63 results about "Pneumoperitoneum" patented technology

The utility model relates to an automatic flue gas removing abdominal machine, which is characterized in that a main body is a pneumoperitoneum machine for establishing and maintaining pneumoperitoneum; the pneumoperitoneum machine comprises an air inlet channel, and the two ends of the air inlet channel are connected with an air source and an abdominal cavity respectively. One end of the exhaust channel is communicated with the abdominal cavity, and a smoke removal pump and an electromagnetic valve are sequentially arranged in the airflow flowing direction; the micro-control unit is provided with a digital communication interface used for being connected with an endoscope camera system; wherein a branch pipe communicated with the exhaust passage is arranged at the air inlet end of the smoke removal pump, the other end of the branch pipe is communicated with the exhaust passage at the air outlet end of the smoke removal pump, and a speed regulating proportional valve is arranged on the branch pipe; and the micro-control unit is connected with the speed regulation proportional valve, the smoke removal pump and the electromagnetic valve. The smoke exhaust device has the advantages that the smoke exhaust device can adjust the size of smoke, adjust the gas displacement, ensure that the smoke is removed to the maximum extent with the minimum gas consumption, reduce the consumption of carbon dioxide gas and reduce the consumption cost of medical consumables.

According to an embodiment of the inventive concept, a method for matching an actual surgical image and a 3D-based virtual surgical simulation environment, which is performed by an apparatus, includes setting POI information during surgery at each of surgery steps in a pre-stored surgical image obtained by performing surgery the same as the actual surgical image, matching the POI information with a virtual pneumoperitoneum model of a patient, which is used for the 3D-based virtual surgical simulation environment, the virtual pneumoperitoneum model being displayed on a UI, recognizing a real-time surgery step of the actual surgical image and determining a location of the POI information for the respective recognized surgery step, and obtaining and displaying image information, which is captured by moving a location of an endoscope inserted into the virtual pneumoperitoneum model to the same location as the determined location of the POI information, through the UI.

The utility model discloses a pneumoperitoneum machine filter element locking mechanism. The pneumoperitoneum machine filter element locking mechanism is characterized by comprising a locking base, a sliding ring installed on the base and a locking ring rotatably installed between the locking base and the sliding ring. A locking surface for limiting and locking the filter element is arranged on the locking ring; a plurality of positioning and mounting grooves for positioning and mounting the filter element are also formed in the locking base. According to the utility model, the filter element is quickly positioned by utilizing the positioning mounting groove in the locking base, and then the locking ring is rotated to lock the filter element between the locking base and the locking ring, so that the convenience of locking the filter element is improved.

The utility model relates to the technical field of medical instruments, and particularly discloses a pneumoperitoneum machine and a backflow liquid detection device thereof. The backflow liquid detection device of the pneumoperitoneum machine comprises an air outlet connector, an adapter, a first signal line and a second signal line. The air outlet connector is used for being arranged on a panel of the pneumoperitoneum machine in a penetrating mode. The adapter is used for being communicated with an air path in the pneumoperitoneum machine, the adapter is communicated with the air outlet connector to form an air outlet channel, at least part of the air outlet connector is made of a conductive material, at least part of the adapter is made of a conductive material, and an insulating part is arranged between the matching surfaces of the air outlet connector and the adapter so as to insulate the air outlet connector from the adapter; the first signal line and the second signal line are arranged on the air outlet connector and the adapter respectively so that the first signal line and the second signal line can be conducted when the conducting medium passes through the air outlet channel. According to the backflow liquid detection device of the pneumoperitoneum machine, the liquid backflow detection function of the pneumoperitoneum machine can be achieved. And the backflow liquid detection device does not influence the sectional dimension of the air outlet channel, so that the flow control of the pneumoperitoneum machine is not influenced.

This invention discloses a puncture catheter device, including a puncture head housing. The puncture head housing includes a support section and an insertion section for insertion into a pneumoperitoneum along its length. The insertion section houses a balloon assembly. A fixing ring is slidably fitted onto the support section, and a locking component for fixing the fixing ring is connected to the end of the fixing ring furthest from the balloon assembly. During operation, the insertion section is inserted into the pneumoperitoneum. Gas is injected into the balloon assembly, causing it to expand within the pneumoperitoneum. The balloon assembly blocks the gap between the puncture head housing and the sidewall of the pneumoperitoneum, achieving an airtight seal. The fixing ring is then driven to slide along the support section to a preset position. The limiting space formed between the fixing ring and the balloon assembly abuts against the inner and outer walls of the pneumoperitoneum, providing support and airtightness for the puncture head housing. The balloon assembly prevents air leakage due to puncture head housing misalignment, ensuring sufficient airtightness and guaranteeing the safety and stability of the surgical procedure.

