System and method for capturing body tissue samples

• US 20040220496A1
• Filed: 02/23/2004
• Published: 11/04/2004
• Est. Priority Date: 01/04/2002
• Status: Active Grant

• Current Assignee: Gyrus ACMI, Inc. (Olympus Corporation)
• Original Assignee: Hugo Gonzalez
• Inventors: Gonzalez, Hugo X.
• Granted Patent: US 7,232,414 B2
• Time in Patent Office: Days
• US Class Current: 600/562
• CPC Class Codes: A61B 10/0096 Casings for storing test samples A61B10/0038 and A61B10/0045 take precedence; preservation of living parts of the human or animal body A01N1/02; containers for retaining a material to be analysed B01L3/50; containers for enzymology or microbiology C12M1/16; swab-sampler being part of enzymology or microbiology container C12M1/30
• CPC Class Codes: A61B 10/02 Instruments for taking cell samples or for biopsy A61B10/0038 and A61B10/0045 take precedence; needle locating or guiding means A61B17/3403; samplers for enzymology or microbiology C12M1/26; sampling or preparing biological specimens G01N33/48
• 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 2010/0225 for taking multiple samples
• CPC Class Codes: A61B 2017/00287 Bags for minimally invasive surgery

Abstract

A system and method provides for the capture of body tissue samples such as lymph nodes. The system includes a bag formed of a flexible material having a first end opened for receiving the body tissue sample and a second end which is closed to the body tissue sample but which permits a vacuum to be pulled through the bag. The system further includes a vacuum tube in which the body tissue sample capture bag may be disposed and a vacuum source that pulls a vacuum through the body tissue sample capture bag for pulling the body tissue sample into the bag through the opened end of the bag.

Claims

1. A device for capturing body tissue samples, comprising:

an elongate body having a proximal end, a distal end, and a lumen therethrough;

a head disposed at the distal end of the elongate body and having a lumen therethrough in communication with the elongate body lumen;

a collection bag configured to be disposed within the elongate body, the collection bag having a distal end open to receive a body tissue sample, and further configured with vacuum apertures to allow a vacuum to be drawn through the bag;

a source of vacuum in selective communication with the proximal end of the elongate body; and

wherein the head is configured to selectively allow the tissue sample to be drawn into the elongate body and into the collection bag.

2. The device of claim 1, wherein the head is configured to engage and maintain the position of a tissue sample before, during, and after resection of the tissue sample.

3. The device of claim 2, wherein the head is configured with a separator that separates the interior of the head from the interior of the elongate body to inhibit the tissue sample from being drawn into the elongate body.

4. The device of claim 3, wherein the separator separates the interior of the head from the interior of the elongate body by providing a region of decreased diameter between the head and the interior of the elongate body.

5. The device of claim 4, wherein the separator is selectively activated to inhibit the tissue sample from being drawn into the elongate body by reducing the diameter.

6. The device of claim 1, wherein the collection bag distal end is disposed adjacent the head.

7. The device of claim 6, wherein the collection bag distal end is secured to the head.

8. The device of claim 1, wherein the collection bag is formed of a biocompatible material.

9. The device of claim 8, wherein the collection bag is formed of silicone.

10. The device of claim 1, wherein the lumen extending through the head has an adjustable diameter.