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70 results about "Opaque marker" patented technology
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Guidewire loaded stent for delivery through a catheter
A guidewire loaded stent for delivery through a catheter is described herein. The stent delivery assembly can deliver and place a stent within tortuous regions of the body which are accessible to guidewires but inaccessible to stenting catheters. The assembly comprises a guidewire covered in part by a retractable sheath and a radially expandable stent near or at the distal end of the guidewire. The whole assembly is advanced through conventional catheters or it may be used alone. In either case, when the stent is adjacent to a treatment site within the body, the sheath is retracted proximally to expose the stent for radial expansion into contact with the vessel wall. Radio-opaque marker bands are optionally located on either side or both sides of the stent on the guidewire body to aid in visual placement. The assembly can optionally include an expandable balloon on the guidewire for different treatment modalities.
Owner:BACK BAY MEDICAL
Dynamic radiation therapy simulation system
InactiveUS7349522B2Accurate treatment of tumorAccurate imagingMaterial analysis using wave/particle radiationRadiation/particle handlingFluoroscopic imageComputerized system
A system for dynamic treatment simulation for radiotherapy. Software is implemented on a computer system to perform dynamic simulation by displaying every segment of dynamic treatment beams on top of real-time fluoroscopic image sequences. Automated distortion correction of the fluoroscopic image due to the image intensifier is performed in real-time. A respiration phase indicator measures changes in circumference of the patient's chest through the movement of a radio-opaque marker that appears directly in the fluoroscopic images of the patient.
Owner:THE BOARD OF TRUSTEES OF THE UNIV OF ARKANSAS
Robotic guided endoscope
ActiveUS9125556B2Level accuracyReduce traumaEndoscopesComputerised tomographsSurgical robotEngineering
Owner:MAZOR ROBOTICS
X-Ray Identification for Active Implantable Medical Device
An active implantable medical device is disclosed herein having a radio-opaque marker. The radio-opaque marker can be formed within an exterior wall of the device or within recesses on the outside of the exterior wall. The implantable medical device can be a leadless pacemaker. The shape of the radio-opaque marker can be designed to facilitate visualization and identification of the location, orientation, and rotation of the implanted medical device by conventional fluoroscopy. Methods of use are also disclosed.
Owner:PACESETTER INC
Bio-absorbable tissue closure system
InactiveUS20080103510A1Easy to closeFacilitates rapid closureStaplesNailsRadioactive agentInternal wounds
A surgical fastening system, utilizing surgical clips made from bio-absorbable materials, for use in the rapid closing of deep internal wounds in humans or animals is disclosed. Elements of the system include surgical clips, applicators of surgical clips and dispensers of surgical clips. The surgical clips may contain small amounts of prophylactic antibiotic medication, long-acting time-release pain medication, radio-opaque markers, small amounts of radioactive material, colors, and / or patterns.
Owner:APOGEE SURGICAL INSTR
Process method for attaching radio opaque markers to shape memory stent
A process comprising the steps of providing a precursor for an implantable medical device, at least a portion of the precursor made of a shape memory material, the shape memory material having a receptacle for receiving a marker therein, the shape memory material having an austenitic and a martensitic phase; enlarging the receptacle while the shape memory material is in the martensitic phase; inserting a marker in the receptacle while the shape memory material is in the martensitic phase; and thereafter transforming the precursor to the austenitic phase.
Owner:BOSTON SCI SCIMED INC
Trim component with concealed indicium
ActiveUS20090257241A1High light transmittanceVehicle interior lightingProtective devices for lightingEngineeringOpaque marker
A component of an actuatable apparatus includes a substrate having an external surface defining a selected area, an illumination source actuatable between an illuminated state and a non-illuminated state, and an opaque indicia coating applied over the selected area. The illumination source is positioned behind the selected area. A portion of the opaque indicia coating defines a pattern having a greater light transmissivity than the portion of the opaque indicia coating not comprising the pattern. The pattern is invisible when the illumination source is in the non-illuminated state, and visible when the illumination source is in the illuminated state and transmits light through the pattern.
