Abstract: Disclosed herein are rotary electric surgical hammer impact tools and methods of use thereof. The rotary electric surgical hammer impact tools can include a too body, a motor located within the tool body, a shaft operatively couple to the motor, a disk hammer element, and a tool holder element. The disk hammer element can be connected to the shaft and include a radial impact projection. The tool holder element can include a shaft configured to support an implement at one end and a C-shaped structure straddling the disk hammer element. Axial movement within the tool body can cause the radial impact projection to impart impacts to the tool holder element.

Abstract: The present invention relates to cartilage morcellator for cutting various kinds of cartilage (including costal cartilage and the like) into small pieces by using an elevating-type cutting knife having a simple configuration such that same can be supplied to a plastic surgery part.

Abstract: A surgical device for removal of dorsal nasal hump, comprising: a handle (1) 30 mm broad, 100 mm long and 10 mm thick; connected to a rounded neck (2), 40 mm long and 5 mm thick; a working end (3), 8 mm broad, positioned at the distal part of a handle (1) where a working end (3) is semicircular from top and flat on the under surface. Under surface of a working end (3) contains two parts: a wrasping part (3A) 30 mm thick, tapered and blunt at tip and a cutting part (3B), 30 mm thick where the cutting part is positioned between a neck (2) and a wrasping part (3A). The cutting part (3B) comprises a collecting chamber (3B1), 10 mm long, 6 mm wide and 3 mm deep and a sharp blade (3B2), 6 mm wide positioned at proximal edge of collecting chamber. A metallic lid (3B3), 20 mm long and 7 mm wide disposed longitudinally where a knob (2A) positioned on the metallic lid (3B3), slides the metallic lid back and forth to cover and uncover the blade simultaneously.

Abstract: A surgical instrument for releasable connection to a surgical tool having two or more sections that are able to articulate 360 degrees in differing increments and directions. The articulation of the sections allows for the distal end to be spatially offset from the proximal, yet maintain parallel longitudinal axes. The surgical instrument includes a force disc at the proximal end upon which a surgeon can exert a linear force which is transmitted to the distal end having a second tool such as a broach firmly attached thereto.

Abstract: An intervertebral implant includes a first endplate member and a second endplate member, and a distal wedge member and a proximal wedge member that couple the first and second endplate members together. The distal wedge member is configured to move in an expansion direction that causes the fusion cage to move from a contracted position to an expanded position.

Abstract: Disclosed are aspects of a hybrid plastic and co-molded metal cutting head and a method of forming same. The method includes forming a metal rasp head having a fluid pathway therethrough and molding an elongated body with support into the rasp head via said fluid pathway wherein the fluid pathway into one or more sides.

Abstract: The application provides a device, method and system for registration. The registration device includes a fixing member; a frame connected to the fixing member, at least one trackable element mounted on the frame; and a collection device connected to the fixing member, wherein the collection device is configured to simultaneously collect multiple point data from an object to be registered. The registration method includes obtaining simultaneously, by a registration device, a point cloud data from a surface of a cartilage of an object to be registered; and performing surface fitting based on the point cloud data to obtain a fitted surface of the cartilage of the object to be registered. The registration system includes the registration device; a first point cloud data acquisition module, configured to receive the point cloud data from the collection device; and a surface fitting module, configured for surface fitting with the point cloud data.

Abstract: An inserter includes a first end, a second end, and a body extending between the first end and the second end. A first impacting surface is disposed at the first end, and a second impacting surface is disposed adjacent to the second end. An interface disposed at the second end and is configured to engage an implant. The first impacting surface is configured to direct a first impacting force along the body of the inserter in a first direction, and the second impacting surface is configured to direct a second impacting force along the body in a second direction that is different from the first direction. Methods of use also are disclosed.

Abstract: Disclosed herein are rasp adapters, rasp systems, and method of use thereof. The rasp adapter can include a body and a retention element. The body can define a body cavity, a handle opening, and a trunnion bore. The retention element can be located within the body cavity and can include a knuckle and a heal. The knuckle can be located proximate to and movable into and out of the trunnion bore. The heal can be located proximate the handle opening. Movement of the retention element due to a force applied to the heal can cause movement of the retention element and movement of the knuckle into the trunnion bore.

Abstract: An orthopaedic surgical instrument may include an elongated body with a proximal end and distal end. A clamp lever may be pivotally coupled to the proximal end of the elongated body. The clamp lever may be moveable between a locked position and an unlocked position. A biasing element may be configured to bias the clamp lever to the locked position.

