956results about How to "Avoid secondary damage" patented technology

The invention provides a multi-modal image analysis-based robot-assisted wound treatment method and system, and relates to the technical field of robots, and the method comprises the steps: collecting a multi-modal image of a to-be-treated wound, determining an image registration result, obtaining a wound region image through a multi-scale fusion algorithm and wound region segmentation, and carrying out the type classification of wound tissues. A wound tissue type classification result is obtained; performing surrounding shooting on a wound area to obtain a wound multi-view image, registering subsequent depth maps frame by frame by taking a first frame of depth map as a reference, accumulating point cloud data, determining a wound three-dimensional point cloud, generating a wound three-dimensional reconstruction result by combining a curved surface evolution algorithm, and determining a wound parameter measurement result; based on the wound tissue type classification result and the wound parameter measurement result, a robot path planning algorithm is adopted, the optimal movement track of the robot is generated, the movement parameters of the robot are adjusted in real time through a robot control algorithm of vision and force feedback, and wound adjuvant therapy is completed.

The invention discloses a drug electric controlled release hydrogel patch for wound healing, and belongs to the technical field of biomedical materials, the hydrogel patch comprises sheet electrodes, conductive hydrogel, a liquid storage tank and a flexible circuit, the two sheet electrodes are respectively attached to two side surfaces of the conductive hydrogel to form a sandwich structure, and a hole is formed in the middle of one sheet electrode; the two sheet electrodes are connected to the flexible circuit through wires, and the flexible circuit controls the two sheet electrodes to generate voltage difference. The liquid storage tank is used for storing a medicine solution and comprises a liquid storage tank cavity and a liquid storage tank hole, the conductive hydrogel and the liquid storage tank cavity form a closed space through the liquid storage tank hole, one part of the conductive hydrogel is exposed outside, and the other part of the conductive hydrogel is in the liquid storage tank cavity; the conductive hydrogel is exposed outside, and the surface, attached with the sheet-shaped electrode with a hole in the middle, of the conductive hydrogel is a treatment surface facing a wound surface. The hydrogel patch can realize long-term continuous supplement of drugs in hydrogel and program-controlled drug release, and wound healing is promoted through cooperation of electrical stimulation and drug release.

The invention provides a current detection and circuit protection method and system for a chip, and relates to the technical field of chips, and the method comprises the steps: obtaining a current detection result of a target chip; comparing the current detection result with a preset current threshold value, if the target chip is over-current, adaptively determining a multi-gear protection grade corresponding to the comparison result according to the comparison result of the current detection result and the preset current threshold value, and determining a corresponding protection strategy based on the multi-gear protection grade; according to the protection strategy, an adjustable current limiting module in a power supply circuit of the target chip is controlled to gradually recover the power supply current of the target chip in stages, and whether the current detection result exceeds the preset current threshold value or not is judged when each recovery stage is ended; and if so, returning to the previous recovery stage to continue recovery until the power supply current of the target chip is recovered to the normal working state within the preset recovery time.

The invention discloses a steel member laser stripe detection method and system based on an artificial intelligence algorithm. The method comprises the following steps: S1, projecting a stripe pattern to the surface of a to-be-detected steel member by using laser projection equipment; s2, capturing laser stripe images modulated on the surface of the steel member from at least two different angles; s3, preprocessing the captured laser stripe image to eliminate noise and enhance image contrast; s4, inputting the preprocessed image into the trained artificial intelligence model; s5, outputting a defect detection result of the surface of the steel member by the artificial intelligence model; and S6, generating a quality evaluation report of the steel member. According to the method, various defects on the surface of the steel member can be automatically and efficiently identified and analyzed, the method is of great significance in improving the production efficiency, reducing the labor cost and guaranteeing the product quality, and high-precision detection and analysis of the surface defects of the steel member are achieved through the steps of image preprocessing, feature extraction, defect identification and classification.

