| 1/28/2019, Orthopedic Surgeons Recommend Knee Replacements When a Little Exercise May Be All That is Needed | 1/22/2019, Artificial Knee Manufacturers Battle With Patient Knee Infections | 1/17/2019, Knee Replacement Infections May Necessitate Amputation | 1/14/2019, Overweight Knee Replacement Candidates Should Consider Other Options | 1/9/2019, The DePuy Revision Knee Can Come Unglued Just as Easily as the Original Device | 1/7/2019, DePuy Knee Replacement Can Be Complicated by Osteoporosis | 1/3/2019, Knee Replacement Patient Should Lower Their Expectations | 12/18/2018, Medical Device Sales Representatives Are Present In Knee Replacement Operating Rooms | 12/13/2018, Knee Pain Patients Are Urged To Investigate Stem Cell Therapy Before Agreeing To Knee Replacement Surgery | 12/10/2018, The Risk of Infection May Outweigh the Benefits of the DePuy Knee Replacement Device | 11/29/2018, The FDA Failed to Adequately Test The DePuy Knee Replacement Device | 11/26/2018, DePuy Knee Patients Should Know When Enough is Enough | 11/9/2018, Senior Citizens Should Seek a Second Opinion for a Doctors Knee Replacement Advice | 11/2/2018, Senior Citizens With Osteoporosis May Want To Avoid Knee Replacement | 10/30/2018, DePuy Synthes Addressed the Failed DePuy Knee Due to Infections | 10/29/2018, Knee Replacement Market Estimated to Reach $10 billion Annually by 2024 | 10/24/2018, DePuy Targets Older Senior Citizens With The Revision Knee | 10/18/2018, Failed Knee Replacements Can Lead to Leg Amputation | 10/12/2018, Arthritis Knee Pain and Total Knee Replacement Surgery | 10/10/2018, Debonding, Infections, and Metal Hyper-Sensitivity Can Require DePuy Knee Replacement Revision Surgery | 10/1/2018, DePuy Blames Glue For Knee Replacement Device Failures | 9/28/2018, Arthritis Sufferers Should Think Twice Before Jumping Into Knee Replacement | 9/27/2018, The Meager Benefits of the DePuy Revision Knee Replacement Device | 9/25/2018, Lawsuit Alleged DePuy Failed to Recall the Knee Replacement Device | 9/22/2018, Alternatives to Knee Replacement Surgery for Senior Citizens | 9/19/2018, Blood Test Results May Be An Early Warning That An Artificial Knee Is About To Fail | 9/17/2018, The New DePuy Revision Knee Replacement System | 9/13/2018, Doctors May Be Overselling The Benefits of Knee Replacement Surgery | 9/10/2018, Total Knee Replacement Questions and Answers | 8/31/2018, Medical Device Studies Are Looking More Like Infomercials | 8/27/2018, Metal Hypersensitivity Can Cause DePuy Knee Failure | 8/24/2018, DePuy Knee Replacement System is sold primarily to senior citizens in spite of the product's age warning | 8/17/2018, Tibial Fractures and Loosening Cause DePuy Knee Failure | 8/15/2018, Cobalt Poisoning in Knee Replacement Patients | 8/13/2018, Report DePuy Knee Replacement Malfunctions Using The FDA's MAUDE System | 8/8/2018, A Physically Active Generation Demands More Knee Replacement Surgeries | 8/6/2018, Senior Citizens Will Require More From The DePuy Knee Replacement Device Than Merely Playing With The Grandkids | 8/2/2018, Setting the DePuy Revision Knee Terminology Straight | 7/30/2018, Senior Citizens Are Urged To Put Off DePuy Knee Surgery Unless Absolutely Necessary
According to our Researcher latest study, the global Total Knee Replacement Revision System market size was valued at USD million in 2022 and is forecast to a readjusted size of USD million by 2029 with a CAGR of % during review period. Thats amazing. Mobilizing to help coworkers in need. Joint Arthroplasty/Knee(Resources) - Online Learning | Johnson These included Biomet Vanguard (Zimmer Biomet, Warsaw, Indiana) in 211 patients, DePuy/Johnson & Johnson Sigma (DePuy Synthes, Raynham, Massachusetts) in 222, Exactech Optetrak Logic (Exactech, Gainesville, Florida) in 1508, Smith & Nephew Genesis II (Smith & Nephew, London, United Kingdom) in 1415, and Zimmer NexGen (Zimmer Biomet) in 779 The problem with this medical device is that it was designed with a smooth surface. Treatment and Implant Prices Total Knee Replacement Coronorary Stents Covid Treatment Charges Our prices for Total Knee Replacement implants to Patients are as follows (As on: 26 Sep 2017): TKR Primary TKR Revision XVI/612, Lakeshore Hospital and Research Centre Ltd, Ernakulam, Kerala - 682040 109 0 obj
