WO2020241373A1 - 採血用ホルダ - Google Patents

採血用ホルダ Download PDF

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Publication number
WO2020241373A1
WO2020241373A1 PCT/JP2020/019746 JP2020019746W WO2020241373A1 WO 2020241373 A1 WO2020241373 A1 WO 2020241373A1 JP 2020019746 W JP2020019746 W JP 2020019746W WO 2020241373 A1 WO2020241373 A1 WO 2020241373A1
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WO
WIPO (PCT)
Prior art keywords
holding member
holding
holder
portions
blood collection
Prior art date
Application number
PCT/JP2020/019746
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
勇輝 間中
Original Assignee
株式会社トップ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社トップ filed Critical 株式会社トップ
Publication of WO2020241373A1 publication Critical patent/WO2020241373A1/ja

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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
    • A61B5/153—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 holder that holds a tubular member.
  • a blood collection kit is used when collecting a blood sample for a blood test or the like.
  • the blood collection kit collects blood from the human body with a blood collection tool, and stores the collected blood sample in a vacuum blood collection tube attached to a blood collection holder.
  • the blood collection tool an adapter to which the blood collection tool is connected, and the like. It includes a blood collection holder to which an adapter is attached, and a vacuum blood collection tube held by the blood collection holder.
  • the blood collection holder described in Patent Document 1 includes a ceiling-shaped first adapter (first holding member) having a top surface portion and a tubular second adapter (second holding member), and is a second holding member.
  • a plate-shaped holding portion that can be elastically deformed is formed at the tip portion, the holding portion is deformed by a vacuum collecting blood vessel inserted in the second holding member, and vacuum collecting is performed by the elastic deformation force of the deformed holding portion. Holds blood vessels.
  • Patent Document 1 when the vacuum blood collection tube is inserted into the second holding member and held, the holding portion is placed on the inner surface of the top surface portion of the first holding member in order to maintain the elastic deformation force of the holding portion of the second holding member. Cannot be brought into contact. Therefore, there is a problem that the tip end side of the second holding member cannot be positioned.
  • the blood collection holder of the present invention is a blood collection holder that holds a tubular member, and is inserted into a topped cylinder-shaped first holding member having a top surface portion and inside the first holding member in the axial direction from the bottom surface side.
  • the tubular second holding member is provided with a tubular second holding member that is attached to the first holding member and the tubular member is inserted into the inside from the bottom surface side thereof, and the tubular tip surface of the second holding member is the first. 1
  • the axial direction of the second holding member is positioned, and the second holding member extends from the tip surface toward the proximal end side in the radial direction.
  • a plurality of notches penetrating the second holding member are formed, and the portion of the second holding member in which the plurality of notches are formed is elastically deformable and is inserted into the inside of the second holding member.
  • a plurality of deformation holding portions for holding the tubular member are formed by an elastic deformation force that is deformed outward in the radial direction by the member and restored to the original shape, and the plurality of deformation holding portions are deformed. Even in such a case, the tip thereof is arranged on the proximal end side of the tip surface of the second holding member.
  • the second holding member is held by the deformed holding portion of the second holding member, and the tip surface of the second holding member is brought into contact with the inner surface of the top surface portion of the first holding member.
  • the tip of the can be positioned at the tip.
  • the plurality of deformation holding portions have diameters of the second holding member within a range excluding a portion of the inner surface of the top surface portion of the first holding member, which is in contact with the tip surface of the second holding member.
  • a plurality of convex receiving portions for receiving the tips of the plurality of deformation holding portions are formed, and the second holding member is deformed radially outward to hold the tubular member. It is preferable that a gap is formed between the plurality of deformation holding portions in the state and the inner surface of the side surface of the first holding member.
  • the deformation holding portion can be further deformed radially outward by the amount of the gap, and the tubular member having an outer diameter larger than the reference can be further deformed. Can be held.
