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Body pierced by tubular cutter or rod-type punch

Subclass of:

600 - Surgery

600300000 - DIAGNOSTIC TESTING

600562000 - Sampling nonliquid body material (e.g., bone, muscle tissue, epithelial cells, etc.)

600564000 - Cutting

600565000 - Applying suction to sample

Patent class list (only not empty are listed)

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Entries
DocumentTitleDate
20130030322TISSUE COLLECTION SYSTEM - The present invention relates to a tissue collection system. The system includes an outer housing, a first cylindrical fenestrated member within and immovable relative to the outer housing, a second cylindrical fenestrated member defining an inner tissue collection chamber and being positioned within and rotatable relative to the first cylindrical fenestrated member, a plunger axially movable within the second fenestrated member, an elongate rod being connected to the plunger, and one or more stop units attached to the outer housing. The present invention also relates to methods for separating components of a tissue sample using a system according to the present invention.01-31-2013
20100081964REAL-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
20100076341CANNULA PROVIDED WITH A SEALING ELEMENT FOR USE IN A MEDICAL PROCEDURE - A cannula arrangement includes an outer tube and an inner tube. The outer tube has a proximal end and a distal end. The inner tube is disposed within the outer tube to define a space between an inner surface of the outer tube and an outer surface of the inner tube. A sealing element is mounted at the proximal end of the outer tube. The sealing element has a projecting portion that projects proximally from the proximal end of the outer tube. The projecting portion has a projecting end that has an interior edge to contact the outer surface of the inner tube.03-25-2010
20130079664BIOPSY 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
20100106055BIOPSY DEVICE HAVING A VACUUM PUMP - A biopsy device includes a housing. A drive is enclosed in the housing. A biopsy needle assembly has a biopsy needle carrier that carries a biopsy needle. The biopsy needle carrier is positioned in the housing. A vacuum pump is positioned in the housing. The vacuum pump has an elongate cylinder and a piston sealed and movable inside the elongate cylinder. The piston is drivably coupled to the drive. The elongate cylinder is connected to the biopsy needle to generate a vacuum in the biopsy needle when the piston is driven by the drive. The elongate cylinder and the biopsy needle are arranged in parallel by the housing.04-29-2010
20100106054PROBE TYPE DEVICE FOR REMOVING LIVING BODY TISSUE - There is provided a probe type living body tissue removing device comprising a probe unit having a probe formed in a capillary tube shape and an opening hole portion for internally aspirating a living body tissue, and also having a dissection device arranged within the probe and dissecting the living body tissue aspirated into the probe from the opening hole portion of the probe; wherein an aspiration force supplying device for supplying aspiration force to the probe unit, and a dissection driving source supplying device for supplying power or energy for fulfilling a function of the dissection device to the probe unit are connected to the probe unit; and the probe type living body tissue removing device dissects, and aspirates and removes the living body tissue by the dissecting means while the probe is inserted into the living body tissue and the living body tissue is aspirated through the opening hole portion; and a plurality of the opening hole portions of the probe are arranged.04-29-2010
20130046199DEVICES AND METHODS FOR CUTTING TISSUE - Various medical devices and methods for cutting and/or evacuating tissue are provided. The devices and methods may utilize a reciprocating mechanism or motor powered by suction from a vacuum source. The medical devices and methods may be used on tissue in various regions of a patient's body and for treating various conditions, e.g., for performing a polypectomy or discectomy.02-21-2013
20090318831ENDOSCOPE APPARATUS - An endoscope apparatus according to the present invention includes an insertion portion having a distal end portion and at least two channels; an optical observation system provided on one surface of the distal end portion so as to face an axial direction different from a direction of an insertion axis X of the insertion portion; a first channel opening provided on one surface of the distal end portion near the optical observation system; an ultrasound transducer array provided on the one surface of the distal end portion and having a scanning surface Z parallel to the insertion axis; and a second channel opening provided on a proximal end side of the ultrasound transducer array.12-24-2009
20130060160TISSUE AND FLUID SAMPLING DEVICE AND METHOD - A device and method for acquiring tissue or fluid. The device includes an instrument for acquiring tissue or fluid, and a pump. The instrument has a proximal end and a distal end at which the tissue or fluid is first acquired. The pump is connected to the proximal end of the instrument for applying negative pressure for drawing in the tissue or fluid. The pump has a switch for adjusting the amount of pressure. The method includes inserting an instrument into the site of the tissue or fluid to be acquired and exerting a controlled amount of adjustable negative pressure through the instrument to draw back into or onto the instrument the tissue or fluid being acquired.03-07-2013
20110015542MRI COMPATIBLE BIOPSY DEVICE WITH DETACHABLE PROBE - A biopsy device comprises a probe assembly and an obturator. The probe assembly comprises a cannula having a closed distal end configured to penetrate tissue, an open proximal end, a first lumen in fluid communication with the open proximal end, and a side aperture located proximal to the closed distal end. The side aperture is in fluid communication with the first lumen. The obturator is removably insertable in the first lumen through the open proximal end. The obturator is configured to substantially block the side aperture when the obturator is inserted in the first lumen. The probe assembly may be inserted in a patient's tissue (e.g., breast) with the obturator disposed in the cannula to block the side aperture. The obturator may then be removed, and a cutter may be advanced through the cannula to sever tissue protruding through the side aperture.01-20-2011
20120191007AUTOMATIC DEVICE FOR TRANSCUTANEOUS BIOPSY - A device for transcutaneous biopsy includes a casing consisting of a first half shell and a second half shell that are fixable to one another. Inside the casing there is defined a chamber into which slides a slide element to which a first cannula and a second cannula are connected. The second cannula is inserted inside the first cannula, both of them having a common longitudinal axis. The first cannula is provided with a locking element. The locking element, which is suitable for interacting with the second cannula, is provided with a pair of notches interacting with a pair of lamina elements with which the second cannula is provided.07-26-2012
20120191008MULTIFUNCTION ASPIRATION BIOPSY DEVICE AND METHODS OF USE - One embodiment of a multifunction aspiration biopsy device includes a hub having a chamber for receiving a collected specimen, a vacuum source in communication with the hub chamber, a needle detachable from the hub and having an outlet in communication with the hub chamber, and a cover extending over a portion of the needle outlet for directing a specimen collected through the needle into the hub chamber in a direction that differs from a longitudinal axis of the needle. The hub chamber with collected specimen may be separated from the vacuum source and the needle and the specimen may be triaged within the hub chamber. Various embodiments of a collection container for receiving used needles are also disclosed.07-26-2012
20090287114BIOPSY DEVICE - Aspects of the present invention are generally directed to a biopsy device configured to engage target tissue within a patient and to remove a sample of the target tissue from the patient. The biopsy device comprises an elongate catheter configured to be inserted into a patient. A coring component is disposed at the distal end of the catheter to sample the target tissue.11-19-2009
20130066231Biopsy Device with Sample Storage - A biopsy device includes a cannula and an inner divider wall disposed in the cannula. The inner divider wall defines a plurality of cannula fluid openings. The outer wall of the cannula and the inner divider wall together define a cutter receiving lumen and a cannula vacuum lumen. The cannula fluid openings provide fluid communication between the cutter receiving lumen and the cannula vacuum lumen. A cutter is translatable with respect to the cannula for severing tissue drawn into the cannula. The cutter is operable to cover and/or uncover the cannula fluid openings. A proximal portion of the cutter is spaced away from the inner divider wall. A distal portion of the cutter is configured to slide adjacent to the inner divider wall.03-14-2013
