828 results about "Abdominal cavity" patented technology

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 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.

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 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 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 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.

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 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 discloses an abdominal cavity drainage tube which comprises an outer sleeve and a liquid suction tube arranged in the outer sleeve in a sleeved mode, a flushing cavity is formed between the outer sleeve and the liquid suction tube, the outer sleeve is connected with a flushing tube, a plurality of flushing holes are formed in the side wall of the outer sleeve, the flushing holes are communicated with the flushing cavity, and the liquid suction tube is communicated with the flushing cavity. And a plurality of connecting pipes are arranged between the outer sleeve and the pipette. According to the utility model, the drainage tube is inserted into the body of a patient, the flushing tube is connected with the flushing equipment, and the liquid suction tube is connected with the drainage equipment, so that flushing fluid can enter the flushing cavity from the flushing tube and then enter the body of the patient for flushing, effusion can enter the liquid suction tube from the connecting tube for drainage, and the flushing fluid and the effusion are respectively positioned in different tubes; and the peritoneal cavity of the patient can be washed clean, so that secondary infection is avoided.

The embodiment of the invention provides a newborn abdominal pressure monitoring method and system, and belongs to the technical field of medical electronics. The method is realized based on a wrinkle microcrack flexible sensor, and comprises the following steps: acquiring an acquisition signal based on the wrinkle microcrack flexible sensor attached to an abdominal cavity, and preprocessing the acquisition signal; data analysis is carried out based on the preprocessed acquisition signals, and corresponding abdominal wall tension is obtained; calling a corresponding intra-abdominal pressure mapping model based on the abdominal wall tension, and outputting corresponding abdominal pressure based on the intra-abdominal pressure mapping model; and pushing the abdominal cavity pressure to a user side. According to the method, a sustainable and continuous abdominal pressure monitoring solution is provided, and the safety, convenience and accuracy of abdominal pressure monitoring are greatly improved.

The present invention relates to an airtight cover for a disposable incision protector sheath, comprising a body. The body is disc-shaped, provided with a through operation hole thereon, and a connecting portion at its edge. A sealing assembly capable of closing the operation hole is provided on the operation hole; the sealing assembly can keep the operation hole closed before and after a surgical instrument passes through the operation hole; the connecting portion is annular, and its size is adapted to the outer port of the disposable protector sheath; the longitudinal section of the connecting portion is an ellipse with an open lower end, and can be tightly clamped on the edge of the disposable protector sheath to achieve sealing of the incision. The present invention can make the sealed installation of the incision protector sheath more convenient and firm, ensure the formation of a stable pneumoperitoneum, and facilitate the doctor to observe the situation inside the patient's abdominal cavity. Moreover, it is also possible to conveniently insert and remove the surgical instrument repeatedly without leakage, greatly improving the surgical efficiency.

The utility model relates to the technical field of medical tools, in particular to a nail pushing structure of an abdominal cavity puncture device, which comprises a sleeve component and a puncture cone component assembled in the sleeve component, the puncture cone component comprises an outer tube and an inner tube provided with the outer tube in a sliding mode, and the upper end of the inner tube is connected with a nail pushing handle on the upper side of the outer tube. A mounting groove is formed in the upper side of the nail pushing handle, a cap used for sealing the mounting groove is embedded in a groove opening of the mounting groove, the groove bottom of the mounting groove is communicated with the inner pipe through a through hole, buckle holes are formed in the positions, on the two opposite sides of the through hole, of the groove bottom of the mounting groove, and clamping pieces connected with the buckle holes in a buckled mode are arranged on the lower side of the cap; a nail pushing piece is arranged in the inner pipe, and the upper end of the nail pushing piece is connected with the cap through a reset spring. The problem that in the prior art, when the nail pushing structure of the abdominal cavity puncture outfit is used, the connecting position of a spring and a nail pushing handle is prone to loosening is solved.

