CA2394082A1 - Firing mechanism for use in a surgical biopsy device - Google Patents
Firing mechanism for use in a surgical biopsy deviceInfo
- Publication number
- CA2394082A1 CA2394082A1 CA002394082A CA2394082A CA2394082A1 CA 2394082 A1 CA2394082 A1 CA 2394082A1 CA 002394082 A CA002394082 A CA 002394082A CA 2394082 A CA2394082 A CA 2394082A CA 2394082 A1 CA2394082 A1 CA 2394082A1
- Authority
- CA
- Canada
- Prior art keywords
- assembly
- cutter
- probe
- piercer
- central lumen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
- A61B10/0275—Pointed or sharp biopsy instruments means for severing sample with sample notch, e.g. on the side of inner stylet
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0283—Pointed or sharp biopsy instruments with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B2010/0208—Biopsy devices with actuators, e.g. with triggered spring mechanisms
Abstract
An image-guided, vacuum assisted, percutaneous, coring, cable driven breast biopsy instrument (40) which may be conveniently mounted to movable table (12) on an x-ray machine. The biopsy instrument (40) incorporates a firing mechanism to rapidly advance the biopsy probe (42) into the breast. The biopsy probe (42) includes an elongated piercer (70) having a piercer tip (72). A
control unit (100) controls the sequence of actions performed by the biopsy instrument (40) in order to obtain a biopsy sample from a surgical patient.
control unit (100) controls the sequence of actions performed by the biopsy instrument (40) in order to obtain a biopsy sample from a surgical patient.
Claims (2)
1. A medical biopsy instrument comprising:
a base assembly including a firing mechanism moveably attached to a distal end of said base assembly;
a probe assembly detachably mounted to said base assembly, said probe assembly comprising:
a cutter assembly comprising:
a cutter;
a gear mechanism adapted to move said cutter;
a piercer assembly comprising:
a piercer comprising:
a distal port;
a vacuum lumen;
a central lumen wherein said central lumen is adapted to receive said cutter;
a probe mount supporting said piercer wherein a proximal end of said probe housing is slideably movable with respect to a distal end of said cutter assembly, said probe mount comprising:
a central lumen adapted to allow said cutter to pass through said probe mount;
a fork coupling detachably connected to said firing mechanism; and a drive assembly detachably mounted to said cutter assembly, said drive assembly including a flexible drive shaft operatively connected to said gear mechanism.
a base assembly including a firing mechanism moveably attached to a distal end of said base assembly;
a probe assembly detachably mounted to said base assembly, said probe assembly comprising:
a cutter assembly comprising:
a cutter;
a gear mechanism adapted to move said cutter;
a piercer assembly comprising:
a piercer comprising:
a distal port;
a vacuum lumen;
a central lumen wherein said central lumen is adapted to receive said cutter;
a probe mount supporting said piercer wherein a proximal end of said probe housing is slideably movable with respect to a distal end of said cutter assembly, said probe mount comprising:
a central lumen adapted to allow said cutter to pass through said probe mount;
a fork coupling detachably connected to said firing mechanism; and a drive assembly detachably mounted to said cutter assembly, said drive assembly including a flexible drive shaft operatively connected to said gear mechanism.
2. A medical biopsy instrument comprising:
a base assembly including a firing mechanism wherein said firing mechanism comprises:
a firing fork moveably attached to a distal end of said base assembly;
a firing assembly attached to said firing fork;
a probe assembly detachably mounted to said base assembly, said probe assembly comprising:
a cutter assembly comprising:
a cutter comprising:
a central lumen extending through said cutter;
a sharpened edge at a distal end of said cutter;
a first drive gear;
a gear mechanism adapted to move said cutter wherein said gear mechanism includes a second drive gear adapted to mesh with said first drive gear;
a piercer assembly comprising:
a piercer comprising:
a distal tissue port adapted to receive tissue;
a first central lumen extending from a proximal end of said piercer to said tissue port, said central lumen being adapted to receive said cutter;
a vacuum lumen fluidly connected to said tissue port;
a probe mount connecting said piercer to said cutter assembly wherein a proximal end of said probe housing is slideably moveable with respect to a distal end of said cutter assembly, said probe mount comprising:~
-35-~~
a second central lumen adapted to allow said cutter to pass through said probe mount to said first central lumen;
a fork coupling detachably connectable to said firing fork; and a drive assembly detachably mounted to said cutter assembly, said drive assembly comprising:
a flexible drive shaft adapted to be connected at its proximal end to a control unit including a motor;
a transmission adapted to connect a distal end of said flexible drive shaft to said cutter assembly, wherein rotation of said flexible drive shaft rotates said second drive gear.
