WO2020250918A1 - Blood collection device - Google Patents

Blood collection device Download PDF

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Publication number
WO2020250918A1
WO2020250918A1 PCT/JP2020/022779 JP2020022779W WO2020250918A1 WO 2020250918 A1 WO2020250918 A1 WO 2020250918A1 JP 2020022779 W JP2020022779 W JP 2020022779W WO 2020250918 A1 WO2020250918 A1 WO 2020250918A1
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WO
WIPO (PCT)
Prior art keywords
chamber
tray
blood
opening
collection device
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PCT/JP2020/022779
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French (fr)
Japanese (ja)
Inventor
鈴木篤
Original Assignee
テルモ株式会社
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.)
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Publication date
Application filed by テルモ株式会社 filed Critical テルモ株式会社
Priority to JP2021526106A priority Critical patent/JP7444877B2/en
Priority to CN202080040370.1A priority patent/CN113905771B/en
Publication of WO2020250918A1 publication Critical patent/WO2020250918A1/en

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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
    • 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

Definitions

  • the present invention relates to a blood collection device.
  • Japanese Patent No. 5785423 discloses a blood collection device that collects blood from a blood donor into a blood bag using negative pressure.
  • This blood collection device includes a housing and a partition wall that divides the inside of the housing into a first chamber and a second chamber located below the first chamber.
  • the first chamber is provided with a tray for arranging the blood bag, and the second chamber is provided with a swing mechanism for swinging the tray.
  • the partition wall is formed with an opening that allows the first chamber and the second chamber to communicate with each other.
  • a detachable portion provided in the swing mechanism and formed so that the tray can be detached is inserted through the opening.
  • the present invention has been made in consideration of such a problem, and an object of the present invention is to provide a blood collecting device capable of suppressing foreign matter from entering the swing mechanism.
  • One aspect of the present invention is a blood collection device that collects blood from a blood donor into a blood bag using negative pressure, and is located in a housing and below the first chamber and the first chamber.
  • a partition wall partitioning the second chamber, a tray provided in the first chamber for arranging the blood bag, a swing mechanism provided in the second chamber to swing the tray, and the swinging mechanism.
  • the partition wall includes an attachment / detachment portion provided in a moving mechanism and the tray is detachably formed, and an opening through which the first chamber and the second chamber are communicated with each other and the attachment / detachment portion is inserted. Is formed, and is a blood collection device further comprising a wall structure for suppressing the entry of foreign matter from the first chamber into the second chamber through the opening.
  • the wall structure can prevent foreign matter from entering the second chamber through the opening from the first chamber, so that foreign matter can enter the swing mechanism provided in the second chamber. It can be suppressed.
  • FIG. 1 It is a perspective view of the blood collecting apparatus which concerns on one Embodiment of this invention. It is a vertical cross-sectional view of the blood collection device of FIG. It is sectional drawing along the line III-III of FIG. It is sectional drawing along the IV-IV line of FIG. It is explanatory drawing of the work of removing a tray from a detachable part.
  • the blood collecting device 10 is configured as a vacuum blood collecting device that collects blood from a donor into a blood bag 200 by using a negative pressure.
  • the blood collection device 10 includes a box-shaped housing 12, a lid 14 provided on the upper part of the housing 12 so as to be openable and closable, a tray 16, a swing mechanism 18, and a swing mechanism 18.
  • a detachable portion 20 is provided.
  • the length dimension of the housing 12 along the front-rear direction (arrow A direction) is longer than the width dimension along the left-right direction (arrow B direction).
  • the housing 12 may have a length dimension shorter than the width dimension.
  • An operation panel 21 for collecting blood is provided on the front surface of the housing 12 (front surface pointing in the direction of arrow A1).
  • the housing 12 is formed with a storage chamber 24 that opens upward. That is, the accommodation chamber 24 is formed by the bottom wall portion 26 and the peripheral wall portion 28.
  • the peripheral wall portion 28 includes a front wall portion 28a located in the direction of arrow A1, a rear wall portion 28b located in the direction of arrow A2, and left and right side wall portions 28c and 28d that connect the front wall portion 28a and the rear wall portion 28b to each other. (See FIG. 4).
  • a lid 14 is provided at the upper end of the rear wall portion 28b via a hinge 30 (see FIG. 1).
  • the lid 14 covers the blood bag 200 placed on the tray 16 in the closed state from above.
  • the lid body 14 is preferably configured to be transparent so that the blood bag 200 during blood collection can be visually recognized from the outside through the lid body 14.
  • a seal portion 32 is provided at the upper end portion of the peripheral wall portion 28 to airtightly seal the lid 14 with the lid 14 in the closed state.
  • the seal portion 32 is formed of an elastically deformable resin material such as rubber.
  • the seal portion 32 extends in an annular shape (square ring) so as to orbit the upper end portion of the peripheral wall portion 28.
  • the housing 12 is provided with a partition wall 34 that vertically partitions the storage chamber 24 into the first chamber 24a and the second chamber 24b.
  • the partition wall 34 is a flat plate extending parallel (substantially horizontal) to the bottom wall portion 26.
  • the partition wall 34 extends in a rectangular shape in the direction of arrow A.
  • the partition wall 34 is located substantially in the center of the peripheral wall portion 28 in the height direction.
  • the partition wall 34 is formed with a rectangular (rectangular) opening 36 that allows the first chamber 24a and the second chamber 24b to communicate with each other.
  • the opening 36 is located closer to the rear wall portion 28b. Specifically, the opening 36 extends from a position shifted in the arrow A2 direction from one end of the partition wall 34 (an intermediate position in the longitudinal direction of the partition wall 34) to the other end of the partition wall 34.
  • the opening 36 is located substantially in the center of the partition wall 34 in the width direction (arrow B direction).
  • the first chamber 24a located above the partition wall 34 accommodates the tray 16 for arranging the blood bag 200.
  • the blood collecting device 10 creates a negative pressure in the first chamber 24a.
  • a magnet 38 is provided on the lower surface of the tray 16. That is, the tray 16 is arranged in the first chamber 24a in a state of being attached to the detachable portion 20. In this state, a predetermined gap S is formed between the tray 16 and the peripheral wall portion 28 so that the tray 16 can swing in the first chamber 24a.
  • the tray 16 is provided with a handle 40 so that the swing mechanism 18 can be easily attached to and detached from the tray 16.
  • the handle 40 is formed in a shape close to a U shape by a wire or the like. Both ends of the handle 40 are rotatably attached to the left and right side portions of the tray 16.
  • the handle 40 also functions as a holding portion for holding the blood bag 200 against the tray 16.
  • a swing mechanism 18 for swinging the tray 16 is housed in the second chamber 24b located below the partition wall 34.
  • the swing mechanism 18 moves the tray 16 in the biaxial directions (arrow A direction and arrow B direction), for example.
  • the swing mechanism 18 may swing the tray 16 three-dimensionally.
  • the tray 16 can be attached to and detached from the detachable portion 20.
  • the attachment / detachment portion 20 is connected to the swing mechanism 18 and extends from the second chamber 24b into the first chamber 24a via the opening 36, and the attachment / detachment portion 20a provided at the extending end of the shaft portion 20a.
