404results about "Computer-aided surgery" patented technology

A medical system is disclosed that includes a medical device having an optical fiber, and an interchangeable connection component configured to provide a fiber optic connection between the medical device and capital equipment. The connection component is configured to facilitate cleaning and / or polishing of fiber optic interfaces include therewith. The connection component is also configured for replacement by a medical technician while the capital equipment is operational. The capital equipment may include one or more of an optical interrogator, a patch cable, a medical probe, an ultrasound machine, a display, a magnet sensor, or an electro-cardiogram (ECG) machine. The medical device may include an elongate member configured for insertion within the patient body, where the optical fiber core extends along a length of the elongate member.

A disclosure relates to methods and apparatus for processing an elongated body for a medical instrument. In one arrangement, targeted processing is applied to each of one or more local portions of the elongated body to cause a change in a room temperature magnetic property of material in each local portion, thereby causing the one or more local portions to have different room temperature magnetic properties than other portions of the elongated body.

Systems and methods are provided for multi-schema analysis of patient specific anatomical features from medical images. The system may receive medical images of a patient and metadata associated with the medical images indicative of a selected pathology, and automatically classify the medical images using a segmentation algorithm. The system may use an anatomical landmark detection algorithm leveraging Deep Reinforcement Learning (DRL) techniques to automatically locate one or more anatomical landmarks associated with the patient specific anatomical feature within the medical images. A 3D surface mesh model may be generated representing the patient specific anatomical features including the located one or more anatomical landmarks. The located one or more anatomical landmarks may be used to guide placement of a 3D model of a medical device that may be fused with the 3D surface mesh model to generate a patient specific 3D model of the medical device.

Disclosed are various examples and embodiments of systems, devices, components and methods configured to detect a location of a source of at least one cardiac rhythm disorder in a patient's heart, such as atrial fibrillation, and to classify same. Velocity vector maps reveal the location of the source of the at least one cardiac rhythm disorder in the patient's heart, which may be, by way of example, an active rotor in the patient's myocardium and atrium. The resulting velocity vector map may be further processed and / or analyzed to classify the nature of the patient's cardiac rhythm disorder, e.g., as Type A, B or C atrial fibrillation. The resulting cardiac rhythm classification then can be used to determine the optimal, most efficacious and / or most economic treatment or surgical procedure that should be provided to the individual patient. A simple and computationally efficient intra-cardiac catheter-based navigation system is also described. Also described and disclosed are various intra-cardiac catheter-based navigation systems.

A method for generating a prosthesis by using three-dimensional scan data comprises the steps of: receiving encrypted oral data; receiving model information of an artificial intelligence neural network; determining metadata of the encrypted oral data; determining an operation prediction value on the basis of the model information and the metadata; and determining the size of a sub-operation unit on the basis of the operation prediction value. The size of the sub-operation unit is controlled on the basis of the operation prediction value.

Medical devices and related methods useful for needle access during medical procedures are described. The medical device may include a needle and a handle coupled to the needle, wherein the handle includes a body comprising a radiolucent material, a first marker proximate a proximal end of the body and a second marker proximate a distal end of the body. Each of the first marker and the second marker may include a radiopaque material, and the first marker may have a shape complementary to the second marker to align a position of the needle relative to a subject when visualized by X-ray imaging.

The disclosed technology includes an electrode for a medical probe having an elongated body. At least a portion of the elongated body can be electrically conductive. The elongated body can define a lumen that extends through the elongated body along a longitudinal axis of the elongated body. The electrode can include a locking stub that extends at least partially into the lumen so that the locking stub is locked to a member inserted into the lumen.

A catheter and method for the treatment of a patient having atrial flutter or other arrhythmia comprises an elongated catheter body having an outer wall, proximal and distal ends, and at least one lumen extending therethrough. Further it has a distal tip section comprising a flexible tubing having a proximal end and a distal end and a plurality of lumens extending therethrough. The proximal end of the tip section is fixedly attached to the distal end of the catheter body. The tip section further comprises a nitinol tube having slots formed therein which causes the distal tip section to deflect using the same puller-wire action used to cause the deflectable catheter to deflect at a point proximal to the distal tip section.

