Abstract: Non-expandable space-occupying devices for treating voids within the body are disclosed. The devices can have multiple non-expandable space-occupying elements connected to a flexible leader. Methods of making and using the devices are also disclosed.

Abstract: A device for implanting a prosthesis 12 in a body tissue equipped with a tubular element 7, within which a prosthesis 12 can slide, and a pressure element 16 for moving said prosthesis 12. The device also comprises a cartridge 5 provided with a seat 31 at its interior, such seat housing the prosthesis 12 and movable under the action of a pusher element 13 from a first position, in which the seat 31 is not facing the tubular element 7, to a second position, in which the seat 31 is in communication with the tubular element 7 in order to allow the insertion of the prosthesis 12 inside the tubular element 7 upon command of the pressure element 16.

Abstract: The present disclosure relates to a saw, comprising a drive, a first blade configured to oscillate about an axis perpendicular to a plane defined by a surface of the first blade, a second blade configured to oscillate about an axis perpendicular to the plane in a direction opposite to that of the first blade, and wherein gearing is provided between the drive and the first and second blades to reduce the speed transmitted from the drive to the blades. A saw blade, a connection mechanism for connecting a blade to a saw and associated methods are also provided.

Abstract: An instrument for attachment to a bone is disclosed herein. The instrument comprises a body portion providing a cutting guide. At least one hole extends through the body portion. The at least one hole includes a first portion configured to engage a handle. The at least one hole further includes a second portion configured to pass a bone engaging member having a shaft, such as a bone pin or a bone screw. The second portion of the at least one hole is not configured to pass the handle. The handle and the bone engaging member may be provided in various configurations. For example, the handle may be releasably connected to the shaft in a cannulated relationship. In another embodiment, the handle is integrally connected to the shaft.

Abstract: The present application discloses a quick-action coupling (100) for a rotary surgical tool having a rotary shaft (20), in the distal end surface of which there is formed a tool receptacle (24) which is adapted to receive a rotary surgical tool for conjoint rotation. The rotary shaft (20) has, in the region of its distal end (21), at least one radial protrusion (22) and at least one radial aperture, wherein a locking body is arranged in the at least one aperture, said locking body being movable in the radial direction with respect to the rotary shaft (20). A sleeve (10), the proximal end of which is pushable over the distal end (21) of the rotary shaft (20), is additionally provided in the quick-action coupling.

Abstract: A rasp for shaping a bone is provided. The rasp includes a housing, a driving mechanism, a first gear assembly, two linkage units and two blades. The housing has a channel along a first axis. The driving mechanism has an output gear rotating about the first axis. The first gear assembly rotates about a second axis and is driven by the output gear. The first gear assembly has a first and a second rotation surfaces. A first and a second connection points are respectively located on the first and the second rotation surfaces. The linkage units slidably pass through the channel. The first end of each of the linkage units is pivotally connected to the corresponding connection point, such that the second ends move along the first axis in a reciprocating manner. The blades are respectively and detachably connected to the second ends.

Abstract: A device for guiding a drilling of a femoral head of a femur in femoral head resurfacing comprises a body defining a guide channel adapted to receive and guide a drilling component therein. Arms are pivotally connected to the body and biased toward one another, the arms each having a contact end extending below the body, the contact ends adapted to contact a femoral neck when the body is in a hovering position relative to the femoral head. Sensors produce a signal indicative of an orientation angle of each of the arms relative to the body. A processor unit calculates the orientation angles of the arms from the signal, and evaluates from the orientation angles an alignment of the body relative to the femur. A visual output produces a visual signal representative of said alignment. A method for aligning a drill guide device on a femur for subsequent drilling a femoral head with a guide channel in the drill guide device is also provided.

Abstract: An ultrasound catheter has an elongate flexible catheter body having a lumen extending longitudinally therethrough, and an ultrasound transmission member extending longitudinally through the lumen of the catheter body. The ultrasound transmission member has a proximal end that is coupled to a separate ultrasound generating device, and a distal tip that is attached to the distal end of the ultrasound transmission member and which is located at the distal end of the catheter body. The distal tip has at least one dimensional step. The ultrasound transmission member is directly attached to the catheter body and/or to a guidewire tube, either directly or via an attachment device. The catheter has an additional radiopaque marker positioned on the distal end the catheter.