  • the detachable main body 20b is a metal plate that can be attracted to the magnet 38 of the tray 16.
  • the blood collection device 10 includes a wall structure 50 that suppresses the entry of foreign matter from the first chamber 24a into the second chamber 24b through the opening 36.
  • the wall structure 50 includes a cover portion 52 that suppresses the entry of foreign matter into the gap S from the outside, and a protruding wall portion 54 that suppresses the entry of foreign matter that has entered the first chamber 24a into the second chamber 24b.
  • the cover portion 52 extends inward from the seal portion 32 and extends in a frame shape (annular shape) along the seal portion 32. That is, the cover portion 52 is provided so as to cover the gap S from above.
  • the cover portion 52 covers the outer edge portion of the tray 16 from above with the tray 16 attached to the detachable portion 20.
  • the cover portion 52 is provided integrally with the seal portion 32. In other words, the cover portion 52 and the seal portion 32 are integrally molded products such as rubber.
  • the thickness of the cover portion 52 is thinner than the thickness of the seal portion 32.
  • the cover portion 52 extends substantially horizontally. However, the cover portion 52 may extend upward or downward from the seal portion 32 inward.
  • the cover portion 52 has flexibility. Therefore, even if the tray 16 hits the cover portion 52 when the tray 16 is removed from the detachable portion 20, the cover portion 52 can be bent upward (see FIG. 5). Further, even when the tray 16 hits the cover portion 52 when the tray 16 is mounted on the mounting portion, the cover portion 52 can be bent downward.
  • a plurality of slits 53 are formed in the cover portion 52. In the present embodiment, the slit 53 is located at a corner of the cover portion 52. As a result, the cover portion 52 can be divided into a plurality of portions (four portions), and each portion of the cover portion 52 can be smoothly bent in the vertical direction.
  • the protruding wall portion 54 projects upward from the partition wall 34.
  • the protruding wall portion 54 is formed in a U shape so as to surround the opening 36 from three directions (arrow A1 direction and arrow B direction) when viewed from above.
  • the protruding length of the protruding wall portion 54 is lower than the distance between the lower surface of the tray 16 and the upper surface of the partition wall 34 when the tray 16 is attached to the detachable portion 20.
  • the protruding wall portion 54 includes a first wall portion 56a located between the opening 36 and the front wall portion 28a, a second wall portion 56b located between the opening 36 and the side wall portion 28c, and an opening 36. It has a third wall portion 56c located between the side wall portion 28d and the side wall portion 28d.
  • the first wall portion 56a extends parallel to the front wall portion 28a.
  • the length of the first wall portion 56a (the length in the arrow B direction) is longer than the width of the opening 36.
  • the second wall portion 56b extends parallel to the side wall portion 28c from one end portion in the longitudinal direction of the first wall portion 56a toward the rear wall portion 28b.
  • the third wall portion 56c extends parallel to the side wall portion 28d from the other end of the first wall portion 56a in the longitudinal direction toward the rear wall portion 28b.
  • the second wall portion 56b and the third wall portion 56c extend in parallel with each other.
  • the blood collecting device 10 has the following effects.
  • the blood collection device 10 includes a wall structure 50 that suppresses the entry of foreign matter from the first chamber 24a into the second chamber 24b through the opening 36.
  • the wall structure 50 can suppress the entry of foreign matter from the first chamber 24a into the second chamber 24b through the opening 36, the swing provided in the second chamber 24b. It is possible to prevent foreign matter from entering the mechanism 18.
  • a gap S is formed between the peripheral wall portion 28 forming the first chamber 24a and the tray 16, and the wall structure 50 has a cover portion 52 that covers the gap S from above.
  • the cover portion 52 can prevent foreign matter from entering the gap S between the peripheral wall portion 28 and the tray 16 from the outside.
  • the cover portion 52 is formed in a frame shape along the outer shape of the tray 16.
  • the cover portion 52 is located above the tray 16 with the tray 16 attached to the detachable portion 20.
  • the cover portion 52 has flexibility.
  • the cover portion 52 can be bent in the vertical direction even when the cover portion 52 hits the tray 16 when the tray 16 is attached to or detached from the attachment / detachment portion 20. As a result, the operation of attaching / detaching the tray 16 to / from the attaching / detaching portion 20 can be smoothly performed.
  • the blood collecting device 10 includes a lid body 14 provided on the upper part of the housing 12 so as to be openable and closable, and the upper end portion of the housing 12 is airtightly sealed between the lid body 14 and the lid body 14 in a closed state.
  • a seal portion 32 is provided.
  • the cover portion 52 extends inward from the seal portion 32.
  • cover portion 52 and the seal portion 32 can be integrally molded, the number of parts can be reduced and the cost can be reduced.
  • the wall structure 50 has a protruding wall portion 54 that projects upward from the partition wall 34 and suppresses the entry of foreign matter that has entered the first chamber 24a into the opening 36.
  • the opening 36 is located below the tray 16 with the tray 16 attached to the attachment / detachment portion 20.
  • the protruding wall portion 54 extends so as to surround the opening 36.
  • the cover portion 52 does not have to be located above the tray 16 with the tray 16 attached to the detachable portion 20. In this case, the attachment / detachment operation of the tray 16 to / from the attachment / detachment portion 20 can be smoothly performed.
  • the cover portion 52 does not have to extend from the seal portion 32. That is, the cover portion 52 may be provided on the peripheral wall portion 28. In this case, the cover portion 52 may be made of a metal material.
  • the cover portion 52 may be located below the lower surface of the tray 16 with the tray 16 mounted on the detachable portion 20.
  • the protruding wall portion 54 may be provided at the outer edge portion of the opening 36.
  • the above embodiment is a blood collection device (10) that collects blood from a donor into a blood bag (200) using negative pressure, and has a housing (12) and a first chamber (24a) inside the housing. ) And a partition wall (34) partitioning the second chamber (24b) located below the first chamber, a tray (16) provided in the first chamber for arranging the blood bag, and the first chamber.
  • the partition wall is provided with a swing mechanism (18) provided in two chambers to swing the tray and a detachable portion (20) provided in the swing mechanism so that the tray is detachably formed.
  • a blood collection device that further comprises a wall structure (50) that suppresses the invasion of the blood.
  • a gap (S) is formed between the peripheral wall portion (28) forming the first chamber and the tray, and the wall structure has a cover portion (52) that covers the gap from above. May have.
  • the cover portion may be formed in a frame shape along the outer shape of the tray.
  • the cover portion may be located above the tray with the tray attached to the attachment / detachment portion.
  • the cover portion may have flexibility.
  • a lid (14) is provided on the upper part of the housing so as to be openable and closable, and the upper end of the housing is airtight with the lid in a closed state.
  • a seal portion (32) is provided to seal the cover portion, and the cover portion may extend inward from the seal portion.
  • the wall structure may have a protruding wall portion (54) that projects upward from the partition wall and suppresses the entry of the foreign substance that has entered the first chamber into the opening.
  • the opening is located below the tray with the tray attached to the attachment / detachment portion, and the protruding wall portion extends so as to surround the opening. Good.

