Abstract: An access channel for access to a body cavity through a natural orifice including: a variable length unobstructed channel including: a rigid cannula having a distal opening configured to fit through an incision in a wall of the orifice; a rigid tubular extension for the cannula; a distal opening of the extension fitting to a proximal opening of the cannula and joining a lumen of the cannula to a lumen of the extension to form the variable length channel between the distal opening of the cannula and a proximal opening of the extension; the extension sliding longitudinally with respect to the cannula to extend and contract a length of the variable length channel by at least 25% of a maximal length of the channel; wherein a cross section of the channel has a long dimension at least twice a short dimension of the cross section.

Abstract: A surgical system comprising: at least two modular units, the modular units each comprising: a surgical arm; and a motor unit configured for actuating movement of the surgical arm, the motor unit configured to be operably attached to the surgical arm, where a first face of a motor unit housing generally defines a plane which is at an angle of 60-120° to a long axis of the surgical arm; wherein the motor unit is configured to be aligned adjacent a motor unit of at least one second modular unit; wherein a second face of a housing of the motor unit generally defines a plane which is at an angle to the first face and which comprises a connection geometry suitable for connecting the housing of the motor unit to a housing of the motor unit of the second modular unit.

Abstract: A device sized and shaped for insertion into a body comprising: at least one mechanical limb comprising: a support segment; a first flexible section extending from the support segment and terminating in a coupling section; and a second flexible section extending from the coupling section and terminating in a tool or an connector for a tool; wherein one or more of the flexible sections is bendable by at least 120°; wherein a long axis length of the first flexible section is at least double a maximum extent of the first flexible section perpendicular to a flexible section long axis; wherein a long axis length of the second flexible section is at least double a maximum extent of the second flexible section perpendicular to a flexible section long axis.

Abstract: A method of constructing a system comprising one or more surgical arms, comprising: providing: a plurality of modular units, each modular unit comprising at least one surgical arm attached to at least one motor unit configured for actuating movement of the surgical arm; coupling one or more modular units to each other in an attachment configuration; displaying on a user interface one or both of an indication of the attachment configuration and a selection of an attachment configuration.

Abstract: A method of initializing the layout of one or more robotic arms controllable by an input object, comprising: entering a paused mode, in which control of movement of the robotic arms by the input object is paused; measuring an input object initialization layout, defined by the layout of at least one segment of the input object; actuating at least a portion of the robotic arms to match the input object initialization layout; and entering a controlled mode, in which movements of the input object control the robotic arms.

Abstract: Some embodiments of the invention relate to a mechanism for actuating a shaft having two degrees of freedom, comprising: a first actuator configured to rotate the shaft around the shaft axis, and a second actuator configured to bend the shaft using one or more elongated elements attached to the shaft, wherein actuation of the first actuator indirectly manipulates the elongated elements controlled by the second actuator, thereby affecting operation of the second actuator. Some embodiments relate to motorized actuation of a system comprising at least one surgical arm.

Abstract: A surgical system comprising: at least two modular units, the modular units each comprising: a surgical arm; and a motor unit configured for actuating movement of the surgical arm, the motor unit configured to be operably attached to the surgical arm, where a first face of a motor unit housing generally defines a plane which is at an angle of 60-120° to a long axis of the surgical arm; wherein the motor unit is configured to be aligned adjacent a motor unit of at least one second modular unit; wherein a second face of a housing of the motor unit generally defines a plane which is at an angle to the first face and which comprises a connection geometry suitable for connecting the housing of the motor unit to a housing of the motor unit of the second modular unit.

Abstract: A surgical system for control of a surgical mechanical arm, which system comprises: at least one input arm comprising: a plurality of sections; a plurality of joints sequentially coupling said plurality of sections; at least one sensor configured to measure movement of one or more of said sections; and a weight attached to one of said plurality of sections which biases said one of said plurality of sections to a null configuration, by movement under gravity of said one of said plurality of sections about one or more of said joints; and circuitry configured to receive a measurement signal from said at least one sensor and to generate a control signal, based on said measurement signal for control of movement of said surgical mechanical arm.

Abstract: The process for obtaining M1BH4, the process comprising contacting M1-B02 with a metal M2 in the presence of molecular hydrogen (H2) under conditions permitting the formation of M1-BH4 and M2-oxide, wherein the M1 is a metal selected from column I of the periodic table of elements or alloys of metals selected from column I of the periodic table of elements and M2 is a metal or an alloy of metals selected from column II of the periodic table of elements, provided that M2 is not Mg and M1 is different from M2.

Abstract: Some embodiments of the invention relate to a mechanism for actuating a shaft having two degrees of freedom, comprising: a first actuator configured to rotate the shaft around the shaft axis, and a second actuator configured to bend the shaft using one or more elongated elements attached to the shaft, wherein actuation of the first actuator indirectly manipulates the elongated elements controlled by the second actuator, thereby affecting operation of the second actuator. Some embodiments relate to motorized actuation of a system comprising at least one surgical arm.

