35 results about "Ascitic fluid" patented technology

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 invention discloses a puncture needle for improving the safety and isolation effect of artificial ascites puncture. The puncture needle comprises a hose, a rubber plug, a communicating pipe, a needle body, a needle holding handle and a butterfly wing fixator. The hose is of a venous indwelling needle structure, and the rubber plug is fixedly connected to one end of the hose. The communicating pipe is communicated with the other end of the hose to form a medicine conveying channel. The needle body comprises a steel needle and a soft sleeve wrapping the periphery of the steel needle, the needle holding handle is detachably connected with the needle body, and an isolation plug is arranged in the needle holding handle. And the isolation plug is pulled out together with the steel needle when the needle holding handle is pulled out so as to cover and protect the steel needle. The butterfly wing fixator is arranged at the joint of the needle holding handle and the needle body and comprises a butterfly wing piece and a hydrophilic gel pad fixed to the contact face of the butterfly wing piece and the human skin. The puncture safety in liver cancer ablation treatment is remarkably improved, the risks of mistaken puncture and inaccurate puncture depth are reduced, damage to surrounding important organs and blood vessels is reduced, and the safety and effectiveness of treatment are improved.

The invention discloses a novel ascites drainage system which comprises a negative pressure structure, a dilution assembly, a cutting assembly and a pressing structure, and the negative pressure structure is placed in a mounting frame of the pressing structure; a pressure valve is arranged on the negative pressure structure, the upper part and the lower part of the negative pressure structure are respectively communicated with a liquid inlet pipe and a liquid outlet pipe, and a detachable pinch valve is arranged on the liquid outlet pipe; the dilution assembly communicates with the liquid inlet pipe, and a one-way valve is arranged at the communicating position; the cutting assembly is arranged in the negative pressure structure and comprises a net plate arranged in the middle of the negative pressure structure, pressing rotating structures arranged at the upper end and the lower end of the net plate and cutting tool bits arranged at the rotating ends of the pressing rotating structures, and when the negative pressure structure is pressed to contract, the pressing rotating structures are driven to rotate; therefore, the cutting tool bit is driven to cut the surface of the screen plate. According to the application, the problems that clots in high-viscosity ascites drainage are not thoroughly decomposed and a pipeline is easily blocked are solved in a mode of cooperation of dilution and cutting shear.

The invention belongs to the technical field of surgical instruments, and provides a body fluid sample collection device for hydrothorax and ascites and a use method thereof. A pretreatment device is arranged between a body fluid bottle and a suction pipeline and comprises a viscosity control part, the viscosity control part is provided with a conical pipe, the inner diameter of the end, close to the suction pipeline, of the conical pipe is smaller than that of the end, away from the suction pipeline, of the conical pipe, and branch pipe openings capable of being opened and closed are formed in the two ends of the conical pipe. The branch pipe openings comprise the first branch pipe opening and the second branch pipe opening, and the first branch pipe opening is closer to the suction pipeline than the second branch pipe opening. The problems that in the hydrothorax and ascites suction process, due to clots such as fibrin of high-viscosity hydrothorax and ascites, a suction pipeline is blocked, and the microscopic examination accuracy is affected are avoided; the problems that before and after the pleural and ascitic fluid needs to be sucked for multiple times and the pleural and ascitic fluid is indwelled and sucked, the pipeline is blocked due to residual clots in the pipeline, and even indwelling and suction instruments need to be replaced are avoided.

The invention discloses an effusion drainage device for tumor nursing, and relates to the field of medical nursing. The effusion drainage device for tumor nursing comprises a drainage unit and a support unit, a collection unit is arranged in the drainage unit, the drainage unit comprises a negative pressure box, a drainage box, a drainage tube, a puncture needle, a negative pressure assembly and an exhaust assembly, the drainage box is fixedly connected to one side of the negative pressure box, the drainage tube is arranged above the drainage box, and the drainage tube is arranged above the drainage box. The puncture needle is movably connected to one end of the drainage tube, and the collecting unit comprises a liquid outlet tube, a liquid collecting bottle, a standby bottle, a connecting tube, a valve switch and a clamping assembly. According to the effusion drainage device for tumor nursing, the negative pressure box and the drainage box are in a negative pressure state through the negative pressure assembly, ascites in the body of a patient is drained into the drainage box and enters the liquid collection bottle, the liquid collection bottle can be replaced, the ascites can be continuously collected, and therefore when a doctor extracts the ascites, the injector does not need to be detached and replaced, use is convenient, and the operation is simple. And infection is avoided.

