Expandable brachytherapy device
First Claim
1. A method for treating tissue surrounding a body cavity of a patient, comprising:
- a) providing a device having a distal portion, a treatment location at the distal portion of a shaft of the device and a plurality of treatment lumens extending into the treatment location configured to receive a radiation source;
b) inserting the device into the patient until the treatment location is deployed within the body cavity;
c) positioning the plurality of treatment lumens within the body cavity so that a first lumen of the plurality of treatment lumens is closer to a first portion of tissue surrounding the body cavity than a second portion of tissue surrounding the body cavity; and
d) asymmetrically irradiating tissue surrounding the body cavity by positioning a radiation source in the first lumen of the plurality of treatment lumens within the treatment location to asymmetrically irradiate tissue surrounding the body cavity.
6 Assignments
0 Petitions
Accused Products
Abstract
A method for brachytherapy in a lumpectomy cavity of a breast including, positioning a distal end of a brachytherapy device within the cavity, expanding an expandable surface portion located between proximal and distal ends of the device within the cavity, the source lumen tubes defining a curved configuration within the cavity; and positioning a source of radiation sequentially within one or more source lumens of the source lumen tubes according to a brachytherapy treatment plan. The device includes an inner tube, and a plurality of source lumen tubes located around the inner tube and including distal ends secured together with the inner tube at the distal end disposed within the body cavity, the source lumen tubes comprising proximal portions sufficiently long to extend outside the breast.
161 Citations
29 Claims
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1. A method for treating tissue surrounding a body cavity of a patient, comprising:
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a) providing a device having a distal portion, a treatment location at the distal portion of a shaft of the device and a plurality of treatment lumens extending into the treatment location configured to receive a radiation source; b) inserting the device into the patient until the treatment location is deployed within the body cavity; c) positioning the plurality of treatment lumens within the body cavity so that a first lumen of the plurality of treatment lumens is closer to a first portion of tissue surrounding the body cavity than a second portion of tissue surrounding the body cavity; and d) asymmetrically irradiating tissue surrounding the body cavity by positioning a radiation source in the first lumen of the plurality of treatment lumens within the treatment location to asymmetrically irradiate tissue surrounding the body cavity. - View Dependent Claims (2)
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3. A brachytherapy device for treating tissue surrounding a body cavity within a patient comprising:
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a. an elongated shaft having proximal and distal shaft portions and a plurality of lumens extending within an interior of the elongated shaft such that said plurality of lumens are surrounded by the elongated shaft from the proximal shaft portion to the distal shaft portion; b. a plurality of tubular members on the distal shaft portion which have inner lumens in fluid communication with the plurality of lumens extending within an interior of the elongated shaft and configured to receive a radiation source therein; c. an expandable member on the distal shaft portion surrounding the plurality of tubular members, having a contracted and expanded configurations and being spaced from the plurality of tubular members in the expanded configuration; d. an adapter on the proximal shaft portion having a plurality of tubular members with inner lumens, each of which are aligned with one of the inner lumens extending within the interior of the elongated shaft and the inner lumens of the tubular members are configured to direct a radiation source to one of the lumens extending within the elongated shaft that are aligned therewith. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A brachytherapy device for treating tissue surrounding a body cavity within a patient'"'"'s breast, comprising:
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a) an elongated shaft having a distal shaft portion with a longitudinal axis, a proximal shaft portion and a plurality of lumens extending within the elongated shaft from the proximal shaft portion to the distal shaft portion; b) a plurality of guides along the distal shaft portion which are in fluid communication with the plurality of lumens extending within the elongated shaft and which are configured to receive a radiation source therein, with at least one of the guides having an arcuate shape in a longitudinal direction and having an intermediate portion thereof extending away from a longitudinal axis a greater distance than portions of the arcuate shaped guide proximal and distal to the intermediate portion to provide asymmetric radiation; c an expandable member on the distal shaft portion surrounding the plurality of guides, said expandable member having an expanded configuration that is independent of and spaced from the plurality of guides. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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Specification