186 results about "Hepatogard" patented technology

The invention discloses a filtering device for reinfusion after external drainage of bile in the hepatobiliary surgery department, and belongs to the technical field of medical instruments. The filtering device comprises a drainage mechanism, a stepped filtering mechanism and a reinfusion mechanism. The stepped filtering mechanism is used for filtering bile; the stepped filtering mechanism is detachably connected with the drainage mechanism and the feedback mechanism. The stepped filtering mechanism comprises a filtering carrier, a filtering cavity and a pumping mechanism used for pumping bile to the filtering cavity are arranged in the filtering carrier, a primary screen, a hollow fiber membrane and a hydrophilic gel filtering membrane are sequentially arranged in the filtering cavity from top to bottom, and a cleaning mechanism used for cleaning the primary screen is arranged on one side of the primary screen. An ultrasonic vibration module for cleaning attachments on the hollow fiber membrane is arranged on one side of the hollow fiber membrane. By means of the intelligent design and the multi-stage filtering mechanism, the bile feedback efficiency and safety are remarkably improved, and the infection risk is reduced.

The invention provides a liver and gall disease prediction model construction method, system and device combined with multi-modal data and a medium, and belongs to the technical field of data prediction model construction. Medical data of a patient is collected; extracting the medical data in the medical data set, and evaluating the feature weight of each piece of medical data by using a regression analysis statistical algorithm; a comprehensive feature vector set is generated through fusion, and a preliminary liver and gall disease prediction model is constructed; and deploying the liver and gall disease prediction model to a medical terminal, and performing periodic updating through a cloud. A regression analysis statistical algorithm is utilized to evaluate a feature weight, features, such as key features such as glutamic-pyruvic transaminase and liver ultrasound image texture features, which have important influences on liver and gall disease prediction can be screened out, the data dimension is reduced, the model complexity is reduced, the key feature effect is highlighted, and the interpretability and prediction accuracy of the model are improved.

The invention relates to the technical field of hepatobiliary patient body data prediction, in particular to a hepatobiliary patient risk early warning method and system based on deep learning. According to the method, the lesion parameters are obtained according to the change of the body data of each dimension in a long time; obtaining a dimension influence degree according to the number of liver cancer patients and the lesion parameter distribution of the liver cirrhosis patients in each dimension; according to the similarity degree of the to-be-analyzed patient and the liver cancer patient in each dimension, the lesion similarity degree is obtained, and prediction parameters of the to-be-analyzed patient are obtained in combination with the dimension influence degree and the lesion parameters. And performing risk prediction on the to-be-analyzed patient according to the prediction parameters. According to the method, the body data of each dimension of the long-term cirrhosis patient is analyzed, and the relevance between the complexity of the judgment process and the body data of each dimension is considered, so that the risk early warning of the long-term cirrhosis patient can be accurately performed.

The novel multichannel drainage device for liver and gall interventional therapy comprises a liquid collecting bag and a communicating pipe arranged at one end of the liquid collecting bag, a collecting barrel is arranged at the other end of the communicating pipe, and a plurality of drainage pipes are arranged at the other end of the collecting barrel; wherein sensor bodies are arranged at the middle ends of the drainage tubes, side holes are formed in the side faces of the top ends of the drainage tubes, and the drainage tubes are communicated with the collecting barrel and communicated with the communicating pipe. And a safer and more effective treatment tool is provided for liver and gall interventional therapy.

The invention discloses a device with a function of relieving pain after hepatobiliary surgery, which comprises a waistband body, two ends of the waistband body are movably sleeved with an adjusting frame, two end faces of the adjusting frame are respectively provided with massage grooves, the front side surface of the adjusting frame is fixedly provided with a massage assembly, and the rear side surface of the adjusting frame is pasted with a disposable auxiliary assembly. A cold compress mesh belt is arranged at the position, between the two adjusting frames, of the waistband body, and a cold compress assembly is fixedly installed on the surface of the cold compress mesh belt; the device can be used for cold compress, massage and traditional Chinese medicine hot compress on the surgical site at the same time, pain and swelling are relieved at the same time, blood circulation is promoted, muscular tension is relieved, and the comfort of a patient is improved.