  • the blood collection holder of the present invention is a blood collection holder that holds a tubular member, and is inserted into a topped cylinder-shaped first holding member having a top surface portion and inside the first holding member in the axial direction from the bottom surface side.
  • the second holding member is provided with a tubular second holding member that is attached to the first holding member and the tubular member is inserted into the inside from the bottom surface side thereof, and the second holding member has a base end portion thereof. It is connected to the second holding member and is provided so as to be elastically deformable, and is deformed radially outward by the tubular member inserted inside the second holding member to restore the original shape.
  • the first holding member has a plurality of deformation holding portions.
  • a plurality of receiving portions for receiving the tip portions of the plurality of deformation holding portions are formed, and the plurality of deformation holding portions are up to the first insertion state in which the tip portions of the plurality of deformation holding portions abut on the plurality of receiving portions.
  • a bent portion bent outward in the radial direction of the second holding member is formed, and the bent portion is bent when the tubular member is inserted to a second insertion state in which the tubular member projects toward the tip end side from the bent portion. It is characterized in that it is deformed in the direction opposite to the direction to hold the tubular member.
  • a plurality of bent portions may be formed.
  • the receiving portion include a convex portion and an opening. When the receiving portion is an opening, the tip end portion of the deformation holding portion abuts on the edge portion of the opening and is received.
  • the diameter of the second holding member is larger than that in which the bent portion is not deformed in the opposite direction.
  • the amount of deformation of the plurality of deformation holding portions when deformed outward in the direction can be increased, and the holding force for holding the tubular member by the plurality of deformation holding portions can be increased.
  • FIG. 2 is a sectional view taken along line III-III of FIG. 2, showing a first holder and a second holder of the blood collection holder.
  • FIG. 2 is a sectional view taken along line IV-IV of FIG. 2 showing a first holder and a second holder of a blood collection holder and a seal type vacuum blood collection tube.
  • FIG. 2 is a sectional view taken along line III-III of FIG. 2, showing the first holder and the second holder of the blood collection holder with the rubber stopper type vacuum collection tube inserted, and the rubber stopper type vacuum collection tube.
  • FIG. 2 is a sectional view taken along line III-III of FIG. 2, showing the first holder and the second holder of the blood collection holder in a state where a rubber stopper type vacuum collection tube is further inserted, and a rubber stopper type vacuum collection tube.
  • FIG. 2 is a sectional view taken along line III-III of FIG. 2, showing a first holder and a second holder of a blood collection holder holding a rubber stopper type vacuum collection tube, and a rubber stopper type vacuum collection tube.
  • FIG. 2 is a sectional view taken along line III-III of FIG. 2, showing the first holder and the second holder of the blood collection holder with the overcap type vacuum collection tube inserted, and the overcap type vacuum collection tube.
  • FIG. 2 is a cross-sectional view taken along line III-III of FIG. 2, showing a first holder and a second holder of a blood collection holder in a state where an overcap type vacuum blood collection tube is further inserted, and an overcap type vacuum blood collection tube.
  • FIG. 2 is a sectional view taken along line III-III of FIG. 2, showing a first holder and a second holder of a blood collection holder holding an overcap type vacuum blood collection tube, and an overcap type vacuum blood collection tube.
  • the blood collection kit 1 according to the embodiment of the present invention will be described in detail with reference to the figure.
  • the blood collection kit 1 collects blood from the human body with a blood collection tool (hereinafter referred to as a winged needle) 40, and stores the collected blood in a vacuum collection tube 2 (tubular member).
  • a blood collection tool hereinafter referred to as a winged needle
  • the vacuum collection tube 2 the rubber stopper type vacuum collection tube 2A (see FIGS. 5 to 7), the overcap type vacuum collection tube 2B (see FIGS. 8 to 10), and the seal type vacuum collection tube 2 Vacuum collection tube 2C (see FIG. 4) is used as the vacuum collection tube 2.