Owner:ADAC PLASTICS
Process method for attaching radio opaque markers to shape memory stent
Owner:BOSTON SCI SCIMED INC
Dynamic radiation therapy simulation system
InactiveUS20060291621A1Accurate treatment of tumorAccurate imagingMaterial analysis using wave/particle radiationRadiation/particle handlingFluoroscopic imageRadiology
A system for dynamic treatment simulation for radiotherapy. Software is implemented on a computer system to perform dynamic simulation by displaying every segment of dynamic treatment beams on top of real-time fluoroscopic image sequences. Automated distortion correction of the fluoroscopic image due to the image intensifier is performed in real-time. A respiration phase indicator measures changes in circumference of the patient's chest through the movement of a radio-opaque marker that appears directly in the fluoroscopic images of the patient.
Owner:THE BOARD OF TRUSTEES OF THE UNIV OF ARKANSAS
Dental cortical plate alignment platform
InactiveUS6592368B1Reduced risk of breakageReduce traumaImpression capsSurgical needlesOpaque markerCortical plate
This application relates to a dental apparatus for the initial and subsequent guidance of drills, hypodermic needles, or drug delivery devices into the cortical plate of human mandibular and maxillary bones. The invention comprises a thin platform with one or a plurality of angled or straight preformed perforations serving as entrance ports. Each port is optimally heralded by a radio-opaque marker to enable a view of the tooth root prior to drilling for a superior selection of a nerve deadening site and a whisker tubule visually displaying the drill's angle. The platform can be positioned on either the inner or outer side of the cortical plate, and is optimized for use with a dedicated indexing bite apparatus, a dedicated rubber dam style clamp, or by attachment to a RINN positioner or the like.
Owner:LVI GLOBAL
Methods and apparatus for treating spinal stenosis
ActiveUS8167915B2Prevents and minimizes riskOvercomes drawbackInternal osteosythesisJoint implantsSpinal stenosisRadiology
This invention relates generally to spine surgery and, in particular, to methods and apparatus for treating spinal stenosis. The methods comprising gaining access to an interspinous space, abrading a portion of the superior spinous process, inserting an implant into the interspinous process space, verifying the position of the implant by observing the position of three radio-opaque markers embedded in the implant, and coupling the implant to the superior spinous process.
Owner:NUVASIVE
X-ray identification for active implantable medical device
An active implantable medical device is disclosed herein having a radio-opaque marker. The radio-opaque marker can be formed within an exterior wall of the device or within recesses on the outside of the exterior wall. The implantable medical device can be a leadless pacemaker. The shape of the radio-opaque marker can be designed to facilitate visualization and identification of the location, orientation, and rotation of the implanted medical device by conventional fluoroscopy. Methods of use are also disclosed.
Owner:PACESETTER INC
Removable handle scan body for impression trays and radiographic templates for integrated optical and ct scanning
InactiveUS20120230567A1Simple methodAvoid dependenceAdditive manufacturing apparatusImpression capsComputed tomographyImpression trays
A device for use in optical scanning and CT scanning including a radiographic template and at least one shape of known dimension (SKD). The radiographic template includes a plurality of radio-opaque markers and is configured to take an impression of at least one surface of a patient. The SKD is removably attached to the radiographic template and serves as a basis for registration of data of a CT scan of the device with data of an optical scan of the device. The device may further comprise a mounting plate. The SKD is mounted on the mounting plate such that the at least one SKD is in an exact same position with respect to surfaces in a model formed from the impression as when the impression of the patient is formed in the radiographic template.
Owner:GREENBERG SURGICAL TECH
Suction clip
A suction clip and system and method therefor. The suction clip is configured for deployment from a catheter to provide for hemostasis of injured tissue. The suction clip preferably includes a flexible distal rim configured to form sealing contact with tissue to be treated and a proximal check valve to maintain a seal of the clip to the tissue when a vacuum has been provided therebetween. The suction clip may include a visual or radio-opaque marker to aid in later location of same.
