44 results about "Thoracoscopic procedure" patented technology

The utility model discloses a multi-degree-of-freedom surgical instrument applied to thoracoscopic surgery, which comprises an insertion tube, two axial ends of the insertion tube are respectively a head end and a tail end, and the head end is connected with a deflection section; the clamping mechanism is arranged at one end of the deflection section; the operating handle is arranged at the tail end; the deflection control mechanism is rotatably arranged at one end of the operating handle and is connected with the deflection section through a plurality of steel wires; the clamping control mechanism comprises an operating part and a connecting section, the operating part is movably arranged below the operating handle, one end of the connecting section is connected with the operating part, the other end of the connecting section is connected with the two clamps in a sliding fit mode, and the part, corresponding to the deflection section, of the connecting section is a bendable section capable of being bent and deformed; and a bias pressure piece for applying bias pressure to the clamping mechanism to enable the two clamps to tend to be opened when the two clamps are not subjected to external force is arranged between the deflection section and the clamping mechanism. The movement range of the instrument is expanded, the flexibility of the operation is improved, the clamping mechanism can be controlled to be closed only through one finger, more labor is saved, the structure is simple, and practicability is higher.

The invention relates to the technical field of thoracoscope positioning, and discloses a positioning device for thoracoscope surgery, which comprises a support frame, a motor is fixedly connected to the outer wall of the support frame, a connecting column is fixedly arranged at the output end of the motor, and the outer wall of the connecting column is rotatably connected to the inside of the support frame. A first bevel gear is fixedly connected to the outer wall of the connecting column, a second bevel gear is connected to the tooth end of the first bevel gear in a meshed mode, a first threaded rod is fixedly connected to the outer wall of the second bevel gear, the outer wall of the first threaded rod is rotatably connected to the interior of the supporting frame, and a connecting plate is connected to the outer wall of the first threaded rod in a threaded mode. A motor drives a connecting column to rotate in a supporting frame, then the connecting column drives a second bevel gear to rotate through a first bevel gear so as to drive a first threaded rod to rotate, a fixing block on a connecting plate can be driven to slide in a first sliding groove, and then a connecting frame can be driven to slide on the supporting frame; and the effect of adjusting the height of the device as required is achieved.

1. The name of the product of this design: Laparoscopic surgical forceps head (with bendable end). 2. Purpose of this design product: used for thoracoscopic surgery. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1. 5. Uncommon, top view omitted. 6. Other situations that need explanation Other explanations: The enlarged view of part A is a partial enlarged view of part A in stereoscopic figure 1, and the enlarged view of part B is a partial enlarged view of part B in stereoscopic figure 2.

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 present invention relates to the field of biometric recognition technology, and specifically to a minimally invasive thoracoscopic surgery guidance assistance system for mediastinal tumors. It includes an acquisition module for acquiring electronic medical record information and acquiring chest CT images and ultrasonic waveforms in real time through an ultrasonic detector; a medical record analysis module for determining the complexity of the medical record based on keywords in the electronic medical record information; a CT analysis module for determining the degree of movement and deflection of the thoracoscope's viewing angle at the current moment; a waveform analysis module for determining the similarity between the ultrasonic waveform and the preset structural waveforms of different structures, and then determining the structural expression; a reminder module for determining the sensitivity of the viewing angle of the thoracoscope at the current moment based on the complexity of the medical record, the degree of movement and deflection, and the structural expression, and performing surgical operation assistance reminders based on the sensitivity of the viewing angle. The present invention can effectively improve the reliability of surgical assistance.

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.

The invention belongs to the technical field of thoracoscope postoperative nursing, and particularly relates to a thoracoscope postoperative rehabilitation device. Comprising a bottom frame, wheels are arranged at the bottom of the bottom frame, a bed board assembly is arranged on the upper end face of the bottom frame, a driving mechanism is arranged between the bed board assembly and the bottom frame to achieve folding and unfolding of the bed board assembly, and a breathing training device is arranged on the bed board assembly. According to the device, various exercises can be achieved, and the first exercise mode is positive sitting position breathing training; the initial state of the rehabilitation device after the thoracoscopic surgery is a positive sitting position. And the second exercise mode is flat lying position breathing training. The third exercise mode comprises reciprocating breathing training and expiration training, and in the reciprocating process, inspiration-expiration training is completed. In the process, a first exercise mode and a second exercise mode are combined. The fourth exercise mode is standing position training.

