Patent application number | Description | Published |
20080228213 | Variable size trocar - A trocar includes a guide tube axially movable within a securing member. The securing member has an annular member having an inside circumference which is complementary with the outside circumference of the guide tube so that the guide tube is axially movable within the annular member. | 09-18-2008 |
20090139531 | Integral fluid regulator for endoscopic vessel dissection/harvesting device - A device for dissecting and/or harvesting a vessel includes an integrally adjustable insufflation device to supply an insufflation fluid to a subcutaneous area within a patient. The integrally adjustable insufflation device includes one or more one fluid control mechanisms to regulate the pressure rate and/or flow rate of the insufflation fluid being supplied to the subcutaneous area from within a sterile field surrounding the subcutaneous area. | 06-04-2009 |
20090306699 | Blunt Dissector for Separating Blood Vessels from Surrounding Tissue - A blunt dissector for separating a blood vessel from surrounding tissues in a body comprises a longitudinal rod having a proximal end, a distal end, and an internal passage for conducting insufflation gas between the proximal and distal ends. An interior sleeve is mounted within the longitudinal rod for receiving an endoscope at the proximal end. A transparent tip is mounted to the distal end of the longitudinal rod. A handle is mounted to the proximal end of the longitudinal rod. The longitudinal rod has an outer surface along substantially all of the longitudinal rod between the proximal and distal ends consisting essentially of a fluoropolymer. | 12-10-2009 |
20100292532 | Endoscopic Vessel Dissector With Side Entry - A blunt dissector for endoscopic vein harvesting has a generally-cylindrical sheath for retaining an elongated endoscope. The sheath is elongated between a distal end and a proximal end. A transparent tip is disposed at the distal end of the sheath. A handle is disposed at the proximal end of the sheath. The sheath includes a selectably closable longitudinal slot having an opened configuration such that the endoscope can be inserted radially into the sheath. The longitudinal slot has a closed configuration that retains the endoscope within the sheath and presents a substantially smooth outer surface for use during dissection. | 11-18-2010 |
20100292533 | Endoscopic Cutter with Reconfigurable Guides - A bipolar cutter has a cutter main body for inserting into the interior of a body and a treating electrode that is positioned against an object of examination (such as a blood vessel or a bleeding site) to be electrically cut and cauterized. A guiding member guides the object of examination toward the treating electrode as it is displaced in the axial direction of the cutter main body. The guiding member is comprised of a pair of protruding members and a notched groove or gap that leads to the treating electrode while in a first configuration. A gap adjusting mechanism causes the guiding member or the treating electrode to be displaced in the axial direction to reduce or eliminate the length of the gap so that the treating electrode can better reach flat tissue surfaces for treatment. | 11-18-2010 |
20120035606 | Body Tissue Incision Apparatus - The body tissue harvesting instrument is provided with a cutter which is disposed at the distal end of an insertion member that is inserted into the body to sever tissue inside the body. The cutter includes a slit that extends from the distal end toward the base end; a first high-frequency electrode disposed along the two side edges of the slit on the outer surface of the cutter body and a second high-frequency electrode disposed at the base end of the slit; and a mechanism which is disposed on both sides of the distal end of the slit in the projection of the cutter body which rotates as a result of being pressed by the tissue, and which feeds the tissue toward the interior of the slit. Parts located on both sides of the distal end of the slit in the projection may mutually separate in the thickness direction. | 02-09-2012 |
20130060249 | SURGICAL TREATMENT DEVICE - A surgical treatment device which is used together with an endoscope, includes a sheath, a treatment portion which is arranged at the distal end portion of the sheath and includes first to third electrodes configured to treat a living tissue by using electrical energy, an operation portion which is arranged at a proximal end portion of the sheath and which is configured to operate the treatment portion, and a switching portion which is configured to switch between a first mode in which a treatment is given by using the first electrode and at least one of the second and third electrodes in the treatment portion and a second mode in which a treatment is given by using the second and third electrodes. | 03-07-2013 |
20130211433 | Endoscopic Vessel Dissector With Side Entry - A blunt dissector for endoscopic vein harvesting has a generally-cylindrical sheath for retaining an elongated endoscope. The sheath is elongated between a distal end and a proximal end. A transparent tip is disposed at the distal end of the sheath. | 08-15-2013 |
20130281780 | Insufflation Damper for Endoscopic Vessel Dissector/Harvester - A vessel harvesting apparatus is provided for removing a vessel from a patient. An endoscopic instrument has a distal end with a vessel harvesting tip and has a proximal end with a handle. The endoscopic instrument has an insufflation channel adapted to receive an insufflation gas from a regulated source at the proximal end. The insufflation channel has an outlet at the distal end adapted to expel the insufflation gas subcutaneously in the patient. A damping device has a flexible bladder with an inside space in fluid communication with the insufflation channel. The inside space has a volume that varies between a rest volume and an inflated volume in response to an amount of insufflation gas flowing to or from the flexible bladder. | 10-24-2013 |
