Method for detaching a hypodermic needle threadably engaged to a syringe

• US 5,067,223 A
• Filed: 12/14/1990
• Issued: 11/26/1991
• Est. Priority Date: 10/19/1989
• Status: Expired due to Fees

• Current Assignee: The Estate of John Bruno
• Original Assignee: John Bruno
• Inventors: Bruno, John
• Primary Examiner(s): Echols, P. W.
• Assistant Examiner(s): Bryant, David P.
• Application Number:
  US07/627,319
• Time in Patent Office: 347 Days
• Field of Search: 29/426.1, 29/426.5, 206/366
• US Class Current: 29/426.5
• CPC Class Codes: A61M 5/3205 Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles for sharps A61B50/362; disintegrating apparatus in general B02C, e.g. B02C19/0075, B23H9/001; disposal of medical waste in general B09B3/00; receptacles for refuse disposal in general B65F1/00
• CPC Class Codes: Y10T 29/49815 Disassembling
• CPC Class Codes: Y10T 29/49822 by applying force

Abstract

A needle removal/containment and transport apparatus for potentially injurious medical implements. The needle removal device portion comprises a plate member formed with a first receiving slot, and an integral needle engaging member comprising a pair of opposed finger members integrated with a base member to form a stepped slot providing a second receiving slot and a contiguous engaging slot. The first receiving slot is laterally aligned with the second receiving slot at an elevation generally higher with respect thereto. The needle hub is slidably translated through the second receiving slot into engagement with the needle removal device via the engaging slot whereupon the syringe can be rotated relative to the needle hub to unthread the needle from the syringe. The unthreaded needle and syringe are then removed from the engaging slot and translated through the second receiving slot and into the first receiving slot such that the needle hub is dispose on the underside of the plate member permitting the needle to drop into the container. In the event the needle has not been fully unthreaded from the syringe or in the case of a multi-sample needle where the needle can hang-up within the syringe, the needle hub will engage the underside of the plate member in response to upward forces applied to the syringe to act as a stop preventing the needle from being pulled out of the removal device.

Claims

1. A method for detaching a hypodermic needle threadably engaged to a syringe body via a needle hub member, and safely storing the detached needle for disposal, comprising the steps of:

inserting the needle into a first needle receiving slot formed in a needle removal device affixed to a container providing first entry means in communication with said needle removal device;

engaging said needle hub member with said needle removal device by slidably translating said needle hub member through said first receiving slot into a needle engaging slot formed contiguously with said first needle receiving slot;

rotating the syringe body to threadably detach the syringe body from the needle; and

removing the detached needle and syringe body from said needle engaging slot and slidably translating them back through said first needle receiving slot into a second needle receiving slot formed in said needle removal device at a generally higher elevation with respect to said first needle receiving slot to position the needle hub member on the underside of the needle removal device and permit the needle to drop into said container through said first entry means.

2. A method according to claim 1, which further comprises, after the needle is dropped into said container, the step of depositing the syringe body into said container through second entry means formed therein.

3. A method according to claim 2, which further comprises, after the syringe body is deposited into said container, the step of securely closing said second entry means by releasably inserting plug means thereinto.

4. A method according to claim 3, which further comprises, after the steps of depositing the needle and syringe body into said container, securely tying closed plastic bag means provided around said container.

5. A method according to claim 4, which further comprises, after the bag tying step, the step of securely closing cover means over a housing which surrounds said container and said plastic bag means to secure said container and plastic bag means within said housing.