An intelligent pressure control pneumoperitoneum system based on visual smoke removal and anesthesia linkage and a storage medium comprise a master control communication unit, an image acquisition and recognition unit, a smoke removal execution unit, a pressure detection and adjustment unit and an anesthesia linkage control unit. The main control module generates an instruction according to the signal; the image acquisition and identification unit comprises a camera and a visual processing module, the camera acquires an endoscope image, and the visual processing module processes the endoscope image to obtain a smoke level; the smoke removal execution unit comprises a smoke exhaust pump and an exhaust valve, the smoke exhaust pump controls the rotating speed, and the exhaust valve controls a switch; the pressure detecting and adjusting unit comprises a pressure sensor, a temperature module, a proportional valve and a pressure release valve, the pressure sensor detects pressure, the temperature module detects and controls temperature, the proportional valve controls air inlet flow, and the pressure release valve controls air outlet flow; the anesthesia linkage control unit obtains parameters of the anesthesia machine and transmits the parameters to the communication module.

The utility model relates to a kind of intelligent insufflator with air pressure stabilization and heating function, comprising: shell, the shell is equipped with: buffer chamber, the buffer chamber is equipped with: first air inlet and first air outlet, first air inlet with the first air outlet between is equipped with: gas passage, the gas passage includes sequentially communicated: first channel, second channel, third channel and fourth channel, the bottom of the buffer chamber is also equipped with: heating pad.The utility model of a kind of intelligent insufflator with air pressure stabilization and heating function is heated to the gas in buffer chamber by the heating pad of setting in the bottom of buffer chamber, and by setting gas passage, the speed of gas advancing can be slowed down, it is favorable to the air pressure stabilization of stabilizing gas, and by the heat conduction of the bottom of buffer chamber, the situation that gas is directly heated and leads to temperature excessive increase can be avoided.

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 provides a hemostasis device for rectal cancer postoperative early-stage anastomotic stoma bleeding, which comprises an observation channel (1) and a suction and clamping component (2) capable of being inserted into the observation channel (1), and the observation channel (1) and the suction and clamping component (2) are matched with each other in an operation and are used for observing an anastomotic stoma bleeding point for an operator. Haemostasis is carried out on bleeding spots, and bleeding is cleared to pass through an operation channel. The device is simple in structure, convenient to use and low in use cost, pneumoperitoneum is not needed, the operation difficulty is effectively reduced, the body burden of a patient in an operation is reduced, the operation cost is reduced, and the operation time is shortened.

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

The utility model generally relates to the technical field of medical instruments, in particular to a laparoscope liver lifting device which comprises an air bag seat, an air pipe and an air bag column. One end of the air pipe is connected with the airbag seat; the multiple air bag columns are arranged on the air bag seat, and the air bag columns communicate with the air bag seat. The air bag seat and the air bag column can be compressed in a non-inflated state so as to enter a body through a minimally invasive wound of a patient; the air bag seat and the air bag column can support the liver in an inflation state, a certain space is formed between the liver and the abdominal wall, the abdominal wall moves upwards under the minimally invasive pneumoperitoneum condition, the space is increased, the air bag seat abuts against the abdominal wall, the air bag column is located under the liver, along with the increase of the inflation amount, the weight of the liver acts on the air bag column on one hand and acts on the air bag seat on the other hand, and the placement stability is improved; moreover, gaps exist between the air bag columns, a good operation space is provided, an ultrasonic knife, operating forceps and the like can directly penetrate through the air bag columns conveniently, and operation is facilitated.

The utility model provides a suspension type video energy system and a surgical robot system, and belongs to the field of surgical robots. A first suspension containing space and a second suspension containing space which are arranged in a spaced mode are defined by the suspension shell. And the second suspension accommodating space is used for placing an operation auxiliary device. The video energy module is arranged in the first suspension accommodating space. The interaction module is arranged on the surface, away from the first suspension containing space and the second suspension containing space, of the suspension shell. The interaction module is connected with the video energy module. The interaction module sends a parameter adjustment signal to the video energy module according to user requirements. And the video energy module is used for providing energy required by the operation according to the parameter adjusting signal. By means of the system, the functions of a video trolley, a surgical tower, energy equipment, an endoscope, a pneumoperitoneum machine and the like in the traditional technology can be achieved in a centralized mode, the system is high in integration level and hung in the air, enough operation space is reserved for medical workers, external interference cannot be caused to the medical workers, and the operation efficiency is improved.

