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Polyesters were developed in the 1950s, and later the process of radiation sterilization was established for catgut and polyester. Polyglycolic acid was discovered in the 1960s and implemented in the 1970s. Today, most sutures are made of synthetic polymer fibers. Silk and, rarely, gut sutures are the only materials still in use from ancient times.
The Greeks also acknowledged the importance of wound closure, and were the first to differentiate between acute and chronic wounds, calling them "fresh" and "non-healing", respectively. Galen of Pergamum, a Greek surgeon who served Roman gladiators circa 120–201 A.D., made many contributions to the field of wound care. [9]
Reinforced skin closures: These are sterile skin closure strips that are made of a porous, non-woven backing coated with a pressure-sensitive, hypoallergenic adhesive and reinforced with polyester filaments for added strength. They provide general wound support for increased tensile strength and finer wound edge approximation.
Gut strings were being used in surgery as medical sutures as early as the 3rd century AD as Galen, a prominent Greek physician from the Roman Empire, is known to have used them. [4] Al-Zahrawi (936–1013) was the first to use catgut for internal stitches. [5]
Paul Pressey was the first full-time point forward. Pressey played this new position full time in 1984-85 and averaged 6.8 assists, good for 17th in the NBA.
2004: First podcast, invented by Adam Curry and Dave Winer, is a program made available in digital format for download over the Internet and it usually features one or more recurring hosts engaged in a discussion about a particular topic or current event. [544] [545] [546] 2005: YouTube, the first popular video-streaming site, was founded
The first commercial staplers were made of stainless steel with titanium staples loaded into reloadable staple cartridges. Modern surgical staplers are either disposable and made of plastic, or reusable and made of stainless steel. Both types are generally loaded using disposable cartridges. The staple line may be straight, curved or circular.
The "25 Million Stitches" project hopes to shed light on the global refugee crisis. An exhibit in Cedarburg was made possible by thousands across the world.