JPH0479268B2 - - Google Patents
Info
- Publication number
- JPH0479268B2 JPH0479268B2 JP62298702A JP29870287A JPH0479268B2 JP H0479268 B2 JPH0479268 B2 JP H0479268B2 JP 62298702 A JP62298702 A JP 62298702A JP 29870287 A JP29870287 A JP 29870287A JP H0479268 B2 JPH0479268 B2 JP H0479268B2
- Authority
- JP
- Japan
- Prior art keywords
- air
- air chamber
- chamber
- mat
- state
- 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.)
- Expired - Lifetime
Links
- 230000007704 transition Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 8
- 102100040428 Chitobiosyldiphosphodolichol beta-mannosyltransferase Human genes 0.000 description 7
- 201000003152 motion sickness Diseases 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 230000003584 silencer Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
Description
【発明の詳細な説明】
［技術分野］
本発明は、体を動かすことができない寝たきり
の人に床ズレが生じるのを防ぐ床ズレ防止マツト
のコントローラに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a controller for a bed slip prevention mat that prevents beds from slipping in bedridden people who cannot move their bodies.
［背景技術］
従来の床ズレ防マツトとして特公昭61−16454
号公報に記載されたものがある。第４図にその構
成図を示す。該床ズレ防止マツトは、エアーマツ
ト１及びコントローラ２より構成され、エアーマ
ツト１は２つの空気室３，４と、両空気室３，４
の間にエアー噴出穴６を設けた空気室５との３つ
の空気室から成り立つている。コントローラ２
は、AC100Vで動作するエアーポンプ７と、エア
ーポンプ７の脈動を消すための消音タンク８と、
エアーマツト１の３つの空気室３，４，５にそれ
ぞれに対応する３個の電磁バルブ９，１０，１１
と、夫々を連結する空気回路１２等で構成されて
いる。尚、電磁バルブ９，１１には夫々排気孔９
ａ，１１ａが設けてある。エアーポンプ７の吐出
空気調節及び電磁バルブ９，１０，１１の開閉
は、制御回路１３によつて制御されている。ま
た、コントローラ２にはコントロールパネル１４
が設けられており、コントロールパネル１４に操
作用の調節つまみ１５が設けてある。電磁バルブ
９はホース１６により空気室３と連結され、電磁
バルブ１０はホース１７により空気室５と連結さ
れ、電磁バルブ１１は空気室４とホース１８によ
り連結されている。[Background technology] Special Publication No. 61-16454 as a conventional floor slip prevention mat
There is something described in the No. Figure 4 shows its configuration. The floor slip prevention mat is composed of an air mat 1 and a controller 2, and the air mat 1 has two air chambers 3 and 4, and both air chambers 3 and 4.
It consists of three air chambers, including an air chamber 5 with an air blowout hole 6 between them. controller 2
includes an air pump 7 that operates at AC100V, a silencer tank 8 for eliminating pulsation of the air pump 7,
Three electromagnetic valves 9, 10, 11 corresponding to the three air chambers 3, 4, 5 of the air mat 1, respectively.
and an air circuit 12 that connects each. In addition, the electromagnetic valves 9 and 11 each have an exhaust hole 9.
a, 11a are provided. Adjustment of the discharge air of the air pump 7 and opening and closing of the electromagnetic valves 9, 10, and 11 are controlled by a control circuit 13. The controller 2 also has a control panel 14.
The control panel 14 is provided with an adjustment knob 15 for operation. The electromagnetic valve 9 is connected to the air chamber 3 by a hose 16, the electromagnetic valve 10 is connected to the air chamber 5 by a hose 17, and the electromagnetic valve 11 is connected to the air chamber 4 by a hose 18.
