81 results about "Percutaneous aspiration" patented technology

The invention discloses a robot particle implantation actuator capable of rapidly replacing needles, and belongs to the field of medical robots. The problems that an existing particle implantation actuator is inconvenient in needle replacement and mostly does not have a puncture function, and the operation efficiency is affected are solved. The device comprises a shell, an outer needle assembly, an inner needle assembly, a quick release flange, a sensor assembly, a magnetic positioning block and an inner and outer needle assembly transmission mechanism, the top of the inner and outer needle assembly transmission mechanism is provided with a quick-release flange used for being in butt joint with a mechanical arm. The inner and outer needle assembly transmission mechanism is used for the movement of the outer needle assembly and the inner needle assembly, puncturing a cannula outer needle embedded with a puncture inner needle into a human body, replacing an implantation inner needle, sending the implantation inner needle in the inner needle assembly into the particle bin, pushing radioactive particles in the particle bin to the cannula outer needle, and pushing the radioactive particles out of the cannula outer needle; the inner-outer needle assembly is arranged at the lower end of the machine shell and fixedly connected to the bottom of the inner-outer needle assembly transmission mechanism through a magnetic positioning block. The device is mainly used for percutaneous puncture and implantation of radioactive particles.

The invention provides a percutaneous puncture accurate dynamic matching and navigation method and system based on an AI surgical robot, and the method comprises the steps: obtaining a preoperative medical image, and generating surgical planning data based on the medical image; determining an ablation path and an ablation area according to the surgical planning data; puncture operation is executed through the robot system, and ablation treatment of the target area is completed; the step S3 further comprises the steps of obtaining real-time image data in the operation for multiple times, and dynamically adjusting the ablation path and the ablation parameters in real time based on the real-time image data in the operation each time. The method comprises the following steps: acquiring and analyzing preoperative and intraoperative medical image data of a patient to generate puncture positioning and navigation puncture schemes in different stages; the purpose of capturing tissue deformation in real time in percutaneous puncture is achieved, the purpose of dynamically optimizing the puncture path is further achieved based on the tissue deformation state captured in real time, the motion trail of the robot is adjusted in real time based on real-time generation of the dynamic puncture path, and therefore the precise navigation and dynamic matching degree of the percutaneous puncture operation is improved, and the accuracy of the percutaneous puncture operation is improved. And the purpose of precise puncture is achieved.

The utility model relates to a direction-variable puncture needle for lung tissue biopsy and a puncture sampling system, and belongs to the technical field of medical instruments. The puncture needle comprises a puncture trocar, a guide trocar and a sampling needle; a movable guide trocar is arranged in the hollow puncture trocar for percutaneous puncture in a penetrating manner; the guide trocar is provided with a bending part capable of controlling the turning direction; a movable bendable sampling needle is arranged in the hollow guide trocar in a penetrating manner; a sampling section is arranged at one end of the sampling needle away from an operator; the guide trocar is provided with a traction line for pulling the bending part of the guide trocar to change the sampling direction on a virtual plane formed by the puncture trocar and the sampling target; a mark used for marking the circumferential position of the traction line is axially arranged along the outer part of the guide trocar body; circumferential scales are arranged on the needle body circumference on the outer side of a human body along the puncture trocar. After the puncture needle is punctured into a human body, the sampling direction of the puncture needle can be changed according to the actual position of a sampling target, and the one-time puncture success rate is improved.

The present invention discloses a CT-guided percutaneous puncture lung nodule cutter, comprising an outer sheath puncture guide needle and a net bag-shaped electromagnetic cutting system, wherein a hollow sleeve is arranged inside the outer sheath puncture guide needle, and the net bag-shaped electromagnetic cutting system is arranged in the space between the outer sheath puncture guide needle and the hollow sleeve, wherein the main body of the net bag-shaped electromagnetic cutting system is made of a tubular polymer shape memory material, and at the same time, the position of the tubular shape facing the tip of the outer sheath puncture guide needle is integrally formed into two net bags; the invention ensures the comfort of patients, the safety of doctors' operation, and the effectiveness of pathological sampling, and allows medical personnel engaged in puncture biopsy to use the pulmonary nodule puncture cutter, which is simple and easy to operate, and has safe and accurate positioning, and significantly improves the success rate of pathological diagnosis of pulmonary nodules, while reducing the economic burden of patients and improving their comfort; it is also conducive to promoting and popularizing CT-guided percutaneous cutting biopsy of pulmonary nodules.

