US20020165600A1
Expired / Lapsed
US
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Guidewires and thin film catheter-sheaths and method of making same
Assignee: Vactronix Scientific LLC
•
Filing: 2002-04-29
•
Granted: —
•
Expires: 2022-04-29
Abstract
Abstract Guidewires and thin-film catheter-sheaths, fabricated using vacuum deposition techniques, which are monolayer or plural-layer members having ultra-thin wall thicknesses to provide very-low profile delivery assemblies for introduction and delivery of endoluminal devices.
Inventors
- 👤 Christopher Banas
- 👤 Steven Bailey
- 👤 Christopher Boyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:30
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/95; A61F2/82; A61F2/86; A61F2/90; A61F2/91; A61F2/915; A61M; A61M25/00; A61M25/0009; A61M25/0013; A61M25/0043; A61M25/0045; A61M25/01; A61M25/09; A61B; A61B17/00; A61B17/12; A61B17/12022; A61B2017/1205; A61F2002/91525; A61F2002/91533; A61F2002/91541; A61F2002/9155; A61F2002/91558; A61F2210/00; A61F2210/0076; A61M25/0021; A61M2025/0042; A61M2025/006; A61M25/06; A61M25/0662; A61M2025/0681; A61M2025/09108; A61M2025/09133; A61M2025/0915; A61M2025/09166; A61M2205/00; A61M2205/02; A61M2205/0244; A61M2205/0266
Claims Analysis
Total Claims: 43
Claim 1
Independent Claim
80 words
1 . A method of manufacturing one of a guidewire and a catheter-sheath having a body, the method comprising: (a) providing a substrate having a surface capable of accommodating metal deposition thereon and having a substrate geometry corresponding at least in part to a geometry desired for the body; (b) depositing a thin-film of a biocompatible metal onto the substrate using a vacuum deposition technique, the thin-film forming the body; and (c) removing the substrate from the body formed thereon.
Claim 2
Dependent Claim
80 words
1 . A method of manufacturing one of a guidewire and a catheter-sheath having a body, the method comprising: (a) providing a substrate having a surface capable of accommodating metal deposition thereon and having a substrate geometry corresponding at least in part to a geometry desired for the body; (b) depositing a thin-film of a biocompatible metal onto the substrate using a vacuum deposition technique, the thin-film forming the body; and (c) removing the substrate from the body formed thereon.
Claim 3
Dependent Claim
16 words
2 . The method of claim 1 , further comprising subjecting the body to post-deposition annealing.
Claim 4
Dependent Claim
18 words
3 . The method of claim 1 , wherein the vacuum deposition technique comprises ion beam-assisted evaporative deposition.
Claim 5
Dependent Claim
23 words
4 . The method of claim 3 , wherein the ion beam-assisted evaporative deposition is conducted in the presence of an inert gas.
Claim 6
Dependent Claim
24 words
5 . The method of claim 4 , wherein the inert gas is selected from the group consisting of argon, xenon, nitrogen, and neon.
Claim 7
Dependent Claim
15 words
6 . The method of claim 1 , wherein the vacuum deposition technique comprises sputtering.
Claim 8
Dependent Claim
21 words
7 . The method of claim 1 , wherein a sacrificial layer is deposited onto the substrate prior to step (b).
Claim 9
Dependent Claim
15 words
8 . The method of claim 1 , wherein the substrate comprises a sacrificial material.
Claim 10
Dependent Claim
16 words
9 The method of claim 8 , wherein removing the substrate comprises etching the sacrificial material.
Claim 11
Dependent Claim
15 words
10 . The method of claim 1 , wherein the substrate geometry is generally cylindrical.
Claim 12
Dependent Claim
17 words
11 . The method of claim 1 , wherein the substrate geometry has an elliptical transverse cross-section.
Claim 13
Dependent Claim
45 words
12 . The method of claim 1 , wherein the biocompatible metal is selected from the group consisting of elemental titanium, vanadium, aluminum, nickel, tantalum, zirconium, chromium, silver, gold, silicon, magnesium, niobium, scandium, platinum, cobalt, palladium, manganese, molybdenum and alloys thereof, nitinol, and stainless steel.
Claim 14
Dependent Claim
28 words
13 . The method of claim 1 , wherein step (b) is conducted a plurality of times to form a plurality of successive layers of the deposited metal.
Claim 15
Dependent Claim
14 words
14 . The method of claim 13 , wherein the successive layers are concentric.
Claim 16
Dependent Claim
22 words
15 . The method of claim 13 , wherein a radiopaque metal is used to form at least one of the layers.
Claim 17
Dependent Claim
25 words
16 . A guidewire having a body, wherein the body comprises a thin-film of a biocompatible metal formed by the method of claim 1 .
Claim 18
Dependent Claim
15 words
17 . A guidewire according to claim 16 , wherein the body is generally tubular.
Claim 19
Dependent Claim
29 words
18 . A guidewire according to claim 16 , wherein the body further comprises a plurality of microperforations that impart at least one of longitudinal compliance and radial compliance.
