| Patent application number | Description | Published |
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| 20090326466 | SURGICAL PORTAL ASSEMBLY - A surgical portal assembly includes a portal member adapted for positioning within tissue. The portal member defines a central longitudinal axis and has a longitudinal passageway for permitting passage of a surgical object. In addition, the portal member includes a seal mount. A seal member is mounted within the seal mount of the portal member. Further, the seal member has inner surface portions defining a passage for receiving the surgical object. Aside from the seal member, the surgical portal assembly contains a plurality of seal magnets mounted to the seal member. The seal magnets are arranged with respect to the passage of the seal member whereby respective poles of the seal magnets generate an attractive force to draw the inner surface portions of the seal member about the surgical object to facilitate establishing a substantial sealing relation therewith. | 12-31-2009 |
| 20090326469 | SURGICAL ACCESS INSTRUMENT INCLUDING A VALVE WITH DYNAMIC FLUID - A surgical access instrument for use during the course of a minimally invasive surgical procedure, includes an access member defining a longitudinal axis and having a longitudinal opening for reception and passage of a surgical object, a valve membrane mounted to the access member defining at least one internal cavity and permitting passage of the surgical object and a dynamic fluid disposed within the internal cavity. The dynamic fluid is adapted to transition from a first state to a second state upon exposure thereof to a stimulus to assist in stabilizing the surgical object relative to the access member. In its first state, the fluid defines a first set of physical attributes, including but not being limited to viscosity and density, that allow for the displacement of the fluid, whereas in the second state, the fluid defines a second, dissimilar set of physical attributes, e.g., a greater viscosity and a greater density, that substantially limit displacement of the fluid. | 12-31-2009 |
| 20100004600 | SURGICAL PORTAL APPARATUS WITH CENTERING MECHANISM - A surgical portal apparatus is provided. The surgical portal apparatus includes a portal member defining a longitudinal axis and having a longitudinal opening therethrough for receiving a surgical object, a seal member positioned along the longitudinal opening for receiving a surgical object in a sealing manner, and a centering mechanism maintained within the portal member, wherein the centering mechanism including a pair of rollers arranged in general diametrical opposed relation, the rollers movable relative to the longitudinal axis from a radial inward position to a radial outward position to permit passage of the surgical object, the rollers being biased toward the radial inward direction to correspondingly bias the surgical object in general alignment with the longitudinal axis. | 01-07-2010 |
| 20100016797 | CONSTRICTING MECHANISM FOR USE WITH A SURGICAL ACCESS ASSEMBLY - The present disclosure relates to a surgical access member for establishing percutaneous access to a surgical worksite within tissue. The surgical access member includes a constricting mechanism that is adapted to removably receive a surgical instrument and resiliently transition between an open state and a constricted state. In the open state, insertion of the surgical instrument through the constricting mechanism is substantially uninhibited. In the constricted state, the constricting mechanism substantially limits transverse movement of the surgical instrument, and may facilitate the creation of a substantially fluid-tight seal therewith. | 01-21-2010 |
| 20100016800 | PISTON SEAL FOR SINGLE INCISION SURGERY - A surgical portal apparatus for use during a minimally invasive procedure includes a housing and a portal member extending distally from the housing. The housing and portal member combination defines a longitudinal axis. The portal member is sized to be positioned within tissue and has an opening at the distal end. The apparatus also has a pliable seal and a plurality of concentrically arranged piston members, disposed within the housing. The pistons are engageable with the pliable seal and are adapted for moving relative to the housing to control the diameter of a passage through the inner portion of the seal in response to the insertion of a surgical object. | 01-21-2010 |
| 20100094228 | TROCAR ASSEMBLY - A surgical system comprising a cannula assembly and an obturator assembly for penetrating tissue is disclosed. A cover of the cannula assembly is mounted to a cannula housing and has a cover aperture therethrough. The cover has a trailing end face defining a predetermined geometrical configuration, at least a portion of the trailing end face is obliquely arranged relative to a longitudinal axis and terminates in, and leads toward the cover aperture to facilitate guiding of the surgical object through the cover aperture. The obturator assembly includes an obturator housing and an obturator member. The obturator housing has a housing base defining a leading end face, which defines a predetermined geometrical configuration corresponding to the predetermined geometrical configuration of the trailing end face of the cover to mate therewith upon assembly of the obturator assembly with the cannula assembly. | 04-15-2010 |
| 20100249695 | INTEGRAL INSUFFLATION VALVE - A trocar assembly that comprises a trocar valve body defining a cavity, the valve body for communicating insufflation fluid therethrough. The assembly also comprises a selectively rotatable valve handle for controlling a flow of said insufflation fluid through the valve body. The rotatable valve handle is elongated and has a first end and a second end. The first end is sized and configured to be rotatably maintained within the cavity and the second end extends outwardly so as to be actuatable by a user. The rotatable valve handle defines a bore therethrough which extends longitudinally from the first end to the second end. The valve body defines an outlet that communicates with the cavity. The rotatable valve handle is rotatable from an open position, in which the bore of the valve is at least partially aligned with the outlet so as permit fluid to pass through the bore, and a closed position, in which the bore of the valve is not aligned with the outlet so as prevent fluid to pass through the bore. | 09-30-2010 |
| 20100261969 | VIBRATING SEAL FOR A SURGICAL TROCAR APPARATUS - A surgical access apparatus for use during a surgical procedure for passing through tissue to an underlying surgical area is provided. The surgical access apparatus includes a vibration source connected to a seal member located in an internal passage of an access member. The seal is configured to form a substantial sealing relation with an inserted surgical instrument and substantially close in the absence of the surgical instrument. The vibration source causes the seal to vibrate, in order to decrease the force needed to insert the surgical instrument. The source of vibration may be one of the following: a rotating eccentric mass, mass moving in a linear path, exciting a piezoelectric, a crystal, or an electro active polymer capable of expanding or contracting. | 10-14-2010 |
| 20110021876 | CONSTRICTING MECHANISM FOR USE WITH A SURGICAL ACCESS ASSEMBLY - The present disclosure relates to a surgical access member for establishing percutaneous access to a surgical worksite within tissue. The surgical access member includes a constricting mechanism that is adapted to removably receive a surgical instrument and resiliently transition between an open state and a constricted state. In the open state, insertion of the surgical instrument through the constricting mechanism is substantially uninhibited. In the constricted state, the constricting mechanism substantially limits transverse movement of the surgical instrument, and may facilitate the creation of a substantially fluid-tight seal therewith. | 01-27-2011 |
| 20110152776 | SURGICAL INSTRUMENT CLEANING ARRANGEMENT - The instrument cleaning apparatus of the present disclosure facilitates the cleaning of a scope inserted through a sealed portal during a surgical procedure by providing a cleaning solution within the operating cavity so that the surgical instrument doesn't have to be removed therefrom. In an embodiment, a surgical access device is provided with a housing, a sleeve extending distally from the housing, and a conduit disposed in mechanical cooperation with the sleeve. The sleeve defines a longitudinal axis and is dimensioned for passage through a tissue tract. The sleeve also defines a longitudinal bore for reception and passage of a surgical instrument. The conduit has a first portion configured to receive a fluid and a second portion configured to discharge the fluid. In another embodiment, an instrument cleaning apparatus includes a base portion and a fluid retention portion. The base portion includes a substantially tubular wall having a proximal end and a distal end and a longitudinal passageway extending therethrough. The fluid retention portion is in mechanical cooperation with the base portion and is adapted to retain a cleaning fluid therein. | 06-23-2011 |
