Patent number 8641680 is assigned to
The following quote was obtained by the news editors from the background information supplied by the inventors: "Needle protection devices that utilize a housing that pivots relative to the base are exemplified by a number of U.S. patents assigned to the assignee of the instant application. These include U.S. Pat. Nos. 4,982,842, 5,139,489, 5,154,285, 5,232,454, 5,232,455, 5,277,311 and 5,423,765, among others. There are other patents also assigned to the assignee of the instant invention that disclose the anchoring of the housing to the base of a needle. In U.S. Pat. RE37,110, RE37,252 and U.S. Pat. No. 6,328,713, there is disclosed the mating of an anchor at the base to an opening at the housing. Although feasible, it has been found that such embodiment entails the need for an anchor that has to be of a given length, as well as an opening that has to be well defined. Moreover, the portion of the housing where the opening is to be provided has to be sufficiently thin so as to provide the flexibility that enables the anchor to first pierce through and then be anchored to the opening. Further, with the anchor piercing through the housing, given that contaminated blood may well be splattered to the anchor as the housing closes over the contaminated needle, there may be a chance that contaminated fluid from the needle may be exposed on the backside of the housing where the anchor protrudes. Furthermore, such anchor based needle protection device is difficult to implement with a hook mechanism inside the housing, as the contact between the anchor and the opening at the housing would conflict with the retention of the needle by a hook in the housing, as exemplified by the aforenoted U.S. Pat. No. 4,982,842."
In addition to the background information obtained for this patent, VerticalNews journalists also obtained the inventors' summary information for this patent: "The present invention safety needle device has a locking mechanism that has one portion extending from the back wall of the housing and another portion extending from the base in such a way that when the housing is pivoted toward the base to cover the needle that extends from the base, the portions of the catch mechanism would couple together to fixedly retain the housing and the base relative to each other. One portion of the catch mechanism is configured to have two fingers closing in on a slot through which the other portion of the catch mechanism, in the form of an elongated anchor or projection, snaps into and be held by the fingers. The two portions of the catch mechanism are designed such that they would matingly couple at substantially the same time as the needle is clasped and be retained by an integral hook in the housing. This configuration ensures that a single pivoting movement of the housing relative to the base would enable the hook in the housing to fixedly retain the needle and at the same time enable the housing and the base be fixedly retained relative to each other. Two flaps each extending from a side wall of the housing prevent further access to the portions of the catch mechanism once those portions are coupled to each other. Each portion in turn may be considered a catch mechanism so that the safety device of the instant invention may be considered to have two coacting catch mechanisms.
"The safety needle device of the instant invention is formed from the same mold such that the housing, the base, the portions of the catch mechanism as well as the hook, are integrally formed as a single unitary unit. The needle is fitted to the distal end of the base while the proximal end of the base is configured to be adaptable to a syringe or other medical apparatus for either withdrawing fluid from or ejecting medication to a patient. The needle that is attached to the base of the safety device of the instant invention may be of different gauges. To signify the gauge of the needle, the housing and the base of the safety device are color coded to a given color that has been predetermined to correspond to that given needle gauge.
"The instant invention is therefore a needle assembly that has a base having a needle extending therefrom along a longitudinal axis thereof, a housing pivotally connected to the base with two side walls connected by a back wall, one portion of a catch or lock mechanism extends from the back wall so as to couple to another portion of the catch mechanism that extends from the base, so that once the portions of the catch mechanism are coupled to each other, the housing and the base are fixedly retained relative to each other, with the needle being covered by the housing.
"The instant invention also relates to a one-piece needle assembly or safety device that is adaptable to be used with a syringe, with the respective portions of the catch mechanism being provided at the base and the housing per discussed above."
URL and more information on this patent, see: Simas, Jr., Robert. Safety Needle Device with Snap Feature. U.S. Patent Number 8641680, filed
Keywords for this news article include: Legal Issues,
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