Abstract: An orthodontic appliance includes a body defining a slot including an inserting portion including an open end, and a receiving portion spaced apart from the open end and communicating with the inserting portion. A locking member is at least partially and movably received within an opening. The locking member is movable at least along the first axis between a locked state and an unlocked state and is normally biased to the locked state. In the locked state, the locking member at least partially extends into the inserting portion to removably retain the archwire within the receiving portion. In the unlocked state, the locking member is displaced from the locked state into the opening along the first axis, such that upon application of an external force, the locking member is movable to the unlocked state to allow movement of the archwire between the inserting portion and the receiving portion.

Abstract: The present invention provides a biocompatible film having biological safety and a stable effect. The present invention provides a biocompatible film containing magnesium and optionally containing calcium, in which the weight of calcium is 0 to 40% by weight relative to the total weight i.e., 100% by weight, of magnesium and calcium, the biocompatible film having such antibacterial properties that the antibacterial activity value is 2.0 or more.

Abstract: A medical implant includes a base portion configured for implantation into a bone of a patient. The base portion is formed from an electrically insulating and biocompatible base material with retaining features on an outer surface of the base portion for gripping the bone in the patient and at least two discontinuous regions formed of titanium on the outer surface.

Abstract: A dental implant that facilitate insertion and can be used in all bone types. The implant includes a body having a coronal end, and an apical end opposite the coronal end. A tapered region may be adjacent the apical end. On the apical part one or more taps are provided so the tap is cutting when rotating clockwise and counter-clockwise. The implant can have at least one variable profile helical thread that extends along the tapered region. The implant can have also micro-threads below the main threads, a gradual compressing tapered core, a self drilling apical end and a narrow coronal region.

Abstract: A dental implant device and system, and in particular to a dental implant abutment that is personally configured and easily implemented by a practitioner. The dental implant device in the form of an abutment base featuring a body having a dual functioning single internal connection interface including a central channel and a seat the body featuring a distal portion comprising an anchor coupling interface; and a proximal portion comprising the dual functioning single internal connection interface wherein the seat is disposed adjacent to a proximal surface of the proximal portion.

Abstract: A dental sub-assembly for individual prosthetic restoration of a tooth is shaped so as to be received on a dental implant. The dental sub-assembly is able to be assembled with a first element in the form of a core on which stratification is performed, or in the form of a ceramic core. The first element has a first through-passage. The dental sub-assembly includes a ring intended to be fitted into the first through-passage of the first element and to be retained firmly in order to form there a seat for a first fastening screw intended to be screwed into the dental implant.

Abstract: A dental implant includes a generally cylindrical body, an interior bore, and a non-rotational feature. The generally cylindrical body has a main-central axis and is formed from cold-worked, high strength, commercially pure titanium having an ultimate tensile strength of at least about 900 MPa. The generally cylindrical body has a proximal portion and an opposing distal portion for anchoring the dental implant in bone of a patient. The interior bore is formed in the generally cylindrical body and has (i) a bore-central axis and (ii) a threaded portion for receiving a screw that is configured to removable hold an abutment in engagement with the dental implant. The non-rotational feature is configured to engage the abutment in a non-rotational fashion.

Abstract: The present disclosure provides methods and systems for performing dental scans, including a method for performing a dental scan, comprising: (i) providing an intraoral adapter comprising: a viewing channel located between a proximal portion and a distal portion of an elongated housing and a mounting mechanism provided on the distal portion of the elongated housing, wherein the mounting mechanism is configured to couple the intraoral adapter to a mobile device, wherein the mobile device comprises: (a) a camera configured to capture videos or images, (b) at least one orientation sensor or at least one motion sensor, and (c) a processing unit configured to (1) process orientation or motion sensors data, and (2) process a plurality of videos or images; (ii) providing a feedback device; (iii) coupling the intraoral adapter to the mobile device; and (iv) performing a dental scan, wherein the feedback device connected to the mobile device generates a dental scan output based on one or more dental scan properties an