20110021946BIOPSY NEEDLE SYSTEM HAVING A PRESSURE GENERATING UNIT - A biopsy needle system includes a cylinder with an open end and a cylinder wall. A piston is inserted in the open end such that a cylinder interior volume is defined between the piston and the cylinder, the piston being movable in the cylinder. A biopsy needle is connected to the cylinder. A ventilation groove is established in the cylinder wall only to a depth of a portion of a thickness of the cylinder wall. The ventilation groove is positioned such that the cylinder interior volume of the cylinder communicates with the ambient atmosphere when the piston is displaced to a position in the cylinder so as to establish an airflow through the ventilation groove past the piston.01-27-2011
20120116246BIOPSY SAMPLE STORAGE - A biopsy device may be used to obtain and store multiple tissue samples. The device permits the tissue samples to be stored in a sequenced fashion within a generally transparent tissue storage chamber disposed at a proximal end of the biopsy device. The tissue samples can be stored on flexible tissue sample strips arranged around the circumference of a rotating vacuum manifold disposed within the chamber.05-10-2012
20120238905BIOPSY DEVICE AND INSERTABLE BIOPSY NEEDLE MODULE - A biopsy device includes a disposable unit including a needle carrier and a biopsy needle. The biopsy needle has a distal portion including a sample chamber and a hub portion located proximal to the sample chamber. The needle carrier has a holding portion. The holding portion and the hub portion are collectively configured to form a detent mechanism configured to permit the biopsy needle to rotate within needle carrier to rotationally position the sample chamber while restraining rotation of the biopsy needle at a series of rotational detent positions.09-20-2012
20110125055SURGICAL DEVICE FOR THE COLLECTION OF SOFT TISSUE - A biopsy device comprises a handpiece, a fluid collection system, and a power transmission source. The handpiece is configured for grasping by a single hand, and is independently manipulatable by hand for movement of the instrument toward and away from the patient. An elongated piercer extends from the distal end of the handpiece. The piercer has a sharpened distal end for entering the tissue and a port located proximal to the sharpened distal end for receiving a portion of tissue mass. An elongated cutter is disposed coaxially relative to a piercer lumen of the piercer. A distal blade of the cutter slides distally past the port of the piercer to sever the tissue portion drawn into the port by vacuum. The handpiece further comprises a holster for detachably connecting a cutter rotational transmission and a cutter axial transmission to the power transmission source.05-26-2011
20110282239Tissue Harvesting Device with Manual Dicing Mechanism - A dicing device dices tissue harvested from a patient. The dicing device comprises a grid cutting element and a tray to receive diced tissue. The dicing device may be integrated into an otherwise conventional biopsy device. The diced tissue specimens may be further processed, such as by being introduced into a self-expanding fistula plug creation and delivery system. The self-expanding fistula plug creation and delivery system comprises a sheet and a reinforcement tube. A scaffold material may be placed in the sheet, which may then be folded and reinforced, with the scaffold material being compressed in the sheet. The scaffold material may then be pushed into a catheter end. The catheter end may be inserted in a fistula. The scaffold material may then be flushed with a cell matrix that is based on the diced tissue to create a fistula plug, which may be left in the fistula.11-17-2011
20130023789LARGE SAMPLE LOW ASPECT RATIO BIOPSY NEEDLE - A high aspect ratio biopsy needle achieves reliable performance with large solid sample size by means of a variety of features and combinations thereof, including support to prevent bending, reinforcement of the needle, and cutting edges arranged to resist deformation.01-24-2013
20110282240MODIFIED BIOPSY DEVICE - A biopsy syringe for excising tissue from skin and hair comprising a syringe for numbing the area to be excised coupled to a sleeve mounted on said syringe with a blade attached to distal edge of said sleeve. Said sleeve is manually slidable from an extended position where the needle is hidden within to a retracted potion where the needle is exposed.11-17-2011
20110295150QUICK CYCLE BIOPSY SYSTEM - A method for extracting a tissue sample includes altering the pressure inside the lumen of a cannula to facilitate extraction of a tissue sample from the cannula. One aspect of the invention includes a biopsy apparatus comprising a valve for controlling the pressure inside the lumen of the cannula. In one variation, the pressure/vacuum generating device is connected to a cannula with a closed distal end and an orifice located on a circumferential surface of said cannula. A cutting sheath is slidably disposed over said cannula. The valve may be provided between the pressure/vacuum generating device and the cannula to control the pressure within the lumen of the cannula.12-01-2011
20110295149APPARATUS FOR SOLUBILIZING TISSUE - Tissue solubilizing apparatuses are provided. The apparatuses may be useful to solubilize tissue, including skin, mucosal membrane, and other tissue. The apparatuses may be further useful to preserve and recover analytes contained within the solubilized skin, mucosal membrane, and other tissue.12-01-2011
20090177115BIOPSY DEVICE AND METHOD FOR THE RECOVERY OF ORGANIC MATERIAL SAMPLED THEREWITH - A biopsy device (07-09-2009
20100030104DISPOSABLE AUTOMATED TISSUE EXCISION AND COLLECTION DEVICE - An biopsy apparatus includes a pressure and vacuum generator including a first cylinder and a first piston movably disposed within the cylinder. The cylinder has a pressure generating region and a vacuum generating region. The biopsy apparatus also includes an outer cannula and an inner cannula having a lumen. The inner cannula is movably disposed within the outer cannula, and the vacuum generating region is in one-way fluid communication with the inner cannula lumen.02-04-2010
20100268116SYRINGE WITH ROTATABLE ELEMENT, ASPIRATION SYSTEMS INCLUDING THE SYRINGE, AND ASSOCIATED METHODS - A syringe includes a barrel and a rotatable element on the barrel; for example at a proximal location along the length of the barrel. The rotatable element rotates at least partially around the barrel. When a handle is associated with the rotatable element, the barrel may rotate as the handle is held substantially stationary or the handle may be rotated while the barrel and any peripheral device secured thereto remain substantially stationary. When handles are associated with a rotatable element that may be removed from a barrel, a barrel that is disassembled from the rotatable element may be replaced with another barrel of the same or a different configuration. The barrel and plunger may be configured to cause the barrel to rotate as the plunger moves along the length of the barrel. Methods of using a syringe with a rotatable element on a barrel thereof are also disclosed.10-21-2010
20100292607TETHERLESS BIOPSY DEVICE WITH SELF-REVERSING CUTTER DRIVE MECHANISM - A biopsy device comprises a body, a needle, and a cutter. A self-reversing cutter translation mechanism translates the cutter proximally and distally in response to rotation of the cutter in a single rotational direction. The cutter translation mechanism comprises a lead screw with discretely formed threads and a rotatable pawl. The cutter is translated proximally when the pawl is in a first rotational orientation; and distally when the pawl is in a second rotational orientation. Resilient members cause the pawl to be rotated between the first and second rotational orientations when the cutter reaches a distal position and a proximal position. A vacuum draws severed tissue samples through the interior of the cutter to deposit the samples in a holder. The translation mechanism engages a valve mechanism to provide simultaneous venting to part of the needle and reversal of the pawl orientation when the cutter reaches a distal position.11-18-2010
20090204022Pneumatic Circuit and Biopsy Device - A pneumatic circuit and other components are provided for the operation of a medical device. The pneumatic circuit provides controlled pressurized air to a medical device for use during a medical procedure.08-13-2009
20090088663SURGICAL 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
20120035500Flexible Endoscopic Ultrasound Guided Biopsy Device - A needle for insertion into a living body along a tortuous path comprises an elongate body extending between a proximal end which, during use, remains external to the body and a distal end which, when in an operative configuration, is positioned adjacent to a target structure within the body, a distal portion of the needle including a lumen extending therethrough to a tissue receiving opening at the distal end, the lumen having an inner diameter of at least 0.035 inches and a bending stiffness no greater than 0.08 Nm02-09-2012
20110208086Biopsy Device with Auxiliary Vacuum Source - A biopsy system comprises a biopsy device, a fluid canister, and an auxiliary vacuum source. The biopsy device comprises a body, a needle, a hollow cutter, and a primary vacuum pump. The primary vacuum pump is operable to induce a vacuum in the lumen of the cutter. The fluid canister is configured to receive liquids communicated proximally through the cutter lumen. The auxiliary vacuum source is operable to induce a vacuum in the cutter lumen, thus supplementing the primary vacuum pump. The auxiliary vacuum source may be coupled directly with the fluid canister, such that the fluid canister is positioned along the fluid path between the auxiliary vacuum source and the biopsy device. The biopsy device may further include an integral tissue sample holder. The cutter lumen, the primary vacuum pump, the fluid canister, and the auxiliary vacuum source are all in fluid communication with the tissue sample holder.08-25-2011
