JP2002301158A - Oxygen condensing device - Google Patents
Oxygen condensing deviceInfo
- Publication number
- JP2002301158A JP2002301158A JP2001109740A JP2001109740A JP2002301158A JP 2002301158 A JP2002301158 A JP 2002301158A JP 2001109740 A JP2001109740 A JP 2001109740A JP 2001109740 A JP2001109740 A JP 2001109740A JP 2002301158 A JP2002301158 A JP 2002301158A
- Authority
- JP
- Japan
- Prior art keywords
- oxygen
- humidifier
- gas
- outlet
- outlet pipe
- 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
Landscapes
- Air Humidification (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、空気中の酸素を分
離し加湿して使用者に供給する酸素濃縮装置に関する。
更に詳細には、乾燥状態の濃縮酸素を加湿する加湿器を
使用者が着脱する酸素濃縮装置に関するものであり、加
湿器内の圧力が上昇した場合でも特段の固定具を必要と
せず、使用者の作業負荷を軽減した装置に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oxygen concentrator for separating oxygen in air, humidifying the oxygen, and supplying the humidified air to a user.
More specifically, the present invention relates to an oxygen concentrator in which a user attaches and detaches a humidifier for humidifying dry concentrated oxygen. The present invention relates to a device that reduces the work load of the system.
【０００２】[0002]
【従来の技術】従来、肺結核後遺症や肺高血圧症などの
慢性呼吸器疾患患者に対して、酸素ボンベや圧力変動吸
着型酸素濃縮装置から発生する酸素を吸入させる酸素吸
入療法が行なわれている。このような酸素或いは酸素富
化空気は略絶乾状態のガスであり、そのままの状態で長
時間吸入すると使用環境によっては鼻腔内が乾燥し、患
者に不快感を与える他、疾患自体の悪化に繋がる可能性
もある。従って通常、患者は加湿器を用いて飽和水蒸気
圧近くまで加湿した酸素ガスを吸入している。2. Description of the Related Art Conventionally, oxygen inhalation therapy for inhaling oxygen generated from an oxygen cylinder or a pressure fluctuation adsorption type oxygen concentrator for patients with chronic respiratory diseases such as sequelae of pulmonary tuberculosis and pulmonary hypertension has been performed. Such oxygen or oxygen-enriched air is a gas in a substantially dry state, and if inhaled for a long time as it is, the nasal cavity will dry out depending on the use environment, causing discomfort to the patient and deteriorating the disease itself. There is also a possibility of being connected. Therefore, usually, the patient inhales the humidified oxygen gas to near the saturated water vapor pressure using the humidifier.
【０００３】かかる加湿器として、乾燥した酸素ガスを
加湿器内の水中を潜らせるバブリング型加湿器や、加湿
器の水表面からの蒸発水蒸気のみで加湿する蒸発型加湿
器などが一般に用いられている。このような加湿器は内
部に水を充填している為に使用に際しては、使用条件に
より異なるが２、３日乃至1週間毎に水の交換、補給を
する必要があり、このために酸素濃縮装置に対して加湿
器を取り外し、内部を洗浄し、水を補給した後再度装着
するという着脱動作を必要とする。[0003] As such a humidifier, a bubbling type humidifier in which dried oxygen gas is immersed in water in the humidifier, an evaporative humidifier in which only the water vapor from the water surface of the humidifier humidifies, etc. are generally used. I have. Since such a humidifier is filled with water, it needs to be replaced or replenished every few days or one week, depending on the conditions of use. It is necessary to remove the humidifier from the device, clean the inside, supply water, and then reattach the device.
【０００４】[0004]
【発明が解決しようとする課題】従来の酸素濃縮装置に
用いられる加湿手段は、乾燥気体の導入口と加湿気体の
導出口を備えた蓋部分と加湿用水を入れる受器部分およ
びそのシール用部材、更には酸素濃縮装置と加湿器の接
合部状態を維持するための固定手段から構成されてい
る。The humidifying means used in the conventional oxygen concentrator includes a lid portion having an inlet for the dry gas and an outlet for the humidified gas, a receiver portion for containing the humidifying water, and a sealing member therefor. And a fixing means for maintaining the joint state between the oxygen concentrator and the humidifier.
