Patent application number | Description | Published |
20090131817 | DEPLOYMENT DEVICE INTERFACE FOR BIOPSY DEVICE - A biopsy device includes a tissue sample holder and a cutter defining a cutter lumen. In one example, the tissue sample holder has a manifold, a plurality of chambers that are configured to separately hold tissue samples, and a cup configured to cover the manifold and chambers. The tissue sample holder is rotatable to successively align the chambers with the cutter lumen. A longitudinal passage extends along the manifold, and is positioned between two of the chambers. The manifold may be rotated to align the passage with the cutter lumen and with an opening in the cup. The passage of the manifold and the opening in the cup are configured to permit a portion of an instrument to be inserted through the opening and passage and into the cutter lumen. The instrument may be used to introduce one or more markers or medicine, etc., to a biopsy site. | 05-21-2009 |
20090131822 | Biopsy Device With Sharps Reduction Feature - A biopsy device includes a cannula, a cutter disposed within the cannula, a needle hub having a gear for rotating the cannula, a mechanism for rotating and translating the cutter within the cannula, and a body portion. The cutter rotation and translation mechanism includes a first component that is secured to the cutter and a second component that is secured to the body portion. The body portion includes a tab that is configured to retain the axial position of the cannula and needle hub relative to the body until the tab is depressed or removed. The body is configured to permit the cannula and the needle hub to be pulled axially from the body only after the tab has been depressed or removed. The cutter can then be pulled axially from the body by unscrewing the first component of the cutter rotation and translation mechanism from the second component. | 05-21-2009 |
20090131824 | Biopsy Device With Fine Pitch Drive Train - A biopsy device includes a cutter and a probe body. A cutter rotation and translation mechanism may include a sleeve that is secured to the cutter, a nut that is secured to the body, and first and second gears. The sleeve includes portion having external threads and a portion having external flats. The nut has internal threads that are configured to engage the threads of the sleeve, such that the cutter translates longitudinally when the sleeve rotates within the nut. The threads have a fine pitch (e.g., 40-50 threads per inch). The first gear is slid onto the portion of the sleeve that has flats, and is configured to rotate with the sleeve yet translate along the sleeve. The second gear is coupled with a motor. The second gear is configured to mesh with the first gear to rotate the sleeve, thereby concomitantly rotating and translating the cutter. | 05-21-2009 |
20090270725 | Devices Useful In Imaging - Biopsy devices and methods useful with Positron Emission Tomography (PET) and Breast Specific Gamma Imaging (BSGI) are disclosed. A biopsy device including a flexible tube having a side aperture, and a PET or BSGI imageable material disposed within the flexible tube is disclosed. A biopsy method is disclosed that includes advancing a flexible tube having a PET or BSGI imageable material distally through the biopsy device. Various other embodiments and applications are disclosed. | 10-29-2009 |
20090270726 | Methods For Imaging - Biopsy devices and methods useful with Positron Emission Tomography (PET) and Breast Specific Gamma Imaging (BSGI) are disclosed. A biopsy device including a flexible tube having a side aperture, and a PET or BSGI imageable material disposed within the flexible tube is disclosed. A biopsy method is disclosed that includes advancing a flexible tube having a PET or BSGI imageable material distally through the biopsy device. Various other embodiments and applications are disclosed. | 10-29-2009 |
20090270760 | Biopsy Devices - Biopsy devices and methods useful with Positron Emission Tomography (PET) and Breast Specific Gamma Imaging (BSGI) are disclosed. A biopsy device including a flexible tube having a side aperture, and a PET or BSGI imageable material disposed within the flexible tube is disclosed. A biopsy method is disclosed that includes advancing a flexible tube having a PET or BSGI imageable material distally through the biopsy device. Various other embodiments and applications are disclosed. | 10-29-2009 |
20090318832 | Biopsy Devices with Universal Probe - A biopsy device comprises a probe that is configured to couple with a holster. The probe comprises a needle, a cutter, and a body portion. The needle is rotatable and translatable relative to the body portion. The holster has a locking feature that is configured to prevent the needle from rotating relative to the body portion upon coupling of the probe with the holster. The locking feature may also be configured to prevent the needle from translating relative to the body portion upon coupling of the probe with the holster. The same probe may thus be used with a holster intended for use in a fixture-based, stereotactic setting, in which rotation and translation of the needle may be desired; and with a holster intended for use in a handheld, ultrasound-guided setting, in which rotation and translation of the needle may be less desired if not undesirable. | 12-24-2009 |
