US5217440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multilaminate coiled film catheter construction
Assignee: CR Bard Inc
•
Filing: 1992-10-08
•
Granted: 1993-06-08
•
Expires: 2012-10-08
Abstract
Abstract A catheter shaft and catheter are formed by spirally rolling a thin polymeric film about a mandrel into a tubular form and fixing the spirally wound film in the tubular form. Additional elements and films may be incorporated into the spirally wound tube to provide a catheter having varied characteristics and functions.
Inventors
- 👤 James J. Frassica
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:08
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0043; A61M25/0045; A61M25/0009; B; B29; B29C; B29C53/00; B29C53/56; B29C53/562
Claims Analysis
Total Claims: 50
Claim 1
Independent Claim
118 words
A catheter for insertion into the human body comprising: an elongate tubular shaft formed from at least one film of material rolled into an elongate tube having a plurality of layers and permanently fixed in said rolled configuration; said shaft being formed from a biocompatible material and having a proximal end and a distal end, the shaft being constructed to enable the distal end to be inserted into the body of a human patient; a fitting attached to the proximal end of the shaft; said catheter including means at the distal end of the shaft for treating a medical condition of the patient, the catheter being manipulable from the proximal portion thereof disposed outside of the patient's body.
Claim 2
Dependent Claim
118 words
A catheter for insertion into the human body comprising: an elongate tubular shaft formed from at least one film of material rolled into an elongate tube having a plurality of layers and permanently fixed in said rolled configuration; said shaft being formed from a biocompatible material and having a proximal end and a distal end, the shaft being constructed to enable the distal end to be inserted into the body of a human patient; a fitting attached to the proximal end of the shaft; said catheter including means at the distal end of the shaft for treating a medical condition of the patient, the catheter being manipulable from the proximal portion thereof disposed outside of the patient's body.
Claim 3
Dependent Claim
28 words
A catheter as defined in claim 1 further comprising at least one additional element formed from a different material and incorporated into the wall of the elongate tube.
Claim 4
Dependent Claim
16 words
A catheter as defined in claim 2 wherein the film is formed from a polymeric material.
Claim 5
Dependent Claim
23 words
A catheter as defined in claim 2 wherein the film is a polymeric film and the additional element comprises a hollow tubular member.
Claim 6
Dependent Claim
18 words
A catheter as defined in claim 2 wherein the film is polymeric and the additional element is elastomeric.
Claim 7
Dependent Claim
20 words
A catheter as defined in claim 2 wherein the first film is polymeric and the additional element is substantially radiopaque.
Claim 8
Dependent Claim
22 words
A catheter as defined in claim 2 wherein the first film is polymeric and the additional element is a low friction material.
Claim 9
Dependent Claim
20 words
A catheter as defined in claim 2 wherein the film is polymeric and the additional element comprises an electrical conductor.
Claim 10
Dependent Claim
38 words
A catheter as defined in claim 2 wherein said at least one additional element includes a film of different material disposed along a surface of said first mentioned film and defining the inner surface of the spirally rolled.
Claim 11
Dependent Claim
42 words
A catheter as defined in either of claims 2 or 9 wherein said at least one element includes a film of different material disposed along a surface of said first mentioned film and defining the outer surface of the spirally rolled material.
Claim 12
Dependent Claim
43 words
A catheter as defined in claim 1 wherein said means for treating or diagnosing a medical condition of the patient comprises a balloon carried on the catheter shaft and means for inflating and deflating the balloon while it is in the patient's body.
Claim 13
Dependent Claim
30 words
A catheter as defined in claim 1 wherein said means for treating or diagnosing a medical condition of the patient comprises optical means for transmitting light lengthwise of the catheter.
Claim 14
Dependent Claim
24 words
A catheter as defined in claim 1 wherein said means for treating or diagnosing a medical condition of the patient comprises electrically conductive means.
Claim 15
Dependent Claim
35 words
A catheter as defined in claim 1 wherein said means for treating or diagnosing a medical condition of the patient comprises a lumen for fluid communication between the interior and exterior of the patient's body.
Claim 16
Dependent Claim
23 words
A catheter as defined in claim 1 wherein said means for treating or diagnosing a medical condition of the patient comprises a transducer.
Claim 17
Dependent Claim
22 words
A catheter as defined in claim 1 wherein said means for treating or diagnosing a medical condition of the patient comprises electrodes.
Claim 18
Dependent Claim
40 words
A catheter as defined in claim 1 wherein said means for treating or diagnosing a medical condition of the patient comprises the distal end of the catheter having a predetermined curve formed therein adapted to facilitate a specific medical procedure.
Claim 19
Dependent Claim
30 words
A catheter as defined in claim 1 wherein said means for treating or diagnosing a medical condition of the patient comprises a fitting at the proximal end of the shaft.
