Abstract: The present invention is directed to a bodily fluid specimen collection and assay device having a bodily fluid collection cup and an integral hinged lid connected to the bodily fluid collection cup. The integral hinged lid forms a seal with the bodily fluid collection cup. The bodily fluid collection cup has a main collection chamber, an assaying test strip viewing window, a test strip magazine, a magazine supporting member, and assaying test strip. The flow of the bodily fluid specimen from the main collection chamber is controlled by plurality of flow ports and outward flow ports along with damming rib and raised rib.

Abstract: Cryogenic biopsy assemblies are described herein that comprise a tissue acquisition device and cryogenic probe. Also disclosed are systems containing such cryogenic biopsy assemblies and methods cryogenic biopsy that employ such cryogenic biopsy assemblies.

Abstract: A device for needle biopsy is provided. The device includes a handle member having proximal and distal portions. A proximal handle member is disposed to the proximal portion of the handle member and a distal handle member is disposed to the distal portion of the handle member. A sheath lumen is disposed within the handle member and extends from the distal portion of the handle member. A needle housing member is partially disposed to the proximal portion of the handle member and a needle is disposed within the sheath lumen. A plurality of protrusions are disposed upon the needle.

Abstract: A device and a method for sealing an opening in the wall of a blood vessel is provided. The device includes an automatic mechanism, a shaft fixedly connected to the automatic mechanism, a seal assembly attached to the distal end of the shaft, and a pushing rod also engaging the seal assembly, the automatic mechanism moving the pushing rod from a first position to a second position in response to the shaft being pulled distally a predetermined distance.

Abstract: An anatomic structure extractor allows a medical practitioner to retract, aspirate, ligate and amputate an anatomic structure within a patient through a minimally invasive incision. An anatomic structure extractor may include a transparent tubular member with a cap coupled to one end. The cap may have at least one view port with a magnifying lens. The cap may also have a needle port through which a needle is inserted to puncture the anatomic structure. A trap may be in fluid communication with the transparent tubular member. A suction post is in communication with the trap to pull the contents of an aspirated cyst into the trap. A light post containing a light source may be connected to the transparent tubular member to illuminate the interior of the extractor. A ligature deployer and a cutting wire may also be coupled to the tubular member.

Abstract: An anchor device and system for coupling soft tissue to osseous tissue includes a stopper member that supports a loop of suture material. A fixing member includes features that allow it to be rigidly coupled to surrounding bone and thus hold the stopper member in a cavity within the bone. The loop of suture material, in turn, supports a second suture device, which is coupled to, and thus retains, the soft tissue. In certain embodiments, the fixing member includes a wadding structure having a generally elastic property.

Abstract: A bone anchor insertion device comprises a handle, a nosepiece connected to a distal end of the handle, a bone anchor connected to the nosepiece, and an actuator disposed on the handle for deploying the bone anchor, which suture is also fixed to a portion of soft tissue to be attached to a portion of bone. A suture ratchet or tensioning mechanism is disposed in the handle for tensioning suture which is associated with the bone anchor. This mechanism permits precise tensioning, while also permitting one-handed operation, thereby allowing the practitioner to use his or her other hand for other activities, such as camera operation or the like.

Abstract: A device for passing a needle and suture longitudinally through a target tissue includes a proximal jaw including a proximal recess and a proximal retention mechanism for releasably engaging a first end of a needle received within the proximal recess and a distal jaw movably coupled to the proximal jaw such that the proximal and distal jaws are longitudinally movable relative to one another. The distal jaw includes a distal recess and a distal retention mechanism for releasably engaging a second end of the needle received within the distal recess. The proximal and distal jaws are movable between a first state, in which the proximal retention mechanism is in a locked configuration and the distal retention mechanism is in an unlocked configuration, and a second state, in which the proximal retention mechanism is in an unlocked configuration and the distal retention mechanism is in a locked configuration.

Abstract: A device is described which has an instrument portion secured to a sleeve/cuff portion, where the sleeve/cuff portion is configured to receive a portion of user's finger therein and to radially compress onto the user's finger to hold the instrument portion thereon. The present invention is particularly well suited for use in minimally invasive surgical procedures. The present invention also teaches a method of forming a knot in suture material as well as other techniques for treating patients.

