JP7018927B2 - 注入隆起部捕捉針シールド - Google Patents
注入隆起部捕捉針シールド Download PDFInfo
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- JP7018927B2 JP7018927B2 JP2019504111A JP2019504111A JP7018927B2 JP 7018927 B2 JP7018927 B2 JP 7018927B2 JP 2019504111 A JP2019504111 A JP 2019504111A JP 2019504111 A JP2019504111 A JP 2019504111A JP 7018927 B2 JP7018927 B2 JP 7018927B2
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Images
Classifications
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- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
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- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
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- A61M25/0618—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for protecting only the distal tip of the needle, e.g. a needle guard
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- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
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- A61M25/0631—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for fully covering the needle after its withdrawal, e.g. needle being withdrawn inside the handle or a cover being advanced over the needle
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- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
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- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/3273—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel freely sliding on needle shaft without connection to syringe or needle
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
- A61M5/14248—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type
- A61M2005/14252—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type with needle insertion means
- A61M2005/14256—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type with needle insertion means with means for preventing access to the needle after use
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- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
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- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1586—Holding accessories for holding infusion needles on the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1587—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body suitable for being connected to an infusion line after insertion into a patient
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- A—HUMAN NECESSITIES
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- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3216—Caps placed transversally onto the needle, e.g. pivotally attached to the needle base
- A61M5/3219—Semi-automatic repositioning of the cap, i.e. in which the repositioning of the cap to the needle covering position requires a deliberate action by the user to trigger the repositioning of the cap, e.g. manual release of spring-biased cap repositioning means
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Vascular Medicine (AREA)
- Environmental & Geological Engineering (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
