USRE43453E1 - Detectable stainless steel needles for meat packing - Google Patents
Detectable stainless steel needles for meat packing Download PDFInfo
- Publication number
- USRE43453E1 USRE43453E1 US10/888,967 US88896704A USRE43453E US RE43453 E1 USRE43453 E1 US RE43453E1 US 88896704 A US88896704 A US 88896704A US RE43453 E USRE43453 E US RE43453E
- Authority
- US
- United States
- Prior art keywords
- stainless steel
- cannula
- martensitic
- ferritic
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0272—Electro-active or magneto-active materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/60—General characteristics of the apparatus with identification means
- A61M2205/6054—Magnetic identification systems
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
- C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/26—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for needles; for teeth for card-clothing
Definitions
- This invention relates to a new use of stainless steel.
- Stainless steel hypodermic needles are used in raising livestock to be processed in meat packing plants. The needles break leaving metal in processed meat.
- metal detectors are employed in most meat packing plants, currently they don't detect stainless steel needles in meat.
- Needles which have broken off in livestock, are a problem in processed meat. Although disposable, in the field they are used repeatedly until they snap or break off in livestock (pigs and cattle).
- the needle has a stainless steel cannula fixed in a hub. The cannula breaks away from the hub or the cannula itself breaks, and remains unrecovered in the animal. Hubs are generally plastic (often polypropylene), aluminum, or chromium coated brass. Broken needles are more common in pork than beef because of the sheer volume of pigs processed each year. Needles will be present in processed meat from all livestock subject to injection.
- the current disposable needles used in the raising of livestock are usually made of 304 stainless steel, an austenitic alloy typically about 18 to 20% chromium and 8 to 12% nickel.
- the problem is as at least as old as disposable hypodermic needles, and the meat packing industry is well aware of it.
- the problem has not been addressed by the needle manufacturers, who are also aware of the problem.
- the suggestion sometimes made that the stainless steel disposable needles should not be used in livestock raising, or at any rate not repeatedly used, is fanciful and not at all practical.
- the invention in its broadest aspect is directed to a magnetic stainless steel hypodermic needle detectable in meat by metal detectors.
- the magnetic stainless steel is preferably selected from the group of ferritic and martensitic stainless steels.
- the stainless steel may be ferritic, preferably 430 stainless steel, or it may be martensitic, preferably 420 stainless steel.
- the needle is preferably of length from 1 ⁇ 2 to 11 ⁇ 2 inches long and gauge from 14 to 20.
- the needle may be of length 1 ⁇ 2 inch and gauge 20, of length 1 inch and gauge 18, of length 11 ⁇ 2 inch and gauge 18, of length 1 inch and gauge 16, of length 11 ⁇ 2 inch and gauge 16, of length 1 inch and gauge 14, of length 11 ⁇ 2 inch and gauge 14.
- the invention is directed to the novel use of magnetic stainless steel in disposable hypodermic needles, detectable in meat by metal detectors.
- the magnetic stainless steel is preferably selected from the group consisting of ferritic and martensitic stainless steel. More preferably the stainless steel is martensitic stainless steel, conveniently 420 stainless steel. Also more preferably the stainless steel is ferritic stainless steel, conveniently 430 stainless steel.
- the invention is directed to the manufacture of disposable hypodermic needles detectable in meat by metal detectors from magnetic stainless steel.
- the magnetic stainless steel is preferably selected from the group consisting of ferritic and martensitic stainless steel. More preferably the stainless steel is martensitic stainless steel, conveniently 420 stainless steel. Also more preferably the stainless steel is ferritic stainless steel, conveniently 430 stainless steel.
- the preferred method of manufacture is cold drawing of tubular stock, which typically requires several iterations.
- the invention is illustrated but not restricted by reference to the preferred embodiments. It is well known that austenitic stainless steels are non-magnetic, and almost impossible to detect using metal detectors, which rely on distortion of an oscillating electromagnetic field. The reason is that non-magnetic stainless steel is a relatively poor conductor of electric current and has no magnetic properties and therefore not detectable.
