Patent application number | Description | Published |
20080200833 | VACUUM ASSISTED BIOPSY DEVICE - A biopsy device is disclosed that comprises a cutting element mounted to a handpiece and a vacuum chamber. The cutting element comprises a stylet assembly and an outer cannula assembly. The stylet assembly includes a stylet that includes an open proximal end and a tissue opening at a distal end thereof. The tissue receiving opening is in communication with a lumen extending through the stylet. The outer cannula assembly includes an outer cannula that is slidably mounted over the stylet and has an open distal end with a cutting edge formed thereon. The vacuum chamber is in communication with the lumen of the stylet. The stylet is selectively advanced distally outwardly with respect to outer cannula to expose the tissue opening to targeted tissue. The outer cannula is selectively advanced over the tissue opening to sever tissue, while vacuum is generated in the vacuum chamber and delivered to the tissue opening through the lumen. The vacuum causes tissue to be drawn into and maintained in the tissue opening while the outer cannula severs tissue to obtain a biopsy core. | 08-21-2008 |
20090048533 | BIOPSY APPARATUS - A biopsy apparatus having a disposable cutting element and a reusable handpiece is disclosed. The disposable cutting element includes an inner cannula that defines an inner lumen and terminates in a cutting edge. The inner cannula is slidably disposed within an outer cannula that defines an outer lumen that has a tissue-receiving opening. The inner cannula is driven by a rotary motor and a reciprocating motor. Both motors are constructed of a MRI compatible material. | 02-19-2009 |
20090082696 | VACUUM ASSISTED BIOPSY DEVICE - A biopsy device is disclosed that comprises a cutting element mounted to a handpiece and a vacuum chamber. The cutting element comprises a stylet assembly and an outer cannula assembly. The stylet assembly includes a stylet that includes an open proximal end and a tissue opening at a distal end thereof. The distal end of the stylet is blunt-shaped. The tissue receiving opening is in communication with a lumen extending through the stylet. The outer cannula assembly includes an outer cannula that is slidably mounted over the stylet and has an open distal end with a cutting edge formed thereon. The vacuum chamber is in communication with the lumen of the stylet. The stylet is selectively advanced distally outwardly with respect to outer cannula to expose the tissue opening to targeted tissue. The outer cannula is selectively advanced over the tissue opening to sever tissue, while vacuum is generated in the vacuum chamber and delivered to the tissue opening through the lumen. The vacuum causes tissue to be drawn into and maintained in the tissue opening while the outer cannula severs tissue to obtain a biopsy core. | 03-26-2009 |
20090087249 | ADAPTER ASSEMBLY - An adapater is disclosed. An adapter for securing a surgical device to a positioning stage is disclosed. The adapter includes a body member defined by a distal end and a proximal end. The body member includes at least one connector element for selectively securing the adapter to a positioning stage. One of the distal and proximal ends of the body member further includes a mounting member for securing a portion of the surgical device to the body member. | 04-02-2009 |
20090088663 | SURGICAL SYSTEM - A surgical device is disclosed. The surgical device comprises a housing, a cutting element, a spool, a piston, and a spring. The cutting element extends from the housing at the distal end of the housing. The cutting element comprises an outer cannula and an inner cannula. The spool is engaged with the outer cannula. The piston is engaged with the inner cannula. A spring is positioned between the spool and the piston. The spool is translated distally to translate the outer cannula towards the distal end. And the piston translates the inner cannula towards the distal end to sever tissue. | 04-02-2009 |
20090088664 | SURGICAL DEVICE AND METHOD FOR USING SAME - A method of using a surgical system that includes an outer cannula is disclosed. The method includes removably mounting a surgical device to an adapter. The adapter is secured to a stage. The surgical device and adapter is positioned at a predetermined location for inserting the outer cannula toward a target site in a body. Once positioned in the body, the outer cannula is fired to the target site. At least one tissue sample is taken using the surgical device and tissue samples are harvested from the surgical device. | 04-02-2009 |
20090088666 | SURGICAL DEVICE - A surgical device is disclosed. The surgical device comprises a housing, a cutting element, a spool, a piston, and a spring. The cutting element extends from the housing at the distal end of the housing. The cutting element comprises an outer cannula and an inner cannula. The spool is engaged with the outer cannula. The piston is engaged with the inner cannula. A spring is positioned between the spool and the piston. The spool is translated distally to translate the outer cannula towards the distal end. And the piston translates the inner cannula towards the distal end to sever tissue. | 04-02-2009 |
