1205results about "Diagnostics" patented technology

A stop for use with an electric drill bit, the stop having at least one threaded sleeve for positioning the stop relative to a surface into which the drill bit will extend. The stop may have both an inner and an outer sleeve. The sleeves are mounted coaxially, one inside the other about the drill bit. One of the sleeves, preferably the inner sleeve, provides coarse adjustment of the position of the shoulder relative to the tip of the bit, while the other, preferably the outer sleeve, provides fine adjustment of the position of the shoulder relative to the top of the bit.

Examples of a self-supported device for guiding motions of a target joint of a target body are disclosed. The device comprises a motion generator, a motion transfer system, a target body interfacing system, a load bearing system and a controller. The load bearing system comprises a plate connected to the motion transfer system and a network of joints and links configured to constrain the plate to rotate in three dimensions about a center of rotation of the load bearing system. A position of the center of rotation of the load bearing system being adjustable by adjusting a connection point between the links. The plate of the load bearing system is connected to an adjustable target body interfacing system that is configured to be mounted to the target body. The center of rotation of the load bearing system coincides (or nearly coincides) with a center of rotation of the target joint of the target body.

Devices and methods are disclosed for improved followability in laser-based ocular procedures. In some embodiments, an ophthalmic instrument comprises a projection located at the distal end of the shaft or cannula, the projection having a distal surface in proximity to the distal end of the optical fiber, the distal surface adapted to be positioned facing the treatment area during use of the ophthalmic instrument. An example method includes delivering laser energy through an optical fiber to the treatment area, wherein the distal surface of the projection inhibits bubbles formed during the procedure from moving distally away from the distal end of the ophthalmic instrument.

Pulsatile balloon catheter systems are provided. Aspects of the systems include: a pulse generator; and a balloon catheter assembly operably connected to the pulse generator. In embodiments, the balloon catheter assembly includes: a proximal connector operably connecting the balloon catheter assembly to the pulse generator and configured to transduce a first pulse energy generated by the pulse generator to a second pulse energy; a distal balloon; and a catheter component, where the catheter component includes a fluidic passage operably positioned between the proximal connector and the distal balloon, which passage is configured to propagate the second pulse energy from the proximal connector along the fluid passage to the distal balloon. Also provided are balloon catheter assemblies and kits that include the same. Also provided are systems and methods for assessing vessel compliance in-vivo. Also provided are systems and methods for determining system state of balloon catheter systems. The systems, assemblies and kits find use in a variety of different applications, including balloon angioplasty applications.

A drawer includes insulation defining a climate-controlled insulated interior of the drawer, and a refrigeration system. The interior of the drawer may be divided into compartments having lids, and actuators may be provided for unlocking the lids. The actuators may include solenoids, which may be disposed outside the climate-controlled interior of the drawer. The drawer may include an air inlet, an outlet, and a fan. The fan may draw air through an air flow path defined at least in part by the insulation.

An improved catheter is provided for accessing a site in a patient's vasculature, delivery a device or instrument to the site, removing an obstruction(s) from a blood vessel, and / or for retrieving a clot / thrombus in the neurovasculature for the treatment of stroke. The catheter has a collapsed state sufficiently small and flexible for easier delivery through challenging vasculature and also has an expanded state sufficiently sized and robust for removing the obstruction. The catheter may include a self-collapsing and expanding mechanism to transition a portion of an outer tube (e.g., a braided portion) between the collapsed and expanded states. Such mechanism may include an inner actuator tube slidable over an actuation wire to collapse a plurality of struts engaged with the actuation wire, thereby collapsing the braided portion. The catheter may also include an intermediate coiled tube for reinforcing the braided portion in the expanded state.

In examples, a robotic medical system comprises a link of a robotic arm and a processor configured to control movement of the link based on a received input; determine a distance between the link and another object during the movement; and, responsive to the distance being within a threshold, adjust the movement of the link to avoid a collision between the link and the another object.

