A needle access assembly and method for obtaining percutaneous needle access with little or no fluoroscopy. The method can include selecting a target for percutaneous access, directing a laser guide at a desired needle-insertion angle and in line with the selected target, aligning the needle access assembly with the laser, and inserting the needle into the target.

A needle access assembly and method for obtaining percutaneous needle access with little or no fluoroscopy is disclosed. The method includes selecting a target for percutaneous access, directing a laser guide at a desired needle-insertion angle and in line with the selected target, aligning the needle access assembly with the laser, and inserting the needle into the target.

Systems, kits, and methods are provided that may be used to assess a prosthetic gap in a resected joint, including an angular alignment of the resected bone surfaces in the joint. A system can comprise a reference spacer assembly comprising a spacer body with an elongated handle and one or two reference spacer plates. A kit can comprise a plurality of spacer bodies and reference spacer plates that can be selected and assembled by an operator to modularly produce assembled reference spacer devices having a range of different configurations. Methods for assessing a prosthetic gap, including a prosthetic gap dimension, a prosthetic gap symmetry, a tibial resection posterior slope, and a distal femoral resection angle, are also provided.

The present invention discloses a food swallowing simulating device, and belongs to the field of structural design of bio-simulation machinery. The device comprises an upper jaw matrix, a tongue matrix, a transmission device and a driving device; the upper jaw matrix and the tongue matrix are arranged oppositely, and opposite surfaces are curved surfaces; a channel is reserved between the curved surfaces to form a bionic oral cavity; and the tongue matrix is connected with the driving device by the transmission device, so that the motion of the tongue matrix is controlled by the driving device. Transition from static food swallowing mechanism simulation to dynamic food swallowing mechanism simulation is realized, and thus, a blank in the market is made up.

A posterior stabilized cruciate notch femoral cut guide shaped to fit over the distal end of a femur and including various cut guides to prepare the femur for a knee implant and methods for its use. Also described is a method for manufacturing the posterior stabilized cruciate notch femoral cut guide and various other cut guides and trialing instruments.

The present disclosure provides an apparatus for determining a location of a wireless marker for a tumor, the apparatus comprising: a phased array antenna, and a processor, wherein the processor is configured to control the phased array antenna to transmit a wireless signal to the wireless marker, receive a wireless signal transmitted by the wireless marker in response to the transmitted wireless signal, and analyze the wireless signals transmitted and received by the phased array antenna to determine a location of the wireless marker. The present disclosure also provides a method for determining a location of a wireless marker for a tumor, wherein the method comprises: transmitting, using a phased antenna array, a wireless signal to the wireless marker, receiving, at the phased antenna array, a wireless signal transmitted by the wireless marker in response to the transmitted wireless signal, and analyzing the wireless signals transmitted and received by the phased array antenna to determine a location of the wireless marker.

A system and method for converting static/still medical images of a particular patient into dynamic and interactive images interacting with medical tools including medical devices by coupling a model of tissue dynamics and tool characteristics to the patient specific imagery for simulating a medical procedure in an accurate and dynamic manner by coupling a model of tissue dynamics to patient specific imagery for simulating surgery on the particular patient. The method includes a tool to add and/or to adjust the dynamic image of tissues and ability to draw any geometric shape on the dynamic image of tissues and to add the shape into the modeling system.

A lesion detection system for use with a patient, comprising an optoacoustic guide wire assembly configured to be insertable into a patient's tissue. The optical acoustic guide wire assembly can be comprised of an optical waveguide have a first end and a second end, a light source coupled to the second end of the optical waveguide, wherein said light source configured to emit energy to the patient's tissue, at least one transducer configured to detect an ultrasound signal emitted from the patient's tissue in response to energy emitted from the light source, and a computer system.

The invention relates to a device for minimally invasive attachment of a tracker (20) and/or a registration phantom (30) to a patient's bone, comprising a base (10) made of a substantially radiotransparent material, characterized in that the base (10) comprises: a support surface (11) intended to face the bone, a plurality of non-parallel through holes (14) for passing a respective percutaneous pin (2) through the base (10); at least one slot (15) extending from an edge of the base (10) in a direction transversal to the through holes (14), said slot (15) passing throughout the base (10) until the support surface (11) and being intended to engage a percutaneous pin (2) implanted into the patient's bone so as to allow the base (10) to slide along said pin (2); and a reproducible fixation system for attaching the tracker (20) and/or the registration phantom (30) to the base.

A simulation device and method for using same are provided for simulating a position of a replica human spine due to different pathologies and different surgical positions. The simulation device includes a carrier portion rotatably attached to a base portion. The carrier portion supports a first adjuster, a second adjuster, and a third adjuster for supporting various portions of the replica human spine. The carrier portion and the first, second, third supports affording adjustment of the position of the replica human spine.