<>/Filter/FlateDecode/ID[<03264C2FF3AC48DE92D3CC17CF6ACD9E><21AA4D7B371D504A9AB4BFB5B5046374>]/Index[90 30]/Info 89 0 R/Length 93/Prev 308938/Root 91 0 R/Size 120/Type/XRef/W[1 2 1]>>stream
Lawsuits against Johnson & Johnson alleged that the long-term use of Johnson's Baby Powder has been linked to ovarian cancer in women. Johnson & Johnson's DePuy Synthes: Orthotaxy DePuy Synthes last year bought Paris-based Orthotaxy, which is expected to launch an ortho-surgery robot in 2020. The surgery itself took a little over an hour. <br><br>I am a Biomedical Engineer with experience in the medical devices industry.<br><br>I worked as a Quality Engineer for the . Based in Warsaw, Indiana, the company revolutionized the way orthopaedic injuries and conditions were treated. Knee Replacement Surgery | Total Knee | DePuy Synthes - J&J MedTech There are several types of DePuy knee replacements, each designed to meet the specific needs of patients. Contact Information 700 Orthopaedic Drive Warsaw, IN 46582 (800) 473-3789 Email: RA-DPYUS-Customer@its.jnj.com 3 Smith+Nephew Xxa,Fb?/nQw8ilvs -hm:IgD)NLNq*#|m%Jq&>ZAU98^6ia9
k|/}|"5 :
E>>o{zXav
Nz'
_,{`{aWgTHX>qo-C97!>4mKO[x;sGY'nHY$[7}e eWV. The Australian Joint Replacement Registry (ANJOARR) is a joint replacement registry administered by the Australian Association of Joint Replacement. Leeds, England, United Kingdom. /.)1%XCn 19/nF'c~KW5:zHcw3jV X(f-^(2|mI/9~? The DePuy knee implant is a total knee replacement (TKR) device. Medical devices have been linked to a variety of injuries, including bone fractures, nerve damage, infection, and other problems. DePuy Knee Replacement Recall | Recall Report I was one of the first people to receive the implants, and I was excitednot only to get new knees, but also to experience how well they performed. But, eventually, it got to the point where Id feel good for maybe a day or two after the shots, and that was it. In the latest Johnson & Johnson case, DePuy said in a statement that it was recalling two products: the ASR XL Acetabular System, a hip socket used in traditional hip replacement, and the. I had so much scar tissue in my left knee that it was hard for the doctor to even inject the cortisone. HdWI6c^O){ESW9T)j)d9iS@Im=Iy}d%orjjEQ*Vj}9(T5u$- e9]@Uu,i_T Z& )>j;6a!~ H'X9\9bRhr'`)pN:1pZwe`F;V zB:A6#Eg;t>ZjC]}=Ev~TaLk(Ng^p $&%g/v;Auk
Lm)$I)JK
.GgxF 8=[QtnxMb;#?U1qF=@8 y4p1#t@wn{N*N l)@f/G}xS5X=1hL=l!|v$PF& I\B#AY9wMOYqgEN`*mbXtH":94r4kF"Z.l0"mqg`!U`]_U?4bY"*ehX2Lkn!TW2U^u.CBd}.@Z@|JU*BxwF^8*a4W&=R[^z#OAzT"g
P#jVG4T"jRK` ,L)J7u*^[O,YFO`BO1A?P`z
= Fun fact: DePuy Synthes also makes a metal plate and screw combination that's used to fix dogs' faulty knees . TKR treatment is thought to allow many people to resume their normal activities almost immediately. DePuy Knee Replacement Lawsuit - DePuy Attune & DePuy Sigma Please use the form below to contact our Product Liability Litigation Group or call toll free 24 hours a day at (866) 920-0753. endstream
endobj
startxref
Monday, July 31, 2017 - When you earn close to 100 billion dollars per year, year in and year out, settling a lawsuit for one or two billion dollars is merely a cost of doing business. We provide legal services without charge for free in the event of a lawsuit victory or settlement. The Class 1 recall was sent to healthcare professionals and concerns the DePuy LPS Knee Replacement. Orthopedic Joint Replacement Market SWOT Analysis, Size program for DePuy Synthes' 125th anniversary and actively contributing to an integrated branded campaign targeting knee replacement surgeons and patients. It is not normal to experience pain after having a Depuy knee replacement and if you do you need to contact your doctor immediately. At 3 weeks postoperatively, the patient reported increasing knee pain and was found to . Johnson & Johnson has been granted the Employer of Choice for Gender Johnson & Johnson is a holding company, with operating companies conducting business in virtually all countries of the world. DePuy Knee Replacement Side Effects | Recall Report 'oo._]U_b@*JtC1= Im also sleeping better, and my back hurts less, too. The Stabilized Knee System is intended to provide a more natural knee function. 