JP2016512755A - 一体型弁を有する真空カートリッジ - Google Patents
一体型弁を有する真空カートリッジ Download PDFInfo
- Publication number
- JP2016512755A JP2016512755A JP2016503180A JP2016503180A JP2016512755A JP 2016512755 A JP2016512755 A JP 2016512755A JP 2016503180 A JP2016503180 A JP 2016503180A JP 2016503180 A JP2016503180 A JP 2016503180A JP 2016512755 A JP2016512755 A JP 2016512755A
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- Prior art keywords
- suction chamber
- chamber
- valve
- way valve
- seal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
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Images
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- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
- F04B39/0016—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons with valve arranged in the piston
-
- 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
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
-
- 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
- A61M1/88—Draining devices having means for processing the drained fluid, e.g. an absorber
- A61M1/882—Draining devices provided with means for releasing antimicrobial or gelation agents in the drained fluid
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
- A61M2205/7536—General characteristics of the apparatus with filters allowing gas passage, but preventing liquid passage, e.g. liquophobic, hydrophobic, water-repellent membranes
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/82—Internal energy supply devices
- A61M2205/8275—Mechanical
- A61M2205/8281—Mechanical spring operated
-
- 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
- A61M2209/00—Ancillary equipment
- A61M2209/08—Supports for equipment
- A61M2209/088—Supports for equipment on the body
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Vascular Medicine (AREA)
- Public Health (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Surgery (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- External Artificial Organs (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
本出願は、2013年3月15日に出願された「Vacuum Cartridge with Integrated Valve」という題名の米国仮特許出願第61/801,626号に対して優先権を主張する。上記文献は、その全体として参照することによって本明細書において援用される。本出願はまた、2008年2月14日に出願された「Devices and Methods for Treatment of Damaged Tissue」という題名の米国仮特許出願第61/028,835号、および2009年2月17日に出願された米国特許出願12/372,661号(特許第8,177,764号)に関連する。上記文献らは、それぞれ、その全体として参照することによって本明細書において援用される。
