1140 results about "Abdominal cavity" patented technology

The invention belongs to the technical field of medical image three-dimensional reconstruction, and discloses an abdominal cavity reconstruction and focus positioning method based on a binocular endoscope, which comprises the following steps of: calibrating and correcting internal reference of the binocular endoscope; inputting the trained depth estimation network to obtain a disparity map and processing the disparity map into a picture according to frames; the luminosity error is minimized through a coarse-to-fine pyramid optimization method, and a transformation matrix of the endoscope pose between two continuous frames is calculated through nonlinear iterative optimization; light beam adjustment optimization is carried out on the motion trail of the endoscope, a depth map is superposed, outliers are removed, and three-dimensional reconstruction of the abdominal cavity tissue is achieved; recognizing a focus, extracting three-dimensional information according to the disparity map, and visually guiding the operation arm to move to a focus point in combination with a calibrated hand-eye matrix so as to realize positioning. According to the method, rapid and dense three-dimensional reconstruction of the peritoneal environment before the operation and accurate focus positioning based on visual guidance during the operation are realized, the accuracy of motion track estimation of the endoscope is improved, and autonomous development of the surgical robot is expected to be promoted.

The invention discloses an anti-falling abdominal cavity drainage tube, and relates to the technical field of medical equipment. The device comprises a fixing band, a supporting tube is installed in the fixing band, and a guiding tube is arranged in the supporting tube; a fixing assembly is arranged on one side of the supporting pipe and comprises a sealing pipe, the sealing pipe is fixedly connected to the surface of the supporting pipe, the surface of the supporting pipe is sleeved with an adjusting pipe, and a rubber plug is arranged in the adjusting pipe. Through the arrangement of the fixing assembly, before a guiding tube is inserted into a patient, the guiding tube is firstly inserted into the adjusting tube, the supporting tube and the imbedding tube and then inserted into the body of the patient, after the guiding tube is imbedded into a designated position, the adjusting tube can be rotated manually, and the adjusting tube drives a push block to push a rubber plug, so that the guiding tube is inserted into the body of the patient; the rubber plug is attached to the guide tube, telescopic movement of the guide tube is limited through friction force, and the connection stability of the guide tube can be improved.

The invention relates to medical instruments, in particular to a peritoneal dialysis device which comprises a dialysate management unit, a sensor unit, a processor, a storage device, a peritoneal transfer model, an intelligent alarm management unit and a communication unit, and the dialysate management unit is configured to be used for perfusion of dialysate into the abdominal cavity of a patient and drainage of the dialysate from the abdominal cavity of the patient; the sensor unit is configured to be used for monitoring physiological parameters of a patient and dialysate characteristic parameters and receiving symptom information and comfort level scores input by the patient, the storage stores instructions executed by the processor, and the instructions enable the processor to be capable of dynamically adjusting treatment parameters of the dialysate management unit in real time in combination with a pre-trained peritoneal transfer model. The perfusion speed, the drainage speed or the dialysate temperature of the dialysate management unit are dynamically adjusted, so that the comfort level score of the patient is maintained to be above a preset threshold value, treatment parameters can be dynamically adjusted in real time to optimize the treatment effect, peritonitis risks are early warned, and the comfort level of the patient is improved.

The invention discloses a tree shrew hypertension model making method. The method comprises the following steps: (1) solvent preparation: dissolving palmitic acid in absolute ethyl alcohol to prepare 24mg / ml storage liquid for later use; and (2) diluting the stock solution in the step (1) with 10% BSA (Bovine Serum Albumin) into a solution with the concentration of 6mg / ml, and injecting the solution into the abdominal cavity of the tree shrew according to the dosage of 20mg / kg for 21d to finish modeling. The model preparation method is simple, and the model forming rate is high.