Abstract: A suture and a suture retainer are positioned relative to body tissue. Ultrasonic vibratory energy is utilized to heat the suture retainer and effect a bonding of portions of the suture retainer to each other and/or to the suture. Portions of the body tissue may be pressed into linear apposition with each other and held in place by cooperation between the suture and the suture retainer. The suture retainer may include one or more portions between which the suture extends. The suture retainer may include sections which have surface areas which are bonded together. If desired, the suture may be wrapped around one of the sections of the suture retainer. The suture retainer may be formed with a recess in which the suture is received. If desired, the suture retainer may be omitted and the sections of the suture bonded to each other.

Abstract: The surgical stapling apparatus includes a handle assembly, an elongated body extending distally from the handle assembly, and an articulation mechanism for articulating a tool assembly. The articulation mechanism includes a first gear rotatably mounted on a transmission shaft and configured to engage a second gear, a clutch interconnecting the second gear and a main shaft; and a yoke shaft coupled to the main shaft and adapted to linearly advance a J-channel, the J-channel operatively connected to an articulation link. A motor assembly may rotate the transmission shaft of the articulation mechanism. Alternatively, the articulation mechanism may include an articulation knob. Users may manually rotate the articulation knob to articulate the tool assembly of the surgical stapling apparatus.

Abstract: A surgical stapling instrument for performing a circular anastomosis comprises a stapling head assembly, an actuator handle assembly, a shaft assembly, a safety latch, and a locking member. The stapling head assembly includes an anvil that moves relative to a staple holder and a staple driver to drive staples from the staple holder into tissue and against the anvil. The actuator handle assembly has a first actuator that controls motion of the anvil and a second actuator that controls motion of the staple driver. The shaft assembly couples the stapling head assembly to the actuator handle assembly. The safety latch prevents operation of the second actuator when the gap between the anvil and staple holder is outside a predetermined range. The locking member is configured to prevent adjustment of the anvil gap after the desired staple height has been set inside the predetermined range.

Abstract: An implant insertion device is adapted for use with a shape memory implant. The shape memory implant includes a bridge interconnecting first, second, and third legs. The shape memory implant is movable between a first shape in which at least the first leg is substantially non-parallel and a second shape in which at least the first leg is substantially parallel. The implant insertion device engages the shape memory implant to maintain the shape memory implant in its second shape until the delivery of the shape memory implant into tissue or bone.

Abstract: A device for closing a tissue opening includes a body extending from a first end to a second end and a first anchoring element connected to the first end of the body and a second anchoring element connected to the second end of the body. At least one of the first anchoring element and the second anchoring element is movable between an insertion configuration, in which the at least one of the first and second anchoring elements is insertable through a target tissue such that the body extends across a tissue opening to be treated, and an anchoring configuration, in which the first and second anchoring elements engage target tissue on a first side and a second side, respectively, of the tissue opening.

Abstract: An end effector is disclosed. The end effector comprises a first jaw member defining an anvil; a second jaw member configured to receive a cartridge therein, wherein the first jaw member is moveable with respect to the second jaw member; a first sensor coupled to the anvil; and a second sensor configured to measure a second parameter. The first sensor is configured to measure a first parameter. The first parameter and the second parameter are related. The first sensor and the second sensor are in signal communication with a processor.

Abstract: A surgical instrument is disclosed. The surgical instrument includes a first jaw and a second jaw, wherein at least one of the first jaw and the second jaw is movable relative to the other one of the first jaw and the second jaw between an open configuration and an approximated configuration. In addition the surgical instrument includes a cutting member movable during a firing stroke to cut tissue captured between the first jaw and the second jaw, the cutting member comprising a cutting surface at a distal portion thereof. In addition, the surgical instrument further includes a sensing module operable to measure a characteristic of the cutting surface.

Abstract: An electronic system for a surgical instrument is disclosed. The electronic system comprises a main power supply circuit configured to supply electrical power to a primary circuit. A supplementary power supply circuit configured to supply electrical power to a secondary circuit. A short circuit protection circuit coupled between the main power supply circuit and the supplementary power supply circuit. The supplementary power supply circuit is configured to isolate itself from the main power supply circuit when the supplementary power supply circuit detects a short circuit condition at the secondary circuit. The supplementary power supply circuit is configured to rejoin the main power supply circuit and supply power to the secondary circuit, when the short circuit condition is remedied.

