91results about How to "Avoid pain" patented technology

The invention relates to a pet health discrimination method and device based on a gradient lifting xgboost model. The method comprises the following steps: S1, acquiring a historical detection data record of an intelligent pet cat litter basin; s2, performing data set division and xgboost model verification and training on the historical detection data by adopting a data set division method of ten-fold cross validation, and optimizing the xgboost model in each cross validation; s3, performing identification model training based on an xgboost algorithm according to the historical detection data to obtain a cat health condition discrimination model corresponding to the intelligent pet cat litter basin and health index importance corresponding to the pet cat litter basin; s4, monitoring the performance of the xgboost model, and performing incremental updating of the pet health discrimination model and continuous optimization of feature selection according to historical detection data and new detection data; and S5, smoothing the pet health index to obtain a warning threshold value of the intelligent pet cat litter box, and when the real-time detection data of the intelligent pet cat litter box exceeds the warning threshold value, performing pet health abnormity warning on a pet owner.

The invention discloses an intelligent triage system for pediatric emergency pre-examination, and relates to the technical field of emergency pre-examination, body surface images of child patients are collected through a visual monitoring module, invasive operation on the patients is not needed, and unnecessary pain is avoided; the image recognition module and the first intelligent evaluation module are used for performing wound detection and evaluation on the child patient, so that the medical personnel have enough time to treat the patient with more serious illness, medical resources are effectively balanced, comprehensive evaluation is further provided for the child patient through the data acquisition and processing module, potential health problems are effectively recognized, and the medical personnel experience is improved. And the AI diagnosis module combines the third evaluation result and the fourth evaluation result to carry out priority ranking on the child patients, and generates a personalized diagnosis scheme by using historical medical records and an intelligent technology, so that the night work pressure of pediatric emergency medical personnel is reduced, the child patients are processed more quickly, and medical resources are uniformly distributed.

The invention relates to the technical field of effusion treatment devices, in particular to a tumor effusion extraction mechanism which comprises an extraction cylinder capable of puncturing and extracting tumor effusion by generating negative pressure, and further comprises an extraction support used for positioning and mounting the extraction cylinder, an adjusting seat with adjustable position and angle is mounted on the extraction bracket; the base is arranged on the adjusting seat, the base can be adjusted in a sliding mode in the direction of the adjusting seat, a clamp is installed on the base and used for fixing a main body of the extraction cylinder, and the extraction cylinder can conduct puncturing along with movement of the base; the pulling structure is used for controlling a piston on the extraction cylinder, and the pulling structure is installed on the base and located above the base; the lifting driving structure is used for driving the pulling structure, and the lifting driving structure has the extraction speed control capability; the purposes of accurately extracting effusion and improving the comfort level of a patient can be achieved.

The invention discloses application of a plasma specific piRNA marker in preparation of a reagent for detecting gastric cancer. The piRNA marker is composed of the following plasma piRNAs: hsa-piR-21921, hsa-piR-9725, hsa-piR-19960, and hsa-piR-23621, and the piRNA marker is composed of the following plasma piRNAs: hsa-piR-21921, hsa-piR-9725, hsa-piR-19960, and hsa-piR-23621. The invention provides the piRNA marker for gastric cancer detection, and the piRNA marker can be used for preparing a reagent for gastric cancer detection and has the advantages of high accuracy, high sensitivity and high specificity.

This invention discloses a portable low-temperature plasma device based on a Laval nozzle structure and its application, belonging to the field of plasma technology application technology. Specifically, it includes (1) the construction of the device; and (2) the use of the device for fungal eradication treatment and transdermal drug delivery enhancement treatment. The beneficial effects achieved by this invention are as follows: This invention is the first to apply the Laval nozzle structure to a portable low-temperature plasma device. The results show that the device can effectively improve the plasma jet performance and active particle content, significantly improve the treatment effect of fungal infections of the skin and nails and the transdermal drug penetration efficiency, while solving the problems of large size, reliance on external power supply, and complex operation of traditional plasma devices. Therefore, using this invention for the treatment of fungal infections of the skin and nails and for enhanced transdermal drug delivery has advantages such as ease of operation, high safety, non-invasiveness, and high efficiency, and thus has potential application prospects in the field of skin disease treatment and transdermal drug delivery.

