68 results about "Bone removal" patented technology

A minimally invasive ultrasonic knife head and a minimally invasive ultrasonic bone power system, the minimally invasive ultrasonic knife head comprises a knife rod and a head end, the head end is located at the front end of the knife rod, the head end is curved to the side at a certain angle, and the knurled teeth or bevel teeth are arranged on the curved part. By bending the head end, the bone tissue around the intervertebral foramen mirror can be removed, so that the operator has more operation space under the limited foramen mirror channel, and the bone removal efficiency is improved. The knurled teeth or bevel teeth are arranged on the curved part, so that the bone tissue around the intervertebral foramen mirror can be better polished or cut.

A system for surgical registration. The system may include at least one computing device in communication with a surgical navigation system and the surgical device. The at least one computing device: a) receiving external bone registration data corresponding to locations on the exterior surface of the femur; b) calculating a first registration transform based on the external bone registration data; c) transforming a first bone removal plan of a surgical plan to the operative coordinate system based on the first registration transform; d) receiving internal bone canal registration data corresponding to at least one of location or orientation data from the inner canal of the femur; e) calculating a second registration transform based on both of the external and internal bone canal bone registration data; and f) transforming a second bone removal plan of the surgical plan to the operative coordinate system based on the second registration transform.

The poultry claw and tarsal articular cartilage removing device comprises a first connecting block, a second connecting block, a scraping block, a limiting block and an adjusting rod, the scraping block is arranged at the front end of the first connecting block, and the rear end of the first connecting block is connected with the upper end of the second connecting block; the adjusting rod is arranged below the first connecting block and is adjustably connected with the first connecting block or the second connecting block, and the limiting block is arranged at the front end of the adjusting rod. According to the cartilage deboning device, the distance between the limiting block and the scraping block can be adjusted through the adjusting rod, so that the cartilage deboning device can adapt to poultry claws of different specifications, the cartilage deboning efficiency can be effectively improved, and food material waste caused by skin and meat involved by articular cartilage in the deboning process is avoided.

The utility model discloses a chicken leg boning machine which comprises a trapezoid cylinder, a lower pressing rod and a guide rail, the trapezoid cylinder is used for installing the whole device, the lower pressing rod is used for ejecting chicken leg bones, and the guide rail is used for guiding movement of the lower pressing rod; wherein the lower pressing rod comprises a placing base, a limiting block and an abutting plate, the placing base is used for limiting placing of objects, the abutting plate is used for abutting placing of objects needing to be machined, the limiting block is used for sliding of the placing base and the lower pressing rod, and the upper end of the lower pressing rod is slidably connected with a connecting base; the connecting base comprises a rotating disc used for moving the position of the lower pressing rod, and a plurality of connecting bases are fixedly arranged on the peripheral side of the rotating disc. The guide rail is in a high-low shape, so that the downward pressing rods can move from the high part to the low part, then the downward pressing rods can conduct deboning on chicken leg bones, the number of the downward pressing rods is multiple, and therefore the chicken leg bone deboning device can be used by multiple persons, and work efficiency is improved.

The utility model relates to the technical field of meat product processing, in particular to a boning device for meat product processing, which comprises a supporting mechanism and a boning mechanism for boning chicken legs, and the boning mechanism is fixed above the supporting mechanism. According to the chicken leg boning device, the boning mechanism is arranged, the small end of a chicken leg is inserted into the insertion hole, the motor is started, the motor operates to drive the bidirectional threaded rod to rotate forwards, the two clamping blocks are close to each other, and the two clamping blocks close to each other cooperate to clamp and fix the small end of the chicken leg; then the electric push rod contracts to drive the driving box and the clamping block to move leftwards, the clamping block pulls the chicken legs to move leftwards, the chicken leg bones smoothly penetrate through the insertion holes under pulling of the clamping block, the chicken leg meat cannot penetrate through the insertion holes under blocking of the vertical plate, and after the chicken leg bones are separated from the chicken leg meat, the chicken leg meat falls into a right collecting box under the action of gravity; then the motor drives the two-way threaded rod to rotate reversely, the two clamping blocks are far away from each other, and the chicken leg bones fall into the left collecting box under the action of gravity.

