A61B2017/320088

HOLDING DEVICE FOR A LITHOTRIPSY DEVICE FOR FRAGMENTING CALCULI, AND LITHOTRIPSY DEVICE
20240197345 · 2024-06-20 ·

The invention relates to a holding device for a lithotripsy device for fragmenting calculi, the holding device comprising a housing for accommodating assemblies and/or components, and a sonotrode being connectable to the distal end of the housing, arranged within the housing there being an acceleration tube with a longitudinal center axis, a cavity, and with a movable projectile within the cavity for shock excitation of the sonotrode, a proximal-side abutment element arranged at the proximal end, and a distal-side abutment element arranged at the distal end of the acceleration tube, and the holding device being assignable a force generation apparatus for generating a force for moving the projectile back and/or forth, and a vibration excitation apparatus for exciting vibrations of the sonotrode and a vibration damping apparatus being arranged in the housing, wherein the vibration damping apparatus comprises at least one mass and at least two spring elements with two ends each, the at least two spring elements contacting the mass with their respective one end and at least one spring element, with its second end, contacting an inner surface of the housing. The invention also relates to a lithotripsy device.

HOLDING DEVICE FOR A LITHOTRIPSY DEVICE, AND LITHOTRIPSY DEVICE FOR FRAGMENTING CALCULI
20240197344 · 2024-06-20 ·

The invention relates to a holding device for a lithotripsy device for fragmenting calculi, the holding device comprising a housing with a distal end and a proximal end and a sonotrode being connectable to the distal end, arranged within the housing there being an acceleration tube with a longitudinal center axis, a cavity, a proximal end, and a distal end, and with a movable projectile within the cavity for shock excitation of the sonotrode, a proximal-side abutment element arranged at the proximal end, and a distal-side abutment element arranged at the distal end of the acceleration tube, and the holding device being assignable a force generation apparatus for generating a force for moving the projectile back and/or forth between the proximal-side abutment element and the distal-side abutment element, and a vibration excitation apparatus for exciting vibrations of the sonotrode being arranged in the housing, wherein the holding device comprises a vibration compensation apparatus with at least one mass and at least one spring element such that the vibration compensation apparatus makes it possible to decouple the acceleration tube from the excitation of vibrations by means of the vibration excitation apparatus. The invention also relates to a lithotripsy device for fragmenting calculi.

Insert assembly with radiofrequency identifier for medical device
12011324 · 2024-06-18 · ·

An insert assembly has an insert having an insert metal tang, and a radiofrequency identifier having a ferromagnetic layer in contact with the insert metal tang and including ferromagnetic material, a dielectric layer in contact with the ferromagnetic layer, an insert antenna in contact with the dielectric layer and having an insert antenna metal element extending along a planar profile for receiving and transmitting electromagnetic fields, and an identification chip operatively connected to the insert antenna for transmitting and receiving information about the insert assembly. The ferromagnetic layer reduces or cancels attenuation and/or distortion phenomena of electromagnetic fields. A transceiver device puts the identification chip in wireless communication with a handpiece antenna. The identification chip avoids protruding from a first or outer side of the planar profile. A part of the identification chip protrudes with a chip portion from a second or inner side of the insert antenna metal element. The chip portion is received in a chip seat.

Ultrasonic surgical instrument with a carrier kart and reusable stage

A surgical instrument includes an end effector, a shaft assembly, a carrier, and a support structure. Shaft assembly extends proximally from the end effector. The shaft assembly defines a longitudinal axis. The carrier is configured to translate the end effector along the longitudinal axis. The carrier includes a carriage, an actuation driver, and an actuation assembly. The actuation driver is configured to rotate along an axis parallel to the longitudinal axis. The actuation assembly is operatively coupled with the actuation driver and the carriage. The support structure includes a supporting portion. The supporting portion is configured to reduce torsional forces exerted on the carriage as the actuation assembly transfers the rotation of the actuation driver into translation of a portion of the shaft assembly to actuate the end effector.

