JPH07461A - Patient isolation device - Google Patents
Patient isolation deviceInfo
- Publication number
- JPH07461A JPH07461A JP7918294A JP7918294A JPH07461A JP H07461 A JPH07461 A JP H07461A JP 7918294 A JP7918294 A JP 7918294A JP 7918294 A JP7918294 A JP 7918294A JP H07461 A JPH07461 A JP H07461A
- Authority
- JP
- Japan
- Prior art keywords
- enclosure
- air
- filter
- patient
- opening
- 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.)
- Pending
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 10
- 208000015181 infectious disease Diseases 0.000 claims abstract description 13
- 239000002245 particle Substances 0.000 claims abstract description 13
- 230000002458 infectious effect Effects 0.000 claims abstract description 10
- 238000005086 pumping Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 208000019693 Lung disease Diseases 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 201000008827 tuberculosis Diseases 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G10/00—Treatment rooms or enclosures for medical purposes
- A61G10/005—Isolators, i.e. enclosures generally comprising flexible walls for maintaining a germ-free environment
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は一般に医療用具に関し、
特に伝染性疾患を有する患者又はその疑いのある患者を
隔離するために意図された装置に関する。FIELD OF THE INVENTION This invention relates generally to medical devices,
In particular, it relates to a device intended for isolating a patient having or suspected of having an infectious disease.
【０００２】[0002]
【従来技術及びその課題】病院、特に救急病室における
大きな問題は、医療従事者及び患者が別の患者からの伝
染性疾患に罹患する危険である。救急病室は、一般にベ
ッドの周りの区域を隔離するように考案されたカーテン
を有する解放空間建築様式を持つ。かかるカーテンの主
目的は、患者及び治療者にある程度のプライバシーを提
供することであるが、かかるカーテンは患者を周囲環境
から物理的に隔離する効果はあったとしても非常に小さ
い。BACKGROUND OF THE INVENTION A major problem in hospitals, especially in emergency rooms, is the risk to health care workers and patients of contracting an infectious disease from another patient. Emergency rooms generally have an open space architectural style with curtains designed to isolate the area around the bed. The primary purpose of such curtains is to provide some privacy to the patient and the therapist, but such curtains are very small, if at all, physically separating the patient from the surrounding environment.
【０００３】患者が伝染性疾患、特に結核のような肺疾
患にかかっている場合は、その患者が、医療従事者並び
にその患者のベッドの周囲の別の患者に容易に感染させ
ることが有り得る。When a patient has a contagious disease, especially a lung disease such as tuberculosis, it can easily infect medical personnel as well as other patients around the patient's bed.
【０００４】インヴァイロチャンバー（Enviro-Chambe
r、商品名；メディカル・セーフティ・プロダクツ・イ
ンコーポレーテッド、米国）は、フレームとこのフレー
ム内に下がっている柔軟な被覆体とを有し患者を隔離す
るように意図された囲いであり、これは室内にある種の
空間を形成し、隔離したい患者はその中に入れられる。
この囲いは患者用の入り口を有し、更に濾過ユニットの
設置された小さな開口部を持つ。濾過ユニットはこの開
口部を経て連続的に空気を吸い、この空気はユニット内
部のフィルターを通過し、吸引された空気中の感染性の
粒子はここで濾過される。かかる負圧式の通気システム
は周囲環境内への感染性粒子の解放の危険を減少させ
る。しかし、本発明により、インヴァイロチャンバー
（商品名）のような防護システムの幾つかの大きな問題
のあることが認識された。その一つとして、例えば停電
の場合にポンプの運転が停止したとき、又は囲いを分解
したときに、感染性粒子が開口部を通って周囲環境に解
放されることが有り得る。更に、濾過ユニット内のフィ
ルターは、時間と共に危険なまでに汚染され、これとの
接触より生ずる危険を最小とするための複雑な手順の浄
化段階を行わねばならない。Enviro-Chambe
r, trade name; Medical Safety Products Incorporated, USA) is an enclosure intended to isolate a patient with a frame and a flexible covering hanging within the frame. A patient who wants to create and isolate some kind of space in the room is placed in it.
