JP2023181482A - 静脈内(iv)流体投与のための直線作動フローコントローラ - Google Patents
静脈内(iv)流体投与のための直線作動フローコントローラ Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16K7/04—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force
- F16K7/06—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force by means of a screw-spindle, cam, or other mechanical means
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Abstract
Description
Claims (20)
- 静脈内(IV)チューブのためのフローコントローラであって、前記フローコントローラは、
第1の外面と、前記第1の外面に対して角度を設けて配置される第1の内面とを有する第1の構造部材と、
前記第1の外面に対して平行な第2の外面と、前記第1の内面に対して平行な第2の連続的な内面とを有する第2の構造部材と、
前記第1の構造部材または前記第2の構造部材の一方に配置された第3の構造部材であって、前記第3の構造部材は、前記第1の構造部材および前記第2の構造部材の間に位置する空洞の少なくとも一部分のための摩擦低減表面を有する、第3の構造部材とを備え、
前記第1の構造部材は、前記IVチューブの一部を圧縮して前記IVチューブを通る医療用流体の流れを制御するように、前記空洞の中に配置された前記IVチューブの長さに沿って直線的にスライド可能である、フローコントローラ。 - 前記第1の内面が、前記IVチューブの第1の側面で前記空洞の一部分を画定し、前記第2の連続的な内面が、前記IVチューブの第2の側面で前記空洞の一部分を画定する、請求項1に記載のフローコントローラ。
- 前記第1の内面は、傾斜した第1の表面であり、前記第2の連続的な内面は、傾斜した第2の表面であり、前記傾斜した第1の表面は、前記直線的にスライド可能な第1の構造部材の前記第2の構造部材に対するすべての位置で、前記傾斜した第2の表面に平行である、請求項1に記載のフローコントローラ。
- 前記直線的にスライド可能な第1の構造部材は、前記IVチューブが前記空洞内で圧縮解除される開位置と、前記開位置から直線的に分離された閉位置とを有し、前記IVチューブの前記一部分は、前記傾斜した第1の表面と前記傾斜した第2の表面との間で圧縮されて、前記IVチューブを通る前記医療用流体の流れを止める、請求項3に記載のフローコントローラ。
- 前記直線的にスライド可能な第1の構造部材は、未圧縮の開位置と圧縮された閉位置との間で連続的にスライド可能であり、前記開位置と前記閉位置との間の前記直線的にスライド可能な第1の構造部材の各中間位置は、前記IVチューブを通る対応する中間流量を設定するための、前記傾斜した第1の表面と前記傾斜した第2の表面との間の前記IVチューブの前記一部分の中間圧縮に関連付けられる、請求項3に記載のフローコントローラ。
- 前記直線的にスライド可能な第1の構造部材が、前記第1の構造部材の外面上へのユーザの指からの圧力に応じて、前記第2の構造部材に対してレールに沿ってスライドするように構成されている、請求項1に記載のフローコントローラ。
- 前記第1の構造部材に結合された回転制御部材をさらに含み、前記回転制御部材の回転により、前記第1の構造部材が前記第2の構造部材に対してレールに沿って直線的にスライドする、請求項1に記載のフローコントローラ。
- 前記回転制御部材は、前記第1の構造部材に結合されたスコッチヨーク機構用のホイールを含む、請求項1に記載のフローコントローラ。
- 前記ホイールは、前記スコッチヨーク機構用の第1のホイールを含み、かつ第1の直径を有し、前記フローコントローラは、前記第1の直径よりも大きい第2の直径を有する第2のホイールをさらに含み、前記第1の構造部材の前記位置の粗いおよび微細な直線的制御の両方を提供する、請求項8に記載のフローコントローラ。
- 前記第1の構造部材に結合された追加の回転アクチュエータをさらに含む、請求項9に記載のフローコントローラ。
- 前記第1の構造部材と前記スコッチヨーク機構の直線部分との間に複数の戻り止め特徴部をさらに含み、前記戻り止め特徴部は、前記第1の構造部材の前記位置の粗い直線的制御を提供し、前記ホイールは、戻り止め特徴部の位置間の前記第1の構造部材の前記位置の微細な直線的制御を提供する、請求項8に記載のフローコントローラ。
- 前記第1の構造部材を示して前記閉位置に保持するために、前記スコッチヨーク機構内にハードストップをさらに含む、請求項8に記載のフローコントローラ。
- 前記第1の構造部材を示して閉位置に保持するために、前記第2の構造部材にハードストップをさらに含む、請求項1に記載のフローコントローラ。