- the stainless steel used in hypodermic needles is typically austenitic 304 stainless steel, and therefore not detectable.
- Austenitic stainless steels are iron-chromium-nickel alloys with specified but variable carbon content, which are not hardenable by heat treatment, and are regarded as non-magnetic due to the nickel present. Martensitic stainless steels are iron-chromium alloys with no or little nickel content (less than 1%), hardenable by heat treatment, and regarded as magnetic. Ferritic stainless steels are iron-chromium alloys with no or little nickel content (less than 1%), are not hardenable by heat treatment, and regarded as magnetic. Ferritic stainless steels have a lower carbon content than martensitic stainless steels. These terms are well known to those skilled in the art. 304 stainless steel is the most common grade of austenitic stainless steel. 420 stainless steel, a martensitic stainless steel, has a higher carbon content than 410 stainless steel, the most common grade of martensitic stainless steel. 430 stainless steel is the most common grade of ferritic stainless steel.
- Ferritic stainless steel which is similar in composition, but not structure, was considered as a possible alternative.
- Ferritic 430 stainless steel was available in suitable tubular form.
- a small sample of 20 gauge 1 inch disposable cannulae (needles without hubs) were made up from this material and were similarly tested and detected. Again, applicant could not be certain before testing that the needles would be detectable, and nobody else had any alterning that they would be detectable.
- First 1 inch needles were tested in 2 and 4 kilogram pork butts with bone on meat production lines using Loma and Safeline brand name metal detectors and detected on every trial. Needles were then cut in half to simulate 20 gauge 1 ⁇ 2 inch needles, which were then tested in 2 and 4 kilogram pork butts with bone. Again, the needles were easily detected on every trial, to the appreciation of observers.
- Ferritic cannulae 20 gauge 1 inch, were made up with chromium plated brass hubs as needles for injection testing.
- 430 stainless has lower tensile strength than 304 stainless so the question whether ferritic needles were as effective as austenitic needles arose.
- the ferritic needles were fitted onto a hypodermic syringe and tested by jabbing into a pork cadaver. Since the skin of pork cadavers toughens after death, the needles were tested about twenty-four hours after death. Forty-one punctures were made in the cadaver, using a single needle. When the 20 gauge needle deformed, it was finger straightened. The needle deformed with use, breaking at the forty first puncture. As far as applicant is aware this performance is comparable to existing 304 stainless needles. Since 430 stainless has less tensile strength than 304 stainless, the needle may deform and break with less use, but the practical difference is small.
- ferritic 430 stainless steel needles was made by cold drawing through a die from 2 inch diameter 3 ⁇ 8 inch wall thickness tubular stock. Some needles were fitted with brass hubs, some with plastic hubs.
- the hubs can be brass, aluminum, plastic (often polypropylene). Generally, several iterations of cold drawing are required. In the particular method used six were necessary.
Abstract
Description
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/888,967 USRE43453E1 (en) | 2000-02-09 | 2004-07-12 | Detectable stainless steel needles for meat packing |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002298277A CA2298277E (en) | 2000-02-09 | 2000-02-09 | Detectable stainless steel needles for meat packing |
US09/501,518 US6599276B1 (en) | 2000-02-09 | 2000-02-09 | Detectable stainless steel needles for meat packing |
