Entries |
Document | Title | Date |
20080207982 | SELECTIVELY LOADABLE/SEALABLE BIORESORBABLE CARRIER ASSEMBLY FOR RADIOISOTOPE SEEDS - A selectively loadable/sealable bioresorbable carrier assembly for retaining and positioning elements used in brachytherapy procedures comprises a bioresorbable tube having a closed distal end and a proximal open end. The bioresorbable tube is loaded with a selectable arrangement of elements, including at least one radioactive seed, through the proximal open end. After the bioresorbable tube is selectably loaded, the bioresorbable tube is heat sealed at a sealing position adjacent a proximalmost element. Once sealed, the bioresorbable tube maintains the arrangement of elements throughout the treatment duration. | 08-28-2008 |
20080221384 | EXPANDABLE BRACHYTHERAPY APPARATUS AND METHODS FOR USING THEM - Apparatus for delivering brachytherapy to a target tissue region includes an elongate body including a proximal end, a distal end sized for introduction into a tissue tract and carrying a plurality of elongate members including pathways for receiving a source of radiation. The elongate members are movable between collapsed and expanded configurations. During use, a tract is created through tissue, and the elongate body carrying the elongate members is advanced through the tract into a target location with the elongate members in the collapsed configuration. The elongate members are directed to the expanded configuration at the target location, and radiation is delivered to treat tissue at the target location, e.g., by introducing one or more radiation sources along the pathways. | 09-11-2008 |
20080269539 | Brachytherapy Device Having an Alignment and Seal Adaptor - A brachytherapy device for treating tissue within a cavity of a body. The device may include a first set of tubes configured to be inserted into the cavity through an opening at the surface of the body. Each of the tubes may have an external end and an interior channel beginning at the external end that is configured to receive radioactive material. The external ends of the tubes may be bundled together. The tubes may be of a length that causes the external ends to be near the opening in the surface of the body while the tubes are in the cavity. A seal may be configured to prevent fluid that originates from the cavity from entering into the external ends of the tubes while they are near the opening in the surface of the body. The seal may include a gasket that is pressed against the external ends of the tubes. The gasket may have openings that align with channels within the external ends of the tubes. | 10-30-2008 |
20080269540 | SEED CARTRIDGE ADAPTOR AND METHODS FOR USE THEREWITH - Provided herein are adaptors that enable a seed cartridge that is configured to be used with a first type of needle having a locking hub to instead be used with a second type of needle having a cylindrical hub. Such a seed cartridge has a hub at its distal end that is configured to attach to the locking hub of the first type of needle. The adaptor includes a proximal portion configured to removably attach (and in specific embodiments lock) to the hub at the distal end of the seed cartridge. The adaptor also includes a distal portion configured to removably attach to the cylindrical hub of the second type of needle. A central portion of the adaptor connects the proximal and distal portions of the adaptor. A bore extends through the adaptor and allows seeds and optional spacers to be transferred from the seed cartridge into a hollow cannula of the second type of needle. Also provided herein are methods for using such adaptors. | 10-30-2008 |
20080300446 | Seed-Cartridge Barrel Assembler - An assembler which limits the amount of torque that may be applied to a brachytherapy cartridge magazine when its cap is threaded onto same. The assembler is constructed so that the brachytherapy cartridge will rotate within the assembler before a destructive torque is applied while the cap and cartridge magazine are screwed together. | 12-04-2008 |
20090012347 | BRACHYTHERAPY ARRAY PREPARATION DEVICE - A device for manufacturing a brachytherapy array having a planar base which includes a working area comprising at least one planar major surface defining a first array of apertures, and a holding mechanism for holding a planar surgical mesh over the working area of said planar base. Also, a method for forming a brachytherapy array using this device. | 01-08-2009 |
20090018383 | EXPANDABLE BRACHYTHERAPY DEVICE WITH EXPANDABLE CAGE HAVING A CONTROLLED DIAMETER - A brachytherapy device may include an expandable outer cage an expandable inner cage positioned within the outer cage and configured to receive radioactive material at its perimeter. The expandable inner cage may be configured to expand, and the outer cage may be configured to expand to a variable diameter greater than the inner cage diameter so as to fill resected cavities of various diameters. | 01-15-2009 |
20090030260 | SEED ANCHOR - A seed anchor includes a tubular anchor body having a plurality of partial cylindrical walls splayed outwardly at an axial end of the anchor body to form an anchoring structure configured to resist axial movement of the seed anchor in a direction opposite an insertion direction when the seed anchor is implanted into tissue. | 01-29-2009 |
20090069625 | SHIELDED CARTRIDGE ASSEMBLY FOR BRACHYTHERAPY SEEDS - A brachytherapy seed cartridge assembly includes an elongate movable shield, formed from a radiation-shielding material, that is slideably supported so as to movable between an extended position and a retracted position. The cartridge assembly also provides a quick-connect feature for a more efficient assembly and disassembly. | 03-12-2009 |
20090093668 | Device to stent an airway during brachytherapy treatment and to provide a secure and precise positioning of a treatment radiotherapy capsule within airway - This invention relates to a device for brachytherapy treatment of a tissue growth on the inner surface of an airway lumen. The invention also relates to a device for treatment of an obstructing tissue growth on the inner surface of an airway lumen. The device is comprised of a cylindrical tube having a proximal end, a distal end, and a continuous open cavity therebetween, wherein the device is deployed against the inner surface of the lumen. There is at least one longitudinal channel contained within the wall of the tube for positioning a treatment radiotherapy source in close proximity to said tissue growth. The present invention also discloses a method for treating a tissue growth on the inner surface of an airway lumen, and method for treating an obstructing tissue growth on the inner surface of an airway lumen | 04-09-2009 |
20090105518 | POINT OF CARE RADIOACTIVE MATERIAL STRANDING SYSTEM - A point-of-care seed stranding device for automating assembly of brachytherapy seed strands for implantation in patients. The device includes a number of features to reduce the potential for mistakes by the user, as well as to reduce the potential for damaging the radioactive seeds during the stranding process. Tactile feedback may be provided to prevent exertion of too much force in the packing step of the stranding process, as well as to indicate that the seed and/or strand cartridges are empty and need to be replaced. The device may also include a mechanism for holding seeds or spacers in place to allow automated packing of seeds or spacers having corresponding geometries. The device may also be provided with a seed counter which can be employed to preset the number of seeds in a strand and which disables the device from dispensing or packing additional seeds once the preset number of seeds has been packed into the strand. Also, methods for automated assembly of seed strands including the steps of setting the number of seeds, dispensing seeds and spacers, packing seeds and spacers and transferring assembled strands to another device. | 04-23-2009 |
20090124845 | Methods for asymmetrical irradiation of a body cavity - The disclosure describes devices and methods for asymmetrical irradiation at a body cavity or site, such as after removal of tissue, e.g. biopsy or cancer. One device includes a lumen which is off-set or off-settable from a longitudinal axis to increase the intensity of radiation received from a radiation source by a first tissue portion surrounding the body cavity and to reduce or minimize radiation received by a second tissue portion (e.g. healthy tissue) surrounding the body cavity. | 05-14-2009 |
