Patent application number | Description | Published |
20080228023 | 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 and finely divided particulate 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. | 09-18-2008 |
20080228024 | 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 and finely divided particulate 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. | 09-18-2008 |
20080228150 | 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. | 09-18-2008 |
20080281142 | 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. | 11-13-2008 |
20080281143 | 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. | 11-13-2008 |
20080319342 | Biopsy device with selectable tissue receiving aperture orientation and site illumination - The invention is directed to a system and device for separating and collecting a tissue specimen from a target site within a patient. The device includes a probe component with an elongated tubular section, a penetrating distal tip and a tissue receiving aperture in the distal end of the tubular section proximal to the distal tip, and a tissue cutting member which is slidably disposed within the probe member to cut a tissue specimen drawn into the interior of the device through the aperture by applying a vacuum to the inner lumen of the tissue cutting member. The device also has a driver component to which the probe component is releasably secured. The driver has a drive member for adjusting the orientation of the tubular section and thus the aperture therein and one or more drive members for moving the tissue cutting member within the tubular section to sever a tissue specimen from tissue extending into the interior of the tubular section through the aperture. The motion imparted to the tissue cutter is at least longitudinal and preferably is also oscillation and/or rotational to effectively separate a tissue specimen from tissue extending through the aperture in the tubular section. | 12-25-2008 |
20080319468 | Biopsy device with selectable tissue receiving aperature orientation and site illumination - The invention is directed to a system and device for separating and collecting a tissue specimen from a target site within a patient. The device includes a probe component with an elongated tubular section, a penetrating distal tip and a tissue receiving aperture in the distal end of the tubular section proximal to the distal tip, and a tissue cutting member which is slidably disposed within the probe member to cut a tissue specimen drawn into the interior of the device through the aperture by applying a vacuum to the inner lumen of the tissue cutting member. The device also has a driver component to which the probe component is releasably secured. The driver has a drive member for adjusting the orientation of the tubular section and thus the aperture therein and one or more drive members for moving the tissue cutting member within the tubular section to sever a tissue specimen from tissue extending into the interior of the tubular section through the aperture. The motion imparted to the tissue cutter is at least longitudinal and preferably is also oscillation and/or rotational to effectively separate a tissue specimen from tissue extending through the aperture in the tubular section. | 12-25-2008 |
20090030405 | Universal medical device control console - A control consol is disclosed for controlling one or more medical devices. The control consol communicates to at least one medical device, and at least one peripheral module associated with the medical device if needed. The control consol has a microprocessor for processing data to direct an operation of the medical device. | 01-29-2009 |
20090112118 | Biopsy device with fluid delivery to tissue specimens - The invention is directed to a system and method for separating and collecting one or more tissue specimens from a target site within a patient and flushing the specimen to remove blood, debris and the like before the specimen is removed from the biopsy device. The flow of flushing fluid to the tissue collector is preferably controlled to coincide with delivery of one or more specimens to the collecting tray or basket of the device or after the receipt of the specimen within the tissue collector to ensure that the fluid is applied to a fresh specimen. The tissue tray or basket within the tissue collector has an open or foraminous portion to facilitate removal of fluid, such as the applied fluid and blood, and other debris from the tissue specimens on the tray. Vacuum is provided within the tissue collector, preferably under the tray to remove fluid and debris from the collector interior. | 04-30-2009 |
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 |