Abstract: Medical devices which are adapted to be implanted into a patient for a limited period of time using minimally invasive insertion procedures for dilating a stenotic opening, such as a stenotic sinus opening, are provided. The devices and methods can be used for treating sinusitis and other nasal and/or sinus disorders.

Abstract: An atraumatic microsurgical forceps may include a handle having a handle distal end and a handle proximal end, an outer hypodermic tube having an outer hypodermic tube distal end and an outer hypodermic tube proximal end, a surgical blank having a surgical blank distal end and a surgical blank proximal end, and a plurality of atraumatic forceps jaws of the surgical blank each atraumatic forceps jaw of the plurality of atraumatic forceps jaws having an atraumatic forceps jaw distal end and an atraumatic forceps jaw proximal end. A compression of the handle may be configured to gradually close the plurality of atraumatic forceps jaws wherein the plurality of atraumatic forceps jaws initially contact at the atraumatic forceps jaws distal ends.

Abstract: A tissue resection device may include an hourglass shaped burr to resect tissue according to the shape and curvature of the hourglass shaped burr. The tissue resection device may also include a depth stop window and a movable protective guard to control the amount of cutting.

Abstract: A medical device and related method of use for resecting a tissue. The medical device may include an elongate member having a proximal end, a distal end, and a lumen extending therebetween. The elongate member may include a distal portion defining a cavity having an opening. In addition, a mechanism may be configured to adjust a volume of the cavity by altering a depth of the cavity.

Abstract: An apparatus for operating on tissue comprises a body, an elongate shaft, an end effector, a compression member, and a firing beam. The end effector has a pair of jaws configured to open and close along a first plane. The end effector is capable of delivering RF energy to the tissue. The compression member is configured to drive the jaws to a closed position once the compression member has been distally driven into the end effector. The compression member is substantially inflexible along the first plane yet is flexible along a second plane that is transverse to the first plane. The firing beam is operable to sever tissue captured within the end effector. The compression member may be actuated distally to close the jaws upon tissue and provide uniform compression of the tissue along the length of the jaws before the firing beam is advanced through the tissue.

Abstract: A tissue resection cap assembly configured to be secured to the distal end of an elongated medical device, such as an endoscope, and a method for resecting tissue. The cap assembly may include a cap structure comprising a working channel and a resection device channel, wherein the resection device channel extends inside the cap structure to a resection device track positioned substantially around the working channel adjacent the distal end of the cap structure. The resection device channel is adapted to direct a resection device from the working channel of the endoscope to the resection device track. The cap assembly further includes one or more ligation bands on the outside surface of the cap structure and a trigger line for deploying the ligation bands from the distal end of the cap structure. The method includes deploying a ligation band around tissue and using a resecting loop to cut the tissue.

Abstract: A laparoscopy tool includes a sheath and a control wire slideably disposed within a lumen of the sheath. The sheath has a diameter of less than 1.6 mm and is introduced through an abdominal incision. A handle axially displaces the control wire within the lumen and operates a conventional tip with wire-controlled opposing jaws that is introduced through the umbilicus and has a bore formed in its trailing end. A first set of blades in the bore engage grooves formed in the leading end of the control wire and a second set of blades engages the sheath to prevent sheath retraction. A cam displaces the second set of blades away from the sheath for sheath introduction and removal, and toward the sheath to prevent sheath retraction. The tip is removed through the umbilicus and the tool is removed through the abdominal incision when the surgery is completed.

Abstract: A method and device for the treatment of hypertrophic cardiomyopathy. The device includes a cutting device for resection of a thickened myocardium. The operator positions the cutting device adjacent to the myocardium that is to be resected and then slides a tubular blade within an outer shell of the cutting device to resect the septum.

Abstract: A surgical system includes a power supply, a connector, and a surgical instrument having a body assembly, a transmission assembly, a transducer, and a connection assembly. The connection assembly is configured to selectively electrically couple electrodes on the transducer with wires of the connector. The connection assembly may be operable in response to actuation of a trigger. Various connection assemblies include an extensible member that extends to contact an electrode, a rotatable member that rotates a contact into contact with an electrode, a solenoid that extends contacts coupled to each end of the solenoid into the electrodes, or a solenoid that translates a frame having contacts towards the electrodes. Alternatively, the surgical instrument may include a connection assembly having a slip ring and a weighted cable end. Still further, the connection assembly may include contacts on a coupleable member that may be decoupled from contacts on the transducer.