20090124846 | ANCHOR SEED CARTRIDGE FOR USE WITH BRACHYTHERAPY APPLICATOR - In an embodiment, a brachytherapy device includes a cartridge adapted for use with a brachytherapy applicator. A plurality of anchor seeds are stacked parallel to one another within the cartridge. Each anchor seed includes a radioactive seed that is at least partially encapsulated by a polymeric material. Additionally, each anchor seed can include at least one protrusion on an outer surface of the encapsulating polymeric material to a reduce a tendency for the anchor seed to migrate and rotate within a patient's body after the anchor seed is implanted. | 05-14-2009 |
20090156881 | CONVERGENT WELL IRRADIATING PLAQUE FOR CHOROIDAL MELANOMA - Provided in some embodiments is a device suitable for treating an eye that includes a housing and a plurality of fins. The housing includes a base and a rim coupled to the perimeter of the base. The base and the rim at least partially define a cavity in the housing, and the cavity is configured to accept one or more radiation seeds. The plurality of fins at least partially reside within or proximate the cavity of the housing. At least a portion of the fins are configured such that radiation emitted from one or more radiation seeds positioned in the cavity is substantially directed toward a center portion of the eye during use. | 06-18-2009 |
20090156882 | EXPANDABLE BRACHYTHERAPY APPARATUS AND METHODS FOR USING THEM - Apparatus for delivering brachytherapy to a target tissue region includes an elongate body including a proximal end, a distal end sized for introduction into a tissue tract and carrying a plurality of elongate members including pathways for receiving a source of radiation. The elongate members are movable between collapsed and expanded configurations. During use, a tract is created through tissue, and the elongate body carrying the elongate members is advanced through the tract into a target location with the elongate members in the collapsed configuration. The elongate members are directed to the expanded configuration at the target location, and radiation is delivered to treat tissue at the target location, e.g., by introducing one or more radiation sources along the pathways. | 06-18-2009 |
20090187061 | SEED MAGAZINE - The invention provides magazines for radioactive brachytherapy seeds. The seed magazines provided herein include housing, seed holder, and pusher components, and optionally have a slidable shield to protect a user from radiation. | 07-23-2009 |
20090209804 | Apparatuses and methods for percutaneously implanting objects in patients - Apparatuses and methods for percutaneously implanting objects, such as radioactive seeds or markers, in patients. In one embodiment, a device for percutaneously implanting an object in a patient includes a handle, a cannula projecting outwardly from the handle, and an actuator movably disposed relative to the handle. In one aspect of this embodiment, the cannula can be configured to releasably hold the object and percutaneously penetrate the patient. In another aspect of this embodiment, the actuator can be operably connected to the cannula and operable to move the cannula relative to the handle and release the object within the patient. In a further aspect of this embodiment, the cannula can include a tip portion having a restriction configured to releasably hold the object for implantation in the patient. | 08-20-2009 |
20090209805 | Tissue irradiation - Devices and methods are disclosed for treatment to tissue surrounding a body cavity or other intracorporeal site, such as after removal of tissue, e.g. cancer. Such a device includes a treatment location on a distal portion of the device with one or more radiation shielding components that partially encircle a radiation source at the treatment location to control emitted radiation from the radiation source. The device minimizes radiation damage to healthy tissue surrounding the body cavity or other site while irradiating tissue not shielded by the radiation shielding components. A device embodying features of the invention can include a sealing member at a location on a shaft of the device proximal to a treatment location to seal the passageway leading to the body cavity. | 08-20-2009 |
20090216063 | BIO-ABSORBABLE BRACHYTHERAPY STRANDS - Provided herein are bio-absorbable strands for use in brachytherapy. In an embodiment, a plurality of discrete hollow bio-absorbable segments spaced apart from one another and encapsulated using a bio-absorbable material to form an elongated member configured to be implantable in patient tissue using a hollow needle. Each hollow bio-absorbable segment has a length, an outer periphery and an inner channel. Radioactive material is within at least a portion of the inner channel or coating at least a portion of the outer periphery of each hollow bio-absorbable segment. Contrast material is within at least a portion of the inner channel or coating at least a portion of the outer periphery of each hollow bio-absorbable segment. | 08-27-2009 |
20090216064 | BRACHYTHERAPY APPARATUS AND METHODS FOR USING SAME - Apparatus, systems and methods are provided for delivering brachytherapy to a target tissue region of a human or other mammalian body. In some embodiments, a flexible brachytherapy device is implanted that includes a therapy delivery portion having one or more radioactive sources securely retained thereto, and a tail portion extending from the therapy delivery portion. Once implanted, the tail portion may extend outside the body, where it may be folded and secured flat against the skin. The device may be removed at therapy completion. Other embodiments of the invention are directed to systems and methods for delivering brachytherapy devices to the body. | 08-27-2009 |
20090253950 | RADIOACTIVE MEMBER AND METHOD OF MAKING - A radioactive member for use in brachytherapy comprising a molded elongate, bioabsorbable carrier material with spaced radioactive sources disposed therein, and methods for the manufacture thereof. The radioactive members may be used in the treatment of, for example, prostate cancer. | 10-08-2009 |
20090299125 | Radioactive therapeutic apparatus - A method and device for applying a radioactive source to a tissue site is disclosed. The device facilitates the precise placement of, for example, | 12-03-2009 |
20090306453 | Implant for Treating the Internal Walls of a Resection Cavity - The invention relates to an implant for treating a cavity that is created as a result of a resection, the implant being modular and the modules being interconnectable. | 12-10-2009 |
20090312594 | DEVICES TO RESIST MIGRATION AND ROTATION OF IMPLANTS USED IN BRACHYTHERAPY AND OTHER RADIATION THERAPY - A therapeutic member for use in brachytherapy deliverable to an implant site by way of a needle comprises a single radioactive source encapsulated by a bio-absorbable material having an outer surface including one or more ribs encircling the single radioactive source, a leading edge endcap rib and a trailing edge endcap rib. The one or more ribs reduces a tendency of the member to migrate and rotate within a patient's body after implantation. The encapsulating material further includes a first rail formed from the bio-absorbable material extending at least from opposite sides of the outer surface of the encapsulating material along the longitudinal axis of the therapeutic member, and a second rail formed from the bio-absorbable material extending at least from opposite sides of the outer surface of the encapsulating material along the longitudinal axis of the therapeutic member, the second rail arranged in a plane substantially perpendicular to a plane in which the first rail is arranged. Another embodiment includes wings that selectively extend from an implant preventing movement of the implant. | 12-17-2009 |
20090326314 | BRACHYTHERAPY APPARATUS FOR ASYMMETRICAL BODY CAVITIES - The present disclosure provides a brachytherapy apparatus, system and method that delivers partial breast irradiation treatment for post-lumpectomy patients via introduction of a catheter-like device through a trocar. The apparatus may be introduced post-surgically with local anesthesia under image guidance into the previous excision site and into a cavity by a surgeon. The brachytherapy apparatus includes one or more thin-walled tubes, each of said thin-walled tubes being configured to contain one or more radioactive sources, at least one radiation source configured to deliver a prescribed dose of radiation, a whisk adjuster configured to permit adjustment of each of the one or more thin-walled tubes so that the tubes substantially conform to a size of the body cavity; and an expansion element configured to expand outwardly said one or more thin-walled tubes within the cavity so that the thin-walled tubes substantially conform to a shape and/or size of the body cavity. | 12-31-2009 |
20100004499 | Methods And Devices For Minimally-Invasive Extraocular Delivery of Radiation To The Posterior Portion Of The Eye - Methods and devices for minimally-invasive delivery of radiation to the posterior portion of the eye including a cannula comprising a distal portion connected to a proximal portion and a means for advancing a radionuclide brachytherapy source (RBS) toward the tip of the distal portion; a method of introducing radiation to the human eye comprising inserting a cannula between the Tenon's capsule and the sclera of the human eye and emitting the radiation from the cannula on an outer surface of said sclera. | 01-07-2010 |
20100010287 | Brachytherapy device with one or more toroidal balloons - The disclosure is directed to catheter devices and methods for controlled application of irradiation to tissue adjacent a body site, such as cavity after removal of tissue, e.g. cancer. The catheter device includes one or more inflatable, toroidal balloons on the distal shaft section of the device which surrounds and is spaced from one or more radiation guide members. Preferably at least one radiation guide members extend away from a central longitudinal axis to provide asymmetrical irradiation. Connecting members may extend between the radiation guide members and the toroidal balloon. | 01-14-2010 |
20100030010 | HANDHELD RADIATION DELIVERY SYSTEM - A handheld radiation delivery system is disclosed that includes a two-part delivery module comprising a reusable portion that contains a radioactive source wire and a disposable portion that includes a drive assembly for moving the radioactive source wire between storage and treatment positions. A disposable applicator tip is provided that includes a cannula for receiving the radioactive source wire when in the treatment position and a mechanism for limiting the number of uses of the device. A handheld cable actuator is operatively connected to the disposable portion of the handpiece to impart motion to the source wire. | 02-04-2010 |
20100036190 | INTERNAL RADIATION SHIELD FOR BRACHYTHERAPY TREATMENT - A brachytherapy shielding system configured to be used with a brachytherapy application includes a balloon catheter and a body made from a magnetic material positioned within an inflatable portion, such as a balloon portion, of the balloon catheter. The brachytherapy shielding system is arranged to shield skin tissue exposed to a radiation source during intracavitary radiation therapy. | 02-11-2010 |
20100041938 | MULTI-IMAGER COMPATIBLE ROBOT FOR IMAGE-GUIDED INTERVENTIONS AND FULLY AUTOMATED BRACHYTHERAPY SEED - Featured is a robot and a needle delivery apparatus. Such a robot comprises a plurality of actuators coupled to control locating any of number of intervention specific medical devices such as intervention specific needle injectors. Such a robot is usable with image guided interventions using any of a number of types of medical imaging devices or apparatuses including MRI. The end-effector can include an automated low needle delivery apparatus that is configured for dose radiation seed brachytherapy injection. Also featured is an automated seed magazine for delivering seeds to such an needle delivery apparatus adapted for brachytherapy seed injection. | 02-18-2010 |
20100048979 | Soft body catheter with low friction lumen - The disclosure is directed to radiation catheter devices, methods for controlled application of irradiation to tissue at a body site, such as a cavity formed after removal of tissue, e.g. cancer, using such radiation catheter devices, solutions for forming a more lubricious luminal surface and method for lining lumens of such devices to improve the frictional characteristics thereof. The catheter device includes a flexible elongated shaft which is formed of low durometer polymeric material, which can be readily folded or coiled for securing the shaft to or under the skin of the patient and a radiation lumen lined with high durometer polymeric material to improve the frictional characteristics. The elongated shaft has at least one inner lumen for receiving a radiation source which has a layer of high durometer polymeric material that provides lower surface friction to facilitate advancement of a radiation source therein. | 02-25-2010 |
20100056842 | BRACHYTHERAPY MULTIPLE IMPLANTATION DEVICE LOADING TRAY AND METHOD - A brachytherapy multiple needle loading device and method are provided. The device allows multiple implantation devices to be loaded at the same time and has a gating retention mechanism that allows the user to load sources into implantation devices at a desired rate. A packaging unit of the device has a two part configuration that allows removal of implantation devices that have been loaded with sources. The packaging unit may be opaque or translucent to allow visual inspection of the sources. | 03-04-2010 |
20100063345 | ENDOSCOPIC MEDICAL TOOL AND MEDICAL SYSTEM - An endoscopic medical tool is endoscopically inserted into a body cavity in order to eject a member into the body cavity, and includes: a flexible sheath having an inner cavity; an elastically deformable stopper which is provided projecting out toward the inner cavity in a distal end portion of the sheath, and prevents the member which has been loaded inside the sheath from falling out of the sheath; and a pusher which is inserted into the sheath in a freely advancing and retracting manner, and which pushes out and ejects the member from the sheath. In the endoscopic medical tool, the stopper is formed in only a partial region of the inner cavity so that the stopper does not continuously formed over the entire circumference of the inner cavity. | 03-11-2010 |
20100099939 | EXPANDABLE BRACHYTHERAPY APPARATUS AND METHODS FOR USING THEM - Apparatus for delivering brachytherapy to a target tissue region includes an elongate body including a proximal end, a distal end sized for introduction into a tissue tract and carrying a plurality of elongate members including pathways for receiving a source of radiation. The elongate members are movable between collapsed and expanded configurations. During use, a tract is created through tissue, and the elongate body carrying the elongate members is advanced through the tract into a target location with the elongate members in the collapsed configuration. The elongate members are directed to the expanded configuration at the target location, and radiation is delivered to treat tissue at the target location, e.g., by introducing one or more radiation sources along the pathways. The apparatus may include features to prevent overexpansion of the elongate members and/or to facilitate rapid collapse of the elongate members. | 04-22-2010 |
20100121129 | EXPANDABLE BRACHYTHERAPY DEVICE - A brachytherapy device including an elongate member comprising a proximal portion and a distal portion. The device also includes a movable surface portion surrounding at least the distal portion of the elongate member and a plurality of source lumen tubes defining respective source lumens, the source lumen tubes being located around the elongate member, distal ends of the source lumen tubes coupled to the distal portion of the elongate member, the source lumen tubes extending a sufficient distance in a proximal direction such that the source lumen tubes extend outside a body when distal portions of the source lumen tubes are positioned in a body cavity for brachytherapy. The device also has structure coupled to the distal ends of the source lumen tubes for positioning the distal portions of the source lumen tubes at different distances from the elongate member for brachytherapy by exerting a force in a proximal direction on the distal ends of the source lumen tubes, the structure including an actuator for actuating the structure, at least a portion of the actuator being located outside the body when the distal portions of the source lumen tubes are positioned in a body cavity for brachytherapy. The device also includes a ring, tube or manifold securing a portion of the source lumen tubes proximal to the distal portion around the elongate member and a source of radiation suitable for insertion into the source lumens. | 05-13-2010 |