  • the blood collection kit 1 includes a blood collection holder 3 that holds a vacuum blood collection tube 2 that stores blood, an adapter 20 that is attached to a mounting portion 62 of the first holder 51 that will be described later in the blood collection holder 3, and the adapter 20. It includes a connector 30 to be connected, a flexible tube 31 extending from the connector 30, and a wing-shaped needle 40 connected to the flexible tube 31.
  • the adapter 20 is provided with a needle tube 32 on a well-known needle base (not shown).
  • the needle tube 32 is covered with a rubber sleeve (not shown) for protecting the needle tube 32 until the adapter 20 is attached to the blood collection holder 3.
  • the needle tube 32 is attached in a state of being covered with a rubber sleeve.
  • the vacuum blood collection tube 2 is held in the blood collection holder 3 in a state of being pierced into the needle tube 32.
  • the wing-shaped needle 40 includes a hub 42 that supports a needle tube 41 having a sharp front end, and a pair of wing-shaped members 43 that are externally fitted to the hub 42.
  • the adapter 20 has a hollow main body 21 that can be connected to the winged needle 40 (see FIG. 1) via a connector 30 (see FIG. 1) and through which collected blood flows, and the main body.
  • a flange portion 22 provided on the base end side of the portion 21 and abutting on the tip surface of the mounting portion 62, and a flange portion 22 extending in the direction opposite to the main body portion 21 from the flange portion 22 into a through hole of the cylindrical mounting portion 62. It includes a cylindrical protrusion 23 to be inserted.
  • a male screw portion 27 is formed on the outer peripheral surface of the protruding portion 23.
  • the male threaded portion 27 is screwed into the female threaded portion 63 of the first holder 51, which will be described in detail later.
  • the adapter 20 is formed with a through hole 29 into which the needle tube 32 is inserted.
  • the blood collection holder 3 includes a first holder 51 (first holding member) and a second holder 52 (second holding member), and an adapter 20 is attached to the first holder 51.
  • the first holder 51 is formed in a celestial cylindrical shape having a top surface portion (upper portion in FIGS. 2 to 4), and the top surface portion is provided with a tubular mounting portion 62.
  • the mounting portion 62 has a female screw portion 63 formed at a portion where the adapter 20 is inserted.
  • a receiving portion 65 that receives the upper end portion of the upper holding portion 72 is formed on the upper portion of the inner peripheral surface of the first holder 51 when the upper holding portion 72, which will be described in detail later, is deformed to the outside.
  • the receiving portion 65 has a first inclined portion 65a that inclines outward in the radial direction of the first holder 51 from the tip end side (upper side in FIGS. 3 and 4) toward the base end side (lower side in FIGS. 3 and 4).
  • a second inclined portion 65b is provided on the radial outer side of the first holder 51 from the tip end side to the base end side so as to be continuous with the first inclined portion 65a.
  • the second inclined portion 65b has a larger inclination angle than the first inclined portion 65a.
  • an engaging convex portion 66 for engaging with the second holder 52 is formed over the entire circumference.
  • the second holder 52 includes a cylindrical main body 71.
  • a plurality of (for example, four at 90 ° pitch) notches 71b are formed on the tip surface 71a (upper surface in FIGS. 2 to 4) of the main body 71.
  • a plate-shaped upper holding portion 72 (deformation holding portion) is formed in each of the portions of the main body portion 71 in which the four notches 71b are formed. In the present embodiment, four upper holding portions 72 are formed at a pitch of 90 °.
  • the upper holding portion 72 includes a first upper holding portion 72a which is a root portion, a second upper holding portion 72b which is an intermediate portion, and a third upper holding portion 72c which is a tip portion.
  • the first upper holding portion 72a and the second upper holding portion 72b are connected by a first bent portion 72d (bent portion) bent outward in the radial direction (hereinafter, simply referred to as the radial outer side) of the second holder 52. ..
  • the second upper holding portion 72b and the third upper holding portion 72c are connected by a second bent portion 72e (bent portion) that is bent outward in the radial direction.