次に、電磁バルブ９，１０，１１の動作につい
て説明する。第５図に示すように、電磁バルブ９
及び１１は交互にオンオフを繰り返し、これによ
つて空気室３，４が交互に膨張，収縮を繰り返し
て患者の体圧分散を行なうが、この時、必ず両電
磁バルブ９，１１が共にオン状態が一定時間生ず
るようにシーケンスが組まれいる。これは、収縮
状態にある一方の空気室が膨張してからある一定
時間経過後に他方の膨張状態にあつた空気室の空
気を抜いてエアーマツト１を収縮させようとする
ものであり、このことにより、膨張，収縮の切換
を同時に行なつた場合に生ずる患者の体の沈み込
み及び浮き上がりによつて生ずる“船酔い現象”
を防止できるものである。また、電磁バルブ１０
のオン及びオフによつてエアーマツト１は第５図
ａに示すように膨張，収縮＋エアー噴出の動作と
第５図ｂに示すように膨張，収縮のみの動作を行
ない、電磁バルブ１０をオンにしたエアー噴出の
場合は、患者の発汗による蒸れを防止する除湿作
用を有するものである。 Next, the operation of the electromagnetic valves 9, 10, and 11 will be explained. As shown in FIG.
and 11 are alternately turned on and off, and as a result, the air chambers 3 and 4 are alternately expanded and contracted to disperse the patient's body pressure, but at this time, both electromagnetic valves 9 and 11 are always in the ON state. A sequence is created so that this occurs for a certain period of time. This is to deflate the air mat 1 by removing the air from the other air chamber, which is in an expanded state, after a certain period of time has passed since one of the air chambers, which is in a deflated state, expands. ``Seasickness phenomenon'' caused by the sinking and lifting of the patient's body when switching between inflation and deflation at the same time.
can be prevented. In addition, the electromagnetic valve 10
By turning on and off the air mat 1, the air mat 1 performs operations of expansion, contraction and air jetting as shown in FIG. 5a, and operations of expansion and contraction only as shown in FIG. In the case of air ejected, it has a dehumidifying effect to prevent stuffiness caused by sweating of the patient.
次に、使用されている電磁バルブ９，１１の構
造を第６図により説明する。電磁バルブ９，１１
のコイル２１が励磁されていない状態では、プラ
ンジヤー２０はスプリング２２によつて下方のパ
ツキン２３に押しつけられており、入口２４は閉
じられていて、出口２５と排気孔９ａ，１１ａは
連通している。コイル２１が励磁されると、プラ
ンジヤー２０はスプリング２２のバネ力に打ち勝
つて上方に吸引されて排気孔９ａ，１１ａを閉
じ、入口２４と出口２５が連通される。 Next, the structure of the electromagnetic valves 9 and 11 used will be explained with reference to FIG. Solenoid valve 9, 11
When the coil 21 is not energized, the plunger 20 is pressed against the lower gasket 23 by the spring 22, the inlet 24 is closed, and the outlet 25 and the exhaust holes 9a, 11a are in communication. . When the coil 21 is energized, the plunger 20 overcomes the spring force of the spring 22 and is attracted upward to close the exhaust holes 9a, 11a, and the inlet 24 and outlet 25 are communicated with each other.
以上のような構成の床ズレ防止マツトにおい
て、一例として膨張，収縮のみの場合において電
磁バルブ１１がオフとなつていて、電磁バルブ９
がオンのとき、第７図に示すように消音タンク８
内の圧力はエアーポンプ７の全閉圧力Pmとなつ
ており、また、膨張状態である空気室３内の圧力
も同じくPmである。一方、電磁バルブ１１がオ
フとなつていると空気室４は収縮し、空気室４内
の圧力は大気圧Paとなつている。この状態から、
一定時間経過後、第５図ｂのt1で示した時点で電
磁バルブ１１がオンとなると、消音タンク８と収
縮状態であつた空気室４が空気回路１２ｂを介し
て連通されるため、消音タンク８内の圧力はPm
から急激に低下する。尚、第８図は各空気室３，
４内の圧力変化を示している。この時、電磁バル
ブ９はオンの状態のままであるため、空気室３内
の空気は電磁バルブ９、空気回路１２ａを通つて
逆流し、エアーポンプ７のエアーと共に、電気回
路１２ｂを介して空気室４に送り込まれて空気室
３内の圧力が低下してしまい、しばらくたつてか
ら空気室４の圧力増加と共に上昇する。これは、
空気室３の膨張によつて支えられていた患者の体
が圧力低下のため、一旦沈んでまた上がるという
ことが、両方の電磁バルブ９，１１をオン状態に
したにも拘わらず過渡的に上記の状態が生じてい
るということであり、体の上下によつて起こる船
酔い現象を防止しえないという問題を従来例は有
していた。 In the bed slip prevention mat configured as described above, as an example, in the case of only expansion and contraction, the solenoid valve 11 is turned off, and the solenoid valve 9 is turned off.
is on, the silencer tank 8 is turned on as shown in Fig. 7.
