163 results about "Pneumoperitoneum" patented technology

The invention relates to the technical field of medical instruments, and provides a pneumoperitoneum machine pressure measurement abnormity control method which comprises the following steps: acquiring air inlet pressure, pressure measurement pressure and smoke exhaust pressure; calculating a difference value between the air inlet pressure and the pressure measuring pressure and a difference value between the pressure measuring pressure and the smoke exhaust pressure; when the difference value between the air inlet pressure and the pressure measuring pressure is larger than a first preset difference value and smaller than a second preset difference value, and the difference value between the pressure measuring pressure and the smoke discharging pressure is larger than a third preset difference value and smaller than a fourth preset difference value, the pressure measuring pressure is selected as display pressure; otherwise, starting a first pressure measurement abnormity detection program. By monitoring the difference value between the air inlet pressure and the measured pressure and the change of the difference value between the measured pressure and the smoke exhaust pressure, pressure monitoring abnormity caused by equipment faults in the operation process can be recognized, the equipment stability is improved, and the operation risk is reduced.

The invention relates to the technical field of medical instruments, and provides a control method, system and device of a pneumoperitoneum machine and the pneumoperitoneum machine. The control method of the pneumoperitoneum machine comprises the following steps that monitoring pressure read by the pneumoperitoneum machine is obtained; when the monitoring pressure is larger than a first pressure threshold value and the maintaining duration is larger than or equal to a first preset duration, the pressure change rate within the first preset duration is obtained; if the pressure change rate is larger than a first pressure change rate threshold value, expected fluctuation is judged, and a first adjusting program is started; and if the pressure change rate is smaller than or equal to the first pressure change rate threshold value, continuous change is judged, and a second adjustment program is started. The reasons of overpressure are distinguished more meticulously according to the pressure change rate, so that different adjusting programs are adopted, the overpressure condition of expected fluctuation can be adjusted in a targeted mode, and the problems that the loss of equipment parts is high, and the time consumed by equipment pressure stabilization is long are solved.

The invention discloses a carbon dioxide pneumoperitoneum instrument based on a self-adaptive PID control algorithm, and relates to the technical field of medical instruments, the carbon dioxide pneumoperitoneum instrument comprises a pneumoperitoneum instrument body, a control panel is arranged on the front side of the pneumoperitoneum instrument body, and a display area is arranged on the surface of the control panel; the display area comprises a preset pressure value display screen, a real-time pressure value display screen, a preset maximum flow value display screen and a carbon dioxide usage amount display screen, and the surface, located on one side of the display area, of the control panel is provided with a start-stop key and an air source pressure state indicator lamp. A power switch button and an air outlet are arranged on the surface, located on the other side of the display area, of the control panel, and a preset pressure adjusting button and a start-stop button are arranged on the surface, located below the display area, of the control panel. By means of the electronic proportioning valve and real-time pressure feedback, it is ensured that the gas injection flow is accurate and controllable, excessive or insufficient gas injection is avoided, and the operation effect is improved.

Disclosed herein is a surgical cannula configured as an instrument retaining or centering apparatus, configured for providing insufflation gases to a surgical cavity of a patient (such as the pneumoperitoneum) and allowing insertion of medical instruments into the surgical cavity through the cannula. The cannula can include features to direct gas flow in particular directions to prevent or reduce smoke, fog / condensation, or other unwanted media from contacting a portion of a medical instrument.

The embodiment of the invention provides an instrument sealing device, a surgical instrument and a surgical robot. The instrument sealing device comprises a joint seat, the joint seat is provided with a first through hole, and the first through hole is configured to allow a cable to penetrate through; the sealing piece is arranged on the side, away from the instrument head end, of the joint seat, a second through hole is formed in the sealing piece, at least part of the first through hole is communicated with the second through hole, and the hole wall of the second through hole is configured to be in close contact with the peripheral wall of the cable; and the pressing piece is pressed on the side, back on to the joint seat, of the sealing piece, the pressing piece is at least pressed on the hole edge of the second through hole, and the hardness of the pressing piece is larger than that of the sealing piece. According to the instrument sealing device, the surgical instrument and the surgical robot, the sealing performance of the surgical instrument can be improved, pneumoperitoneum failure is prevented, the problem that the instrument control precision is reduced due to cable looseness caused by long-time use can be solved, and the surgical safety and the operation precision can be improved.

