JP5130307B2 - Oxygen therapy device for small animals - Google Patents

Oxygen therapy device for small animals Download PDF

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JP5130307B2
JP5130307B2 JP2010004841A JP2010004841A JP5130307B2 JP 5130307 B2 JP5130307 B2 JP 5130307B2 JP 2010004841 A JP2010004841 A JP 2010004841A JP 2010004841 A JP2010004841 A JP 2010004841A JP 5130307 B2 JP5130307 B2 JP 5130307B2
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照男 小林
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本願発明は、ペットとして飼育される犬や猫などの小動物の患畜を集中治療するために使用する酸素治療装置に関する。   The present invention relates to an oxygen therapy apparatus used for intensive treatment of small animals such as dogs and cats raised as pets.

従来、非特許文献1からも明らかなように、ペットとして飼育される犬や猫などの小動物の患畜を集中治療するために使用する酸素治療装置は公知であり、主として、獣医科病院で使用されている。その構成は、一患畜を収容するに必要充分な容積の大きさをもつ気密性の高いケージと、該ケージ内に酸素を供給する酸素ボンベ乃至酸素濃縮器と、前記ケージ内の雰囲気を調整する調整機構とから成り、調整機構として、ケージ内の温度を例えば17〜38℃(周囲温度25℃時)の範囲で、また湿度を例えば40〜70%(周囲湿度20〜80%時)の範囲でそれぞれ調整する空調用調整手段と、例えば濃度25〜40%(毎分5リットルの酸素供給時)の範囲で調整する酸素濃度調整手段と、患畜の呼吸によって発生するCO2 を例えば炭酸ライム吸着方式により除去するCO2 除去手段および電源などが備えられている。   Conventionally, as is clear from Non-Patent Document 1, oxygen therapy devices used for intensive treatment of small animals such as dogs and cats kept as pets are known and are mainly used in veterinary hospitals. ing. The structure is a highly airtight cage having a volume sufficient to accommodate a patient, an oxygen cylinder or oxygen concentrator for supplying oxygen into the cage, and adjusting the atmosphere in the cage. The adjustment mechanism includes a temperature in the cage in a range of 17 to 38 ° C. (at an ambient temperature of 25 ° C.) and a humidity in a range of, for example, 40 to 70% (at an ambient humidity of 20 to 80%). Air conditioning adjustment means, oxygen concentration adjustment means for adjusting the concentration within a range of, for example, 25 to 40% (at the time of supplying 5 liters of oxygen per minute), and CO2 generated by the respiration of the patient, for example, lime carbonate adsorption system Are provided with a CO2 removing means and a power source.

しかして、使用に際し、小動物(例えば10kg以下)をケージ内に収容した状態で、酸素ボンベ乃至酸素濃縮器からケージ内に酸素含有空気を供給してケージ内を酸素リッチの状態にすると共に、経時的に変化する気密性の高いケージ内の雰囲気を、空調用調整手段,酸素濃度調整手段およびCO2 除去手段をそれぞれ調整して、ケージ内を酸素集中治療に適した雰囲気とするものであった。   Thus, in use, a small animal (for example, 10 kg or less) is housed in the cage, and oxygen-containing air is supplied from the oxygen cylinder or oxygen concentrator into the cage to make the cage oxygen-rich. The atmosphere inside the cage, which changes with high airtightness, is adjusted by the air conditioning adjustment means, the oxygen concentration adjustment means, and the CO2 removal means, so that the atmosphere in the cage is suitable for oxygen intensive treatment.

