Abstract: The present invention relates to an X-ray radiograph apparatus (10). It is described to placing (110) an X-ray source (20) relative to an X-ray detector (30) to form an examination region for the accommodation of an object, wherein, a reference spatial coordinate system is defined on the basis of geometry parameters of the X-ray radiography apparatus. A camera (40) is located (120) at a position and orientation to view the examination region. A depth image of the object is acquired (130) with the camera within a camera spatial coordinate system, wherein within the depth image pixel values represent distances for corresponding pixels.

Abstract: A method and system for accurately localizing a wireless radiographic detector in a radiography system, based on a method to accurately determine distances between a set of generator arrays and sensor arrays. The generator arrays and sensor arrays are preferably orthogonally arranged magnetic field generators and sensors, that allow measurements of distances without being affected by presence of human tissue between the generator and sensor arrays.

Abstract: A heartbeat detection device includes a bone conduction microphone that converts, into a signal, displacement on the body surface of a user in a thickness direction of the body of the user, and an extractor that extracts a first frequency component and a second frequency component which are included in the signal. The first frequency component is based on audio information of the user, and the second frequency component is based on heartbeat information of the user. The heartbeat detection device is capable of estimating the physical and psychological state of the user based on the heartbeat information by extracting both the audio information and the heartbeat information, from a signal that has been output by the bone conduction microphone.

Abstract: An acoustic wave diagnostic apparatus and control method processing for transmitting an ultrasound pulse converging on a focusing position in the same direction of a subject from acoustic wave transducers to be driven, among a plurality of ultrasound transducers included in an ultrasound probe, while sequentially updating the acoustic wave transducers to be driven is performed multiple times for the same ultrasound transducers. An acoustic wave echo signal group is obtained by receiving an ultrasound echo of an observation target position in the ultrasound transducers. An autocorrelation operation is performed on a signal, which is obtained by correcting the positional deviation of an acoustic wave echo signal group based on the positional deviation between the focusing position and the observation target position, and an ultrasound echo signal without positional deviation, and a Doppler shift signal indicating the speed of the observation target position is generated.

Abstract: Provided are an ultrasound diagnosis apparatus connected to wireless ultrasound probes and a method of operating the ultrasound diagnosis apparatus. The ultrasound diagnosis apparatus includes: a communicator connected with a plurality of different wireless probes through a wireless communication method by receiving pairing reception signals from the plurality of wireless ultrasound probes; a controller configured to control the communicator to wirelessly connect the ultrasound diagnosis apparatus with the plurality of wireless ultrasound probes and to wirelessly receive status information regarding the connected plurality of wireless ultrasound probes; and a display configured to display a user interface (UI) indicating the received status information regarding the plurality of wireless ultrasound probes.

Abstract: In one embodiment of the invention, a robotic surgical system includes a combined laser imaging robotic surgical tool, a control console, and a laser generator/controller. The tool is mounted to a first robotic arm of a patient side cart. The tool has a wristed joint and an end effector coupled together. The end effector has a laser-emitting device to direct a laser beam onto tissue in a surgical site and an image-capturing device to capture images of the tissue in the surgical site. The control console, in communication with the tool, receives the captured images of tissue in the surgical site and displays the captured images on a display device to a user. The laser generator/controller is coupled to the tool and the control console to control the emission of the laser beam onto tissue of the surgical site.

Abstract: The present invention aims at providing an ultrasound image diagnostic apparatus capable of shortening the time required for measurement and calculation of an optimal sound velocity and obtaining an ultrasound image having excellent image quality at a tissue or lesion the operator desires to observe. There are provided an element data memory storing element data; a region-of-interest setter setting a region of interest; an optimal sound velocity calculator calculating an optimal sound velocity at the region of interest using the element data corresponding to the region of interest; a reconstruction region setter setting a reconstruction region that contains the region of interest and is larger than the region of interest; and an image reconstructor generating a reconstructed image by reconstructing the ultrasound image in the reconstruction region based on the optimal sound velocity.

Abstract: This invention provides a system and method for providing Indicator Features in high resolution micro-ultrasound prostate images, wherein the ultrasound device operates at a center frequency of 15 MHz and above. Indicator Features are features, which have been identified alone and/or in combination with other features in high resolution micro-ultrasound images, and have been determined to be significantly statistically correlated to either benign tissue or some grade of cancerous tissue on the basis of predictive probabilities. These Indicator Features can be used to train a linear or non-linear classifier, which can be used to classify patient images of the prostate. These Indicator Features can be used to guide a clinician as to where to take a biopsy core from the prostate, as well as assist in diagnosis of the tissue.

