322 results about "Operative aid" patented technology

A method for producing at least one patient-specific surgical aid includes providing a physical model of a native patient tissue. The physical model has at least one surface of interest. A constraining wall is placed in contact with at least a portion of the physical model. A moldable substance is placed into contact with at least a portion of the surface of interest. An impression of the surface of interest is maintained upon the moldable substance. The moldable substance is solidified into a patient-specific surgical aid. The patient-specific surgical aid is removed from the physical model. A system for producing at least one patient-specific surgical aid is also disclosed.

A surgical assistance system for operating on biological tissue using a surgical tool attached to an arm of an automatically-controlled surgical instrument so that an optimal feed rate of the tool is calculated and outputted to the surgical instrument, the system including: a device for storing and voxelizing medical image data obtained from a biological tissue subject to surgery; a device for setting an operative location based on the shape of the biological tissue; a device for calculating a tool path along which the tool travels to perform surgery at an operative location; a device for determining the region of interference between the tool and the voxels; a device for determining the hardness of the biological tissue in the interference region; a device for calculating an optimal tool feed rate corresponding to the hardness; and a device for outputting the feed rate obtained by the calculations to the surgical instrument.

The invention provides a surgical assistant locating system. The surgical assistant locating system is used for assisting a doctor in locating the position of a wound. The surgical assistant locatingsystem comprises a robot patient end, and the robot patient end comprises an instrument arm which is used for being detachably connected with a surgical instrument, and an endoscope arm which is usedfor being detachably connected with an endoscope. In the surgical assistant locating system, a scanning module is used for obtaining in-vivo and body-surface three-dimensional data of a patient, a modeling module is used for building a human body model according to the in-vivo and body-surface three-dimensional data obtained by the scanning module, and building position and pose descriptions of the human body model under the coordinate system of the robot patient end, and a locating module is used for locating the recommended position of the wound according to the human body, the moving spaceof the instrument arm in the human body model, the moving space of the endoscope arm in the human body model and the interference between the instrument arm and the endoscope arm in the human body model.

The invention relates to a surgery assistance system for guiding a surgical instrument, in particular a camera system (2) having an endoscope (3) dependant on manual actuation of at least one function key (T1-T6) of a control element (BE). The surgical instrument (3) is fastened to an arm system (10, 12, 14) of the surgery assistance system (1) having an instrument mount (15) and at least the tip (S) of the surgical instrument (3) can be moved in a controlled manner by means of the arm system (10, 12, 14) in a Cartesian patient coordinate system (PKS), whereby at least one of the three spatial axes (x, y, z) of the Cartesian patient coordinate system (PKS) extends through the surgical opening or the trocar point (T) receiving the surgical instrument (3). Advantageously, the angle of inclination (w) of the surgical instrument (3) is determined with respect to the spatial axis (z) of the Cartesian patent coordinate system (PKS) extending through the trocar point (T) and the angle of inclination (w) so determined is compared with a predetermined set angle of inclination (w_S). When the determined angle of inclination (w) exceeds the set angle of inclination (w_S), the tip (S) of the surgical instrument (3) is guided on a semi-spherical surface (TK) which concentrically surrounds the trocar point (T) and which receives the tip (S) of the instrument (3), and when the determined angle of inclination (w) is below the set angle of inclination (w_S), the tip (S) of the surgical instrument (3) is guided along a tangent (TG) which extends through the tip (S) of the instrument (3) and which rests on the semi-spherical surface (TK).

A medical device adapted to be positioned in relation to an incision made in the skin of the patient is provided. The medical device comprises a vacuum sealing device comprising an internal vacuum sealing member adapted to be positioned inside the body of the patient, for creating a vacuum seal between the medical device and human tissue inside of the skin of the patient. By providing vacuum sealing inside of the body of the patient the surface of the skin can be kept unaffected, which means that no hematomas or discoloring of the skin will occur, also the internal vacuum sealing member makes it possible to seal further inside the body of the patient and thereby isolate certain areas in the body of the patient.

The invention discloses an intelligent minimally-invasive surgery instrument. The intelligent minimally-invasive surgery instrument comprises a handle drive device, an intermediate connecting device and a tail end execution device which are sequentially and fixedly connected. Handheld operation and motor drive are adopted, control signals are provided for the drive device through an operation control mechanism, the drive device drives the tail end execution device to move, and the tail end execution device outputs space multi-freedom-degree surgery motions. The defect that a traditional minimally-invasive surgery instrument is not flexible in operation is overcome, the defects that a surgery auxiliary robot device is expensive, high in maintenance and use cost, rigorous in operation technology requirement for doctors, different from doctor operation habits and the like are overcome, the intelligent minimally-invasive surgery instrument is in a new mode for replacing the traditional minimally-invasive surgery process with robot auxiliary minimally-invasive surgery, or the instrument is an electric intelligent endoscope surgery instrument, development potential is great, and the market prospect is wide.