The invention discloses a fractal-driven laparoscope Toldt line positioning method and device and a medium. The method comprises the following steps: acquiring a plurality of laparoscope video frames; performing feature modeling on the plurality of laparoscope video frames according to a Toldt line segmentation model to obtain a multi-scale feature map; and performing multi-scale spatio-temporal feature fusion and aggregation processing on the multi-scale feature map, and inputting a processing result into a multi-scale decoder for prediction to obtain the position of the Toldt line in the abdominal cavity. According to the fractal-driven laparoscope Toldt line positioning method and device and the medium, the anatomical features of the Toldt line are captured through accurate feature modeling, the adaptability to the dynamic abdominal cavity environment is enhanced in combination with multi-scale spatial-temporal feature fusion, high-precision prediction is achieved through a multi-scale decoder, and therefore the position of the Toldt line in the abdominal cavity is recognized, and the positioning accuracy of the Toldt line in the abdominal cavity is improved. The problem that it is difficult to accurately recognize the position of the Toldt line in the abdominal cavity can be solved.

The speed-adjustable negative pressure drainage device comprises a drainage tube, a bottle body, a cover body and a negative pressure source connector, the cover body is rotated to drive a top ring cambered surface protrusion to jack up a bead body, a through hole is opened according to the angle gradient, external air enters dilution negative pressure, and linear speed regulation without negative pressure source adjustment is achieved; the bead body periodically opens and closes the through holes to form pulsating type instantaneous suction force, so that the adhesive force between blood clots and the tube wall is destroyed, and blockage is actively prevented; the gradient section of the drainage tube accelerates liquid flow through abrupt drop to generate local negative pressure to pull rear liquid flow; the upper convex hulls enlarge the sectional area of a pipe cavity before sharp drop, decelerate liquid flow and form a vortex region, so that blood clots are separated and deposited due to inertia, and liquid-solid layering is realized; the device has the functions of mechanical blockage prevention, precise pressure control and overload protection, the clinical blockage rate is reduced from 30% to 5% or below, power support is not needed, the device is suitable for postoperative drainage scenes such as the abdominal cavity and the thoracic cavity, and the medical operation load and the complication risk of a patient are remarkably reduced.

The invention provides a cerebrospinal fluid peritoneal shunt peritoneal section endoscope assist device, and relates to the technical field of medical instruments, the endoscope assist device comprises a cerebrospinal fluid peritoneal shunt tube, the endoscope assist device comprises a puncture sheath shell, the periphery of the cerebrospinal fluid peritoneal shunt tube is wrapped with the puncture sheath shell, and a strip-shaped clamping groove is formed in the periphery of the puncture sheath shell; the strip-shaped insertion plate is connected with the strip-shaped clamping groove in a sliding mode, and the strip-shaped insertion plate is connected with the puncture sheath shell through a locking piece; an endoscope channel is arranged on the inner wall of the strip-shaped insertion plate and is used for mounting an endoscope; the puncture sheath shell is inserted into the abdominal cavity, a guiding effect is achieved when the cerebrospinal fluid peritoneal shunt tube enters the abdominal cavity, and due to the design that the puncture sheath shell and the strip-shaped inserting plate can be opened and closed, the puncture sheath shell can be conveniently separated from the cerebrospinal fluid peritoneal shunt tube through the strip-shaped clamping groove.

The invention relates to the technical field of medical instruments, in particular to a tissue tray assembly used in an abdominal surgery, which comprises a tray and a traction device, and is characterized in that the tray comprises a tray body and a plurality of support pieces, and the plurality of support pieces are of a scattered structure distributed on the tray body; the supporting pieces are divided into first supporting pieces and second supporting pieces, and the first supporting pieces and the second supporting pieces are distributed in a staggered mode. The supporting piece comprises a sleeve body and a telescopic rod, the telescopic rod is connected with an air pipe, and the amount of air in the telescopic rod is changed by injecting air into or exhausting air from the air pipe, so that the telescopic rod is extended or shortened; the telescopic rod corresponding to the first supporting piece and the telescopic rod corresponding to the second supporting piece are independent in motion form. According to the tissue tray assembly used in the abdominal cavity operation, the situation that tissue in the abdominal cavity is pressed for a long time can be avoided, the situation that blood vessels in the tissue are pressed for a long time is avoided, and the situation that the supported part on the tissue is insufficient in blood supply or ischemia or hypoxia occurs is avoided.