The invention belongs to the technical field of medical machinery, and particularly relates to a percutaneous puncture catheter which comprises a handle assembly, a laser light source module is assembled in the handle assembly, a sheathing canal is fixed to one end of the handle assembly, and a multifunctional cavity, a plurality of bending adjusting cavities and a plurality of optical fiber cavities are formed in the sheathing canal. The multifunctional cavity channel through shaft is arranged in the sheathing canal, and the multiple bending adjusting cavity channels and the multiple optical fiber cavity channels are annularly arrayed on the outer side of the multifunctional cavity channel and located in the sheathing canal. In the percutaneous paracentesis, real-time images are obtained through the endoscope imaging module, laser spots assist in judging the puncture path, medical workers are helped to judge the puncture path, the number of times of correction in the operation is reduced, the puncture success rate is increased, an accurate puncture system is achieved, meanwhile, the hollow shaft motor is used for driving the transmission ring and the scraper to rotate, flushing water flow is formed, and the puncture effect is improved. Body fluid adhered to the surface of the collimating lens is cleaned, secondary pollution is avoided, and it is ensured that a puncture path is clear.

The invention discloses a minimally invasive degradable reduction device for thoracolumbar vertebral fracture, and relates to the technical field of medical instruments. The mounting mechanism is mounted on the outer wall of the connecting rod in a sleeving manner; the pedicle screw is movably inserted into the middle of the top end of the mounting mechanism; an implantation mechanism; through cooperative work of the connecting rod, the mounting mechanism, the pedicle screw and the connecting mechanism, the whole reduction device adapts to minimally invasive approach modes such as percutaneous puncture and can be implanted into the body of a patient through a percutaneous puncture channel, a skin incision of the minimally invasive approach is small, damage to surrounding tissue is greatly reduced, and the reduction effect is good. Due to the layered design of the screw body in the pedicle screw, bone tissue ingrowth is promoted while the supporting strength is kept, and the reduction device is made of degradable materials, can be gradually degraded along with fracture healing after an operation and is metabolized and absorbed by an organism, and does not need to be taken out through a secondary operation, so that physical and mental pain of a patient is relieved; and the medical cost and the potential risk of the secondary operation are also reduced.

The present invention discloses a percutaneous puncture balloon device for compressing both the semilunar ganglion and the third ramus of the trigeminal nerve. The device comprises a catheter, wherein an inner balloon is provided on the outer wall of the catheter near the operating end, and an outer balloon is provided over the inner balloon. The catheter comprises a hollow tubular body, which is divided into an upper cavity and a lower cavity by a partition plate. The sidewall of the upper cavity is provided with an inner vent connected to the inner balloon, and the sidewall of the lower cavity is provided with an outer vent connected to the outer balloon. A rotary cavity switching mechanism is provided at the end of the partition plate away from the balloon for switching between the upper and lower cavities. The inner balloon comprises a balloon body, and an elastic binding membrane layer is provided in the middle of the balloon body. The present invention is characterized by being able to effectively improve the therapeutic effect of patients with pain in the ramus III region.

The invention relates to the technical field of interventional therapy, and particularly discloses a percutaneous puncture navigation system which comprises a camera module and a display module, the display module displays a main picture shot by the camera module, and an electronic protractor picture is suspended on the main picture as a floating layer; a puncture layer S, a puncture point A, a puncture angle alpha, a puncture depth D and a puncture target point T of a focus area of a patient are determined, a camera module is arranged on one side of the patient in the scanning direction, and the camera module aims at the body surface of the focus area to shoot, so that a round point O in a picture of the electronic protractor coincides with the puncture point A of the body surface of the patient; a datum line in an electronic protractor picture is parallel to the horizontal plane; the puncture needle coincides with the angle line of the angle alpha in the picture of the electronic protractor, and the puncture needle enters the depth D along the angle line alpha of the electronic protractor and then reaches the puncture target point T. The puncture cloth needle arranged as the puncture needle achieves the visual navigation function, reduces the puncture difficulty, improves the puncture precision and reduces the puncture scanning frequency.