20080312554Biopsy Device with Manually Rotated Sample Barrel - A biopsy device and method may be used to obtain a tissue sample, such as a breast tissue biopsy sample. The biopsy device includes an outer cannula having a distal piercing tip, a cutter lumen, and a cutter tube that is rotated by an integral motor and manually translated past a side aperture in the outer cannula to sever a tissue sample. A sample capturing structure (e.g., sample barrel) has a plurality of sample cavities (e.g., radially symmetric, revolver handgun orientation) that are manually aligned one at a time to capture one or more samples.12-18-2008
20100280407METHOD AND APPARATUS FOR TISSUE SAMPLING - A tissue sampling device (11-04-2010
20090137929QUICK CYCLE BIOPSY SYSTEM - A biopsy apparatus includes a cannula having a closed distal end. An orifice is located on a circumferential surface of the cannula. The orifice is configured to receive a tissue sample into a lumen of the cannula. A cutting sheath is slidably and coaxially disposed over the cannula. The cutting sheath is adapted to seal the opening of the orifice. A pressure generating device is connected to a proximal portion of the cannula for altering a pressure in the lumen of the cannula. A valve is positioned between the cannula and the pressure generating device for controlling a flow of a fluid between the lumen of the cannula and the pressure generating device.05-28-2009
20100268117BIOPSY 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
20090137928Biopsy 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
20090143698Biopsy Needle Assembly and a Device for Taking a Tissue Sample - A biopsy needle assembly as subject of the present invention for taking tissue sample comprises an outer cannula having a front with a cutting edge end and a back end; a hollow biopsy needle located inside and coaxially with the cannula, having an inner cavity. The front end if the needle is provided with a tissue receiving means cooperating with the cutting edge of cannula; an inner needle having located inside and coaxially with the hollow biopsy needle; a vacuum unit coupled to the hollow biopsy needle; the cannula and hollow biopsy needle being mutually axially moveable. The vacuum unit is adapted to create a lowered air pressure in the inner cavity when the front end of the hollow biopsy needle is axially moved away from the front end of the inner needle. The vacuum unit is located uniaxially with the cannula and hollow biopsy needle. The invention further relates to a device for taking a tissue sample by means of a biopsy needle assembly as subject of the present invention.06-04-2009
20090198149SURGICAL DEVICE FOR THE COLLECTION OF SOFT TISSUE - A handheld biopsy device is provided for the collection of soft tissue samples from a surgical patient. In a preferred embodiment, the biopsy device comprises a handpiece, a fluid collection system, and a power transmission source. The handpiece is configured for grasping by a single hand, and being independentyl manipulatable by hand for movement of the instrument toward and away from the patient. An elongated piercer extends from the distal end of the handpiece. The piercer has a sharpened distal end for entering the tissue and a port located proximal to the sharpened distal end for receiving a portion of tissue mass. An elongated cutter is disposed coaxially relative to a piercer lumen of the piercer. A distal blade of the cutter slides distally past the port of the piercer to severe the tissue portion drawn into the port by vacuum. The cutter is retracted to a most proximal position for removal of the tissue portion from a cutter lumen of the cutter. The handpiece further comprises a holster for detachably connecting a cutter rotational transmission and a cutter axial transmission to the power transmission source.08-06-2009
20090082696VACUUM 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
20120078133VACUUM 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
20090105609BIOPSY DEVICE WITH VARIABLE SPEED CUTTER ADVANCE - A biopsy device having a translating and rotating cutter is disclosed. The translational speed of the cutter is varied using a variable pitch member. The variable pitch member can include a shaft having a relatively coarse threaded portion for rapid cutter advance and a relatively finer threaded portion for cutter advance during tissue severing.04-23-2009
20110144532BIOPSY DEVICE WITH VACUUM ASSISTED BLEEDING CONTROL - A biopsy device and method are provided for obtaining a tissue sample, such as a breast tissue biopsy sample. The biopsy device includes a disposable probe assembly with an outer cannula having a distal piercing tip, a cutter lumen, and a cutter tube that rotates and translates past a side aperture in the outer cannula to sever a tissue sample. The biopsy device also includes a reusable hand piece with an integral motor and power source to make a convenient, untethered control for use with ultrasonic imaging. External vacuum holes along the outer cannula (probe) that communicate with a vacuum and cutter lumen withdraw bodily fluids while a hemostatic disk-shaped ring pad around the probe applies compression to an external hole in the skin and absorbs fluids.06-16-2011
20100160820Biopsy Device with Variable Side Aperture - A biopsy device and method are provided for obtaining a tissue sample, such as a breast tissue biopsy sample. The biopsy device may include an outer cannula having a distal piercing tip, a cutter lumen, a side tissue port communicating with the cutter lumen, and at least one fluid passageway disposed distally of the side tissue port. The inner cutter may be advanced in the cutter lumen past the side tissue port to sever a tissue sample. After the tissue sample is severed, and before the inner cutter is retracted proximally of the side tissue port, the cutter may be used to alternately cover and uncover the fluid passageway disposed distally of the side tissue.06-24-2010
20100152610Hand Actuated Tetherless Biopsy Device with Pistol Grip - A hand actuated biopsy device comprises a vacuum generation mechanism and a tissue cutting mechanism manually actuated by a trigger of the hand actuated biopsy device. Hand manipulation or actuation of the trigger is used to power a vacuum pump to generate vacuum and to power the tissue cutting mechanism. The hand actuated biopsy device has a tissue piercing needle with a tissue receiving aperture. A tissue cutter translates and rotates within the needle and is powered by actuations of the trigger. When the needle is placed into tissue and the trigger is actuated to power the vacuum pump and the tissue cutter, tissue is drawn into the tissue receiving aperture and severed by the hand powered cutter. A tissue collection chamber can be attached to the hand actuated biopsy device to receive severed tissue samples within.06-17-2010
20100160819Biopsy Device with Central Thumbwheel - A biopsy device comprises a probe and a holster. The probe has a distally extending needle and a central thumbwheel coupled with the needle. The needle has a transverse tissue receiving aperture. A cutter is translatable relative to the needle to sever tissue protruding through the aperture. The central thumbwheel is manually operable to rotate the needle to reorient the angular position of the aperture about the longitudinal axis defined by the needle. The central thumbwheel is positioned coaxially with the longitudinal axis. An elongate sleeve unitarily couples the needle with the central thumbwheel. A cable driven mechanism in the holster drives the cutter. A rotatable tissue sample holder is coupled with the probe, and has chambers configured to receive tissue samples communicated proximally through a lumen defined by the cutter. A piezoelectric motor in the holster drives the tissue sample holder.06-24-2010
20100262037BIOPSY 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
20090171242CLUTCH AND VALVING SYSTEM FOR TETHERLESS BIOPSY DEVICE - A biopsy device may include a needle, a cutter, and a handpiece. A vacuum pump may be provided in the handpiece for providing a vacuum to the needle and/or to the cutter. A motor may be provided in the handpiece to drive the vacuum pump and/or the cutter. A biopsy device may also include a valving mechanism within the handpiece for selectively communicating a vacuum and/or atmospheric air to the needle. A clutching mechanism may selectively provide communication between a motor and the cutter. Portions of a valving mechanism and a clutching mechanism may be integrally formed. A clutching and valving mechanism may be driven by a first motor; and a cutter and vacuum pump by a second motor. A biopsy device may include batteries for powering motors. A biopsy device may thus provide vacuum and power from within a handpiece, such that the biopsy device is tetherless.07-02-2009
20100152612ENDOSCOPES HAVING MULTIPLE LUMENS FOR TISSUE ACQUISITION AND REMOVAL AND RELATED METHODS OF USE - Embodiments of the invention include an endoscope including multiple lumens for tissue acquisition and removal and related methods of use.06-17-2010