【０００５】加湿手段の容器内は供給する酸素ガスの流
量維持が必要でありシール性が要求され、また流路抵抗
に伴い内圧が上昇した場合には加湿器が酸素濃縮装置よ
り脱落するのを防止する必要があり、特開平６−２３８
００２号公報、特開平７−１６５４０２号公報記載のよ
うな接続部にカプラーを用いて接続するものや、特開平
５−１５４２００号公報に記載のようにガイド部に固定
手段を備えるものが使用されている。In the container of the humidifying means, it is necessary to maintain the flow rate of the supplied oxygen gas, and a sealing property is required. When the internal pressure increases due to the flow path resistance, it is necessary to prevent the humidifier from dropping off from the oxygen concentrator. It is necessary to prevent such a problem.
No. 002, Japanese Unexamined Patent Application Publication No. 7-165402, a device that uses a coupler to connect to a connection portion, and a Japanese Patent Application Laid-Open No. 5-154200, which includes a guide portion with a fixing means, are used. ing.
【０００６】これらの装置においては、固定手段を使用
してその状態を維持する為には、固定手段が有効に作用
する位置までの挿入と固定力が必要であり、特に高齢者
などの力が衰えた患者にとっては、挿入することと同時
に固定手段を有効に作用させる、または、解除するその
操作が困難であり、装着が不完全な為に酸素濃縮装置の
加湿器接合部で酸素洩れが発生するという問題がある。[0006] In these devices, in order to maintain the state by using the fixing means, it is necessary to insert the fixing means to a position where the fixing means works effectively and to fix the force. For declining patients, it is difficult to activate or release the securing means at the same time as the insertion, and oxygen leakage occurs at the humidifier junction of the oxygen concentrator due to incomplete installation. There is a problem of doing.
【０００７】本発明は、かかる問題点を解消するもので
あり、固定状態維持するための特別な手段を必要とせ
ず、酸素濃縮装置に付設された導入管および導出管に加
湿手段の導入口および導出口を挿入するのみで安定した
状態維持を可能にする加湿器を備えた酸素濃縮装置を提
供するものである。The present invention solves such a problem, and does not require any special means for maintaining a fixed state. The introduction pipe of the humidifying means and the introduction pipe of the humidification means provided in the oxygen concentrator are provided. It is an object of the present invention to provide an oxygen concentrator provided with a humidifier capable of maintaining a stable state only by inserting an outlet.
【０００８】[0008]
【課題を解決するための手段】かかる課題に対して、鋭
意検討した結果、以下の酸素濃縮手段側からの酸素濃縮
ガスの吹出し方向が従来の加湿器では装着方向と一致し
ていたものを、吹出し方向と加湿器の装着方向を直交さ
せる接合方法を見出した。Means for Solving the Problems As a result of diligent studies on such a problem, the following blowout direction of the oxygen-enriched gas from the oxygen-enrichment means side coincides with the mounting direction in the conventional humidifier. We found a joining method that makes the blowout direction orthogonal to the mounting direction of the humidifier.
【０００９】即ち本発明は、空気から酸素を分離する酸
素濃縮手段を備え、該酸素濃縮手段で分離された酸素濃
縮ガスを加湿する着脱可能な加湿手段、加湿した酸素濃
縮ガスを使用者に供給する酸素供給手段を備えた酸素濃
縮装置において、該加湿手段におけるガス接続部が、酸
素濃縮手段からの酸素濃縮ガスの導出管、加湿酸素濃縮
ガスの導入管及びそれらに嵌合する加湿器側受容部より
なり、該導出管のガス吹出口の酸素濃縮ガス吹出し方向
が、該導出管に対する加湿手段の装着方向と直交するこ
とを特徴とする酸素濃縮装置を提供するものである。That is, the present invention comprises oxygen concentrating means for separating oxygen from air, detachable humidifying means for humidifying the oxygen concentrated gas separated by the oxygen concentrating means, and supplying the humidified oxygen concentrated gas to the user. In the oxygen concentrating apparatus provided with the oxygen supplying means, the gas connecting portion of the humidifying means has a pipe for leading out the oxygen-enriched gas from the oxygen concentrating means, a pipe for introducing the humidified oxygen-enriched gas, and a humidifier side fitting fitted thereto. The oxygen concentrating apparatus is characterized in that the direction of blowing out the oxygen-enriched gas at the gas outlet of the outlet pipe is orthogonal to the direction in which the humidifying means is attached to the outlet pipe.
