30 results about "Space-occupying lesion" patented technology

The invention discloses a tumor malignant risk stratification auxiliary diagnosis system of an artificial intelligence medical image. The system comprises a data acquisition module, a data preprocessing module, a model establishment module, a model verification and optimization module, a stratification diagnosis module and a database platform. The tumor malignant risk stratification auxiliary diagnosis system of the invention is based on artificial intelligence technology, successive stratification of the malignant risk of the tumor can be achieved, the clinical diagnosis thinking is simulated, based on the high-precision ability of detecting benign lesions and malignant tumors of artificial intelligence model, and the space-occupying lesions with definite imaging features are diagnosed automatically. As a result, the system can substantially assist the clinical management decision of space-occupying lesions, improve the existing work flow of clinical diagnosis, increase the confidenceof doctors in diagnosis, reduce the work pressure, reduce the anxiety of patients with low-risk malignant lesions, greatly improve the diagnostic rate of benign lesions and malignant tumors, and hopefully realize the landing implementation of artificial intelligence clinical auxiliary diagnosis.

The invention discloses a processing method for space-occupying lesion ultrasonic images. The processing method preprocesses the acquired ultrasonic image, comprising the following steps: the removal of the text information around the image, filtration, edge enhancement, the determination of an effective information region and the like; automatic location of a lesion region; determination of the rough contour of the space-occupying lesion, and extraction of the precise contour of the lesion region with the rough contour as an initial contour for an active contour model algorithm. The processing method realizes the functions of automatically segmenting the space-occupying lesion ultrasonic image and automatically extracting the region of interest in order to automatically diagnose the space-occupying lesion, thus enhancing the objectivity and accuracy of clinical diagnosis, and therefore the processing method effectively assists the diagnosis of space-occupying lesions.

The invention discloses a liver ultrasonic image identification method based on sparse expression. The method comprises the following steps of: (1) selecting an interested area from a liver ultrasonic image training sample with a space-occupying lesion area; (2) extracting a gray scale symbiosis matrix texture ratio characteristic, a fractal characteristic and a abrupt change rate characteristic of the interested area; (3) utilizing a dictionary expansion method based on sparse reconstruction to construct an expanded dictionary by the image characteristics obtained in the step (2); (4) utilizing the expanded dictionary obtained in the step (3) to construct a classifier based on sparse expression; and (5) inputting the image characteristics of a testing sample into the classifier for identification and judgment, and identifying out the liver ultrasonic image with the space-occupying lesion area. According to the invention, the classified identification accuracy is high, and each index accords with a clinical diagnosis range.

The invention provides a liver space-occupying lesion identification method and device and an implementation device, which relate to the technical field of medical images. The method comprises the steps of acquiring a first CT image; recognizing the first CT image of each phase by a first recognition model, and recognizing the suspected focus position of the first CT image of each phase; carryingout the lateral and longitudinal combination of suspect lesion positions to obtain a detection frame position, and cutting that first CT image of each phase longitudinally according to the detection frame position to obtain a second CT image; identifying the lesion type of the suspected lesion position in the second CT image through the second recognition model, and judging the target lesion position from the suspected lesion position; segmenting the first CT image by the third recognition model, and obtaining the third CT image; and according to the detection frame on the third CT image, obtaining the position coordinates of the target focus. The lateral features between the four-phase images and the longitudinal features of the single-phase images are comprehensively considered, which greatly improves the accuracy of the recognition results.

The invention provides a DCP quick separation detection kit, by which content of abnormal prothrombin (DCP) in a human serum sample can be quickly, accurately and quantitatively metered in vitro, so that the kit is mainly used in clinical identification and diagnosis on primary hepatocellular carcinoma (HCC), chronic liver diseases and benign hepatic space-occupying lesions.

The invention relates to the technical field of medicines and aims at solving the technical problem about providing a new effective choice for preventing or treating intracranial space occupying lesion and intracranial tissues and organs inflammation. The scheme for solving the technical problem provides an application of Honokiol to preparing drugs for preventing or treating intracranial space occupying lesion and intracranial tissues and organs inflammation. The invention further provides the application of Honokiol combined with carmustine (BCNU) to preventing or treating primary or metastatic tumors of brain, and the application prospect is bright.