20100137674 | BRACHYTHERAPY TREATMENT OF THE SPINE WITH IRRADIATED IMPLANTS - A spinal implant configured to facilitate focused treatment of spinal tumors includes a plurality of irradiated implant seeds configured to concentrate the dosage and duration of radiation treatment of tumors. | 06-03-2010 |
20100145132 | Dual Gynecological Balloon Packing System - A gynecological balloon apparatus has a first balloon and a second balloon disposed with a gynecological brachytherapy applicator. The first and second balloons are each movable between an inflated condition and a deflated condition. The first and second balloons may conform to a shape of a vaginal cavity when in their inflated conditions. A radiation detecting sensor and a motion detecting sensor may be positioned with the apparatus. | 06-10-2010 |
20100152521 | Brachytherapy System and in Vivo Dose Detector Therefor - An in-vivo dose detector ( | 06-17-2010 |
20100168500 | PERCUTANEOUS ARRAY DELIVERY SYSTEM - A system for treating tissue includes a cannula having a proximal end, a distal end, and a lumen extending between the proximal and the distal ends, and an array of delivery tubes at least partially disposed within the lumen, each of the delivery tube having a lumen, wherein each of the delivery tubes is slidable relative to the cannula, and has a first configuration when inside the lumen, and a second configuration when outside the lumen. A system for treating tissue includes a treatment device having a distal end, and an indexing device for controlling a longitudinal position of the distal end of the treatment device relative to a target tissue region, the indexing device having a tubular portion for receiving the treatment device. | 07-01-2010 |
20100197991 | Apparatus for Automatic Tracking and Identification of Device Components - Embodiments of an apparatus and method to track and identify radioactive sources are described. In one embodiment, a device includes first housing for a radioactive source having a first electronic tag, a second housing for the radioactive source having a second electronic tag, and a guide tube that couples the first housing with the second housing. The guide tube includes a third electronic tag. The first, second, and third electronic tags communicate with each other to confirm automatically a delivery path for the radioactive source. In one embodiment, the electronic tags may be a radio frequency identification device (RFID). | 08-05-2010 |
20100204536 | BRACHYTHERAPY DEVICE HAVING AN ALIGNMENT AND SEAL ADAPTOR - A brachytherapy device for treating tissue within a cavity of a body. The device may include a first set of tubes configured to be inserted into the cavity through an opening at the surface of the body. Each of the tubes may have an external end and an interior channel beginning at the external end that is configured to receive radioactive material. The external ends of the tubes may be bundled together. The tubes may be of a length that causes the external ends to be near the opening in the surface of the body while the tubes are in the cavity. A seal may be configured to prevent fluid that originates from the cavity from entering into the external ends of the tubes while they are near the opening in the surface of the body. The seal may include a gasket that is pressed against the external ends of the tubes. The gasket may have openings that align with channels within the external ends of the tubes. | 08-12-2010 |
20100204537 | BRACHYTHERAPY APPARATUS AND METHODS FOR USING THEM - Apparatus for delivering brachytherapy to a target tissue region includes an elongate body including a proximal end, a distal end sized for introduction into a tissue tract and carrying a plurality of elongate members including pathways for receiving a source of radiation. The elongate members are movable between collapsed and expanded configurations. During use, a tract is created through tissue, and the elongate body carrying the elongate members is advanced through the tract into a target location with the elongate members in the collapsed configuration. The elongate members are directed to the expanded configuration at the target location, and radiation is delivered to treat tissue at the target location, e.g., by introducing one or more radiation sources along the pathways. | 08-12-2010 |
20100210891 | BRACHYTHERAPY TREATMENT DEVICE - Brachytherapy devices and methods that may allow high doses of radiation to be applied to areas in need of treatment, while reducing damage to healthy tissue that may be in the vicinity. The devices and methods may utilize an expansion device and a treatment device. The expansion device may include an outer expandable assembly that is implanted into a post-surgical cavity. The treatment device may include an inner expandable assembly that is mated to the expansion device during treatment fractions, and provides a pathway for the radiation source, for example an HDR (high dose rate) afterloader source. | 08-19-2010 |
20100210892 | IMPLANTS INCLUDING SPACERS FOR USE IN BRACHYTHERAPY AND OTHER RADIATION THERAPY THAT RESIST MIGRATION AND ROTATION - A brachytherapy implant includes a plurality of protrusions to reduce a tendency of the implant to migrate and rotate within a patient's body after implantation. Embodiments of the present invention are directed to spacers that resist migration and rotation. This abstract is not intended to be a complete description of the invention. | 08-19-2010 |
20100217064 | PASSIVE VENT FOR BRACHYTHERAPY BALLOON CATHETERS - Embodiments of passive vent valve devices are disclosed. One of the novel aspects of the invention is its ability to transform from a packaging configuration to a use configuration. The packaging configuration allows sterilization gases to penetrate into the device through standard valve openings as well as through vented mesh openings. Passage of gas into the device, in turn, provides a means of sterilizing all surface areas in the device. Alternatively, when the valve is placed in a use configuration, the passage of gas through the vented mesh is inhibited providing a sealed environment that functions as a valve. The invention is useful in manufacturing sterile medical devices by allowing all surfaces to communicate with the sterilizing agent when the valve is in a packaging configuration or when it is in a use configuration. | 08-26-2010 |
20100222627 | ROUGH BIO-ABSORBABLE STRANDS FOR SEED PLACEMENT - A rough, bio-absorbable strand is provided. More specifically, a bio-absorbable strand having a central body and a rough or irregular outer surface capable of securing the placement of the strand inside a patient is provided. The strand has one or more radioactive seeds embedded in the central body of the strand. The rough outer surface of the strand may include one or more prongs, ridges, strips, grooves, or texture. Additionally, the strand may be capable of being dispensed from an implant needle. | 09-02-2010 |
20100222628 | EXPANDABLE BRACHYTHERAPY DEVICE - A method for brachytherapy in a lumpectomy cavity of a breast including, positioning a distal end of a brachytherapy device within the cavity, expanding an expandable surface portion located between proximal and distal ends of the device within the cavity, the source lumen tubes defining a curved configuration within the cavity; and positioning a source of radiation sequentially within one or more source lumens of the source lumen tubes according to a brachytherapy treatment plan. The device includes an inner tube, and a plurality of source lumen tubes located around the inner tube and including distal ends secured together with the inner tube at the distal end disposed within the body cavity, the source lumen tubes comprising proximal portions sufficiently long to extend outside the breast. | 09-02-2010 |