The invention discloses a full-automatic real-time precise positioning puncture needle and a positioning method thereof. The full-automatic real-time precise positioning puncture needle comprises a puncture needle body and a visual navigation module. The puncture needle is used for lung biopsy sampling and comprises a needle body part and a handle part. The needle body part is in a slender cylinder shape, the front end is sharpened, tissue can be conveniently penetrated, the handle part is designed to be in a holding shape, handheld operation is convenient, and a shell is in a streamline shape. The visual navigation module is used for navigation positioning assistance in the puncture process. The visual navigation module is in a T shape; by combining the puncture needle and the nuclear magnetic image, path planning and real-time puncture angle monitoring are completed, and complications caused by insufficient precision and path information loss in a traditional percutaneous puncture operation are prevented.

The present technology relates generally to devices and methods for closing percutaneous punctures, and more particularly to a multi-lumen tamper for such a device. A vascular closure device for sealing a percutaneous puncture in a wall of a body passageway is disclosed, the vascular closure device including a plug configured to engage a surface of the puncture; a suture configured coupled to the plug; a locking member configured to engage the plug; and a tamper comprising a first lumen and a second lumen.

The invention provides a skin expanding device and an in-vitro artificial membrane lung puncture sleeve bag, the skin expanding device comprises a plurality of skin expanding tubes which are different in tube diameter and are arranged in a nested mode, the skin expanding tubes are used for expanding, establishing and maintaining a percutaneous puncture channel in an in-vitro artificial membrane lung puncture operation, the skin expanding tubes are connected in a sliding mode, and each skin expanding tube comprises a tube body; the connecting part is fixedly connected to one end of the pipe body; the inserting part is of a through hollow circular truncated cone structure, and the end, with the large diameter, of the inserting part is fixedly connected with the end, away from the connecting part, of the pipe body and communicates with the pipe body; a bayonet is formed in the skin expanding pipe from top to bottom in a penetrating mode and used for fixing a guide wire.

The present invention relates to the technical field of puncture needles, and in particular to a special percutaneous puncture needle for screw-on radioactive seed implantation, comprising a guide needle, a sleeve fixedly connected to the rear end of the guide needle, a guide tube slidingly sleeved on the outer surface of the guide needle, a sliding ball threadedly sleeved on the outer surface of the guide tube, the rear end of the guide tube is clamped with the front end of the sleeve through a docking mechanism, the outer surface of the sliding ball is sleeved with a connecting frame, the inner top position of the connecting frame is connected to a limiting plate through an elastic mechanism, the lower surface of the limiting plate and the inner bottom surface of the connecting frame are respectively provided with curved grooves, the sliding ball is slidably clamped between the upper and lower curved grooves, the two side surfaces of the connecting frame are respectively rotatably connected with connecting rods, a clamping mechanism is provided between the two ends of the limiting plate and the upper surface of the connecting rod, the present invention has the function of quickly completing the positioning of the guide needle, and can cooperate with the support of the thigh root to further improve the stability of the guide needle when inserted, so that the insertion process of the injection needle is convenient and the accuracy is improved.

The percutaneous puncture balloon device comprises a catheter, the outer side wall, close to the operation end, of the catheter is provided with an inner-layer balloon, and the inner-layer balloon is sleeved with an outer-layer balloon; the catheter comprises a catheter body of a hollow structure, the interior of the catheter body is divided into an upper cavity and a lower cavity through a partition plate, the side wall face of the upper cavity is provided with an inner ventilation opening communicated with the inner-layer balloon, and the side wall face of the lower cavity is provided with an outer ventilation opening communicated with the outer-layer balloon. A rotary cavity switching mechanism is arranged at the end, away from the balloon, of the partition plate and used for switching between the upper cavity and the lower cavity. The inner-layer balloon comprises a balloon body, and an elastic binding film layer is arranged in the middle of the balloon body. The traditional Chinese medicine composition has the characteristic of effectively improving the curative effect of a patient suffering from pain in the third branch area.

The present invention discloses an expandable percutaneous puncture needle, belonging to the technical field of medical devices, comprising a needle core and a syringe, wherein the needle core is a solid needle, and the syringe is wrapped around the outer periphery of the needle core, the needle core is a cylinder, the inner hole diameter of the syringe is equal to the outer circle diameter of the needle core, and teeth are symmetrically arranged on both sides of the needle core, the teeth are in the shape of a triangular prism, and the syringe is composed of two semicircular barrel walls, the teeth pass through the gap of the syringe and a part of the teeth are exposed outside the syringe, and the teeth arranged on the needle core expand the range in the bone when the needle core is rotated, and the two barrel walls are driven to separate from each other by a connecting driving mechanism to achieve the same size as the outer diameter of the outer sheath of a conventional expansion sleeve, so as to realize the expansion of the puncture needle and replace the function of the expansion sleeve, thereby eliminating the insertion process of the guide needle and the expansion sleeve, making the surgical operation simpler and safer, reducing the difficulty and risk of the surgery, and reducing the pain and tissue damage caused to the patient by the secondary insertion of the sleeve.

