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US3262449A
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Intravenous catheter placement unit with retractable needle
Assignee: Sorenson Research Co Inc
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Filing: 1964-02-11
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Granted: 1966-07-26
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Expires: 1984-02-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Karl A Pannier
- 👤 James L Sorenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:41
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/0105; A61M25/0111
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN A CATHETER PLACEMENT UNIT, A CANNULATED NEEDLE, A BUSHING ON SAID NEEDLE, A CATHETER SHEATH HAVING A LONGITUDINAL SLIT THEREIN TEMPORARILY BONDED AT ONE END THEREOF TO SAID BUSHING, CATHETER ADVANCING MEANS HAVING A PASSAGE THERETHROUGH AND ARRANGED FOR CONNECTION TO A INFUSION SYSTEM AND MOVABLE ALONG SAID SHEATH WITH A PORTION OF THE ADVANCING MEANS EXTENDING THROUGH SAID SLIT A CATHETER IN SAID SHEATH WITH ONE END ANCHORED IN THE PASSAGE OF SAID ADVANCING MEANS AND THE OTHER END WITHIN SAID NEEDLE, A NEEDLE HUB AROUND AND SPACED FROM SAID BUSHING, HOLDING MEANS IN SAID HUB TO PREVENT MOVEMENT INITIALLY OF SAID HOUSING RELATIVE TO SAID HUB, AND MEANS CARRIED BY SAID ADVANCING MEANS TO EFFECT RELEASE OF SAID HOLDING MEANS WHEN THE CATHETER IS FULLY ADVANCED, WHEREBY THE NEEDLE MAY BE RETRACTED AND SHEATHED WITHIN SAID HUB AND ADVANCING MEANS AND THE CATHETER SHEATH DISCARDED.
Claim 2
Dependent Claim
148 words
IN A CATHETER PLACEMENT UNIT, A CANNULATED NEEDLE, A BUSHING ON SAID NEEDLE, A CATHETER SHEATH HAVING A LONGITUDINAL SLIT THEREIN TEMPORARILY BONDED AT ONE END THEREOF TO SAID BUSHING, CATHETER ADVANCING MEANS HAVING A PASSAGE THERETHROUGH AND ARRANGED FOR CONNECTION TO A INFUSION SYSTEM AND MOVABLE ALONG SAID SHEATH WITH A PORTION OF THE ADVANCING MEANS EXTENDING THROUGH SAID SLIT A CATHETER IN SAID SHEATH WITH ONE END ANCHORED IN THE PASSAGE OF SAID ADVANCING MEANS AND THE OTHER END WITHIN SAID NEEDLE, A NEEDLE HUB AROUND AND SPACED FROM SAID BUSHING, HOLDING MEANS IN SAID HUB TO PREVENT MOVEMENT INITIALLY OF SAID HOUSING RELATIVE TO SAID HUB, AND MEANS CARRIED BY SAID ADVANCING MEANS TO EFFECT RELEASE OF SAID HOLDING MEANS WHEN THE CATHETER IS FULLY ADVANCED, WHEREBY THE NEEDLE MAY BE RETRACTED AND SHEATHED WITHIN SAID HUB AND ADVANCING MEANS AND THE CATHETER SHEATH DISCARDED.
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |