172 results about "Hepatobiliary surgery" patented technology

The invention relates to the technical field of image processing, and discloses an AR technology-based precise positioning method and system for minimally invasive surgery of hepatobiliary surgery. The method comprises the steps that blood vessel network data are extracted through a medical image sequence, a three-dimensional structure diagram is generated, operation target points are marked, and a coordinate system is established; collecting dynamic data for mapping matching, and establishing a real-time tracking model; constructing an augmented reality scene and implanting a navigation path; acquiring an instrument position calculation track, and comparing with a navigation map to generate an instruction; constructing a projection interface to display the key area; recording the whole process and evaluating the operation quality. By establishing the real-time tissue deformation tracking model, a multi-source data fusion accurate positioning mechanism and an intelligent operation quality evaluation system, the accuracy and reliability of operation navigation are effectively improved.

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

The invention relates to the technical field of medical instruments, and particularly discloses a hepatobiliary surgery clinical calculus removing device which comprises a first handle, a second handle hinged to one side of the first handle and a calculus removing assembly arranged on the first handle and the second handle and used for clamping and collecting calculus. And the stone crushing assembly is arranged on the stone taking assembly, and the stone crushing assembly is used for crushing stones. According to the calculus removing device, calculus is clamped through the first handle, the second handle and the calculus removing assembly, the clamped calculus is collected through the calculus removing assembly after being clamped, and then the collected calculus is taken out from the body of a patient together, so that the calculus removing efficiency can be improved, and possible secondary injury to the wound of the patient can be prevented; and through the stone crushing assembly, large stones can be crushed, so that the stones can be conveniently collected by the stone taking assembly.

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

The present invention discloses a pressure-proof hepatobiliary surgical nursing drain, comprising a built-in box for placing a drainage bag, a plurality of pressure-proof components for resisting external pressure being evenly arranged on the outside of the built-in box, and a protective cover for protecting the pressure-proof component being arranged on the outside of the pressure-proof component. Through the use of the built-in box, the drainage bag can be placed in the built-in box to form a drain with a protective shell, thereby improving the safety of the drainage bag. Through the use of the pressure-proof component and the protective cover, the drain can be further protected, effectively resisting and dissolving external pressure, achieving a safe effect of the drain, and avoiding the occurrence of pressurized reflux. Through the use of the first locking airbag and the second locking airbag, the drainage tube connected to the drainage bag can be fixed in two ways to form a stage positioning structure, thereby effectively avoiding slippage due to external force.

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

The invention discloses a bedside drainage device for gastrointestinal hepatobiliary surgery, relates to the technical field of drainage, and solves the problem that normal drainage of the drainage device is affected due to the fact that a long drainage tube is possibly squeezed due to movement of a patient when the long drainage tube is laid on a bed. The winding structure is mounted on the outer side of the drainage tube and used for winding the drainage bag, and the winding structure comprises a mounting disc; by installing the winding structure, the connecting assembly and the positioning assembly, the situation that the long drainage tube is laid on a bed and squeezed by a patient can be avoided while drainage of the drainage tube is not affected, the drainage tube can be buffered by installing a coil spring between a winding roller and a rotating shaft, and the patient can feel more comfortable. The wound of a patient can be prevented from being dragged by the drainage tube under the action of external force, and the drainage tube can be driven to be neatly distributed on the outer side of the winding roller by installing the tube distribution structure.

The utility model provides a drainage device, belongs to the technical field of hepatobiliary surgery nursing, and aims to solve the problems that the height of an existing drainage device is inconvenient to adjust, the position of the existing drainage device is fixed, the drainage efficiency is influenced, and a drainage bag is easily full of liquid when monitoring is not timely. Comprising a device body; the fixed base is fixedly mounted at the bottom of the device main body; the locking rollers are fixedly mounted at the bottom of the fixed base; the moving plate is connected into the device main body in a sliding manner; the drainage box is fixedly mounted at the upper part of the movable plate; the drainage bottle is arranged in the drainage box; the adjusting assembly is arranged in the device main body; and the warning assembly is arranged in the drainage box. The utility model has the advantages of quick adjustment, wide application range, timely prompt and the like.