Owner:WILSONCOOK MEDICAL
Composite material bone implant
ActiveUS20130079829A1Reduce frictionHigh hardnessInternal osteosythesisBone implantBone implantOpaque marker
Radiolucent composite implants. Some embodiments include reconfiguration indicators. Some embodiments include radio-opaque markers, especially along contours. Some embodiments are provided in kit form with accessories such as radiolucent drill guides and / or drives. Some embodiments have fiber reinforcement adapted for various usage scenarios. Some embodiments include metal components, for example, to increase strength. Also described are manufacturing methods.
Owner:CARBOFIX ORTHOPEDICS
Long nose manipulatable catheter
InactiveUS20050075661A1Reduced degree of flexureLarge curvatureBalloon catheterDilatorsNoseOpaque marker
A long nose manipulatable catheter is described herein. The catheter generally comprises a flexible joint region defining a main lumen and an adjacent wire lumen. The wire lumen has an opening near or at a distal end of the flexible joint region and a push / pull wire can be pushed or pulled through the wire lumen. The catheter assembly may also comprise at least one radio-opaque marker band for securing the push / pull wire. The joint region has a predetermined length sized to affect a flexure of the joint and is generally located at the distal end of the catheter. The joint region itself may be varied to extend distally from where the braid terminates, or it may extend to encompass a portion of the braid. By varying a length of the joint region, the amount of curvature and flexure of the joint region can be controlled.
Owner:VASCULAR FX
Long nose manipulatable catheter
InactiveUS7591813B2Amount can be controlledRegion be controlledBalloon catheterDilatorsNoseOpaque marker
A long nose manipulatable catheter is described herein. The catheter generally comprises a flexible joint region defining a main lumen and an adjacent wire lumen. The wire lumen has an opening near or at a distal end of the flexible joint region and a push / pull wire can be pushed or pulled through the wire lumen. The catheter assembly may also comprise at least one radio-opaque marker band for securing the push / pull wire. The joint region has a predetermined length sized to affect a flexure of the joint and is generally located at the distal end of the catheter. The joint region itself may be varied to extend distally from where the braid terminates, or it may extend to encompass a portion of the braid. By varying a length of the joint region, the amount of curvature and flexure of the joint region can be controlled.
Owner:VASCULAR FX
Apparatus and methods for renal stenting
The present invention provides and apparatus and methods for emboli removal and stenting within the renal arteries having a catheter system having a distal occlusion element, a stent deployment section, and an emboli removal lumen. The occlusion element is disposed at a predetermined distance from the stent deployment section specific for use in the renal artery, and is constructed to reduce the potential for perforation or jailing during stent deployment. The apparatus further includes an array of radio-opaque markers disposed on the stent delivery catheter to facilitate accurate stent deployment within a renal artery.
Owner:NEXEON MEDSYST
Bifurcation stent and delivery system
The present invention is directed to a device comprising a catheter tube, which includes a round opening and two platinum radio-opaque markers on its distal end; a guide-wire; a balloon, which includes a wedge-shaped opening; and a stent, which includes an elliptical-shaped opening and three platinum radio-opaque markers. The invention is also directed to methods for using the device for deploying stents to treat bifurcation lesions.
Owner:NANAVATI VIMAL I
System for positioning of surgical inserts and tools
ActiveUS20100030232A1Improve accuracyPrecise positioningComputer-aided planning/modellingSpinal implantsSurgical operationSurgical site
A tracking and positioning system and method to enable the precise positioning of an object or tool relative to its surgical surroundings, and in accordance with preoperative CT images of the operating site. When used for artificial spinal disc positioning, the system comprises a computing system incorporating in memory the preoperative CT data showing the two vertebrae and the predetermined disc position between them; a 3-D target having radio-opaque markers for attaching to one of the vertebrae to define the position of the vertebra in an intra-operative fluoroscope image of the spine; a tool for intra-operative insertion of the artificial disc, and a registration system for relating the intra-operative fluoroscope image to the preoperative CT data, such that the predetermined disc position is displayed in the fluoroscope image of the subject, thereby enabling the surgeon to place the artificial disc accurately in its intended position.