2009 - 2013. DePuy's Troubling Defects Learning of the alarming number of knee replacement recalls made by DePuy comes as no surprise to me. In May of 2016, the FDA forced a recall of Johnson's Physiomesh hernia repair device because of numerous complaints and lawsuits resulting from a high rate of complications. It doesn't matter that 67.6% of patients suffered DePuy knee device failure within five years of implantation, a multiple of more than 10 fold over the expected early failure rate. The FDA has reviewed the data and has concluded that the benefits of these devices outweigh the risks. The global knee replacement market size was valued at USD 9.45 billion in 2019 and is projected to reach USD 12.48 billion by 2027, exhibiting a CAGR of 4.3% during the forecast period. Following surgery, general health questions about the patients condition are included in the data. Our team of experts, doctors, and orthopedic specialists are here to share their knowledge and experience with you in order to help you make informed decisions about your health and well-being. Complications are possible if a second surgery is required to adjust or replace an implant. When things hurt, I just took ibuprofenmy kids called them Dads M&Ms. And I got cortisone shots every three to six months. Ardent about people, product, and processes. Cementless technology supports growing trend of younger, more active patients undergoing knee replacement WARSAW, IN, Sept. 9, 2019 - Johnson & Johnson Medical Devices Companies* announced today that DePuy Synthes** is launching the ATTUNE Cementless Knee in a rotating platform option in select markets around the world. The minimally invasive technique for the replacement of the entire knee, also known as minimally invasive quadriceps prosthetic total knee replacement, allows surgeons to insert the same time-tested knee replacement implants through a shorter incision with surgical approaches that avoid trauma to the quadriceps muscles (see figure 1). Dan Rumple, as told to Virginia Sole-Smith, "Is My 'Check Engine' Light On? Dr. Fisher advised me not to get too crazy until July, and Ive been following his adviceas much as it kills me. DePuy Synthes Attune Knee System ( Johnson & Johnson) Exactech Optetrak Knee Replacement Duracon Unicompartmental Knee Stryker ShapeMatch Cutting Guides (not a knee joint component itself, but a tool used in knee surgery) Individuals who have suffered complications from these devices should consider legal action. Johnson & Johnson primary focus is products related to human health and well-being. If you have pain and have to have revisionary surgery, you can file a lawsuit against Johnson and Johnson for compensation for medical expenses, physical therapy, lost wages and pain and suffering. HlWn\7rYH=}M("&i;E~P3mf%>)vyKIUfJxvy?JtxK.jpR%.'5oO]~=|#?/-+.~?|G8/}/Yy^F*ypg[^]m]['J!>lw2{f#}z>n%8jIi2fyxZ^k1rM{y%=n4a$=p"QJ\!y#aVdSc=w!e}:${L
=$N5
ZhxF*=`@*`k}#$K|G|Y}.GngXI j`3fb5zb"fqfi3ywX?CB]VZR,--{=#I]tHw\V@nfH
YE^+3$~#bT4sp/$a$w $iTB,!#a4\}mXQQz &" o+p MAUDE Adverse Event Report: JOHNSON AND JOHNSON DEPUY LCS COMPLETE KNEE Please see our Privacy Policy. But I am excited to be working out again, and to be back to chasing my 3-year-old grandson around. Quora User Orthopedic Surgeon, spine surgeon Author has 11.7K answers and 33.1M answer views 4 y Related Is any major advancement in total knee replacement surgery expected in the next 10 years? But various programsincluding ones sponsored by Johnson & Johnsonare working to help level the playing field. In response to these reports, the FDA has conducted an investigation and has concluded that there is no need for a recall of these devices. Susan November 8, 2022 at 4:58 pm. Summary. Founded in 1895 by chemist and pharmaceutical salesman Revra DePuy, DePuy was the world's first orthopaedics company. Johnson & Johnson (NYSE: JNJ) has approximately 152,700 