Abstract: An embolic device for placement in a body lumen, includes: an elongated member having a linear configuration when in room temperature, the elongated member being configured to form a first three-dimensional structure in response to body temperature; wherein the elongated member comprises a first segment, a second segment, and a third segment, the second segment being located between the first segment and the third segment; wherein the first segment and the third segment are configured to change their respective shapes in response to the body temperature; and wherein the second segment that is located between the first segment and the third segment has a shape that is independent of the body temperature.

Abstract: A tracker 30 for a Head-Mounted Display, HMD, unit is provided. The tracker 30 comprises a carrier element 10 carrying one or more markers 16a, 16b that are configured to permit determining a position of the tracker 30. The carrier element 10 comprises at least one magnetic element 32 configured to cooperate with at least one magnetic element 22 provided on the HMD unit 62, or on a base element 20 that is to be fixed to the HMD unit 62, for detachably attaching the carrier element 10 to the HMD unit 62.

Abstract: An ultrasonic surgical instrument assembly including an irrigation sleeve assembly defining a lumen and an ultrasonic tip at least partially disposed within the lumen of the irrigation sleeve. The irrigation sleeve assembly may comprise a hub and an irrigation sleeve coupled to the hub. The irrigation sleeve may comprise an inner sheath and an outer sheath, both extending distally from the hub. The outer sheath may surround at least a portion of the inner sheath to define an irrigation passageway between the outer sheath and the inner sheath configured to deliver irrigation fluid to the surgical site. The distal end of the inner sheath may extend beyond the distal end of the outer sheath. Each of the inner and the outer sheath may be coupled to the hub by an annular sealing member configured to create fluid-tight seal between the hub and the respective inner and outer sheath.

Abstract: Humeral prosthetic implants, systems, kits and methods of forming and using the humeral prosthetic implants, systems and kits are disclosed. The humeral prosthetic implants include proximal cup portions and distal stem portions, wherein the proximal cup portion is joined to the distal stem portion at a desired offset and/or angle configured based on an analysis of the humeral diaphysis and/or metaphysis offset in a patient. The humeral prosthetic implants may also include an adapter configured to join the proximal cup component with the stem component, wherein the adapter is configured to join the stem component to the stemless cup at a desired offset and/or angle.

Abstract: A powered surgical tool (20) including a handpiece (24) including a motor and a battery and control module (21). The battery and control module includes a module housing (22) having a recess (34) for removably receiving the handpiece, the module housing defining a void space. A rechargeable battery module is disposed in the void space, the rechargeable battery module having a plurality of faces. A first printed circuit board (104) and a second printed circuit board (108) are disposed in the void space. The second printed circuit board is coupled to the first printed circuit board and arranged in a stacked configuration. The first printed circuit board and the second printed circuit board are both positioned on a same side of the rechargeable battery module. A controller is mounted to one of the printed circuit boards and configured to regulate power drawn from the rechargeable battery module based on user input.

Abstract: A vaso-occlusive device comprises a wire having a primary configuration in a constrained condition. The wire forms a secondary configuration in a relaxed, unconstrained condition. The secondary configuration comprises a pyramidal portion comprising a plurality of distal coils. Each distal coil is wound from the wire such that the winding has a perimeter which tapers outwardly from an interior of the pyramidal portion, and a transition segment of the wire between each distal coil and connecting each distal coil. The plurality of distal coils is arranged in a pyramidal shape such that each coil lies in a different lateral face of the pyramidal shape. The vaso-occlusive device may also include a body portion proximal of the pyramidal portion formed from the wire and extending proximally from the pyramidal portion.

Abstract: A technique for determining a patient-specific marker for a tracker of a surgical tracking system is presented, wherein the marker arrangement is defined by marker positions. A method implementation of the technique comprises receiving three-dimensional image data of a patient, obtaining, based on the three-dimensional image data, planning data for a surgical intervention, and determining the marker arrangement for the tracker based at least on the obtained planning data.

Abstract: An ultrasonic surgical assembly for use with a surgical handpiece to provide air cooling of an ultrasonic tip. An ultrasonic tip comprises a shaft and a cutting portion. The tip comprises a first side and a second side that are substantially planar and a cutting head. The tip is removably coupled to a horn. The assembly comprises an irrigation sleeve defining a lumen. The sleeve at least partially surrounds the shaft, defines an inlet aperture, and comprises a conduit in fluid communication with the lumen. The conduit has an outlet aperture and is configured for being connected to a liquid source. The tip comprises a sealing member coupled to its outer surface and has a first bore defining an air inlet disposed proximal the sealing member and a second bore extending from the proximal end of the shaft to the first bore to form a fluid bath therebetween.

Abstract: An electrode for an electrosurgical pencil, the electrode comprising an elongated body made of a conductive material and extending in an axial direction from a proximal end to a distal end, the proximal end configured for engaging the electrosurgical pencil and the distal end forming a blade configured for cutting or coagulation of tissue by electrosurgical energy received from the pencil, the blade being defined by two main surface portions on opposite sides of an axially extending intermediate plane and joined by an edge extending through the intermediate plane. To concentrate electrical energy at the edge and thereby facilitate a more precise cutting and less burnt tissue sticking to the electrode, the main surface portions has a first surface roughness, the edge has a second surface roughness being lower than the first surface roughness, and at least the main surface portions are covered by a surface coating comprising silicone.