The pressure inside is the fully closed pressure Pm of the air pump 7, and the pressure inside the air chamber 3, which is in an expanded state, is also Pm. On the other hand, when the electromagnetic valve 11 is turned off, the air chamber 4 contracts, and the pressure inside the air chamber 4 becomes atmospheric pressure Pa. From this state,
After a certain period of time has elapsed, when the electromagnetic valve 11 is turned on at the time indicated by t1 in FIG. The pressure inside tank 8 is Pm
There is a sharp decline from In addition, Fig. 8 shows each air chamber 3,
It shows the pressure change within 4. At this time, the electromagnetic valve 9 remains on, so the air in the air chamber 3 flows backward through the electromagnetic valve 9 and the air circuit 12a, and together with the air from the air pump 7, the air flows through the electric circuit 12b. The pressure inside the air chamber 3 decreases as it is fed into the chamber 4, and after a while, increases as the pressure in the air chamber 4 increases. this is,
The patient's body, which had been supported by the expansion of the air chamber 3, sank down and rose again due to the pressure drop, even though both electromagnetic valves 9 and 11 were turned on. The conventional example has the problem of not being able to prevent the seasickness phenomenon caused by the vertical movement of the body.
［発明の目的］
本発明は、上述の点に鑑みて提供したものであ
つて、空気室の膨張，収縮の際に体の上下動を無
くして所謂船酔いを起こさせないようにすること
を目的とした床ズレ防止マツトのコントローラを
提供するものである。[Object of the Invention] The present invention has been provided in view of the above-mentioned points, and an object of the present invention is to prevent the so-called seasickness by eliminating the vertical movement of the body when the air chamber is inflated and deflated. The present invention provides a controller for a mat that prevents floor slippage.
［発明の開示］
（構成）
本発明に係る床ズレ防止マツトのコントローラ
は、エアーマツトに設けた複数の空気室に空気を
圧送するエアーポンプと、エアーポンプと各空気
室との間で分岐する空気回路に分岐部位と各空気
室との間でそれぞれ挿入され各空気室にエアーポ
ンプからの空気を導入する第１の状態と各空気室
の空気を大気に放出する第２の状態とを選択する
複数の電磁バルブと、第１の状態と第２の状態と
が交互に繰り返し、かつ収縮状態である空気室が
膨張状態に移行した後に膨張状態である空気室を
収縮状態に移行させるように各電磁バルブを制御
する制御回路と、空気回路の分岐部位と電磁バル
ブとの間で各電磁バルブの近傍部位に夫々挿入さ
れエアーマツトの各空気室からの空気の逆流を防
止する複数の逆流防止弁とを具備するものであ
り、エアーマツトの各空気室からの空気の逆流を
防止するようにしたことを特徴とするものであ
る。[Disclosure of the Invention] (Structure) The controller of the floor slip prevention mat according to the present invention includes an air pump that pumps air to a plurality of air chambers provided in the air mat, and an air pump that branches air between the air pump and each air chamber. A first state in which air from the air pump is introduced into each air chamber by being inserted into the circuit between a branch point and each air chamber, and a second state in which air in each air chamber is discharged to the atmosphere are selected. A plurality of electromagnetic valves are arranged so that the first state and the second state are alternately repeated, and the air chamber in the expanded state is moved to the contracted state after the air chamber in the contracted state moves to the expanded state. A control circuit that controls the electromagnetic valve; and a plurality of check valves that are inserted in the vicinity of each electromagnetic valve between the branch part of the air circuit and the electromagnetic valve to prevent backflow of air from each air chamber of the air mat. It is characterized in that it prevents backflow of air from each air chamber of the air mat.