Abstract

A blood collection device (10) comprising: a housing (12); a partition (34) which divides the inside of the housing (12) into a first chamber (24a) and a second chamber (24b) positioned below the first chamber (24a); a tray (16); a vibration mechanism (18); and a detachable part (20). The partition (34) has an opening part (36) formed therein which allows the first chamber (24a) and the second chamber (24b) to communicate with each other, and into which the detachable part (20) is inserted. The blood collection device (10) further comprises a wall structure (50) which suppresses foreign matter from entering the second chamber (24b) from the first chamber (24a) through the opening part (36).

Description

採血装置Blood collection device
　本発明は、採血装置に関する。 The present invention relates to a blood collection device.
　例えば、特許第５７８５４２３号公報には、負圧を利用して供血者から血液バッグ内への採血を行う採血装置が開示されている。この採血装置は、筐体と、筐体内を第１室と第１室の下方に位置する第２室とに仕切る隔壁とを備える。第１室には、血液バッグを配置するためのトレーが設けられ、第２室には、トレーを揺動する揺動機構が設けられている。隔壁には、第１室と第２室とを互いに連通させる開口部が形成されている。開口部には、揺動機構に設けられてトレーを着脱可能に形成された着脱部が挿通している。 For example, Japanese Patent No. 5785423 discloses a blood collection device that collects blood from a blood donor into a blood bag using negative pressure. This blood collection device includes a housing and a partition wall that divides the inside of the housing into a first chamber and a second chamber located below the first chamber. The first chamber is provided with a tray for arranging the blood bag, and the second chamber is provided with a swing mechanism for swinging the tray. The partition wall is formed with an opening that allows the first chamber and the second chamber to communicate with each other. A detachable portion provided in the swing mechanism and formed so that the tray can be detached is inserted through the opening.
　ところで、採血作業者が採血装置を操作する際に、ペンやクランプ等の小物（異物）が筐体内に落下することがある。この際、落下した異物が第１室から開口部を介して第２室に進入すると、揺動機構の精密部品が破損するおそれがある。 By the way, when a blood collection worker operates a blood collection device, small items (foreign substances) such as pens and clamps may fall into the housing. At this time, if the dropped foreign matter enters the second chamber from the first chamber through the opening, the precision parts of the swing mechanism may be damaged.
　本発明は、このような課題を考慮してなされたものであり、揺動機構に異物が入り込むことを抑制することができる採血装置を提供することを目的とする。 The present invention has been made in consideration of such a problem, and an object of the present invention is to provide a blood collecting device capable of suppressing foreign matter from entering the swing mechanism.
　本発明の一態様は、負圧を利用して供血者から血液バッグ内への採血を行う採血装置であって、筐体と、前記筐体内を第１室と前記第１室の下方に位置する第２室とに仕切る隔壁と、前記第１室に設けられて前記血液バッグを配置するためのトレーと、前記第２室に設けられて前記トレーを揺動する揺動機構と、前記揺動機構に設けられて前記トレーが着脱可能に形成された着脱部と、を備え、前記隔壁には、前記第１室と前記第２室とを互いに連通させるとともに前記着脱部が挿通する開口部が形成され、前記第１室から前記開口部を介して前記第２室への異物の進入を抑制する壁構造をさらに備える、採血装置である。 One aspect of the present invention is a blood collection device that collects blood from a blood donor into a blood bag using negative pressure, and is located in a housing and below the first chamber and the first chamber. A partition wall partitioning the second chamber, a tray provided in the first chamber for arranging the blood bag, a swing mechanism provided in the second chamber to swing the tray, and the swinging mechanism. The partition wall includes an attachment / detachment portion provided in a moving mechanism and the tray is detachably formed, and an opening through which the first chamber and the second chamber are communicated with each other and the attachment / detachment portion is inserted. Is formed, and is a blood collection device further comprising a wall structure for suppressing the entry of foreign matter from the first chamber into the second chamber through the opening.
　本発明によれば、壁構造によって第１室から開口部を介して第２室への異物の進入を抑制することができるため、第２室に設けられた揺動機構に異物が入り込むことを抑制することができる。 According to the present invention, the wall structure can prevent foreign matter from entering the second chamber through the opening from the first chamber, so that foreign matter can enter the swing mechanism provided in the second chamber. It can be suppressed.
本発明の一実施形態に係る採血装置の斜視図である。It is a perspective view of the blood collecting apparatus which concerns on one Embodiment of this invention. 図１の採血装置の縦断面図である。It is a vertical cross-sectional view of the blood collection device of FIG. 図２のＩＩＩ－ＩＩＩ線に沿った断面図である。It is sectional drawing along the line III-III of FIG. 図２のＩＶ－ＩＶ線に沿った断面図である。It is sectional drawing along the IV-IV line of FIG. トレーを着脱部から取り外す作業の説明図である。It is explanatory drawing of the work of removing a tray from a detachable part.
　以下、本発明に係る採血装置について好適な実施形態を挙げ、添付の図面を参照しながら説明する。 Hereinafter, a suitable embodiment of the blood collection device according to the present invention will be described with reference to the attached drawings.
　本発明の一実施形態に係る採血装置１０は、負圧を利用して供血者から血液バッグ２００内への採血を行う真空採血装置として構成されている。 The blood collecting device 10 according to the embodiment of the present invention is configured as a vacuum blood collecting device that collects blood from a donor into a blood bag 200 by using a negative pressure.
　図１及び図２に示すように、採血装置１０は、箱形の筐体１２と、筐体１２の上部に開閉可能に設けられた蓋体１４と、トレー１６と、揺動機構１８と、着脱部２０とを備える。 As shown in FIGS. 1 and 2, the blood collection device 10 includes a box-shaped housing 12, a lid 14 provided on the upper part of the housing 12 so as to be openable and closable, a tray 16, a swing mechanism 18, and a swing mechanism 18. A detachable portion 20 is provided.
　筐体１２は、前後方向（矢印Ａ方向）に沿った長さ寸法が左右方向（矢印Ｂ方向）に沿った幅寸法よりも長い。ただし、筐体１２は、長さ寸法が幅寸法よりも短くてもよい。筐体１２の正面（矢印Ａ１方向を指向する前面）には、採血を行うための操作パネル２１が設けられている。 The length dimension of the housing 12 along the front-rear direction (arrow A direction) is longer than the width dimension along the left-right direction (arrow B direction). However, the housing 12 may have a length dimension shorter than the width dimension. An operation panel 21 for collecting blood is provided on the front surface of the housing 12 (front surface pointing in the direction of arrow A1).