The invention provides cardiovascular intervention postoperative treatment equipment which structurally comprises a lying plate, a moving seat, a telescopic part, a positioning block and a treatment assembly, the lying plate is embedded in the upper middle area of the moving seat, the telescopic part is fixed to the lower middle area in front of the moving seat and is in interval fit with the lying plate, and the positioning block is fixedly connected with the other end of the telescopic part; the treatment assembly is arranged at the upper end of the positioning block and is horizontally communicated with the lying plate; after the lying plate is further improved, the inner side of the plate body is completely covered by the sponge cushion, so that the back bone of a patient can be prevented from being in direct contact with the plate body, and the pain caused by the influence of the hardness of the plate body on the back bone is prevented; then, the infrared positioner on the plate body can be matched with the top part of the treatment assembly in a light induction mode through the infrared generating body of the infrared positioner, so that the cardiovascular treatment area of the patient can be determined through infrared induction instead of medical staff, and therefore the position determination accuracy and efficiency can be improved.

The invention relates to a dynamic bionic lower limb bending deformity orthosis capable of accurately controlling continuous acting force, which is worn on the lower limb of a human body and comprises a longitudinal orthosis plate, and a thigh orthosis assembly with a thigh brace, a knee orthosis assembly with a knee brace and a shank orthosis assembly with a shank brace which are sequentially arranged from top to bottom; longitudinal orthopedic plates are longitudinally arranged on the front side and the rear side of the lower limb of the human body respectively, and a thigh orthopedic assembly, a knee orthopedic assembly and a shank orthopedic assembly are detachably arranged among the upper portions, the middle portions and the lower portions of the longitudinal orthopedic plates on the two sides respectively. The front sides and the rear sides of the thigh brace, the knee brace and the shank brace are all provided with transverse extenders, and the thigh brace, the knee brace and the shank brace are all connected with the longitudinal orthopedic plate through the transverse extenders. According to the dynamic bionic three-dimensional orthosis, based on guidance of high-efficiency biomechanics, a stiff orthosis formed through one-time manufacturing is upgraded into the dynamic bionic three-dimensional orthosis capable of accurately controlling continuous drafting force, the application range of the orthosis is widened, and the treatment effect and wearing comfort of the orthosis are improved.

The utility model discloses a kind of in-vivo blood clot cutting net structures, including the outer tube structure being cooperated with endoscope, the middle tube structure being arranged in outer tube structure and being cooperated with outer tube structure, and the inner core structure being arranged in middle tube structure;Wherein, the middle tube structure can be inserted or pulled out along outer tube structure, the inner core structure can be inserted or pulled out along middle tube structure.This application provides a kind of in-vivo blood clot cutting net structure, can be inserted into human body by the channel of endoscope, and can be deployed into adjustable angle's fishing net structure in human body, can effectively and quickly complete the fishing and cutting of large blood clot, and need not repeat extraction and insertion endoscope, that is, improve the cutting efficiency of large blood clot, also avoid the pain that repeat extraction and insertion endoscope brings to patient.

The invention discloses a visual vein blood sampling system and method, and belongs to the technical field of clinical examination equipment, the visual vein blood sampling system comprises a vein blood sampling device and a reagent mixing device, the vein blood sampling device comprises a portable mobile vehicle, the portable mobile vehicle is provided with an operation platform, the operation platform is provided with an air floating type tourniquet, and the air floating type tourniquet is provided with a blood sampling device. A high-definition camera is mounted on the camera fixing bracket; a high-definition display screen is movably mounted on the two-axis adjusting platform; the reagent mixing device comprises a support frame, a rotary mixing device and a frame; a frame is arranged on the supporting frame, an annular guide rail is arranged on the frame, a rotary uniform mixing device is fixedly installed on an annular belt on the annular guide rail, and a blood collection tube support is arranged on the rotary uniform mixing device. According to the blood sampling device, blood sampling work is efficiently and accurately achieved, the pain of a patient caused by repeated blood sampling due to inconvenient blood vessel observation is avoided, short-time coagulation of sampled blood in the reagent tube is avoided, and the blood sampling efficiency and the blood mixing degree are improved. And the automation degree of the blood sampling process is improved.

