Stryker European Operations Patente

Systems, methods, and software for displaying an asymmetrical implant relative to image data representative of a patient, wherein the asymmetrical implant is configured to be attached to an implant insertion tool in one of multiple orientations. A computing device receives the image data representative of the patient, receives tracking data indicative of a pose of the patient and a pose of the implant insertion tool, and receives a model of the asymmetrical implant which includes an implant pose vector. The computing device determines an orientation of the implant pose vector relative to the image data based on the tracking data. The computing device presents a representation of the model of the asymmetrical implant relative to a representation of the implant insertion instrument based on the determined orientation of the implant pose vector.

Disclosed is a method for improving use of a medical imaging device and an optical tracking system, the method comprising: obtaining a current pose of a medical imaging device relative to an optical tracking system; obtaining a predicted movement that the medical imaging device will undergo for acquiring a medical image of a patient; determining a predicted movement path that is associated with the medical imaging device; and based on the predicted movement path, triggering display of a visualization that is configured to guide a user in repositioning the optical tracking system and the medical imaging device relative to one another such the medical imaging device can be tracked via the optical tracking system over at least a predefined minimum portion of the predicted movement path.

A method for establishing wireless communication between devices in a medical facility includes, at a first device located in a medical room of the medical facility, receiving at least one wireless signal from a second device; determining, based on the at least one wireless signal received from the second device, a plurality of estimates of a position of the second device relative the first device using a plurality of position estimation algorithms; determining, based on the plurality of estimates of the position of the second device relative the first device, whether the second device is located in the medical room of the medical facility in which the first device is located; and in accordance with determining that the second device is located in the same medical room as the first device, establishing a wireless communication connection with the second device.

CPR systems and/or CPR devices that are configured to dynamically change, and/or cause output of a feedback signal(s) relating to, a compression position during CPR treatment are disclosed. An example CPR system includes a processor(s) and a sensor(s), the sensor(s) configured to sense a parameter associated with a subject as chest compressions are being administered to the subject. The processor(s) is configured to determine, by analyzing the parameter sensed by the sensor, that a heart valve of the subject is not functioning, and, in response to determining that the heart valve of the subject is not functioning, cause a feedback signal to be output as feedback to change a position on a chest of the subject at which future chest compressions are to be administered to the subject and/or cause a chest compressing mechanism to change the compression position automatically.

Systems and methods for connecting a medical device to a wireless network are provided. The operating room may include an operating room communication device and/or a hub device configured to transmit wireless network information. The medical device may connect with the wireless network based on the wireless network information.

Disclosed is a method for supporting a surgeon in assessing a relative pose between a surgical instrument and a functional element configured to be coupled thereto. The method may comprise obtaining an image of the functional element, determining a tracked pose of the functional element, obtaining a tracked pose of the surgical instrument, determining a relative pose between the functional element and the surgical instrument, and triggering output of feedback for a surgeon, the feedback indicating whether the relative pose meets one or more predefined criteria. A surgical navigation, system a computer program and a carrier are also disclosed.

An example method includes generating, by a first device, an instruction or an alert; outputting, by the first device, a first output signal indicating the instruction or the alert; transmitting, by the first device to a second device, a communication signal indicating the instruction or the alert; and outputting, by the second device, a second output signal indicating the instruction or the alert. The second output signal has a common characteristic with the first output signal.

A surgical system includes a navigation system with a localizer and a surgical instrument having a body, a shaft with a distal tip for contacting material associated with an anatomy, and a tracking device detectable by the localizer. The shaft houses first and second conductors, insulated from each other, extending to the distal tip. One or more controllers are configured to transmit a variable-frequency signal across the conductors, measure impedance of the material based on the signal, and characterize the material type based on the measured impedance.

Techniques for electronic devices including medical devices and non-medical devices are described. An example method includes moving from a dynamic real-time snapshot of an ECG to a historical snapshot of the ECG; and generating the dynamic real-time snapshot of the ECG and the historical snapshot of the ECG, the historical snapshot of the ECG being selected from among a dynamic historical snapshot of the ECG or a static historical snapshot of the ECG. The dynamic real-time snapshot includes an ECG presented in an electronic format. The historical snapshot includes an ECG presented in a pseudo-paper format.

A suspension arm assembly including at least two members relatively rotatable about each other at a joint, with at least one of the joints comprising an infinite rotation joint. The infinite rotation joint allows the members at the infinite rotation joint to have unlimited rotation relative to one another. The infinite rotation joint is con-figured to pass at least an optical signal therethrough. The infinite rotation joint includes a stator and a rotor. At least two portions of the infinite rotation joint are separable and can automatically form a unit when adjacent arms are connected together such that the infinite rotation joint can be separated into the at least two portions. The at least two portions are configured to be automatically connected to allow the optical signal to pass therethrough once the at least two portions are engaged.

