septum anastomosis device to the suture tissue, and then the control mechanism drives the suture mechanism to suture the suture tissue with the suture thread wound and tensioned by the suture tensioning mechanism and then led out. The suture mechanism can directly enter the nasal cavity for operation, solving the technical problem of the lack of suitable instruments for nasal septum suture due to the narrow nasal cavity. The control mechanism allows the operator to hold it with one hand and is designed with a return spring, reducing the operation difficulty and shortening the operation time. The positioning and pushing mechanism is provided with a nostril fixing bracket, which can adapt to different nasal cavity environments and improve the suture accuracy of the suture mechanism for the suture tissue.

The invention discloses a dairy cow oestrus monitoring method and device. The method comprises the following steps: A, acquiring a reflected light intensity value caused by the blood flow change of the nasal septum part of the dairy cow within a first time interval by using an infrared light sensor; b, preprocessing the intensity value of the reflected light in the first time interval; c, calculating a heart rate value by utilizing a preprocessing result; d, the average heart rate value is calculated within a second time interval, the second time interval comprises a plurality of first time intervals, and the average heart rate value is uploaded to the server; e, after a third time interval, collecting and calculating the average heart rate value of the next second time interval again. The dairy cow oestrus monitoring method and device have the advantages of being high in monitoring precision, timely and accurate.

The nasal septum is reshaped by creating multiple holes in the cartilage. RF energy can be applied to ablate tissue around the holes in a manner that minimizes damage of surrounding epithelial and mucosal tissues.

The present invention discloses a rib cartilage rhinoplasty auxiliary tool, which relates to the field of maxillofacial surgery and aesthetic medical tools, and provides a rib cartilage rhinoplasty auxiliary tool that makes nasal septum suturing more convenient and accurate. The tool comprises a clamping forceps, a clip, a clip mounting strip, a guide post, and a height adjustment structure. The clamping forceps comprises two clamping forceps handles, the front ends of which are first clamping forceps rods; the clip mounting strips are located above the front ends of the clamping forceps handles, and the front ends of which are second clamping forceps rods; each clamping forceps handle is connected to two guide posts, and the clip mounting strips are sleeved on the guide posts; the height adjustment structure is connected to the clamping forceps handles, and the height adjustment structure can fix the clip mounting strips and adjust the height of the clip mounting strips; the clip comprises an elastic member and at least three clip units, each clip unit is arranged in an up-down direction, and each clip unit has a suture positioning hole, the lowermost clip unit is connected to the first clip rod, and the uppermost clip unit is connected to the second clip rod.

The application discloses a shuttle type nasal septum penetrating suture device and a use method thereof, which comprises a suture device body and a driving mechanism, the suture device body comprises a front end suture assembly and a rear end holding assembly, the front end suture assembly comprises a sliding cover plate, a sliding cover plate spring, a driving needle seat, a driving connecting rod, a suture needle and a push rod, the push rod is arranged on the driving connecting rod, the sliding cover plate and the lower cover plate combined structure which can be self-adaptively opened and closed are arranged, in the whole process of placing and withdrawing the device into the nasal cavity, the suture needle is always in the closed protection channel, and the suture needle is automatically windowed and punctured only when the target tissue of the nasal septum is fitted, the circular arc movement track of the suture needle is limited through the arc-shaped groove of the needle seat, the limiting guide of the linear bearing seat and the transmission of the stroke amplification connecting rod are matched, the angle, the depth and the track height of each puncture of the suture needle are unified, the one-time full-layer penetration of the nasal septum mucosa and cartilage can be stably realized, the suture point position is regular, and the stress is uniform.

The invention discloses a preoperative intelligent planning method for a nasal septum mucosal valve vascular pedicle path, and relates to the technical field of surgical path planning. The method comprises the following steps: firstly, analyzing characteristic differences of physiological structures between a current patient and each historical patient, obtaining a reference weight of each historical patient, and further training a model based on membrane flap operation parameters, structural characteristic parameters, preoperative physiological data and vascular perfusion characteristic parameters of the historical patients; therefore, predicted vascular perfusion characteristic parameters of the current patient are obtained, and the vascular pedicle path is planned in combination with the change characteristics of each candidate vascular pedicle path of the current patient. The technical problem that the preoperative planning effect of a nasal septum mucosal valve blood vessel pedicle path is poor is solved, multi-dimensional correlation can be conducted on the physiological structure, intraoperative operation and blood vessel dynamic perfusion information of a patient, and it is ensured that a valve body can survive while it is ensured that the path structure is reasonable; and the preoperative planning effect of the nasal septum mucosal valve vascular pedicle path is improved.