「小動物臨床」通巻122,VOL.21NO.5, 2002年9月発行、発行所「株式会社山水書店」 P353頁〜355頁“Small Animal Clinical”, Vol. 122, VOL. 21 NO. 5, Issued in September 2002, publisher “Sansui Shoten Co., Ltd.” pages 353-355

ところが、従来公知の小動物用酸素治療装置によれば、酸素供給源である酸素ボンベ乃至酸素濃縮器の流量は、精々3L/minと少量であること、また気密性の高いケージを対象としているので、ケージ内の雰囲気は経時的に変化し易く、そのため、さきに述べたように、ケージ内の雰囲気を良好な状態に調整する多くの調整手段を必要とし、従って、全体の構成が複雑で大型化すると共に、高価となり、また調整操作も面倒で専門性を有し、使用する対象は専ら獣医病院であった。   However, according to the conventionally known oxygen therapy apparatus for small animals, the flow rate of the oxygen cylinder or oxygen concentrator, which is an oxygen supply source, is at most a small amount of 3 L / min, and is intended for a highly airtight cage. The atmosphere in the cage is likely to change over time, and as described above, it requires many adjustment means to adjust the atmosphere in the cage to a good state, and thus the overall configuration is complicated and large. In addition, the adjustment operation is troublesome and specialized, and the object to be used was exclusively a veterinary hospital.

そこで、本願発明は、ケージ内の空気を外部に放出可能とした開放型のケージを対象とし、かつ、例えば約10L/minの大量の流量が得られる酸素濃縮器の開発に伴い、該酸素濃縮器からケージに対して大量の酸素含有空気を供給し続けることにより、ケージ内の雰囲気を常に良好な状態に保持して、調整手段を必要としない一般のペット飼育者でも使用し得る安価な酸素治療装置を提供するものである。   Accordingly, the present invention is directed to an open cage that can release the air in the cage to the outside, and the oxygen concentrator is developed along with the development of an oxygen concentrator that can obtain a large flow rate of, for example, about 10 L / min. By supplying a large amount of oxygen-containing air from the vessel to the cage, the atmosphere inside the cage is always kept in a good state and inexpensive oxygen that can be used even by ordinary pet breeders who do not require adjustment means A therapeutic device is provided.

本願発明を上記した目的を達成するために、本願発明の小動物用酸素治療装置は、ゼオライトを備えた酸素濃縮器と小動物を収容するケージとから構成され、 前記ケージは、内外を連通する通孔を有する開放型のケージであって、前記通孔は、前記ケージに酸素濃度調整手段を具備することなく、ケージ内を小動物の酸素集中治療に最適であるとされる酸素濃度に保持できるように、ケージ内を前記酸素濃縮器からの新鮮な酸素含有空気に交換できるように、前記酸素濃縮器からの酸素含有空気の供給に対して、ケージ内の酸素含有空気を外部に放出できる大きさに形成されていることを特徴とする。 In order to achieve the above-described object of the present invention, an oxygen therapy device for small animals according to the present invention is composed of an oxygen concentrator equipped with zeolite and a cage for accommodating small animals, and the cage has a through-hole communicating between the inside and the outside. I Oh in cage open with the hole without having a oxygen concentration adjusting means in the cage, so that it can hold the cage in the concentration of oxygen to be optimal oxygen intensive care of small animals Furthermore, the oxygen-containing air in the cage can be discharged to the outside with respect to the supply of oxygen-containing air from the oxygen concentrator so that the inside of the cage can be exchanged with fresh oxygen-containing air from the oxygen concentrator. It is characterized by being formed .

また、前記酸素濃縮器は、前記ケージ内の圧力を陽圧にして、前記ケージ内の空気を前記通孔から常時外部に放出するように、前記ケージに対し酸素含有空気を供給するものであることを特徴とする。   The oxygen concentrator supplies oxygen-containing air to the cage so that the pressure in the cage is positive and the air in the cage is constantly discharged from the through hole. It is characterized by that.

上記において、好ましくは、前記ケージの上面に前記酸素濃縮器からの酸素含有空気の供給口を設けると共に、前記通孔をケージの下方位置に設け、また複数の通孔を面方向に散らばるように配置して構成する。In the above, preferably, an oxygen-containing air supply port from the oxygen concentrator is provided on the upper surface of the cage, the through holes are provided at positions below the cage, and a plurality of through holes are scattered in the surface direction. Arrange and configure.