This utility model discloses an integrated multifunctional intubation device with flushing, drainage, and drug administration functions. The device includes an intubation tube, a three-way drug administration flushing and drainage device, a connecting tube, and an anti-backflow negative pressure drainage ball. The inner surface of the intubation tube has supporting teeth to prevent compression closure. One end is a connecting section, and the working section's tail end is fish-mouth shaped with staggered flushing holes on its smooth surface. The outer circumference of the intubation tube has an "I"-shaped fixing ring. The three-way valve is connected to the anti-backflow negative pressure drainage ball through the connecting tube, allowing liquid in the intubation tube to flow into the drainage ball, preventing backflow and allowing liquid to flow out through the drain hole. The connections between the connecting tube, the intubation tube, and the three-way valve are all threaded and tightened. This device integrates multiple functions, has a reasonable structural design, and can effectively realize flushing, drainage, and drug administration operations, while also preventing blockage of the intubation tube due to compression and dislodgement due to external force.

The utility model discloses a kind of elastic ring formula support, comprising: connecting base, the connecting base structure contour is annular, the connecting base is equipped with the connecting portion for being connected with electronic product;Elastic ring, the partial length of the elastic ring is connected with the connecting base inner ring side;Support ring, the support ring is rotatably connected with the connecting base outer ring side. Including fixed assembly, the connecting base is equipped with mounting portion;The elastic ring, support ring are connected with fixed assembly;The fixed assembly is connected with the mounting portion. The mounting portion is the sunken platform being equipped on the connecting base, the sunken platform is equipped with through hole group;The fixed assembly includes hinge plate, connecting cover plate;The end surface of the hinge plate towards the mounting portion is equipped with clamping hole;The end surface of the connecting cover plate towards the mounting portion is equipped with inserting column;The inserting column passes through the through hole group and is tightly connected with the clamping hole. The material of the elastic ring is rubber or silicon.

The invention discloses a pulmonary nodule real-time positioning method and a pulmonary nodule real-time positioning device based on artificial intelligence multi-modal image fusion technology applied to a sub-pulmonary lobe resection operation, which are applied to the technical field of data processing, a three-dimensional collapsed lung model is generated by acquiring a lung medical image and a three-dimensional model in combination with operation parameters, and features of the three-dimensional collapsed lung model are automatically identified. Endoscope dynamic images are collected in real time in an operation, and the three-dimensional collapse lung model is finely adjusted after image features are extracted, so that the three-dimensional collapse lung model is accurately matched with an actual lung tissue form in the operation. By means of the artificial intelligence multi-mode image fusion technology, the endoscope image and the three-dimensional model are deeply fused, and the lung three-dimensional structure and the accurate pulmonary nodule position under the endoscope view field are presented in real time. By integrating artificial intelligence, computer vision, a collapse algorithm and a multi-modal image fusion technology, a doctor is assisted to clearly identify lung tissue and nodule positions in an operation, the accuracy of the operation is effectively improved, the operation time is shortened, and the operation is safely completed with high quality.

A gastrostomy tube fixing band comprises a fixing band body, the fixing band body comprises an arc-shaped part, the arc-shaped part is provided with a through hole for a gastrostomy tube to penetrate through, and at least the peripheral part of the through hole is provided with a hard supporting part. The fixing band body is provided with a fixing part used for fixing a gastrostomy tube body, a first connecting part and a second connecting part which are detachably connected with each other are arranged at the two ends of the fixing band body respectively, and the first connecting part and the second connecting part are connected so that the fixing band body can be fixed to the abdomen of a patient. Due to the arrangement of the hard supporting part, when the exposed part of the gastrostomy tube is fixed, the leading-in section tube body is kept perpendicular to the abdomen skin of a patient, and the problems that a fixing gasket is not tightly attached to the skin, nutrient solution overflows, wound infection is caused and the like due to lateral inclination are solved; due to the arrangement of the arc-shaped part, a space for placing the fixing gasket is reserved, and the distance between the outermost side of the arc-shaped part and the abdomen of the patient is beneficial to better keeping the leading-in section tube body perpendicular to the abdomen skin of the patient.