創傷を治療するための準大気圧の使用は、古代文明の時代まで遡り得る。例えば、古代の中国人は、ガラスチャンバを燃焼することによって、減圧環境を生成し、身体から悪くなった体液を引き出す技法である、「吸い玉放血法」を使用していた。現代の研究では、損傷組織への減圧の印加は、いくつかの有益な効果を有し得ることが明らかにされている。1)減圧レベルは、損傷組織縁の後退につながり得、したがって、欠陥サイズを縮小させ得、かつ創傷収縮を促進することによって、治癒を促し得、2)減圧は、損傷組織への機械的刺激を提供し得、これは、創傷床において、成長因子を放出し、治癒を助長し得、3)減圧は、損傷組織空洞内に吸引力を生成し得、これは、壊死性組織を損傷組織空洞から除去し得、かつ細菌量を減少させ得、4)減圧の印加は、損傷組織への血流を増加させ得る、これは、治癒を促し得、かつ5)減圧は、メタロプロテアーゼ酵素を阻害する顆粒を除去し得、これは、組織再建および治癒を向上させ得る。
非電動式減圧治療装置を採用することによる創傷の治療を含む、損傷組織の治療のための方法および装置を開示する。ユーザにとっての使用の不快感を最小限にしながら、生成される減圧の維持および制御が、そのような装置によって提供されてもよい。いくつかの実施形態では、減圧治療装置は、吸引器具と、シーラント層と、接触マトリクスと、随意的な延長管類とを備えてもよい。吸引器具は、無音および/または装着型であるように構成され得る、非電動式装置であってもよい。いくつかの実施形態では、吸引器具は、衣服の下で目立たないよう装着されてもよいように、薄型外形を有してもよい。シーラント層は、吸引器具と損傷組織を含有する封入体との間に流体連通を提供するように、損傷組織を覆う実質的に気密性の封入体を作製してもよい。流体連通は、吸引器具とシーラント層との間の直接接続によって提供されてもよく、または吸引器具および取付ポートを接続する延長管類を通して提供されてもよい。いくつかの実施形態では、シーラント層は、可撓性であってもよいが、他の実施形態では、シーラント層は、半剛性または剛性であってもよい。いくつかの実施例では、半剛性または剛性シーラント層は、シーラント層が折り重なって自らに接着し得る危険性を低減または排除しながら、治療部位へのシーラント層の取扱または貼付を促進してもよい。延長管類は、コネクタまたは継手を使用して、シーラント層および/または吸引器具に連結されてもよい。コネクタは、随意に、延長管類の取付および着脱を促進するように、および/または偶発的な断絶を防止するように、解放可能な係止機構を備えてもよい。例えば、解放可能な係止機構は、管類の取付および/または着脱中に操作され得る、係止機構としての機能を果たす、解放ボタンまたは他のアクチュエータを備えてもよい。他の実施形態では、吸引器具は、シーラント層取付ポートに直接接続されてもよく、吸引器具の直接取付および管類を使用した遠隔取付の両方を可能にするように、延長管類と同じまたは同様のコネクタを伴うコネクタを備えてもよい。
創傷に減圧を提供するための技法の現代の適応が、最近、開発されている。これらの種類の減圧包帯システムのいくつかの市販のモデルが存在する。これらの装置は、創傷の中に配置される接合面層と、創傷の周囲にシールを生成する、閉塞層と、接合面層および創傷と流体連通する接続管類と、別個の浸出液回収キャニスタと、真空源を提供する電気ポンプとを備え得る。しかしながら、電気ポンプは、嵩張り、かつ重く、それによって、特に、長期治療周期の間、患者の移動度を低減させる。これらの電気ポンプは、動作時、騒々しく、かつ人目を引き得る。さらに、接合面層、閉塞層、および接続管類の配置は、労働集約的かつ時間がかかり、医療従事者への患者依存性を増加させ、さらに、より高い医療コストにつながる。これらのシステムは、典型的には、有意な保持および点検を要求し、かつ汚染および感染症の拡散のリスクを運ぶ、非使い捨てポンプおよび系統的構成要素を有する。これらのシステムは、より小さい創傷を治療するために使用されることができるが、大きい創傷を治療するために設計され、通常、より小さい創傷を治療するために使用されない。現在のシステムは、その動作のために、電力に依存するため、さらに、患者移動を電気を有する面積に制約する、または電気が利用不可能である場合、限定されたバッテリ電力に依拠する。
Claims (28)
- 患者の治療のためのシステムであって、前記システムは、
a.真空導管、剛性側壁、および縦軸を有する吸引チャンバであって、前記吸引チャンバは、前記真空導管と連通して真空を生成するように構成されている、吸引チャンバと、
b.前記縦軸に沿って前記吸引チャンバの剛性側壁に対して摺動可能にシールするように構成されている外周縁を伴う摺動シールを備える、ピストンアセンブリと、
c.前記吸引チャンバから外への流体の退出を可能にし、前記吸引チャンバの中への流体の進入を阻止するように構成されている第1の一方向弁であって、前記第1の一方向弁は、前記真空導管に沿って位置しない、第1の一方向弁と
を備える、システム。 - 前記第1の一方向弁は、前記ピストンアセンブリ内に位置する、請求項1に記載のシステム。
- 前記第1の一方向弁は、前記吸引チャンバの剛性側壁内に位置する、請求項1に記載のシステム。
- 前記第1の一方向弁は、前記吸引チャンバの遠位肩部に位置する、請求項1に記載のシステム。
- 前記吸引チャンバの中への流体の進入を可能にし、前記吸引チャンバから外への流体の退出を阻止するように構成されている第2の一方向弁をさらに備える、請求項1−4のいずれかに記載のシステム。