（実施例）
以下、本発明の実施例を図面を参照して説明す
る。尚、本発明の全体の構成及び電磁バルブ等の
主要構成部材は従来と同じなので、本発明の要旨
の部分について説明する。第１図は要旨の部分に
対応した構成図を示し、第２図は各空気室の圧力
変化を示す図であり、第３図は全体の構成図を示
している。ここで、エアーポンプ７からの吐出空
気は消音タンク８へ導かれ、空気回路１２ａ，１
８を介してエアーマツト１の空気室３へ送られ
る。次に、空気室３の空気は空気回路（ホース）
１８を通つて電磁バルブ９の排気孔９ａから外部
へ放出される。従つて、ここでいう流入空気回路
とは１２ａと１８であり、流出空気回路は１８で
あつて、空気回路１８は流入及び流出の空気回路
を兼ねていることになる。従つて、逆流防止弁１
９ａの設置箇所は消音タンク８及び電磁バルブ９
の取付部分を含む空気回路１２ａの任意部分であ
る。尚、電磁バルブ１１、空気回路（ホース）１
６、空気室４も同様である。本実施例では具体的
には第１図に示すように電磁バルブ９，１１の入
口２４の箇所に設置している。(Example) Hereinafter, an example of the present invention will be described with reference to the drawings. Incidentally, since the overall structure of the present invention and main constituent members such as electromagnetic valves are the same as those of the prior art, only the gist of the present invention will be explained. FIG. 1 shows a block diagram corresponding to the gist, FIG. 2 shows pressure changes in each air chamber, and FIG. 3 shows an overall block diagram. Here, the air discharged from the air pump 7 is guided to the muffling tank 8, and the air circuits 12a, 1
8 to the air chamber 3 of the air mat 1. Next, the air in air chamber 3 is supplied to the air circuit (hose).
18 and is discharged to the outside from the exhaust hole 9a of the electromagnetic valve 9. Therefore, the inflow air circuit here is 12a and 18, and the outflow air circuit is 18, and the air circuit 18 serves as both an inflow and an outflow air circuit. Therefore, the check valve 1
The installation location of 9a is the silence tank 8 and the electromagnetic valve 9.
This is an arbitrary part of the air circuit 12a including the attachment part of the air circuit 12a. In addition, solenoid valve 11, air circuit (hose) 1
6. The same applies to the air chamber 4. Specifically, in this embodiment, as shown in FIG. 1, the valves are installed at the inlets 24 of the electromagnetic valves 9 and 11.
しかして、今、空気室３が膨張状態であつて、
電磁バルブ９がオン状態で電磁バルブ１１がオフ
状態の状況から電磁バルブ１１がオンすると、消
音タンク８内の圧力はPmからΔPだけ急激に低下
し、空気室３内の圧力Pmに対してΔPだけ圧力差
が生じて、この圧力差で逆流防止弁１９ａは閉じ
るため、空気室３内の圧力低下は第２図に示すよ
うに起こらない。その後、しばらくして電磁バル
ブ９がオフになると、電磁バルブ９の入口２４は
プランジヤー２０によつて閉じられ、排気孔９ａ
と空気室３とが出口２５を介して連通し、空気室
３内の空気は大気へ放出される。また、電磁バル
ブ１１がオンで、電磁バルブ９がオフからオンに
なつた場合も上記と同様である。尚、第１図にお
ける圧力状態は、Pm＞（Pm−ΔP）＞Paである。
このように逆流防止弁１９ａ，１９ｂを用いるこ
とで、第２図に示すように片方の電磁バルブ９ま
たは１１がオンになつた場合、空気室３，４の膨
張，収縮の切換時に空気室３，４内の圧力変化は
起こらないので、患者の船酔い現象を防止するこ
とができる。 However, now that the air chamber 3 is in an expanded state,
When the solenoid valve 11 is turned on from a situation where the solenoid valve 9 is on and the solenoid valve 11 is off, the pressure inside the silencing tank 8 suddenly decreases by ΔP from Pm, and the pressure inside the air chamber 3 is ΔP. Since a pressure difference occurs and this pressure difference closes the check valve 19a, the pressure inside the air chamber 3 does not decrease as shown in FIG. Thereafter, when the electromagnetic valve 9 is turned off after a while, the inlet 24 of the electromagnetic valve 9 is closed by the plunger 20, and the exhaust hole 9a is closed.