20100317995 | Method of Tetherless Biopsy Device Operation - A method of biopsy device operation comprises rotating a first rotating member at a first rotational speed to rotate a cutter. A second rotating member is rotated at a second rotational speed to translate the cutter. The first and second members are rotated simultaneously and in the same direction. The first rotating member rotates with the cutter, while the second rotating member rotates about the first rotating member. The difference between the first and second rotational speeds, as well as threaded engagement between the first and second rotating members, provides the translation of the cutter. A method of biopsy device operation also comprises moving a shuttle valve slider to selectively vent or seal the second lumen of a needle. The shuttle valve slider is responsive to translation of the cutter, though some degree of lost motion is provided between the shuttle valve slider and the cutter. | 12-16-2010 |
20100317997 | Tetherless Biopsy Device with Reusable Portion - 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. | 12-16-2010 |
20100317998 | Valve Mechanism for Tetherless Biopsy Device - A biopsy device comprises a body, a needle, a cutter, and a shuttle valve slider. The needle has a first lumen and a second lumen. The cutter translates relative to the needle. The shuttle valve slider translates in response to translation of the cutter. The shuttle valve slider vents the second lumen when the shuttle valve slider is in a first longitudinal position and substantially seals the second lumen relative to atmospheric air when the shuttle valve slider is in a second longitudinal position. A degree of lost motion is provided between the cutter and the shuttle valve slider, such that the cutter moves the shuttle valve slider only when the cutter moves through a first part of the cutter's range of motion; and such that the cutter does not move the shuttle valve slider when the cutter moves through a second part of the cutter's range of motion. | 12-16-2010 |
20110208088 | Needle Tip for Biopsy Device - A biopsy device includes a body portion, a cannula, a cutter, and a tissue stop having a proximal face. The cannula has a transverse aperture that is defined in part by a proximal edge and a distal edge. The cutter is movable to a distal position to sever tissue protruding through the transverse aperture. A tip at the distal end of the cannula has a sharp edge that extends proximally to a longitudinal position that is proximal to the longitudinal position of the distal edge of the transverse aperture. The sharp edge of the tip extends to a longitudinal position that is proximal to the longitudinal position of the distal cutting edge of the cutter when the cutter is at the distal position. The sharp edge of the tip extends to a longitudinal position that is proximal to the longitudinal position of the proximal face of the tissue stop. | 08-25-2011 |
20110208124 | CATHETER INTRODUCER ASSEMBLY HAVING SAFETY SHIELDED SYRINGE - An intravenous catheter introducer assembly having a safety feature to prevent accidental needle sticks. The introducer assembly includes a needle assembly having a groove disposed on its outer surface. The introducer includes a protector made of a hollow member having an open distal end and an inwardly disposed resilient flange or a clip disposed thereon. The protector is coaxially slidably disposed around the needle with the flange abutting the outer surface of the needle and adapted to engage the groove when a catheter assembly is removed from the needle. | 08-25-2011 |
20110218433 | Biopsy Marker Delivery Device - A biopsy site marker delivery device includes a relatively flexible marker deployer tube having a closed distal end, a push rod slidably disposed within the tube, and at least one marker disposed in the tube. The deployer tube includes a side exit port with an adjacent ramp for transversely dispensing the marker upon distal advancement of the push rod within the tube. An elongate member such as a sleeve is operable to guide and/or stabilize the flexible deployer tube as the tip of the tube is inserted into an access channel such as a channel provided by a cannula or biopsy device. An internal package member is configured to support the marker delivery device and the elongate member, with the elongate member being positioned over the side exit port to prevent the marker from inadvertently exiting the side exit port. The package member may reside in a sterile packaging envelope | 09-08-2011 |
20120059247 | ECHOGENIC NEEDLE FOR BIOPSY DEVICE - A biopsy device comprises an elongate needle having a piercing tip, a lateral aperture, and one or more echogenic features. In some versions, a dimpled surface provides the one or more echogenic features. The dimples may be concave or convex. In some versions, the piercing tip comprises a blade, and the one or more echogenic features are provided by openings formed transversely through the blade. In some versions, the one or more echogenic features are provided by serrations of the blade. Such serrations may be jagged or rounded. In some versions, the piercing tip is multi-faceted, and the facets of the tip provide the one or more echogenic features. A coagulant may also be provided on the needle. The piercing tip of the needle may rotate relative to other portions of the needle to facilitate insertion of the needle in tissue. | 03-08-2012 |
20120109007 | HANDHELD BIOPSY DEVICE WITH NEEDLE FIRING - A biopsy device includes a body, a needle, and a cutter. A motor is operable to both move the cutter relative to the needle and actuate a needle firing assembly to retract and fire the needle relative to the body. The biopsy device also includes a needle rotation assembly that is configured to substantially prevent rotation of the needle about the longitudinal axis when the needle is in a proximal position yet permit rotation of the needle about the longitudinal axis when the needle is in a distal position. A valve assembly of the biopsy device includes a slider that selectively couples a secondary lumen in the needle with either atmospheric air or saline based on the longitudinal position of the slider. The cutter passes through the slider. | 05-03-2012 |
