US6613017B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled depth injection device and method
Assignee: Boston Scientific Scimed Inc
•
Filing: 2000-08-08
•
Granted: 2003-09-02
•
Expires: 2020-08-08
Abstract
Abstract A catheter adapted to deliver therapeutic or diagnostic agents to a target tissue of a human body is disclosed. A catheter in accordance with the present invention comprises a first elongate shaft having a proximal end, a distal end, and a lumen extending therethrough, a second elongate shaft disposed within the lumen of the first elongate shaft, the first elongate shaft including a first helical member comprising a plurality of turns, the second elongate shaft including a second helical member comprising a plurality of turns.
Inventors
- 👤 Timothy J. Mickley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:58
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0067; A61M25/0082; A61M25/0084; A61M2025/0089; A61M25/0068; A61M25/0069
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
99 words
A catheter, comprising: a first elongate shaft having a proximal end, a distal end having a distal tip, and a lumen extending therethrough; a second elongate shaft disposed within the lumen of the first elongate shaft; the first elongate shaft including a first helical member comprising a plurality of turns; and the second elongate shaft including a second helical member comprising a plurality of turns wherein the first helical member is longitudinally slidable within the lumen and the second elongate shaft is longitudinally slidable within the lumen when the first helical member is engaged with the second helical member.
Claim 2
Dependent Claim
99 words
A catheter, comprising: a first elongate shaft having a proximal end, a distal end having a distal tip, and a lumen extending therethrough; a second elongate shaft disposed within the lumen of the first elongate shaft; the first elongate shaft including a first helical member comprising a plurality of turns; and the second elongate shaft including a second helical member comprising a plurality of turns wherein the first helical member is longitudinally slidable within the lumen and the second elongate shaft is longitudinally slidable within the lumen when the first helical member is engaged with the second helical member.
Claim 3
Dependent Claim
31 words
The catheter of claim 1 , wherein at least one turn of the second helical member is at least partially disposed between a plurality of turns of the first helical member.
Claim 4
Dependent Claim
21 words
The catheter of claim 1 , wherein the second helical member is disposed in threading engagement with the first helical member.
Claim 5
Dependent Claim
14 words
The catheter of claim 1 , wherein the first helical member comprises a thread.
Claim 6
Dependent Claim
14 words
The catheter of claim 1 , wherein the first helical member comprises a coil.
Claim 7
Dependent Claim
14 words
The catheter of claim 1 , wherein the second helical member comprises a thread.
Claim 8
Dependent Claim
41 words
The catheter of claim 1 further comprising: a stop coupled to the second helical member, the stop positioned to limit the travel of a distal tip of the second helical member outside of a distal tip of the first helical member.
Claim 9
Dependent Claim
95 words
A catheter, comprising: a first elongate shaft having a proximal end, a distal end having a distal tip, and a lumen extending therethrough; a second elongate shaft disposed within the lumen of the first elongate shaft; a first helical member comprising a plurality of turns; and a second helical member comprising a plurality of turns defined by the second elongate shaft wherein the first helical member is longitudinally slidable within the lumen and the second helical member is longitudinally slidable within the lumen when the second helical member is engaged with the first helical member.
Claim 10
Dependent Claim
95 words
A catheter, comprising: a first elongate shaft having a proximal end, a distal end having a distal tip, and a lumen extending therethrough; a second elongate shaft disposed within the lumen of the first elongate shaft; a first helical member comprising a plurality of turns; and a second helical member comprising a plurality of turns defined by the second elongate shaft wherein the first helical member is longitudinally slidable within the lumen and the second helical member is longitudinally slidable within the lumen when the second helical member is engaged with the first helical member.
Claim 11
Dependent Claim
31 words
The catheter of claim 8 , wherein at least one turn of the second helical member is at least partially disposed between a plurality of turns of the first helical member.
Claim 12
Dependent Claim
21 words
The catheter of claim 8 , wherein the second helical member is disposed in threading engagement with the first helical member.
Claim 13
Dependent Claim
14 words
The catheter of claim 8 , wherein the first helical member comprises a thread.
Claim 14
Dependent Claim
14 words
The catheter of claim 8 , wherein the first helical member comprises a coil.
Claim 15
Dependent Claim
18 words
The catheter of claim 8 , wherein the second helical member comprises a coil at its distal tip.
Claim 16
Dependent Claim
92 words
A catheter, comprising: a first elongate shaft having a proximal end, a distal end having a distal tip, and a lumen extending therethrough; a second elongate shaft disposed within the lumen of the first elongate shaft; a first helical member comprising a plurality of turns fixed to the first elongate shaft; and a second helical member comprising a plurality of turns fixed to the second elongate shaft wherein the second elongate shaft is longitudinally slidable within the second helical member when the second helical member is engaged with the first helical member.
Claim 17
Dependent Claim
92 words
A catheter, comprising: a first elongate shaft having a proximal end, a distal end having a distal tip, and a lumen extending therethrough; a second elongate shaft disposed within the lumen of the first elongate shaft; a first helical member comprising a plurality of turns fixed to the first elongate shaft; and a second helical member comprising a plurality of turns fixed to the second elongate shaft wherein the second elongate shaft is longitudinally slidable within the second helical member when the second helical member is engaged with the first helical member.
Claim 18
Dependent Claim
53 words
The catheter of claim 14 , wherein at least one turn of the second helical member is at least partially disposed between a plurality of turns of the first helical member and wherein the distance of travel of the second helical member outside of the first helical member is limited by a stop.
Claim 19
Dependent Claim
21 words
The catheter of claim 14 , wherein the second helical member is disposed in threading engagement with the first helical member.
Claim 20
Dependent Claim
14 words
The catheter of claim 14 , wherein the first helical member comprises a coil.
Claim 21
Dependent Claim
14 words
The catheter of claim 14 , wherein the second helical member comprises a thread.
Claim 22
Dependent Claim
18 words
The catheter of claim 14 , wherein the second helical member comprises a coil at its distal tip.
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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) | 2006-09-01 | 2007-03-03 | 2007-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-09-01 | 2011-03-03 | 2011-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-09-01 | 2015-03-03 | 2015-09-02 | $7700.00 | Window Closed / Lapsed |