A61B90/06

INSERT SENSING SYSTEM WITH MEDIAL-LATERAL SHIMS AND METHOD THEREFOR

An orthopedic system to monitor a parameter related to the muscular-skeletal system is disclosed. The orthopedic system includes electronic circuitry, at least one sensor, and a computer to receive measurement data in real-time. The orthopedic system comprises a first plurality of shims of a first type, a second plurality of a second type, a measurement module, and the computer. The measurement module houses the electronic circuitry and at least one sensor. The measurement module is adapted to be used with the first plurality of shims and the second plurality of shims. The measurement module has a medial surface that differs from a lateral surface by shape, size, or contour.

IMPLANT SIZING INSTRUMENT
20220346975 · 2022-11-03 · ·

A multi-function device useful in a surgical procedure for implanting a cartilage repairing implant in a bone is disclosed. The device includes a plurality of bone defect sizing rings or discs, where each bone defect sizing ring/disc includes a portion that is used to determine the size that correlates to the perimeter shape and size of the cartilage repairing implant. The inventive device also includes a feature that can be used to gauge the proudness of the cartilage repairing implant after the implant has been implanted into a bone.

HANDHELD ELECTROMECHANICAL SURGICAL SYSTEM
20220346777 · 2022-11-03 ·

A surgical device includes an end effector having a pair of opposing jaw members and a drive beam movable longitudinally through the pair of opposing jaw members thereby approximating the pair of opposing jaw members relative to each other. The device also includes an adapter assembly configured to selectively couple to the end effector. The adapter assembly includes an actuation assembly configured to mechanically engage the drive beam and to move the drive beam longitudinally. The device also includes a handle assembly configured to selectively couple to the adapter assembly. The handle assembly includes: a power source, a motor coupled to the power source, a sensor configured to measure a force imparted on the drive beam, and a motor controller configured to control the motor to maintain constant force on the drive beam based on the force measured by the sensor during longitudinal movement of the drive beam approximating the pair of opposing jaw members closer relative to each other.

System and a drill bit for drilling a bore in a bone and measuring a depth of the bore during surgery

A system for drilling a bore in a bone (7) and measuring a depth of the bore during surgery, said system comprising: a drill (5) comprising a drill chuck (6) for holding a drill bit; a drill bit (3) mounted in the drill chuck; at least one sensor (11,12) arranged to produce signals for determining the depth of the bore, preferably comprising a strain gauge (11) arranged to produce a signal representing a force exerted on the system during drilling, and a distance sensor (12) arranged to produce a signal representing a distance between a reference point on the system and the bone surface during drilling; first communication means (19) arranged to communicate said signals to electronic processing means; electronic processing means (16) arranged to receive said signals from said first communication means and to determine a depth of a bore from said signals; second communication means (13a) arranged to communicate said determined depth to output means; output means (2) for outputting information about the determined depth of the bore received from said second communication means; wherein said drill bit is part of a rotatable drill bit unit (1), which may or may not comprise said drill chuck; and said at least one sensor and one of said first and second communication means are mounted in the drill bit unit.

Method and system for measuring pressure in a body cavity
11607507 · 2023-03-21 · ·

A method includes receiving, from a primary pressure sensor, a pressure measurement indicative of a pressure of a patient cavity and controlling, by an insufflator, a supply of the insufflation fluid to the patient cavity based on the pressure measurement from the primary pressure sensor. The method further includes delivering, by a trocar, the supplied insufflation fluid to the patient cavity via an access port, wherein: the access port comprises a seal and a retractor; and the access port facilitates access therethrough to the patient cavity.

Reliability determination of electrode location data

Embodiments of the present disclosure include a system for determining an error associated with an electrode disposed on a medical device. The system comprises a processor and a memory storing instructions on a non-transitory computer-readable medium. The instructions are executable by the processor to receive an electrode signal from the electrode disposed on the medical device. The instructions are further executable by the processor to receive a plurality of other electrode signals from a plurality of other electrodes disposed on the medical device. The instructions are further executable by the processor to determine that the electrode signal received from the electrode disposed on the medical device is an outlier in relation to the plurality of other electrode signals from the plurality of other electrodes disposed on the medical device, based on a comparison between the electrode signal and the plurality of other electrode signals.

Systems and methods for powered surgical circular stapling instrument rotation adjustment

A method for powered surgical stapling instrument rotation adjustment includes measuring a change in position of a first motor shaft of the surgical stapling instrument relative to a stored rotation verification position of the first motor shaft resulting from manual rotation of an adapter assembly of the surgical stapling instrument in relation to a handle assembly of the surgical stapling instrument, determining a distance traveled by a first drive assembly of the adapter assembly of the surgical stapling instrument resulting from the change in position of the first motor shaft, comparing the determined distance traveled to a first stored rotation verification position of the first motor shaft, determining if the compared distance falls into a predetermined acceptable range of rotation positions, and adjusting the position of the drive shaft if the compared distance is not within the predetermined range.

TWO-PART ACCOMMODATING INTRAOCULAR LENS DEVICE
20230079479 · 2023-03-16 ·

A two-part accommodating intraocular lens (IOL) device for implantation in a capsular bag of a patient's eye. The IOL device includes a primary lens assembly and a power changing lens. The primary lens assembly includes a fixed lens and a peripherally disposed centration member. The centration member has a circumferential distal edge and a first coupling surface adjacent the circumferential distal edge. The power changing lens has an enclosed, fluid- or gel-filled lens cavity and haptic system disposed peripherally of the lens cavity. The haptic system has a peripheral engaging edge configured to contact the capsular bag and a second coupling surface. The first and second coupling surfaces are in sliding contact with one another to permit movement of the power changing lens relative to the primary lens assembly and also to maintain a spaced relationship between the fixed lens and the lens cavity during radial compression of the power changing lens.

VARIABLE-LENGTH GUIDE APPARATUS FOR DELIVERY OF A FLEXBILE INSTRUMENT AND METHODS OF USE
20230084195 · 2023-03-16 ·

Described herein is an apparatus for guiding an elongated flexible instrument, the apparatus comprising a variable-length support assembly adapted to maintain a length of the elongated flexible instrument in a fixed configuration relative to the variable-length support assembly as the variable-length support assembly is moved along a longitudinal axis. The variable-length support assembly includes a plurality of linkages connected in series along the longitudinal axis, and the variable-length support assembly has a compact configuration and an expanded configuration.

Contactless loading unit detection
11478324 · 2022-10-25 · ·

A loading unit detection system includes an elongate member, a loading unit, a magnet, and a GMR IC. The elongate member defines a receiver. The loading unit includes a connector that is configured to be received within the receiver to releasably couple the loading unit to the elongate member. The magnet is supported on the connector and is configured to translate relative to the elongate member as the connector is received within the receiver. The GMR IC is embedded within the elongate member and is configured to output a differential voltage in response to a magnetic field produced by the magnet of the loading unit. The differential voltage is indicative of the position of the loading unit within the receiver of the elongate member.