20100152613CLIP FOR HANDLING AN ENDOSCOPIC DEVICE - A device for storing a stylet comprises a stylet sized and shaped for insertion into a lumen of a needle and an end cap selectively coupleable to a proximal end of a needle, the end cap being coupled to a proximal end of the stylet so that, when the end cap is coupled to the needle, the stylet extends from the end cap through the lumen of the needle, the end cap including a clip mechanism for gripping a distal end of the stylet when the end cap is decoupled from the needle, the clip mechanism including a space through which the distal end of the stylet may pass substantially parallel to the proximal end thereof.06-17-2010
20100152609SPECIMEN RETRIEVAL DEVICE - A surgical instrument can be used to capture and retrieve tissue, or other specimens, from within the body of a patient through a single trocar port. The surgical instrument can include a grasper, wherein the grasper can be configured to capture a specimen, and a specimen retrieval bag, wherein the specimen retrieval bag can be configured to at least partially surround, or encapsulate, the captured specimen when the specimen retrieval bag is in a deployed position. In certain embodiments, the retrieval bag can be inverted as it is moved between undeployed and deployed positions. In various embodiments, the surgical instrument can further include a snare operably engaged with the specimen retrieval bag, wherein the snare can be configured to at least partially close the bag. A vacuum can be placed in communication with the bag to reduce the size of the bag before it is removed from the surgical site.06-17-2010
20100152611Hand Actuated Tetherless Biopsy Device with Scissors Grip - A biopsy device includes a body having a cannula, a cutter positioned at least partly within the cannula, a tissue collection chamber, and a vacuum source. In one example, the biopsy device includes a cutter loader for rotating the cutter into a loaded position (e.g., open position). A trigger is engaged with a portion of the cutter loader and may be activated to allow the cutter to rotate back to a closed position. During this rotation, the cutter severs a tissue sample, which may thereafter be drawn through the cutter lumen into the tissue collection chamber under the influence of a vacuum created by the vacuum source. The vacuum source includes a piston configured to be operated by squeezing a scissors grip. A user may apply a single stroke or successive strokes to the piston to produce the vacuum.06-17-2010
20110245715BIOPSY 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
20110130679ALL-IN-ONE OPTICAL MICROSCOPIC HANDLE - The present invention discloses an all-in-one fine needle aspiration means (FNA) for precision guidance and improved control of needle for ease of insertion, manipulation and efficient extraction of sample and a method thereof. Said FNA comprises means selected from a mechanically or electronically stabilized effecter; a mechanical or automated needle insertion and manipulation mechanism; optical means; a mechanical or automated vacuum or suction mechanism; and a biopsy collection receptacle.06-02-2011
20110125054DEVICE, SYSTEM AND METHOD FOR MULTIPLE CORE BIOPSY - A core biopsy device having a forward-facing cutting edge with either single or dual counter rotating blades is configured to acquire multiple biopsy specimens and temporarily store them within a specimen chamber located beneath the cutting edge. The core biopsy device is insertable and removable from a biopsy channel of an endoscope. The core biopsy device includes an endoscopically visible ruler with depth gauge increments. Other embodiments include deployable depth stops to restrain the plunging of the specimen chamber to not exceed distances preset or selected by the user. Multiple samples contained within the specimen chamber are removed via flushing from a syringe adapter when the device is removed from the endoscope. Alternatively the multiple specimens are removed under applied suction to an external chamber located outside the patient. The order and orientation of the removed specimens are preserved.05-26-2011
20120245485BIOPSY DEVICE WITH TRANSLATING VALVE MEMBER - A biopsy device includes a needle extending distally from a body. The needle includes a transverse aperture, a first lumen, and a second lumen. A cutter is movable within the first lumen to sever tissue protruding through the transverse aperture. A valve assembly is operable to change the pneumatic state of the second lumen. The valve assembly includes a valve body and a translating member slidably disposed in a bore of the valve body. The valve body includes a first port and a second port. The first port is in fluid communication with the second lumen of the needle. The second port is in fluid communication with atmospheric air. The translating member selectively couples the first port with the second port based on the longitudinal position of the translating member within the bore. The translating member translates relative to the valve body based on the position of the cutter.09-27-2012
20110071429EUS-FNA Stylet Withdrawal into Handle - A medical device comprises a needle configured for insertion into a body and defining a needle lumen extending therethrough from a proximal end opening to a distal end opening and a handle connected to a proximal end of the needle and including a stylet receiving lumen therein, the stylet receiving lumen being open to a proximal end of the needle lumen. The medical device also comprises a stylet movable between a retracted configuration in which a distal end of the stylet is received within the stylet receiving chamber and an extended configuration in which the distal end of the stylet is received within the distal opening of the needle lumen sealing the distal opening, wherein, when withdrawn proximally into the stylet receiving lumen, the stylet is coiled within the chamber.03-24-2011
20120302913BIOPSY 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
20120203135BIOPSY NEEDLE SYSTEM HAVING A PRESSURE GENERATING UNIT - A biopsy needle system includes a cylinder with a fluid connection end, an open end and a cylinder wall. A piston is coupled to a threaded spindle shaft. The threaded spindle shaft is configured to extend from the piston and through the open end of the cylinder. The piston is inserted in the open end such that a cylinder interior volume is defined between the piston and the fluid connection end. A spindle nut is mounted to the open end of the cylinder. The spindle nut is threadably engaged with the threaded spindle shaft and configured to displace the piston via a linear translation of the threaded spindle shaft when the spindle nut is rotated. A biopsy needle is connected in fluid communication with the fluid connection end of the cylinder.08-09-2012
20120203136CUTTER DRIVE ASSEMBLY FOR BIOPSY DEVICE - A biopsy device comprises a body, a needle, and a cutter actuation mechanism. The needle extends distally from the body. The cutter actuation mechanism rotates and translates the cutter relative to the body and relative to the needle. The cutter has an overmold presenting a lead screw and a hex portion. The cutter actuation mechanism comprises a first gear disposed about the hex portion of the overmold and a second gear engaged with the lead screw of the overmold by a nut that is integral with the second gear. The cutter actuation mechanism is operable to simultaneously rotate the first gear relative to the body at a first rotational speed and the second gear relative to the body at a second rotational speed. With the lead screw and the nut rotating at different rotational speeds, the lead screw rotates relative to the nut at a third rotational speed.08-09-2012
20110257557Tissue Extraction and Collection Device - Methods and device for extracting and collecting tissue, which can be used for example in tissue engineering and grafting applications, are disclosed. In one embodiment, a device can include an outer tube. A rotatable shaft can be disposed within the outer tube can have a tissue harvesting tip formed on its distal end, the tissue harvesting tip being effective to excise tissue upon rotation thereof. A tissue collection device can be included to receive and collected excised tissue, and the tissue collection device can indicate the amount of tissue collected therein. For example, the tissue collection device can include a straining element which collects excised tissue and an indicator by which to assess the amount of collected tissue. In some embodiments, the tissue collection device can translate to indicate the amount of collected tissue. In many cases, devices disclosed herein can include driving mechanisms that are adapted to drive a tissue harvesting tip such that the tip excises soft tissue, but stops when contacting bone (or soon after contacting bone). In some embodiments, the tissue harvesting tip can be effective to excise viable tissue samples, such that the samples can exhibit desirable proportions of viable cells. Further, in some embodiments, the tissue harvesting tips can excise a tissue sample with tissue particles falling in certain size ranges.10-20-2011
20100324447Needle for Living Body, Tissue-Sampling Device and Process for Sampling Tissue - This invention provides a needle for a living body and a process for sampling a tissue with the needle. The needle and the process are used for harvesting a tissue sample from a living body with minimal damage. The needle is made of ceramics, and is provided with a sampling hole for aspirating a sample and with a cooling hole for supplying cooling gas. The holes penetrate through in the longitudinal direction, and have openings on a pricking-end surface of the needle. For the purpose of cutting off the tissue sample, the pricking-end surface is provided with a cutting part positioned between the openings. When the needle is pricked into a body, a tissue is aspirated through the sampling hole while cooling gas is being supplied through the cooling hole. Thus, the tissue is partly frozen or semi-frozen and cut off with the cutting part to harvest by aspiration.12-23-2010