The invention discloses an endoscope pneumoperitoneum pressure system based on AI image evaluation and an intelligent adjusting method, and the method comprises the steps: 1, obtaining an original image of the abdominal cavity of a patient through CT equipment, carrying out the standardization processing of the original image, generating a standardized CT image data set, and constructing a three-dimensional dynamic model of the abdominal cavity of the patient based on an AI algorithm; in the second stage, quantitative analysis of subcutaneous fat thickness, visceral organ volume and operable space volume is carried out on the three-dimensional dynamic model by adopting an AI segmentation algorithm, and a personalized pneumoperitoneum pressure target value Ptarget and an adjustment threshold range are generated through a machine learning model in combination with basic illness state data of the patient; in the third stage, working data are collected in real time through a built-in sensor of the endoscope system, and the working data are input into the reinforcement learning model to dynamically calculate a pressure adjusting instruction delta P; through deep fusion of the AI technology and system closed-loop control, the intelligent level of the endoscope system is remarkably optimized, good hardware support is provided, and the function of optimizing the operation environment and effect is achieved.

The present invention relates to an airtight cover for a disposable incision protector sheath, comprising a body. The body is disc-shaped, provided with a through operation hole thereon, and a connecting portion at its edge. A sealing assembly capable of closing the operation hole is provided on the operation hole; the sealing assembly can keep the operation hole closed before and after a surgical instrument passes through the operation hole; the connecting portion is annular, and its size is adapted to the outer port of the disposable protector sheath; the longitudinal section of the connecting portion is an ellipse with an open lower end, and can be tightly clamped on the edge of the disposable protector sheath to achieve sealing of the incision. The present invention can make the sealed installation of the incision protector sheath more convenient and firm, ensure the formation of a stable pneumoperitoneum, and facilitate the doctor to observe the situation inside the patient's abdominal cavity. Moreover, it is also possible to conveniently insert and remove the surgical instrument repeatedly without leakage, greatly improving the surgical efficiency.

Medical devices include a rigid dome, a viewing window, a vacuum port, a vacuum pressure regulator, an aperture, and a septum. The rigid dome is hemispherical and includes a first dome stage, a second dome stage distal on the first dome stage, and a transition between the first dome stage and the second dome stage. The viewing window is acoustically and\or optically transparent to allow for inspection of the surgical site. The vacuum port allows for a reduction of a pressure on the interior of the rigid dome. The vacuum pressure regulator regulates the pressure on the interior of the rigid dome. The aperture provides access to the interior of the rigid dome and the surgical site. The septum engages with the second dome stage to allow for insertion of a surgical instrument with resistance to loss of the pressure on the interior of the rigid dome.

The invention relates to the technical field of medical instruments, and particularly discloses a flow adjusting system and method.The system comprises a pneumoperitoneum machine body, an air supply pipeline used for supplying air is arranged in the pneumoperitoneum machine body, and the outlet end of the air supply pipeline is connected with a pneumoperitoneum pipe; the air supply pipeline is provided with a flow adjusting assembly used for adjusting the air output flow of the air supply pipeline and a flow sensor used for collecting output flow information output by the air supply pipeline. The controller is used for driving the flow adjusting assembly to adjust the flow of the pneumoperitoneum tube according to the output flow information in the stable state and the target flow information when the output flow information is in the stable state; the output flow information in the stable state can accurately represent the flow of the pneumoperitoneum tube in the normal state, so that the flow adjusting process of the pneumoperitoneum tube is completed smoothly, accurately and efficiently.

In the embodiment of the invention, the pneumoperitoneum-free minimally invasive surgery channel device is provided, and the pneumoperitoneum-free minimally invasive surgery channel device at least comprises an inner cylinder, an outer cylinder partially arranged on the inner cylinder in a sleeving mode, a plurality of supporting pieces movably connected to the inner cylinder and a plurality of connecting pieces connected to the outer cylinder; one connecting piece is connected with one supporting piece to drive the supporting piece to move, so that the pneumoperitoneum-free minimally invasive surgery channel device is switched between a distraction state and a puncture state; in the puncturing state, the supporting piece is stored to the position where the supporting piece is attached to the inner cylinder, so that the inner cylinder can puncture into the pleuroperitoneal cavity conveniently; in the expanding state, the supporting piece is expanded in the radial direction of the inner cylinder so as to be expanded in the pleuroperitoneal cavity to form an operation space. According to the pneumoperitoneum-free minimally invasive surgery channel device, the supporting piece is driven by the connecting piece to be unfolded so as to establish a surgery space in the pleuroperitoneal cavity, and the problem that in an existing pleuroperitoneal cavity surgery, it is difficult to establish a pneumoperitoneum to conduct the surgery under the emergency condition is solved.

