Abstract: A surgical access device includes a tube and a housing coupled to the tube. The housing is configured for passage of a surgical instrument therethrough. The housing includes first and second chambers where the second chamber surrounds the first chamber. A seal is disposed in the first chamber. A port extends from the housing and is in fluid communication with the second chamber. A nozzle is defined between a distal portion of an outer wall of the first chamber and a wall of the housing. The nozzle is configured to direct fluid towards the second chamber.

Abstract: Access assemblies includes an instrument valve housing and a valve assembly disposed within the cavity of the instrument valve housing. The valve assembly includes a guard assembly, a seal assembly disposed adjacent to the guard assembly, and a centering mechanism for maintaining the seal assembly and guard assembly centered within a cavity of the instrument valve. In embodiments, the seal assembly includes a plurality of seal sections that are movable from an unfolded configuration to folded configuration in which the seal assembly forms a hexagonal member defining an opening to facilitate sealed passage of a surgical instrument. The seal sections may include a tapered inner edge for engaging a surgical instrument inserted through the instrument valve housing.

Abstract: A gas circulation system is disclosed for performing robotically assisted surgical procedures in a surgical cavity of a patient, which includes a multi-lumen tube set including a dual lumen portion having a pressurized gas line and a return gas line, and a single lumen portion having a gas supply and sensing line, a valve sealed access cap for cooperative reception with a first robotic cannula and having an inlet path for communicating with the gas supply and sensing line of the tube set, and a gas sealed access cap for cooperative reception with a second robotic cannula and having an inlet path for communicating with the pressurized gas line of the tube set and an outlet path for communicating with the return gas line of the tube set.

Abstract: A valve member for a connector includes a head portion, a body portion, and a circumferential lip seal extending radially outward from an outer surface of the head portion. The head portion includes a top section defining a first seal portion. The body portion extends longitudinally from the head portion and defines a second seal portion at a proximal end thereof. The second seal portion is disposed distally to the first seal portion. The circumferential lip seal is disposed between the first and second seal portions.

Abstract: A method and system for performing transseptal extracorporeal membrane oxygenation is disclosed. The method may include puncturing a septum between the right atrium and the left atrium and advancing a catheter system through the puncture and into the aorta. A first portion of the catheter system can remove blood from the patient, in some examples near the inferior vena cava. A second portion can return oxygenated blood to the patient, through the transseptal puncture and into the aorta.

Abstract: A system for controlling a hemostasis valve includes a hemostasis valve having a body portion having a proximal end, a distal end and a lumen extending between the proximal end and the distal end. The hemostasis value further includes at least one valve positioned in the proximal end of the body portion and an engagement member operatively coupled to the at least one valve. The system further includes a first drive member coupled to the engagement member and a controller coupled to the first drive member. The controller is configured to control the first drive member to impart movement to the engagement member to open and close the at least one valve.

Abstract: Needle assemblies and related methods in which a valve opener is used to push into a valve to open one or more slits on the valve to open the valve. The needle assemblies each includes a needle hub with a needle, a catheter tube with a catheter hub and the valve and valve opener positioned in the interior cavity of the catheter hub. The valve can have a valve skirt and a nose section of the valve opener can locate therein. One or more reliefs can be provided with the valve opener so that an elbow or diagonal section on a needle guard can project from a holding space within the valve opener through the relief.

Abstract: A valve actuator that moves in a catheter assembly between a first position where a valve is closed and a second position where the valve is open, the valve actuator including a shaft portion at a distal end of the valve actuator that is configured to pierce the valve, a mating portion at a proximal end of the valve actuator that is configured to engage a Luer device, a diameter reduction region that connects the shaft portion and the mating portion, and a plurality of windows that extend through the valve actuator for flushing fluid, the plurality of windows being disposed in the diameter reduction region, wherein each of the plurality of windows does not extend a full length of the diameter reduction region.