以上のように、本発明によれば、酸素濃縮器から大量の酸素含有空気を外部に放出する通孔を有する開放型のケージ内に供給するので、ケージ内の空気は酸素リッチな空気に速やかに置換できて使用に便利であると共に、ケージ内の空気は、通孔から常時外部に放出されるので、汚染された外気がケージ内に侵入する余地はなく、常に新鮮で酸素リッチな状態に保持でき、またゼオライトの有する脱臭機能が働くので、患畜の糞尿から発する臭気を解消でき、また、停電時などにより酸素の供給が止った場合でも、外気が通孔を介してケージ内に還流するので、酸欠の惧れもないなどの利点を有する。   As described above, according to the present invention, since an oxygen concentrator supplies a large amount of oxygen-containing air into an open cage having a through hole for releasing the oxygen-containing air to the outside, the air in the cage is quickly converted into oxygen-rich air. Since the air in the cage is always released to the outside through the through hole, there is no room for contaminated outside air to enter the cage, and it is always fresh and oxygen-rich. It can be retained and the deodorizing function of the zeolite works, so that the odor emitted from the manure of the livestock can be eliminated, and even when the supply of oxygen stops due to a power failure etc., the outside air flows back into the cage through the through hole Therefore, it has advantages such as no fear of lack of oxygen.

さらにまた、患畜からの放熱に依るケージ内の温度上昇は、通孔を介して外部に放出する酸素含有空気によって抑制されるので、常に室温とほぼ等しい温度に保持されること、酸素濃縮器は、高能率の除湿機能を有しており、ケージ内に供給される酸素含有空気は湿度0に近く得られるので、湿度の上昇を抑制できること、および酸素濃縮器からの供給流量とケージに配設される通孔の大きさとにより酸素濃度を容易に調整できるので、従来のように、ケージ内の室温,湿度および酸素濃度をそれぞれ調整するための手段や煩わしい操作が省略でき、それ丈使用が便利であると共に小型で安価な装置が提供できて、ペットを飼育する一般人が家庭においても手軽に使用できるという利点を有する。   Furthermore, the temperature rise in the cage due to heat radiation from the patient is suppressed by the oxygen-containing air released to the outside through the through hole, so that it is always kept at a temperature approximately equal to room temperature. It has a high-efficiency dehumidification function, and the oxygen-containing air supplied into the cage can be obtained at a humidity close to 0, so that the increase in humidity can be suppressed, and the supply flow rate from the oxygen concentrator and the cage are installed. Since the oxygen concentration can be easily adjusted according to the size of the through-holes used, the conventional means for adjusting the room temperature, humidity and oxygen concentration in the cage and troublesome operations can be omitted, making it convenient to use the length. In addition, a small and inexpensive device can be provided, and there is an advantage that an ordinary person raising a pet can easily use it at home.

さらにまた、請求項2記載の発明によれば、患畜の呼吸中の炭酸ガスすなわち比重の重い炭酸ガスの放出に便利であり、また請求項3記載の発明によれば、患畜がケージの内壁面に接触した状態に居住した場合でも通孔の全てが閉じる惧れはなく、ケージ内の空気の放出が確保でき、また、請求項4記載の発明によれば、ケージ内の様子を感得することができる。   Furthermore, according to the invention described in claim 2, it is convenient for the release of carbon dioxide during respiration of the patient, that is, heavy carbon dioxide, and according to the invention described in claim 3, the patient is provided with the inner wall surface of the cage. Even when living in a state where it is in contact with all the holes, there is no fear that all of the through holes will be closed, and the release of air in the cage can be secured, and according to the invention of claim 4, the state in the cage can be sensed. Can do.

さらにまた、数次の実験の結果、10kg以下の小動物用酸素治療装置として最も適した条件を満たすことができる。   Furthermore, as a result of several experiments, the most suitable condition can be satisfied as an oxygen therapy apparatus for small animals of 10 kg or less.