Abstract: A method of calibrating an ultrasound probe includes mounting an ultrasound probe onto a calibration system, transmitting an ultrasound test signal from an element of the probe through a test medium of the calibration system, and receiving the test signal on a matrix of hydrophones such that an element's position relative to other elements and other arrays within the same probe can be computed. Further, the system described herein is configured to detect the acoustic performance of elements of a probe and report the results to an end user or service provider.

Abstract: To include a rotating holder 30 that is rotatably arranged in an opening of a casing 10 and detachably holds a part of a sperm sampler, a motor 50 that rotates and drives the rotating holder, a control unit 60, a battery 70, a single switch 20, 67, and an angular speed sensor 61 that detects an angular speed of the casing 10, where the control unit changes a rotation direction and a rotation speed of the motor according to a change in a turning angle of the casing 10.

Abstract: Various embodiments of a cartridge are disclosed, for loading a suture onto a suturing instrument and, in some embodiments, for loading a pre-tied knot formed from the suture onto the suturing instrument. The suturing instrument is typically of the type having a suture passing member defining a suture receiving passage therein. The cartridge may be operable to load the suture and/or the knot onto the suturing instrument at a point of use. In some embodiments, the cartridge defines a path for insertion thereto and withdrawal therefrom of the suturing instrument. The cartridge further comprises a seat for releasably holding a portion of a suture and a mechanism for transferring the suture from seat to the suturing instrument, various features of which are described herein.

Abstract: The present invention is directed to a tool having a wrist mechanism that provides pitch and yaw rotation in such a way that the tool has no singularity in roll, pitch, and yaw. A positively positionable multi-disk wrist mechanism includes a plurality of disks or vertebrae stacked in series. Each vertebra is configured to rotate in pitch or in yaw with respect to each neighboring vertebra. Actuation cables are used to manipulate and control movement of the vertebrae. In specific embodiments, some of the cables are distal cables that extend from a proximal vertebra through one or more intermediate vertebrae to a distal vertebra, while the remaining cables are medial cables that extend from the proximal vertebra to one or more of the intermediate vertebrae. The cables are actuated by a pivoted plate cable actuator mechanism.

Abstract: A tissue retrieval bag includes a brim selectively transitionable between a first configuration in which a bag mouth is biased open and a second configuration in which the brim is compressed. A bag body extends from the brim and defines a pouch for holding a tissue specimen. The bag body includes at least one spine operably associated with the brim. The spine reversibly furls and unfurls the bag body. A first release tab is operably coupled to the brim to contain the brim in the second configuration. The first release tab, upon release thereof, transitions the brim from the second configuration to the first configuration. At least one second release tab is operably coupled to the brim to maintain the bag body furled about the brim. Upon release of the at least one second release tab, the at least one spine unfurls the bag body from the brim.

Abstract: A screw-based retractor comprises an elongate rack having a rack axis, a plurality of arms slidably supported for translational movement on the rack, and a plurality of blades, one each supported by a respective arm at a distal portion thereof. At least one of the arms includes at its distal portion a blade releasably attached thereto. Such blade is attached to a blade receptacle movably attached to the at least one arm in a manner to provide articulation of the blade receptacle and hence the attached blade about an articulation point spaced from and not located on such arm. Such blade is additionally movable relative to the rack in multiple degrees of freedom.

Abstract: An eyelid speculum, a kit containing the eyelid speculum, and a method of using the eyelid speculum in the diagnosis and/or treatment of a patient are provided. The eyelid speculum includes a central ring having an upper surface, a lower surface, an inner side surface, an outer side surface, a first end, and a second end. The first end and the second end are separated by a gap, and the central ring defines an opening. The eyelid speculum also includes first and second eyelid margin holders that extend outwardly from the outer side surface of the central ring at the first end and second end, respectively, where each eyelid margin holder has an upper portion and a lower portion. In addition, the eyelid speculum includes finger tabs that extend upwardly from the upper portions of the first and second eyelid margin holders.

Abstract: An orthopedic distraction device is provided. The orthopedic distraction device includes a first upper paddle for engaging a first bone of a joint, a lower paddle for engaging a second bone of the joint and a displacement mechanism. The displacement mechanism includes a drive assembly operable to move the upper paddle relative to the lower paddle. The lower paddle is releasably connected to the displacement mechanism.