Abstract: An end effector is disclosed. The end effector comprises a first jaw member comprising a magnetic sensor; a second jaw member pivotally coupled to the first jaw member such that the first jaw member is pivotally moveable between an open position and a closed position, wherein the second jaw member is configured to receive a staple cartridge therein; a staple cartridge removably coupled to the second jaw member, the staple cartridge further comprising an upper surface facing the first jaw member; and a magnet positioned to be in an opposing relationship to the magnetic sensor when the first jaw member is in the closed position. The magnetic sensor is operable to detect the magnetic field of the magnet, and wherein the detected magnetic field is indicative of the distance between the anvil and the staple cartridge.

Abstract: A staple cartridge for use with a surgical stapler and surgical stapling systems are disclosed. The staple cartridge comprises a cartridge body having a tissue-contacting surface. One or more light emitting diodes (LEDs) are positioned at the edges of the tissue-contacting surface. A plurality of staple drivers is located within the cartridge body each supporting a staple.

Abstract: A surgical stapling system including a shaft assembly transmits actuation motions from an actuator and an end effector compresses and staples tissue. The end effector comprises an elongated channel; an anvil having a staple forming surface is moveable relative to the elongated channel between an open position and a closed position; and a staple cartridge removably positioned within the elongated channel. The staple cartridge comprises a body having a tissue contacting surface in a confronting relationship with the staple forming surface; a plurality of staple drivers within the cartridge body each supporting a staple; and a tissue thickness compensator positionable between the anvil and the cartridge, the tissue thickness compensator is captured by the staples and assumes different compressed heights within the different staples. The tissue compensator comprises first conductive elements. The system determines properties of tissue compressed between the anvil and the cartridge.

Abstract: A surgical stapling system including a shaft assembly transmits actuation motions from an actuator and an end effector compresses and staples tissue. The end effector comprises an channel; an anvil having a staple forming surface is moveable relative to the channel between open and closed positions; the anvil having a magnet at the distal end; and a staple cartridge removably positionable within the channel. The staple cartridge comprises a body supported for a confronting relationship with the anvil in its closed position; a plurality of staple drivers located within the cartridge body support a staple; a Hall effect sensor located at the distal end of the body; and a microprocessor in communication with the Hall effect sensor. The Hall effect sensor and microprocessor receive power when the staple cartridge is positioned within the channel, and the system is operable to identify the staple cartridge.

Abstract: A surgical instrument includes an end effector with a first jaw and a second jaw. The instrument also includes a first drive assembly, a first motor coupled to the first drive assembly, a second drive assembly, a second motor coupled to the second drive assembly, a control module, and a closure trigger. The first motor is operable to motivate the first drive assembly, and the second motor is operable to motivate the second drive assembly. The control module is operably couplable to the first motor and the second motor. The closure trigger is movable during a closure stroke to transition the end effector to the approximated configuration, and to transition the control module from operable engagement with the first motor to operable engagement with the second motor.

Abstract: A surgical clamp assembly 100 for use in keyhole surgery is disclosed. The assembly includes: a surgical clamp 10 for forming a clamping loop around a bodily lumen 8. The clamp includes: a strap 20, the strap including an elongate grippable portion 23; and a head 30 including a gripper 40, the gripper having an open mouth, the open mouth shaped to allow lateral entry of the strap into the gripper so as to form the clamping loop. The assembly further includes: a deployment tube 60 for deploying the clamp through a keyhole; and a manipulator 70 for manipulating the clamp through the deployment tube. The elongate body is biased to move from a constrained generally straight condition within the deployment tube to an unrestrained curled condition within a patient. A surgical clamp assembly, that includes a surgical clamp is also disclosed.

Abstract: A vaso-occlusive device is constructed out of dissimilar metallic materials that are in contact or otherwise in close proximity with one another, thereby causing the device to undergo galvanic corrosion when exposed to an electrolytic medium, such as blood or other body fluid, wherein one of the dissimilar metallic materials is zirconium or zirconium alloy to create a corrosive product including zirconia having a relatively high hardness, a relatively high fracture toughness, and a relatively high stability when the device is implanted in a vasculature site, such as an aneurysm.