The invention discloses an intestinal anastomosis operation abdominal cavity film covering structure, and relates to the technical field of intraoperative film covering, the intestinal anastomosis operation abdominal cavity film covering structure comprises an external connection part, an internal expansion part and an adsorption part, through inflation of an outer pipe, transverse branch pipes and vertical branch pipes of a corrugated pipe structure extend, transverse concave bases and vertical concave bases are far away from each other, and meanwhile transverse folding frames and vertical folding frames are unfolded; a pull wire of the negative pressure assembly can be pulled in the unfolding process of the transverse folding frame and the vertical folding frame, so that the fragment connected with the pull wire is pulled up, the fragment forms negative pressure at the peritoneum position through the connecting film, and the lower film is attached to the peritoneum and the unfolding position of an operator; the unfolding effect is achieved through inflation, meanwhile, the prominent effect of adsorbing the covered position is achieved, the intestinal canal incision operation is carried out on the upper side of the upper film, and the pollution of the intestinal canal is received.

The invention discloses an abdominal cavity drainage tube fixing device, relates to the technical field of drainage tube fixing instruments, and provides the following scheme that the abdominal cavity drainage tube fixing device comprises four petal-shaped traction pieces which are arranged in an annular array mode, and a drainage wound pressure reducing piece is arranged on the outer surface of the petal-shaped traction piece on the front side; drainage tube limiting pieces are arranged on the top surfaces of the petal-shaped traction piece on the rear side and the petal-shaped traction pieces on the left side and the right side. According to the technical scheme, the four sets of petal-shaped traction pieces are attached to the periphery of the wound of the peritoneal drainage tube, the drainage wound pressure reducing part and the plastic tightening strip are matched to force the four sets of petal-shaped traction pieces to be close to the center of the wound, and the wound is prevented from being torn by pulling the skin around the wound to be close to the center; and the drainage tube limiting pieces are arranged on the four sets of petal-shaped traction pieces, so that the abdominal cavity drainage tubes with different diameters are limited, and the situation that the abdominal cavity drainage tubes are pulled to pull the wound is prevented.

The peritoneal drainage flushing tube comprises an intra-peritoneal flushing drainage section, an extension section and a connecting section which are connected in sequence, a drainage groove is formed in the peripheral face of the intra-abdominal cavity flushing drainage section, and a drainage section flushing inner cavity is formed in the intra-abdominal cavity flushing drainage section. A drainage cavity is formed in the extension section, and an extension section washing inner cavity is further formed in the extension section. The connecting section comprises an outer sleeve and a movable inner pipe; a drainage connector is installed at the end, away from the extending section, of the connecting section, and a negative pressure mechanism is connected to the drainage connector. A flushing connector is arranged at the end, extending out of the outer sleeve, of the movable inner pipe, and a flushing pipeline is connected to the flushing connector. According to the peritoneal drainage flushing tube, the drainage groove is formed in the peripheral surface of the intra-peritoneal flushing drainage section, the surface roughness of the intra-peritoneal flushing drainage section can be increased to the maximum extent through the design of the drainage groove, the tube blocking phenomenon is not prone to being caused, and compared with an existing smooth drainage round hole, the practicability is higher.

The invention relates to the field of biomedical materials, in particular to application of an anti-infection biological patch in temporary abdominal closure materials for abdominal cavity opening. The anti-infection biological patch provided by the invention has good biodegradability and biocompatibility, can effectively control short-term large-scale infection, has good active antibacterial ability and drug sustained release effect, and also has good mechanical strength and tissue compliance; the anti-infection biological patch disclosed by the invention is soft in texture, and does not cause damage to contacted intestinal canals and other visceral sac tissues; when the material is applied to temporary abdominal closure materials for opening the abdominal cavity, the occurrence rate of intestinal air fistula can be reduced to 2% or below, meanwhile, the risk of incisional hernia and abdominal cavity bleeding is reduced, fascia retraction can be reduced, and therefore adhesion between the intestine and the abdominal wall and adhesion between the intestine and abdominal cavity dressing are further avoided, and closure repair of abdominal wall fascia tissue is effectively promoted.