This enclosure has an entrance for the patient and also a small opening in which the filtration unit is installed. The filtration unit continuously draws air through this opening, which air passes through a filter inside the unit, where the infectious particles in the drawn air are filtered here. Such a negative pressure ventilation system reduces the risk of release of infectious particles into the surrounding environment. However, it has been recognized by the present invention that there are some major problems with protective systems such as the Invitro Chamber. For example, infectious particles may be released through the openings to the surrounding environment when the pump is shut down, for example in the event of a power failure, or when the enclosure is disassembled. In addition, the filters in the filtration unit become dangerously contaminated over time and must undergo a complex procedure of cleaning steps to minimize the risk posed by contact therewith.
【０００５】感染性粒子が周囲環境に達する危険を殆ど
完全に無くす患者隔離用の新規な囲いを提供することが
本発明の目的である。It is an object of the present invention to provide a new enclosure for patient isolation which almost completely eliminates the risk of infectious particles reaching the surrounding environment.
【０００６】本発明のその他の目的は以下の説明より明
らかになるであろう。Other objects of the present invention will become apparent from the following description.
【０００７】[0007]
【本発明の一般説明】本発明は、外部フレーム；フレー
ムから吊るされかつフレーム内で下げられ好ましくは使
捨て式の可撓性の被覆体であって、底部、頂部、２個の
側部、前壁部分及び後壁部分を有し、側部の一方又は前
壁部分に患者の入室を許す閉鎖可能な入り口手段が取り
付けられた被覆体；空気から感染性粒子を濾過除去する
ようにされかつポンプ手段によりフィルター手段を経て
被覆体から空気が引かれるようにポンプ手段と共同作用
するようにされた一体のフィルター手段が取り付けられ
た壁部分の一方の開口部；及び囲いの外側から内側への
一方向の空気の通過を許す弁手段を備えた患者隔離用の
囲いを提供する。GENERAL DESCRIPTION OF THE INVENTION The present invention relates to an outer frame; a flexible covering suspended from the frame and lowered within the frame, preferably a disposable, bottom, top, two sides, A covering having front and rear wall portions, with one or both sides attached to a closable inlet means allowing entry of a patient into the side wall; adapted to filter out infectious particles from the air; and One opening in the wall portion fitted with an integral filter means adapted to cooperate with the pump means such that air is drawn from the coating through the filter means by the pump means; and from outside to inside the enclosure Provided is a patient isolation enclosure with valving means that allows air to pass in one direction.
【０００８】本発明は、更に前記囲い及び前記ポンプ手
段を備えた患者隔離システムを提供する。The present invention further provides a patient isolation system including the enclosure and the pump means.
【０００９】フィルター手段は、フィルター本体、及び
フィルター本体と一体でありかついかなる空気漏洩もこ
れを避ける方法で前記開口部の周囲部分に取り付けられ
た統合手段を備えることが適切である。Suitably, the filter means comprises a filter body and an integral means integral with the filter body and attached to the peripheral portion of said opening in a manner which avoids any air leaks.
【００１０】ポンプ手段は、典型的には、本質的にフィ
ルター手段の寸法と同じ寸法の開口を有するケーシング
を備え、かつこの開口を通して空気を吸うようにされた
ポンプ及び開口と組み合うようにされた前記取付け手段
を備える。The pump means typically comprises a casing having an opening of essentially the same dimensions as the filter means, and is adapted to mate with a pump and opening adapted to draw air through the opening. The above-mentioned attachment means is provided.
【００１１】本発明の囲いは、入り口手段が開かれたと
きの汚染の危険を最小にするために囲いと入り口手段と
の間にエアロック空間を作るように、前記入り口手段に
隣接してエアロックスクリーンを備えることが好まし
い。The enclosure of the present invention has an air-adjacent means adjacent to the entrance means to create an airlock space between the enclosure and the entrance means to minimize the risk of contamination when the entrance means is opened. It is preferable to include a lock screen.