The invention relates to the technical field of body fluid sampling, and discloses a body fluid sampling device for animal experiments, the body fluid sampling device comprises a placement block, the middle section of the interior of the placement block is fixedly connected with a sampling seat, the two sides of the sampling seat are both provided with positioning blocks, and the interior of the sampling seat is provided with a moving assembly. In the ascites extraction process, ascites can push the spoiler to open the anti-blocking plate, the ascites can flow into the sampling needle through the flow guide hole, and in the ascites sampling process, frequent adjustment or replacement of the needle due to fat blockage can be avoided, so that the single sampling time can be shortened, and the sampling efficiency is improved. Meanwhile, the unblocked needle head can rapidly extract ascites, interfusion of interstitial fluid, blood or scraps caused by blockage is avoided, the sample purity is improved, and the accuracy of subsequent detection is ensured.

The utility model relates to the technical field of infectious diseases, in particular to a hepatopathy ascites aspirator which is matched with an aspiration mechanism to collect hepatopathy ascites, and two collection boxes are arranged to avoid stopping the aspiration work during cleaning, so that the working efficiency is improved, and the practicability is higher. A box door is hinged to the working box, a suction mechanism is arranged on the working box and comprises a pump body, the input end of the pump body communicates with a first communicating pipe, the first communicating pipe communicates with a second communicating pipe, a needle head is arranged on the second communicating pipe, and the output end of the pump body communicates with a third communicating pipe; and two fourth communicating pipes are symmetrically installed on the third communicating pipe in a communicating mode, valves are arranged on the two fourth communicating pipes, two collecting boxes are symmetrically installed on the working box in a sliding mode, the top ends of the two collecting boxes communicate with the two fourth communicating pipes correspondingly, and first observation windows are formed in the two collecting boxes correspondingly.

V1a RECEPTOR PARTIAL AGONISTS AND METHODS OF USE SOLUTION: The present invention provides novel partial V1a agonists for partial activation of V1a receptors. The partial V1a agonists have therapeutic indices of at least 20 (e.g., at least 30, at least 40, at least 50, at least 60, at least 70, at least 80, at least 90, at least 100). Also provided is a method of treating liver fibrosis, hepatocirrhosis, portal hypertension, peritoneal fluid, esophageal varices, fundic varices, hemorrhage, arterial hypotension, and / or hepatorenal syndrome, comprising administering to a subject in need thereof a therapeutically effective dose of a composition comprising one or more of the disclosed partial V1a agonists, optionally in combination with a V2 antagonist.SELECTED DRAWING: None

The application discloses a peritoneal cavity drainage negative pressure adsorption device with detection function, and relates to the field of peritoneal cavity drainage adsorption devices. The application provides a peritoneal cavity drainage negative pressure adsorption device with detection function which can keep a puncture needle stable. The peritoneal cavity drainage negative pressure adsorption device with detection function comprises a U-shaped sliding frame, a sliding plate is slidably connected to the U-shaped sliding frame, symmetrical bases are fixedly connected to the U-shaped sliding frame, a supporting frame is slidably connected to the sliding plate, a puncture needle is arranged between the supporting frame and the sliding plate, an infrared sensor is installed on the supporting frame, a screw rod is fixedly connected to the supporting frame, and a nut is threadedly connected to the screw rod. The turbidity of ascitic fluid drawn out is detected by the infrared sensor, so that the optimal puncture position is determined. The fixing of the puncture needle is completed by the supporting frame, the screw rod and the nut, the discomfort of a patient caused by movement of the puncture needle during puncture can be reduced, and local serious bleeding caused by movement of the puncture needle is prevented.

The invention relates to the field of medical instruments, in particular to an abdominal cavity puncture catheter device. Comprising a catheter, a needle core inserted into the catheter for puncturing, a branch tube communicated with the catheter, a liquid collecting part communicated with the branch tube and used for collecting ascites, a needle seat fixedly connected with the needle core, a telescopic rod fixedly connected with the needle seat and with a changeable length, and an isolating ring fixedly connected with the telescopic rod and capable of allowing one end of a needle point of the needle core to be located therein, a port is formed in the outer wall of the circumference of one end of the needle point of the needle core, a transverse strip capable of being inserted into the port is slidably connected into the isolating ring, and an in-ring spring forcing the transverse strip to move towards the axis of the needle core is arranged in the isolating ring, so that when the isolating ring is forcibly detached, the needle core can be damaged and cannot be used for the second time.

