Abstract: An implantable cardiac monitor (ICM) may be configured to be deployed subcutaneous, submuscular, or substernal at a position that enables the ICM to detect cardiac activity. In some cases, the ICM includes a housing that includes a body portion and a tail portion. A first electrode may be disposed adjacent a first end of the body portion, a second electrode may be disposed adjacent a second end of the body portion and a third electrode may be disposed adjacent a tail end of the tail portion. A controller may be disposed within the housing and may be operably coupled to the first electrode, the second electrode and the third electrode. The controller may be configured to select a pair of the first electrode, the second electrode and the third electrode to use for sensing cardiac electrical activity and to communicate information about the sensed activity to a second medical device.

Abstract: An introducer sheath assembly including an introducer sheath and a protective sheath. The introducer sheath includes a hub having a proximal end and a distal end, and a tubular sheath projecting from the distal end of the hub. The protective sheath has a proximal end and a distal end. The distal end of the protective sheath is attached to the hub adjacent to the proximal end of the hub. The protective sheath is configurable between an undeployed state wherein the proximal end of the protective sheath is adjacent to the hub, and a deployed state wherein the proximal end of the protective sheath is away from the hub.

Abstract: A medical electrical lead includes a threaded conductor, a coil conductor, and a sleeve. The threaded conductor has an outer surface with a threaded section that includes threads defining grooves between the threads. The coil conductor has coils seated in the grooves of the threaded conductor. The coil conductor has a coil major diameter greater than a thread major diameter. The sleeve is positioned radially outward of the coil conductor and has an inner surface in contact with the coil conductor so as to produce a radially inward force compressing the coil conductor against the threaded section of the threaded conductor.

Abstract: Embodiments of the present disclosure relate to systems and methods for determining a subject's blood pressure using one or more implantable medical devices (IMDs). In an embodiment, a medical system comprises: at least one implantable medical device configured to sense signals associated with heart sounds of a subject and a processing unit communicatively coupled to the at least one implantable medical device. The processing unit is configured to: receive heart sound signals corresponding to the signals associated with the heart sounds; and calculate a surrogate of the subject's blood pressure using at least one heart sound signal of the received heart sound signals.

Abstract: An implantable pulse generator includes a device housing containing pulse generator circuitry and a header connected to the device housing. The header includes a core assembly defining first and second lead bore cavities sized for receiving terminal pins of leads, first and second labels, and an outer layer. The first label is printed onto a surface of the core assembly proximate the first lead bore cavity and includes a first color. The second label is printed onto the surface of the core assembly proximate the second lead bore cavity and includes a second color different from the first color. The outer layer is overmolded over the core assembly so as to encapsulate the first and second labels and to allow access to the first and second lead bore cavities.

Abstract: An assembly for an implantable device can be made from polyurethane and can incorporate one or more radiopaque agents and one or more elutable drug components into a polymeric lead tip. The assembly can be machined or injection molded and can be configured, for example, as a housing for an active fixation lead or as an electrode base supporting a foil electrode.

Abstract: Various embodiments concern a lead system for anchoring a lead, the lead system comprising a lead and an anchor. The anchor can comprise a ring and a flange extending from the ring. The anchor can be mounted on the lead such that the lead extends through the ring and the flange extends over an electrode of the lead. The lead system can further comprise a tether having a proximal portion and a distal portion. The proximal portion of the tether can attached to the lead while the distal portion of the tether can be attached to a needle. During an implantation procedure, the tether can be cut to remove the needle. The tether can then be attached to the flange. The lead, the anchor, and the tether can form a loop around a section of tissue to anchor the lead to the tissue.

Abstract: Methods and devices for redirecting at least a portion of a fluid from the mesenteric lymphatic system for elimination from the body are disclosed. The fluid may be redirected for elimination through the urinary system, through the gastrointestinal system, or redirected outside the body. The device may include a valve to control a flow of the fluid. The methods and devices disclosed may prevent a portion of a patient's dietary lipids, including cholesterol, from being metabolized and absorbed, thereby reducing the total caloric load to assist in weight management and/or for prevention/treatment of atherosclerosis.

Abstract: An implantable pulse generator includes a device housing containing pulse generator circuitry and a header connected to the device housing. The header includes a core assembly defining first and second lead bore cavities sized for receiving terminal pins of leads, first and second labels, and an outer layer. The first label is printed onto a surface of the core assembly proximate the first lead bore cavity and includes a first color. The second label is printed onto the surface of the core assembly proximate the second lead bore cavity and includes a second color different from the first color. The outer layer is overmolded over the core assembly so as to encapsulate the first and second labels and to allow access to the first and second lead bore cavities.

Abstract: Devices or methods such as for stimulating excitable tissue or sensing physiologic response or other signals that can use separate fixation mechanism is described. An implantable apparatus can include a modular electrostimulation electrode assembly that can include a first module and a second module that can be end user-attachable to each other and end user-detached from each other. The first module can include an electrostimulation electrode fixation support member that can be laid flat against or otherwise conform to a surface of a heart, and can define a centrally located open portal such as for permitting electrode access to the surface of the heart. The second module can include an electrostimulation electrode that can be inserted through the portal of the fixation support member such as to contact the surface of the heart such as to deliver chronic electrostimulation to the heart.

