US20020045918A1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retrieval devices for vena cava filter
Assignee: Lifescreen Sciences LLC
•
Filing: 2001-12-14
•
Granted: —
•
Expires: 2021-12-14
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 06:29
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: 31
Claim 1
Independent Claim
80 words
1 . 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; and a portion of the wire extending beyond the proximal end of the shaft.
Claim 2
Dependent Claim
80 words
1 . 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; and a portion of the wire extending beyond the proximal end of the shaft.
Claim 3
Dependent Claim
22 words
2 . The device of claim 1 , wherein the loop formed by the wire is adapted to engage the thrombus filter.
Claim 4
Dependent Claim
25 words
3 . The device of claim 1 , wherein the loop formed by the wire is adapted to encircle a portion of the thrombus filter.
Claim 5
Dependent Claim
27 words
4 . The device of claim 1 , wherein the first end and the second end of the wire extend beyond the proximal end of the shaft.
Claim 6
Dependent Claim
15 words
5 . The device of claim 1 , wherein the wire is comprised of Nitinol.
Claim 7
Dependent Claim
21 words
6 . The device of claim 1 , wherein the loop formed by the wire is generally perpendicular to the shaft.
Claim 8
Dependent Claim
39 words
7 . The device of claim 1 , wherein the first end of the wire is fixed to the shaft proximate its distal end and the second end of the wire extends beyond the proximal end of the shaft.
Claim 9
Dependent Claim
34 words
8 . The device of claim 1 , further including a stabilizer disposed generally adjacent and parallel to the shaft, the stabilizer comprising an elongate body having a proximal end and a distal end.
Claim 10
Dependent Claim
52 words
9 . The device of claim 1 , further including 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 11
Dependent Claim
103 words
10 . A device for removing a thrombus filter from a blood vessel, 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; and a portion of the wire extending beyond the proximal end of the shaft.
Claim 12
Dependent Claim
103 words
10 . A device for removing a thrombus filter from a blood vessel, 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; and a portion of the wire extending beyond the proximal end of the shaft.
Claim 13
Dependent Claim
22 words
11 . The device of claim 10 , wherein the loop formed by the wire is adapted to engage the thrombus filter.
Claim 14
Dependent Claim
25 words
12 . The device of claim 10 , wherein the loop formed by the wire is adapted to encircle a portion of the thrombus filter.
Claim 15
Dependent Claim
27 words
13 . The device of claim 10 , wherein the first end and the second end of the wire extend beyond the proximal end of the shaft.
Claim 16
Dependent Claim
15 words
14 . The device of claim 10 , wherein the wire is comprised of Nitinol.
Claim 17
Dependent Claim
21 words
15 . The device of claim 10 , wherein the loop formed by the wire is generally perpendicular to the shaft.
Claim 18
Dependent Claim
39 words
16 . The device of claim 10 , wherein the first end of the wire is fixed to the shaft proximate its distal end and the second end of the wire extends beyond the proximal end of the shaft.
Claim 19
Dependent Claim
33 words
17 . The device of claim 10 , 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 20
Dependent Claim
51 words
18 . The device of claim 10 , 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 21
Dependent Claim
45 words
19 . The device of claim 10 , 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 22
Dependent Claim
16 words
20 . The device of claim 10 , wherein the shaft is longer than the sheath.
Claim 23
Dependent Claim
124 words
21 . A device for removing a thrombus filter from a blood vessel, 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; and the distal portion of each elongate member including a plurality of bends such that the distal portions of the elongate members form a claw.
Claim 24
Dependent Claim
124 words
21 . A device for removing a thrombus filter from a blood vessel, 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; and the distal portion of each elongate member including a plurality of bends such that the distal portions of the elongate members form a claw.
Claim 25
Dependent Claim
27 words
22 . The device of claim 21 , wherein the claw formed by the distal portions of the elongate member is adapted to engage the thrombus filter.
Claim 26
Dependent Claim
22 words
23 . The device of claim 21 , wherein an atraumatic tip is formed at the distal end of each elongate member.
Claim 27
Dependent Claim
22 words
24 . The device of claim 21 , wherein an atraumatic ball is disposed at the distal end of each elongate member.
Claim 28
Dependent Claim
24 words
25 . The device of claim 21 , wherein the proximal end of each elongate member extends beyond the proximal end of the shaft.
Claim 29
Dependent Claim
47 words
26 . The device of claim 21 , 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 30
Dependent Claim
60 words
27 . The device of claim 21 , 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 31
Dependent Claim
16 words
28 . The device of claim 21 , wherein each elongate member is comprised of Nitinol.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.