US10/888,967 USRE43453E1 (en) | 2000-02-09 | 2004-07-12 | Detectable stainless steel needles for meat packing |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/501,518 Reissue US6599276B1 (en) | 2000-02-09 | 2000-02-09 | Detectable stainless steel needles for meat packing |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE43453E1 true USRE43453E1 (en) | 2012-06-05 |
Family
ID=29216678
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/501,518 Ceased US6599276B1 (en) | 2000-02-09 | 2000-02-09 | Detectable stainless steel needles for meat packing |
US10/888,967 Expired - Lifetime USRE43453E1 (en) | 2000-02-09 | 2004-07-12 | Detectable stainless steel needles for meat packing |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/501,518 Ceased US6599276B1 (en) | 2000-02-09 | 2000-02-09 | Detectable stainless steel needles for meat packing |
Country Status (15)
Country | Link |
---|---|
US (2) | US6599276B1 (en) |
EP (2) | EP1253961B2 (en) |
AT (1) | ATE268616T1 (en) |
AU (2) | AU2659601A (en) |
BR (1) | BR0108231A (en) |
CA (1) | CA2298277E (en) |
DE (1) | DE60103734T3 (en) |
DK (4) | DK1442661T3 (en) |
ES (2) | ES2388331T3 (en) |
HK (1) | HK1051819A1 (en) |
MX (1) | MXPA02007657A (en) |
NZ (1) | NZ520643A (en) |
PT (1) | PT1253961E (en) |
TR (1) | TR200402222T4 (en) |
WO (1) | WO2001058513A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6488668B1 (en) | 2000-11-16 | 2002-12-03 | Ideal Instruments, Inc. | Detectable heavy duty needle |
JP2002228668A (en) * | 2001-01-31 | 2002-08-14 | Shimadzu Corp | Automatic sampler |
WO2009079873A1 (en) * | 2007-12-10 | 2009-07-02 | Qiubao Pan | A special alloy needle cannula and needle for animals using the needle cannula |
CN201161027Y (en) | 2008-03-07 | 2008-12-10 | 潘秋保 | Needle tube with block member and needle for animals with the same |
US10459104B2 (en) | 2017-08-01 | 2019-10-29 | Lynn D. Jurrens | Metal ammunition detection device |
US11938309B2 (en) | 2020-07-28 | 2024-03-26 | Neogen Corporation | Hypodermic interface assembly |
Citations (49)
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US3179107A (en) | 1962-11-21 | 1965-04-20 | Becton Dickinson Co | Hypodermic unit with an improved mounting for a replaceable needle assembly |
GB1217561A (en) | 1967-05-08 | 1970-12-31 | Air Reduction | Iron base alloys and method of manufacture thereof |
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US3780734A (en) | 1971-12-10 | 1973-12-25 | G Wulff | Hypodermic syringe holder and injector device |
US3865644A (en) | 1972-04-24 | 1975-02-11 | Bofors Ab | High strength, corrosion resistant, austenite-ferrite stainless steel |
US3882849A (en) | 1974-03-25 | 1975-05-13 | Khosrow Jamshidi | Soft Tissue Biopsy Device |
USRE28713E (en) | 1962-12-10 | 1976-02-17 | Sherwood Medical Industries, Inc. | Hypodermic needle and support structure therefor |
EP0030353A1 (en) | 1979-12-10 | 1981-06-17 | SORTIMAT Creuz & Co. GmbH | Process and apparatus for manufacturing disposable cannulae |
US4409046A (en) | 1979-12-10 | 1983-10-11 | Sortimat Creuz & Co. Gmbh | Method of and an apparatus for producing disposable syringes and the disposable syringe produced |
US4449973A (en) * | 1982-06-26 | 1984-05-22 | Luther Medical Products, Inc. | Small gauge, pre-split cannula and process for manufacture |
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IE62331B1 (en) * | 1990-01-30 | 1995-01-25 | Ralville Limited | "A process for the preparation of a burger patty" |
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-
2000
- 2000-02-09 CA CA002298277A patent/CA2298277E/en not_active Expired - Lifetime
- 2000-02-09 US US09/501,518 patent/US6599276B1/en not_active Ceased
-
2001
- 2001-01-05 DK DK04009404.7T patent/DK1442661T3/en active
- 2001-01-05 TR TR2004/02222T patent/TR200402222T4/en unknown
- 2001-01-05 EP EP01901083A patent/EP1253961B2/en not_active Expired - Lifetime