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 a negative pressure suction pushing and blocking device for thoracoscopic surgery, which comprises a base and a suction tube, the front end face of the base is provided with a breathable pushing and blocking module used for being in contact with lung tissues, and the middle of the base is provided with a hinge hole part penetrating in the front-back direction; the rear end of the suction tube is used for being connected with a thoracoscope aspirator, an inner cavity of the suction tube is used for being communicated with the thoracoscope aspirator to form a main suction channel, the front end of the suction tube extends into the hinge hole part and is hinged to the hinge hole part, and a main suction hole is formed in the surface of the front end of the suction tube. And the main suction hole is communicated with the inner cavity of the suction tube and the hinged hole part. The device is reasonable in structural design, can be matched with a thoracoscope aspirator to achieve negative pressure aspiration, pushes and blocks lung tissue through the breathable pushing and blocking module, is large in pushing and blocking contact area and good in stability, and not only can suck intraoperative liquid, but also can push and block the lung tissue to optimize the operation visual field.

The utility model discloses an aspirator structure for a single-port thoracoscopic surgery. The aspirator comprises a handle, a suction tube is fixed at one end of the handle, a connecting nozzle is arranged at the other end of the handle, a handle channel is arranged in the handle, one end of the handle channel is communicated with the suction tube, the other end of the handle channel is communicated with the connecting nozzle, and the connecting nozzle comprises a fixed part and a rotating part. The fixed part is arranged between the handle and the rotating part, one end of the fixed part is fixedly connected with the handle, and the other end of the fixed part is rotationally connected with the rotating part. The utility model has the beneficial effects that the hose is well prevented from being bent, the blockage condition is avoided, and the suction effect is ensured; the structure is simple and operation is convenient; the comfort of palms of doctors is improved; the suction head is convenient to replace; the operation safety is improved; the collection effect of the hydrops is improved, so that the suction efficiency is improved.

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 invention discloses a thoracoscope fixing device for thoracoscopic surgery, and relates to the technical field of medical instruments, the thoracoscope fixing device comprises a positioning ring, an adjusting assembly is mounted on the positioning ring, a sleeve is mounted on the adjusting assembly, the sleeve is located in the center of the positioning ring, a thoracoscope is detachably connected in the sleeve, and a magnet is fixedly connected to the top of the thoracoscope. Electromagnets are symmetrically arranged above the magnet, a first bevel gear is arranged on the outer side of the thoracoscope, clamping assemblies are meshed with the two sides of the first bevel gear respectively, any clamping assembly is in transmission connection with a rotating assembly, and the rotating assembly extends out of the sleeve. The thoracoscope is fixed and adjusted through the positioning ring, the adjusting assembly, the sleeve and other structures, and the thoracoscope fixing device is characterized in that the thoracoscope is detachably connected, the magnet and the electromagnet are matched, and the clamping assembly and the rotating assembly are designed, so that stable fixing and flexible adjusting functions are provided for the thoracoscope.

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 non-invasive blood vessel clamping and closing device for the thoracoscopic surgery comprises a forceps holder body, the forceps holder body is composed of a forceps arm A and a forceps arm B which are symmetrically arranged, one end of the forceps arm A is movably connected with one end of the forceps arm B through a hinge shaft, and an arc-shaped adjusting toothed plate is fixedly installed on the side face of one end of the forceps arm A; one end of the arc-shaped adjusting toothed plate penetrates through the clamp arm B and the adjusting mechanism in a sliding mode, the adjusting mechanism is fixedly installed on the surface of the clamp arm B and used for adjusting the opening and closing angle between the clamp arm A and the clamp arm B. A control panel is arranged on the surface of the adjusting mechanism, and an operator can send an instruction to the adjusting mechanism through the control panel. Therefore, the opening and closing angles of the two forceps arms can be flexibly adjusted, and the diversified requirements for blood vessel clamping and closing operation in the thoracoscopic surgery can be met.

