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
  • B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
  • B01L3/5082—Test tubes per se
  • B01L3/50825—Closing or opening means, corks, bungs
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/15—Devices for taking samples of blood
  • A61B5/150007—Details
  • A61B5/150015—Source of blood
  • A61B5/15003—Source of blood for venous or arterial blood
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/15—Devices for taking samples of blood
  • A61B5/150007—Details
  • A61B5/150351—Caps, stoppers or lids for sealing or closing a blood collection vessel or container, e.g. a test-tube or syringe barrel
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/15—Devices for taking samples of blood
  • A61B5/150007—Details
  • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
  • A61B5/150381—Design of piercing elements
  • A61B5/150389—Hollow piercing elements, e.g. canulas, needles, for piercing the skin
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/15—Devices for taking samples of blood
  • A61B5/150007—Details
  • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
  • A61B5/150381—Design of piercing elements
  • A61B5/150473—Double-ended needles, e.g. used with pre-evacuated sampling tubes
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/15—Devices for taking samples of blood
  • A61B5/150007—Details
  • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
  • A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
  • A61B5/150572—Pierceable protectors, e.g. shields, caps, sleeves or films, e.g. for hygienic purposes
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/15—Devices for taking samples of blood
  • A61B5/150007—Details
  • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
  • A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
  • A61B5/150694—Procedure for removing protection means at the time of piercing
  • A61B5/150717—Procedure for removing protection means at the time of piercing manually removed
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/15—Devices for taking samples of blood
  • A61B5/150007—Details
  • A61B5/150732—Needle holders, for instance for holding the needle by the hub, used for example with double-ended needle and pre-evacuated tube
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/15—Devices for taking samples of blood
  • A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/15—Devices for taking samples of blood
  • A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
  • A61B5/154—Devices using pre-evacuated means