Disclosed is a computer-integrated surgery aid system for minimally invasive surgery and a method for controlling the same. The system includes a surgery planning system for creating three-dimensional information from two-dimensional images obtained by means of biplanar fluoroscopy so that spinal surgery can be planned according to the image information and a scalar-type 6 degree-of-freedom surgery aid robot adapted to be either driven automatically or operated manually.

The present teaching relates to surgical procedure assistance. In one example, a first image of an organ having a lesion is obtained prior to a surgical procedure. Information related to a pose of a surgical instrument at a first location with respect to the lesion is received from a sensor coupled with the surgical instrument. A visual environment having the lesion and the surgical instrument rendered therein is generated based on the first image and the information received from the sensor. A second image of the organ is obtained when the surgical instrument is moved to a second location with respect to the lesion during the surgical procedure. The second image captures the lesion and the surgical instrument. The pose of the surgical instrument and the lesion rendered in the visual environment are adjusted based, at least in part, on the second image.

The invention discloses an electromagnetic force feedback puncture operation auxiliary device, comprising a processor, a puncture needle device and a force feedback control device; wherein the puncture needle device comprises a puncture needle and an electric cylinder; the body of the puncture needle is connected to the slide block of the electric cylinder; a force sensor is disposed on the slideblock and is used for detecting a resistance signal of the puncture needle when the puncture needle is inserted; the driving end of the electric cylinder and the output end of the force sensor are electrically connected with the processor; the force feedback control device includes a handle and an electromagnetic brake; the handle is connected to the brake shaft of the electromagnetic brake and isprovided with an angular displacement sensor for detecting the rotation angle displacement angle of the handle; and the output ends of the electromagnetic brake and the angular displacement sensor are electrically connected to the processor. The electromagnetic force feedback puncture operation auxiliary device can realize the force feedback of the puncture needle during the needle insertion process in order that a surgeon can conveniently control the force of the puncture needle during the needle insertion process, thereby facilitating the provision of a virtual real surgical environment andreducing a risk of the puncture operation.

The invention discloses an auxiliary instrument for the gastrointestinal surgical operation. The auxiliary instrument comprises fixing racks, a screw I and a first support rod, wherein the fixing racks are fixedly connected with the frames on the two sides of an operating table through tightening bolts, sleeves are symmetrically welded to the two ends of the upper surface of each fixing rack, a slide bar is mounted inside each sleeve in a matched manner, through holes are uniformly formed in the surfaces of the sleeves and the slide bars, a connecting bolt is additionally arranged into the corresponding holes of each sleeve and each corresponding slide bar, a cross bar is welded to the upper ends of the corresponding slide bars, two ends of each of the screw I and a screw II are connected with the cross bars through bearings, the right end of the screw I is connected with a servo motor I, and the servo motor I and a servo motor II are fixedly connected with the cross bars on the corresponding sides through mounting brackets, and are connected with controllers on the side surfaces of the fixing racks through leads. The auxiliary instrument has a series of advantages that the wound is expanded automatically, the applied force is accurately controlled, the use stability is high, etc.

When an image representing an organ in which an excision region has been identified in such a manner that a blood vessel region in the organ is visually recognizable is generated from a three-dimensional image of the organ, an input specifying a depth of cutting is received, and a portion of a boundary surface within the specified depth of cutting along the boundary surface from an outer edge of the boundary surface toward an inside is determined as a cutting surface, and the boundary surface being between the excision region and a non-excision region in the organ. The image representing the organ in such a manner that only a partial blood vessel region, which is present in a neighborhood region of the cutting surface in the blood vessel region of the organ, is visually recognizable is generated from the three-dimensional image.

The invention relates to an orthopedic fixation device, in particular to an orthopedic operation assisted device. The orthopedic operation assisted device comprises a leg fixing mechanism, a local assisted mechanism, a fixing mechanism and an extending mechanism; the orthopedic operation assisted device can perform distance adjustment according to the actual condition; the orthopedic operation assisted device can fix corresponding operative instruments and reduce manpower; the orthopedic operation assisted device avoids the condition of blood impassability while achieving the fixation effect;and the orthopedic operation assisted device can be installed intermediately when being used and is convenient to disassemble. The local assisted mechanism is fixedly arranged on the leg fixing mechanism; the fixing mechanism is fixedly arranged on the leg fixing mechanism; and the extending structure is fixedly arranged on the fixing mechanism.

The invention relates to a method for real-time superposition of a three-dimensional medical image and a patient and an operation auxiliary system. The method and the operation auxiliary system are used for assisting planning and implementation of a clinical operation. The method comprises the steps that a CT sequence image or a nuclear magnetic sequence image of a patient is converted into an integral point cloud, an image of a part corresponding to the CT sequence image or the nuclear magnetic sequence image is acquired from the body of the patient, the image is a local image of the body ofthe patient, and the local image is converted into a local point cloud; the overall point cloud and the local point cloud are registered by adopting a Super-4PCS algorithm, and an optimal conversion matrix in which the space coordinates of the overall point cloud and the space coordinates of the local point cloud accurately coincide under the same space coordinate system is determined; a space coordinate of the three-dimensional medical image when the space coordinate of the three-dimensional medical image and the space coordinate of the local point cloud are accurately superposed under the same space coordinate system is determined through the optimal conversion matrix; and the three-dimensional medical image and the space coordinates thereof are transmitted to a three-dimensional image display device. According to the method, the problem of inaccurate matching between the three-dimensional medical image and the body of the patient in the existing operation process can be solved.