- 第2の一方向弁は、前記真空導管に沿って一体的に形成されている、請求項1に記載のシステム。
- 第2の一方向弁は、前記真空導管に取り付けるように構成されているコネクタ内に位置する、請求項1に記載のシステム。
- 前記コネクタは、前記吸引チャンバと接続するように構成されている近位開口部と、遠位開口部とを有し、前記第2の一方向弁は、前記コネクタの近位開口部と遠位開口部との間に位置する、請求項7に記載のシステム。
- 前記第1の一方向弁は、ダックビル弁である、請求項1−8のいずれかに記載のシステム。
- 前記第2の一方向弁は、前記真空導管と連通する前記吸引チャンバ内に位置する、請求項5に記載のシステム。
- 前記第2の一方向弁は、前記真空導管と連通する前記吸引チャンバの外側に位置する、請求項5に記載のシステム。
- 前記第1の一方向弁の開口部にわたって位置する弁フラップをさらに備え、前記弁フラップは、空気の通過を可能にするが、液体または固体の通過を阻止するように構成されている、請求項1−11のいずれかに記載のシステム。
- 前記弁フラップは、前記第1の一方向弁にわたるスタンドオフにわたって配置され、前記スタンドオフは、前記第1の一方向弁の開口部と連通する1つ以上の間隙を備える、請求項12に記載のシステム。
- 前記弁フラップは、前記弁フラップが前記スタンドオフの1つ以上の間隙を遮蔽しない、第1の構成と、前記弁フラップが前記1つ以上の間隙を遮蔽する、第2の構成とを備える、請求項13に記載のシステム。
- 前記第1の一方向弁の開口部を囲繞する内壁と、前記内壁を囲繞する外壁とをさらに備え、前記内壁の高さは、前記外壁の高さとほぼ等しい、または前記外壁の高さを上回る、請求項13−14のいずれかに記載のシステム。
- 前記第1の構成において、前記弁フラップは、前記外壁に接触せず、前記第2の構成において、前記弁フラップは、前記外壁に接触する、請求項15に記載のシステム。
- 前記内壁と前記外壁との間の空間は、チャネルを画定する、請求項15−16のいずれかに記載のシステム。
- 前記弁フラップは、シリコーンから成る、請求項12−17のいずれかに記載のシステム。
- 前記第1および/または第2の弁にわたって位置するフィルタをさらに備える、先行請求項のいずれかに記載のシステム。
- 前記吸引チャンバの遠位壁に連結されている第1の吸収性パッドをさらに備える、先行請求項のいずれかに記載のシステム。
- 前記第1の吸収性パッドは、開口部を備え、前記開口部が前記真空導管と整合されるように、前記吸引チャンバに連結されている、請求項20に記載のシステム。
- 第2の吸収性パッドをさらに備える、請求項21に記載のシステム。
- 前記第2の吸収性パッドは、開口部を備え、前記開口部が前記第1の吸収性パッドの開口部と整合されるように、前記吸引チャンバに連結されている、請求項22に記載のシステム。
- 前記第1の吸収性パッドは、前記第1の吸収性パッドの少なくとも一部が、前記吸収性パッドが少なくとも一部の流体を吸収した後に前記吸引チャンバの遠位壁に連結されたままであるように、前記吸引チャンバに連結されている、請求項20−23のいずれかに記載のシステム。
- 前記第1および第2の吸収性パッドのうちの少なくとも1つを前記吸引チャンバの遠位壁に取り付けるように構成されている拘束具をさらに備える、請求項20−24のいずれかに記載のシステム。
- 前記拘束具はさらに、前記第1および第2のパッドをともに接触させて維持するように構成されている、請求項25に記載のシステム。
- 前記第1および第2の吸収性パッドのうちの少なくとも1つは、超吸収性物質を備える、請求項20−26のいずれかに記載のシステム。
- 前記第1および第2の吸収性パッドのうちの少なくとも1つは、接着剤表面を備える、請求項20−27のいずれかに記載のシステム。
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US201361801626P | 2013-03-15 | 2013-03-15 | |
US61/801,626 | 2013-03-15 | ||
PCT/US2014/029649 WO2014145014A1 (en) | 2013-03-15 | 2014-03-14 | Vacuum cartridge with integrated valve |
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CN105209087A (zh) | 2015-12-30 |
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AU2014233492A1 (en) | 2015-10-29 |
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EP3708197A1 (en) | 2020-09-16 |
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AU2014233492B2 (en) | 2019-04-18 |
US10758648B2 (en) | 2020-09-01 |
AU2019204561A1 (en) | 2019-07-18 |
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