a base assembly including a firing mechanism wherein said firing mechanism comprises:
a firing fork moveably attached to a distal end of said base assembly;
a firing assembly attached to said firing fork;
a probe assembly detachably mounted to said base assembly, said probe assembly comprising:
a cutter assembly comprising:
a cutter comprising:
a central lumen extending through said cutter;
a sharpened edge at a distal end of said cutter;
a first drive gear;
a gear mechanism adapted to move said cutter wherein said gear mechanism includes a second drive gear adapted to mesh with said first drive gear;
a piercer assembly comprising:
a piercer comprising:
a distal tissue port adapted to receive tissue;
a first central lumen extending from a proximal end of said piercer to said tissue port, said central lumen being adapted to receive said cutter;
a vacuum lumen fluidly connected to said tissue port;
a probe mount connecting said piercer to said cutter assembly wherein a proximal end of said probe housing is slideably moveable with respect to a distal end of said cutter assembly, said probe mount comprising:~
-35-~~
a second central lumen adapted to allow said cutter to pass through said probe mount to said first central lumen;
a fork coupling detachably connectable to said firing fork; and a drive assembly detachably mounted to said cutter assembly, said drive assembly comprising:
a flexible drive shaft adapted to be connected at its proximal end to a control unit including a motor;
a transmission adapted to connect a distal end of said flexible drive shaft to said cutter assembly, wherein rotation of said flexible drive shaft rotates said second drive gear.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24087700P | 2000-10-13 | 2000-10-13 | |
US60/240,877 | 2000-10-13 | ||
US09/967,131 US6730044B2 (en) | 2000-10-13 | 2001-09-28 | Firing mechanism for use in a surgical biopsy device |
US09/967,131 | 2001-09-28 | ||
PCT/US2001/042552 WO2002030290A1 (en) | 2000-10-13 | 2001-10-09 | Firing mechanism for a surgical biopsy device |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2394082A1 true CA2394082A1 (en) | 2002-04-18 |
CA2394082C CA2394082C (en) | 2010-06-29 |
Family
ID=26933801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2394082A Expired - Fee Related CA2394082C (en) | 2000-10-13 | 2001-10-09 | Firing mechanism for use in a surgical biopsy device |
Country Status (6)
Country | Link |
---|---|
US (1) | US6730044B2 (en) |
EP (1) | EP1307140A4 (en) |
JP (1) | JP3981006B2 (en) |
BR (1) | BR0107320A (en) |
CA (1) | CA2394082C (en) |
WO (1) | WO2002030290A1 (en) |
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-
2001
- 2001-09-28 US US09/967,131 patent/US6730044B2/en not_active Expired - Fee Related
- 2001-10-09 EP EP01979962A patent/EP1307140A4/en not_active Ceased
- 2001-10-09 JP JP2002533739A patent/JP3981006B2/en not_active Expired - Fee Related
- 2001-10-09 WO PCT/US2001/042552 patent/WO2002030290A1/en active IP Right Grant
- 2001-10-09 CA CA2394082A patent/CA2394082C/en not_active Expired - Fee Related
- 2001-10-09 BR BR0107320-6A patent/BR0107320A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO2002030290A8 (en) | 2002-07-11 |
JP2004510533A (en) | 2004-04-08 |
US20030069517A1 (en) | 2003-04-10 |
WO2002030290A1 (en) | 2002-04-18 |
CA2394082C (en) | 2010-06-29 |
EP1307140A1 (en) | 2003-05-07 |
BR0107320A (en) | 2002-09-17 |
US6730044B2 (en) | 2004-05-04 |
EP1307140A4 (en) | 2003-05-07 |
JP3981006B2 (en) | 2007-09-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20201009 |