WO2011001950A1 - 採血セット、サンプリングホルダ及び誤刺防止用針カバー - Google Patents
採血セット、サンプリングホルダ及び誤刺防止用針カバー Download PDFInfo
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- WO2011001950A1 WO2011001950A1 PCT/JP2010/061001 JP2010061001W WO2011001950A1 WO 2011001950 A1 WO2011001950 A1 WO 2011001950A1 JP 2010061001 W JP2010061001 W JP 2010061001W WO 2011001950 A1 WO2011001950 A1 WO 2011001950A1
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- WIPO (PCT)
- Prior art keywords
- blood collection
- needle cover
- sampling holder
- lid
- false
- Prior art date
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/14—Devices for taking samples of blood ; Measuring characteristics of blood in vivo, e.g. gas concentration within the blood, pH-value of blood
- A61B5/1405—Devices for taking blood samples
- A61B5/1438—Devices for taking blood samples using pre-evacuated means
-
- 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
- A61B5/150374—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
- A61B5/150503—Single-ended needles
-
- 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
- A61B5/15058—Joining techniques used for protective means
- A61B5/150595—Joining techniques used for protective means by snap-lock (i.e. based on axial displacement)
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- 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
- A61B5/150633—Protective sleeves which are axially extensible, e.g. sleeves connected to, or integrated in, the piercing or driving device; pivotable protective sleeves
-
- 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
- A61B5/150992—Blood sampling from a fluid line external to a patient, such as a catheter line, combined with an infusion line; blood sampling from indwelling needle sets, e.g. sealable ports, luer couplings, valves
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- 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
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15101—Details
- A61B5/15103—Piercing procedure
- A61B5/15105—Purely manual piercing, i.e. the user pierces the skin without the assistance of any driving means or driving devices
-
- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/02—Blood transfusion apparatus
- A61M1/0209—Multiple bag systems for separating or storing blood components
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/02—Blood transfusion apparatus
- A61M1/0209—Multiple bag systems for separating or storing blood components
- A61M1/0218—Multiple bag systems for separating or storing blood components with filters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/02—Blood transfusion apparatus
- A61M1/0209—Multiple bag systems for separating or storing blood components
- A61M1/0236—Multiple bag systems for separating or storing blood components with sampling means, e.g. sample bag or sampling port
Definitions
- the present invention relates to a blood collection set, a sampling holder, and a needle cover for preventing accidental insertion.
- a blood collection set that includes a blood collection needle, a blood bag, a sampling holder, and a needle cover for preventing accidental insertion (see, for example, Patent Document 1).
- the conventional sampling holder described in Patent Document 1 includes a substantially cylindrical main body and a lid (cap) attached to and removed from the upper portion of the main body, and the lid is provided with a fitting portion (cap inner cylinder) It is done. After blood collection, the unnecessary blood collection needle is stored in the false needle cover, and the false needle cover is pressed into the fitting part of the lid, so that the blood collection needle and sampling holder and false needle cover Are being discarded. This makes it possible to prevent the blood collection needle from being exposed when discarding the sampling holder and the false sting prevention needle cover. As a result, it is possible to reduce the risk of accidental bites and blood infections that may occur when discarding with the blood collection needle exposed.
- the needle cover for erroneous insertion is fitted with lighter force. It is desirable to be able to fit in a part.
- An object of the present invention is to provide a blood collection set, a sampling holder and a needle cover for preventing accidental insertion which can be fitted into the fitting portion of the holder.
- the blood collection set (500) of the present invention is A tubular body (110) having an opening (111), a lid (130) capable of opening and closing the opening (111) of the tubular body (110), and the tubular body (the lid (130))
- a sampling holder (100) having a fitting portion (140) disposed on the side opposite to 110); And a needle cover (200) for preventing accidental insertion which can be fitted to the fitting portion (140);
- the fitting portion (140) is Rib (141), And a locking portion (142) comprising one or more protrusions or recesses provided on the rib portion (141),
- the false barb needle cover (200) is It has a feature that it has the locked part (250) which can be locked to the locking part (142).
- the locking portion is hooked on the locked portion, so the engaging force of the locking portion and the locked portion
- the sampling holder and the false sting prevention needle cover can be made much more difficult to remove than before.
- the needle cover for mis-stitching is fitted into the fitting part of the sampling holder by locking the locking part to the locked part, so that the conventional blood collection set
- the false sting prevention needle cover can be fitted into the fitting portion with a lighter force.
- the locking portion (142) preferably comprises a plurality of projections or a plurality of recesses.
- a blood collection set can be obtained in which the sampling holder and the needle cover for sting prevention are more difficult to remove.
- the rib portion is a circumferential rib (141), It is preferable that the plurality of protrusions or the plurality of recesses be disposed symmetrically with respect to an imaginary line (L1) orthogonal to the central axis of the circumferential rib (141).
- the protrusions or the recesses are arranged in a well-balanced manner, and the locking portion with the mis-stitch preventing needle cover is not biased. Therefore, it becomes a blood collection set in which the sampling holder and the false sting prevention needle cover do not easily come off and are easily fitted.
- the locking portion (142) is a protrusion
- a hole (143) is provided at a position corresponding to the protrusion in the boundary portion between the surface of the lid (130) opposite to the cylindrical body (110) and the rib portion (141) Is preferred.
- the locking portion (142) is a protrusion,
- the projecting end (142P) of the locking portion (142) preferably extends toward the surface of the lid (130) on the cylindrical body (110) side.
