Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
  • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
  • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
  • B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
  • B01L3/5025—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures for parallel transport of multiple samples
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
  • A61B10/0038—Devices for taking faeces samples; Faecal examination devices
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
  • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
  • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
  • B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
  • B01L3/5029—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures using swabs
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
  • G01N1/00—Sampling; Preparing specimens for investigation
  • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
  • G01N1/40—Concentrating samples
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
  • A61B10/0096—Casings for storing test samples

Definitions

• This report refers to an invention patent for a multiple collection kit for stool examination and, in particular, to a number of parts forming the set of storage vials for the stool specimens, to be provided to the user, and a concentrator container for specimens collected, which is kept at the lab for use by technical personnel, to assemble the kit and process specimens collected.
• Another inconvenience found in this usual practice of stool collection for laboratory examination refers to the use of the traditionally adopted pots, which implies a high degree of contamination as a result of inappropriate handling at the time of stool collection, as well as at the time the specimens collected are transferred to the specimen concentrator container, which remains at the lab.
• Still a third problem identified in this usual practice of stool collection refers to the form of the pots for specimen collection, which require that the specimen is stored with the use of specific tools, both by the user at the time of collection and by the lab technician for the transfer of specimens collected to an already standardized laboratory system to process them.
• One of the objectives of the invention at issue is, therefore, to provide a kit for multiple stool collections for parasitological examination, which renders significantly easier and more practical the routine of collecting and delivering stool specimens to the lab, i.e., without causing embarrassment to the user during collection or material handling difficulties to the lab personnel.
• Another objective of this invention is to provide a kit for multiple collections of stool specimens for parasitological examination already equipped with a set of vials, each of them with its collecting scoop, which eliminates the likelihood of contamination for inadequate stool handling during collection, in addition to eliminating specimen handling at the time it is processed in a standardized laboratory system.
• a third objective of this invention is to provide a kit for multiple collection of stool specimens for parasitological examination which does not require handling of the material stored therein with specific tools by the lab technician, as he/she transfers the specimens collected into the concentrator container system.
• a multiple stool collection kit for lab examination which includes a set of three collection or storage vials to provide the user, as well as a specimen concentrator container.
• Each of the vials is equipped with its own stool collecting scoop and a click closing cap adapted by clicking to the access opening of the vial, which opening is dimensionally fit to be coupled by clicking to one of the three corresponding entry openings provided in the specimen concentrator container, which in turn is equipped inside with a set of filters positioned on a plan which is parallel and intermediate to the openings for inserting vials with specimens collected and the storage chamber represented by the concentrator container, being such transfer performed by centrifugation.
• Figure 1 represents a perspective view of one of the specimen collection vials, from the collection set to be sent to the user. This is a representation of the vial as closed.
• Figure 2 represents a perspective view of the specimen concentrator container, in its assembled form and ready to receive the vials with stool specimens.
• Figure 3 represents a perspective view of one of the specimen collection vials open and ready to receive a stool specimen
• Figure 4 represents a perspective view of the collection vials being coupled at the entries of the specimen concentrator container
• Figure 5 represents an enlarged and section detail of the coupling between the vial and the container, taken according to the "A-A" line of
• Figure 4; and Figure 6 represents perspective view of the specimen concentrator container as knocked-down, with drawings of all the container components.
• the multiple collection kit for stool examination consists of a set of three collection or storage vials (10) for stool specimens, to provided the user, and one specimen concentrator container (20), the first ones being selectively and adequately coupled to the second at the time of the simultaneous transfer of the specimens collected into a specimen aggregation chamber. See Figure 4.