　筐体１２には、上方に開口した収容室２４が形成されている。すなわち、収容室２４は、底壁部２６と周壁部２８とによって形成される。周壁部２８は、矢印Ａ１方向に位置する前壁部２８ａと、矢印Ａ２方向に位置する後壁部２８ｂと、前壁部２８ａ及び後壁部２８ｂを互いに連結する左右の側壁部２８ｃ、２８ｄとを含む（図４参照）。 The housing 12 is formed with a storage chamber 24 that opens upward. That is, the accommodation chamber 24 is formed by the bottom wall portion 26 and the peripheral wall portion 28. The peripheral wall portion 28 includes a front wall portion 28a located in the direction of arrow A1, a rear wall portion 28b located in the direction of arrow A2, and left and right side wall portions 28c and 28d that connect the front wall portion 28a and the rear wall portion 28b to each other. (See FIG. 4).
　後壁部２８ｂの上端部には、蓋体１４がヒンジ３０を介して設けられている（図１参照）。蓋体１４は、閉状態でトレー１６に載置された血液バッグ２００を上方から覆う。蓋体１４は、採血中の血液バッグ２００を外部から蓋体１４を介して視認することができるように、透明に構成されるのが好ましい。 A lid 14 is provided at the upper end of the rear wall portion 28b via a hinge 30 (see FIG. 1). The lid 14 covers the blood bag 200 placed on the tray 16 in the closed state from above. The lid body 14 is preferably configured to be transparent so that the blood bag 200 during blood collection can be visually recognized from the outside through the lid body 14.
　図１～図３に示すように、周壁部２８の上端部には、蓋体１４の閉状態で蓋体１４との間を気密にシールするシール部３２が設けられている。シール部３２は、ゴム等の弾性変形可能な樹脂材料によって形成されている。シール部３２は、周壁部２８の上端部を周回するように環状（四角環状）に延在している。 As shown in FIGS. 1 to 3, a seal portion 32 is provided at the upper end portion of the peripheral wall portion 28 to airtightly seal the lid 14 with the lid 14 in the closed state. The seal portion 32 is formed of an elastically deformable resin material such as rubber. The seal portion 32 extends in an annular shape (square ring) so as to orbit the upper end portion of the peripheral wall portion 28.
　図１及び図２において、筐体１２には、収容室２４を第１室２４ａと第２室２４ｂとに上下方向に仕切る隔壁３４が設けられている。隔壁３４は、底壁部２６に平行（略水平）に延在した平板である。隔壁３４は、矢印Ａ方向に長方形状に延在している。 In FIGS. 1 and 2, the housing 12 is provided with a partition wall 34 that vertically partitions the storage chamber 24 into the first chamber 24a and the second chamber 24b. The partition wall 34 is a flat plate extending parallel (substantially horizontal) to the bottom wall portion 26. The partition wall 34 extends in a rectangular shape in the direction of arrow A.
　隔壁３４は、周壁部２８の高さ方向の略中央に位置している。図４において、隔壁３４には、第１室２４ａと第２室２４ｂとを互いに連通させる四角形状（長方形状）の開口部３６が形成されている。開口部３６は、後壁部２８ｂ寄りに位置している。具体的には、開口部３６は、隔壁３４の一端よりも矢印Ａ２方向にずれた位置（隔壁３４の長手方向の中間位置）から隔壁３４の他端まで延在している。開口部３６は、隔壁３４の幅方向（矢印Ｂ方向）の略中央に位置する。 The partition wall 34 is located substantially in the center of the peripheral wall portion 28 in the height direction. In FIG. 4, the partition wall 34 is formed with a rectangular (rectangular) opening 36 that allows the first chamber 24a and the second chamber 24b to communicate with each other. The opening 36 is located closer to the rear wall portion 28b. Specifically, the opening 36 extends from a position shifted in the arrow A2 direction from one end of the partition wall 34 (an intermediate position in the longitudinal direction of the partition wall 34) to the other end of the partition wall 34. The opening 36 is located substantially in the center of the partition wall 34 in the width direction (arrow B direction).
　図１～図３において、隔壁３４の上方に位置する第１室２４ａには、血液バッグ２００を配置するためのトレー１６を収容する。採血装置１０は、第１室２４ａ内を負圧にする。トレー１６の下面には、磁石３８が設けられている。つまり、トレー１６は、着脱部２０に装着された状態で第１室２４ａに配置される。この状態で、トレー１６と周壁部２８との間には、トレー１６が第１室２４ａ内で揺動可能なように所定の隙間Ｓが形成されている。 In FIGS. 1 to 3, the first chamber 24a located above the partition wall 34 accommodates the tray 16 for arranging the blood bag 200. The blood collecting device 10 creates a negative pressure in the first chamber 24a. A magnet 38 is provided on the lower surface of the tray 16. That is, the tray 16 is arranged in the first chamber 24a in a state of being attached to the detachable portion 20. In this state, a predetermined gap S is formed between the tray 16 and the peripheral wall portion 28 so that the tray 16 can swing in the first chamber 24a.
　トレー１６には、揺動機構１８への着脱操作を容易に行うために、取手４０が設けられている。取手４０は、ワイヤ等によってＵ字に近い形状に形成されている。取手４０の両端部は、トレー１６の左右の側部のそれぞれに回転自在に取り付けられている。なお、取手４０は、血液バッグ２００をトレー１６に対して押さえる押さえ部としても機能する。 The tray 16 is provided with a handle 40 so that the swing mechanism 18 can be easily attached to and detached from the tray 16. The handle 40 is formed in a shape close to a U shape by a wire or the like. Both ends of the handle 40 are rotatably attached to the left and right side portions of the tray 16. The handle 40 also functions as a holding portion for holding the blood bag 200 against the tray 16.
　図２において、隔壁３４の下方に位置する第２室２４ｂには、トレー１６を揺動させるための揺動機構１８が収容されている。揺動機構１８は、例えば、トレー１６を２軸方向（矢印Ａ方向及び矢印Ｂ方向）に移動させる。ただし、揺動機構１８は、３次元的にトレー１６を揺動させてもよい。 In FIG. 2, a swing mechanism 18 for swinging the tray 16 is housed in the second chamber 24b located below the partition wall 34. The swing mechanism 18 moves the tray 16 in the biaxial directions (arrow A direction and arrow B direction), for example. However, the swing mechanism 18 may swing the tray 16 three-dimensionally.
　着脱部２０には、トレー１６が着脱可能である。着脱部２０は、揺動機構１８に連結されて第２室２４ｂから開口部３６を介して第１室２４ａ内に延出した軸部２０ａと、軸部２０ａの延出端に設けられた着脱本体部２０ｂとを含む。着脱本体部２０ｂは、トレー１６の磁石３８に対して吸着可能な金属プレートである。 The tray 16 can be attached to and detached from the detachable portion 20. The attachment / detachment portion 20 is connected to the swing mechanism 18 and extends from the second chamber 24b into the first chamber 24a via the opening 36, and the attachment / detachment portion 20a provided at the extending end of the shaft portion 20a. Includes the main body 20b. The detachable main body 20b is a metal plate that can be attracted to the magnet 38 of the tray 16.
　図１～図４に示すように、採血装置１０は、第１室２４ａから開口部３６を介して第２室２４ｂへの異物の進入を抑制する壁構造５０を備える。壁構造５０は、外部から隙間Ｓへの異物の進入を抑制するカバー部５２と、第１室２４ａに進入した異物の第２室２４ｂへの進入を抑制する突出壁部５４とを含む。 As shown in FIGS. 1 to 4, the blood collection device 10 includes a wall structure 50 that suppresses the entry of foreign matter from the first chamber 24a into the second chamber 24b through the opening 36. The wall structure 50 includes a cover portion 52 that suppresses the entry of foreign matter into the gap S from the outside, and a protruding wall portion 54 that suppresses the entry of foreign matter that has entered the first chamber 24a into the second chamber 24b.