The invention relates to the technical field of medical operation equipment, in particular to integrated abdominal tumor closed rotary cutting equipment based on pneumatic control and a rotary cutting method thereof.The integrated abdominal tumor closed rotary cutting equipment comprises a shell, and a sleeve is arranged at the right end of the shell; the air bag is arranged at the right end of the sleeve and comprises a fixing ring connected with the sleeve, an air channel fixed to the fixing ring and bag cloth, and an elastic rubber strip is fixed to the outer side of an opening in the right end of the air bag; the rotatable knife tube is arranged in the shell and extends into the sleeve, and a rotating assembly for driving the shell to rotate is arranged in the shell; the air inflation assembly is arranged in the shell and used for inflating the air bag; and the clamping jaw part of the grasping forceps can extend into the sleeve from one end of the shell and penetrate through the air bag to extend into the abdominal cavity of the patient. One person can independently complete the whole process from hermetically wrapping the tumor to taking out the air bag and the residual tumor, and the rotary cutting starting and stopping time and the air bag pressure relief node are automatically controlled, so that more efficient and safer laparoscopic surgery can be completed with less manpower.

A surgical system for reducing visceral fat in the abdominal cavity comprises a novel console and a thermal treatment device. The console houses a computer and electronics for circulating a thermal fluid along a closed loop flowpath through the treatment device. The console is programmed and operable to, amongst other things, control temperature, adjust flow rate, compute cooling duration and power delivered, and detect for leaks along the flowpath. A GUI in the form of a tablet can be arranged with the console to display procedure information and to accept input from the physician.

The invention relates to the technical field of medical drainage tubes, in particular to an abdominal cavity drainage device for oncology surgery, which comprises a negative pressure drainage device, a control device is arranged above the negative pressure drainage device, and a negative pressure drainage assembly is arranged at the front end of the negative pressure drainage device. The abdominal cavity drainage device has the advantages that the hard adjusting branch pipe is designed below the abdominal cavity drainage main pipe, the adjusting fixing ring and the adjusting fixing assembly are designed in a matched mode, the hard adjusting branch pipe is arranged below the abdominal cavity drainage main pipe, and the abdominal cavity drainage main pipe is connected with the negative pressure drainage assembly through the hard adjusting branch pipe. The movable adjusting tube is integrally rotated by the movable pushing gasket, and then the pushing gasket is pressed to pull the tensioning line, so that the flashboard extrudes the adjusting convex block, the hollow ball tube above the hard adjusting branch tube deviates, the hollow ball tube below the hard adjusting branch tube deflects, and the positions of the hard connecting branch tube and the abdominal cavity drainage branch tube are driven to be adjusted through downward deflection of the hard adjusting branch tube; and the drainage position is convenient to adjust.

The invention relates to the field of medical instruments, in particular to a postoperative effusion drainage device which comprises an outer sleeve, an inner sleeve, a supporting structure and a positioning plug. When the device needs to be used for abdominal cavity postoperative channel drainage, the supporting structure is in a closed state in an initial state, at the moment, the positioning plug plays a role in relatively fixing the inner sleeve at a port of the rear end of the outer sleeve, and the rear end of the inner sleeve is connected with a negative pressure drainage bag or an injector to suck or suck hydrops. When the device is conveyed to a preset position, the inner sleeve is forcibly pulled backwards, the inner sleeve axially moves backwards relative to the outer sleeve, the supporting structure is compressed, the middle section hunches outwards, and the interior of the channel is expanded; in the expanding and supporting process, when the supporting structure is in a negative pressure state, effusion in the suction channel is collected into the supporting structure, and under the negative pressure suction effect of the rear end of the inner sleeve, the effusion is continuously drained.

The utility model relates to the technical field of hole pricking sealers, in particular to an adduction type abdominal wall hole pricking sealer and a conveyor of the adduction type abdominal wall hole pricking sealer. The device comprises a sealing disc and a lifting rod, the upper end face and the lower end face of the sealing disc are a peritoneum face facing the peritoneum and an abdominal cavity face facing the abdominal cavity respectively, at least two barb nails inclining and falling towards the inner ring are arranged on the peritoneum face of the sealing disc, and the lower end of the lifting rod is clamped to the center of the sealing disc; the upper end and the lower end of the lifting rod extend out of an inner hole of the sleeve respectively, a ratchet wheel is arranged at the lower end of the sleeve and located on the inner circle of the circumference where the barbed nails are located, and when the ratchet wheel rotates, ratchets make contact with the barbed nails and can open the barbed nails towards the outer circle. The barbed nail disclosed by the utility model can tighten and tightly fix a stamp hole which is closed into a linear opening, and has a compression hemostasis effect, so that the stamp hole is outwards in a tension-free state, the closing operation of the stamp hole is simply and reliably completed, the closing precision of the stamp hole is enhanced, the bleeding amount of the stamp hole is reduced, the healing effect of the stamp hole is improved, and the split of the stamp hole is completely eradicated.