- the locking portion is a so-called "return", so that the locked portion and the locking portion can be made more difficult to separate. As a result, it becomes a blood collection set in which the sampling holder and the false sting prevention needle cover are even more difficult to remove.
- a claw portion (131) is provided at the end of the lid (130), In the vicinity of the opening (111) of the cylindrical body (110), it is preferable that a claw hooking portion (115) which is engaged with the claw portion (131) is provided.
- the opening of the cylindrical body can be relatively easily sealed by the lid.
- the sampling holder (100) of the present invention is A tubular body (110) having an opening (111), a lid (130) capable of opening and closing the opening (111) of the tubular body (110), and the tubular body (the lid (130)) 110) is provided with a fitting portion (140) disposed on the side opposite to the The fitting portion (140) is Rib (141), And a locking portion (142) formed of one or more protrusions or recesses provided on the rib portion (141).
- the sampling holder of the present invention is provided with the above-mentioned locking portion, and therefore, by the same reason as in the case of the blood collection set described in the above [1], erroneous sting prevention when the false sting preventing needle cover is fitted.
- the sampling needle cover is less likely to be detached than in the past, and the sampling holder can be fitted with the false sting prevention needle cover with a lighter force than in the past.
- the locking portion (142) preferably comprises a plurality of protrusions or a plurality of recesses.
- the locking portion (142) is a protrusion
- a hole (143) is provided at a position corresponding to the protrusion in the boundary portion between the surface of the lid (130) opposite to the cylindrical body (110) and the rib portion (141) Is preferred.
- the false stiction needle cover is fitted with a lighter force. It becomes a sampling holder that can be inserted.
- the false barb needle cover (200) of the present invention is The present invention is characterized in that a locked portion (250) capable of being locked to the locking portion (142) of the sampling holder (100) described in the above [7] is provided.
- the false sting prevention needle cover of the present invention is provided with the above-mentioned locked portion, it has been conventionally used when fitted into a sampling holder for the same reason as in the case of the blood collection set described in the above [1]. Also, the needle cover can prevent the needle holder from being detached from the sampling holder, and can be inserted into the fitting portion of the sampling holder with a lighter force than ever before.
- the sampling holder and the false stiction prevention needle cover can be reliably engaged, the sampling holder and the false stiction prevention needle The cover and the cover can be made more difficult to remove than before. As a result, it is possible to further reduce the risk of accidental bites and blood infections at the time of disposal, and to further enhance the safety at the time of disposal.
- the false sting prevention needle cover is fitted to the fitting portion of the sampling holder by hooking the locking portion and the locked portion, as in the case of the conventional blood collection set Compared to the case where the needle cover is press-fit into the fitting portion of the lid, the false sting needle cover can be fitted into the fitting portion with a lighter force.
- FIG. 1 is a view for explaining a blood collection set 500 according to the embodiment.
- FIG. 2 is a perspective view of the false needle cover 200.
- FIG. 3 is a partially enlarged view of the locked portion 250 of the false needle cover 200.
- FIG. 4 is a perspective view of the sampling holder 100 as seen from the direction of the opening 111.
- FIG. 5 is a perspective view of the sampling holder 100 as seen from the direction of the needle mounting portion 113.
- FIG. 6A and 6B are diagrams for explaining the fitting portion 140 of the sampling holder 100, wherein FIG. 6A is a view of the lid 130 viewed from the direction of the lid surface S2, and FIG.
- FIG. 6B is a view taken in the direction of arrows VIb-VIb of FIG. It is an end elevation.
- FIGS. 7A and 7B are diagrams for explaining fitting of the false sting prevention needle cover 200 and the sampling holder 100, wherein FIG. 7A is a view before fitting the wrong sting prevention needle cover 200 into the sampling holder 100, FIG. These are figures at the time of inserting the wrong stump prevention needle cover 200 in the sampling holder 100.
- FIG. FIG. 8 is a view showing the relationship between the locking portion 142 and the locked portion 250 at the time of fitting, and FIG. 8A is a partial end face showing a state where the locked portion 250 is in contact with the locking portion 142.
- the figure, (b) is a partial end elevation showing a state when the engaged portion 250 passes over the engagement portion 142.
- the blood collection set of the present invention comprises at least a sampling holder and a needle cover for preventing accidental insertion.
- FIG. 1 is a view for explaining a blood collection set 500 according to the embodiment.
- the blood collection set 500 includes a plurality of bags for collecting or storing blood etc. (parent bag 310, sampling bag 320, first child bag 330, second child bag 340, red blood cell preservation solution Inlet bag 350), blood collection needle 410, blood filter 450, needle cover 200 for preventing accidental insertion, and sampling holder 100.
- the parent bag 310 is connected to the blood collection needle 410 via the blood collection tube T1.
- a first branch pipe 420 is provided in the middle of the blood collection tube T1, and a sampling bag 320 is connected to the branch pipe 420 via an initial flow blood introduction tube T2.
- the sampling holder 100 is connected to the sampling bag 320, and a false needle cover 200 is attached near the blood collection needle 410 of the blood collection tube T1.
- the parent bag 310 is connected to the first child bag 330 separately from the blood collection tube T1 via the first connection tube T3. In the middle of the first connection tube T3, a blood filter 450 for the purpose of removing leukocytes and the like is provided.
- the first child bag 330 is connected to the second branch pipe 430 separately from the first connection tube T3 via the second connection tube T4.