The invention provides a novel macrocyclic compound, a gadolinium chelate thereof, a method for preparing the compound and application of the compound as a magnetic resonance contrast agent. The compound has pertinence on magnetic resonance detection of liver focal lesions and can be used for liver specific imaging.

The endoscope comprises an operating part, a connecting part and an inserting part, the inserting part is connected with the operating part through the connecting part, the inserting part comprises a catheter body, an incision knife channel and a guide wire channel, the incision knife channel and the guide wire channel are arranged along the catheter body, an incision knife and a guide wire are installed in the incision knife channel and the guide wire channel respectively, and a sliding block is installed on the operating part. The sliding block is connected with the incision knife, and a control part used for controlling pulling of the guide wire is arranged on the operation part. The insertion part enters the body of a patient along with an endoscope, and the guide wire can be directly operated to pull through the control part arranged on the operation part, so that the direction of the front end of the insertion part is changed, and accidental injuries are reduced.

The invention provides a postoperative bleeding risk monitoring method and system for a hepatobiliary patient. The method comprises the following steps: collecting real-time multi-modal data; constructing an LSTM-CNN hybrid model by using the time-frequency decomposition features, and obtaining a local tissue hypoxia index and a vasomotor function anomaly probability; the low-frequency impedance change rate and the albumin level are fused through a random forest algorithm, and the ascites occurrence probability and the effusion amount predicted value are obtained; and generating a bleeding point positioning coordinate and a thermodynamic diagram risk grade. And calculating a comprehensive bleeding risk probability and positioning a bleeding area. And generating graded early warning signals and recommending personalized treatment schemes or nursing suggestions. According to the invention, the LSTM-CNN hybrid model, the random forest algorithm and the three-dimensional convolutional neural network are adopted to deeply extract different data features, so that the limitation of single index evaluation is avoided. A causal relationship model is established through the Bayesian network, and the comprehensive risk probability calculation preciseness is improved; the early warning threshold is dynamically adjusted by combining the individual characteristics of the patient, and the traditional problem of easy misjudgment is solved.

The utility model discloses a novel drainage device for hepatobiliary surgery, and relates to the technical field of drainage devices. The collecting bag is connected with a drainage tube through a first connecting tube and a first connecting cap, the collecting bag is connected with a negative pressure suction ball through a second connecting tube and a second connecting cap, a first partition strip and a second partition strip are arranged on the inner side of the collecting bag, a plurality of drainage holes are formed in the side wall of the end, away from the collecting bag, of the drainage tube, and a plurality of scale marks are arranged in the side wall of the drainage tube. And the plurality of scale lines are colored lines. Along with the collection of the effusion by the collection bag and the reduction of the pressure in the negative pressure suction ball, the gas is discharged through the one-way valve II after the negative pressure suction ball is pressed, and the negative pressure in the negative pressure suction ball is increased, so that the negative pressure can be adjusted by simply pressing the negative pressure suction ball under the condition that the collected effusion is not discharged, the drainage process is effectively controlled, and the drainage efficiency is improved. The operation convenience and flexibility are improved; and stable connection of the drainage tube is realized by utilizing the anti-falling mechanism.

The invention is suitable for the technical field of liver and gall CT data processing, and particularly relates to a liver and gall CT diagnosis report generation method and equipment, and the method comprises the steps: obtaining historical diagnosis information and a first liver and gall CT of a patient; according to the first liver and gallbladder CT and the historical liver and gallbladder CT, determining a first abnormal area of liver and gallbladder plain scanning CT and / or a second abnormal area of liver and gallbladder enhanced CT; obtaining abnormal region information according to the first abnormal region and / or the second abnormal region; determining liver and gall text features of the patient according to the abnormal region information and a liver and gall feature library; according to the first abnormal region and / or the second abnormal region, superposing the liver and gall plain-scan CT and the liver and gall enhanced CT to obtain a second liver and gall CT; and obtaining a diagnosis report according to the liver and gall text features and the second liver and gall CT. Therefore, the liver and gall CT diagnosis report generation method provided by the embodiment of the invention can improve the efficiency of generating the liver and gall CT diagnosis report.

