Stryker European Operations Patente

A surgical system configured to control a surgical instrument along with methods for controlling the surgical system are provided. The surgical system includes a camera and a control system coupled to the camera and the surgical instrument. The control system is configured to receive video data from the camera, detect a hand of a user within the video data, identify a sub-region of the video data that includes the hand of the user, track the hand in the sub-region of the video data, detect a presence of the surgical instrument in the sub-region of the video data, determine at least one characteristic of the surgical instrument in response to detecting the presence of the surgical instrument in the sub-region of the video data, and control the surgical instrument based on the at least one characteristic of the surgical instrument.

A neurosurgery system for probing brain tissue of a patient for tumorous tissue. The system including a suction tool, an excitation source, an optical instrument, and a controller. The suction tool including a suction cannula defining a lumen, an optical fiber configured to transmit fluorescence emitted by the brain tissue; and an indicator configured to selectively emit visible light. An excitation source is configured to emit an excitation light having a wavelength to induce the fluorescence in the tumorous tissue. The optical instrument is coupled to the optical fiber. The optical instrument configured to convert the fluorescence emitted by the brain tissue and transmitted by the optical and configured to determine that the brain tissue is tumorous based on the electrical signal and activate the indicator based on the determination.

A computer-implemented method for displaying medical image data is provided. The method comprises receiving medical image data indicative of a patient anatomy having multiple connected parts that are movable relative to each other, creating at least two different bounding boxes in the medical image data so that each bounding box comprises image data indicative of at least one respective part of the patient anatomy not indicated by the image data of another one of the bounding boxes, and simultaneously displaying images, wherein each of the images is associated with a different one of the at least two different bounding boxes. A computer program, a carrier and a surgical planning system are also provided.

A fixation plate for securing bone fragments includes a first portion extending along a first longitudinal axis, a second portion extending from an end of the first portion along a second longitudinal axis such that the second longitudinal axis is at an angle of eighty to one hundred forty degrees relative to the first longitudinal axis, and first and second holes having respective first and second central hole axes that are substantially transverse to each other, wherein the first hole is disposed at a junction between the first and second portions, and the second hole is disposed at an end of the second portion opposite from the junction.

A medical device comprises a stem sized for insertion into a lumen of a coil; a stopper coupled to, and/or extending from, the stem. The stopper is proximal to a proximal end of the coil when the stem is inserted into the lumen of the coil and a structure outside the lumen of the coil. The structure defining an opening is sized to accommodate a distal portion of a delivery wire, and the stem comprises a channel configured to accommodate a first part of a stretch-resistant member when a second part of the stretch-resistant member is disposed around the structure that defines the opening.

A technique for automatic spinal cage planning is provided. In particular, a computer-implemented method 200 for automatically planning implementation of one or more spinal cages is provided. The method 200 comprises obtaining 210 image data including a 2D medical image comprising representations of a plurality of vertebrae of a patient's body in a standing body posture and determining 220 a 2D prediction image comprising representations of the plurality of vertebrae of the patient's body in the standing body posture, wherein determining the 2D prediction image comprises modifying the 2D medical image such that at least one spinal balance parameter derivable from the 2D prediction image fulfills a predefined criterion. The method 200 further comprises determining 230, based on the 2D prediction image, an implementation of one or more spinal cages yielding the poses of the vertebrae as represented by the prediction image.

A technique for automatic spinal cage planning is provided. In particular, a computer-implemented method 200 for automatically planning implementation of one or more spinal cages is provided. The method 200 comprises obtaining 210 image data including a 2D medical image comprising representations of a plurality of vertebrae of a patient's body in a standing body posture and determining 220 a 2D prediction image comprising representations of the plurality of vertebrae of the patient's body in the standing body posture, wherein determining the 2D prediction image comprises modifying the 2D medical image such that at least one spinal balance parameter derivable from the 2D prediction image fulfills a predefined criterion. The method 200 further comprises determining 230, based on the 2D prediction image, an implementation of one or more spinal cages yielding the poses of the vertebrae as represented by the prediction image.

A medical face mask is provided which includes a mask body having a mask interior and contoured to fit against the face of a patient. A permanently-open nasal aperture is provided in the mask body to facilitate insertion of an equipment, instrument or device into the mask interior and into the nose of the patient. A permanently-open oral aperture is provided in the mask body to facilitate insertion of an equipment, instrument or device into the mask interior and into the mouth of the patient. A one-way oxygen port is provided in the mask body to facilitate introduction of oxygen and/or medical gases into the mask interior of the mask body. A one-way valve port is provided in the mask body to facilitate discharge of carbon dioxide from the mask interior. A capnography or gas sampling port may be provided in the mask body to capture gases for analysis.

A computer-implemented method (1000) for supporting a surgeon in validating an implant placement, the method (1000) comprising: obtaining (S1010) preoperative patient image data comprising representations of a plurality of anatomical elements of a patient's body; obtaining (S1020) implant placement data indicative of a pose of at least one placed implant relative to at least one of the anatomical elements; obtaining (S1030) tracking data indicative of a change of a relative pose of at least one of the anatomical elements; determining (S1040), based on the preoperative patient image data, the implant placement data and the tracking data, a first simulated patient image comprising representations of the plurality of anatomical elements with the at least one of the anatomical elements having the changed pose, the simulated patient image further comprising a visualization of the placed implant; and triggering (S1050) display of the first simulated patient image to support the surgeon in validating the placement of the implant.