【００１０】また本発明は、かかる導出管及び導入管の
ガス吹出口の管外周部に溝を有することを特徴とする酸
素濃縮装置であり、特に該導出管及び導入管と加湿手段
とのシール手段が、導出管及び導入管のガス吹出口の上
下２箇所にあることを特徴とする酸素濃縮装置を提供す
るものである。The present invention also relates to an oxygen concentrator characterized in that the outlet pipe and the inlet pipe have a groove on the outer periphery of the gas outlet, and in particular, a seal between the outlet pipe and the inlet pipe and the humidifying means. The present invention provides an oxygen concentrator characterized in that means are provided at two places above and below a gas outlet of an outlet pipe and an inlet pipe.
【００１１】[0011]
【発明の実施の形態】本発明の酸素濃縮装置は、酸素濃
縮手段により空気中から酸素を分離し、加湿器で加湿し
た後、加湿酸素を使用者に供給する装置であり、濃縮器
側に乾燥した酸素濃縮ガスの導出管、加湿気体の導入管
を備え、各導管に対応する受容部が加湿器側に備える。DESCRIPTION OF THE PREFERRED EMBODIMENTS An oxygen concentrator according to the present invention is an apparatus for separating oxygen from the air by oxygen concentrating means, humidifying the humidifier, and supplying humidified oxygen to a user. An outlet tube for the dried oxygen-enriched gas and an inlet tube for the humidified gas are provided, and receiving portions corresponding to the respective conduits are provided on the humidifier side.
【００１２】接合手段である導入管および導出管のうち
少なくとも導出管には、該加湿手段を装着する方向と直
交したガス吹出口を有する。導入管および導出管の形状
としては、特段の固定手段を不要とするために、加湿器
の挿入方向と導入管ならびに導出管の吹出し方向を軸方
向に対してわずかに変位させることが考えられるが、安
定した固定状態を維持する上で本願の直交方式が適当で
ある。また、導入管および導出管については、それぞれ
が独立したノズルであっても、複合された１本のノズル
でも良い。[0012] At least the outlet pipe of the inlet pipe and outlet pipe serving as the joining means has a gas outlet orthogonal to the direction in which the humidifying means is mounted. As the shape of the inlet pipe and the outlet pipe, it is conceivable that the insertion direction of the humidifier and the outlet direction of the inlet pipe and the outlet pipe are slightly displaced with respect to the axial direction in order to eliminate special fixing means. In order to maintain a stable fixed state, the orthogonal system of the present application is appropriate. Further, each of the inlet pipe and the outlet pipe may be an independent nozzle or a single combined nozzle.
【００１３】またガス吹出口を含み、導入管および導出
管の周方向には酸素ガス用の流路溝を有することによ
り、加湿器装着時の装着方向のズレに対しても流路溝が
存在することにより流動抵抗発生の緩衝、吹出方向の補
正をすることが可能となる。従って導管側に流路溝を設
ける他、加湿器側に同様の構造を設けることも可能であ
る。[0013] Further, by including a gas outlet and having a flow groove for oxygen gas in the circumferential direction of the introduction pipe and the discharge pipe, the flow groove is present even when the mounting direction is displaced when the humidifier is mounted. By doing so, it becomes possible to buffer the flow resistance and to correct the blowing direction. Therefore, in addition to providing the flow channel on the conduit side, it is also possible to provide a similar structure on the humidifier side.
【００１４】その開放口および流路溝の上下の２箇所に
導入管および導出管の全周にわたって連続したシール手
段を有する。少なくとも導入管および導出管の先端側に
は導入管および導出管に対して薄く立ち上がったリップ
部分を備えたシール構造とし、かかるリップ部分の末端
が、酸素濃縮ガスと外気との間で高圧側方向に傾斜した
形状であることを特徴とするものが好ましい。At two locations above and below the opening and the flow channel, sealing means are provided continuously over the entire circumference of the inlet pipe and outlet pipe. At least the leading end side of the inlet pipe and the outlet pipe has a seal structure having a lip portion that rises thinly with respect to the inlet pipe and the outlet pipe, and the end of the lip portion is located between the oxygen-enriched gas and the outside air in the high-pressure side. It is preferable that the shape is a shape inclined at an angle.
