51 results about "Percutaneous aspiration" patented technology

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 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 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 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.

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 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 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.

The invention relates to the technical field of multi-dimensional analysis, in particular to a percutaneous puncture needle force feedback data real-time processing system. The system comprises a data acquisition module used for acquiring stress data of all dimensions of a percutaneous puncture needle; the dimension influence analysis module is used for determining an abnormal fluctuation coefficient of a single dimension according to an unsmooth rule condition of change of the stress data on the single dimension, and determining an influence coefficient of the stress data of each dimension in combination with the relation of multi-dimensional force feedback; and the feedback transmission adjustment module is used for carrying out weighted adjustment on all dimensions during LOF anomaly detection to obtain a more accurate adjusted LOF value and carrying out regulation and control judgment on whether transmission feedback can be carried out or not. According to the method, single-dimensional and multi-dimensional comparative analysis is carried out on the multi-dimensional stress data to measure the influence credible condition of the current participation of each dimension in the abnormity, LOF abnormity detection is adjusted, and real-time data are transmitted and fed back more accurately.

Techniques for segmenting a percutaneous medical procedure based on one or more determinable phases. The techniques may include obtaining a first set of features over a first time period. The first set of features may be derived from instrument telemetry data corresponding to an endoluminal scope instrument. The technique may also include obtaining a second set of features over the first time period. The second set of features may be derived from instrument telemetry data corresponding to a percutaneous needle instrument. Based on the first set of features and the second set of features, the techniques may classify at least a portion of the first time period as a first phase of the percutaneous medical procedure.

The present application relates to the technical field of multi-dimensional analysis, and in particular to a real-time processing system for force feedback data of a percutaneous puncture needle. The system comprises a data acquisition module for acquiring force data of all dimensions of the percutaneous puncture needle; a dimension influence analysis module for determining an abnormal fluctuation coefficient of a single dimension according to the uneven change rule of the force data of the single dimension, and determining an influence coefficient of the force data of each dimension in combination with the correlation of multi-dimensional force feedback; and a feedback transmission adjustment module for weighted adjustment of all dimensions when LOF anomaly detection is performed, so as to obtain a more accurate adjusted LOF value and perform a regulation and judgment on whether transmission feedback can be performed. The present application performs single-dimensional and multi-dimensional comparative analysis on multi-dimensional force data to measure the influence credibility of each dimension in participating in an anomaly, adjusts the LOF anomaly detection, and more accurately performs transmission feedback on real-time data.

Methods for sealing a percutaneous puncture in a wall of a body passageway are disclosed herein. The methods include inserting a deployment instrument into the puncture via a toggle along the guidewire, and actuating the deployment instrument to move the first component and the second component relative to each other such that the toggle abuts the wall of the artery proximate the puncture to seal the puncture.

1. Name of the product in this design: Percutaneous puncture surgical robot trolley. 2. Intended use of this design: for puncture-type surgeries. 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.

The invention relates to the technical field of experimental animal cerebral ischemia model construction, in particular to a cerebral ischemia model percutaneous puncture suture introduction method and a cerebral ischemia model percutaneous puncture suture introduction device, and the method comprises the following steps: percutaneous puncture of common carotid artery by a superfine puncture needle, withdrawal of the puncture needle after feeding into a micro catheter sheath through a needle cavity, and compression hemostasis by an external pressure type micro air bag ring. The suture is pushed to the starting section of the middle cerebral artery through the micro catheter sheath to complete embolism, the suture is withdrawn during reperfusion, air bag hemostasis is carried out again, and the device comprises a superfine puncture needle, the coaxial micro catheter sheath, a suture pushing core wire and an external pressure type micro air bag ring which form a three-layer nested structure, and the superfine puncture needle, the coaxial micro catheter sheath, the suture pushing core wire and the external pressure type micro air bag ring form a three-layer nested structure. The integrity of the blood vessels and the smoothness of the blood flow are completely retained after operation.

This disclosure provides methods, devices, and systems for planning medical procedures. The present implementations more specifically relate to techniques for using machine learning to predict distension of an anatomy and recommend a plan for percutaneously accessing a target within the anatomy based on the predicted distension. In some aspects, a recommendation system may extract features from input data representing a mapping of an anatomy and infer, from the extracted features, a location on the anatomy for percutaneous entry based on a machine learning model trained on fluidics simulations that predict anatomical distension in response to irrigation. Example suitable input data may include three-dimensional images of the anatomy, two-dimensional images of the anatomy, and / or sensor data received via sensors disposed on an instrument within the anatomy. The recommendation system may further generate a plan for percutaneously accessing a target within the anatomy via the location inferred from the set of features.

