William P. Murphy Jr.

William Parry Murphy Jr. (November 11, 1923 – November 30, 2023) was an American physician and inventor of medical devices including collaborating on a flexible sealed blood bag used for blood transfusions. He was the son of the American physician William Parry Murphy who shared the Nobel Prize in Physiology for Medicine in 1934, and Harriett Adams, the first licensed female dentist in Massachusetts.

Background William Parry Murphy Jr. was born in Boston on November 11, 1923, the son of hematologist William Parry Murphy and Harriet (née Adams) Murphy, the first woman to become a licensed dentist in Massachusetts. Murphy grew up in Brookline, Massachusetts.

Patent # Year Issued Description 2,596,819 1952 Change Speed Apparatus 2,649,299 1953 Spring Scale 2,876,496 1959 Process for Making Tubes 3,013,656 1961 Disposable Medical Trays 3,033,038 1962 Surgical Manometer 3,048,192 1962 Surgical Valve 3,101,085 1963 Alternating Tourniquet System 3,105,511 1963 Infusion Safety Valve 3,152,202 1964 Tapered End Plastic Tube 3,122,136 1964 Catheter Pressure Standard 3,140,714 1964 Blood Separation Method* 3,246,646 1966 Pivoted Vaginal Speculum 3,253,595 1966 Cardiac Pacer Electrode System** 3,625,201 1971 Tester for Standby Pacing 3,620,220 1971 Cardiac Pacer with Redundant Power Supply 4,211,597 1980 Method for Making Artificial Kidney*** 4,231,871 1980 Artificial Kidney & Method for Making Same***

Publications He co-authored nearly 30 medical publications and helped to establish several professional organizations such as FIRST (For Inspiration and Recognition of Science and Technology), a non-profit group dedicated to inspiring young people's interest in science, technology and engineering, founded by his friend Dean Kamen.

Publication Title Authors Publication / Publisher Date "Portable Projector for Roentgenograms" Dillion and Murphy Am. J. of Roent. & Ray., Vol. LXI #6 June 1949"Sterile Lancets for Blood Sampling" Walter, Murphy, and Comploier J. of A.M.A., 148 March 1952"A Closed Gravity Technique for the Preservation of Whole Blood in ACD Solution"Utilizing Plastic EquipmentWalter and Murphy S.G.&O., #94 June 1952."The Retardation of Clotting of Whole Blood on Contact with Stainless Steel"Walter, Murphy, Jessiman, and Ahara Surgical Forum 1952"Use of an Artificial Kidney"Murphy, Swan, Walter, Weller and Merrill J. Lab. & CI. Med., 4D #3 September 1952"Report of Blood Study Team Activities in the Far East”Sproul, Murphy, Warrens and Sack June 19 to July 30, 1953"Serum Hepatitis from Pooled Irradiated Dried Plasma"Murphy and WorkmanJ. of A.M.A., #154 August 1953"Hemolysis in Blood Collected for Plasma processing"Murphy, Sprout and Cetz J.ofA.M.A.,#6Junel955"The Mechanical Factors Responsible for Rapid Infusion of Blood"Walter, Murphy and Bellamy S.G. &0.,#1 July 1955"The Influence of Extracellular Factors Involved in the Collection of Blood in ACD on Maintenance of Red Cell Viability During Refrigerated Storage"Gibson, Murphy, Scheitlin and Rees Am. J. of CI. Path, #8 August 1956"Direct Stimulation Myography and Ergometry of Human Calf Muscles with Supplementary Observations on Calf Elasticity,"Edwards and MurphySurgery, Gynecology & Obstetrics December 1956"Unitized Disposable Urethral Catheter and Specimen Container"Murphy, Flanery and SmithJ. of A.M.A., #15 December 1956"A Blood Volume Expander Rediscovered"MurphyBulletin of American Association of Blood Banks #2 February 1957"Transfusion Consultation, Its Importance in Blood Banking"MurphyBulletin of American Association of Blood Banks Vol. 10, No. 11 November 1957"Atrial, Ventricular and Conal Myograms of the Embryonic Chick Heart"Paff, Boucek and MurphyThe Anatomical Record January 1959"Electrocardiographic and Myographic Responses to Injury in the Isolated Chick Embryo Heart"Boucek, Murphy and Paff University of Miami March 1959"An Evaluation of Intermittent Peritoneal Lavage"Doolan and MurphyAmerican Journal of MedicineJune 1959"Thermo-Plastics in Patient Care Devices"MurphyHospital Topics July 1959"Electrical and Mechanical Properties of the Chick Embryo Heart"Boucek, Murphy and PaffCirculation Research, Vol. VII September 1959"Recording of the Mechanical and Electrical Functions of the Chick Embryo Heart"Murphy, Boucek and Paff Medical Electronics June 1959"Electromagnetophoresis of Erythrocytes"Dandliker, Murphy and KellerFederation Proceedings, Vol. 19, No. 1, Pt. 1 March 1960"Segmental Perfusion of Coronary Arteries with Fibrinolysin in Man Following Myocardial Infarction"Boucek and MurphyAm. J. Cardiology August 1960"A Sterile, Disposable Catheterization Tray"MurphyHospital Topics February 1961"Intercalative Angiography"Boucek, Murphy and Hernandez Radiology Vol. 76, No. 4 April 1961"The Cardiac Programmer to Trigger an Arterial Pump"MurphyTranscript American Society of Artificial Internal Organs, Vol. VII 1961"Magnetoelectrophoresis"Murphy, Dandliker and KellerTransfusion, Vol. 1, No. 6 November–December 1961"Preparing Plastic Implant Devices"MurphyHospital Topics October 1971"Carl Walter: A Pioneer in Shaping the Medical Device Industry"MurphyThe American Journal of Surgery November 1984