Patent application number | Description | Published |
20090209853 | BIOPSY SITE MARKER APPLIER - A biopsy marker applier and method are described and illustrated. The biopsy marker applier can include a cannula and at least one marker disposed within the cannula. A member can be positioned on the cannula, such as sliding member disposed to slide along the cannula. The sliding member can be used to control or limit the depth of insertion of the biopsy marker applier in a biopsy device and/or a patient. | 08-20-2009 |
20090209854 | BIOPSY METHOD - A biopsy marker applier and method are described and illustrated. The biopsy marker applier can include a cannula and at least one marker disposed within the cannula. A member can be positioned on the cannula, such as sliding member disposed to slide along the cannula. The sliding member can be used to control or limit the depth of insertion of the biopsy marker applier in a biopsy device and/or a patient. | 08-20-2009 |
20090216152 | Needle Tip For Biopsy Device - A biopsy device includes a body portion, a tip, at least one blade, and a cutter. The cannula defines at least one lumen. The cannula has a transverse aperture configured to receive tissue. The tip is located at the distal end of the cannula, and may include at least two concave surfaces. The blade extends longitudinally from the tip. A second blade may also extend longitudinally from the tip. Blades may be axially staggered relative to the cannula. Blades may also have lengths that differ from one another. In addition, a blade may have a pointed distal end, or may have a curved distal edge. The configuration of the blade and tip may provide reduced force to penetrate tissue. The blade and tip may produce a cut length that is greater than or equal to the length of the outer perimeter of the cannula. | 08-27-2009 |
20100160810 | Multi-Orientation Targeting Set for MRI Biopsy Device - A biopsy device targeting set includes a vertical member, a carriage that is vertically movable along the vertical member, and a cradle coupled with the carriage. The cradle has a pair of substantially perpendicular mounting arms. Each mounting arm has a recess that may receive a rail of the carriage, such that the cradle may be mounted to the same rail in different orientations. Each mounting arm also has a biopsy device mounting feature, which may be a recess or a rail. The biopsy device mounting feature is configured to engage with a complementary feature of a biopsy device, such that a biopsy device may be mounted to either mounting arm. A z-stop feature is operable to selectively restrict longitudinal motion along either or both of the biopsy device mounting features. The targeting set may be used with a biopsy device in an MRI environment. | 06-24-2010 |
20100160811 | Z-Stop Feature of Targeting Set for MRI Biopsy Device - A cradle assembly is configured to support a biopsy device. The cradle assembly comprises first support member and a second support member. A biopsy device may be supported by either the first support member or the second support member. A movement restriction member is operable to restrict the longitudinal distance to which a biopsy device may be advanced relative to the cradle assembly. The movement restriction member may comprise a needle mount, a cannula mount, and/or a z-stop. For instance, a z-stop may be positioned to limit the distance to which a cannula mount may be slid along a rail of the cradle. A screw gear may be used to make fine adjustments to the longitudinal position of the z-stop. A needle mount or cannula mount may also include a ratcheting mechanism to restrict proximal motion of the needle mount or cannula mount along a rail of the cradle. | 06-24-2010 |
20100160816 | Mechanical Tissue Sample Holder Indexing Device - A biopsy device comprises a probe assembly, a holster assembly, a tissue sample holder, and a manually operated rotation mechanism configured to rotate the tissue sample holder. The probe assembly comprises a cutter configured to sever a tissue sample. The tissue sample holder includes a plurality of tissue chambers configured to receive discrete severed tissue samples. The holster assembly comprises the non-motorized, manually operated rotation mechanism configured to allow a user to align consecutive chambers to successively collect discrete severed tissue samples. The tissue sample holder rotation mechanism may comprise a first button, a first lever, a first pawl, a first ratchet, an indexing shaft, and a first gear, which are all configured to, ultimately, rotate a tissue sample holder. The tissue sample holder rotation mechanism may alternately include thumbwheels, a worm gear, or a ratcheting lever, among other things. | 06-24-2010 |
20100160819 | Biopsy 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 |
20100160820 | Biopsy 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 |
20100160821 | Biopsy Device with Sliding Cutter Cover - A biopsy device comprises a targeting set, a probe assembly, and a holster assembly, which are detachable from one another. The targeting set comprises a needle assembly having a tissue piercing tip and tissue receiving aperture. The probe assembly comprises a tissue cutter, a body, cutter driving mechanism components, and a sliding cutter cover. The cutter extends from a distal portion of the probe assembly. The sliding cutter cover extends from the distal portion of the probe assembly when the probe assembly is detached from the needle assembly of the targeting set assembly. This extension of the sliding cutter cover shields a user of the biopsy device from the sharp cutter. The sliding cutter cover further retracts into the probe assembly when the probe assembly is coupled with the needle assembly of the targeting set assembly. The cover may be resiliently biased to extend distally from the probe assembly. | 06-24-2010 |
20100160824 | Biopsy Device with Discrete Tissue Chambers - 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 respectively configured to receive a tray. The housing is releasably engageable with the probe. Each tray is configured to receive a tissue sample communicated through the cutter lumen. Each tray is removable from the housing, such as along an axial direction. The tissue sample holder is rotatable to successively index each chamber to the cutter lumen. A tray retainer is operable to selectively secure the trays relative to the housing. The trays may be flexible, resilient, or rigid. | 06-24-2010 |
20100160825 | Targeting Set for MRI Biopsy Device with Probe Holster Support - A support assembly is configured to support a biopsy device. The biopsy device has a probe portion coupled with a holster portion. The probe portion may have an integral or removable needle. The holster portion has a mounting recess and a pair of distally extending mounting arms. The support assembly comprises a cradle and a mount. The cradle has a rail that complements the mounting recess of the holster portion. The mount is configured to move longitudinally along the rail. The mount has a pair of recesses that complement the pair of distally extending mounting arms of the holster portion. A cannula support member may be located at the distal end of the cradle. The cradle, mount, and cannula support may collectively support and stabilize the biopsy device in a rigid fashion. The cradle may be coupled with a targeting assembly such as a grid or pedestal. | 06-24-2010 |
20110144532 | BIOPSY 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 |
20120253226 | BIOPSY 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 |
20120316464 | BIOPSY 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 |
20130150750 | BIOPSY 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 |
20140031716 | BIOPSY 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. | 01-30-2014 |
20140100478 | NEEDLE TIP FOR BIOPSY DEVICE - A biopsy device includes a body portion, a tip, at least one blade, and a cutter. The cannula defines at least one lumen. The cannula has a transverse aperture configured to receive tissue. The tip is located at the distal end of the cannula, and may include at least two concave surfaces. The blade extends longitudinally from the tip. A second blade may also extend longitudinally from the tip. Blades may be axially staggered relative to the cannula. Blades may also have lengths that differ from one another. In addition, a blade may have a pointed distal end, or may have a curved distal edge. The configuration of the blade and tip may provide reduced force to penetrate tissue. The blade and tip may produce a cut length that is greater than or equal to the length of the outer perimeter of the cannula. | 04-10-2014 |