The invention relates to the technical field of medical treatment, in particular to an intra-abdominal pressure adjusting device and method.The device comprises an adjustable support used for supporting a skin contact assembly and allowing the position and angle of an electromagnet to be adjusted; the electromagnetic adsorption assembly is fixed on the adjustable bracket and is used for lifting the abdominal skin of the patient according to an electromagnetic adsorption effect so as to reduce the abdominal wall pressure; the skin contact assembly connected with the electromagnetic adsorption assembly is used for being attached to the skin of a patient and forming a sealed space; the control assembly is electrically connected with the electromagnetic adsorption assembly and used for collecting current pressure data and dynamically adjusting current output of the electromagnetic adsorption assembly according to a preset pressure threshold value and the current pressure data. Therefore, the problem that in the prior art, although the body position therapy can relieve the gravity compression of the abdominal wall, in a critical patient needing to be kept in a semi-reclining or upright position, the reverse effect of chest pressure conduction and diaphragm downward movement possibly aggravates the pressure load of the abdominal cavity is solved.

The invention discloses a diaphragm motion state monitoring device and a breathing health assessment method. The device comprises a wearable equipment body, a pair of flexible pressure sensors, a flexible myoelectricity sensor and a main control unit, the wearable equipment body is rectangular, the pair of flexible pressure sensors are arranged on the upper portion and the lower portion of the wearable equipment body, the flexible myoelectricity sensor is arranged between the pair of flexible pressure sensors, and the main control unit is arranged outside the wearable equipment body; the pair of flexible pressure sensors is used for detecting a thoracic cavity pressure signal and an abdominal cavity pressure signal; the flexible myoelectricity sensor is used for detecting diaphragm myoelectricity signals; and the main control unit is used for performing index calculation based on the processed chest pressure signal, abdominal pressure signal and diaphragm electromyographic signal to obtain a plurality of respiratory health indexes, and sending the indexes to the mobile terminal for comparison so as to realize respiratory health assessment. According to the invention, real-time monitoring and evaluation of the breathing health state of the user can be realized.

The invention relates to the field of steel rolling, and provides a steel rail abdominal cavity adjusting method, system and device and a medium, and the method comprises the steps: deploying a sensor on a production line, obtaining the historical data of steel rail production, and transmitting the historical data to a cloud platform in real time through the Internet of Things; analyzing the historical data through a preset expert experience model in the cloud platform; when the deviation of the specification size of the abdominal cavity exceeds a first preset value, a horizontal roller of the semi-universal rolling mill is adjusted; and in response to the fact that the deviation of the specification size of the abdominal cavity exceeds a second preset value, horizontal rollers of the universal rolling mill and the semi-universal rolling mill are adjusted. According to the method, actual operation experience of steel rail abdominal cavity adjustment and an expert experience extraction mode are combined, a unique expert knowledge data valuation method is recorded and transmitted through the Internet of Things, finally, recommendation of a steel rail abdominal cavity specification control scheme can be achieved in real time, online steel rail abdominal cavity specification abnormal states are adjusted and rectified in real time, and the method is suitable for popularization and application. The specification of the steel rail abdominal cavity is always stabilized within the internal control standard.

The invention belongs to the technical field of medical instruments, and discloses a gynecological postoperative flushing device which comprises an outer flushing tube and an inner suction tube, the outer diameter of the inner suction tube is smaller than the inner diameter of the outer flushing tube, and the inner suction tube penetrates through the outer flushing tube; the liquid inlet end of the outer flushing pipe is communicated with a flushing pump, the liquid inlet end of the flushing pump is communicated with a liquid storage bottle for storing flushing liquid, and a first through hole is formed in the liquid outlet end of the outer flushing pipe; the liquid outlet end of the suction inner tube is communicated with a collecting bottle, the collecting bottle is communicated with the suction pump through a negative pressure tube, and a second through hole is formed in the liquid inlet end of the suction inner tube; the outer side of the flushing outer pipe is adjustably connected with a fixing assembly. The flushing outer pipe and a wound are fixed through the fixing assembly, the fixing effect is good, and the situation that the pipeline displaces to rub skin is avoided; the flushing pump is started to flush the wound position in the abdominal cavity through the flushing outer pipe, the suction pump is started to drain hydrops in the abdominal cavity through the suction inner pipe, and flushing and drainage work can be completed through one-time intubation operation.

