Abstract: A handheld body cavity access device includes a handle having a distal end, a proximal end, a longitudinal axis, and a cavity. A dilator assembly has a proximal end coupled to the handle and a distal end. A blade assembly is at least partially disposed within the dilator assembly and has a proximal end, a distal end, and a blade hub coupled to the proximal end and disposed in the cavity of the handle. The dilator assembly is movable axially between a retracted position, in which a distal end of the blade assembly extends from the distal end of the dilator assembly, and an extended position, in which the distal end of the blade assembly is covered by the distal end of the dilator assembly. The blade hub includes a body defining a bore aligned with the longitudinal axis and a tab extending away from the longitudinal axis.

Abstract: A compact battery and voltage supply controller apparatus for a tattoo machine is disclosed. The battery and controller are configured to connect the battery to the tattoo machine through replaceable internally received magnetic connection adapters. The toggle switch operated display screen provides easy-to-view status and health of the battery and incremental voltage adjustment using a voltage boost circuit and adjustment knob. The internal battery can be replaced and/or removed and recharged.

Abstract: An automatic tattoo apparatus can be used to robotically apply tattoos. A customer can shop on an online tattoo marketplace to select designs created by various artists located anywhere. The online tattoo marketplace can process and manage payments, artist and/or customer profiles, bookings, tattoo design uploads, browsing and design selection, design changes, and/or perform other actions. The automatic tattoo device can apply tattoos precisely, quickly, and may with reduced pain. The tattoo apparatus can apply a wide range of different types of tattoos, including but not limited to micro tattoos, dotwork, blackwork tattoos, realism tattoos, fine-line tattoos, etc.

Abstract: Delivery systems, methods and associated devices to facilitate delivery and deployment of a heart implant. Such delivery systems and methods of delivery include use of a pair of magnetic catheters, including an anchor delivery catheter carrying an anchor, which can be stacked with or can be axially offset from the magnetic head. Such systems further include use of a puncturing guidewire advanceable through the magnetic head of the anchor delivery catheter to establish access to a chamber of a heart and which is attached to a bridging element such that continued advancement of the guidewire draws a bridging element attached to the first anchor across the chamber of the heart while the bridging element remains covered by the magnetically coupled catheters. Methods and devices herein also allow for cutting and removal of a bridge element of a deployed heart implant.

Abstract: An application device for a fluid delivery includes a housing having a bore extending from a bottom of the housing. The bore is sized and shaped for receiving at least a portion of the fluid delivery apparatus. The application device also includes an impact component for impacting the fluid delivery apparatus and moving at least a portion of the fluid delivery apparatus towards a user's skin. The application device includes a safety arm that is positionable relative to the impact component between a locked configuration in which the impact component is secured in a safety position, and a released configuration in which the impact component is free to move within the housing for impacting the fluid delivery apparatus.

Abstract: An automatic tattoo apparatus can be used to robotically apply tattoos. A customer can shop on an online tattoo marketplace to select designs created by various artists located anywhere. The online tattoo marketplace can process and manage payments, artist and/or customer profiles, bookings, tattoo design uploads, browsing and design selection, design changes, and/or perform other actions. The automatic tattoo device can apply tattoos precisely, quickly, and may with reduced pain. The tattoo apparatus can apply a wide range of different types of tattoos, including but not limited to micro tattoos, dotwork, blackwork tattoos, realism tattoos, fine-line tattoos, etc.

Abstract: The invention relates to a needle delivery device comprising a device body; one or more skin pinching members attached to the device body, the skin pinching members being moveable to pinch a longitudinal fold of skin of a patient. The device also comprises a drive mechanism configured to drive a needle out of the device body and along a needle path into the longitudinal fold of skin pinched between the pinching members, and subsequently withdraw the needle, the needle path extending substantially parallel to the surface of the patient.

