Suction drainage device for surgical purposes

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Description

FIG. 1 is a front view of the suction drainage device for surgical purposes showing my new design; and

FIG. 2 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D237549 November 1975 Tillander
D240337 June 1976 Hanifl
D242653 December 7, 1976 Ekbladh
3398743 August 1968 Shalit
Foreign Patent Documents
1244283 September 1960 FRX
1304324 January 1973 GBX
Patent History
Patent number: D262657
Type: Grant
Filed: Sep 14, 1978
Date of Patent: Jan 12, 1982
Assignee: Astra-Sjuco Aktiebolag (Goteborg)
Inventor: Fred V. G. Ekbladh (Saro)
Primary Examiner: Sam Rosen
Law Firm: Brumbaugh, Graves, Donohue & Raymond
Application Number: 5/942,394
Classifications
Current U.S. Class: D24/58; D24/51; D24/54; D24/56
International Classification: D2404;