Abstract: A method includes forming a bone tunnel through a first bone and a second bone and inserting a flexible construct through the bone tunnel. The flexible construct includes a first anchoring element and a second anchoring element coupled by at least one flexible strand defining an adjustable loop. The at least one flexible strand includes a first end extending from the first anchoring element in an opposite direction from the adjustable loop. A length of the adjustable loop is adjusted to position the first bone and the second bone in a selected spacing. The first end of the at least one flexible strand is coupled to a tissue section using a third anchoring element.

Abstract: An endoscopic suturing system includes an endoscope, a suturing device, a needle assembly movable through tissue by the suturing device, and first and second devices used in association with the suturing device. The cap assembly includes a rotatable needle arm supporting the needle assembly and actuatable by a proximal handle via a transmission assembly. First and second separate lumen extends outside the endoscope from the cap assembly to a proximal handle to advance instruments therethrough to engage the needle assembly and target the tissue. The cap assembly is retained at an end of the endoscope by a securing arm. The securing arm may be resilient or rotatable. Ancillary clips are also provided about the first and second lumen and transmission assembly to couple them to the endoscope.

Abstract: A closure device for closing an opening in tissue is provided. The closure device includes an elongate member through which needles may be deployed. The closure device also includes a closure element having a foot portion and a needle guide portion. The foot portion and the needle guide portion are each movable between a delivery configuration and a deployed configuration. The foot portion includes cuffs removably mounted thereon and having sutures connected therebetween. The needle guide portion includes needle guide apertures that guide the needles to the cuffs. The needles securely engage the cuffs and draw the cuffs and suture through the lumen wall so that the opening in the lumen wall can be closed with the sutures.

Abstract: Suturing devices and systems used to close openings into a biological structure. The suturing device can comprise an elongate member having a proximal end, a distal end, one or more arms, and one or more needles. One or more sheaths may be used with the device to maintain or substantially maintain haemostasis while the device is used and while a procedure is performed in the biological structure.

Abstract: Suture/needle constructs are disclosed in which either a first round or flat section of suture can be crimped on a needle. If the first section is round, then a transition to flat second section is formed by a braiding machine. After a short space of flat, the braiding machine weaves a bifurcation into the second section, forming third and fourth suture sections. The third and fourth suture sections transition back together again into a woven fifth section at a distance from the needle, which forms a suture loop. This looped section of the suture can then be used for whipstitching a tendon or a ligament graft.

Abstract: An orthopedic fixation system fuses bone, bones, or bone pieces in a predetermined anatomical position. The orthopedic fixation system includes an implant that transitions between an unconstrained shape and a constrained insertion shape, a drill guide, first and second K-wires, and a cannulated drill bit. The drill guide and the first and second K-wires retain the bone, bones, or bone pieces in an anatomical position corresponding with the predetermined anatomical position. The cannulated drill bit fits over the first and second K-wires and drills, respectively, first and second drilled holes into the bone, bones, or bone pieces. After insertion of the implant into the first and second drilled holes, the implant attempts to transition from its constrained insertion shape to its unconstrained shape such that the implant continuously compresses the bone, bones, or bone pieces thereby holding the bone, bones, or bone pieces in the predetermined anatomical position.

Abstract: The present disclosure is directed to a testing systems and methods for testing a powered surgical instrument. The powered surgical instrument includes a processor configured to control operation of the powered surgical instrument, a memory configured to store a tissue compression program, a reload configured to clamp tissue, a motor configured to control the reload to apply a compressive force to the tissue by the reload, and at least one sensor configured to measure a current draw on the motor. The processor executes the simulation program to measure the current draw on the motor through a nominal thickness firing and the measured current draw is used to adjust the tissue compression program.

Abstract: A buttress is applied to an end effector of a surgical stapler. The buttress is loaded on a platform of a buttress applier cartridge. The end effector is closed upon the platform. An adhesive layer of the buttress secures the buttress to the end effector. The buttress is thus adhered to the end effector when the end effector is opened. The end effector is then actuated on tissue of a patient, thereby stapling the buttress to the tissue.

Abstract: A sterile packaging assembly configured to receive a surgical instrument is disclosed. The sterile packaging assembly comprises a vacuum-molded tray and a particulate trap. The vacuum-molded tray comprises an instrument cavity configured to receive the surgical instrument, and a trap cavity. The particulate trap is positioned in the trap cavity. The particulate trap comprises a housing including a funnel shaped side terminating in an opening. The opening is in communication with a chamber defined in the particulate trap.