A vaso-occlusive treatment system includes a delivery assembly and a vaso-occlusive device detachably coupled to the delivery assembly by a delivery assembly junction. The vaso-occlusive device includes a braided portion formed out of one or more wires, the braided portion including a packed end bundle. The vaso-occlusive device also includes a coiled portion coupled to the braided portion. The vaso-occlusive device further includes an intra-device junction coupling the braided portion to the coiled portion, the intra-device junction including a stretch-resistant member spanning from the packed end bundle to the delivery assembly junction.

A balloon catheter which allows for faster preparation and effective purging of air. The balloon catheter includes an elongated, flexible catheter having an inner lumen. A balloon member is secured to an outer surface of a distal portion of the catheter such that an inner surface of the balloon member and an outer surface of the catheter define an inflatable balloon interior. The catheter has an inflation lumen connected to an inflation port and extending distally to a distal end in fluid communication with the inflatable balloon interior. One or more purge apertures are provided in a wall of the catheter, each forming a fluid path between the inflatable balloon interior and the inner lumen of the catheter to allow for purging air from the catheter prior to use in a medical procedure.

A method is provided, comprising: obtaining first patient image data of a patient's body; determining a registration instruction indicative of where to acquire a registration point relative to a surface of the body; obtaining second patient image data of the body, having been acquired by an augmented reality, AR, device; determining a transformation between coordinate systems of the first and the second patient image data; and based on the transformation, triggering display of the registration instruction on a display of the AR device such that a user of the AR device is presented an augmented view with the registration instruction being overlaid onto the patient's body, the augmented view guiding the user where to acquire the registration point. Also disclosed are a computing system, a surgical navigation system, and a computer program product.

A tracker, a surgical tracking system, and a method for operating the tracker are provided. The tracker comprises an interface configured to attach the tracker to a surgical object that is to be tracked. The tracker further comprises circuitry comprising a detector configured to detect electromagnetic radiation, wherein the circuitry is configured to generate a trigger signal upon detection of a change of intensity of electromagnetic radiation by the detector. The circuitry further comprises a plurality of emitters configured to emit electromagnetic radiation, wherein the circuitry is configured to control the plurality of emitters to emit electromagnetic radiation responsive to the trigger signal.

A technique for determining a pose of an optical tracker is presented. The optical tracker has at least one planar region configured to emit or reflect polarized light and an optical marker in a fixed spatial relation to the at least one planar region. A method implementation of the technique comprises receiving image data indicative of the marker and of polarizations of light received from the at least one planar region. The method further comprises determining, based on the image data and the fixed spatial relation between the marker and the at least one planar region, a pose of the optical tracker.

A technique of generating surgical information from intra-operatively acquired image data of vertebrae and pre-operatively acquired image data of the vertebrae is presented. A method implementation comprises obtaining first image segments each containing a different vertebra, wherein the first image segments have been derived by processing the pre-operatively acquired image data, and obtaining second image segments each containing a different vertebra, wherein the second image segments have been derived by processing the inter-operatively acquired image data. The method also comprises identifying pairs of the second image segments and the first image segments that contain the same vertebra, respectively, and determining a transformation per pair of corresponding image segments that registers the identified respective first image segment and the identified respective second image segment. Further, the method comprises generating surgical information based on the transformation and the identified first image segment. Still further, the method comprises augmenting the surgical information by tracking a surgical tool and causing an output device to visually output a navigational aid indicative of the tracked surgical tool relative to visualized vertebrae.

A surgical navigation system comprises a tracker and an optical sensor. The tracker of the surgical navigation system is configured to be associated with a patient or a surgical tool that is to be tracked by the surgical navigation system. The tracker comprises an optical fibre having a longitudinal extension and configured to be optically coupled to a light source such that the optical fibre transmits light emitted by the light source. The optical fibre has a lateral surface along its longitudinal extension and is configured to emit light via at least a portion of the lateral surface. The optical sensor of the surgical navigation system is configured to detect light emitted by the optical fibre.

A computer-implemented method for image data registration is provided. The method comprises receiving first image data. The first image data are indicative of bone and of at least one bone marker placed therein, the bone marker having a longitudinal axis. The method also comprises determining a first orientation of the longitudinal axis of the at least one bone marker based on the first image data, receiving second image data indicative of the bone and of the at least one bone marker placed therein, and determining a second orientation of the longitudinal axis of the at least one bone marker based on the second image data. Further still, the method comprises registering, based at least one the first and second orientation of the longitudinal axis of the at least one bone marker, a first local coordinate system associated with at least a segment of the first image data within a global coordinate system.

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An external fixation system (10) includes first and second fixation rings (20, 30) and a plurality of adjustable-length struts (200) that have two joints (210, 270), a rod (250), a tube (260), and an actuator (220) configured to drive the rod axially relative to the tube to change an effective length of the strut. The system has a plurality of controller modules (300) each configured to couple to a corresponding strut. In a manual mode of operation, the controller modules are not coupled to the struts, and manual actuation the actuators changes the effective lengths of the struts in discrete length increments. In an automated mode of operation, the controller modules are coupled to the struts and automated actuation of the actuators is configured to change the effective lengths of the struts in infinitesimally small length increments.

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