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739 results about "Surgical site" patented technology

Standard artificial temporomandibular joint installation navigation system based on augmented reality

The invention discloses an augmented reality-based standard artificial temporomandibular joint installation navigation system, which comprises the following steps: S1, carrying out image registration on a preoperative CT image of a patient and a target operative site to obtain a registration result, and S2, updating the registration result in real time, and readjusting registration based on AR display equipment to obtain a registration result; virtual-actual transformation between the virtual image and the actual model is realized; s3, calibrating a surgical instrument, respectively aligning the surgical instrument with the TMJ surgical site and the virtual model, and tracking the position and posture of a patient entity in real time; and S4, navigating the artificial joint installation path in real time based on the updated position and posture of the patient entity.
Owner:SHANGHAI NINTH PEOPLES HOSPITAL SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE

Multi-mode lymphedema evaluation and surgical navigation system based on image processing

The invention relates to the technical field of medical equipment, and provides a multi-modal lymphedema assessment and surgical navigation system based on image processing, which comprises a 3D scanning modeling module used for acquiring three-dimensional point cloud data of the body surface of a patient through structured light 3D scanning equipment, an iconography examination analysis module used for performing U-Net image segmentation on CT / MRI image data, and an image processing module used for processing the CT / MRI image data. The ultrasonic result calculation module is used for carrying out Canny edge detection on an ultrasonic image to determine the boundary of a surgical site, and the data integration and navigation generation module is used for realizing multi-modal data fusion through mutual information maximization, generating a surgical path based on FMM and carrying out real-time navigation in combination with an AR technology. According to the method, objective evaluation of lymphedema and accurate navigation of the operation are realized through accurate integration of multi-modal data and an image processing technology, the diagnosis and treatment accuracy is effectively improved, the operation risk is reduced, complications are reduced, and a scientific basis is provided for personalized treatment.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV

Robotic surgical system machine learning algorithms

A surgical robot is coupled to the surgeon console. The surgical robot performs a robotic surgical procedure. The surgical robot includes one or more robotic surgical arms. A control system is coupled to the one or more robotic surgical arms. An artificial intelligence (“AI”) system includes a plurality of machine learning algorithms. The robotic surgical arms are at least partially controlled by the AI system and the control device to process intraoperative data including images captured by cameras and sensor inputs. The machine learning algorithms analyze the intraoperative data in real time, comparing it with stored images and procedural information in image recognition and procedure databases. The one or more machine algorithms enable at least partial identification of anatomical structures. In response to detection of the anatomical structures the AI system at least partially adjusts movement of the robotic surgical arms to avoid critical anatomical structures while performing the robotic surgery procedure to ensure precise targeting at the surgical site while minimizing damage to surrounding tissue at a surgical site. The AI system provides a surgeon with improved dexterity when the surgeon uses the robotic surgical arms at the surgical site, the improved dexterity resulting from at least partially analyzing the intraoperative data in real time by the one or more machine learning algorithms, enabling precise and adaptive manipulation of the robotic surgical arms at the surgical site.
Owner:BRUBAKER WILLIAM +1

Intelligent anesthetic injection control system

The invention relates to the field of intelligent control, and particularly discloses an anesthetic injection intelligent control system which predicts and generates personalized initial injection parameters by deeply integrating multi-source heterogeneous data such as patient individual information, surgical sites and anesthetic types. Through high-frequency collection of physiological and process signals such as tissue pressure and injection displacement, the system can accurately calculate the current actual pressure, the pressure change trend, the real-time flow rate and the total injected amount. The real-time monitoring data is continuously compared and evaluated with the generated personalized threshold value and the preset target so as to intelligently judge whether the current injection is smooth or not, whether abnormal resistance exists or not or whether the current injection is close to the target or not, and a mark reflecting the current injection state is generated according to the judgment result; and finally, the system dynamically adjusts the output of the injection pump according to the state flag in combination with a preset control logic and an optimization algorithm, and adaptively corrects the current target flow velocity.
Owner:NANTONG STOMATOLOGICAL HOSPITAL (NANTONG STOMATOLOGICAL HOSPITAL AFFILIATED TO NANTONG UNIV)

Intelligent vein closing system and control method thereof

The invention provides an intelligent vein closing system and a control method thereof, and belongs to the technical field of medical instruments.The intelligent vein closing system comprises a radio frequency generator host and a closing catheter, and the radio frequency generator host is used for generating and controlling output of radio frequency energy; the closed catheter comprises a handle, a catheter body and a heating working end which are connected in sequence, and the handle is detachably connected with the radio frequency generator host; wherein an infusion pump is integrated on the radio frequency generator host, and the infusion pump is used for infusing swelling liquid to a surgical site and is controlled by a control unit in the radio frequency generator host; a pressure sensor array is arranged outside the heating working end of the closed catheter and used for detecting the attaching pressure between the heating working end and the blood vessel wall in real time. The device is high in integration, and vein closing effectiveness, stability and treatment consistency are improved.
Owner:HUNAN RONGKAI TECHNOLOGY CO LTD

Pose information processing method and pose information processing device

The invention is suitable for the technical field of computers, and provides a pose information processing method and a pose information processing device. The method comprises the following steps: acquiring first pose information of a head display device worn by an operator in a first time period; on the basis of the first pose information, pose information of the head-mounted display device in a second time period is predicted, and second pose information of the head-mounted display device at all moments in the second time period is obtained; based on each piece of second pose information at a target moment, generating a first virtual image of the surgical site of the patient at the target moment, the target moment being any moment in the second time period; and controlling the head-mounted display device to display the first virtual image at the target moment. According to the invention, the image dithering phenomenon can be effectively relieved.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

Multi-degree-of-freedom lifting mechanism and lifting frame for arthroscope perfusate

The invention discloses a multi-degree-of-freedom lifting mechanism and a lifting frame for arthroscope perfusate. The invention relates to the technical field of medical instruments. The device is composed of a vehicle body, a lifting mechanism, a clamping assembly and a space angle adjusting mechanism. The trolley body is designed to be movable and can be conveniently and flexibly positioned in an operating room. The lifting mechanism is connected with the clamping and fixing assembly through a vertically-arranged ball screw assembly, and accurate lifting control over the clamping and fixing assembly is achieved. The clamping and fixing assembly is used for clamping and fixing the perfusate bag to ensure stable supply of perfusate in the operation process; according to the technology, free adjustment of pitching, yawing and rolling angles of the perfusion pipe in a three-dimensional space is achieved through the spherical gear mechanism, and the flexibility of the perfusion system is improved. A doctor can quickly and accurately adjust the angle of the infusion tube according to the specific anatomical structure of a surgical site, it is ensured that liquid can be accurately flushed, a blind area is effectively avoided, and the definition of the surgical field is improved.
Owner:JIAXING CITY NO 2 HOSPITAL

Surgical anatomy monitoring method and system based on AR glasses

The invention provides a surgical anatomy monitoring method and system based on AR glasses, and relates to the technical field of augmented reality, and the method comprises the steps: obtaining medical knowledge data through augmented reality equipment, and generating a digital data set containing a three-dimensional model, a text and a two-dimensional image; acquiring real-time image data from the surgical site, extracting corresponding anatomical structure data, and generating a three-dimensional model data set; presenting the three-dimensional model data set through augmented reality equipment, and superposing the surgical operation guidance data to generate an interactive display result; and receiving a voice control instruction, adjusting the three-dimensional model data set or the surgical operation guidance data, and generating adjusted display content. According to the method, the shielded organ structure in the image data can be analyzed, a complete anatomical structure is generated by combining database inference, and related information is automatically labeled. According to the system, by integrating medical knowledge, the augmented reality technology and image recognition analysis, visual and accurate visualization assistance is provided for an operation, and the operation precision and the teaching effect are improved.
Owner:THE FIRST AFFILIATED HOSPITAL OF NAVAL MEDICAL UNIVERSITY OF CHINESE PEOPLES LIBERATION ARMY

Techniques for modifying tool operation in a surgical robotic system based on comparing actual and commanded states of the tool relative to a surgical site

A surgical system and method of operating the same. A manipulator supports and facilitates movement of a surgical tool along a tool path relative to a surgical site. A navigation system includes a localizer to monitor states of the manipulator and the surgical site. Controller(s) determine a commanded state of the surgical tool and an actual state of the surgical tool relative to the tool path for a given time step. The controller(s) detect a deviation between the commanded state and the actual state of the surgical tool for the given time step. The controller(s) respond to the deviation by modification of one or both of: a feed rate of the surgical tool; and the tool path. In some implementations, the controller(s) predict, based on the deviation, a future deviation between a future commanded state and a future actual state of the surgical tool for a given future time step.
Owner:MAKO SURGICAL CORP

