424 results about "Surgical site" patented technology

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.

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.

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.

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.

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.

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.

The invention discloses an active composite gel sealing material as well as a preparation method and application thereof, and belongs to the technical field of medical materials. The active composite gel sealing material based on multiple crosslinking provided by the invention has excellent tissue adhesion and sealing performance; good in-vivo compatibility, biodegradability, low immunogenicity and high safety are achieved; the mechanical strength is high, the self-repairing capability is good, and the anti-hydrolysis stability is high; the adhesive property and the state of the material can be adjusted by adjusting the proportion of the components and adjusting the adhesive property and the state of the material, so that the requirements on different adhesive properties in practical application are met, irregular wounds are filled, and rapid gelation is performed at the body temperature so as to adapt to the form of a surgical site; the effects of stopping bleeding, resisting inflammation, promoting revascularization and repairing nerves are also achieved.

The invention belongs to the technical field of medical equipment, and particularly discloses plasma operation equipment and a using method thereof, and the plasma operation equipment comprises a host used for generating plasma; the control machine is connected with the host and is used for controlling the host to operate; the resectoscope equipment comprises an inner sheath, an outer sheath, an electrode and a cleaning device, the inner sheath is in a slender rod shape, and a limiting block is connected to the inner sheath in a sliding and sleeving mode. Compared with traditional plasma operation equipment, the mode that the traditional plasma operation equipment depends on a pedal to control cutting parameters is abandoned, and the cutting time, the cutting interval and the cutting current parameters of the main machine are set, regulated and controlled innovatively through the independent control machine; therefore, the medical staff can accurately input parameters on the control machine before the operation according to the operation site, the tissue type and the individual difference of patients, the pedal does not need to be treaded frequently during the operation, the operation steps are effectively reduced, and the probability of operation errors is reduced.

Notification of a state of resection of a resection target is accurately provided during surgery. A program according to an embodiment of the present invention causes a computer to: acquire a surgery image in which a surgical site is imaged during surgery for resecting a resection target; detect a state of resection of the resection target from the acquired surgery image by using a machine learning model generated by training with training data in which a surgery image is an input and information related to completion of resection is an output; and notify a state of resection of the resection target, wherein the information related to completion of resection includes region information of an organ that appears in the surgery image when the resection target is resected.

The invention discloses a tracheal catheter special for upper gastrointestinal endoscopic surgery, which comprises an inner tube, an outer tube capable of sliding up and down with the inner tube is sleeved outside the inner tube, the top end of the outer tube is fixedly connected with the inner tube through a fixing knob, a respirator joint is arranged at the top end of the inner tube, an inner tube water bag is arranged at the bottom of the inner tube, and an outer tube water bag is arranged at the bottom of the inner tube. An inner tube suction hole is formed in one side of the inner tube water bag, and a Murphy hole is formed in the position, located below the inner tube water bag, of the bottom of the inner tube. The problems that in an upper gastrointestinal endoscopic surgery in the prior art, the exposed part of the tracheal catheter affects surgical operation, the cuff of the tracheal catheter compresses a surgical site or affects taking out of a specimen, the tracheal catheter rubs with an endoscope and is prone to disengagement to damage tracheal mucosa, and blood and secretions in the trachea are not sucked thoroughly are solved.

The utility model belongs to the field of medical instruments, and provides a cannula puncture outfit which comprises a handle and a platy outfit body fixedly connected with the handle, the tail end of the outfit body is an arc-shaped head, a cannula hole is formed in the tail end of the outfit body, a cannula is detachably fixed in the cannula hole, and the cannula is connected with the handle. The length of the long axis of the sleeve hole in the extending direction of the transformer body is larger than the diameter of a sleeve body of the sleeve but smaller than the diameter of an inner flange plate of the sleeve in an undeformed state, and the length of the short axis of the sleeve hole is slightly smaller than the diameter of the sleeve body of the sleeve. According to the cannula puncture outfit with the structure, the cannula can be conveniently placed in a surgical site, after the cannula is placed in the surgical site, the cannula and the puncture outfit can be separated through simple rotation, and surgical operation is greatly simplified.

A surgical draping system includes an under-draping, an over-draping, and a connecting draping connected by the under-draping and the over-draping. The surgical draping system is used to establish and maintain a surgical corridor to a surgical site or sites on a patient supported by a surgical table. The surgical draping system can accommodate rotation of the patient on the surgical table, such that the sterile surgical corridor is maintained even during such rotation. The sterile surgical corridor extends through an aperture formed in the over-draping, through an enclosed passageway formed through the connecting draping, and through an aperture formed in the under-draping.