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

The utility model discloses a retractor for hepatobiliary surgery, which relates to the technical field of surgical instruments, and comprises a telescopic part, a mounting seat arranged at the top of the telescopic part, one end of a movable rod arranged at the top of the mounting seat, a telescopic retractor arranged at the other end of the movable rod, and a rotating mechanism arranged between the top end of the telescopic part and the mounting seat; the rotating mechanism comprises a rotating sleeve arranged on the peripheral face of the top end of the telescopic piece, a positioning hole formed in the inner wall of the rotating sleeve and an extrusion rod arranged on the side portion of the positioning hole, and a positioning unit is arranged on the outer surface of the telescopic piece. The adjusting mechanism is arranged between the mounting seat and the bottom end of the movable rod; the adjusting mechanism comprises a rotating shaft installed at the bottom end of the movable rod, a limiting hole formed in the end of the rotating shaft and a limiting unit arranged on the side of the limiting hole. According to the drag hook for the hepatobiliary surgery, the rotating mechanism and the adjusting mechanism are arranged, so that the angles of the blocks can be adjusted conveniently, and a doctor can operate the drag hook conveniently.

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

The present invention relates to the technical field of information system construction, and in particular to a method for constructing a hepatobiliary surgery decision support system based on case reasoning. The method comprises the following steps: obtaining historical case information data of hepatobiliary surgery and establishing a connection with a hepatobiliary surgery case library to generate a hepatobiliary surgery case decision management database; obtaining new case information data of hepatobiliary surgery input by a user and performing case feature vector conversion and KD tree similar case retrieval processing, while performing case neighbor reasoning decision support analysis to obtain new case neighbor reasoning decision support results of hepatobiliary surgery; performing system architecture development and design on the case neighbor reasoning mechanism process corresponding to the new case neighbor reasoning decision support results of hepatobiliary surgery and uploading it to a cloud platform for system integration and pilot testing to construct a hepatobiliary surgery case decision support system. The present invention can help hepatobiliary surgery cases improve the scientificity and accuracy of decision support.

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

The utility model relates to the technical field of hepatobiliary surgery nursing, in particular to a nursing support convenient to disassemble, which comprises a fixing block, a clamping component fixed on the lower surface of the fixing block, a telescopic component fixed on the upper surface of the fixing block, a fixing component fixed on one side of the telescopic component, a suspension component fixed on the upper surface of the telescopic component, and a storage component fixed on one side of the telescopic component. A bearing assembly is fixed to one side of the clamping assembly. When the device is used, a worker can rotate a rotary knob to enable a threaded rod to rotate on the inner side wall of a threaded sleeve to drive a clamping plate B to move towards a clamping plate A, the device is fixed to a certain position by reducing the distance between the clamping plate A and the clamping plate B, the device can be fixed and clamped conveniently, operation is convenient, and clamping is stable; in addition, the worker can place the pipe body on the rotating disc to be wound, then the pipe body is collected and released through a rocker on the outer side surface of the storage box, the position of the pipe body on the rotating disc is fixed through a separation block, and therefore the effect that when the pipe body is used, the pipe body is not prone to being wound and extruded, and flowing of liquid in the pipe is affected is achieved.

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

The utility model relates to the technical field of haemostat for hepatobiliary surgery, and discloses a multifunctional clinical haemostat which comprises an arc-shaped fixing plate, the left end and the right end of the arc-shaped fixing plate are both rotationally connected with arc-shaped rods, the opposite ends of the arc-shaped rods are both fixedly connected with binding belts, and the front end of the binding belt at the left end is fixedly connected with a hook-and-loop fastener. And a plurality of sliding groove blocks are fixedly connected to the upper side and the lower side of the front end of the arc-shaped fixing plate correspondingly, pressing balls are connected to the inner walls of the sliding groove blocks through first springs correspondingly, and a pressing air bag is connected to the bottom end of the arc-shaped fixing plate through an inflation assembly. According to the hemostasis bag, the inflatable bag is used for uniformly extruding the wound of a patient, so that the force required for extruding the wound by the patient is reduced, the workload of medical personnel is reduced, the hemostasis bag is convenient to replace, and the hemostasis bag is simple and quick to replace.

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

The present invention discloses a positioning device for hepatobiliary surgical operations, comprising two lateral clamping blocks, wherein the top centers of the two lateral clamping blocks are fixedly connected with a bearing block, the corresponding sides of the two bearing blocks are both opened, the inner cavities of the two bearing blocks are hinged with a fourth transmission plate near the top, the corresponding sides of the two bearing blocks are both provided with movable blocks, and the cross-sections of the two movable blocks are both concave. The present invention changes the traditional fixing method of the positioning hook installed on the steel rod of the hand bed through the lateral clamping blocks, simplifies the fixing method, avoids the problem of blocking the surgical field of view due to the problem of the traditional fixing method of the positioning hook, and can be folded and stored at the end of the operation through the mutual cooperation between the bearing block, the fourth transmission plate, the first transmission plate, the second transmission plate, the third transmission plate, and the fifth transmission plate, thereby improving practicality.

