US4592340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial catheter means
Assignee: Individual
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Filing: 1984-05-02
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Granted: 1986-06-03
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Expires: 2004-05-02
Abstract
Abstract An arterial catheter of the multi-lumen type having an inflatable balloon portion to wedge the catheter in place against the arterial wall. Multi-infusions are allowed through the segmented multi-lumens. This catheter is so designed to allow blood to flow in the arterial system with the catheter in place. During diastolic phases, the blood flow will be closed off with movable plastic valves.
Inventors
- 👤 Paul W. Boyles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:18
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61M25/1002; A61B; A61B90/00; A61B90/39; A61B2090/3933; A61M2025/1043; A61M2025/1052; A61M2210/00; A61M2210/12; A61M2210/127
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A catheter for insertion into the arterial passage comprising: a flexible tube-like base member having an enlarged distal end portion, said distal end portion including side walls defining an open ended cavity; a plurality of side wall openings communicatively connecting said cavity with said arterial passage; inflatable balloon means encircling said enlarged distal end portion between said side wall openings and said open end of said cavity; self actuating valve means operatively disposed within said cavity permitting blood to flow from the open end of said cavity through the side wall openings while arresting flow in the opposite direction; air passage means communicating with said inflatable balloon means; and fluid passage means communicating with said distal end portion, whereby when said catheter is inserted into an arterial passage said inflatable means can be inflated to wedge the same against the vessel wall to both hold the same in place and to prevent undesirable blood backflow.
Claim 2
Dependent Claim
155 words
A catheter for insertion into the arterial passage comprising: a flexible tube-like base member having an enlarged distal end portion, said distal end portion including side walls defining an open ended cavity; a plurality of side wall openings communicatively connecting said cavity with said arterial passage; inflatable balloon means encircling said enlarged distal end portion between said side wall openings and said open end of said cavity; self actuating valve means operatively disposed within said cavity permitting blood to flow from the open end of said cavity through the side wall openings while arresting flow in the opposite direction; air passage means communicating with said inflatable balloon means; and fluid passage means communicating with said distal end portion, whereby when said catheter is inserted into an arterial passage said inflatable means can be inflated to wedge the same against the vessel wall to both hold the same in place and to prevent undesirable blood backflow.
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) | 1989-06-02 | 1989-12-02 | 1990-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-02 | 1993-12-02 | 1994-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-02 | 1997-12-02 | 1998-06-03 | $7700.00 | Window Closed / Lapsed |