Abstract: A catheter includes a catheter body defining first and second lumens, and a wire having first and second segments each with a greater stiffness, and a middle segment with a lesser stiffness. The wire is in an elastically deformed access state where the middle segment extends from an opening to the first lumen to an opening to the second lumen and forms a smaller loop. The wire is adjustable via sliding the first and second segments in opposed directions to an elastically deformed treatment state where the first segment extends from the opening to the first lumen to the opening to the second lumen and forms a larger loop.

Abstract: A thrombus removal apparatus (10) includes a catheter (12) having at its distal end (14) a solenoid coil section (16) within which there is disposed a piercing element (20) made of electromagnetic material. Within the solenoid coil section (16) there is provided a solenoid coil (26) which can be powered to generate an electromagnetic field which causes the piercing element (20) to reciprocate into and out of the coil section (16), in practice to pierce into and fragment a thrombus disposed in a patient's vessel. An aspiration unit may be provided for aspirating thrombus fragments into the assembly (10) for removal from the patient's vasculature. The apparatus (10) is able to remove dense thrombus material from within a patient, which cannot be otherwise removed by means of thrombolytic agents.

Abstract: An atherectomy device with an exchangeable drive shaft is disclosed, having a drive shaft gear at a distal end of the exchangeable drive shaft for meshing engagement with a prime mover gear on the output shaft of the prime mover. The exchangeable drive shaft is inserted into an opening at the distal end of the handle housing and moved axially in a proximal direction. Surface features on at least the prime mover housing and the engageable drive shaft help to align the drive shaft gear with the prime mover gear for meshing engagement.

Abstract: Devices and methods wherein an adapter is used to attach an electromagnetic image guidance component to a medical device such that an electromagnetic image guidance system may be used to track the location of the medical device within the body of a human or animal subject.

Abstract: A surgical access assembly for accessing a cavity of a patient includes a proximal frame member, a distal frame member, and a membrane between the proximal and distal frame members. The proximal frame member is positionable adjacent an external surface of tissue and has first and second frame portions movable between a contracted condition and an expanded condition to expand an opening defined therethrough. The membrane defines a loop disposed about at least a portion of the proximal frame member at a proximal end thereof and is engaged to the distal frame member at a distal end thereof. The membrane is transitionable between a crumpled condition and an extended condition upon transitioning of the proximal frame member between the contracted condition and the expanded condition.

Abstract: A lead introducer includes an outer needle with a sharpened distal tip and an open channel extending along an entire length of the outer needle. An inner needle slides along the open channel of the outer needle. The inner needle includes a blunt distal tip. A biasing element is coupled to the inner needle and facilitates transition of the inner-needle distal tip between a distally-biased position, where the inner-needle distal tip obstructs the sharpened outer-needle distal tip, and a retracted position, where the inner-needle distal tip exposes the sharpened outer-needle distal tip. A splittable member is disposable over the outer needle when the inner needle is disposed in the open channel of the outer needle. The splittable member is separatable from the inner and outer needles along at least one perforated region.

Abstract: An instrument fixation device includes a retaining ring, a ball joint disposed within and movable relative to the retaining ring, and a locking mechanism. The ball joint defines a channel configured to receive an instrument therethrough. The locking mechanism includes a locking sleeve and a lock. The locking sleeve is at least partially disposed within the retaining ring and engages the outer surface of the ball joint. When the locking mechanism is in an unlocked position, the ball joint is free to move within the retaining ring and when the locking mechanism is in a first locked position, the locking sleeve engages the outer surface of the ball joint to fix the ball joint relative to the retaining ring.

Abstract: A uterine manipulator operable to detach the uterus and cervix from the vagina. The uterine manipulator includes a shaft with a first end and a second end, a handle coupled to the first end, and a tip assembly coupled to the second end and adapted for insertion into the uterus. The uterine manipulator also includes a cutting assembly coupled around the shaft and adapted to receive the cervix when the tip assembly is inserted into the uterus. The cutting assembly includes a cup portion and a cutter wire. The cup portion is configured to be positioned at a juncture between the cervix and the vagina and includes with two grooves around its circumference. The cutter wire is configured to be positioned between the two grooves when in a stored position, and then pulled from between the two grooves through tissue at the juncture to cut the tissue.

