US4994040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Through the needle catheter insertion device and technique
Assignee: Ethicon Endo Surgery Inc
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Filing: 1990-06-05
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Granted: 1991-02-19
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Expires: 2010-06-05
Abstract
Abstract A through the needle catheter device is described which includes apparatus for threading a catheter into a blood vessel. The apparatus is irreversible during the threading process. The catheter device also includes means for irreversibly withdrawing and splitting the needle. A technique is provided for inserting the needle, threading the catheter, and withdrawing the needle from a patient.
Inventors
- 👤 Robert H. Cameron
- 👤 Robert Doman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:20
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/06; A61M25/0612; A61M25/0643; A61M25/0631; A61M25/0637
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
125 words
A through-the-needle catheter device intended for adult applications, comprising: a housing having a distal end; a hollow needle affixed to said housing and extending at least one-quarter inch from the distal end of said housing and terminating in a distal end; a catheter assembly including a catheter cannula arranged to slide through said hollow needle so that the distal end of said catheter cannula extends at least one-eighth inch from the distal end of said needle; and wherein said housing further includes means for withdrawing said hollow needle into said housing and splitting said needle, and wherein said housing further includes means for irreversibly sliding said catheter cannula through said hollow needle and out of the distal end thereof before withdrawing and splitting said needle.
Claim 2
Dependent Claim
125 words
A through-the-needle catheter device intended for adult applications, comprising: a housing having a distal end; a hollow needle affixed to said housing and extending at least one-quarter inch from the distal end of said housing and terminating in a distal end; a catheter assembly including a catheter cannula arranged to slide through said hollow needle so that the distal end of said catheter cannula extends at least one-eighth inch from the distal end of said needle; and wherein said housing further includes means for withdrawing said hollow needle into said housing and splitting said needle, and wherein said housing further includes means for irreversibly sliding said catheter cannula through said hollow needle and out of the distal end thereof before withdrawing and splitting said needle.
Claim 3
Dependent Claim
42 words
The catheter device of claim 1, wherein said housing has a body-facing side intended to oppose the body of a patient, and further comprising means for disengaging said catheter assembly from the body-facing side of said housing following withdrawal of said needle.
Claim 4
Dependent Claim
23 words
The catheter device of claim 1, wherein said hollow needle extends approximately five-eighths of an inch from the distal end of said housing.
Claim 5
Dependent Claim
40 words
The catheter device of claim 3, wherein said catheter cannula is arranged to slide through said hollow needle so that the distal end of said catheter cannula extends approximately three-eighths of an inch from the distal end of said needle.
Claim 6
Dependent Claim
40 words
The catheter device of claim 1, wherein said catheter cannula is arranged to slide through said hollow needle so that the distal end of said catheter cannula extends approximately three-eighths of an inch from the distal end of said needle.
Claim 7
Dependent Claim
122 words
A through-the-needle catheter device intended for pediatric applications, comprising: a housing having a distal end; a hollow needle affixed to said housing and extending at least three-sixteenths of an inch from the distal end of said housing; a catheter assembly including a catheter cannula arranged to slide through said hollow needle so that the distal end of said catheter cannula extends at least one-sixteenth of an inch from the distal end of said needle; and wherein said housing further includes means for withdrawing said hollow needle into said housing and splitting said needle and wherein said housing further includes means for irreversibly sliding said catheter cannula through said hollow needle and out the distal end thereof before splitting and withdrawing said needle.
Claim 8
Dependent Claim
122 words
A through-the-needle catheter device intended for pediatric applications, comprising: a housing having a distal end; a hollow needle affixed to said housing and extending at least three-sixteenths of an inch from the distal end of said housing; a catheter assembly including a catheter cannula arranged to slide through said hollow needle so that the distal end of said catheter cannula extends at least one-sixteenth of an inch from the distal end of said needle; and wherein said housing further includes means for withdrawing said hollow needle into said housing and splitting said needle and wherein said housing further includes means for irreversibly sliding said catheter cannula through said hollow needle and out the distal end thereof before splitting and withdrawing said needle.
Claim 9
Dependent Claim
42 words
The catheter device of claim 6, wherein said housing has a body-facing side intended to oppose the body of a patient, and further comprising means for disengaging said catheter assembly from the body-facing side of said housing following withdrawal of said needle.
Claim 10
Dependent Claim
21 words
The catheter device of claim 6, wherein said hollow needle extends approximately one-half inch from the distal end of said housing.
Claim 11
Dependent Claim
40 words
The catheter device of claim 8, wherein said catheter cannula is arranged to slide through said hollow needle so that the distal end of said catheter cannula extends approximately one-quarter of an inch from the distal end of said needle.
Claim 12
Dependent Claim
40 words
The catheter device of claim 6, wherein said catheter cannula is arranged to slide through said hollow needle so that the distal end of said catheter cannula extends approximately one-quarter of an inch from the distal end of said needle.
References Cited (Backward Citations)
US3262449A
Cited
US3297030A
Cited
US3335723A
Cited
US3438373A
Cited
US3463152A
Cited
US3585996A
Cited
US3598118A
Cited
US3572334A
Cited
US3677244A
Cited
US3685513A
Cited
US3677243A
Cited
US3921631A
Cited
US4037600A
Cited
US4401433A
Cited
US4581019A
Cited
US4449973A
Cited
US4529399A
Cited
US4581025A
Cited
US4610671A
Cited
US4702735A
Cited
US4743265A
Cited
US4887997A
Cited
US4772266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-02-18 | 1994-08-20 | 1995-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-02-18 | 1998-08-20 | 1999-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-02-18 | 2002-08-20 | 2003-02-19 | $7700.00 | Window Closed / Lapsed |