Abstract: A surgical instrument has a hollow tubular member, and a pressurization unit that has an outer valve portion, a pressurization device having a movable part configured to generate pressurized fluid when the movable part is moved, and an inner valve portion. The inner valve portion includes a first flow passage that is configured to fluidically connect a first port and a second port of the outer valve portion to each other when the inner valve portion is in a first position, and a second flow passage that is configured between the inner valve portion and the outer valve portion to fluidically connect the first port and a third port when the inner valve portion is in a second position. A sealing system fluidically isolates the second port and the third port from each other at any position of the inner valve portion.

Abstract: A device comprising: a handpiece having one or more attachment ports; a tubeset having one or more attachment features for connecting the tubeset to the one or more attachment ports in the handpiece; a removable tip having an attachment arm for attaching to the one or more attachment ports in the handpiece; wherein the device comprises one or more of the following: the handpiece includes an attachment port that attaches the handpiece to an active lead and a return lead and the device is adapted to use only the active lead or both leads so that the device can switch between bi-polar energy and mono-polar energy; the tubeset has one or more fluid conduits that are in fluid communication with the removable tip, wherein the removable tip is located at a distal end of the device; and the handpiece connects to one or more electrical input lines; the tubeset connects to one or more fluid lines, and the removable tip is free of direct connection to both the one or more electrical input lines and the one or more fluid

Abstract: A device comprising: a handpiece having one or more attachment ports; a tubeset having one or more attachment features for connecting the tubeset to the one or more attachment ports in the handpiece; a removable tip having an attachment arm for attaching to the one or more attachment ports in the handpiece; wherein the device comprises one or more of the following: the handpiece includes an attachment port that attaches the handpiece to an active lead and a return lead and the device is adapted to use only the active lead or both leads so that the device can switch between bi-polar energy and mono-polar energy; the tubeset has one or more fluid conduits that are in fluid communication with the removable tip, wherein the removable tip is located at a distal end of the device; and the handpiece connects to one or more electrical input lines; the tubeset connects to one or more fluid lines, and the removable tip is free of direct connection to both the one or more electrical input lines and the one or more fluid

Abstract: A surgical instrument includes a hollow tubular member having a closed distal working end, a proximal end and an outer surface, with an opening in a side wall at or adjacent the distal working end. The instrument includes a first electrical insulation layer disposed on at least part of the outer surface of the hollow tubular member, a first electrode disposed on an outer surface of the first electrical insulation layer, and a second electrode disposed on the outer surface of the first electrical insulation layer. The first and second electrodes are electrically isolated from each other, and each includes an active segment and an inactive segment. The active segments of the first and second electrodes are disposed respectively on opposing sides of the hollow tubular member preferably within about 3.0 mm of the opening in the side wall of the hollow tubular member.

Abstract: A device comprising: a handpiece having one or more attachment ports; a tubeset having one or more attachment features for connecting the tubeset to the one or more attachment ports in the handpiece; a removable tip having an attachment arm for attaching to the one or more attachment ports in the handpiece; wherein the device comprises one or more of the following: the handpiece includes an attachment port that attaches the handpiece to an active lead and a return lead and the device is adapted to use only the active lead or both leads so that the device can switch between bi-polar energy and mono-polar energy; the tubeset has one or more fluid conduits that are in fluid communication with the removable tip, wherein the removable tip is located at a distal end of the device; and the handpiece connects to one or more electrical input lines; the tubeset connects to one or more fluid lines, and the removable tip is free of direct connection to both the one or more electrical input lines and the one or more fluid

Abstract: A device comprising: a handpiece having one or more attachment ports; a tubeset having one or more attachment features for connecting the tubeset to the one or more attachment ports in the handpiece; a removable tip having an attachment arm for attaching to the one or more attachment ports in the handpiece; wherein the device comprises one or more of the following: the handpiece includes an attachment port that attaches the handpiece to an active lead and a return lead and the device is adapted to use only the active lead or both leads so that the device can switch between bi-polar energy and mono-polar energy; the tubeset has one or more fluid conduits that are in fluid communication with the removable tip, wherein the removable tip is located at a distal end of the device; and the handpiece connects to one or more electrical input lines; the tubeset connects to one or more fluid lines, and the removable tip is free of direct connection to both the one or more electrical input lines and the one or more fluid

Abstract: A surgical instrument has a hollow tubular member, and a pressurization unit that has an outer valve portion, a pressurization device having a movable part configured to generate pressurized fluid when the movable part is moved, and an inner valve portion. The inner valve portion includes a first flow passage that is configured to fluidically connect a first port and a second port of the outer valve portion to each other when the inner valve portion is in a first position, and a second flow passage that is configured between the inner valve portion and the outer valve portion to fluidically connect the first port and a third port when the inner valve portion is in a second position. A sealing system fluidically isolates the second port and the third port from each other at any position of the inner valve portion.