The present disclosure relates to a lifting thread having a flexible variable part in which a lifted portion is firmly fixed without drooping using a normal medical thread which is relatively inflexible, a structurally stretchable variable part is formed on one part of the medical thread, and pain is not caused at a surgical site and the medical thread is prevented from breaking even if muscles undergo large movements such as those at the time of laughing or yawning, which includes catching parts, each having a first fixing protrusion and a second fixing protrusion which face each other on both sides of a fixing groove formed in an outer peripheral surface of the medical thread and a length-variable part formed in a spring shape to be capable of generating elasticity between the catching parts, thereby having structural elasticity, and in which elasticity is provided to the medical thread as the spring shape of the length-variable part increases when an external force is applied thereto.

The application discloses a visual cleaning device for cleaning or medicine feeding of a human cavity such as a vagina or a rectum, which comprises a cleaning device shell, a cleaning assembly, a camera assembly and a flexible expansion assembly; the flexible expansion assembly comprises a plurality of flexible air bags arranged in a circumferential direction on a surface of an insertion end, and each flexible air bag is independently controlled by a control module, so that the flexible air bags are controllably contracted or expanded; on one hand, the flexible air bags in an expanded state are in flexible contact with an organ, so that the use comfort of the cleaning device is improved; on the other hand, the flexible air bags in a contracted state can form an avoiding space to avoid a wound surface; the camera assembly comprises a camera arranged at an end of the insertion end and is used for observing the inside of the cavity in real time. Through the cooperative design of the assemblies, the visual cleaning device realizes the functions of flexible expansion introduction of the cavity, visual accurate operation and selective wound surface avoiding, and mechanical damage to the human body is avoided, and the comfort of a patient is improved.

The utility model relates to the technical field of medical equipment, and discloses a disposable manual bladder irrigation device which comprises a first placing plate, the bottom end of the first placing plate is rotatably connected with a second placing plate, a first storage bin is arranged on the first placing plate, an injector body is arranged in the first storage bin, and a second storage bin is arranged on the second placing plate. The syringe body, the sterile bowl, the sterile tray, the scissors, the absorbable drapes, the sterile gloves and the sterile cotton are arranged on the first placing plate and the second placing plate to be assembled into a whole set, the syringe body is changed into the pagoda-type nipple to be matched with a urinary catheter cavity, and therefore the novel urinary catheter is more airtight than before improvement. According to the disposable syringe, leakage of flushing fluid is reduced, the flushing pressure and speed are guaranteed, the 20ml volume in the syringe body ensures that blood clots can be dispersed by the pressure which is quickly flushed without damaging the bladder wall, and the drapes, the sterile gloves and the aseptic cotton can be absorbed, so that the sterility of bladder flushing is guaranteed.

This invention discloses a pre-placed adjustable hernia repair patch and its preparation method, relating to the field of medical device technology. The patch body is a polypropylene woven mesh with a weight of less than 50 g / m². The polypropylene woven mesh has a double-layer gradient structure with different densities on both sides. This pre-placed adjustable hernia repair patch uses a double-layer gradient structure of the same woven mesh. The outer layer has large pores (80-300 μm) to facilitate fibroblast ingrowth and tissue fixation, while the inner layer has small pores (15-80 μm) to form a physical barrier, effectively inhibiting visceral adhesions. It addresses both fixation and anti-adhesion needs. Temporary fixation is achieved through sliding PLGA fixation pins, pre-drilled holes, and elastic rings. The fixation pins are available in various lengths, and the elastic rings enable temporary fixation and position adjustment. Blue marking lines facilitate directional identification, and barium sulfate contrast markers aid in intraoperative positioning and postoperative follow-up.