20100228074 | Therapeutic and Directionally Dosed Implants - The present disclosure relates to an implant comprising at least one sheet of a biocompatible material, at least one shielding apparatus fixed to the biological material, and at least one radioactive seed partially disposed in the shielding apparatus. The disclosure also relates to a method for treating a patient, comprising fixing to the tissue of the patient at least one implant comprising at least one sheet of a biocompatible material, at least one shielding apparatus fixed to the biological material, and at least one radioactive seed partially disposed in the shielding apparatus. | 09-09-2010 |
20100234669 | Radiation/Drug Delivery Method and Apparatus - There is provided herein a brachytherapy delivery system for the internal delivery and positioning of therapeutic agent, most particularly, a discrete radiation emitting particulate, within or in proximity to a vertebral or other bony tumor. The system comprises an elongated bone cannula having a proximal and a distal end, the distal end being suitable for disposition within bone. The bone cannula further comprises a bore disposed longitudinally therethrough suitable to axially and slidably receive an elongated and cannulated therapy delivery apparatus through which the therapeutic agent is delivered. | 09-16-2010 |
20100234670 | COMBINED CRYOTHERAPY AND BRACHYTHERAPY DEVICE AND METHOD - Combined brachytherapy and ablation devices and methods. A combined brachytherapy and cryotherapy method, includes: inserting an ablation device into tissue of a subject; ablating tissue within an ablation zone of the device; detaching and removing a first part of the device while leaving a second part of the device in the tissue, the first part contacting the ablation zone; and inserting a brachytherapy rod into the second part of the device when the second part is detached from the first part, the brachytherapy rod connected to base at one end and retaining at least one radioactive seed at an opposing end, the brachytherapy rod configured and dimensioned so that when it is inserted into the device up to the base, the at least one radioactive seed is in the ablation zone. | 09-16-2010 |
20100268014 | BRACHYTHERAPY FIDUCIAL NEEDLE FIXATION SYSTEM AND METHOD - A mechanism to facilitate the insertion of radioactive sources/source strands into soft tissue, such as breast tissue, and a method that utilizes this mechanism with the goal of improving the reproducibility of the procedure and ensuring that the sources are reliably and consistently inserted in an exact position per a patient prescription treatment plan from patient to patient as well as improve the ease-of-use of the device and procedure are provided. | 10-21-2010 |
20100268015 | BRACHYTHERAPY ELEMENT TRANSFER SYSTEM - Disclosed herein is a system for transferring brachytherapy elements to a needle, such as seeds, connectors, spacers, and strands. The system comprises a transfer device and, optionally, a stylet and a rack configured to hold one or more transfer devices. | 10-21-2010 |
20110004045 | Methods And Apparatus for Intraocular Brachytherapy - A method for performing intraocular brachytherapy and an apparatus for performing the same is disclosed. The apparatus preferably comprises a hand-held delivery device that advances a radiation source into an associated cannula or probe that is positioned adjacent the target tissue. The handpiece provides for shielded storage of the radiation source when retracted from the cannula and includes a slider mechanism for advancing and retracting the radiation source. The radiation source is mounted to a wire that has a flexible distal end and a relatively stiffer proximal end. A positioning system for the cannula is also disclosed. | 01-06-2011 |
20110009686 | Method of generating specified activities within a target holding device - A method for producing uniform activity targets according to an embodiment of the invention may include arranging a plurality of targets in a holding device having an array of compartments, each target being assigned to a compartment based on a known flux of a reactor core so as to facilitate an appropriate exposure of the targets to the flux based on target placement within the array of compartments. The holding device may be positioned within the reactor core to irradiate the targets. The method may be used to produce brachytherapy and/or radiography targets (e.g., seeds, wafers) in a reactor core such that the targets have relatively uniform activity. | 01-13-2011 |
20110124949 | METHOD AND APPARATUS FOR STABILIZING TUBING DURING A BRACHYTHERAPY PROCEDURE - A stabilization device that may be used in connection with a radiation therapy procedure such as a breast brachytherapy procedure to stabilize one or more tubular members of a brachytherapy device between treatment sessions. The device includes a base member for placement over a body site of a patient and a cover member that may be positioned over the base member. The one or more tubular members may be locatable between the base and cover members and thereby stabilized relative to at least one of the base and cover members. In some embodiments, the base member may be in the form of a sheet member, and the stabilization device may include one or more resilient members that may be placed under the tubular members to limit lateral movement of the tubular members and provide a cushioning effect for the patient. | 05-26-2011 |
20110137103 | BRACHYTHERAPY APPARATUS AND METHODS FOR USING THEM - Apparatus for delivering brachytherapy to a target tissue region includes an elongate body including a proximal end, a distal end sized for introduction into a tissue tract and carrying a plurality of elongate members including pathways for receiving a source of radiation. The elongate members are movable between collapsed and expanded configurations. During use, a tract is created through tissue, and the elongate body carrying the elongate members is advanced through the tract into a target location with the elongate members in the collapsed configuration. The elongate members are directed to the expanded configuration at the target location, and radiation is delivered to treat tissue at the target location, e.g., by introducing one or more radiation sources along the pathways. | 06-09-2011 |
20110201868 | MAGAZINE FOR CHAIN COMPONENTS FOR A CHAIN WITH RADIATION SOURCES AND A SYSTEM CONSISTING OF A CHAIN COMPONENT AND A MAGAZINE FOR CHAIN COMPONENTS FOR A CHAIN WITH RADIATION SOURCES - A magazine for chain components of a chain with radiation sources comprises a housing as well as a first means for receiving chain components that is mounted in a pivotal manner in the housing and has recesses for receiving the chain components, a tension spring for driving the means for receiving the chain components, a sprocket being coupled in a pivotal manner to the means for receiving the chain components and being mounted in a pivotal position in the housing, and an ejector for ejection of the radiation sources. Furthermore, the magazine comprises an ejection lever which is mounted in a pivotal manner in the housing, whereby, in a first position, the ejection lever engages the sprocket, and in a second position it blocks the ejector. | 08-18-2011 |
20110230700 | EXPANDABLE BRACHYTHERAPY APPARATUS AND METHODS FOR USING THEM - Brachytherapy treatment apparatus are provided that include an elongate body including a core member and an outer member surrounding and movable relative to the core member. One or more helical catheters are provided on a distal portion of the elongate body, e.g., including distal ends coupled to the core member and proximal ends coupled to the outer member. The outer member is movable relative to the core member, e.g., axially and/or rotationally, to direct the helical catheters between a collapsed configuration for introduction through a tissue tract to a target location, e.g., a lumpectomy cavity, and an expanded configuration. Each helical catheter includes a lumen, and, after expansion to the expanded configuration, a source of radiation may be introduced along the helical catheters and/or a lumen of the core member for delivering radiation to the target location. Optionally, the apparatus may include a balloon surrounding or within the helical members. | 09-22-2011 |