【００１５】かかるシール部分は、開放口の上下２箇所
をリップ付のパッキンにすること、あるいは、双方とも
Ｏリングにすることも考えられるが、加湿器を導入管お
よび導出管に挿入する場合の装着作業の容易さから、本
願の組合せが適当である。またかかるシール手段に用い
る材料は、反発弾性が優れ、圧縮永久ひずみの発生し難
いゴム材質が好ましく、具体的材料としてはシリコンゴ
ム、天然ゴム、ブタジエンゴム等が好ましい。In the case of such a seal portion, it is conceivable that the upper and lower two portions of the opening are formed with lip-sealed packing or that both are formed as O-rings. The combination of the present application is appropriate because of the ease of mounting work. The material used for the sealing means is preferably a rubber material having excellent rebound resilience and hardly causing compression set, and specific materials such as silicon rubber, natural rubber, and butadiene rubber are preferable.
【００１６】加湿器の導管受容部である加湿器蓋の導入
口および導出口は、貫通した孔を有するものが好まし
く、これにより、濃縮装置の導入管および導出管の挿入
位置の適性さを確認するのに有効である。It is preferable that the inlet and outlet of the humidifier lid, which is the conduit receiving portion of the humidifier, have through holes, thereby confirming the appropriateness of the insertion position of the inlet and outlet of the concentrator. It is effective to do.
【００１７】本発明の加湿器は、好ましくは医療用に用
いるものであり、特に酸素吸入療法に用いる医療用酸素
濃縮装置の酸素ガスを加湿する場合に用いることができ
る。The humidifier of the present invention is preferably used for medical use, and can be used particularly for humidifying oxygen gas of a medical oxygen concentrator used for oxygen inhalation therapy.
【００１８】[0018]
【実施例】本発明の実施例である酸素濃縮装置および加
湿器を、図面を用いて更に詳細に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The oxygen concentrator and the humidifier according to the embodiments of the present invention will be described in more detail with reference to the drawings.
【００１９】本発明の好ましい酸素濃縮器の導入管、導
出管部および加湿器は図１〜３に示す構成をとる。かか
る導入管導出管および加湿器は、圧力変動吸着型酸素濃
縮装置に取付けることが可能な加湿器であり、図１はか
かる加湿器部分を上方から見た図である。図２は、かか
る加湿器部分を図１の２点鎖線部で切断した場合の断面
図である。また、図３は、かかる加湿器部分の正面図で
ある。The inlet pipe, outlet pipe section and humidifier of the preferred oxygen concentrator of the present invention have the construction shown in FIGS. Such an inlet pipe outlet pipe and humidifier are humidifiers that can be attached to the pressure fluctuation adsorption type oxygen concentrator, and FIG. 1 is a view of the humidifier part as viewed from above. FIG. 2 is a cross-sectional view when the humidifier is cut along a two-dot chain line in FIG. FIG. 3 is a front view of the humidifier.
【００２０】加湿するガスは、導入手段１より流入し、
受器手段５内に充填された加湿水８の上面を通過し、蒸
発水分で加湿した後、導出手段２から流出する。導入手
段１、および、導出手段２と受器手段５が、その間に設
けられたシール手段６、および、シール手段７で完全に
密閉されており、かつ、受け器手段５受器手段５と蓋手
段３が、その間に設けられたシール手段４で完全に密閉
されていれば、両者の空隙部からの気体漏れはなく使用
可能である。The gas to be humidified flows in from the introduction means 1,
After passing through the upper surface of the humidified water 8 filled in the receiver 5 and humidified by the evaporated water, it flows out of the outlet 2. The introducing means 1, the deriving means 2 and the receiving means 5 are completely sealed by a sealing means 6 and a sealing means 7 provided therebetween, and the receiving means 5 and the receiving means 5 If the means 3 is completely sealed by the sealing means 4 provided therebetween, there is no gas leakage from the gap between the two, and the apparatus can be used.