Abstract: An assembly for an implantable device can be made from PEEK and can incorporate one or more radiopaque agents and one or more elutable drug components into a polymeric lead tip. The assembly can be machined or injection molded and can be configured, for example, as a housing for an active fixation lead or as an electrode base supporting a foil electrode.

Abstract: Fixation mechanism assemblies and methods are disclosed. A fixation mechanism assembly can include a first fixation member and a second fixation member moveably engaged with the first fixation member. The first fixation member can include a housing having a tissue facing surface and an opposing non-tissue facing surface, one or more guide apertures extending between the tissue facing surface and the non-tissue facing surface, and one or more first fixation elements. The first fixation member includes a longitudinal body and a proximal end attached to, or integrated with, the tissue facing surface of the housing. The second fixation member can include one or more second fixation elements. The second fixation element can correspond to a guide aperture and includes a longitudinal body, a proximal end attached to, or integrated with, the second fixation member, and a distal end movable through the corresponding guide aperture.

Abstract: Various aspects of the present disclosure are directed toward apparatuses, systems, and methods that include a housing having a proximal portion including a proximal opening, distal portion including a distal opening, and an intermediate portion sized to contain a medical device; and an inserter having at least a portion comprising a greater width than at least one other portion of the inserter.

Abstract: A medical stylet for guiding a lead includes a first elongate member for attachment of the lead to the target tissue, a second elongate member to reshape the lead. The first elongate member of the medical stylet includes a proximal end portion, and a distal end portion wherein the distal end portion of the first elongate member includes a tip feature configured to engage the lead on application of torque externally. The second elongate member defines a lumen along its length. The lumen of the second elongate member can be configured to enclose at least a portion of the first elongate member. The second elongate member can have a pre defined shape. The pre defined shape of the second elongate member allows the lead to be reshaped when inserted into the lead, this reshaped lead now can be guided to an anatomical pass way.

Abstract: A system includes a medical device lead including a connector at a proximal end of the lead, a conductor electrically connected to the connector at a proximal end of the conductor, and at least one electrode coupled to a distal end of the conductor. The system further includes a device securable to the proximal end of the lead including an inductive element. The device includes a port configured to receive the connector and position the inductive element around at least a portion of the connector.

Abstract: Aspects of the present disclosure are directed toward apparatuses, methods, and systems that may include a blade comprising a leading point configured to puncture skin of a patient. In addition, the apparatuses, methods, and systems may also include a housing configured to hold the blade and provide a surface for a user to control the housing and the blade, the opening comprising sidewalls configured to control a depth to which the blade extends under the skin of the patient, and a motor arranged with the housing and configured to mechanically vibrate the blade.

Abstract: A temporary neurostimulation lead may be secured relative to patient using a fixation device. The fixation device may include an attachment portion that is configured to be releasably fixated to the patient and a lead fixation portion that is configured to secure the temporary neurostimulation lead. The fixation device can be adhesively fixated to the patient via the attachment portion and the temporary neurostimulation lead can be fixated to the lead fixation portion of the fixation device.

Abstract: A medical device lead includes a flexible body having a proximal region with a proximal end, and a distal region with a distal end. A connector is coupled to the proximal end of the flexible body of the lead to electrically and mechanically connect the lead to an implantable pulse generator. A composite wire having a proximal end is electrically coupled to the connector. The composite wire includes an inner conductor element and a plurality of outer conductor elements adjacent to and radially spaced from the inner conductor element. A distal end of each of the inner conductor element and the plurality of outer conductor elements is connected to one of a plurality of electrodes in the distal region of the flexible body.

Abstract: A fixation tool for applying torque to a terminal pin of an active fixation medical electrical lead includes a first handle, a second handle, an elastic member, a first jaw, a second jaw, and an insert. The insert is disposed at an end of the tool slot proximal to the elastic member. The insert includes an insert slot configured to align with the tool slot. The fixation tool is configured such that pressing the first handle and the second handle toward each other causes a movement of the first jaw and the second jaw relative to each other to change a width of the insert slot. The first jaw and the second jaw are comprised of a first material. The insert is comprised of a second material. The first material is harder than the second material.

Abstract: An electrical connector for detachably connecting an electrical lead to an implantable medical device includes a conductive housing and a plurality of spring contacts. The conductive housing extends from a proximal end to a distal end. The conductive housing has an interior surface forming a hollow cylinder. The plurality of spring contacts projects from the interior surface of the conductive housing and toward the proximal end. The plurality of spring contacts is at least partially contained within the conductive housing and configured to form an electrical connection to an electrical lead inserted within the conductive housing. The conductive housing and the plurality of spring contacts are integrally formed by an additive manufacturing process such that the electrical connector is a unitary structure.