20090171243Vacuum Sensor And Pressure Pump For Tetherless Biopsy Device - A biopsy device may include a needle, a cutter, and a handpiece. A vacuum pump in the handpiece may provide a vacuum to the needle and/or to the cutter. A pressure pump in the handpiece may also provide pressurized air to the needle and/or to the cutter. A motor in the handpiece may drive the vacuum pump, the pressure pump, and/or the cutter. A vacuum sensor may sense a vacuum level within the biopsy device, and cause initiation of operational cycles in response to sensed vacuum levels. Portions of a valving mechanism and a clutching mechanism may be integrally formed. A clutching and valving mechanism may be driven by a first battery-powered motor; and a cutter, pressure pump, and vacuum pump by a second battery-powered motor. A biopsy device may thus provide vacuum, pressurized air, and power from within a handpiece, such that the biopsy device is tetherless.07-02-2009
20110071428BIOPSY DEVICE - Biopsy devices which can be used with a flexible endoscope are described herein. Inventive biopsy devices can be used in minimally invasive procedures and other biopsy applications. Inventive biopsy devices can be used through an endoscope channel to perform zero invasive biopsies on the gastrointestinal system and other organs. Actuation devices for use to twist or manipulate the biopsy device even when it is at the end of the endoscopic cable are provided according to embodiments of the present invention.03-24-2011
20110190660Biopsy Devices - Tissue biopsy devices having improved safety, adaptability, and firing power and speed.08-04-2011
20120150069TISSUE SAMPLING, COLLECTION, AND PROCESSING SYSTEM - A tissue sampling, collection, and processing system including a hand-supportable power-assisted tissue aspiration device having a cannula for aspirating fat tissue from a patient's body, and a multi-pack tissue sampling, processing and collecting device, installed between the tissue aspiration device and a vacuum source, and containing multiple tissue collection tubes for collection of aspirated fat tissue samples.06-14-2012
20110152715BIOPSY NEEDLE WITH VACUUM ASSIST - A surgical cutting device comprises a cannula attached to an actuation mechanism that moves the cannula from a cocked position to a cutting position, a stylet including a distal portion having a sharp distal end, a sample collection region, a vacuum port, and a lumen extending from the vacuum port to the sample collection region such that the sample collection region is in fluid communication with the first vacuum port. When the cannula is in the cocked position, the sample collection region of the stylet is disposed distal of the cannula. The device also includes a fixed volume vacuum source. When cannula is in the cocked position, the vacuum port is not in fluid communication with the fixed volume vacuum source, and when said cannula is in the cutting position, the vacuum port is in fluid communication with the fixed volume vacuum source.06-23-2011
20110021945REMOTE THUMBWHEEL FOR A SURGICAL BIOPSY DEVICE - The present application is directed to an image-guided, vacuum assisted, percutaneous, coring, cable driven breast biopsy instrument which may be conveniently mounted to an x-ray machine wherein the biopsy instrument incorporates a rotation knob at the proximal end of the instrument to manually rotate the distal end of the probe, thus allowing the clinician to conveniently position the tissue port next to the tissue to be sampled.01-27-2011
20110098596Practical and Safe Needle Biopsy Device - The invention relates to incision biopsy of the tissue that is collected in the tissue aspiration reservoir (04-28-2011
20120010527FULL CORE BIOPSY DEVICE - A biopsy device includes coaxially disposed inner and outer needles in which the outer needle tip is configured for obtaining a tissue sample. The inner surface of the outer needle includes a tissue retention feature which may include a countersink and/or a feature formed in the inner surface. The device may be configured such that the inner needle does not extend past a certain point within the outer needle.01-12-2012
20120310109Self-contained Handheld Biopsy Needle - A self-contained hand-held biopsy needle has various features relating to automated sampling and recovery. Among the disclosed features are ones suited to fully-disposable single-use automatic biopsy devices, such as light weight, low cost, and simple design.12-06-2012
20120016262VACUUM SENSOR AND PRESSURE PUMP FOR TETHERLESS BIOPSY DEVICE - A biopsy device may include a needle, a cutter, and a handpiece. A vacuum pump in the handpiece may provide a vacuum to the needle and/or to the cutter. A pressure pump in the handpiece may also provide pressurized air to the needle and/or to the cutter. A motor in the handpiece may drive the vacuum pump, the pressure pump, and/or the cutter. A vacuum sensor may sense a vacuum level within the biopsy device, and cause initiation of operational cycles in response to sensed vacuum levels. Portions of a valving mechanism and a clutching mechanism may be integrally formed. A clutching and valving mechanism may be driven by a first battery-powered motor; and a cutter, pressure pump, and vacuum pump by a second battery-powered motor. A biopsy device may thus provide vacuum, pressurized air, and power from within a handpiece, such that the biopsy device is tetherless.01-19-2012
20120059276Biopsy 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
20110092851Pneumatic Medical Device - A pneumatic circuit and other components are provided for the operation of a medical device. The pneumatic circuit provides controlled pressurized air to a medical device for use during a medical procedure.04-21-2011
20120157879SYSTEM AND METHOD OF TAKING AND COLLECTING TISSUE CORES FOR TREATMENT - A tissue cutting device that is especially suited for neurosurgical applications is disclosed and described, as well as alternative systems for tissue preservation and transport. The cutting device includes an outer cannula in which a reciprocating inner cannula is disposed. A tissue collector is also provided and is in fluid communication with the lumen of the inner cannula. A temperature control sleeve may be disposed around the tissue collector to control the temperature of the tissue samples. A preservation system may be supplied that is configured to deliver fluids to tissue samples in the tissue collector. A fluid supply sleeve may be disposed about the outer cannula and is selectively positionable along the length of the outer cannula.06-21-2012
20110066074Filter for Fine Needle Biopsy - A biopsy needle comprises a first lumen open to a tissue penetrating distal tip of the needle for receiving a tissue sample therein and a second lumen in combination with a filter separating the first and second lumens from one another, the filter being configured to permit fluids to pass therethrough while preventing the sampled tissue from passing therethrough.03-17-2011
20110105944BIOPSY TISSUE SAMPLING TREATMENT INSTRUMENT - A biopsy tissue sampling treatment instrument includes a stem portion having a predetermined length sufficient to puncture living tissue; a puncturing portion formed at a distal end of the stem portion and having a protruding surface portion expanding rearward along a puncture direction of the stem portion; a tissue holding surface provided on a rear side of the protruding surface portion in the puncturing portion and having an area large enough to hold the living tissue; a stopper member provided at a rear end of the stem portion and having an abutting portion capable of abutting against the living tissue punctured by the stem portion; and an operating member provided on the stopper member and configured to hold the stem portion to the living tissue, allowing the stem portion to puncture the living tissue. Consequently, the biopsy tissue sampling treatment instrument increases holding capacity for the living tissue to be extracted, allows living tissue to be extracted in sufficient sampling quantities, and makes it easy to take samples of living tissue at an intended depth in tissue.05-05-2011
20090131821Graphical User Interface For Biopsy System Control Module - A biopsy system includes a vacuum control module, a cannula with a transverse opening, a cutter within the cannula, and a rotatable tissue sample holder. The vacuum control module includes a speaker, a vacuum source, and a graphical user interface for controlling the biopsy system. The graphical user interface includes a display and capacitive switches that serve as buttons. The graphical user interface is operable to perform, e.g., the following functions: varying the position of the cutter relative to the transverse opening, activating a view sample mode, resetting the position of the rotatable tissue sample holder, activating a maintenance vacuum pulse mode, varying the level of vacuum provided by the source of vacuum, varying the level of volume of sounds emitted by the speaker, selectively placing the biopsy system in a standby mode, and selectively shutting the biopsy system down.05-21-2009