Abstract: A method for gripping the pericardium uses a device with an outer part and an inner part. The device is pushed through an incision towards the pericardium until an end of the device touches the pericardium or the heart or a layer arranged on the heart. Subsequently, the inner part is moved until at least one outer part end and/or an inner part end is arranged on the pericardium. The device for gripping the pericardium has an inner tube and an outer tube. The inner tube and the outer tube have end surfaces with different surface structures.

Abstract: A balloon catheter and methods for use are disclosed for endovascular procedures, e.g., performing a thrombectomy. In one embodiment, among others, the balloon catheter includes an elongated catheter body. At a distal end, the catheter body also includes an angled tip and a balloon adjacent to the angled tip. The balloon is inflatable to form an oblong shape.

Abstract: A catheter is disclosed that allows selective direction of a surgical tool into multiple blood vessels of a patient. The catheter includes a catheter body that has a main exit port and a side exit port. An internal balloon is provided within the catheter body. The internal balloon is inflatable, and can be located at or near a distal portion of the side exit port. When deflated, the internal balloon allows the surgical tool to advance past the side exit port and out the main exit port. When inflated, the internal balloon directs the surgical tool to advance out the side exit port instead of the main exit port.

Abstract: An application device for a fluid delivery includes a housing having a bore extending from a bottom of the housing. The bore is sized and shaped for receiving at least a portion of the fluid delivery apparatus. The application device also includes an impact component for impacting the fluid delivery apparatus and moving at least a portion of the fluid delivery apparatus towards a user's skin. The application device includes a safety arm that is positionable relative to the impact component between a locked configuration in which the impact component is secured in a safety position, and a released configuration in which the impact component is free to move within the housing for impacting the fluid delivery apparatus.

Abstract: A compact battery and voltage supply controller apparatus for a tattoo machine is disclosed. The battery and controller are configured to connect the battery to the tattoo machine through replaceable internally received magnetic connection adapters. The toggle switch operated display screen provides easy-to-view status and health of the battery and incremental voltage adjustment using a voltage boost circuit and adjustment knob. The internal battery can be replaced and/or removed and recharged.

Abstract: A needle module for a drive-controlled handheld unit for repeatedly piercing human or animal skin, comprising a housing; a needle holder, which can be moved back and forth in the housing in a longitudinal direction of the housing; a piercing device on the needle holder, which can be moved, on account of the movement of the needle holder, between a proximal and a distal position, in which a piercing tip of the piercing device is arranged outside the housing; a coupling component, which is coupled to the needle holder in such a way that a driving movement provided with a repetition frequency by a drive device that can be coupled to the coupling component can be introduced onto the needle holder; and a damping component, which is arranged between the needle holder and the coupling component and is configured to damp a transfer of force therebetween.

Abstract: An end effector including an elongate shaft with a lumen has an adapter at one end for coupling with a handle assembly of a surgical instrument. A support member has opposed openings defining a passage. The support member is positionable within the lumen. A trocar assembly has a sleeve and a trocar member. The trocar assembly is insertable into the passage. The sleeve includes an orifice extending through a wall of the sleeve. A pin is disposed in the elongate shaft and is slidable in a direction that is transverse to a longitudinal axis of the elongate shaft. The pin is insertable into the orifice for retaining the trocar assembly longitudinally stationary relative to the elongate shaft that defines an inserted position of the pin. The support member includes a proximal ramp that is engageable with a head of the pin to maintain the pin in the orifice of the sleeve.

Abstract: A multi-lumen arthroscopy cannula (MLAC) is described which may be used to contain and manage joint irrigation fluid as a means of improving the state of arthroscopic surgery. The MLAC includes an arrangement of components within a cannula housing. An internal passage (central lumen) through which surgical instruments may be inserted into the body includes a series of components which greatly reduce the leakage path of fluid through the central lumen while enabling manipulation of surgical instruments during arthroscopic procedures. A dual-tapered diaphragm seal grips the instruments as it is manipulated to prevent leakage. This works in concert with the consecutively placed multi-leaflet valves, which act to prevent internal leakage and maintain pressure within the surgical cavity. Unique features of this cannula, aside from the multiple valves and dual-tapered diaphragm seal, include bilateral lumens which provide infusion and withdrawal of irrigation inside the joint capsule.