The present invention relates to a selective hepatobiliary blood flow occlusion calibration method and system based on three-dimensional reconstruction, which includes extracting a feature map of hepatobiliary tomographic images through a backbone network, inputting the feature map into a classification branch to obtain a probability distribution matrix of each pixel point, calculating the gradient of each point in the hepatobiliary tomographic image to obtain an edge intensity map, obtaining an edge uncertainty probability map by using the probability distribution matrix and the edge intensity map, performing image segmentation on the medical tomographic image according to the edge uncertainty probability map and the probability distribution matrix to obtain a region of interest; determining the number of images to be inserted between two adjacent tomographic images, and determining the region of interest in the inserted images according to the regions of interest of the same type in two adjacent tomographic images and the edge uncertainty probability map; performing three-dimensional reconstruction by using the segmented regions of interest and the regions of interest in the inserted images, and determining the blood flow occlusion marking position by using the relationship between the blood vessels and the patient region.

The invention relates to the technical field of production of nano composite materials, in particular to space heterostructure ferrite nano particles with a hepatocyte targeting function and a preparation method of the space heterostructure ferrite nano particles. According to the nanoparticles, a core layer and a shell layer are doped with metal elements in a gradient manner, and a ligand layer with a hepatocyte targeting function is modified, so that a physical-chemical three-layer composite system with a spatial heterostructure is formed. According to the magnetic resonance imaging contrast agent prepared on the basis of the spatial heterogeneous distribution of gradient doping of the ferrite nanoparticles by regulating and controlling the types and concentrations of doping elements, the enrichment effect and the local recognition capability in a liver region can be remarkably enhanced, the relaxation rate of the ferrite nanoparticles is effectively increased, and the magnetic resonance imaging contrast agent has a good application prospect. The contrast ratio, the imaging speed and the effective imaging time window of living liver and gall imaging are optimized, and meanwhile, the biocompatibility and the metabolic performance of the material are improved.

The invention discloses a hepatobiliary surgery retractor which comprises an adjusting frame and a working frame, a plurality of positioning clamps are clamped on the outer surfaces of the adjusting frame and the working frame, and automatic traction monitors are arranged on the side walls of the positioning clamps on the outer surface of the working frame. The adjusting frame is composed of a vertical rod and a transverse rod, a fixing plate is fixed to the positioning clamp between the vertical rod and the transverse rod, and an L-shaped connecting plate is fixed to the side wall of the positioning clamp on the transverse rod. The operation frame comprises a U-shaped rod and a supporting rod. The positioning clamp is composed of two C-shaped holding blocks in mirror symmetry and the like, and the C-shaped holding blocks can be meshed with the rod pieces to achieve fixation by rotating the upper rotary knob and the lower rotary knob. A supporting plate of the automatic traction monitor is connected with the outer side of a C-shaped holding block on the U-shaped rod, a traction claw of a traction rod in the automatic traction monitor is used for traction, and a micro telescopic rod on the outer side drives the traction rod through a traction arm, so that automatic traction is realized. Meanwhile, the cylindrical spring is matched with the pressure sensor, and the pressure is detected when the compression spring is pulled, so that the pulling force is obtained, and the operation safety and accuracy are guaranteed.