  • a curved portion (bent portion) may be formed instead of the first bent portion 72d and the second bent portion 72e.
  • the first upper holding portion 72a is radially inside the second holder 52 (hereinafter, simply radially inside) toward the tip side (upper side in FIGS. 2 to 4). It is formed with an inclination.
  • the second upper holding portion 72b is formed substantially parallel to the axial direction (vertical direction in FIGS. 2 to 4).
  • the third upper holding portion 72c is formed so as to be inclined outward in the radial direction toward the tip side (upper side in FIGS. 2 to 4).
  • the four upper holding portions 72 urge the rubber stopper type vacuum collection tube 2A and the overcap type vacuum collection tube 2B by elastic deformation force, and the rubber stopper type by urging. Holds the vacuum collection tube 2A and the overcap type vacuum collection tube 2B.
  • the receiving portion 65 of the first holder 51 is a position corresponding to each of the portions where the four notches 71b of the main body portion 71 are formed, and four are formed corresponding to the upper holding portion 72.
  • an engaging recess 75 into which the engaging convex portion 66 of the first holder 51 is engaged (fitted) is formed over the entire circumference.
  • the tip surface 71a of the main body 71 comes into contact with the inner surface of the top surface (upper end in FIGS. 2 to 4) of the first holder 51.
  • the second holder 52 is positioned in the axial direction. Further, in this state, the engaging convex portion 66 of the first holder 51 is engaged (fitted) with the engaging concave portion 75 of the second holder 52, and the first holder 51 is attached to the second holder 52.
  • the rubber stopper type vacuum collection tube 2A (see FIGS. 5 to 7) and the upper holding portion 72 for holding the overcap type vacuum collection tube 2B (see FIGS. 8 to 10) are deformed.
  • the tip end (the tip end of the third upper holding portion 72c) is arranged on the base end side (lower end side in FIGS. 2 to 4) of the main body portion 71 with respect to the tip end surface 71a. That is, the upper holding portion 72 does not protrude from the tip surface 71a of the main body portion 71 even when deformed.
  • the tip surface 71a of the second holder 52 is brought into contact with the inner surface of the top surface portion of the first holder 51 while holding the vacuum collection tubes 2A and 2B by the upper holding portion 72, whereby the second holder 52 Can be positioned in the axial direction.
  • a plurality of lower holding portions 73 protruding inward are formed on the inner peripheral surface of the main body portion 71. These four lower holding portions 73 are formed at positions displaced by 45 ° from the upper holding portion 72. The four lower holding portions 73 hold the seal type vacuum collecting tube 2C (see FIG. 4).
  • a convex portion 71c to which the tip surface (upper end surface in FIG. 4) of the seal type vacuum collection tube 2C abuts is formed over the entire circumference.
  • the seal type vacuum collection tube 2C inserted inside the main body 71 is positioned by restricting further insertion when the tip surface abuts on the convex portion 71c.
  • the rubber stopper type vacuum blood collection tube 2A includes, for example, a glass blood collection tube main body 81 and a rubber plug RA attached to the upper part of the blood collection tube main body 81.
  • the rubber stopper RA is a well-known one, and although detailed description thereof will be omitted, a slit (not shown) through which the needle tube 32 can be inserted is formed.
  • the rubber stopper type vacuum collection tube 2A When the rubber stopper type vacuum collection tube 2A is attached to the blood collection holder 3, the rubber stopper type vacuum collection tube 2A is inserted into the second holder 52 from below the second holder 52 as shown in FIG. .. When the rubber stopper type vacuum collecting tube 2A is inserted into the second holder 52, the rubber stopper RA comes into contact with the first upper holding portion 72a of the upper holding portion 72 of the second holder 52.
  • the upper holding portion 72 When the rubber stopper type vacuum collecting tube 2A is inserted from the position of FIG. 5 to the position of FIG. 6 (first insertion state), the upper holding portion 72 is pressed by the rubber stopper RA, and the upper holding portion 72 is held on the third upper side.
