327 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.

A medical analysis method for estimating a motion vector field of the magnitude and direction of local motion of lung tissue of a subject is described. In one embodiment a first 3D image data set of the lung and a second 3D image data set is obtained. The first and second 3D image data sets correspond to images obtained during inspiration and expiration respectively. A rigid registration is performed to align the 3D image data sets with one another. A deformable registration is performed to match the 3D image data sets with one another. A motion vector field of the magnitude and direction of local motion of lung tissue is estimated based on the deforming step. The motion vector field may be computed prior to treatment to assist with planning a treatment as well as subsequent to a treatment to gauge efficacy of a treatment. Results may be displayed to highlight.

A spine image generating system based on an ultrasonic rubbing technology comprises a collecting unit and a processing unit. Ultrasonic rubbings are generated by the system based on ultrasonic imageswith two-dimensional spine surface structure characteristic outlines, and matched with a digital medical image outline, and thus a personalized spine surface topographic map which is consistent with an intraoperative position of a patient and updated in real time is obtained. A spine surgical navigation positioning system based on the spine image generating system comprises a navigation module andthe spine image generating system based on the ultrasonic rubbing technology. The spine surgical navigation positioning system can obtain the spine surface topographic map which is consistent with the intraoperative position of the patient and updated in real time, and can conduct real-time intraoperative navigation based on the spine surface topographic map. The spine image generating system based on the ultrasonic rubbing technology and the spine surgical navigation positioning system can greatly reduce the difficulty of a spinal operation, can achieve the operation auxiliary purposes of precise and nonradiative guided puncture, real-time navigation and being simple, convenient and reliable, and are particularly beneficial for application and popularization of a spinal minimally invasive surgery technology which is represented by a spine endoscopy to primary health care institutions.

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 present invention is directed to a method of preparing dehydrated blood products, comprising the steps of: (a) providing a hydrated blood product; (b) spray-drying the hydrated blood product to produce a dehydrated blood product, as well as dehydrated blood products made by the method. The present invention is directed to a method of treating a patient suffering from a blood-related disorder, comprising the steps of: (a) rehydrating a therapeutic amount of the dehydrated blood products to produce a rehydrated therapeutic composition; and (b) administering the rehydrated therapeutic composition to the patient. The present invention is directed to a bandage or surgical aid comprising the dehydrated blood products described above.

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 (wS). When the determined angle of inclination (w) exceeds the set angle of inclination (wS), 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 (wS), 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 relates to the field of medical equipment, in particular to an auxiliary device in a cerebrovascular interventional operation. The auxiliary device comprises a positioning seat, a puncture positioning hole is formed in the middle of the top end of the positioning seat, a cold compress ring is fixed at the bottom end of the puncture positioning hole in a clamped manner, an upward inclined slope from the inside to the outside is arranged on the side wall of the upper end of the puncture positioning hole, an annular rotating groove is arranged, around the top end of the slope, at the top end of the positioning seat, the annular rotating groove is rotationally connected with an annular rotating disc, the top end of the annular rotating disc is fixedly connected with an annular support, the rear end of the annular support is provided with a locking mechanism, an arc-shape support stretching across the annular support is fixedly connected with the rear side of the top end of the annular support, the upper side of the front end of the annular support is provided with a first arc-shape sliding chute. The invention provides the auxiliary device in the cerebrovascular interventional operation which can accurately control an orientation and a needle insertion angle of a femoral artery puncture, and meanwhile, can well fix a puncture needle and a puncture catheter.

A surgery assisting apparatus for controlling a posture of a first surgical tool to be inserted into a body cavity and mechanically driven, by using a second surgical tool to be inserted into the body cavity, comprises: a mode switch configured to switch a first mode and a second mode, the second surgical tool being used to control the first surgical tool in the second mode; one or more sensors configured to measure an angle and depth of insertion of a shaft of the second surgical tool into the body cavity; and at least one memory and at least one processor which function as a computing unit configured to determine a target position of a control point that is a point for specifying the posture of the first surgical tool in order to control the posture of the first surgical tool.

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.

A use measurement unit (201) is provided in a surgical instrument distal end (200). The use measurement unit (201) measures use state when electricity is supplied to the surgical instrument distal end (200) by the positioning arm (100). The operation of the surgical instrument distal end (200) may be automatically locked when the surgical instrument distal end (200) has come to the end of its life as a result of measuring of the use measurement unit (201).

