18 results about "Thoracoscopic procedure" patented technology

The invention discloses a split animal lung thoracoscopic surgery simulation training model and a use method thereof. The split animal lung thoracoscopic surgery simulation training model comprises a simulation surgery unit and a power unit. The simulation operation unit is composed of an outer cover, a lung containing cavity and a bottom plate, is provided with an intercostal channel and a liquid taking and discharging opening, and is further provided with an artery, a vein, a trachea, a water injection and overflow plate penetrating connector and a detachable water leakage partition plate. The power unit comprises an air pump, a blood circulation motor, a water adding motor, a blood powder water tank and a water purifying tank to form an air path, blood powder water circulation and a perfusion and overflow loop; the gas circuit is provided with a pressure valve, a dryer and a mucus buffer box, and the drainage loop is provided with a normally-open solenoid valve. During use, low-flow blood circulation and pressure-limiting ventilation self-inspection are performed before an operation; during operation, a gas path is closed for endoscopic operation, and exudation / bleeding is recovered to a blood powder water tank; and after operation, ventilating and filling pure water until overflowing, judging air leakage by bubbles underwater and judging errhysis by color difference. The model is high in simulation degree, intuitive in interpretation, safe and easy to maintain.

The application discloses a thoracoscope smoke removal and field optimization device, which comprises a thoracoscope body, a central controller and a display screen. The front end of the thoracoscope body is provided with a multispectral smoke sensor, and a liquid variable-focus lens is arranged in the optical channel of the thoracoscope body. The central controller comprises a data acquisition module, a hardware compensation calculation module, an optical execution module, an image reverse reconstruction module and a field output module. Thus, the efficiency delay and operation interruption problems caused by the dependence on physical removal in the traditional technology are overcome. Through the dual mechanism of integrated hardware optical compensation and software image reconstruction, the optical scattering and depth of field defocus caused by smoke are directly offset within milliseconds, and the field quality fluctuation and operation pause caused by waiting for physical removal are avoided. Not only the continuous stability and high definition of the surgical field are maintained, but also the smoothness and safety of the surgical operation are ensured, and the interference on the pneumoperitoneum environment is reduced.

The invention relates to the field of organ transplantation in biomedical technology, and particularly discloses normal-temperature perfusion protection liquid for thoracoscopic surgery training as well as a preparation method and application of the normal-temperature perfusion protection liquid. The components of the perfusion protection liquid mainly cover sodium chloride, carbohydrates, adenosine and dexamethasone. The perfusion protection liquid has the advantages that on one hand, the components of the protection liquid are simple, complex components of a traditional perfusion protection liquid are abandoned, and the raw material obtaining and economic cost is greatly reduced; and on the other hand, the perfusion protection liquid gets rid of the limitation of low-temperature storage and can be stably stored in a normal-temperature environment. Compared with the prior art, the perfusion protection liquid provided by the invention not only has simple components, but also breaks the constraint of cold chain transportation and low-temperature storage, solves the problems of complex components and harsh storage conditions of the existing protection liquid, provides a more convenient and efficient solution for thoracoscopic surgery training and even wider medical practice, and has broad application prospects. The method has a wide application prospect and an extremely high practical value.

The aspirator for the single-hole thoracoscopic surgery comprises an aspiration head and a catheter, the aspiration head comprises a first aspiration portion and a second aspiration portion which are sequentially communicated in the aspiration direction, the inner diameter of the first aspiration portion is gradually increased in the aspiration direction, and the first aspiration portion is formed by jointly enclosing a closed face and a hole opening face. Three suction holes are formed in the perforated surface, and are arranged at intervals in the circumferential direction of the perforated surface; the inner diameter of the second suction part is gradually reduced in the suction direction, and the second suction part is communicated with the negative pressure device through a catheter. According to the utility model, the layout of the suction head is optimized, the first suction part is enclosed by the closed surface and the perforated surface, and the perforated surface is provided with the suction holes which are simple in number and reasonable in layout, so that an enough suction area is ensured, unnecessary air leakage channels are reduced, and the air leakage risk is reduced.

This invention relates to an intraoperative nerve localization system for thoracic sympathectomy, belonging to the field of minimally invasive surgical assistance and medical information processing technology. During thoracoscopic surgery, this system identifies and analyzes candidate regions of the thoracic sympathetic nerve by acquiring intraoperative thoracoscopic images and patient physiological signals. It also verifies the sympathetic nerve properties of the target structure by combining the physiological functional responses induced by intraoperative nerve stimulation. Based on this, the system fuses and calculates the image structural information and functional response information to generate the localization reliability of the thoracic sympathetic nerve, providing the surgeon with localization references and safety prompts for thoracic sympathectomy. This system enables real-time, objective localization of the thoracic sympathetic nerve during surgery, reducing reliance on surgeon experience, lowering the risk of mis- or missed sympathectomy, and improving the safety and consistency of thoracic sympathectomy, thus possessing high clinical application value.