The invention relates to a computer-implemented method and an associated device for modelling a joint of a patient for real-time assistance in performing at least one bone tunnel by arthroscopy in said joint, said method comprising: receiving a stream of intraoperative monocular two-dimensional images obtained using an imaging device, each of the intraoperative monocular two-dimensional images being obtained at a time t and comprising at least a region of interest of the joint; for each intraoperative monocular two-dimensional image, calculating a depth map associated with time t by implementing a first previously trained learning model, said first learning model being configured to receive as input at least said intraoperative monocular two-dimensional image obtained at time t; calculating a current partial three-dimensional model of the patient's joint associated with a current time tc, on the basis of at least one depth map associated with the current time tc, at least one depth map associated with a previous time tc−Δt relative to the current time tc, localization information of the imaging device, and a preoperative three-dimensional model of the patient's joint.

A surgical instrument unit including an external force detection function is provided. The surgical instrument unit includes a shaft including an end effector at a distal end thereof, a hollow base, and a deformable member supporting a root of the shaft within the base. The strain section includes a first layer of strain elements and a second layer of strain elements composed of multi-directional strain elements, each of the multi-directional strain elements supporting the root of the shaft with a plurality of legs sequentially arranged along a main axis direction of the shaft. The first strain elements are inclined by an amount corresponding to a predetermined angle θ with respect to a plane orthogonal to a long axis of the shaft, and the second strain elements are inclined by an amount corresponding to an angle -θ opposite to the angle of the legs of the first strain elements with respect to the plane.

A system for computer assisted navigation during surgery. At least one processor operates to identify locations of fiducials of a reference element on a ball tip stylus in images obtained from tracking cameras with at least partially overlapping field-of-views imaging the ball tip stylus with a ball palpating a surface of a bone. Operations determine locations of a center of the ball based on the locations of the fiducials of the reference element, and define an offset-acquired surface of the bone based on mathematically connecting the locations of the center of the ball. Operations determine local normal vectors to the offset-acquired surface for the locations of the center of the ball. Operations translate the offset-acquired surface of the bone toward the surface of the bone along the local normal vectors based on a radius of the ball to define an acquired surface of the bone.

A medical device that includes a handle including a first body and a second body that are movable relative to one another, and an actuator including a first housing movably coupled to the first body and a second housing movably coupled to the second body. The medical device is configured to move between an open configuration in which the first body is at least partially decoupled from the second body and the first housing is at least partially decoupled from the second housing, and a closed configuration in which the first body is coupled to the second body and the first housing is coupled to the second housing.

A surgical robot system and a control method thereof, and a medium, the method comprising: detecting an activation operation for switching a control arm of the surgical robot system from a current mode to a switching mode, the switching mode being used for switching a tool holding arm controlled by the control arm; causing the control arm to enter the switching mode in response to the activation operation; acquiring a first motion amount of the control arm in the switching mode; and switching the tool holding arm controlled by the control arm based on the first motion amount.

The utility model discloses a kind of chemotherapy drug exosmosis closure angle indicating instrument, including guide disc, handle, clamping assembly, angle adjusting device and guide cylinder, the handle is transversely connected below guide disc, clamping assembly is slidably connected inside guide disc, angle adjusting device is vertically arranged above clamping assembly, and angle adjusting device is connected with clamping assembly, guide cylinder is set above angle adjusting device and is rotatably connected on angle adjusting device, the utility model can accurately adjust the angle between syringe and patient's skin when carrying out closed injection to patient, to avoid that puncture angle is too large or too small, to ensure that closed injection effect is reached while reducing patient's pain.

This invention discloses a gap balancing plate and its method of use, belonging to the technical field of medical auxiliary tools. The gap balancing plate has a first horizontally positioned abutment edge on one side, a second abutment edge, and at least one third abutment edge. The second abutment edge is parallel to the first abutment edge, and the third abutment edge forms a first angle with the first abutment edge. This invention enables accurate positioning even when bony anatomical landmarks are unavailable, allowing direct determination of femoral prosthesis rotation, saving surgical time, improving surgical efficiency, and enhancing postoperative healing.