A combined endoluminal robotic (ELR) and laparoscopic surgical robotic system includes a control tower and a surgeon console operatively connected to the control tower. The surgeon console includes a display screen for visualizing surgical sites, a user interface device for receiving input commands, and a processor configured to process the input commands into movement commands. The system also includes a first laparoscopic robotic arm having a laparoscopic surgical instrument and a laparoscopic arm controller and an endoluminal robotic (ELR) arm including a flexible, steerable ELR surgical instrument and an ELR arm controller. The system also includes a communication network and a processor running software configured to: receive user inputs from the surgeon console; process the user inputs to generate movement commands; transmit the movement commands to the laparoscopic arm controller and the ELR arm controller; provide switching control between the laparoscopic robotic arm and the ELR arm; and provide coordinated control of the laparoscopic and ELR surgical instruments during surgical procedures.

The invention relates to the technical field related to medical instruments, and discloses a multi-joint locking type retractor for preparing a free tissue valve, which comprises a first joint arm, a second joint arm and a third joint arm, a bedside fixing frame is arranged at the lower end of the first articulated arm, a second articulated arm is rotatably arranged at the upper end of the first articulated arm, and the medical bed is characterized in that a third articulated arm is rotatably arranged at the end part of the second articulated arm, and a clamping module is rotatably arranged at the front end of the third articulated arm; according to the invention, through a cooperative structure of a fixing buckle, a rotating buckle, a bolt and a knob of the bedside fixing frame, and through cooperation of a threaded sleeve of the first joint arm and a thread adjustment design of the telescopic joint, stable connection (no obvious looseness) and height adaptation (according with operation habits of operators and requirements of operation sites) of the device and an operation bed frame are realized.

A surgical cart for supporting a robotic arm includes a base, a plurality of casters coupled to the base, and a secondary braking mechanism that prevents the casters from being manually moved out of a locked state until a surgical instrument is at a safe distance from an operative site within a patient.

Fluid reservoir (113; 213; 313) for an aspiration line (107) of a medical system, wherein the aspiration line (107) serves to aspirate a fluid from a surgical site on a living being by means of a fluid pump of the medical system in a suction direction, comprising: - a shell (214; 314) enclosing a chamber (219; 319) designed to hold a fluid; - a separating element (215; 315) that divides the chamber (219; 319) into a first sub-chamber (219a; 319a) and a second sub-chamber (219b; 319b); - a first fluid connection (220; 320) designed to fluidically connect the first subchamber (219a; 319a) to an outer surface of the shell (214; 314), and designed to be connected to a first part (107a) of the aspiration line (107) to be connected to the fluid pump; - a second fluid port (222; 322) designed to fluidically connect the second subchamber (219b; 319b) to the outer surface of the shell (214; 314), and designed to be connected to a second part (107b) of the aspiration line (107) to be directed towards the surgical site; and - a backflow preventer that the separating element (215; 315) has to fluidically connect the first subchamber (219a; 319a) with the second subchamber (219b; 319b), wherein the backflow preventer is designed to prevent a flow of fluid from the first subchamber (219a; 319a) into the second subchamber (219b, 319b) in the opposite direction to the suction direction, and wherein the separating element is a flexible separating element (215; 315), and the flexible separating element (215; 315) is designed in such a way as to achieve a pumping effect of the fluid reservoir (113; 213; 313) in the second subchamber (219b; 319b) when the flexible separating element (215; 315) is deformed by a certain positive pressure difference between the first subchamber (219a; 319a) and the second subchamber (219b; 319b), which enables the conveyance of a certain fluid delivery volume, characterized by the fact that the specific fluid flow volume is chosen depending on the type of operation performed on a living being.

