163results about How to "Surgical safety" patented technology

The invention provides an aortic valve device conveyed by a catheter. The aortic valve device comprises a main support, wave leaflets and a skirt. The valve leaflets are fixed to the inner side of the middle of the main support. The skirt is fixed along the periphery of the inner side of the main support and fixed to the valve leaflets. An upper horn mouth structure in a three-valve form is formed by the upper end of the main support. Three circular connection jaws used for loads of the main support are arranged at the tail end of the horn mouth structure. A lower horn mouth structure used for reducing outward expanding of perivalvular leakage is arranged at the bottom end of the main support. Three lower end circular connection jaws are arranged at the lower end of the lower horn mouth structure. The aortic valve device further comprises a positioning ring located on the lower side of the main support and used for conducting positioning. The positioning ring comprises three V-shaped or U-shaped arc sections. The ends of the V-shaped or U-shaped arc sections are connected to form an annular shape. Three positioning circular connection jaws are formed at the ends. The lower end circular connection jaws are connected with the corresponding positioning circular connection jaws through flexible positioning lines respectively.

The invention discloses a claw-shaped sternum fixator. The claw-shaped sternum fixator comprises an inner claw gripping plate and an outer claw gripping plate, the outer claw gripping plate is provided with a socket with a tooth socket portion, the inner claw gripping plate is provided with a tooth inserting portion which is matched with the tooth socket portion through insertion, the inner claw gripping plate achieves insertion connection through the matching of the tooth inserting portion and the tooth socket portion, first saw teeth are arranged inside the tooth socket portion, the tooth inserting portion is provided with second saw teeth matched with the first saw teeth, the inner claw gripping plate is further provided with a lock loosening fastener and a lock loosening hole, the lock loosening fastener and the lock loosening hole are matched with each other, and the lock loosening fastener is hinged to the inner claw gripping plate; when the lock loosening fastener moves relative to the inner claw gripping plate to enter into the lock loosening hole in a matching mode, the first saw teeth of the tooth socket portion are engaged with the second saw teeth of the tooth inserting portion to facilitate the tight fit of the inner claw gripping plate and the outer claw gripping plate. The claw-shaped sternum fixator can be locked, fixed and opened without any auxiliary tools, reduces operation time, wins precious time for rescue of patients, improves achievement ratios of operation, can be used for conveniently adjusting folding width of thoracotomy, is convenient and stable in fixation.

A hooked steel plate for treating the bone fracture and luxation of sternoclavicular joint is a curved steel plate with a L-shaped hook at its one end and a flat arc structure and another end.

The invention discloses an aortic valve membrane device conveyed through a catheter. The aortic valve membrane device comprises a support frame, valve leaflets fixed on the inner side of the middle of the support frame and skirt edges which are fixed in the periphery of the inner side of the support frame and fixed with the valve leaflets, wherein the upper end of the support frame is of a three-valve type upper horn mouth structure, three circular connecting claws used for loading of the support frame are arranged at the tail end of the upper horn mouth structure, exposed circular-arc-shaped positioning rods which extend in the bottom end direction of the support frame are arranged on the outer side of the middle of the support frame, and a lower horn mouth structure used for reducing outward expansion of perivalvular leakage is arranged at the bottom end of the support frame.

The invention provides a left atrial appendage occlusion device which comprises a left plate surface and an outer plate surface. The inner plate surface and the outer plate surface are braided by shape memory silk threads. The centers of the inner plate surface and the outer plate surface are connected through a connecting part. The connecting part is a prefabricated rod. The inner plate surface and the outer plate surface are respectively fixed at two ends of the connecting part. A flow choking membrane is disposed in each of the inner plate surface and the outer plate surface. A connector is disposed on the outer plate surface. Preferably, the inner cavity of the connecting part is communicated with the through hole of the connector to form a conveying passage. The left atrial appendage occlusion device has the advantages the device is implanted from the outer side of left atrial appendage in an minimally invasive manner, a doctor can see the left atrial appendage directly, surgery process is simplified, surgery safety is increased, and the pains of a patient is greatly relieved; due to the fact that the device is provided with the conveying passage, medicines or development agents can be injected into a human body conveniently during a surgery.