【００１２】弁手段はフラップ弁が適切である。弁手段
は、典型的には、囲いのエアロック空間に沿った部分に
設置され、これによりこの空間は新鮮かつ清浄な空気で
連続的かつ効果的に通気される。A flap valve is suitable as the valve means. The valve means is typically located in a portion of the enclosure along the airlock space so that the space is continuously and effectively vented with fresh and clean air.
【００１３】本発明は付属図面を適切に参照しつつ特別
な非限定的な実施例の説明により以下説明されるであろ
う。The present invention will now be described by a description of particular non-limiting embodiments, with appropriate reference to the accompanying drawings.
【００１４】[0014]
【実施例】フレーム１２、及び柔軟で好ましくはポリエ
チレン又はポリプロピレンのような透明なプラスチック
材料で作られた可撓性被覆体１４を有し一般に１０で示
された囲いを示す図１をまず参照する。被覆体１４は、
底部１６、頂部１８、左側部２０と右側部２２、前壁部
分２４及び後壁部分２６を持つ。可撓性被覆体１４は多
数の固定用の紐２８の手段によりフレーム１２に固定さ
れる。被覆体１４は普通は使捨てである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Reference is first made to FIG. 1 which shows a frame 12 and a flexible jacket 14 which is flexible and is preferably made of a transparent plastic material such as polyethylene or polypropylene and which has an enclosure generally designated 10. . The covering 14 is
It has a bottom 16, a top 18, a left side 20 and a right side 22, a front wall portion 24 and a rear wall portion 26. The flexible covering 14 is fixed to the frame 12 by means of a number of fixing cords 28. The covering 14 is usually discarded.
【００１５】被覆体は、患者のベッド３０を入れるに十
分な長さ、及びベッド側部の空間が医療器具を置くこと
ができ、医療従事者の作業空間を許す、等に十分な幅の
直方体の空間を定める。The cover is a rectangular parallelepiped having a sufficient length for accommodating the patient's bed 30 and a sufficient space for the side of the bed to accommodate a medical instrument, allowing a working space for medical personnel. Determine the space of.
【００１６】前壁２４はジッパー３４の手段により閉鎖
できる入り口３２を持つ。この入り口は、患者及び患者
のベッドが入るに十分な広さである。前壁２４にはフラ
ップ弁３６も取り付けられ、この弁は開口部３８を通り
囲いの外側から内側への本質的に一方向の空気の通過を
許す。The front wall 24 has an inlet 32 which can be closed by means of a zipper 34. This entrance is large enough to accommodate the patient and the patient's bed. A flap valve 36 is also attached to the front wall 24, which allows air to pass through the opening 38 in essentially one direction from the outside to the inside of the enclosure.
【００１７】前壁３２に接近してエアロックスクリーン
４０が下げられ、これが、例えば医療従事者が囲いに入
るときの汚染の危険を最小にするように、入り口と囲い
の患者ベッドを含んだ部分との間の幾分かの隔離を与え
るエアロック空間４１を定める。Near the front wall 32, the airlock screen 40 is lowered, which includes the entrance and the patient bed of the enclosure so as to minimize the risk of contamination when, for example, medical personnel enter the enclosure. An airlock space 41 is provided which provides some isolation between
【００１８】被覆体の左壁部分２０は、医療従事者が囲
いに入る必要なく患者に何かの処置を与えるようにスリ
ーブ４４が取り付けられたサービス開口４２を持つ。The left wall portion 20 of the cover has a service opening 42 with a sleeve 44 attached to it to provide some treatment to the patient without the need for the medical personnel to enter the enclosure.
