42 results about "Ct diagnosis" patented technology

The invention discloses a pCR prediction method based on multi-type medical data. The method includes the following steps that: clinical data, CT diagnosis reports and enteroscope images are obtainedfrom a medical department; an SVM is trained by using the clinical data, a BERT model is obtained by means of transfer learning training with the CT diagnosis reports, and a Faster-RCNN model is obtained by means of transfer learning training on the basis of the enteroscope images; and the clinical data, CT diagnosis report and enteroscope image of a patient to be predicted are inputted into the three trained models, predicted pCR probabilities p1, p2 and p3 are obtained, the predicted pCR probabilities p1, p2 and p3 are fused, a final predicted pCR probability p is obtained, and if p is greater than a set threshold T, it is predicted that the patient has pCR. According to the method, the Faster-RCNN network is used; a tumor ROI can be automatically generated; a whole process does not needmanual intervention; and prediction efficiency is improved. The neural network is used for representation learning; manual setting and feature selection are not needed; and therefore, the accuracy and efficiency of prediction are improved. PCR prediction is carried out by combining the clinical data and the CT diagnosis report of the patient, so that prediction accuracy is improved.

The invention discloses a corona virus disease 2019 screening method and system based on deep learning. The corona virus disease 2019 screening method comprises the steps: detecting a lung lesion areaof CT by using a deep learning detection model, and conveying the lung lesion area of CT into a three-classification network, wherein three classifications comprise COVID-19, influenza A and non-infection symptoms; and through calculation processing, outputting a CT diagnosis result and a disease probability. According to the method, based on deep learning, characteristics of CT images are automatically learned to distinguish COVIDI-19, influenza A and healthy people, so that the method is high in accuracy, the overall accuracy of current testing reaches 86.7%, the diagnosis speed is high, and only 30-60 S is needed for one set of CT according to different slice numbers; and a user can upload a CT image file and calculate and output a CT diagnosis result and the disease probability through the corona virus disease 2019 screening system, so that operation is convenient, the speed is high, and the detection rate of COVID-19 is greatly increased.

An aqueous negative contrast agent for CT imaging of the gastrointestinal tract and the preparation method thereof. The agent is used in biological and pharmaceutical field. Its components and the weight percent are: hydrogel matrix 0.01-1%, micro- / nano-particles of the materials with low densities 5-50%, stabilization agents 0.1-5%, the rest is deionized water. The preparation method is: stabilization agents are added into the hydrogel matrix made of natural or synthetic hydrophilic polymers, then micro- / nano-particles of the materials with low CT densities are added or prepared, and uniformly dispersed in the hydrogel matrix. The CT density of the resulted aqueous negative contrast agent for CT imaging of the gastrointestinal tract is −30HU to −500HU. It can decrease the CT density inside the intestine lumen to lower than −30HU. The intestine wall can be depicted clearly and the CT signals intensities inside lumen are uniform. It is feasible for 3D images processing such as virtual endoscopy reconstruction with the negative contrast agent. The agent is safe, stable and nontoxic. It will not lead to diarrhea after administration. It is of great significance for the improved sensitivity and specificity of CT diagnosis for the diseases on the intestinal wall and lumen.

The invention relates to a closed upward horizontal CT diagnostic device, and belongs to the technical field of medical equipment. The closed upward horizontal CT diagnostic device disclosed by the invention comprises a main body, wherein a front supporting plate and a rear supporting plate are arranged on the lower side of the main body; an oxygen carrier storage tank is arranged on the front side of the front supporting plate; an oxygen carrier is arranged inside the oxygen carrier storage tank; an oxygen carrier storage tank front door is arranged on the left side of the oxygen carrier storage tank; an electromagnet is arranged on the oxygen carrier storage tank front door; a magnet is arranged on the right side of the oxygen carrier storage tank; an oxygen transferring frequency display is arranged on the right side of the oxygen carrier storage tank; an oxygen transferring frequency increase button is arranged on the lower side of the oxygen transferring frequency display; an oxygen transferring frequency decrease button is arranged below the oxygen transferring frequency increase button; a power supply box is arranged on the front side of the rear supporting plate. The device disclosed by the invention is complete in functions and convenient to use and is safe, efficient and low in time and labor consumption while performing CT diagnosis on a patient, and workload of medical personnel is greatly alleviated.

