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Injection needle-detaching device

  • US 4,875,265 A
  • Filed: 11/04/1988
  • Issued: 10/24/1989
  • Est. Priority Date: 12/14/1987
  • Status: Expired due to Fees
First Claim
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1. A device for detaching an injection needle from a syringe comprising:

  • a plate-like member,a first opening provided in the plate-like member for inserting an injection needle attached to a syringe,a first needle-detaching means for detaching a slip type needle, anda second needle-detaching means for detaching a screw type needle,said first opening having a size larger than the largest part of said needle,said first needle-detaching means comprising a second opening extending laterally from said first opening, and a sliding portion provided on each of both sides of said second opening,said second opening having a width larger than the diameter of the nozzle of said syringe and smaller than the diameter of the hub of said needle,each of said sliding portion having a side wall defining said second opening,each of said side walls having, at the entrance of the second opening from said first opening, a thickness smaller than a distance between the root of the nozzle of said syringe and the bottom end of the hub of said needle when the needle is being attached to said syringe, each of said side walls being made gradually thicker toward the closed end of said second opening, the maximum thickness of each of said side walls being larger than said distance,said second needle-detaching means comprising a third opening extending laterally from said first opening,said third opening having a portion having such a size that the hub of said needle is capable of being inserted thereinto, said portion being provided with a projection for preventing the hub of said needle from turning when the syringe is turned.

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