The air chamber 3 communicates with the air chamber 3 through an outlet 25, and the air within the air chamber 3 is discharged to the atmosphere. Further, the same applies when the electromagnetic valve 11 is on and the electromagnetic valve 9 is turned on from off. Note that the pressure state in FIG. 1 is Pm>(Pm-ΔP)>Pa.
By using the check valves 19a and 19b in this way, when one of the solenoid valves 9 or 11 is turned on as shown in FIG. , 4 does not occur, so that the patient's seasickness phenomenon can be prevented.
［発明の効果］
本発明は上述のように、エアーポンプと各空気
室との間で分岐する空気回路に分岐部位と各空気
室との間でそれぞれ挿入され各空気室にエアーポ
ンプからの空気を導入する第１の状態と各空気室
の空気を大気に放出する第２の状態とを選択する
複数の電磁バルブと、第１の状態と第２の状態と
が交互に繰り返し、かつ収縮状態である空気室が
膨張状態に移行した後に膨張状態である空気室を
収縮状態に移行させるように各電磁バルブを制御
する制御回路と、空気回路の分岐部位と電磁バル
ブとの間で各電磁バルブの近傍部位に夫々挿入さ
れエアーマツトの各空気室からの空気の逆流を防
止する複数の逆流防止弁とを具備するので、エア
ーマツトからの空気の逆流を阻止することがで
き、結果的に収縮状態の空気室に空気を導入する
際に膨張状態の空気室の圧力が低下するのを防止
することができ、膨張と収縮との切換時において
従来生じていた患者の船酔い現象を防止すること
ができるという効果を奏するのである。要する
に、三方弁である電磁バルブを用い、全空気室を
膨張状態に設定する状態を挟んで膨張と収縮とを
交互に繰り返すことによつて船酔い現象を防止す
る構成について、エアーポンプからの空気回路の
分岐部位と各電磁バルブとの間に逆流防止弁を挿
入したことによつて、少数の電磁バルブで構成し
ながらも膨張状態の空気室と収縮状態の空気室と
の連通による膨張状態の空気室の圧力低下を防止
することができるという効果を奏するのである。[Effects of the Invention] As described above, the present invention is arranged so that the air circuit that branches between the air pump and each air chamber is inserted between the branch portion and each air chamber, and the air from the air pump is inserted into each air chamber. a plurality of electromagnetic valves that select between a first state in which air is introduced into the air chamber and a second state in which air in each air chamber is released into the atmosphere; A control circuit that controls each electromagnetic valve so that the air chamber in the expanded state changes to the contracted state after the air chamber moves to the expanded state, and a control circuit that controls each electromagnetic valve between the branch part of the air circuit and the electromagnetic valve. Since it is equipped with a plurality of check valves that are inserted into the vicinity of the air mat and prevent the back flow of air from each air chamber of the air mat, it is possible to prevent the back flow of air from the air mat, and as a result, the air mat is not in a deflated state. It is possible to prevent the pressure of the inflated air chamber from decreasing when air is introduced into the air chamber, and it is possible to prevent the patient's seasickness phenomenon that conventionally occurs when switching between inflation and deflation. This effect is produced. In short, we have developed a structure that prevents seasickness by using a three-way electromagnetic valve to alternately inflate and deflate all air chambers with the state inflated. By inserting a check valve between the branch part of the circuit and each electromagnetic valve, even though it is composed of a small number of electromagnetic valves, it is possible to prevent the expansion state by communicating between the air chamber in the expanded state and the air chamber in the deflated state. This has the effect of preventing a drop in the pressure in the air chamber.
第１図は本発明の実施例の要部の構成図、第２
図は同上の各空気室内の圧力変化を示す図、第３
図は同上の全体の構成図、第４図は従来例の全体
の構成図、第５図ａ，ｂは同上の動作説明図、第
６図は同上の電磁バルブの断面図、第７図は同上
の要部の構成図、第８図は同上の各空気室内の圧
力変化を示す図である。
１はエアーマツト、２はコントローラ、３，
４，５は空気室、７はエアーポンプ、８は消音タ
ンク、９，１０，１１は電磁バルブ、１２ａ，１
２ｂは空気回路、１９ａ，１９ｂは逆流防止弁で
ある。
Fig. 1 is a configuration diagram of the main parts of an embodiment of the present invention, Fig. 2
The figure is a diagram showing pressure changes in each air chamber same as above.