The invention relates to an integrated surgical navigational and neuromonitoring system having automated surgical assistance and control. The integrated system provides real-time introperative assistance to a surgeon or other user. The integrated system can also automatically control neuromonitoring based on a position of a neuromonitoring probe.

The present teaching relates to surgical procedure assistance. In one example, a first image of a patient captured prior to a surgical procedure is received. A treatment plan is generated based on the first image. The treatment plan includes information related to one or more surgical instruments. A second image of the patient captured after the surgical procedure has been initiated is received. The treatment plan is dynamically adjusted based on a pose of any of the one or more surgical instruments identified from the second image. A third image of the patient captured after a lesion is treated by at least one of the surgical instruments based on the adjusted treatment plan is received. Whether a further treatment to the lesion is needed is determined based on the third image. Upon determining a further treatment is needed, an updated treatment plan is dynamically generated based on the third image.

The invention relates to an auxiliary positioning device for the minimally invasive surgery of the spine. The problem is effectively solved that when a doctor carries on the minimally invasive surgeryof the spine, a puncture needle cannot be quickly and precisely inserted in a target part of a patient. According to the technical scheme, the device comprises a universal positioning device, the doctor makes the universal positioning device precisely corresponding to the path set in advance with the help of X-ray, so that the puncture needle enters the body of the patient in the pointing direction (the path set in advance) of a positioning cylinder, the puncture needle precisely reaches the lesion part of the spine of the patient accordingly, and X-ray irradiation is also reduced in the puncture process. The doctor can basically move the universal positioning device to the target part of the patient through a transverse adjustment device, a longitudinal adjustment device and a vertical adjustment device, by adjusting the universal positioning device, the positioning cylinder precisely corresponds to the path set in advance, and the device is convenient and quick to operate and high in practicability.

The invention discloses a device for collecting and recovering surgical tools, and belongs to the field of surgical auxiliary devices. The device is used for picking and placing the surgical tools comprises a base with supports. Arc-shaped connecting parts are arranged on the supports correspondingly and are connected with arc-shaped limiting parts. Conveying wheels are arranged in the arc-shapedlimiting parts. A gap for a conveying belt to pass through is reserved between the conveying wheels and the arc-shaped limiting parts. The conveying wheels are connected with synchronous wheels, a synchronous belt and a driving motor through driving shafts. The synchronous belt is provided with a plurality of conveying belt groove bodies. A feeding plate hinged to one end of the conveying belt groove body is placed in each conveying belt groove body. A supporting partition plate is arranged on the base. An ejecting device driven by an ejecting power mechanism is installed on the supporting partition plate. The surgical tools can be supplied and recovered according to a designated plan in the surgery process, and the problems of surgery risks and tool picking and placing inconvenience probably caused by manual transferring are reduced.

A surgery assistive system includes an instrument having a tool and a manipulator connected to the tool, a spatial sensor system for detecting spatial information of the tool, and a computer system for manipulating a kinematic state of the manipulator. A method for obtaining surface information by the surgery assistive system includes the steps of: defining a target region and a plurality of reference points on a virtual anatomical model of a subject; prompting a user to generate sampling information by using the instrument to sample a plurality of sampling points on the subject corresponding to the reference points; and designating the sampling information as surface information of the sampling points. Each piece of the sampling information includes a coordinate of one of the sampling points, an angle of a contact of the tool at the sampling point, and parameters associated with the contact.

The invention discloses an auxiliary arm for an orthopedic surgery robot, and belongs to the field of orthopedic surgery mechanical arms. The auxiliary arm for the orthopedic surgery robot comprises amechanical arm body, a movable arm stretcher is connected on the mechanical arm body; a turntable is rotationally connected to the movable arm support; a first electric push rod is fixedly connectedin the movable arm support; a center rod is fixedly connected to the telescopic end of the first electric push rod. A through hole matched with the telescopic end of the first electric push rod is formed in the turntable; a plurality of uniformly distributed movable claws are hinged to one end, far away from the movable arm, of the turntable; a plurality of small motors matched with the movable claws are mounted in the turntable; a steering gear set is fixedly connected to the power output end of the small motors, multiple operation auxiliary tools can be used for assisting the operation by using multiple movable claws in an orthopaedic remote operation, multiple tool assistance is provided for the remote operation through one mechanical arm, and the space utilization rate is greatly increased.

The present teaching relates to surgical procedure assistance. In one example, a first volume of air inside a lung is obtained based on a first image of the lung captured prior to a surgical procedure. The lung has a first shape on the first image. A second volume of air deflated from the lung is determined based on a second image of the lung captured during the surgical procedure. A second shape of the lung is estimated based on the first shape of the lung and the first air volume inside the lung and second volume of air deflated from the lung. A surgical plan is updated based on the estimated second shape of the lung.