Patent US4220712A successfully refreshed from Google Patents.
Patent US3861393A successfully refreshed from Google Patents.
US3861393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Penetrating device for surgical drainage
Assignee: Individual
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Filing: 1973-10-17
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Granted: 1975-01-21
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Expires: 1993-10-17
Abstract
Abstract Device for surgical drainage comprising a tube of a flexible material, the end of which bears a needle intended to be inserted in flesh. This needle is hollow, at least at its end adjoining the flexible tube, and this end is fixed by shrinking it upon the corresponding end of the tube, in which was placed previously a rigid filling part.
Inventors
- 👤 Herve Durand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:19
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0067; A61M25/0068; A61M25/0069
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
81 words
A penetrating device for surgical drainage comprising a tube of flexible material; a needle adapted to be inserted in flesh and having a pointed end and an opposite hollow end portion extending over and being tightly fitted on a corresponding end portion of said tube; and a substantially ridig filling part fitted into said end portion of said tube so that said tube end portion is securely held between said tightly fitted end portion of said needle and said filling part.
Claim 2
Dependent Claim
81 words
A penetrating device for surgical drainage comprising a tube of flexible material; a needle adapted to be inserted in flesh and having a pointed end and an opposite hollow end portion extending over and being tightly fitted on a corresponding end portion of said tube; and a substantially ridig filling part fitted into said end portion of said tube so that said tube end portion is securely held between said tightly fitted end portion of said needle and said filling part.
Claim 3
Dependent Claim
68 words
A device as defined in claim 1, wherein said hollow end portion of said needle has an end edge of a diameter slightly smaller than the outer diameter of the remainder of the tube downstream of said end edge of said needle, and wherein said filling part is formed at the outer surface thereof with an annular groove substantially radially aligned with said end edge of said needle.
Claim 4
Dependent Claim
32 words
A device as defined in claim 1, wherein said needle is formed from a metallic tube the end of which opposite the tightly fitted end portion is narrowed to a sharp point.
Claim 5
Dependent Claim
16 words
A device as defined in claim 1, wherein said needle is made from light metal alloy.
Claim 6
Dependent Claim
15 words
A device as defined in claim 1, wherein said needle is made from stainless steel.
Claim 7
Dependent Claim
16 words
A device as defined in claim 1, wherein said flexible tube is made from plastic material.
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) | 1978-01-20 | 1978-07-22 | 1979-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-20 | 1982-07-22 | 1983-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-20 | 1986-07-22 | 1987-01-21 | $7700.00 | Window Closed / Lapsed |