Abstract: The invention provides a femoral head centre of rotation locating device (10) comprising an adjustable frame (12) having a frame axis (X). The frame includes a central frame portion (14); a first jaw (16) that is linearly moveable relative to the central frame portion along the frame axis and having a first femoral head contacting surface (26); a second jaw (18) that is linearly moveable relative to the central frame portion along the frame axis and having a second femoral head contacting surface (28), and a gear wheel (32) mounted on the central frame portion. The gear wheel has a centric aperture (34) located substantially equidistant from the first and second femoral head contacting surfaces. The gear wheel is operably connected to each of the first and second moveable jaws by gear teeth (30) provided on a surface of each of the first and second moveable jaws.

Abstract: Within examples, a surgical device with an embedded sensor system for performing hip replacements is described. This device mitigates fracturing of the mid metaphyseal/diaphyseal region of the femur, and ensures adequate press-fit of the component into the bone. The device relays information regarding forces experienced by the patient's bone to a separate data acquisition device and displays it on an interface. This information is used by the surgeon to determine the force present inside of the patient's bone during broaching, and can then be used to provide better care, and mitigate fractures due to overloading in the bone.

Abstract: System and methods for stimulating cartilage formation at a first tissue site through a second tissue site is presented. The system includes a fluid source for supplying a therapeutic solution, a reduced pressure source for supplying reduced pressure, a fluid delivery manifold for deploying adjacent the first tissue site, and a vacuum manifold for deploying within the second tissue site. The fluid delivery manifold extends between a proximal end fluidly coupled to the fluid supply and a distal end having at least one aperture for delivering the therapeutic solution to the defect adjacent the articulating surface of the first tissue site. The vacuum manifold extends between a proximal end fluidly coupled to the reduced pressure source and a distal end having at least one aperture for delivering the reduced pressure to the first tissue site adjacent the opposing surface of the first tissue site.

Abstract: The invention provides a surgical device for performing a controlled resection of the neck of a femur during a hip replacement procedure. The surgical device comprises a body portion having: a frame comprising an aperture dimension for receipt of a femoral head of the femur to position the body portion with respect to a centre of the femoral head; a resection guide for indicating a position of a resection plane on the femoral neck, and an arm extending between the frame and the resection guide. The body portion includes a linear alignment surface for alignment with a femoral shaft axis of the femur while the frame is mounted on the anterior or posterior aspect of the femoral head.

Abstract: Technologies for monitoring impaction and predicting impaction state during an orthopaedic surgical procedure include one or more impaction sensors that generate sensor data. The surgical procedure includes impaction of an orthopaedic implement such as a surgical instrument or a prosthetic component. An impaction analyzer generates an impaction state prediction with a machine learning model based on the sensor data. The impaction state prediction may include an unseated state, a seated state, and a fracture state. An impaction state user interface outputs the impaction state prediction. A model trainer may train the machine learning model with labeled sensor data.

Abstract: Kits and methods for use in intraoperative trailing of hip prostheses to determine an appropriate length for the femoral neck component of a prosthetic hip joint, are described. A kit for use in selecting a femoral neck component of an orthopaedic joint prosthesis kit comprises a first (10) and a second (110) broach. Each of the first and second broaches has a neck connection element comprising a projection (12, 112) extending from a proximal surface (14, 114) of the broach, each projection having a length (L). The projection on the first broach has a different length than the projection on the second broach. The kit also includes a trial femoral neck (30) component having a neck connection element in the form of a recess (36) in a distal surface (34).

Abstract: Improved instruments for modifying a shape of a proximal femur of a patient for installation of a stem of a femoral component of a prosthetic hip during hip replacement surgery, comprising a handle including an elongated shaft extending downward approximately in a z-direction, a first offset extending from a bottom of the elongated shaft approximately in a y-direction, a second offset extending from the second offset approximately in an x-direction, and a shaping member elongated downward from the second offset approximately in the z-direction. Provided is an improved femoral broach and an improved osteotome. Also provided is a method of improving a patient's positioning during hip replacement surgery by using a variable configuration mattress for positioning the patient.

Abstract: An intersomatic prosthesis with lateral introduction with a prosthesis body symmetrical along a sagittal plane is provided. The intersomatic prosthesis includes a convex anterior lateral wall along an anterior radius of curvature and a convex posterior lateral wall along a posterior radius of curvature larger than the anterior radius of curvature, a right end wall and a left end wall, and a lower bearing wall and an upper bearing wall open onto an inner space. The lower bearing wall has a central lower portion provided with lower teeth having lower bearing tips defining a lower bearing surface which is planar, and the upper bearing wall has a central upper portion provided with upper teeth having upper bearing tips defining an upper bearing surface which is convex.

