A patient-specific registration jig for registering an orthopaedic surgical instrument with a bony anatomy of a patient includes a head and an adaptor coupled to the head. The head includes a patient-specific contact surface configured to contact a portion of the patient's bony anatomy such that the head can be coupled to the patient's bony anatomy in a unique position. The adaptor includes an elongated shank having a first end coupled to the head and a second end and an adaptor end attached to the second end of the elongated shank. The adaptor end is configured to be received by a clutch of the orthopaedic surgical instrument. A method for registering the orthopaedic surgical instrument using the patient-specific registration jig is also disclosed.

A number of improvements are provided relating to computer aided surgery utilizing an on tool tracking system. The various improvements relate generally to both the methods used during computer aided surgery and the devices used during such procedures. Other improvements relate to the structure of the tools used during a procedure and how the tools can be controlled using the OTT device. Still other improvements relate to methods of providing feedback during a procedure to improve either the efficiency or quality, or both, for a procedure including the rate of and type of data processed depending upon a CAS mode.

A computer system receives readings from sensors embedded in a spinal implant implanted in a patient during surgery. The sensor readings are indicative of a load applied by a spine of the patient on the spinal implant. The load causes physical discomfort to the patient. A feature vector is extracted from the implant sensor readings using a machine learning module. The feature vector is indicative of the physical discomfort caused by the load. Electrical signals are generated using the machine learning module based on the feature vector. The machine learning module is trained based on patient data sets to generate the electrical signals to balance the load, such that the physical discomfort is reduced. The electrical signals are transmitted to one or more actuators embedded in the spinal implant to cause the one or more actuators to configure the spinal implant, such that the load is balanced.

A method is described for performing a percutaneous operation on a patient to remove an object from a cavity within the patient. The method includes advancing a first alignment sensor into the cavity through a patient lumen. The first alignment sensor provides its position and orientation in free space in real time. The alignment sensor is manipulated until it is located in proximity to the object. A percutaneous opening is made in the patient with a surgical tool, where the surgical tool includes a second alignment sensor that provides the position and orientation of the surgical tool in free space in real time. The surgical tool is directed towards the object using data provided by both the first and the second alignment sensors.

A positioning tracking member, a method for recognizing a maker (20), a storage medium, and an electronic device. By directly sticking a positioning tracking member onto the body of a patient, a rigid connection between the positioning tracking member and the human body is not required, thereby avoiding damage to the human body. Furthermore, in combination with a recognition algorithm of the maker (20), recognition of the maker (20) in the image space is quickly achieved by comparing the actual size of each candidate connected region in a three-dimensional medical model with that of the marker (20), the recognition speed being high and the recognition accuracy being high.

The present disclosure provides systems and methods for preparing a spinal rod that enable the digital mapping of rod contours to produce spinal rods that conform to an ideal rod trajectory, which reduces spinal rod to screw head misalignment. Reducing spinal rod to screw head misalignment helps reduce a failure rate of spinal rods in patients. In invasive spinal fusion surgeries, a digital three-dimensional representation may be generated of a flexible rod formed to align with screws installed in the patient. In minimally invasive surgeries, a digital three-dimensional representation may be generated using pointers. A surgeon may adjust the digital three-dimensional representation via a graphical user interface. Bending instructions may be generated from the digital three-dimensional representation that direct how a spinal rod should be bent using a bending tool. The final spinal rod accounts for the anatomical environment around the screws installed in the patient.

The invention relates to a method for creating manufacturing data for manufacturing an orthopedic product for a body part of a patient, the method comprising the following steps: providing a digital three-dimensional body part model of the relevant body part for which the orthopedic product is destined to an electronic data processing apparatus, the three-dimensional body part model being based on external body part data acquired from the body part of the patient; identifying at least one rigid body part region in the provided body part model by means of the electronic data processing apparatus, with the remaining region situated outside of the rigid body part region being identified as a yielding body part region on the basis of the identified rigid body part region; creating a reduced three-dimensional body part model by means of the electronic data processing apparatus on the basis of the provided three-dimensional body part model, the identified rigid body part regions and a reduction metric applied in the region of the yielding body part region; and producing manufacturing data for the orthopedic product on the basis of the reduced three-dimensional body part model by means of the electronic data processing apparatus.

The present technology provides patient-specific implants. The implants can include a plate having a geometry contoured to mate with an identified anatomical structure at a target position. The plate can include a first projection having a first contact surface with a first topography designed to mate with a corresponding first surface of a first vertebral body, and a second projection having a second contact surface with second topography designed to mate with a corresponding second surface of a second vertebral body. The first topography can be different than the second topography. In some embodiments, the first and/or second projection can be configured to contact, and have topographies designed to mate, with a plurality of surfaces, such as two adjacent surfaces, of the respective first and second vertebral bodies.

Embodiments of an apparatus include a needle cartridge configured to attach to and interface with an actuating device. The needle cartridge includes a housing, a needle group assembly, and a fluid port. The housing forms a cavity and includes a first aperture and a second aperture opposite the first aperture. The needle group assembly includes a needle and a needle holder. The needle group assembly is configured to move in a reciprocating motion relative to the housing along an axis from the first aperture to the second aperture. During the reciprocating motion, the needle fully retracts into the cavity through the first aperture. The fluid port is integrated with the housing and includes a hollow projection forming a conduit and extending away from the housing. The fluid port includes a third aperture, wherein the fluid port is configured to interface with a fluid delivery system.

Systems and methods are provided for processing X-ray images, wherein the methods are implemented as a software program product executable on a processing unit of the systems. Generally, an X-ray image is received by the system, the X-ray image being a projection image of a first object and a second object. The first and second objects are classified and a respective 3D model of the objects is received. At the first object, a geometrical aspect like an axis or a line is determined, and at the second object, another geometrical aspect like a point is determined. Finally, a spatial relation between the first object and the second object is determined based on a 3D model of the first object, a 3D model of the second object, and the information that the point of the second object is located on the geometrical aspect of the first object.