employees . This frequently causes symptoms that make it difficult to perform simple tasks like walking, sitting in a chair, or getting out of a car. Other types of DePuy knee replacements include partial knee replacements, which only replace the damaged portion of the joint, and revision surgery, which replaces a previous joint replacement that has failed. He said this one would be worse than the first. Primary Total Knee Arthroplasty (TKA) is a fairly common surgery today. J&J Hip Implant Linked to 37% Five-year Failure Rate Doctors have implanted . You should view the News section and the most recent SEC Filings in the Investor section in order to receive the most current information made available by Johnson & Johnson Services, Inc. Among its inventions were the first hip and knee replacement implants. Aug 2022 - Present7 months. The WGEA EOCGE citation is the gold standard certification recognising employers who are committed to making positive, measurable improvements in workplace gender equality. According to Zimmer, the worlds leading manufacturer of knee implants, more than 25% of knee implants worldwide are made by its products. J.&J. Recalls Hip Implants - The New York Times Of course, back then, when I was in my early 30s, I didnt really believe Id ever need a new knee. This recall affects 3475 DePuy knee Tibial Articulation Surface Instruments. DePuy Synthes, a division of The orthopaedics Company of Johnson & Johnson, has one of the most comprehensive portfolios of orthopaedics available on the market. Orthopedic Veterinary Implants Market, Global Outlook and Forecast 2022 All contents Copyright Johnson & Johnson Services, Inc.1997-2023. You may also notice that your knee feels warm to the touch or that you have difficulty straightening your leg. DePuy Synthes Companies of Johnson & Johnson Oct 1993 - Dec 1999 6 years 3 months Bloemfontein Area, South Africa and Johannesburg Area, South Africa Now I get to say that I helped design an implant for a knee that let a lady walk her daughter down the aisle at her wedding. DePuy Orthopaedic Inc., a unit of Johnson & Johnson Additional Details The LPS is an end-stage revision knee product which allows surgeons to reconstruct severe soft tissue damage and bone defects which result from tumors, severe trauma, infection and difficult revision arthroplasty. Other Attune parts are also made of DePuys own polyethylene. We are specialists in knee implant defect lawsuits, with offices in Natchitoches, Louisiana and a national network of attorneys. {
If a patient discovers or suspects that their implant is faulty, or if they suspect it is, the implants of Salim-Beasley, LLC are ready to assist them. I stayed in the hospital for four days, then headed home to continue my recovery, which included regular physical therapy sessions. Development is constantly taking place to design a knee replacement implant that will be both reliable and last a long time . Attune Femoral Component-Highflex Hi Flex Attune TOTAL KNEE REPLACEMENT SYSTEM Patella MBT Keel Cem Tibial Tray-COCR PFC RPF Tibial Insert High Flex PS 150 TOTAL KNEE REPLACEMENT SYSTEM. Final Report will add an analysis of the impact of the Russia-Ukraine War and COVID-19 on theJoint Replacement industry. More than 1,000 implants have been recalled as a result of recalls involving DePuy, Zimmer- Biomet, and Stryker knee implants. Liam Fleming Nicol - Made To Order (MTO) Project Engineer - Johnson Kyle Flakne, EIT - Staff Design Engineer, Digital Surgery - LinkedIn The DePuy knee device should not be held in place with surgical glue to the tibia bone. Clinically focused with an in-depth knowledge of surgical procedures, medical devices, and medical terminology. If you use your artificial knee moderately, you will almost certainly have it last for a long time. The FDA discovered that not only did the components not receive approval, but that they had been altered and posed a risk to the patient. Zimmer is the most widely used manufacturer of knee replacement products. 