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.

The utility model discloses an interior cleaning device used for pneumoperitoneum pipe cleaning, and relates to the technical field of cleaning devices, the interior cleaning device comprises a limiting shell, the rear end of the limiting shell is fixedly connected with a sleeve shell, the interior cleaning device further comprises a mounting mechanism, the front end and the rear end of the outer wall of a two-way threaded rod are sleeved with and in threaded connection with a dragging shell, and the limiting shell is fixedly connected with the mounting mechanism. The outer walls of the dragging shells make contact with the inner wall of the limiting shell, first pulling plates are rotationally connected to the inner walls of the tops of the two dragging shells correspondingly, a first motor is started forwards and backwards to drive a bidirectional threaded rod to make matched contact with a second pulling plate and a brush plate to make matched contact with the inner wall of the pneumoperitoneum pipe, and therefore the brush plate can make matched contact with the inner wall of the pneumoperitoneum pipe. Therefore, dirt and residues in the pneumoperitoneum tube can be efficiently cleaned, and the problems that disinfectant fluid cannot completely clean all dirt and residues on the inner wall of the pneumoperitoneum tube, part of impurities are attached to the inner wall of the pneumoperitoneum tube, the inner wall of the pneumoperitoneum tube which is not thoroughly cleaned becomes a hotbed for bacterium breeding, and the infection risk is increased are avoided.

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 discloses a filter mounting structure for a pneumoperitoneum machine, which comprises a shell, a mounting seat and a filter, the mounting seat is arranged in the shell, and the filter is inserted in the mounting seat; a liquid level sensing assembly and a locking assembly are arranged on the side wall of the mounting seat, the liquid level sensing assembly is used for sensing the liquid level in the filter, and the locking assembly is used for locking the filter in the mounting seat; the shell is further provided with an unlocking assembly, and the unlocking assembly is used for unlocking the filter locked by the locking assembly. During use, the filter is locked in the mounting base through the locking assembly, and the liquid level in the filter is sensed through the liquid level sensing assembly, so that the opportunity for replacing the filter is conveniently judged, and the situation that an operation is affected due to excessive hydrops is avoided; when the filter needs to be replaced, the locking state of the filter is relieved through the unlocking assembly, so that the filter is pulled out in time to be replaced, a new filter is inserted to be locked again through the locking assembly, dismounting and mounting operation is easy and convenient, the replacement efficiency is improved, and the mounting and fixing reliability is high.

The utility model discloses a pneumoperitoneum pipe with a temperature monitoring function. The pneumoperitoneum pipe comprises a pneumoperitoneum pipe body, a heat insulation pipe and a temperature sensor. One end of the pneumoperitoneum tube body is a connecting end tube opening which is connected with an air outlet of a pneumoperitoneum machine; the other end of the pneumoperitoneum tube body is a pneumoperitoneum end tube opening which is arranged in the abdominal cavity of the human body; the thermal insulation pipe is sleeved outside the pneumoperitoneum pipe body, a thermal insulation cavity is formed by the thermal insulation pipe and the pneumoperitoneum pipe body, and the thermal insulation cavity is a closed cavity; the temperature sensor is arranged in the heat insulation cavity and is close to the pneumoperitoneum end pipe orifice; and the temperature sensor transmits the collected surface temperature of the tube body of the pneumoperitoneum tube to a temperature control system of the host of the pneumoperitoneum machine. The utility model further discloses a pneumoperitoneum temperature monitoring device of the pneumoperitoneum machine. The temperature difference between the air outlet of the abdominal machine and the port of the pneumoperitoneum tube can be reduced, the fogging phenomenon of the endoscope is reduced, and the operation risk is reduced.

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.

An air inlet, a smoke sensor, an air pump and an electromagnetic three-way air valve are sequentially communicated in series, and the electromagnetic three-way air valve is communicated with a filtering device and a low-pressure exhaust port; a pneumoperitoneum machine connecting port and an air outlet are respectively communicated with a second interface and a third interface of the three-way pipe; wherein the main control board is electrically connected with the smoke sensor and the electromagnetic three-way air valve respectively, and the main control board receives a signal of the smoke sensor and controls one end of the electromagnetic three-way air valve to be in a closed state, so that smokeless gas entering the smoke removal device is directly discharged from the air outlet; or the other end of the electromagnetic three-way gas valve is controlled to be in a closed state, so that the smoke gas is filtered by the filtering device and discharged at low pressure. Smoke detection is carried out through the smoke sensor, reversing of the three-way valve is controlled through the main control board, gas with different smoke concentrations enters different pipelines to be classified, and meanwhile the problem of multi-person cooperation in the smoke exhaust process is solved.

