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Post-biopsy cavity treatment implants and methods

Inactive Publication Date: 2007-12-27
ENCAPSULE MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

"The present invention is a method for mapping a lymphatic system after a cavity generating procedure. The method involves using an implant that swells non-uniformly when placed in an aqueous environment. The implant contains a dye or pigment that can be released and visualized in the lymphatic system using various visualization modes. The implant may also have a reservoir containing the dye / pigment and the reservoir may be ruptured to release the dye / pigment. The method may help in better mapping of the lymphatic system and aid in the diagnosis and treatment of various medical conditions."

Problems solved by technology

However, it is becoming apparent, therefore, that the post-biopsy biopsy cavities left by these procedures may both offer and require different post procedural treatments, as compared to the cavities left by needle, core biopsy procedures or open surgical procedures, due to the different nature, size and shape of the cavity created by conventional biopsy devices, as well as the narrow connection to the skin characterized by percutaneous approaches.

Method used

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  • Post-biopsy cavity treatment implants and methods
  • Post-biopsy cavity treatment implants and methods
  • Post-biopsy cavity treatment implants and methods

Examples

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Embodiment Construction

[0051]FIGS. 1-7 show aspects of a percutaneous method for cutting, collecting and isolating a tissue specimen and the subsequent creation of a cavity within which embodiments of the present inventions may be implanted. The excisional device shown in FIGS. 1-7 is described in commonly assigned U.S. Pat. No. 6,022,362 and in commonly assigned and co-pending application Ser. No. 10 / 189,277, filed Jul. 3, 2002, which patent and application are hereby incorporated herein by reference in their entireties. Although embodiments of the present invention are described relative to a cavity created by the excisional device shown in FIGS. 1-7, it is to be understood that the present inventions are not to be limited thereby. Indeed, embodiments of the present invention may be advantageously utilized to treat cavities of various shapes and sizes created by other devices, including devices that obtain tissue specimen through coring or ablation techniques, for example.

[0052] As shown in FIG. 1, the...

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Abstract

A method for mapping a lymphatic system following a cavity generating procedure, may include a step of providing a post-biopsy cavity treatment implant, the implant including a collagenous matrix having a non-uniform cross-linking density that is configured to cause the implant to swell non-uniformly when placed within an aqueous environment, the implant including a dye or a pigment contained therein. The provided post-biopsy cavity treatment implant may then be implanted into the cavity and the cavity closed. The dye / pigment may then be caused to be released from the implant and to propagate through the lymphatic system. The propagated dye / pigment may then be visualized in the lymphatic system using a selected visualization mode.

Description

CROSS REFERENCE TO RELATED APPLICATIONS [0001] This is a divisional of co-pending application Ser. No. 10 / 627,960, filed Jul. 25, 2003, which application is hereby incorporated herein by reference in its entirety.BACKGROUND OF THE INVENTION [0002] 1. Field of the Invention [0003] The present invention relates to post-biopsy cavity treatment methods and implants. More particularly, the present inventions relates to post-biopsy cavity treatment implants inserted into cavities formed in soft tissue that may be created during a biopsy or therapeutic excisional procedure. [0004] 2. Description of the Related Art [0005] Breast biopsies are routinely performed in the United States following a detection of abnormalities discovered through mammographic visualization, manual palpation or ultrasound examination. There are a number of traditional methods to obtain breast biopsy tissue samples, including surgical excisional biopsies and stereotactic and ultrasound guided needle breast biopsies. ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61B6/00A61B19/00A61K49/04
CPCA61B17/0057A61B19/54A61B2017/00654A61B2019/5408A61M31/005A61K49/04A61L31/146A61L31/18A61B2019/5487A61B90/39A61B2090/3908A61B2090/3987
Inventor CHERNOMORSKY, ARY S.VETTER, JAMES W.CHERNOMORSKY, SIMON
Owner ENCAPSULE MEDICAL