The utility model provides a nose repairing device, which relates to the technical field of medical instruments, and comprises two nose plugs used for being plugged into nostrils and a U-shaped elastic nose clip, the two ends of the elastic nose clip are respectively connected with the two nose plugs, the middle part of each nose plug is provided with a central channel which penetrates through the two ends along the length direction of the nose plug; an arc-shaped pressing plate hinged to the nasal plug is arranged on the outer wall, facing the nasal septum side, of the nasal plug, and C-shaped air bags arranged on the outer side of the nasal plug in a sleeving mode are arranged on the outer wall of the nasal plug and located on the two circumferential sides of the arc-shaped pressing plate. The device can effectively prevent the elastic nose clip from exerting force on the single side of the nose plug, so that the nasal septum is locally stressed to deform due to overlarge stress.

The present invention discloses a push-nail type nasal septum anastomosis device, comprising: a clamping and pushing nail mechanism capable of placing nails to puncture and suture sutured tissue; and a control mechanism for controlling the clamping and pushing nail mechanism to push nails, connected to the proximal end of the clamping and pushing nail mechanism. The push-nail type nasal septum anastomosis device is controlled by an operator with one hand to operate the control mechanism to control the clamping and pushing nail mechanism to push nails to suture the nasal septum suture tissue. The above structure can make the operation of the nasal septum suturing technology more convenient and accurate, solve the problem of inconvenience in operation caused by a narrow nasal cavity, and further solve the problem of long surgical time of the nasal septum suturing technology, making it easier for the operator to use. At the same time, the control mechanism has a variable ratchet gear mechanism, which can switch between three different modes: operating mode, braking mode or return mode. The switching of the above modes enables the push-nail type nasal septum anastomosis device to be suitable for use in different places, and has strong adaptability.

The utility model relates to the technical field of medical supplies, in particular to a medical high-flow nasal catheter pressure reduction protection pad which comprises dressing, fixing bands, an anti-skid band, an absorption layer, an outer covering layer, a bonding layer and a clamping plate, the fixing bands are arranged at the two ends of the dressing, the anti-skid band is arranged between the fixing bands, and the absorption layer is arranged between the anti-skid band and the outer covering layer. The dressing body is composed of an absorption layer, an outer covering layer and a bonding layer which are sequentially arranged to jointly form a main structure of the pressure reduction protection pad, and two sets of clamping plates are arranged in the middle of the dressing body. The pressure reduction protection pad special for the medical high-flow nasal catheter is integrated, the nasal catheter is separated from the skin through the dressing, the pressure of the nasal catheter on the nasal septum and the skin around the nasal septum is reduced, and therefore pressure injury is effectively reduced. According to the head-mounted fixed design of the product, simplicity and comfort and attractiveness of a patient are considered, it is ensured that the patient can conveniently wear the device in the whole treatment process, and meanwhile the influence on daily activities is reduced.

The application discloses a preoperative intelligent planning method for a nasal septum mucosal flap blood vessel pedicle path, and relates to the technical field of surgical path planning. The method first analyzes the feature difference of physiological structures between the current patient and each historical patient, obtains the reference weight of each historical patient, and further trains a model based on the historical patient's mucosal flap operation parameters, structure feature parameters, preoperative physiological data and blood vessel perfusion feature parameters, so as to obtain the predicted blood vessel perfusion feature parameters of the current patient, and then plans the blood vessel pedicle path in combination with the change characteristics of each candidate blood vessel pedicle path of the current patient. The technical problem of poor preoperative planning effect of the nasal septum mucosal flap blood vessel pedicle path is solved, the physiological structure, intraoperative operation and blood vessel dynamic perfusion information of the patient can be associated in multiple dimensions, the flap body can survive while ensuring that the path structure is reasonable, and the preoperative planning effect of the nasal septum mucosal flap blood vessel pedicle path is improved.

The invention belongs to the technical field of suturing devices, and provides a nasal septum mucosa magnetic suturing device and a using method thereof.The nasal septum mucosa magnetic suturing device comprises a first attaching piece and a second attaching piece; magnetic rings are embedded in the inner sides of the first attaching piece and the second attaching piece, and the first attaching piece and the second attaching piece attract each other; convex points are arranged on the inner side surfaces of the first attaching piece and the second attaching piece in an array mode. A drainage hole penetrates through the centers of the first attaching piece and the second attaching piece. Gaps among the convex points are communicated with the drainage holes to form biological seepage channels; the first attaching piece, the second attaching piece, the magnetic ring and the protruding points are arranged, a graft is locked through the micro-anchoring effect of the protruding points, displacement and wrinkles are avoided, suturing-free instant fixing is achieved through automatic adsorption of the magnetic ring, dead space effusion is continuously removed in cooperation with the drainage holes, healing monitoring is allowed, the operation time of a nasal septum repairing operation is greatly shortened, and the operation efficiency is improved. Postoperative newborn tissue effectively seals and perforates, and the respiratory function of a patient is effectively recovered.

