Abstract: A system and method for transmitting implant data includes an orthopaedic implant, a wireless receiver, and a processing circuit electrically coupled to the wireless receiver. The orthopaedic implant is configured to transmit implant identification data and implant sensor data to the wireless receiver in response to a power signal. The orthopedic implant may transfer the data over, for example, a wireless network. The processing circuit receives the implant identification data and the implant sensor data from the wireless receiver and is configured to retrieve patient-related data from a database based on the implant identification data. The processing circuit may also be configured to update a patient queue, assign a patient room to a patient, and/or transmit the patient-related data and the implant sensor data to a client machine located in the patient room.

Abstract: An orthopaedic surgical device for determining the joint force of a patient's knee joint includes a tibial paddle shaped to be positioned in the patient's knee joint and a handle extending from the tibial paddle. The tibial paddle includes a sensor array positioned therein and configured to generate sensor signals indicative of the joint force of the patient's knee joint. The orthopaedic surgical device also includes a control circuit configured to control a display located on the handle to provide a visual indication of the medial and lateral balance of the joint force.

Abstract: A computer assisted orthopaedic system includes a sensor module, a display, and a computer coupled to the display. The sensor module is configured to be positioned in a knee joint of a patient and transmit joint force data indicative of a joint force of the patient's knee joint. The computer includes a receiver circuit to receive the joint force data. The computer is configured to determine position data indicative of a position of a patient's femur and a patient's tibia and display an image of the patient's femur and the patient's tibia based on the position data. The computer is also configured to determine a medial force value and a lateral force value based on the joint force data and display the medial and lateral force values on the display.

Abstract: A method of predicting the operating state of a curable bone cement composition includes determining the impedance of the bone cement composition. The impedance is used to predict a number of operating states of the bone cement composition including end-of-work time and setting time.

Abstract: A hand-held display module includes a housing, a display coupled to the housing, and a circuit positioned in the housing and coupled to the display. The circuit includes a receiver circuit configured to communicate with a sensor module positioned in a knee joint of a patient to receive joint force data indicative of the joint force of the patient's knee joint. In one mode, the circuit is configured to display a visual indication of the medial-lateral balance of the joint force based on the joint force data. In a second mode, the circuit is configured to display a visual indication of the medial-lateral and the anterior-posterior balance of the joint force.

Abstract: An orthopaedic surgical device for determining the joint force of a patient's knee joint includes a tibial paddle shaped to be positioned in the patient's knee joint and a handle extending from the tibial paddle. The tibial paddle includes a sensor array positioned therein and configured to generate sensor signals indicative of the joint force of the patient's knee joint. The orthopaedic surgical device also includes a control circuit configured to control a display located on the handle to provide a visual indication of the medial and lateral balance of the joint force.

Abstract: An orthopaedic surgical system includes a sensor module for determining the joint force of a patient's knee joint and an adaptor for coupling various tibial trialing components to the sensor module. The sensor module includes a tibial paddle to which the adaptor is configured to couple. The adaptor and tibial paddle include structures that control the orientation at which the adaptor is attachable to the tibial paddle. Some tibial trialing components may be positioned over the adaptor in a mobile orientation that facilities rotation of the tibial trialing component relative to the tibial paddle or a fixed orientation that restricts the rotation of the tibial trialing component.

Abstract: An orthopaedic surgical device for determining the joint force of a patient's knee joint includes a tibial paddle shaped to be positioned in the patient's knee joint and a handle extending from the tibial paddle. The tibial paddle includes a sensor array positioned therein and configured to generate sensor signals indicative of the joint force of the patient's knee joint. The orthopaedic surgical device also includes a control circuit configured to control a display located on the handle to provide a visual indication of the medial and lateral balance of the joint force. In some embodiments, various tibial trialing components may be coupled to the tibial paddle along with an associated adaptor.

Abstract: A system for use in an orthopaedic surgical procedure including a container for orthopaedic surgical instruments. The container includes a first shell, and a second shell configured to be coupled to the first shell to define a chamber therein. The second shell is configured to be coupled to the first shell in a plurality of orientations including a first orientation in which fluid is permitted to advance into and out of the chamber, and a second orientation in fluid is prevented from advancing into and out of the chamber.

Abstract: An orthopedic surgical instrument for use in knee surgeries includes an elongated body, a pair of output shafts, and a user control. A first output shaft extends out from a first side of the body along a first output axis substantially perpendicular to a longitudinal axis of the elongated body. A second output shaft also extends out from the first side of the elongated body along a second output axis substantially perpendicular to the longitudinal axis of the elongated body. The user control is coupled to the elongated body near a first end and the first and second output shafts are situated near the second end of the elongated body. Each of the first output shaft and the second output shaft are configured to turn independent of one another in response to operation of the user control. Various joint distractors for use with the orthopedic surgical instrument are also disclosed.

Abstract: A system and method for validating an orthopaedic surgical plan includes a data tag associated with a patient-specific orthopaedic surgical instrument and a data reader to read the data tag to obtain surgical procedure parameters from the data tag. A display module may display the surgical procedure parameters and/or identification data to validate the patient-specific orthopaedic surgical instrument. Additionally, the system may include a sensor module to generate joint force data indicative of a joint force of a patient's joint. The display module may be configured to display the joint force data in association with the surgical procedure parameters.

