Medical Terminology Daily (MTD) is a blog sponsored by Clinical Anatomy Associates, Inc. as a service to the medical community. We post anatomical, medical or surgical terms, their meaning and usage, as well as biographical notes on anatomists, surgeons, and researchers through the ages. Be warned that some of the images used depict human anatomical specimens.

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A Moment in History

Jean-Louis Petit

Jean Louis Petit
(1674 – 1750)

French surgeon and anatomist, Jean Louis Petit was born in Paris in on March 13, 1674.  His family rented an apartment at his house to Alexis Littre (1658 – 1726), a French anatomist. Petit became an apprentice of Littre at seven years of age, helping him in the dissections for his lectures and at an early age became the assistant in charge of the anatomic amphitheater.

Because of Petit’s dedication to anatomy and medicine, in 1690 at the age of sixteen, became a disciple of a famous Paris surgeon, Castel.

In 1692, Petit entered the French army and performed surgery in two military campaigns. By 1693 he started delivering lectures and was accepted as a great surgeon, being invited to the most difficult operations.  In 1700 he was appointed Chief Surgeon of the Military School in Paris and in the same year he received the degree of Master of Surgery from the Faculty of Paris.

In 1715 he was made a member of the Royal Academy of Sciences and an honorary member of the Royal Society of London. He was appointed by the King as the first Director General of the Royal Academy of Surgery when it was founded in 1731.

Petit’s written works are of historical importance.  “Traite des Maladies des Os” ( A Treatise on Bone Diseases);  “Traite des Maladies Chirurgicales et des Operation” (A Treatise on Surgical Diseases and their Operations” This last book was published posthumously in 1774. He also published a monograph on hemorrhage, another on lachrymal fistula, and others.

He was one of the first to perform choIecystotomy and mastoidotomy. His original tourniquet design for amputations saved many in the battlefield and the design of the same surgical instrument today has not changed much since its invention by him.

His name is remembered in the lumbar triangle, also called the "triangle of Petit", and the abdominal hernia that can ensue through that area of weakness, the lumbar hernia or "Petit's hernia".

Sources:
1. “Jean Louis Petit – A Sketch of his Life, Character, and Writings” Hayne, AP San Fran Western Lancet 1875 4: 446-454
2. “Oeuvres compl?tes de Jean-Louis Petit” 1837 Imprimerie de F. Chapoulaud
3. Extraits de l'eloge de Jean-Louis Petit Ius dans Ia seance publique de I' Academie royale de chirurgie du 26 mai 1750” Louis A. Chirurgie 2001: 126 : 475- 81


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Mark M. Ravitch, MD


This article is part of the series "A Moment in History" where we honor those who have contributed to the growth of medical knowledge in the areas of anatomy, medicine, surgery, and medical research.To search all the articles in this series, click here.

Mark M. Ravitch M.D.(1910-1989) American surgeon, historian, teacher, author, innovator, and visionary, Mark Mitchell Ravitch was born in 1910 in New York City. His parents were Russian immigrants, allowing to be fluent in Russian, which opened the doors to one of his many contributions to medicine and surgery: modern surgical stapling.

In 1934, Dr. Ravitch obtained his MD from Johns Hopkins, continuing in the same institution as a surgical intern, and later as a pediatrics resident, where he worked with Dr. Alfred Blalock, eventually becoming a professor of Surgery at Johns Hopkins, moving later to the Baltimore City Hospital. From 1943 to 1946 Dr. Ravitch was a surgeon in the Army.

He moved to the University of Chicago where from 1966 to 1969 he was professor of pediatric surgery and chief of pediatric surgery. His later and last move was to Pittsburgh, where he was professor of surgery at the University of Pittsburgh, and surgeon-in-chief at the Montefiore Hospital in Pittsburgh.

Dr. Ravitch is known for many important contributions to surgery, especially pediatric surgery, where he pioneered a procedure (today eponymic) to repair pectum excavatum in children, as well as research and develop a of nonoperative procedure to reduce intussuception using hydrostatic pressure reduction with barium enema. For this and many contributions he is known as one of the founding fathers of pediatric surgery.

Mark M. Ravitch
Dr. Ravitch's image courtesy of his family. 

A prolific writer and visionary, Dr. Ravitch authored 453 papers, 101 book chapters, 22 books, and served as editor of nearly 20 medical journals. In some of his writings he presented his vision for the development of surgery, even to the point of predicting heart transplantation surgery. Dr. Ravitch also was a surgical historian, with a wonderful library that was donated to the University of Pittsburgh upon his death.

In the medical industry Dr. Mark Ravitch is probably best know for bringing to the USA from the then USSR, the technology of surgical stapling. In 1958, while visiting Kiev, Dr. Ravitch and three other American physicians were shown the use in surgery of a bronchial surgical stapler developed in the USSR. They were able to procure one of these devices and bring it back to the USA. An American entrepreneur, Leon Hirsch, obtained the patents for these devices, founded the United States Surgical Corporation (now the Covidien Surgical Devices Division) and continued the development of the reusable and later the disposable surgical staplers. During the research Dr. Ravitch was joined by Dr. Felicien Steichen (1926 - 2011). Both Drs. Ravitch and Steichen were instrumental in the research and development of these modern surgical devices, making them part of the history of surgical stapling. Their work set the stage for the development of surgical stapling in minimally invasive procedures, so common today.

Dr. Ravitch died in 1989, still teaching students from his own hospital bed. His son Dr. Michael M. Ravitch (1943-2004) followed in his steps in medical education as an educational psychologist at Northwestern University's Feinberg School of Medicine.

Personal note: I regret not having had the opportunity to meet Dr. Ravitch. In 2006 I spent several hours talking with Dr. Felicien Steichen about his trip to the USSR with Dr. Ravitch and the research and development that happened afterwards. When concluding my visit, Dr. Steichen presented me with a signed copy of his and Dr. Ravitch's book that reads:"Mark Ravitch would have enthusiastically applauded your efforts to teach the science of Anatomy that is the basis of the Art of Surgery". With the loss of both Drs. Ravitch and Steichen a wonderful chapter of the history of surgical stapling has closed. Dr. Miranda.

Sources:
1. "Naissance des sutures mecaniques modernes en chirurgie: petites et grandes histoires, en hommage a Mark Ravitch" Steichen,FM Chirurgie 1998,123 (6), 616.
2. "The Peaks of Excitement" Ann Surg 192: (1980) 3, 282 - 287
3. "A Century of Surgery, 1880-1980" Ravitch, Mark M.. Philadelphia
4. "Current Practice of Surgical Stapling" Ravitch, W & Steichen, F. 1991 Lea & Febiger USA
5. "Mark Ravitch (1910 - 1989) Editors, "Current Problems in Surgery" 1989
6. "All heart - Mark Ravitch" O'Donell B. J Ped Surg 25:1 (1990) 184
7. "Mark M. Ravitch: Historian and Innovator" Fingerete, AL, et al. J Surg Ed (2011) 155-158
8. "Reduction of intussusception by barium enema : A clinical and experimental study" Ravitch MM, McCune RM.Ann Surg. 1948;128:904-91
9. "The Surgical Curmudgeon" Pittmed, Spring 2013. 18-23

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