A balloon catheter with positioning and protection functions is used for percutaneous microballoon compression surgery to treat trigeminal neuralgia. It includes a balloon assembly (1) and a catheter assembly (2). The balloon assembly (1) includes a first marker point (11), a second marker point (12), a latex balloon (13), and a third marker point (14). The latex balloon (13) consists of two parts. Its distal part has a smaller outer diameter after inflation and serves as the positioning part (131). Its proximal part has a larger outer diameter after inflation and serves as the compression part (132). The second marker point (12) is located at the junction of the positioning part (131) and the compression part (132) of the latex balloon (13) when it is inflated to the normal size. The positioning step on the latex balloon avoids excessive compression of the posterior fossa during the operation. The location of the balloon step is marked by the second marker point. With the help of preoperative 3D modeling, the balloon position is accurately determined, which reduces the difficulty of the operation.

The systems and methods are configured for vascular and / or neurointerventional procedures. The systems and methods allow safe and rapid access, including percutaneous access, to the carotid arteries, as well as cerebral or intracranial arteries, for the introduction of interventional devices, such as to treat disease conditions. The methods and devices may include vascular access and retrograde systems.

The embodiment of the invention relates to the field of surgical robots, and discloses a percutaneous puncture surgical navigation method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a binocular image of a target surgical area captured by a binocular camera; the binocular image is used for positioning a puncture instrument and a target spot, the puncture instrument is installed at the tail end of a mechanical arm, and the target spot is used for marking the target position of the puncture instrument; according to the error, obtained through positioning, between the puncture instrument and the target spot, the mechanical arm is controlled to move, so that the same distance is kept between the puncture instrument and the target spot in the percutaneous puncture operation process. The percutaneous puncture surgical navigation method solves the problems that in the prior art, calibration needs to be conducted in advance in a surgical navigation mode through an infrared optical positioning system, the surgical navigation cost is high, and operation is complex. At least the effect of visual servo navigation in the percutaneous puncture operation process can be achieved without calibration.

The invention relates to the technical field of medical control, in particular to a surgical robot control system and method based on a quantum multi-dimensional sensor. The method comprises the following steps that a magnetic field sensor based on a superconducting quantum interference device is used for monitoring corresponding magnetic field change distribution in real time, and tumor in-vivo position positioning is carried out, so that percutaneous puncture operation tumor position distribution is obtained. The surgical robot carrying the quantum multi-dimensional sensor is not only suitable for percutaneous paracentesis, but also includes percutaneous puncture tumor minimally invasive surgery, spine minimally invasive surgery, external minimally invasive surgery and the like. The scope of indications covers soft tissue, spine and craniocerebral related diseases, operations such as tumor ablation, scoliosis screw implantation, electrode implantation of Alzheimer's disease and epilepsy, cerebral hemorrhage drainage and the like can be treated, and the whole operation process is carried out under the guidance of imaging equipment such as CT, nuclear magnetism and ultrasound. The percutaneous puncture and ablation control precision of the surgical robot can be improved.

The invention relates to the field of medical auxiliary instruments, in particular to a spinal endoscopic dura mater retraction device which comprises a puncture component, and the puncture component is used for percutaneous puncture to the position close to a spinal canal dura mater; a suspension part is arranged in the puncture part, and the suspension part is used for extending out of the puncture part and being connected with the cut edge of the dura mater. An operation part is further arranged on the puncture part, and the operation part is used for adjusting the retraction force applied to the dural mater by the suspension part; by controlling the operation part, the suspension part is fixed and retracts the dura mater to expose the spinal cord tissue. Through the integration of puncture, suspension and operation components, the traction of the dura mater under the minimally invasive condition of the spine endoscope is realized.