The utility model belongs to the technical field of medical supplies, and particularly relates to a pressing patch for a puncture point, which comprises a papa ring wrist strap. The papa ring wrist strap is arc-shaped; a first through groove is formed in the papa ring wrist strap; the papa ring wrist strap is provided with an application body so as to solve the problems that a traditional application adheres to the wrist of a patient in an adhesion mode to conduct pressing hemostasis, but after hemostasis is completed, pain is generated when the application is torn down due to body hair, and poor experience is brought to the patient.

The utility model discloses a carousel type recreation equipment, including wooden horse, the fixed sliding sleeve that is equipped with below wooden horse, the movable sleeve that is equipped with outside sliding sleeve, the limit sleeve that is equipped with outside movable sleeve, the control sleeve that is equipped with outside movable sleeve rotation, control sleeve one side is connected and is equipped with rotating stand, the cooperation sleeve that is equipped with outside movable sleeve, cooperation sleeve outer wall is connected with control sleeve inner wall through the thread and carries out the swing, the movable sleeve outside is equipped with a plurality of limit grooves, the sliding limit link that is equipped with in rotating stand, limit link one end is equipped with limit board, the movable sleeve that is equipped with outside limit link outside movable sleeve, the movable sleeve inside is inclined and is equipped with inclined groove, the sliding inclined board that is equipped with in inclined groove, the side of inclined board is equipped with moving block, moving block one side is equipped with push spring, and the movable plate that is equipped with in push spring other end, the movable sleeve is equipped with movable sleeve, and the movable sleeve one side is equipped with follow -up groove, moving block one side is equipped with follow -up block, the utility model has realized the flexible adjustment to the height of horse stirrup, and has guaranteed the structural stability after horse stirrup height adjustment.

The invention belongs to the field of colorectal cancer detection, and particularly relates to an excrement metabolite marker combination for early diagnosis of colorectal cancer and application. The method comprises the following steps: firstly, screening to obtain an excrement metabolite biomarker combination for early diagnosis of the colorectal cancer, and measuring the content of markers for early diagnosis of the colorectal cancer; secondly, according to the invention, a model for early diagnosis or prediction of the colorectal cancer is constructed through random forest, linear regression and other models based on the specificity of a metabolome detection result, early diagnosis of the colorectal cancer is realized, and the kit has the advantages of low cost, convenience in detection, high accuracy, good sensitivity and strong specificity, and is suitable for popularization and application. The kit can avoid pain, discomfort and complications caused by enteroscope invasive examination, obviously reduces the false positive rate of early diagnosis of colorectal cancer, and is widely used for early diagnosis of colorectal cancer.

The utility model relates to the field of scrubbing and washing devices, in particular to an exfoliating scrubbing and washing device which comprises a shell. The back rubbing device further comprises an anti-falling handle, an inner shell and a back rubbing body. An anti-falling handle is fixedly connected to the upper surface of the outer shell, an inner shell is connected to the inner wall of the outer shell through a snap fastener, a back rubbing body is connected to the side, away from the outer shell, of the inner shell in a heat sealing mode, and a massage head is arranged on the surface of the side, back to the inner shell, of the back rubbing body. Through the arrangement of the anti-falling handle, a user can use the scrubbing and washing device more conveniently in a more labor-saving mode, the scrubbing and washing device conforms to the ergonomic design, due to the arrangement of the massage head, the user can make contact with the skin in a large area during scrubbing and washing, more dirt and cutin are removed, meanwhile, force distribution is more uniform, pain can be effectively relieved, and comfort is improved.

The utility model discloses a multi-wheel self-adaptive rhythm massage structure which comprises a machine core shell, a composite track massage structure is arranged on the machine core shell, the composite track massage structure comprises a composite track support, a cylindrical plug bush is rotatably arranged on the side face of the front end of the composite track support, a torsional spring is sleeved on the cylindrical plug bush, and the torsional spring is connected with the composite track support. The front massage head assembly comprises a swing frame, an insertion shaft is integrally arranged on the side face of the swing frame in an embedded mode, an annular insertion groove and a semi-annular groove are formed between the insertion shaft and the swing frame, the cylindrical insertion sleeve is inserted into the annular insertion groove and arranged on the insertion shaft in a sleeving mode, and the limiting piece covers the outer side face of the swing frame. When the front massage head is pressed by a human body, the swing frame can be driven to rotate and compress the torsion spring, so that reverse elastic supporting force is generated, the massage head can be tightly attached to the curve of the human body, the massage strength can be automatically adjusted according to the stress, and the massage comfort and safety are remarkably improved.