Abstract: A method of initializing the layout of one or more robotic arms controllable by an input object, comprising: entering a paused mode, in which control of movement of the robotic arms by the input object is paused; measuring an input object initialization layout, defined by the layout of at least one segment of the input object; actuating at least a portion of the robotic arms to match the input object initialization layout; and entering a controlled mode, in which movements of the input object control the robotic arms.

Abstract: A surgical system for control of a surgical mechanical arm, which system comprises: at least one input arm comprising: a plurality of sections; a plurality of joints sequentially coupling said plurality of sections; at least one sensor configured to measure movement of one or more of said sections; and a weight attached to one of said plurality of sections which biases said one of said plurality of sections to a null configuration, by movement under gravity of said one of said plurality of sections about one or more of said joints; and circuitry configured to receive a measurement signal from said at least one sensor and to generate a control signal, based on said measurement signal for control of movement of said surgical mechanical arm.

Abstract: A folded surgical drape, including: a tubular axially collected sheath having a distal end and a proximal end and a lumen between said distal end and said proximal end, wherein the axially collected sheath comprising at least one distal opening axially collected into said lumen and, wherein the axially collected sheath is axially folded to form at least one valley fold surrounding the distal opening sized and shaped for insertion of the user's hands on both sides of the distal opening.

Abstract: An access port for sealing an opening of a natural orifice and supplying access to a body cavity through the natural orifice including: a sealing unit; an unobstructed single lumen cannula extending to the body cavity; a connector connecting the cannula to the sealing unit; an access opening through the sealing unit to the single lumen; a cap including a plurality of cap openings configured to seal between medical instruments inserted into the openings and the access opening.

Abstract: Trocar components and methods of use are described, wherein the trocar components are configured to provide access to intraperitoneal space via the rectouterine pouch to surgical tools, which optionally include one or more surgical robot members. The surgical tools are optionally 5 mm or more in diameter. In some embodiments, a cannula part has a lumen sized to provide to a plurality of the surgical tools simultaneous transvaginal access to the intraperitoneal space via the rectouterine pouch. In some embodiments, an incision sized to receive a distal aperture of the cannula is created, optionally using one or two dilators. The dilators are sized to create (optionally starting from a puncture by a needle 2 mm in diameter or less) an oblong aperture. In some embodiments, the oblong aperture is at least twice as wide across a long diameter as across a short diameter.

Abstract: An access channel for access to a body cavity through a natural orifice including: a variable length unobstructed channel including: a rigid cannula having a distal opening configured to fit through an incision in a wall of the orifice; a rigid tubular extension for the cannula; a distal opening of the extension fitting to a proximal opening of the cannula and joining a lumen of the cannula to a lumen of the extension to form the variable length channel between the distal opening of the cannula and a proximal opening of the extension; the extension sliding longitudinally with respect to the cannula to extend and contract a length of the variable length channel by at least 25% of a maximal length of the channel; wherein a cross section of the channel has a long dimension at least twice a short dimension of the cross section.

Abstract: Trocar components and methods of use are described, wherein the trocar components are configured to provide access to intraperitoneal space via the rectouterine pouch to surgical tools, which optionally include one or more surgical robot members. The surgical tools are optionally 5 mm or more in diameter. In some embodiments, a cannula part has a lumen sized to provide to a plurality of the surgical tools simultaneous transvaginal access to the intraperitoneal space via the rectouterine pouch. In some embodiments, an incision sized to receive a distal aperture of the cannula is created, optionally using one or two dilators. The dilators are sized to create (optionally starting from a puncture by a needle 2 mm in diameter or less) an oblong aperture. In some embodiments, the oblong aperture is at least twice as wide across a long diameter as across a short diameter.

Abstract: A method of jointed device movement inside a body comprising: measuring movement of at least one input object portion; mapping the measured input object portion movement to a jointed device portion movement; and moving the device portion according to mapped measured movements.

Abstract: The process for obtaining M1-BH4, the process comprising contacting M1-BO2 with a metal M2 in the presence of molecular hydrogen (H2) under conditions permitting the formation of M1-BH4 and M2-oxide, wherein the M1 is a metal selected from column I of the periodic table of elements or alloys of metals selected from column I of the periodic table of elements and M2 is a metal or an alloy of metals selected from column II of the periodic table of elements, provided that M2 is not Mg and M1 is different from M2.

Abstract: The process for obtaining M1BH4, the process comprising contacting M1-B02 with a metal M2 in the presence of molecular hydrogen (H2) under conditions permitting the formation of M1-BH4 and M2-oxide, wherein the M1 is a metal selected from column I of the periodic table of elements or alloys of metals selected from column I of the periodic table of elements and M2 is a metal or an alloy of metals selected from column II of the periodic table of elements, provided that M2 is not Mg and M1 is different from M2.