【００１９】右壁部分２２の後下方の端部には、支持棒
５２の手段によりフレーム上に支持されたフィルター手
段４８とポンプ手段５０とが取り付けられる開口部４６
がある。更に、開口部、フィルター手段及びポンプ手段
をより詳細な長手方向断面図で示した図２も参照する。At the rear lower end of the right wall portion 22 is an opening 46 into which a filter means 48 and a pump means 50 supported on the frame by means of support rods 52 are mounted.
There is. Reference is also made to FIG. 2 which shows the openings, filter means and pump means in more detail in longitudinal section.
【００２０】図２に見られるように、フィルター手段４
８は、３μmより大きな粒子の約９９.９７％を濾過除去
し得る高効率のフィルター本体、典型的にはＨ.Ｅ.Ｐ.
Ａ．タイプのフィルターで構成される。フィルター手段
は更に枠５４を有し、この枠は、典型的にはポリエチレ
ン又は同等品で作られかつフィルター本体と一体化さ
れ、更に開口部４６を囲んでいるシート部分に溶接され
フィルター本体の周囲からのいかなる空気漏洩も防いで
いる。従って、空気はフィルター本体５２を通ってのみ
通過可能である。As can be seen in FIG. 2, the filter means 4
8 is a highly efficient filter body capable of filtering out about 99.97% of particles larger than 3 μm, typically HEP.
A. Composed of types of filters. The filter means further comprises a frame 54 which is typically made of polyethylene or the like and which is integral with the filter body and which is welded to the seat part surrounding the opening 46 and around the filter body. It prevents any air leaks from the. Therefore, air can only pass through the filter body 52.
【００２１】枠５４はポンプ手段６０の周壁部分５８を
受け入れるようにされた受け口５６を定める。ポンプ手
段６０は、正面開口側のある一般に開口した箱の形を有
し、吸気型のポンプ、典型的には、モーター６４により
駆動されかつ空気出口６５を有する遠心ポンプ６２が取
り付けられる。ポンプは電線６６より電力を受け入れ、
開閉スイッチ６８と指示灯７０とを持つ。The frame 54 defines a receptacle 56 adapted to receive the peripheral wall portion 58 of the pump means 60. The pumping means 60 has the shape of a generally open box with a front opening side and is fitted with a suction pump, typically a centrifugal pump 62 driven by a motor 64 and having an air outlet 65. The pump receives power from wire 66,
It has an open / close switch 68 and an indicator light 70.
【００２２】ポンプは、フィルター本体５２による空気
流への抵抗にもかかわらず比較的大流量、例えば毎分約
２.２７m3（約８０ft3）で空気を吸い込むようにすべき
である（上記の仕様を有しかつ２０３.２mm×２０３.２
mm×７６.２mm（８インチ×８インチ×３インチ）の大
きさを有するフィルター本体による空気流抵抗は、約２
５０パスカルである）。毎分約２.２７m3（約８０ft3）
の空気流量は、感染性粒子、例えば細菌又は患者により
吐き出されヴィールス又は細菌等を含んだ気質粒子が囲
いのその他の開口部を通って逃げ出す機会を本質的にゼ
ロにするであろう。The pump should be capable of drawing air at a relatively high flow rate, eg, about 2.27 m 3 / min (about 80 ft 3 ), despite resistance to air flow by the filter body 52 (see above). Has specifications and 203.2mm x 203.2
The air flow resistance of the filter body having a size of 8 mm x 76.2 mm (8 inches x 8 inches x 3 inches) is about 2
50 pascals). About 2.27m 3 (about 80ft 3 ) per minute
The air flow rate of will result in essentially zero chances of infectious particles, such as bacteria or airborne particles exhaled by the patient and containing viruses or bacteria etc., escaping through other openings in the enclosure.