The invention discloses an aortic valve device conveyed by a catheter. The aortic valve device comprises a supporting frame, valve leaflets fixed to the inner side of the middle part of the supporting frame, and skirt rims which are fixed along the periphery of the inner side of the supporting frame and fixed to the valve leaflets. An upper horn mouth structure in a three-valve form is formed at the upper end of the supporting frame. Three round connecting claws used for loading the supporting frame are arranged at the tail end of the upper horn mouth structure. A tentacle structure expanding outwards and assisting location by clamping a valve ring is arranged at the outer side of the middle part of the supporting frame. A lower horn mouth structure used for reducing pervalvular leakage and expanding outwards is arranged at the bottom end of the supporting frame.

The invention provides a control method of a medical filling pump and a system using the control method. The system comprises an adaptive controller, a pressure monitoring device, a flow rate monitoring device, a control signal actuator and a filling pump; the pressure of a filling point can be accurately calculated according to output pressure of the filling pump, output flow rate of a filling pipeline of an endoscope, and static water pressure generated under the relative height between the output of a filling pipeline and the filling pump, so that the output flow rate of the filling pump can be accurately controlled according to the pressure of the filling point; the pressure monitoring device is not needed to be conveyed to a working point together with the endoscope, so that the manual operation can be effectively simplified, and the circumstance that the sensor is mechanically interfered to cause inaccurate measurement and is easily impacted by mistake by laser and damaged and even falls into the body can be avoided; in addition, the warning can be proposed according to the in-vivo pressure obtained by calculation and by setting and automatically adjusting the output flow rate, pressure and other indexes of the filling pump, thus the security can be ensured, and moreover, a small channel can be adopted, and as a result, a wide video field and high efficiency can be achieved.

The invention discloses an artificial hemi-pelvic prosthesis which comprises a fixed base and a spherical cup and further comprises a connecting body which is used to connect the fixed base and the spherical cup, and a screwing piece. The connecting body is composed of two plate type connecting arms which are fixed into a whole body. Each plate type connecting arm is provided with a bolt through hole which matches with the screwing piece. The angle between the axes of the two bolt through holes is 75-90 DEG C. The side of one of the plate type connecting arm, which is not provided with a bolt through hole, is connected with the side of the other plate type connecting arm, on which the bolt through hole is arranged, and the angle between the two sides is at least 90 DEG C. The two plate type connecting arms of the connecting body are connected with the fixed base through the bolt through holes respectively by the screwing piece and the spherical cup. The artificial hemi-pelvic prosthesis is simple to assemble and the angle can be adjusted at two approximately perpendicular planes, thus large in flexibility degree. The artificial can satisfy the requirements of operation emergencies, and is convenient to install, and can save time, quicken the process of the operation and make the operation safer.

The invention provides a three-dimensional fuzzy control device and method of a minimally invasive vascular interventional surgery catheter robot and belongs to the field of minimally invasive vascular interventional surgery robot control. The three-dimensional fuzzy control device comprises a master manipulator device, an upper computer, a secondary terminal DSP (Digital Signal Processor), a first motor, a second motor, a third motor and an attitude sensor. According to the three-dimensional fuzzy control device and method of the minimally invasive vascular interventional surgery catheter robot, the defects of a PID (Proportion Integration Differentiation) control method and a two-dimensional fuzzy control method when a catheter operation robot is controlled are overcome, the control accuracy of the catheter operation robot is improved, and accordingly the operation accuracy on a catheter can be improved, the effect on the catheter movement of environmental factors such as the breathing and the heartbeat of a patient can be reduced, the overshoot caused by catheter operation of an operator can be reduced, and accordingly the surgery can be accurate and safe.

