Patent US1918071A successfully refreshed from Google Patents.
US8517994B2
Active / In Force
US
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Method and device for tissue removal and for delivery of a therapeutic agent or bulking agent
Assignee: Boston Scientific Scimed Inc
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Filing: 2010-09-29
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Granted: 2013-08-27
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Expires: 2030-09-29
Abstract
Abstract According to an aspect of the present invention, a medical device is provided, which comprises the following: (a) a hollow elongate body (e.g., an elongate cylinder, such as a needle) having distal and proximal ends; and (b) a rotatable member comprising a tissue morselizer and an elongate shaft (e.g., an auger-like tissue-drilling bit). The device (i) advance material (e.g., morselated tissue) toward the proximal end of the hollow elongate body when the shaft is rotated in a first direction, and (ii) advance material (e.g., a therapeutic agent and/or a bulking agent) toward the distal end of the hollow elongate body when the shaft is rotated in a second direction that is opposite the first direction. The invention also provides a method of treatment for morselizing and removing tissue from within the patient and creating a void within the patient and introducing a therapeutic agent and/or a bulking agent into the void.
Inventors
- 👤 Jianmin Li
- 👤 Weenna Bucay-Couto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:06
CPC Classifications
A; A61; A61M; A61M37/00; A61B; A61B17/00; A61B17/22; A61B17/32; A61B17/320016; A61B17/32002; A61B10/00; A61B10/02; A61B10/0233; A61B10/0241; A61B17/00234; A61B2017/00238; A61B2017/00274; A61B2017/00681; A61B2017/00685; A61B17/3205; A61B17/3207; A61B17/320758; A61B2017/320775; A61B18/00; A61B2018/00315; A61B2018/00547
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
135 words
A medical device comprising: (a) a hollow elongate body having an open distal end and a proximal end; (b) a rotatable member having an elongate shaft with a raised helical blade having a cutting edge extending along at least a portion of the elongate shaft, the raised helical blade extending laterally outward from the elongate shaft, and with a tissue morselizer that includes a drill bit with a pointed tissue-morselizing tip, said rotatable member disposed in part within said hollow elongate body and extendable at least in part through the open distal end; and (c) a side port located in the hollow elongate body and configured to receive tissue or material therein so that the received tissue or material can be severed by progressive movement of the helical blade upon rotation of the helical blade.
Claim 2
Dependent Claim
135 words
A medical device comprising: (a) a hollow elongate body having an open distal end and a proximal end; (b) a rotatable member having an elongate shaft with a raised helical blade having a cutting edge extending along at least a portion of the elongate shaft, the raised helical blade extending laterally outward from the elongate shaft, and with a tissue morselizer that includes a drill bit with a pointed tissue-morselizing tip, said rotatable member disposed in part within said hollow elongate body and extendable at least in part through the open distal end; and (c) a side port located in the hollow elongate body and configured to receive tissue or material therein so that the received tissue or material can be severed by progressive movement of the helical blade upon rotation of the helical blade.
Claim 3
Dependent Claim
42 words
The medical device of claim 1 wherein rotation of the rotatable member in a first direction causes the tip to morselize tissue or material and progressive movement of the helical blade severs tissue or material that is engaged with the side port.
Claim 4
Dependent Claim
15 words
The medical device of claim 2 , wherein the tip is adapted to grind tissue.
Claim 5
Dependent Claim
15 words
The medical device of claim 2 , wherein said tip is adapted to slice tissue.
Claim 6
Dependent Claim
20 words
The medical device of claim 1 wherein the rotatable member has a central lumen extending therethrough for conveying a solution.
Claim 7
Dependent Claim
15 words
The medical device of claim 1 wherein the tissue-morselizing tip is an auger-type drilling bit.
Claim 8
Dependent Claim
22 words
The medical device of claim 1 , wherein said distal end of said hollow elongate body is adapted for penetration of tissue.
Claim 9
Dependent Claim
16 words
The medical device of claim 1 , wherein said hollow elongate body comprises a hollow needle.
Claim 10
Dependent Claim
20 words
The medical device of claim 1 , wherein said hollow elongate body is a 10 to 22 gauge hollow needle.
Claim 11
Dependent Claim
53 words
A method of treatment comprising: inserting the medical device of claim 1 into tissue of a patient; morselizing and removing tissue from within said patient while rotating the rotatable member, thereby creating a void within the patient; and introducing at least one of a therapeutic agent or a bulking agent into the void.
Claim 12
Dependent Claim
23 words
The method of claim 10 further comprising rotating the rotatable member in a first direction to cause progressive movement of the helical blade.
Claim 13
Dependent Claim
29 words
The method of claim 11 further comprising rotating the rotatable member in a second direction opposite the first direction while introducing the therapeutic agent, the bulking agent, or both.
Claim 14
Dependent Claim
14 words
The method of claim 10 further comprising penetrating the tissue with the elongate body.
Claim 15
Dependent Claim
45 words
The method of claim 13 wherein said medical device is adapted for insertion into a body lumen and further comprising piercing a wall of the body lumen with the distal end of the hollow elongate body to access a tissue region proximate the body lumen.
Claim 16
Dependent Claim
14 words
The method of claim 10 further comprising applying a vacuum to enhance tissue removal.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2016-08-26 | 2017-02-25 | 2017-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2020-08-26 | 2021-02-25 | 2021-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2024-08-26 | 2025-02-25 | 2025-08-27 | $7700.00 | Window Closed / Lapsed |