JP5502763B2 - フラッシュバック血液採集ニードル - Google Patents
フラッシュバック血液採集ニードル Download PDFInfo
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- JP5502763B2 JP5502763B2 JP2010549628A JP2010549628A JP5502763B2 JP 5502763 B2 JP5502763 B2 JP 5502763B2 JP 2010549628 A JP2010549628 A JP 2010549628A JP 2010549628 A JP2010549628 A JP 2010549628A JP 5502763 B2 JP5502763 B2 JP 5502763B2
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Images
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
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/14—Devices for taking samples of blood ; Measuring characteristics of blood in vivo, e.g. gas concentration within the blood, pH-value of blood
- A61B5/1405—Devices for taking blood samples
- A61B5/1422—Devices for taking blood samples provided with indicating means, e.g. for vein entry
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
- A61B5/150213—Venting means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150389—Hollow piercing elements, e.g. canulas, needles, for piercing the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150473—Double-ended needles, e.g. used with pre-evacuated sampling tubes
- A61B5/150488—Details of construction of shaft
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150473—Double-ended needles, e.g. used with pre-evacuated sampling tubes
- A61B5/150496—Details of construction of hub, i.e. element used to attach the double-ended needle to a piercing device or sampling device
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
- A61B5/150572—Pierceable protectors, e.g. shields, caps, sleeves or films, e.g. for hygienic purposes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
- A61B5/1535—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes comprising means for indicating vein or arterial entry
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
- A61B5/150259—Improved gripping, e.g. with high friction pattern or projections on the housing surface or an ergonometric shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
- A61B5/150633—Protective sleeves which are axially extensible, e.g. sleeves connected to, or integrated in, the piercing or driving device; pivotable protective sleeves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
- A61B5/150664—Pivotable protective sleeves, i.e. sleeves connected to, or integrated in, the piercing or driving device, and which are pivoted for covering or uncovering the piercing element
- A61B5/150671—Pivotable protective sleeves, i.e. sleeves connected to, or integrated in, the piercing or driving device, and which are pivoted for covering or uncovering the piercing element comprising means to impede repositioning of protection sleeve from covering to uncovering position
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150732—Needle holders, for instance for holding the needle by the hub, used for example with double-ended needle and pre-evacuated tube
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
- A61B5/154—Devices using pre-evacuated means