Claims (19)
- カテーテルおよび連結器を有するベース、
針ハブに連結される近位端および遠位端を備える誘導針を有する針ハブであって、前記針ハブの前記遠位端は前記ベースの前記連結器に接続するための可撓性脚部を有し、前記誘導針は、前記カテーテルの軸方向通路を通って延びる、針ハブ、ならびに
前記針ハブ内にスライド可能に受け入れられる針シールドであって、前記針シールドは、近位端および遠位端を有し、前記針シールドの前記遠位端は、前記誘導針を受け入れるための開口部を備える内方に延びるアームを有する2つの脚部を含み、前記脚部は、前記誘導針が前記アームの前記開口部内にありおよび前記針シールドが前記針ハブに受け入れられるときに、前記ベースの前記連結器に連結され、ならびに前記針シールドが前記針ハブから分離されおよび前記誘導針が前記脚部から分離されるときに、前記脚部は、外方に跳ね返りおよび前記ベースの前記連結器から係合解除される、針シールド、
を含むことを特徴とする注入デバイス。 - 前記針ハブは、前記ベースの前記連結器の外面に連結するのに適し、および前記脚部は、前記ベースの前記外面に連結されることを特徴とする請求項1に記載の注入デバイス。
- 前記脚部は、前記ベースの前記連結器と係合するための内方に延びるタブを備える遠位端を有することを特徴とする請求項1に記載の注入デバイス。
- 前記針ハブは、側壁および前記針シールドを受け入れる開放端を有し、前記側壁は、前記脚部が前記連結器に接続されたときに前記脚部と接触し、および前記針ハブおよび誘導針を前記ベースに関して移動させることは、前記誘導針を前記アームから分離し、および前記側壁を前記針シールドの前記脚部から分離し、それによって、前記脚部は、外方に跳ね返って前記連結器から分離することを特徴とする請求項1に記載の注入デバイス。
- 前記針シールドは、第1の位置において前記アームと接触するばねガードを有し、および前記誘導針が前記アームから分離するときに、前記誘導針の前記遠位端を覆う第2の位置に偏倚することを特徴とする請求項4に記載の注入デバイス。
- 前記針シールドは、前記誘導針を受け入れる開口部を含む本体を備え、および前記誘導針は、前記開口部の内径よりも大きい外径を持つ隆起部を有して前記誘導針に関する前記針シールドの分離を防止することを特徴とする請求項5に記載の注入デバイス。
- 前記針ハブの前記可撓性脚部は、前記ベースの前記連結器に接続するために前記針ハブの前記開放端において内方に延びるフックを有することを特徴とする請求項4に記載の注入デバイス。
- 前記ベースの前記連結器は、送達デバイスに接続するために構成されることを特徴とする請求項1に記載の注入デバイス。
- カテーテルおよび連結器を有するベース、
開放端における凹部、ならびに前記凹部内部に位置付けられおよび針ハブに連結される近位端および前記カテーテルの軸方向通路を通って延びるための遠位端を有する誘導針、を有する針ハブ、
前記針ハブの前記凹部内に取り外し可能に受け入れられる針シールドであって、前記針シールドは、2つの内方に偏倚させられる脚部を有し、前記脚部は、第1の位置において前記針ハブと連結するための遠位端および前記誘導針のための開口部を備えるアーム、ならびに前記誘導針および前記脚部の前記アームに向かって偏倚させられるばねガードを有する、針シールド
を含み、
第1位置における前記誘導針は、前記脚部を前記針ハブとの連結係合に維持し、および第2位置における前記誘導針および前記針シールドは、前記針ハブの前記凹部から分離し、前記脚部は、第2の位置に外方に偏倚して前記針ハブから係合解除し、および前記ばねガードは、前記誘導針の前記遠位端を覆う位置に偏倚させられることを特徴とする注入デバイス。 - 前記針ハブは、前記ベースの前記連結器に接続するための前記開放端における内方に延びるフックを有し、および前記脚部の前記遠位端は、前記ベースに接続するための内方に延びるタブを有することを特徴とする請求項9に記載の注入デバイス。
- 前記針シールドは開口部を備える本体を有し、および前記誘導針は、前記本体における前記開口部の内のり寸法よりも大きい外のり寸法を備える隆起部を有して、前記針シールドを前記誘導針上に維持することを特徴とする請求項9に記載の注入デバイス。
- 前記針ハブは、前記開放端を画定する側壁を有し、および前記側壁は、前記脚部が前記第1の位置にあるとき前記脚部と接触し、および前記針ハブおよび誘導針を前記ベースに関して移動させることは、前記誘導針を前記脚部から分離しおよび前記側壁を前記脚部から分離し、それによって前記脚部は、前記第2の位置に外方に跳ね返ることを特徴とする請求項9に記載の注入デバイス。
- 前記側壁は、前記ベースの前記連結器に接続するための、前記開放端において内方に延びるフックを含み、および前記脚部の前記遠位端は、前記ベースの前記連結器に接続するための、内方に延びるタブを有することを特徴とする請求項12に記載の注入デバイス。
- 前記ベースの前記連結器は、送達デバイスに接続するために構成されることを特徴とする請求項9に記載の注入デバイス。
- 針ハブに連結される近位端、および遠位端、を備える誘導針を有する針ハブであって、前記誘導針は、注入デバイスのカテーテルを通って延びるために構成される、針ハブ、
近位端および遠位端を有する針シールドであって、前記針シールドの前記遠位端は、互いから離れて偏倚させられる2つの脚部を含み、各脚部は、前記誘導針を受け入れる開口部を備えるアームを有し、ならびにばねガードは、第1の位置と前記誘導針の長手方向軸に向かう方向に偏倚させられる第2の位置との間で屈曲するように構成される、針シールド、
を含み、
前記誘導針の前記遠位端が前記脚部の前記開口部内に受け入れられたとき、前記ばねガードは、前記脚部と接触しおよび当該第1の位置に維持され、ならびに前記誘導針が前記脚部から分離されたとき、前記ばねガードは、前記誘導針の前記遠位端を覆う当該第2の位置に偏倚させられることを特徴とする針ハブ組立品。 - 前記針ハブは、側壁および開放端を有し、ならびに前記針シールドは、前記針ハブの前記開放端内に受け入れられる第1の位置と、前記針ハブから分離される第2の位置と、の間で移動可能であることを特徴とする請求項15に記載の針ハブ組立品。
- 前記針ハブの前記開放端は、注入デバイスベースの連結器に接続するために構成される内方に延びるフックを含み、および
前記脚部は、前記注入デバイスベースの連結器に接続するための内方に延びるタブを備える遠位端を有することを特徴とする請求項16に記載の針ハブ組立品。 - 前記側壁は、前記針シールドが前記針ハブ内に受け入れられるときに、前記脚部と接触して、前記脚部をその第1の位置に維持し、および前記脚部は、前記針シールドがその第2の位置にあるときに、外方に跳ね返ることを特徴とする請求項17に記載の針ハブ組立品。
- 前記注入デバイスベースの前記連結器は、送達デバイスに接続するために構成されることを特徴とする請求項17に記載の針ハブ組立品。
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