Claim 20
Dependent Claim
23 words
A catheter as defined in claim 1 wherein said medical condition comprises a wound and the catheter includes means to drain the wound.
Claim 21
Dependent Claim
47 words
A catheter as defined in claim 1 wherein the catheter shaft is constructed and arranged to have sufficient torsional rigidity to enable torque to be transmitted from the proximal to the distal end thereby to facilitate navigation of the distal end of the catheter through the patient.
Claim 22
Dependent Claim
29 words
A catheter as defined in claim 1 wherein the shaft is constructed to have sufficient column strength so that it can be pushed through a lumen in the patient.
Claim 23
Dependent Claim
119 words
A catheter for insertion into the body of a human patient comprising: an elongate tubular shaft formed from at least one film of material rolled into an elongate tube having a plurality of layers and permanently fixed in said rolled configuration; said shaft being constructed to be inserted partly into the body of a patient; said catheter including means for treating a medical condition of the patient, the catheter being manipulable from the portion thereof disposed outside of the patient's body; at least one additional element formed from a different material and incorporated into the wall of the elongate tubular shaft, at least one of said additional elements extending over only a portion of the length of the tube.
Claim 24
Dependent Claim
119 words
A catheter for insertion into the body of a human patient comprising: an elongate tubular shaft formed from at least one film of material rolled into an elongate tube having a plurality of layers and permanently fixed in said rolled configuration; said shaft being constructed to be inserted partly into the body of a patient; said catheter including means for treating a medical condition of the patient, the catheter being manipulable from the portion thereof disposed outside of the patient's body; at least one additional element formed from a different material and incorporated into the wall of the elongate tubular shaft, at least one of said additional elements extending over only a portion of the length of the tube.
Claim 25
Dependent Claim
16 words
A catheter as defined in claim 22 wherein the film is formed from a polymeric material.
Claim 26
Dependent Claim
22 words
A catheter as defined in claim 22 wherein the film is a polymeric material and the additional element comprises a metallic film.
Claim 27
Dependent Claim
21 words
A catheter as defined in claim 22 wherein the film is polymeric and the additional element comprises a hollow tubular member.
Claim 28
Dependent Claim
18 words
A catheter as defined in clam 22 wherein the film is polymeric and the additional element is fibrous.
Claim 29
Dependent Claim
18 words
A catheter as defined in clam 22 wherein the film is polymeric and the additional element is fibrous.
Claim 30
Dependent Claim
18 words
A catheter as defined in claim 22 wherein the film is polymeric and the additional element is elastomeric.
Claim 31
Dependent Claim
20 words
A catheter as defined in claim 22 wherein the first film is polymeric and the additional element is substantially radiopaque.
Claim 32
Dependent Claim
22 words
A catheter as defined in claim 22 wherein the first film is polymeric and the additional element is a low friction material.
Claim 33
Dependent Claim
21 words
A catheter as defined in claim 22 wherein the first film is polymeric and the additional element is an optical fiber.
Claim 34
Dependent Claim
21 words
A catheter as defined in claim 22 wherein the first film is polymeric and the additional element comprises an electrical conductor.
Claim 35
Dependent Claim
120 words
A catheter for insertion into the body of a human patient comprising: an elongate tubular shaft formed from at least one film of polymeric material rolled into an elongate tube having a plurality of layers and permanently fixed in said rolled configuration; said shaft being constructed to be inserted partly into the body of a patient; said catheter including means for treating a medical condition of the patient, the catheter being manipulable from the portion thereof disposed outside of the patient's body; at least one additional element formed from a metallic film and incorporated into the wall of the elongate tubular shaft, at least one of said additional elements extending over only a portion of the length of the tube.
Claim 36
Dependent Claim
120 words
A catheter for insertion into the body of a human patient comprising: an elongate tubular shaft formed from at least one film of polymeric material rolled into an elongate tube having a plurality of layers and permanently fixed in said rolled configuration; said shaft being constructed to be inserted partly into the body of a patient; said catheter including means for treating a medical condition of the patient, the catheter being manipulable from the portion thereof disposed outside of the patient's body; at least one additional element formed from a metallic film and incorporated into the wall of the elongate tubular shaft, at least one of said additional elements extending over only a portion of the length of the tube.
Claim 37
Dependent Claim
17 words
A catheter as defined in claim 32 wherein the metallic film is formed in a predetermined pattern.
Claim 38
Dependent Claim
19 words
A catheter as defined in claim 33 wherein the pattern forms a different pattern when rolled into tubular form.
Claim 39
Dependent Claim
68 words
A catheter having a shaft comprising: at least one film of polymeric material spirally rolled into an elongate tube and permanently fixed in said rolled configuration; and at least one additional element formed from a metallic film in a predetermined pattern comprising a plurality of chevrons and incorporated into the wall of the elongate tube, the pattern forming a different double helical pattern when rolled into tubular form.