- A61B5/1545—Devices using pre-evacuated means comprising means for indicating vein or arterial entry
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Hematology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Vascular Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
P1 V1 = P2 V2
ここで、
P1は、ニードル挿入前のニードル組立体内の空気の圧力であり、
P2は、静脈への進入後のニードル組立体内の空気の圧力であり、
V1は、静脈への進入前のニードル組立体内の空気の容積であり、そして
V2は、静脈への進入後のニードル組立体内の空気の容積である。
P1 V1 = P2 V2
P1/P2 = V2/ V1
760/790 = B/(A+B)
0.962 = B/(A+B)
0.962(A+B) = B
0.038B = 0.962A
B=25.3A
Claims (17)
- ハウジング内部を画成するハウジング、
該ハウジングの第1の端部から延びる第1の穿刺先端を有するカニューレ、
該ハウジングの第2の端部から延びる第2の穿刺先端であって、該第2の穿刺先端及び第1の穿刺先端はカニューレを介して互いに流体の連通をなし、そこで前記ハウジング内部と外部環境との間の唯一の連通経路が前記第1の穿刺先端を経由してのものである第2の穿刺先端、及び
前記ハウジング内部を、第1のチャンバーと第2のチャンバーとに分離すべく前記ハウジング内部に位置される多孔質の通気体であって、前記カニューレが第1のチャンバーと流体の連通をしている状態で、該第1のチャンバーがハウジング内部の全容積の約5パーセントから約20パーセントの容積を有するように位置され、該多孔質の通気体は第1のチャンバー及び第2のチャンバーの間に流体の経路をもたらすべく、それを貫通して延在する孔を含み、かかる孔は、血液が孔をシールすることなく少なくとも部分的に多孔質の通気体を通過するように適合されている多孔質の通気体、を備え、
前記第2のチャンバーは、少なくとも第1の内部領域及び第2の内部領域を備え、第1の内部領域及び第2の内部領域は互いに多孔質の通気体によって分離され、且つ互いに多孔質の通気体を介して流体の連通をしていることを特徴とするニードル組立体。 - 前記ハウジング内部は、約300mm3から約400mm3の全容積を有していることを特徴とする請求項1に記載のニードル組立体。
- 前記カニューレは、第1の穿刺先端を備える第1の端部と第2の穿刺先端を備える第2の端部を含み、該第1の端部及び該第2の端部の間の開口が、カニューレと前記ハウジングの前記第1のチャンバーとの間に流体の連通をもたらしていることを特徴とする請求項1に記載のニードル組立体。
- 前記カニューレは、第1の穿刺先端を有している第1のカニューレを備え、及び前記ニードル組立体は、前記第2の穿刺先端を含んでいる第2のカニューレをさらに備え、該第1のカニューレ及び該第2のカニューレは、前記ハウジングの前記第1のチャンバーとの流体の連通で、ほぼ軸方向に整列されると共に間隙によって分離されていることを特徴とする請求項1に記載のニードル組立体。
- 前記第2の穿刺先端の周りに延在するスリーブをさらに備え、前記スリーブは前記ハウジングの第2の端部を外部環境から封鎖していることを特徴とする請求項1に記載のニードル組立体。
- 前記第1のチャンバーを形成している前記ハウジングの少なくとも一部は、透明又は半透明な材料から形成されていることを特徴とする請求項1に記載のニードル組立体。
- 前記多孔質の通気体は、多孔質の疎水性担体材料から形成されていることを特徴とする請求項1に記載のニードル組立体。
- 前記ハウジングの第1の端部は、第1の直径を有する細長い長手方向の第1の部分を備え、及び前記ハウジングの第2の端部は、第1の部分の第1の直径よりも大きな第2の直径を有する第2の部分を備えることを特徴とする請求項1に記載のニードル組立体。
- 前記多孔質の通気体は、ハウジング内部で、第1の直径を有する第1の部分と第2の直径を有する第2の部分との間に位置されていることを特徴とする請求項8に記載のニードル組立体。
- 前記多孔質の通気体は、第1の位置の第1の直径と第2の位置の第2の直径との間の推移部にわたる位置に位置されていることを特徴とする請求項8に記載のニードル組立体。
- 第1のチャンバーの内容物は、第2のチャンバーの第1の内部領域及び第2の内部領域の少なくとも1つを介して視認できることを特徴とする請求項1に記載のニードル組立体。
- 第2のチャンバーの第1の内部領域及び第2の内部領域の1つは、多孔質の通気体から末端方向に延びていることを特徴とする請求項1に記載のニードル組立体。
- 第2のチャンバーの第1の内部領域及び第2の内部領域の1つは、長手方向にあり第1のチャンバーの一部を取り囲んでいることを特徴とする請求項12に記載のニードル組立体。
- ハウジングの第1の端部は第1の直径を有する細長い長手方向の第1の部分を備え、及びハウジングの第2の端部は第1の部分の第1の直径より大きな第2の直径を有する第2の部分を備え、多孔質の通気体が、第1の部分の第1の直径と第2の部分の第2の直径との間の推移部にわたる位置で、第1の直径を有する第1の部分と第2の直径を有する第2の部分との間のハウジング内部に位置されていることを特徴とする請求項1に記載のニードル組立体。
- 第1のチャンバーは長手方向の第1の部分の一部に沿って延び、第2のチャンバーの第1の内部領域は第2の部分の近くに位置され、及び第2のチャンバーの第2の内部領域は第1のチャンバーの一部の周りで、長手方向に旦つ同心に延びていることを特徴とする請求項14に記載のニードル組立体。
- ハウジングの第1の端部は、第1の直径の内部壁と第1の部分の第1の直径より大きい第2の直径の外壁を有する細長い長手方向の第1の部分を備え、及びハウジングの第2の端部は、第1の部分の第1の直径よりも大きな直径の第2の外壁を有する第2の部分を備え、多孔質の通気体は、該多孔質の通気体が第1の部分の内部壁の第1の直径、第1の部分の外壁の第2の直径、及び第2の部分の第2の外壁の直径にわたり、それによって、第1の部分の内部壁内の第1のチャンバー、第2の部分の第2の外壁内の第2のチャンバーの第1の領域、及び第1の部分の外壁内の第2のチャンバーの第2の領域を規定するような位置のハウジング内部に位置されていることを特徴とする請求項1に記載のニードル組立体。
- 第1の部分及び第2の部分は、その両者間に延在する多孔質の通気体を備えて、互いに対し別々に取り付けられていることを特徴とする請求項16に記載のニードル組立体。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/044,354 US7766879B2 (en) | 2008-03-07 | 2008-03-07 | Flashback blood collection needle |