The nasal septum rongeur comprises a right handle and a left handle, the top end of the right handle is hinged to the top end of the left handle through a first connecting piece, the top end of the right handle is fixedly connected with a first rotating block, and the top end of the left handle is fixedly connected with a second rotating block; when the device is used, a user holds the right handle and the left handle and exerts a certain force, so that the first forceps head and the second forceps head are matched with each other to shear an operation site, through the arrangement of an embedding groove and a cutting edge, the excision efficiency is improved to a certain extent, the operation time is effectively shortened, and the operation efficiency is improved. In addition, due to the arrangement of a spring piece, the comfortable feeling of a user during grasping can be improved, the fatigue feeling caused by long-time grasping is reduced, meanwhile, due to the existence of the spring piece, the right handle and the left handle can return to the original positions more easily, and the operation is more convenient. And the occurrence of accidental loosening caused by improper operation is reduced.

The invention discloses a nasal septum stitching instrument which comprises a needle holding part and a stitching needle slidably connected into the needle holding part, the needle holding part comprises two fork heads capable of entering a nasal cavity, arc-shaped sliding grooves are formed in the two fork heads, and the circle centers of the two sliding grooves coincide so that the stitching needle can shuttle back and forth between the two sliding grooves; the sewing needle is a double-end needle, and clamping grooves are formed in the shaft side walls of the two ends of the sewing needle. Two driving rods are further included, one end of each driving rod is provided with a sliding block connected to the corresponding sliding groove in a sliding mode, and each sliding block is provided with a clamping head capable of being connected into the corresponding clamping groove; the two fork heads are provided with protrusions at the opposite ends of the sliding grooves and on the surfaces of the sides, close to the driving rods, of the two fork heads. When the driving rods make contact with the protrusions, the clamping heads are driven to be away from the clamping grooves. According to the nasal septum suturing device, a non-suturing area in the nasal cavity is isolated, the device does not depend on a visual assembly, blind operation can be truly achieved, safety is high, meanwhile, operation is very convenient and fast, dependence on experience of doctors is greatly reduced, and the efficiency and quality of nasal septum suturing operation are improved.

The utility model relates to the technical field of nasal cavity related disease treatment equipment, in particular to a nasal septum stitching instrument. Comprising a nasal septum suture needle and a nasal septum suture hook, the nasal septum suture needle comprises a suture needle body and a needle head part; the head end of the needle head part is a sharp needle tip, and the tail part is obliquely connected with the head part of the suture needle body; a first thread hook and a second thread hook are arranged on the needle head part close to the needle tip; the nasal septum suture hook comprises a suture hook body and a hook head part; the hook head part is needle-shaped and is vertically connected with the suture hook body; by arranging the nasal septum suture needle and the nasal septum suture hook, the effect of double-thread suture can be achieved, the traction force of suture is improved to a great extent, and the probability of bleeding and hematoma formation after an operation is effectively reduced.

The utility model relates to a self-adhesive sponge for nasal septum perforation repair, which is used for fixing cartilage at a nasal septum perforation position and comprises a sponge support body, the sponge support body comprises a sponge support layer, an adhesive layer and an anti-sticking layer which are sequentially attached, the adhesive layer is arranged on one side of the sponge support layer attached to a wound surface, and the anti-sticking layer is arranged on the other side of the sponge support layer attached to the wound surface. And the surface of the adhesion layer is covered with an anti-adhesion layer. Compared with the prior art, the self-adhesive sponge disclosed by the utility model has good mechanical property, good adhesive capacity between the sponge bracket main body and a wound surface, can be firmly attached to a cartilage of a perforated nasal septum and promote mucous membrane healing, and also has good biological safety, degradability and intraoperative operability; the nasal septum perforation repair effect is improved, the nasal septum perforation rate is reduced, and the life quality of a patient is improved.

The utility model discloses a nasal plug type pipeline fixing device suitable for noninvasive auxiliary ventilation of newborns, which comprises a pressure reducing pad with a self-adhesion function on one side surface, two auxiliary pads with self-adhesion functions on one side surface, and a self-adhesion elastic bandage arranged on the other side surface of the pressure reducing pad, two pressure reduction fixing bands extending outwards are fixedly arranged on the side, located on the self-adhesive elastic bandage, of the pressure reduction pad, the two fixing bands penetrate through the self-adhesive elastic bandage to extend outwards, an auxiliary fixing band extending outwards is arranged on the other side face of the auxiliary pad, and the two pressure reduction fixing bands are connected together through hook-and-loop fasteners. And the auxiliary fixing band and the auxiliary pad are connected together through a magic tape. The pressure reducing pad and the auxiliary pad are respectively provided with a medical hydrogel layer. The fixing device has the advantages of being suitable for newborns of different gestational ages and weights, relatively low in cost, convenient to use, capable of stably fixing the nasal plug type pipeline of the breathing machine, capable of reducing pressure and capable of greatly reducing the probability of damage to the nasal septum mucosa or the nasal columella.