The figure is an overall configuration diagram of the same as above, FIG. 4 is an overall configuration diagram of the conventional example, FIGS. FIG. 8 is a block diagram of the main parts of the same as above, and is a diagram showing pressure changes in each air chamber same as above. 1 is the air mat, 2 is the controller, 3,
4 and 5 are air chambers, 7 is an air pump, 8 is a silence tank, 9, 10, and 11 are electromagnetic valves, 12a, 1
2b is an air circuit, and 19a and 19b are check valves.
Claims (1)
圧送するエアーポンプと、エアーポンプと各空気
室との間で分岐する空気回路に分岐部位と各空気
室との間でそれぞれ挿入され各空気室にエアーポ
ンプからの空気を導入する第１の状態と各空気室
の空気を大気に放出する第２の状態とを選択する
三方弁である複数の電磁バルブと、第１の状態と
第２の状態とが交互に繰り返し、かつ収縮状態で
ある空気室が膨張状態に移行した後に膨張状態で
ある空気室を収縮状態に移行させるように各電磁
バルブを制御する制御回路と、空気回路の分岐部
位と電磁バルブとの間で各電磁バルブの近傍部位
に夫々挿入されエアーマツトの各空気室からの空
気の逆流を防止する複数の逆流防止弁とを具備し
て成ることを特徴とする床ズレ防止マツトのコン
トローラ。1. An air pump that pumps air to multiple air chambers provided in the air mat, and an air circuit that branches between the air pump and each air chamber, and an air pump that is inserted between the branch point and each air chamber, and is inserted into each air chamber. A plurality of electromagnetic valves that are three-way valves that select between a first state in which air is introduced from the air pump and a second state in which air in each air chamber is discharged to the atmosphere; a control circuit that controls each electromagnetic valve so that the air chamber in the deflated state transitions to the deflated state after the air chamber in the deflated state transitions to the deflated state, and a branching portion of the air circuit; An anti-slip mat characterized by comprising a plurality of check valves which are inserted between the solenoid valves and into the vicinity of each solenoid valve to prevent backflow of air from each air chamber of the air mat. controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62298702A JPH01139064A (en) | 1987-11-26 | 1987-11-26 | Controller of bedsore preventing mat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62298702A JPH01139064A (en) | 1987-11-26 | 1987-11-26 | Controller of bedsore preventing mat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01139064A JPH01139064A (en) | 1989-05-31 |
| JPH0479268B2 true JPH0479268B2 (en) | 1992-12-15 |
Family
ID=17863179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62298702A Granted JPH01139064A (en) | 1987-11-26 | 1987-11-26 | Controller of bedsore preventing mat |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01139064A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010054349A (en) * | 1999-12-06 | 2001-07-02 | 이계안 | Fuel supplying structure of mixer for lp gas engines |
| KR20020040461A (en) * | 2000-11-24 | 2002-05-30 | 김영봉 | vaporizer of LPG car |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5816125B2 (en) * | 1975-12-04 | 1983-03-29 | オ−バルキキコウギヨウ カブシキガイシヤ | Uzuri yuriyoukei |
| JPS58165849A (en) * | 1982-03-29 | 1983-09-30 | フランスベッド株式会社 | Method and apparatus for feeding air in bedsore preventing bed |
| JPS6116454A (en) * | 1985-07-03 | 1986-01-24 | Hitachi Ltd | Pickup tube |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5816125U (en) * | 1981-07-24 | 1983-02-01 | 帝国臓器製薬株式会社 | Air pump device for anti-bedsore mats |
-
1987
- 1987-11-26 JP JP62298702A patent/JPH01139064A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5816125B2 (en) * | 1975-12-04 | 1983-03-29 | オ−バルキキコウギヨウ カブシキガイシヤ | Uzuri yuriyoukei |
| JPS58165849A (en) * | 1982-03-29 | 1983-09-30 | フランスベッド株式会社 | Method and apparatus for feeding air in bedsore preventing bed |
| JPS6116454A (en) * | 1985-07-03 | 1986-01-24 | Hitachi Ltd | Pickup tube |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01139064A (en) | 1989-05-31 |
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