A method of providing a guidance device for guiding a bone removal instrument for the removal of bone from a cervical vertebra and providing a vertebral body replacement device for placement into a void in a cervical spine between two endplates of a single vertebra during the course of an anterior spinal surgical procedure upon the cervical spine wherein the vertebral body replacement device has been given a PLR product code from the Food and Drug Administration (FDA).

The disclosed subject matter relates to a system and method for preparing a surface of a bone proximate a joint, in which the preparation includes boring a plurality of arced channels / troughs in the bone surface using an arch drill assembly guided by plural guide bores along a predetermined longitudinal arc. The bored troughs create a scalloped surface on the bone to which an inverse contoured joint insert / implant having cooperating convex ridges engages. The plural guide bores are also defined by the predetermined longitudinal arc which may be circular or helical. The disclosed subject matter minimizes bone removal and allows greater access options for preparing the bone surface.

A method for guiding bone removal during a surgical procedure includes receiving a two-dimensional image of at least a portion of a joint during a surgical procedure; determining an alignment of a pre-generated three-dimensional model of the at least a portion of the joint with the two-dimensional image based on one or more features in the two-dimensional image related to the at least a portion of the joint, wherein the pre-generated three-dimensional model contains a representation of planned bone removal; generating an overlay image containing an overlay of at least a portion of the representation of the planned bone removal on the two-dimensional image based on the determined alignment; and displaying the overlay image to guide the bone removal during the surgical procedure.

A method for guiding bone removal includes receiving at least one two-dimensional image of bony anatomy captured by a two-dimensional imaging system and at least one endoscopic image of the bony anatomy captured by an endoscopic imager. A three-dimensional model of the bony anatomy is registered with the endoscopic imager in a common reference frame using the two-dimensional image and a tracking system. A position and orientation of the three-dimensional model relative to the endoscopic image is determined based on registration of the three-dimensional model with the endoscopic imager in the common reference frame. The endoscopic image is displayed simultaneously with at least a portion of the three-dimensional model based on the determined position and orientation of the three-dimensional model relative to the endoscopic image.

To provide a deboning and butchering tool that can efficiently and easily remove the scapula from the processed meat after it has been divided during meat processing. [Solution] The bone removal and dismantling tool has a stem rod portion that extends in a straight line, a claw portion formed at one end of the stem rod portion, and a bone-holding portion that extends in a winding manner from the side to the front, starting from one side of the stem rod portion, and is characterized in that the tip of the bone-holding portion is positioned to cross and extend beyond the front of the stem rod portion.

The invention relates to the technical field of food processing, in particular to a chicken foot toe bone removing device. A second follow fixture is used for fixing chicken foot big bones, a phalanx ejector rod is located below the front side of the device and used for supporting chicken feet, the phalanx ejector rod is located over a phalanx pressing rod, and the phalanx pressing rod is used for being matched with a first ejector rod to fix the chicken feet; the removing device supporting frame comprises a guide column and a lifting device, a mounting seat is in power connection with the lifting device, the mounting seat slides up and down along the guide column under the action of the lifting device, a shaping block and a toe bone shaver are arranged on the mounting seat, the shaping block is located above a removing point of chicken foot toe bones and fixedly connected with the mounting seat, and an opening groove is formed in the extending end of the shaping block. The notch is close to the phalanx ejector rod, interference is formed between the notch wall and the end of the toe bone of the chicken claw, a toe bone shaver driving device is arranged on the installation base, and the toe bone shaver is connected with the toe bone shaver driving device and is close to or far away from the phalanx pressing rod. The problem of removing skin from the phalanx of the chicken claw is solved.

Systems and methods are disclosed that provide a computerized framework for performing decision intelligence (DI)-based evaluation and / or surgery of a patient's spine. The disclosed spinal evaluation framework provides a robotically actuated screw placement and evaluation system. The disclosed framework can be implemented for performing pre-operative, intra-operative, and / or post-operative spinal evaluations / procedures. The disclosed spinal framework can be utilized for robotically actuated pedicle screw placement, robotically actuated bone removal, and / or spinal configuration optimization via spinal flexibility and alignment assessment.