The utility model belongs to the technical field of medical instruments, and particularly relates to a foreign matter clamping device for the digestive system department, which comprises a shell, a protection device and a clamping assembly, a first push handle is pushed to drive a rotating rod to open a protection cover to expose the clamping assembly inside, a movable plate is rotated to enable a limiting buckle on the movable plate to be clamped in a limiting hole, and the clamping assembly is clamped in the limiting hole. The protection device is fixed, then the second push handle on the push rod is pushed to drive the clamping assembly installed at the end away from the second push handle to pick up the foreign matter, then the protection cover is closed, and the foreign matter is fixed in the protection cover through mutual cooperation of the protection cover formed by combining the two hemispheres, so that secondary damage caused by falling of the foreign matter is avoided; therefore, the problem that unnecessary pain is possibly brought to a patient in the using process due to inconvenient operation is solved.

The utility model relates to the technical field of traditional Chinese medicine therapy, and discloses an anti-scald cupping jar which comprises a cupping jar body, a shell is fixedly arranged on the upper portion of the cupping jar body in a sleeved mode, an extrusion ring is fixedly arranged at the lower end of the cupping jar body, and a connecting ring is fixedly arranged on the lower portion of the cupping jar body in a sleeved mode. A containing groove is formed in the middle of the lower end face of the connecting ring, an extrusion assembly is fixedly arranged in the containing groove, the cupping jar body comprises a base layer, a fireproof layer is fixedly arranged on the inner side of the base layer, a protection layer is fixedly arranged on the outer side of the base layer, the shell comprises a rubber layer, and a heat insulation layer is fixedly arranged on the inner side of the rubber layer. And an anti-skid layer is fixedly arranged on the outer side of the rubber layer. According to the cupping jar, when the cupping jar is used for treating the skin surface, the skin surface and the cupping jar are prevented from being scalded when the cupping jar is held, the service life of the cupping jar is prolonged, and the skin surface is more comfortable.

The invention discloses a composition with an effect of treating osteoporosis and a preparation method thereof. The composition is prepared from the following raw materials in parts by weight: 1-10 parts of collagen peptide extract, 1-10 parts of ground beetle, scorpion and centipede extract and 1-10 parts of pseudo-ginseng. Under the guidance of traditional Chinese medicine theories, all the components are screened through a large number of experiments and are scientifically matched to obtain the traditional Chinese medicine composition. Experimental results show that the composition provided by the invention can effectively treat osteoporosis, tonify kidney and strengthen bone, slow down bone loss, improve bone mineralization, promote calcium absorption, maintain calcium metabolism balance and the like, is safe and effective, and can be developed into medicines for preventing and treating osteoporosis.

The invention discloses a knee joint limitation rehabilitation device, and relates to the field of knee rehabilitation devices.The knee joint limitation rehabilitation device comprises a base and a mounting frame, a vertical rod is fixed to one side of the top of the base, a fixing frame is fixed to the end of the vertical rod, a transverse rod is movably mounted on one side of the vertical rod, and the transverse rod and the vertical rod are movably connected; a limiting rod is fixed to the end of the transverse rod, and a mounting frame is fixed to the top of the base. The problem that legs of a patient are inconvenient to place during use is solved, when the patient uses the device, the legs can be directly lifted and then transversely moved to be located above the base, then a rotating handle is rotated, a connecting block can be driven to move downwards according to the lead screw principle, and when the connecting block moves downwards, a pressing block is driven to move downwards; the two sets of transverse blocks are clamped on the two sides of the knees, when the air bags make contact with the legs, pressure on the legs can be reduced, so that leg pain is avoided, and when the legs of a patient are stressed to a certain degree, rotation of the rotating handles is stopped.