Abstract: A surgical access port or trocar is provided. The trocar has a trocar seal housing and a trocar cannula with an optical obturator insertable through the trocar seal housing and the trocar cannula. The trocar is configured to access a body cavity, to maintain positive pressure and to prevent loss of surgical insufflation gas used in laparoscopic procedures. The trocar seal housing can be releasably attached to the trocar cannula. The trocar seal housing may also have a shield and/or alignment channel that provide protection or assist in operation of instrument and zero seals housed in the trocar seal housing.

Abstract: The disclosure of this application relates generally to medical devices and in particular to a steerable medical instrument applicable to guide interventional tools and instruments, such as percutaneous biopsy and ablations tools and endoscopes. The steerable medical instrument has an outer and an inner tube where the inner tube is movable at the proximal end and fixed at the distal end. At least one of the outer tube and inner tube has a plurality of openings, which creates deformable portions so that the outer and the inner tubes can bend by moving the inner tube at the proximal end.

Abstract: A compact battery and voltage supply controller apparatus for a tattoo machine is disclosed. The battery and controller are configured to connect the battery to the tattoo machine through replaceable internally received magnetic connection adapters. The toggle switch operated display screen provides easy-to-view status and health of the battery and incremental voltage adjustment using a voltage boost circuit and adjustment knob. The internal battery can be replaced and/or removed and recharged.

Abstract: A surgical access system is disclosed including a first robotic arm, a second robotic arm, and a surgical access device. The surgical access device includes an atraumatic outer housing defining an outer perimeter, a first access port including a first seal, a second access port including a second seal, a first docking portion, and a second docking portion. The first access port is configured to receive a first surgical tool and the second access port is configured to receive a second surgical tool. The first robotic arm is configured to be releasably coupled to the first docking portion to define a first remote center for the first surgical tool at the first access port and the second robotic arm is configured to be releasably coupled to the second docking portion to define a second remote center for the second surgical tool at the second access port.

Abstract: A system for accessing arterial vasculature from a venous insertion site includes a first elongate tubular member, a second elongate tubular member configured to be disposed within a lumen of the first elongate tubular member, an elongate crossing member including a distal tip comprising a frusto-conical outer surface, and configured to be disposed within a first lumen of the second elongate tubular member, and a stylet configured to be disposed within a lumen of the elongate crossing member, wherein placement of the second elongate tubular member, elongate crossing member, and stylet together through the lumen of the first elongate tubular member does not substantially straighten a curved distal portion of the first elongate tubular member, and wherein the elongate crossing member and stylet are removable from the first lumen of the second elongate tubular member when it is within the lumen of the first elongate tubular member with at least its distal end extending out of the first elongate tubular member.

Abstract: Various methods employing transvascular access devices are described, including a method of placing a central catheter in a peripheral vein in an arm of a patient; a method of providing percutaneous access to the heart of a patient; a method of clearing a clotted arteriovenous dialysis graft; a method of creating multiple access points into a single blood vessel; a method of creating an AV fistula in a patient; and a method of providing a bypass to a blockage in a popliteal artery in a patient.

Abstract: A hand-holdable device for tattooing includes a handle part with a drive, a needle module which is detachably secured to the handle part and includes a needle that can be moved back and forth by the drive, and a protective sleeve which is configured to fully isolate the needle module from the handle part. The needle is connected to the drive by a form-fitting and/or magnetic coupling including coupling elements and the protective sleeve is releasably held between the coupling elements.

Abstract: In some embodiments, a method includes a shaft having a side catheter guide attached thereto via a guide coupler into an inferior vena cava and a superior vena cava such that the guide coupler is disposed in a right atrium, and applying a distal force to a proximal portion of the side catheter guide such that a distal end of the side catheter guide deflects laterally about the guide coupler towards a septum. The method further includes extending a side catheter that is disposed within the side catheter guide distally from the side catheter guide towards and into contact with the septum. The method further includes, with the side catheter in contact with the septum, extending a septum penetrator that is slidably disposed within the side catheter distally from the side catheter such that the septum penetrator pierces the septum.