The invention relates to the technical field of medical equipment, and discloses an intelligent lateral ventricle and abdominal cavity shunt tube which comprises an inner core drainage tube, the two ends of the inner core drainage tube are closed, the inner core drainage tube is divided into a ventricle section, a middle section and an abdominal cavity section, the ventricle section of the inner core drainage tube is arranged in the ventricle of a patient, and the middle section of the inner core drainage tube is connected with the abdominal cavity section. The abdominal cavity section of the inner core drainage tube is arranged in the abdominal cavity of a patient, and the pressure monitoring device is arranged on the middle section of the inner core drainage tube and used for monitoring the shunt volume of cerebrospinal fluid. The technical means that the pressure monitoring device and the flow adjusting device are matched is adopted, the pressure in the ventricle is monitored in real time through the pressure monitoring device, the flow dividing amount of cerebrospinal fluid is adjusted in cooperation with the flow adjusting device, the defects in the prior art are overcome, and then the practicability of the device is improved.

The invention discloses an anti-blocking dredging peritoneal drainage tube, which relates to the technical field of peritoneal drainage and is characterized in that a drainage outer tube is fixed and sealed at a wound through a spiral clamping part at the head end of the drainage outer tube; a sealing section and a cleaning section are arranged in an inner cavity at the tail end of the drainage outer tube, and a drainage inner tube which can be drawn along the axial direction is sleeved on the inner cavity; when the drainage inner tube is blocked, the suction end is located in the sealing section, the sealing section isolates the space between the abdominal cavity and the drainage outer tube, blockages can be removed through negative pressure suction, the suction branch holes are cleaned through cleaning tentacles of the cleaning section, and automatic dredging of the drainage inner tube is achieved. The anti-infection sleeve can move along with the drawing of the drainage inner tube to realize follow-up sealing; the drainage tube is convenient to dredge, is provided with a tight anti-infection structure, can effectively improve the safety and drainage effect of peritoneal drainage, and reduces the postoperative infection risk; the problems that an existing peritoneal drainage tube is prone to blockage, difficult to dredge and prone to liquid leakage are solved.

The present invention discloses a vascular clamp applicable to abdominal aorta occlusion and catheterization, which comprises two articulated clamp arms. Each clamp arm is provided with a clamp head, and each clamp head is provided with two spaced-apart clamping parts. Two clamping parts on one clamp head can be correspondingly clamped with two clamping parts on the other clamp head to form two sets of clamping members. One of the two clamping parts forming a clamping member in one set is provided with an elastic member and an adjusting member. The elastic member is arranged on the side of the clamping part close to the other clamping part forming the clamping member, and the adjusting member is connected to the elastic member and can adjust the clamping distance between the elastic member and the clamping part when the other set of clamping members maintains a clamping state. The present invention can open and block both ends of the abdominal aorta during the operation through two sets of clamping members, so as to effectively block and control the blood flow of the abdominal aorta during the operation of obtaining abdominal organs, greatly simplify the operation of establishing the abdominal aorta perfusion system, reduce the ischemic time of organs, and improve the quality of donor organs.

The utility model provides a negative pressure drainage device used for preventing peritoneal drainage liquid from exosmosis, and relates to the technical field of medical supplies, the negative pressure drainage device comprises a negative pressure container used for providing a negative pressure environment needed by drainage; one end of the drainage tube is connected with the negative pressure container, and the other end of the drainage tube is an open drainage end; the air bag is arranged around the drainage tube close to the drainage end; the air inflation assembly is used for inflating the air bag; when the inflation assembly is used for inflating the air bag, the expanded air bag can seal and fill the gap between the drainage tube and the peritoneal cavity surgical incision around the drainage tube. The device has the effect of preventing exosmosis of abdominal cavity liquid media from the surgical incision of a patient after detumescence.