The invention discloses a temporarily-implanted positioning marker fir positioning a tiny space occupying lesion inside the lung. The temporarily-implanted positioning marker comprises a head end, a tail end and a middle section, wherein the head end can provide firm anchoring inside the lung tissue the tail end can provide firm anchoring on the visceral pleurae on the surface of the lung, and the middle section is arranged between the head end and the tail end and the proper length of the middle section can be selected according to the distance between the space occupying lesion and the adjacent visceral pleura faces. Due to the preforming structures of the head end and the tail end of the temporarily-implanted positioning marker, the temporarily-implanted positioning marker can be firmly anchored inside the lung tissue, meanwhile the temporarily-implanted positioning marker is slender in structure, soft in texture and easy to bend inside the lung tissue after being implanted, serious damage to the lung tissue cannot be caused in the implanting process and after the implanting process, the tiny space occupying lesion inside the lung tissue can be conveniently found along the implanted marker, and the temporarily-implanted positioning marker is quite suitable for accurately positioning the tiny space occupying lesion inside the lung tissue in a thoracoscope operation.

The invention relates to a traditional Chinese medicinal extract product prepared from traditional Chinese medicinal raw materials composed of root of large-flowered skullcap, cape jasmine and pseudo-ginseng, a traditional Chinese medicinal composition containing scutelloside, geniposide and panax notoginseng saponins, a medicine containing the traditional Chinese medicinal extract product or the traditional Chinese medicinal composition, and their clinical application. The traditional Chinese medicinal extract product, the traditional Chinese medicinal composition and the medicine containing the traditional Chinese medicinal extract product or the traditional Chinese medicinal composition can be used in emergency treatment and treatment of diseases such as cerebrovascular disease, intracranial infection, craniocerebral trauma, craniocerebral space-occupying lesion or intoxication and the like, which are mainly represented by brain edema.

The invention discloses a marker for positioning small space occupying lesion in lung and a marker positioning system. The marker for positioning small space occupying lesion in lung comprises a marker body, wherein the marker body comprises a head and an automatic expansion structure which can radially expand after being released from a compression device, and the automatic expansion structure isconnected with the head. The automatic expansion structure forms an umbrella structure with a head end and a split end after being released from the automatic expansion structure, and the marker alsocomprises a flexible pulling line which is provided with a fixing segment and a reserving segment; the fixing segment is fixed to the head, and the reserving segment is reserved to the marker body onthe surface of the lung for indicating an operator, and pulling force can be exerted to enable the part of tissue to be cut off to be outstanding. The marker can be fixed to the inner part of the lung, and a user can directly view from the surface of the lung, and can support the pulling on the lung tissue.

When an image for PET attenuation correction is generated from an MR image, the MR image captured by MRI is segmented into regions according to pixel values. In a region in which a radiation attenuation coefficient is considered to be uniform, a radiation attenuation correction value is determined by referring to an existing radiation attenuation correction value table. In a region including multiple tissues having different radiation attenuation coefficients, a radiation attenuation correction value is determined by referring to a standard image. In such a manner, an image for PET attenuation correction in which tissues having similar pixel values in the MR image but different attenuation coefficients for radiation can be distinguished and that can accommodate individual differences and an affected area such as a space occupying lesion (for example, a cancer, abscess, or the like) and an organic defect is generated.

When an image for PET attenuation correction is generated from an MR image, the MR image captured by MRI is segmented into regions according to pixel values. In a region in which a radiation attenuation coefficient is considered to be uniform, a radiation attenuation correction value is determined by referring to an existing radiation attenuation correction value table. In a region including multiple tissues having different radiation attenuation coefficients, a radiation attenuation correction value is determined by referring to a standard image. In such a manner, an image for PET attenuation correction in which tissues having similar pixel values in the MR image but different attenuation coefficients for radiation can be distinguished and that can accommodate individual differences and an affected area such as a space occupying lesion (for example, a cancer, abscess, or the like) and an organic defect is generated.