  • the upper holding portion 72 is deformed radially outward in a state where the portion 72c is in contact with the first inclined portion 65a of the receiving portion 65 and is positioned.
  • the root portion (base end portion) of the first upper holding portion 72a of the upper holding portion 72 is connected to the main body portion 71, and the upper holding portion 72 is the root portion of the first upper holding portion 72a. Transforms to rotate around.
  • the upper holding portion 72 has an elastic deformation force that tends to return to the original shape (see FIG. 5), and due to this elastic deformation force, F1 is applied to the rubber stopper type vacuum collecting tube 2A having the rubber stopper RA. The force in the direction of is applied.
  • the first bent portion 72d and the second bent portion 72e of the upper holding portion 72 are in the state shown in FIG. 6 (the state in which the third upper holding portion 72c of the upper holding portion 72 is received by the first inclined portion 65a of the receiving portion 65).
  • the structure is such that the base end protrudes radially inward from the outer peripheral surface of the tip portion of the rubber stopper type vacuum collection tube 2A, and the tip is bent outward in the radial direction.
  • the upper holding portion 72 is pressed by the rubber stopper RA, and the upper holding portion 72 is pressed by the rubber stopper RA.
  • the upper holding portion 72 is further deformed radially outward in a state where the holding portion 72c is in contact with the first inclined portion 65a of the receiving portion 65 and is positioned.
  • the rubber stopper type vacuum collecting tube 2A cannot be inserted further to the back side from the state shown in FIG. , The position of the rubber stopper type vacuum collection tube 2A in the axial direction is positioned.
  • the upper holding portion 72 is composed of the first to third upper holding portions 72a to 72c having different inclination angles.
  • the upper holding portion 72 is a rubber stopper type as compared with the one having a linear shape in which the root portion of the first upper holding portion 72a and the tip portion of the third upper holding portion 72c are connected by a straight line.
  • the amount of deformation of the upper holding portion 72 when the vacuum collecting tube 2A of the above is inserted to the mounting position can be increased.
  • the urging force applied to the rubber stopper type vacuum collection tube 2A can be increased, and the rubber stopper type vacuum collection tube 2A can be reliably held without being pulled out.
  • the first bent portion 72d and the second bent portion 72e of the upper holding portion 72 are in the first inserted state shown in FIG. 6 (the third upper holding portion 72c of the upper holding portion 72 is the receiving portion 65.
  • the base end protrudes radially inward from the outer peripheral surface of the tip portion of the rubber stopper type vacuum collection tube 2A, and the tip is bent outward in the radial direction. It has a structure.
  • the second bent portion 72e is deformed from a state of being bent outward in the radial direction to a state of being bent inward in the radial direction.
  • the second and third upper holding portions 72b when the rubber stopper type vacuum collecting tube 2A is inserted to the mounting position, as compared with the case where the second bent portion 72e is bent outward in the radial direction, The amount of deformation of 72c can be increased.
  • the first bent portion 72d may also have a structure that deforms from a state of being bent outward in the radial direction to a state of being bent inward in the radial direction.
  • the second bent portion 72e does not have to be deformed from a state of being bent outward in the radial direction to a state of being bent inward in the radial direction, and at least in the direction opposite to the bending direction (outer in the radial direction) (inner in the radial direction). It may be transformed.
  • the first upper holding portion 72a and the second upper holding portion 72b of the upper holding portion 72 are held.
  • the receiving portion 65 is formed only on the upper portion of the first holder 51 so that a gap is formed between the side surface and the inner surface of the first holder 51.
  • the upper holding portion 72 can be further deformed radially outward from the state shown in FIG. 7, and the outer diameter is larger than the reference. It is possible to hold a rubber stopper type vacuum collecting tube 2A having a large diameter.
  • the overcap type vacuum blood collection tube 2B includes, for example, a glass blood collection tube body 91, a rubber stopper RB attached to the upper part of the blood collection tube body 91, a blood collection tube body 91, and a rubber stopper RB. It is provided with an overcap 92 for covering the above.