Abstract: An instrument for clamping a surgical clip has a handle assembly, a shaft assembly, and an end effector. The handle assembly has a trigger and an articulation knob. The shaft assembly has an outer ground tube, a middle articulation tube, and a push/pull tube disposed within the middle articulation tube. The trigger is operable to cause longitudinal translation of the push/pull tube. The outer ground tube and the middle articulation tube present mating angled faces sloped in opposing directions. Rotation of the articulation knob causes rotation of the middle articulation tube. Rotation of the middle articulation tube changes the orientation of the angled faces and thus causes articulation of the middle articulation tube and the push/pull tube. The end effector has a pair of jaws configured to apply a surgical clip to a vessel. Longitudinal translation of the push/pull tube causes closure of the pair of jaws.

Abstract: The present invention relates to a spring to return more quickly the jaws of a gripper assembly of a delivery system for deploying an embolic coil. Each of the jaws and spring are formed of shape memory alloy configured to be movable between a first position and a second position and returning to the first position, with the spring tension increasing the speed of the return to the first position of the jaws of the gripper assembly. The gripper assembly may be used to insert, retract, reconnect, and rapidly disconnect from the embolic coil.

Abstract: An embolic occlusion device for the treatment of aneurysms and arteriovenous malformations comprises expanded polytetrafluoroethylene (ePTFE). The ePTFE permits ingrowth of cells with connective tissue deposition to promote adherence of the aneurysm wall to the embolic device thereby preventing continued growth or re-growth of the aneurysm as well as blocking blood flow into an aneurysm. An occlusion device is also described which comprises an embolic element and a polymeric pre-formed component.

Abstract: An implantable medical device for insertion in the left atrial appendage includes a cap coupled to a frame. The cap constrains movement of the legs of the frame during collapse and expansion of the device, such that the device can be deployed, recalled and redeployed without the device being damaged or the legs of the frame getting tangled.

Abstract: Bleeding arising from the left atrial appendage (LAA) can have fatal consequences because it can result in cardiac tamponade. The present invention provides apparatuses and methods for treating and preventing bleeding arising from the LAA, at the pre-hemorrhage and post-hemorrhage stages. In particular, catheters having inflatable catheter balloons are advanced into the LAA and the inflatable catheter balloons are inflated in and around the LAA in a manner that occludes the LAA ostium and the LAA cavity. Additionally, electromagnetic coils are present within the inflatable catheter balloons to create electromagnetic forces that help to further occlude the LAA ostium firmly. When the catheter balloons are inflated, these electromagnetic coils also expand.

Abstract: A vaso-occlusive device includes an inner coil made from inner coil wire having a first diameter and formed from a first material, and an outer coil disposed at least partially around the inner coil and made from outer coil wire having a second diameter and formed from a second material. The inner coil has a first pitch and the outer coil has a second pitch. The first diameter, material, and pitch are different from the second diameter, material, and pitch, respectively. In some embodiments, the second diameter is less than the first diameter, the second material is softer than the first material, and the second pitch is more open than the first pitch. In some embodiments, the inner coil extends proximally beyond the outer coil.

Abstract: Some embodiments relate to a device for reducing venous blood flow in a human limb. The device of some embodiments comprises: a first rigid part having a first non-linear inner profile; a second rigid part having a second inner profile generally facing the first inner profile; and a coupling portion that couples the first and second parts together while allowing relative movement of the first and second parts between a clamped position and an unclamped position. The first and second inner profiles are arranged to press against veins in the limb when the device is in the clamped position and thereby reduce venous blood flow in the limb.

Abstract: Apparatus and methods for preparing the interior of a bone for therapy. The therapy may include therapy for a bone fracture. The apparatus and methods may involve orienting a surgical instrument for proper deployment in the interior of the bone. An instrument guide may be positioned and retained against translation along, and rotation about one or more of three substantially orthogonal axes. Apparatus placed exterior to the bone may register the guide to a region inside the bone that is designated for preparation or treatment. One or more broaching members may be used to prepare the region for treatment. A broaching member may be expandable inside the bone. A broaching member may be flexible such that it broaches bone having a relatively lower density and it leaves bone having a relatively higher density substantially intact.

Abstract: A bone fixation system includes a fixation device configured to be positioned at a target area of bone comprising two ends connected by a shaft and further comprising a bore formed through the shaft configured to receive a fixation screw. The system further includes a drill bit sized and configured to pass through the bore to prepare the surrounding bone to receive a second fixation device. At least a distal portion of the drill bit is configured to pass through the bore. The fixation device is made of a first material and wherein the distal portion of the drill bit comprises at least an outer portion made of a second material. The second material of the drill bit has a hardness that is less than the hardness of the first material of the fixation device.