Abstract: Devices for maintaining a telescope during a minimally invasive surgery (MIS) technique such as laparoscopy or thoracoscopy. A telescope maintenance assembly is comprised of a disc and a dome. The disc is absorbent and includes a central aperture. The dome is hollow and includes an inlet port, a lower protrusion, and outlet ports which abut against the disc when attached thereto. To prepare the assembly for use, the disc is secured about a proximal port of a trocar and the lower protrusion is inserted through the central aperture, and an anti-fog solution is transmitted into and through the dome to wet the disc. After the disc is wetted, the wetted disc can be used by a surgeon or assistant to wipe debris from a lens or other optical component of the telescope without needing to remove the telescope from the trocar.

Abstract: A surgical access device includes a cannula and a housing coupled to the cannula. A cannula lumen and a housing interior communicate to define a working channel that extends along a central axis of the device between proximal and distal device ends. A needle entrance port is arranged on a side portion of the housing and opens to the working channel. A needle exit port is arranged distally of the needle entrance port on a side portion of the cannula, and communicates with the needle entrance port to define a suture path extending through the surgical access device at an oblique angle relative to the central axis. The needle ports are configured to guide a suture passer device distally through the surgical access device and first and second tissues of different thicknesses, while maintaining the same tissue bite distance in each of the first and second tissues.

Abstract: Certain aspects relate to percutaneous sheaths for medical procedures as well as to related systems and methods. For example, a system for performing a percutaneous assisted medical procedure can include a percutaneous sheath. The percutaneous sheath can include a first conduit for providing aspiration into the kidney and a second conduit for passing a catheter into the kidney. The system can also include an aspiration catheter configured to be inserted into the kidney through the second conduit of the percutaneous sheath. A fluidics system can include an irrigation source comprising a pump and an aspiration source comprising a vacuum. The irrigation source can be connected to a fluid inlet of the percutaneous sheath that is connected to the first conduit. The aspiration source can be connected to the aspiration catheter.

Abstract: An apparatus includes a catheter, an introducer, and an actuator. A distal end portion of the introducer has a lock configured to couple the introducer to a closed system intravenous line at least partially disposed in a body. The lock is configured to transition a seal of the closed system intravenous line from a closed state to an open state when coupled thereto. The actuator is at least partially disposed in the introducer and coupled to a proximal end portion of the catheter. The actuator is configured to move the catheter between a first position, in which the catheter is disposed within the introducer, and a second position, in which the catheter extends through the seal of the closed system intravenous line such that a distal end surface of the catheter is positioned distal to the closed system intravenous line.

Abstract: Valve assemblies having improved ability to selectively control flow of fluids through the catheter and prevent leakage of fluids from the proximal end of a catheter that is positioned within a patient. Such improved catheter valve assemblies also prevent leakage of fluids after repeated insertion and removal of medical instruments through the valve.

Abstract: An elbow configured to connect to a positive pressure ventilation mask and to a ventilator circuit that provides a source of pressurized air. The elbow includes an access valve that opens to provide access to the mouth of the patient without removing the mask and seals from ventilator pressure pushing the valve to the closed position.

Abstract: Needle assemblies and related methods in which a valve opener is used to push into a valve to open one or more slits on the valve to open the valve. The needle assemblies each includes a needle hub with a needle, a catheter tube with a catheter hub and the valve and valve opener positioned in the interior cavity of the catheter hub. The valve can have a valve skirt and a nose section of the valve opener can locate therein. One or more reliefs can be provided with the valve opener so that an elbow or diagonal section on a needle guard can project from a holding space within the valve opener through the relief.

Abstract: The various inventions relate to robotic surgical devices, consoles for operating such surgical devices, operating theaters in which the various devices can be used, insertion systems for inserting and using the surgical devices, and related methods.

Abstract: A medical connector for use in a fluid pathway includes a housing configured to permit fluid flow between a first medical device and a second device or location. The medical connector includes a valve member configured to be positioned at least partially within the housing. The valve member is configured to receive the first medical device. The valve member can be moved into a second state. The connector can be adapted for use with a catheter assembly.