Aortic valve assist prosthesis for preventing backflow

The present application relates to the field of medical devices, and specifically to an aortic valve auxiliary prosthesis for preventing regurgitation, comprising: a main body, which is configured to remain in place in the aorta at the surgical site; and three auxiliary leaflet segments configured to cooperate with the three free segments of the native leaflets of the aortic valve; the three auxiliary leaflet segments are fixed to the main body. The present invention allows the original native leaflets to be retained, and when the native valve is closed, the purpose of improving the prevention of regurgitation is achieved by overlapping and covering the free segments of the native valve, with significant therapeutic effects and stronger targeting. Since the native valve is retained, most of the impact force of blood when flowing is still on the native valve, the reliability requirements for the fixed positioning of the main body are low, and the morphological changes to the native valve are smaller.
Owner:NINGBO JENSCARE BIOTECHNOLOGY CO LTD

Robotic surgical system machine learning algorithms

A surgical robot is coupled to the surgeon console. The surgical robot performs a robotic surgical procedure. The surgical robot includes one or more robotic surgical arms. A control system is coupled to the one or more robotic surgical arms. An artificial intelligence (“AI”) system includes a plurality of machine learning algorithms. The robotic surgical arms are at least partially controlled by the AI system and the control device to process intraoperative data including images captured by cameras and sensor inputs. The machine learning algorithms analyze the intraoperative data in real time, comparing it with stored images and procedural information in image recognition and procedure databases. The one or more machine algorithms enable at least partial identification of anatomical structures. In response to detection of the anatomical structures the AI system at least partially adjusts movement of the robotic surgical arms to avoid critical anatomical structures while performing the robotic surgery procedure to ensure precise targeting at the surgical site while minimizing damage to surrounding tissue at a surgical site. The AI system provides a surgeon with improved dexterity when the surgeon uses the robotic surgical arms at the surgical site, the improved dexterity resulting from at least partially analyzing the intraoperative data in real time by the one or more machine learning algorithms, enabling precise and adaptive manipulation of the robotic surgical arms at the surgical site.
Owner:BRUBAKER WILLIAM +1

Robot mounted camera registration and tracking system for orthopedic and neurological surgery

A surgical method includes, for example, tracking, via at least one camera attached to a robotic arm of a surgical robot, a surgical site of a patient, the robotic arm having a plurality of joints and a plurality of body parts, controlling the robotic arm to perform a surgical procedure at the surgical site of the patient based on the camera tracked surgical site of the patient, and wherein the tracking comprises controlling the movement of the plurality of joints and body parts of the robotic arm to maintain a line of sight of the at least one camera directed towards the surgical site of the patient.
Owner:MONOGRAM ORTHOPEDICS INC +1

Robotic surgical system with artificial intelligence

A surgical robot is coupled to the surgeon console. The surgical robot performs a robotic surgical procedure. The surgical robot includes one or more robotic surgical arms. A control system is coupled to the one or more robotic surgical arms. An artificial intelligence (“AI”) system includes a plurality of machine learning algorithms. The robotic surgical arms are at least partially controlled by the AI system and the control device to process intraoperative data including images captured by cameras and sensor inputs. The machine learning algorithms analyze the intraoperative data in real time, comparing it with stored images and procedural information in image recognition and procedure databases. The one or more machine algorithms enable at least partial identification of anatomical structures. In response to detection of the anatomical structures the AI system at least partially adjusts movement of the robotic surgical arms to avoid critical anatomical structures while performing the robotic surgery procedure to ensure precise targeting at the surgical site while minimizing damage to surrounding tissue at a surgical site. The AI system provides a surgeon with improved dexterity when the surgeon uses the robotic surgical arms at the surgical site, the improved dexterity resulting from at least partially analyzing the intraoperative data in real time by the one or more machine learning algorithms, enabling precise and adaptive manipulation of the robotic surgical arms at the surgical site.
Owner:BRUBAKER WILLIAM +1

Non-swellable hemostatic materials for surgical use

In various aspects, the present application provides methods for achieving hemostasis during surgery in a patient in need thereof. The present application contemplates that such methods include applying a flowable and non-swellable composition comprising a hydrophobically- modified chitosan to a surgical site comprising a bleed. In embodiments, the surgical site is at risk of pressure-related injury.
Owner:MEDCURA INC