20120203136 | CUTTER 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 |
20120310110 | NEEDLE ASSEMBLY AND BLADE ASSEMBLY FOR BIOPSY DEVICE - A biopsy device may comprise a probe assembly that has a needle assembly extending distally from the probe assembly. The needle assembly has a needle portion and blade assembly. The blade assembly comprises a blade and a multi-member coupling assembly. The multi-member coupling assembly is configured to couple to the blade and to the needle portion to attach the blade to the needle portion. In one configuration the multi-member coupling assembly comprises two coupling members configure to couple to the blade. The blade may be a flat blade that has a retention channel formed therein, wherein the two coupling members may couple to the blade at the retention channel. The needle portion may comprise a needle and a cutter receiving tube. The needle may be an ovular cross-sectioned tube having a cut-out portion into which a circular cross-sectioned cutter receiving tube may be inserted and coupled thereto. | 12-06-2012 |
20120330186 | INTRODUCER FOR BIOPSY DEVICE - A biopsy system comprises an introducer, a biopsy device having a needle, and a marker applier. The introducer may include a closed distal tip, a lateral aperture, a proximally facing interior wall, and a ramp that guides the closed distal end of a marker applier up and into abutment with the wall as the applier is fed into the introducer. The needle of the biopsy device includes a blunt distal end and features providing clearance for the ramp as the blunt distal end is brought into abutment with the wall when the needle is fed into the introducer. The introducer may alternatively include an open distal end having resiliently biased leaves that bear against an inserted biopsy device needle. In some other versions, a fin projects laterally from the closed distal end of a marker applier, spacing the distal end away from a sidewall region of the introducer cannula. | 12-27-2012 |
20130062391 | SURGICAL INSTRUMENT WITH FLUID FILLABLE BUTTRESS - An apparatus comprises a surgical instrument and a buttress configured to hold a fluid adhesive. In some versions, the buttress contains a two-part fluid adhesive where two fluid materials form a fluid adhesive when combined. In some versions, the buttress is configured to be compressed by the surgical instrument thereby pressurizing a portion of the buttress. Thereafter, the buttress may be severed and the pressurized region may be operable to urge the fluid adhesive to a tissue site. | 03-14-2013 |
20130075445 | ANVIL CARTRIDGE FOR SURGICAL FASTENING DEVICE - A surgical instrument includes a handle portion, a shaft housing a firing bar, an end effector comprising an anvil, a lower jaw, and a stapling and severing assembly responsive to a longitudinal closing motion produced by the handle portion and the shaft. The lower jaw is configured to receive a removable cartridge. The cartridge includes a housing, a plurality of staples disposed in the housing, and a deck disposed over the plurality of staples. The deck defines apertures, with each aperture being substantially disposed over each staple. The instrument includes an anvil cartridge removably received in an anvil frame. The anvil cartridge is severed by the firing bar when the firing bar is advanced through tissue such that material from the anvil cartridge is released onto the severed tissue. | 03-28-2013 |
20130075451 | Surgical Stapling Device with Adjunct Material Application Feature - A surgical instrument includes a handle portion, a shaft housing a firing bar, an end effector comprising an anvil, a lower jaw, and a stapling and severing assembly responsive to a longitudinal closing motion produced by the handle portion and the shaft. The lower jaw is configured to receive a removable cartridge. The cartridge includes a housing, a plurality of staples disposed in the housing, and a deck disposed over the plurality of staples. The deck defines apertures, with each aperture being substantially disposed over each staple. The cartridge further includes an agent. The firing bar is operable to assist with releasing the agent onto a severed line of tissue when the firing bar is advanced. | 03-28-2013 |
20130144188 | BIOPSY 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. | 06-06-2013 |
20130150751 | BIOPSY 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 |
20140039343 | BIOPSY SYSTEM - A biopsy system includes various features. A tissue sample holder kit of the system comprises a rotatable member with chambers configured to receive tissue receiving features of a tissue sample tray. A biopsy device of the system includes user input features and user feedback features disposed on a body. A user interface of the system includes a graphical representation of a tissues ample holder. A biopsy site marker applier of the system includes markings associated with different biopsy device configurations. The biopsy system may undergo a multi-step initialization process. In operation, the biopsy system may execute pneumatic control algorithms including the use of vacuum, saline, and atmospheric air. | 02-06-2014 |