Claim 40
Dependent Claim
68 words
A catheter having a shaft comprising: at least one film of polymeric material spirally rolled into an elongate tube and permanently fixed in said rolled configuration; and at least one additional element formed from a metallic film in a predetermined pattern comprising a plurality of chevrons and incorporated into the wall of the elongate tube, the pattern forming a different double helical pattern when rolled into tubular form.
Claim 41
Dependent Claim
119 words
A catheter for insertion into the body of a human patient comprising: an elongate tubular shaft formed from at least one film of polymeric material rolled into an elongate tube having a plurality of layers and permanently fixed in said rolled configuration; said shaft being constructed to be inserted partly into the body of a patient; said catheter including means for treating a medical condition of the patient, the catheter being manipulable from the portion thereof disposed outside of the patient'body; at least one additional element formed from a fibrous material and incorporated into the wall of the elongate tubular shaft, at least one of said additional elements extending over only a portion of the length of the tube.
Claim 42
Dependent Claim
119 words
A catheter for insertion into the body of a human patient comprising: an elongate tubular shaft formed from at least one film of polymeric material rolled into an elongate tube having a plurality of layers and permanently fixed in said rolled configuration; said shaft being constructed to be inserted partly into the body of a patient; said catheter including means for treating a medical condition of the patient, the catheter being manipulable from the portion thereof disposed outside of the patient'body; at least one additional element formed from a fibrous material and incorporated into the wall of the elongate tubular shaft, at least one of said additional elements extending over only a portion of the length of the tube.
Claim 43
Dependent Claim
101 words
A catheter for insertion into the body of a human patient comprising: an elongate tubular shaft formed from at least one film of polymeric material rolled into an elongate tube having a plurality of layers and permanently fixed in said rolled configuration; said shaft being constructed to be inserted partly into the body of a patient; said catheter including means for treating a medical condition of the patient, the catheter being manipulable from the portion thereof disposed outside of the patient's body; at least one additional element comprising an optical fiber and incorporated into the wall of the elongate tubular shaft.
Claim 44
Dependent Claim
101 words
A catheter for insertion into the body of a human patient comprising: an elongate tubular shaft formed from at least one film of polymeric material rolled into an elongate tube having a plurality of layers and permanently fixed in said rolled configuration; said shaft being constructed to be inserted partly into the body of a patient; said catheter including means for treating a medical condition of the patient, the catheter being manipulable from the portion thereof disposed outside of the patient's body; at least one additional element comprising an optical fiber and incorporated into the wall of the elongate tubular shaft.
Claim 45
Dependent Claim
113 words
A catheter for insertion into the body of a human patient comprising: an elongate tubular shaft formed from at least one film of material rolled into an elongate tube having a plurality of layers and permanently fixed in said rolled configuration; said shaft being constructed to be inserted partly into the body of a patient; said catheter including means defining at least one lumen extending through the wall of the catheter shaft; said catheter including means for treating a medical condition of the patient comprising a balloon at the distal end of the shaft in communication with the lumen, the catheter being manipulable from the portion thereof disposed outside of the patient's body.
Claim 46
Dependent Claim
113 words
A catheter for insertion into the body of a human patient comprising: an elongate tubular shaft formed from at least one film of material rolled into an elongate tube having a plurality of layers and permanently fixed in said rolled configuration; said shaft being constructed to be inserted partly into the body of a patient; said catheter including means defining at least one lumen extending through the wall of the catheter shaft; said catheter including means for treating a medical condition of the patient comprising a balloon at the distal end of the shaft in communication with the lumen, the catheter being manipulable from the portion thereof disposed outside of the patient's body.
Claim 47
Dependent Claim
20 words
A catheter as defined in claim 38 wherein the lumen comprises a hollow elongate member contained within the catheter wall.
Claim 48
Dependent Claim
33 words
A catheter shaft as defined in any of claims 3-5 wherein the rolled tube is permanently fixed by fusing at least a portion of the polymeric film from which the catheter is rolled.
Claim 49
Dependent Claim
27 words
A catheter as defined in any of claims 1-39 wherein the shaft is permanently fixed by adhesive means bonding at least portions of the spirally rolled material.
Claim 50
Dependent Claim
33 words
A catheter shaft as defined in any of claims 6-31 wherein the rolled tube is permanently fixed by fusing at least a portion of the polymeric film from which the catheter is rolled.
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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) | 1996-06-07 | 1996-12-07 | 1997-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-06-07 | 2000-12-07 | 2001-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-06-07 | 2004-12-07 | 2005-06-08 | $7700.00 | Window Closed / Lapsed |