20110257459 | BRACHYTHERAPY APPLICATOR - Described here are brachytherapy applicators that comprise a modular support matrix. The modular support matrix may define the arrangement of radiation source lumens within the brachytherapy applicator. The modular support matrix can be adjusted to position the radiation sources to obtain a certain dose and dose profile. A series of modular support matrices may be operably connected according to patient anatomy or dosing requirements. Systems and methods for using such modular brachytherapy applicators are also described. | 10-20-2011 |
20110263923 | SPACERS FOR USE IN BRACHYTHERAPY, RADIOTHERAPY, AND OTHER MEDICAL THERAPY - Spacers for use in brachytherapy, radiotherapy, and other medical therapy, which can be used to improve a patient's outcome, assist in treating difficult cases and/or combine multiple modalities that are currently performed separately into a single procedure. In accordance with an embodiment, a spacer is formed of an encapsulating material in a generally cylindrical or elongated shape. One or more regions are formed within the spacer for receiving and retaining therapeutic loads, such as radiation sources and/or pharmaceutical therapeutic loads, and/or any other substances that a physician might select to treat a patient, such as drug liquids, powder or particles (e.g., microparticles or nanoparticles), with the particles or powders combined with binders, such as polyacrylamide, that are selected to retain and gradually disperse the powder or particles at a desired rate. Such regions can be formed at various locations within the spacer, and can have various shapes depending on the particular design and intended usage, including, for example, bores, end cavities, wells, ports, slots and/or pockets. The outer surface of the encapsulating material can optionally include one or more fins, ribs or other physical protuberances or features that improve the fixity of the spacer when implanted within a patient's body. When implanted into the body, the spacer helps provide proper placement and spacing such as symmetrical and/or asymmetrical placement and spacing of the radiation sources and/or pharmaceutical therapeutic loads. | 10-27-2011 |
20110270012 | DEVICE AND METHOD FOR CONTROLLING EMISSION OF RADIATION - Embodiments of the invention include a device for therapeutically delivering radiation to tissue. Some embodiments include a radiation source and a combination of members surrounding the radiation source that move relative to one another to permit or restrict the emitting of radiation from the device. Limits to the movement of the combination of members may be imposed by one or more biodegradable members. | 11-03-2011 |
20110288361 | REAL TIME RADIATION TREATMENT PLANNING SYSTEM - The invention relates to a real time radiation treatment planning system for use in effecting radiation therapy of a pre-selected anatomical portion of an animal body using hollow needles. According to embodiments of the invention, the system may include a processing means processing means-configured to perform a three-dimensional imaging algorithm and a three-dimensional image segmentation algorithm, with respect to one or more specific organs within the pre-selected anatomical portion and with respect to the needles, for converting the image data obtained with an imaging means into a three-dimensional image of the anatomical portion, using at least one single or multi-objective anatomy-based genetic optimization algorithm. For pre-planning or virtual simulation purposes, the processing means is arranged to determine in real time the optimal number and position of at least one of the needles, positions of energy emitting sources within the needles, and the dwell times of the energy emitting sources at the positions. For post-planning purposes, the processing means is arranged to determine, based on three-dimensional image information, in real time the real needle positions and the dwell times of the energy emitting sources for the positions. | 11-24-2011 |
20120029262 | TREATMENT OF A BODY CAVITY - Devices and methods are provided for controlled application of a treatment to tissue adjacent a body cavity, such as after removal of tissue, e.g. cancer. A device embodying features of the invention includes one or more radiation shielding components to control emitted radiation from a radiation source to minimize radiation damage to healthy portions of the body cavity. A device embodying features of the invention can include a sealing member at a location on a shaft of the device proximal to a treatment location therein to seal the passageway leading to the body cavity. Methods for treating a body cavity include methods for delivering a radiation source to a body cavity while minimizing damaging irradiation of healthy tissue. | 02-02-2012 |
20120029263 | COMPONENTS AND ASSEMBLY FOR PERFORMING BRACHYTHERAPY TREATMENT OF TUMOUR TISSUE IN A HUMAN AND ANIMAL BODY - The invention relates to an assembly for performing brachytherapy treatment of tumour tissue in a human or animal body comprising an intracavitary component and at least one guiding unit, said at least one guiding unit exhibiting a longitudinal axis and being connectable to said intracavitary component, and wherein said at least one guiding unit is provided with coupling means for coupling at least one interstitial needle-assembly for delivering treatment to said tumour tissue. The assembly has coupling/uncoupling means arranged to allow a displacement of said at least one interstitial needle-assembly in a direction transverse to said longitudinal axis and to prevent a displacement of said at least one interstitial needle-assembly in a direction parallel to or a pre-defined angle to said longitudinal axis. This coupling principle allows for the preparation of the guiding unit before the patient is being hospitalized and positioned in the treatment room and will prevent the unwanted uncoupling of the interstitial needle-assembly during the actual treatment being performed, further reducing the risk of adversely affected treatment parameters (location and duration of the radiation being administered to the patient). | 02-02-2012 |
20120088952 | BRACHYTHERAPY DEVICE FOR FACILITATING ASYMMETRICAL IRRADIATION OF A BODY CAVITY - The disclosure describes devices and methods for asymmetrical irradiation at a body cavity or site, such as after removal of tissue, e.g. biopsy or cancer. One device includes a lumen which is off-set or off-settable from a longitudinal axis to increase the intensity of radiation received from a radiation source by a first tissue portion surrounding the body cavity and to reduce or minimize radiation received by a second tissue portion (e.g. healthy tissue) surrounding the body cavity. | 04-12-2012 |
20120142992 | APPLICATOR FOR USE IN A BRACHYTHERAPY RADIATION TREATMENT - In brachytherapy radiation treatment, particularly on the breast following a tumor resection, adequate skin to balloon distance must be maintained, to avoid damage to the skin. Often the distance is too small in certain areas or at a single point. The disclosed procedures and devices are effective to manipulate the skin-to-balloon distance to increase that distance when necessary, using vacuum, friction or other means to grip, move and “bunch” the breast tissue from regions of larger balloon-skin distance to regions with inadequate balloon-skin distance. The apparatus can include a ring or ring shaped array that fits around the breast, larger than the balloon, a circular vacuum device, or a cup which is pushed over the breast to move tissue toward a thin tissue region. In many cases only a few millimeters of added distance are needed to meet minimum requirements so that the radiation procedure can commence. | 06-07-2012 |
20120178983 | Orienting a Brachytherapy Applicator - A device for orienting a brachytherapy applicator implanted in a treatment cavity may include an elongated body defining an open channel adapted for slidably receiving at least a portion of a shaft or catheter body of a brachytherapy applicator. A manually engageable gripping element at an end of the elongated body is actuated to constrict at least a portion of the channel around a portion of the shaft to help prevent shaft twist and rotational movement between the elongated body and brachytherapy applicator. At least one engaging element on the elongated body is actuated to releasably engage at least one corresponding engaging element on a brachytherapy applicator. Shaft twist and rotational discontinuity between the elongated body and brachytherapy applicator are further prevented when the at least one engaging element of the elongated body engages the at least one corresponding element of the brachytherapy applicator. The device can advantageously be mounted and removed while the applicator is inside the treatment cavity. Furthermore, the device is an “external tool” that engages the brachytherapy applicator externally about its outer surface. | 07-12-2012 |