Abstract: An improved transparent bladeless obturator includes a proximal handle, a distal-end portion and a shaft therebetween, the handle and the shaft including a generally-aligned axis aperture, the distal-end portion including a transparent tip, from the distal end to the proximal end, the transparent tip divided into a top-portion, a spear-portion, a transition-portion and a base-portion; the top-portion includes an apex and a rotary-wall extending axially from the apex to the proximal end and gradually increasing in a transverse direction, the rotary-wall limiting a hollow cone; the main-portion including a main-body wall, the rotary-wall and the main-body wall extend to be intersected and form a circular field of vision; the sweeping-wall extends axially from the distal end to the proximal end and gradually increases in a transverse direction; and the spear-portion includes the first transverse-portion and the second transverse-portion.

Abstract: The disclosure relates to a needle-guiding device for a skin pricking device, comprising a base body, a skin pricking needle (3) and a needle channel (14), which is formed in the base body and in which the skin pricking needle (3) is arranged, wherein the skin pricking needle (3) can be moved back and forth repeatedly in the needle channel (14) along a movement path, wherein a channel wall (17) of the needle channel (14) has proximal guide wall sections (18) with respect to the skin pricking needle (3), on which the skin pricking needle (3) comes to rest for the needle guidance in response to the back and forth movement, and has distal wall sections (19), which are recessed relative to the proximal guide wall sections (18) and which are free from a direct contact with the skin pricking needle (3) in response to moving the skin pricking needle (3) back and forth in the needle channel (14). A skin pricker is furthermore provided.

Abstract: A device for guiding a puncture tool to form a pilot hole through which a pedicle screw is buried in a pedicle, the device including a linear reference pin disposed forward from a rear side of a spine toward a target point of a pedicle base; a tubular sleeve having a sleeve central axis disposed at a predetermined insertion angle to the reference pin, and having a distal end open toward the target point and through which the puncture tool is passed and guided; and a rod member that couples a proximal side of the reference pin to the sleeve and maintains the sleeve central axis at the predetermined insertion angle to the reference pin. Plural slits are formed with a cutting direction orthogonal to the reference pin. A shape of a slit portion is recognized by an X-ray fluoroscopic image, and the puncture tool can be easily guided.

Abstract: Devices associated with on-body analyte sensor units are disclosed. These devices include any of packaging and/or loading systems, applicators and elements of the on-body sensor units themselves. Also, various approaches to connecting electrochemical analyte sensors to and/or within associated on-body analyte sensor units are disclosed. The connector approaches variously involve the use of unique sensor and ancillary element arrangements to facilitate assembly of separate electronics assemblies and sensor elements that are kept apart until the end user brings them together.

Abstract: Devices associated with on-body analyte sensor units are disclosed. These devices include any of packaging and/or loading systems, applicators and elements of the on-body sensor units themselves. Also, various approaches to connecting electrochemical analyte sensors to and/or within associated on-body analyte sensor units are disclosed. The connector approaches variously involve the use of unique sensor and ancillary element arrangements to facilitate assembly of separate electronics assemblies and sensor elements that are kept apart until the end user brings them together.

Abstract: A sterile field encroachment indicator apparatus for a surgical lighting system includes one or more encroachment indicators, one or more sensor units, and one or more controllers. The encroachment indicators are configured to indicate encroachment of a predetermined proximity to a surgical lighthead by a foreign entity and contact of the encroaching foreign entity with the surgical lighthead. The surgical lighthead is configured to provide illumination in order to illuminate a surgical environment. The sensor units are positioned in the surgical lighthead, and are configured to sense proximity of the foreign entity to the surgical lighthead and the contact of the encroaching foreign entity with the surgical lighthead. The controllers are configured to control the encroachment indicators based on the sensed proximity of the foreign entity to the surgical lighthead and the sensed contact of the foreign entity with the surgical lighthead.