1. The name of the design product: tracheal hook. 2. The use of the design product: tracheal hook for thoracoscope surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The utility model discloses a thoracic surgery incision protector which comprises an outer positioning ring, an imbedding ring used for supporting an incision is connected to the lower portion of the outer positioning ring, and an inner positioning ring is connected to the lower portion of the imbedding ring. A first smoke exhaust pipeline used for transporting operation smoke is arranged on one side of the inner wall of the imbedding ring, a smoke exhaust port of the first smoke exhaust pipeline is formed in the outer positioning ring, a smoke inlet of the first smoke exhaust pipeline is formed in the inner positioning ring, and the smoke exhaust port is used for being connected with an air pressure negative pressure source; an instrument limiting opening used for allowing thoracoscope surgical instruments to pass through is formed in the side, opposite to the smoke exhaust opening, of the outer positioning ring. The utility model provides the incision protector which is provided with an independent thoracoscope surgical instrument channel and can eliminate the interference of surgical smoke, so that the thoracoscope surgery is easier.

1. Name of the Design Product: Endoscopic Surgical Scissors (Bendable Tip). 2. Use of the Design Product: For thoracoscopic surgery. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View 1. 5. Other Situations Requiring Explanation: Other Explanation: The enlarged view of Part A is a partial enlarged view of Part A in Perspective View 1, and the enlarged view of Part B is a partial enlarged view of Part B in Perspective View 2.

The invention relates to an internal medicine thoracoscope operation training model capable of judging puncture correctness and a manufacturing method. The internal medicine thoracoscope operation training model comprises an outer contour module, a rib module, a lung lobe module, a wall pleura and dirty pleura module and a pressure sensor. The outer contour module comprises a skin layer, a fat layer and a muscle layer which are connected in sequence; the rib module is located in the outer contour module and connected with the muscle layer; the lung lobe module is located in a space defined by the rib module; the wall pleural membrane and dirty pleural membrane module constructs a pleural cavity bag, the pleural cavity bag is located between the rib module and the lung lobe module, and the pleural cavity bag is filled with liquid simulating pleural fluid; the pressure sensor is arranged at the lower edge position of a target rib in the rib module and used for detecting and outputting a pressure value generated when the puncture needle extrudes the lower edge of the target rib. Students can be trained to avoid the lower edge of the rib, nerves and blood vessels are prevented from being damaged, the puncture accuracy, safety and the ability to cope with different conditions of the students are integrally improved, and the complication risk in an actual operation is effectively reduced.

The invention discloses an aspirator structure for single-port thoracoscopic surgery, which comprises a suction tube body, a control handle, a connector and a suction head, the suction tube body is of a hollow tubular structure, a drainage channel is arranged in the suction tube body, the suction tube body adopts a reducing design, the pipe diameter of one end close to the control handle is larger, and the pipe diameter of one end close to the suction head is gradually reduced; the pipe diameter change part is of a smooth transition structure; the main body part of the suction head is of the cone frustum-shaped structure, the main suction hole is formed in the front end of the main body part, and the multiple deformable suction branches radially distributed on the side face of the main body part are matched, so that impurities in different positions and forms can be sucked from multiple angles, the suction range is expanded, and it is ensured that the impurities in the surgical field can be comprehensively removed.

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.

The present invention provides a method and system for intraoperative bleeding recognition and measurement based on computer vision, belonging to the technical field of computer vision. By using a bloodstain recognition model that combines a dynamic threshold and a static threshold for bloodstain recognition, and obtaining a relationship model diagram between each variable based on the proportion of bloodstain pixels and each prognostic index through correlation analysis, and then forming a clinical prognosis plan according to the relationship model diagram between each variable based on the proportion of bloodstain pixels and each prognostic index, the technical effects of high calculation efficiency and applicability to thoracoscopic surgery scenarios with long duration and high picture pixels are achieved.

The invention relates to the technical field of biological feature recognition, in particular to a mediastinal tumor minimally invasive thoracoscopic surgery guiding auxiliary system. Comprising an obtaining module used for obtaining electronic medical record information and obtaining a chest CT image and an ultrasonic waveform in real time through an ultrasonic detector; the medical record analysis module is used for determining the complexity of the medical record according to the keyword of the electronic medical record information; the CT analysis module is used for determining the moving deflection degree of the visual angle of the thoracoscope at the current moment; the waveform analysis module is used for determining the similarity between the ultrasonic waveform and preset structure waveforms of different structures so as to determine the structure representation degree; and the reminding module is used for determining the visual angle sensitive degree of the thoracoscope at the current moment in combination with the medical record complexity degree, the movement deflection degree and the structural expression degree, and performing surgical operation auxiliary reminding according to the visual angle sensitive degree. The reliability of operation assistance can be effectively improved.

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.