20090137927 | BIOPSY APPARATUS WITH VACUUM RELIEF - A method of relieving vacuum of in a biopsy apparatus that comprises an outer cannula defining a first inner lumen therethrough and a tissue-receiving opening in communication with the first inner lumen; an inner cannula slidably disposed in the first inner lumen of the outer cannula, wherein the inner cannula defines a second inner lumen therethrough, at least one motor for moving the inner cannula relative to the outer cannula, and a vacuum source in fluid communication with the second inner lumen of the inner cannula, is disclosed. The method comprises applying vacuum from the vacuum source to the second inner lumen of the inner cannula; providing a leak path that permits fluid communication between the first inner lumen of the outer cannula and the atmosphere at a proximal end of the outer cannula; retracting the inner cannula away from a distal end of the outer cannula so as to permit tissue to prolapse into the tissue receiving opening due to the vacuum created through the second inner lumen of the inner cannula; translating the inner cannula toward the distal end of the outer cannula to sever the tissue that has prolapsed into the tissue receiving opening; aspirating the severed tissue through the second inner lumen of the inner cannula; and selectively relieving vacuum distally of the severed and aspirating tissue. The vacuum relief is achieved by retracting the inner cannula away from the distal end of said outer cannula thereby permitting the second inner lumen to communicate with the first inner lumen and the leak path while a portion of the biopsy apparatus, including the tissue receiving opening, is positioned within tissue. | 05-28-2009 |
20090204020 | TISSUE COLLECTION SYSTEM - A tissue sample collection device and method are described and disclosed. The tissue sample collection device has a filter that is removably disposed within a sleeve. The filter has an open proximal end and an internal passageway that is in fluid communication with the open proximal end for the passage of fluids. The filter is substantially impermeable to tissue samples but allows the passage of fluids into the internal passageway at a plurality of spaced apart locations along at least a portion of the filter's length. When used to collect tissue samples, the samples are collected on the exterior surface of the filter. Thus, the filter can be removed from the sleeve, and samples can be removed from the exterior surface of the filter. In certain exemplary versions of the tissue sample collection device, the filter is provided on a filter member, and the sleeve is adjustably attached to the filter to define a tissue collection configuration in which the filter is disposed within the sleeve and a tissue retrieval configuration in which filter projects away from the sleeve. | 08-13-2009 |
20100069787 | ADAPTER ASSEMBLY FOR STEREOTACTIC BIOPSY - An adapter is provided for use with a biopsy device that includes a cutting element having an outer cannula hub removably mounted to a handpiece. The cutting element includes an outer cannula connected to the outer cannula hub and an inner cannula disposed within the outer cannula and attached to the handpiece. The outer cannula hub allows removal of the handpiece and inner cannula from the outer cannula. The adapter includes a base, a cradle moveably mounted to the base and configured to rotatably support the biopsy device therein, and an indexing guide moveable with the cradle having a receptacle within which the outer cannula hub is rotatably received. The cradle and indexing guide are configured to inhibit rotation and axial movement of the biopsy device relative to the cradle, and facilitates removal of the handpiece and inner cannula from the outer cannula, while maintaining registration with the biopsy site. | 03-18-2010 |
20100081964 | REAL-TIME PATHOLOGY - A system for detecting abnormal tissue in a patient including an introducer cannula having a proximal opening and a distal opening. The system further includes a surgical instrument configured for selective insertion through the cannula. The surgical instrument further includes a tissue cutting opening positioned relative to the distal end of the introducer cannula when fully inserted through the introducer cannula. The system also includes a sensor configured to detect at least one property of the tissue of the patient. The sensor is located at a fixed distance relative to the distal end of the introducer cannula when the surgical instrument is inserted into the introducer cannula. | 04-01-2010 |