The utility model relates to the technical field of flushing devices, and discloses a drainage flushing device for liver and gall treatment, which comprises a supporting plate, a drainage barrel is fixedly connected to the middle of the upper surface of the supporting plate, a driven rod is rotatably connected to the middle of the upper surface of the drainage barrel, and a circulation cavity is formed in the lower end of the interior of the driven rod. A plurality of liquid spraying heads are connected to the edge of the lower surface of the driven rod in a penetrating mode, a plurality of brush rods are fixedly connected to the lower end of a rod body of the driven rod, a plurality of brushes are fixedly connected to the outer walls of the opposite sides of the brush rods, and the brushes are attached to the inner wall of the drainage barrel. When the drainage flushing device for liver and gall treatment is used, cleaning liquid in the liquid storage box is pumped by starting the draw-off pump, the cleaning liquid is conveyed into the circulation pipe through the liquid outlet end and conveyed into the circulation cavity in the driven rod through the circulation pipe, the cleaning liquid is sprayed out through the cooperation with the multiple sets of rotary liquid spraying heads, the drainage barrel can be automatically cleaned, and the cleaning efficiency is improved. The cleaning efficiency is improved.

The invention discloses a hepatobiliary surgery intraoperative metastatic focus real-time identification system and method. The system comprises a data acquisition module used for acquiring a white light frame, a narrowband frame and a user interaction event. And the data processing module is used for performing deformation compensation and spectrum enhancement on the white light frame and the narrow-band frame to obtain a main image. And the automatic ROI generation module is used for inputting the main image into the improved YOLOv7 model and generating an automatic ROI based on output. The ROI synthesis module is used for obtaining a merged ROI through automatic ROI fusion based on the user interaction event, the main image and the user interaction event. And the dynamic focal length scanning module is used for dynamic focal length scanning and ROI merging and multi-focus fusion to obtain a sub-image. And the secondary candidate module is used for fusing the sub-image and the main image, and inputting the fused sub-image and the main image into the improved YOLOv7 model to obtain a secondary candidate set. The data judgment module is used for judging whether the secondary candidate set meets the consistency condition or not, and if yes, marking is carried out. And the result output module is used for displaying the marking result on the main image. According to the invention, 1mm-level focus identification is realized, and the real-time processing capability is maintained.

The invention discloses hepatic duct calculus taking-out forceps which comprise a connecting hose and a control assembly, the control assembly comprises a support connected with one end of the connecting hose, a connecting shaft is arranged on the support, a first rotating disc and a second rotating disc are rotationally connected to the connecting shaft, and traction blocks are connected to the outer sides of the first rotating disc and the second rotating disc; control cables are connected to one sides of the two traction blocks, the two control cables are arranged in the connecting hose in a penetrating mode, and a coating assembly is arranged at the free end of the connecting hose; the control assembly can control the calculus removing clamp arranged at the front end of the connecting hose, when the device needs to be used for clamping calculus in the hepatic duct, the device can be stably held firstly, then the end, provided with the coating assembly, of the connecting hose is placed into a channel established in the operation, and the calculus removing clamp can be used for removing the calculus in the hepatic duct. An operator can enable the first rotating disc and the second rotating disc which are connected with the handle and the clamping plate to synchronously rotate by separating the finger ring from the rubber ring, so that the two stone taking clamps are close to each other, and target stones can be clamped through the stone taking clamps.

The invention relates to the technical field of hepatobiliary auxiliary instruments, in particular to precisely-controlled manipulator-assisted hepatobiliary surgery calculus removing equipment which comprises a puncture tube used for in-vivo puncture, and an expansion mechanism used for forming a supporting space in a body is arranged at one end of the puncture tube; the expansion mechanism comprises a machining groove formed in the puncture tube, and a plurality of expansion strips are arranged in the machining groove in a clearance fit mode. A driving shaft is rotationally matched with the center of the puncture tube; one side of the machining groove communicates with a collecting opening, the driving shaft is rotationally matched with a cutting mechanism used for cutting tissue in the body, and the cutting mechanism is in clearance fit with the collecting opening; a camera used for collecting image data in real time is further fixedly connected into the puncture tube, the camera is located at the top of the machining groove, and the camera corresponds to the collecting opening in position. The camera is electrically connected with a control panel, and the control panel is used for displaying image data in real time; the calculus removing position can be conveniently adjusted and controlled, calculus can be repeatedly removed according to the calculus removing requirement, and the calculus removing accuracy and the calculus removing efficiency are improved.