20140296622 | Blood Vessel Marking System - Apparatus for marking a blood vessel for use as a bypass graft in a patient includes a preparation plate for supporting an isolated blood vessel that is in a state for anastomosing to the patient. A stencil plate is configured for overlying the blood vessel and preparation plate, wherein the stencil plate has an opening adapted to expose a portion of the blood vessel to a dye applied through the opening. The stencil plate around the opening is adapted to shield the blood vessel from the dye. A dye applicator is configured to direct a metered amount of the dye through the opening and onto the exposed portion of the blood vessel, preferably as a mist. Preferably, the opening is a lineal slot for creating a guide line extending longitudinally along an outer wall of the blood vessel. | 10-02-2014 |
Patent application number | Description | Published |
20080208191 | Unitary blood vessel dissector and harvester device - A unitary dissector/harvester device for dissecting and harvesting a vessel has an elongated dissector tool for insertion into a body having the vessel to be harvested and a harvester tool axially positioned within the dissector tool. | 08-28-2008 |
20080208192 | Ring vessel dissector/harvester device - A ring dissector/harvester device for dissecting and harvesting a vessel has a capture tool that is co-axially positioned around the vessel to at least temporarily hold the vessel. A sealing tool is coaxially positioned within the capture tool and is axially movable with respect to the capture tool. The sealing tool and the capture tool are engaged to cauterize a branch from the vessel and to seal the cauterized branch and vessel. | 08-28-2008 |
20080208227 | Self-contained dissector/harvester device - A self-contained device for dissecting and/or harvesting a vessel includes a self-contained light source and a self-contained imaging system positioned within the sheath. | 08-28-2008 |
20080228207 | Semi-automatic power assist for endoscopic vein dissector - An endoscopic vein dissector for removing a vein from a living body comprises a dissector tip adapted to penetrate between the vein and surrounding tissue. A handle is provided for manipulation by a device operator to guide the tip through an incision in the living body to the vicinity of the vein. A longitudinal rod is mounted between the dissector tip and handle such that the tip is movable with respect to the handle between a retracted position and an extended position. A driver applies motive power to move the dissector tip from the retracted position to the extended position. A control element is adapted to be activated by the device operator to assist in the desired penetration between the vein and the surrounding tissue. | 09-18-2008 |
20080255407 | Bi-directional system for dissecting and harvesting vessels - A method and apparatus for bi-directionally dissecting and harvesting a vessel includes a dissector device that is at least temporarily secured to a harvester device. | 10-16-2008 |
20080255589 | Multi-function clipping and harvesting device - A multi-function minimally invasive vessel clipping and harvesting device includes at least two clipping devices positioned to advance surgical clips onto a tissue, and a severing device positioned to sever the tissue between the clips. | 10-16-2008 |
20090112053 | Blood Vessel Preparation and Preservation Kit - A vessel preparation and preservation kit supports a blood vessel during processing for use in bypass graft surgery. The device comprises a clamshell base having first and second trays latchable in a closed condition and pivotable to an open condition. The first tray has a series of open slots on an interior surface, wherein each slot extends substantially transverse to the longitudinal axis of the clamshell base. A first fixture has a first plate positionable in any selected one of the slots, a first fitting for holding a first end of the blood vessel, and a fluid supply needle for inserting into the first end of the blood vessel. A second fixture has a second plate positionable in any selected one of the slots a predetermined distance from the first fixture and having a second fitting for holding a second end of the blood vessel. A liquid-retaining foam is mounted in the second tray to immerse the prepared blood vessel in liquid to preserve it by putting the trays in the closed condition. | 04-30-2009 |
20110230711 | Endoscopic Surgical Instrument - An endoscopic surgical instrument includes a wiping section that is provided at a tip part of a insertion section and is pivoted to wipe off extraneous matter adhering to an observation surface provided at a tip part of an endoscope inserted through a grip section and the insertion section, an axial member that is inserted through the insertion section and is connected to the wiping section and an operation section that is provided over a whole circumference of a top end of the grip section in a circumferential direction in a longitudinal direction of the grip section, is connected to the axial member, and operates the wiping section through the axial member. A center axis of operation section is coaxial to an axis of endoscope when the endoscope inserted through the grip section and the insertion section. | 09-22-2011 |
20110230881 | Endoscopic Surgical Instrument - An endoscopic surgical instrument includes an insertion section which is inserted into a body cavity, and a surgical section which is disposed on a tip of the insertion section and treats an object. The surgical section includes a body section, and a first electrode, a second electrode, and a third electrode which are disposed on the body section. The surgical section coagulates and cuts the object by using a combination of not less than two of the first electrode, the second electrode, and the third electrode. | 09-22-2011 |
20130211197 | Endoscopic Surgical Instrument - An endoscopic surgical instrument includes a wiping section that is provided at a tip part of an insertion section and is pivoted to wipe off extraneous matter adhering to an observation surface provided at a tip part of a lens the endoscope through a grip section and the insertion section. An axial member is inserted through the insertion section and is connected to the wiping section. An operation section is provided over a whole circumference of a tip end of the grip section in a longitudinal direction of the grip section, is connected to the axial member, and operates the wiping section through the axial member. A center axis of the operation section is coaxial to a center axis of an endoscope when the endoscope is inserted through the grip section and the insertion section. | 08-15-2013 |