The utility model relates to the technical field of hepatobiliary surgery, in particular to a catheter fixing device which comprises a mounting block, a rectangular block and a fixing mechanism, an adjusting mechanism is arranged in the mounting block, a fixing block is arranged at one end of the mounting block, a fixing clamp and a moving clamp are arranged on the fixing block, a fixing plate is arranged below the rectangular block, and a mounting groove is formed in the rectangular block. A mounting groove is formed in the C-shaped block, a plurality of first teeth are arranged in the mounting groove, the fixing mechanism comprises a screw rod, a first L-shaped block and a second L-shaped block, a limiting ring is arranged on the screw rod, a cavity is formed in the first L-shaped block, a threaded groove is formed in the second L-shaped block, and a limiting groove is formed in the fixing plate. The distance between the first L-shaped block and the second L-shaped block is adjusted through the screw rod, so that the first L-shaped block and the second L-shaped block fix the surgical bed edge, and the fixing mode effectively prevents the situation of looseness.

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

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

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

The utility model discloses a hepatobiliary surgery nursing drainage device, including liquid storage bottle, handle, water valve and connecting pipe, the handle is fixedly connected to the right side of liquid storage bottle, the water valve is threaded connection to the top of liquid storage bottle, the connecting pipe is fixedly connected to the top of the water valve, the bottom of liquid storage bottle is movably connected with fixing mechanism. By arranging the fixing mechanism, the fixing mechanism can be fixed to an object before use, then the liquid storage bottle is placed on the fixing mechanism, operation can be more convenient during use, and the problems that an existing drainage device needs to be held by a user in the use process, multiple persons need to be matched during operation, and operation is inconvenient are solved. The liquid storage bottle fixing device solves the problem that the liquid storage bottle cannot be fixed to other objects, so that operation is very inconvenient, and has the advantage of being capable of fixing the liquid storage bottle.

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

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

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

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

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

The invention provides a hepatobiliary surgery postoperative drainage apparatus capable of preventing body fluid backflow, and belongs to the technical field of hepatobiliary surgery postoperative drainage. Comprising a drainage bottle, a liquid drainage pipe and a drainage pipe, the liquid drainage pipe is fixedly connected to the bottom of the drainage bottle, an exhaust pipe is fixedly connected to the top of the drainage bottle, a connecting belt is fixedly connected to the circumferential outer wall of the drainage bottle, a sealing plug is fixedly connected to one end of the connecting belt, and the sealing plug is matched with the exhaust pipe. A first anti-backflow assembly and a second anti-backflow assembly are arranged at the top of the drainage bottle, and the first anti-backflow assembly is communicated with the second anti-backflow assembly. According to the device, backflow drainage liquid can generate vortex and turbulent flow, energy is consumed, flowing resistance is increased, first-time backflow prevention is achieved, even if a small amount of drainage liquid passes through the conveyor, a third spring in the second backflow prevention assembly pushes a sealing piece to tightly abut against the inner wall of the top of the expansion shell, the sealing performance of the interior of the fixing shell is ensured, and second-time backflow prevention is achieved.

The utility model discloses a hepatobiliary surgery nursing support which comprises a base, a shell and a supporting plate and is characterized in that two sets of sleeves are arranged in the shell, sliding grooves are formed in the surfaces of the sleeves, telescopic columns are arranged in the two sets of sleeves, racks are welded to the surfaces of the telescopic columns, the racks are clamped in the sliding grooves of the sleeves, and the supporting plate is arranged on the base. The surface of the rack is meshed with a gear, the inner side of the gear is connected with a rotating rod in a penetrating mode, one end, penetrating through the shell, of the rotating rod is connected with a rocker, two sets of supporting rods are arranged on the outer side of the rotating rod, the rotating rod can rotate on the inner sides of the supporting rods, the bottoms of the supporting rods are fixed to the upper surface of the base, and grooves are formed in the two sides of the supporting plate. The upper surface of the telescopic column is connected with a supporting frame, mounting blocks are arranged at the two ends of one side of the supporting frame, sliding blocks are mounted on the inner sides of the mounting blocks, and the sliding blocks are clamped on the inner sides of the grooves.