This invention relates to a trocar and pneumoperitoneum system with a combined interlayer cavity, comprising a main tube and a secondary tube. The main tube includes a main tube base and a first tube body portion, with an internal cavity extending from the proximal end of the main tube base to the distal end of the first tube body portion. The secondary tube includes a secondary tube base and a second tube body portion, the inner diameter of the second tube body portion being larger than the outer diameter of the first tube body portion. The secondary tube also has an internal cavity extending from the proximal end of the secondary tube base to the distal end of the second tube body portion. The secondary tube is fitted onto the main tube. The proximal end of the secondary tube base and the distal end of the main tube base are detachably and sealingly connected. The distal ends of the first tube body portion and the distal ends of the second tube body portion are sealed and abutted together. The second tube body portion and the first tube body portion combine to form an interlayer cavity. This invention employs a split structure with the main tube and secondary tube fitted together, integrating multi-channel functions while maintaining high maintainability and cleanability, thus improving safety during use.

The invention discloses a pneumoperitoneum machine control system, method and equipment and a medium. The system comprises an information acquisition module, an information processing module, an information analysis module and a control module, the information acquisition module is used for acquiring basic information of a target object, and the basic information comprises sign information and abdominal cavity external image information; the information processing module is used for performing data preprocessing on the external image information of the abdominal cavity and performing feature extraction on the preprocessed image information to obtain reference image information; the information analysis module is used for determining a target control parameter according to the sign information of the target object and the reference image information by using an artificial intelligence model; the sending module is used for sending the target control parameters to the pneumoperitoneum machine so that the pneumoperitoneum machine can conduct output adjustment based on the target control parameters. According to the technical scheme, the artificial intelligence model can be used for efficiently and accurately adjusting the output parameters of the pneumoperitoneum machine based on the physical sign information and the abdominal cavity external image information, and the labor cost is reduced while the working efficiency is improved.

The present invention provides a pneumoperitoneum maintenance device that facilitates the retention of air-filled material within a body cavity. [Solution] According to various embodiments, a probe can be inserted into a body cavity to perform a diagnostic intervention, a therapeutic intervention, or both. The probe can be inserted through a naturally occurring or artificial, intentional, or accidental body opening. The body opening can form a seal surrounding the probe, thus effectively holding the insufflation device within the body cavity and allowing the operator to perform the intervention. However, there may be leakage of the insufflated material. The insufflation holding device is configured to contact and form an effective seal adjacent to the body opening, providing a passage for introducing the probe into the body cavity, thus enabling a diagnostic or therapeutic intervention, or both.

The utility model discloses constant-pressure pneumoperitoneum equipment which comprises a pneumoperitoneum machine, a pressure stabilizing bag and a puncture instrument used for puncturing an abdominal cavity. The pneumoperitoneum machine is used for providing carbon dioxide gas, the pressure stabilizing bag is connected with the pneumoperitoneum machine through an air inlet pipeline, the pressure stabilizing bag is made of flexible materials and used for shrinking, expanding and deforming along with changes of air pressure, the pressure stabilizing bag is provided with a pressure stabilizing cavity, and an anti-backflow structure is arranged in the pressure stabilizing cavity. The puncture instrument is provided with a cavity allowing the surgical instrument to enter the abdominal cavity, the side wall of the puncture instrument is provided with a connecting port communicated with the cavity, and the connecting port is connected with the pressure stabilizing bag through an air outlet pipeline. According to the constant-pressure pneumoperitoneum equipment, the pressure stabilizing bag is made of the flexible material and can contract, expand and deform along with the change of air pressure, the pressure of stable airflow is achieved, and it is guaranteed that the operation view and space are unchanged. And an anti-backflow structure designed in the pressure stabilizing cavity can prevent smoke from entering an air inlet pipeline between the pressure stabilizing bag and the pneumoperitoneum machine, so that the influence on the operation of the pneumoperitoneum machine is avoided.