The invention relates to the technical field of hepatobiliary surgery puncture devices, and provides a hepatobiliary surgery puncture device capable of achieving rapid positioning, the hepatobiliary surgery puncture device comprises a puncture auxiliary base, the outer wall of the puncture auxiliary base is fixedly connected with a positioning mechanism, and the outer wall of the puncture auxiliary base is fixedly provided with a positioning buckle; the positioning mechanism comprises a first sleeve fixedly installed on the outer wall of the puncture auxiliary base, the outer wall of the first sleeve is movably connected with an adjusting knob, the outer wall of the adjusting knob is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a second winding roller, and the outer wall of the second winding roller is fixedly connected with a positioning bandage. And the outer wall of the rotating shaft is fixedly connected with a ratchet wheel. By rotating an adjusting knob, a second winding roller is driven to rotate, and a positioning bandage is wound, so that the positioning bandage is tightened, the effect of conveniently and rapidly installing and positioning the puncture auxiliary base according to the body type difference of patients is achieved, and thus a puncture needle can more stably perform liver and gall puncture.

The invention relates to the technical field of traditional Chinese medicine, in particular to a traditional Chinese medicine composition for treating hepatobiliary diseases, the traditional Chinese medicine composition has the effects of soothing liver-gallbladder, clearing away heat and toxic materials, promoting qi circulation, dispersing blood stasis, regulating qi, activating blood, benefiting gallbladder and removing urinary calculus, and is clinically used for treating cholelithiasis, cholecystitis, jaundice, hepatitis and other diseases. The preparation has the advantages of good curative effect, small side effect, low price, convenience in taking and the like, and exerts the unique advantage of the traditional Chinese medicine in treating hepatobiliary diseases.

The present application relates to the technical field of liver and gall puncture, in particular to a liver and gall surgical puncture device, and the technical scheme adopted by the present application is the liver and gall surgical puncture device, which comprises a cannula puncture needle and a handle, a control mechanism is arranged on the handle, the control mechanism controls the cannula puncture needle to perform puncture and sampling operations, the puncture needle comprises an outer needle arranged on the outside and an inner needle arranged in the outer needle in a telescopic and sliding manner, the rear end of the outer needle is connected with an outer sleeve, the rear end of the inner needle is connected with a sampling mechanism, the sampling mechanism is located in the outer sleeve, an electric telescopic rod is arranged in the outer sleeve, the telescopic end of the electric telescopic rod is connected with the sampling mechanism, the front end of the outer needle is provided with a puncture outlet, and the inner needle can slide out of the puncture outlet. The present application solves the clinical problems of blood vessel mispuncture and postoperative bleeding in the puncture process, and the problems of insufficient sample acquisition, low efficiency, tedious sampling operation and large trauma to patients in the sampling process.

The invention provides a hepatobiliary surgery laparoscope pneumoperitoneum pressure and anesthesia ventilation combined regulation and control device, and relates to the technical field of laparoscopic surgery equipment. Comprising a connector, the top of the connector is provided with a connecting port, a pressure cavity is arranged in the connector, and one side of the pressure cavity is connected with a measuring cavity; a first sliding plate is arranged in the measuring cavity, a reset spring is arranged on one side of the first sliding plate, and the inner diameter of the measuring cavity is smaller than that of the pressure cavity; a sealing ring is arranged on the inner side of the connecting opening, and the cross section of the sealing ring is arranged in a U shape. Compared with the prior art, the pneumoperitoneum pressure control device is simple in structure, convenient to use and capable of effectively and stably controlling and adjusting pneumoperitoneum pressure.