20140094714 | NEEDLE TIP FOR BIOPSY DEVICE - A biopsy device includes a body portion, a cannula, a cutter, and a tissue stop having a proximal face. The cannula has a transverse aperture that is defined in part by a proximal edge and a distal edge. The cutter is movable to a distal position to sever tissue protruding through the transverse aperture. A tip at the distal end of the cannula has a sharp edge that extends proximally to a longitudinal position that is proximal to the longitudinal position of the distal edge of the transverse aperture. The sharp edge of the tip extends to a longitudinal position that is proximal to the longitudinal position of the distal cutting edge of the cutter when the cutter is at the distal position. The sharp edge of the tip extends to a longitudinal position that is proximal to the longitudinal position of the proximal face of the tissue stop. | 04-03-2014 |
20140100477 | TISSUE BIOPSY DEVICE WITH SELECTIVELY ROTATABLY LINKED THUMBWHEEL AND TISSUE SAMPLE HOLDER - A biopsy system comprising a probe and a holster. The probe comprises a rotatable needle portion a rotatable thumbwheel coupled with the needle portion and a rotatable tissue sample manifold. The holster is removably coupled to the probe. The holster comprises a selective engagement mechanism configured to selectively link rotation of the thumbwheel with rotation of the tissue sample manifold. A method of collecting tissue samples using a biopsy system unlinking rotation of the thumbwheel with rotation of the tissue sample manifold by actuating the selective engagement mechanism; and obtaining a tissue sample after the unlinking. | 04-10-2014 |
20140275999 | BIOPSY DEVICE - A biopsy device includes a probe, a holster, and a tissue sample holder for collecting tissue samples. The probe includes a needle and a hollow cutter. The tissue sample holder includes a housing having a plurality of chambers that are configured to receive a plurality of strips connected by at least one flexible member. The flexible member is configured to permit the strips to pivot relative to each other such that the strips can shift between a flat configuration and a arcuate configuration. The tissue sample holder is rotatable to successively index each chamber to the cutter lumen such that tissue samples may be collected in the strips. The strips may be removed from the tissue sample holder and placed in a tissue sample holder container for imaging of tissue samples. | 09-18-2014 |
20140276209 | HANDHELD BIOPSY DEVICE WITH NEEDLE FIRING - A biopsy device includes a body, a needle, and a cutter. A motor is operable to both move the cutter relative to the needle and actuate a needle firing assembly to retract and fire the needle relative to the body. The biopsy device also includes a needle rotation assembly that is configured to substantially prevent rotation of the needle about the longitudinal axis when the needle is in a proximal position yet permit rotation of the needle about the longitudinal axis when the needle is in a distal position. A valve assembly of the biopsy device includes a slider that selectively couples a secondary lumen in the needle with either atmospheric air or saline based on the longitudinal position of the slider. The cutter passes through the slider. | 09-18-2014 |
20140364762 | NEEDLE ASSEMBLY AND BLADE ASSEMBLY FOR BIOPSY DEVICE - A biopsy device may comprise a probe assembly that has a needle assembly extending distally from the probe assembly. The needle assembly has a needle portion and blade assembly. The blade assembly comprises a blade and a multi-member coupling assembly. The multi-member coupling assembly is configured to couple to the blade and to the needle portion to attach the blade to the needle portion. In one configuration the multi-member coupling assembly comprises two coupling members configure to couple to the blade. The blade may be a flat blade that has a retention channel formed therein, wherein the two coupling members may couple to the blade at the retention channel. The needle portion may comprise a needle and a cutter receiving tube. The needle may be an ovular cross-sectioned tube having a cut-out portion into which a circular cross-sectioned cutter receiving tube may be inserted and coupled thereto. | 12-11-2014 |
20140371626 | CUTTER 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. | 12-18-2014 |
20150025414 | BIOPSY DEVICE TARGETING FEATURES - An apparatus for guiding a biopsy instrument into tissue of a patent comprises a cannula, a guide device, a support structure, and a locking assembly. At least a portion of the biopsy instrument is insertable into the cannula. The guide device comprises at least one guide hole. The at least one guide hole is configured to receive the cannula. The support structure is configured to position the guide device relative to a breast of a patent. The locking assembly comprises a lock arm that is configured to engage the cannula to restrict translational movement of the cannula within the guide hole of the guide device. | 01-22-2015 |
20150065913 | TISSUE COLLECTION ASSEMBLY FOR BIOPSY DEVICE - A biopsy device comprises a probe body, a needle portion, a hollow cutter, and a tissue sample holder. The needle portion extends distally from the probe body and comprises a transverse tissue receiving aperture. The hollow cutter is translatable relative to the needle portion to sever a tissue sample from tissue protruding though the aperture. The hollow cutter defines a cutter lumen. The tissue sample holder comprises a body and a tissue sample tray. The tissue sample tray is removably engaged with the body and comprises a downwardly extending lumen. The downwardly extending lumen includes a pair of lower openings which are in communication with a chamber defined by the tissue sample tray. | 03-05-2015 |