This invention discloses a multi-condition self-traceable calibration method and system for insufflators, relating to the field of insufflator metrology technology. The method includes: constructing a standard loop to apply back pressure and inject a controllable leakage; during a continuous calibration, controlling the insufflator under calibration to sequentially enter pressure stabilization, flow stabilization, and leakage disturbance conditions, synchronously collecting data through collaboratively working traceable pressure and flow references; comparing the reference measurements with the insufflator's readings to calculate pressure coupling error, flow coupling error, and dynamic response characteristics; performing standard state conversion based on preset standard pressure and temperature, fitting and generating calibration coefficients to correct the measured values, and generating a judgment result based on comparison of coupling error and dynamic response characteristics with preset thresholds; generating an automatic report including operating condition type, residual, final calibration measurement results, and uncertainty. This invention improves calibration accuracy and traceability through three-condition linkage calibration and environmental factor compensation.

The invention relates to the technical field of medical instruments and surgical navigation, and discloses an intelligent accidental injury prevention navigation system for pediatric laparoscopic surgery, which comprises an image processing unit used for identifying anatomical texture feature points of a target tissue and establishing a reference map, and a space proportion calculation unit used for calibrating a pixel space mapping proportion; the risk judgment unit is used for calculating a deformation stress characterization value according to the radial displacement gradient evolution rate of each anatomical texture feature point; according to the invention, a tissue pre-deformation state induced in a pneumoperitoneum environment is captured, a protection window is advanced to a micro-pressure fluctuation period before physical contact, phase lag of geometric distance measurement is avoided, and the dynamic safety envelope is constructed in the advancing direction of the surgical instrument by using the deformation stress characterization value. And the fragile coating film is protected in a limit operation space.

The invention provides an intelligent pneumoperitoneum system with dynamic smoke removal and constant pressure functions and a using method, the intelligent pneumoperitoneum system comprises a suction and pneumoperitoneum all-in-one machine and a double-cavity aspirator head, the suction and pneumoperitoneum all-in-one machine comprises a shell and a containing space located in the shell, and a control module, a gas supply channel and a gas recovery and purification channel are arranged in the shell; the double-cavity aspirator head is connected with the gas supply passage and the gas recovery and purification passage; the system collects smoke concentration and pressure signals in the abdominal cavity in real time through the smoke concentration detection module and the outlet pressure gauge which are integrated in the double-cavity aspirator head and feeds back the smoke concentration and pressure signals to the control module. The control module constructs a closed-loop control algorithm based on an ideal gas state equation, the suction power of the suction module and the gas inlet rate of the pressure regulating module are dynamically and cooperatively regulated, and rapid removal of smoke in an operation and dynamic stability of pneumoperitoneum pressure are achieved. Two-stage waste gas filtration is integrated, it is ensured that exhausted gas is harmless, and the integrated guarantee of clear surgical view, coherent operation and patient safety is achieved.

The present application relates to a kind of general surgery operation free pneumoperitoneum abdominal wall suspension device in abdominal cavity, comprising: main body, lug and inner suspension assembly;Inner suspension assembly includes: multiple support plates that are inserted into abdominal cavity wound and hoist abdominal wall in abdominal cavity from inside;A kind of general surgery operation free pneumoperitoneum abdominal wall suspension device in abdominal cavity also includes: for adsorbing skin to externally assist suspension pneumatic chuck;Support plate is rotatably installed to main body;Support plate has retracted position and unfolded position relative to main body;Support plate rotates between retracted position and unfolded position;When in retracted position, in the radial direction of main body, support plate does not extend the outer surface of main body;When in unfolded position, in the radial direction of main body, support plate extends the outer surface of main body for contact with abdominal wall to hoist abdominal wall in abdominal cavity from inside.The beneficial effects of the present application are: multiple support plates can be unfolded simultaneously by rotating knob, and multiple support plates do not need to be installed in sequence.

The application discloses a pneumoperitoneum machine, an alarm prompting method of the pneumoperitoneum machine and a computer readable storage medium. The pneumoperitoneum machine comprises a human-computer interaction device, a gas flow sensor, a memory and a processor. The human-computer interaction device is configured to output information to at least one user. The gas flow sensor is configured to detect the gas flow output by the pneumoperitoneum machine. The memory is configured to store one or more computer programs. The processor is configured to execute the one or more computer programs to implement the following method steps: obtaining the gas flow detected by the gas flow sensor; and determining that the gas flow is less than or equal to a preset flow threshold value, and controlling the human-computer interaction device to output prompt information. The pneumoperitoneum machine disclosed by the application outputs corresponding prompt information through the human-computer interaction device when determining that the pneumoperitoneum machine triggers an alarm event, so that the user can quickly and timely understand the specific alarm event triggered by the pneumoperitoneum machine according to the prompt information, and the safety of surgery is improved.