A system for augmenting a vertebral body comprises an access cannula comprising a distal end positionable within the vertebral body and defining a lumen along a longitudinal axis, and an introducer device comprising an actuator, and a shaft comprising a rigid proximal portion coupled to said actuator and defining a proximal end of said shaft, and a flexible distal portion at or near a distal end opposite said proximal end with a length of said shaft between said proximal and distal ends being sufficient for said shaft to extend through and be operable beyond said distal end of said access cannula, wherein said flexible distal portion is configured to move between a plurality of curved configurations within the vertebral body to target sites offset from said longitudinal axis. The system further comprises a flexible sheath at least partially overlying said shaft with said flexible sheath comprising a distal end positionable near said distal end of said shaft such that said flexible sheath is configured to extend through and be operable beyond said distal end of said access cannula with at least a distal portion of said flexible sheath configured to conform to said flexible distal portion as said flexible distal portion moves between said curved configurations, and at least two radiopaque markers disposed on said distal portion of said flexible sheath and spaced apart from one another such that, as said distal portion is curved within the vertebral body, relative positions between said at least two radiopaque markers is viewable on radiography to determine extent of curvatures of said curved configuration.

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 surgical system comprises a surgical helmet configured to be worn on a wearer's head. The surgical helmet comprises a ventilation system to circulate air about the wearer, and at least one coupling member. A surgical garment of the system is configured to be at least partially disposed over the wearer and the surgical helmet. The surgical garment comprises a surgical fabric, the surgical fabric defining a hood and a body portion. The hood has a front portion and a rear portion, the front portion coupled to the body portion and defining an opening configured to be in front of the wearer's face when disposed over wearer and the surgical helmet, and the rear portion defining a flap extending below a top edge of the body portion and configured to be at least partially disposed between the wearer and the body portion. A transparent face shield is disposed over the opening defined in the hood. At least one attachment element is disposed on the hood or transparent face shield, the attachment element for removably coupling the hood to the surgical helmet.

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 patient transport apparatus includes a support structure including a base and a patient support deck. The patient transport apparatus also includes a plurality of wheels and a braking system being operable between a braked state and a released state. The patient transport further includes a brake input device arranged for user engagement to change operation of the braking system between the braked state and the released state. The patient transport apparatus also further includes an auxiliary wheel assembly including an auxiliary wheel and an actuator configured to move the auxiliary wheel between a plurality of auxiliary support positions including a deployed position and a stowed position. The patient transport apparatus additionally includes an override assembly for move the auxiliary wheel away from the deployed position and toward the stowed position in response to movement of the braking system from the released state to the braked state.

A method for creating one or more enhanced medical image includes: receiving a user interaction via a user interface, the interaction comprising a user preference for image enhancement; adjusting a combined machine learning model comprising a combination of a plurality of specialized machine learning models based on the user interaction, wherein adjusting the combined machine learning model comprises adjusting a contribution of at least one specialized machine learning model of the plurality of specialized machine learning models to the combined model; creating one or more enhanced medical images by inputting medical image data into the combined machine learning model, wherein the combined machine learning model is configured to create one or more enhanced medical images from the medical image data; and displaying the one or more enhanced medical images.

A system including a patient transport apparatus having and a track assembly with a belt for engaging stairs, and a loading device configured to engage the patient transport apparatus for loading and unloading from a transport vehicle. The loading device includes a stage, a receiver arranged for translational movement relative to the stage between a lowered position and a raised position, a dock operatively attached to the receiver for supporting the patient transport apparatus, and an elevating mechanism operably coupled between the stage and the receiver, the elevating mechanism being operable between a first mode defined with a first lifting force acting on the receiver, and a second mode defined with a second lifting force acting on the receiver to for moving the receiver and the patient transport apparatus loaded onto the dock into a secured configuration for transit with the transport vehicle.

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 patient care system includes a backboard assembly configured to be coupled to a patient for concurrent movement therewith. The backboard assembly includes a backboard defining a longitudinal axis, and a patient harness coupled to the backboard for coupling the backboard to the patient. The patient care system also includes a chest compression system configured to provide automatic chest compressions to the patient. The chest compression system includes a driver frame including lateral driver mounts configured to be releasably coupled to the backboard at a plurality of frame mounting positions along the longitudinal axis to support a driver adjacent to the chest of the patient. The patient care system further includes a retainer for releasably coupling the backboard assembly to an intermediate frame of a patient transport apparatus in a coupled state to inhibit movement of the patient and the chest compression system relative to a patient support surface.

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 method for controlling a patient support device includes transmitting, by a controller of the patient support device, at least one information request via at least one communication bus to at least one patient support accessory that is modularly attached to a main portion of the patient support device, the at least one communication bus communicatively connecting the controller and at least one processor of the at least one patient support accessory; receiving, by the controller, at least one response from the at least one processor of the at least one patient support accessory via the at least one communication bus, the at least one response comprising information associated with the at least one patient support accessory; and controlling at least one function of the patient support device based on the information associated with the at least one patient support accessory.

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.