A system for surgical registration. The system may include at least one computing device in communication with a surgical navigation system and the surgical device. The at least one computing device: a) receiving external bone registration data corresponding to locations on the exterior surface of the femur; b) calculating a first registration transform based on the external bone registration data; c) transforming a first bone removal plan of a surgical plan to the operative coordinate system based on the first registration transform; d) receiving internal bone canal registration data corresponding to at least one of location or orientation data from the inner canal of the femur; e) calculating a second registration transform based on both of the external and internal bone canal bone registration data; and f) transforming a second bone removal plan of the surgical plan to the operative coordinate system based on the second registration transform.

Disclosed herein are systems and methods for guiding bone removal. A two-dimensional image that includes bony anatomy and at least one radiopaque object is received. A position and orientation of the radiopaque object(s) relative to a three-dimensional model of the bony anatomy is determined based on the two-dimensional image. An endoscopic image that includes at least one feature associated with the radiopaque object(s) is received. A position and orientation of the feature(s) relative to the endoscopic image is determined. An alignment of the three-dimensional model relative to the endoscopic image is determined based on the position and orientation of the radiopaque object(s) relative to the three-dimensional model and the position and orientation of the feature(s) relative to the endoscopic image. At least a portion of the three-dimensional model is displayed based on the alignment of the three-dimensional model relative to the endoscopic image.

The present invention provides a master-slave dual-arm force-position hybrid control method for tail fork bone boning, including a dual robotic arm composed of a master arm and a slave arm and the following steps: establishing pose constraints and motion constraints between the tail fork bone and the master arm, and between the master arm and the slave arm, so as to form a closed kinematic chain between the dual robotic arm and the tail fork bone, and enabling the slave arm to follow the motion of the master arm; obtaining the position control equation of the robotic arm operation space according to the tail fork bone boning segmentation surface and the closed kinematic chain; obtaining the force control rate of the tail fork bone according to the force on the tail fork bone, and forming a force-position hybrid control law with the position control equation and the force control rate; performing constraint analysis on the tail fork bone meat-bone segmentation surface to determine the boning path and the boning direction at each point of the path; in the tail fork bone removal task, performing master-slave force-position hybrid control on the dual arms, with the master arm tightly holding the tail fork bone and the slave arm performing precise boning operations.

The utility model relates to food processing technical field, concretely discloses a kind of chicken feet bone removal device, including bone removal box, rotary motor is equipped in bone removal box, rotary motor's output shaft is fixedly equipped with carousel, the circumferential of carousel is uniformly arranged with multiple fixtures, positioning slot is opened in fixture, bone removal box is sequentially arranged with chicken feet opening mechanism, chicken feet bone removal mechanism and bone removal chicken feet clamping mechanism along the circumferential of carousel;Wherein, chicken feet opening mechanism includes three groups of main toe opening components and a group of big toe opening components, chicken feet bone removal mechanism includes big toe stripping component, three main toe stripping components and leg bone stripping component, along the circumferential of carousel is uniformly and continuously arranged, and is correspondingly equipped with pressing mechanism above fixture;Bone removal chicken feet clamping mechanism is correspondingly arranged above fixture.The utility model improves production efficiency, realizes the continuous, assembly line type automatic processing of chicken feet bone removal, reduces equipment injury risk.

A bone removal device, including an elongated shaft having a longitudinal axis, a distal end and a proximal end; a movable bone borer movably coupled to the distal end of the elongated shaft, wherein the movable bone borer is configured to rotate around the longitudinal axis; and a rotatable bone borer adjuster mounted on a proximal side of the elongated shaft and to the movable bone borer, wherein the adjuster is configured to rotate around an axis which is different from a rotation axis of the movable bone borer.

A method of providing a guidance device for guiding a bone removal instrument for the removal of bone from a cervical vertebra and providing a vertebral body replacement device for placement into a void in a cervical spine between two endplates of a single vertebra during the course of an anterior spinal surgical procedure upon the cervical spine wherein the vertebral body replacement device has been given a PLR product code from the Food and Drug Administration (FDA).