- One of the second branch pipes 430 is connected to the second child bag 340 via the third connection tube T5, and the other is connected to the red blood cell storage solution containing bag 350 via the fourth connection tube T6.
- the parent bag 310 and the red blood cell storage solution bag 350 contain red blood cell storage solution such as MAP (Mannitol Adenine Phosphate) solution or an anticoagulant (not shown).
- FIG. 2 is a perspective view of the false needle cover 200
- FIG. 3 is a partially enlarged view of the engaged portion 250 of the false needle cover 200.
- the false needle cover 200 according to the embodiment is formed of a tubular body whose both ends are open, and from one end of the tubular body to the other end, the tubular body flange portion 210, the large diameter portion 220. , Polygons 240 are formed.
- the tubular barbed portion 210 side is the proximal end side of the false needle cover 200
- the polygonal portion 240 side is the tip of the false needle cover 200. Define as the side. As shown in FIG.
- an engaged portion 250 protruding outward is provided over the entire circumference.
- the locked portion 250 has a tapered shape whose diameter decreases toward the proximal end.
- the distal end side opening of the false sting prevention needle cover 200 is a tube insertion path 260, and the opening diameter is slightly larger than the diameter of the blood collection tube T1.
- the tubular collar portion 210 has a circular cross section, and the outer diameter thereof is sized to be positioned inside the inner peripheral surface of the fitting portion 140 provided on the lid 130 of the sampling holder 100 described later.
- the large diameter portion 220 also has a circular cross section, and the outer diameter of the large diameter portion 220 is slightly smaller than the outer diameter of the tubular body collar portion 210, but the inner diameter of the large diameter portion 220 is the inner diameter of the tubular body collar portion 210 It is formed almost the same as
- the polygon part 240 has a substantially square cross section.
- a plastic material such as polypropylene can be preferably used as the material of the false sting prevention needle cover 200.
- the false sting prevention needle cover 200 is inserted into the blood collection tube T ⁇ b> 1 with its proximal end directed to the blood collection needle 410 side.
- the needle cover 200 for preventing accidental insertion is slid toward the blood collection needle 410, and the blood collection needle 410 is accommodated in the needle cover 200 for preventing erroneous insertion.
- FIG. 4 is a perspective view of the sampling holder 100 as viewed from the direction of the opening 111
- FIG. 5 is a perspective view as viewed from the direction of the needle mounting portion 113.
- a cylindrical body 110 having both ends open, a lid 130 capable of opening and closing one opening 111 of the cylindrical body 110, and a lid And a fitting portion 140 provided on the lid surface S2 of 130.
- a plastic material such as polypropylene can be preferably used as polypropylene.
- the cylindrical body 110 has a cylindrical shape, and an opening 111 is provided at one end of the cylindrical body 110.
- the end on the needle mounting portion 113 side which is the other end of the cylindrical body 110, has a tapered shape with a reduced diameter, and the tip of the tapered shape is a circle formed substantially perpendicular to the central axis of the cylindrical body 110. It has a face 112.
- the center of the circular surface 112 is open, and the needle mounting portion 113 is provided in the opening.
- the needle mounting portion 113 is mounted with a sampling needle 440 (see FIG. 1) for blood collection tube.
- the edge of the opening 111 of the cylindrical body 110 is provided with an opening ridge 114 having a substantially elliptical shape.
- a hook hook portion 115 is provided in the opening hook portion 114, and is formed to be hookable with a hook portion 131 of the lid 130 described later.
- a hinge 120 is provided on the opposite side of the hook hooking portion 115 in the opening collar portion 114, and the lid 130 is connected via the hinge 120.
- the lid 130 has substantially the same shape as the outer periphery of the opening collar 114, that is, a substantially elliptical shape.
- a claw portion 131 is provided at a predetermined position (that is, a position opposite to the hinge 120) of the lid back surface S1 in the lid 130.
- the tip of the claw portion 131 protrudes like a hook toward the hinge 120 side, and is formed so as to be hookable to the claw hooking portion 115 when the lid 130 is sealed.
- FIG. 6 is a view for explaining the fitting portion 140 of the sampling holder 100.
- FIG. 6 (a) is a view of the lid 130 seen from the direction of the lid surface S2
- FIG. 6 (b) is a partial end view around the locking portion 142 (i.e., an end face in FIG. 6 (a) Figure).
- the fitting portion 140 has a circumferential rib 141 as a rib portion and a locking portion 142 formed of a protrusion provided on the inner circumferential surface of the circumferential rib 141.
- the circumferential rib 141 is formed in such a position that the circumference of the circumferential rib 141 overlaps the circumference of the opening 111 of the cylindrical body 110 when the lid 130 is sealed.
- the protruding height of the circumferential rib 141 (the height of the circumferential rib 141 projecting from the lid surface S2) is, for example, about 2 mm.
- the locking portion 142 formed of a protrusion is formed to project from the inner peripheral surface of the circumferential rib 141 in the central axis direction of the circumferential rib 141.
- five locking portions 142 are provided, and are arranged symmetrically with respect to an imaginary line L1 orthogonal to the central axis of the circumferential rib 141 (see FIG. 6A).
- the protruding end 142P of the locking portion 142 extends toward the lid surface S2, and the outer side surface of the locking portion 142 is formed as an inclined surface (see FIG. 6B).
- the sampling holder 100 is used by connecting the needle attachment unit 113 provided with the sampling needle 440 to the sampling back 320.