Disclosed are systems and methods for determining target characteristics during a laser procedure, comprising (i) obtaining a relationship between (i) a number of pixels associated with a light beam reflected from a target or an object located in proximity to the target on an endoscopic image obtained from a video sensor coupled to an endoscope and (ii) a distance of the target from a tip of the endoscope. The method further comprising (ii) measuring the number of pixels associated with the light beam reflected from the target or the object located in proximity to the target during a procedure, and (iii) based at least in part on the relationship obtained in step (i) and the measured number of pixels in step (ii), determining at least one of a size of the target or a distance of the target from the tip of the endoscope.

The invention discloses a multi-channel pushing power connection driving device which comprises a driving mechanism capable of generating linear driving force; a plurality of transmission units are arranged, each transmission unit corresponds to one flexible sleeve, a transmission driving part is arranged in each flexible sleeve, the tail end of each flexible sleeve is connected with a function execution assembly, and the transmission units transmit driving force to the transmission driving parts after being subjected to linear driving force, so that the transmission driving parts move relative to the flexible sleeves. Therefore, the power is transmitted to the function execution assembly to enable the function execution assembly to act. The driving mechanism is installed at one end of the motion platform, the multiple transmission units are arranged at the other end of the motion platform, and the motion platform can regulate and control the relative position of the driving mechanism relative to the transmission units; under the driving action of the moving platform, the driving mechanism is correspondingly matched with one or more corresponding transmission units on the mounting platform so as to drive the transmission units to drive the corresponding transmission driving parts.

To provide an imaging processing system that improves utilization efficiency of an FOV part in an imaging area.SOLUTION: A system of the present invention displays medical imaging data, and includes one or more data inputs, one or more processors, and one or more displays. The one or more data inputs are configured to receive first image data generated by a first medical imaging device. The first image data includes a field-of-vision (FOV) part and a non-FOV part (Step 202). The one or more processors identify the non-FOV part of the first image data (Step 204). By removing at least part of the non-FOV part of the first image data, cropped first image data is generated (Step 206). The cropped first image data to be displayed in a first part of the display and additional information to be displayed in a second part of the display are transmitted (Step 208).SELECTED DRAWING: Figure 2

To provide systems and methods for determining target characteristics during a laser procedure.SOLUTION: A method comprises: a step (i) of obtaining a relationship between (i) the number of pixels associated with a light beam reflected from a target or an object located in proximity to the target on an endoscopic image obtained from a video sensor coupled to an endoscope and (ii) a distance to the target from a tip of the endoscope; a step (ii) of measuring the number of pixels associated with the light beam reflected from the target or the object located in proximity to the target during a procedure; and a step (iii) of, based at least in part on the relationship obtained in the step (i) and the measured number of pixels in the step (ii), determining at least one of a size of the target or a distance to the target from the tip of the endoscope.SELECTED DRAWING: Figure 1A

In one example, a medical system includes a memory; and processing circuitry communicatively coupled to the memory, the processing circuitry being configured to: obtain, during performance of a procedure in a catheterization lab on a patient, data representing an operating parameter of a medical component, the medical component comprising a medical device or a pharmacological agent; and generate, based on the data representing the operating parameter, procedure records of the procedure.

A catheter includes an expandable frame for insertion into an organ of a patient, one or more first electrodes, and a second electrode. The one or more first electrodes are disposed on the expandable frame at one or more first positions for placing in contact with a target tissue of the organ, and are configured to perform one or both of: (i) sensing one or more electrical signals from the target tissue, and (ii) applying one or more ablation pulses to the target tissue. The second electrode is disposed within an internal volume of the expandable frame, at a second position that is not in contact with the target tissue while the one or more first electrodes contact the target tissue, and is configured to serve as a return or common electrode for the electrical signals.

Systems and methods presented herein generally include a catheter with a basket assembly at a distal tip having an atraumatic structure on a distal portion of the basket assembly and a distal sensor coupled to the atraumatic structure. The basket assembly includes spines that collapse for delivery through a delivery sheath catheter and self-expand upon exiting a distal end of the delivery sheath catheter. The basket assembly can further include a proximal sensor coupled to a shaft of the catheter, and position signals from the shaft sensor and the distal sensor can be used to determine position of electrodes of the basket assembly when the basket assembly is pressed to tissue or another surface.