Abstract: The present disclosure relates to the technical field of image fusion, and provides a method and apparatus for three-dimensional dynamic tracking, an electronic device, and a storage medium. The method includes: acquiring facial dynamic data, three-dimensional tooth data, and face template data; registering the acquired facial dynamic data, three-dimensional tooth data, and face template data to a preset coordinate system to obtain initial point cloud data; fusing initial depth point cloud data to acquire a contour plane, and acquiring target depth point cloud data; back-projecting the target depth point cloud data to initial texture data, and acquiring target texture data corresponding to the facial dynamic data after back-projection; optimizing initial face template point cloud data to acquire target face template point cloud data fitting the target face template point cloud data and a tooth region identified by the initial texture data with initial three-dimensional tooth data in a fitting region.

Abstract: The present disclosure relates to a three-dimensional scanning system, a method and apparatus for processing scanning data, and a storage medium. The system includes a three-dimensional scanning device and auxiliary member. The auxiliary member is configured to be mounted on an implant of a dental arch in an oral cavity. The three-dimensional scanning device is configured to scan the oral cavity to obtain local multi-frame three-dimensional data of the oral cavity, and to finally optimize and determine, on the basis of the local multi-frame three-dimensional data of the oral cavity and standard three-dimensional data of the auxiliary member, overall three-dimensional data of teeth and gums in the oral cavity. The three-dimensional scanning system can achieve the purposes of reducing the optimization cost and improving the accuracy of the full dental arch, and meets the accuracy requirements of multiple-missing-position or edentulous jaw implant bridges, thereby facilitating popularization and application.

Abstract: To provide a zirconia perfect sintered body which has a chroma of an excellent color tone and excellent translucency as compared with a zirconia mill blank for dental cutting and machining prepared from a zirconia raw material powder containing various stabilizing materials while maintaining high strength, and does not cause deformation.

Abstract: To provide a zirconia perfect sintered body which has a chroma of an excellent color tone and excellent translucency as compared with a zirconia mill blank for dental cutting and machining prepared from a zirconia raw material powder containing various stabilizing materials while maintaining high strength, and does not cause deformation.

Abstract: Systems and computer-readable media for preparing a dental restoration having optical properties matching optical properties of a patient's tooth may be configured to generate a volumetric model of at least a portion of the patient's tooth from a three-dimensional (3D) intraoral scan including both near-IR wavelength data and visible light wavelength data providing both an accurate outer surface of the patient's tooth and an internal structure of a region of enamel extending from the outer surface of the patient's tooth to the patient's dentine.

Abstract: The present disclosure provides a nozzle for oral irrigator, comprising a spray head, the spray head comprising: a spray head main body, defining a first flow channel extending in an axial direction therein, one end of the first flow channel is formed as a water inlet, and the other end is formed as a water outlet; and a stopping structure, comprising two limiting portions and two locating portions, the first direction and the second direction are perpendicular to each other, and the two limiting portions respectively extend from the spray head main body in directions away from each other, such that a first free end of the two abutting members extending from the spray head main body is farther away from the axial direction of the spray head main body than a second free end of the two locating portions extending from the spray head main body.

Abstract: A mouthpiece-type teeth cleaner, comprising: an excitation source, configured to generate one or more groups of alternating excitation signals; and a cleaning system, configured to generate one or more cleaning operations according to the excitation signals, with different cleaning actions applied to various parts of the teeth; wherein the teeth cleaner has a correlation between the cleaning operation and the cleaning action and each part of the tooth, and the correlation enables each part of the tooth to be individually cleaned.

Abstract: A storage system for an orthodontic device is disclosed. The storage system includes a case having a first side, a second side engaged with the first side and forming an interior pocket between the first side and the second side. The storage system also includes a removal tool which includes a removal cloth engaged with the case. The removal tool includes a first pocket and a second pocket.

