Abstract: A cutting instrument comprising: an outer tube comprising a distal end and a proximal end; an inner tube rotatably disposed within said outer tube, said inner tube comprising a distal end, a proximal end and a region intermediate said distal end and said proximal end, said region comprising a plurality of slits formed in said inner tube so as to render said region of said inner tube flexible; and a bellows disposed adjacent to said plurality of slits so as to render said region of said inner tube fluid-tight.

Abstract: An otologic prosthesis is disclosed. In accordance with some embodiments, the device includes a set of crimping prongs comprising a lattice structure provided on a surface of each crimping prong in the set of crimping prongs to support and promote osseointegration. In accordance with some embodiments, the stem and the TM plate are separate pieces configured to be attached by a snap-fit mechanism. In accordance with some embodiments, the device is an adjustable length prosthesis with an internalized sizing mechanism. In accordance with some embodiments, the device is adjustable by a rotatable joint that facilitates rotation of a first stem section with respect to a second stem section for adjustment and readjustment on a patient-specific basis.

Abstract: A blade assembly comprising: a tip including two or more tubes, wherein the two or more tubes include at least: an outer tube and an inner tube; and a mechanical enclosure including: a locking spline having a longitudinal axis; and a slide lock; wherein the slide lock slides along the longitudinal axis of the locking spline and over the locking spline forming a locked state so that rotational movement of the locking spline, around the longitudinal axis of the locking spline, is prevented; and wherein the outer tube is coupled to the locking spline so that rotational movement of the outer tube, around the longitudinal axis of the locking spline, is prevented during the locked state.

Abstract: A blade assembly comprising: a tip including two or more tubes, wherein the two or more tubes include at least: an outer tube and an inner tube; and a mechanical enclosure including: a locking spline having a longitudinal axis; and a slide lock; wherein the slide lock slides along the longitudinal axis of the locking spline and over the locking spline forming a locked state so that rotational movement of the locking spline, around the longitudinal axis of the locking spline, is prevented; and wherein the outer tube is coupled to the locking spline so that rotational movement of the outer tube, around the longitudinal axis of the locking spline, is prevented during the locked state.

Abstract: A surgical apparatus which includes a handpiece having a passage. The retention assembly includes a pair of radially movable buttons, aligned in axially extending passages in communication with the passage and can engage with and cause rotational movement of a collet member assembly rotatably supported in the passage. The collet assembly includes rolling lock members which can be moved by the collet member from a lock position, in which the lock members are forced by the wall of the passage to extend inwardly of the collet member and an unlocked position, in which the lock members are aligned with a recess in the wall of the passage and are not forced to extend inwardly of the collet member. The surgical apparatus may find particular use with irrigation fluid, suction, and powering of a surgical tool. The passage may include a cutting blade retention assembly integrated in the passage.

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 device comprising: a handle assembly; a locking collar; and a set of replaceable bits that load along an axis into the handle assembly; wherein the locking collar is fully removable from the handle assembly, the locking collar loads axially to a first position, and the locking collar rotates between the first position and a second position; wherein, in the first position, the locking collar is free to be axially removed from the handle assembly and the replaceable bits are free to be loaded or unloaded from the handle assembly; wherein, in the second position, the locking collar is prevented from axial movement relative to the handle assembly and the replaceable bits are prevented from being received within, or removed from, the handle assembly; and the locking collar is guided to the first position and between the first position and the second position by a groove in the handle assembly mating with a member carried by the locking collar.

Abstract: A surgical device comprising a handle assembly comprising a drive shaft; a handle assembly adapter for connection to the handle assembly comprising a transmission shaft for connection to the drive shaft; and a nosepiece assembly for connection to the adapter and for securing the shaft of a working element to the transmission shaft; wherein the adapter and the nosepiece assembly each comprise a locking collar; wherein the adapter and the handle assembly each comprise a connector assembly comprising a housing comprising an opening; a collet sleeve disposed within the opening, connected to an input shaft, and comprising a lumen for receiving an output shaft; a locking element for locking and unlocking the output shaft to the collet sleeve; and a cam element movable between first and second positions such that movement of the locking collar causes the cam element to move between the first position and the second position.