The invention provides a transgastric laparoscopic surgery puncture outfit with anti-slip and fixing functions, which overcomes the surgery difficulties that a traditional puncture outfit cannot puncture into a gastral cavity, the gastral cavity cannot be tightly attached to an abdominal wall after puncture, and contents in the stomach easily flow back into an abdominal cavity through the puncture outfit to cause pollution and the like, and the puncture outfit enables the new technical surgery process to be more simplified, safer and more effective. Comprising a cannula assembly and a puncture assembly, the cannula assembly comprises a cannula seat and a cannula arranged at one end of the cannula seat, the puncture assembly comprises a puncture handle and a puncture needle arranged at one end of the puncture handle, and the puncture needle penetrates through the cannula in a sliding mode. The phenomenon that the cannula slides out of the gastral cavity, and the stomach and other visceral organs and blood vessels of a patient are injured due to repeated puncture can be effectively avoided, the situation that the whole puncture outfit is taken out when the instrument is pulled outwards is avoided, it is guaranteed that the percutaneous laparoscopic surgery is conducted smoothly, and the pain of the patient is relieved; the structure is simple, operation is convenient, time and labor are saved, and the protective fixing effect and the operation efficiency of the cannula are improved; the skin incision can be pulled, and the fixing effect is improved.

The present invention relates to a disposable multi-channel single-hole laparoscopic surgical puncture device, which is suitable for puncturing human abdominal wall tissue during laparoscopic examination and surgery to establish a working channel for abdominal surgery. It consists of a multi-channel puncture device assembly and an incision protection sleeve with an elastic pad, and the lower part of the multi-channel puncture device assembly is equipped with an incision protection sleeve with an elastic pad; the multi-channel puncture device assembly includes a sleeve one, a sleeve two, an injection valve assembly and a puncture device; the puncture device has a puncture device body, and a sleeve one and a sleeve two are arranged on the cover, and an injection valve assembly is arranged on the cover; the injection valve assembly consists of an injection joint, an injection sleeve, an injection switch, and an injection valve; the incision protection sleeve with an elastic pad includes an outer ring, an inner ring, a high elastic gasket, a pull ring and a pull rope; the outer ring is connected to the inner ring, the outer ring is connected to the inner ring, the outer ring and the inner ring are provided with a surgical instrument channel in the inner cavity, and the high elastic gasket is installed at the connection between the outer ring and the inner ring; the pull ring is connected to the lower end of the inner ring through a pull rope.

The embodiment of the invention provides a newborn abdominal pressure monitoring device based on a flexible strain sensor and a manufacturing method of the newborn abdominal pressure monitoring device, and belongs to the technical field of electronic medical treatment. The device comprises an acquisition module used for executing abdomen stretching state monitoring in a state of being attached to abdomen skin to obtain an acquisition signal; wherein the acquisition module comprises a wrinkle-microcrack conductive layer arranged on a flexible substrate layer, and the flexible substrate layer is used for being attached to the abdominal skin; the wrinkle-microcrack conductive layer is used for outputting a corresponding resistance signal as an acquisition signal along with the change of the stretching state of the flexible substrate layer; and the signal processing module is connected with the acquisition module and is used for analyzing the acquired signal to obtain a corresponding abdominal cavity pressure monitoring value. According to the scheme, the safety and convenience of abdominal pressure monitoring are improved, the stability and real-time performance of data are enhanced, and the method can be widely applied to the fields of clinical monitoring, mobile medical treatment, intelligent health monitoring and the like.

