69 results about "Hepatobiliary surgery" patented technology

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 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 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.

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 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 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.

The utility model provides an operation drag hook for the hepatobiliary surgery department, and belongs to the technical field of medical instruments. The operation drag hook for the hepatobiliary surgery department comprises a base and a hook support connecting mechanism, a main hook rod is installed on the right side of the front side of the base, an auxiliary hook rod is installed on the left side of the front side of the base, hook pieces are installed on the front sides of the bottoms of the main hook rod and the auxiliary hook rod, a support groove is formed in the front side of the base, and a support rod is movably connected into the support groove; the left side of the front side of the supporting rod is fixedly connected with the rear side of the auxiliary hook rod, by arranging the hook support connecting mechanism, when the main hook rod and the auxiliary hook rod are used, a user can conveniently carry out supporting and connecting operation on the main hook rod and the auxiliary hook rod, and the main hook rod and the auxiliary hook rod are matched with the hook pieces to carry out hook support stable operation on surgical tissue; and the situation that stable supporting is difficult when the main hook rod and the auxiliary hook rod are used in cooperation with the hook piece is avoided, and therefore the convenience and flexibility of stable supporting of the main hook rod and the auxiliary hook rod are improved.

The utility model relates to a suction and aspiration device for hepatobiliary surgery, and belongs to the technical field of medical machinery. The device mainly comprises a base, a liquid extraction assembly, a liquid guide assembly and a liquid storage assembly. The base comprises universal wheels, a four-corner support and a bottling device, the universal wheels are installed at the bottom of the four-corner support respectively, the bottling device is installed on the upper portion of the four-corner support, the liquid pumping assembly comprises a liquid pumping bottle, a motor and a drainage pipe, the drainage pipe is communicated with the liquid pumping bottle, and a drainage suction head is arranged at the other end of the drainage pipe. A flow adjusting valve and a first one-way valve are installed on the upper portion of the liquid pumping bottle, the motor is installed above the liquid pumping bottle, the liquid guiding assembly is connected to the lower portion of the liquid pumping bottle and the lower portion of the liquid storage bottle, a second one-way valve is installed in the middle of the liquid guiding assembly, the liquid storage assembly comprises the liquid storage bottle, an alarm and a liquid outlet hole, and the liquid storage bottle is installed on the bottling frame. A liquid level sensor and an alarm are arranged at the upper part; drainage can be conducted in the hepatobiliary surgical operation process or after the operation, and the drainage mode can effectively solve the problems that a drainage bag is not replaced in time, body fluid is blocked in the drainage process and the like in traditional manual drainage.

The utility model discloses a drainage device, and relates to the technical field of medical instruments for hepatobiliary surgery, in particular to a drainage device which comprises a hose, an unblocking component and a spring, the aperture of the spring is larger than the outer diameter of the hose, and the spring is arranged on the outer side wall of the hose in a sleeved mode. The spring is arranged on the outer side wall of the hose in a sleeving mode, the hose is externally supported through the spring, due to the fact that the spring has certain elasticity and rigidity, the spring can straighten the hose in time and prevent the hose from being excessively bent, the hose wall of the hose is prevented from being attached, a flow channel in the hose is prevented from being blocked or narrowed, and therefore the purpose of normal drainage is achieved. When a flow channel is blocked by viscous materials in the hose, the sliding blockage clearing component is pressed to slide in the length direction of the hose, the blockage clearing component extrudes the hose in the sliding process, and therefore the blocking materials in the hose are extruded and driven out, and the purpose of clearing away the viscous blocking materials in the hose is achieved.

The invention relates to the technical field of medical internet of things, in particular to a hepatobiliary surgery patient rehabilitation process tracking method based on the internet of things, which comprises the following steps: acquiring electrocardiosignals of a patient based on the internet of things to judge the trend consistency, extracting multiple physical sign records to construct a boundary linkage strength grade, analyzing the temperature gradient of a thermal inductance node to evaluate the postoperative infection risk. According to the method, the abnormal heat accumulation condition of an operation area is recognized by quantifying the direction consistency proportion of the electrocardiosignals, combining the boundary distribution characteristics of various parameters and utilizing the body surface temperature gradient inversion trend; a trajectory sequence is constructed by adopting a rehabilitation task completion proportion, trend analysis is performed in combination with time delay, and a compliance fluctuation risk is judged by using a task response interval change trend, so that multi-dimensional dynamic monitoring of a rehabilitation process is realized, the recognition sensitivity of an abnormal state is improved, and the tracking reliability of the rehabilitation process is enhanced.