　図１～図３において、カバー部５２は、シール部３２から内方に向かって延出するとともにシール部３２に沿って枠形状（環状）に延在している。すなわち、カバー部５２は、隙間Ｓを上方から覆うように設けられている。カバー部５２は、トレー１６が着脱部２０に装着された状態でトレー１６の外縁部を上方から覆っている。カバー部５２は、シール部３２に対して一体的に設けられている。換言すれば、カバー部５２とシール部３２とは、ゴム等の一体成形品である。カバー部５２の厚さは、シール部３２の厚さよりも薄い。カバー部５２は、略水平に延在している。ただし、カバー部５２は、シール部３２から内方に向かって上方又は下方に延出してもよい。 In FIGS. 1 to 3, the cover portion 52 extends inward from the seal portion 32 and extends in a frame shape (annular shape) along the seal portion 32. That is, the cover portion 52 is provided so as to cover the gap S from above. The cover portion 52 covers the outer edge portion of the tray 16 from above with the tray 16 attached to the detachable portion 20. The cover portion 52 is provided integrally with the seal portion 32. In other words, the cover portion 52 and the seal portion 32 are integrally molded products such as rubber. The thickness of the cover portion 52 is thinner than the thickness of the seal portion 32. The cover portion 52 extends substantially horizontally. However, the cover portion 52 may extend upward or downward from the seal portion 32 inward.
　カバー部５２は、可撓性を有している。そのため、トレー１６を着脱部２０から取り外す際にトレー１６がカバー部５２に当たった場合であっても、カバー部５２を上方に撓ませることができる（図５参照）。また、トレー１６を装着部に装着する際にトレー１６がカバー部５２に当たった場合であっても、カバー部５２を下方に撓ませることができる。カバー部５２には、複数のスリット５３が形成されている。本実施形態では、スリット５３は、カバー部５２の角部に位置している。これにより、カバー部５２を複数の部分（４つの部分）に分割することができ、カバー部５２の各部分を上下方向に円滑に撓ませることができる。 The cover portion 52 has flexibility. Therefore, even if the tray 16 hits the cover portion 52 when the tray 16 is removed from the detachable portion 20, the cover portion 52 can be bent upward (see FIG. 5). Further, even when the tray 16 hits the cover portion 52 when the tray 16 is mounted on the mounting portion, the cover portion 52 can be bent downward. A plurality of slits 53 are formed in the cover portion 52. In the present embodiment, the slit 53 is located at a corner of the cover portion 52. As a result, the cover portion 52 can be divided into a plurality of portions (four portions), and each portion of the cover portion 52 can be smoothly bent in the vertical direction.
　図１、図２及び図４において、突出壁部５４は、隔壁３４から上方に突出している。突出壁部５４は、上方から見て、開口部３６を３方向（矢印Ａ１方向及び矢印Ｂ方向）から囲むようにＵ字状に形成されている。突出壁部５４の突出長は、着脱部２０にトレー１６が装着された状態で、トレー１６の下面と隔壁３４の上面との間隔よりも低い。 In FIGS. 1, 2 and 4, the protruding wall portion 54 projects upward from the partition wall 34. The protruding wall portion 54 is formed in a U shape so as to surround the opening 36 from three directions (arrow A1 direction and arrow B direction) when viewed from above. The protruding length of the protruding wall portion 54 is lower than the distance between the lower surface of the tray 16 and the upper surface of the partition wall 34 when the tray 16 is attached to the detachable portion 20.
　突出壁部５４は、開口部３６と前壁部２８ａとの間に位置する第１壁部５６ａと、開口部３６と側壁部２８ｃとの間に位置する第２壁部５６ｂと、開口部３６と側壁部２８ｄとの間に位置する第３壁部５６ｃとを有する。 The protruding wall portion 54 includes a first wall portion 56a located between the opening 36 and the front wall portion 28a, a second wall portion 56b located between the opening 36 and the side wall portion 28c, and an opening 36. It has a third wall portion 56c located between the side wall portion 28d and the side wall portion 28d.
　図４に示すように、第１壁部５６ａは、前壁部２８ａに対して平行に延在している。第１壁部５６ａの長さ（矢印Ｂ方向の長さ）は、開口部３６の幅よりも長い。第２壁部５６ｂは、第１壁部５６ａの長手方向の一端部から後壁部２８ｂに向かって側壁部２８ｃに対して平行に延在している。第３壁部５６ｃは、第１壁部５６ａの長手方向の他端部から後壁部２８ｂに向かって側壁部２８ｄに対して平行に延在している。第２壁部５６ｂと第３壁部５６ｃとは互いに平行に延在している。 As shown in FIG. 4, the first wall portion 56a extends parallel to the front wall portion 28a. The length of the first wall portion 56a (the length in the arrow B direction) is longer than the width of the opening 36. The second wall portion 56b extends parallel to the side wall portion 28c from one end portion in the longitudinal direction of the first wall portion 56a toward the rear wall portion 28b. The third wall portion 56c extends parallel to the side wall portion 28d from the other end of the first wall portion 56a in the longitudinal direction toward the rear wall portion 28b. The second wall portion 56b and the third wall portion 56c extend in parallel with each other.
　この場合、本実施形態に係る採血装置１０は、以下の効果を奏する。 In this case, the blood collecting device 10 according to the present embodiment has the following effects.
　採血装置１０は、第１室２４ａから開口部３６を介して第２室２４ｂへの異物の進入を抑制する壁構造５０を備える。 The blood collection device 10 includes a wall structure 50 that suppresses the entry of foreign matter from the first chamber 24a into the second chamber 24b through the opening 36.
　このような構成によれば、壁構造５０によって第１室２４ａから開口部３６を介して第２室２４ｂへの異物の進入を抑制することができるため、第２室２４ｂに設けられた揺動機構１８に異物が入り込むことを抑制することができる。 According to such a configuration, since the wall structure 50 can suppress the entry of foreign matter from the first chamber 24a into the second chamber 24b through the opening 36, the swing provided in the second chamber 24b. It is possible to prevent foreign matter from entering the mechanism 18.
　第１室２４ａを形成する周壁部２８とトレー１６との間には隙間Ｓが形成され、壁構造５０は、隙間Ｓを上方から覆うカバー部５２を有する。 A gap S is formed between the peripheral wall portion 28 forming the first chamber 24a and the tray 16, and the wall structure 50 has a cover portion 52 that covers the gap S from above.
　このような構成によれば、外部から周壁部２８とトレー１６との間の隙間Ｓに異物が進入することをカバー部５２によって抑制することができる。 According to such a configuration, the cover portion 52 can prevent foreign matter from entering the gap S between the peripheral wall portion 28 and the tray 16 from the outside.
　カバー部５２は、トレー１６の外形形状に沿って枠状に形成されている。 The cover portion 52 is formed in a frame shape along the outer shape of the tray 16.
　このような構成によれば、隙間Ｓへの異物の進入を効果的に抑制することができる。 According to such a configuration, it is possible to effectively suppress the entry of foreign matter into the gap S.
　カバー部５２は、トレー１６が着脱部２０に装着された状態でトレー１６よりも上方に位置している。 The cover portion 52 is located above the tray 16 with the tray 16 attached to the detachable portion 20.
　このような構成によれば、トレー１６を揺動させる際にトレー１６がカバー部５２に当たることを抑えることができる。 According to such a configuration, it is possible to prevent the tray 16 from hitting the cover portion 52 when the tray 16 is swung.
　カバー部５２は、可撓性を有している。 The cover portion 52 has flexibility.
　このような構成によれば、トレー１６を着脱部２０に着脱する際にトレー１６にカバー部５２が当たった場合であってもカバー部５２を上下方向に撓ませることができる。これにより、トレー１６の着脱部２０への着脱操作を円滑に行うことができる。 According to such a configuration, the cover portion 52 can be bent in the vertical direction even when the cover portion 52 hits the tray 16 when the tray 16 is attached to or detached from the attachment / detachment portion 20. As a result, the operation of attaching / detaching the tray 16 to / from the attaching / detaching portion 20 can be smoothly performed.