Abstract: A device comprising: a handpiece having one or more attachment ports; a tubeset having one or more attachment features for connecting the tubeset to the one or more attachment ports in the handpiece; a removable tip having an attachment arm for attaching to the one or more attachment ports in the handpiece; wherein the device comprises one or more of the following: the handpiece includes an attachment port that attaches the handpiece to an active lead and a return lead and the device is adapted to use only the active lead or both leads so that the device can switch between bi-polar energy and mono-polar energy; the tubeset has one or more fluid conduits that are in fluid communication with the removable tip, wherein the removable tip is located at a distal end of the device; and the handpiece connects to one or more electrical input lines; the tubeset connects to one or more fluid lines, and the removable tip is free of direct connection to both the one or more electrical input lines and the one or more fluid

Abstract: A surgical instrument includes a hollow tubular member having a closed distal working end, a proximal end and an outer surface, with an opening in a side wall at or adjacent the distal working end. The instrument includes a first electrical insulation layer disposed on at least part of the outer surface of the hollow tubular member, a first electrode disposed on an outer surface of the first electrical insulation layer, and a second electrode disposed on the outer surface of the first electrical insulation layer. The first and second electrodes are electrically isolated from each other, and each includes an active segment and an inactive segment. The active segments of the first and second electrodes are disposed respectively on opposing sides of the hollow tubular member preferably within about 3.0 mm of the opening in the side wall of the hollow tubular member.

Abstract: A surgical instrument includes first and second cutting blades, each including a tubular body having proximal and distal ends, with a cutting window disposed at a side of each cutting blade near its distal end. The second cutting blade rotates within the first cutting blade to cut tissue while a vacuum is applied through an internal bore of the second cutting blade. The distal end of each of the cutting blades includes a suction aperture. An area of the first cutting blade suction aperture is smaller than an area of the second cutting blade suction aperture. The instrument is used as a suction tool by applying the vacuum through the internal bore of the second cutting blade while the second cutting blade is stopped from rotating with the cutting windows of the first and second cutting blades misaligned with each other to apply the vacuum through the suction apertures.

Abstract: A surgical instrument has a hollow tubular member, and a pressurization unit that has an outer valve portion, a pressurization device having a movable part configured to generate pressurized fluid when the movable part is moved, and an inner valve portion. The inner valve portion includes a first flow passage that is configured to connect a first port and a second port of the outer valve portion to each other when the inner valve portion is in a first position, and a second flow passage that is configured to connect the first port of the outer valve portion to the pressurization device when the inner valve portion is in a second position. Pressurized fluid from the pressurization device causes the inner valve portion to move from the first position to the second position, thereby providing positive pressure to the hollow tubular member.

Abstract: A surgical instrument includes a main unit and a suction conduit. The main unit includes at least one tubular body having a distal end, a proximal end, and an inlet disposed near the distal end. The suction conduit is slidably disposed over the main unit, and is slidably movable along the main unit between a retracted position, at which the suction conduit does not cover the inlet of the main unit, and an extended position at which the suction conduit covers the inlet of the main unit and a suction inlet of the suction conduit is placed in fluid-communication with the main unit inlet. The surgical instrument can be used as a suction tool by placing the suction conduit in the extended position and applying a vacuum through the inlet of the main unit and the suction inlet.

Abstract: A surgical instrument includes a main unit and a suction conduit. The main unit includes at least one tubular body having a distal end, a proximal end, and an inlet disposed near the distal end. The suction conduit is slidably disposed over the main unit, and is slidably movable along the main unit between a retracted position, at which the suction conduit does not cover the inlet of the main unit, and an extended position at which the suction conduit covers the inlet of the main unit and a suction inlet of the suction conduit is placed in fluid-communication with the main unit inlet. The surgical instrument can be used as a suction tool by placing the suction conduit in the extended position and applying a vacuum through the inlet of the main unit and the suction inlet.

Abstract: A surgical instrument includes first and second cutting blades, each including a tubular body having a proximal end and a distal end, with a cutting window disposed at a side of each cutting blade near its distal end. The second cutting blade rotates inside of the first cutting blade to cut tissue while a vacuum is applied through an internal bore of the second cutting blade. The distal end of each of the cutting blades includes a suction aperture through which a longitudinal axis of the cutting blades extends. The surgical instrument can be used as a suction tool in which the vacuum is applied through the suction apertures by applying the vacuum through the internal bore of the second cutting blade while the second cutting blade is stopped from rotating with the cutting windows of the first and second cutting blades misaligned with each other.

Abstract: A pressure washer pump generally includes a pump housing that defines a cavity, an opening into the cavity and a bottom of the cavity generally opposite the opening. A valve assembly is disposed in the cavity through the opening. The valve assembly includes a cage member that contains a first valve mechanism. A plug member is received in the opening to fluidly seal the cavity of the pump housing. A compliant member is disposed between the plug member and the cage member. The cage member is disposed between the compliant member and the bottom of the cavity and spaced from the plug member.