- 前記第1の構造部材または前記第2の構造部材の他方に配置された摩擦増加特徴部をさらに含む、請求項1に記載のフローコントローラ。
- 静脈内(IV)チューブのためのフローコントローラであって、前記フローコントローラは、
第1の内面と、第1の外面とを有する第1の傾斜ウェッジ構造体と、
前記第1の内面に対して平行な第2の連続的な内面と、前記第1の外面に対して平行な第2の外面とを有する第2の傾斜ウェッジ構造体であって、前記第1の傾斜ウェッジ構造体の上をスライドして、前記第1の傾斜ウェッジ構造体と前記第2の傾斜ウェッジ構造体との間に位置する空洞に配置された前記IVチューブの一部分を圧縮するように構成された、前記第2の傾斜ウェッジ構造体と、
前記空洞の少なくとも一部分のための摩擦低減表面を有する構造部材とを備える、フローコントローラ。 - 直線状スロットを有するヨークと、
ホイールであって、前記ホイールの中心から半径方向に分離され、かつ前記直線状スロットにスライド可能に配置されたピンを有する、ホイールと、
前記ヨークおよび前記第1の傾斜ウェッジ構造体に結合された伝達構造体とをさらに備え、
前記ヨークは、前記ホイールの回転を前記伝達構造体の直線作動に伝達して、前記第2の傾斜ウェッジ構造体を前記第1の傾斜ウェッジ構造体の上に直線的にスライドさせるように構成される、請求項15に記載のフローコントローラ。 - 前記第1の内面は、第1の傾斜表面であり、前記第2の内面は、前記第1の傾斜表面に平行な第2の傾斜表面であり、前記第1の傾斜表面と前記第2の傾斜表面との間の距離は、前記第2の傾斜ウェッジ構造体の直線的スライドによって制御可能であり、前記IVチューブの一部分を制御可能に圧縮する、請求項15に記載のフローコントローラ。
- 前記第2の傾斜ウェッジ構造体の動きを制限する前記第1の傾斜ウェッジ構造体上のハードストップ特徴部をさらに含む、請求項15に記載のフローコントローラ。
- 前記第1の傾斜ウェッジ構造体と前記第2の傾斜ウェッジ構造体との間のインターロックインターフェースをさらに含む、請求項15に記載のフローコントローラ。
- 静脈内(IV)セットであって、
IVチューブと、
前記IVチューブに結合されたフローコントローラとを備え、
前記フローコントローラは、
第1の内面と、第1の外面とを有する第1の傾斜ウェッジ構造体と、
前記第1の内面に対して平行な第2の連続的な内面と、前記第1の外面に対して平行な第2の外面とを有する第2の傾斜ウェッジ構造体であって、前記第1の傾斜ウェッジ構造体の上をスライドして、前記第1の傾斜ウェッジ構造体と前記第2の傾斜ウェッジ構造体との間に位置する空洞に配置された前記IVチューブの一部分を圧縮するように構成された、前記第2の傾斜ウェッジ構造体と、
前記空洞の少なくとも一部分のための摩擦低減表面を有する構造部材とを備える、静脈内(IV)セット。
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PCT/US2019/023115 WO2019183189A1 (en) | 2018-03-21 | 2019-03-20 | Linearly actuated flow controller for intravenous (iv) fluid administration |
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WO2022153259A1 (en) * | 2021-01-17 | 2022-07-21 | Inspiremd Ltd. | Shunts with blood-flow indicators |
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GB1322546A (en) * | 1969-09-19 | 1973-07-04 | Illinois Tool Works | Fluid flowcontrol means |
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US4406440A (en) * | 1980-03-25 | 1983-09-27 | Baxter Travenol Laboratories, Inc. | Flow regulating device |
US4360007A (en) | 1980-08-05 | 1982-11-23 | Yeda Research And Development Co., Ltd. | Remote controlled magnetic actuator particularly for an implantable device like a valve |
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