- 2001-01-05 AU AU2659601A patent/AU2659601A/en active Pending
- 2001-01-05 WO PCT/CA2001/000018 patent/WO2001058513A1/en active IP Right Grant
- 2001-01-05 NZ NZ520643A patent/NZ520643A/en not_active IP Right Cessation
- 2001-01-05 MX MXPA02007657A patent/MXPA02007657A/en active IP Right Grant
- 2001-01-05 AT AT01901083T patent/ATE268616T1/en active
- 2001-01-05 EP EP04009404A patent/EP1442661B1/en not_active Expired - Lifetime
- 2001-01-05 PT PT01901083T patent/PT1253961E/en unknown
- 2001-01-05 ES ES04009404T patent/ES2388331T3/en not_active Expired - Lifetime
- 2001-01-05 DE DE60103734T patent/DE60103734T3/en not_active Expired - Lifetime
- 2001-01-05 BR BR0108231-0A patent/BR0108231A/en not_active Application Discontinuation
- 2001-01-05 ES ES01901083T patent/ES2222974T5/en not_active Expired - Lifetime
- 2001-01-05 AU AU2001226596A patent/AU2001226596B2/en not_active Ceased
- 2001-01-05 DK DK01901083T patent/DK1253961T4/en active
-
2003
- 2003-05-06 HK HK03103235A patent/HK1051819A1/en not_active IP Right Cessation
-
2004
- 2004-07-12 US US10/888,967 patent/USRE43453E1/en not_active Expired - Lifetime
-
2005
- 2005-08-30 DK DK200500200U patent/DK200500200U4/en active
- 2005-08-30 DK DK200500201U patent/DK200500201U4/en active
Patent Citations (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3179107A (en) | 1962-11-21 | 1965-04-20 | Becton Dickinson Co | Hypodermic unit with an improved mounting for a replaceable needle assembly |
USRE28713E (en) | 1962-12-10 | 1976-02-17 | Sherwood Medical Industries, Inc. | Hypodermic needle and support structure therefor |
GB1217561A (en) | 1967-05-08 | 1970-12-31 | Air Reduction | Iron base alloys and method of manufacture thereof |
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US3741198A (en) | 1971-10-12 | 1973-06-26 | Univ Temple | Radiological diagnostic method |
US3780734A (en) | 1971-12-10 | 1973-12-25 | G Wulff | Hypodermic syringe holder and injector device |
US3865644A (en) | 1972-04-24 | 1975-02-11 | Bofors Ab | High strength, corrosion resistant, austenite-ferrite stainless steel |
US3882849A (en) | 1974-03-25 | 1975-05-13 | Khosrow Jamshidi | Soft Tissue Biopsy Device |
US4508119A (en) | 1976-12-11 | 1985-04-02 | Kenkichi Tukamoto | Needle |
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US4968362A (en) * | 1986-10-08 | 1990-11-06 | American Cyanamid Company | Dark metallic product |
US4774741A (en) | 1987-02-11 | 1988-10-04 | Meat Processing Service Corporation | Method for treating slaughtered animals |
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US4969963A (en) | 1988-06-30 | 1990-11-13 | Aichi Steel Works, Ltd. | Soft magnetic stainless steel having good cold forgeability |
US5041098A (en) | 1989-05-19 | 1991-08-20 | Strato Medical Corporation | Vascular access system for extracorporeal treatment of blood |
US5000912A (en) | 1989-12-15 | 1991-03-19 | Ethicon, Inc. | Nickel titanium martensitic steel for surgical needles |
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EP1253961B1 (en) | 2004-06-09 |
NZ520643A (en) | 2003-08-29 |
ES2222974T5 (en) | 2009-11-02 |
DK200500201U1 (en) | 2005-10-14 |
DK200500200U4 (en) | 2006-05-26 |
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CA2298277C (en) | 2004-03-16 |
EP1442661A1 (en) | 2004-08-04 |
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DK1253961T4 (en) | 2009-08-31 |
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US6599276B1 (en) | 2003-07-29 |
EP1442661B1 (en) | 2012-07-11 |
DK200500200U1 (en) | 2005-10-14 |
AU2001226596B2 (en) | 2005-01-06 |
BR0108231A (en) | 2003-03-05 |
DE60103734D1 (en) | 2004-07-15 |
ES2222974T3 (en) | 2005-02-16 |
WO2001058513A1 (en) | 2001-08-16 |
CA2298277A1 (en) | 2001-08-09 |
EP1253961A1 (en) | 2002-11-06 |
DK200500201U4 (en) | 2006-05-26 |
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