The utility model relates to the field of hepatobiliary surgery, and discloses a vomit collecting device which comprises a liquid storage shell, a storage groove is formed in the front side of the liquid storage shell, a collecting and storing box is arranged on the bottom face of the liquid storage shell, and a collecting assembly is arranged in the storage groove. The collecting assembly comprises telescopic rods, fixing ring blocks, a vomit collecting cover, a discharging pipeline and a spring type supporting rod, the two telescopic rods are hinged to the inner side wall of the storage groove, the fixing ring blocks are fixedly installed at the telescopic ends of the two telescopic rods, and the vomit collecting cover is fixedly installed on the inner wall faces of the fixing ring blocks. The vomitus collecting cover of the device not only facilitates collection of vomitus of a patient and improves adaptability and flexibility, but also can prevent peculiar smell from diffusing when the vomitus collecting cover is stored, and is convenient to clean, compact and attractive in overall structure and high in practicability.

The invention discloses vomitus collecting equipment for hepatobiliary surgery nursing, and relates to the technical field of medical instruments, the vomitus collecting equipment comprises a device shell and a collecting module, and the collecting module is used for collecting vomitus; the air purification module is used for circularly purifying air in the device shell; the cleaning and disinfecting module is used for cleaning and disinfecting the collecting module; the control module comprises a control panel and a processor, and the processor is electrically connected with the collection module, the air purification module and the cleaning and disinfection module; and the power supply module is installed in the device shell and used for supplying power to the control module, the collection module, the air purification module and the cleaning and disinfection module. The vomitus collecting device solves the problem that a collecting opening of an existing vomitus collecting device is generally fixed and cannot adapt to various postoperation body positions. The invention further provides a using method of the vomit collecting equipment for hepatobiliary surgery nursing.

The present application relates to the biomedical detection technical field, disclose the liver reserve function evaluation product and the application of doxofylline in the evaluation product, the method is continuously intravenous infusion doxofylline to the subject, collects at least three time point blood samples during infusion, adopts liquid chromatography-mass spectrometry to detect the concentration of its metabolites theophylline acetaldehyde, theophylline acetic acid, hydroxyethyl theophylline and theophylline acetic acid-2' hydroxyethyl ester, based on the change data of total molar concentration of metabolite with time, the linear slope is calculated in combination with enzyme kinetics principle, and then the liver metabolic reserve function is detected.The present application also provides a complete detection system, the related use and pharmaceutical composition of doxofylline.The scheme is high in liver specificity, fast in detection, convenient in operation, excellent in safety, and superior in sensitivity to classical ICG clearance test, can solve the limitation of existing evaluation method, is suitable for preoperative risk assessment of hepatobiliary surgery, chronic liver disease staging and other scenes, and has important clinical application value.

The invention provides a liver and gall image segmentation method based on a 2.5 D model and drainage basin analysis, and the method comprises the steps: constructing a voxel-level liver segment label graph through Couinaud liver segment structure analysis based on a portal vein center line; secondly, a 2.5 D model guided by structure perception is adopted for liver and gall structure segmentation, three-dimensional context information and a structure attention mechanism are fused in the model, and the discrimination ability at a complex junction is enhanced; then, in the intraoperative navigation stage, a stable registration relation is established by utilizing the structure number diagram and a visual image obtained in real time, dynamic posture adjustment is achieved, and the navigation stability is improved; and finally, the postoperative focus quantitative analysis module performs attribution analysis, volume quantification and credibility calculation on the focus area in combination with the structure numbering diagram and the model thermodynamic diagram. The whole process integrates dissection consistency, cross-stage adaptability and interpretability, and the requirements of the hepatobiliary surgery department for precise operation planning, real-time navigation and postoperative follow-up visit are met.

The invention discloses postoperative nursing equipment for the hepatobiliary surgery department, and belongs to the field of postoperative nursing. Comprising a bed board, a penetrating winding groove is formed in the center of the upper surface of the bed board, and two moving grooves are integrally formed in the right side of the interior of the winding groove; a winding mechanism is arranged on the inner side of the winding groove. An unwinding mechanism is arranged above the left side of the winding mechanism; a shielding mechanism is arranged below the bed board; the winding mechanism comprises a circular ring, the inner side of the circular ring is rotationally connected with a gear ring through a rotating shaft, and the top of the circular ring is fixedly connected with a motor; the winding mechanism drives the unwinding mechanism to surround the wound of the patient to complete the binding operation, the patient does not need to turn over actively, the pain point that the wound is damaged easily due to turning over in traditional postoperative care is solved, the device is particularly suitable for old patients with immune system decline and high incidence of liver and gall diseases, the rehabilitation risk is reduced, and postoperative recovery of the patient is assisted.