The utility model relates to face shaping technical field, concretely relates to an improved needle structure for face microplasty, including needle cylinder and needle body, still include fixed depth subassembly, fixed depth subassembly includes fixed slide, sliding frame, sliding block, connecting support, fixed depth cover, scale paste, mounting component and locking component, fixed slide is connected with needle cylinder through mounting component, and sliding frame is connected with fixed slide slidingly, and sliding block is fixedly connected with sliding frame, and connecting support is fixedly connected with sliding frame, and fixed depth cover is fixedly connected with connecting support, and scale paste is fixedly connected with fixed slide, and mounting component sets up on fixed slide, and locking component sets up on sliding frame, through fixed depth cover adjustment to corresponding position on needle body, medical staff can be limited by fixed depth cover when carrying out puncture through needle body, and the position through fixed depth cover is convenient for medical staff to understand the puncture depth of needle body, avoids puncture too deep.

This invention belongs to the field of medical device technology, specifically a surgical treatment device for digestive tract malformations. It includes a support plate and casters, all fixedly connected to the bottom of the support plate. An adjustment mechanism is located on the top of the support plate, and a replacement mechanism is located on the top of the adjustment mechanism. The adjustment mechanism includes a cylindrical body fixedly connected to the top of the support plate. A vertical rod is inserted into the cylindrical body, and limit grooves are formed on both sides of the cylindrical body. Limit plates are inserted into the limit grooves, and support rings are fixedly connected to the surface of the limit plates. Fixing plates are fixedly connected to both sides of the cylindrical body. This surgical treatment device for digestive tract malformations allows for height adjustment by threading a fixing bolt into a threaded hole inside the fixing plate when the vertical rod is moved to a suitable height, ensuring the stability of the device during surgery.

The utility model discloses a kind of spinal tumor puncture devices, belong to medical instrument technical field, the spinal tumor puncture device includes dilator, ring saw, divider and first push rod, wherein: ring saw includes ring saw main body and the first handle located above ring saw main body, first passageway is equipped on ring saw vertically through, the lower end of ring saw main body is equipped with sawtooth;Divider includes the divider main body that can be inserted into first passageway and the second handle located above divider main body, second passageway is equipped on divider vertically through, the lower side of divider main body is equipped with slot, the lower side of divider main body is equipped with the first blade edge of vertically extending in the side edge of slot close to;First push rod includes the first push rod main body that can be inserted into second passageway and the third handle located above first push rod main body.The utility model is convenient for sampling to hardened bone and non-hardened bone, sampling is sufficient, and it is easy to puncture, amount of bleeding is less, and tissue damage is small.

A uterine manipulator can include a shaft including a first end, a second end, and embodiments of a cutting head configured and arranged to receive a cervix. The cutting head can be configured and adapted to be used to cut the tissue joining the vaginal wall to the cervix and uterus to facilitate removal of the uterus in a minimally invasive manner.

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 application provides a quick-change bone forceps, and relates to the technical field of medical apparatuses. The quick-change bone forceps comprises a forceps handle, a connecting rod, a driving assembly and at least two forceps head groups. One end of the connecting rod is connected with the forceps handle, and each of the forceps head groups is detachably connected with the other end of the connecting rod. Each of the forceps head groups comprises at least two forceps claws. When the connecting rod is connected with any of the forceps head groups, the driving assembly is drivingly connected with the forceps head group and can drive the forceps claws in the forceps head group to move close to or away from each other. The application only needs to equip the clinic with a plurality of different forceps heads, thereby reducing the number of instruments, saving postoperative arrangement time, avoiding omission and solving the problem of uneven clamping force distribution caused by the forceps head being closed at a certain angle.

A balancer assembly (100) for a talar cut is provided. The assembly (100) includes a spreader (110) having a distal end, a balancer releasably attachable to the distal end of the spreader (110), and a rotational aligner (130) releasably attachable to the spreader (110). An alignment block (141) is attached to the rotational aligner (150); and a tibial aligner (130) is attached to the alignment block (141).

This invention relates to the field of medical devices and discloses an auxiliary tool for closed reduction of humeral fractures, comprising: a fixation body having a reduction channel formed inside, wherein at least two sides of the fixation body are respectively provided with openings communicating with the reduction channel; and a reduction module that can enter the reduction channel from any of the openings, wherein the reduction module can move and be positioned along a direction close to or away from the central axis of the reduction channel, wherein there are multiple reduction modules. This invention inserts multiple reduction modules from different openings to construct a customizable, multi-point contact and support structure within the reduction channel, and does not require manual positioning or additional trauma to the injured limb, thus achieving less trauma, higher stability, and more flexible operation in assisting closed reduction of humeral fractures.