The invention relates to the technical field of machining, and provides a titanium alloy thin-wall part machining precision automatic detection method and device. The method comprises the steps of performing heating treatment on an object to be detected and a compliant part corresponding to the object to be detected in a preset time period, and performing global shooting on the object to be detected and the compliant part in the process of performing heating treatment on the object to be detected and the compliant part, obtaining a first thermal imaging video set corresponding to the to-be-measured object and a second thermal imaging video set corresponding to the compliant part; for each first thermal imaging video, determining a target second thermal imaging video matched with the first thermal imaging video in the second thermal imaging video set, and performing comparative analysis on the first thermal imaging video and the target second thermal imaging video to obtain target difference information between the first thermal imaging video and the target second thermal imaging video; and generating a processing precision detection result corresponding to the to-be-detected object based on each piece of target difference information. The method improves the detection precision.

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 relates to the technical field of spring buffers, in particular to a springback impact prevention spring buffer which is characterized in that a pipe body and a fixing column are arranged on the surface of a positioning seat, a positioning rod is arranged in the fixing column, the surface of a supporting rod is sleeved with a limiting plate, a bottom plate is arranged at the bottom of the positioning rod, and a buffer rod is inserted into the fixing pipe; the surface of the buffer rod is sleeved with a first buffer spring, and a second buffer spring is arranged in the fixing pipe. The device has the beneficial effects that a first buffer spring and a second buffer spring are matched, a buffer rod is used for buffering and reducing impact force, then when the buffer rod is pressed to move downwards, a positioning rod can be pressed, and therefore the limiting effect of a positioning plate on a limiting plate can be lost, the limiting plate can be pushed through a second spring, and the service life of the limiting plate is prolonged. Therefore, one end of the fixing plate can be clamped into the positioning clamping groove, the buffer rod can be limited by inserting the fixing plate into the positioning clamping groove, and the situation that the buffer rod rebounds due to the fact that the first buffer spring and the second buffer spring are pressed is avoided.

The invention belongs to the technical field of medical materials, and particularly relates to a degradable wound dressing and a preparation method thereof. Compared with the prior art, the degradable wound dressing prepared by the preparation method disclosed by the invention is a completely biodegradable Janus composite film, and a hydrophobic inner layer and a hydrophilic outer layer are obtained by selecting different materials; the material PGA with excellent biological performance is utilized, the problem that electrostatic spinning cannot be carried out through pure PGA is solved, PGA and gelatin are creatively mixed, the advantages of PGA and gelatin are combined, and the PGA / Gel electrostatic spinning film which is high in toughness, high in tensile strength, good in biocompatibility and high in medicine carrying efficiency is obtained; meanwhile, the functions of resisting bacteria, resisting inflammation, discharging seepage and promoting angiogenesis are achieved, and the wound healing rate is effectively guaranteed.

The invention relates to a zero-gravity seat framework driving and passive safety method. The method comprises the steps that S1, the sitting posture of a zero-gravity seat is controlled; s2, carrying out passive safety control on the zero-gravity seat in a zero-gravity posture; step S21, when the vehicle is collided or the vehicle radar early warns that the collision is about to occur, a seat controller is utilized to confirm the current sitting posture of the seat; s22, when the seat controller in the step S21 detects that the seat is in the zero-gravity posture, the seat controller is used for controlling a seat cushion rapid return mechanism to rapidly return to the standard posture, a cushion air bag is ignited, and a secondary locking mechanism is used for preventing the seat cushion rapid return mechanism from rebounding; s23, when the seat controller in the step S21 detects that the seat is in the standard posture, the seat cushion quick return mechanism is not started; the vehicle passive safety device has the advantage that the vehicle passive safety device can be ensured to play a role by quickly returning the seat in the zero-gravity posture.