Abstract: A surgical instrument for use on a patient's bone is provided and according to one embodiment the surgical instrument comprises a support rod or bar, and a breaking tool that is provided at an extremity of the support rod or bar, which breaking tool comprises a nose and a knife or chisel, wherein between the nose and the knife or chisel a room is provided which is arranged to receive material that is to be removed from the bone, wherein the knife or chisel has at least two surfaces facing the nose, which surfaces merge into a joint crossing line substantially dividing the knife or chisel into two parts on opposite sides of the crossing line, so as to provide a splitting operability to the knife or chisel.

Abstract: A bone milling device for grinding bone during a bone grafting procedure including a pair of opposing dead stops, one or more provided on a rotating plate of a rotatable mill and one or more provided on a stationary plate to prevent adhesion of respective arrays of grinding teeth.

Abstract: A microneedle device includes an elastic sleeve to provide a biasing force and also to provide a fluid impermeable seal. The biasing force urges a barrel from the extended position to the retracted position. As a seal, the sleeve prevents contamination by fluids that may enter the barrel. Additionally, the distal end of the barrel features an undulating (waveform-like) formation to prevent suction buildup between the barrel and a patient's skin.

Abstract: An electrically driven orthopedic impactor may include an adapter for interfacing between the orthopedic impactor and a surgical implement. The adapter may have a first surface that transmits a forward impact energy and a second surface that transmits a reverse impact energy. The adapter can connect to the surgical implement and to the orthopedic impactor without the use of external tools. The adapter may connect to the orthopedic impactor via a pushing motion and may disconnect from the orthopedic impactor via a reciprocal sleeve. A sensor can communicate a spatial orientation of the adapter with respect to at least one reference point that is not located on the adapter or the orthopedic impactor. A communication device may transmit information to the orthopedic impactor related to frequency or impact energy settings based on a type of surgical implement attached to the adapter.

Abstract: A surgical tool with a housing, and a cutter support shaft operably connected to a motor to effect rotation of the shaft with a drive transmission configured between the motor and the shaft to effect oscillating rotary movement of the shaft and cutter is disclosed.

Abstract: A modular femoral prosthesis for use during performance of a hip revision procedure includes a proximal body component, a distal stem component, and a locking bolt. Surgical instruments and methods for use in implanting such a modular femoral prosthesis are disclosed.

Abstract: A system for facilitating the removal of a prosthetic hip implant from a femur. The explant system has at least one blade coupled to a handle. The shape of the blade conforms to a portion of the implant so that a cutting tip of the blade can be positioned in a desired position relative to the implant and the femur. A plurality of blades can be provided, each blade configured to conform to a different portion of the implant. Force is applied to the handle so that the cutting tip of the blade cuts through bone growth from the femur into the implant, thereby facilitating removal of the implant.

Abstract: The invention relates to a medical instrumentarium, in particular for implanting a hip joint stem, comprising a rasp instrument with a rasp shank defining a longitudinal axis, which rasp shank has an anterior side face, a posterior side face, a medial side face, and a lateral side face, wherein the side faces at least partially have rasp teeth which are formed running parallel to each other and circumferential or at least partially circumferential with respect to the longitudinal axis, wherein the rasp instrument comprises a rotational stabilization device for increasing a rotational stability of the rasp shank driven into a bone cavity, in particular a femur cavity.

Abstract: The invention provides an osteotome which includes a curved guide member extending distally from its medial side. This curved guide member interfaces with the medial curvature of the femoral canal. The guide member guides the osteotome using the internal bone geometry of the femoral canal instead of relying on external anatomical landmarks.

Abstract: The present disclosure provides reaming apparatuses. The reaming apparatuses can comprise a base guide, a reamer, and a reamer driver. The base guide can define a base guide through bore and a base guide articulating surface. The base guide articulating surface can be oriented at an angle relative to the base guide through bore. The reamer can define a reamer articulating surface operable to allow rotation of the reamer on the base guide articulating surface. The reamer driver can operate with the reamer to cause rotation of the reamer when the reamer driver rotates.

Abstract: A set of surgical instruments for an artificial hip joint implant and, more specifically, a set of improved surgical instruments, can be used in direct anterior approach hip replacement surgery and are capable of minimizing damage, such as muscle damage, which may arise during surgery, by resolving problems that existing surgical instruments possess.

Abstract: A bone material removal device, including a tubular element comprising a proximal end and a distal end, a shaft received within the tubular element and comprising a proximal end and a distal end, a cutting tooth movably coupled to the distal end of the shaft and a shaft displacement actuator at the proximal end of the tubular element rotatably coupled to the shaft, wherein at least partial rotation of the actuator in a first direction brings the cutting tooth to travel from a closed retracted position to an open extended position.