20090137928 | Biopsy device with fluid delivery to tissue specimens - The invention is directed to a system and method for separating and collecting one or more tissue specimens from a target site within a patient and flushing the specimen to remove blood, debris and the like before the specimen is removed from the biopsy device. The flow of flushing fluid to the tissue collector is preferably controlled to coincide with delivery of one or more specimens to the collecting tray or basket of the device or after the receipt of the specimen within the tissue collector to ensure that the fluid is applied to a fresh specimen. The tissue tray or basket within the tissue collector has an open or foraminous portion to facilitate removal of fluid, such as the applied fluid and blood, and other debris from the tissue specimens on the tray. Vacuum is provided within the tissue collector, preferably under the tray to remove fluid and debris from the collector interior. | 05-28-2009 |
20090204021 | Apparatus and method for accessing a body site - A device to access a desired tissue site within a patient's body and separate a tissue specimen from the tissue site. The device includes a probe member having a tissue penetrating distal tip having a plurality of concaved surfaces which form curved cutting edges at the intersection of adjacent concave surfaces. The probe member has an inner lumen which when subjected to a vacuum, secures tissue for the specimen to the surface of a distal tubular section of the probe which may be off-set from a central longitudinal axis. A circular tissue-cutting blade is configured to move longitudinally to sever a tissue specimen from tissue secured to the surface of the distal tubular section by the application of a vacuum to the inner lumen of the probe. | 08-13-2009 |
20100114335 | Universal medical device control consol - A control consol is disclosed for controlling one or more medical devices. The control consol communicates to at least one medical device, and at least one peripheral module associated with the medical device if needed. The control consol has a microprocessor for processing data to direct an operation of the medical device. | 05-06-2010 |
20100262037 | BIOPSY DEVICE WITH INNER CUTTING MEMBER - The invention is directed to devices and methods for separating and collecting a tissue specimen from a patient's target site. The device includes a probe member with a penetrating distal tip and a tissue receiving aperture, and a tissue cutting member which is rotatable disposed within the probe member to cut a tissue specimen drawn into the interior of the device through the aperture. The longitudinal edges of the aperture are preferably sharpened to engage the cutting edges of the tissue cutting member. Vacuum may be provided in the inner lumen of the cutting member to transport tissue therethrough. Rotation, rotational oscillation and/or longitudinal reciprocation of the tissue cutting member is effective to separate a tissue specimen from surrounding tissue. An accessing cannula having an tissue receiving aperture may be concentrically disposed within the probe member and about the tissue cutting member. The tissue cutting edge of the tissue cutting member preferably is longitudinally oriented and may have a cutting angle less than 90° with respect to the longitudinal axis of the tissue cutting member. | 10-14-2010 |
20100268117 | BIOPSY DEVICE WITH SELECTABLE TISSUE RECEIVING APERTURE ORIENTATION AND SITE ILLUMINATION - The invention is directed to a system and device for separating and collecting a tissue specimen from a target site within a patient. The device includes a probe component with an elongated tubular section, a penetrating distal tip and a tissue receiving aperture in the distal end of the tubular section proximal to the distal tip, and a tissue cutting member which is slidably disposed within the probe member to cut a tissue specimen drawn into the interior of the device through the aperture by applying a vacuum to the inner lumen of the tissue cutting member. The device also has a driver component to which the probe component is releasably secured. The driver has a drive member for adjusting the orientation of the tubular section and thus the aperture therein and one or more drive members for moving the tissue cutting member within the tubular section to sever a tissue specimen from tissue extending into the interior of the tubular section through the aperture. The motion imparted to the tissue cutter is at least longitudinal and preferably is also oscillation and/or rotational to effectively separate a tissue specimen from tissue extending through the aperture in the tubular section. | 10-21-2010 |