The invention discloses an orthopedic operating table. The orthopedic operating table comprises a supporting base, a head backing plate, a back backing plate, leg backing plates and foot backing plates; the head backing plate is supported at the bottom of the back backing plate, the head backing plate and the leg backing plates are connected to the two ends of the back backing plate respectively, and the foot backing plates and the back backing plate are connected to the two ends of the corresponding leg backing plates respectively. Hand carrying frames are arranged on the two sides of the head backing plate; arm fixing frames are arranged on the two sides of the back backing plate, and a body warming cover with an electric heating device is hinged to the arm fixing frame arranged on one side of the back backing plate; shoulder fixing frames are arranged on the portions, close to the head backing plate, of the back backing plate; body fixing frames are arranged on the portions, close to the arm fixing frames, of the back backing plate; a cleaning pipe is arranged on the back backing plate, one end of the cleaning pipe is externally connected with cleaning liquid, and the other end of the cleaning pipe can stretch to all positions of the orthopedic operating table; leg fixing frames are arranged on the two sides of each leg backing plate. The orthopedic operating table is simple and reasonable in structure, can firmly fix a patient and has cleaning and warm keeping functions.

The invention relates to the technical field of orthopaedic medical treatment instruments, in particular to a special tool used by an internal and external fixation instrument for orthopaedic medical treatment. The special tool comprises a three-jaw annular grab, a tapping drill, a graduated scale, a drill fixture, a quick connector, a nail grasping elastic cannula, a screwing-out pipe, a left-right revolving straight type screwing rod or a left-right revolving ratchet screwing rod, and a short screwing rod or a long screwing rod, wherein the three-jaw annular grab is used for maintaining a fracture alignment after restoration; the tapping drill is used for drilling a threaded bone hole on the fracture alignment position; the graduated scale is used for measuring the depth of the threaded bone hole; the drill fixture is used for chucking the tapping drill; the quick connector is used for quickly replacing the drill fixture; the nail grasping elastic cannula is used for transferring a bone-joining nail or a bone-joining needle into the threaded bone hole; the screwing-out pipe is used for screwing out the broken bone nail or the broken bone needle which is positioned in the threaded bone hole; the left-right revolving straight type screwing rod or the left-right revolving ratchet screwing rod is matched with the screwing-out pipe; and the short screwing rod or the long screwing rod is matched with the left-right revolving straight type screwing rod or the left-right revolving ratchet screwing rod. The special tool used by the internal and external fixation instrument for the orthopaedic medical treatment can reduce the iatrogenic injury as much as possible, shorten the operation time, relieve the patient pain and ensure the rapidity and the safety of the operation.

The invention relates to a universal robot for interventional radiography and treatment operations, overcomes the defects that an existing interventional operation robot cannot complete the two processes of interventional operation at the same time and detects axial friction force stress of a guide wire, and solves the problems that a stress detection device is difficult to install and cannot meetclinical requirements, and a robot in an actual operation is complex in structure, and the size is too large and is not suitable for an actual operation environment. The general purpose of radiography surgery and treatment surgery is realized, the overall structure is simple, the stability is good, the modular structure design is adopted, disassembly and assembly are simple and convenient, the size is small, and the surgical instrument is very suitable for surgical environments. The push-pull force of the micro-force sensor is measured through a main end, the stress change condition of the axial friction force of the guide wire is judged, a doctor can be reminded of operation in time, and the safety of a patient is protected. The clamping degree of the guide wire can be adjusted at any time according to values fed back by a slave-end high-precision weighing sensor, the slipping phenomenon is prevented, and the requirement of vascular interventional operation for the guide wire can bemet.

The bloodless liver exsector has one exsector head, one water control button connected through water pipeline to the exsector head, one main control button connected through wires to the exsector head, one power source with circuit board, one suction tube set in the front end of the exsector head, one suction cap covering the front end of the exsector bar and communicated with the suction tube and one flushing tube. During operation, the suction cap with negative pressure sucks out the liquid and other rabbish in the operational view field, and the liver exsector exsects liver tissue while blocking small blood vessels and coagulating electrically for hemostasis. The operation process has clear view field and is safe, and the bloodless liver exsector has compact structure, small size and easy operation.

The invention discloses a stapler handle device having an insurance mechanism. A driving handle includes a handle driving part; an insurance unlocking block can move between a locking position and anunlocking position; a handle limit member can move between a blocking position and a separation position; the limit member contacting part of the handle limit member is in contact cooperation with theinsurance unlocking block, and when the insurance unlocking block is at the locking position, the limit member limit part is arranged on one side of the handle driving part to stop the handle drivingpart to move to the far end; the insurance unlocking block can drive the handle limit member from the blocking position to the separation position when moving from the locking position to the unlocking position, and the handle driving part can move to the far end without being blocked by the handle limit member; and when the handle driving part moves to the far end, the insurance unlocking blockcan be driven to move from the unlocking position to the locking position. Through the linkage and cooperation of the driving handle, the handle limit member and the insurance unlocking block, secondary firing caused by the misoperation of operators can be prevented, so that safer and more reliable surgical procedure can be realized.