Abstract: A custom bleaching tray or device with trench and material pocket/reservoir is disclosed. The device comprises a trench to avoid leakage of bleaching material onto the gingiva and a reservoir to precisely hold the bleaching material on the surface of the tooth. A method for forming a 3D-printed custom bleaching tray may include: providing or accessing teeth scan data associated with a patent's mouth; generating a digital model of the patient's mouth based on the teeth scan data, including manipulating the teeth scan data to form: a trench between one or more teeth and a gingiva region of the teeth scan data, and a bleaching material reservoir on a surface of each of the one or more teeth of the teeth scan data; and 3D-printing, based on the digital model, a 3D-printed bleaching tray. A thermoforming process may be applied to the 3D-printed bleaching tray.

Abstract: An estrous sensor, which is implanted into a body of a domestic animal and detects estrus of the domestic animal, includes a first channel interface circuit, an output circuit, a temperature measurement circuit, and determination circuit determines whether the domestic animal is estrous based on the electrical conductivity of the body fluid of the domestic animal and the temperature within the body of the domestic animal.

Abstract: The present disclosure relates to a novel surgical material comprising mesh and a polymer composition, and its use in treating a hernia and related diseases and conditions. The present disclosure also relates to a method of manufacturing the surgical material.

Abstract: A medical device for applying a sheet-shaped delivery object to a target site, the medical device including a main body having an elongated shaft portion and a holding portion provided at a distal end of the shaft portion for holding the sheet-shaped delivery object, in which the holding portion has a tapered portion widening in a tapered manner from the distal end of the shaft portion and a placement portion extending from the tapered portion, and both end portions of the placement portion are folded back inward at least on a proximal end side.

Abstract: Systems, devices, and methods are provided for the delivery of an implant into the prostatic urethra. Embodiments of implants are disclosed where the implants can have an elastic main body that is biased towards an at-rest configuration where the body forms multiple expander sections coupled together by interconnect portions. The expander sections can have numerous different shapes and configurations.

Abstract: Embodiments disclosed herein are directed to an implantable graft system configured to deliver drugs or similar therapeutic agents directly to a graft implanted in a vasculature. The graft system can include a graft body defining a lumen extending between a first end and a second end, a delivery line coupled to a surface of the graft body and an access port in fluid communication with the delivery line. The graft system can further include one or more channels extending through the wall of the graft body and communicating between a lumen of the graft body and a lumen of the delivery line. Therapeutic agents can be delivered to the graft lumen by accessing the port. Embodiments can include the graft body formed of an impervious material. As such, the infusion rate can be accurately determined by the configuration of the delivery line and/or channels of the graft system.

Abstract: A medical device (100), comprising: a stent graft (110), defined thereon with an opening (111); a catheter (120), configured to be partially arranged inside the stent graft (110); and a restraint member (130), configured to apply a radial compression force to the stent graft (110), so as to radially compress the stent graft (110) into a compressed configuration; the medical device (100) is configured so that the opening (111) is in positional correspondence with a distal end of the catheter (120) when the stent graft (110) is in the compressed configuration; the distal end refers to an end that first enters a body of a patient during use of the medical device (100). The medical device (100) can be used for the treatment for vascular lesions involving the aortic arch, which is favorable for establishing access in the branch vessel and shortening the operation duration.

Abstract: A visceral double-barreled main body stent graft and methods for its use, the stent graft comprises, a main body stent graft having distal and proximal ends, the main body stent graft's length ranges from about 100-120 mm and diameter at the proximal end ranges from about 30-45 mm, first and second lumens defined at the main body stent graft's distal end, the first lumen's diameter ranges from about 18-20 mm, the second lumen's diameter ranges from about 16-18 mm, the first and second lumens have about the same length from about 50-70 mm, the first lumen is secured to the second lumen along a shared length, and the main body stent graft defines a tubular wall that is contiguous with the first and second lumens such that any fluid entering the main body must exit through one of the first or second lumens.