20100160777 | REVERSE DEPLOYMENT DEVICE - A site marker deployment device is disclosed. The site marker deployment device comprises an inner member and a deployment cannula. The inner member has a distal end. The deployment cannula has an open distal end. The deployment cannula is slidably disposed over the inner member and a site marker that is disposed within the deployment cannula adjacent the inner member at the distal end of the depolyment cannula. The inner member is configured to be held generally stationary relative to a target location as deployment cannula is selectively moved between a pre-deployment configuration wherein the deployment cannula is positioned over at least a portion of the site marker and a deployed configuration wherein the deployment cannula is retracted such that the site marker is released from the deployment cannula. | 06-24-2010 |
20100160829 | Biopsy Needle with Integrated Guide Pin - A biopsy needle assembly for use in a biopsy gun includes coaxially slidably engaged outer needle and inner needles. The inner needle defines a cavity adjacent its distal end for receiving a tissue sample. A first hub is attached to the proximal end of the inner needle, and a second hub is attached to the proximal end of the outer needle. An elongated pin having a first end and a second end is fixedly attached to the first hub at the first end of the pin. The second end is in sliding contact with the second hub so that the second hub and the pin are slidable relative to each other. A stop engagement is provided between the second end of the pin and the second hub and is configured to prevent disengagement of the outer and inner needles and to maintain a specific physical relationship between the hubs. | 06-24-2010 |
20100286627 | Biopsy Site Marker Deployment Device - A biopsy marker deployment device adapted to selectively deposit a marker in a target location, such as a biopsy site. In one embodiment, the device includes a deployment assembly comprising a cannula adapted to house at least one marker, an outlet aperture defined by a portion of the cannula, and an actuatable pushrod slidably disposed and movable within the cannula. The deployment assembly further comprises a selectively opening outlet door movable between an open position and a closed position. The outlet door is biased in the closed position and at least partially obstructs the aperture in the closed position to prevent a marker from reentering the cannula upon deployment. | 11-11-2010 |
20110004119 | SURGICAL SYSTEM - A surgical device is disclosed that comprises a cutting element, a biopsy line, a motor line, and a vacuum line. The cutting element includes an outer cannula and an inner cannula. The biopsy line is operatively connected to a control console for moving the inner cannula within the outer cannula to cut tissue cores. The motor line is operatively connected to the control console for operating the surgical device. The vacuum line is operatively connected to the inner cannula. A selectively openable tissue filter is operatively connected to the inner cannula, and is also connected to the vacuum line. | 01-06-2011 |
20110040145 | SURGICAL ADAPTER - A surgical system is provided that includes a device body that has a working channel providing a pathway for an instrument, an extension adjuster engaged with the device body, the extension adjuster also including a stop. The stop is disposed a predetermined distance from the working channel such that the stop and the distal end of the working channel cooperate to define an effective working channel length. The instrument may be inserted through the working channel and protrude outwardly from the distal end of the working channel. The extent of the protrusion is limited by the effective working channel length whereby the stop prevents further insertion of the instrument. | 02-17-2011 |
20120059276 | Biopsy Apparatus - A disposable tissue removal device comprises a “tube within a tube” cutting element mounted to a handpiece. The inner cannula of the cutting element defines an inner lumen and terminates in an inwardly beveled, razor-sharp cutting edge. The inner cannula is driven by both a rotary motor and a reciprocating motor. At the end of its stroke, the inner cannula makes contact with the cutting board to completely sever the tissue. An aspiration vacuum is applied to the inner lumen to aspirate excised tissue through the inner cannula and into a collection trap that is removably mounted to the handpiece. The rotary and reciprocating motors are hydraulically powered through a foot pedal operated hydraulic circuit. The entire biopsy device is configured to be disposable. In one embodiment, the cutting element includes a cannula hub that can be connected to a fluid source, such as a valve-controlled saline bag. | 03-08-2012 |