The invention discloses an endovascular biopsy device. The endovascular biopsy device comprises a pair of biopsy forceps, a turn barrel, an angle regulation resetting mechanism, a sheath, a fixing bladder and a liquid filling catheter, wherein the biopsy forceps comprise a binding clip, a long arm and an operating handle; the long arm is arranged in a hollow chamber of the turn barrel; the bindingclip and the end head of the long arm connected with the binding clip penetrate through the outer wall of the turn barrel; the angle regulation resetting mechanism is hinged with the outer wall of the turn barrel and is in slip connection with the end head of the long arm; the sheath is in slip connection with the turn barrel; the fixing bladder is arranged above the binding clip; the liquid filling catheter is arranged in the hollow chamber of the turn barrel; the liquid filling catheter is connected with the fixing bladder; and the fixing bladder is connected with a conical head. By the endovascular biopsy device, a biopsy tissue of an intravascular space-occupying lesion is obtained by an interventional method, thereby enabling pathological diagnosis. The effect of early diagnosis is achieved while avoiding open surgical trauma. On the basis, the invention also provides a biopsy system.

The invention discloses an electrode depolarization device, the technical problem needs to be solved is to carry out the depolarization processing to the electrode which has the polarization phenomenon. The electrode depolarization device of the invention is provided with a DC power supply and an electrolytic cell, the interior of the electrolytic cell is filled with electrolyte, a positive electrode of the DC power supply is connected with an electrode lead adapter device, the electrode to be subject to the depolarization processing which is connected with the electrode lead adapter device and a cathode which is connected with a negative electrode of the DC power supply are immersed in the electrolyte. Compared with the prior art, the connection structure of the electrode to be subject to the depolarization processing which is connected with the electrode lead adapter device and the cathode which is connected with the negative electrode of the DC power supply is immersed in the electrolyte, so the depolarization processing of an electroencephalogram silver or sliver-silver chloride electrode which has the polarization phenomenon can be carried out, thereby improving the measurement quality of the electroencephalogram and the electrocardiogram and improving the diagnosis accuracy of the doctors on epilepsy, brain trauma, encephalitis, cerebrovascular diseases, intracranial space occupying lesions, heart diseases, and so on.

The invention relates to a renal cystic space-occupying cystic fluid collecting system, comprising an operation handle, a cystic fluid suction device, a cystic fluid collector, a runner, and an operation handle of an operation forceps, wherein the operation handle is composed of a main body handle and a movable handle; the cystic fluid suction device is composed of a regulating device, a pressuregauge, a pressure regulating valve, a cylinder 1, a cylinder 2 and a connecting device; and the operation forceps consist of an outer tube, an inner tube, a tube core, a tong head, a fixing shaft, a fixing nut, an outer cover and a collecting cover. The renal cystic space-occupying cystic fluid collecting system has the advantages that: only one TROCA channel needs to be occupied; the renal cysticspace-occupying cystic fluid collecting system can prevent the cystic fluid from flowing into retroperitoneal cavity, and limit the implantation and metastasis of tumor cells and the spread of infection, and can prevent the outflow of cystic fluid from renal cystic space-occupying lesions, thus reducing the time of surgical wound debridement, and alleviating the pain of patients and the workloadof medical staff.

The invention discloses a processing method for space-occupying lesion ultrasonic images. The processing method preprocesses the acquired ultrasonic image, comprising the following steps: the removal of the text information around the image, filtration, edge enhancement, the determination of an effective information region and the like; automatic location of a lesion region; determination of the rough contour of the space-occupying lesion, and extraction of the precise contour of the lesion region with the rough contour as an initial contour for an active contour model algorithm. The processing method realizes the functions of automatically segmenting the space-occupying lesion ultrasonic image and automatically extracting the region of interest in order to automatically diagnose the space-occupying lesion, thus enhancing the objectivity and accuracy of clinical diagnosis, and therefore the processing method effectively assists the diagnosis of space-occupying lesions.

The present invention provides a new method for the early diagnosis of CNS damage in an individual, said CNS damage being caused by space-occupying lesions of the CNS, by invasion or metastasis of the CNS, by organisms, by anoxia or ischemia, by chemical agents, by physical agents, or by a combination of these mechanisms. This new method comprises the step of determining and / or quantifying the level of tau in said individual and comparing it to the level of tau in control healthy individuals.