Abstract: An implantable tendon protection system includes a body adapted to be implanted within a bursa overlying a tendon of a patient to protect the tendon. The body may be fixed to the tendon with adhesive, sutures, staples, and/or anchors. A surgical kit is provided with such a tendon protection system and an insertion cannula. Methods of protecting a tendon of a patient are also disclosed.

Abstract: A tensioner for tensioning a syndesmosis construct may include a body, a shaft, and a slide. The body may include a first marking and the slide may include a second marking. The distal end of the shaft may movably translate relative to the body from a first proximal position closer to the body to a second distal position further away from the body, such that, when the syndesmosis construct is coupled to the slide and the distal end of the shaft is moved from the first proximal position to the second distal position, the slide may translate distally along the body from a third proximal position to a fourth distal position, and a relative position of the second marking to the first marking may indicate an amount of tension force that is applied to the syndesmosis construct.

Abstract: One embodiment of the present invention provides a breast implant comprising: a filler material comprising two or more types of silicone gel, having different cohesive strengths; and a silicone shell housing the filler material.

Abstract: Described herein are intraocular lenses and methods of implantation. In one aspect, the lens includes a shape changing optical element; a force translation element having a first end region coupled to the optical element and a second end region extending towards a ciliary structure, and an attachment portion coupled to the second end region of the force translation element and configured to contact the ciliary structure. The force translation element is configured to functionally transmit movements of the ciliary structure into a force exerted upon the optical element to effect an accommodating and a disaccommodating change of the optical element.

Abstract: A system for displaying intraocular images that includes a shape-adjustable lens with a transparent display disposed on the lens. When the shape of the lens changes, the transparent display's shape also changes, causing an image to be distorted. The system detects the change in the shape of the lens or the display and corrects the image accordingly so that it is once again properly displayed and viewed by the wearer of the system.

Abstract: Crosslinked polymer coatings which provide the lubrication of the inner surface of a cartridge used as an intermediary for the implantation of intraocular lenses (IOL) in order to replace the natural lens with an artificial lens after removal of the natural lens that has lost its transparency in cataract surgery, in order to facilitate the delivery of the intraocular lens are provided. The objective of the invention is to develop a coating which will enable the intraocular lens (IOL) to be easily implanted through the cartridge without damaging it, remains stable during its long shelf life, and is flexible and lubricious.

Abstract: A self-expanding prosthetic heart valve includes an inner frame and an outer sealing frame. A lower region of the outer sealing frame is coupled to a lower region of the inner frame. At least a portion of the outer frame has a D-shape cross-section for conforming to a shape of a native heart valve annulus. Elongate anchors are positioned outwardly from the outer sealing frame for anchoring to native leaflets. Preferably, the native leaflets are secured between the anchors and an outer surface of the outer sealing frame. A valve body is positioned within an interior lumen of the inner frame and provides a one-way valve mechanism for replacing the function of the native leaflets. For additional stability, a further anchoring mechanism may extend from the inner frame for attachment to a heart wall. The prosthetic heart valve is well-suited for replacing the function of a native tricuspid valve.

Abstract: A prosthetic valve includes an outer frame defining an outer frame lumen, the outer frame including an inflow flange that flares radially outward, a medial portion having a straight wall frame segment, and an outflow end portion that tapers radially inward. The prosthetic valve can further include a leaflet support structure, one or more leaflets secured to the leaflet support structure, and a retention structure configured to hold the leaflet support structure in a fixed position relative to the outer frame when the leaflet structure is disposed at least partially within the outer frame lumen in a deployed configuration of the prosthetic valve.

Abstract: A replacement heart valve device is disclosed. In some embodiments, the device includes a frame coupled to one or more leaflets that are moveable between open and closed configurations. In some embodiments, the frame comprises at least two frame sections that join at a pair of commissural posts. In some embodiments, the device may be geometrically accommodating to adapt to different vasculature shapes and sizes and/or to be able to change size while implanted within a growing patient.