The present invention discloses a ball probe ultrasonic bone removal device that is designed to assist surgeons with foraminotomy procedures. The device comprises a shaft at a first end of the device and a spherical ball tip at a second end of the device. In between the shaft and the ball tip is a foot piece that connects to the shaft through an angle. On the foot piece, serrations or a coarse surface cover a portion of the circumference of the foot piece. In some embodiments, serrations or a coarse surface may also cover a portion of the circumference of the shaft. The spherical ball tip is smooth and designed to cause no damage to the sensitive nerves and tissue in the intervertebral foramina, but the surface with the serrations or the coarse protrusions are designed to remove bone and tissue under ultrasonic movement (e.g., vertical vibration, rotational oscillation).

A surgical device for cutting or shaving bone or tissue includes a housing (20) having an elongated tube (12) extending therefrom, the elongated tube (12) configured to support a surgical tool (100) at a distal end (16) thereof. A gear assembly (40) is disposed within the housing (20) and is configured to control oscillations of the surgical tool (100). A motor (50) is operably coupled to the housing (20) and is configured to drive the gear assembly (40) when the motor is actuated. The motor (50) is movable relative to the housing (20) to adjust one or more gears of the gear assembly, which in turn adjust an oscillation angle of the surgical tool to control invasiveness of the surgical tool when cutting tissue or bone.

A surgical device for cutting or shaving bone or tissue includes a housing having an elongated tube extending therefrom, the elongated tube configured to support a surgical tool at a distal end thereof. A gear assembly is disposed within the housing and is configured to control oscillation of the surgical tool. A motor is operably coupled to the housing and is configured to drive the gear assembly upon activation thereof. The motor is moveable relative to the housing to adjust one or more gears of the gear assembly which, in turn, adjusts an oscillation angle of the surgical tool to control the aggressiveness of the surgical tool when cutting tissue or bone.

The utility model discloses a big bone separation turnover device for poultry claw, including first bone spade and second bone spade who sets up oppositely, first bone spade be connected with the spade bone drive of driving its along the length direction of fixed big bone removes and the bone drive of driving its along the radial movement of fixed big bone, second bone spade be connected with the bone drive of driving its relative first bone spade removes, second bone spade can move and insert the back of big bone that first bone spade turns up, still include the first fixed part of the first fixed part of the big bone phalanx end of poultry claw big bone that can move and press from fixed or away and the second fixed part of the second fixed part of the fragile bone end of poultry claw big bone that can move and fix. The utility model imitates the clean separation of bone and meat without damaging the bone and cutting off the meat by manual bone removal without cutting instrument.

A bone removal device configured to increase efficiency of total ankle surgery by enabling removal of resected portion of tibia from a patient is disclosed. In particular, the bone removal device may enable a resected portion of a bone, such as, but not limited to, a tibia, to be pulled from the bone. The bone removal device may be configured to be used in total ankle surgery on a tibia, in carpectomies on hand or wrists, and other surgeries in which assistance removing a resected portion of bone would be beneficial. The bone removal device may include one or more filaments to remove the resected tibia from the tibia. The bone removal device may include a bone removal device body supporting one or more arms which, in an open position, enable the bone removal device to pull the resected portion of bone from the bone.

A system and method for excising tissue from a stenotic spinal region is disclosed. The system may comprise a surgical kit including an access instrument, a bone reamer, a bone removal instrument, and a soft tissue removal instrument. The access device may be cannulated and utilized to achieve a path for the insertion and advancement of the other surgical instruments towards a target area, such as the interlaminar region. The bone removal and / or soft tissue removal instrument may be used at various angular orientations and depths within the lumbar region to ergonomically excise compressive features including hypertrophied ligamentum flavum. Minimally invasive and open procedures are disclosed.

A bone removal device configured to increase efficiency of total ankle surgery by enabling removal of resected portion of tibia from a patient is disclosed. In particular, the bone removal device may enable a resected portion of a bone, such as, but not limited to, a tibia, to be pulled from the bone. The bone removal device may be configured to be used in total ankle surgery on a tibia, in carpectomies on hand or wrists, and other surgeries in which assistance removing a resected portion of bone would be beneficial. The bone removal device may include one or more filaments to remove the resected tibia from the tibia. The bone removal device may include a bone removal device body supporting one or more arms which, in an open position, enable the bone removal device to pull the resected portion of bone from the bone.