The invention discloses a stent for assisting computed tomography (CT) diagnosis of tarsometatarsal joint injury. The stent comprises a stent main body, a foot fixer, a pedal, an inner tube and an adjusting piece, wherein the inner tube is fixedly arranged on the stent main body; the adjusting piece is arranged on the inner tube in a rotatable and sliding mode; and both the foot fixer and the pedal are fixedly connected with the adjusting piece. The stent for assisting the CT diagnosis of the tarsometatarsal joint injury can assist a patient in maintaining a foot at a plantar flexion ectropion position in the CT diagnosis process, so that diagnosis is facilitated, the requirement of the CT diagnosis for the flexion direction of the foot of the patient is met, the CT diagnosis operation can be accurately performed, and the accuracy and the precision of the diagnosis result are ensured.

The invention provides a liver CT diagnosis system based on computer assistance. The liver CT diagnosis system comprises an image acquisition module, an image three-dimensional reconstruction module,an image enhancement module and an image segmentation module, wherein the image acquisition module comprises a CT machine and a computer, the CT machine imports acquired liver CT slice images into thecomputer, and the computer processes the liver CT slice images to obtain two-dimensional liver images; and the liver three-dimensional image reconstruction module is used for drawing and reconstructing the two-dimensional liver image to obtain a three-dimensional liver image. The image enhancement module is used for carrying out blood vessel enhancement processing on the three-dimensional liver image to obtain a blood vessel enhanced image; the image segmentation module is used for segmenting the blood vessel enhanced image; according to the CT diagnosis method for the liver based on computerassistance, scientific research personnel can conveniently research and know the position of the blood vessel in the liver area, and liver operation can be well assisted.

The invention provides a heteropolyacid nano-molecular medicine as well as a preparation method and an application thereof. The medicine comprises heteropolyacid or heteropolyacid salt molecules and a coating material coating the surface of heteropolyacid or the heteropolyacid salt molecules, wherein the heteropolyacid or heteropolyacid salt molecules have the structure shown in (I), (II) or (III). The heteropolyacid nano-molecular medicine can selectively interact with tumor cells and can be used as a contrast agent in magnetic resonance imaging and CT diagnosis of tumors; besides, the medicine molecules have strong oxidation-reduction quality and light sensitivity and thus can be used as medicines assisting in thermal therapy, meanwhile, the molecules have strong X-ray absorption capacity and thus can perform functions as auxiliary radiotherapy medicines, so that diagnosis and treatment of tumors can be realized simultaneously, integration of diagnosis and treatment can be realized, targeted treatment of tumors is enhanced, and the tumor treatment effect is improved.

The invention discloses a patient breath-holding monitoring device and method applied to CT scanning. The device includes a breathing mouthpiece, an air guide tube and a breath-holding monitoring host; the breathing mouthpiece is connected to the breath-holding monitoring host through the air guide tube to form an integrated structure, the breathing mouthpiece includes a biting part and a joint part, and a bottom opening of the biting part communicates with the joint part; the breath-holding monitoring host includes a shell, a breathing sensor and a host circuit board, the breathing sensor isconnected to the interior of a conductor groove of the host circuit board through an electric conduction patch plug, the shell is provided with a main airway and an air inlet and outlet of the breathing sensor, and the main airway of the breathing sensor communicates with the air inlet and outlet; and each end of the air guide tube is provided with a connection opening, one connection opening in one end of the air guide tube communicates with the joint part of the breathing mouthpiece, and one connection opening in the other end communicates with the main airway of the breathing sensor. When the device and method provided by the invention are implemented, the breathing mouthpiece is placed on a patient mouth to directly monitor patient breath-holding conditions during the CT scanning, so that the quality of CT scanning images is improved, and the accuracy of CT diagnosis results is improved.

An aqueous negative contrast agent for CT imaging of the gastrointestinal tract and the preparation method thereof. The agent is used in biological and pharmaceutical field. Its components and the weight percent are: hydrogel matrix 0.01-1%, micro- / nano-particles of the materials with low densities 5-50%, stabilization agents 0.1-5%, the rest is deionized water. The preparation method is: stabilization agents are added into the hydrogel matrix made of natural or synthetic hydrophilic polymers, then micro- / nano-particles of the materials with low CT densities are added or prepared, and uniformly dispersed in the hydrogel matrix. The CT density of the resulted aqueous negative contrast agent for CT imaging of the gastrointestinal tract is −30 HU to −500 HU. It can decrease the CT density inside the intestine lumen to lower than −30 HU. The intestine wall can be depicted clearly and the CT signals intensities inside lumen are uniform. It is feasible for 3D images processing such as virtual endoscopy reconstruction with the negative contrast agent. The agent is safe, stable and nontoxic. It will not lead to diarrhea after administration. It is of great significance for the improved sensitivity and specificity of CT diagnosis for the diseases on the intestinal wall and lumen.