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 utility model relates to the technical field of medical instruments, in particular to a puncture outfit and a puncture system, which comprise a sealing assembly, a pneumoperitoneum hole and a circulating smoke exhaust assembly, the sealing assembly is of a hollow structure and is used for being attached to human tissue. One end of the pneumoperitoneum hole communicates with the hollow structure of the sealing assembly; the circulating smoke exhaust assembly comprises a smoke exhaust part and a gas injection part; one end of the smoke exhaust part communicates with the hollow structure of the sealing assembly; the smoke exhaust part is used for exhausting smoke gas in the abdominal cavity; one end of the gas injection part communicates with the hollow structure of the sealing assembly; the gas injection part injects filtered gas into the abdominal cavity, and the pressure is kept stable. Through the arrangement of the circulating smoke exhaust assembly, the problem that a single-port puncture outfit cannot achieve the circulating smoke exhaust function is solved, and then the problems that the operation time is prolonged and the environment of an operating room is polluted due to the smoke problem of a single-port laparoscopic operation are solved.

The puncture outfit comprises a cannula assembly (1), a sealing upper cover (2) and a puncture cone (3), the cannula assembly (1) comprises a cannula upper cover (101) and a pressure stabilizing valve body (102), a valve body mounting groove (1011) is formed in the side wall of the cannula upper cover (101), and the pressure stabilizing valve body (102) is mounted in the valve body mounting groove (1011); the side wall of the sleeve upper cover (101) is also provided with an upper cover air inlet passage (1012) and an upper cover exhaust passage (1013); air is supplied to the pneumoperitoneum through the air inlet channel of the sleeve assembly (1), and the pneumoperitoneum pressure is adjusted and controlled through the exhaust channel. According to the scheme, the pressure of the pressure stabilizing structure is adjustable, the set pressure can be adjusted by shifting the pressure shifting button to adapt to protection of pneumoperitoneum with any pressure, and when the pressure in the pneumoperitoneum exceeds the set pressure, the pneumoperitoneum is rapidly discharged through the pressure stabilizing structure.

The invention provides a pneumoperitoneum system which comprises a pneumoperitoneum module used for receiving a first instruction of a control module and adjusting output gas flow, and gas is used for establishing pneumoperitoneum; the suction module is used for receiving the second instruction of the control module and adjusting the smoke discharge flow when the smoke in the abdominal cavity is sucked; and the control module is used for generating a first instruction and a second instruction based on the power signal of the energy instrument and the concentration information of the smoke, outputting the first instruction to the pneumoperitoneum module and outputting the second instruction to the suction module. The device is not only suitable for traditional minimally invasive surgeries needing pneumoperitoneum establishment, but also can be used as surgical robot auxiliary equipment to be matched with an endoscopic surgical robot for use.

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 relates to the technical field of medical instruments, in particular to a multifunctional endoscopic surgery air-free device. Comprising a supporting frame, a base body, a height adjusting threaded sleeve, a screw rod, a lifting threaded sleeve, a mounting frame, a traction support, a built-in foldable cavity wall traction needle, an adapter, a first locking piece for locking the adapter on the screw rod, a supporting rod arranged on the adapter and an endoscope gasless smoke suction drag hook detachably arranged on the supporting rod, the screw rod is provided with an anti-rotation face, and the base body is provided with a lifting hole. A through hole is formed in the mounting frame, a positioning face is arranged in the lifting hole, the screw penetrates through the lifting hole of the seat body and the through hole of the mounting frame in a sliding mode, the anti-rotation face abuts against the positioning face in a sliding mode, and the mounting frame is locked on the screw or the lifting threaded sleeve through a locking piece. The pneumoperitoneum-free smoke suction retractor is simple in structure, ingenious in design, convenient and stable to operate, disassemble and assemble and various in use form, the built-in foldable cavity wall traction needle and the endoscope pneumoperitoneum-free smoke suction retractor can be adjusted in all directions, different operation requirements of medical staff in an operation are met, and the use range is wide.

1. The name of the product of this design: Insufflator. 2. Purpose of the product of this design: Used for minimally invasive examination or surgery to establish and maintain carbon dioxide pneumoperitoneum, and provide operation and visual space. 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: three-dimensional picture.