　採血装置１０は、筐体１２の上部に開閉可能に設けられた蓋体１４を備え、筐体１２の上端部には、蓋体１４の閉状態で蓋体１４との間を気密にシールするシール部３２が設けられている。カバー部５２は、シール部３２から内方に向かって延出している。 The blood collecting device 10 includes a lid body 14 provided on the upper part of the housing 12 so as to be openable and closable, and the upper end portion of the housing 12 is airtightly sealed between the lid body 14 and the lid body 14 in a closed state. A seal portion 32 is provided. The cover portion 52 extends inward from the seal portion 32.
　このような構成によれば、カバー部５２とシール部３２とを一体的に成形することができるため、部品点数の削減を図ることができるとともにコストの低廉化を図ることができる。 According to such a configuration, since the cover portion 52 and the seal portion 32 can be integrally molded, the number of parts can be reduced and the cost can be reduced.
　壁構造５０は、隔壁３４から上方に突出して第１室２４ａに進入した異物の開口部３６への進入を抑制する突出壁部５４を有する。 The wall structure 50 has a protruding wall portion 54 that projects upward from the partition wall 34 and suppresses the entry of foreign matter that has entered the first chamber 24a into the opening 36.
　このような構成によれば、第２室２４ｂへの異物の進入を効果的に抑制することができる。 According to such a configuration, it is possible to effectively suppress the entry of foreign matter into the second chamber 24b.
　開口部３６は、トレー１６が着脱部２０に装着された状態で、トレー１６の下方に位置する。突出壁部５４は、開口部３６を囲むように延在している。 The opening 36 is located below the tray 16 with the tray 16 attached to the attachment / detachment portion 20. The protruding wall portion 54 extends so as to surround the opening 36.
　このような構成によれば、第２室２４ｂへの異物の進入を一層効果的に抑制することができる。 According to such a configuration, it is possible to more effectively suppress the entry of foreign matter into the second chamber 24b.
　本発明は上述した実施形態に限定されるものではなく、本発明の要旨を逸脱しない範囲において、種々の改変が可能である。 The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the gist of the present invention.
　カバー部５２は、トレー１６が着脱部２０に装着された状態でトレー１６の上方に位置していなくてもよい。この場合、トレー１６の着脱部２０に対する着脱操作を円滑に行うことができる。カバー部５２は、シール部３２から延出していなくてもよい。つまり、カバー部５２は、周壁部２８に設けられてもよい。この場合、カバー部５２は、金属材料によって構成されてもよい。カバー部５２は、トレー１６が着脱部２０に装着された状態でトレー１６の下面よりも下方に位置してもよい。突出壁部５４は、開口部３６の外縁部に設けられてもよい。 The cover portion 52 does not have to be located above the tray 16 with the tray 16 attached to the detachable portion 20. In this case, the attachment / detachment operation of the tray 16 to / from the attachment / detachment portion 20 can be smoothly performed. The cover portion 52 does not have to extend from the seal portion 32. That is, the cover portion 52 may be provided on the peripheral wall portion 28. In this case, the cover portion 52 may be made of a metal material. The cover portion 52 may be located below the lower surface of the tray 16 with the tray 16 mounted on the detachable portion 20. The protruding wall portion 54 may be provided at the outer edge portion of the opening 36.
　以上の実施形態をまとめると、以下のようになる。 The above embodiments can be summarized as follows.
　上記実施形態は、負圧を利用して供血者から血液バッグ（２００）内への採血を行う採血装置（１０）であって、筐体（１２）と、前記筐体内を第１室（２４ａ）と前記第１室の下方に位置する第２室（２４ｂ）とに仕切る隔壁（３４）と、前記第１室に設けられて前記血液バッグを配置するためのトレー（１６）と、前記第２室に設けられて前記トレーを揺動する揺動機構（１８）と、前記揺動機構に設けられて前記トレーが着脱可能に形成された着脱部（２０）と、を備え、前記隔壁には、前記第１室と前記第２室とを互いに連通させるとともに前記着脱部が挿通する開口部（３６）が形成され、前記第１室から前記開口部を介して前記第２室への異物の進入を抑制する壁構造（５０）をさらに備える、採血装置を開示している。 The above embodiment is a blood collection device (10) that collects blood from a donor into a blood bag (200) using negative pressure, and has a housing (12) and a first chamber (24a) inside the housing. ) And a partition wall (34) partitioning the second chamber (24b) located below the first chamber, a tray (16) provided in the first chamber for arranging the blood bag, and the first chamber. The partition wall is provided with a swing mechanism (18) provided in two chambers to swing the tray and a detachable portion (20) provided in the swing mechanism so that the tray is detachably formed. The first chamber and the second chamber are communicated with each other, and an opening (36) through which the detachable portion is inserted is formed, and a foreign matter from the first chamber to the second chamber via the opening is formed. A blood collection device is disclosed that further comprises a wall structure (50) that suppresses the invasion of the blood.
　上記の採血装置において、前記第１室を形成する周壁部（２８）と前記トレーとの間には隙間（Ｓ）が形成され、前記壁構造は、前記隙間を上方から覆うカバー部（５２）を有してもよい。 In the blood collection device, a gap (S) is formed between the peripheral wall portion (28) forming the first chamber and the tray, and the wall structure has a cover portion (52) that covers the gap from above. May have.
　上記の採血装置において、前記カバー部は、前記トレーの外形形状に沿って枠状に形成されてもよい。 In the blood collecting device, the cover portion may be formed in a frame shape along the outer shape of the tray.
　上記の採血装置において、前記カバー部は、前記トレーが前記着脱部に装着された状態で前記トレーよりも上方に位置してもよい。 In the blood collection device, the cover portion may be located above the tray with the tray attached to the attachment / detachment portion.
　上記の採血装置において、前記カバー部は、可撓性を有してもよい。 In the above blood collection device, the cover portion may have flexibility.
　上記の採血装置において、前記筐体の上部に開閉可能に設けられた蓋体（１４）を備え、前記筐体の上端部には、前記蓋体の閉状態で前記蓋体との間を気密にシールするシール部（３２）が設けられ、前記カバー部は、前記シール部から内方に向かって延出してもよい。 In the blood collecting device, a lid (14) is provided on the upper part of the housing so as to be openable and closable, and the upper end of the housing is airtight with the lid in a closed state. A seal portion (32) is provided to seal the cover portion, and the cover portion may extend inward from the seal portion.
　上記の採血装置において、前記壁構造は、前記隔壁から上方に突出して前記第１室に進入した前記異物の前記開口部への進入を抑制する突出壁部（５４）を有してもよい。 In the blood collection device, the wall structure may have a protruding wall portion (54) that projects upward from the partition wall and suppresses the entry of the foreign substance that has entered the first chamber into the opening.
　上記の採血装置において、前記開口部は、前記トレーが前記着脱部に装着された状態で、前記トレーの下方に位置し、前記突出壁部は、前記開口部を囲むように延在してもよい。 In the blood collection device, the opening is located below the tray with the tray attached to the attachment / detachment portion, and the protruding wall portion extends so as to surround the opening. Good.

