Patent US4664120A successfully refreshed from Google Patents.
US4664120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable isodiametric atrial-ventricular pervenous lead
Assignee: Pacesetter Inc
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Filing: 1986-01-22
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Granted: 1987-05-12
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Expires: 2006-01-22
Abstract
Abstract A disposable atrial-ventricular percutaneous lead is provided which is suitable for carrying out a variety of functions, including endocardial pacing, mapping or diagnosis. The percutaneous lead maintains an isodiametric profile for insertion through a body cavity such as a vein or artery. By manipulation of a proximal end portion of the device, the length of extension of the ventricular electrode assembly can be adjusted, and a longitudinally spaced atrial electrode assembly can be radially expanded, the adjustability of these various assemblies permitting accommodation of a variety of differently sized hearts while retaining an isodiametric configuration for effective pervenous insertion. More than one atrial electrode may be incorporated in the lead to provide for bipolar stimulation and sensing of the atrium.
Inventors
- 👤 Stanley R. Hess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:22
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/05; A61N1/056
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
79 words
A ventricular/atrial pervenous lead for cardiac pacing or diagnosis, comprising: an elongated outer housing having a proximal end and a distal end and further including longitudinally spaced ventricular and atrial electrode assemblies, said elongated outer housing being substantially isodiametric with said atrial electrode assembly in its pervenous advanceable condition; and longitudinally extending movable means for independently advancing said ventricular electrode assembly relative to said housing and for independently generally radially expanding said atrial electrode assembly relative to said housing.
Claim 2
Dependent Claim
79 words
A ventricular/atrial pervenous lead for cardiac pacing or diagnosis, comprising: an elongated outer housing having a proximal end and a distal end and further including longitudinally spaced ventricular and atrial electrode assemblies, said elongated outer housing being substantially isodiametric with said atrial electrode assembly in its pervenous advanceable condition; and longitudinally extending movable means for independently advancing said ventricular electrode assembly relative to said housing and for independently generally radially expanding said atrial electrode assembly relative to said housing.
Claim 3
Dependent Claim
39 words
The lead according to claim 1, wherein said movable means includes a plurality of portions of said elongated outer housing, one of said portions being movable relative to another of said portions for independently expanding said atrial electrode assembly.
Claim 4
Dependent Claim
50 words
The lead according to claim 2, wherein said ventricular electrode assembly is positioned at the distal end of said housing, and said atrial electrode assembly is positioned longitudinally inwardly of said distal end; and control means are located at the proximal end of said housing for operating said movable means.
Claim 5
Dependent Claim
33 words
The lead according to claim 1, wherein said ventricular electrode assembly is positioned at the distal end of said housing, and said atrial electrode assembly is positioned longitudinally inwardly of said distal end.
Claim 6
Dependent Claim
39 words
The lead according to claim 4 wherein said movable means includes a plurality of portions of said elongated outer housing, one of said portions being movable relative to another of said portions for independently expanding said atrial electrode assembly.
Claim 7
Dependent Claim
23 words
The lead according to claim 1, wherein control meeans are provided at the proximal end of said housing to operate said movable means.
Claim 8
Dependent Claim
39 words
The lead according to claim 6, wherein said movable means includes a plurality of portions of said elongated outer housing, one of said portions being movable relative to another of said portions for independently expanding said atrial electrode assembly.
Claim 9
Dependent Claim
22 words
The lead according to claim 1, wherein said atrial electrode assembly includes a flexible sheath having at least one electrode exposed therethrough.
Claim 10
Dependent Claim
40 words
The lead according to claim 1, wherein said atrial electrode assembly includes a flexible sheath having at least one electrode exposed therethrough, and connecting means is provided for connecting said sheath to the proximal end of said elongated outer housing.
Claim 11
Dependent Claim
189 words
A ventricular/atrial pervenous lead for cardiac pacing or diagnosis, comprising: a pair of normally spaced first and second outer tubular members, said first and second outer tubular members each having a distal end and a proximal end; a radially outwardly movable flexible atrial electrode assembly interconnecting said proximal end of the first outer tubular member and said distal end of the second outer tubular member; an inner tubular member extending through said first and second outer tubular members and through said atiral electrode assembly, said inner tubular member having a distal end; a ventricular electrode assembly extending through and projecting from the distal end of the first of said outer tubular members and the distal end of said inner tubular member, said ventricular electrode assembly having a distal portion; first connecting means fixing said first of said outer tubular members and said inner tubular member against relative longitudinal movement; and second connecting means interconnecting the second of said outer tubular members to said atrial electrode assembly for movement of said second outer tubular member relative to said inner tubular member and for radially outwardly flexing said atrial electrode assembly.
Claim 12
Dependent Claim
189 words
A ventricular/atrial pervenous lead for cardiac pacing or diagnosis, comprising: a pair of normally spaced first and second outer tubular members, said first and second outer tubular members each having a distal end and a proximal end; a radially outwardly movable flexible atrial electrode assembly interconnecting said proximal end of the first outer tubular member and said distal end of the second outer tubular member; an inner tubular member extending through said first and second outer tubular members and through said atiral electrode assembly, said inner tubular member having a distal end; a ventricular electrode assembly extending through and projecting from the distal end of the first of said outer tubular members and the distal end of said inner tubular member, said ventricular electrode assembly having a distal portion; first connecting means fixing said first of said outer tubular members and said inner tubular member against relative longitudinal movement; and second connecting means interconnecting the second of said outer tubular members to said atrial electrode assembly for movement of said second outer tubular member relative to said inner tubular member and for radially outwardly flexing said atrial electrode assembly.
Claim 13
Dependent Claim
33 words
The pervenous lead according to claim 10, wherein said first connecting means is located at the proximal end of said first outer tubular member and the distal end of said inner tubular member.
Claim 14
Dependent Claim
43 words
The pervenous lead according to claim 11, wherein said atrial electrode assembly includes a flexible sheath having at least one electrode exposed therethrough, and said first connecting means is for connecting said sheath to the proximal end of said first outer tubular member.
Claim 15
Dependent Claim
43 words
The pervenous lead according to claim 12, wherein the distal end of said first outer tubular member and the distal portion of said ventricular electrode assembly extending therethrough include sealing means for preventing the ingress of fluid into said first outer tubular member.
Claim 16
Dependent Claim
35 words
The pervenous lead according to claim 13, wherein said ventricular electrode assembly includes a conductor/extender extending through said inner tubular member and exposed at the proximal end of the second of said outer tubular members.
Claim 17
Dependent Claim
43 words
The pervenous lead according to claim 10, wherein the distal end of said first outer tubular member and the distal portion of said ventricular electrode assembly extending therethrough include sealing means for preventing the ingress of fluid into said first outer tubular member.
Claim 18
Dependent Claim
29 words
The pervenous lead according to claim 10, wherein said first and second outer tubular members are substantially isodiametric with said flexible atrial electrode assembly in its pervenous advanceable condition.
Claim 19
Dependent Claim
35 words
The pervenous lead according to claim 10, wherein said ventricular electrode assembly includes a conductor/extender extending through said inner tubular member and exposed at the proximal end of the second of said outer tubular members.
Claim 20
Dependent Claim
23 words
The pervenous lead according to claim 10, wherein said atrial electrode assembly includes a flexible sheath having at least one electrode exposed therethrough.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-05-11 | 1990-11-10 | 1991-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-11 | 1994-11-10 | 1995-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-11 | 1998-11-10 | 1999-05-12 | $7700.00 | Window Closed / Lapsed |