Tissue specimen retrieval bag, method for retrieving tissue
View Patent ↗A tissue retrieval bag is provided, comprising a region of the bag defining an opening; a pleated fold intersecting said opening at a distal region of the opening; and a hem circumferentially formed around said opening, the hem forming insertion points adapted to receive a draw string, the insertion points in direct opposition to the pleated fold.
1. A stand alone tissue retrieval bag for direct insertion in a patient's body through a trocar, said bag comprising:
a) a region of the bag comprising an opening;
b) a pleated fold intersecting said opening;
c) a hem circumferentially formed around said opening, said hem forming insertion points adapted to receive a draw string;
d) a material possessing shape-preserving memory so that the bag opening assumes a pre-determined configuration after the bag is introduced unfolded in a patient's body;
e) a first grabbing tool engagement region along a heat-welded portion of the bag extending along a longitudinal side of the bag forming a pleat wherein said pleat is used to deploy the bag and upon deployment said shape-preserving memory sections facilitate full access to the interior of the bag;
f) the opening is on a first end of the bag, and a second grabbing tool engagement region is located on the second end of the bag; and
g) a performed pocket is configured on an outside portion of the bag on the second end of the bag, and the pocket comprises a longitudinally extending region, with a portion of that longitudinally extending region reinforced so as to receive a blunt probe.
2. The bag as recited in claim 1 wherein the fold is restricted to a distal-most region of said opening.
3. The bag as recited in claim 1 wherein the fold is restricted to a part of the opening opposite the insertion points.
4. The bag as recited in claim 1 wherein the bag opening remains open once the bag is unfolded.
5. The bag as recited in claim 1 wherein the opening has a diamond-shaped cross section.
6. The bag as recited in claim 1 wherein the fold is deployed from a medially directed to a laterally directed configuration by pulling on the draw strings.
7. The bag as recited in claim 6 wherein the opening may be closed by pulling on the draw-strings when the fold is in a medially directed configuration.
8. The bag as recited in claim 6 wherein the opening may be closed by pulling on the draw-strings when the fold is in a laterally directed configuration.
9. The bag as recited in claim 1 wherein the bag comprises luminescent regions that emit light when illuminated by a light inserted in the patient.
10. The stand alone tissue retrieval bag recited in claim 1 wherein the bag is dimensioned so that it may be inserted in trocars between 5 and 20 mm diameter.
11. The stand alone tissue retrieval bag recited in claim 1 wherein said draw string insertion points are proximal to the first grabbing tool engagement region.
12. The stand alone tissue retrieval bag recited in claim 1 wherein the bag pleat comprises a W-shape pleat.
13. The bag as recited in claim 1 wherein the bag may be closed by pulling on the draw-strings.