The invention relates to a renal cancer exosome marker group and application thereof. The marker group comprises mRNA of an exosome-derived VHL gene, mRNA of an exosome-derived PBRM1 gene, mRNA of anexosome-derived ATM gene, mRNA of an exosome-derived PTEN gene and mRNA of an exosome-derived SETD2 gene. By means of detection of the mRNAs of the exosome-derived VHL, PBRM1, ATM, PTEN and SETD2 genes and a corresponding diagnosis model, the distinction between renal cancer patients and non-renal cancer patients can be achieved, especially the distinction between early renal cancer samples (suchas clinical T1 renal cancer) and non-renal cancer samples (for example, normal people, simple renal cysts, hamartomas and other benign renal space occupying lesions), and the defect is overcome that early renal cancer is clinically difficult to accurately diagnose in time.

The invention discloses a new application of a normal saline injection in identifying benignity or malignancy of tiny space occupying lesion in liver. The conventional normal saline injection is utilized to achieve unexpected effects. The normal saline injection has high identification sensitivity and specificity, and can be used for clarify a diagnosis on the benignity or malignancy of a tiny space occupying lesion in the liver.

The invention discloses a traditional Chinese medicine composition for treating space occupying lesions, which is prepared from the following raw materials in parts by weight: 4-8 parts of white mustard seed, 15-25 parts of medcinal evodia fruit, 5-10 parts of pinellia tuber, 4-8 parts of Szechuan lovage rhizome, 6-10 parts of earthworm, 10-20 parts of pilose asiabell root, 15-25 parts of ginger, and 25-35 parts of jujube. The traditional Chinese medicine composition for treating space occupying lesions provided in the invention solves the problems of poor treatment effect on space occupying lesions, difficulty in effecting a radical cure, and high possibility of causing other lesions in the prior art.

The invention aims to provide an electric excision biopsy device for a sheath of a fiberoptic ductoscopy, so as to excise a space occupying lesion in a laticifer with an electric knife. The electric excision biopsy device is characterized in that the electric excision biopsy device consists of the sheath and the electric knife, wherein the sheath adopts a pipe-shaped structure of which the sectionis circular or elliptic, and the front end of the sheath adopts a bevel structure; the electric knife penetrates across the bevel structure at the front end of the sheath or is in arc-shaped coincidence with a low-point position of the bevel structure; two ends of the electric knife are connected with the sheath; the electric knife is located on one side in a lower position of the bevel at the front end of the sheath; and the electric knife is connected with a sheath external power source through a conducting wire.

The invention relates to the purpose of antibody of specificity identifying tau and a reajent box containing the same.The present invention provides a new method for the early diagnosis of CNS damage in an individual, said CNS damage being caused by space-occupying lesions of the CNS, by invasion or metastasis of the CNS, by organisms, by anoxia or ischemia, by chemical agents, by physical agents, or by a combination of these mechanisms. This new method comprises the step of determining and / or quantifying the level of tau in said individual and comparing it to the level of tau in control healthy individuals.

The invention relates to a pair of intra-operative intelligent navigation glasses for precisely cutting away intracranial space-occupying lesions. The pair of glasses includes a glasses body, an imagetransmission module, a central processing module and a display module; the glasses body comprises lenses, a glasses frame, glasses legs and a polymer lithium battery; the image transmission module can receive patient two-dimensional image data sent by a wireless terminal; the central processing module rebuilds the two-dimensional image data to obtain a three-dimensional depth image, and the transparency of the image is improved; the display module is used for displaying the three-dimensional depth image. Due to the fact that the three-dimensional depth image can display the lesion position, after a surgeon wears the pair of intelligent glasses, the image is adopted as a background, the built anfractuosity, gyrus, blood vessels and other structures in the image are compared with the surgery field actual anatomical structure, the surgery field reality scene can be enhanced, the lesion position can be determined, and then surgery is guided. The pair of glasses is high in precision, reasonable in design, easy to obtain, simple in structure, low in price and applicable to precisely cutting away the meningiomas and other intracranial space-occupying lesions.