Abstract: An implantable prosthetic valve assembly, according to one embodiment, comprises a frame assembly including a plurality of struts and a prosthetic valve secured inside the frame assembly by one or more sutures. At least one of the plurality of spaced struts contains a recess that accepts a portion of the one or more sutures.

Abstract: In some embodiments, a medical device delivery system includes a catheter and a retainer. The retainer can be engaged with the medical device to restrain relative movement of the medical device in one or more axial and/or radial directions. A variety of retainers and retainer systems are disclosed, many of which can reliably disengage the medical device from the retainer. Methods for using the medical device delivery system are also described.

Abstract: A method include of delivering a heart valve prosthesis includes loading the heart valve prosthesis in a crimped configuration within a dilator shaft, tracking the dilator shaft within a vasculature of a patient to a desired site with the heart valve prosthesis loaded therewithin, advancing a delivery device through the dilator shaft to the distal end of the dilator shaft, advancing the delivery device through the heart valve prosthesis to load the heart valve prosthesis onto the delivery device, advancing the delivery device with the heart valve prosthesis mounted thereon past the distal end of the dilator shaft to a treatment site within the vasculature of the patient, and deploying the heart valve prosthesis from the delivery device at the treatment site.

Abstract: The present disclosure describes devices, systems, and methods for intravascularly delivering an implantable device to a targeted anatomical site such as the mitral annulus. A delivery system includes a delivery member coupled to a handle assembly and extending distally from the handle assembly. A delivery catheter is concentrically positioned within an outer member and configured to advance the intravascular device relative to the outer member. The delivery catheter includes a distal can structure configured to house at least a portion of the intravascular device in a compressed, pre-deployed position.

Abstract: An implant delivery device (10) and an implant delivery system are disclosed. The delivery device (10) includes a delivery assembly, a first flexible catheter (11) and a second flexible catheter (12). At least a part of the delivery assembly is movably inserted in the first flexible catheter (11) along an axial direction thereof, and both the first flexible catheter (11) and the delivery assembly are movably inserted in the second flexible catheter (12) along an axial direction thereof and configured to protrude out of the second flexible catheter (12) from its distal end. The first flexible catheter (11) and the second flexible catheter (12) are configured to bend independently. The delivery assembly changes its extension direction when bent shapes of the first flexible catheter (11) and the second flexible catheter (12) vary.

Abstract: A prosthetic valve delivery assembly includes a dilator including a first tapered region extending along a dilator axis. The first tapered region includes a tapered shape with a first diameter at a distal end and a second diameter at a first central end. The second diameter is greater than the first diameter. A central region includes the second diameter that is substantially constant along a central length of the central region. A second tapered region includes a tapered shape with the second diameter at the second central end and a third diameter at a third central end. The third diameter is less than the second diameter. A proximal shaft region extends from the third central end. The proximal shaft region includes the third diameter such that a difference between the second diameter and the third diameter is within a French gauge range from about 3 Fr to about 5 Fr.

Abstract: A delivery device for percutaneously delivering a stented prosthetic heart includes a sheath, a handle, and adjustment device including a fine adjustment mechanism, and an outer stability shaft. The sheath defines a lumen and is configured to compressively constrain the stented prosthetic heart valve. The handle is coupled to the proximal portion of the sheath and includes an actuator mechanism coupled to a proximal portion of the sheath that is configured to selectively move the sheath relative to the housing to release the stented prosthetic heat valve. The adjustment device is coupled to the handle and includes an adjustment lumen through which the sheath and the handle slidably extend. The outer stability shaft is coupled to the adjustment device. The fine adjustment mechanism is configured to selectively move the handle and the sheath relative to the adjustment device and the outer stability shaft.

Abstract: Among other things, there are disclosed embodiments of devices used for minimally-invasive treatments, such as treatment of mitral valves. In a system for placing an annuloplasty belt around the heart, embodiments for tensioning a suture associated with the belt are provided, as are embodiments of a suture lock for holding the suture with the applied tension. A delivery device that permits placement and tensioning of such a belt and activation of the suture lock in one procedure is also disclosed. Methods for making and using these features are also disclosed.