Abstract: A system and method for verifying the accurate insertion positioning of a robotically guided surgical tool or probe, at its cranial target region, such as for Deep Brain Stimulation. A head mounted robot aligns a probe or tool guiding sleeve, together with an aiming rod attached at a predefined position and angle to the guiding sleeve. The aiming rod incorporates apertures through which an X-ray system can view the patient's skull. The aiming rod is attached to the tool guiding sleeve at an angle and position calculated such that the line of sight through the apertures falls exactly on the target region when the tool or probe is inserted to its predetermined depth. If the tip of the tool or probe is seen located at the center of the apertures in the X-ray image, verification is obtained that the insertion procedure has been performed accurately.

Abstract: A shaped lead introducer being elastically deflectable and having a pre-set shape end portion and forming a pre-set angle for implanting leads into an epidural space of a patient.

Abstract: An embodiment of a sensor device includes a base substrate, a circuit pattern formed overlying the interior surface of the substrate, a physiological characteristic sensor element on the exterior surface of the substrate, conductive plug elements located in vias formed through the substrate, each conductive plug element having one end coupled to a sensor electrode, and having another end coupled to the circuit pattern, a multilayer component stack carried on the substrate and connected to the circuit pattern, the stack including features and components to provide processing and wireless communication functionality for sensor data obtained in association with operation of the sensor device, and an enclosure structure coupled to the substrate to enclose the interior surface of the substrate, the circuit pattern, and the stack.

Abstract: A microprotrusion device (1A) according to the present invention includes a needle-like and hollow first protrusion portion (3) that is formed so as to protrude from one surface (2a) of a substrate sheet (2) and a hollow second protrusion portion (4) that is formed so as to protrude from a vicinity of the first protrusion portion (3) on the one surface (2a) of the substrate sheet (2) and has a protrusion height lower than that of the first protrusion portion (3). The first protrusion portion (3) has an opening at its tip end portion, and a hollow portion (30) of the first protrusion portion (3) is in communication with the outside via the opening portion (31). The opening portion (31) is formed at the tip end of the first protrusion portion (3).

Abstract: In some examples, a sensor holder device is described. The sensor holder device may include a rigid body, a set legs attached to the rigid body, a sensor guiding structure, a sensor retaining structure, and an electrical trace. The sensor retaining structure may be sized to accommodate a sensor wire. The electrical trace may extend proximate the sensor retaining structure and along one of the legs.

Abstract: A sewing needle having a needle tip configured to pass through a sewing material and a first needle portion that follows the needle tip. A second needle portion is removably connected to the first needle portion and includes an end that is inserted into an elongate hollow receiver located on the first needle portion. The second needle portion follows the needle tip through said sewing material substantially simultaneously with the first needle portion. A first thread connection formed on the first needle portion is configured to carry a first portion of said thread through the sewing material and a second thread connection formed on the second needle portion is configured to carry a second portion of said thread through the sewing material. After passing through the sewing material, the first and second needle portions are separated, brought around outside edges of the sewing material and reconnected for subsequent stitching.

Abstract: There is provided a piercing needle-equipped cannula that has a pre-attached piercing needle, and no deformation of the slit portion due to the piercing needle is left after the piercing needle is pulled out. A piercing needle-equipped cannula (100) includes: a cannula (10) pierced in an eyeball and used in ophthalmic operations; a resin cap (13) having a slit (13a) opened in the cannula (10); and a piercing needle (15) attached to the cannula (10). The piercing needle (15) includes a needle main body (15c) on a front end side, a base (15d) on a base end side, and a slit piercing part (15s) piercing the slit (13a) in a state where the needle main body (15c) and the base (15d) are connected, and the cross-sectional area of the slit piercing part (15s) is smaller than that of the thickest part of the needle main body (15c).