Abstract: An intermittent, injection port assembly includes a flexible valve member of the type which is laterally deflected when moved from a closed position to an open position. A high flow non-tortuous flow passage is provided through the injection port assembly by a plurality of lateral passages bypassing a base which supports the flexible valve member.

Abstract: Needle devices having a component that provides the function of fixing a valve in a standard diameter sized catheter hub, the valve and/or the component provide or provides a proximally directed axial force for returning the valve opener from a distal position within the catheter hub to a proximal position within the catheter hub when a male Luer is disconnected from the catheter hub. Various components can be located inside a single hub body catheter hub that can restrict fluid flow, allow actuation to permit fluid flow, prevent needlestick injuries, and combinations thereof.

Abstract: A trocar assembly includes a trocar housing defining a working chamber, a cannula extending from the trocar housing, and a tool stabilizing device arranged within at least one of the working chamber and the cannula. The tool stabilizing device includes an annular body and a plurality of radial adjustment leaves extending radially inward from the annular body and cooperatively forming an adjustable iris.

Abstract: A novel hemostasis valve-equipped indwelling needle that is capable of discharging air in an internal flow path includes a cannula to be inserted percutaneously into a blood vessel on a distal end side thereof, a link connector on a proximal end side thereof, an internal flow path extending from the cannula to the link connector, and a hemostatic valve disposed inside the link connector. An air vent passage that allows the internal flow path to communicate with an external space is formed in the link connector further on the cannula side than the hemostatic valve, and a filter that allows gas to pass through but does not allow liquid to pass through is mounted in a compressed state on the air vent passage.

Abstract: In some embodiments a PEG feeding device includes a tube sized to bridge a channel between a stomach and an outer abdominal surface; an internal bolster, and an external bolster. Optionally the bolsters are connected to the tube. The internal bolster may be sized to resist movement out of the stomach through the stoma. The external bolster may be sized to resist movement into the stoma from the outer abdominal surface. The external bolster may include an underside which extends from the tube in a radial direction between the external bolster and the outer abdominal surface. The underside of the outer bolster may contact the outer abdominal surface at a distance from an external opening of the stoma. Optionally the distance between the internal bolster and the external bolster is adjustable. Optionally an angle between one or both of the bolsters and the tube is adjustable.

Abstract: Access assemblies include an instrument valve housing and a valve assembly disposed within the cavity of the instrument valve housing. The valve assembly includes a guard assembly, a seal assembly disposed adjacent to the guard assembly, and a centering mechanism for maintaining the seal assembly and guard assembly centered within a cavity of the instrument valve. The guard assembly includes a support ring and a plurality of guard sections disposed distally of the support ring. The seal assembly includes a proximal seal member, an intermediate seal assembly, and a distal seal member, the intermediate seal assembly including a plurality of seal sections in a stacked configuration.

Abstract: A flip-top dispensing closure is provided and comprises a base which is attachable to a container and a lid attached to the base by a hinge. The base includes a dispensing passage; a syringe of the type comprising a barrel and a terminal tip is insertable into the passage. The closure further comprises a flexible self-closing valve for closing the passage. In use the syringe is inserted into the passage so that the tip passes through the valve to access product, and thereafter when the syringe is withdrawn the valve wipes against the syringe tip.

Abstract: The present disclosure relates generally to the field of medical instruments. In particular, the present disclosure relates to a biopsy cap and endoscope biopsy cap housing with improved stability and stress distribution to securely and removably attach to an endoscope biopsy port. In one example, a biopsy cap housing may include a first center-split half comprising a first half of an upper and lower chamber and first pivot member, and a second center-split half comprising a second half of an upper and lower chamber, and second pivot member, wherein mating surfaces of the first and second center-split halves may be configured to interlock to define the upper and lower chambers.