The invention discloses a heart CT structural report system which comprises a structural processing module, a computer auxiliary diagnosing module, a database module, a template analyzing module, a display module, a storing module and an inquiring module. By means of the heart CT structural report system, a CT diagnosis report is structurally processed, a temperature and data are separated out, the template is automatically filled up according to actual needs to form a complete diagnosis report after the computer auxiliary diagnosing system obtains related case data, the work efficiency of a doctor is improved, and the heart CT structural report system has the advantages of being accurate, efficient, capable of saving time and labor and suitable for application and popularization.

The invention discloses a Nectin-4 targeted nucleic acid aptamer nuclide diagnosis and treatment integrated probe, and relates to the field of biotechnology and diagnosis and treatment integration and treatment, and the diagnosis and treatment integrated probe comprises a Nectin-4 targeted nucleic acid aptamer, a nuclide chelating ligand and a nuclide for marking; wherein the Nectin-4 targeting nucleic acid aptamer has a base sequence as shown in any one of SEQ ID NO.1-3, or has a base sequence of which the homology with the base sequence as shown in any one of SEQ ID NO.1-3 is more than 80%. The diagnosis and treatment integrated probe prepared by the invention can be applied to PET / CT diagnosis and internal irradiation radioactive therapy, on one hand, non-invasive visual molecular imaging of Nectin-4 receptor protein overexpression tumors is realized, and on the other hand, radioactive therapy of malignant bladder cancer is further realized; the probe is good in specific targeting effect and high in tumor uptake and has a diagnosis and treatment integrated function.

The present invention relates t oa soft X-ray filtering sheet for medical X-ray apparatus. It is made up by using aluminium, zinc, copper, manganese and iron as raw material components according to a certain weight ratio through the process of hydraulic-pressing or sintering treatment. Said invented product can filter off soft X-ray, only allow the hard X-ray to pass through, so that it not only can reduce radiation damage to human body, but also can obtain clear roentgenogram, and can reduce radioactive rays quantity by above 50%. Said invention is low in cost, can be used in the fields of fluoroscopy, CT diagnosis and cardiac catheterization, etc..

1. The name of this design product: Medical CT high-voltage generator (XSG55). 2. Application of this design product: medical CT diagnosis. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: refer to Figure 1 for the combined state. 5. Other situations that require explanation Component description: Component 1 is the inverter and component 2 is the high-voltage tank.

The invention discloses a stent for assisting computed tomography (CT) diagnosis of tarsometatarsal joint injury. The stent comprises a stent main body, a foot fixer, a pedal, an inner tube and an adjusting piece, wherein the inner tube is fixedly arranged on the stent main body; the adjusting piece is arranged on the inner tube in a rotatable and sliding mode; and both the foot fixer and the pedal are fixedly connected with the adjusting piece. The stent for assisting the CT diagnosis of the tarsometatarsal joint injury can assist a patient in maintaining a foot at a plantar flexion ectropion position in the CT diagnosis process, so that diagnosis is facilitated, the requirement of the CT diagnosis for the flexion direction of the foot of the patient is met, the CT diagnosis operation can be accurately performed, and the accuracy and the precision of the diagnosis result are ensured.

The invention relates to a closed upward horizontal CT diagnostic device, and belongs to the technical field of medical equipment. The closed upward horizontal CT diagnostic device disclosed by the invention comprises a main body, wherein a front supporting plate and a rear supporting plate are arranged on the lower side of the main body; an oxygen carrier storage tank is arranged on the front side of the front supporting plate; an oxygen carrier is arranged inside the oxygen carrier storage tank; an oxygen carrier storage tank front door is arranged on the left side of the oxygen carrier storage tank; an electromagnet is arranged on the oxygen carrier storage tank front door; a magnet is arranged on the right side of the oxygen carrier storage tank; an oxygen transferring frequency display is arranged on the right side of the oxygen carrier storage tank; an oxygen transferring frequency increase button is arranged on the lower side of the oxygen transferring frequency display; an oxygen transferring frequency decrease button is arranged below the oxygen transferring frequency increase button; a power supply box is arranged on the front side of the rear supporting plate. The device disclosed by the invention is complete in functions and convenient to use and is safe, efficient and low in time and labor consumption while performing CT diagnosis on a patient, and workload of medical personnel is greatly alleviated.