An indwelling pleural catheter system comprises an indwelling catheter device (2) comprising a catheter tube (7) with a fenestrated distal end (7A) configured to reside in the pleural cavity of a subject and a connection hub (10) fluidically coupled to a proximal end (7B) of the catheter tube, a skin anchoring member (3) to anchor the connection hub (10) to the skin of the subject, and optionally a detachable ambulatory suction module (4) configured for detachable attachment to the connection hub (10). The suction module (4) comprises a fluid inlet (19) configured for fluidic coupling to the catheter tube (7) through the connection hub (10) and a fluid outlet (20) configured for detachable fluidic coupling to a pleural fluid drainage system (5) to drain pleural fluid through the detachable ambulatory suction module. The detachable ambulatory suction module is configured to exert a negative pressure in the catheter tube upon detachment of the pleural fluid drainage system from the suction module. Treatment of pleural effusion using the system of the invention is described. An indwelling catheter system for draining fluid from the peritoneal cavity, and methods of treating ascites, is also described.

This invention provides a reusable ascites drainage device, comprising: a drainage seat, a drainage tube, a negative pressure assembly, and a collection container; one end of the drainage tube is connected to the drainage seat, and the negative pressure assembly and the collection container are both connected to the other end of the drainage tube; the negative pressure assembly is used to generate negative pressure within the drainage tube, allowing ascites fluid from the drainage seat to enter the drainage tube; the collection container is used to collect the ascites fluid draining from the drainage tube; the drainage seat includes an annular shell, one end of which is provided with a self-sealing soft body for sealing; one end of the drainage tube is connected to a puncture needle, which is inserted into and penetrates the self-sealing soft body into the annular shell. This embodiment reduces tissue damage from repeated punctures, improves patient comfort, enhances the precise control of negative pressure within the drainage tube, protects tissues near the drainage seat from damage, and reduces the risk of abdominal infection.

The present invention belongs to the technical field of medical devices, and particularly relates to a novel ascites collection container, which comprises a storage box, on which a box cover is installed. A collection box is arranged inside the storage box, and a liquid inlet pipe and an exhaust pipe are arranged on the box cover. The liquid inlet pipe is communicated with the collection box through a conduction and sealing mechanism; the bottom of the collection box is communicated with a diversion pipe arranged inside the storage box through a top push conduction mechanism. The outer pipe orifice of the diversion pipe extends to the outside of the storage box through a drain pipe, and a valve is arranged on the drain pipe. The present invention can realize the refrigerated storage of ascites, and then the storage box is sent to the pathological inspection department. Medical staff in the pathology department can open the valve on the drain pipe of the storage box, so that the ascites liquid in the collection box can be automatically discharged, without the need for medical staff to manually extract ascites, and it can also meet the unified storage management standard.

The invention relates to the technical field of medical image processing, and discloses a liver ascites volume calculation method based on artificial intelligence semantic segmentation, and the method comprises the following steps: obtaining medical image data of the abdomen of a patient; the medical image data is preprocessed; inputting the preprocessed data into a deep learning model for intelligent segmentation to obtain a segmentation result of the ascites region; calculating the volume of liver ascites according to the segmentation result; and analyzing the liver ascites distribution conditions at different time points and visually outputting analysis results. Through a deep learning semantic segmentation strategy, the model can learn and identify a complex mode in a medical image, ascites and other tissues or liquids with similar densities are more accurately distinguished, wrong classification and missing classification conditions are reduced, the accuracy of ascites area identification is improved, the deep learning model has very strong generalization ability, and the method is suitable for popularization and application. The system can adapt to image data from different patients, different devices and different operation conditions, and can be effectively applied in a wide clinical environment.

The invention discloses an ascites concentrating, filtering and reinfusion system which comprises an ascites drainage pipeline, a filter, a plasma component separator and an abdominal cavity reinfusion pipeline, the ascites drainage pipeline is communicated with an inlet of the filter and used for conveying ascites to be treated, and a liquid outlet of the filter is communicated with an inlet of the plasma component separator through a first liquid infusion pipeline; the plasma component separator is used for separating and removing harmful components in the concentrated ascites, a bypass side opening of the plasma component separator is communicated with the abdominal cavity back-transfusion pipeline so as to back-transfusion the treated ascites into the abdominal cavity, the multi-intervention treatment principle is achieved, multi-path individualized switching combination is achieved, the removal efficiency of the harmful substances in the ascites is remarkably improved, and the treatment cost is reduced. Meanwhile, macromolecular beneficial or nutrient substances such as albumin are reserved and purified; and then the abdominal omentum majus capillary network is used for slow absorption, so that the risk and high cost caused by venous transfusion after treatment are avoided, the hemodynamics is stable, and the whole treatment system is safer.