The invention discloses an electric power safety tool detection system and a detection method thereof, and relates to the technical field of electric power safety, and the system comprises the following components: a non-contact sensor array which integrates various non-contact sensors such as an infrared sensor, a laser range finder and an ultrasonic flaw detector, the infrared, laser and ultrasonic non-contact sensor arrays are respectively used for detecting the insulating property, the mechanical strength and the wear degree of the tool, and the multi-dimensional and high-precision automatic detection of the insulating property, the mechanical strength and the wear degree of the electric power safety tool is realized by adopting the infrared, laser and ultrasonic non-contact sensor arrays; according to the method, secondary damage possibly caused by traditional contact type detection to the tool is effectively avoided, particularly when the tool in the high-pressure and high-temperature extreme environment is treated, the safety of the detection process is remarkably improved through the non-contact characteristic of the method, subtle changes of the tool can be captured more accurately through non-contact type detection, and the detection accuracy of the tool is improved. Therefore, the detection accuracy and reliability are obviously improved.

The utility model provides an auxiliary device for an arthroscopic surgery in the orthopedics department. The auxiliary device comprises a needle sleeve, a puncture needle and a plurality of expansion pieces. The needle sleeve is arranged in a penetrating mode in the axial direction. The puncture needle comprises an installation rod and a tip end, the installation rod is detachably installed in the needle sleeve and penetrates through the needle sleeve, and the tip end is connected to one end of the installation rod and located outside the needle sleeve. And the plurality of expansion pieces are arranged on the periphery of the needle sleeve. According to the auxiliary device for the arthroscopic surgery in the orthopedics department, the puncture needle is adopted, after the puncture needle is installed on the needle sleeve, a medical worker can conveniently stretch the needle sleeve into the joint of a patient from the incision, and compared with the mode that the needle sleeve directly stretches into the joint of the patient from the incision, the use convenience is improved. By the adoption of the needle sleeve, in the cleaning process, the situation that a cleaning tool makes direct contact with the tissue on the inner wall of a patient incision, and consequently the tissue on the inner wall of the patient incision is secondarily damaged can be prevented, the protection effect is good, medical staff can clean the diseased part conveniently, and use convenience can be improved.

The invention relates to the technical field of agricultural information and seed and seedling cultivation, and discloses a peanut planting method for relieving continuous cropping obstacles of peanuts. The method comprises the following steps: constructing initial digital twins of a land parcel, and synchronously constructing a disease-resistant peanut variety screening and seedling pretreatment system; historical continuous cropping information, soil physicochemical and microorganism data, meteorological time sequence data and seedling cultivation parameters are fused, the system is driven to evolve into operation state digital twins, and seedling-soil-environment collaborative simulation is achieved. Evaluating the continuous cropping obstacle risk and the seedling adaptability based on the twinborn body, and generating a comprehensive diagnosis report containing a nutrient imbalance index, pathogenic bacteria abundance prediction, a root exudates cumulative effect and a seedling disease-resistant adaptation coefficient; according to the method, differentiated seed and seedling optimization, soil improvement and cultivation strategies are implemented, and management measures are dynamically optimized through real-time data feedback in a growth cycle. Through cooperative driving of digital twinning and seed and seedling cultivation, source prevention, control and intervention of continuous cropping obstacles are achieved.

The soft rehabilitation glove comprises a corrugated pipe driver, a glove body, a tendon line, a control box, a control system and a driving device, the control system and the driving device are located in the control box, one end of the tendon line is connected with the driving device, and the other end of the tendon line is connected with the corrugated pipe driver; the wall thickness of each joint section of the corrugated pipe driver is sequentially reduced from the finger root to the fingertip, the corrugated pipe driver is fixedly connected above the finger part of the glove, and the corrugated pipe driver is longer than the finger part of the glove; the control system is used for receiving an instruction of a user and controlling the driving device, and when the tendon line shrinks, the corrugated pipe driver shrinks and stores elastic potential energy, and meanwhile, the fingers are driven to stretch; when the tendon lines are loosened, the corrugated pipe drivers can extend, the elastic energy stored in the corrugated pipe drivers is released, and the fingers are driven to be passively bent. The device can avoid secondary damage and discomfort caused by overlarge force generated by active driving, has internal compliance and natural adaptability, and further has the advantages of being light in weight, easy to control, portable and the like.

