A61B2017/00955

CONTINUOUS FIBER BONE SCREW AND METHOD OF MANUFACTURE

The present disclosure provides for a bone screw formed of continuous fibers, for example. The bone screw may include a first portion having a cylindrical shape and extending in a longitudinal direction from a first end to a second end, for example. In various embodiments, the first portion may include a thermoplastic material and/or be substantially formed of a thermoplastic material. In various embodiments, the bone screw may include a second portion coupled to the first portion and surrounding the first portion, at least partly, for example. In various embodiments, the second portion may include a plurality of layers, each layer comprising a continuous fiber material, for example. In various embodiments, the continuous fibers may be oriented longitudinally, diagonally, helically, radially, etc. In various embodiments, the second portion may define an exposed thread pattern and a leading tip.

Methods and devices to ameliorate vascular obstruction
11259820 · 2022-03-01 ·

Methods for removing blockages and preventing thromboembolic injuries, by advancing to a blockage a first tubular, endovascular device receiving irrigating fluid through a proximal opening, having a circumferential wall, lumen, at least one distal side hole oriented angularly to a distal opening; ejecting fluid from the side hole(s) to irrigate a blockage; introducing a second catheter for aspiration, comprising a circumferential wall having a proximal and distal opening, a flared, semi-permeable filter at the distal end for removal of emboli through the second lumen; advancing the second device to a blood vessel receiving blood from the blocked vessel, aspirating the blockage, axially rotating the first endovascular device having at least one half-loop to macerate an obstruction, capturing and removing emboli from the blockage through the second endovascular device which prevents emboli from causing further blockage of blood vessels. Variants of said method including a third rotatable device.

Expandable introducer sheath

An expandable introducer sheath for use in inserting a medical device into a body vessel of a patient includes a body which extends from a proximal end to a distal end along an axis. The body includes an inner layer, an outer layer, and an expandable reinforcement member which is disposed between said inner and outer layers. The expandable reinforcement member is configured to radially expand as the medical device is axially advanced or retracted through said introducer sheath. Once the medical device has exited the introducer sheath, the expandable reinforcement member facilitates a return of the introducer sheath to its original or unexpanded condition.

Tissue containment device for use in surgical procedures
11253239 · 2022-02-22 · ·

A tissue containment device (10) for isolating tissue from surrounding tissue during a surgical procedure to remove the tissue includes a bag (12) formed by one or more walls (14) defining a containment compartment (16) and an opening (18) for accessing the containment compartment. Each wall (14) is formed from at least two layers including an inner layer (20) facing the containment compartment and an outer layer (22) facing outwards from bag (12). The layers define between them one or more inflatable volumes (24). Layers (20) and (22) are interconnected at spaced-apart connection regions (28) that are arranged such that, when a fluid is introduced into the inflatable volumes (24), regions of the at least two layers between the connection regions form wall cavity regions surrounding an internal volume of the containment compartment.

Device for grasping an elongated body, such as a needle, and robotized device comprising the same

A device for selectively grasping a part of a separate elongated body extending through the device, includes at least three partially mobile jaw members defining between them a through hole of variable diameter depending on their mutual relative positioning, supporting and driving elements to which the jaw members are mounted and which are adapted to provide a coordinated motion to the members around the elongated body situated in the variable through hole, resulting in a closing or opening of the through hole. The jaw members have an elongated shape with two opposed ends and the supporting and driving elements include a circular or annular support body to which a first end of each jaw member is connected and a mobile annular driving body to which a second opposed end of each jaw member is connected.

Methods and devices for intracorporeal bonding of implants with thermal energy

The present invention provides a method for stabilizing a fractured bone. The method includes positioning an elongate rod in the medullary canal of the fractured bone and forming a passageway through the cortex of the bone. The passageway extends from the exterior surface of the bone to the medullary canal of the bone. The method also includes creating a bonding region on the elongate rod. The bonding region is generally aligned with the passageway of the cortex. Furthermore, the method includes positioning a fastener in the passageway of the cortex and on the bonding region of the elongate rod and thermally bonding the fastener to the bonding region of the elongate rod while the fastener is positioned in the passageway of the cortex.

PATIENT-SPECIFIC SURGICAL INSTRUMENT AND METHODS FOR MAKING IT
20170245935 · 2017-08-31 ·

A method for making a customized orthopedic surgical instrument for use in repairing a joint of a patient includes: obtaining image data associated with at least a portion of a bone corresponding to the joint of the patient; generating instructions to form a patient-specific orthopedic surgical instrument based at least in part on the image data; and forming the patient-specific orthopedic surgical instrument based on the instructions. The patient-specific orthopedic surgical instrument includes a resin composition, the resin composition including from about 50 wt % to about 90 wt % of a base thermoplastic and from about 10 wt % to about 50 wt % of a filler material. The base thermoplastic includes polyetherimide, polycarbonate, modified polyphenylene ether, polyamide, copolymers of these thermoplastics, and combinations thereof. The orthopedic surgical instrument includes at least one surface portion having a shape that substantially conforms to a corresponding surface portion of the bone.

SINGLE-USE ORTHOPEDIC SURGICAL INSTRUMENT
20170245871 · 2017-08-31 ·

An orthopedic surgical instrument includes from about 40 wt % to about 85 wt % of a base thermoplastic and from about 15 wt % to about 60 wt % of a filler material. The base thermoplastic includes polyetherimide, polycarbonate, modified polyphenylene ether, polyamide, copolymers of these thermoplastics, and combinations thereof. In some aspects all materials in the orthopedic surgical instrument are biocompatible. An orthopedic surgical kit includes an orthopedic surgical instrument and a container suitable for sealing the orthopedic surgical instrument therein. The orthopedic surgical instrument in the kit includes from about 50 wt % to about 90 wt % of a base thermoplastic selected from the group consisting of polyetherimide, polycarbonate, modified polyphenylene ether, polyamide, copolymers of these thermoplastics, and combinations thereof, and from about 10 wt % to about 50 wt % of a filler material.

Device and method for establishing an anchorage in tissue

A perforated sheath is anchored in a tissue opening with the aid of a tool, wherein the anchorage is achieved with the aid of mechanical vibration and a material which is liquefiable by the vibration. The tool includes a vibrating element and a counter element. Distal portions of both elements are introduced into the sheath to be in contact with each other at an interface. The vibrating element is connected to a vibration source and the vibrating element and the counter element are held against each other for effecting liquefaction of the liquefiable material at the interface. Under the effect of the force applied to the vibrating and counter element for holding them against each other, the liquefied material flows from the interface through the sheath perforation and penetrates the tissue.

NEUROVASCULAR CATHETER EXTENSION SEGMENT
20170239447 · 2017-08-24 ·

A neurovascular catheter extension segment is provided, such as for distal neurovascular access or aspiration. The neurovascular catheter extension segment includes 1) an elongate flexible control wire having a proximal end and a distal end and 2) a tubular extension segment having a side wall defining a central lumen carried by the distal end of the control wire. The side wall of the tubular extension segment includes a tubular inner liner, a tie layer separated from the lumen by the inner liner, a helical coil surrounding the tie layer, and an outer jacket surrounding the helical coil. The extension segment may be introduced into the proximal end of a neurovascular catheter and advanced distally to extend beyond the catheter and thereby extend the reach of the catheter.