本願発明の構成図Configuration diagram of the present invention

以下図面によって本発明の実施例を説明する。   Embodiments of the present invention will be described below with reference to the drawings.

図1は、総体斜視図であって、Aは酸素濃縮器を、Bはケージを示している。ケージBは、小動物の一患畜を収容するに必要充分な大きさ例えば横幅30cm,高さ45cm及び、奥行55cmで容積70Lの大きさを有する前面が開口したケージ本体1と、該ケージ本体1の前面開口部を閉じる扉2とから成り、そのいづれも、内部が透視できるように透明のプラスチックから作成されると共に、ケージ本体1の前面開口部との周縁と扉2の内面周縁とに金属製の枠片3と4がそれぞれ取付けてあり、枠片3と4は、その一方の側面で蝶番5により連結され、この蝶番5により扉2はケージ本体1に対し開閉自在に取付けられる。また枠片3と4の他方の側面にはロック機構6が取付けてある。   FIG. 1 is an overall perspective view, in which A indicates an oxygen concentrator and B indicates a cage. The cage B has a cage body 1 that is large enough to accommodate a small animal, for example, a width of 30 cm, a height of 45 cm, a depth of 55 cm, and a volume of 70 L. The door 2 closes the front opening, both of which are made of transparent plastic so that the inside can be seen through and made of metal on the periphery of the front opening of the cage body 1 and the inner periphery of the door 2 Frame pieces 3 and 4 are attached to each other. The frame pieces 3 and 4 are connected to each other by a hinge 5 on one side, and the hinge 2 allows the door 2 to be attached to the cage body 1 so as to be opened and closed. A lock mechanism 6 is attached to the other side surface of the frame pieces 3 and 4.

前記扉2の下方部分とケージ本体1の後面の下方部分には、複数の小さい通孔7が好ましくは面方向に散らばるように、かつ前後面において対称的に設けてあり、本例では、直径11mmの通孔7を、縦,横25mmのピッチをもって底面から50mmと125mmの範囲内に千鳥状に配置して前面と後面とに計80個の通孔7すなわち通孔7の総面積を76cm2とした場合を示している。 In the lower part of the door 2 and the lower part of the rear surface of the cage body 1, a plurality of small through holes 7 are preferably provided so as to be scattered in the surface direction and symmetrically on the front and rear surfaces. The 11 mm through holes 7 are arranged in a staggered manner within a range of 50 mm and 125 mm from the bottom with a pitch of 25 mm vertically and horizontally, and a total area of 80 through holes 7 in total on the front and rear surfaces, that is, the through holes 7 is 76 cm. The case of 2 is shown.

このように構成されたケージBのケージ本体1の上面には、温湿計8と、酸素濃縮器Aから酸素含有空気の供給を受けるパイプ9とが取付けてあり、また側面上部位置には、ケージB内の湿度が低下したときに、外部から蒸気を補給するためのネブライザー用接続孔10が閉止状に設けてある。   A thermometer 8 and a pipe 9 that receives supply of oxygen-containing air from the oxygen concentrator A are attached to the upper surface of the cage body 1 of the cage B configured as described above. When the humidity in the cage B decreases, a nebulizer connection hole 10 for replenishing steam from the outside is provided in a closed shape.

酸素濃縮器Aは、周知のように、空気中の窒素ガスと酸素ガスとを分離し窒素ガスを排除して高濃度の酸素ガスのみを供給する装置であって、このガス分離方式には、大別して分子膜を応用した比較的低濃度の酸素濃度が得られる「膜式」と称される方式のものと、高濃度の酸素が得られるゼオライトを備えた「PAS方式」とがあり、本願発明は、この「PAS方式」の酸素濃縮器において開発された大量の流量が得られる酸素濃縮器を使用するものである。   As is well known, the oxygen concentrator A is a device that separates nitrogen gas and oxygen gas in the air, eliminates the nitrogen gas, and supplies only high-concentration oxygen gas. There are two types: a method called a “membrane type” that can obtain a relatively low oxygen concentration by applying a molecular membrane, and a “PAS method” equipped with a zeolite that can obtain a high concentration of oxygen. The invention uses the oxygen concentrator developed in this “PAS type” oxygen concentrator and capable of obtaining a large flow rate.