【００２３】フィルターは、事実上、囲いと一体の構成
要素であるため、停電の場合のようなポンプが停止した
とき又は囲いを分解したときに感染性粒子が環境内に逃
げ出す危険は非常に小さく無視できる。被覆体は使捨て
であるので、フィルターはこれと共に廃棄され、このた
めの何らかの特別な浄化処置は不必要である。Since the filter is, in effect, an integral part of the enclosure, the risk of infectious particles escaping into the environment is very small when the pump is stopped or the enclosure is disassembled, such as in the case of a power outage. Can be ignored. Since the coating is abandoned, the filter is discarded with it and no special cleaning procedure for this is necessary.
【００２４】本発明の実施態様は次の通りである。The embodiment of the present invention is as follows.
【００２５】１．外部フレーム；フレームから吊るされ
かつフレーム内で下げられた柔軟な被覆体であって、底
部、頂部、２個の側部、前壁部分及び後壁部分を有し、
側部の一方又は前壁部分に患者の入室を許す閉鎖可能な
入り口手段が取り付けられた被覆体；空気から感染性粒
子を濾過除去するようにされかつポンプ手段によりフィ
ルター手段を経て囲いから空気を吸い出し囲いの内部に
負圧を作るようにポンプ手段と共同作用するようにされ
た一体式のフィルター手段が取り付けられた一つの壁部
分の開口部；及び囲いの外側から内側への一方向の空気
の通過を許す弁手段を備えた患者隔離用の囲い。1. External frame; a flexible covering suspended from the frame and suspended within the frame, having a bottom, a top, two sides, a front wall portion and a rear wall portion,
A cover fitted with closable inlet means on one or the side of the side to allow the patient to enter the chamber; adapted to filter infectious particles from the air and pumping the air from the enclosure through the filter means An opening in one wall section fitted with an integral filter means adapted to cooperate with pump means to create a negative pressure inside the suction enclosure; and unidirectional air from outside to inside the enclosure A patient isolation enclosure with valve means to allow passage of.
【００２６】２．前記フィルター手段が、フィルター本
体、及びフィルター本体と一体でありかついかなる空気
漏洩も避ける方法で前記開口部の周囲部分に取り付けら
れた統合手段を備える実施態様１による囲い。2. Enclosure according to embodiment 1, wherein the filter means comprises a filter body and an integrating means integral with the filter body and attached to the peripheral part of the opening in a manner avoiding any air leakage.
【００２７】３．ポンプ手段は、本質的にフィルター手
段の寸法の開口を有するケーシングを有し、かつこの開
口を通して空気を吸うようにされたポンプを備え、更に
前記統合手段が前記開口と組み合うようにされた前記取
付け手段を備える実施態様２による囲い。3. The pumping means comprises a casing having an opening essentially the size of the filter means, and comprises a pump adapted to suck air through the opening, wherein the integrating means is adapted to mate with the opening. Enclosure according to embodiment 2 comprising means.
【００２８】４．入り口手段が開かれたときの汚染の危
険を最小にするために入り口手段との間にエアロック空
間を作るようにされた前記入り口手段に隣接のエアロッ
クスクリーンを備えた先行実施態様のいずれかによる囲
い。4. Any of the previous embodiments comprising an airlock screen adjacent to said entrance means adapted to create an airlock space between said entrance means to minimize the risk of contamination when the entrance means is opened. By the fence.
【００２９】５．弁手段が被覆体のエアロック空間に沿
った部分に設置される実施態様４による囲い。5. Enclosure according to embodiment 4, in which the valve means are installed in the portion of the cover along the airlock space.
【００３０】６．弁手段がフラップ弁である先行実施態
様のいずれかによる囲い。6. Enclosure according to any of the previous embodiments wherein the valve means is a flap valve.
【００３１】７．フィルター手段が約３μmより大きな
粒子を濾過除去するようにされた先行実施態様のいずれ
かによる囲い。7. Enclosure according to any of the previous embodiments, wherein the filter means is adapted to filter out particles larger than about 3 μm.
【００３２】８．先行実施態様のいずれかによる囲い及
び前記フィルター手段を通じて空気を吸引し囲いの内部
に負圧を作るようにされたポンプ手段を備えた患者隔離
システム。8. A patient isolation system comprising an enclosure according to any of the preceding embodiments and pump means adapted to draw air through said filter means to create a negative pressure inside the enclosure.