- the operator opens the lid 130, inserts a blood collection tube (not shown) into the cylindrical body 110, and collects the blood in the sampling bag 320. After blood collection, the blood collection tube is removed from the cylindrical body 110 and sealed with the lid 130.
- FIG. 7 is a view for explaining fitting of the false sting prevention needle cover 200 and the sampling holder 100
- FIG. 7 (a) is a view before fitting the false sting prevention needle cover 200 into the sampling holder 100
- FIG. 7B is a view when the false sting prevention needle cover 200 is fitted into the sampling holder 100
- FIG. 8 is a view showing the relationship between the locking portion 142 and the locked portion 250 at the time of fitting
- FIG. 8A shows the state when the locked portion 250 is in contact with the locking portion 142
- FIG. 8B is a partial end view showing a state when the engaged portion 250 passes over the engagement portion 142. As shown in FIG.
- a hole 143 is provided at the boundary between the lid surface S2 and the circumferential rib 141.
- the holes 143 are provided at positions corresponding to the locking portions 142 as understood from FIGS. 4 and 6.
- the locking portion 142 is hooked on the locked portion 250.
- the engagement force between the stop portion 142 and the engaged portion 250 can make the sampling holder 100 and the erroneous-stick-preventing needle cover 200 much more difficult to remove than in the past.
- the false sting prevention needle cover 200 is fitted into the fitting portion 140 of the sampling holder 100 by locking the locking portion 142 to the locked portion 250. Therefore, as in the case of the conventional blood collection set, the needle cover 200 for erroneous sting prevention is fitted to the engaging portion 140 with a lighter force than in the case where the false sting prevention needle cover is pressed into the fitting portion of the lid. Can be fitted into the
- the blood collection set 500 since the locking portion 142 is formed of a plurality of projections, the blood collection set is such that the sampling holder 100 and the needle cover 200 for preventing accidental insertion are more difficult to remove.
- the plurality of protrusions are symmetrical with respect to a virtual line L1 orthogonal to the central axis of the circumferential rib 141. Since the protrusions (locking portions 142) are arranged in a well-balanced manner, the locking portions with the wrong-needle needle cover 200 are not biased. Therefore, it becomes a blood collection set in which the sampling holder 100 and the false sting prevention needle cover 200 do not easily come off and are easily fitted.
- the locking portion 142 is a protrusion, and a hole 143 is provided at a position corresponding to the locking portion 142 in the boundary portion between the lid surface S2 and the circumferential rib 141. ing.
- the locking portion 142 resists the pressing. Power works.
- the hole 143 is provided at the position corresponding to the locking portion 142, the resistance force acting on the locking portion 142 can be relatively reduced. As a result, the resistance at the time of fitting the false sting prevention needle cover 200 into the fitting portion 140 can be reduced, and the false sting prevention needle cover 200 can be fitted into the fitting portion 140 with a lighter force. .
- the lid 130 since the lid 130 is connected to the cylindrical body 110 via the hinge 120, the lid 130 is not lost when the lid 130 is removed.
- the claw portion 131 is provided at the end of the lid 130, and the claw hooking portion 115 that is engaged with the claw portion 131 in the vicinity of the opening 111 of the cylindrical body 110. Is provided. Therefore, the opening 111 of the cylindrical body 110 can be sealed relatively easily by the lid 130.
- the locking portion 142 is a protrusion, and the projecting end 142P of the locking portion 142 extends toward the lid surface S2 (see FIG. 6B). That is, the locking portion 142 is a so-called "return". For this reason, after the engaged portion 250 passes over the engagement portion 142 (after the insertion of the false needle cover 200 is completed), the false needle cover 200 has a direction opposite to that of the lid surface S2. Even if it moves in the direction (the direction in which the false sting prevention needle cover 200 is removed), the locked portion 250 and the locking portion 142 are reliably caught and the false stiction prevention needle cover 200 is separated from the fitting portion 140 It is possible to further suppress the loss.
- the protruding height of the circumferential rib 141 as the rib portion is 1 mm to 5 mm. If the protruding height of the circumferential rib 141 is less than 1 mm, the locking portion 142 becomes relatively small, and it is not easy to obtain a desired degree of engagement force. On the other hand, when the projecting height of the circumferential rib 141 is larger than 5 mm, it may be difficult to separate the sampling holder 100 from the mold during manufacture. Therefore, by setting the projection height of the circumferential rib 141 as the rib portion to 1 mm to 5 mm, a blood collection set which is hard to be detached and which is easy to manufacture can be obtained.
- the sampling holder 100 is provided with the above-mentioned locking portion 142, and therefore, the erroneous insertion preventing needle when the erroneous insertion preventing needle cover 200 is inserted for the same reason as in the case of the blood collection set 500. It becomes the sampling holder 100 which the cover 200 does not remove easily compared with the past, and can fit in the needle cover 200 for incorrect point prevention with force smaller than before.
- the false sting prevention needle cover 200 Since the false sting prevention needle cover 200 according to the embodiment is provided with the above-mentioned engaged portion 250, sampling for the same time as in the case of the blood collection set 500 is performed when fitting into the sampling holder 100 It becomes the needle cover 200 for preventing accidental insertion which can not be easily detached from the holder 100 and can be fitted into the fitting portion 140 of the sampling holder 100 with a force smaller than that of the conventional case.