Definitions

• the present invention relates to a blood collection tube. More specifically, the present invention relates to a blood collection tube to which a film-like sealing member having an open bottomed tube is adhered.
• the blood collection tube used for example, a vacuum blood collection tube, is composed of a bottomed tube made of glass or plastic, a rubber stopper, and a force.
• the serum can be collected using the automatic serum collection device without removing the rubber stopper.
• Decompression blood collection tubes are preferred.
• Such a blood collection tube is a film-like seal that allows the collection needle of an automatic serum collection device to directly penetrate the opening of the bottomed tube instead of the rubber stopper.
• There is a reduced-pressure blood collection tube that is attached to a member to prevent external contamination.
• a blood test must be performed without using an automatic serum collection device.
• the serum may be collected by peeling the rubber-shaped sealing member.
• the blood In a low-pressure blood collection tube that does not require a rubber stopper as described above, the blood is called a conventional pi wing and decantation.
• it is necessary to peel off the film-like sealing member that seals the opening of the bottomed pipe.
• the sealing member was peeled off, it was difficult to seal the opening again, and there was a risk that blood contamination would occur.
• an object of the present invention is to collect serum by an automatic serum collection device without using a rubber stopper as a sealing member and without having to remove a rubber stopper. With this force, even after the sealing member is removed, the blood collection tube can be sealed again to prevent blood contamination. Provide a blood collection tube. Disclosure of the invention
• FIG. 1 is a partial sectional view showing one embodiment of a blood collection tube of the present invention.
• FIG. 2 is a perspective view of a blood collection tube holder to which a blood collection tube is attached and the blood vessel of the present invention.
• FIGS. 3a and 3b are exploded perspective views of a blood collection tube holder and a blood collection needle to which a blood collection tube is attached.
• FIG. 4 is a cross-sectional view showing a state where the blood collection tube of the present invention is mounted on a blood collection tube holder, a blood collection needle, and the like.
• 5a and 5b are perspective views showing the use state of the blood collection tube of the present invention.
• the blood collection tube 1 of the present invention includes a bottomed tube 2 having one end opened and the other end closed, a film-shaped sealing member 4 attached to the opening of the bottomed tube 2, and A cap 6 is provided detachably on the outer wall of the bottom of the bottom tube 2 and can be fitted to the opening of the bottomed tube 2.
• FIG. 1 is a partial cross-sectional view showing a blood collection tube of the present invention.
• the blood collection tube 1 is adhered to the bottomed tube 2 having one end opened and the other end closed, the anticoagulant 3 contained in the bottomed tube 2, and the open end of the bottomed tube 2.
• the blood collection tube 1 is tightly closed by the film-shaped sealing member 4.
• O Closed bottomed tube-2 is preferably a reduced-pressure blood collection tube whose pressure has been reduced by a predetermined amount according to the amount of blood collected o
• the bottomed tube 2 is a test tube having an open end.
• the materials used for forming the bottomed tube 2 include glass, attri-opened 2-trile resin, polyethylene terephthalate, polyarate, and the like.
• Test tube made of plastic with gas barrier properties such as mid-pressure, poly-styrene, or poly-styrene, or poly-hole
• a material coated with a gas-barrier-like substance such as polyvinylidene chloride, polyvinyl alcohol, etc. is used on the surface.
• the opening side of the bottomed tube 2 is slightly narrower, and a threaded portion 7 to which a cap 6 can be screwed is provided on the outer peripheral surface of the narrowed portion. .
• a screw portion 8 to which a cap 6 can be screwed is provided also at the bottom of the bottomed tube 2.
• the cap 6 is usually
• the bottomed pipe 2 is screwed to a thread 8 provided on the outer wall of the bottom of the pipe. When necessary, it is removed from the bottom of the pipe, screwed into a thread 7 provided on the outer peripheral surface on the opening side of the bottomed pipe 2, and removed by a sheet material 9 in a cap 6.
• Anticoagulant 3 is used to prevent blood after blood collection from being collected in blood collection tube 1 and to prevent clotting during testing, for example, -EDTA-2K Etc. are used o
• the film-shaped sealing member 4 is formed in a circular shape having a diameter slightly larger than the outer diameter of the opening of the bottomed tube 2 ′: film-shaped sealing For member 4, aluminum foil and various films were vacuum evaporated.
• film-shaped sealing For member 4 aluminum foil and various films were vacuum evaporated.
• ____________________________________________________ or various types of phenolic such as polyvinylidene chloride, polyvinyl alcohol, ethylene vinyl alcohol It is made up of coated snorkeling materials.
• the film-shaped sealing member 4 is made of a plastic material such as polyethylene terephthalate, polyamide, or the like, which has gas barrier properties. It may be composed of sticks.
• the resealable rubber member 5 is formed in a circular shape having substantially the same shape as the inner diameter of the opening of the bottomed tube 2, and is made of synthetic rubber, natural rubber, and thermoplastic elastomer. And is fixed on the film-shaped sealing member 4 with an adhesive or the like. Further, the resealable rubber member 5 may be fixed to the lower surface of the film-shaped sealing member 4 instead of the upper surface.