Abstract: The invention relates to an instrument set for percutaneous stabilization of the spinal column using rods (8) and pedicle screws (1) that have a screw head (3) and a screw shank (4) and a distally open recess (13) for receiving a rod (8), with a screw manipulator (2) through which a central cavity (11) passes axially and which comprises a cylindrical sleeve (20) and a slide (24), wherein the wall of the cylindrical sleeve (20) is divided into two first wall segments (27) by two diametrically opposite and axially extending windows (26) which open out in the proximal end face of the sleeve (20), the proximal ends of the first wall segments (27) form grip elements (28) which, during a screw manipulation, receive between them at least a longitudinal portion of the screw head (3), and the slide (24) is displaceable in the axial direction on the sleeve (20) and is connected to the first wall segments (27) such that it secures these against moving radially apart at least in a proximal end position (E) of displace

Abstract: A spine stabilization system includes at least one bone anchor assembly, the bone anchor assembly including a bone engaging member and a receiver member, wherein the receiver member includes a connecting member cavity, and an elongated connecting member inserted into the connecting member cavity and connected to the receiver member, wherein the connecting member comprises locking features configured to secure the connecting member to the receiver member without the use of a fixation screw extending through a top portion of the receiver member.

Abstract: Exemplary spinal fixation devices, systems, and method are provided for stabilizing vertebrae in a patient's spine. In one exemplary embodiment, methods and devices are provided for coupling one or more bone anchors, such as hooks, screws, etc., and/or one or more spinal fixation elements, such as spinal rods, cables, plates, etc. In certain exemplary embodiments, a cross connector is provided for connecting and stabilizing two bone anchors, a bone anchor and a spinal fixation element, or a bone anchor and bone.

Abstract: An anterior cervical plate system is provided. The cervical plate includes an actuator and two locks located between two holes adapted to receive fasteners. Each lock includes a pair of fingers oppositely disposed from a fastener retaining flange. The retaining flange face the holes and the fingers face each other with the actuator located between the fingers. The actuator includes an elongated body. As the actuator is rotated from an unlocked to a locked position, the elongated body pushes both locks simultaneously outwardly to retain fasteners placed inside the holes. As the actuator is rotated in the opposite direction to an unlocked position, the elongated body catches hooks on the fingers to pull the locks inwardly away from holes. The locks are configured to prevent bone fasteners from backing out of the plate.

Abstract: A spinal joint distraction system for treating a facet joint including articular surfaces having a contour is disclosed and may include a delivery device including a generally tubular structure adapted to engage a facet joint, an implant adapted to be delivered through the delivery device and into the facet joint, the implant comprising two members arranged in opposed position, and an implant distractor comprising a generally elongate member adapted to advance between the two members of the implant causing separation of the members and distraction of the facet joint, wherein the implant is adapted to conform to the shape of the implant distractor and/or the articular surfaces of the facet upon being delivered to the facet joint. Several embodiments of a system, several embodiments of an implant, and several methods are disclosed including a method for interbody fusion.

Abstract: An apparatus is designed to attach an implant to bone in a manner that permits rotational adjustment of the implant about multiple axes prior to securement via the apparatus. The apparatus includes separate rotational and translational fasteners that can be individually locked to independently restrict rotation and translation of the implant relative to the bone. The rotational fastener includes an interpositional member, an expandable engagement member, and a rotational locking member that urges the expandable engagement member to advance along the interpositional member. The resulting expansion of the engagement member causes it to engage the implant. The rotational fastener is slidable along a fixation member implanted in the bone until the translational fastener is applied to restrict relative translation between the rotational fastener and the bone.

Abstract: Instrumentation for fixing at least two spinal vertebrae by pedicle screw type bone anchoring implants and connecting elements via the posterior or posterolateral approach has at least one bone anchoring element designed to be fixed to a vertebra, pre-mounted with a disposable mounting tube and a sterile sealed packaging. A kit of instruments for inserting or removing a spinal implant, has at least two threaded bone anchoring elements, a rod-type or plate-type connecting element mechanically connecting the bone anchoring elements and locking elements for locking the connecting element in position in relation to the anchoring elements, in order to perform all of the surgical procedures relating to the insertion or removal of the implant, all of the required instruments are disposable and packed in a sterile manner in one or several sealed packagings.

