Collection filter for biopsy apparatus

• US 20050049521A1
• Filed: 10/04/2004
• Published: 03/03/2005
• Est. Priority Date: 11/06/2000
• Status: Abandoned Application

• Current Assignee: Suros Surgical Systems Incorporated (Hologic Incorporated)
• Original Assignee: Suros Surgical Systems Incorporated (Hologic Incorporated)
• Inventors: Miller, Michael E., Mark, Joseph L.
• Application Number:
  US10/958,026
• Publication Number:
  US 20050049521A1
• Time in Patent Office: Days
• US Class Current: 600/565
• CPC Class Codes: A61B 10/025 for taking bone, bone marrow or cartilage samples
• CPC Class Codes: A61B 10/0283 with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe A61B10/025, A61B10/0266 take precedence
• CPC Class Codes: A61B 17/3498 Valves therefor, e.g. flapper valves, slide valves haemostasis valves A61M39/06; check valves A61M39/24
• CPC Class Codes: A61B 2010/0208 Biopsy devices with actuators, e.g. with triggered spring mechanisms
• CPC Class Codes: A61B 2017/00973 pedal-operated
• CPC Class Codes: A61B 2217/005 with suction drainage system
• CPC Class Codes: A61B 2217/007 with irrigation system

Abstract

A filter element is provided for use with a tissue cutting device. The tissue cutting device includes a tissue collection trap in which the filter element is mounted. The filter element includes a body formed of a mesh material. The mesh material is constructed to allow for fluids to pass through a portion of the filter element while tissue samples excised by the cutting device are retained therein.

Claims

1. A collection trap for a biopsy device, comprising:

a housing having a first end and a second end,

wherein said first end is largely open and is connected to a handpiece of the biopsy device; and

wherein said second end is largely closed.

2. The collection trap of claim 1, wherein said second end of said housing further includes a port extending therethrough.

3. The collection trap of claim 2 wherein said port is connected to a vacuum generator.

4. The collection trap of claim 1 further including a mounting hub that is positioned around said second end of said housing.

5. The collection trap of claim 4 wherein said mounting hub further includes at least one mounting groove that receives at least one pin that is attached to said housing.

6. The collection trap of claim 5 wherein said housing further includes at least one wing to facilitate a twisting motion to engage the pin with the mounting groove.

7. The collection trap of claim 1 further including a filter element mounted within said housing, said filter element including a body formed of mesh material and having an open distal end and a closed proximal end.

8. The collection trap of claim 7 wherein said filter element is constructed from a medical grade material.

9. The collection trap of claim 7 wherein said mesh material is constructed to allow fluids to pass through a portion of said body while retaining tissue samples excised by the cutting device.

10. The collection trap of claim 7 wherein said mesh material allows for fluids to be aspirated through said proximal end and at least a circumferential portion adjacent said proximal end.

11. The collection trap of claim 1 wherein said first end of said housing is removably connected to said handpiece.