Sterilizable and sterilized hypodermic syringe assemblies

• US 2,860,635 A
• Filed: 02/26/1958
• Issued: 11/18/1958
• Est. Priority Date: 03/20/1957
• Status: Expired due to Term

• Current Assignee: Edgar H. Wilburn
• Original Assignee: Edgar H. Wilburn
• Inventors: Wilburn, Edgar H.
• Application Number:
  US03/720,804
• Time in Patent Office: 265 Days
• US Class Current: 604/190
• CPC Class Codes: A61M 2005/3121 via the proximal end of a syringe, i.e. syringe end opposite to needle cannula mounting end
• CPC Class Codes: A61M 2005/3125 specific display means, e.g. to indicate dose setting
• CPC Class Codes: A61M 5/001 Apparatus specially adapted for cleaning or sterilising syringes or needles
• CPC Class Codes: A61M 5/28 Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle
• CPC Class Codes: A61M 5/3129 Syringe barrels A61M5/3205 and A61M5/50 take precedence
• CPC Class Codes: A61M 5/31511 Piston or piston-rod constructions, e.g. connection of piston with piston-rod A61M5/5066 takes precedence
• CPC Class Codes: A61M 5/31525 Dosing burettes, pipettes B01L3/02
• CPC Class Codes: A61M 5/31556 Accuracy improving means
• CPC Class Codes: A61M 5/3202 Devices for protection of the needle before use, e.g. caps A61M5/50 takes precedence; for infusion spikes A61M5/1626; protectors for sharps A61B50/3001

Claims