- the blood collection set 500 has a plurality of bags (a parent bag 310, a sampling bag 320, a first child bag 330, a second child bag 340, and a red blood cell storage solution bag 350).
- the present invention is not limited to this.
- the type of bag is not limited to the above-described bag, and the number of bags may be one to four or six or more.
- the blood collection set 500 includes the blood filter 450 in the above embodiment, the blood filter may be omitted. In other words, the configuration is not particularly limited as long as it is a blood collection set including at least the false needle cover of the present invention and the sampling holder.
- the locking portion 142 of the sampling holder 100 and the locked portion 250 of the false needle cover 200 both are protrusions, but the present invention is not limited to this. Either one may be a recess. That is, it may be a combination of "the locking portion is a protrusion, the locked portion is a recess” or "the locking portion is a recess, and the locked portion is a protrusion”.
- the locking portion 142 of the sampling holder 100 is a protrusion protruding from the inner peripheral surface of the circumferential rib 141 as a rib portion, but the present invention is not limited to this. It may be a protrusion or a recess provided on the outer peripheral surface of the rib portion.
- the inner peripheral surface of the tubular collar portion 210 of the false sting needle cover 200 is located outside the outer peripheral surface of the rib portion, and the rim portion of the inner peripheral surface of the tubular collar portion 210 is What is necessary is just to form a locked part.
- the present invention is limited to this. It is not a thing.
- the inner peripheral surface of the tubular body collar portion 210 and the outer peripheral surface of the rib portion, or the outer peripheral surface of the tubular body collar portion 210 and the inner peripheral surface of the rib portion May be in contact with each other or separated from each other.
- the inner peripheral surface or the outer peripheral surface of the tubular body collar portion 210 and the outer peripheral surface or the inner peripheral surface of the rib portion can also be configured to touch each other.
- cylindrical object 110 and lid 130 of sampling holder 100 are connected via hinge 120
- the connecting portion may be, for example, a string-like member or a chain-like member other than the hinge.
- the tubular body 110 and the lid 130 may be separated without any member. In this case, the materials of the cylindrical body and the lid may be different.
- cylindrical object 110 of sampling holder 100 is cylindrical
- the present invention is not limited to this.
- the tubular body may have a polygonal cross section as long as a blood collection tube can be inserted inside.
- the circumferential rib 141 was illustrated and demonstrated as a rib part, this invention is not limited to this.
- the shape of the rib portion may not be circular, but may be a polygon such as a triangle or a square. Further, the ribs forming the rib portion do not have to be all connected, and may have a shape having a notch in part.
- the false sting prevention needle cover 200 is formed of a tubular body having a large diameter portion 220 of circular cross section and a polygonal portion 240 of substantially square cross section. It is not limited. The whole may be a tubular body of circular cross section, or the whole may be a tubular body of polygonal cross section. Moreover, in the said embodiment, although the polygon part 240 of the needle cover 200 for incorrect sting prevention has a substantially square cross section, this invention is not limited to this. It may be a triangle or a polygon with five or more sides.