20120178984 | BIO-ABSORBABLE BRACHYTHERAPY STRANDS - Provided herein are bio-absorbable strands for use in brachytherapy. In an embodiment, a plurality of discrete hollow bio-absorbable segments spaced apart from one another and encapsulated using a bio-absorbable material to form an elongated member configured to be implantable in patient tissue using a hollow needle. Each hollow bio-absorbable segment has a length, an outer periphery and an inner channel. Radioactive material is within at least a portion of the inner channel or coating at least a portion of the outer periphery of each hollow bio-absorbable segment. Contrast material is within at least a portion of the inner channel or coating at least a portion of the outer periphery of each hollow bio-absorbable segment. | 07-12-2012 |
20120289762 | Source/seed delivery surgical staple device for delivering local source/seed direclty to a staple margin - A source delivery surgical staple device delivers a source/seed to a staple margin. The surgical staple delivery device includes a main staple body segment hingedly attached to a second body segment. Each of the segments is appointed for engagement to dispense the sources/seeds and/or a surgical staple to the staple margin. The device also includes a cartridge removably attached and snapped onto the main staple body segment. The cartridge has at least one staple line appointed for housing surgical staples, and being operative to form at least one staple line of surgical staples, and at least one cut line. The cartridge also has at least one source/seed/brachy staple line forming a brachy or radioactive seeds and/or chemotherapy agent dosage source. The radioactive seeds have a radioactive and/or chemotherapy source supported by leg portions that are manipulated during insert for fastening the radioactive staples to tissue at an incision margin. With this arrangement, a hybrid of chemotherapy agent and radiation is delivered directly into the staple lines and different dosage brachy loads can be loaded in the cartridge. | 11-15-2012 |
20120310032 | METHODS FOR ASYMMETRICAL IRRADIATION OF A BODY CAVITY - The disclosure describes devices and methods for asymmetrical irradiation at a body cavity or site, such as after removal of tissue, e.g. biopsy or cancer. One device includes a lumen which is off-set or off-settable from a longitudinal axis to increase the intensity of radiation received from a radiation source by a first tissue portion surrounding the body cavity and to reduce or minimize radiation received by a second tissue portion (e.g. healthy tissue) surrounding the body cavity. | 12-06-2012 |
20120330087 | MOBILE MEDICAL IMAGING SYSTEM AND METHODS - A mobile medical imaging device that allows for multiple support structures, such as a tabletop or a seat, to be attached, and in which the imaging gantry is indexed to the patient by translating up and down the patient axis. In one embodiment, the imaging gantry can translate, rotate and/or tilt with respect to a support base, enabling imaging in multiple orientations, and can also rotate in-line with the support base to facilitate easy transport and/or storage of the device. The imaging device can be used in, for example, x-ray computed tomography (CT) and/or magnetic resonance imaging (MRI) applications. | 12-27-2012 |
20120330088 | Methods and Apparatus for Intraocular Brachytherapy - Methods and apparatus for intraocular brachytherapy are disclosed in which a cannula is introduced into the eye for delivery of radiation to a target tissue. Techniques for properly locating the cannula with respect to the target tissue, for protecting non-target tissue, for regulating heat generated by x-ray emitters, and for combining therapies are disclosed. | 12-27-2012 |
20130006037 | TISSUE IRRADIATION - Devices and methods are disclosed for treatment to tissue surrounding a body cavity or other intracorporeal site, such as after removal of tissue, e.g. cancer. Such a device includes a treatment location on a distal portion of the device with one or more radiation shielding components that partially encircle a radiation source at the treatment location to control emitted radiation from the radiation source. The device minimizes radiation damage to healthy tissue surrounding the body cavity or other site while irradiating tissue not shielded by the radiation shielding components. A device embodying features of the invention can include a sealing member at a location on a shaft of the device proximal to a treatment location to seal the passageway leading to the body cavity. | 01-03-2013 |
20130012757 | BRACHYTHERAPY TEMPLATE ADAPTOR - A brachytherapy template adaptor for performing brachytherapy procedures using needles smaller in diameter than the template is designed to accommodate. Additionally, a kit for adapting a brachytherapy template is provided. | 01-10-2013 |
20130085315 | UNIVERSAL BALLOON FOR BRACHYTHERAPY APPLICATOR - A toroidal brachytherapy balloon is provided that fits over any brachytherapy applicator and reproducibly positions the applicator on every use. | 04-04-2013 |
20130102831 | REAL-TIME RADIATION TREATMENT PLANNING SYSTEM - The invention relates to a real time radiation treatment planning system for use in effecting radiation therapy of a pre-selected anatomical portion of an animal body using hollow needles. According to embodiments of the invention, the system may include a processing means processing means-configured to perform a three-dimensional imaging algorithm and a three-dimensional image segmentation algorithm, with respect to one or more specific organs within the pre-selected anatomical portion and with respect to the needles, for converting the image data obtained with an imaging means into a three-dimensional image of the anatomical portion, using at least one single or multi-objective anatomy-based genetic optimization algorithm. For pre-planning or virtual simulation purposes, the processing means is arranged to determine in real time the optimal number and position of at least one of the needles, positions of energy emitting sources within the needles, and the dwell times of the energy emitting sources at the positions. For post-planning purposes, the processing means is arranged to determine, based on three-dimensional image information, in real time the real needle positions and the dwell times of the energy emitting sources for the positions. | 04-25-2013 |
20130211178 | Methods And Devices For Minimally-Invasive Extraocular Delivery Of Radiation To The Posterior Portion Of The Eye - Methods and devices for minimally-invasive delivery of radiation to the posterior portion of the eye including a cannula comprising a distal portion connected to a proximal portion and a means for advancing a radionuclide brachytherapy source (RBS) toward the tip of the distal portion; a method of introducing radiation to the human eye comprising inserting a cannula between the Tenon's capsule and the sclera of the human eye and emitting the radiation from the cannula on an outer surface of said sclera. | 08-15-2013 |
20130211179 | SYSTEM AND METHOD FOR MINIMALLY INVASIVE DISEASE THERAPY - A system for treating a lesion site of a patient is disclosed. The system includes a cannula having a lumen, a conduit in communication with said lumen, an introducer stylet removably disposed within said cannula, a resecting device selectively insertable within said cannula, and an adjuvant treatment device selectively insertable within said cannula. | 08-15-2013 |
20140066688 | BRACHYTHERAPY AND BUTTRESS ELEMENT CO-DELIVERY - Brachytherapy delivery devices and buttress elements are described herein, along with methods of assembling the brachytherapy devices and the buttress elements for co-delivery of the brachytherapy delivery devices and buttress elements are described herein. | 03-06-2014 |
