Surgery – Diagnostic testing – Liquid collection
Reexamination Certificate
1999-09-01
2001-07-24
Lacyk, John P. (Department: 3736)
Surgery
Diagnostic testing
Liquid collection
C206S569000
Reexamination Certificate
active
06264619
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of Invention
This invention relates to blood samples and more particularly relates to a combination of materials used in drawing a blood sample.
2. Background of the Invention
Many medical procedures call for analysis of a patient's blood and various reports have appeared disclosing devices and procedures for drawing blood samples and preparing them for storage, transportation or analysis. The one common feature of all reports on blood sampling is the attention paid to protecting against any contact between the patient's blood and the phlebotomist.
The equipment needed for blood sampling varies according to the analytical procedure for which the sample is intended. For example, some tests require only a single drop of blood while others require milliliter quantities divided into several portions. Some require anticoagulants, others require procoagulants. All require aseptic conditions during sampling and accordingly, employ various items to protect against infection and contact between the patient's blood and the phlebotomist. Thus, in modern medical practice, the skin puncture site must be sterilized prior to puncture and the puncture site aseptically covered after sampling. To avoid contact with the sample, disposable gloves are routinely worn by the phlebotomist.
Blood sampling has traditionally been performed by initially locating the necessary equipment, generally supplied in various packages by different suppliers, then arranging the individual items in a convenient and easily reached order prior to sampling. This operation has the obvious disadvantage of inefficiency compounded by the danger of beginning the blood draw without an essential component at hand. There is a definite need in the art of blood sampling for overcoming the above disadvantages of piecemeal gathering of the essential tools. It is toward fulfillment of this need that the present invention is directed.
SUMMARY OF THE INVENTION
A kit of materials for drawing a blood sample includes means for sterilizing a patient's skin, means for penetrating the patient's skin, holding means for containing the sample taken and packaging means for all of the components.
The kit may also contain any other component needed for the intended purpose of the kit. Thus, other components may be a fabric, such as gauze, for removing the sterilant after the sterilizing step or for covering the puncture wound after the sample is drawn. Other optional components of the kit are disposable gloves, a support for the holding means after the sample is taken, securing means to maintain the fabric in place over the puncture wound, and a tourniquet to promote blood flow.
A preferred skin penetrating means is a needle or a lancet and a preferred holding means is a tube or vial. The preferred sterilizing means is a gauze containing a disinfectant, such as alcohol or antibacterial, and the preferred securing means is an adhesive tape.
Thus, the invention provides an array of conventional blood sampling components combined in a single convenient package which obviates the necessity and inefficiency of prior locating and arranging of all components that will be needed.
REFERENCES:
patent: 3013656 (1961-12-01), Murphy, Jr.
patent: 3203540 (1965-08-01), Kaut et al.
patent: 4192919 (1980-03-01), Raghavachari
patent: 4886071 (1989-12-01), Mehl et al.
patent: 5020665 (1991-06-01), Bruno
patent: 5086783 (1992-02-01), Macors et al.
patent: 5117981 (1992-06-01), Crawford et al.
patent: 5178157 (1993-01-01), Fanlo
patent: 5520041 (1996-05-01), Haswell
patent: 5704917 (1998-01-01), Utterberg
patent: 6071294 (2000-06-01), Simons et al.
Becton Dickinson and Company
Brown Richard E.
Lacyk John P.
Wingood Pamela L.
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