2021-Jul: Depuy Synthes, a Johnson & Johnson's orthopedics company, released VELYS Robotic Assisted Solution for knee replacement surgery across Australia. Because the implants are fixed, it is best for patients who are not overweight or inactive. We are an online blog dedicated to providing comprehensive and accurate information about orthopedics and injury prevention. For over a century, Johnson & Johnson has been at the forefront of healthcare. But I couldnt wait to test things out. According to company marketing material "A knee that can help patients get back sooner". The fixed-bearing implant is the most common type of knee replacement implant. - Leading the MTO value stream Continuing Care, facilitating the manufacturing of patient specific medical devices, compiling case history files and regularity documentation, and liaising with customer to deliver parts on time. Learn about the extraordinary ways these trailblazers made a difference in 2022. If you were injured during a knee replacement surgery, you may wish to consult with an attorney. The DePuy Synthes Companies offer a comprehensive portfolio of knee replacement systems to meet the needs of patients and surgeons. Welcome to Brandon Orthopedics! Orthopedic Implant Manufacturers and Supply Companies - Verywell Health ;~(nDc1nw&}E`tIDlY9}cP|8"1C0 tbrCj!j0Tf8!uw2+L$}@rVRk>H\_P/Q*~6>2@}|mK;~*7O\>#\~q\
q`. If you had told me in college that Id end up designing my own knee replacement, I might not have believed you. Specifically, the FDA has warned that some Stryker knee replacements may loosen prematurely, causing pain and instability. This resulted in revision surgery to remedy the previous surgery, only a year after it was performed. Johnson & Johnson has reported a 3.5% growth in their knee replacement systems, and have attributed this growth from the ATTUNE knee system. It is less invasive and requires less tissue than a Traditional Knee Replacement (TKR). Our attorneys have received the prestigious distinction of Best Lawyers in America, and we are active members of the Arizona Association of Justice. DePuy Synthes Trauma Launches Radial Head Prosthesis DePuy Synthes, the maker of the knee replacement device is a part of the Johnson & Johnson Medical Devices group which has been responsible for other medical device failures in the past. This type of surgery is more difficult to perform and requires a more specialized set of techniques and instruments. Johnson & Johnson Acquires DePuy | Johnson & Johnson Our Story H\0XXJ\G}(>9hW*Rg%r8\c48cc^nc!>+Jvgc0OnV+c*yM|>>DW2nX-r[eooece%=XZ|b!q +\[>iHi=\Kr d`#~M^#t8BA t8F~37An s&x[ssssssssss`VYzx*k*j*k*j*k*j*k*j*k*j>(2Q2E&L(32E&D31db7
Fo7
Fo7
rQWU\..f4}|I>6hLi.Kpe ! Premature failure of the device affected thousands of hip replacement patients, forcing them to undergo revision surgery. DePuy Synthes recalled 278 knee implant devices and components between 2002 and 2013. DePuy Synthes Companies Knee Replacement A design intended to help preserve your knee's natural movement The DePuy Synthes Companies knee has been Johnson and Johnson Past Product Failures - DePuy Knee Lawsuit It recognises organisations that have strong supportive structures for working families; concrete actions to address pay inequalities; and strategic recruitment, promotion and retention practices that encourage the full . Senior Mechanical Design Engineer - Hip Group. All those shots and pain relievers were just treating my symptoms, not the problem. Metal shavings from the metal on metal contact of the ball joint further inhibit the optimal working of the product and these metal shaving can cause irritation and infection in the surrounding tissues. Rotating knee replacement implants are a choice for total knee replacement surgery, a procedure done to replace worn-out cartilage of the knee joint with a metal and plastic implant. | 1/28/2019, Orthopedic Surgeons Recommend Knee Replacements When a Little Exercise May Be All That is Needed | 1/22/2019, Artificial Knee Manufacturers Battle With Patient Knee Infections | 1/17/2019, Knee Replacement Infections May Necessitate Amputation | 1/14/2019, Overweight Knee Replacement Candidates Should Consider Other Options | 1/9/2019, The DePuy Revision Knee