The invention discloses a composite curtain wall system with a wing type decorative grating and a construction method, and relates to the technical field of decorative composite curtain walls. The method comprises the following steps of construction scheme compilation and demonstration, scheme disclosure, construction preparation, civil engineering transfer, civil engineering structure error check, surveying and setting out, post-repair embedded part installation, post-repair embedded part pull-out test, connecting part installation, keel installation and curtain wall fire prevention. Installation of a lightning protection system, hidden acceptance, installation of glass plates, installation of aluminum single plates, installation of aluminum composite plates, installation of decorative grids, and ash removal and gluing. According to the invention, in a decoration project with short construction period, accurate and rapid construction and high-quality adjustment of each unit module of the composite curtain wall are effectively realized, each component is assembled and mounted in the whole course, secondary processing procedures on site are reduced, the construction is convenient and fast, the construction efficiency of decoration, brightening and drainage projects is improved, and the construction cost is reduced. And meanwhile, secondary damage to each system component by a construction site is also avoided, and the loss rate is reduced.

The invention discloses a high-temperature-resistant ceramifiable glass fiber reinforced plastic pipeline and a preparation method thereof. The pipeline is prepared from a component A and a component B, wherein the component A is prepared from 20-35 parts of phenolic resin, 15-30 parts of bisphenol A epoxy vinyl resin, 15-30 parts of low-temperature glass powder, 1-5 parts of flame retardant, 10-20 parts of fire-resistant filler and 5-10 parts of fluxing agent; the component B is prepared from 50 to 75 parts of glass fiber, 10 to 15 parts of ethidene diamine and 5 to 15 parts of solvent. The specific preparation process of the pipeline comprises the following steps: respectively pre-mixing the component A and the component B in a stirrer, then adding the mixed component A and the mixed component B into vacuum stirring equipment, carrying out closed vacuumizing, slowly stirring, and finally, carrying out centrifugal casting, curing, demolding and cutting to obtain the pipeline. The manufactured glass fiber reinforced plastic pipeline is smooth in inner wall, few in pores and small in internal fluid flow resistance, resin and glass fibers are firmly combined, and a firm ceramic heat insulation layer can be rapidly formed on the surface layer of the pipeline in a fire disaster environment to prevent high temperature from permeating inwards, so that the structural strength of the glass fiber reinforced plastic pipeline is kept, and the fire safety is improved.

The utility model belongs to the technical field of medical instruments, and discloses a bone marrow collection device capable of quantitatively sucking, which comprises a storage bin, a suction tube, a suction tube, a suction tube, a suction tube and a suction tube, and is characterized in that the storage bin takes the shape of a hollow cylindrical shell and is used for storing collected bone marrow; the needle head and the storage bin are coaxially arranged, and the end, away from the needle tip, of the needle head extends into the storage cavity; the piston is slidably connected into the storage bin, the peripheral wall of the piston is tightly attached to the inner wall of the storage bin, a pair of push rods is fixed to the end, away from the needle head, of the piston, the other ends of the push rods penetrate through the storage bin and are slidably connected with the storage bin, and the ends, away from the piston, of the push rods are fixed to the push plate; the distance between the pull-back push plate, the push rod and the piston during bone marrow extraction is controlled by controlling and adjusting the distance between the pressing plate and the storage bin, then the amount of the extracted bone marrow is controlled, the purpose of quantitatively collecting the bone marrow is achieved, and the quantitative collection amount can be adjusted.

The invention relates to the technical field of medical devices, and provides an accurately adjustable shading device for dermatological herpes zoster phototherapy, the shading device comprises a support plate, an adjusting assembly, an efficient assembly and a sanitary assembly, the bottom of the support plate is fixedly connected with two symmetrically arranged support legs, and through the arrangement of structures such as a threaded rod and an adjusting rod, the shading device can be used for the dermatological herpes zoster phototherapy. Through the arrangement of the threaded rod, an elastic sleeve and other assemblies can be driven to integrally move in the horizontal direction, the position of the skin lesion of the human body can be directly positioned to replace a handheld treatment mode, and after basic positioning, each adjusting rod can be independently rotated according to the specific shape of the skin lesion range; when each adjusting rod rotates, the shape of the elastic sleeve can be driven to change until the elastic sleeve is adjusted to be roughly the same as the skin lesion range, finally, the elastic sleeve is attached to the skin through the electric control air cylinder, the adjustable effect is achieved, and through the technical scheme, the problems that in the prior art, shading cannot be adjusted, and the treatment effect is poor are solved.