20090131820Icon-Based User Interface On Biopsy System Control Module - A vacuum control module for use in a biopsy system includes a user interface that presents buttons and icons to control operation of a biopsy device. The icons may indicate, e.g., the position of a cutter relative to a transverse opening, whether the system is in a view sample mode, that an adjacent button is operable to reset the position of a rotatable tissue sample holder, whether the system is in a maintenance vacuum pulse mode, the level of vacuum provided by a vacuum source, the volume level of a speaker, that an adjacent button is operable to place the system in a standby mode, and that an adjacent button is operable to shut down the system. The icons may each have an associated button. The icons may be allocated among separate pages (e.g., a probe page and a system page). Another button may be used to switch between pages.05-21-2009
20120215129SURGICAL DEVICE FOR THE COLLECTION OF SOFT TISSUE - A biopsy device comprises a handpiece, a fluid collection system, and a power transmission source. The handpiece is configured for grasping by a single hand, and is independently manipulatable by hand for movement of the instrument toward and away from the patient. An elongated piercer extends from the distal end of the handpiece. The piercer has a sharpened distal end for entering the tissue and a port located proximal to the sharpened distal end for receiving a portion of tissue mass. An elongated cutter is disposed coaxially relative to a piercer lumen of the piercer. A distal blade of the cutter slides distally past the port of the piercer to sever the tissue portion drawn into the port by vacuum. The handpiece further comprises a holster for detachably connecting a cutter rotational transmission and a cutter axial transmission to the power transmission source.08-23-2012
20110184312Bone Tissue Extracting Device and Method - A bone tissue extracting device operable with one hand comprises an ergonomic handle containing a forward and reverse cannula driver and a vacuum source. The device uses a disposable sterile single use cannula/trocar and disposable vacuum containers. The device and method for use improve the ability of a physician to locate accurately the target tissue in a patient, increase the probability that one or more suitable samples will be recovered from the patient at a single attempt, decrease attendant tissue trauma and patient discomfort, and decrease the chance of infection.07-28-2011
20100049086Biopsy Device - A biopsy device such as a core sampling biopsy device compatible with use in a Magnetic Resonance Imaging (MRI) environment by being driven by either a pneumatic rotary motor or a piezoelectric drive motor is disclosed. The core sampling biopsy device obtains a tissue sample, such as a breast tissue biopsy sample, for diagnostic or therapeutic purposes. The biopsy device may include an outer cannula having a distal piercing tip, a cutter lumen, a side tissue port communicating with the cutter lumen, and at least one fluid passageway disposed distally of the side tissue port. The inner cutter may be advanced in the cutter lumen past the side tissue port to sever a tissue sample.02-25-2010
20100298736Biopsy Needle Assemblies - This document provides needle biopsy systems and methods for obtaining tissue biopsies. In various embodiments, the systems and methods provided can inhibit needle contamination by unwanted tissue or cells and/or regulate a negative pressure to assist sampling of target tissue or cells.11-25-2010
20120253225ASPIRATION BIOPSY APPARATUS AND METHOD - An aspiration apparatus includes a barrel having a needle receiving end and a piston receiving end. The barrel has an inner diameter and an outer diameter. The piston receiving end of the barrel has substantially the same inner diameter as the inner diameter of the barrel. The barrel has an opening therein through a sidewall of the barrel. The opening is between the needle receiving end and the piston receiving end. The opening is distant from the needle receiving end. The aspiration apparatus also includes a needle sealingly attached to the needle receiving end of the barrel, and a piston having an end which substantially seals to the inner diameter of the barrel. The piston is capable of a number of positions including a first position near the needle receiving end, a third position past the opening in the barrel.10-04-2012
20120316464BIOPSY DEVICE WITH VARIABLE SIDE APERTURE - A biopsy device and method are provided for obtaining a tissue sample, such as a breast tissue biopsy sample. The biopsy device may include an outer cannula having a distal piercing tip, a cutter lumen, a side tissue port communicating with the cutter lumen, and at least one fluid passageway disposed distally of the side tissue port. The inner cutter may be advanced in the cutter lumen past the side tissue port to sever a tissue sample. After the tissue sample is severed, and before the inner cutter is retracted proximally of the side tissue port, the cutter may be used to alternately cover and uncover the fluid passageway disposed distally of the side tissue.12-13-2012
20080300506BIOPSY DEVICE WITH MULTIPLE CUTTERS - A tissue sampling device comprises an elongated tube having a distal end with at least two apertures. The device further comprises at least two cutters disposed within the elongated tube, wherein each cutter is configured to be independently displaced longitudinally within the elongated tube and across a respective one of the apertures to sever tissue prolapsed within the respective aperture. A method comprises inserting the device in tissue. The method further comprises receiving a first prolapsed portion of the tissue into the first aperture, longitudinally displacing the first cutter across the first aperture to sever the first prolapsed tissue portion within the first aperture, receiving a second prolapsed portion of the tissue into the second aperture, and longitudinally displacing the second cutter independently from the first cutter across the second aperture to sever the second prolapsed tissue portion within the second aperture.12-04-2008
20110004119SURGICAL 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
20110046512Flared Needle for EUS Fine Needle Aspiration Device - A device for gathering tissue samples includes a needle defining a distal tissue penetrating tip. The needle includes an increased diameter proximal portion extending proximally from the distal tip. An outer diameter of the distal tip is smaller than an outer diameter of the proximal portion. The needle defines a lumen extending therethrough from a distal opening in the distal tip thereof to a proximal opening at a proximal end thereof. The lumen includes a distal portion having a first inner diameter and a proximal portion having a second diameter greater than the first diameter. The device also includes a stylet slidably received within the lumen. An outer diameter of a distal portion of the stylet is substantially equal to the inner diameter of the distal portion of the lumen so that, when the stylet is in an extended position extending to the distal opening of the lumen, the lumen is substantially sealed thereby, and when, in a retracted position in which a distal end of the stylet is received within the proximal portion of the lumen, an annular space surrounding the stylet defines an aspiration path for samples exiting the distal portion of the lumen.02-24-2011
20120323140SINGLE-INSERTION, MULTIPLE SAMPLE BIOPSY DEVICE WITH INTEGRATED MARKERS - The present invention provides for exemplary embodiments of a single-insertion, multiple sample biopsy device. Exemplary embodiments of a single-insertion, multiple sampling device with integrated marker release.12-20-2012
20100228146Biopsy Device With Integral vacuum Assist And Tissue Sample And Fluid Capturing Canister - A biopsy device is provided for obtaining a tissue sample, such as a breast tissue biopsy sample. The biopsy device includes a disposable probe assembly with an outer cannula having a distal piercing tip, a cutter lumen, and a cutter tube that rotates and translates past a side aperture in the outer cannula to sever a tissue sample. The biopsy device also includes a reusable handpiece with an integral motor and power source to make a convenient, untethered control for use with ultrasonic imaging. The reusable handpiece incorporates a probe oscillation mode to assist when inserting the distal piercing tip into tissue. An integral vacuum motor assists prolapsing tissue for effective severing as well as facilitating withdrawal of the tissue samples and bodily fluids from the biopsy site into a detachable, self-contained canister for transporting the separated biopsy samples and fluid for pathology assessment, avoiding biohazards in a clinical setting.09-09-2010
20100234760Self-contained Handheld Biopsy Needle - A self-contained hand-held biopsy needle has various features relating to automated sampling and recovery. Among the disclosed features are ones suited to fully-disposable single-use automatic biopsy devices, such as light weight, low cost, and simple design.09-16-2010
20120277624METHOD OF COLLECTING AND IN SITU PROCESSING OF ASPIRATED FAT TISSUE SAMPLED FROM A HUMAN PATIENT DURING TISSUE ASPIRATION OPERATIONS - A method of collecting and in situ processing of aspirated fat tissue sampled from a human patient. The method involves providing a surgeon with a powered-assisted hand-held fat tissue aspiration instrument having a cannula, and a fat tissue sampling, processing and collection device installed between the power-assisted fat aspiration instrument and a vacuum source. The fat tissue sampling, collection and processing device includes a suction plate, mounted within a collection chamber, and having multiple hollow projections for supporting the open proximal ends of a plurality of tissue collection and processing tubes, wherein each tissue collection and processing tube has micro-pores formed in the side walls thereof, and its distal end opening is capped. Aspirated fat tissue is collected in a selected tissue collection and processing tube, while allowing fluid to flow and filter through the micro-pores as aspirated fat tissue flows through the cannula of the fat aspiration instrument.11-01-2012