1. The name of the design product: mobile infusion stand (liver and gall surgery). 2. The use of the design product: mobile infusion stand for liver and gall surgery patient care infusion. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The application discloses a waste liquid collecting device capable of isolating peculiar smell for liver and gall surgery nursing, and particularly relates to the technical field of waste liquid collecting devices, which comprises an outer box, a cover plate is fixedly connected to the upper left side wall and the upper right side wall of the inner surface of the outer box, an oil outlet assembly is fixedly installed on the left side of the upper end of the cover plate, a water inlet assembly is fixedly installed on the right side of the upper end of the outer box, and a liquid storage assembly is slidingly installed on the bottom wall of the outer box. The waste liquid collecting device capable of isolating peculiar smell for liver and gall surgery nursing can add silicon oil on the surface of waste liquid when collecting the waste liquid, and the peculiar smell of waste gas is isolated by the silicon oil. The oil outlet assembly can be matched with the liquid storage assembly, so that the amount of silicon oil released each time is a fixed value. Meanwhile, the liquid storage assembly is in an open state during the collection of waste liquid, and is switched to a closed state when the liquid storage assembly is taken out subsequently, so that the diffusion of peculiar smell is reduced.

The utility model discloses a postoperative anti-pressure nursing device for the hepatobiliary surgery department, and relates to the field of postoperative nursing equipment. The postoperative anti-pressure nursing device for the hepatobiliary surgery department comprises a fixing plate, the fixing plate is an annular plate, a plurality of fixing holes are evenly formed in the periphery of the fixing plate, rubber heads are connected to the upper ends of the fixing holes, and suction cups are connected to the bottoms of the fixing holes; a plurality of air holes are formed in the top of the fixing cylinder, and the bottom of the fixing cylinder is fixedly connected with the inner side of the fixing plate. When in use, through the arrangement of the medical adhesion layer, the suction cup, the fixing belt and the buckle, multiple protection can be ensured, so that the medical adhesive bandage can be firmly attached to the periphery of a wound when in use, the medical adhesive bandage cannot fall off due to the movement of a patient, and the medical adhesive bandage is good in skin-friendly performance and high in comfort level when in use by the patient.

The invention discloses a target positioning method and system for image recognition based on hepatobiliary surgery, and the method comprises the steps: carrying out the multi-modal image fusion and preprocessing, integrating CT, MRI and ultrasonic image information, achieving the image fusion through a wavelet transform algorithm, and carrying out the adaptive bilateral filtering and gray normalization processing, and providing high-quality data for the subsequent analysis. According to the method, multi-scale features are accurately extracted from a fused image by using an improved Mask R-CNN target detection model, and high-precision classification and mask prediction of normal liver tissues, lesion tissues and the like are realized by means of a unique RPN screening mechanism and parallel prediction branches. And based on a probability graph model, a target detection result is converted into a probability graph, target positioning is optimized through a Markov random field, and an accurate boundary and position are determined. A surgical environment three-dimensional model is constructed based on an intelligent algorithm, factors such as important structures, tissue characteristics and path smoothness are comprehensively considered and avoided, and a path is updated in real time to adapt to dynamic changes of the liver.

The application discloses a kind of hepatobiliary surgery clinical stone extraction device, more particularly in stone extraction device technical field, including the control box and support for hepatobiliary surgery clinical treatment, the control box one side is fixed with cannula, five cavities are set in the inside of cannula, the first cavity is internally provided with air hose, and the outer end of air hose is fixedly provided with three balloons.The application disperses the crushed stone fragments by air hose, and then makes the three balloons on the air hose expand, after the expansion of three balloons, the fragments dispersed in the pipeline can be separated, then the air hose and balloon are pulled to move, and the stone fragments are moved to be taken out, which can be taken out at one time, and can avoid the accumulation of stone fragments during the process of taking out, so as to increase the resistance of taking out.