The utility model provides an intra-articular fracture percutaneous elastic distraction reduction fixing device which is characterized by comprising a sleeve (1) with one end open and the other end sealed, a pressure piston (4) is arranged in the sleeve (1), and a power piston (5) and a power ball (6) which are correspondingly matched are arranged on one side of the pressure piston (4). A plugging device (7) correspondingly matched with the open end of the sleeve (1) is arranged on one side of the power ball (6), a second sleeve (4a) is arranged at the other end of the pressure piston (4), one end of the second sleeve (4a) extends out of the sleeve (1), and the second sleeve (4a) is connected with a first screw (8) correspondingly matched with the second sleeve (4a). The utility model has the advantages of simple structure, convenience in use and simplicity in operation, and can avoid complications such as ankylosis and the like while maintaining fracture reduction.

The invention discloses an adjusting and fixing device for dialysis tubes, and relates to the technical field of medical equipment.The adjusting and fixing device comprises a winding and fixing mechanism and a connecting support installed on one side of the winding and fixing mechanism, an adjusting and fixing mechanism is arranged on one side of the winding and fixing mechanism, and a lifting support is arranged at the top of the adjusting and fixing mechanism; the winding fixing mechanism comprises a winding support, a shrinkage sliding groove is formed in the periphery of the interior of the winding support, a shrinkage sliding rod is fixedly installed in the shrinkage sliding groove, a shrinkage spring is fixedly installed in the middle of the shrinkage sliding rod, and shrinkage sliding sleeves are fixedly installed at the two ends of the shrinkage spring. The rotation of the first clamping support can be achieved, meanwhile, the limiting of the first clamping support can be achieved, and the rotation direction of the clamping rotating arm can be conveniently changed, so that the device is suitable for dialysis tubes with different spiral turns, and when the dialysis tubes are pulled, due to the fact that the dialysis tubes are spirally wound on the contraction arc-shaped plates, the dialysis tubes can be conveniently clamped. The phenomenon that the dialysis tube is damaged due to pulling can be avoided.

The invention provides a magnetic suspension cushioning road condition sensing and active suspension method for an ambulance, and the method comprises the steps: dynamically calculating the current intensity control quantity of each electromagnetic coil according to the injured part of a patient, the injury degree information and the conditions of other uninjured parts of the body through a fuzzy control algorithm, exerting small supporting force on the seriously injured part, and carrying out the dynamic suspension of the patient. Normal supporting force is maintained for uninjured parts; the stretcher position of the injured part is recognized, a directionally focused ultrasonic standing wave field is generated under the sensitive injured part through a phased array ultrasonic transducer array, miniature suspension points are formed on the surface of the body of a patient according to the acoustic suspension principle, local stress is further relieved, and secondary injury to the fracture part is avoided.

The invention belongs to the technical field of machining equipment, and discloses a cutting line tensioning device which comprises a device body, a U-shaped connecting plate is installed on one side of an inner cavity of the device body, a U-shaped output plate is installed on one side of the U-shaped connecting plate, and a tensioning groove is formed in one side of the U-shaped output plate in a penetrating mode. According to the silicon single crystal square rod cutting device, a motor is started to drive a threaded rod to rotate, a connecting block can be driven to slide downwards in a mounting groove through rotation of the threaded rod, and a U-shaped output plate is driven to slide downwards through the connecting block to cut a silicon single crystal square rod through a cutting line; when the U-shaped output plate slides downwards, the cutting line firstly makes contact with the single crystal silicon square rod and enters the cutter feeding section, at the moment, the cutting line is in a relaxed state to cut the single crystal silicon square rod, and the situation that the cutting line exerts too large pressure on the surface of the single crystal silicon square rod due to too high tensioning force is avoided; and surface cracks or irregular cutting marks are caused when the cutting lines cut into the material.