Claims (8)

  1. 　負圧を利用して供血者から血液バッグ内への採血を行う採血装置であって、
    　筐体と、
    　前記筐体内を第１室と前記第１室の下方に位置する第２室とに仕切る隔壁と、
    　前記第１室に設けられて前記血液バッグを配置するためのトレーと、
    　前記第２室に設けられて前記トレーを揺動する揺動機構と、
    　前記揺動機構に設けられて前記トレーが着脱可能に形成された着脱部と、を備え、
    　前記隔壁には、前記第１室と前記第２室とを互いに連通させるとともに前記着脱部が挿通する開口部が形成され、
    　前記第１室から前記開口部を介して前記第２室への異物の進入を抑制する壁構造をさらに備える、採血装置。     A blood collection device that collects blood from a donor into a blood bag using negative pressure.
    With the housing
    A partition wall that divides the inside of the housing into a first chamber and a second chamber located below the first chamber.
    A tray provided in the first chamber for arranging the blood bag and
    A swing mechanism provided in the second chamber to swing the tray,
    A detachable portion provided on the swing mechanism and the tray is detachably formed is provided.
    The partition wall is formed with an opening through which the detachable portion is inserted while communicating the first chamber and the second chamber with each other.
    A blood sampling device further comprising a wall structure for suppressing the entry of foreign matter from the first chamber into the second chamber through the opening.
  2. 　請求項１記載の採血装置であって、
    　前記第１室を形成する周壁部と前記トレーとの間には隙間が形成され、
    　前記壁構造は、前記隙間を上方から覆うカバー部を有する、採血装置。     The blood sampling device according to claim 1.
    A gap is formed between the peripheral wall portion forming the first chamber and the tray.
    The wall structure is a blood collection device having a cover portion that covers the gap from above.
  3. 　請求項２記載の採血装置であって、
    　前記カバー部は、前記トレーの外形形状に沿って枠状に形成されている、採血装置。     The blood sampling device according to claim 2.
    The cover portion is a blood collecting device formed in a frame shape along the outer shape of the tray.
  4. 　請求項２又は３に記載の採血装置であって、
    　前記カバー部は、前記トレーが前記着脱部に装着された状態で前記トレーよりも上方に位置している、採血装置。     The blood sampling device according to claim 2 or 3.
    The cover portion is a blood collection device in which the tray is located above the tray with the tray attached to the attachment / detachment portion.
  5. 　請求項４記載の採血装置であって、
    　前記カバー部は、可撓性を有している、採血装置。     The blood sampling device according to claim 4.
    The cover portion is a blood sampling device having flexibility.
  6. 　請求項２～５のいずれか１項に記載の採血装置であって、
    　前記筐体の上部に開閉可能に設けられた蓋体を備え、
    　前記筐体の上端部には、前記蓋体の閉状態で前記蓋体との間を気密にシールするシール部が設けられ、
    　前記カバー部は、前記シール部から内方に向かって延出している、採血装置。     The blood sampling device according to any one of claims 2 to 5.
    A lid that can be opened and closed is provided on the upper part of the housing.
    At the upper end of the housing, a seal portion is provided to airtightly seal the lid with the lid in the closed state.
    The cover portion is a blood collection device extending inward from the seal portion.
  7. 　請求項１～６のいずれか１項に記載の採血装置であって、
    　前記壁構造は、前記隔壁から上方に突出して前記第１室に進入した前記異物の前記開口部への進入を抑制する突出壁部を有する、採血装置。     The blood collecting device according to any one of claims 1 to 6.
    The wall structure is a blood collection device having a protruding wall portion that projects upward from the partition wall and suppresses the entry of the foreign substance that has entered the first chamber into the opening.
  8. 　請求項７記載の採血装置であって、
    　前記開口部は、前記トレーが前記着脱部に装着された状態で、前記トレーの下方に位置し、
    　前記突出壁部は、前記開口部を囲むように延在している、採血装置。     The blood sampling device according to claim 7.
    The opening is located below the tray with the tray attached to the attachment / detachment portion.
    A blood sampling device in which the protruding wall portion extends so as to surround the opening.
PCT/JP2020/022779 2019-06-11 2020-06-10 Blood collection device WO2020250918A1 (en)