The invention belongs to the technical field of medical apparatus and instruments, and particularly relates to an ICU department critical patient effusion drainage device which comprises a sleeping table and a bed body for a patient to lie flat. A needle clamping part is arranged at the axis of the flat plate part, and the needle guiding end penetrating into the abdominal cavity of the patient is fixed through the needle clamping part; and the guide parts are symmetrically arranged on the two sides of the flat plate part. The device can assist medical staff in pricking a patient suffering from abdominal dropsy, and after the medical staff pricks the pricking needle into the abdomen of the patient, the device can keep the pricking needle in a stable vertical state and reinforce the pricking needle, so that when the medical staff connects the pricking needle with a drainage belt, an assistant does not need to assist in taking the drainage belt, and the operation is simple and convenient. When the drainage belt is in butt joint with the puncture needle, it can be guaranteed that the puncture needle has enough stability, and the problem that a patient is secondarily hurt due to the fact that the drainage belt makes contact with the abdomen of the patient and stirs the abdomen of the patient is solved.

An inflation-free single-port laparoscope abdominal wall fixing device comprises a fixing plate, a handle is arranged on the rear side of the fixing plate, the handle gradually inclines upwards, an operation hole is formed in the fixing plate, connecting plates are arranged on the left inner side and the right inner side in the operation hole respectively, the connecting plates are connected with the fixing plate through an adjusting device, and the adjusting device is connected with the fixing plate. A connecting plate is arranged on the handle, a side drag hook is arranged below the connecting plate, a suction tube is arranged on the handle, a connector is arranged at one end of the suction tube, the connector is connected with a negative pressure suction device, a flat tube which is bent downwards is arranged at the other end of the suction tube, one side of the flat tube is connected with the fixing plate in a welded mode, and suction holes which are communicated with each other are formed in the flat tube and the suction tube. The flat tube can be used as a suction tube to suck smoke and water mist generated in the abdominal cavity during an operation, and can also be used as a drag hook structure on the rear side to tension and support the rear side abdominal wall of an abdominal incision of a human body, the rear drag hook structure is replaced by the flat tube, and the suction tube does not interfere with the scalpel.

The invention discloses a puncture drainage device with a numerical control monitoring function, and relates to the technical field of medical instruments, the puncture drainage device comprises a puncture drainage module, a supporting and positioning module and a driving module, the supporting and positioning module comprises a positioning sleeve, an adsorption assembly, a dressing fixing assembly and a guide frame; the positioning sleeve is connected to the end, close to the puncture catheter, of the drainage catheter in a sleeving mode and adsorbed to the abdomen through the adsorption assembly to position the positioning sleeve, the dressing fixing assembly is inserted into the end of the positioning sleeve and abuts against the surface of the application so that the application can be tightly attached to a wound, and the drainage catheter penetrates through the positioning sleeve and is clamped by the guide frame so that the drainage catheter can be bent. The bent drainage catheter is used for positioning the positioning sleeve and is adsorbed to the abdomen through the adsorption assembly, so that the drainage catheter and the puncture catheter are straightly or obliquely erected on the abdomen, and the situation that the puncture catheter swings due to dragging of the drainage catheter when being punctured into the abdomen, and consequently a wound is expanded or the puncture catheter is punctured deeply is avoided; the wound and tissues in the abdominal cavity are further damaged.

A tissue retractor for laparoscopic surgery according to the present invention is a device for retracting tissues including organs in the abdominal cavity during laparoscopic surgery. The device has a structure in which four bar-shaped main frames are connected to each other to form a rhombus shape, and the four vertices thereof can be folded or unfolded. Accordingly, when one pair of first vertices facing each other are completely folded and the other pair of second vertices are completely unfolded, the device becomes a straight line and can be inserted into the abdominal cavity via a trocar installed in a surgical incision.

The invention discloses an automatic pressurizing and pressure measuring intelligent bellyband device in the field of intelligent wearable equipment, which comprises a bellyband body, the bellyband body is provided with a band length regulator and a first battery, the inner side of the bellyband body is fixedly connected with a skin-friendly layer, and a pressurizing airbag assembly, a pressure sensor, a motion sensing assembly and a controller are arranged between the bellyband body and the skin-friendly layer; the controller is used for predicting the risk of postural hypotension in combination with the motion state data of the wearer, and controlling the pressurizing air bag assembly to pressurize the abdominal cavity of the wearer based on the data of the pressure sensor when the postural hypotension is predicted; the pressurizing air bag assembly is used for extruding the abdominal cavity of the wearer to enable blood to enter the thoracic cavity when the postural hypotension is predicted to occur. The device is simple and effective, the physical condition of a wearer is detected through the motion sensing assembly and the blood pressure detection assembly, the controller predicts the postural hypotension and controls the pressurization air bag assembly to inflate to pressurize the abdominal cavity, and the probability of occurrence of the postural hypotension and the symptom severity are reduced.