【００２１】導入手段１、および、導出手段２は金属製
で、その形状は円筒状で、外径１０ｍｍ、内径３ｍｍで
あり、内部のガス流通部は、開放部で円筒軸に対して直
角方向に屈折させている。かかる導入管１、および、導
出管２を用いることにより、加湿手段の装着した後に該
加湿手段内の圧力が上昇した場合に生じる加湿器の変位
方向を直交とすることができた。従来の導入管１および
導出管２は円筒軸に並行する、貫通した流通孔であり、
内圧上昇時の固定状態維持のために、装着状態を維持す
るための特別な固定手段を必要としていたが、本発明の
導入管、および、導出管、ならびに蓋手段３を用いるこ
とにより、内圧が例えば０．０１Mpaまで上昇した場合
でも特別な固定手段を用いることなく、安定な位置を維
持することが出来た。The introduction means 1 and the derivation means 2 are made of metal and have a cylindrical shape with an outer diameter of 10 mm and an inner diameter of 3 mm. Is refracted. By using the inlet pipe 1 and the outlet pipe 2, the displacement direction of the humidifier generated when the pressure in the humidifier increases after the humidifier is mounted can be made orthogonal. The conventional inlet tube 1 and outlet tube 2 are through-flow holes parallel to the cylindrical axis,
In order to maintain the fixed state when the internal pressure rises, special fixing means for maintaining the mounted state was required. However, by using the inlet pipe, the outlet pipe, and the lid means 3 of the present invention, the internal pressure was reduced. For example, even when the pressure rose to 0.01 MPa, a stable position could be maintained without using any special fixing means.
【００２２】更に、導入管１と導出管２の軸に直角方向
にある開放口を含み溝を有することにより、該導入管１
と導出管２の取り付け方向の制限をなくし、組立時の位
置合せは不要となり、３６０度任意の方向での固定を可
能とした。Further, by having a groove including an opening which is perpendicular to the axis of the inlet pipe 1 and the outlet pipe 2, the inlet pipe 1
This eliminates the restriction on the mounting direction of the outlet pipe 2 and eliminates the need for alignment at the time of assembling, thereby enabling fixing in any direction of 360 degrees.
【００２３】[0023]
【発明の効果】本発明の酸素濃縮装置と加湿器の組合せ
は、加湿器の酸素濃縮器への取り付け操作における固定
状態を維持するための特別な機構を作動、解除する操作
を排除すること、また、外部から適正に装着されている
ことが容易に堪忍できることを可能とした。これによ
り、指先の細かな自由が利かずとも容易に接続状態を安
定にせしめ、装着の異常状態を容易に確認することがで
き、該酸素濃縮器と加湿器の接合部での装着異常による
洩れを抑制することができる。The combination of the oxygen concentrator and the humidifier according to the present invention eliminates the operation of operating and releasing a special mechanism for maintaining a fixed state in the operation of attaching the humidifier to the oxygen concentrator; In addition, it has become possible to easily endure proper mounting from the outside. This makes it possible to easily stabilize the connection state even if the fingertips do not have fine freedom, and to easily check the abnormal state of mounting, and to prevent leakage due to abnormal mounting at the junction between the oxygen concentrator and the humidifier. Can be suppressed.
【図１】本発明の酸素濃縮装置に使用する加湿器の上面
図。FIG. 1 is a top view of a humidifier used in the oxygen concentrator according to the present invention.
【図２】本発明の酸素濃縮装置に使用する加湿器の断面
図。FIG. 2 is a sectional view of a humidifier used in the oxygen concentrator according to the present invention.
【図３】本発明に好適な実施例である加湿器の正面図。FIG. 3 is a front view of a humidifier according to a preferred embodiment of the present invention.
１．乾燥気体の導入管 ２．加湿気体の導出管 ３．蓋手段 ４．シール手段（受器と蓋） ５．受器手段 ６．シール手段 ７．シール手段（Ｏリング） ８．加湿用水 1. 1. Dry gas inlet tube 2. Outlet pipe for humidified gas Lid means 4. 4. Sealing means (receiver and lid) Receiver means 6. Sealing means 7. 7. Sealing means (O-ring) Humidification water
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 3L055 AA10 BA10 BB03 DA02 DA14 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3L055 AA10 BA10 BB03 DA02 DA14
Claims (3)
備え、該酸素濃縮手段で分離された酸素濃縮ガスを加湿
する着脱可能な加湿手段、加湿した酸素濃縮ガスを使用
者に供給する酸素供給手段を備えた酸素濃縮装置におい
て、該加湿手段におけるガス接続部が、酸素濃縮手段か
らの酸素濃縮ガスの導出管、加湿酸素濃縮ガスの導入管
及びそれらに嵌合する加湿器側受容部よりなり、該導出
管のガス吹出口の酸素濃縮ガス吹出し方向が、該導出管
に対する加湿手段の装着方向と直交することを特徴とす
る酸素濃縮装置。1. An oxygen concentrating means for separating oxygen from air, a detachable humidifying means for humidifying the oxygen-enriched gas separated by the oxygen concentrating means, and an oxygen supply for supplying the humidified oxygen-enriched gas to a user In the oxygen concentrating apparatus provided with the means, the gas connection part in the humidifying means comprises an outlet pipe for the oxygen-enriched gas from the oxygen concentrating means, an inlet pipe for the humidified oxygen-enriched gas, and a humidifier-side receiving part fitted thereto. An oxygen concentrator characterized in that an oxygen-concentrated gas blowing direction of a gas outlet of the outlet pipe is orthogonal to a mounting direction of a humidifying means to the outlet pipe.
