



Sutures, surgical needles and wound-closing adhesives play a crucial role in recovering from surgery
By Larry Greenemeier | May 13, 2009 | 4
Ethicon, Inc., makes enough suture thread annually to wrap around the world 20 times along the equator, says Ed Dormier, the company's vice president for new technology....[More]
Ethicon, Inc., makes enough suture thread annually to wrap around the world 20 times along the equator, says Ed Dormier, the company's vice president for new technology. In addition, Ethicon makes more than a million surgical needles daily. Each type of suture contains anywhere from 100 to several thousand filaments, each about 10 microns in diameter, braided together. (A micron is about 40 millionths of an inch.) [Less] [Link to this slide]
Surgical needles are as diverse as the sutures themselves, with some no larger than an eyelash and others nearly the length of an index finger. Many of these needles are made from steel (Ethicon has its own patented Ethalloy steel)....[More]
Surgical needles are as diverse as the sutures themselves, with some no larger than an eyelash and others nearly the length of an index finger. Many of these needles are made from steel (Ethicon has its own patented Ethalloy steel). The smallest needles, measuring 2.8 thousandths of an inch (less than 70 microns) in diameter, are used to repair nerves, whereas thicker needles (such as the one shown here) are required for stitching up tougher body parts, such as the sternum. "The sharper the needle, the finer the cut, and the faster it heals," says Frank Cichocki, an Ethicon staff engineer. [Less] [Link to this slide]
Available in Europe since 2007, Ethicon's Prineo Skin Closure System combines self-adhering mesh and a topical skin adhesive as an alternative to sutures in some instances....[More]
Available in Europe since 2007, Ethicon's Prineo Skin Closure System combines self-adhering mesh and a topical skin adhesive as an alternative to sutures in some instances. Prineo is designed to hold a wound together even when the body exerts pressure on the opening. The system is capable of withstanding 150 pounds per square inch of pressure, roughly the equivalent to what it would experience if the patient were running, jumping and coughing, says Upvan Narang, director of marketing for Ethicon's New Product Development division. [Less] [Link to this slide]
Surgeons often use pieces of mesh to repair a protruding wound, such as a hernia. This mesh consists of polymer fibers woven together in patches that adhere to a wound area....[More]
Surgeons often use pieces of mesh to repair a protruding wound, such as a hernia. This mesh consists of polymer fibers woven together in patches that adhere to a wound area. As the wound heals, "the body itself provides the spackle" that holds the mesh in place, Dormier says. Ethicon in 2001 introduced a softer version of its Prolene mesh designed to retain the strength of the original mesh while being more comfortable for the patient. As the wound heals, some strands of the mesh are even absorbed by the body. Newer UltraPro Mesh, which Ethicon says is the only partially absorbable mesh available in the U.S., is constructed of both nonabsorbable and absorbable materials. [Less] [Link to this slide]
Sutures and mesh are made from polymer chips like the ones seen here. They are later stretched into fibers and woven together into braided sutures and mesh patches that adhere to a wound area.
[Link to this slide]
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4 Comments
Add CommentThere is the new revolutionary INSORB technology for wound closure that is growing in acceptance as a superior modality for surgical wound closure, offering the speed of metal staples with the comfort and cosmesis of absorbable sutures. INSORB technology can rapidly place miniature absorbable staples in the dermis beneath the skin surface holding the wound securely and not apparent to the patient. The staples dissolve after the wound is healed and leave less scar than typically seen with sutures or metal staples. Visit insorb.com
Reply | Report Abuse | Link to thisfor more information on this exciting and novel technology.
I had surgery to repair an aortic aneurism (life threatening) last year. All I can say is that my surgeon did an outstanding job - considering that he had to bisect across the entire abdominal muscle and then "go in" manually all the way to the aorta which lies against the spine.
Reply | Report Abuse | Link to thisAdvised beforehand that I'd be in ICU for 1 to 3 days: I was out in just a few hours and awake 7 hours after surgery began. Damned miraculous what they can do today! Only - those darned steel staples (54 of 'em) were "annoying" for the next couple of weeks.
Anyway: the Science that goes into Medicine - which keeps many people alive who otherwise would die - is reason enough to side with scientists and doctors over "faith based" anything.
Regarding the problem of leaky dura mater closures: Rain gear manufacturers have been using a flexible glue-like seam sealant to keep the water from seeping through the needle holes for years.
Reply | Report Abuse | Link to thisCould the Prineo or similar material mentioned in the article serve the same purpose?
About a year ago I had surgery for the removal of a run-away parathyroid gland. While I was still in recovery, I received a "get well" card from my brother-in-law which featured a drawing of someone wrapped in duct tape and a sentiment hoping that I was feeling better. Shortly thereafter when I was somewhat mobile, I saw myself in the bathroom mirror. Lo and behold, there were a series of vertical strips running from one side of my neck to the other which looked very much like duct tape. I don't know exactly what these were, but after they were removed a week or two later, there is no scar that I can find, there was absolutely no pain at all, and I feel a hell of a lot better.
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