The invention relates to the technical field of medical instruments, and provides a percutaneous puncture recoverable expansion device for a non-lumen structure. The percutaneous puncture recoverable expansion device for the non-lumen structure comprises a puncture guide assembly, a recoverable support assembly and a recovery clamp. Wherein the puncture guide assembly is used for puncturing non-lumen structures, tissues or gaps, and guiding the recoverable stent assembly to reach an expansion area or be taken out from the expansion area; the recoverable stent assembly is used for expanding surrounding tissues to form a safe puncture channel, an ablation target area and a radiotherapy target area; and the recovery clamp is used for taking out the recoverable stent assembly from the expansion area. According to the percutaneous puncture recoverable expansion device for the non-lumen structure, a stable and safe working space can be provided, permanent implantation can be avoided, operation is easy and convenient, safety and reliability are achieved, and the tissue space expansion requirement of percutaneous puncture surgery of the non-lumen structure is met.

In accordance with the inventive concepts, provided is a cryo-delivery apparatus and method. In various embodiments, the cryo-delivery apparatus is useful to perform a percutaneous cryo-delivery method. In one embodiment, a therapeutic is adhered by freezing to a distal end of a catheter, the distal end is brought into contact with tissue to be treated, e.g., directed percutaneously, and the distal end is then thawed to deliver the therapeutic to the tissue. In another embodiment, the distal end is directed to the tissue to be treated, e.g., percutaneously, then brought to freezing to established stable coupling to the tissue, a therapeutic is then directed through the catheter and distal end to the treatment site, the distal end is thawed to release and deliver the therapeutic to the tissue, and the catheter can then be withdrawn.

The invention relates to the technical field of medical instruments, and provides a degree-of-freedom adjustable percutaneous puncture surgery navigation device which comprises a support base, the support base comprises a lower-layer annular base and an upper-layer annular support, and a first supporting rod, a second supporting rod and a third supporting rod are fixedly connected between the lower-layer annular base and the upper-layer annular support; a first fixing rod, a second fixing rod and a third fixing rod are arranged on the surface of the lower-layer annular base, and a second spherical joint is arranged at one end of the first fixing rod. Through multi-dimensional adjustment, the puncture path is completely carried out according to the pre-designed path of CT / MRI, errors caused by subjective measurement of doctors are avoided, the success rate of an operation is increased, the risk of the operation is reduced, and young doctors lack of experience can accurately and successfully puncture at a time.

The present invention provides a real-time ultrasonic percutaneous puncture aspiration biopsy injection device. The improved ultrasonic probe is an ultrasonic-guided percutaneous puncture bone positioning device. The puncture needle is a needle core structure with a triangular pyramid head. The puncture sleeve is sleeved on the main body of the puncture needle, and the tail end of the puncture sleeve has a grip. The outer surface of the puncture sleeve is provided with an external thread. The handle is a sleeve structure with an internal thread matching the external thread of the puncture sleeve, and the handle is screwed on the puncture sleeve through a thread. The other end of the puncture sleeve is introduced through the ultrasonic probe tunnel entrance of the improved ultrasonic probe and led out from the ultrasonic probe tunnel outlet. One end of the handle is clamped at the ultrasonic probe tunnel entrance of the improved ultrasonic probe. This is to solve the problem that when the lesion is adjacent to important nerves, blood vessels or organs, its percutaneous puncture is easy to damage its adjacent important structures and produce serious complications; at the same time, it is difficult to grasp the puncture depth and accurate position. It belongs to the field of medical operation instruments.

The invention relates to an ultrasonic puncture structure and an ultrasonic puncture system. The ultrasonic puncture structure comprises a puncture needle; the puncture cannula is partially arranged on the outer side of the puncture needle in a sleeving mode, and the puncture needle is movably arranged on the puncture cannula, so that the needle point of the puncture needle can be exposed out of the puncture cannula; the ultrasonic transducer is arranged in the puncture needle and close to the needle point of the puncture needle, and the ultrasonic transducer can be electrically connected with ultrasonic imaging equipment of the ultrasonic puncture system so as to transmit ultrasonic signals to the ultrasonic imaging equipment. Therefore, the ultrasonic transducer is integrated in the puncture needle, and the focus part can be monitored in real time through ultrasonic waves emitted by the ultrasonic transducer, so that the puncture needle is guided to accurately pierce the focus part, a percutaneous channel from the puncture cannula to the focus part is established, and later diagnosis and treatment are facilitated. Ultrasonic scanning in the body of a patient can be achieved, transition scanning is not needed, the percutaneous puncture positioning precision is improved, the operation time is shortened, and the medical cost is reduced.