20100298698 | TISSUE SITE MARKERS FOR IN VIVO IMAGING - The invention is directed biopsy site markers and methods of marking a biopsy site, so that the location of the biopsy cavity is readily visible by conventional imaging methods, particularly by ultrasonic imaging. The biopsy site markers of the invention have high ultrasound reflectivity, presenting a substantial acoustic signature from a small marker, so as to avoid obscuring diagnostic tissue features in subsequent imaging studies, and can be readily distinguished from biological features. The several disclosed embodiments of the biopsy site marker of the invention have a high contrast of acoustic impedance as placed in a tissue site, so as to efficiently reflect and scatter ultrasonic energy, and preferably include gas-filled internal pores. The markers may have a non-uniform surface contour to enhance the acoustic signature. The markers have a characteristic form which is recognizably artificial during medical imaging. The biopsy site marker may be accurately fixed to the biopsy site so as to resist migration from the biopsy cavity when a placement instrument is withdrawn, and when the marked tissue is subsequently moved or manipulated. | 11-25-2010 |
20110040139 | SOFT BODY CATHETER WITH LOW FRICTION LUMEN - An elongated catheter device for irradiating tissue surrounding a body site within a patient includes a treatment location on a distal portion of the elongated catheter device. An elongated flexible shaft is formed at least in part of a low durometer polymeric material and has at least one radiation lumen extending within a portion of the elongated flexible shaft formed of the low durometer polymeric material to the treatment location and is configured to receive a radiation source. A deposited coating of a high durometer polymeric material and a starch particulate is located on a lumen surface of the at least one radiation lumen to provide improved frictional characteristics in the at least one radiation lumen. | 02-17-2011 |
20110245715 | BIOPSY PROBE HAVING A TISSUE SPECIMEN COLLECTOR - A tissue specimen collector includes a collector housing defining an interior, and has a proximal opening and a distal port opposite the proximal opening. The distal port is configured to receive a proximal end of a tubular elongated member of a biopsy probe such that the proximal end can extend into the interior. A tray is releasably attached to the collector housing at the proximal opening. The tray includes a grated portion configured to extend through the proximal opening of the collector housing toward the distal port and into the interior to separate the collector housing to define a tissue chamber and a vacuum chamber, such that a tissue discharge port of the tubular elongated member is able to be positioned in the tissue chamber above the grated portion. The grated portion has a plurality of holes to facilitate fluid communication between the tissue chamber and the vacuum chamber. | 10-06-2011 |
20120071705 | BRACHYTHERAPY DEVICE 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. | 03-22-2012 |
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 |
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 |
20130079664 | BIOPSY DEVICE WITH FLUID DELIVERY TO TISSUE SPECIMENS - The invention is directed to a system and method for separating and collecting one or more tissue specimens from a target site within a patient and flushing the specimen to remove blood, debris and the like before the specimen is removed from the biopsy device. The flow of flushing fluid to the tissue collector is preferably controlled to coincide with delivery of one or more specimens to the collecting tray or basket of the device or after the receipt of the specimen within the tissue collector to ensure that the fluid is applied to a fresh specimen. The tissue tray or basket within the tissue collector has an open or foraminous portion to facilitate removal of fluid, such as the applied fluid and blood, and other debris from the tissue specimens on the tray. Vacuum is provided within the tissue collector, preferably under the tray to remove fluid and debris from the collector interior. | 03-28-2013 |
20130123829 | MRI DETECTABLE OBTURATOR - An obturator for marking an intracorporeal site includes an elongated shaft having an inner lumen, a proximal end, and a substantially closed distal end, the substantially closed distal end being formed of a penetrable membrane. A stylet has an MRI detectable distal shaft portion configured for removable insertion into the inner lumen of the elongated shaft to a location proximal to the penetrable membrane. The MRI detectable distal shaft portion is configured to not interfere with magnetic resonance imaging of tissue proximate thereto. | 05-16-2013 |
20130138014 | BIOPSY DEVICE WITH APERTURE ORIENTATION AND IMPROVED TIP - A biopsy device includes an elongated probe having a central longitudinal axis, a proximal end, a distal end, and an aperture. A tissue penetrating tip includes a proximal base secured to the distal end of the probe. A sharp distal point distal to the proximal base lies on the central longitudinal axis. Each of a first, second and third concave surface is configured to extend from the base to the sharp distal point. The second concave surface is located to intersect the first concave surface to form a first curved cutting edge. A third concave surface is located to intersect the first concave surface to form a second curved cutting edge and is located to intersect the second concave surface to form a third curved cutting edge. Each curved cutting edge extends from the base to the sharp distal point. A tissue cutting device is coaxial with the probe. | 05-30-2013 |