【００３３】９．ポンプ手段が囲いのフレームに支持さ
れる実施態様８によるシステム。9. The system according to embodiment 8, wherein the pump means are supported on the frame of the enclosure.
【図１】本発明による囲いの斜視図を示す。FIG. 1 shows a perspective view of an enclosure according to the invention.
【図２】図２の線２−２に沿ってフィルター手段及び組
み合わせられたポンプユニットを通る断面図を示す。2 shows a sectional view through the filter means and associated pump unit along line 2-2 in FIG.
１０ 囲い １２ フレーム １４ 被覆体 １６ 底部 １８ 頂部 ２０ 左側部 ２２ 右側部 ３２ 入り口 ４８ フイルター手段 ５０ ポンプ手段 10 Enclosure 12 Frame 14 Cover 16 Bottom 18 Top 20 Left Side 22 Right Side 32 Inlet 48 Filter Means 50 Pump Means
Claims (2)
つフレーム内で下げられた柔軟な被覆体であって、底
部、頂部、２個の側部、前壁部分及び後壁部分を有し、
側部の一方又は前壁部分に患者の入室を許す閉鎖可能な
入り口手段が取り付けられた被覆体；空気から感染性粒
子を濾過除去するようにされかつポンプ手段によりフィ
ルター手段を経て囲いから空気を吸い出し囲いの内部に
負圧を作るようにポンプ手段と共同作用するようにされ
た一体式のフィルター手段が取り付けられた一つの壁部
分の開口部；及び囲いの外側から内側への一方向の空気
の通過を許す弁手段を備えた患者隔離用の囲い。1. An outer frame; a flexible covering suspended from and suspended within the frame, the base having a bottom, a top, two sides, a front wall portion and a rear wall portion,
A cover fitted with closable inlet means on one or the side of the side to allow the patient to enter the chamber; adapted to filter infectious particles from the air and pumping the air from the enclosure through the filter means An opening in one wall section fitted with an integral filter means adapted to cooperate with pump means to create a negative pressure inside the suction enclosure; and unidirectional air from outside to inside the enclosure A patient isolation enclosure with valve means to allow passage of.
段を通じて空気を吸引し囲いの内部に負圧を作るように
されたポンプ手段を備えた患者隔離システム。2. A patient isolation system comprising an enclosure according to claim 1 and pump means adapted to draw air through said filter means to create a negative pressure inside the enclosure.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL10523093 | 1993-03-31 | ||
| IL105230 | 1993-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07461A true JPH07461A (en) | 1995-01-06 |
Family
ID=11064677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7918294A Pending JPH07461A (en) | 1993-03-31 | 1994-03-28 | Patient isolation device |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0619108A1 (en) |
| JP (1) | JPH07461A (en) |
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| US6966937B2 (en) | 2002-10-22 | 2005-11-22 | Sanki Engineering Co., Ltd. | Patient isolation unit |
| JP2006015108A (en) * | 2004-07-02 | 2006-01-19 | Kozo Kojima | Portable built-up oxygen room |
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| US3345996A (en) * | 1965-10-21 | 1967-10-10 | Chemetron Corp | Portable isolation roomette |
| FR2133344A5 (en) * | 1971-04-16 | 1972-11-24 | Calhene | |
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| US4934396A (en) * | 1988-12-08 | 1990-06-19 | Vitta Trust, C/O Michael F. Vitta, Trustee | Disposable/portable decontamination unit |
| US5074894A (en) * | 1991-02-01 | 1991-12-24 | Component Systems, Inc. | Apparatus for isolating contagious respiratory hospital patients |
| US5074897A (en) * | 1991-03-25 | 1991-12-24 | Sikich Albert H | Particulate contamination control system enclosure |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP0619108A1 (en) | 1994-10-12 |
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