20120078133 | VACUUM ASSISTED BIOPSY DEVICE - A biopsy device having a stylet, an outer cannula, and a vacuum chamber is disclosed. The stylet includes a lumen with an open proximal end and a tissue receiving opening near a distal end thereof. The outer cannula is slidably disposed over the stylet and has an open distal end with a cutting edge formed thereon. The vacuum chamber is in communication with the lumen of the stylet. Actuation of the outer cannula causes a vacuum to be delivered to the tissue receiving opening through the lumen of the stylet before the outer cannula advances distally. | 03-29-2012 |
20120302913 | BIOPSY APPARATUS - A biopsy apparatus having a disposable cutting element and a reusable handpiece is disclosed. The disposable cutting element includes an inner cannula that defines an inner lumen and terminates in a cutting edge. The inner cannula is slidably disposed within an outer cannula that defines an outer lumen that has a tissue-receiving opening. The inner cannula is driven by a rotary motor and a reciprocating motor. Both motors are constructed of a MRI compatible material. | 11-29-2012 |
20130053726 | SURGICAL DEVICE AND METHOD OF USING SAME - A surgical system is disclosed. The surgical system comprises a housing, a surgical device and an adapter. The housing includes a distal end. The surgical device comprises, a cutting element extending from the housing at the distal end. The cutting element is selectively rotated and translated relative to a tissue biopsy area. The adapter is configured to selectively and detachably receive the surgical device. The adapter secures the surgical device thereto by at least one latching mechanism such that the surgical device is prevented from moving independently from the adapter. | 02-28-2013 |
20130197394 | VACUUM ASSISTED BIOPSY NEEDLE SET - A biopsy device having a cutting element is disclosed. The cutting element includes an inner cannula having a tissue receiving aperture disposed proximate a distal end thereof and an inner lumen. The inner cannula is slidably disposed within the inner lumen of an outer cannula. A vacuum chamber is disposed about at least a portion of the cutting element and is configured to create a vacuum in the cutting element during a biopsy procedure. The inner cannula is advanced distally outwardly and to cause the vacuum to be generated in the vacuum chamber. The vacuum is delivered to the cutting element whereby tissue is drawn into the tissue receiving aperture. The outer cannula is advanced distally outwardly after the inner cannula such that tissue drawn into the tissue cutting aperture is severed. | 08-01-2013 |
20130331732 | SURGICAL SYSTEM - A surgical device is disclosed that comprises a cutting element, a biopsy line, a motor line, and a vacuum line. The cutting element includes an outer cannula and an inner cannula. The biopsy line is operatively connected to a control console for moving the inner cannula within the outer cannula to cut tissue cores. The motor line is operatively connected to the control console for operating the surgical device. The vacuum line is operatively connected to the inner cannula. A selectively openable tissue filter is operatively connected to the inner cannula, and is also connected to the vacuum line. | 12-12-2013 |
20140012158 | BIOPSY APPARATUS - A disposable tissue removal device comprises a “tube within a tube” cutting element mounted to a handpiece. The inner cannula of the cutting element defines an inner lumen and terminates in an inwardly beveled, razor-sharp cutting edge. The inner cannula is driven by both a rotary motor and a reciprocating motor. At the end of its stroke, the inner cannula makes contact with the cutting board to completely sever the tissue. An aspiration vacuum is applied to the inner lumen to aspirate excised tissue through the inner cannula and into a collection trap that is removably mounted to the handpiece. The rotary and reciprocating motors are hydraulically powered through a foot pedal operated hydraulic circuit. The entire biopsy device is configured to be disposable. In one embodiment, the cutting element includes a cannula hub that can be connected to a fluid source, such as a valve-controlled saline bag. | 01-09-2014 |
20140257134 | BIOPSY APPARATUS - A disposable tissue removal device comprises a “tube within a tube” cutting element mounted to a handpiece. The inner cannula of the cutting element defines an inner lumen and terminates in an inwardly beveled, razor-sharp cutting edge. The inner cannula is driven by both a rotary motor and a reciprocating motor. At the end of its stroke, the inner cannula makes contact with the cutting board to completely sever the tissue. An aspiration vacuum is applied to the inner lumen to aspirate excised tissue through the inner cannula and into a collection trap that is removably mounted to the handpiece. The rotary and reciprocating motors are hydraulically powered through a foot pedal operated hydraulic circuit. The entire biopsy device is configured to be disposable. In one embodiment, the cutting element includes a cannula hub that can be connected to a fluid source, such as a valve-controlled saline bag. | 09-11-2014 |