- the cross-sectional shape of the tubular body of the false sting prevention needle cover is not particularly limited.
- the to-be-locked part 250 of the false sting prevention needle cover 200 is provided so as to project outward over the entire circumference, the present invention is not limited to this.
- the locked portions 250 need not all be connected, and may have a shape having a notch in part.
- the sampling holder and the false sting prevention needle cover of the present invention are not limited to a blood collection set having a bag for collecting or storing blood etc.
- the present invention is also applicable to an infusion circuit set configured to be connectable to a bag.
- the sampling holder and the needle cover for false sting can be reliably engaged, disposal of the used needle in the medical field
- the treatment can be performed safely and reliably, and can be used not only for a blood collection set equipped with a blood collection needle, but also for a blood circuit set equipped with a dialysis needle and an infusion circuit set equipped with a drip needle.
- Reference Signs List 100 sampling holder 110 cylindrical body 111 opening 112 circular surface 113 needle mounting portion 114 opening hook 115 hook hook 120 hinge 130 lid 131 hook 131 hook 141 circumferential rib 142 locking portion 142 P locking portion Pointed point 143 Hole 200 Needle gap for preventing sting 210 Tubular body collar 220 Large diameter part 240 Polygonal part 250 Locked part 260 Tube insertion path 310 Parent bag 320 Sampling bag 330 First child bag 340 Second child bag 350 Red blood cells Storage solution containing bag 410 blood collection needle 420 first branch pipe 430 second branch pipe 440 sampling needle 450 blood filter 500 blood collection set L1 virtual line S1 orthogonal to center axis of circumferential rib lid back surface S2 lid surface T1 blood collection tube T2 initial flow Blood introduction tube T3 first connection Over Bed T4 second connecting tube T5 third connecting tube T6 fourth connecting tube
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Abstract
Description
このような要望に対し、特許文献1に記載された従来の採血セットにおいては、廃棄の際にサンプリングホルダと誤刺防止用針カバーとが外れないようにしようとすると、比較的強い力で誤刺防止用針カバーを蓋体の嵌合部に押し込む必要がある。サンプリングホルダと誤刺防止用針カバーとの外れにくさを向上させることは勿論重要であるが、採血セットを使用する者の立場に立つと、より軽い力で誤刺防止用針カバーを嵌合部に嵌め込むことができる方が望ましい。
開口部(111)を有する筒状体(110)、前記筒状体(110)の前記開口部(111)を開閉可能な蓋体(130)及び前記蓋体(130)における前記筒状体(110)とは反対側の面に配置された嵌合部(140)を有するサンプリングホルダ(100)と、
前記嵌合部(140)に嵌合可能な誤刺防止用針カバー(200)とを備え、
前記嵌合部(140)は、
リブ部(141)と、
前記リブ部(141)に設けられた一つ以上の突部または凹部からなる係止部(142)とを有し、
前記誤刺防止用針カバー(200)は、
前記係止部(142)に係止可能な被係止部(250)を有することを特徴としている。
前記リブ部が円周リブ(141)であり、
前記複数の突部または前記複数の凹部は、前記円周リブ(141)の中心軸に直交する仮想線(L1)に対して対称的に配置されていることが好ましい。
前記係止部(142)が突部であり、
前記蓋体(130)における前記筒状体(110)とは反対側の面と前記リブ部(141)との境界部分のうち、前記突部に対応する位置には穴(143)が設けられていることが好ましい。
前記係止部(142)が突部であり、
前記係止部(142)の突端(142P)は、前記蓋体(130)における前記筒状体(110)側の面に向けて伸びていることが好ましい。
前記蓋体(130)の端部には、爪部(131)が設けられており、
前記筒状体(110)の前記開口部(111)近傍には、前記爪部(131)と引っ掛かりあう爪引っ掛け部(115)が設けられていることが好ましい。
開口部(111)を有する筒状体(110)、前記筒状体(110)の前記開口部(111)を開閉可能な蓋体(130)及び前記蓋体(130)における前記筒状体(110)とは反対側の面に配置された嵌合部(140)を備え、
前記嵌合部(140)は、
リブ部(141)と、
前記リブ部(141)に設けられた一つ以上の突部または凹部からなる係止部(142)とを有することを特徴としている。
前記係止部(142)が、複数の突部または複数の凹部からなることが好ましい。
前記係止部(142)が突部であり、
前記蓋体(130)における前記筒状体(110)とは反対の面と前記リブ部(141)との境界部分のうち、前記突部に対応する位置には、穴(143)が設けられていることが好ましい。
上記[7]に記載のサンプリングホルダ(100)の前記係止部(142)に係止可能な被係止部(250)を備えたことを特徴としている。
本発明の採血セットは、少なくともサンプリングホルダと誤刺防止用針カバーとを備えるものである。