The invention discloses an enteral nutrition infusion regulation and control method and system for patients with cirrhosis ascites, and relates to the technical field of medicines.The enteral nutrition infusion regulation and control method comprises the following steps that basic illness state information, intestinal function information and laboratory nutrition indexes of the patients with cirrhosis ascites are collected; performing analysis to obtain grading characteristics of the basic illness state information, absorption capacity characteristics of the intestinal function information and supply and demand characteristics of the laboratory nutrition indexes, calculating individual enteral nutrition demand parameters of the patient based on the grading characteristics, the absorption capacity characteristics and the supply and demand characteristics, and generating an initial enteral nutrition infusion scheme. Based on comprehensive evaluation of basic illness conditions, intestinal functions and laboratory indexes, nutritional requirement parameters are calculated in combination with correction coefficients, and it is ensured that an initial scheme adapts to individual characteristics of patients. Through set dose trial verification and real-time monitoring, abnormal types such as intestinal tolerance, liquid electrolyte balance, nutritional state and special illness conditions can be identified in time.

The utility model relates to the technical field of digestive system department instruments, and particularly discloses an ascites drainage pipeline fixator which comprises a first positioning seat, a clamping plate is arranged on one side of the first positioning seat, and the clamping plate is connected with the first positioning seat through a spring piece. The second positioning seat is hinged to one side of the first positioning seat, the side, away from the hinged position of the first positioning seat, of the second positioning seat is rotationally connected with a positioning plate, and the positioning plate is connected with the first positioning seat through a fixing piece; the pipeline groove is formed between the first positioning seat and the second positioning seat; in the ascites drainage process, accumulated pipelines can be fixed and guided, winding, pressing, excessive bending and the like are reduced, ascites are drained into the drainage bag through the pipelines to be collected, and when the ascites are large in accumulated liquid amount, thick or not prone to flowing out naturally, the ascites can be sucked out through connection of the negative pressure suction pipe and the connecting pipe. Negative pressure is generated in a corresponding drainage bag connected with the drainage bag connector, the amount of effusion in the abdominal cavity can be rapidly reduced, and abdominal distension and discomfort of a patient are relieved.

The adjustable and controllable ascites drainage device based on the buoy principle comprises a transparent flow velocity device, a containing scale strip is arranged on the front face of the flow velocity device, a cavity is formed in the flow velocity device, a buoy capable of floating on ascites is arranged in the cavity, and a dripping opening used for forming water drops is formed in the upper wall of the cavity. The upper end of the flow velocity device is provided with a liquid inlet used for being connected with an abdominal cavity drainage tube, the liquid inlet is communicated with the dripping opening, the lower end of the flow velocity device is provided with an infusion tube, the infusion tube is a hard tube, the outer end of the infusion tube is connected with a container, the infusion tube is provided with a butterfly valve, a turnable sealing plate is arranged in the butterfly valve, and a knob is arranged outside the butterfly valve. When the knob rotates reversely, the sealing plate is turned over and closed to reduce the flow velocity of ascites. According to the adjustable and controllable ascites drainage device, the ascites drainage speed can be controlled, adverse reactions such as hypotension caused by too high ascites drainage speed are avoided, and the situation that ascites cannot be drained successfully due to too low ascites drainage speed is avoided.

The invention belongs to the technical field of traditional Chinese medicines, mainly relates to a traditional Chinese medicine composition and a preparation method thereof, and in particular relates to a traditional Chinese medicine composition for treating liver diseases as well as a preparation method and application thereof. According to the traditional Chinese medicine composition, oldenlandia diffusa, schisandra chinensis, radix pseudostellariae, lucid ganoderma and liquorice are selected, the performance is improved through staged fermentation of lactobacillus rhamnosus CICC-6133 and bifidobacterium breve CICC-6182, then water extraction, concentration and drying are conducted, and the traditional Chinese medicine composition is prepared, and the prepared traditional Chinese medicine composition has the improvement effect on alcoholic fatty liver, hepatitis B, gastric mucosal injury, cirrhosis ascites and advanced liver cancer.