Device with function of relieving pain after hepatobiliary surgery

The invention discloses a device with a function of relieving pain after hepatobiliary surgery, which comprises a waistband body, two ends of the waistband body are movably sleeved with an adjusting frame, two end faces of the adjusting frame are respectively provided with massage grooves, the front side surface of the adjusting frame is fixedly provided with a massage assembly, and the rear side surface of the adjusting frame is pasted with a disposable auxiliary assembly. A cold compress mesh belt is arranged at the position, between the two adjusting frames, of the waistband body, and a cold compress assembly is fixedly installed on the surface of the cold compress mesh belt; the device can be used for cold compress, massage and traditional Chinese medicine hot compress on the surgical site at the same time, pain and swelling are relieved at the same time, blood circulation is promoted, muscular tension is relieved, and the comfort of a patient is improved.
Owner:THE FOURTH HOSPITAL OF HEBEI MEDICAL UNIVERSITY (HEBEI CANCER HOSPITAL)

Hemostatic ring with fixing support

The utility model discloses a bleeding expelling and stopping ring with a fixing support, and relates to the technical field of medical instruments. The hemostasis device comprises a hemostasis ring and a fixing support, one end of the fixing support is detachably and fixedly connected with the hemostasis ring, and the other end of the fixing support is detachably and fixedly connected with a diseased limb. The elastic contraction ring and the bleeding stopping ring are arranged and can be tightly attached to the diseased limb, the uniform and lasting bleeding stopping effect is achieved, complications caused by a conventional air pressure tourniquet are reduced, and the occurrence of lower limb deep vein thrombosis is reduced; the rod-rod fixing clamp is arranged, the angle and the position of the support can be adjusted according to the operation requirement and the change of the body position of the patient, and therefore the accurate control over the operation body position of the patient is achieved; the bleeding expelling and stopping ring and the fixing support are connected and combined for use, so that the risk that the operation operable area range is possibly reduced and the operation difficulty is increased when one end close to the operation part is fixed through an external support is avoided, and the operation success rate is increased.
Owner:CIXI BLD MEDICAL INSTR CO LTD

Devices for providing tissue support during breast reconstruction, and systems and methods thereof

PendingUS20250345169A1Mammary implantsTissue regenerationResorbable polymersSurgical site
Embodiments described herein relate to a support device configured to provide tissue support, during implant-based breast surgery. Embodiments described herein include a matrix sheet disposed in a foldable sheet including one or more templates including at least one of a partial support template and a full support template. The partial support template is configured for use in shaping the matrix sheet into a support device for partial coverage for a breast prosthesis. The full support template is configured for use in shaping the matrix sheet into a support device for full coverage for a breast prosthesis. In some embodiments, the support device is a bioabsorbable mesh substrate, a bioabsorbable polymer coating, and one or more active pharmaceutical agents for delivery at the surgical site. The support device may be provided in various shapes for coverage of the breast prosthesis or provided with templates for various coverage of the breast prosthesis. The support device forms a macroporous scaffold, and the macroporous scaffold may act as a lattice for new tissue ingrowth.
Owner:MELODI HEALTH INC

Endoscope unclogging system and method

Systems and methods of in situ unclogging a working channel in a medical device during a procedure are disclosed. An exemplary unclogging system comprises a flow sensor to sense a flow rate through a working channel, and a control module to detect a channel state indicating a presence or absence of clogging based on the flow rate. In the presence of channel clogging, the control module can control one or more of an irrigation source or a suction source to provide respectively irrigation fluid or suction pressure to unclog the obstructed channel. The control module can adjust one or more of an irrigation flow rate or a suction flow rate through the working channel to maintain a desired pressure of the anatomical environment at the anatomical site, or to maintain a desired flow condition in the working channel, during the procedure.
Owner:GYRUS ACMI INC

Techniques For Modifying Tool Operation In A Surgical Robotic System Based On Comparing Actual And Commanded States Of The Tool Relative To A Surgical Site

A surgical system and method of operating the same. A manipulator supports and facilitates movement of a surgical tool along a tool path relative to a surgical site. Controller(s) determine commanded states and actual states of the surgical tool relative to the tool path for a plurality of time steps. The controller(s) detect at least one deviation between the commanded states and the actual states of the surgical tool for at least one of the plurality of time steps. The controller(s) respond to the deviation by modification of one or both of: a feed rate of the surgical tool; and the tool path.
Owner:MAKO SURGICAL CORP