An example method is performed by a first medical device and includes generating first data indicating a physiological parameter of a subject; generating a filter configured to remove an artifact associated with a treatment; and generating second data by applying the filter to the first data. The example method further includes determining that a second medical device is administering the treatment to the subject. In response to determining that the second medical device is administering the treatment to the subject, the first medical device outputs an indication that filtering is available; receives an input signal selecting the filtering; and in response to receiving the input signal, displays the second data..

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 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 console (22) and a method for controlling an ultrasonic surgical tool (20) to reduce presence of a harmonic signal (44) are described. The console (22) and method are configured to drive the ultrasonic surgical tool (20) with a first drive signal (40), acquire a frequency characteristic of the harmonic signal (44) in the ultrasonic surgical tool resulting from application of the first drive signal (40) to the ultrasonic surgical tool (20), generate a cancellation signal (70) based on the acquired frequency characteristic of the harmonic signal (44), combine the cancellation signal (70) with the first drive signal (40) to produce a second drive signal (80), the second drive signal (80) being sinusoidal, and the cancellation signal (70) being configured to introduce additional frequency components into the second drive signal (80), and drive the ultrasonic surgical tool (20) with the second drive signal (80) such that the presence of the harmonic signal (44) at the acquired frequency characteristic that results from driving the ultrasonic surgical tool (20) with the second drive signal (80) is reduced relative to presence of the harmonic signal (44) at the acquired frequency characteristic that results from driving the ultrasonic surgical tool (20) with the first drive signal (40), wherein the additional frequency components in the second drive signal (80) effect simultaneous control of the tip (26) over two different resonant modes.

An example method is performed by a single medical device and includes detecting, during a time interval, a sound indicative of cardiac activity of a subject; generating audio indicative of a pulse of the subject by analyzing the sound; and simultaneously outputting: the audio indicative of the pulse of the subject; and a visual signal indicating an additional physiological parameter of the subject detected during the time interval.

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.

Systems and methods for augmenting a vertebral body. The system includes an access cannula, an introducer device, a sheath device, and a treatment device. The introducer device may be moved from unconstrained state to a constrained state in which a pulling element is tensioned. The access cannula may initially prevent the shaft sheath from assuming a curve, after which the introducer device and the sheath device may be advanced relative to the access cannula to assume the curve within the vertebral body. An actuator of the introducer device may include a resilient arm configured to resiliently deflect such that a lock head releasably engages a feature of a handle of the introducer device. A spacer lock facilitates proximal movement of the sheath relative to the access cannula so as to expose the treatment device within the vertebral body at a location offset from a longitudinal axis of the access cannula.

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 method for multi-link wireless transmission of medical images includes establishing a wireless communication connection between a medical data source and a medical data sink, the wireless communication connection comprising a first wireless communication link and a second wireless communication link; transmitting the medical images from the medical data source to the medical data sink via the wireless communication connection, wherein the medical images are transmitted via the first wireless communication link and the second wireless communication link; determining data loss over the first wireless communication link; and reconstructing at least one of the medical images using data transmitted via the second wireless communication link to correct for the data loss over the first wireless communication link.

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.

An example method includes detecting, at a first set of electrodes disposed on a subject, a first interrogation signal having a first carrier frequency. The example method further includes detecting, in data representing the first interrogation signal, an artifact associated with a second interrogation signal having a second carrier frequency; removing, from the data representing first interrogation signal, the artifact; and determining, by analyzing the data representing the first interrogation signal, a transthoracic impedance of the subject.

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 surgical system for providing an improved video image of a surgical site including a system controller that receives and processes video images to determine a video signature corresponding to a condition that interferes with a quality of the video images, with the system controller interacting with a video enhancer to enhance the video images from a video capturing device to automatically control the video enhancer to enhance the video images. The surgical system can also review the video images for a trigger event and automatically begin or stop recording of the video images upon occurrence of the trigger event.

Disclosed are systems and methods for powering on a controller device using a medical display device. In some aspects, the operating room may be configured with a controller device located outside of or in a hard-to-access location within the operating room. Having the ability to remotely power on a controller device may reduce/eliminate the need to have a medical operator leave the operating room and/or have an IT operator/on-site specialist power on the controller device. The medical display device may not receive one or more signals (e.g., video signals, image signals) from the controller device when the controller device is off or in standby mode. In response, the medical display device may provide an input element on its touch screen, and a medical operator may touch the input element to remotely power on the controller device.

A system for preventing of non-compliant use of equipment during a surgical procedure including one or more devices positioned within an operating room, a display, and a computer program product. The computer program product having instructions stored on non-transitory computerreadable medium and, when executed by one or more processors, causing the one or more processors to: receive signals from the one or more devices, wherein the signals are directed to at least a surgical site of a patient; provide the signals to a trained machine-learning model trained on signals representative of nominal and adverse medical events; determining based on the signals, with the trained machine-learning model, the non-compliant use of the equipment in a manner to produce a potential adverse medical event; and cause a notification or alarm to be displayed on the display based on the determination of the non-compliant use.