The invention discloses a surgical robot system based on cloud data technology and an operation method. The surgical robot system comprises a surgical robot host, mechanical arms, a surgical instrument and a camera, cloud data, a surgical doctor, a three-dimensional camera and a three-dimensional display screen; the operation method comprises the following steps: finding previous cases by a surgical robot according to the type of surgery needing to be done, diseases conditions and properties from the cloud; after selecting an optimal scheme, reviewing the scheme by the surgical doctor; in a surgery process, demonstrating each step of operation by the robot after cloud data analysis and learning; after the robot obtains the permission of the surgical doctor, carrying out actual execution, wherein the surgical doctor can interpret the progress at any time to improve the operation. According to the surgical robot system disclosed by the invention, deep learning can be carried out according to surgery big data; the surgical robot capable of automatically performing a surgery task can finally replace a mechanical arm robot to do better, safer, more rapid and more accurate surgeries forhuman beings.

The invention discloses a plasma scalpel. The plasma scalpel comprises a handle, a plasma scalpel rod body and an electrode assembly. A near end of the plasma scalpel rod body is connected to the handle, the far end of the plasma scalpel rod body is provided with the electrode assembly, the electrode assembly comprises a loop pole, a silk-thread-shaped emitting electrode and an insulating part connected to the far end of the plasma scalpel rod body and used for electrically insulating and separating the loop pole from the emitting electrode, and the emitting electrode integrally bends in an arc shape from the far end face of the insulating part and extends to the far end side face of the insulating part. The plasma scalpel disclosed by the invention can be used for accurately carrying outsurgical operation on diseased tissues, accidental injury to normal tissues can be effectively avoided, the emitting electrode can form plasma in multiple specific directions, different parts of the emitting electrode can be used for carrying out the surgical operation on target tissue, such as throats, which are not easy to expose, the surgical operation precision is high, the effect is good, surgical instruments do not need to be replaced during surgery, the surgical operation efficiency is high, the surgical time is shortened, and the surgical expenditure is saved.

The invention discloses a douching device for the general surgery department. A douching head is in threaded connection with a hose joint; the hose joint is fixedly connected with a hose; an electromagnetic heating device is installed at the right side of a liquid level bottle; a micro booster pump is fixedly connected with the liquid level bottle through a gas conveying pipe; a detector is installed at the upper end of the interior of the douching head; and a lens is installed at the lower end of the interior of the douching head. According to the douching device, the shell of the douching head has high flexibility, so that a wound surface will not be scratched by the douching head, and the response of a human body can be decreased; accurate cleaning can be performed based on the lens and the detector; results are not obtained based on the judgment of a doctor according to experience, and accurate results can be obtained through the analysis of an analysis recognition circuit and can be displayed by a display screen; and the doctor can make accurate judgment and perform cleaning through the display screen. The douching device of the invention has the advantages of simple structure and convenient use. With the douching device adopted, continuity in a surgery can be realized, and flow rate can be controlled, and the temperature of douching fluid can be also controlled.

The invention discloses a fixing device for animal husbandry and veterinary inspection, which comprises an inspection table, and the four corners of the bottom end of the inspection table are provided with support rods, the surface of the support rod is provided with protruding blocks, and the bottom end of the support rod is provided with a base , the bottom end of the support rod is sleeved in the base, the top end of the base is provided with an electric hydraulic cylinder, and the top end of the electric hydraulic cylinder is provided with a support plate. The present invention arranges the clamping device to place the limbs of the livestock in the clamping groove and shorten the electric telescopic rod, so that the guide rod drives the clamping plate to approach the clamping groove and then clamp the limbs, so that the limbs of the livestock can be fixed better , prevent domestic animals from moving around, and make it safer for veterinarians to perform operations on livestock. The limbs of livestock can be protected by setting buffer devices and protective pads to prevent the limbs of livestock from being injured. By setting the electric hydraulic cylinder, the electric hydraulic cylinder is activated to raise the height of the inspection table Save people's energy.