The invention provides an intracavity gas self-circulation filtering device for laparoscopic surgery, which comprises a first filtering part (1) provided with a first filtering part gas inlet (102) and a first filtering part gas outlet (103), and the first filtering part gas inlet is communicated with the abdominal cavity of a human body; the power part (2) is connected with the first filtering part and is provided with a power part air inlet (203) and a power part air outlet (202), the power part air inlet is communicated with the first filtering part through the first filtering part air outlet, and the power part air outlet is communicated with the human body abdominal cavity; a housing (5) having an opening and an internal space communicating with the outside and accommodating the first filter part and the power part in the internal space; and the at least one second filtering part (1005) is communicated with at least one of the first filtering part air inlet and the power part air outlet. The technical scheme provided by the invention has the advantages of avoiding pollution and being high in durability.

The invention relates to the technical field of medical auxiliary instruments, in particular to an anti-falling and anti-leakage thoracic and abdominal cavity drainage auxiliary device which comprises a self-sleeving elastic tube, a fixing cover, a hoop ring and an infusion piece, the self-sleeving elastic tube comprises an inner sleeve part and an outer sleeve part with an air bag arranged at one end, the inner sleeve part is inserted into the outer sleeve part, and the fixing cover is arranged on the outer sleeve part; the air bag end of the outer sleeve part is hermetically connected with one end of the inner sleeve part; the fixed cover is movably sleeved outside the outer sleeve part; the shroud ring is movably connected to the fixed cover in a sleeving manner; and the infusion piece is communicated with the air bag. The auxiliary drainage tube can adapt to patients with different cortex thicknesses, the fixing depth of the auxiliary drainage tube in the pleuroperitoneal cavity is more appropriate, and the anti-leakage effect is achieved.

Described here are methods, systems, and devices, useful for minimally invasive surgical procedures. The methods may include introducing a grasper through an opening into an abdominal cavity, grasping a portion of a left lobe of a liver with the grasper, rotating the grasper towards a control element located outside the abdominal cavity by applying a magnetic field to the grasper across a body wall, and moving the control element over a set of ribs such that the liver bends into a folded configuration.

The invention relates to a gynecological pelvic and abdominal lymphatic cleaning prediction model training method and a lymph node model.The training method comprises the steps that preoperative image data and intraoperative instrument operation parameters of historical patients are subjected to modeling processing, and a dynamic mechanics-fluid coupling lymph node model based on bionic materials is constructed; mechanical deformation and fluid flow of a lymphatic system in various clinical scenes are simulated; performing data acquisition processing on the used lymph node model, and quantifying the dynamic influence of the surgical operation on the lymphatic system; the relevance between historical operation and injury risk is deeply learned, and the lymphatic vessel rupture probability is output; real-time feedback control processing is carried out based on the lymphatic vessel rupture probability, a training correction instruction and a risk thermodynamic diagram are generated, and medical workers are guided to optimize surgical skills. Through fusion analysis of the high-fidelity bionic model and multi-modal data, dynamic simulation of the mechanical-fluid coupling effect in the operation and real-time quantification of the operation risk are achieved, and the accuracy and clinical transformation value of operation training are improved.

The utility model provides a Hemricker first-aid training waistcoat, which relates to the field of first-aid training models and comprises a front body piece and a rear body piece, the front body piece and the rear body piece are detachably connected through strainers and are sleeved on a dummy for training, a simulated abdominal cavity is mounted on the front body piece and is of an air bag structure, and the front body piece and the rear body piece are detachably connected through strainers. The upper end of the simulated abdominal cavity is connected with a simulated trachea, a pressure sensor is arranged on the simulated abdominal cavity, a control system and a built-in power supply for supplying power are arranged in the front body sheet, and the pressure sensor is electrically connected with the control system. The first-aid training device is simple in structure and convenient to use, the acousto-optic feedback assembly is arranged, the first-aid effect can be displayed more visually, and the training effect is better.