The invention relates to the technical field of self-adaptive control, in particular to an intelligent self-adaptive pressure adjusting system for a thoracoscope incision pressure reducer. Comprises: a data acquisition module for acquiring pressure data of an incision pressure reducer and motion trail related data of an instrument rod; when the collision does not occur, namely, the pressure value does not exist, the possible collision risk of the instrument rod and the incision pressure reducer is prejudged mainly according to the movement track related data (distance, displacement, speed and acceleration) of the instrument rod, so that the system response demand degree is determined; in the collision generation analysis module, namely when the pressure value exists, the system response demand degree is calculated mainly based on the fluctuation of the pressure value and the displacement of the instrument rod; finally, a preset gain coefficient in a PID controller is dynamically optimized on the basis of the system response demand degree in a self-adaptive adjusting module, the problems of response lag or excessive oscillation and the like caused by a fixed value are solved, and the requirements for rapid buffering and steady-state precision of the thoracoscopic surgery are met.

The utility model discloses a thoracoscope fixing device for thoracoscope operation belongs to thoracoscope fixing device technical field, a thoracoscope fixing device for thoracoscope operation, including bottom plate and support rod, the upper surface fixed connection of bottom plate has the support rod, the inside slide connection of support rod has the adjusting rod, the upper surface of adjusting rod is provided with the connecting block, the outer surface of connecting block is provided with fixed component, and the adjusting component is arranged between adjusting rod and connecting block, it can firmly fix thoracoscope through the mutual cooperation of moving groove, fixed plate, two -way screw rod and sleeve, avoid the collision of operation instrument when the patient is operated and the shaking of causing thoracoscope to move, influence the accuracy of operation operation, thereby improved the security of operation, through the mutual cooperation of adjusting rod, support rod, positioning groove, locating block, spring and moving groove can adjust height, thereby can adapt to the body shape of different patients and the operation demand.

The utility model provides a thoracoscope fixing device for thoracoscopic surgery. The thoracoscope fixing device for the thoracoscopic surgery comprises a second cantilever and an adjusting assembly, the adjusting assembly comprises a supporting piece, a first damping rotating shaft is installed between the second cantilever and the supporting piece, and the end, opposite to the second cantilever, of the supporting piece is rotationally connected with an installation piece through a second damping rotating shaft; a worm is rotationally connected to the surface of the side wall, opposite to the supporting piece, of the mounting piece, a worm wheel is meshed with the bottom of the worm, the worm wheel is rotationally connected with the mounting piece, a gear is fixedly connected to the surface of one side wall of the worm wheel, a rack is meshed with one side of the gear, and a limiting groove is formed in the surface of the rack; the thoracoscope fixing device for the thoracoscopic surgery has the advantage that medical staff can conveniently and flexibly adjust the insertion depth and the insertion angle of the thoracoscope tube according to surgery requirements.

The present application relates to the technical field of pulling apparatus, in particular to a tissue adsorption type pulling apparatus for thoracoscope surgery. The apparatus comprises a main rod body, the bottom of the main rod body is connected with a mounting rod through welding, the diameter of the mounting rod is smaller than that of the main rod body, the mounting rod is used for mounting an adsorption sleeve, the bottom of the mounting rod is fixedly connected with an auxiliary support hook through integral forming, the end of the auxiliary support hook is in arc structure, and the outer wall is polished, the top of the main rod body is fixedly connected with a handle, the outer wall of the handle is provided with anti-skid lines to increase the friction between the hand and the handle, which is convenient for doctors to stably hold during surgery, through the setting of the adsorption sleeve and the control assembly, the stable pulling of soft tissue is realized, the uniform adsorption force of the plane suction cup can be realized, the pulling pressure of the auxiliary support hook is dispersed, the adsorption sleeve can be individually or synchronously controlled to rotate through the control assembly, and the soft tissue in the target area is removed, thereby solving the problem that the traditional hook type pulling apparatus is easy to damage soft tissue.

The utility model relates to the field of traction instruments, in particular to a thoracoscopic surgery traction instrument based on the negative pressure principle, which comprises a traction body, a plurality of electric suction cup seats are arranged at the bottom end of the traction body, suction cup openings are arranged at the front ends of the electric suction cup seats, and positioning grooves are arranged on the inner side of the traction body behind the electric suction cup seats. The rear end of the electric suction cup base is inserted into the inner side of the positioning groove, connecting bases are arranged on the two sides of the electric suction cup base and located on the outer side face of the positioning groove, limiting blocks are arranged at the upper end and the lower end of the electric suction cup base and located on the front end faces of the connecting bases, and a rotary knob is arranged on one side of one connecting base; the electric suction cup seat is matched with the suction cup opening to pull the traction tissue of a patient, so that the injury of a traction instrument to the patient is reduced, and the medical staff can perform an operation conveniently, and a plurality of positioning grooves are formed in the inner side, behind the electric suction cup seat, of the traction body; therefore, the number of the electric suction cup seats can be conveniently adjusted by medical staff according to needs.