PROBE, TREATMENT INSTRUMENT AND TREATMENT DEVICE

A probe configured to be connected to a transducer unit configured to generate ultrasonic vibration, includes an elongated vibration transmission portion configured to transmit the ultrasonic vibration; and an engagement member provided on and/or near an outer circumference at a position which becomes a node of the ultrasonic vibration when the ultrasonic vibration is transmitted to the vibration transmission portion, the engagement member being formed by a material of an identical to or smaller damping rate than a damping rate of the ultrasonic vibration in the vibration transmission portion, and the engagement member being engaged with an exterior member disposed on an outer side of the vibration transmission portion.

Actuation mechanisms and load adjustment assemblies for surgical instruments

An ultrasonic surgical instrument includes an inner tube, an outer tube, an ultrasonic blade, and a clamp member pivotably moveable relative to the ultrasonic blade. The ultrasonic blade is acoustically coupled to an ultrasonic transducer. The clamp member pivotably movable relative to the ultrasonic blade between an open configuration and an approximated configuration with respect to the ultrasonic blade, wherein the clamp member is pivotably coupled to the inner tube, wherein the clamp member is pivotably coupled to the outer tube, and wherein movement of the outer tube relative to the inner tube between the first position and the second position transitions the clamp member between the open configuration and the approximate configuration.

ULTRASONIC SURGICAL INSTRUMENTS

A surgical instrument comprising a transducer configured to produce vibrations along a longitudinal axis. The surgical instrument further comprises an ultrasonic blade extending along the longitudinal axis. The ultrasonic blade is coupled to the transducer and comprises a body and a treatment region. The body comprises a proximal end, a distal end, and a bottom surface. The distal end of the body is movable relative to the longitudinal axis by the vibrations produced by the transducer. The treatment region extends from the proximal end to the distal end. The surgical instrument further comprises a protective sheath disposed adjacent to the bottom surface of the ultrasonic blade.

Method of operating an articulating ultrasonic surgical instrument

An apparatus comprises a body assembly, a shaft, an acoustic waveguide, an articulation section, an end effector, and an articulation drive assembly. The shaft extends distally from the body assembly and defines a longitudinal axis. The acoustic waveguide comprises a flexible portion. The articulation section is coupled with the shaft. A portion of the articulation section encompasses the flexible portion of the waveguide. The articulation section comprises a plurality of body portions aligned along the longitudinal axis and a flexible locking member. The flexible locking member is operable to secure the body portions in relation to each other and in relation to the shaft. The end effector comprises an ultrasonic blade in acoustic communication with the waveguide. The articulation drive assembly is operable to drive articulation of the articulation section to thereby deflect the end effector from the longitudinal axis.

Ultrasonic surgical instrument with AD HOC formed blade
10258362 · 2019-04-16 · ·

A method of forming a component of an ultrasonic surgical instrument includes accessing a file including a digital model representing the component. The component includes a proximal portion and a distal portion. The proximal portion includes a contact portion. The distal portion includes an ultrasonic blade. The contact portion is configured to transmit ultrasonic vibrations to the ultrasonic blade when the component is acoustically coupled to a complementary portion of an acoustic waveguide of the ultrasonic surgical instrument. The file is used to fabricate the component via an additive manufacturing process. Once the component has been fabricated, the distal portion is secured to a distal end of the complementary portion of the acoustic waveguide.

Drug delivery via mechanical vibration balloon

A drug coated inflatable balloon catheter (200) configured to vibrate is disclosed. The vibration can dislodge the drug from the balloon. The vibration can also improve delivery of the drug to deeper layers of a vessel wall. The balloon catheter can include one or more support wires. The support wires can be coupled to an ultrasound transmission member (120). The ultrasound transmission member can transmit ultrasonic vibrations to the support wires and/or the balloon wall.