Claim 20
Dependent Claim
27 words
19 . A catheter-sheath having a generally tubular body, wherein the body comprises a thin-film of a biocompatible metal formed by the method of claim 1 .
Claim 21
Dependent Claim
29 words
20 . A catheter-sheath according to claim 19 , wherein the body further comprises a plurality of microperforations that impart at least one of longitudinal compliance and radial compliance.
Claim 22
Dependent Claim
23 words
21 . A guidewire having a body, wherein the body comprises a thin-film of a biocompatible metal formed by a vacuum deposition technique.
Claim 23
Dependent Claim
23 words
21 . A guidewire having a body, wherein the body comprises a thin-film of a biocompatible metal formed by a vacuum deposition technique.
Claim 24
Dependent Claim
28 words
22 . The guidewire of claim 21 , wherein the body further comprises a plurality of microperforations that impart at least one of longitudinal compliance and radial compliance.
Claim 25
Dependent Claim
16 words
23 . The guidewire of claim 21 , wherein the thin-film comprises a plurality of layers.
Claim 26
Dependent Claim
22 words
24 . The guidewire of claim 23 , wherein a radiopaque metal is used to form at least one of the layers.
Claim 27
Dependent Claim
15 words
25 . The guidewire of claim 23 , wherein the plurality of layers are concentric.
Claim 28
Dependent Claim
14 words
26 . The guidewire of claim 21 , wherein the body is generally tubular.
Claim 29
Dependent Claim
25 words
27 . A catheter-sheath having a generally tubular body, wherein the body comprises a thin-film of a biocompatible metal formed by a vacuum deposition technique.
Claim 30
Dependent Claim
25 words
27 . A catheter-sheath having a generally tubular body, wherein the body comprises a thin-film of a biocompatible metal formed by a vacuum deposition technique.
Claim 31
Dependent Claim
28 words
28 . The catheter-sheath of claim 27 , wherein the body further comprises a plurality of microperforations that impart at least one of longitudinal compliance and radial compliance.
Claim 32
Dependent Claim
16 words
29 . The catheter-sheath of claim 27 , wherein the thin-film comprises a plurality of layers.
Claim 33
Dependent Claim
22 words
30 . The catheter-sheath of claim 29 , wherein a radiopaque metal is used to form at least one of the layers.
Claim 34
Dependent Claim
15 words
31 . The catheter-sheath of claim 29 , wherein the plurality of layers are concentric.
Claim 35
Dependent Claim
121 words
32 . An assembly for delivering a medical device via a patient's vascular system, the assembly comprising: (a) a medical device; (b) a guidewire having a guidewire body, the guidewire body comprising a first thin-film of a first biocompatible metal formed by a vacuum deposition technique; and (c) a catheter-sheath having generally tubular catheter-sheath body, the catheter-sheath body comprising a second thin-film of a second biocompatible metal formed by a vacuum deposition technique, the catheter-sheath body defining a catheter-sheath lumen; wherein the guidewire is positioned coaxially within the lumen of the catheter-sheath, and wherein the medical device is concentrically positioned within a distal portion of the catheter-sheath lumen and intermediate the catheter-sheath body and the guidewire body, thereby forming the assembly.
Claim 36
Dependent Claim
121 words
32 . An assembly for delivering a medical device via a patient's vascular system, the assembly comprising: (a) a medical device; (b) a guidewire having a guidewire body, the guidewire body comprising a first thin-film of a first biocompatible metal formed by a vacuum deposition technique; and (c) a catheter-sheath having generally tubular catheter-sheath body, the catheter-sheath body comprising a second thin-film of a second biocompatible metal formed by a vacuum deposition technique, the catheter-sheath body defining a catheter-sheath lumen; wherein the guidewire is positioned coaxially within the lumen of the catheter-sheath, and wherein the medical device is concentrically positioned within a distal portion of the catheter-sheath lumen and intermediate the catheter-sheath body and the guidewire body, thereby forming the assembly.
Claim 37
Dependent Claim
15 words
33 . The assembly of claim 32 , wherein the guidewire body is generally tubular.
Claim 38
Dependent Claim
37 words
34 . The assembly of claim 32 , wherein at least one of the guidewire body and the catheter-sheath body further comprises a plurality of microperforations that impart at least one of longitudinal compliance and radial compliance.
Claim 39
Dependent Claim
17 words
35 . The assembly of claim 32 , wherein the first and second biocompatible metals are similar.
Claim 40
Dependent Claim
34 words
36 . The assembly of claim 32 , wherein the medical device is selected from the group consisting of a stent, a graft, a stent-graft, a valve, a filter, an occluder, and a patch.
Claim 41
Dependent Claim
25 words
37 . The assembly of claim 32 , wherein at least one of the first thin-film and the second thin-film comprises a plurality of layers.
Claim 42
Dependent Claim
22 words
38 . The assembly of claim 37 , wherein a radiopaque metal is used to form at least one of the layers.
Claim 43
Dependent Claim
22 words
39 . The assembly of claim 32 , wherein the first thin-film and the second thin-film each comprise a plurality of layers.
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