周部に溝を有することを特徴とする請求項１記載の酸素
濃縮装置。2. The oxygen concentrator according to claim 1, wherein a groove is provided in the outer periphery of the gas outlet of the outlet pipe and the inlet pipe.
ル手段が、導出管及び導入管のガス吹出口の上下２箇所
にあることを特徴とする請求項１、２記載の酸素濃縮装
置。3. An oxygen concentrator according to claim 1, wherein said outlet pipe and said inlet pipe and said humidifying means are provided at two locations above and below a gas outlet of said outlet pipe and said inlet pipe. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001109740A JP4612217B2 (en) | 2001-04-09 | 2001-04-09 | Oxygen concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001109740A JP4612217B2 (en) | 2001-04-09 | 2001-04-09 | Oxygen concentrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002301158A true JP2002301158A (en) | 2002-10-15 |
| JP4612217B2 JP4612217B2 (en) | 2011-01-12 |
Family
ID=18961640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001109740A Expired - Fee Related JP4612217B2 (en) | 2001-04-09 | 2001-04-09 | Oxygen concentrator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4612217B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007020107A1 (en) * | 2005-08-19 | 2007-02-22 | Carl Freudenberg Kg | Humidifier |
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|---|---|---|---|---|
| US4036919A (en) * | 1974-06-26 | 1977-07-19 | Inhalation Therapy Equipment, Inc. | Nebulizer-humidifier system |
| US4045525A (en) * | 1974-06-19 | 1977-08-30 | Huggins James A | Gas humidification apparatus |
| JPS628768A (en) * | 1985-07-04 | 1987-01-16 | ドレ−ゲルヴエルク・アクチエンゲゼルシヤフト | Anesthetic evaporator having evaporation chamber |
| JPH05154200A (en) * | 1991-12-02 | 1993-06-22 | Sanyo Denshi Kogyo Kk | Oxygen enriched gas supplying device for medical treatment |
| JPH06238002A (en) * | 1993-02-19 | 1994-08-30 | Teijin Ltd | Gas supply device for respiration |
| JPH07165402A (en) * | 1986-03-20 | 1995-06-27 | Teijin Ltd | Feeder for oxygen-enriched gas |
| JPH08254293A (en) * | 1995-03-17 | 1996-10-01 | Kyoei Sangyo Kk | Swivel joint |
-
2001
- 2001-04-09 JP JP2001109740A patent/JP4612217B2/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045525A (en) * | 1974-06-19 | 1977-08-30 | Huggins James A | Gas humidification apparatus |
| US4036919A (en) * | 1974-06-26 | 1977-07-19 | Inhalation Therapy Equipment, Inc. | Nebulizer-humidifier system |
| JPS628768A (en) * | 1985-07-04 | 1987-01-16 | ドレ−ゲルヴエルク・アクチエンゲゼルシヤフト | Anesthetic evaporator having evaporation chamber |
| JPH07165402A (en) * | 1986-03-20 | 1995-06-27 | Teijin Ltd | Feeder for oxygen-enriched gas |
| JPH05154200A (en) * | 1991-12-02 | 1993-06-22 | Sanyo Denshi Kogyo Kk | Oxygen enriched gas supplying device for medical treatment |
| JPH06238002A (en) * | 1993-02-19 | 1994-08-30 | Teijin Ltd | Gas supply device for respiration |
| JPH08254293A (en) * | 1995-03-17 | 1996-10-01 | Kyoei Sangyo Kk | Swivel joint |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007020107A1 (en) * | 2005-08-19 | 2007-02-22 | Carl Freudenberg Kg | Humidifier |
| US8104747B2 (en) | 2005-08-19 | 2012-01-31 | Carl Freudenberg Kg | Humidifier |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4612217B2 (en) | 2011-01-12 |
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