Temporary catheter for biopsy site tissue fixation

Details Temporary catheter for biopsy site tissue fixation Temporary catheter for biopsy site tissue fixation

2011-06-07

2011-06-07

Marmor, II, Charles A (Department: 3735)

Surgery

Radioactive substance applied to body for therapy

Radioactive substance placed within body

Reexamination Certificate

active

07955246

ABSTRACT:
Devices and methods are provided for temporarily maintaining access to a body cavity in a targeted tissue region within a patient's body. One embodiment of the catheter device includes an elongated shaft having a proximal shaft section which is flexible enough to be folded or coiled into a configuration for deployment within the patient. An alternate embodiment includes a catheter device having one or more detachable proximal shaft sections and having at least one one-way valve to restrict fluid flow of inflation fluid to flow to the balloon. After deployment of the catheter device completely within the patient, the opening through which the catheter device is deployed is closed, e.g. by sutures, adhesives and the like to minimize infection at the site. Within a few days or weeks after the tissue has been evaluated for cancer, the temporary catheter device may be removed from the patient. If cancer or pre-cancer cells are found in the specimen removed from the cavity, then a radiation balloon catheter or other irradiation device can be inserted into the patient to irradiate tissue surrounding the biopsy cavity to ensure that cancer cells within the tissue surrounding the cavity are killed.

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