Abstract: A method of preparing a bone to receive a fixation screw through a fixation device includes providing a drill bit sized and configured to pass through a bore in a fixation device positioned in the bone and drilling a passage into the bone and through the bore. At least a distal portion of the drill bit passes through the bore in the drilling step. At least an outer portion of the distal portion of the drill bit has a hardness that is less than a hardness of the fixation nail.

Abstract: A bone or tissue-cutting instrument for use with a manual handle or with a powered surgical tool includes an elongated shaft and a cutting head portion of a distal end of the shaft. The cutting head portion includes an annular arcuate blade located at the distal-most end of the cutting head portion for cutting or shaving adjacent tissue or bone. The cutting head portion may also include a distal opening defined by the arcuate blade and a proximal opening with a central passage therebetween for collecting and transferring cut bone or tissue cut by the arcuate blade.

Abstract: The present application relates to adaptive surface surgical guiding apparatuses. A surgical guiding apparatus may include one or more rigid portions configured to attach to a first region of an underlying anatomical surface. The surgical guiding apparatus may further include a variable deformable portion coupled to the one or more rigid portions, the variable deformable portion configured to conform to a shape of a second region of the underlying anatomical surface to provide a stable attachment of the surgical guiding apparatus to the underlying anatomical surface. The present disclosure further provides methods for manufacturing surgical guiding apparatuses and uses of the apparatuses for placement onto an underlying anatomical surface.

Abstract: This patent document discloses assemblies and methods for removing obstructive material from a body vessel or other cavity. An assembly can include an elongate inner member, an elongate outer member, an aspirator, one or more valves, and a waste collection reservoir. Each of the elongate members can extend from a proximal end portion to a distal end portion and can include a lumen therethrough. The elongate inner member can be partially disposed in the lumen of the elongate outer member and can be moveable along its longitudinal axis relative to the elongate outer member. The aspirator can be in flow communication with the proximal end portion of the elongate inner member for drawing the obstructive material into or through its lumen. The one or more valves can be configured and positioned to allow obstructive material removed from the body vessel or cavity to be urged toward the waste collection reservoir.

Abstract: This patent document discloses perfusion catheters and related methods for treating complications related to CTO interventions or dilating a vessel occlusion while maintaining a passage through the treated vessel segment. A perfusion catheter can include a balloon formed of an inflatable tube and an elongate shaft having a lumen for providing inflation fluid to, or withdrawing inflation fluid from, the balloon. The inflatable tube can be coiled in a helical manner around a central axis into a series of windings. Adjacent windings can be stacked against and bonded to each other, and an inner surface of the series of windings, when inflated, can define the passage. The elongate shaft can be eccentrically attached to a proximal portion of the balloon and the shaft's lumen can be in fluid communication with the interior of the balloon, specifically the inflatable tube. The inflatable tube can include two different polymer tubes, one slightly smaller than the other.

Abstract: Assemblies and methods for capturing a guidewire advanced through a blood vessel in a retrograde direction are disclosed. An assembly can include a constraining catheter and a capture catheter. The constraining catheter can include a first longitudinal member and a tubular member; the tubular member can be eccentrically coupled with a distal end portion of the first longitudinal member. The capture catheter can include a second longitudinal member and a funnel member; the funnel member can be eccentrically coupled with a distal end portion of the second longitudinal member. The funnel member can be moved between a collapsed configuration and an expanded configuration through relative movement between the first and second longitudinal members. In the collapsed configuration, at least a portion of the funnel member is disposed within a lumen of the tubular member. In the expanded configuration, the portion of the funnel member projects from an end of the tubular member.

Abstract: Devices and methods for removal of calculus (including for example, kidney stones) are disclosed. In an embodiment, a device for removal of kidney stones includes a substantially sealable pouch that can be inserted into the kidney for capturing a kidney stone. The pouch is also designed to permit fragmentation of the kidney stone inside the pouch, while preventing kidney stone fragments from escaping from the pouch. As a result, the likelihood of dispersing stone fragments during fragmentation of a large stone is greatly lessened.

Abstract: According to aspects of the present disclosure, a retrieval device may include a sheath, a first drive member in the sheath, and a second drive member in the sheath. The second drive member may be movable relative to the first drive member. An end effector may be retractable into and extendable out of the sheath. The end effector may include a first proximal end portion coupled to the first drive member, a second proximal end portion coupled to the second drive member, and a plurality of legs extending distally from the first and second proximal end portions to a distal tip of the end effector. All of the legs that extend to the distal tip may be fixed together at the distal tip.