The application discloses a liver and bile duct stone positioning analysis method and system based on image processing, relates to the technical field of image data analysis, and comprises the following steps: removing artifacts and noise from multi-modal medical images, reducing the influence of interference factors, and providing a reliable basis for subsequent image feature extraction and analysis. The foreground region represents the liver and bile duct region, and the additional foreground region represents the organ region near the liver and bile duct region, which can also reflect the condition of the stone. The image features of all modes are integrated to determine the direct content and indirect content of the liver and bile duct stone, and the position information and related information of the liver and bile duct stone are inferred by combining the direct content and indirect content of the liver and bile duct stone, so that the direct and indirect manifestations of the stone on the image are comprehensively reflected and analyzed to reflect and analyze the condition and position of the liver and bile duct stone, the accuracy and adaptability of liver and bile duct stone positioning analysis are improved, the reliability of the doctor's reference is ensured, and the treatment and reference of the doctor are indirectly helped.

This invention discloses a postoperative bile fistula risk prediction system for hepatobiliary surgery patients, belonging to the field of bile fistula risk data processing technology. The system includes an evidence-driven variable acquisition module, a standardization judgment module, a time-series feature generation module, a feature screening module, and a dynamic prediction module. It performs time-series reconstruction and evolutionary feature extraction for dynamic monitoring indicators of postoperative bile extravasation. Through a structural-biochemical consistency constraint screening method, it fuses and filters features of structural risk channels, biochemical risk channels, and time-series evolution channels. Based on core predictive feature data, it constructs a bile fistula risk prediction model and dynamically predicts the probability of bile fistula occurrence at different postoperative time points through a time-series rolling update mechanism, outputting risk levels and early warning results. This invention enables early identification, dynamic assessment, and individualized intervention support for bile fistula risk, improving the accuracy of prediction results and its clinical application value.

The utility model discloses a drainage bag for hepatobiliary surgery colorimetry, which effectively achieves the purpose of intuitively judging the condition of drainage liquid of a patient, comprises a bag body for storing the drainage liquid, and is characterized in that a hanging ring is arranged on the upper side of the bag body, a fixing mechanism is fixedly connected to each of the front side and the rear side of the bag body, and the bag body is fixedly connected with the hanging ring. The front side of the bag body is provided with a rotatable colorimetric mechanism, the front side wall in the bag body is fixedly connected with a plurality of storage bags, and the front side of each storage bag is connected with a comparison sleeve. The drainage bag is novel in structure, ingenious in conception and simple and convenient to operate, drainage liquid in different time periods can be effectively and conveniently distinguished, and the drainage effect is improved. The drainage smoothness is increased, the function of storing the colors of the drainage liquid in different time periods is added, the drainage liquid can be better stored, the colors of the drainage liquid can be conveniently compared, and better fixing and colorimetric effects are achieved.

The invention discloses a hepatobiliary tumor resection anesthesia depth management method based on multi-modal monitoring, and relates to the technical field of anesthesia control, and the method comprises the following steps: constructing a multi-source energy sensing zone in the whole operation process of hepatobiliary tumor resection, the electromagnetic radiation track, the sudden change moment of the electroencephalogram signal and the micro-amplitude change of the blood flow signal corresponding to the electrotome starting and stopping process are synchronously collected, and an energy disturbance mapping draft is generated based on the collection result. According to the method, through multi-source energy perception and artifact recognition, precise separation of anesthesia signals and awakening signal reconstruction under electrotome interference are achieved, and the accuracy and continuity of anesthesia depth evaluation are improved; a dynamic traction closed loop of electroencephalogram, blood flow and respiration is established through a self-adaptive slow release mechanism of a delayed release window, so that the anesthesia depth is recovered in a self-steady state, and safety and awakening quality in an operation are guaranteed.

1. The name of the design product: Hepatobiliary surgery electrode. 2. The use of the design product: Cutting and coagulating human tissue in hepatobiliary surgery. 3. The design points of the design product: In shape. 4. The picture or photo that best indicates the design points: Perspective view.