The utility model discloses an auto-induction inflatable medical restraint strap, which belongs to the technical field of medical auxiliary devices and comprises a watchband component, a watch body component, an air bag component and a control component. The watchband assembly, the watch body assembly and the air bag assembly are matched to surround four limbs of a patient; the air bag assembly is in contact with four limbs of a patient; the control assembly is used for controlling the air bag assembly to apply proper pressure to the four limbs of the patient; and a connecting assembly is arranged on the watchband assembly. The automatic induction inflatable medical restraint strap can effectively solve the problems that in clinical restraint in the prior art, restraint randomness is high, restraint tightness accuracy is difficult to control, single nurse operation is inconvenient, restraint tools are complex to install and the like.

The invention relates to the technical field of information and data processing, and discloses an intelligent recommendation method and system for a bone fracture rehabilitation training plan based on traditional Chinese medicine, and the method comprises the steps: dividing image information according to labels, and obtaining skeleton data sets with different functions; taking the first position information and the second position information as a special information set; deleting the special data set from the skeleton data set to obtain a target data set; obtaining position information of the bones to be subjected to bone fracture rehabilitation training from the target data set, and selecting matched contents such as shadowboxing, eight-section brocade or five-poultry play from a pre-stored traditional Chinese medicine rehabilitation training database; deleting related actions of the second position information from an action data set corresponding to the content; guiding the trainee to perform bone fracture rehabilitation training through the visual terminal; the system comprises a first data set construction module, a second data set construction module and a target action output module. According to the bone fracture rehabilitation training system and method, biological feature recognition and personalized, precise and systematic bone fracture rehabilitation training are achieved.

The invention relates to the technical field of surgical aspirators, and discloses a neurosurgical aspirator which comprises an aspiration body and further comprises a shell, the aspiration body is arranged in the shell, a positioning assembly is arranged between the aspiration body and the shell, a plurality of sliding grooves are formed in the shell in a penetrating mode, and the positioning assembly comprises a positioning ring, a locking ring, a connecting ring and a plurality of connecting rods. The connecting rods are arranged in the sliding grooves respectively, the locking ring is in threaded connection with the outer wall of the shell, the positioning ring is arranged at the ends, close to the locking ring, of the connecting rods, the connecting ring is arranged at the ends, away from the locking ring, of the connecting rods, and the attraction body is located in the connecting ring. By forming the sliding groove in the shell, the connecting rod is slidably installed in the sliding groove, the position of the connecting rod in the sliding groove is adjusted through the connecting ring, then the length of the positioning ring and the length of the suction body are controlled, a doctor can suck wounds with different depths conveniently, and meanwhile the positioning ring is matched to prevent the suction body from making direct contact with nervous tissue; and secondary injury in the operation process is prevented.

The invention discloses a bone fracture patient nursing transfer device, and relates to the technical field of medical instruments, the bone fracture patient nursing transfer device comprises a transfer bed body, the bottom of the transfer bed body is fixedly connected with a plurality of supporting legs, and one side of the transfer bed body is movably connected with a headrest part for placing the head of a wounded person. Firstly, the position between the injured leg supporting plate and the leg bending plate is adjusted according to the position of the injured leg side of a wounded person, then the wounded person lies on the transferring bed body on the side, the head is located at the headrest part, the back or the abdomen of the wounded person is attached to one side of the opened side top plate, and then the injured leg is placed on the injured leg supporting plate at the position below; when a patient is injured, the other good leg can be bent and placed on the bent leg plate, then the side check block slides towards one side so that the side check block can be attached to the back or the abdomen of the patient, then the injured leg part, the uninjured leg part and the trunk part of the injured person are fixed through the trunk binding assembly, the injured limb binding assembly and the good limb binding assembly in sequence, and secondary injury is avoided.