Abstract: The present disclosure relates to an image processing device, an image processing method, and a surgical system that enable detection of a region including a specific living body site in an intraoperative image on the basis of a frequency of a motion vector of a living body in the intraoperative image. A motion detection unit detects the motion vector of the living body in the intraoperative image using the intraoperative images at different times. The analysis unit obtains the frequency of the motion vector detected by the motion detection unit. A frequency map generation unit detects the region including the specific living body site in the intraoperative image on the basis of the frequency obtained by the analysis unit. The present disclosure is applicable to, for example, a CCU and the like of an endoscopic surgical system.

Abstract: A closure system configured to facilitate hemostasis at a puncture of a vessel includes a delivery sheath that extends longitudinally from a proximal end to a distal end. The delivery sheath defines a lumen extending therethrough. The delivery sheath lumen is configured to receive a first guidewire therethrough. The system also includes an introducer needle coupled to the delivery sheath at an offset relative to the delivery sheath. The introducer needle defines a lumen extending therethrough. The introducer needle lumen is configured to receive a second guidewire therethrough.

Abstract: Disclosed herein are multiple cannulas defining a lumen sized and dimensioned to receive one or more medical instruments, an inflatable outer membrane attached to an outer surface of the cannula, and at least one activator that reversibly activates the cannulas to push a fluid contained in the cannulas into the outer membrane to fill or pressurize the outer membrane. Also disclosed are methods for operating these cannulas.

Abstract: An intramedullary pin includes a main body having a proximal boundary and a distal boundary; a curved extension having a degree of curvature of at least 1°, the curved extension being in direct contact with the distal boundary; a distal cap having a cylindrical portion and a rounded portion, the cylindrical portion being in direct contact with the curved extension; a grip element having at least one contour, the grip element being in direct contact with the proximal boundary; and a proximal cap having a flat surface, the proximal cap being in direct contact with the grip element. Also disclosed is a clamp that includes a handle, two blades, a pivot, and a plurality of grasping elements including a notch, at least one protrusion, and a groove, where one or more grasping elements have a contour that is structurally complementary to the grip element in the intramedullary pin. A method of immobilizing a bone fracture using the intramedullary pin and/or clamp is also disclosed.

Abstract: A capsular retractor includes an elongated shaft, a hook portion extending from a distal end portion of the elongated shaft, a handle portion extending from a proximal end portion of the elongated shaft, and first and second grasping segments formed with or attached to the handle portion. The grasping segments are configured to be selectively grasped for manipulating the ophthalmic surgical instrument regardless of the rotational orientation of the handle portion.

Abstract: A trocar assembly includes a trocar housing that defines a working chamber, and a cannula having a proximal end and a distal end, wherein the cannula is coupled to the trocar housing at the proximal end to facilitate communication between the cannula and the working chamber. A radial support assembly is arranged at or near the distal end and includes a plurality of radial support members that extend radially inward toward a centerline of the cannula to center a surgical tool within the cannula and thereby minimize unintended oscillation and vibration of the surgical tool.

Abstract: A closure system configured to facilitate hemostasis at a puncture of a vessel includes a delivery sheath that extends longitudinally from a delivery sheath proximal end to a delivery sheath distal end. The delivery sheath defines a delivery sheath lumen extending therethrough and configured to receive a first guidewire therethrough. The system also includes an introducer needle configured to selectively couple to the delivery sheath for movement relative to the delivery sheath. The introducer needle is configured to form a secondary access site in the vessel at an offset from the puncture after the delivery sheath distal end is advanced through the puncture. The system further includes a stylet configured to be received through the delivery sheath lumen adjacent to the first guidewire. The stylet includes a stylet magnet configured to magnetically couple to a guidewire magnet of a second guidewire advanced through the secondary access site.

Abstract: In general, devices, systems, and methods for relocating tissue during surgeries are provided. In one embodiment, a surgical apparatus is provided that includes a needle, a hook movably disposed in the needle, an actuator, and a slidable member. The needle can be percutaneously advanced through skin of a patient. The actuator can move the hook between two orientations, one being disposed entirely within the needle and another extending from the needle. The slidable member can slide along the needle and abut an exterior surface of the skin of the patient through which the needle is advanced. In use, the hook can engage tissue within the body of the patient when the hook extends from the needle. The surgical apparatus can then move the engaged tissue within the body of the patient, and the engaged tissue can be locked in position relative to the skin.