Abstract: A bone removing device. The device includes a gearing mechanism and a bone removing device housing containing the gearing mechanism. A first non-oscillating surface is operably connected to the gearing mechanism and a first oscillating rasping surface is operably connected to the gearing mechanism. When the gearing mechanism of the bone removing device is operated, the first oscillating rasping surface is oscillated. The first non-oscillating surface may comprise a rasping surface.

Abstract: A method of implant a knee prosthesis includes forming a bone void at an end of a bone, implanting a void filler in the bone void, and implanting a knee prosthesis onto the end of the bone so that a stem of the knee prosthesis is received by the void filler.

Abstract: A bone preparation system, such as a broach, includes at least a first member and a second member. The first member and the second member may be connected. Both the first member and the second member, when attached to the first member, are configured to directly contact and broach an anatomy.

Abstract: The ultrasonic probe for a shoulder joint includes a curved extending section curved to a probe main body toward a first intersecting direction intersecting a longitudinal axis. The curved extending section includes a first curved outer surface facing the first intersecting direction, a second curved outer surface facing a second intersecting direction opposite of the first intersecting direction, a third curved outer surface facing a first width direction perpendicular to the first and second intersecting directions, and a fourth curved outer surface facing a second width direction opposite of the first width direction. A cutting surface on the second curved outer surface is different from a cutting surface on each of the third curved outer surface and the fourth curved outer surface in extending pattern of the grooves.

Abstract: An instrument holder and grip for detachably connecting to a medical instrument, which has a basic body with a grip section and a connecting section for connecting to the medical instrument. A locking means movable from a release position into a locking position is provided in the connecting section for locking the medical instrument on the connecting section. The instrument holder and grip has lever elements connected together and each mounted pivotably on the basic body. A first element has an actuating lever arm and a second element moves the locking means. The holder permits significantly simplified cleaning and sterilization after use, while continuing to provide a reliable holding effect on the instrument. It is possible to dismantle the instrument holder into a few easily cleaned parts with a few simple actions and without small parts such as connecting pins or similar.

Abstract: An object of the invention is to provide an endoscope capable of continuously grasping a direction which a distal end portion of an endoscope faces even when a bending operation is performed. The endoscope of the invention is provided with: a first image pickup optical system provided at a distal end of an insertion portion; a bending portion provided in a vicinity of a distal end portion of the insertion portion and configured to be bendingly operated by a proximal side operation; and a second image pickup optical system disposed on the bending portion and configured so that the distal end of the insertion portion is included within a field-of-view angle.

Abstract: A method of using an orthopedic surgical instrument assembly that includes an instrument handle configured to clamp a broach and femoral stem trial assembly. A depth stop is configured to removably couple to the instrument handle. When the broach and femoral stem trial are advanced into a medullary canal of a patient's femur, a substantially planar proximal surface of the depth stop is configured to engage the distal surface of the femur, determining the depth of the broach in the medullary canal. The proximal surface of the depth stop is parallel to the joint line, defining an oblique angle to the anatomical axis of the femur. The depth stop may be attached to the instrument handle at a number of positions to control the depth of the broach. The assembly may include a spacer plate removably coupled to the depth stop that distalizes the broach in the medullary canal.

Abstract: Improved instruments for modifying a shape of a proximal femur of a patient for installation of a stem of a femoral component of a prosthetic hip during hip replacement surgery, comprising a handle including an elongated shaft extending downward approximately in a z-direction, a first offset extending from a bottom of the elongated shaft approximately in a y-direction, a second offset extending from the second offset approximately in an x-direction, and a shaping member elongated downward from the second offset approximately in the z-direction. Provided is an improved femoral broach and an improved osteotome. Also provided is a method of improving a patient's positioning during hip replacement surgery by using a variable configuration mattress for positioning the patient.

Abstract: An orthopedic surgical instrument assembly includes a system handle configured to clamp a broach and femoral stem trial assembly. The system handle includes a clamp lever and a release lever both pivotally coupled to the system handle, and a leaf spring connecting the clamp lever and the release lever. When the release lever is moved from an unclamped position to a clamped position, the leaf spring is put in tension, and the clamp lever engages a flange of the broach, securing the broach to the system handle. Methods of assembling the system handle are described and claimed.

Abstract: A total hip femoral prosthesis provides a shortened neck and more proximal coating level. Additionally, a means for strengthening the neck may be incorporated to increase stress transfer to the native bone. A method for reducing potential impingement that results from a high neck resection level includes instrumentation for cutting chamfered surfaces into the bone surrounding the proximal end of the implant. Instrumentation and methods of creating chamfered cuts are disclosed.