1. Name of the product in this design: Insufflator. 2. Purpose of this design: To deliver gas into the abdominal cavity. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention belongs to the field of medical device technology, and particularly relates to a puncture device with integrated internal and external air conduction. Addressing the problem that existing puncture devices cannot prevent the outward escape of aerosols generated by chemotherapy drugs applied to the surgical site, this invention provides a puncture device with integrated internal and external air conduction, including a puncture device cannula assembly with an internal instrument channel, and a balloon assembly connected to the puncture device cannula assembly; it also includes an exhaust assembly disposed outside the puncture device cannula assembly, one end of which is connected to an external vacuum source, and the other end of which is connected to the instrument channel. A gas-conducting fixator is also provided outside the puncture device cannula assembly, with its bottom communicating with the patient's pneumoperitoneum, and the gas-conducting fixator is connected to the exhaust assembly. This invention achieves dual aerosol absorption through a dual negative pressure suction system, greatly reducing the risk of medical personnel inhaling toxic aerosols during minimally invasive surgery requiring chemotherapy.

The utility model provides a portable pneumoperitoneum-free laparoscopic surgery cantilever system, which belongs to the technical field of surgical equipment and comprises a bedside fixator, a cantilever fixator, a bedside guide rail, a transmission gear box, a cantilever mechanism, a drag hook mechanism, an endoscope system and a damping support mechanism. The bedside fixing device and the cantilever fixing device are respectively arranged on the bedside guide rail, the endoscope system is arranged on the bedside fixing device through the damping support mechanism, the cantilever mechanism is arranged on the cantilever fixing device, and a plurality of groups of drag hook mechanisms are arranged on the cantilever mechanism. The portable folding bed has the advantages of being portable, foldable, detachable, convenient to carry and transfer and the like. A single person can operate the cantilever mechanism to adjust the height conveniently and quickly, and the operation time is shortened; and meanwhile, the damping bracket mechanism can be operated by one person, so that the number of operation personnel is reduced, and the labor intensity is reduced.

The invention relates to the technical field of medical instruments, in particular to an abdominal puncture visual gasless device which comprises a puncture tube, a hose is sleeved with the puncture tube, one end of the hose is provided with a visual assembly used for observing the internal condition of the abdominal cavity of a patient, and the end, close to the visual assembly, of the hose is provided with an inflation assembly used for establishing gasless of the patient. The inflation assembly comprises an annular groove annularly formed in the hose, and a transparent inflation film is detachably connected into the annular groove. An inflation channel and a gas cavity are formed in the hose, the output end of the inflation channel is communicated with the gas cavity, a plurality of inflation openings communicated with the gas cavity are formed in the annular groove, and a brush used for brushing cell samples in the abdominal cavity is arranged on the outer side wall of the inflation film. According to the invention, the visual observation window is established through the locally controllable inflatable membrane to replace traditional overall pneumoperitoneum, and visual equipment and contact type cell brushing are integrated, so that safe abdominal cavity diagnosis and sampling are realized.

The invention relates to the technical field of medical auxiliary instruments, and discloses a pneumoperitoneum-free laparoscopic surgery abdominal cavity capacity increasing instrument which comprises a connecting ring, a positioning clamp is installed on the surface of a second operation column, a screw rod is in threaded connection with the inner wall of the positioning clamp, and a first operation column is rotationally connected to the other side of the second operation column; the top end of the inner wall of the first operation column is in threaded connection with an operation rod, the bottom end of the operation rod is fixedly connected with an ejector rod, the bottom end of the ejector rod is fixedly connected with a second spreader, the other end of the second spreader is fixedly connected with a moving rod, and the bottom end of the first operation column is fixedly connected with a first spreader. The opening and closing angle between the two first distraction devices is controlled through the screw rod, the first operation column can be pushed to be away from the second operation column when the screw rod rotates through the positioning clamp and the fixing piece, then the angle between the first operation column and the second operation column is changed, and the effect of increasing the space after abdominal cavity traction is achieved.

This invention discloses a performance testing device and method for an insufflation system. The performance testing device for the insufflation system includes a first container, a second container, a lifting structure, a pressure testing device, and a controller. The first container has an upward-facing first opening for holding liquid. The second container is movable in a vertical direction and has a downward-facing second opening. The second container extends into the first opening, and the second opening is located in the liquid to form a liquid surface inside the second container. The second container is also provided with a first vent valve and a second vent valve located above the liquid surface inside the container, as well as an air injection port. The first vent valve and the second vent valve are respectively connected to a first limit switch and a second limit switch, and the first limit switch and the second limit switch have a first limit value and a second limit value, respectively.