Priority Applications (2)

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JP2021526106A JP7444877B2 (en) 2019-06-11 2020-06-10 blood sampling device
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JP2019-108566 2019-06-11
JP2019108566 2019-06-11

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Citations (3)

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JPH028408U (en) * 1988-06-28 1990-01-19
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JP2012217623A (en) * 2011-04-08 2012-11-12 Kawasumi Lab Inc Blood sampling instrument

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JPH08173406A (en) * 1994-12-27 1996-07-09 Terumo Corp Blood taking device
JP3241966B2 (en) * 1995-04-25 2001-12-25 テルモ株式会社 Blood collection device
JP4052407B2 (en) * 1998-09-08 2008-02-27 川澄化学工業株式会社 Blood collection device
CN2467113Y (en) * 2000-10-20 2001-12-26 北京浩奥博科技有限公司 Apparatus for interdynamic of blood sampling bag vibration and accelerating taken blood
JP4220199B2 (en) * 2002-08-23 2009-02-04 川澄化学工業株式会社 Blood collection apparatus and blood collection system
US20140199193A1 (en) * 2007-02-27 2014-07-17 Deka Products Limited Partnership Blood treatment systems and methods
CN202555208U (en) * 2012-05-28 2012-11-28 林荣海 Blood sampling oscillator

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
JPH028408U (en) * 1988-06-28 1990-01-19
US5680110A (en) * 1993-08-05 1997-10-21 Max-Medical Pty Ltd. Blood donation monitoring means for monitoring the flow of blood through a receptacle
JP2012217623A (en) * 2011-04-08 2012-11-12 Kawasumi Lab Inc Blood sampling instrument

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