1. The name of the design product: thoracic cavity model (compatible with single-hole and multi-hole thoracoscope). 2. The use of the design product: for single-hole and multi-hole thoracoscope operation training of thoracic surgeons. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The embodiment of the utility model provides a multifunctional aspirator for thoracoscopic surgery. The multifunctional aspirator for the thoracoscopic surgery comprises a three-cavity tube, wherein the three-cavity tube comprises a suction tube, a water injection tube and an inflation tube which are arranged in parallel; the main pipe is connected to the three-cavity pipe and is communicated with the three-cavity pipe; the change-over switch is movably connected between the three-cavity tube and the main tube, the change-over switch is used for switching the main tube and the three-cavity tube among a first communication state, a second communication state and a third communication state, the first communication state is that the main tube is communicated with the suction tube, the second communication state is that the main tube is communicated with the suction tube, and the third communication state is that the main tube is communicated with the suction tube. In the second communication state, the main pipe is communicated with the water injection pipe, and in the third communication state, the main pipe is communicated with the gas filling pipe. According to the multifunctional aspirator for the thoracoscope in the embodiment of the invention, the trauma of an operation can be relatively small, and the pain of a patient is reduced.

The invention relates to a magnetic thread system applied to thoracoscopic surgery, which comprises a suture line with a suture needle at the front end, a guide sleeve, a magnetic thread leading device and a magnetic anchor point, the suture needle and the magnetic anchor point are made of magnetic metal materials, and the magnetic anchor point is positioned at the tail end of the suture line. An electromagnet attracted with the suture needle or the magnetic anchor point is arranged at the front end of the magnetic thread leading device, and the guide sleeve is provided with a guide channel leading to the in-vivo suture position from the outside and allowing the magnetic thread leading device and the suture line to pass through. By the adoption of the scheme, the magnetic force line carrying system applied to the thoracoscopic surgery improves the suture effect by changing the needle holding mode and the line holding mode.

The utility model provides a special band for thoracoscopic surgery incision, which comprises a rectangular special band main body and at least two elastic bands arranged on one short edge of the special band main body, the elastic bands are arranged in parallel at equal intervals, and one end, far away from the special band main body, of each elastic band can be fixed on the special band main body after bypassing the trunk of a human body. A groove is further formed in the special belt body, the opening direction of the groove is formed in the side away from the elastic belts, the groove is located in the middle of the distance between every two adjacent elastic belts, and drainage tube fixing devices are further arranged on the two sides of the groove. The thoracoscope surgical incision special belt is used for fixing the chest drainage tube to reduce the motion range, so that the pain of a patient can be relieved, and the drainage tube is prevented from falling off; moreover, pneumothorax caused by falling of the incision dressing can be prevented, and formation of incision hernia can be prevented.

The application discloses a single-hole thoracoscope operation instrument anti-interference operation platform, which comprises a protective sleeve, an anti-interference device and a control system, wherein at least two anti-interference devices are movably arranged on the protective sleeve; the anti-interference device comprises a sliding sleeve which is embedded on the top outer edge of the protective sleeve and is slidably connected with the protective sleeve; an operation plate is arranged on the sliding sleeve and is provided with an operation slot through which an instrument passes; two squeeze switches are respectively arranged at two ends of the operation slot; a brake is arranged in the sliding sleeve; a speed detector is arranged on the sliding sleeve; two proximity switches are respectively arranged at two ends of the sliding sleeve; and the control system can adjust the braking force of the corresponding brake according to the moving trend of two adjacent anti-interference devices, so that the collision risk caused by the rapid movement between the anti-interference devices is reduced, and the operation difficulty is reduced.

The utility model discloses a tracheal retractor for thoracoscopic surgery, which comprises a holding portion, a middle rod and an end protrusion portion, the cross section of the holding portion is a regular polygon, the middle rod is an elastic rod, and the end protrusion portion is provided with a smooth arc surface or a blunt surface. According to the trachea retractor for the thoracoscopic surgery, the traction requirement of the thoracoscopic surgery is met, meanwhile, damage of the device to tissue, especially the trachea membrane part, can be reduced to the maximum degree, and the trachea retractor is light and easy to operate.

The invention discloses a pulmonary nodule positioning device for thoracoscopic surgery, and belongs to the field of medical instruments, the pulmonary nodule positioning device for thoracoscopic surgery comprises a puncture needle cylinder and a puncture needle head, the puncture needle head is internally sleeved with a pushing device in the axial direction of the puncture needle head, and the pushing device is arranged in the puncture needle cylinder. The pushing device is arranged on the puncture needle cylinder and can slide in the axial direction of the puncture needle head and the puncture needle cylinder, one end of the pushing device penetrates out of the end, away from the puncture needle head, of the puncture needle cylinder and is exposed out of the outer side of the puncture needle cylinder, and the push-out structure is arranged on the puncture needle cylinder. The pushing action is stable and controllable through a damping structure formed by the corrugated second movable plate and the fixed plate, an operator can conveniently and accurately adjust the positioning depth, the surgical risk is further reduced, the clinical application effect of the minimally invasive surgery is improved, and the device is particularly suitable for positioning scenes of tiny and deep pulmonary nodules.