すなわち、この酸素濃縮器は、酸素濃度の調整が容易であること、一定の酸素濃度のもとに大量の酸素含有空気が放出できること、高能率の除湿機能と無菌フィルターによる除菌機能とを有していることの特徴を有し、本願発明は、上記した酸素濃縮器の特徴とするところを有効に利用して、さきに示した開放型のケージBと組合わせることによって、課題解決の目的を達成したものである。   That is, this oxygen concentrator has an easy oxygen concentration adjustment, a large amount of oxygen-containing air can be released under a constant oxygen concentration, a highly efficient dehumidifying function, and a sterilizing function using a sterile filter. The invention of the present application effectively utilizes the characteristics of the oxygen concentrator described above, and is combined with the open cage B shown above to Is achieved.

しかして、通孔7から成る開口部例えば開口面積80cm2を有する例えば70Lの容積をもつケージBに、一定の酸素濃度例えば45%濃度の酸素含有空気を無菌フィルターを通じて酸素濃縮器Aから大量の例えば10L/minの流量でパイプ9を介して供給する。 Thus, a large amount of oxygen-containing air having a constant oxygen concentration, for example, 45%, is supplied from the oxygen concentrator A through an aseptic filter to the cage B having a volume of, for example, 70 L having an opening area of 80 cm 2, for example. For example, it is supplied through the pipe 9 at a flow rate of 10 L / min.

すると、ケージB内の空気は、約7分で速やかに新鮮な酸素含有空気と交換して酸素リッチな雰囲気となると共に、ケージB内の圧力を陽圧にしてケージB内の酸素含有空気を常時通孔7から外部(室内)に放出する。従って外部における雑菌などで汚染された空気がケージB内に侵入する惧れがなく、かつ、ケージB内は、酸素集中治療に最適であるとされる例えば30%の酸素濃度に保持される。   Then, the air in the cage B is quickly exchanged with fresh oxygen-containing air in about 7 minutes to become an oxygen-rich atmosphere, and the oxygen-containing air in the cage B is changed to a positive pressure by making the pressure in the cage B positive. Always discharged from the through hole 7 to the outside (indoor). Therefore, there is no possibility that air contaminated with external germs or the like enters the cage B, and the inside of the cage B is maintained at an oxygen concentration of, for example, 30%, which is optimal for oxygen intensive treatment.

患畜からの放熱に依って温度上昇するケージB内の空気は、酸素濃縮器Aから供給される酸素含有空気に依って、通孔7から速やかに外部に放出されると共に、ケージB内の温度は室温とほぼ同一に保持され、実験によれば、最高でも+1.5℃の範囲にとどまった。また酸素濃縮器Aは、高能率の除湿能力を有しており、従って、ケージBに供給される酸素含有空気は湿度0に近く、実験によれば、酸素含有空気の供給量を10L/min,室内湿度52.3%とするとき、ケージB内の湿度は、27.3%で、湿度低減率が48%であった。   The air in the cage B whose temperature rises due to heat radiation from the patient is quickly released from the through hole 7 to the outside by the oxygen-containing air supplied from the oxygen concentrator A, and the temperature in the cage B. Was kept approximately the same as room temperature and, according to experiments, remained in the range of + 1.5 ° C. at the maximum. The oxygen concentrator A has a high-efficiency dehumidifying capacity. Therefore, the oxygen-containing air supplied to the cage B is close to humidity 0, and according to experiments, the supply amount of oxygen-containing air is 10 L / min. When the indoor humidity was 52.3%, the humidity in the cage B was 27.3%, and the humidity reduction rate was 48%.