20140039344 | BIOPSY DEVICE WITH INNER CUTTING MEMBER - The invention is directed to devices and methods for separating and collecting a tissue specimen from a patient's target site. The device includes a probe member with a penetrating distal tip and a tissue receiving aperture, and a tissue cutting member which is rotatable disposed within the probe member to cut a tissue specimen drawn into the interior of the device through the aperture. The longitudinal edges of the aperture are preferably sharpened to engage the cutting edges of the tissue cutting member. Vacuum may be provided in the inner lumen of the cutting member to transport tissue therethrough. Rotation, rotational oscillation and/or longitudinal reciprocation of the tissue cutting member is effective to separate a tissue specimen from surrounding tissue. An accessing cannula having an tissue receiving aperture may be concentrically disposed within the probe member and about the tissue cutting member. The tissue cutting edge of the tissue cutting member preferably is longitudinally oriented and may have a cutting angle less than 90° with respect to the longitudinal axis of the tissue cutting member. | 02-06-2014 |
20140155771 | UNIVERSAL MEDICAL DEVICE CONTROL CONSOLE - A control console is disclosed for controlling one or more medical devices. The control console communicates to at least one medical device, and at least one peripheral module associated with the medical device if needed. The control console has a microprocessor for processing data to direct an operation of the medical device. | 06-05-2014 |
20140243675 | TISSUE SITE MARKERS FOR IN VIVO IMAGING - The invention is directed biopsy site markers and methods of marking a biopsy site, so that the location of the biopsy cavity is readily visible by conventional imaging methods, particularly by ultrasonic imaging. The biopsy site markers of the invention have high ultrasound reflectivity, presenting a substantial acoustic signature from a small marker, so as to avoid obscuring diagnostic tissue features in subsequent imaging studies, and can be readily distinguished from biological features. The several disclosed embodiments of the biopsy site marker of the invention have a high contrast of acoustic impedance as placed in a tissue site, so as to efficiently reflect and scatter ultrasonic energy, and preferably include gas-filled internal pores. The markers may have a non-uniform surface contour to enhance the acoustic signature. The markers have a characteristic form which is recognizably artificial during medical imaging. The biopsy site marker may be accurately fixed to the biopsy site so as to resist migration from the biopsy cavity when a placement instrument is withdrawn, and when the marked tissue is subsequently moved or manipulated. | 08-28-2014 |
20140330113 | GRAPHICAL USER INTERFACE FOR TISSUE BIOPSY SYSTEM - A graphical user interface is disclosed for a tissue biopsy system having a tissue cutting member adapted for cutting one or more tissue specimens from tissue at a target site within a patient. The graphical user interface includes a first GUI area representing a first region of the target site from which the tissue cutting member has separated one or more tissue specimens. The graphical user interface further includes a second GUI area, visually distinguishable from the first GUI area, representing a second region from which the tissue cutting member may separate one or more additional tissue specimens from tissue at the target site. | 11-06-2014 |
20150080760 | BIOPSY DEVICE WITH FLUID DELIVERY TO TISSUE SPECIMENS - A method of collecting one or more tissue specimens in a tissue biopsy system includes: providing a housing with a releasable proximal housing portion having an input port, a vacuum port, an interior, and a tissue specimen retaining member within the interior interposed between the input port and the vacuum port, the interior being in fluid communication with the inner lumen of an elongated tissue cutter, the tissue specimen retaining member having a plurality of openings configured to retain the one or more tissue specimens and to pass fluid and debris; inserting the proximal end of the elongated cutting member through the input port of the releasable proximal housing portion to position the proximal end in the interior above the plurality of openings of the tissue specimen retaining member; applying a vacuum to the vacuum port; and cutting a tissue specimen from a tissue site with the elongated tissue cutter. | 03-19-2015 |