Patent US4889118A successfully refreshed from Google Patents.
US4889118A
Expired / Lapsed
US
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Catheter-insertion forceps
Assignee: Individual
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Filing: 1988-06-20
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Granted: 1989-12-26
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Expires: 2008-06-20
Abstract
Abstract A forceps for inserting a catheter into a patient including a pair of jaws for receiving a flange on the neck of a cannula which mounts the catheter, and a catheter-engaging member for engaging the hub of a catheter to force it into the patient, the forceps including finger and thumb-receiving rings connected to the jaws and the catheter-engaging member to cause them to be movable relative to each other to withdraw the cannula from the catheter after the latter has been inserted into the patient.
Inventors
- 👤 Paul E. Schwiegerling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:52
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/28; A61B17/2812; A61B17/282; A61M; A61M25/00; A61M25/01; A61M25/0105; A61M25/0113; A61B17/34; A61B17/3415
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
207 words
A forceps for inserting a catheter into a body vessel of a patient wherein said catheter is of the type having a catheter hub and an elongated tube attached thereto and is mounted on a cannula of the type having a cannula hub with an elongated needle having a pointed tip which extends into and beyond said tube of said catheter comprising first engagement means for engaging said cannula hub, second engagement means for engaging said catheter hub, first finger-receiving means, first forceps means connecting said first finger-receiving means to said first engagement means, second finger-receiving means, second forceps means connecting said second finger-receiving means to said second engagement means, means mounting said first and second forceps means for movement relative to each other, said first and second engagement means initially occupying a position wherein said cannula and catheter ar mounted on said forceps with said pointed tip extending beyond said tube to permit said pointed tip of said cannula and said tube to be initially inserted into said body vessel, and said first and second finger-receiving means being movable relative to each other to cause said first forceps means to withdraw said cannula from said catheter after said tube has been inserted into said body vessel.
Claim 2
Dependent Claim
207 words
A forceps for inserting a catheter into a body vessel of a patient wherein said catheter is of the type having a catheter hub and an elongated tube attached thereto and is mounted on a cannula of the type having a cannula hub with an elongated needle having a pointed tip which extends into and beyond said tube of said catheter comprising first engagement means for engaging said cannula hub, second engagement means for engaging said catheter hub, first finger-receiving means, first forceps means connecting said first finger-receiving means to said first engagement means, second finger-receiving means, second forceps means connecting said second finger-receiving means to said second engagement means, means mounting said first and second forceps means for movement relative to each other, said first and second engagement means initially occupying a position wherein said cannula and catheter ar mounted on said forceps with said pointed tip extending beyond said tube to permit said pointed tip of said cannula and said tube to be initially inserted into said body vessel, and said first and second finger-receiving means being movable relative to each other to cause said first forceps means to withdraw said cannula from said catheter after said tube has been inserted into said body vessel.
Claim 3
Dependent Claim
19 words
A forceps as set in claim 1 wherein said second engagement means comprises means for gripping said catheter hub.
Claim 4
Dependent Claim
25 words
A forceps as set forth in claim 2 wherein said means mounting said first and second means relative to each other comprises a slidable connection.
Claim 5
Dependent Claim
23 words
A forceps as set forth in claim 2 wherein said second forceps means comprise a pair of arms pivotally connected to each other.
Claim 6
Dependent Claim
25 words
A forceps as set forth in claim 4 wherein said first engagement means comprises a slotted member for receiving a collar on said cannula hub.
Claim 7
Dependent Claim
26 words
A forceps as set forth in claim 5 wherein said means mounting said first and second forceps means relative to each ther comprises a slidable connection.
Claim 8
Dependent Claim
25 words
A forceps as set forth in claim 2 wherein said first engagement means comprises a slotted member for receiving a collar on said cannula hub.
Claim 9
Dependent Claim
25 words
A forceps as set forth in claim 1 wherein said first engagement means comprises a slotted member for receiving a collar on said cannula hub.
Claim 10
Dependent Claim
20 words
A forceps as set forth in claim 8 wherein said second engagement means comprises means for gripping said catheter hub.
Claim 11
Dependent Claim
25 words
A forceps as set forth in claim 1 wherein said first and second finger-receiving means are moved apart to withdraw said cannula from said catheter.
References Cited (Backward Citations)
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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) | 1992-12-25 | 1993-06-26 | 1993-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-12-25 | 1997-06-26 | 1997-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-12-25 | 2001-06-26 | 2001-12-26 | $7700.00 | Window Closed / Lapsed |