Systems and methods for fusing arthroscopic video data

Systems for fusing arthroscopic video data are described. A system comprises an arthroscopic assembly, an inertial measurement unit (IMU) mounted on the arthroscopic assembly, a processor, and a processor-readable storage medium. An arthroscopic surgical plan, images from the arthroscopic assembly, and measurements from the IMU may be obtained. The images and the measurements may be combined to form a data combination. The data combination may be filtered to form a fused data set. The fused data set may control a device. A map of an arthroscopic surgical site may be created based on the fused data set, and a position of the arthroscopic assembly with respect to the arthroscopic surgical site may be calculated. The arthroscopic surgical plan may be updated based on at least one of the map of the arthroscopic surgical site and the position of the arthroscopic assembly.
Owner:SMITH & NEPHEW INC +2

Robotic surgical system machine learning algorithms

A surgical robot is coupled to the surgeon console. The surgical robot performs a robotic surgical procedure. The surgical robot includes one or more robotic surgical arms. A control system is coupled to the one or more robotic surgical arms. An artificial intelligence (“AI”) system includes a plurality of machine learning algorithms. The robotic surgical arms are at least partially controlled by the AI system and the control device to process intraoperative data including images captured by cameras and sensor inputs. The machine learning algorithms analyze the intraoperative data in real time, comparing it with stored images and procedural information in image recognition and procedure databases. The one or more machine algorithms enable at least partial identification of anatomical structures. In response to detection of the anatomical structures the AI system at least partially adjusts movement of the robotic surgical arms to avoid critical anatomical structures while performing the robotic surgery procedure to ensure precise targeting at the surgical site while minimizing damage to surrounding tissue at a surgical site. The AI system provides a surgeon with improved dexterity when the surgeon uses the robotic surgical arms at the surgical site, the improved dexterity resulting from at least partially analyzing the intraoperative data in real time by the one or more machine learning algorithms, enabling precise and adaptive manipulation of the robotic surgical arms at the surgical site.
Owner:BRUBAKER WILLIAM +1

Graphical user guidance for a robotic surgical system

Graphical user guidance for a robotic surgical system is provided. In one embodiment, a graphical user interface for a robotic surgical system comprises a first region and a second region. The first region is used to display an endoscopic view of a surgical site inside a patient taken by an endoscopic camera of the robotic surgical system, and the second region is used to display user feedback information. The graphical user interface overlays a guidance message on top of the endoscopic view of the surgical site in the first region to provide user instructions for interacting with a user input device to engage a robotic arm of the robotic surgical system. Other embodiments are provided.
Owner:AURIS HEALTH INC

Surgical site marking and verifying system based on multi-modal sensing and AI real-time checking

The invention discloses a surgical site marking and verifying system based on multi-modal sensing and AI real-time checking, and belongs to the technical field of medical instrument management. The system comprises: a data acquisition module for acquiring a copy of preset surgical site data associated with a patient identity identifier; the intelligent marking pen comprises a pen point; the real-time checking module is used for checking whether a physical position of the pen point is consistent with a target area limited by preset surgical site data or not in real time when a proximity sensor detects that the pen point is located within a preset distance of the skin of a patient; the mark execution module is used for forming a physical mark in the target area under the condition that the verification result of the real-time verification module is consistent; and the multi-mode verification module is used for verifying the physical mark in the operation so as to confirm the consistency of the physical mark, the patient identity identifier and the preset operation site data. According to the invention, marking errors are avoided, and the problem that traditional marks are easy to erase is solved.
Owner:ZHEJIANG UNIV

External skin dilator

The invention relates to the technical field of skin dilators, and discloses an external skin dilator which comprises a main body assembly, an external skin dilator body and an external skin dilator body. The adjusting assembly is located on the bonding plate and comprises a fixing piece, the fixing piece comprises a first fixing block, a second fixing block and a third fixing block, and the first fixing block is fixed to the bonding plate. The dilator has the advantages that the dilator integrates the preoperative skin dilation function and the postoperative tension reduction function, the preoperative dilation function can continuously generate outward tension on the skin around a pre-operation, the slack area of the skin around the pre-operation is relatively enlarged, meanwhile, the tension reduction function can be achieved after the operation, the tension of the edge of a wound is reduced, and the wound healing effect is improved. The dilator is simple in structure and convenient to use, wound healing is facilitated, tension can be adjusted, the tension borne by skin is always within a safe and reasonable range, the dilator cannot shield an operation site in an operation, and it is guaranteed that a doctor can clearly observe and operate the operation area.
Owner:SHANGHAI CHILDRENS MEDICAL CENT AFFILIATED TO SHANGHAI JIAOTONG UNIV SCHOOL OF MEDICINE

Method for reconstructing three-dimensional model based on artificial intelligence by using two-dimensional image and application thereof