The invention discloses a marker group for screening and diagnosing pancreatic cancer and application of the marker group, and belongs to the technical field of molecular biology. The marker group comprises at least four of polypeptides as shown in sequences SEQ ID NO. 1 to 38. The marker combination constructed by the invention has more excellent sensitivity and specificity when being used for auxiliary diagnosis and early screening of pancreatic cancer. The auxiliary diagnosis result of the selected marker combination is partially or completely superior to that of imaging CT diagnosis (the sensitivity is 80%, and the specificity is 72%) recommended by the current clinical guide by 15. The invention further discloses an exosome marker detection kit based on the miRNA (micro Ribonucleic Acid), wherein the sensitivity is 80%, and the specificity is 94.7%. Early screening results are partially or completely superior to joint detection (the sensitivity is 87.5%, and the specificity is 93.8%) of traditional pancreatic cancer markers CEA, CA199 and CA242 consensus recommended by pancreatic cancer early screening experts at present.

The application discloses a marker group for screening and diagnosing pancreatic cancer and application thereof, and belongs to the field of molecular biological technology.The marker group comprises at least four polypeptides shown in sequences of SEQ ID NO.1-38.The marker group constructed by the application has more excellent sensitivity and specificity when used for auxiliary diagnosis and early screening of pancreatic cancer.The auxiliary diagnosis results of the marker group selected by the application are all partially or completely superior to current clinical guideline recommended imaging CT diagnosis (sensitivity is 80%, specificity is 72%) 15 and miRNA-based exosome marker detection kit (sensitivity is 80%, specificity is 94.7%).The early screening results are all partially or completely superior to current pancreatic cancer early screening expert consensus recommended combined detection of traditional pancreatic cancer markers CEA, CA199 and CA242 (sensitivity is 87.5%, specificity is 93.8%).

The invention discloses a multifunctional positioning device for fracture CT diagnosis, which belongs to the technical field of positioning devices and comprises a support frame, and a bottom plate is arranged at the lower end of the support frame. The counterweight bag is arranged between the bottom plates, sand grains are contained in the counterweight bag, the whole device can be directly placed on a diagnosis table for use, subsequent position adjustment is facilitated, the angle adjusting structure is adopted for installation of the fixing structure, angle adjustment of the fixing structure can be conducted according to actual conditions, the use flexibility is improved, and the practicability is high. A worm wheel and a worm are arranged in the angle adjusting structure, a self-locking effect is achieved after adjustment, through the arranged fixing structure, a first lifting plate and a second lifting plate are arranged at the lower ends of two electric push rods respectively, a positioning cloth belt is arranged between the two lifting plates, and the limbs of a patient are flexibly positioned and fixed; the limb of a patient is protected while positioning is guaranteed, the position of a second electric push rod can be adjusted through a position adjusting assembly, and flexibility and adaptability are improved.

The utility model provides a CT (Computed Tomography) diagnosis shelter. The CT diagnosis shelter comprises a supporting framework, an outer wall plate and an inner wall plate. Wherein the multiple outer wall plates are arranged to surround the supporting framework, and a hollow cuboid structure is formed by the outer wall plates and the supporting framework; the inner wall plates are fixedly arranged between the outer wall plates, and the space defined by the outer wall plates is divided into a photography room, an equipment room and an operation room. The outer wall plate and the inner wall plate are both composite plates. The CT diagnosis shelter can meet the requirement of CT equipment for the use environment, and has the advantages of being high in deployment speed and high in environmental adaptability.

The invention relates to the technical field of medical detection reagents. CT liver-specific contrast agent refers to the use of phagocytosis of kupffer cells in the reticuloendothelial system of the liver to specifically accumulate the contrast agent in the liver, which improves the sensitivity and specificity of CT diagnosis. At present, the research on macromolecular or granular CT liver-specific contrast agents is mostly focused on encapsulating conventional CT contrast agents with liposomes, which generally have disadvantages such as low encapsulation efficiency, low drug loading, and unstable preparations. The invention provides a liver-specific CT contrast agent and a preparation method thereof. It adopts ethyl cellulose as a carrier, wraps derivatives of triiodoisophthalic acid, and obtains iodine-containing ethyl cellulose microspheres.