The invention provides a novel percutaneous blood vessel closing device, which relates to the technical field of medical instruments and comprises a multi-cavity tube with a guide wire channel and a plurality of cavities, a bendable guide tube, a fixing piece with an anchoring structure and a degradable suture with a fishing knot. According to the device, the fixing piece is anchored to the surrounding tissue of the blood vessel wall through percutaneous puncture, the suture loop is used for pulling and pressing the blood vessel to achieve closing, through the synergistic effect of the anchoring structure of the fixing piece (a rivet, a self-locking clamp and the like) and the suture loop, uniform and continuous pressing force can be formed, and the closing effect on the gross vein is more reliable especially; the fishing knot design further prevents the suture from loosening, solves the problems of large trauma in the traditional operation and insufficient closing force and limited adaptability of the existing minimally invasive technology, and has the advantages of minimally invasive surgery, low infection risk, simplicity and convenience in operation and adaptation to different blood vessel diameters.

The invention relates to a left ventricle auxiliary device and an implantation assembly. The left ventricle auxiliary device comprises a small and special electric machine and a housing with a blood channel, the small and special motor comprises a shell and a pump machine body, the pump machine body is provided with a motor shaft, pump blades are arranged on the motor shaft, and the motor shaft extends out of the shell and extends into the housing; the shell is provided with a rear cover, the inner end of the wire penetrates through the rear cover to be electrically connected with the pump machine body, and the outer end of the wire is electrically connected with an external power supply control device. The housing comprises a pumping-in cover, a transition pipe and a pumping-out cover, the pumping-in cover is provided with a blood suction hole, and the pumping-out cover is provided with a blood discharge hole; a first suction cup and a second suction cup are arranged outside the shell, and a third suction cup and a fourth suction cup are arranged outside the transition pipe. The left ventricle auxiliary device can be implanted into a body through the implantation assembly. The left ventricle auxiliary device is simple and small in structure, implantation can be completed through percutaneous puncture by means of the implantation assembly, blood can be pumped into the ascending aorta from the left atrium through a blood channel, and the left ventricle auxiliary function is achieved.

1. The name of the design product: puncture robot mainframe trolley. 2. The use of the design product: navigation positioning control and data display for percutaneous puncture surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

A novel device and system for percutaneously accessing and securing target tissue / organs within a patient for interventional diagnosis or treatment and methods for the same. The access device includes an elongated tube having a lumen therethrough configured to engage a tissue via suction, and a clamping element slidably disposed within the elongated tube configured to move from an open position to a closed position in which tissue that is pushed into the elongated tube when suction is applied is pinched between the clamping element and the elongated tube thereby holding an area of tissue exposed at an open end of the elongated tube such that it can be accessed from outside the body of the patient through the tube. The system may include the novel device and a trocar having an awl and a rigid, hollow cannula tube.

The utility model relates to a percutaneous puncture lumbar pedicle screw puncture guiding device which comprises a cylindrical long rod, the cylindrical long rod is composed of a cylindrical front section and a cylindrical rear section which are detachably connected, the length of the cylindrical front section is larger than that of the cylindrical rear section, the front end of the cylindrical front section is of a narrowed structure, and the rear end of the cylindrical front section is of a hollow structure. A hollow sleeve with the length smaller than that of the front end of the cylinder is fixed to the rear side wall of the front section of the cylinder. The guiding device is beneficial to accurately finding the needle inserting point of the pedicle screw of the superior zygopophysis, effectively overcomes repeated blind puncture, and enables the percutaneous pedicle screw to be placed more accurately and safely.

The invention provides a double-net-bag cooperative percutaneous puncture integral tumor excision system. The double-net-bag cooperative percutaneous puncture integral tumor excision system comprises net bags, the puncture coaxial guide system is used for establishing a percutaneous working channel from the body surface to the tumor edge; a fixing anchor is arranged at the far end of the inner core fixing rod and is used for fixing tumor tissues; the double-net-bag cutting system comprises an outer net bag and an inner net bag; the outer net bag is made of a high-rigidity material and is used for firstly expanding to create a protected operation space in tissues around the tumor. The whole core cutting component is double-net-bag cooperative cutting, no circuit or sensor or hydraulic system is adopted, the production cost is extremely low, large-scale manufacturing is easy, operation is visual, the whole operation process only comprises several simple actions of pushing, rotating and pulling, the learning cost of doctors is low, the surgical operation intuition is well met, and popularization is easy.