20120330185SINGLE-INSERTION, MULTIPLE SAMPLING BIOPSY DEVICE USABLE WITH VARIOUS TRANSPORT SYSTEMS AND INTEGRATED MARKERS - A biopsy device includes a biopsy sample extraction needle with a sample extraction end and a recovery end. A transport channel links the extraction end and recovery end. A pump is provided, and a multi-way valve is coupled in fluid communication with the biopsy sample extraction needle and the pump. The multi-way valve has a plurality of settings.12-27-2012
20120289861BIOPSY DEVICE WITH STRAINER - The present application is directed to an image-guided, vacuum assisted, percutaneous, coring, cable driven breast biopsy instrument which may be conveniently mounted to an x-ray machine wherein the biopsy instrument incorporates a rotation knob at the proximal end of the instrument to manually rotate the distal end of the probe, thus allowing the clinician to conveniently position the tissue port next to the tissue to be sampled.11-15-2012
20120136277Bone Marrow Aspiration Needle - A bone marrow aspiration assembly including an outer cannula assembly, an inner cannula assembly, and a flexible seal. The outer cannula assembly includes an outer handle and an outer cannula defining a first passageway and including a plurality of first openings between a first end and a second end of the first passageway. The inner cannula assembly includes an inner handle and an inner cannula defining a second passageway and is configured to be received within the first passageway. The inner cannula includes a plurality of second openings between a first end and a second end of the second passageway. The flexible seal is mounted to the inner handle and positioned such that the seal contacts the outer cannula assembly when the inner cannula assembly is in cooperation with the outer cannula assembly to create a substantially airtight seal therebetween.05-31-2012
20120150068IN-LINE FAT TISSUE SAMPLING, PROCESSING AND COLLECTION DEVICE - A tissue sampling, processing and collection device for connection in-line to a hand-held power-assisted tissue aspiration instrument and a vacuum source. The tissue sampling, processing and collection device includes a suction plate, mounted within a collection chamber, and having multiple hollow projections for supporting the open proximal ends of a plurality of tissue collection and processing tubes. Each of these tissue collection and processing tubes has micro-pores formed in the side walls thereof and its distal end opening is capped, thereby allowing fluid to flow and filter therethrough while the tissue collection and processing tube is mounted on the suction plate during tissue aspiration operations. The in-line tissue sampling, processing and collection device is provided with a knob for manually selecting the tissue collection and processing tube, into which a sampled of aspirated fat tissue to is be collected and processed in situ during tissue aspiration operations.06-14-2012
20110160611METHODS AND DEVICES FOR BIOPSY AND COLLECTION OF SOFT TISSUE - A biopsy device may include a housing and a disposable biopsy assembly releasably received in the housing. The disposable biopsy assembly may include a cutter coaxially disposed with respect to a needle, and a plurality of gears may be engaged when the disposable biopsy sample is inserted in the housing. A tissue sample holder may be disposed within housing.06-30-2011
20110160610SURGICAL BIOPSY SYSTEM WITH REMOTE CONTROL FOR SELECTING AN OPERATIONAL MODE - A surgical biopsy system is provided for removing at least one tissue sample from a surgical patient. The surgical biopsy system comprises an elongated, hollow piercer and a cutter rotatably and axially positionable relative to the piercer. The piercer has a lateral port for receiving the tissue sample into the piercer. The surgical biopsy system further comprises a power transmission source operatively connected to the cutter for rotating and translating the cutter, a control unit, and a display mounted in a display frame for showing an operator a plurality of operational modes of the surgical biopsy system. The surgical biopsy system further comprises at least one control button operatively connected to the control unit by a circuit and remotely located from the control unit. The operator may actuate the control button(s) to select any one of the operational modes and the selected operational mode is visually identifiable on the display.06-30-2011
20080243031CATHETER WITH IMAGING CAPABILITY ACTS AS GUIDEWIRE FOR CANNULA TOOLS - A catheter having an imaging device on its distal end serves as a guidewire for cannula tools, enabling the tools to be advanced to a desired site in a patient's body. One exemplary embodiment of such a catheter is a scanning fiber endoscope. The images facilitate navigation through linked body lumens and also enable an operator to view a site where a biopsy sample is to be taken with a cannula tool. Exemplary cannula tools include bristles or sharp points that scrub cells from adjacent tissue, a biopsy needle that can be thrust into tissue, a loop that cuts away tissue, a cutting edge that slices tissue from a site, and forceps. The sample can be carried by a bodily or introduced fluid to a proximal end of the catheter through an annular gap between the catheter and the cannula tool, or the cannula tool can retain the sample.10-02-2008
20080243030MULTIFUNCTION CANNULA TOOLS - Different exemplary embodiments of cannula tools each perform multiple functions. Each cannula tool is able to dislodge or cut away a biopsy sample from a desired site within a patient's body, and then collect the sample. The cannula tool, which is disposed at the distal end of an elongate flexible tube is guided to the desired site over a guide wire. The cannula tool either abrades cells from adjacent tissue with an abrasive surface, or cuts away a sample of tissue with a sharpened cutting edge or with a loop that is electrically heated or pulled to snare the sample. The biopsy sample is then drawn with a bodily fluid or introduced fluid through an annulus formed between the guide wire and the inner surface of the elongate flexible tube or through a lumen, for collection at the proximal end of the elongate flexible tube.10-02-2008
20130204160SYSTEM, METHOD AND APPARATUS FOR HARVESTING BONE MARROW - Embodiments of a system, method and apparatus for harvesting bone marrow are disclosed.08-08-2013
20080221481VACUUM ASSISTED BIOPSY NEEDLE SET - A needle set for a biopsy device is disclosed. The needle set includes an outer member, a cylinder lumen within said outer member, an inner member having a cannula and an inner lumen. The inner member is slidably disposed within the cylinder lumen. The biopsy device also includes a cylinder seal member that is disposed within the cylinder lumen and a cannula seal member attached to the outer surface of the cannula. The cylinder seal member and the cannula seal member define a vacuum chamber therebetween.09-11-2008
20080221480Biopsy Sample Storage - A biopsy device may be used to obtain and store multiple tissue samples. The device permits the tissue samples to be stored in a sequenced fashion within a generally transparent tissue storage chamber disposed at a proximal end of the biopsy device. The tissue samples can be stored on flexible tissue sample strips arranged around the circumference of a rotating vacuum manifold disposed within the chamber.09-11-2008
20120253226BIOPSY DEVICE WITH CENTRAL THUMBWHEEL - A biopsy device comprises a probe and a holster. The probe has a distally extending needle including a transverse tissue receiving aperture. A cutter is translatable relative to the needle to sever tissue protruding through the aperture. A thumbwheel is manually operable to rotate the needle to reorient the angular position of the aperture about the longitudinal axis defined by the needle. The thumbwheel is positioned obliquely with the longitudinal axis. A cable driven mechanism in the holster drives the cutter. A rotatable tissue sample holder is coupled with the probe, and has chambers configured to receive tissue samples communicated proximally through a lumen defined by the cutter. A piezoelectric motor in the holster drives the tissue sample holder.10-04-2012
20130172777PEN TYPE DEVICE FOR ULTRASOUND GUIDED FINE NEEDLE ASPIRATION CYTOLOGY AND BIOPSY - A pen type device for ultrasound guided fine needle aspiration cytology and biopsy comprises a hollow body having a needle hole, a sliding part slidably mounted inside the body, elastic members mounted inside the body, a syringe having a cylinder mounted, a rotating part disposed inside the sliding part and the body, a head screw-coupled to the rear end of the sliding part and drawn out from the body, and a negative pressure generating part mounted on the body to generate negative pressure to the syringe by pulling a piston of the syringe when a button located on the outer face of the body is pushed.07-04-2013