Abstract: A targeting system for use with a bone plate includes a body having an upper side and an opposite lower side, a first lateral side and a second opposite lateral side, a first plurality of holes extending through the upper and lower sides and arranged in a first pattern, a second plurality of holes extending through the first and second lateral sides and arranged in a different second pattern.

Abstract: The present disclosure provides a bioresorbable foam closure device for trans-nasally closing an opening in a base of a skull. The closure device comprises a phase-separated polymer. The device includes a stem portion having a proximal end and a distal end, and a head portion at the distal end of the stem portion. The closure device is deformed from a free shape to a constricted shape, inserted through a nasal cavity and into the opening, and released to at least partially revert back to the free shape such that the stem portion fills the opening and the head portion abuts cranium and dura to secure the closure device in position and seal the opening.

Abstract: The present disclosure relates to a housing assembly for accommodating printed circuit boards (PCBs). The housing assembly comprises a first housing portion configured to accommodate a first PCB, a second housing portion configured to accommodate a second PCB, and a separating portion for separating the first housing portion from the second housing portion. The separating portion comprises a first separating region in which the first housing portion and the second housing portion overlap and a second separating region that extends beyond the second housing portion and covers the first housing portion. The second separating region comprises one or more convection openings.

Abstract: A vaso-occlusive coil formed of a wire having a primary configuration in a constrained condition. The coil assumes a secondary configuration in a relaxed, unconstrained condition. The secondary configuration comprises a primary portion comprising a plurality of primary loops, including a distal-most primary loop. A distal anchoring loop is connected to the distal end of the distal-most primary loop. The distal anchoring loop has a substantially triangular shape and is much smaller than the distal-most primary loop. The distal anchoring loop prevents herniation of the device during deployment and retention within an anatomical cavity.

Abstract: An optical sensor system for detecting a tissue type in a surgical procedure is described. The optical sensor system includes an excitation source configured to selectively emit excitation light, a probe comprising at least one fiber coupled to the excitation source and configured to illuminate target tissue with excitation light and collect light from target tissue, a compliance member coupled to the at least one fiber, the compliance member being at least partially translucent and configured to deform in response to engagement by a surgical tool, an indicator element configured to emit light in response to receiving an indicator signal, an optical detection module coupled to the at least one fiber and configured to generate a signal based on the collected light, and a controller configured to determine a tissue characteristic based on the signal and generate the indicator signal based on the determined tissue characteristic.

Abstract: Methods, systems and devices for pre-operatively planned shoulder surgery guides and implants. Pre-operative planning methods for designing a shoulder surgery guide based on considerations of multiple factors affecting the outcome of shoulder surgery. Methods of using surgery guides and implants in patients undergoing shoulder surgery.

Abstract: Embodiments of the present invention include a convertible prosthesis that is capable of conversion from a humeral head replacement to a reverse reconstruction without any removal of parts integrated into the patient's bony anatomy (e.g. implant stems). A desired overall implant inclination angle may be achieved by matching various implant stems with various reverse inserts, thus permitting a resection surface to be matched with an implant stem selection while also permitting a desired overall implant inclination angle to be achieved through the selection of an appropriate insert.

Abstract: An optical tracker usable with a surgical object, the optical tracker includes a tracker frame including a mounting body, which defines an instrument engaging aperture having a longitudinal axis, and an offset body protruding proximally from the mounting body. The instrument engaging aperture is configured to receive a proximal region of the surgical instrument such that the longitudinal axis of the tracker is aligned with an axis of the surgical instrument. The tracker may further include a tracking array coupled to the tracker frame and comprising a mounting fixture and a plurality of LED emitters coupled thereto. The optical tracker may further comprise at least three apex points defined by the tracker frame that extend to a height above the LED emitters.

Abstract: An intravascular catheter comprises a hypotube structure having an elongate tubular body with a proximal end, a distal end, a hypotube pattern of apertures and solid elements disposed on the distal end of the tubular body, and a hypotube lumen extending between the proximal end and the distal end of the tubular body. The intravascular catheter further comprises an inner polymer liner disposed within the hypotube lumen, the inner polymer liner having a liner lumen. The intravascular catheter further comprises a tie layer intermittently attaching the inner polymer liner to the solid elements of the hypotube structure at least one discrete adhesion region along a length of the distal end of the tubular body.

Abstract: The present disclosure provides a handheld instrument assembly for use in a surgical environment. The assembly includes a non-sterile handle and a treatment tool extending from the handle in a distal direction of the handheld instrument assembly. The treatment tool includes a releasable portion which is releasably attached or attachable to the handle or to an adjoining portion of the treatment tool. The assembly further includes a sterile envelope enveloping the non-sterile handle for being gripped by a user of the handheld instrument assembly. The present disclosure also provides a cover assembly, a handheld instrument, and methods of assembling handheld instrument assemblies for use in a surgical environment.