Abstract: Apparatus and devices for percutaneously extending an existing spinal construct ipsilaterally with an additional spinal construct in a patient are disclosed. The additional spinal construct comprises a rod connector that includes an elongate additional rod integrally attached thereto. The additional rod is placed through an access port in a first orientation generally parallel to the longitudinal axis of the access port and rotated to a different second orientation generally transverse to the longitudinal axis of the access port. During such rotation the additional rod is moved subcutaneously beneath the skin of the patient from the existing spinal rod to an additional bone engaging implant. In another arrangement, the extension of an existing spinal construct in a minimally invasive procedure comprises a rod connector having an offset support for receiving an additional spinal rod that may be placed laterally interiorly or exteriorly of the existing spinal construct.

Abstract: A tool set for implanting a rod in a human spine in conjunction with bone screws includes a pair of end guide tools that receive opposite ends of the rod in channels and under manipulation by a surgeon facilitate transport of the rod toward the bone screws attached to the guide tools. Each end guide tool includes a laterally extending, rigid, rod holding structure located near a bottom surface thereof. Intermediate guide tools having pass-through slots are utilized to guide the rod to the bone screws at intermediate locations.

Abstract: The present invention is generally directed to intramedullary nails that can include a keel configured for rotational stabilization and/or a multi-sectioned rod configured to apply compression to a fracture.

Abstract: An internal intramedullary fixation device for the stabilization of bone in arthrodesis and fractures of the foot and hand is disclosed. During implantation in the medullary canal of each bone, the device grasps the edges of the canal, stabilizing the bone (internally) during the natural healing process.

Abstract: A bone stabilizing plate includes two plate portions, each affixable to bones of a patient, the plate portions telescoping together with mating rails and grooves. A limiter associated with one of the plate portions sliding engages one a catch associated with the other of the plate portions, when the plate portions are telescoped together, and resists stops telescoping when the plate portions are telescoped a predetermined distance apart. Once the limiter and catch are engaged, the plate portions enable imposition of a minimum compressive force between bones connected to the plates. The limiter is resiliently positioned to deflect into a relief formed in its respective plate portion. A groove positioned proximate the catch enables free telescoping motion limited by the engagement of the catch and limiter, whereby the minimum compressive force between bones is maintained, and Wolfe's Law may apply.

Abstract: A method of mounting a base plate to a biologic material comprising inserting and retaining a threaded nut within a first through hole of a base plate, wherein the first hole is at least partially defined by an interior circumferential wall and the threaded nut comprises a cylindrical inner wall at least partially defining a second through hole; inserting a screw through the first and second through holes so that at least a portion of a threaded shaft extends beyond the interior circumferential wall of the base plate; rotating the screw with respect to the base plate and the threaded nut to operatively engage a head of the screw with the threaded nut; inserting the screw into a biologic substrate; and locking an angular orientation of the screw with respect to the base plate.

Abstract: A kit includes: an implant having a distal end for inserting the implant into the body; and a gripper in the form of a hollow elongate body that is open at at least one end, that is slotted longitudinally, and made, at least partly, of an elastically-deformable material, the slot opening out into the axial cavity of the body, inside which the implant is suitable for insertion, with its distal end projecting from the “distal” end of the body. The kit includes at least one reception sheath for receiving the distal end of the implant in order to separate the implant from its gripper by moving the sheath and the gripper relative to each other in the direction that breaks the alignment between them, the sheath has a bearing seat against which the implant bears both when the implant is inserted in the sheath, and when separated from its gripper.

Abstract: A hypotube based deliver system is used to position one or more elements in position for treatment within the body. The elements may include electrodes, sensors or injection ports or even anchors. The hypotubes may have pre-set shapes or are plastically deformed prior to positioning as they exit a positioning device. There are methods of providing therapy using the hypotubes including mixed mode therapies are also described.

Abstract: A surgical tool includes first and second arms including a finger ring on the back section of each arm. A spring is positioned between the back sections of the arms, with the spring urging the back sections of the arms away from each other. First and second jaws are located on the front section of the first and second arms, with first and second electrodes on the first and second jaws. An irrigation port is located on the first arm connected to an irrigation line leading to one or more irrigation fluid outlets in or adjacent to the first or second electrode.

Abstract: A treatment device for a medical treatment heats a biotissue. The device includes a treatment tool which includes a heat transfer portion and a resistance element, a storage section which stores a time-power list including time-power relations, and a controller. The controller includes a resistance value acquiring section acquiring a resistance value of the resistance element, a power supplying section supplying the power to the resistance element, and a control section. The control section causes the power supplying section to supply a predetermined state detection power in a state detection period, calculates a change of the resistance value in the state detection period, acquires the time-power relation corresponding to the change of the resistance value, and causes the power supplying section to supply the power based on the acquired time-power relation.