Abstract: An examination device for use with a mobile device comprises a housing removably coupled to the mobile device. The housing may be coupled to the mobile device by a rear surface, opposing side surfaces, a top surface, and a retention lip that extends over the front of the mobile device. A retention structure may be mechanically coupled to the housing and may also define a rectangular slot. A tongue depressor may be retained by the retention structure and may also extend away from the rectangular slot. A cutaway may be defined by a wall of the housing. The cutaway may be positioned on the housing to expose a camera of the mobile device facing towards the end of the tongue depressor. The examination device is configured to manipulate an oral feature of a mouth while the camera of the mobile device captures an image of the mouth.

Abstract: A pedicle access system including a cannula, a stylet, and a removable T-handle. The pedicle access system may be used to percutaneously approach the pedicle, initiate pilot hole formation, and conduct a stimulation signal to the target site for the purposes of performing a pedicle integrity assessment during the pilot hole formation. To do this, the cannula and stylet are locked in combination and inserted through an operating corridor to the pedicle target site, using the T-handle to facilitate easy movement and positioning of the cannula/stylet combination. A stimulation signal may be applied during pilot hole formation to conduct the pedicle integrity assessment. In a significant aspect, the T-handle may be detached from the cannula/stylet combination to facilitate the use of various surgical tools as necessary.

Abstract: Intraocular stents and applicators are disclosed for treating glaucoma. The stents are configured to extend between the anterior chamber of the eye and Schlemm's canal for enhancing outflow of aqueous from the anterior chamber so as to reduce intraocular pressure. The stents can have features for anchoring the stent into Schlemm's canal as well as preventing the walls of Schlemm's canal from closing the outlet of the stents. The applicators can be steerable so as to make implantation easier. Additionally, the applicators can be configured to hold a plurality of stents so that multiple stents can be implanted through one incision without removing the applicator from the incision between serial implantations.

Abstract: A surgical access port or trocar is provided. The trocar has a trocar seal housing and a trocar cannula with an optical obturator insertable through the trocar seal housing and the trocar cannula. The trocar is configured to access a body cavity, to maintain positive pressure and to prevent loss of surgical insufflation gas used in laparoscopic procedures. The trocar seal housing can be releasably attached to the trocar cannula. The trocar seal housing may also have a shield and/or alignment channel that provide protection or assist in operation of instrument and zero seals housed in the trocar seal housing.

Abstract: A medical instrument guiding device (outer tube) to be tapped into a body wall includes: an endoscope insertion hole for inserting the endoscope; a treatment tool insertion hole for inserting the treatment tool; and an interlocking mechanism for moving the endoscope back and forth in interlock with the back-and-forth movement of the treatment tool. The interlocking mechanism includes an endoscope-side roller contacts with an endoscope insertion part and moves in interlock with the endoscope insertion part, and a treatment tool-side roller which contacts with a treatment tool insertion part and moves in interlock with the treatment tool insertion part, and those rollers rotates in interlock with each other. In response to the movement of the treatment tool insertion part, the treatment tool-side roller and the endoscope-side roller rotate in an opposite direction to move the endoscope insertion part.

Abstract: A system for accessing arterial vasculature from a venous insertion site includes a first elongate tubular member, a second elongate tubular member configured to be disposed within a lumen of the first elongate tubular member, an elongate crossing member including a distal tip comprising a frusto-conical outer surface, and configured to be disposed within a first lumen of the second elongate tubular member, and a stylet configured to be disposed within a lumen of the elongate crossing member, wherein placement of the second elongate tubular member, elongate crossing member, and stylet together through the lumen of the first elongate tubular member does not substantially straighten a curved distal portion of the first elongate tubular member, and wherein the elongate crossing member and stylet are removable from the first lumen of the second elongate tubular member when it is within the lumen of the first elongate tubular member with at least its distal end extending out of the first elongate tubular member.