A laparoscopic suturing device is provided. The suturing device can pass a suturing needle back and forth between jaws of a jaw assembly to suture tissue at a surgical site in a minimally invasive procedure. The jaw assembly can have a pivotable jaw member in each jaw to position the jaw assembly and needle in a low-profile stowed configuration for insertion through a low diameter surgical port. The jaw assembly can be actuated by a handle assembly that provides simultaneous needle passing from a driving jaw to a receiving jaw and latching the needle within the receiving jaw in a single trigger cycle.20 24 22 73 26 15 O ct 2 02 4 A B S T R A C T O F T H E D I S C L O S U R E 2 0 2 4 2 2 7 3 2 6 1 5 O c t 2 0 2 4

A personalized ankle osteotomy 3D printing guide plate comprises a 3D printing main body which is fixed to an operation part through a kirschner wire during use, and is characterized in that a guide hole penetrating through the main body and a plurality of positioning holes are formed in the main body, the guide hole is used for guiding the osteotomy cutting direction, the positioning holes are used for allowing the kirschner wire to penetrate through, and the 3D printing main body is designed through computer aided design; the inner side face of the main body of the guide plate is matched with the peripheral face of the tibia of the surgical site, personalized customization can be carried out according to the shape of the peripheral face of the tibia of the surgical site of a patient, a surgical auxiliary tool which is more suitable for the condition of the patient and is simple in structure is provided for the patient, and the guide hole can better guide operation of a doctor during surgery. The main body is fixed on the peripheral surface of the tibia through the positioning hole by using a kirschner wire, so that the main body can be more stably fixed on an operation part.

A modular access medical system configured to enable a surgeon to conduct a medical procedure in fluid contained within a defined space is disclosed. As such, the system increases visibility to an operating surgeon by eliminating smoke and other vapors formed during use of a medical instrument at the surgical site. The modular access medical system may be formed from a distal end of a cannula configured to be placed into contact with tissue such that fluid can be administered within the cannula and retained therein to facilitate a surgical procedure to be conducted via one or more instruments extending through fluid contained within the cannula.

The invention provides a preoperative planning method for ligament reconstruction operation based on multi-modal data. The preoperative planning method of the ligament reconstruction operation based on the multi-modal data comprises the following steps: acquiring joint medical images of multiple modals of an operation site, and performing registration and fusion processing on the acquired joint medical images of multiple modals to obtain a joint medical image multi-modal fusion result; performing segmentation processing according to the joint medical image multi-modal fusion result to obtain a joint segmentation result; performing key point detection according to the joint segmentation result to obtain a key point detection result; according to the key point detection result, a ligament reconstruction preoperative planning scheme is generated.

The utility model relates to the technical field of medical instruments, and discloses a medical water jet scalpel which comprises a handle, a jet pipe, a backflow pipe and a perfusion control assembly, the handle is provided with an installation cavity, a first through hole and a second through hole, the first through hole and the second through hole are respectively communicated with the installation cavity, the jet pipe is connected to the handle, and the backflow pipe is connected to the handle. The two ends of the backflow pipe extend out of the handle through the first through hole and the second through hole respectively, the backflow pipe comprises a flexible pipe section located in the installation cavity, the perfusion control assembly comprises a perfusion control part and a wire pulling part, the perfusion control part is located in the installation cavity and located on one side of the periphery of the flexible pipe section, and one end of the wire pulling part is connected with the perfusion control part. When the backflow pipe is in a perfusion state, the perfusion control part extrudes the flexible pipe section, and the inner wall of the flexible pipe section is attached and plugged. The medical water jet scalpel disclosed by the utility model can be used for filling flushing fluid into a surgical site so as to meet more surgical requirements.

Various examples of the disclosed subject matter include systems and methods to control a flowrate of a smoke evacuation system. In one example, a smoke-evacuation system includes an electrosurgical a unit (ESU) to provide electrical power to an electrosurgical tool within a surgical site. A monitoring device measures one or more electrical parameters from the electrosurgical tool and a controller estimates an amount of generated smoke within the surgical site based on the electrical parameters. The controller sets a flowrate of a suction device to remove gases within the surgical site. The flowrate of the removed gases produced is based on the estimated amount of generated smoke. The controller further controls a flowrate of an insufflation gas produced by an insufflation device where the flowrate of the insufflation gas is substantially equal to the flowrate of the gases produced by the suction device. Other systems and methods are disclosed.