20130102924APPARATUS FOR INTRODUCING INTRAOSSEOUS PORTALS - Apparatus are disclosed for intraosseous fluid infusion or aspiration of bone marrow of a subject. Particular apparatus include a bone portal (bone-penetrating member) comprising axially-aligned distal and proximal sections. The proximal section extends in a distal direction from a proximate end of the bone portal and the distal section extends in the distal direction from the proximate section to a distal end of the bone portal. The bone portal also comprises a fluid-transport bore extending between a proximal opening in the proximal section and a distal opening in the distal section. At least a portion of the distal section has a cross-sectional area, perimeter, diameter and/or dimension greater than that of the proximal section.04-25-2013
20130131546SYSTEM FOR COLLECTING AND PROCESSING BONE MARROW - Methods and systems for collecting and processing bone marrow in a closed system are provided. The systems and methods include the use of a bone marrow aspiration needle and guide configured to puncture cortical bone. Tube assembly is in fluid flow communication with the bone marrow aspiration needle. A first syringe is in fluid flow communication with the tube assembly and the bone aspiration. A bone marrow aspirate collection container in fluid flow communication with the first syringe and the tube assembly. A second syringe is connected to the collection container, a bone marrow aspirate filter in fluid flow communication with the tube assembly to filter bone marrow aspirate from the first syringe into the collection container. At least one flow controller is configured to direct the flow of bone marrow aspirate between the aspiration needle, the first syringe and the collection container.05-23-2013
20130131545BONE MARROW ASPIRATION DEVICE AND NEEDLE - Devices for extracting bone marrow from a bone of a patient are disclosed. The device includes a housing defined in part by a cannula and a hollow needle disposed within the cannula. The hollow needle is movable axially relative to the cannula and extendable therefrom. The hollow needle is configured to aspirate bone marrow within a bone. A depth adjustment mechanism coupled to the hollow needle and the cannula is used to adjust the depth of the hollow needle relative to the cannula to control the distance of the needle within the bone. The device is attachable to an extraction device to extract bone marrow from the patient through the hollow needle. Methods of using these devices and methods of extracting bone marrow are also included.05-23-2013
20080200834INTRODUCER DEVICE FOR IMPROVED IMAGING - A slotted introducer cannula includes an introducer sheath insertable into a patient's tissue. The cannula has an open distal end and an open proximal end, and an inner lumen therethrough. The introducer cannula may include at least one aperture in a side wall thereof, which allows fluid communication between the inner lumen and the area outside the cannula. The introducer cannula may also be in communication with a vacuum source, which may remove fluid near the distal end of the introducer cannula.08-21-2008
20080200833VACUUM 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
20110224575Needle with Helical Grooves Converting Axial Movement to Rotational Movement - A device for penetrating tissues within a living body, comprises a shaft extending from a proximal end which, in an operative position, remains outside the body to a distal end which, in the operative position, is within a living body, the shaft comprising a channel extending therethrough from the proximal end to an opening at the distal end. The device also comprises a needle extending within the channel and comprising a tissue penetrating tip. A portion of an outer surface of the needle includes a first structure wrapping therearound and configured to mate with a second structure formed on a corresponding portion of an inner wall of the shaft. The first and second structures mate with one another so that, as the needle is urged axially through the channel, the mating causes the needle to rotate about an axis of the channel.09-15-2011
20130150751BIOPSY DEVICE WITH SLIDE-IN PROBE - An exemplary ultrasound biopsy device includes a probe and a holster. The probe is insertable into the holster to form a completed assembly. To assemble the probe to the holster, the probe is initially slid laterally onto the holster and then slid forward to latch the probe into engagement with the holster. The holster is coupled to a vacuum control module by one or more conduits and a power cable. The conduits and/or power cable may be retracted into the vacuum control module. The probe of the biopsy device includes a blade assembly at the distal end. The blade assembly comprises a blade that snaps onto a nosecone via a pair of resilient notched ends. A frictional fitting needle cover can be inserted over the needle and blade assembly to protect the user from the sharp blade.06-13-2013
20130150750BIOPSY DEVICE WITH VACUUM ASSISTED BLEEDING CONTROL - A biopsy device includes an elongate needle, a proximal portion, a cutter, and a vacuum conduit. The elongate needle defines an internal passage and includes a distal end and a first plurality of openings along an exterior surface of the elongate needle in communication with the internal passage. The first plurality of openings are sized to admit fluid and to resist the prolapse of tissue. The proximal portion is attached to the elongate needle and is positionable to insert the elongate needle into tissue. The cutter is reciprocally received by the elongate needle to sever a tissue sample received in the elongate needle. The cutter includes a cutter tube with a second plurality of openings in communication with the internal passage of the elongate needle. The vacuum conduit is attached to the proximal portion in communication with the internal passage and is coupled to a vacuum source.06-13-2013
20120283596Biopsy Device - A method for using a biopsy device is disclosed. The biopsy device includes a chamber having a body having a distal end and a proximal end, wherein the proximal end includes an inlet. The biopsy device further includes a vacuum generator for generating negative and positive pressure and at least one first recessed area and at least one second recessed area. The first recessed area extends along an inner wall of the body, proximate the proximal end of the body of the chamber. The first recessed area is configured to release positive pressure within the chamber. The second recessed area extends along the inner wall of the body, proximate the distal end of the body of the chamber. The second recessed area is configured to release negative pressure within the chamber.11-08-2012
20130123663BIOPSY DEVICE WITH AUXILIARY VACUUM SOURCE - A biopsy device includes a body, a needle, a hollow cutter, a vacuum pump, and a tissue sample holder. The needle extends distally from the body. The hollow cutter is movable relative to the needle to sever a tissue sample. The vacuum pump is carried by the body. The tissue sample holder is supported on the body and disposed proximally of the needle and receives tissue samples severed by the cutter. The tissue sample holder is in fluid communication with the vacuum pump and an external source of vacuum.05-16-2013
20110313316BIOPSY DEVICE HAVING ROTATIONAL CUTTING - A biopsy device includes a probe assembly and a driver unit. The probe assembly includes a first cannula having a first aperture extending to a lumen proximal to a first distal end of the first cannula. A second cannula has a second aperture extending to a lumen proximal to the second distal end of the second cannula. The second cannula is disposed co-axially with the first cannula. A least one of the first aperture and the second aperture has a cutting edge. The driver unit is configured for releasably mounting the probe assembly. The driver unit is operatively configured to simultaneously rotate the first cannula and the second cannula at different rotational velocities so that the first aperture and the second aperture periodically come into alignment to form a virtual tissue sample aperture.12-22-2011
20120289860BIOPSY NEEDLE SYSTEM FOR OBTAINING A TISSUE BIOPSY SPECIMEN - A biopsy needle system includes a carrier. A trocar is inserted into the carrier for percutaneous insertion to a biopsy site. A biopsy needle is inserted into the carrier, replacing the trocar, for removal of a tissue biopsy specimen. A biopsy needle and a method for obtaining a tissue biopsy specimen with the system, are also provided.11-15-2012
20120289859SYSTEM 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.11-15-2012
20130197394VACUUM 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
20120095366DISPOSABLE BIOPSY UNIT - A disposable biopsy unit includes a biopsy needle unit and a pump. The biopsy needle unit includes a carrier, a biopsy needle and a cutting sheath. The carrier is configured to mount the biopsy needle and the cutting sheath. The cutting sheath is configured to move along a longitudinal axis relative to the biopsy needle. The pump has an elongate cylinder and a plunger. The plunger is configured to be movable inside the elongate cylinder in a first direction from a distal end of the elongate cylinder to a proximal end of the elongate cylinder to generate a vacuum and configured to be movable inside the elongate cylinder in a second direction from the proximal end of the elongate cylinder to the distal end of the elongate cylinder to build up pressure. The distal end of the elongate cylinder is coupled in fluid communication with the biopsy needle.04-19-2012

Patent applications in class Body pierced by tubular cutter or rod-type punch