The utility model discloses a hepatobiliary surgery calculus component auxiliary detection device which comprises a detection assembly, a detection component and a detection component, the treatment assembly comprises a fixed block, a rotating block, a connecting plate, a mounting plate, a connecting rod and a cleaning block; the fixing block is fixed to the center of one side above the supporting frame, the rotating block is rotationally connected to the outer side end of the fixing block, the connecting plate is located at the outer side end of the rotating block, the mounting plate is located on one side of the bottom end of the connecting plate, the connecting rod penetrates through and is slidably connected to one end of the mounting plate, and the cleaning block is in threaded connection to the bottom end of the connecting rod. By arranging the processing assembly and rotating the connecting plate, the connecting plate drives the mounting plate to rotate to the lower part, the mounting plate is rotated to drive the cleaning block to rotate to the upper part of the groove, then the connecting rod is pushed to move the cleaning block into the groove, and then the connecting rod is rotated to promote the cleaning block to clean powder on the surface of the inner side of the groove. And residual powder on the inner side wall of the groove is prevented from being doped in a subsequent mixture.

The utility model relates to the technical field of calculus removing devices, in particular to a calculus removing device for the hepatobiliary surgery department, which comprises a cylinder, a rotating rod is rotatably connected to the inner bottom wall of the cylinder through a bearing, the top end of the rotating rod extends out of the cylinder, and two rotating plates are symmetrically and fixedly connected to the bottom of the outer side wall of the rotating rod. And two sleeve rods are symmetrically and fixedly connected to the bottom of the inner side wall of the cylinder. The rotating rod is rotated clockwise to drive the two rotating plates to rotate clockwise, the rotating plates push the transmission rod, the transmission rod pushes the two sleeves to be far away from each other, the spring is compressed, the sleeves drive the two calculus removing caps to be separated, the cylinder is moved to enable the two calculus removing caps to move to the two sides of calculus, the rotating rod is loosened, the spring extends to push the two sleeves to be close to each other, and the calculus removing caps are separated. According to the calculus removing device, the two calculus removing caps are driven to be closed to clamp the calculus, the calculus can be fixed in the calculus removing caps, the calculus is prevented from falling off in the removing process, and smooth calculus removing work is guaranteed.

The invention belongs to the technical field of medical instruments, and particularly relates to a hepatobiliary surgery clinical calculus removing device which comprises a shell tube, a groove is formed in the middle of the outer surface of the shell tube, a telescopic tube is inserted into the shell tube, a probing tube is fixedly connected to the bottom of the telescopic tube, and a calculus removing mechanism is fixedly connected to the outer surface of the probing tube; by means of the arranged calculus removing mechanism, in the clinical calculus removing process of the hepatobiliary surgery department, an air bag and a net basket are used in cooperation, when the air bag is inflated, the air bag can form a semicircular space or a space with other proper shapes, calculus can be guided to enter the net basket which is placed in advance, and the calculus can be gently contacted and pushed in the operation process; by controlling the expansion degree of the air bag, a doctor can adjust the size of the air bag and the applied pressure according to the actual situation, it is ensured that the stone can be firmly grabbed, the stone cannot be broken into smaller fragments due to excessive compression, and therefore the risk of small stone residues is avoided.

The invention relates to the technical field of preparation of medical supplies, discloses rapid hemostatic antibacterial sponge for hepatobiliary surgery and a preparation method of the rapid hemostatic antibacterial sponge, and aims to solve the problems that existing medical hemostatic materials are contradictory in hemostatic and antibacterial performance and insufficient in biocompatibility and mechanical strength. The sponge is characterized in that the sponge is of a three-layer composite structure and comprises an oxidized regenerated cellulose hemostatic inner core layer; the antibacterial middle layer is formed by loading silver nanoparticles on chitosan-hyaluronic acid polyelectrolyte hydrogel; and a crosslinked gelatin structure supporting the outer layer. By means of the scheme, rapid and efficient hemostasis and continuous broad-spectrum antibacterial can be achieved, and excellent biocompatibility, controllable biodegradation and sufficient mechanical strength are achieved.

