A new portable chest drainage device Renzo Lodi, MD, Alessandro Stefani, MD The Annals of Thoracic Surgery Volume 69, Issue 4, Pages 998-1001 (April 2000) DOI: 10.1016/S0003-4975(99)01567-2
Fig 1 The drawing represents the plan of the device and shows its peculiar technical aspects: (1) protection cap, (2) conic connection, (3) drawing point, (4) air filter, (5 & 8) one-way valve, (6) air and fluid stop balls, (7) drip chamber, (9) collection bag. The Annals of Thoracic Surgery 2000 69, 998-1001DOI: (10.1016/S0003-4975(99)01567-2)
Fig 2 Photograph of the device. The Annals of Thoracic Surgery 2000 69, 998-1001DOI: (10.1016/S0003-4975(99)01567-2)
Fig 3 Photograph of the conic connector with the button and the one-way valve. The Annals of Thoracic Surgery 2000 69, 998-1001DOI: (10.1016/S0003-4975(99)01567-2)
Fig 4 Photograph of the one-way exhaust valve. The Annals of Thoracic Surgery 2000 69, 998-1001DOI: (10.1016/S0003-4975(99)01567-2)