1. Name of the product in this design: Bone Removal Spoon. 2. Purpose of this design: For use in dental surgery. 3. The key design points of this product are: the design of the main view. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

The invention discloses a boning device with a bending posture monitoring function and a navigation system of the boning device. The invention discloses a boning device with a bending posture monitoring function. The boning device comprises a handle, an insertion rod, a boning part and an endoscope module, the insertion rod is arranged at the front end of the handle and sequentially comprises an outer supporting pipe, an inner mounting pipe and a transmission shaft from outside to inside, the inner mounting pipe and the outer supporting pipe are oppositely arranged inside and outside, and the transmission shaft is rotatably mounted in the inner mounting pipe; the insertion rod is connected with the tool bit mounting section through the controllable bending part; the boning part is mounted on the tool bit mounting section and comprises a working tool bit and a tool apron, the working tool bit is movably mounted on the tool apron, and the working tool bit is connected with the transmission shaft through a flexible shaft; the controllable bending part is divided into posture monitoring subunits which are sequentially arranged in the length direction and used for monitoring posture changes, and each posture monitoring subunit is provided with detection points which are evenly distributed in the circumferential direction and used for detecting the length variation. According to the invention, bending posture monitoring is realized.

Compared with the prior art, the bone scraping cutter head structure of the ultrasonic suction scalpel comprises a hollow cutter head main body, and a through pipeline is arranged in the hollow cutter head main body; the tool bit interface structure is arranged on the hollow tool bit main body and is used for being connected with a handle; the hollow tool bit main body comprises a handle end tool bit structure; the bent section structure is communicated with the handle end tool bit structure; the scalpel head operation end structure is communicated with the bent section structure; the bone scraping surface structure is arranged at one end, far away from the bent section structure, of the scalpel head operation end structure; the penetrating through hole structure is vertically formed in the operation end structure of the scalpel head. Compared with the prior art, the ultrasonic suction scalpel and osteotome has the advantages that the stability and the osteotome efficiency are high, the risk that the scalpel head is blocked can be reduced, meanwhile, the problem that the visual field is not clear due to atomization of flushing liquid is solved, and in addition, the ultrasonic suction scalpel and osteotome also have the technical effects.

This utility model relates to a weighing mechanism for unloading materials after deboning and bone removal. It includes a main support frame, a conveying assembly, and a weighing component. The weighing component is coupled between the main support frame and the conveying assembly. The weighing component includes a weighing sensor and a precision guide assembly. The weighing sensor supports the conveying assembly on the main support frame. The precision guide assembly includes at least one precision guide shaft fixed below the conveying assembly and a linear bearing fixed above the main support frame and slidingly engaged with the precision guide shaft. This weighing mechanism for unloading materials after deboning and bone removal achieves physical isolation of vibration sources through a double-frame suspension structure. Furthermore, the combination of the precision guide shaft and the linear bearing replaces sliding friction with rolling friction, completely filtering out horizontal interference forces and ensuring the purity of the force applied to the weighing sensor, thereby fundamentally improving the accuracy and reliability of online weighing.

The invention discloses a bone tumor pathological tissue taking-out device with a cutting device, and relates to the field of medical instruments, the bone tumor pathological tissue taking-out device specifically comprises a box body, a protective box cover, a fixing assembly and a blade, and is characterized in that the protective box cover capable of horizontally moving is arranged above the box body, and an electromagnetic sliding rail and an L-shaped supporting plate are fixedly installed in the middle of the upper end of the box body; a sliding plate capable of moving front and back is arranged at the upper end of the electromagnetic sliding rail, a guide rail allowing a guide block to horizontally move is fixedly installed at the upper end of the sliding plate, a fixing assembly is fixed to the upper end of the guide block, and the front end of the guide block is in threaded connection with a fixing bolt used for positioning. The protective box cover is used for protecting sampling medical workers, splashing broken bones are blocked in the protective box cover while the medical workers are protected, the medical workers can pick up the broken bones subsequently, and due to the fact that the box cover adopts the tempered glass plate as the observation opening, a user can check the sampling state of the device without being affected.