A medical system may comprise a display system and a repositionable assembly configured to support one or more medical instruments. The medical system may also comprise one or more input control devices configurable to control the one or more medical instruments and a control system including one or more processors. The control system may be configured to display, in a primary pane of a graphical user interface on the display system, interactive content associated with a medical procedure and manipulate the interactive content in response to a first operator input at the one or more input control devices. The control system may also be configured to display, in a subordinated secondary pane of the graphical user interface, a real-time endoscopic image of an anatomic field of view while the primary pane displays the interactive content associated with the medical procedure.

The embodiment of the specification provides an endoscope holding device and a control system. The device comprises a supporting mechanism, a base arranged at the end of the supporting mechanism, and a clamping piece in sliding rotary connection with the base. The clamping piece comprises a limiting part and a clamping space for clamping an endoscope handle. The clamping space is formed by a through hole on the clamping piece, and the through hole has an opening on the side. The limiting part is used for limiting the rotation of the endoscope handle relative to the clamping piece. The control system comprises an endoscope, an endoscope holding device, and a pushing device configured to control the rotation of the insertion part based on first information.

The present invention relates to a multicore optical fiber (10) configured for shape sensing. The optical fiber (10) comprises an elongated main section (40) and a distal tip section (42) connected to the main section (40). The main section (40) comprises a first cladding (12a) and a plurality of first fiber cores (14a, 16a, 18a, 20a) embedded in the first cladding (12a), and the distal tip section (42) comprises a second cladding (12b) and a plurality of second fiber cores (14b, 16b, 18b, 20b) embedded in the second cladding (12b). The first and second fiber cores (14a, 14b, 16a, 16b, 18a, 18b, 20a, 20b) comprise reflective strain sensitive structures (21) configured for distributed shape sensing along the main section (40) and the distal tip section (42). The main section (40) comprises a first material and the distal tip section (42) comprises a second material different from the first material, wherein a first strain at break of the main section (40) is lower than a second strain at break of the distal tip section (42).

Electric components including coils and methods to fabricate the same by 3D-printing are disclosed. The method includes: 3D printing a magnetic material to form a magnetic channel comprising a magnetic core of the coil device; 3D printing a conductive material to form a conductive channel, including conductive windings of the coil device with turns surrounding the magnetic core; and 3D printing a non-magnetic electrically insulating material to form electrical insulation between the turns of the conductive windings of the coil device. In some embodiments functional structures of the electric component, including the turns of the conductive windings of the coil and the electrical insulation between the turns, are each printed with minimal in-layer feature size of at least two voxels of the 3D-printing. Some embodiments facilitate 3D-printing of flattened coil devices having low aspect ratio between their lengths along their magnetic axes and their widths perpendicular thereto.

An ablation catheter includes a tubular shaft having a proximal portion and a distal end and an electrode assembly extending from the distal end of the shaft. The electrode assembly includes a plurality of support bars, each having a support bar proximal portion secured to the shaft and an opposing support bar distal portion. Each support strip includes an electrically conductive support member partially disposed within an insulating member. The support member has a proximal end portion disposed within the insulating member and a distal end portion extending distally of the insulating member and terminating at a distal end of the support member. A plurality of sensing electrodes are disposed along each of the support strips. The support bar retainer is mechanically engaged with at least one of the proximal portion and the distal portion of the support bar.

A magnetically couplable fiducial marker array can include a rigid body, a plurality of surgical fiducial markers, and a magnetic coupling arrangement. The rigid body can be configured to support the plurality of surgical fiducial markers at fixed positions relative to each other along the rigid body to form a fixed positional arrangement of surgical fiducial markers. At least a support portion of the rigid body can be arranged along a surgical fiducial marker support plane and the fixed positional arrangement of surgical fiducial markers can be asymmetrical.The magnetic coupling arrangement can be formed at the rigid body with array magnetic components and can be configured to form a magnetic coupling between the array magnetic components and separate magnetic components of a separate surgical spinous process clamp at a first fixed position relative to the separate surgical spinous process clamp.

