A61B17/14

ROBOTIC CUTTING SYSTEMS AND METHODS FOR SURGICAL SAW BLADE CUTTING ON HARD TISSUE

A surgical system and method of operating the same include a manipulator with a base, a robotic arm coupled to the base, and a saw tool coupled to the robotic arm to perform a cut of a bone. A control system is coupled the manipulator and obtains data defining a cutting plane for the bone and a pre-determined depth of the bone to be cut by the saw tool along the cutting plane. The control system associates a virtual planar boundary with the bone along the cutting plane and controls the manipulator to autonomously align the saw tool to the cutting plane. The control system controls the manipulator to activate and autonomously move the saw tool along the cutting plane to perform the cut. Autonomous movement of the saw tool is constrained to remain within the virtual planar boundary and not exceed the pre-determined depth.

Elastography for ligament characterization

Methods and system for characterizing ligament properties using elastography are disclosed. An ultrasound system capable of performing shear wave elasticity imaging and/or supersonic shear imaging may retrieve one or more images from a proposed surgical site. The one or more images may be provided to a surgical planning system that identifies one or more properties of ligaments proximate to the surgical site. Musculoskeletal simulations may be performed using the identified properties to preoperatively identify a surgical plan. Preoperative identification of a surgical plan may enable a surgeon to select from more fine-tuning options for a joint replacement than conventional systems.

REGISTRATION AND/OR TRACKING OF A PATIENT'S BONE EMPLOYING A PATIENT SPECIFIC BONE JIG

A method includes obtaining, via one or more processors, three-dimensional data representing a patient's bone, obtaining, via the one or more processors, three-dimensional data representing at least portions of a patient specific bone jig, the patient specific bone jig having an inner surface portion matched to an outer surface portion of the patient's bone, obtaining, via the one or more processors, image data representing the at least portions of the patient specific bone jig registered to the patient's bone, and generating, via the one or more processors, data representing a location and an orientation of the patient's bone based on the obtained image data, the obtained three-dimensional data representing the patient specific bone jig, and the obtained three-dimensional data representing the patient's bone. In another embodiment, a patient specific bone jig with predetermined spatial indicia registered to a portion of the patient's bone may be employed with point sampling.

END EFFECTOR IDENTIFICATION IN SURGICAL ROBOTIC SYSTEMS

Systems, methods, and devices are disclosed for end effector identification in robotic surgical systems. A surgical robot can be coupled to an end effector. The system can identify the end effector using data received from the end effector. The system can adjust operation of the surgical system, including the robot arm, based on the data received from the end effector. Data received from or regarding the end effector can include detected characteristics, retrieved characteristics, or data stored on the end effector and communicated to the system. Both the identification and the operation adjustments can be performed automatically such that the system experiences little to no lag or downtime when coupling with different end effectors.

ROTATABLE BLADE GUARD FOR SURGICAL SAW
20230008215 · 2023-01-12 · ·

A surgical saw assembly that is adapted for cutting an anatomy. The surgical saw assembly includes a blade guard that supports a saw blade prevent deflection or skiving of the saw blade. The blade guard is rotatably moveable and has a front edge profile that interacts with a surface of the anatomy. The front edge profile has a geometry that is at least partially curved and/or follows a non-linear path of movement to provide a smooth interaction between the blade guard and the surface of the anatomy during rotational cuts that are not directly normal to the anatomical surface.

Patellar tendon graft and anterior cruciate ligament (ACL) reconstruction method using suture tape augmentation
11547550 · 2023-01-10 ·

The present disclosure generally pertains to methods and kits for preparing an ACL repair surgical implant, the method including drilling femoral and tibial bone plugs of a tendon graft to create medial to lateral holes, and passing a braided suture around the tendinous portion of the tibial end, through soft tissue, and out the tibial end. Next, an anterior to posterior femoral hole is drilled, and a flat-braided suture is passed through the femoral medial to lateral hole and, using a bent needle, passed through junctions of the femoral bone plug and the tendinous portion and out through junctions of the tibial bone plug and the tendinous portion on both sides of the graft. Ends of the flat-braided suture are crisscrossed through the medial to lateral tibial hole. A bone-to-bone fixation suture assembly is passed through the anterior to posterior femoral hole.

Intervertebral implant with keel

An intervertebral implant component of an intervertebral implant includes an outer surface for engaging an adjacent vertebra and an inner surface. A keel extends from the outer surface and is designed to be disposed in a slot provided in the adjacent vertebra. This keel extends in a plane which is non-perpendicular to the outer surface; and preferably there are two of the keels extending from the outer surface which are preferably offset laterally from one another. In another embodiment, an anterior shelf is provided at an anterior end of the outer surface, and this anterior shelf extends vertically away from the inner surface in order to help prevent bone growth from the adjacent vertebra towards the inner surface. Further in accordance with disclosed embodiments, various materials, shapes and forms of construction of the component and/or keel provide various benefits.

Irrigation system and clip for a surgical instrument

An irrigation system for a surgical instrument includes an irrigation tube arranged to convey an irrigation fluid and an irrigation clip structurally arranged to receive a portion of the irrigation tube. The irrigation clip includes a proximal portion, a distal portion, a body portion, and an arm portion. The arm portion is structurally configured to selectively attach the irrigation clip to the surgical instrument and to bias the irrigation clip toward the surgical instrument with a biasing force. The irrigation clip includes a tube locking portion structurally arranged to cooperate with the surgical instrument to engage the outer surface portion of the irrigation tube to inhibit rotation and axial displacement of the irrigation tube relative to the irrigation clip in response to the biasing force.

Irrigation system and clip for a surgical instrument

An irrigation system for a surgical instrument includes an irrigation tube arranged to convey an irrigation fluid and an irrigation clip structurally arranged to receive a portion of the irrigation tube. The irrigation clip includes a proximal portion, a distal portion, a body portion, and an arm portion. The arm portion is structurally configured to selectively attach the irrigation clip to the surgical instrument and to bias the irrigation clip toward the surgical instrument with a biasing force. The irrigation clip includes a tube locking portion structurally arranged to cooperate with the surgical instrument to engage the outer surface portion of the irrigation tube to inhibit rotation and axial displacement of the irrigation tube relative to the irrigation clip in response to the biasing force.

Alloy for biomedical use and medical product

An alloy for biomedical use includes Zr as a main component, Nb the content of which is not less than 0.1% by weight and not greater than 25% by weight, Mo the content of which is not less than 0.1% by weight and not greater than 25% by weight, and Ta the content of which is not less than 0.1% by weight and not greater than 25% by weight. A tensile strength of the alloy is not less than 1000 MPa. A total content of Nb, Mo, and Ta in the alloy is not less than 2% by weight and not greater than 50% by weight. Mass susceptibility of the alloy is not greater than 1.50×10.sup.−6 cm.sup.3/g. A Young's modulus of the alloy is not greater than 100 GPa. Also disclosed is a medical product including the alloy and a method for producing the alloy.