Abstract: Methods, devices, and systems for extracting vessel occluding material are provided. An embodiment of a vessel occluding material extractor includes a host structure, a plurality of expandable members, a slide mechanism, and a circumferential member. The host structure has an elongate axis. The expandable members are connected to the host structure arrayed radially around the elongate axis. The slide mechanism is connected to the expandable members and adjacent the host structure, and is slidable in the direction of the elongate axis. The circumferential member is connected to the expandable members between the connection of the slide mechanism and the host structure to the expandable members.

Abstract: A medical instrument includes a snake wrist structure further including: a first joint disk having a first rim having a first tooth slot and a first toothed gear with the first tooth slot opposite the first toothed gear along the first rim; and a first strut having a first slot bearing and a first hole bearing connected by a first connection strut with the first slot bearing in the first tooth slot.

Abstract: A system for performing a medical procedure includes an articulating probe including inner and outer sleeves, and a surgical tool including a functional element positioned at a distal end of a tool shaft, the tool shaft having an articulation region. The articulating probe and the surgical tool are independently controllable.

Abstract: A system for performing a medical procedure includes an articulating probe including inner and outer sleeves, and a surgical tool including a functional element positioned at a distal end of a tool shaft, the tool shaft having an articulation region. The articulating probe and the surgical tool are independently controllable.

Abstract: A membrane removing forceps may include a first forceps jaw having a first forceps jaw distal end and a first forceps jaw proximal end and a second forceps jaw having a second forceps jaw distal end and a second forceps jaw proximal end. The membrane removing forceps may include one or more abrasive surfaces configured to raise a portion of a membrane. A surgeon may raise a portion of a membrane by grazing the portion of the membrane with one or more abrasive surfaces of a membrane removing forceps. The surgeon may grasp the raised portion of the membrane with the first forceps jaw distal end and the second forceps jaw distal end. The surgeon may then remove the membrane by peeling the membrane apart from an underlying tissue.

Abstract: [Problem] To provide a medical cutting tool with low impalement resistance. [Solution] The edged medical cutting tool comprising a knife, trocar or cutting suture needle has a sharp edge (1) for incising living tissue and a flat part (2) that configures the edge, and the color of the portion of the flat part (2a) along the edge (1) differs from the color of the rest of the flat part (2b). The difference in color results from a difference in the thickness of an oxide film. Another edged medical cutting tool is configured of austenite stainless steel and has a sharp edge (1) for incising living tissue and a flat part (2) that configures the edge. The chrome content of the portion of the flat part (2a) along the edge is higher than the chrome content of the rest of the flat part (2b).

Abstract: A cutting device for use with a powered surgical tool includes an outer blade and an inner blade. The outer blade includes a tubular body, an end cap, and a cutting window defined by a beveled edge on the tubular body and the end cap. The inner blade includes a cutting tip. The inner blade co-axially disposed within the outer blade such that the cutting tip is rotatably exposed at the cutting window. The cutting tip has castellations extending toward the end cap of the outer blade and opposing teeth extending radially toward one another across an opening of the cutting tip.

Abstract: A surgical method of removing tissue of a patient includes grasping a surgical cutting instrument. The instrument includes an outer blade including a tubular body, an end cap, and a cutting window defined by an edge on at least the end cap, and an inner blade including a cutting tip, the inner blade co-axially disposed within the outer blade, the cutting tip including a cutting edge extending toward the end cap of the outer blade, wherein the cutting tip is rotatably exposed at the cutting window. The method further includes positioning the cutting window and cutting tip to a target site, supplying fluid through an irrigation pathway to the cutting window and the target site, rotating the cutting tip of the inner blade to selectively cut the tissue, and aspirating fluid and cut tissue.

Abstract: A tissue cutting device that is especially suited for neurosurgical applications is disclosed and described. The device includes a handpiece and an outer cannula in which a reciprocating inner cannula is disposed. The inner cannula includes a hinge between a body section and a cutting section that allows the cutting section to pivot when the inner cannula reciprocates within the outer cannula. A tissue collector is also provided and is in fluid communication with the lumen of the inner cannula. A fluid supply sleeve is disposed about the outer cannula and is selectively positionable along the length of the outer cannula.