Abstract: A cannula and instrument guide assembly includes a cannula with a proximal portion and a tube. An instrument guide is removably inserted into the proximal portion of the cannula and extends through the cannula to a distal end of the tube. The proximal portion of the cannula has an insufflation port. The instrument guide provides at least one interior passageway to support a shaft of a surgical instrument that passes through the instrument guide. One or more channels on an outer surface of the instrument guide provide a passage for insufflation gas received from the insufflation port to the distal end of the tube. The one or more channels have a first cross-sectional area at a proximal end and a second, larger cross-sectional area at a distal end. The one or more channels may have the first cross-sectional area along a majority of the length of the channels.

Abstract: A system and method for reducing the risk of contamination of interior regions of a needle guide which is disposed on an endocavity transducer, which system includes an elastic membrane forming a pocket which covers a needle exit hole in the needle guide. The pocket is disposed on a sheath which is both; disposed around the endocavity transducer and between the endocavity transducer and the needle guide.

Abstract: A stapling device includes a handle assembly and an adaptor assembly extending from the handle assembly and including a sealed trocar assembly. The trocar assembly includes a trocar housing defining a lumen, an annular seal having an inner annular surface defining an inner opening, and a trocar disposed within the lumen of the trocar housing, through the inner opening of the annular seal, and movable through the lumen of the trocar and the inner opening of the annular seal, and a seal retainer operably coupled to the trocar housing and the annular seal. The trocar includes an elongate body portion having a distal end and a trocar member extending distally from the distal end of the elongate body portion.

Abstract: A compliant catheter adapter may include a catheter adapter body formed of a compliant material. The catheter adapter body may have a generally elongate shape and an inner chamber. The catheter adapter body may include a compression resistant septum disposed toward the proximal end of the catheter adapter body. The compression resistant septum may have a lumen configured to receive an elongate object. The compression resistant septum may also be coupled to a compression cap that imparts a compression force on the compression resistant septum such that the lumen narrows and seals when the elongate object is removed from the lumen.

Abstract: A surgical access device includes a seal assembly having a seal housing and a gimbal mount disposed within the seal housing, the seal housing defining a central longitudinal axis and having a longitudinal passage for receiving at least one surgical object therethrough and the gimbal mount adapted for angular movement relative to the central longitudinal axis. The surgical access device also includes a bellows configured to engage at least a portion of the gimbal mount, the bellows dimensioned and adapted to establish a biasing relationship with the gimbal mount, such that the bellows overcomes a frictional relationship between the gimbal mount and the seal housing, thereby moving the gimbal mount towards a position in which the passage of the gimbal mount is aligned with the central longitudinal axis. The bellows is configured to be attached to a side wall of the seal housing.

Abstract: Access assemblies includes an instrument valve housing and a valve assembly disposed within the cavity of the instrument valve housing. The valve assembly includes a guard assembly, a seal assembly disposed adjacent to the guard assembly, and a centering mechanism for maintaining the seal assembly and guard assembly centered within a cavity of the instrument valve. In embodiments, the seal assembly includes a plurality of seal sections that are movable from an unfolded configuration to folded configuration in which the seal assembly forms a hexagonal member defining an opening to facilitate sealed passage of a surgical instrument. The seal sections may include a tapered inner edge for engaging a surgical instrument inserted through the instrument valve housing.

Abstract: A self-slitting open lumen cannula may be used with catheter adapters to reduce manufacturing complexity and costs, as well as improve the safety of the catheter adapters against fluid leakage. The open lumen cannula may also include one or more notches to facilitate flashback visualization. The catheter adapters may further include a catheter adapter body formed of a compliant material that houses one or more compression resistant septa with at least one lumen formed by the proximal end of the needle during a self-slitting process as the catheter adapter is assembled. The compression resistant septum may also be coupled to a compression cap that imparts a radial compression force on the one or more compression resistant septa such that the at least one lumen narrows and seals when the cannula is removed.