An actuating assembly (10) for a wire steered device (12) provided with at least one steering wire (14). The actuating assembly (10) includes a body (22) for mounting the wire steered device (12), an axle (38) mounted to the body, a wheel (24) mounted to the axle and including a wire attachment (96) for attaching the steering wire (14) thereto with the steering wire (14) wound around at least part of the wheel (24), and an actuator (34) for selectively rotating the axle (38). The wheel (24) is movable between configurations in which the wheel (24) is either rotatable about the axle (38) or fixed in rotation relative to the axle (38).

Provided is a remote operation control system.　A remote operation control system 1 comprises a remote manipulation device 9 that has a manipulator 5 and that operates the manipulator 5, and an operation information output device 11 that outputs, to the remote manipulation device 9, operation information for operating the remote manipulation device 9. The operation information output device 11 and the remote manipulation device 9 use UDP as a communication protocol to carry out quantum encryption communication using an encryption key provided by quantum key distribution. When a data packet for communicating the operation information is an operation-related data packet, the header of the operation-related data packet includes, as sequence information, a temporal sequence number assigned in order of time. When a plurality of operation-related data packets are received, the remote manipulation device 9 performs a process for controlling the manipulator 5 to stop the operation of the manipulator 5 if the temporal sequence numbers are reversed, and outputting an alert to the operation information output device 11 if the intervals of time at which the plurality of operation-related data packets are received are equal to or greater than a prescribed threshold value.

A method for analyzing a real dental situation of a patient. The method includes steps, as follows, in succession. At an updated instant, acquisition of an updated image representing a real dental scene as observed by an operator. Simulation, for a simulation instant, of the real dental scene represented on the updated image, then determination of a virtual dental scene as a function of the simulation. Presentation of the virtual dental scene in transparent mode and overlaid on the real dental scene, or display of the updated image on a screen and presentation of the virtual dental scene overlaid with the representation of the real dental scene on the updated image displayed on the screen, in transparent mode or not on the representation.

Methods and systems of radiosurgical treatment include rotating one or both of a first gantry component and a second gantry component while transmitting a therapeutic treatment beam so as to deliver a therapeutic radiation dose to a target tissue of a patient from one or more arcs extending along a treatment sphere. The first gantry component is rotatable about a first axis and a second gantry component is interfaced with the first gantry component such that rotation of the first gantry component rotates both the first and second gantry components about the first axis. The second gantry component is independently rotatable about a second axis. The method includes coordinating movement of the first and second gantry components along the respective first and second axes so as to allow a trajectory of the therapeutic treatment beam to intersect the target tissue from multiple directions along the treatment sphere.

The present disclosure relates to medical devices. More particularly, this disclosure describes a vascular device allowing large bore transseptal access with subsequent atrial re-access by preplacing closures / tissue approximating sutures prior to creating a septostomy. Generally, the device may include a delivery catheter for puncturing and cutting the interatrial septum. An anchor of the delivery catheter may secure the suture in an atrium to a septum wall, for example, the left atrium. Incisions may be made by an expandable cutting implement which may use mechanical or radio frequency (RF) energy without interfering with the suture. A therapeutic instrument may be advanced through the tissue plane after the incisions are made by the cutting implement. Closure of the incision may be performed with the previously placed sutures.

A mechanical ventilation assistance device includes at least one electronic controller configured to receive positional data of a patient; determine a position of an imaging device configured to obtain imaging data of the patient based on the received positional data; and display, on a display device, a representation of the determined position of the imaging device.

A computer-implemented method of determining locations of transducers on a subject's body for applying tumor treating fields, the method including: selecting a plurality of pairs of locations on the subject's body, each pair of locations having a first location to locate a first transducer and a second location to locate a second transducer; obtaining, for each pair of locations, a voltage measurement and a current measurement for an electric field induced between the first transducer and the second transducer, the induced electric field passing through a tumor of the subject's body; calculating, for each pair of locations, a resistivity based on the voltage measurement and the current measurement; and selecting and outputting one or more recommended pairs of locations based on the calculated resistivities.