The utility model belongs to the field of ascites aspirators, and particularly relates to a hepatopathy ascites aspirator. The device comprises a liquid storage bottle with an upward bottle opening, the bottle opening of the liquid storage bottle is detachably sleeved with a connecting cover, a liquid suction pipe independently penetrates through the side wall of the connecting cover, an adjuster used for adjusting the flow speed of ascites is installed on the liquid suction pipe, and a puncture needle is installed at the liquid inlet end of the liquid suction pipe. A locking assembly used for locking the liquid suction pipe is arranged between the liquid suction pipe and the connecting cover, an air suction assembly used for sucking air in the liquid storage bottle is arranged at the top of the connecting cover, an insertion rod used for being independently installed in the liquid storage bottle in a penetrating mode is vertically fixed to the air suction assembly, and a clamping groove used for clamping a pipe body at the liquid outlet end of the liquid suction pipe is formed in the insertion rod. An air outlet pipe communicated with the connecting cover is connected to the side wall of the connecting cover, and a valve is installed on the air outlet pipe. Therefore, long-time manual operation is not needed, the workload of medical staff can be reduced, and the medical staff can be more relaxed.

The invention provides an intelligent pressure-regulating anti-leakage ascites puncture drainage device, and relates to the technical field of ascites puncture drainage, the intelligent pressure-regulating anti-leakage ascites puncture drainage device comprises a sealing sleeve and a catheter, a protection assembly is installed on the sealing sleeve, the protection assembly comprises a needle cap and a clamping cover, a drainage assembly is installed on the sealing sleeve, the drainage assembly comprises a steel needle and a hose, and the steel needle and the hose are connected through a pipeline. The intelligent pressure-regulating anti-seepage ascites puncture drainage device comprises a hose, an anti-blocking mechanism is installed on the hose and comprises an inclined hole, a self-sealing assembly is installed on the hose and comprises an annular groove and a soft ring, and according to the intelligent pressure-regulating anti-seepage ascites puncture drainage device, when viscous materials or blocks in accumulated water block the hose, the accumulated water can flow into the inner side of the annular groove through the inclined hole, and the soft ring is sealed. Then the soft ring is extruded by pressure to enter the hose, so that the situation that hydrops cannot be discharged due to blockage of the hose is avoided, the stability of the outflow pressure of the seroperitoneum is guaranteed, the situation that osmotic pressure is unbalanced due to too fast pressure drop of the seroperitoneum is avoided, and the device is suitable for intelligently controlling the flow speed and pressure of ascites puncture drainage.

The invention relates to the technical field of medical apparatus and instruments, and discloses an abdominal cavity drainage tube with an inflatable airbag, which comprises a tube body for draining liquid in an abdominal cavity, an airbag configured on the tube body, an inflatable component communicated with the airbag, and an adaptive structure capable of adapting to the change of the internal pressure of the abdominal cavity to maintain the effect that the airbag is attached to the inner wall of the abdominal cavity; by means of the integrally-formed structure of the tube body and the inflation tube and the cooperation of the flat inflation air bag with the anti-skid points, the drainage tube can be evenly attached to the inner wall of the abdominal cavity to form mechanical clamping and friction fixing, displacement and slippage of the tube body are avoided, meanwhile, wound gaps are blocked, ascites leakage is eradicated, and the problems that a traditional drainage tube is poor in fixation and seepage is solved; and the pressure sensor is linked with the processing equipment and the inflating equipment, so that support is provided for dynamic regulation and control of the pressure of the air bag, the device is adaptive to the intraperitoneal pressure change and the whole drainage process working condition, instant automatic air supply can be achieved when the pressure is lower than a threshold value, the device is adaptive to different opening and fitting requirements, and the safety, convenience and suitability of the peritoneal drainage operation are effectively improved.

This invention provides a pressure-adjusting, leak-proof ascites puncture and drainage device, belonging to the field of medical supplies. It includes: a drainage tube; and a leak-proof component. The leak-proof component includes a connecting cap that can be placed on the skin. A polyethylene film that can be adhered to the skin is fixed on the connecting cap. A rubber ring is installed in the mounting hole. After the drainage tube passes through the rubber ring, it can seal against the inner wall of the rubber ring. A pressure-adjusting mechanism is installed on the connecting cap. A connecting ring is fixed to the outside of the connecting cap, and an adhesive ring that adheres to the skin is fixed to the bottom of the connecting ring. This invention increases the pressure between the rubber ring and the skin by adhering the polyethylene film to the skin, thereby further improving the sealing between the rubber ring and the skin. Simultaneously, the adhesion of the polyethylene film to the skin also provides a sealing effect, thus ensuring the seal between the connecting cap and the skin and effectively preventing leakage between the skin and the connecting cap.