The invention discloses a minimally invasive ultrasonic guided percutaneous rabbit intervertebral disc degeneration modeling mode, and relates to the technical field of ultrasonic modeling, and the method comprises the following steps: fixing an experimental rabbit on an operation table in a prostrate manner in an anesthetic state, and raising the abdomen to maintain lumbar lordosis; an ultrasonic probe is used for scanning along the longitudinal axis of the spine, and the L5 transverse process is recognized upwards from the highest point of the crista iliaca; positioning an L5 / 6 intervertebral disc gap in the cross section ultrasonic image by taking the identified L5 transverse process as an anatomical reference; a stable high-echo target spot formed by fascia is confirmed in the intersection area of the L5 transverse process head side and the superior articular process ventral side; marking a puncture needle insertion position on the skin surface according to the high-echo target spot; percutaneous puncture is conducted under ultrasonic real-time guidance along the marked position, the needle tip slides into the L5 / 6 intervertebral disc along the superior zygopophysis bone surface, and it is confirmed that the needle tip is located in the nucleus pulposus through viscous resistance and the unlocking hand feeling; the needle tip is controlled to stay in the intervertebral disc for 10 seconds, the puncture depth is kept at 5 mm, and mechanical disturbance is completed to induce the intervertebral disc to retreat.

The invention relates to the technical field of medical apparatus and instruments, and discloses a disposable body surface noninvasive traction patch for percutaneous suspension of a balance drag hook, which is characterized by comprising a traction patch, the traction patch comprises a flexible substrate layer and a medicine-carrying biological adhesive layer which are sequentially arranged from top to bottom; a traction anchoring part is arranged on the upper surface of the traction patch, a connecting part is arranged on the traction anchoring part, and the connecting part is used for being connected with an external traction piece. The non-invasive operation can be thoroughly achieved, body surface fixation is achieved through the traction patch, percutaneous puncture is not needed, risks such as puncture point bleeding and nerve injury are eliminated, the operation safety is improved, meanwhile, extra scars are avoided, and the postoperative attractiveness is guaranteed; the traction paste is fixed to the body surface, an internal operation channel of a single hole under the xiphoid process is not occupied, the problem of instrument fight is thoroughly solved, the sufficient operation space is provided for a surgeon, and the operation smoothness and accuracy are improved.

The invention provides a CT embedded percutaneous puncture surgical robot which comprises a mainframe box, a system control box, two mechanical arms, a manipulator and an upper computer, the two mechanical arms extend out of the system control box, and supporting points at the far ends of the two mechanical arms are located in a scanning plane of a CT machine; the outer contour of the mainframe box is in a circular arc shape, and the mainframe box is arranged above the interior of a CT hole of a scanning frame of a CT machine through a supporting point at the far end of the mechanical arm. An arc-shaped sliding rail and a sliding block are arranged in the mainframe box; the manipulator comprises a puncture depth controller, a trocar holder, a trocar and a trocar driver; when in use, the trocar is located in a scanning plane of the CT machine. According to the system, early and early lung tumors can be accurately positioned, a doctor can puncture a tumor part with the puncture trocar to obtain a pathological sample while CT is carried out, and the credibility of a puncture biopsy result reaches 100%.

1. The name of the design product: puncture robot mechanical arm trolley. 2. The use of the design product: suitable for the movement positioning navigation of the mechanical arm of 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 system and method for evaluating percutaneous needle pathways provides an automatic segmentation of local tissue structures and performs a weighting to rank a large number of paths to quickly identify clinically favorable choices.

The application relates to the technical field of medical control, in particular to a transcutaneous puncture operation robot system and a control method based on a quantum multidimensional sensor. The method comprises the following steps: a magnetic field change detection and a puncture needle position determination are performed on a puncture process by using a magnetic field sensor based on a superconducting quantum interference device, and a transcutaneous puncture operation puncture needle position distribution is obtained. Meanwhile, the system is based on an advanced technical architecture, and can provide accurate support for various transcutaneous puncture operation modes, which cover the fields of transcutaneous puncture tumor minimally invasive operation, spine minimally invasive operation, neurosurgery minimally invasive operation and the like. The system has wide indications, and can be used for soft tissue, spine and brain related diseases, and can cope with various operations such as tumor ablation, spine scoliosis screw implantation, Alzheimer's disease and epilepsy electrode implantation, brain hemorrhage drainage and the like. The application can ensure the accuracy and safety of puncture.

An implant system is provided, which includes an implant, including an implant body and an electrode disposed on the implant body; and a hollow needle, which is configured to be percutaneously advanceable into tissue of a subject. The hollow needle is shaped so as to define a lumen dimensioned to house the implant; at a distal end of the hollow needle, a distal end opening configured to facilitate passage of the implant therethrough from the lumen; and a lateral wall shaped so as to define a window therethrough to the lumen. Other embodiments are also described.