Abstract: A staple for attaching a sheet-like implant to tissue or bone may include first and second arms, and first and second flukes. In some embodiments, the first arm has a proximal end and a distal end, and the second arm has a proximal end and a distal end. A bridge extends from the proximal end of the first arm to the proximal end of the second arm. The first fluke has a proximal end abutting the distal end of the first arm, and the first fluke extends distally from the first arm. The first fluke has a lateral extent larger than a lateral extent of the first arm and is mounted eccentrically thereto. The first fluke includes a proximal surface projecting at an outward angle in a proximal direction away from the distal end of the first arm to engage the tissue or bone when inserted therein. The second fluke has similar features. This arrangement causes the first and second flukes to rotate in response to a pullout force on the bridge.

Abstract: A method is used to manufacture an end effector of a surgical instrument. The end effector includes first and second opposing jaws. The first jaw includes a body and an elongate cap. The method includes providing the elongate cap and the body of the first jaw of the end effector. The body includes an elongate channel and at least one alignment feature. The method also includes aligning the elongate cap with the elongate channel that extends completely through the body using the at least one alignment feature of the body that is disposed adjacent the elongate channel. The method also includes welding the elongate cap onto the body to at least partially enclose the elongate channel.

Abstract: Various examples are directed to systems and methods for operating and controlling a modular surgical instrument comprising an operating mode. A controller may receive electrical signal associated with an activation of at least one user-actuated input device electrically coupled to the controller and override the operating mode of the surgical instrument upon receiving the electrical signal.

Abstract: An end effector for use with a surgical instrument is disclosed. The end effector comprises a first jaw, a second jaw moveable relative to the first jaw between an open position and a closed position, a staple cartridge, a wedge sled, and a coupling member. The staple cartridge comprises a cartridge body, a channel pan, and a cartridge channel. The cartridge body comprises staples, staple drivers, and a cartridge body slot. The channel pan comprises a channel pan slot and a proximal cutout section. The wedge sled is configured to engage the staple drivers and eject the staples from the cartridge body. The coupling member is configured to translate within the cartridge body slot and the channel pan slot. The coupling member is configured to move the second jaw toward the closed position. The coupling member comprises a laterally projecting portion configured to pass through the proximal cutout section.

Abstract: A surgical stapler includes a jaw assembly at a distal end connected to a handle assembly that is configured to control the stapler and actuate the deployment of staples. The surgical stapler successfully eliminates intermediate caming portions commonly known as pushers that are located between the staples and a translating slider. The staples are located in pockets at an angle such that the base of the staple is parallel to an angled caming surface of the slider. The translating slider comes into direct contact with staples during deployment as the slider moves through each staple pocket where staples are partially supported by recesses along the slider pathway. The staples are deployed at an angle against the anvil surface. Because there are no pushers, a great deal of space is saved resulting in a much smaller diameter surgical stapler that is particularly suitable for laparoscopic stapling applications.

Abstract: A surgical stapling instrument comprising a housing, an end effector, and a firing system is disclosed. The end effector comprises a first jaw, a second jaw, and a replaceable staple cartridge. The first jaw is rotatable relative to the second jaw. The firing system comprises a firing actuator, a firing member movable from an unfired position toward a fired position during a firing stroke, and an electric motor operable by the firing actuator to advance the firing member through the firing stroke and retract the firing member back into the unfired position during a retraction stroke. The firing actuator is operable to slow the retraction stroke.

Abstract: Surgical clips and surgical applicators used in performing rapid tissue closure in either minimally invasive surgeries or traditional open procedures are provided. In one example approach, a surgical clip comprises opposing sides extending from a top portion and terminating at tips positioned below the top portion. The resting position of the clip is its closed position, and in the closed position, the tips are set at a first distance apart. Each side has a cut-out (or hole or aperture) opposite one another. Each cut-out is fully surrounded by the side and does not extend to the top or tips. Each cut-out is configured to engage an inwardly turned hook at the end of a clip array or clip applicator such that the sides bend outwardly away from each other when pressure is applied on the top portion of the clip, thereby placing the clip in an open position.

Abstract: Force modulating tissue bridges, and associated applicators, kits and methods are provided. A force modulating tissue bridge can be a medical article for at least partially covering a wound and/or scar tissue. The medical article can include an elastic arch extending over an area, and a medial strut connected to the arch and extending into the area over which the central section extends.