The invention belongs to the technical field of medical equipment, and particularly relates to a bedside double-cannula efficient drainage flushing device for the hepatobiliary surgery department and an operation method of the bedside double-cannula efficient drainage flushing device. In order to solve the problems that in an existing drainage device, a control part makes contact with high-viscosity drainage liquid for a long time, mechanical adhesion failure is likely to be caused, and a negative pressure state feedback mechanism physically isolated from a pollution source lacks, the device provides a solution. The device comprises a bearing plate and a magnetic attraction clamping assembly. The core is that a control mechanism based on pneumatic transmission is arranged in the connector, a sealing ring is pushed through flushing liquid pressure, the liquid pressure is converted into pneumatic power to drive a piston rod and a sealing assembly, and automatic switching of connection and disconnection of the inner pipe and the outer pipe is achieved; meanwhile, the negative pressure state in the cavity is transmitted to a transparent second fixing cylinder through an air medium by means of a communicating hose, the physical state in a drainage channel is visually mapped through displacement of a piston plate in a clean environment, and anti-fouling protection and non-invasive monitoring of the control mechanism are achieved while drainage safety is guaranteed.

The invention belongs to the technical field of medical instruments, and discloses a laparoscope heating and cleaning device for the hepatobiliary surgery department, the laparoscope heating and cleaning device comprises a cleaning cylinder, a drying part and a control end, and a heating assembly and a cleaning assembly are arranged in the cleaning cylinder; the drying part comprises a plurality of mounting frames arranged on the fixing ring in a sliding mode and wiping sets on the mounting frames, a moving assembly is arranged in the fixing ring and used for driving the mounting frames to move, a top plate and a fixing column are arranged on the mounting frames correspondingly, and each wiping set comprises a rotating cylinder arranged on the fixing column in a sleeving mode and a sponge cylinder arranged on the rotating cylinder in a sleeving mode; gauze is arranged on the surface of the sponge cylinder, and the rotating cylinder is provided with a limiting assembly. The cleaning assembly drives the cleaning liquid in the cleaning cylinder to rotate, the laparoscope is subjected to immersion cleaning and impact, and pollutants are better removed; the control end controls the drying part of the moving assembly to be closed, and the laparoscope is supported; when the laparoscope is lifted, the gauze on the sponge cylinder wipes water stains on the surface of the laparoscope, manual wiping is replaced, the operation time is shortened, and the operation burden is relieved.

The invention belongs to the technical field of medical instruments, and discloses a balloon dilatation catheter for hepatobiliary surgery, which comprises a catheter body, a backflow catheter and a main balloon, the catheter body is connected with a catheter connector, an air inlet branch pipe, an air outlet branch pipe and a push ball, the main air bag is connected with a protrusion and a main rotating assembly, the main rotating assembly comprises a first main flow guide piece, a second main flow guide piece and a main connecting sleeve, and a main air inlet and an auxiliary air inlet are formed in the catheter body. The push ball is connected with an auxiliary air bag, the auxiliary air bag is connected with an auxiliary rotating assembly, and the auxiliary rotating assembly comprises a first auxiliary flow deflector, a second auxiliary flow deflector and an auxiliary connecting sleeve; the main air bag, the auxiliary air bag and the push ball are rotationally connected with the catheter body, and in the process of inflating and expanding the catheter body, the flow deflectors conduct flow guiding on air entering the air bags, so that the air bags and the push ball rotate under the action of the air, hard objects hindering expansion of the air bags are broken, and the stone pushing efficiency and effect are improved.

1. Name of the product in this design: Stone Picker. 2. Intended use of this design: for use in hepatobiliary surgery. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention relates to the technical field of medical auxiliary devices, in particular to a multifunctional auxiliary device for minimally invasive surgery of hepatobiliary surgery, which comprises a shielding frame composed of a cross rod and a vertical rod, and one side of the vertical rod is provided with a fixing assembly and a locking assembly; a clamping rod is hinged to the top of the fixing assembly, a locking hole is formed in one end of the clamping rod, and the locking assembly is used for locking the position of the clamping rod through the locking hole so as to fix the sterile sheet; a supporting inclined plate is arranged on one side of the clamping rod, a plurality of instrument fixing pieces are arranged at the top of the supporting inclined plate, and the instrument fixing pieces are used for fixing instruments used in the minimally invasive surgery of the hepatobiliary surgery; an expanding part is arranged on the transverse rod and used for fixing the sterile sheet and limiting movement of the instrument, and the fixing assembly is used for fixing the sterile sheet and triggering the expanding part. According to the device, under the action of the fixing assembly, the clamping rod and the locking assembly, the sterile sheet covering the transverse rod of the shielding frame is fixed, and meanwhile, temporary placement positions are provided for various instruments needing to be frequently switched in the minimally invasive surgery.