• each of the collection vials (10) consists of a tubular body (1), with the bottom end closed (2) and the upper end open (3), which external peripheral border includes a radial thickening (4) with a perimeter groove (5), thus forming a border for precise fitting, click retention and a bung of an upper closing cap (6) of short tubular format and internal diameter slightly larger than the external diameter (3) of the vial (10) opening, so that it can be precisely attached in the axial direction to the latter.
• a specimen collecting scoop extends downwards, in an internal and axial projection in relation to the closing cap (6), in the form of a specimen collecting spoon or scoop (7), which has its own cap (6) as manual holder, thus allowing the user to collect a specimen of the stool to be examined and simultaneously store it in, and close the vial, as shown in Figure 1. It is worth emphasizing that the collection vial (10) is already provided to the user with the preservative solution inside, and its direct contact with the specimen collected occurs only through the specimen collecting scoop (7), which is kept inside the vial (10) after closure.
• the specimen concentrator container (20) consists of a substantially trunk-conic body (21), with its bottom part (22) in a closed conic form and a tubular (23), open upper part, which peripheral external border includes a diameter enlargement (24), forming the border for a precise axial and pressure-fitting of an upper closing cap (25) with a bottom part (25a) in a short tubular form and with its external diameter slightly smaller than the internal diameter (20) of the container opening (24), allowing the axial and precise fitting of such cap (25) with the container (20) opening (24).
• this closing cap (25) is formed by a circular platform (25b) with a diameter larger than the one defined for its bottom part, so that the peripheral border of this platform (25b) acts as axial stop for the cap (25), fitting it on the enlarged circular border (24) of the container (20), as shown in Figure 5.
• platform (25b) of the cap (25) are incorporated three circular inlet openings, from which the corresponding short tubular projections (25c) extend upwards, with their internal diameter slightly larger than the external diameter of vial (10) opening (3), with a radial collar (25d) inside the open circular border of each of such tubular projections (25c), which enables the click retention of the vial (10) by one of the tubular projections (25c).
• a filtration chamber (30) consisting of, at least, two filtering levels, each of them with two screens (31/32) of different permeability, which are kept parallel to each other and immobilized inside the cap (25) bottom part (25a) through the ring supports (33), pressure-mounted and inserted alternately in relation to said screens (31 and 32) inside the cap (25) bottom part (25a), as shown in Figure 6.
• the user having collected and inserted the three specimens in their respective vials (10), delivers them simultaneously to the lab, which, in turn, without any handling of the material collected, opens the vials and fits each of them to one of the tubular projections (25c) of the specimen concentrator container (20), in the case of this coupling laid upside down to avoid leakage of the specimens.
• the set is submitted to centrifugation, in such a way that the specimen collected and previously dipped into the preservative solution contained in each vial (10) is thrust by centrifugal force to the inside of the trunk-conic body (21), with the closed lower conic part (22) of the container (20) going through the filtration chamber (30).
• the three stool specimens initially collected in different vials (10) after centrifugation, will be aggregated as a single amount of filtered material, forming a pellet to be examined, the transfer and aggregation occurring without any handling.

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• Health & Medical Sciences (AREA)
• Chemical & Material Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Analytical Chemistry (AREA)
• Pathology (AREA)
• Hematology (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Clinical Laboratory Science (AREA)
• Biomedical Technology (AREA)
• Medical Informatics (AREA)
• Immunology (AREA)
• Biochemistry (AREA)
• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Heart & Thoracic Surgery (AREA)
• General Physics & Mathematics (AREA)
• Molecular Biology (AREA)
• Surgery (AREA)
• Animal Behavior & Ethology (AREA)
• Public Health (AREA)
• Veterinary Medicine (AREA)
• Investigating Or Analysing Biological Materials (AREA)
• Sampling And Sample Adjustment (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=3948006

Family Applications (1)

Country Status (2)

Cited By (7)

Families Citing this family (1)

Citations (4)

• 2001
  • 2001-08-06 BR BRPI0104372A patent/BRPI0104372B8/pt not_active IP Right Cessation
• 2002
  • 2002-08-06 WO PCT/BR2002/000109 patent/WO2003014705A1/en not_active Application Discontinuation

Patent Citations (4)

Non-Patent Citations (2)

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