  • the rubber stopper RB is a well-known one, and although detailed description thereof will be omitted, a slit (not shown) through which the needle tube 32 can be inserted is formed.
  • the rubber stopper RB is formed with a protruding portion RBa protruding to the outer peripheral side, and the inner peripheral surface of the overcap 92 is formed with a holding protruding portion 92a for holding the protruding portion RBa. Further, an opening 92b for inserting the needle tube 32 is formed on the upper surface of the overcap 92.
  • the overcap type vacuum collection tube 2B When the overcap type vacuum collection tube 2B is attached to the blood collection holder 3, the overcap type vacuum collection tube 2B is inserted into the second holder 52 from below the second holder 52 as shown in FIG. .. When the overcap type vacuum collecting tube 2B is inserted into the second holder 52, the overcap 92 comes into contact with the first upper holding portion 72a of the upper holding portion 72 of the second holder 52.
  • the overcap type vacuum collecting tube 2B When the overcap type vacuum collecting tube 2B is inserted from the position of FIG. 8 to the position of FIG. 9, the upper holding portion 72 is pressed by the overcap 92, and the third upper holding portion 72c of the upper holding portion 72 receives the receiving portion.
  • the upper holding portion 72 is deformed radially outward in a state of being positioned in contact with the first inclined portion 65a of the 65.
  • the upper holding portion 72 has an elastic deformation force that tends to return to the original shape (see FIG. 8), and due to this elastic deformation force, the overcap type vacuum collecting tube 2B having the overcap 92 has F3. The force in the direction of is applied.
  • the first bent portion 72d and the second bent portion 72e of the upper holding portion 72 are in the state shown in FIG. 9 (the state in which the third upper holding portion 72c of the upper holding portion 72 is received by the first inclined portion 65a of the receiving portion 65).
  • the structure is such that the overcap type vacuum collection tube 2B protrudes inward in the radial direction from the outer peripheral surface of the tip portion and is bent outward in the radial direction.
  • the tip surface of the overcap 92 comes into contact with the inner surface of the top surface of the first holder 51, and the overcap type vacuum collection is performed.
  • the axial position of the blood vessel 2B is positioned. Further, due to the elastic deformation force of the upper holding portion 72, a force in the direction of F4 is applied to the overcap type vacuum collecting tube 2B having the overcap 92. Due to the force in the direction of F4, the overcap type vacuum collection tube 2B is held in the blood collection holder 3.
  • the upper holding portion 72 is composed of the first to third upper holding portions 72a to 72c having different inclination angles.
  • the second upper holding portion 72b can urge the overcap type vacuum collection tube 2B in the direction of F3 in a state of being substantially parallel to the outer circumference of the overcap type vacuum collection tube 2B.
  • the overcap type vacuum collection tube 2B has an overcap type vacuum collection tube 2B as compared with the one in which the upper holding portion 72 has a linear shape and the overcap type vacuum collection tube 2B is urged diagonally downward in FIG. It is hard to come off and can be held securely.
  • the first bent portion 72d and the second bent portion 72e of the upper holding portion 72 are in the state shown in FIG. 9 (the third upper holding portion 72c of the upper holding portion 72 is the first inclination of the receiving portion 65.
  • the structure is such that the overcap type vacuum collecting tube 2B protrudes radially inward from the outer peripheral surface of the tip portion and is bent outward in the radial direction.
  • the overcap type vacuum collecting tube 2B when the overcap type vacuum collecting tube 2B is inserted to the mounting position, the first bent portion 72d is deformed from the state of being bent outward in the radial direction to the inside in the radial direction.
  • the amount of deformation of the first and second upper holding portions 72a and 72b when the overcap type vacuum collecting tube 2B is inserted to the mounting position is compared with the one in which the first bent portion 72d is not deformed inward in the radial direction. Can be increased.
  • the second bent portion 72e is deformed from the state of being bent outward in the radial direction to the inside in the radial direction.