Abstract: A cardiac device comprises a first anchoring element configured to be attached to a first side of a tissue wall, a second anchoring element configured to be attached to a second side of the tissue wall, and a cinching device. The cinching device is configured to attach to the first anchoring element and the second anchoring element and apply force to the first anchoring element to move the first anchoring element towards the second anchoring element and at least partially compress the tissue wall.

Abstract: The present disclosure describes a surgical system for a heart valve. The surgical system is configured to serve as a temporary valve and/or filter to facilitate maintenance of proper blood flow while also capturing debris of an excised leaflet as needed.

Abstract: An additive-manufacturing system for printing spinal implants in-situ, within a patient, is disclosed. The system may include a robotic subsystem having scanning and imaging equipment and an armature including at least one dispensing nozzle and a controller apparatus having a processor and a non-transitory computer-readable medium. The controller may control the scanning and imaging equipment to determine a target alignment of a patients spine, develop an in-situ-printing plan including an in-situ material selection plan based on the target alignment of the patients spine, an interbody access space, and a disc space between adjacent vertebra of the patients spine, and execute the in-situ-printing plan. The controller may further control the armature to dispense at least one material chosen from a rigid material and a pliable material to form at least one motion-sparing implant.

Abstract: A hinge knee system includes a tibial assembly having a baseplate component and an axle component. The baseplate component has an opening that extends therein from a proximal end toward a distal end thereof. The axle component has a shaft portion receivable within the opening of the baseplate component and an axle connected to the shaft portion that extends in a direction transverse to a longitudinal axis of the shaft portion. The system also includes a femoral assembly that includes a distal femoral component. The distal femoral component includes condylar portions and an intercondylar portion disposed between the condylar portions. The intercondylar portion includes a bearing surface that defines a recess configured to rotatably receive the axle for articulation therewith.

Abstract: A modular implant system can include a first component and a second component. The first component can include a stem adapted to be anchored within a medullary canal of a bone and a mounting boss defining an outer coupling surface and an inner coupling surface. The second component can include a collar defining a first coupling surface adapted to engage the outer coupling surface of the mounting boss to secure the second component to the first component.

Abstract: Expandable intervertebral fusion implants, system, and methods. The expandable intervertebral implant is capable of being installed inside an intervertebral disc space to maintain disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. The implant may include a central drive assembly configured to control left and right side assemblies. The expandable intervertebral implant may be configured to transition from a collapsed configuration having a first width and a first height to an expanded configuration having a second width and a second height.

Abstract: Disclosed are devices, systems and method for inserts and/or other containment devices which can be incorporated into implants that facilitate, promote and/or accelerate the growth of bone in and/or through a region of interest, such as in a spinal segment of a patient undergoing spinal fusion surgery.

Abstract: Expandable intervertebral fusion implants, system, and methods. The expandable intervertebral implant is capable of being installed inside an intervertebral disc space to maintain disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. The implant may include a central drive assembly configured to control left and right side assemblies. The expandable intervertebral implant may be configured to transition from a collapsed configuration having a first width and a first height to an expanded configuration having a second width and a second height.

Abstract: An acetabular cup removal device and method. The removal device can include a mounting ring attachable to an acetabular cup, a rotor rotatably coupled to the mounting ring and rotatable about a first axis, an arm pivotably coupled to the rotor and pivotable about a second axis orthogonal to the first axis, an oscillator assembly slidably disposed in a first slit of the arm, and a blade slidably disposed in a second slit of the arm. A rotation of the oscillator assembly causes an oscillation of the blade within the second slit. The removal method includes coupling the device to an acetabular cup, positioning the arm and blade at an initial location, oscillating the blade so as to perform a cut, repositioning the arm at a subsequent adjacent location, repeating the repositioning and oscillating steps until a 360° circumference is cut around the acetabular cup, and removing the acetabular cup.