Abstract: An extension member is has a body with a proximal end and an opposing distal end. It includes a hollow lumen extending therethrough from the proximal end to the distal end. It has a female luer lock connector proximate its proximal end and a male luer lock connector proximate its distal end. Its body has an outer surface with a driven member.

Abstract: The surgical robotic access system provides access for robotic instruments and/or actuators including the introduction, operation and withdrawal of such robotic manipulators into a body cavity without permitting the escape of pressurized fluid or gas. The surgical robotic access system also provides a multi-faceted range of movement without touching or effecting pressure on the opening in the patient's body cavity.

Abstract: Access assemblies includes an instrument valve housing and a valve assembly disposed within the cavity of the instrument valve housing. The valve assembly includes a guard assembly, and a seal assembly disposed distal of the guard assembly. In embodiments, the seal assembly includes a plurality of seal segments in an overlapping configuration. Each seal segment of the plurality of seal segments includes a seal portion having a smooth surface and a ribbed surface. The ribbed surfaces include a plurality of ribs extending in a radial direction.

Abstract: The present invention generally provides methods and devices for removing fluid from a surgical instrument. Surgical access devices and seal systems are generally provided having one or more valves or seal assemblies to create a closed system between the outside environment and the environment in which the surgical access device is being inserted. The devices of systems can also include a fluid remover in the form of a sorbent element, a scraper element, a wicking element, or any combination thereof that is configured to remove fluid from a working channel of the device or system and/or from a surgical instrument inserted therethrough.

Abstract: A self activating vent cap configured to be operably coupled to a needleless connector and automatically shifted relative to the needleless connector from the first, storage position to a second, activated position upon rotation of the vent cap relative to the needleless connector. The self activating vent cap including a threaded portion, an activation portion and a biasing mechanism, wherein shifting of the activation portion to the second, activated position is selectively precluded by the interference of at least one ridge of the threaded portion with a ledge of the activation portion.

Abstract: Access assemblies include an instrument valve housing and a valve assembly disposed within the cavity of the instrument valve housing. The valve assembly includes a guard assembly, a seal assembly disposed adjacent to the guard assembly, and a centering mechanism for maintaining the seal assembly and guard assembly centered within a cavity of the instrument valve. The guard assembly includes a support ring and a plurality of guard sections disposed distally of the support ring. The seal assembly includes a proximal seal member, an intermediate seal assembly, and a distal seal member, the intermediate seal assembly including a plurality of seal sections in a stacked configuration.

Abstract: An access device for surgical procedures includes an end cap having a rigid body with a flexible support sealingly mounted to the rigid body with at least one separate access port for accommodating introduction of individual surgical instruments into a body of a patient. The at least one access port is sealingly attached to the flexible support and extend in a proximal direction therefrom. The flexible support is of a material more flexible than those of the rigid body and the at least one access port to provide for relative angular movement of the at least one access port to provide flexibility for positioning surgical instruments introduced through the at least one access port.

Abstract: A trocar comprising an alignment channel and an instrument seal comprising a bending portion and a base portion. The bending and base portions of the instrument seal are spaced relative the alignment channel such that when a surgical instrument is retracted the bending portion inverts and the lip does not enter the alignment channel.

Abstract: A connector includes: a housing that includes a tubular body connecting unit to which a tubular body is connectable, a concave portion inside the housing, and a receiving portion; and a valve body configured such that, when the tubular body is connected to the tubular body connecting unit, the valve body is pressed by the tubular body against a biasing force, thereby sliding from a closed position to an opened position. The valve body includes an overriding portion configured such that, as the valve body slides from a closed position side toward an opened position side, the overriding portion is pressed against the receiving portion of the housing and rides over the receiving portion by elastic deformation.

Abstract: A system for controlling a hemostasis valve includes a hemostasis valve having a body portion having a proximal end, a distal end and a lumen extending between the proximal end and the distal end. The hemostasis value further includes at least one valve positioned in the proximal end of the body portion and an engagement member operatively coupled to the at least one valve. The system further includes a first drive member coupled to the engagement member and a controller coupled to the first drive member. The controller is configured to control the first drive member to impart movement to the engagement member to open and close the at least one valve.