  • the amount of deformation of the second and third upper holding portions 72b and 72c when the overcap type vacuum collecting tube 2B is inserted to the mounting position is compared with the one in which the second bent portion 72e is not deformed inward in the radial direction. Can be increased.
  • the urging force applied to the overcap type vacuum collection tube 2B can be increased, and the overcap type vacuum collection tube 2B can be held securely without being pulled out.
  • the first upper holding portion 72a and the second upper holding portion 72b of the upper holding portion 72 are held.
  • the receiving portion 65 is formed only on the upper portion of the first holder 51 so that a gap is formed between the side surface of the first holder 51 and the inner surface.
  • the seal type vacuum blood collection tube 2C is attached to, for example, a glass blood collection blood collection body 101, a rubber cover 102 covering the outer peripheral surface of the blood collection blood collection body 101, and an upper surface of the blood collection blood collection body 101.
  • the seal 103 is provided.
  • a protruding portion 102a protruding toward the outer peripheral side is formed on the outer peripheral surface of the cover 102.
  • the seal 103 is well known, and although detailed description thereof will be omitted, a needle tube 32 can be inserted through the seal 103.
  • the seal type vacuum collection tube 2C When the seal type vacuum collection tube 2C is attached to the blood collection holder 3, the seal type vacuum collection tube 2C is inserted into the second holder 52 from below the second holder 52 as shown in FIG.
  • the tip surface of the cover 102 abuts on the convex portion 71c of the main body 71 of the second holder 52, and further insertion is restricted.
  • the axial position of the seal type vacuum collection tube 2C is positioned.
  • the protruding portion 102a of the cover 102 is held by the four lower holding portions 73 of the second holder 52.
  • the seal type vacuum blood collection tube 2C is attached to the blood collection holder 3.
  • the portion of the cover 102 that comes into contact with the upper holding portion 72 is deformed along the shape of the upper holding portion 72.
  • the upper holding portion 72 Since the 2C of the seal type vacuum collection tube has a larger diameter than the other vacuum collection tubes 2A and 2B, when the 2C of the seal type vacuum collection tube is also held by the upper holding portion 72, the upper holding portion 72 is the most. Transforms outward. Therefore, when the upper holding portion 72 is formed so as to have the optimum elastic deformation force when holding the seal type vacuum collecting tube 2C, the force for holding the minimum diameter overcap type vacuum collecting tube 2B (upper). The elastic deformation force of the holding portion 72) becomes small, and it becomes easy to come off.
  • the rubber stopper type vacuum collection tube 2A and the overcap type vacuum collection tube 2B are held by the upper holding portion 72 of the second holder 52, and sealed by the lower holding portion 73 of the second holder 52. Holds 2C of type vacuum blood collection tube.
  • the blood collection tool 40 is a wing-shaped needle, but the present invention is not limited to this, and one needle tube may be used as long as blood can be collected.
  • the present invention is carried out for a blood collection holder that holds a vacuum blood collection tube, but the present invention can be carried out as long as it is a holder that holds a tubular member, for example, holding a syringe. It may be carried out on the holder.
  • the upper holding portion 72 forms a deformed holding portion extending in the axial direction of the second holder 52, but even when deformed, it protrudes from the tubular tip surface 71a of the second holder 52. If not, the deformation holding portion extending in the circumferential direction of the second holder 52 may be formed.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
PCT/JP2020/019746 2019-05-28 2020-05-19 採血用ホルダ WO2020241373A1 (ja)

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JP2019-099329 2019-05-28
JP2019099329A JP2020192079A (ja) 2019-05-28 2019-05-28 採血用ホルダ

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Citations (8)

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US5030209A (en) * 1988-11-09 1991-07-09 Medical Safety Products, Inc. Holder for double ended blood collection retractable needle
JPH10216109A (ja) * 1997-02-05 1998-08-18 Long-Hsiung Chen ダブルヘッド針の採血用安全真空注射器
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