The invention relates to a patient support system for standing position CT diagnosis, and belongs to the technical field of medical supports, the patient support system comprises a base and an upper seat for a patient to stand, and the upper seat is installed on the base in a lifting mode through a scissor arm system; the fixed end of the electric telescopic rod is installed on the base, and the electric telescopic rod is connected with the scissor arm system to drive the scissor arm system to stretch out and draw back; the back plate assembly is detachably and fixedly installed on the upper seat and used for a patient standing on the upper seat to lean on. Through the structure, the patient support system enlarges the human body detection range through the lifting upper seat, and is reasonable in structure and high in practicability.

The invention relates to the technical field of medical instruments, in particular to a positioning device for head CT diagnosis. According to the technical scheme, a fixing plate is arranged, a rectangular piece and a neck supporting assembly are arranged at the top of the fixing plate, a first two-way lead screw is arranged in the middle of the lower portion of the fixing plate, moving plates are evenly arranged on a rod body of the first two-way lead screw, and three sets of moving grooves are evenly and horizontally formed in the fixing plate; auxiliary positioning mechanisms are arranged at the positions, corresponding to the fixed plate moving grooves, of the moving plate, and each auxiliary positioning mechanism comprises a head top positioning assembly, a head middle area positioning assembly and a neck side positioning assembly. Through cooperation of the abutting block, the U-shaped piece, the threaded rod, the rectangular rod, the moving block, the connecting rod, the rotating piece, the two-way lead screw, the air bag and the push rod, the head of a patient can be positioned and supported at different positions, the head top can be supported in multiple directions according to the condition of the patient, and the head CT diagnosis positioning efficiency and stability are improved.

The invention discloses a system and method for monitoring breath holding of a patient by means of infrared distance measurement. The system comprises an infrared distance measurement mainframe, a jitter transfer device and a computer terminal; the jitter transfer device comprises a light reflection board, an abdominal protective sleeve and a communicating mechanism; the infrared distance measurement mainframe comprises a mainframe shell, a mainframe circuit board, an infrared emitting end, an infrared receiving end and a serial interface; the infrared emitting end comprises an infrared emitting tube and a convex lens; the infrared receiving end comprises an infrared receiving tube light filter; the mainframe circuit board comprises an infrared emitting circuit, an infrared receiving circuit, an amplifying circuit, an A / D converter, a single chip microcomputer, an RS232 to RS485 conversion circuit and an interface circuit; and the computer terminal is connected with the infrared distance measurement mainframe through the serial interface, and breath holding monitoring app software used for detecting a breath holding state of the patient is installed on the computer terminal. According to the system and method for monitoring breath holding of the patient by means of infrared distance measurement, the breath holding situation of the patient during CT scanning can be monitored bymeans of infrared distance measurement, the quality of CT scanning images is improved, and the accuracy of a CT diagnosis result is improved.

The invention relates to the technical field of tarsometatarsal joint treatment, in particular to a support for assisting CT diagnosis of tarsometatarsal joint injuries, and overcomes the defects that no supporting equipment is used for pressing soles during tarsometatarsal joint CT scanning, so that the radiography effect is not ideal, and the supporting equipment cannot adapt to the sizes of feet of different patients. A first supporting plate is welded to the top of the first supporting column, a second supporting plate is fixed to the top of the second supporting column through welding, a connecting rod is clamped to the bottom of the first supporting plate, connecting plates are fixed to the ends of the two sides of the second supporting plate through welding, and first rotary knobs are connected to the outer sides of the connecting plates through threads. According to the auxiliary support for diagnosing the tarsometatarsal joint, the shank of a patient is effectively supported, the foot is effectively fixed, the foot is pressed downwards, CT scanning is facilitated, and a doctor can judge the injury condition easily.

The utility model relates to a pain auxiliary positioning device matched with CT and a diagnosis and treatment bed. A pain positioning diagnosis and treatment bed matched with CT diagnosis comprises a marking rod and a marking bead arranged in the marking rod, wherein all components of the marking rod are made of non-metal materials. The marking rod comprises a marking frame and an extension rod connected with the marking frame; and the marking frame is provided with a marking groove for placing the marking bead. The utility model further discloses a pain positioning diagnosis and treatment bed matched with CT diagnosis, the pain positioning diagnosis and treatment bed comprises a bed body and a driving mechanism for driving the bed body to reciprocate relative to the scanner, and a marking rod fixing frame is arranged on the side, away from the scanner, of the bed body; and any one of the marking rods is arranged on the marking rod fixing frame. According to the pain auxiliary positioning device matched with the CT, when a patient uses the positioning device to conduct CT scanning, the marking beads in the marking rods can form marks around the marking frame under CT scanning, and a doctor can conveniently look up the marks. The image reading range of doctors during diagnosis and treatment is narrowed, the workload is greatly reduced, and the diagnosis and treatment efficiency is improved.