The present invention relates to an improved internal drainage tube for ascites drainage, which makes it possible to discharge ascites in the abdominal cavity through urine through the bladder and greatly ensures the fixing force to the bladder wall as a reference that distinguishes the area between the abdominal cavity and the bladder.

The utility model discloses a fixed clinical ascites drainage device, which belongs to the field of ascites drainage, and comprises an ascites collecting tank, the top of the ascites collecting tank is communicated with a drainage pipeline, one end of the drainage pipeline far away from the ascites collecting tank is fixedly connected with a filter head, and the top of the filter head is provided with a conical inclined surface. A plurality of evenly-distributed water inlets are formed in the outer ring face of the conical inclined face in a penetrating mode, the end, away from the ascites collecting tank, of the drainage pipeline is in threaded connection with an outer pipeline, and the filter head is arranged in the outer pipeline. The filtered dirt slides onto the inclined top ring along the conical inclined surface and finally flows to the sewage draining exit along the top surface of the inclined top ring, so that the dirt in ascites can be effectively prevented from being attached and accumulated in the drainage pipeline, and the condition that the drainage pipeline is blocked can be effectively avoided.

The utility model discloses a drainage device for ascites discharge of tumor patients, which comprises a drainage bag, a connecting piece is arranged at the top of the drainage bag, a detachable drainage tube is arranged in the connecting piece, the drainage tube is communicated with an inner cavity of the drainage bag through the connecting piece, and a communicating tube communicated with the inner cavity of the drainage bag is mounted at the top of the drainage bag. The top end of the communicating pipe penetrates through and extends out of the drainage bag, a flow guide pipe communicated with an inner cavity of the communicating pipe is installed at the top end of the communicating pipe, the bottom end of the communicating pipe is sealed, and a first communicating hole communicated with the inner cavity of the communicating pipe is formed in the upper portion of the side face of the communicating pipe. The drainage device for ascites drainage of the tumor patient can be used for drainage of ascites and collection of ascites, medical staff can conveniently judge whether postoperative bleeding, digestive juice leakage and the like exist in the abdominal cavity or not according to information such as the ascites color and the drainage amount, meanwhile, the drainage device can conveniently sample the collected ascites, and the drainage effect is good. And the ascites characteristics can be conveniently detected by medical staff.

The invention relates to a culture method of TIL from pleural effusion and / or ascites. Specifically, the invention provides the in-vitro culture method of the pleural effusion and / or ascites derived TIL, and the method comprises the following steps: 1) obtaining TIL seed cells from pleural effusion and / or ascites, and 2) sorting the TIL seed cells to obtain intermediate cells which are CD45RA-cells, CD39 + cells, or CD45RA-CD39 + cells.

The invention discloses a method for culturing infectious bacteria in ascites. Compared with a traditional culture method, the culture method is high in positive rate, and the ascites culture positive rate can be increased to 30% from 16%; meanwhile, the culture method disclosed by the invention is short in detection time and stable in detection time; according to the method, immediate bedside inoculation is not needed, and 1-2 hours of specimen transfer time can be reserved; and meanwhile, the economic cost is also reduced.

The utility model provides a limiting and retaining device for an abdominal cavity puncture needle. The limiting and retaining device comprises a limiting seat and a limiting piece, wherein the limiting seat is provided with a mounting cavity with two open ends, and a first needle inserting side opening communicated with the mounting cavity is formed in one side; the limiting piece is installed in the installation cavity in an up-down moving mode and provided with a limiting cavity with the two ends open, and a second needle inserting side opening communicated with the limiting cavity is formed in one side of the limiting piece. During use, a needle head of a puncture needle penetrates into the second needle inlet side opening from the first needle inlet side opening and enters the limiting cavity, then the limiting base is fixed to the skin of a patient, the limiting piece is moved upwards till the top of the limiting piece abuts against a needle handle of the puncture needle, and therefore the puncture needle is limited and fixed. According to the limiting and retaining device for the abdominal cavity puncture needle, the puncture needle can be limited and fixed, the situation that a patient is injured due to the fact that the puncture needle is pushed in or deviates in the puncture period is avoided, and good conditions are created for follow-up ascites extraction and medicine injection.