Abstract: The present invention relates to open irrigated catheter ablation systems and methods used in connection with open irrigated catheter systems. The systems and related methods can control irrigation fluid flow to obtain temperature responses indicative of temperatures associated with an ablation procedure. Embodiments of the present invention provide irrigated catheter ablation systems having controlled irrigation fluid flow that can be directed at target areas where coagulation is more likely to occur to help minimize blood coagulation and associated problems. The irrigated fluid flow may be regulated in connection with an established or predetermined temperature threshold to improve or better optimize cooling and ablation properties of the system. In embodiments, irrigation flow may be either delayed or intermitted.

Abstract: Methods for therapeutic renal denervation are disclosed herein. One aspect of the present application, for example, is directed to methods that block, reduce and/or inhibit renal sympathetic nerve activity to achieve a reduction in central sympathetic tone. Renal sympathetic nerve activity may be altered or modulated along the afferent and/or efferent pathway. The achieved reduction in central sympathetic tone may carry several therapeutic benefits across many disease states.

Abstract: A sterile surgical drape for protecting a robotic surgical system includes an oblong drape of a clear flexible plastic material, which unfolds from a compact packet. From the proximal side of the main panel of the drape there project two pocket flaps, which are separated by a medial trough. The two pocket flaps are configured to slip over one another and together enclose the top of the control tower in an overlapping fashion, such that the robotic manipulator arms extend on either side of the main panel, while the camera/endoscope arm extends through the medial trough. The open ends of the pocket flaps are folded over to form cuffs, wherein a nurse can insert his/her hand to draw the flap over the top of the tower without touching non-sterile surfaces. The unfolding of the main panel is controlled by adhesive tabs or tear strips, so that the bottom of the panel does not engage the cart's wheels or the floor.

Abstract: In accordance with aspects of the present invention, an instrument guide is provided. An instrument guide according to some embodiments of the present invention includes a channel portion, the channel portion including a plurality of channels through which surgical instruments can be inserted; a lower part mechanically fixed to the channel portion, the lower part including doors to seal each of the channels; an upper part, the upper part mechanically attached to the lower part and including a funnel for guiding the instruments into the plurality of channels; and one or more seals fixed between the upper part and the lower part, the seal(s) having openings corresponding to the channels and sealing against the doors when the doors are closed and sealing against surgical instruments when surgical instruments are inserted into the channels.

Abstract: A robotic catheter system includes a controller with a master input device. An instrument driver is in communication with the controller and has a guide instrument interface including a plurality of guide instrument drive elements responsive to control signals generated, at least in part, by the master input device. An elongate guide instrument has a base, distal end, and a working lumen, wherein the guide instrument base is operatively coupled to the guide instrument interface. The guide instrument includes a plurality of guide instrument control elements operatively coupled to respective guide drive elements and secured to the distal end of the guide instrument. The guide instrument control elements are axially moveable relative to the guide instrument such that movement of the guide instrument distal end may be controlled by the master input device.

Abstract: Provided is an operation input device including a base member; a grip that is gripped by an operator and that is moved relative to the base member; a coupling portion that couples the grip to the base portion in a pivotable manner; and a scaling-ratio changing mechanism that changes an amount by which the grip is moved with respect to a pivoting angle of the coupling portion, and an object thereof is to enable switching operation between a coarse movement and a fine movement by using the same operation.

Abstract: An apparatus may be used to form an opening in a sinus wall. The apparatus comprises a first cutting member and a second cutting member. The first cutting member comprises a helical blade. The second cutting member is slidably disposed about the first cutting member. The second cutting member comprises a sharp distal edge. An outer sheath is slidably disposed about the first and second cutting member. The sheath may be retracted to uncover the helical blade. The second cutting member may be advanced over the first cutting member to form a circular opening in the sinus wall. The sheath may include an obliquely angled distal edge. A cleaning instrument may be used to clean debris from the first cutting member.

Abstract: The invention relates to a surgical instrument (1) comprising a detection means (10) for reacting to at least one external stress (30) emitted by a generator means (15) that generates the stress (30). The invention also relates to the method for producing such a surgical instrument (1). The invention likewise relates to the generator means (15). The invention further relates to a method for detection of the surgical instrument (1) by the generator means (15).