Can Come Unglued Just as Easily as the Original Device | 1/7/2019, DePuy Knee Replacement Can Be Complicated by Osteoporosis | 1/3/2019, Knee Replacement Patient Should Lower Their Expectations | 12/18/2018, Medical Device Sales Representatives Are Present In Knee Replacement Operating Rooms | 12/13/2018, Knee Pain Patients Are Urged To Investigate Stem Cell Therapy Before Agreeing To Knee Replacement Surgery | 12/10/2018, The Risk of Infection May Outweigh the Benefits of the DePuy Knee Replacement Device | 11/29/2018, The FDA Failed to Adequately Test The DePuy Knee Replacement Device | 11/26/2018, DePuy Knee Patients Should Know When Enough is Enough | 11/9/2018, Senior Citizens Should Seek a Second Opinion for a Doctors Knee Replacement Advice | 11/2/2018, Senior Citizens With Osteoporosis May Want To Avoid Knee Replacement | 10/30/2018, DePuy Synthes Addressed the Failed DePuy Knee Due to Infections | 10/29/2018, Knee Replacement Market Estimated to Reach $10 billion Annually by 2024 | 10/24/2018, DePuy Targets Older Senior Citizens With The Revision Knee | 10/18/2018, Failed Knee Replacements Can Lead to Leg Amputation | 10/12/2018, Arthritis Knee Pain and Total Knee Replacement Surgery | 10/10/2018, Debonding, Infections, and Metal Hyper-Sensitivity Can Require DePuy Knee Replacement Revision Surgery | 10/1/2018, DePuy Blames Glue For Knee Replacement Device Failures | 9/28/2018, Arthritis Sufferers Should Think Twice Before Jumping Into Knee Replacement | 9/27/2018, The Meager Benefits of the DePuy Revision Knee Replacement Device | 9/25/2018, Lawsuit Alleged DePuy Failed to Recall the Knee Replacement Device | 9/22/2018, Alternatives to Knee Replacement Surgery for Senior Citizens | 9/19/2018, Blood Test Results May Be An Early Warning That An Artificial Knee Is About To Fail | 9/17/2018, The New DePuy Revision Knee Replacement System | 9/13/2018, Doctors May Be Overselling The Benefits of Knee Replacement Surgery | 9/10/2018, Total Knee Replacement Questions and Answers | 8/31/2018, Medical Device Studies Are Looking More Like Infomercials | 8/27/2018, Metal Hypersensitivity Can Cause DePuy Knee Failure | 8/24/2018, DePuy Knee Replacement System is sold primarily to senior citizens in spite of the product's age warning | 8/17/2018, Tibial Fractures and Loosening Cause DePuy Knee Failure | 8/15/2018, Cobalt Poisoning in Knee Replacement Patients | 8/13/2018, Report DePuy Knee Replacement Malfunctions Using The FDA's MAUDE System | 8/8/2018, A Physically Active Generation Demands More Knee Replacement Surgeries | 8/6/2018, Senior Citizens Will Require More From The DePuy Knee Replacement Device Than Merely Playing With The Grandkids | 8/2/2018, Setting the DePuy Revision Knee Terminology Straight | 7/30/2018, Senior Citizens Are Urged To Put Off DePuy Knee Surgery Unless Absolutely Necessary
Open, not accepting clients About He did not tell a lie. There are two types of Attune knee replacements: metal and plastic ones. DePuy Synthes has added two new innovations to its ATTUNETM knee portfolio. Attune was marketed by DePuy Synthes as a safe and dependable knee replacement that relieves pain while also improving mobility. So even as a teenager, I started to have problems. I was on the football, basketball and track teams in high school and middle school, and I competed in high jump and long jump events, primarily using my left knee. It does not have to revise any forward-looking statement based on new information or future events. Increasing diverse representation in clinical trials. A brief discussion of some of the claims that Johnson and Johnson, DePuy Orthopedics, and Sulzer AG are facing over their hip and knee implants Recent advances in knee surgery ?\&1OkMt~s,,tRmK8v jT)j
tM~l;@bYR.//M b0Fe$I*6nD]g6onxhgM0T8{h{gA=FhCg'_Izs?HS:eZGO|$|y5tU~<=gGq~iu(z,q=w^tnuUo;? The . DePuy Attune Knee Replacements - Tibial Loosening - Drugwatch.com When I showed him X-rays of my knees that I'd saved on my phone from five years earlier, he took one look and said, Make an appointment..
Beth Wolfe Mike Wolfe's Sister, Articles J
Beth Wolfe Mike Wolfe's Sister, Articles J