20140187849 | BRACHYTHERAPY SOURCE ASSEMBLY - An embodiment of the present disclosure is directed to a brachytherapy source assembly including a guiding wire and a brachytherapy capsule located at a distal end of the guiding wire. The capsule includes a chamber defined by a wall for holding a radioactive source. At least a portion of an exterior surface of the wall of the capsule includes at least one of a friction-reducing coating, a wear-resistant coating, and a wear-indication coating a coating. | 07-03-2014 |
20140206925 | DEVICE PROVIDED WITH A SET OF APPLICATORS FOR CONTACT RADIOTHERAPY, AND SYSTEM COMPRISING SAID DEVICE - Disclosed is a device for contact radiotherapy, comprising a set of applicators, wherein each applicator comprises a hollow spherical head, with different diameters, the external surface of which is able to be in contact with a cavity of a living tissue and the internal surface of which defines an internal space able to receive a source of x-rays, with at least one area of the head is intended to have x-rays pass through it, and the thickness of said area depends on the diameter of the head configured so that the dose of x-rays produced at the external surface is between 18 and 22 gray. | 07-24-2014 |
20140288350 | FLEXIBLE APPLICATOR FOR RADIATION THERAPY - An applicator for use in radiation therapy comprises:
| 09-25-2014 |
20150105606 | Real Time Radiation Treatment Planning System - The invention relates to a real time radiation treatment planning system for use in effecting radiation therapy of a pre-selected anatomical portion of an animal body using hollow needles. According to embodiments of the invention, the system may include a processing means processing means-configured to perform a three-dimensional imaging algorithm and a three-dimensional image segmentation algorithm, with respect to one or more specific organs within the pre-selected anatomical portion and with respect to the needles, for converting the image data obtained with an imaging means into a three-dimensional image of the anatomical portion, using at least one single or multi-objective anatomy-based genetic optimization algorithm. For pre-planning or virtual simulation purposes, the processing means is arranged to determine in real time the optimal number and position of at least one of the needles, positions of energy emitting sources within the needles, and the dwell times of the energy emitting sources at the positions. For post-planning purposes, the processing means is arranged to determine, based on three-dimensional image information, in real time the real needle positions and the dwell times of the energy emitting sources for the positions. | 04-16-2015 |
20150119628 | BRACHYTHERAPY APPARATUS - The invention relates to a brachytherapy apparatus ( | 04-30-2015 |
20150306420 | Method of Use of an Embolic Implant for Radio-Ablative Treatment - A method of radio-ablation in conjunction with embolic implants used for pre-embolization of branch arteries in radio-ablation of the liver or other diseased tissue. | 10-29-2015 |
20150367144 | ADVANCED ROTATING-SHIELD BRACHYTHERAPY AND PLANNING OF THE SAME - Systems and methods for rotating shield brachytherapy. In an aspect, some of the systems and methods can be used to facilitate shield selection for use in rotating shield brachytherapy. In an aspect, the invention is a shielded needle or catheter system with a rotational controller for delivering radioisotope-based interstitial rotating shield brachytherapy (I-RSBT), In an aspect, I-RSBT needles can deliver dose distributions that can be non-radially symmetric about each needle, enabling reduced doses to sensitive normal tissues. Further provided are methods and systems for selecting an emission angle for use in S-RSBT and for sequencing the rotating shields. Further provided are methods and system for the multiple application of M-RSBT in a single setting. | 12-24-2015 |
20160051839 | MULTITUBE ESOPHAGEAL BRACHYTHERAPY CATHETER - A system for delivery of radiation to a target portion of a native tissue is provided. The system includes a catheter having a catheter body with a proximal portion, a distal portion, and a longitudinally oriented lumen therebetween. The system further includes an expansion device disposed about at least a portion of the catheter body and having an expanded configuration and a non-expanded configuration. The system also includes a plurality of tubes disposed about at least a portion of the expansion device. Each of the plurality of tubes is configured to selectively guide exposure of a radiation source to the target portion of the native tissue. | 02-25-2016 |
20160096039 | BRACHYTHERAPY APPLICATOR DEVICE AND METHOD OF USE THEREOF - An applicator device is provided including a connecting unit. The connecting unit includes a first connector coupled to a first colpostat and a second connector coupled to a second colpostat. The first connector includes a first contact portion and a body portion, the first contact portion being immovably fixed to the body portion. The second connector includes a second contact portion and a third contact portion, the second contact portion being configured to contact and pivotally engage the first contact portion. The first connector further includes a fourth contact portion configured to contact the third contact portion. The second contact portion and the third contact portion are disposed between the first contact portion and the fourth contact portion, and the first contact portion are disposed in closer proximity to a point of delivery of a radiation source than the second, third, or fourth contact portions. | 04-07-2016 |
20160184605 | Direct visualization Robotic Intra-Operative Radiation Therapy Device with Radiation Ablation Capsule and Shutter System - This invention proposes a robotic applicator device to be deployed internally to a patient having a capsule (also referred to as a cassette) and aperture with a means of alternately occluding and exposing a radioactive source through the aperture. The capsule and aperture will be integrated with a surgical robot to create a robotic IORT (intra-operative radiation therapy) applicator device as more fully described below. The capsule, radiation source, and IORT applicator arm would be integrated to enable a physician, physicist or technician to interactively internally view and select tissue for exposure to ionizing radiation in sufficient quantities to deliver therapeutic radiation doses to tissue. Via the robotic manipulation device, the physician and physicist would remotely apply radiation to not only the tissue to be exposed, but also control the length of time of the exposure. Control means would be added to identify and calculate margin and depth of tissue to be treated and the proper radiation source or radioactive isotope (which can be any particle emitter, including neutron, x-ray, alpha, beta or gamma emitter) to obtain the desired therapeutic effects. The invention enables stereotactical surgery and close confines radiation therapy adjacent to radiosensitive tissue. | 06-30-2016 |
20160184611 | A SYSTEM AND METHOD FOR VISUALIZING INFORMATION IN A PROCEDURE OF PLACING SOURCES | 06-30-2016 |
20160375266 | METHOD FOR IDENTIFYING THE LOCATION OF AT LEAST ONE TREATMENT CHANNEL FROM A GROUP OF A PLURALITY OF TREATMENT CHANNELS AS WELL AS A SYSTEM FOR EFFECTING RADIATION TREATMENT ON A PRE-SELECTED ANATOMICAL PORTION OF AN ANIMAL BODY - The invention relates to a method for identifying the location at least one treatment channel from a group of a plurality of treatment channels as wells as a system for effecting radiation treatment on a pre-selected anatomical portion of an animal body. | 12-29-2016 |
20160375267 | METHODS AND DEVICES FOR MINIMALLY-INVASIVE DELIVERY OF RADIATION TO THE EYE - Methods and devices for minimally-invasive delivery of radiation to the eye (such as the posterior portion of the eye) including cannula systems with multiple treatment positions and/or multiple channels in the distal tip of the cannula systems. The channels can accommodate emanating sources and exposing a target at various treatment positions. The emanating sources may be annulus-shaped. | 12-29-2016 |
20170232270 | SYSTEM FOR DETECTING STENT SLIPPAGE, METHOD FOR DETECTING STENT SLIPPAGE | 08-17-2017 |