Owner:MAZOR ROBOTICS
System for positioning of surgical inserts and tools
ActiveUS8394144B2Improve accuracyPrecise positioningComputer-aided planning/modellingSpinal implantsSurgical operationSurgical site
A tracking and positioning system and method to enable the precise positioning of an object or tool relative to its surgical surroundings, and in accordance with preoperative CT images of the operating site. When used for artificial spinal disc positioning, the system comprises a computing system incorporating in memory the preoperative CT data showing the two vertebrae and the predetermined disc position between them; a 3-D target having radio-opaque markers for attaching to one of the vertebrae to define the position of the vertebra in an intra-operative fluoroscope image of the spine; a tool for intra-operative insertion of the artificial disc, and a registration system for relating the intra-operative fluoroscope image to the preoperative CT data, such that the predetermined disc position is displayed in the fluoroscope image of the subject, thereby enabling the surgeon to place the artificial disc accurately in its intended position.
Owner:MAZOR ROBOTICS
Robotic guided endoscope
ActiveUS20130303883A1Reduce traumaLevel accuracyEndoscopesComputerised tomographsSurgical robotSurgery scheduling
Systems and methods for performing robotic endoscopic surgical procedures, according to a surgical plan prepared on a preoperative set of three dimensional images. The system comprises a surgical robot whose coordinate system is related to that of fluoroscope images generated intraoperatively, by using a three dimensional target having radio-opaque markers, attached in a predetermined manner to the robot or to another element to which the robot is attached, such as the spinal bridge or an attachment clamp. The robot is mounted directly or indirectly on a bone of the patient, thereby nullifying movement of the bone, or a bone tracking system may be utilized. The coordinate system of the intraoperative fluoroscope images may be related to the preoperative images, by comparing anatomical features between both image sets. This system and method enables the endoscope to be directed by the robot along the exact planned path, as determined by the surgeon.
Owner:MAZOR ROBOTICS
Determination Of A Three Dimensional Relation Between Upper and Lower Jaws With Reference To A Temporomandibular Joint
An apparatus including a bite frame and a bite shaped member is provided. The bite frame includes one or more arcuate frame elements defining an opening for accommodating a mesh element or the bite shaped member that receives a bite registration material for registering a bite impression. The bite shaped member has a geometrical body structure, upper and lower channels of configurable shapes, and upper and lower windows. The upper and lower windows are separated by a space for receiving and allowing flow of the bite registration material to register a vertical distance between the upper and lower jaws. An image processing system operably connected to the apparatus determines the three-dimensional relation between the upper and lower jaws with reference to temporomandibular joints using panoramic images of the upper and lower jaws, reference points provided by radio-opaque markers, three-dimensional scanned images of the bite impression, and three-dimensional head surface images.
Owner:HANKOOKIN
Stable dental analog systems
A stable dental prosthesis system includes transparent guides with radio opaque markers therein to accurately position an implant in a jaw. To make the prosthesis for the implant, an implant analog is used with an abutment that can be mounted in the dental lab replica of the relevant section of a patient's mouth securely. The analogs have a pin or other protrusion that projects from the base of the analog. The system also includes a perforated tray for accommodating protruding implant impression copings therethrough when the impression mold is made of the dental patient's mouth. A generally flat articulation wafer connects one impression of one jaw to an opposing wax impression of an opposite jaw, so that upper and lower prosthesis are in positional register. A flexible frame may also be provided for temporary teeth before osseointegration of the implant with the jaw bone.