Abstract: A registration pointer includes a camera located in an elongated shaft having a distal end configured to be contacted to a bone of a patient to register the bone to a computer assisted orthopaedic surgery system. The camera may be a hemispherical camera and may include a panoramic camera and a wide-angle camera equipped with a fish-eye lens. The registration pointer is configured to transmit images received by the cameras to the computer assisted orthopaedic surgery system for display thereon. The computer assisted orthopaedic surgery system may be configured to generate an image, such as a hemispherical image, based on the images received from the registration pointer.

Abstract: A method and system for designing a patient-specific orthopaedic surgical instrument includes coupling a knee sleeve to a leg of the patient. The knee sleeve includes sensors configured to generate sensor data indicate of the position of the respective sensor. The method also include determining angulation data indicative of the angulation of the knee based on the sensor data. The angulation data may be indicative of, for example, the ligament laxity of the knee. The method may also include generating a medical image(s) of the knee. The design of the patient-specific orthopaedic surgical instrument is determined based on the angulation data and the medical image(s).

Abstract: A system, apparatus, and method for determining a position of an orthopedic prosthesis includes a patient support platform, a sensor array coupled to the patient support platform, and a controller electrically coupled to the sensor array. The sensor array is configured to generate data signals in response to an output signal of a signal source(s) coupled to the orthopedic prosthesis and/or a bone of the patient. The controller is configured to determine a position of the orthopedic prosthesis and/or the bone of the patient based on the data signals.

Abstract: A system for recharging medical instruments comprises a medical instrument tray defining a plurality of recesses therein for receiving and storing a corresponding plurality of medical instruments. At least one of the medical instruments includes a secondary coil coupled to a rechargeable voltage source. The medical instrument tray includes a primary coil positioned at least partially about one or more of the recesses configured to receive and store one of the medical instruments. The primary coil couples to the secondary coil to charge the rechargeable voltage source when the corresponding medical instrument is received in the recess. A storage container is provided for receiving and storing one or more such medical instrument trays. The storage container includes an electrical routing system for routing voltage from an external voltage source to the primary coils.

Abstract: An apparatus for transcutaneously transferring an amount of energy to an implantable orthopaedic device includes a primary coil. The primary coil has a resonant frequency matched to a resonant frequency of a secondary coil, which may form part of the implantable orthopaedic device. The primary coil may have an aperture configured to receive a portion of a patient's body or may include a substantially “C”-shaped core. A power circuit may be coupled with the primary coil to provide power to the coil. The apparatus may also include a wireless receiver, a measuring device, and/or a display.

Abstract: An apparatus for transcutaneously transferring an amount of energy to an implantable orthopaedic device includes a primary coil. The primary coil has a resonant frequency matched to a resonant frequency of a secondary coil, which may form part of the implantable orthopaedic device. The primary coil may have an aperture configured to receive a portion of a patient's body or may include a substantially “C”-shaped core. A power circuit may be coupled with the primary coil to provide power to the coil. The apparatus may also include a wireless receiver, a measuring device, and/or a display.

Abstract: A system and method enables data to be communicated from a position within a human body to an external data device. The system includes a wireless communication module that is electrically coupled to an implant component having a metal surface so that the implant component operates as an antenna in response to the application of a modulated carrier wave being applied to the implant component. The wireless communication module may be coupled to the implant component so that the implant component operates as a monopole or dipole antenna. When the monopole configuration is used, the system further includes a ground plane so that the electromagnetic field emitted by the implant component is reflected and the emitted and reflected fields resemble the emitted field of a dipole antenna for the carrier frequency.

Abstract: A magnetic sensor array includes a first three-dimensional magnetic sensor secured to a substrate in a central location of the substrate. A number of second three-dimensional magnetic sensors are secured to the substrate at a first distance from the first magnetic sensor. Additionally, a number of one-dimensional magnetic sensors are secured to the substrate at a second distance from the first magnetic sensor greater than the first distance. Additional magnetic sensors of any dimension may also be included. The magnetic field sensitivity of the first and second three-dimensional magnetic sensors may be less than the magnetic field sensitivity of the one-dimensional magnetic sensors. The sensing range of the first and second three-dimensional magnetic sensors may be greater than the sensing range of the one-dimensional magnetic sensors. The magnetic sensor array may also include a processing circuit coupled to the magnetic sensors.

Abstract: A system and method for transmitting implant data includes an orthopaedic implant, a wireless receiver, and a processing circuit electrically coupled to the wireless receiver. The orthopaedic implant is configured to transmit implant identification data and implant sensor data to the wireless receiver in response to a power signal. The orthopedic implant may transfer the data over, for example, a wireless network. The processing circuit receives the implant identification data and the implant sensor data from the wireless receiver and is configured to retrieve patient-related data from a database based on the implant identification data. The processing circuit may also be configured to update a patient queue, assign a patient room to a patient, and/or transmit the patient-related data and the implant sensor data to a client machine located in the patient room.