• the resealable rubber member 5 is stimulated by a blood collection needle or the like of a blood collection device, and has a function of closing a stimulating hole and resealing the blood collection tube after being removed. ing .
• Cap 6 has screw grooves 9 and a on its inner peripheral surface so that it can be screwed to the threads (threads) 7 and 8 of the bottomed tube 2. are doing . Further, a sealing material 9 for sealing the opening of the bottomed tube 2 is stored on the bottom surface of the cap 6.
• the seal material 9 is formed of an elastic body such as rubber.
• the cap 6 is formed of plastic, rubber, inorganic materials, and metals. As a material for the cap 6, a plus-chip is preferable from the viewpoint of ease of molding and cost.
• the cap 6 is attached to the bottom of the bottomed pipe 2 in an airtight state.
• the cap 6 is attached to the opening of the bottomed tube 2
• blood can be prevented from being contaminated by deposits on the inner surface of the cap 6.
• a sealant is provided between the open end of the cap 6 and the bottomed pipe. (For example, a thin film of RTV silicone rubber) and peeling around the bottom of the bottomed tube 2 with the cow cap 6.
• Possible or severable Heat-shrinkable tubing eg, polystyrene, borlet tip
• the blood collection tube 1 is used by being inserted into a blood collection holder 11 to which a blood collection needle 10 is attached as shown in FIG.
• the blood collection needle 10 penetrates the piercing needle portion 12 for stimulating a blood vessel, the re-sealing member 5 and the film-shaped sealing member 4.
• a screw 14 a capable of screwing a blood sampling holder 1 U is screwed and provided, as shown in FIG.
• the case cap 17 is attached to the lumber piercing section 13, and the case cap 18 is attached to the piercing needle section 12, respectively. .
• a blood collection needle 10 is screwed into the blood collection tube holder 11 as shown in the second passage. Then, the puncture needle portion 12 of the blood collection needle 10 is pierced into the blood vessel. Further, the blood collection tube 1 is inserted into the blood collection tube holder 11, and as shown in FIG. 4, the sealing member stimulating portion 13 is provided with a rubber chip 16 and a resealing device. Insert the flexible rubber member 5 and the film-shaped sealing member 4 until they are pierced. If the pressure in the blood collection tube 1 is reduced, blood according to the degree of decompression in the blood collection tube is collected from the blood vessel. The blood in the blood collection tube 1 collected in this manner is collected by an automatic serum collection device or the like, and is subjected to various blood tests.
• the film-shaped sealing member 4 of the blood collection tube 1 must be resealed.
• the blood in the blood collection tube 1 is collected by a method such as piercing and decantation, and various types of blood are collected.
• Perform a blood test If it is necessary to tightly close the blood collection tube 1 after the sampling operation, as shown in Fig. 5a, a key screwed into the thread 8 of the outer wall _ of the bottomed tube 2 as shown in Fig. 5a Remove the cap 6 and screw the cap 6 into the screw _ on the opening side of the bottomed pipe 2 as shown in Fig. 5b, and seal the bottomed pipe 2 You This can prevent foreign substances from entering the blood collected in the blood collection tube 2 from the outside, and can also prevent blood from flowing out from the blood collection tube. Pollution can be reduced. Industrial applicability
• the blood collection tube of the present invention includes a bottomed tube having one end open and the other end closed, and a film-shaped seal attached to the opening of the bottomed tube.
• a member and a cap detachably mounted on the outer wall of the bottom of the bottomed tube, and a cap which can be fitted into the opening of the bottomed tube, so that whole blood or Collection of serum after centrifugation can be performed manually or automatically using a collection needle, etc. Even after the blood has been collected by the method, the opening of the blood collection tube can be sealed, if necessary, with a cap attached to the bottom of the bottomed tube. .
• the blood inside the blood collection tube is less likely to be contaminated from the outside, and the blood in the blood collection tube is prevented from flowing out to the outside. Can be reduced.
• the blood collection tube is provided with a film-shaped sealing member that does not use a rubber stopper, if necessary, remove the film-shaped sealing member. The opening can be sealed even afterwards, so that it can be used for a wide range of purposes.

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• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Hematology (AREA)
• General Health & Medical Sciences (AREA)
• Molecular Biology (AREA)
• Heart & Thoracic Surgery (AREA)
• Veterinary Medicine (AREA)
• Physics & Mathematics (AREA)
• Public Health (AREA)
• Biophysics (AREA)
• Pathology (AREA)
• Engineering & Computer Science (AREA)
• Biomedical Technology (AREA)
• Animal Behavior & Ethology (AREA)
• Medical Informatics (AREA)
• Surgery (AREA)
• Chemical & Material Sciences (AREA)
• Clinical Laboratory Science (AREA)
• Analytical Chemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
• Investigating Or Analysing Biological Materials (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (1)

Family

ID=14648296

Family Applications (1)

Country Status (2)

Cited By (1)

Citations (2)

• 1987
  • 1987-07-27 JP JP1987114851U patent/JPH034250Y2/ja not_active Expired
• 1988
  • 1988-07-26 WO PCT/JP1988/000746 patent/WO1989000830A1/ja unknown

Patent Citations (2)

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