Abstract: Incision and closure surgical device containing a guide for cutting instruments and a sutureless wound closure mechanism. A stick-to-skin tape has a central slit whose edges are reinforced by two strips that delimit a central incision groove. A removable central partition maintains a constant separation between the elastomeric strips before making the incision. A series of transverse conduits pass through the elastomeric strips and serve for drainage of the wound and for coupling the closing mechanism of the device. At the conclusion of the surgery, a removable pressure or magnetic closure comprises two bilateral flexible strips that are hooked together to approximate the elastomeric strips while facing the edges of the underlying wound. A complementary removable adapter element for laparoscopic surgery serves as a support for a trocar and as a gas containment valve. Another complementary removable adapter element serves as an ogive-shaped cutting guide for cutaneous excisional surgery.

Abstract: A method for forming a staple against an anvil of a surgical stapling instrument is disclosed. The staple comprises a base defining a drive plane, a first leg, and a second leg. The first leg and the second leg are in a forming plane. The method comprises deploying the first leg from a staple cavity defined in a staple cartridge positioned in the surgical stapling instrument into a first forming pocket of the anvil, supporting the first leg by a first cavity extension, forming the first leg in the first forming pocket along a first path which is outside of the drive plane, deploying the second leg from the staple cavity into a second forming pocket of the anvil, supporting the second leg by a second cavity extension, and forming the second leg in the second forming pocket along a second path which is outside of the drive plane.

Abstract: A sleeve for enforcing the end of a hollow organ so that it can be connected with a further end of a hollow organ, the sleeve comprising a cylindrical shape and being configured to be pushed over the end of the hollow organ and for turning-over the end of the hollow organ projecting from the sleeve around an end of the sleeve, wherein the sleeve has an adjustable diameter.

Abstract: An apparatus includes a handle assembly having a body, a shaft assembly having an outer tubular member extending distally from the body, an end effector, an anvil, and a trocar latch assembly. The end effector includes a staple deck fixed relative to the outer tubular member, a staple driver that can actuate relative to the staple deck between an unfired position and a fired position, and a trocar that can actuate relative to the staple deck and the staple driver, the anvil can couple with trocar to move relative to the staple deck to define a gap distance. The trocar latch assembly includes a locking body that can actuate between an unlocked configuration and a locked configuration in response to the staple driver actuating between the unfired position and the fired position. The locking body can selective fix the trocar relative to the staple deck in the locked position.

Abstract: A surgical anvil assembly for use with a circular stapling instrument includes an anvil center rod defining a longitudinal axis and an anvil head pivotally coupled to the anvil center rod and movable between a first operative condition and a second tilted condition. The anvil assembly further includes a locking assembly configured to selectively lock the anvil head in each of the first and second conditions.

Abstract: A surgical string applicator for anastomosis surgery is provided. The surgical string applicator includes an elongate shaft; a string applying assembly including a pair of opposing jaws connected to the elongate shaft, each jaw having an opening at its distal end, one or more surgical strings housed in the jaws in a form of an open loop with one end of the surgical string at the distal end of one jaw and an opposing end of the surgical string at the distal end of the other jaw, and a string fastening mechanism adapted to engage and fasten the surgical string around a tubular organ; and a handle portion including control mechanisms adapted to open and close at least one of the jaws and to actuate the string fastening mechanism. Further provided is an intra-lumenal position guide to be used together with the surgical string applicator.

Abstract: Treatment of an aneurysm or other vascular defect can be facilitated or enhanced by an implant delivered with a thermally activated detachment system. A delivery system can include an implant with a proximal portion that defines a port. A pusher device can include arms extending distally from a junction of the pusher device and through the port, with distal sections of the arms disposed within the implant. The arms can, at a certain temperature, transition from engagement with the implant to a shape that facilitates release of the implant. Additionally or alternatively, a coil can engage an outer surface of the implant at the proximal portion and transition to a shape that facilitates release of the implant.

Abstract: An endovascular surgical tool may include a flexible, electrically-conductive delivery tube, a return conductor, a resistive heating element attached to the distal end of the delivery tube, and a therapeutic payload attached to a loop of the resistive heating element by a coil connecting member. The delivery tube may include at least one segment at its distal end which includes a plurality of transverse slots. Each slot of the plurality of slots includes an origin on the perimeter of the delivery tube, a terminus closer to a central axis of the delivery tube than the origin, and a depth between the origin and terminus. The origins of at least two slots of the plurality of slots may be located at different angular positions relative to the central axis. The return conductor may be electrically insulated from and positioned within the delivery tube.

Abstract: Concepts related to embolic delivery, including embolic detachment systems and an embolic pusher retention mechanism/system are discussed.