Abstract: A surgical access sealing device comprises expansile chambers 306, 307, 308, 309 which define inflation spaces. An upper layer 304 in one case comprises two chambers 306, 307 which are overlapped when uninflated. A lower layer 305 comprises two chambers 308, 309 which are also overlapped, when uninflated. The region of overlap between the chambers 306, 307 of the first layer is offset from the region of overlap between the chambers 308, 309 of the second layer. The walls of the inflated chambers are movable for passage of an object such as a surgeon's arm/hand whilst maintaining a seal.

Abstract: A surgical access system comprises a trocar, an insufflating optical obturator slidably insertable into the trocar, and a laparoscope slidably insertable into the obturator. A distal end of the obturator comprises a tip, at least a portion of which comprises a wall with a generally uniform thickness comprising a transparent material. At least one vent hole disposed at the obturator tip is fluidly connected to a gas flow channel defined by an interior surface of the obturator and the laparoscope, which is fluidly connected to an insufflation gas inlet disposed at a proximal end of the trocar. Improved optical characteristics of the trocar system permit precise and accurate visual placement thereof into a body cavity. Accordingly the access system is suitable as a first entry surgical access system. Embodiments of the trocar access are also useful for drug delivery, and/or for fluid and/or tissue aspiration.

Abstract: Access assemblies includes an instrument valve housing and a valve assembly disposed within the cavity of the instrument valve housing. The valve assembly includes a guard assembly, a seal assembly disposed adjacent to the guard assembly, and a centering mechanism for maintaining the seal assembly and guard assembly centered within a cavity of the instrument valve. In embodiments, the seal assembly includes a plurality of seal sections that are movable from an unfolded configuration to folded configuration in which the seal assembly forms a hexagonal member defining an opening to facilitate sealed passage of a surgical instrument. The seal sections may include a tapered inner edge for engaging a surgical instrument inserted through the instrument valve housing.

Abstract: A surgical access device that includes a seal assembly. The seal assembly includes an upper housing portion having a first seal and a lower housing portion including a second seal. The upper housing portion is rotatably connectable to the lower housing portion. The surgical access device also includes a rotation prevention mechanism configured to prevent inadvertent relative rotation of, and disconnection of, the upper housing portion and the lower housing portion. The rotation prevention mechanism is further configured to be selectively actuated by a user, such that, when actuated, the upper housing portion is selectively rotatable relative to, and disconnectable from, the lower housing portion.

Abstract: A trocar assembly with an integrated scope-cleaning structure may have a proximal portion configured for accessibility by a user and a cannula extending distally from the proximal portion and configured to extend distally into a patient body, where the cannula is further configured to receive a distal end of a scope such that the scope can be maneuvered through the cannula to a location within the patient body. A cleaning element may be included, where the proximal portion includes a housing, where the cleaning element is substantially located within the housing.

Abstract: An introducer assembly includes a valve having a first end and an opposite second end; a sheath fixedly secured to and extending axially from one of the first and second ends of the valve; a dilator extending through the valve and sheath; and a lock knob rotatable between locked and unlocked positions to releasably axially lock the tool relative to the sheath without causing corresponding rotation of the tool therewith.

Abstract: The surgical robotic access system provides access for robotic instruments and/or actuators including the introduction, operation and withdrawal of such robotic manipulators into a body cavity without permitting the escape of pressurized fluid or gas. The surgical robotic access system also provides a multi-faceted range of movement without touching or effecting pressure on the opening in the patient's body cavity.

Abstract: The present invention relates to a connector system for use in connecting conduits together, such as those used with an extracorporeal blood circulation system. The system has a male and female connector and a seal. The seal is operatively associated with the male and female connectors and forms a fluid tight connection between the male and female connectors. An inner surface of the seal and the inner surfaces of the first and second coupling ends form a continuous and smooth transitional surface.