まず、実施形態に係る採血セット500の構成について、図1を用いて説明する。
実施形態に係る採血セット500は、図1に示すように、血液等を採取または保存する複数のバッグ(親バッグ310、サンプリングバッグ320、第一子バッグ330、第二子バッグ340、赤血球保存液入バッグ350)、採血針410、血液フィルター450、誤刺防止用針カバー200及びサンプリングホルダ100を有する。
親バッグ310は採血チューブT1を介して採血針410と接続している。採血チューブT1の途中には第一分岐管420があり、この分岐管420には初流血液導入チューブT2を介してサンプリングバッグ320が接続されている。サンプリングバッグ320にはサンプリングホルダ100が接続されており、採血チューブT1の採血針410近傍には誤刺防止用針カバー200が取付けられている。
親バッグ310は採血チューブT1とは別に、第一連結チューブT3を介して第一子バッグ330と接続している。第一連結チューブT3の途中には白血球除去等を目的とした血液フィルター450が設けられている。更に、第一子バッグ330は第一連結チューブT3とは別に第二連結チューブT4を介して第二分岐管430と接続している。第二分岐管430の一方は第三連結チューブT5を介して第二子バッグ340と、他方は第四連結チューブT6を介して赤血球保存液入バッグ350と接続している。
親バッグ310及び赤血球保存液入バッグ350は、例えばMAP(Mannitol Adenine Phosphate)液のような赤血球保存液または抗凝固剤を収納している(図示せず)。
図2は誤刺防止用針カバー200の斜視図、図3は誤刺防止用針カバー200の被係止部250の部分拡大図である。
図2に示すように、実施形態に係る誤刺防止用針カバー200は両端が開口した管状体からなり、管状体の一方端から他方端に向かって、管状体鍔部210、大径部220、多角形部240を形成している。なお本明細書の誤刺防止用針カバーの説明においては、管状体鍔部210側を誤刺防止用針カバー200の基端側、多角形部240側を誤刺防止用針カバー200の先端側と定義する。
図2及び図3に示すように、誤刺防止用針カバー200の基端側開口の外縁には、全周に亘って外側に向けて突出した被係止部250が設けられている。この被係止部250は基端側に向けて縮径したテーパ形状になっている。一方、誤刺防止用針カバー200の先端側開口はチューブ挿入路260になっており、その開口径は採血チューブT1の径よりも若干大きくなっている。
大径部220も円形の断面を有しており、大径部220の外径は管状体鍔部210の外径よりも若干小さいが、大径部220の内径は管状体鍔部210の内径とほぼ同じく形成されている。
多角形部240は、略正方形の断面を有している。
なお、誤刺防止用針カバー200の材料は、ポリプロピレン等のプラスチック素材を好ましく用いることが出来る。
図4はサンプリングホルダ100を開口部111方向から見た斜視図、図5は針装着部113方向から見た斜視図である。
実施形態に係るサンプリングホルダ100は、図4及び図5に示すように、両端を開口した筒状体110と、筒状体110の一方の開口部111を開閉可能な蓋体130と、蓋体130の蓋表面S2に設けられた嵌合部140とを有している。このサンプリングホルダ100の材料は、例えばポリプロピレン等、プラスチック素材を好ましく用いることができる。
また、開口鍔部114のうち爪引っ掛け部115の反対側にはヒンジ120が設けられ、ヒンジ120を介して蓋体130が接続されている。
蓋体130は開口鍔部114の外周とほぼ同じ形状、すなわち略楕円形を有する。
嵌合部140は、リブ部としての円周リブ141と、円周リブ141の内周面に設けられた突部からなる係止部142とを有している。円周リブ141は蓋体130を封止した際に円周リブ141の円周が筒状体110の開口部111の円周と重なる位置となるように形成されている。すなわち円周リブ141と開口部111の中心軸はほぼ一致し、直径もほぼ等しい。円周リブ141の突出高さ(蓋表面S2から突出する円周リブ141の高さ)は例えば約2mmに形成されている。
突部からなる係止部142は、円周リブ141の内周面から円周リブ141の中心軸方向に向けて突出して形成されている。係止部142は、例えば5個設けられており、円周リブ141の中心軸と直交する仮想線L1に対して対称的に配置されている(図6(a)参照)。係止部142の突端142Pは蓋表面S2に向けて延びており、係止部142の外側側面は傾斜面として形成されている(図6(b)参照)。
サンプリングバッグ320に血液が溜まると、作業者は蓋体130を開け、筒状体110に採血管(図示せず)を挿入してサンプリングバッグ320内の血液を採取する。血液採取後は、筒状体110から採血管を抜き取り、蓋体130で封止する。
また図8は嵌め込み時の係止部142と被係止部250との関係を示す図であり、うち図8(a)は被係止部250が係止部142と接している時の状態を示す部分端面図、図8(b)は被係止部250が係止部142を乗り越えた時の状態を示す部分端面図である。
このとき、図8(a)に示すように被係止部250が係止部142と接触して押圧されると、被係止部250は、その側面が係止部140の傾斜面に沿うようにして挿入され、図8(b)に示すように被係止部250が係止部142を乗り越えることで嵌め込みが完了する。被係止部250が係止部142を乗り越えたとき、「カチッ」という音が生じるため、作業者は嵌め込みが完了したと判断することが出来る。
誤刺防止用針カバー200を嵌合部140に嵌め込む際、誤刺防止用針カバー200の被係止部250が係止部142を押圧すると、係止部142には押圧に対して抵抗する力が働く。このとき、係止部142に対応する位置に穴143が設けられていることから、係止部142に働く抵抗力を比較的小さくすることが出来る。その結果、誤刺防止用針カバー200を嵌合部140に嵌め込む際の抵抗を小さくすることができ、より軽い力で誤刺防止用針カバー200を嵌合部140に嵌め込むことが出来る。
このため、被係止部250が係止部142を乗り越えた後(誤刺防止用針カバー200の嵌め込みが完了した後)は、誤刺防止用針カバー200が蓋表面S2とは逆の方向(誤刺防止用針カバー200が外れる方向)に動いたとしても、被係止部250と係止部142とが確実に引っ掛かりあい、誤刺防止用針カバー200が嵌合部140から外れてしまうのをさらに抑制することが可能となる。
円周リブ141の突出高さが1mm未満の場合、係止部142が比較的小さくなってしまうため、望ましい程度の係合力を得ることが容易ではない。
一方、円周リブ141の突出高さが5mmより大きい場合、製造時、サンプリングホルダ100を金型から離型することが困難になる場合がある。
故に、リブ部としての円周リブ141の突出高さを1mm~5mmとすることにより、外れにくく、かつ製造が容易な採血セットとなる。
換言すると、本発明の誤刺防止用針カバーとサンプリングホルダとを少なくとも備える採血セットであれば、その構成は特に限定されるものではない。
また筒状体110と蓋体130とが、何の部材も介さずに切り離されていても構わない。この場合、筒状体と蓋体の素材が異なっていても良い。
また、上記実施形態においては、誤刺防止用針カバー200の多角形部240が略正方形断面を有しているが、本発明はこれに限定されない。三角形、または五角形以上の多角形であってもかまわない。
ともかく、採血チューブと採血針が挿入できるのであれば、誤刺防止用針カバーの管状体の断面形状は特に限定されるものではない。
110 筒状体
111 開口部
112 円面
113 針装着部
114 開口鍔部
115 爪引っ掛け部
120 ヒンジ
130 蓋体
131 爪部
140 嵌合部
141 円周リブ
142 係止部
142P 係止部の突端
143 穴
200 誤刺防止用針カバー
210 管状体鍔部
220 大径部
240 多角形部
250 被係止部
260 チューブ挿入路
310 親バッグ
320 サンプリングバッグ
330 第一子バッグ
340 第二子バッグ
350 赤血球保存液入バッグ
410 採血針
420 第一分岐管
430 第二分岐管
440 サンプリング針
450 血液フィルター
500 採血セット
L1 円周リブの中心軸に直交した仮想線
S1 蓋裏面
S2 蓋表面