Abstract: An interchangeable tip comprising: a stylet; a blade module including: an enclosure that electrically connects, signally connects, or both the interchangeable tip to a power source, a signal source, or both; and blade circuitry having: one or more control buttons, one or more switches, or both for controlling operation one or more functions of the interchangeable tip.

Abstract: A microdebrider comprising: (a) a handpiece; (b) an interchangeable tip connected to the handpiece; (c) an outer tune rotatably connected to the interchangeable tip. the outer tube including an outer tube window; (d) an inner tube extending at least partially through the outer tube, the inner tube including an inner tube window; (e) a lock selector connected to the inner tube; and (f) a bias device; wherein the bias device is movable, and upon movement of the bias device into contact with the lock selector the inner tube is immobilized so that the inner tube window is aligned with the outer tube window, aligned with a wall of the outer tube, or in a condition therebetween.

Abstract: A surgical device comprising: a handle assembly; a locking collar; and a set of replaceable bits that load along an axis into the handle assembly; wherein the locking collar is fully removable from the handle assembly, the locking collar loads axially to a first position, and the locking collar rotates between the first position and a second position; wherein, in the first position, the locking collar is free to be axially removed from the handle assembly and the replaceable bits are free to be loaded or unloaded from the handle assembly; wherein, in the second position, the locking collar is prevented from axial movement relative to the handle assembly and the replaceable bits are prevented from being received within, or removed from, the handle assembly; and the locking collar is guided to the first position and between the first position and the second position by a groove in the handle assembly mating with a member carried by the locking collar.

Abstract: A surgical instrument includes a hollow cylindrical member having a flexible region along at least a part of the hollow cylindrical member and a malleable tubing disposed over at least an outer surface of the flexible region of the hollow cylindrical member. The flexible region and the malleable tubing disposed over the flexible region can bend multiple times. The malleable tubing can maintain a bent orientation until the malleable tubing is re-bent by a user. The surgical instrument also includes connections that prevent the malleable tubing from moving longitudinally relative to the hollow cylindrical member. The malleable tubing may be made of various materials, one example of which is anodized, annealed aluminum.

Abstract: A surgical tool can include a main unit and a first rigid sheath. The main unit includes an inner tube that is received within an outer tube. The first rigid sheath removably receives the main unit and connects to the main unit via a coupling between a first connector portion of the main unit and a second connector portion of the rigid sheath. The first rigid sheath can be completely removed from the main unit when the first connector portion is decoupled from the second connector portion. A different rigid sheath having a different shape from the shape of the first rigid sheath can then be removably attached to the main unit instead of the first rigid sheath. A surgical tool kit includes a plurality of rigid sheaths having different shapes and having the ability to be removably attached to the main unit.

Abstract: A microdebrider comprising: (a) a handpiece; (b) an interchangeable tip connected to the handpiece; (c) an outer tube rotatably connected to the interchangeable tip, the outer tube including an outer tube window; (d) an inner tube extending at least partially through the outer tube, the inner tube including an inner tube window; (e) a lock selector connected to the inner tube; and (f) a bias device; wherein the bias device is movable, and upon movement of the bias device into contact with the lock selector the inner tube is immobilized so that the inner tube window is aligned with the outer tube window, aligned with a wall of the outer tube, or in a condition therebetween.

Abstract: A surgical apparatus which includes a handpiece having a passage. The retention assembly includes a pair of radially movable buttons, aligned in axially extending passages in communication with the passage and can engage with and cause rotational movement of a collet member assembly rotatably supported in the passage. The collet assembly includes rolling lock members which can be moved by the collet member from a lock position, in which the lock members are forced by the wall of the passage to extend inwardly of the collet member and an unlocked position, in which the lock members are aligned with a recess in the wall of the passage and are not forced to extend inwardly of the collet member. The surgical apparatus may find particular use with irrigation fluid, suction, and powering of a surgical tool. The passage may include a cutting blade retention assembly integrated in the passage.