The invention discloses an operation drag hook for hepatobiliary and pancreatic surgery, and belongs to the field of medical instruments, the operation drag hook comprises a supporting ring and supporting seats, the supporting seats are located at the front and rear positions of the supporting ring, constant-force pulling assemblies are arranged on the two sides of the supporting ring, and each constant-force pulling assembly comprises supporting blocks fixedly connected to the two sides of the supporting ring; the inner wall of the upper end of the supporting block is slidably connected with a T-shaped limiting block, the lower end of the T-shaped limiting block is fixedly connected with a rack, force can be kept constant when the drag hooks on the two sides open an incision through the characteristics of a coil spring, secondary damage caused by the fact that the incision is pulled due to the fact that the force is too large is avoided, and meanwhile the situation that an operation is affected due to the fact that the force is too small is avoided; when the force of the coil spring is constant and the incision position is pulled by the drag hook, medical staff does not need to manually pull the rack, so that a patient is protected from secondary injury, the wound can be automatically pulled open, a worker does not need to adjust the drag hook, and the working convenience and safety are improved.

The invention relates to the technical field of medical instruments, in particular to a calculus taking-out device for hepatobiliary surgery, which comprises a sleeve, a net bag structure is mounted at one end of the sleeve, a driving assembly is mounted at the other end of the sleeve, the net bag structure comprises a bag body and a distraction assembly, and the distraction assembly comprises a fixing component and a transmission component; a partition plate is fixedly connected to the middle of the inner wall of the sleeve, a through groove is formed in the partition plate, a mounting frame is arranged on one side of the partition plate, a lead screw is rotationally matched with the mounting frame, the lead screw is in threaded connection with a nut seat, the nut seat is fixedly connected with a push block, a push rod is fixedly connected to one side of the push block, and the push rod penetrates through the through groove to be fixedly connected with a side plate. The transmission part is mounted on the mounting plate; one end of the screw rod is rotationally matched with the mounting frame, and the other end is fixedly connected with the driving assembly. The calculus capturing efficiency is improved, bile duct wall injuries and postoperative infection risks are reduced, and the requirements of minimally invasive surgery for instrument accuracy, stability and safety are met.

The utility model belongs to the technical field of medical instruments, and particularly relates to a catheter fixing device for hepatobiliary surgery nursing, which comprises a support plate, a bandage and a catheter through hole, two rotating carrying discs are rotatably connected to the inner wall of the support plate, a plurality of sliding blocks are slidably connected to the side walls of the two rotating carrying discs, and the catheter through hole is communicated with the bandage. One end of each sliding block is fixedly connected with a connecting rod, one end of each connecting rod is fixedly connected with an arc-shaped clamping plate used for limiting a guide pipe, the two rotary carrying discs rotate synchronously, and two L-shaped push plates are slidably connected to one side of the supporting plate. The rotating carrying disc is controlled to drive the arc-shaped clamping plate to rotate to complete switching, catheters of different models and sizes can be conveniently switched and used, operation is easy and convenient, hospitals do not need to purchase various fixing devices of different models and sizes, the cost expenditure is reduced, and due to the non-glue type bonding fixing mode, the fixing effect is good. The situation that the skin of the patient is injured by the glue mixture, and the health of the patient and the comfort degree during treatment are affected is prevented.

The utility model belongs to the field of medical treatment, and particularly relates to a special drainage nursing device for the hepatobiliary surgery department, which comprises a drainage bag, a drainage tube is fixedly connected to the top end of the drainage bag, a limiting assembly is arranged on the surface of the drainage tube, and the limiting assembly comprises a clamping sleeve sleeved on the surface of the drainage tube. An adjusting assembly is arranged on the surface of the limiting assembly. According to the utility model, the semi-circular ring block is sleeved on the bed edge of a sickbed, at the moment, the two arc-shaped rods abut against the upper side and the lower side of the bed board under the resilience force of the pressure spring, and the clamping sleeve is fixed on the bed edge of the sickbed, so that a drainage bag is stably hung below the bed edge, and a patient is prevented from feeling uncomfortable due to contact with a pin and the like when turning over; when the patient needs to move, the second connecting pipe is rotated to drive the semicircular ring block to be in the horizontal state, the wrist of the arm is sleeved with the semicircular ring block at the moment, the drainage bag does not need to be hung on an upper garment through a pin at the moment, and then the body is prevented from being punctured by the pin accidentally.