The invention relates to the technical field of medicines and aims at solving the technical problem about providing a new effective choice for preventing or treating intracranial space occupying lesion and intracranial tissues and organs inflammation. The scheme for solving the technical problem provides an application of Honokiol to preparing drugs for preventing or treating intracranial space occupying lesion and intracranial tissues and organs inflammation. The invention further provides the application of Honokiol combined with carmustine (BCNU) to preventing or treating primary or metastatic tumors of brain, and the application prospect is bright.

The invention relates to a scalp positioning method for encephalic supratentorial space-occupying lesions. The method comprises the following steps of preliminarily estimating a scalp projection region of an encephalic supratentorial space-occupying lesion of a patient, and then sticking five identification points capable of being recognized by an imaging device to the periphery of the region; after the head of the patient is scanned by the imaging device, rebuilding scanned data to obtain a three-dimensional rebuilding image including superior sagittal sinus, the five identification points and the encephalic supratentorial space-occupying lesion; drawing a neutral position identification line from the portion between the eyebrows to the external occipital protuberance along the center line of the head of the patient; photographing a patient head axial bitplane image including the neutral position identification line and the five identification points through image fusion software; importing the three-dimensional rebuilding image into the image fusion software through a data line, and then utilizing the software for fusing the three-dimensional rebuilding image and the axial bitplane image to obtain a new fusion image; according to the new fusion image, identifying a scalp projection of the encephalic supratentorial space-occupying lesion on scalp.

The invention belongs to the technical field of medical treatment, and particularly relates to a physical examination recommendation method and device for space occupying lesions, equipment and a storage medium. The method comprises the following steps: acquiring image description text' segmenting the image description text into text information of a target object; according to the text information of the target object, utilizing a preset label set to extract position occupying lesion feature information of the target object, wherein the preset label set is composed of all position occupying lesion features of the target object; according to the extracted feature information and a feature recommendation dictionary, performing calculation to obtain a first recommendation value of the target object space occupying lesion, wherein the feature recommendation dictionary comprises the corresponding relation between the target object space occupying lesion feature information and the recommendation probability; and when the first recommendation value of the position occupying lesion of the target object exceeds the recommendation threshold value, recommending a physical examination item of the target object to the user. The method improves the accuracy of information extraction, and then improves the accuracy and reliability of physical examination item recommendation.

The invention provides a method for detectingmulti-site mutation of free DNA of lung tumor plasma. The method is characterized in that a specific primer, a specific PNA probe and a capture technology are adopted to improve ctDNA detection and specificity, so that trace ctDNA can be detected. The invention provides primers, probes and a detection method for gene variation detection in a peripheral blood sample of a lung space-occupying lesion patient. The method has the advantages of high sensitivity, strong specificity, good repeatability, simplicity in operation, rapidness in detection, safety and the like, and has an auxiliary effect on diagnosis of lung cancer.

The invention discloses an electrode depolarization device, the technical problem needs to be solved is to carry out the depolarization processing to the electrode which has the polarization phenomenon. The electrode depolarization device of the invention is provided with a DC power supply and an electrolytic cell, the interior of the electrolytic cell is filled with electrolyte, a positive electrode of the DC power supply is connected with an electrode lead adapter device, the electrode to be subject to the depolarization processing which is connected with the electrode lead adapter device and a cathode which is connected with a negative electrode of the DC power supply are immersed in the electrolyte. Compared with the prior art, the connection structure of the electrode to be subject to the depolarization processing which is connected with the electrode lead adapter device and the cathode which is connected with the negative electrode of the DC power supply is immersed in the electrolyte, so the depolarization processing of an electroencephalogram silver or sliver-silver chloride electrode which has the polarization phenomenon can be carried out, thereby improving the measurement quality of the electroencephalogram and the electrocardiogram and improving the diagnosis accuracy of the doctors on epilepsy, brain trauma, encephalitis, cerebrovascular diseases, intracranial space occupying lesions, heart diseases, and so on.

The invention discloses a new application of a normal saline injection in identifying benignity or malignancy of tiny space occupying lesion in liver. The conventional normal saline injection is utilized to achieve unexpected effects. The normal saline injection has high identification sensitivity and specificity, and can be used for clarify a diagnosis on the benignity or malignancy of a tiny space occupying lesion in the liver.