Implantable devices—such as stents and rings—that comprise markers for tracking their deployment in a body lumen are disclosed. The markers may be used to monitor progress of expansion of the implantable device, potential migration of the implantable device, and diameters of the body lumen. Markers may be deployed in the body lumen separately from another implantable device to assist tracking of migration of the implantable device. Markers may be placed circumferentially around a wall of a body lumen to track growth of an aneurysm or a stricture.

A method for optimizing skin graft expansion in split-thickness skin graft surgeries includes selecting, from an integrated system, a desired expansion ratio for a specific skin graft expansion in a patient; receiving, by the integrated system, an input of a set of geometric constraints; determining, by the integrated system, a first set of cutting patterns based on the desired expansion ratio and the input set of geometric constraints, wherein the first set of cutting patterns satisfies both the desired expansion ratio and the set of geometric constraints; and outputting, by the integrated system, the first set of cutting patterns, the first set of cutting patterns including a cutting pattern including one or more of a parallel cutting pattern or a complex geometrical cutting pattern.

The utility model discloses a operating room nursing needle finder, including mobile seat, turnover frame, electromagnetic disc and portable power source, the turnover frame is connected in the top of mobile seat through the hinge swing, the electromagnetic disc fixed mounting is in the inside of turnover frame, the portable power source fixed mounting is in the back of turnover frame top, the electromagnetic disc is connected with portable power source electrically through the wire. The utility model discloses through the setting green light, through the operator to open green light, makes green light to ground emission light source, and green light will to ground convex illumination light and shadow, and the operator can observe whether there is needle's existence through the illumination light shadow, thereby make the operator can clearly see the tiny needle on the ground, solved the current needle finder to lack the illumination function, this is especially inconvenient in the insufficient light or narrow space environment, because can not clearly see the position of needle, and the operator has to move needle finder frequently to find the target problem.

The present disclosure relates to a medical felting system (1). The medical felting system comprises a felting device (200) and a power unit (100). The felting device comprises at least one felting needle (203) configured to move back and forth between two end positions. The power unit comprises a battery (155) storing electrical energy, an electric motor (165) and a controller (164). The electric motor is configured to actuate the at least one felting needle. The electric motor is electrically connected to the battery. The controller is configured to control the electric motor and to actuate the motor to drive the felting needle. The felting device and the power unit are separable from each other. The felting system comprises a mechanical coupler (300) operably and releasably connecting the power unit to the felting device. The mechanical coupler transfers rotational motion from the motor to the at least one felting needle.

The present application relates to a kind of arthroscopic approach water leakage prevention device, including the elastic cover with dome structure, the sealing valve being arranged in the center position of cover and negative pressure suction mechanism, sealing valve has the conical hollow structure extending to base direction and gradually reducing outer diameter, reverse compensation sealing is realized using joint cavity infusion liquid pressure, cover base edge is equipped with flexible sealing skirt, by the negative pressure interface connection external negative pressure source, so that cover and skin form negative pressure sealing space, the device can be connected in series by negative pressure interface multiple occluder, and equipped with detachable guide rod auxiliary coaxial positioning.The present application uses non-insertion type surface adsorption occlusion, effectively solve the space interference and tissue damage problem in multiple tunnel operation, realize the dynamic water stop of pressure self-adaption, with the advantages of simple operation, sealing stable, strong dissection adaptability, can significantly improve the operation visual clarity and maintain joint cavity pressure stability.

The present invention relates to an adipose tissue fluidification device, specifically an adipose tissue fluidification device for obtaining nanofat for reinjection into a patient as a facial or body filler, comprising a body, two ends aligned along the same geometric axis, and a plurality of channels internal to the body or three meshes internal to the body.

The present invention relates to a method for producing an individual device (10) for improving health conditions in a subject, comprising: scanning the geometry of the outer cars, producing a 3D-model of the individual device (10), and manufacturing the device (10) specifically adapted to the individual geometry of the outer cars of the subject, wherein the device (10) is specifically adapted to the individual geometry of the outer cars of the subject; to apply pressure to the external car in a way that the position of the pinna is changes; to exert pressure on acupressure points around to the external ear; and wherein the device (10) is flexible.