US12/044,354 | 2008-03-07 | ||
US12/206,273 | 2008-09-08 | ||
US12/206,273 US8795198B2 (en) | 2008-03-07 | 2008-09-08 | Flashback blood collection needle |
PCT/US2008/075716 WO2009110922A1 (en) | 2008-03-07 | 2008-09-09 | Flashback blood collection needle |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013241296A Division JP5665949B2 (ja) | 2008-03-07 | 2013-11-21 | ニードル組立体の作動方法 |
JP2013241295A Division JP2014061426A (ja) | 2008-03-07 | 2013-11-21 | フラッシュバック血液採集ニードル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011528237A JP2011528237A (ja) | 2011-11-17 |
JP5502763B2 true JP5502763B2 (ja) | 2014-05-28 |
Family
ID=40029263
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010549628A Active JP5502763B2 (ja) | 2008-03-07 | 2008-09-09 | フラッシュバック血液採集ニードル |
JP2013241295A Withdrawn JP2014061426A (ja) | 2008-03-07 | 2013-11-21 | フラッシュバック血液採集ニードル |
JP2013241296A Active JP5665949B2 (ja) | 2008-03-07 | 2013-11-21 | ニードル組立体の作動方法 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013241295A Withdrawn JP2014061426A (ja) | 2008-03-07 | 2013-11-21 | フラッシュバック血液採集ニードル |
JP2013241296A Active JP5665949B2 (ja) | 2008-03-07 | 2013-11-21 | ニードル組立体の作動方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US8795198B2 (ja) |
EP (2) | EP3138494B1 (ja) |
JP (3) | JP5502763B2 (ja) |
CN (3) | CN102014750B (ja) |
AU (1) | AU2008351992B2 (ja) |
BR (1) | BRPI0822380B8 (ja) |
CA (1) | CA2717855C (ja) |
ES (2) | ES2754375T3 (ja) |
MX (2) | MX2010009785A (ja) |
WO (1) | WO2009110922A1 (ja) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008109845A2 (en) | 2007-03-07 | 2008-09-12 | Becton, Dickinson And Company | Safety blood collection assembly with indicator |
US8888713B2 (en) | 2007-03-07 | 2014-11-18 | Becton, Dickinson And Company | Safety blood collection assembly with indicator |
US8603009B2 (en) * | 2008-03-07 | 2013-12-10 | Becton, Dickinson And Company | Flashback blood collection needle |
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JP2014061426A (ja) | 2014-04-10 |
CN102014750A (zh) | 2011-04-13 |
EP3138494B1 (en) | 2019-08-07 |
CN104905801B (zh) | 2018-02-06 |
ES2754375T3 (es) | 2020-04-17 |
CN103356202B (zh) | 2015-05-20 |
EP2285277A1 (en) | 2011-02-23 |
BRPI0822380B1 (pt) | 2020-01-21 |
WO2009110922A1 (en) | 2009-09-11 |
JP2011528237A (ja) | 2011-11-17 |
CN104905801A (zh) | 2015-09-16 |
BRPI0822380B8 (pt) | 2021-06-22 |
BRPI0822380A2 (pt) | 2017-05-09 |
AU2008351992A1 (en) | 2009-09-11 |
CN102014750B (zh) | 2013-08-14 |
JP2014030773A (ja) | 2014-02-20 |
ES2613584T3 (es) | 2017-05-24 |
EP3138494A1 (en) | 2017-03-08 |
CA2717855A1 (en) | 2009-09-11 |
US20090227896A1 (en) | 2009-09-10 |
MX345787B (es) | 2017-02-15 |
CA2717855C (en) | 2016-11-15 |
JP5665949B2 (ja) | 2015-02-04 |
US8795198B2 (en) | 2014-08-05 |
MX2010009785A (es) | 2010-09-28 |
EP2285277B1 (en) | 2016-11-02 |
CN103356202A (zh) | 2013-10-23 |
AU2008351992B2 (en) | 2013-01-10 |
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