Abstract: A device for treating an aneurysm by releasing an implanted implant from a delivery system at a treatment site can include a braided implant attached to a releasing component that can be detachably engaged with a delivery tube and a pull wire. The releasing component can engage the delivery tube in a compressed configuration via friction fit and can disengage the delivery tube by expanding to a released or deployed configuration. The pull wire can have an extending portion that can engage the releasing component and an elongated portion that can be pulled to disengage the releasing component. The braided implant, once implanted, can be released from the delivery tube by disengaging the pull wire from the releasing component and disengaging the releasing component from the delivery tube.

Abstract: Described herein are compositions comprising, a polymer; a non-physiological solution; and a visualization agent; wherein the polymer is soluble in the non-physiological solution and insoluble at physiological conditions. Methods of preparing the compositions are disclosed as well as methods of using these compositions to treat vascular conditions.

Abstract: A handle assembly for use with a surgical instrument includes a housing, a movable handle, and a plunger assembly. The plunger assembly is disposed at least partially within the housing. The plunger assembly includes a proximal portion defining a longitudinal axis, a distal portion and a biasing element. The biasing element is positioned between a part of the proximal portion and a part of the distal portion. Distal translation of the distal portion of the plunger assembly relative to the housing is configured to affect a function of the surgical instrument.

Abstract: A rotation knob assembly for a surgical instrument includes an outer knob, an intermediate collar, an inner sleeve, a retaining clip, and screws. The outer knob defines a knob lumen extending longitudinally therethrough and longitudinal apertures disposed in radially spaced relation relative to a distal lumen portion of the knob lumen. The intermediate collar is disposed within the knob lumen and defines a collar lumen extending longitudinally therethrough. The inner sleeve is disposed within the knob lumen and extends through the collar lumen. The retaining clip includes a curved body disposed within an annular groove defined in an exterior surface the inner sleeve and prongs disposed at opposed ends of the curved body that are aligned with the longitudinal apertures of the outer knob. The screws extend through the prongs and into the longitudinal apertures to secure the outer knob and the inner sleeve with one another.

Abstract: An orthopaedic surgical instrument includes a customized patient-specific surgical instrument having a body. A cutting guide slot extends through the body. A pair of first arms extends posteriorly from the body. Each arm includes a first customized patient-specific negative contour configured to receive a portion of a first corresponding positive contour of one of a patient's femoral condyles. A second arm extends proximally from the body. The second arm has a second customized patient-specific negative contour configured to receive a portion of a second corresponding positive contour of an anterior surface of the patient's femur. A method of performing a surgical procedure is also disclosed.

Abstract: A system, method, and device for drilling holes (420, 422) in a target bone (414) are described. For example, the system includes a cutting tool (330), a navigation system (310) configured to track a position of the cutting tool, and a computer-assisted surgical (CAS) system (340) operably connected to the cutting tool and the navigation system. The CAS system can be configured to determine an implant component (100) to be implanted on the target bone (414), determine a cutting block position for preparing the target bone to receive the implant component, determine a plurality of pin locations (420, 422) for securing the cutting block (416) based upon the determined cutting block position, and selectively provide instructions to the cutting tool to cut a hole when the cutting tool is in a position adjacent to at least one of the determined plurality of pin locations.

Abstract: A guide for a bone cut comprises a guide base having an inner wall defining an opening. The inner wall has a plurality of detents distributed around the opening. The guide base has a proximal surface adapted to contact a skin of a person. An inner collar has one or more spring loaded devices extending outward from the inner collar in opposite directions. The inner collar is mountable with the spring loaded devices fitting within one or more of the plurality of detents. The inner collar has an inner wall defining a bore for receiving a cutting tool. The inner collar is configured to pivot the cutting tool about an axis, for cutting a bone. The axis lies along or parallel to a line along which the spring loaded devices lie.

Abstract: A system for removal of blood or thrombus includes an aspiration catheter having an elongate shaft including an aspiration lumen having proximal end configured to couple to a vacuum source, and a distal end having an orifice, an elongate member configured for placement through the aspiration lumen and having a distal portion including a disruption element configured to disrupt thrombus within the aspiration lumen, and a monitoring device configured for removable connection in between the aspiration catheter and the vacuum source, and including a housing, a pressure sensor in fluid communication with an interior of the housing, a measurement device coupled to the pressure sensor and configured for measuring deviations in fluid pressure, and a communication device coupled to the measurement device and configured to generate an alert signal when a deviation in fluid pressure measured by the measurement device exceeds a pre-set threshold.