A surgical assistance system includes an endomicroscope (4) and an imaging device (2) for capturing image data, and a transmission unit (63) for transmitting the image data. A pathology unit (70) includes a receiving unit (74) for receiving the image data and a display unit (76) displays the image data. A data connection (69) connects the transmission unit (63) to the receiving unit (74). The imaging device (2) and / or the endomicroscope (4) has at least one functional unit assigned to a functional control unit (65). A data receiving unit (64) receives data from the pathology unit (70). The pathology unit (70) has an input unit (77) for inputting functional control data for the functional control unit (65) and a transmitter unit (73) transmits the functional control data to the devices. The data receiving unit (64) receives and relays the functional control data to the functional control unit (65).

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.

The invention provides a surgery supporting apparatus, a control method of the same, and a storage medium. A surgery supporting apparatus is capable of controlling a posture of a first surgical instrument (127) that is inserted into a body cavity and mechanically drivable, by using a second surgical instrument (131) to be inserted into the body cavity. The apparatus comprises: a robot arm configured to control the posture of the first surgical instrument attached to the robot arm; a switching unit configured to switch motion modes for controlling a motion of the robot arm; and a control unit configured to control the motion of the robot arm in accordance with the motion mode, wherein the motion mode includes a first mode in which the second surgical instrument is used to control the firstsurgical instrument, and a second mode in which the robot arm is moved by a manipulation including contact to the robot arm, and the control unit controls the motion of the robot arm such that the posture of the first surgical instrument is controlled in accordance with the posture of the second surgical instrument, in a case where the motion mode is the first mode, and controls the motion of therobot arm in accordance with the manipulation including contact to the robot arm, in a case where the motion mode is the second mode.

A negative pressure wound therapy (NPWT) dressing includes a wick configured for placement over an incision. A transfer assembly includes a compressible, porous core with a permeable cover placed over the core. The transfer assembly is positioned on the wick in fluidic contact and is covered by a dressing cover, which is configured for adhesive attachment to the patient around the incision. A drain slip including a proximal end configured for placement in the incision extends through the wick and the transfer assembly and is configured for connection to a negative pressure source. A NPWT method includes steps of draining a closed incision using negative pressure applied to a drain slip.

The invention relates to a surgery assistance system for guiding a surgical instrument. The surgical instrument (3) is fastened lo an arm system (10, 12, 14), 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), 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), the angle of inclination (w) so determined is compared with a predetermined set angle of inclination (ws) for the purpose of guiding the tip (S).

The invention discloses a gasless minimally invasive surgery auxiliary device. The device comprises a supporting tail end, a tool box and a tool rod, wherein a tool box transmission device is installed in the tool box, the supporting tail end comprises a rear supporting base and a front supporting base, a plurality of grooves are arranged on the rear supporting base and the front supporting base along peripheral directions respectively, a rear pin roll is connected with each of the grooves of the rear supporting base, a front pin roll is connected with each of the grooves of the front supporting base, each of groups of front pin rolls and rear pin rolls, which are arranged corresponding, are connected through connecting parts, the rear supporting base is fixed at the front end of the tool rod, the front end of the supporting shaft is connected with the front supporting base fixedly through a supporting head, the rear end of the supporting shaft penetrates through a central hole of the tool rod and is connected with the tool box transmission device, under the driving of the tool box transmission device, expansion and rotation motions are conducted, and the front supporting base can perform expansion motion relative to the rear supporting base under the driving of the supporting shaft. According to the device, the compression effect for other parts such as the chest, caused by the fact that the abdominal cavity is aerated, can be reduced.

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 discloses a surgical auxiliary instrument, and the instrument comprises a first power assembly and a second power assembly; the first power assembly comprises a first driving unit and a first transmission part, the first driving unit and the first transmission part are arranged in a transmission mode, and the first transmission part is driven by the first driving unit, so that the first transmission part is provided with an extending working state and a retracting working state, and the first transmission part can transmit torque; the second power assembly comprises a second driving unit and a second transmission part, the second driving unit and the second transmission part are arranged in a transmission mode, and the second transmission part is driven by the second driving unit in adaptive transmission with the second transmission part, so that the second transmission part has an outward extending working state and a retracting working state; and the electric control unit is electrically connected with the first driving unit and the second driving unit, so that the first driving unit and the second driving unit are controlled by the electric control unit. The operation auxiliary instrument has the advantages of being simple in structure, complete in function, convenient to carry and control and the like.

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.