A surgical device for cleaning an affected area, according to the present invention, which is used in a surgical apparatus that sucks in foreign substances from a surgical site and discharges an affected area-cleaning solution to the surgical site, may comprise: a front cap coupled to the surgical apparatus; a rotary member which is rotatably coupled to the front end of the front cap; a movable member which is movably coupled to the circumferential surface of the rotary member; an outer pipe which is formed as a hollow pipe having a predetermined length and fixedly coupled to the movable member; an inner pipe which is inserted into the outer pipe, has one end passing through the movable member and the front cap while having an outer circumferential surface fixedly coupled to the rotary member, and has formed therein a first flow path through which at least one of the foreign substances and the affected area-cleaning solution flows, the first flow path communicating with the surgical apparatus; a bendable tube which has one end coupled to the other end of the inner pipe, which has formed therein a second flow path through which at least one of the foreign substances and the affected area-cleaning solution flows, the second flow path communicating with the first flow path, and which is made of a flexible material so as to be bendable; and an inlet / outlet member which has one end coupled to the other end of the bendable tube, communicates with the second flow path to allow at least one of the foreign substances and the affected area-cleaning solution to flow inside, and has formed therein a plurality of holes through which the foreign substances are sucked in or the affected area-cleaning solution is discharged.

A surgical kit for providing a cryoprotective composition configured to be applied during cryotreatment of a patient includes: a first container containing a predetermined amount or volume of a biodegradable and / or bioerodible fluid agent; and a second container containing a predetermined amount or volume of a non-toxic cryoprotectant agent. The predetermined amount or volume of the of biodegradable and / or bioerodible fluid agent and the predetermined amount or volume of a non-toxic cryoprotectant agent are configured to be mixed together to form the cryoprotective composition in which a therapeutically effective amount of the cryoprotective composition deposited in a body space of the patient in proximity to the cryotreatment remains within at least a portion of the body space for a duration of the cryotreatment and at least a portion of a body tissue proximate to the body space is viable after the cryotreatment.

A robotic surgical navigation system is disclosed. An example system includes a stereoscopic camera and a robotic arm having an end-effector connected to the camera. The system also includes a navigation computer that determines a first transformation between the stereoscopic camera and a target surgical site, a second transformation between the end-effector and a robotic base of the robotic arm, and a third transformation between the robotic base and the target surgical site. The navigation computer calculates a fourth transformation using the first, second, and third transformations. The fourth transformation represents a transformation between the end-effector and the stereoscopic camera. The navigation computer uses the transformations to determine coordinates for a view vector of the stereoscopic camera that are in a coordinate system of the robotic arm, thereby enabling movement of the robotic arm based on commands provided by an operator in relation to the view vector of the camera.

A surgical assembly is disclosed for use with an ultrasonic surgical device that is arranged to deliver ultrasonic vibrations to patient tissue for use in cutting or cauterizing patient tissue during a surgical procedure. The assembly comprises an ion-generating electrode arranged to receive an electrical signal for generating ions proximate a site of the surgical procedure for removing particles suspended proximate the surgical site, and a controller for controlling the application of the electrical signal to the ion-generating electrode. The assembly further comprises a sensing arrangement for sensing a presence of ultrasonic vibrations, and which is communicatively coupled with the controller and arranged to output an activation signal to the controller to cause the electrical signal to be applied to the ion-generating electrode when the sensed ultrasonic vibrations comprise a frequency within a pre-defined frequency range.

The invention discloses a visible drag hook for mandibular angle plastic surgery, relates to the technical field of drag hooks for mandibular angle plastic surgery, and solves the problems that an existing drag hook only adopts a lamplight illumination mode to light an operation part of a patient, then a blind area exists in the operation part, a doctor who operates a knife cannot observe the position of the blind area through sight, and the operation difficulty is high. The surgical retractor comprises a rod body, a ring body is fixedly mounted at the lower end of the rod body, a pair of handles is fixedly mounted at the lower end of the ring body, and a retractor plate is fixedly mounted at the upper end of the rod body. Through video recording of a pinhole camera, an image of an operation position is presented on an external display, then a good visual field is provided for a doctor, the total length of an extension plate and a retractor plate is adjusted through an adjusting assembly, and hooking and pulling of the side walls of different oral cavities with different lengths are facilitated.

The invention involves a system and method for quickly retracting a tool from a surgical site. The system is generally constructed and arranged for attachment to a robotic arm for manipulation of the tool to perform an in-vivo surgery. The tool is constructed to retract from the surgical site upon a predetermined condition. The system and the robot can be reset when the condition has cleared so that the surgery can continue.

A method for cleaning a surface that is selected from at least one of a medical device surface and a soft tissue surface includes the steps of: contacting the surface with bristles of a moving brush head that is part of a powered hand-held device; and dispensing onto the surface an irrigation fluid through the brush head and a dispensing opening formed along the brush head.