Patent US6342062B1 successfully refreshed from Google Patents.
US6342062B1
Expired / Lapsed
US
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Retrieval devices for vena cava filter
Assignee: Lifescreen Sciences LLC
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Filing: 1999-09-23
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Granted: 2002-01-29
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Expires: 2019-09-23
Abstract
Abstract A device for removing a thrombus filter from a blood vessel is disclosed. A device in accordance with the present invention includes a shaft having a proximal end, a distal end, and a lumen extending therethrough, a wire having a first end and a second end, the wire being partially disposed within the lumen of the shaft, a portion of the wire extending beyond the distal end of the shaft and forming a loop, and a portion of the wire extending beyond the proximal end of the shaft.
Inventors
- 👤 Naroun Suon
- 👤 James Weldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:07
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/22; A61B17/221; A61F; A61F2/00; A61F2/01; A61F2/0105; A61F2/011; A61B17/22031; A61B2017/22035; A61B2017/2215; A61F2002/016; A61F2230/00; A61F2230/0002; A61F2230/0028; A61F2230/005; A61F2230/0063; A61F2230/0067
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
120 words
A device for removing a thrombus filter from a blood vessel, comprising: a shaft having a proximal end, a distal end, and a lumen extending therethrough; a wire having a first end and a second end; the wire being partially disposed within the lumen of the shaft; a portion of the wire extending beyond the distal end of the shaft and forming a loop, a portion of the wire extending beyond the proximal end of the shaft; and a stabilizer disposed generally adjacent and parallel to the shaft, the stabilizer comprising an elongate body having a proximal end and a distal end wherein, the distal end of the elongate body of the stabilizer is adapted to engage the thrombus filter.
Claim 2
Independent Claim
120 words
A device for removing a thrombus filter from a blood vessel, comprising: a shaft having a proximal end, a distal end, and a lumen extending therethrough; a wire having a first end and a second end; the wire being partially disposed within the lumen of the shaft; a portion of the wire extending beyond the distal end of the shaft and forming a loop, a portion of the wire extending beyond the proximal end of the shaft; and a stabilizer disposed generally adjacent and parallel to the shaft, the stabilizer comprising an elongate body having a proximal end and a distal end wherein, the distal end of the elongate body of the stabilizer is adapted to engage the thrombus filter.
Claim 3
Independent Claim
108 words
A device, comprising: a sheath having a proximal end, a distal end, and a lumen extending therethrough; a shaft disposed within the lumen of the sheath; the shaft having a proximal end, a distal end, and a lumen extending therethrough; a wire having a first end and a second end; the wire being partially disposed within the lumen of the shaft; a portion of the wire extending beyond the distal end of the shaft and forming a loop; a portion of the wire extending beyond the proximal end of the shaft; and a thrombus filter, wherein the loop is configured to surround a portion of the thrombus filter.
Claim 4
Independent Claim
108 words
A device, comprising: a sheath having a proximal end, a distal end, and a lumen extending therethrough; a shaft disposed within the lumen of the sheath; the shaft having a proximal end, a distal end, and a lumen extending therethrough; a wire having a first end and a second end; the wire being partially disposed within the lumen of the shaft; a portion of the wire extending beyond the distal end of the shaft and forming a loop; a portion of the wire extending beyond the proximal end of the shaft; and a thrombus filter, wherein the loop is configured to surround a portion of the thrombus filter.
Claim 5
Dependent Claim
25 words
The device of claim 2 , wherein the first end and the second end of the wire extend beyond the proximal end of the shaft.
Claim 6
Dependent Claim
13 words
The device of claim 2 , wherein the wire is comprised of Nitinol.
Claim 7
Dependent Claim
19 words
The device of claim 2 , wherein the loop formed by the wire is generally perpendicular to the shaft.
Claim 8
Dependent Claim
31 words
The device of claim 2 , further including a stabilizer disposed within the lumen of the sheath, the stabilizer comprising an elongate body having a proximal end and a distal end.
Claim 9
Dependent Claim
49 words
The device of claim 2 , further including a stabilizer disposed within the lumen of the sheath, the stabilizer comprising an elongate body having a proximal end and a distal end, wherein the distal end of the elongate body of the stabilizer is adapted to engage the thrombus filter.
Claim 10
Dependent Claim
43 words
The device of claim 2 , further including a stabilizer disposed within the lumen of the sheath, the stabilizer comprising an elongate body having a proximal end and a distal end wherein, the elongate body of the stabilizer is longer than the sheath.
Claim 11
Dependent Claim
14 words
The device of claim 2 , wherein the shaft is longer than the sheath.
Claim 12
Independent Claim
135 words
A device comprising: a catheter having a proximal end, a distal end, and a lumen extending therethrough; a shaft disposed within the lumen of the catheter; the shaft having a proximal end, a distal end, and a lumen extending therethrough; a plurality of elongate members each having a proximal end, and a distal portion terminating at a distal end; a portion of each elongate member being disposed within the lumen of the shaft; the distal portion of each elongate member extending beyond the distal end of the shaft; the distal portion of each elongate member including a plurality of bends such that the distal portions of the elongate members form a claw; and a thrombus filter, wherein the claw formed by the distal portions of the elongate members is adapted to engage the thrombus filter.
Claim 13
Independent Claim
135 words
A device comprising: a catheter having a proximal end, a distal end, and a lumen extending therethrough; a shaft disposed within the lumen of the catheter; the shaft having a proximal end, a distal end, and a lumen extending therethrough; a plurality of elongate members each having a proximal end, and a distal portion terminating at a distal end; a portion of each elongate member being disposed within the lumen of the shaft; the distal portion of each elongate member extending beyond the distal end of the shaft; the distal portion of each elongate member including a plurality of bends such that the distal portions of the elongate members form a claw; and a thrombus filter, wherein the claw formed by the distal portions of the elongate members is adapted to engage the thrombus filter.
Claim 14
Dependent Claim
24 words
The device of claim 10 , wherein the claw formed by the distal portions of the elongate members is disposed about the thrombus filter.
Claim 15
Dependent Claim
20 words
The device of claim 10 , wherein an atraumatic tip is formed at the distal end of each elongate member.
Claim 16
Dependent Claim
20 words
The device of claim 10 , wherein an atraumatic ball is disposed at the distal end of each elongate member.
Claim 17
Dependent Claim
22 words
The device of claim 10 , wherein the proximal end of each elongate member extends beyond the proximal end of the shaft.
Claim 18
Dependent Claim
45 words
The device of claim 10 , further including a rod disposed within the lumen of the shaft, the rod having a distal end and a proximal end, and wherein the proximal end of each elongate member is fixed to the distal end of the rod.
Claim 19
Dependent Claim
58 words
The device of claim 10 , further including a rod disposed within the lumen of the shaft, the rod having a distal end and a proximal end, the proximal end of each elongate member being fixed to the distal end of the rod, and the proximal end of the rod extending beyond the proximal end of the shaft.
Claim 20
Dependent Claim
14 words
The device of claim 10 , wherein each elongate member is comprised of Nitinol.
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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) | 2005-01-28 | 2005-07-30 | 2006-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-01-28 | 2009-07-30 | 2010-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-01-28 | 2013-07-30 | 2014-01-29 | $7700.00 | Window Closed / Lapsed |