Abstract: A surgical file instrument including a surgical file assembly having an elongated tubular member with a guide/shield supporting the blade of the surgical file and being formed on the distal end thereof, the guide/shield portion being generally planar shaped and having an elongated longitudinally extending dimple defining a rail for guiding said blade and keeping it central and preventing wobbling. The side edges of said guide/shield extend upwardly and bear against the underside of the blade for supporting the same.

Abstract: Tools adapted for spinal distraction are provided. More specifically, tools having an elongate shaft connected to a head portion are provided for imparting a force for displacing vertebral bodies. The tools may comprise features, such as textured surfaces or the ability to transmit pressure, for cleaning and preparing a spinal disc space for subsequent tools and procedures. A plurality or set of distraction tools is contemplated where the plurality of tools is made up of tools having various distinctions from one another. Such distinctions may be in the way of length, width, angle, and other geometric features or may comprise differences in materials or additional features.

Abstract: A surgical rasping and/or shaving system functions in multiple orthopedic applications, including but not limited to shoulder, knee, hip, wrist, ankle, spinal, or other joint procedures. The system may comprise a tissue removal member with a rasping and/or shaving head which may be low profile and offer a flat cutting/rasping/shaving surface, or with a cutting head with at least one cutting edge. The tissue removal member is configured to be driven by an attached hub that translates a rotational movement into a reciprocating motion. Suction for removal of bone fragments or other tissues is provided through an opening spaced apart from or adjacent to the rasping surface. A radiofrequency ablation (RF) electrode may be carried on the system to provide ablation or coagulation of soft tissues.

Abstract: An orthopaedic surgical instrument assembly includes an instrument handle configured to clamp a broach and femoral stem trial assembly. A depth stop is configured to removably couple to the instrument handle. When the broach and femoral stem trial are advanced into a medullary canal of a patient's femur, a substantially planar proximal surface of the depth stop is configured to engage the distal surface of the femur, determining the depth of the broach in the medullary canal. The proximal surface of the depth stop is parallel to the joint line, defining an oblique angle to the anatomical axis of the femur. The depth stop may be attached to the instrument handle at a number of positions to control the depth of the broach. The assembly may include a spacer plate removably coupled to the depth stop that distalizes the broach in the medullary canal.

Abstract: A surgical rasping system functional in multiple orthopedic applications, including but not limited to shoulder, knee, hip, wrist, ankle, spinal, or other joint procedures. The system may comprise a tissue removal member with a rasping head which may be low profile and offer a flat cutting/rasping surface, or with a cutting head with at least one cutting edge. The tissue removal member is configured to be driven by an attached hub that translates a rotational movement into a reciprocating motion. Suction for removal of bone fragments or other tissues is provided through an opening spaced apart from or adjacent to the rasping surface. A radiofrequency ablation (RF) electrode may be carried on the rasping system to provide ablation or coagulation of soft tissues.

Abstract: Reciprocating rasps for the surgical preparation of the bone prior to the implantation of a glenoid or acetabular component with complex geometry are disclosed. Surgical methods for the use of such reciprocating rasps are also disclosed.

Abstract: An instrument holder and grip for detachably connecting to a medical instrument, which has a basic body with a grip section and a connecting section for connecting to the medical instrument. A locking means movable from a release position into a locking position is provided in the connecting section for locking the medical instrument on the connecting section. The instrument holder and grip has lever elements connected together and each mounted pivotably on the basic body. A first element has an actuating lever arm and a second element moves the locking means. The holder permits significantly simplified cleaning and sterilization after use, while continuing to provide a reliable holding effect on the instrument. It is possible to dismantle the instrument holder into a few easily cleaned parts with a few simple actions and without small parts such as connecting pins or similar.

Abstract: A bone preparation system, such as a broach, includes at least a first member and a second member. The first member and the second member may be connected. Both the first member and the second member, when attached to the first member, are configured to directly contact and broach an anatomy.

Abstract: A burr attachment designed for use with a curved burr attachment or other chuck attachments that includes a tube with a wire shaft supported therein and a coil spring surrounding said wire shaft and having each of the coils touch the outer periphery surface of the wire shaft and the inner peripheral surface of said tube to enhance cooling of said outer periphery of said tube from the heat generated by said wire shaft and attenuate vibrations while allowing said burr attachment to be bent without kinking.

Abstract: Reciprocating rasps for the surgical preparation of the bone prior to the implantation of a glenoid or acetabular component with complex geometry are disclosed. Surgical methods for the use of such reciprocating rasps are also disclosed.