The invention provides a method for reconstructing a three-dimensional model based on artificial intelligence by using a two-dimensional image and an application thereof, when an implant is required to replace a lesion tissue during an operation, the lesion tissue does not need to be scanned by three-dimensional CT scanning, and only the two-dimensional medical image needs to be shot, so that the three-dimensional model is reconstructed. And a three-dimensional model of the lesion tissue can be obtained through the artificial intelligence model. A doctor can understand the specific condition of a surgical site through the three-dimensional model, then make a targeted surgical scheme, and directly design a corresponding implant and a customized surgical auxiliary tool in the three-dimensional model according to the surgical site. Meanwhile, related auxiliary design of the implant and the surgical auxiliary tool in the manufacturing process through the three-dimensional printing technology can be automatically generated, and finally, the generated design data of the implant and the surgical auxiliary tool are sent to the three-dimensional printing equipment to directly complete printing operation of the implant and the surgical auxiliary tool. The working process can be greatly simplified, the accuracy is improved, and the design requirements of customized medical equipment are met.
Owner:KOLN HONG KONG LTD

Method and device for dynamically adjusting motion control mode based on intraoperative view environment, medium and program product

The embodiment of the invention provides a method and equipment for dynamically adjusting a motion control mode based on an intraoperative visual field environment, a medium and a program product, and relates to the field of intelligent medical treatment. The method comprises the following steps: acquiring an intraoperative view image and a preset basic force threshold value according to the tissue type of a to-be-operated site; calculating an intraoperative tissue real-time deformation rate based on the intraoperative view image, and calculating a real-time force safety threshold according to a preset basic force threshold and the tissue real-time deformation rate; receiving real-time contact force of the instrument and the tissue, comparing the real-time contact force with a real-time force safety threshold value, and if the real-time contact force is smaller than or equal to the real-time force safety threshold value, outputting an instruction of damping force in direct proportion to the real-time contact force; if the real-time contact force is larger than the real-time force safety threshold value, an emergency braking program instruction is output. According to the method, factors, such as tissue deformation and illumination change, which cause instability of the surgical field of view in the surgical environment are introduced, so that the environmental adaptability and dynamic adjustment of the field of view mechanism in the robot-assisted surgical operation process are improved.
Owner:AEROSPACE CENT HOSPITAL

Auxiliary operation positioning system based on AI intelligent navigation

The invention discloses an auxiliary operation positioning system based on AI intelligent navigation, and the system comprises an image data collection module which is used for obtaining the original image data and operation planning information of an operation part of a patient; the navigation model construction module is used for constructing a three-dimensional navigation model based on the original image data and generating a target key point and a target path through a preset AI model based on the operation planning information; the positioning and tracking module is used for acquiring the position information of the surgical instrument in real time in the surgical process and mapping the position information into the three-dimensional navigation model; and the real-time positioning correction module is used for acquiring continuous image frames acquired by the surgical instrument in real time, acquiring intraoperative motion deviation through optical flow estimation based on real-time image data, and correcting the target key point and the target path based on the intraoperative motion deviation. According to the method, the intraoperative motion deviation is obtained in real time through optical flow estimation, target positioning is corrected, and the accuracy and reliability of operation positioning can be improved through the real-time dynamic correction mechanism.
Owner:HANGZHOU GREEN SHU BIOTECHNOLOGY CO LTD

Medical devices for use in the creation of a temporary pneumoperitoneum

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.
Owner:CORE ACCESS SURGICAL TECHNOLOGIES INC

Balloon expansion equipment for urinary surgery endoscopic surgery

The invention relates to the technical field of urinary surgery, in particular to a balloon expansion device for urinary surgery endoscopic surgery, which comprises an air bag, a catheter and an adjusting mechanism, the catheter horizontally penetrates through the air bag and is communicated with the adjusting mechanism. The interior of the air bag is divided into a plurality of independent inner cavities through the first diaphragm, the second diaphragm and the third diaphragm, and independent expansion control over all areas is achieved by matching with the filling pipes and the adjusting mechanisms which are in one-to-one correspondence; an operator can accurately adjust the filling degree of different inner cavities according to the anatomical structure difference of the surgical site, excessive expansion of a non-target area is avoided, the accuracy of surgical operation is remarkably improved, and the device is particularly suitable for fine treatment of local tissue in a complex urinary surgery endoscopic surgery.
Owner:THE FIRST AFFILIATED HOSPITAL OF HEBEI NORTH UNIV