WO2020250918A1 - 採血装置 - Google Patents

採血装置 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
Authority
WO
WIPO (PCT)
Prior art keywords
chamber
tray
blood
opening
collection device
Prior art date
Application number
PCT/JP2020/022779
Other languages
English (en)
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.)
Filing date
Publication date
Application filed by テルモ株式会社 filed Critical テルモ株式会社
Priority to CN202080040370.1A priority Critical patent/CN113905771B/zh
Priority to JP2021526106A priority patent/JP7444877B2/ja
Publication of WO2020250918A1 publication Critical patent/WO2020250918A1/ja

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Classifications

    • 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.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Hematology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • External Artificial Organs (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
PCT/JP2020/022779 2019-06-11 2020-06-10 採血装置 WO2020250918A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080040370.1A CN113905771B (zh) 2019-06-11 2020-06-10 采血装置
JP2021526106A JP7444877B2 (ja) 2019-06-11 2020-06-10 採血装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-108566 2019-06-11
JP2019108566 2019-06-11

Publications (1)

Publication Number Publication Date
WO2020250918A1 true WO2020250918A1 (ja) 2020-12-17

Family

ID=73781815

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/022779 WO2020250918A1 (ja) 2019-06-11 2020-06-10 採血装置

Country Status (3)

Country Link
JP (1) JP7444877B2 (enrdf_load_stackoverflow)
CN (1) CN113905771B (enrdf_load_stackoverflow)
WO (1) WO2020250918A1 (enrdf_load_stackoverflow)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH028408U (enrdf_load_stackoverflow) * 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 (ja) * 2011-04-08 2012-11-12 Kawasumi Lab Inc 採血装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08173406A (ja) * 1994-12-27 1996-07-09 Terumo Corp 採血装置
JP3241966B2 (ja) * 1995-04-25 2001-12-25 テルモ株式会社 採血装置
JP4052407B2 (ja) * 1998-09-08 2008-02-27 川澄化学工業株式会社 採血装置
CN2467113Y (zh) * 2000-10-20 2001-12-26 北京浩奥博科技有限公司 采血袋振荡与加速采血互动装置
JP4220199B2 (ja) * 2002-08-23 2009-02-04 川澄化学工業株式会社 採血装置及び採血システム
US20140199193A1 (en) * 2007-02-27 2014-07-17 Deka Products Limited Partnership Blood treatment systems and methods
CN202555208U (zh) * 2012-05-28 2012-11-28 林荣海 一种采血振荡仪

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH028408U (enrdf_load_stackoverflow) * 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 (ja) * 2011-04-08 2012-11-12 Kawasumi Lab Inc 採血装置

Also Published As

Publication number Publication date
CN113905771A (zh) 2022-01-07
CN113905771B (zh) 2023-05-26
JPWO2020250918A1 (enrdf_load_stackoverflow) 2020-12-17
JP7444877B2 (ja) 2024-03-06

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