また、患畜の糞尿から発する臭気は、ゼオライトによる脱臭機能によって消去され、また患畜の呼吸中の比重の重い炭酸ガスは、ケージBの下方位置に設けた通孔7から効率よく放出される。   Further, the odor emitted from the manure of the patient is erased by the deodorizing function by the zeolite, and carbon dioxide gas having a high specific gravity during the respiration of the patient is efficiently released from the through hole 7 provided at the lower position of the cage B.

さらにまた、本例によれば、停電時などにより酸素濃縮器Aからの供給が止った場合でも、通孔7を通じて外気の還流が行われ安全に使用できる。   Furthermore, according to this example, even when the supply from the oxygen concentrator A is stopped due to a power failure or the like, the outside air is recirculated through the through hole 7 and can be used safely.

さらにまた、本例において、ケージBに複数の通孔7を面方向に散らばるように設けたのは、ケージB内の患畜がケージB内壁面に接触した状態に居住した場合でも、通孔7の全てが閉じることのないように考慮したものである。   Furthermore, in this example, the plurality of through holes 7 are provided in the cage B so as to be scattered in the plane direction even when the livestock in the cage B lives in a state of being in contact with the inner wall surface of the cage B. All of this is considered so as not to close.

A.酸素濃縮器
B.ケージ
1 ケージ本体
2 扉
7 通孔
A. Oxygen concentrator B. Cage 1 Cage body 2 Door 7 Through hole

Claims (4)

ゼオライトを備えた酸素濃縮器と小動物を収容するケージとから構成され、
前記ケージは、内外を連通する通孔を有する開放型のケージであって、
前記通孔は、
前記ケージに酸素濃度調整手段を具備することなく、ケージ内を小動物の酸素集中治療に最適であるとされる酸素濃度に保持できるように、ケージ内を前記酸素濃縮器からの新鮮な酸素含有空気に交換できるように、
前記酸素濃縮器からの酸素含有空気の供給に対して、ケージ内の酸素含有空気を外部に放出できる大きさに形成されていることを特徴とする小動物用酸素治療装置。
Consists of an oxygen concentrator with zeolite and a cage containing small animals,
The cage, I Oh in cage open with holes for communicating the inside and outside,
The through hole is
The cage contains fresh oxygen-containing air from the oxygen concentrator so that the cage can be maintained at an oxygen concentration that is optimal for oxygen intensive treatment of small animals, without providing oxygen concentration adjusting means. So that you can exchange
An oxygen therapy device for small animals, which is formed to have a size capable of releasing oxygen-containing air in a cage to the outside with respect to supply of oxygen-containing air from the oxygen concentrator .
前記酸素濃縮器は、前記ケージ内の圧力を陽圧にして、前記ケージ内の空気を前記通孔から常時外部に放出するように、前記ケージに対し酸素含有空気を供給するものであることを特徴とする請求項1記載の小動物用酸素治療装置。   The oxygen concentrator supplies oxygen-containing air to the cage so that the pressure in the cage is positive and the air in the cage is always released to the outside through the through hole. The small animal oxygen therapy device according to claim 1, wherein the device is an oxygen therapy device for small animals. 前記ケージの上面に前記酸素濃縮器からの酸素含有空気の供給口を設けると共に、前記通孔をケージの下方位置に設けて成る請求項1または2記載の小動物用酸素治療装置。   The oxygen therapy apparatus for small animals according to claim 1 or 2, wherein a supply port for oxygen-containing air from the oxygen concentrator is provided on an upper surface of the cage, and the through hole is provided at a lower position of the cage. 複数の前記通孔を面方向に散らばるように配置して成る請求項1、2または3記載の小動物用酸素治療装置。   The oxygen therapy apparatus for small animals according to claim 1, 2, or 3, wherein the plurality of through holes are arranged so as to be scattered in a plane direction.
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