The utility model relates to the technical field of medical instruments, and discloses an auxiliary CT diagnosis positioning device which comprises a CT bed and a base, the top of the base is fixedly connected with a supporting pipe, the top of the supporting pipe is rotationally connected with a gear ring, a U-shaped mounting box is arranged on the outer side of the CT bed, a second connecting rod is rotationally connected in the U-shaped mounting box, and the second connecting rod is fixedly connected with the base. A first rolling wheel is fixedly connected to the outer wall of the second connecting rod, a second rolling wheel is rotatably connected to the interior of the U-shaped mounting box, a positioning plate is arranged on the upper portion of the CT bed, and a second screw rod is fixedly connected to the side face of the positioning plate. By rotating the first connecting rod, the worm and the gear ring, the first screw rod moves up and down, the U-shaped mounting box moves up and down, the positioning plate moves up and down, the second connecting rod rotates and the two first rollers rotate, and the second screw rod and the positioning plate move front and back through movement of the belt and rotation of the second rollers.

A precursor designated as DAZTA5-PPA2 for PET / CT diagnosis and nuclear therapy|of SSR active lesions with radioisotopes 68Ga and 177Lu provides improved|affinity, specificity and imaging of small metastases.

The invention discloses an electronic scanner for hospital surgery remote diagnosis, and a use method thereof. The electronic scanner comprises a shell, a manned table rotationally is connected to the inner wall of a scanning cavity, the electronic scanner further comprises CT scanning heads arranged vertically and a driving mechanism used for driving the CT scanning heads to move transversely and driving the manned table to rotate, and the transverse movement of the CT scanning heads and the rotation of the manned table are alternately carried out. The electronic scanner has the effects that the parts above the chest of a patient can be subjected to remote omnibearing scanning firstly and then the parts below the chest of the patient can be subjected to close omnibearing scanning through a single driving component, so the problems that when the CT diagnostic imaging device is used, a CT scanning head of the CT diagnostic imaging device cannot automatically perform omnibearing scanning on the patient, the CT diagnostic imaging device cannot automatically perform omnibearing scanning on the patient, a patient needs to walk or move CT diagnosis imaging equipment by himself or herself, operation is troublesome, the CT scanning head of the patient is often close to the patient during scanning, and therefore radiation has large harm to the head of the patient when the head of the patient is scanned are solved.

The invention relates to the technical field of medical instruments, and discloses a support for assisting CT diagnosis of tarsometatarsal joint injury, the support comprises a bottom plate, two bearing plates are fixedly mounted at the top of the bottom plate, and a plurality of first sliding rods are movably inserted into the outer surfaces of the two bearing plates. According to the support for assisting CT diagnosis of the tarsometatarsaljoint injury, a multi-angle adaptation structure is additionally arranged, a clamping structure replaces a traditional bolt structure, a sole massage structure is additionally arranged, and the problems that most supports cannot be adjusted for patients with different foot types, or the treatment efficiency is affected due to the fact that the adjusting amplitude is not large are avoided; the problems that an existing support needs to be disassembled by screwing a large number of bolts, the efficiency is low, emergency diagnosis is not facilitated, the existing support cannot move the sole, and when a patient wears the support for a long time, blood circulation of the bottom of the sole is not smooth, the recovery speed is low, and meanwhile the muscle atrophy of the foot of the patient can be caused are solved.

The invention relates to the technical field of chemical synthesis of medicines, in particular to a cyclic peptide compound, a peptide ligand, a peptide complex and application thereof. The cyclopeptide compound, the peptide ligand and the peptide complex provided by the invention have remarkable uPAR targeting specificity and good target affinity, which indicates that the peptide compound, the peptide ligand and the peptide complex can act on related diseases with high expression of uPAR, or can be used as a targeting carrier to carry nuclide to be accurately delivered to a tumor site, so that the treatment effect of the tumor site is improved. And PET / CT diagnosis or precise radioactive treatment of tumors is realized.