The invention discloses pipeline arrangement and storage equipment which comprises a fixing belt, a first rubber plate is fixedly arranged on one side of the fixing belt, a winding mechanism is arranged below the side, away from the fixing belt, of the first rubber plate and stores the redundant part of a catheter, a pocket is arranged below the first rubber plate, and a sealing belt is fixedly arranged on the side, close to the fixing belt, of the inner wall of the pocket. A second rubber plate is fixedly arranged on the side, close to the fixing belt, of the top face of the pocket, fixing mechanisms are arranged on the upper portions of the first rubber plate and the second rubber plate, and the upper end and the lower end of the catheter are fixed to the first rubber plate and the second rubber plate through the fixing mechanisms respectively. The two ends of the catheter can be fixed through the fixing mechanism, secondary injury to a patient caused by separation of the catheter from the body surface fistulization position of the patient when the catheter is pulled by external force is avoided, meanwhile, leakage caused by breakage of an inlet of a urine bag due to separation of the catheter and the urine bag is prevented, the body health of the patient is protected, and the patient is protected. And the protection on the medical environment is also improved.

The utility model relates to an in-vitro drainage device for the hepatobiliary surgery department. The in-vitro drainage device comprises a disposable liquid storage bag and a connecting pipe. The upper portion of the disposable liquid storage bag is provided with a connecting opening, the connecting opening protrudes out of the surface of the disposable liquid storage bag and is provided with a rigid shell, and a stepped hole is formed in the shell. An inner tube extends downwards from the stepped hole, and the bottom of the inner tube is close to the inner bottom of the liquid storage bag; one end of the connecting tube is detachably and fixedly connected with the connecting port, and the other end of the connecting tube extends into the body of a patient for drainage. Compared with an existing disposable liquid storage bag, the drainage bag and the drainage tube are designed to be of a structure capable of being easily detached, when the drainage bag is full, the drainage bag can be directly and independently detached and replaced, and a whole set of drainage device communicated with the drainage tube does not need to be replaced; meanwhile, liquid at the joint of the connecting pipe and the liquid storage bag is prevented from spilling and leaking through the good sealing design, and medical staff can use the device conveniently.

The invention discloses an automatic assembling device for a working island type production line, and relates to the technical field of automobile production. The device comprises an adjusting mechanism, the top end of the adjusting mechanism is fixedly connected with a mechanical arm mechanism in an inserted mode, the mechanical arm mechanism is provided with an emergency stop mechanism used in cooperation, the tail end of the mechanical arm mechanism is provided with a rotating mechanism used in cooperation, and the rotating mechanism is provided with a first clamping mechanism and a second clamping mechanism which are used in cooperation. Through arrangement and use of the adjusting mechanism, the adjusting sliding frame can be driven to horizontally move, so that the mechanical arm mechanism can be driven to horizontally move through the adjusting sliding plates and the adjusting transverse frame, the four adjusting sliding plates can be driven to synchronously ascend and descend, and then the mechanical arm mechanism can be driven to synchronously ascend and descend through the adjusting transverse frame; and horizontal adjustment and vertical adjustment of the position of the mechanical arm mechanism are further achieved, so that different use requirements can be met, and the practicability of the automatic assembling device for the working island type production line is effectively improved.

The invention relates to injectable high-strength hydrogel for bone tissue repair and a preparation method of the injectable high-strength hydrogel, a poly (hydroxyethyl acrylate-methyl acrylate) random copolymer is prepared through solution polymerization, the copolymer is fully swelled in water to obtain physical cross-linked hydrogel, and the injectable high-strength hydrogel is injectable and gelling in vivo under the action of shear thinning. And the water spitting of the gel is enhanced under physiological conditions. And mixing bioactive glass capable of forming hydrogen bond crosslinking with the copolymer to prepare the injectable high-strength hydrogel. The hydrogel not only can provide good support for a bone defect part, but also can promote proliferation and differentiation of internal cells of the bone defect part. The hydrogel disclosed by the invention is simple to prepare, convenient to operate, rapid in response, good in biocompatibility, relatively good in self-repairing capability, injectable and small in minimally invasive injury, and has a good application prospect in the field of irregular bone defect repairing.