Owner:MAROTTA LEONARD
Method for removing surgically implanted devices
A method of removing an implantable electronic microdevice by an integral removal loop or circumferential ring to facilitate removal of the implanted microdevice without additional surgery. The device is removed by pulling it along the surgically created implantation path. Optionally a radio-opaque tether provides a method of locating the implantable microdevice without additional surgery and attachment of one end of the tether to a radio-opaque marker provides a method of locating the end of the tether to facilitate removal of the implantable microdevice from living tissue.
Owner:ALFRED E MANN FOUND FOR SCI RES
Method and apparatus for determining movement of an object in an imager
A method and apparatus for determining the three-dimensional movement of a patient positioned on a table between an X-ray source and an image receiver of an X-ray imaging apparatus is presented. The apparatus has an X-ray source positioned opposite an image receiver, the X-ray source and the image receiver being driven in rotation about an axis. The method and apparatus has the following operation: radio-opaque markers are placed on the patient's body; at least one first radiographic image of the patient is taken for a first determined fixed position of the imaging apparatus; at least one second radiographic image of the patient is taken for a second determined fixed position; and a matrix of the three-dimensional movement of the patient is determined on the basis of the two-dimensional movements of the markers in the radiographic images, the X-ray source constituting a fixed reference frame.
Owner:GENERAL ELECTRIC CO
Useful specimen transport apparatus with integral capability to allow three dimensional x-ray images
InactiveUS20080299605A1Accurate measurementAccurately repositioningBioreactor/fermenter combinationsBiological substance pretreatmentsOpaque markerX ray image
The present invention provides new and useful features and mechanisms for the localization and transport of biopsy specimens. The invention having a specimen board, an absorbent material in operative engagement and in coplanar alignment with the specimen board, a compression sheet, radio opaque indicia located within the specimen board, and a flexible connection between the compression sheet and the specimen board, and an attachment device which provides for removable engagement of the specimen board and compression sheet. The apparatus further provides for a clear visualization window and operating instructions. The absorbent material is capable of adjustable movement between a first and second position, providing orthogonal positioning relative to the specimen board. As a result, the apparatus may be used to create three dimensional radiographic images allowing tissue analysis resulting in orthogonal views while maintaining original positional reference points.
Owner:LARY RES & DEV
Suction cup
A suction clip and system and method therefor. The suction clip is configured for deployment from a catheter to provide for hemostasis of injured tissue. The suction clip preferably includes a flexible distal rim configured to form sealing contact with tissue to be treated and a proximal check valve to maintain a seal of the clip to the tissue when a vacuum has been provided therebetween. The suction clip may include a visual or radio-opaque marker to aid in later location of same.
Owner:WILSONCOOK MEDICAL
Sheath With Radio-Opaque Markers For Identifying Split Propagation
A medical device delivery system includes a self-expanding medical device mounted on a balloon portion of a catheter. A sheath is provided around the medical device to hold the device in place with the device staying in a compressed state. The balloon portion is inflated to cause the sheath to rupture and release the self-expanding medical device. A number of radio-opaque markers in a pattern that will aid in determining whether or not the sheath has properly ruptured upon inflation of the balloon portion are provided on the sheath. The radio-opaque markers are positioned with respect to an expected sheath rupture propagation path along which the sheath is expected to rupture. The pattern of the markers changes as the sheath ruptures and this change is detected by an operator of the system.
Owner:CAPPELLA INC
Method for delivering therapeutic or diagnostic agents
An agent delivery device includes an inner tubular body having a proximal end, a sharpened distal end, a delivery lumen extending therebetween, and one or more outlet ports on the distal end communicating with the delivery lumen. The device also includes one or more seals sealing the one or more outlet ports, the one or more seals capable of being melted to allow a fluid to be delivered from the delivery lumen through the one or more outlet ports. The agent delivery device may further include a monopolar or bipolar electrode and / or a radio-opaque marker carried at the distal end of the device. The inner tubular body can be made from a conductive material to thereby allow the inner tubular body to function as an electrode.
Owner:BOSTON SCI SCIMED INC
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