34 results about "Bone removal" patented technology

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).

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.

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 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 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).

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 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.

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.

1. The name of the design product: chicken claw bone removal device. 2. The use of the design product: device for alignment and positioning when removing chicken claw bones. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

Described are systems and methods for visualizing planned bone removal. A two-dimensional image of at least a portion of a joint is received. An alignment of a pre-generated three-dimensional model of the at least a portion of the joint with the two-dimensional image is determined based on one or more features in the two-dimensional image that are associated with the at least a portion of the joint. The pre-generated three-dimensional model includes a representation of planned bone removal. An overlay image is generated based on the determined alignment. The overlay image includes an overlay of at least a portion of the representation of planned bone removal on the two-dimensional image. A visualization including the overlay image is then displayed.

This application discloses a method and related products for training a detection model for cerebral vascular occlusion detection. The method includes: performing bone removal operations on CT perfusion imaging data to obtain target image data containing brain tissue and blood vessels; annotating the vascular occlusion region in the target image data to obtain a three-dimensional occlusion region label; extracting a blood flow arrival time map based on the CT perfusion imaging data; extracting a vascular region feature volume after weighted fusion under blood flow arrival time gating based on the target image data and the blood flow arrival time map; inputting the vascular region feature volume into the detection model for cerebral vascular occlusion detection; and calculating a loss function based on the three-dimensional occlusion region label to train the detection model for cerebral vascular occlusion detection. Using the solution of this application, the accuracy, robustness, and clinical applicability of occlusion detection can be improved.

The present application relates to a kind of suture anchor implantation device, including self-drilling rod body (1), nail body (2), suture anchor (5) and fixed suture (6);Two suture grooves (8) are formed on the outer surface of self-drilling rod body (1) along the length direction;Nail body (2) is keyed to one end of self-drilling rod body (1);Through hole I (12) is provided on nail body (2), and one end of nail body (2) is pointed end;Suture anchor (5) and fixed suture (6) are all passed through through hole I (12), and the two ends of fixed suture (6) are respectively passed out along two suture grooves (8), and the two ends of suture anchor (5) are free end.The suture anchor implantation device of the present application can automatically knot during implantation, without subsequent pulling suture knot;Knot position is fixed, and knot displacement will not occur;Hole depth is relatively shallow, and bone removal amount is small;Interference between hole and hole is smaller, and the number of anchor points that can be implanted per unit area is more, and the range of optional area of operation is wide.

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.

To provide a phalange resection instrument suitable for resection of a phalanx.SOLUTION: A phalange resection instrument 1 includes a rotary shaft 2 and a cutting portion 3 located at one end 4 of the rotary shaft 2. The rotary shaft 2 has a first through hole 6 extending in a front-rear direction 91. The cutting portion 3 includes four blades 10 that each intersect an axis line L and extend radially from the rotary shaft 2 with a spacing in a circumferential direction about the axis line L, and an annular frame 11 that connects outer ends 18 of the four blades 10. The frame 11 is positioned on a rear side relative to cutting edges 13 of the four blades 10.SELECTED DRAWING: Figure 4

This invention provides an intelligent surgical robot system for crown lengthening surgery, comprising: a data processing unit; and a biotype recognition and planning unit. The biotype recognition and planning unit is used by a gingival biotype classifier to identify the patient's gingival biotype and dynamically calculate the biological width based on the identified gingival biotype, thereby planning the gingival resection boundary and alveolar bone trimming path. The surgical robot execution unit and control unit, by identifying the patient's gingival biotype and dynamically calculating the biological width based on the identified gingival biotype, abandon the empirical assumptions of traditional fixed values, achieving personalized and refined planning of bone removal depth and gingival resection contour. This enables automated and precise resection, reduces the reliance on the surgeon's personal experience, and improves the reliability and predictability of the surgery.

A method for guiding bone removal for a surgical procedure includes receiving a two-dimensional image of bony anatomy; determining an alignment of a pre-generated three-dimensional model of the bony anatomy to the bony anatomy in the two-dimensional image; and generating and displaying a visualization that comprises: a first portion comprising an overlay of at least a portion of the three-dimensional model on the two-dimensional image, wherein the overlay of at least a portion of the three-dimensional model is displayed according to the determined alignment, and a second portion comprising a representation of at least a portion of the three-dimensional model and a representation of the determined alignment of the three-dimensional model of the bony anatomy to the bony anatomy in the two-dimensional image.

The present application belongs to the technical field of medical devices, and provides a guide assembly for a superior articular process approach of a lumbar vertebra and an operation method thereof. The guide assembly comprises a guide rail, a guide needle, a bone removal assembly and a working assembly. The guide rail is provided with a guide track. The guide needle is slidably arranged in the guide rail and is used to establish an initial positioning path to the intervertebral space. The initial positioning path is parallel to the guide track. The guide rail is adapted to move along the initial positioning path. The bone removal assembly is detachably connected to the guide rail to remove bone mass of the superior articular process approach and form a bone window. The working assembly comprises a working sleeve which is adapted to be connected to the guide rail to form a working channel after the bone removal assembly is removed. The guide needle establishes the initial positioning path to the intervertebral space to confirm the position of the guide rail, reduces the number of repeated verification and adjustment under fluoroscopy, and thus reduces the radiation exposure dose of the patient. The bone removal assembly and the working assembly connected to the guide rail can be performed according to the guide track, and the possibility of path loss is reduced.

The present subject matter provides an orthopedic instrument may include a first end portion, a handle portion and an optical tracker. The first end portion is configured as a validation device having at least a first surface configured to validate a first resected surface of a bone of the knee. The first end portion has one or more surfaces with a plurality of teeth configured to remove material from the first resected surface. The handle portion is coupled to the first end portion. The optical tracker is coupled to the handle portion.

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 present application relates to the technical field of medical devices, in particular to an adjustable flexible bone-to-bone fixation device and an implanting mechanism, the adjustable flexible bone-to-bone fixation device comprising a first suture and a flexible fixation assembly, the first suture having a first traction end, a second traction end, a first wire inlet hole and a second wire outlet hole, the flexible fixation assembly comprising a second suture and a titanium alloy button; in use, the fibula and the tibia are adjusted to a suitable position, a drill bit is used to drill through the fibula, a drill bit is used to create a bone channel on the tibia through the fibula bone channel created by the drill bit, the second suture is passed through the fibula bone channel and knocked into the tibia bone channel, the titanium alloy button is arranged on the surface of the lateral cortical bone of the fibula, the first traction end and the second traction end are pulled, and the second suture is contracted into a mass in the bone channel to extrude the bone channel and achieve flexible fixation, so that reliable fixation can be achieved with a smaller amount of bone removal.

This utility model relates to a vertebral anchoring and positioning reaming device, comprising: a working sleeve, which includes a sleeve body and a first cylindrical channel disposed within the sleeve body and extending axially; the lower end of the sleeve body has an arc-shaped serrated structure surrounding the end face of the first cylindrical channel; and an eccentric reamer for insertion within the first cylindrical channel, comprising a cylindrical drill rod, a second cylindrical channel disposed within the drill rod, and a drill bit disposed at the lower end of the drill rod and connected to the second cylindrical channel; the second cylindrical channel and the central axis of the drill rod are not on the same straight line. Compared with the prior art, this utility model has advantages such as reliable anchoring and precise bone removal.