The invention provides automatic purse string clamp which comprises a tool body and further comprises a swing arm shaft, a cam, a suture needle, a movable slide block and a line clamping slide block. The swing arm shaft and the cam are both connected with a central shaft of the tool body, the suture needle is connected with the swing arm shaft, the movable slide block and the line clamping slide block are both arranged on the tool body, the movable slide block is in slide fit with the tool body and can drive the line clamping slide block to move downwards, a suture needle hole is formed in the line clamping slide block, a suture sleeve groove is formed in the inner side of the suture needle hole, a suture sleeve is arranged at the tail end of a suture of the automatic purse string clamp, and the suture sleeve is arranged in the suture sleeve groove, and a notch is formed above the suture needle hole. The automatic purse string clamp can enable the suture to penetrate tissues to finish operation without using a suture nail, so that the phenomenon that the suture nail falls down is avoided, and accordingly the automatic purse string clamp enables the operation to be finished safely and reliably.

The invention relates to an integrated bone cement electric stirring and propelling plant and an application thereof. A stirring device is arranged in a stirring cavity and is formed by foldable blades; the rear end of the stirring cavity is provided with a rear end cover, and the other end of the stirring cavity is provided with a front end cover on which a luer connector is formed, and a front cap is arranged on the luer connector. According to the integrated bone cement electric stirring and propelling plant provided by the invention, the two process, including stirring and injection, can be completed; furthermore, the luer connector formed in the front end cover can be connected with necessary equipment to directly push bone cement to a needed position, therefore the integrated bone cement electric stirring and propelling plant is convenient to operate, the time of operation can be shortened, the patients suffering can be alleviated, the technical requirements of the operation can be relatively reduced, the working strength of doctors can be reduced, and the operation is safer; in addition, the foldable blades can be folded along with the pushing and extracting process, and holes are formed in the foldable blades, therefore the bone cement can be uniformly and effectively mixed.

The invention discloses an incision protector having a smoke discharge function. The incision protector comprises an upper locating ring, a lower locating ring, a protecting membrane and a smoke discharge system. The smoke discharge system comprises a smoke inlet, a smoke discharge passage and a negative-pressure connecting port. The smoke discharge passage of the smoke discharge system moves downwards along the edge of the upper locating ring, fits to the edge of the protecting membrane and reaches the lower locating ring; and the smoke inlet is arranged on or nearby the lower locating ring.Smoke, which is generated from operations, enters the smoke discharge system via the smoke inlet and is sucked out of a body from the negative-pressure connecting port along the smoke discharge passage, so that interference of smoke to a thoracoscope is avoided and a clear operative field is guaranteed in an operating process; and a good protecting effect can be achieved on patients and doctors, so that the operating process becomes more convenient and safer.

The invention relates to an expanding type vertebral body shaper, comprising a mandrel, an ejector sleeve and a propped-open ball, wherein the ejector sleeve is sleeved on the mandrel; the propped-open ball is made from developer doped with high polymer medical plastics; the left end of the propped-open ball is fixed on the left end head of the mandrel, and the right end thereof is fixedly connected with the left end head of the ejector sleeve in a detachable manner; when the ejector sleeve is arranged at the right side of the mandrel, the connecting bars of the propped-open ball main body are in an unfolded state, and the connecting bars of the propped-open ball main body are in a curled state when the ejector sleeve is arranged at the left side of the mandrel. The invention can be added with a protection jacket which comprises a sleeve and a latex coat, the latex coat is provided with a sealed left end and a right opening, the right section of the latex coat covers the outside of the sleeve, and the left section thereof is arranged at the left of the left end of the sleeve, thus being a latex rubber nipple which is propped open inside. The invention also can be added with a gun-shaped casing and a control component to simplify the expanding operation of the propped-open ball. The expanding type vertebral body shaper is convenient, safe and reliable.