The utility model provides a kind of nail bed biopsy assembly, including main body, main body includes outer tube and inner core, outer tube includes outer tube head, and the lateral wall of outer tube head is equipped with outside hole, outside hole is towards the nail bed;Inner core includes inner core head, and inner core head includes inner core inner arc surface and inner core outer arc surface, the edge of inner core inner arc surface and the edge of inner core outer arc surface are connected, to form cutting part respectively at the two side edges of inner core inner arc surface and inner core outer arc surface, the distance between the edge of inner core inner arc surface and the edge of inner core outer arc surface gradually decreases from rear side to front side, and tissue accommodating part is formed on inner core inner arc surface;Inner core is rotationally arranged in outer tube, and inner core head is oppositely arranged with outer tube head, when inner core rotates relative to outer tube, the cutting part of inner core head is rotated and cut to nail bed through outside hole, and cut nail bed tissue is contained in tissue accommodating part, it is convenient and fast to use, small trauma and fast recovery.

The invention discloses a premature delivery delaying device which comprises a plurality of sectioning rings, and the sectioning rings are sequentially arranged in the circumferential direction to form an annular structure. The premature delivery delaying device further comprises fixing rings and connecting pieces, each sectioning ring comprises an upper ring body and a lower ring body, the fixing rings are arranged on the lower ring bodies in a sleeving mode, and the connecting pieces are connected to every two adjacent upper ring bodies. The premature delivery delaying device further comprises a locking structure for locking the positions of the upper ring bodies and the connecting piece, and the locking structure is at least arranged between the connecting piece and one upper ring body connected with the connecting piece. The locking structure is provided with a plurality of locking positions, when the locking structure is located at different locking positions, the inner diameters of the annular structures formed by the upper ring bodies are different, and the locking structure can be automatically adjusted according to cerclage force so that the locking structure can be located at the different locking positions. The device can effectively prevent cervical dilation and thinning and prevent or delay early delivery, can avoid amniotic sac inflammation, and can prevent cerclage force from increasing along with the weight of an infant to damage the cervix and cause discomfort and pain of a patient.

This invention relates to a pressure measuring device that integrates nasal and esophageal pressure measurements, belonging to the field of medical device technology. This invention solves the problem of the high operational difficulty and time-consuming nature of existing devices that use two different devices to monitor esophageal and airway pressures separately. An esophageal tube, a cuff tube, a ventilation tube, and a nasal tube are all inserted into a nasal plug. The cuff is installed on the esophageal tube, and a first pressure sensor is connected to the other end of the cuff tube. A feeding hole is opened on the side wall of one end of the esophageal tube, and an air hole is opened on the esophageal tube near the cuff end. One end of the ventilation tube communicates with the air hole through the interior of the esophageal tube. A second pressure sensor is connected to one end of the nasal tube. Esophageal pressure is obtained through the first pressure sensor connected to the cuff, and nasal pressure is obtained through the second pressure sensor. Thus, a single device can simultaneously obtain the actual data of both esophageal and nasal pressures, effectively simplifying operation and shortening the operation time.

The invention discloses an oral cavity protective mask which comprises a mask body, a plurality of fixing rings are fixedly connected to the outer wall of the mask body, binding ropes are fixedly connected to the outer walls of the fixing rings, and a supporting mechanism is arranged on the mask body. According to the oral cavity protection mask, after the mask body is worn on the face of a patient through the binding rope, the first supporting semi-ring and the second supporting semi-ring stretch into the mouth of the patient at the same time, and then the first supporting semi-ring and the second supporting semi-ring can slide towards the two sides correspondingly according to actual needs; the distance between the first supporting semi-ring and the second supporting semi-ring is increased, the degree of opening the mouth of a patient can be determined according to the size of the oral cavity of the patient, the comfort of the patient is guaranteed, the opening degree can be adjusted according to the treatment requirement of a doctor, the doctor can clearly see a treatment area, a better operation space is provided, and the operation efficiency is improved. The treatment effect is improved, the device meets the actual treatment requirement, and the practicability of the device is improved.