T1 採血チューブ
T2 初流血液導入チューブ
T3 第一連結チューブ
T4 第二連結チューブ
T5 第三連結チューブ
T6 第四連結チューブ
Claims (10)
- 開口部を有する筒状体、前記筒状体の前記開口部を開閉可能な蓋体及び前記蓋体における前記筒状体とは反対側の面に配置された嵌合部を有するサンプリングホルダと、
前記嵌合部に嵌合可能な誤刺防止用針カバーとを備え、
前記嵌合部は、
リブ部と、
前記リブ部に設けられた一つ以上の突部または凹部からなる係止部とを有し、
前記誤刺防止用針カバーは、
前記係止部に係止可能な被係止部を有することを特徴とする採血セット。 - 前記係止部は、複数の突部または複数の凹部からなることを特徴とする、請求項1に記載の採血セット。
- 前記リブ部が円周リブであり、
前記複数の突部または前記複数の凹部は、前記円周リブの中心軸に直交する仮想線に対して対称的に配置されていることを特徴とする、請求項2に記載の採血セット。 - 前記係止部が突部であり、
前記蓋体における前記筒状体とは反対側の面と前記リブ部との境界部分のうち、前記突部に対応する位置には穴が設けられていることを特徴とする、請求項1から3のいずれか一項に記載の採血セット。 - 前記係止部が突部であり、
前記係止部の突端は、前記蓋体における前記筒状体側の面に向けて伸びていることを特徴とする、請求項1から4のいずれか一項に記載の採血セット。 - 前記蓋体の端部には、爪部が設けられており、
前記筒状体の前記開口部近傍には、前記爪部と引っ掛かりあう爪引っ掛け部が設けられていることを特徴する、請求項1から5のいずれか一項に記載の採血セット。 - 開口部を有する筒状体、前記筒状体の前記開口部を開閉可能な蓋体及び前記蓋体における前記筒状体とは反対側の面に配置された嵌合部を備え、
前記嵌合部は、
リブ部と、
前記リブ部に設けられた一つ以上の突部または凹部からなる係止部とを有することを特徴とするサンプリングホルダ。 - 前記係止部は、複数の突部または複数の凹部からなることを特徴とする、請求項7に記載のサンプリングホルダ。
- 前記係止部が突部であり、
前記蓋体における前記筒状体とは反対の面と前記リブ部との境界部分のうち、前記突部に対応する位置には、穴が設けられていることを特徴とする、請求項7または8に記載のサンプリングホルダ。 - 請求項7に記載のサンプリングホルダの前記係止部に係止可能な被係止部を備えたことを特徴とする、誤刺防止用針カバー。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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US13/380,277 US8956307B2 (en) | 2009-07-01 | 2010-06-28 | Blood collection set, sampling holder, and needlestick-preventive needle cover |
ES10794119.7T ES2442628T3 (es) | 2009-07-01 | 2010-06-28 | Equipo de extracción de sangre, soporte de muestra, y cubierta de agujas para evitar la inserción errónea de la aguja |
SG2011095973A SG177351A1 (en) | 2009-07-01 | 2010-06-28 | Blood collection set, sampling holder, and needlestick-preventive needle cover |
EP10794119.7A EP2450070B1 (en) | 2009-07-01 | 2010-06-28 | Blood collection set, sampling holder, and needle cover for preventing erroneous needle insertion |
JP2011520918A JP5621139B2 (ja) | 2009-07-01 | 2010-06-28 | 採血セット及びサンプリングホルダ |
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PCT/JP2010/061001 WO2011001950A1 (ja) | 2009-07-01 | 2010-06-28 | 採血セット、サンプリングホルダ及び誤刺防止用針カバー |
Country Status (7)
Country | Link |
---|---|
US (1) | US8956307B2 (ja) |
EP (1) | EP2450070B1 (ja) |
JP (1) | JP5621139B2 (ja) |
ES (1) | ES2442628T3 (ja) |
SG (1) | SG177351A1 (ja) |
TW (1) | TWI442950B (ja) |
WO (1) | WO2011001950A1 (ja) |
Cited By (2)
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WO2014033911A1 (ja) * | 2012-08-31 | 2014-03-06 | テルモ株式会社 | 採血器具及び血液バッグシステム |
WO2016152950A1 (ja) * | 2015-03-24 | 2016-09-29 | テルモ株式会社 | 採血セット |
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AU2017315340B2 (en) | 2016-08-24 | 2022-02-24 | Becton, Dickinson And Company | A device for the attached flow of blood |
AU2018227418B2 (en) * | 2017-03-01 | 2023-11-02 | Fenwal, Inc. | Sample tube holder and system and method employing same |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014033911A1 (ja) * | 2012-08-31 | 2014-03-06 | テルモ株式会社 | 採血器具及び血液バッグシステム |
JP5918372B2 (ja) * | 2012-08-31 | 2016-05-18 | テルモ株式会社 | 採血器具及び血液バッグシステム |
US10517519B2 (en) | 2012-08-31 | 2019-12-31 | Terumo Kabushiki Kaisha | Blood sampling device and blood bag system |
WO2016152950A1 (ja) * | 2015-03-24 | 2016-09-29 | テルモ株式会社 | 採血セット |
Also Published As
Publication number | Publication date |
---|---|
TW201106996A (en) | 2011-03-01 |
EP2450070B1 (en) | 2013-10-16 |
EP2450070A1 (en) | 2012-05-09 |
EP2450070A4 (en) | 2012-12-12 |
US20120095368A1 (en) | 2012-04-19 |
TWI442950B (zh) | 2014-07-01 |
ES2442628T3 (es) | 2014-02-12 |
US8956307B2 (en) | 2015-02-17 |
JPWO2011001950A1 (ja) | 2012-12-13 |
SG177351A1 (en) | 2012-02-28 |
JP5621139B2 (ja) | 2014-11-05 |
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