The invention relates to a pneumoperitoneum-free puller, which belongs to a pneumoperitoneum-free puller for laparoscopic surgery and belongs to the technical field of medicinal instruments. The pneumoperitoneum-free puller consists of a bracket, a permanent seat, a steering chain device and a hanging rod, wherein the bracket is connected with a bedstead through the permanent seat, the bracket is provided with the steering chain device and a mounting hole, and the hanging rod is arranged on the steering chain device and / or the mounting hole. The pneumoperitoneum-free puller has the advantages of reasonable structural design, free pneumoperitoneum, little wound, good effect, convenient surgery use, safety and reliability.

The invention discloses a combined hemostasis apparatus. The combined hemostasis apparatus includes a plurality of hemostasis assemblies capable of being used in combination; each hemostasis assemblyis provided with at least one pair of electrodes used for electrifying hemostasis; each pair of electrodes includes a working pole and a circuit pole. According to the combined hemostasis apparatus provided with the structure, each hemostatic assembly can be used separately, and also in combination, the number of combinations is unlimited and the forms of the combinations are various, and the needs of ablation areas with different sizes and shapes can be satisfied; and the method of hemostasis can adopt inserting into tissue to conduct deep hemostasis, can further adopt flatting against on thetissue to conduct superficial large area hemostasis, and is suitable for various hemostasis situations.

The invention relates to a multifunctional vertebral body former, which comprises a balloon structure and a conveying pipe structure, the conveying pipe structure comprises a shape memory alloy pipe,a sliding block and an outer pipe adjusting handle, a balloon outer pipe and a balloon are sleeved with the shape memory alloy pipe, and the near end of the shape memory alloy pipe is fixedly connected with the far end of a sliding block; the near end of the sliding block is detachably connected with the balloon structure through a first clamping lug; the outer surface of the sliding block is provided with a threaded structure, the outer surface of the sliding block is sleeved with an outer tube adjusting handle with an internal threaded structure, the outer tube adjusting handle is rotated todrive the sliding block to move front and back, and therefore the protruding amount of the far end of the shape memory alloy tube relative to the far end of an outer tube and the protruding amount ofthe far end of the balloon relative to the far end of the shape memory alloy tube are controlled. The multifunctional vertebral body former is simple in structure and easy to operate, vertebral dilation of a bone drill and pre-dilation of a balloon catheter are integrated on one instrument, surgical operation is simplified, surgical time is shortened, surgical efficiency is improved, and meanwhile physical requirements of doctors and economic burdens of patients are reduced.

The invention discloses a degradable cardiac patent foramen ovale plugging device and a manufacturing method thereof. The degradable cardiac patent foramen ovale plugging device is made of degradable silk and comprises a main body part, a flow blocking part and a suture line. The main body part comprises a net body and a connecting piece, wherein the net body comprises a first disc-shaped portion, a tubular portion and a second disc-shaped portion which are sequentially connected, and two ends of the tubular portion are respectively connected to the centers of the first disc-shaped portion and the second disc-shaped portion; the flow blocking part is at least two layers of degradable films or non-degradable films for blocking blood flowing; the degradable cardiac patent foramen ovale plugging device is made of a special die; the special die comprises a core die; and the core die comprises a first cover body, a central part, a second cover body and a central column body. The degradable cardiac patent foramen ovale plugging device is shaped through the special die, and the degradable cardiac patent foramen ovale plugging device is simple, quick and low in cost.

The invention discloses an adjustable head fixing device for ophthalmic surgery, and belongs to the technical field of ophthalmic surgery. The adjustable head fixing device includes a base, a first groove is formed in the upper surface of the base, and the lower surface of the inner wall of the first groove is overlapped with the lower surface of a concave panel, a threaded sleeve is slidably connected in the first groove, and the inner wall of the threaded sleeve is threadedly connected with the surface of the concave panel. According to the adjustable head fixing device for ophthalmology surgery, by arranging the base, a pillow block, a threaded rod and a second turntable, the second turntable is first rotated so that the second turntable drives a slider to move left and right through the threaded rod, a turning block rotates through a pin shaft, the angle of the pillow block is shifted by a telescopic plate, the pillow block starts to slide on balls on the concave panel, and the left and right deflection angles of a head can be adjusted by turning in different directions and the number of turns. The left and right angles of the head can be adjusted finely in time to enable the operation to more convenient and safe for staff.