EP0961566B1 - Procede et appareil de gonflage rapide d'une chambre gonflable, en particulier une chambre d'un dispositif de support, tel qu'un matelas - Google Patents
Procede et appareil de gonflage rapide d'une chambre gonflable, en particulier une chambre d'un dispositif de support, tel qu'un matelas Download PDFInfo
- Publication number
- EP0961566B1 EP0961566B1 EP98902054A EP98902054A EP0961566B1 EP 0961566 B1 EP0961566 B1 EP 0961566B1 EP 98902054 A EP98902054 A EP 98902054A EP 98902054 A EP98902054 A EP 98902054A EP 0961566 B1 EP0961566 B1 EP 0961566B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inflation
- chamber
- pressure
- filling
- flow rate
- 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
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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
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
- A61G7/05769—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with inflatable chambers
Definitions
- the invention relates essentially to a method and an apparatus for rapid inflation of an inflatable chamber, in particular a chamber of an support device, such as a mattress.
- the invention finds an application particularly advantageous in the prevention and treatment of complications linked to bed rest and prolonged immobilization, in particular pressure sores.
- an inflation means such as a compressor capable of inflating at high pressure, greater than 30 mbar, generally around 50 mbar, which however has the disadvantage be of a low flow rate, that is to say a flow rate of less than about 10 l / min, which generates a considerable waiting time before operational implementation, which is 20 to 60 min or more.
- the main object of the present invention is to solve the new technical problem consisting in providing a solution which allows rapid inflation of an inflatable chamber, in particular a chamber of a support device such as a mattress.
- the main object of the present invention is also to resolve the new aforementioned technical problem according to a solution which makes it possible to carry out preferably rapid inflation of such a chamber in less than 10 min, preferably less than 5 min, and even better less than about 2 min.
- the main object of the present invention is also to resolve the new technical problem consisting in providing a solution which allows rapid inflation of an inflation chamber of a support of an element to be supported, in particular the body of a patient, advantageously in the case of prevention or treatment of subject patients prolonged bed rest, or patients who have had a skin graft or patients subject to acute pain following certain diseases.
- the present invention provides a support method as defined in the preamble of claim 1 and characterized in that the inflation itself is carried out in two stages, a first stage known as fast inflation at high flow and low pressure to essentially fill completely the volume of said chamber, and a second step of inflation to low flow but at high pressure to obtain said inflation pressure predetermined in said room.
- this is characterized in that the chamber is inflated with a fluid consisting of air, a liquid such as water or an aqueous solution.
- this is characterized in that the large flow serving for rapid inflation of the first stage is carried out at a flow rate equal to or greater than 50 l / min, better equal or greater than 100 l / min, preferably still greater than 200 l / min and further preferably more than 300 l / min.
- the low pressure used for rapid inflation is a pressure less than about 20 mbar.
- the low inflation rate used in the second step is a flow equal to or less than 30 l / min.
- the high pressure used during inflation in the second stage is a pressure equal to or greater than 20 mbar and even better still equal to or greater than 30 mbar, especially when the predetermined inflation pressure in the room is around 20 mbar. It is advantageous in the context of the invention that the high inflation pressure in the second stage is at least of the order twice the predetermined inflation pressure sought in said bedroom.
- the total inflation time i.e. the first and second stages of inflation mentioned above, is equal to or less than about 10 min, preferably equal or less than about 5 min.
- the present invention finds a particularly application advantageous in the context of a method of supporting an element to be supported, in particularly the body of a patient, comprising the provision of at least one device support comprising at least one flexible, inflatable, closed or controlled exhaust, means for filling or evacuating a filling of said chamber being provided as well as control means filling or discharging said filling fluid as a function of various parameters retained, in particular the insertion distance from an element to support such as the body of a patient in the support member comprising said chamber, and / or the inflation pressure in said chamber.
- the present invention also relates to a support device as defined in the preamble of claim 8, and characterized in that it comprises at least two means of separate filling or inflation, a first inflation means providing a high flow, low pressure inflation to fill substantially completely the volume of said low pressure chamber, and a second means of inflation at low flow rate but at high pressure to obtain said pressure predetermined inflation in said chamber.
- the first high-speed inflation means comprises at least one turbine or mini-turbine, for example delivering according to one embodiment currently more preferred in the range of 350 l / min at a low pressure of about 8 mbar, preferably air.
- the aforementioned second inflation means at low pressure flow high comprises at least one compressor, for example of the vibrator type membrane delivering a flow rate of the order of 10 l / min at a pressure of the order of 40 mbar to obtain a predetermined pressure in the chamber of the order of 20 mbar, preferably air.
- the inflation fluid of the room is made up of air, but we can naturally use a liquid such as water or an aqueous solution.
- the rapid inflation of the chamber during the first step is preferably obtained in an extremely short time of the order 1 min and pressurizing to the predetermined pressure with the second inflation means, such as a compressor, is produced in one time also short on the order of 1 to 4 min, which results in a total inflation time at predetermined inflation pressure less than 5 min.
- the second inflation means such as a compressor
- the invention also makes it possible to rapidly inflate any type of chamber and in particular support device chambers, in particular of support of a patient's body.
- the support device or mattress can understand a multitude of cushions or tubes communicating with each other, or communicating with each other only by zones, thus making it possible to define areas inflated to different pressures.
- the cushions or tubes can be deflated alternately individually, sequentially, in particular one in two, one in three, one in four or one in n.
- This device comprises a support device proper 12, for example a mattress, as part of the support of a patient's body P.
- Ce support device 12 may, for example, include at least one closed area or with controlled exhaust 14, flexible, inflation, which can, for example, be composed of a multiplicity of inflatable tubes communicating with each other.
- This chamber 14 is inflatable under a predetermined initial inflation pressure, adjustable.
- This support device 12 generally rests on a bed base (here not represented) or equivalent means.
- this support device 12 can be subdivided into several inflatable chambers which can thus be inflated to a pressure of pre-determined initial inflation different from that of other chambers.
- this apparatus 10 also includes means for control 40 which include a command center 42 which usually includes an electronic or electromechanical central unit or still electropneumatic managing the automatic inflation operation of chamber 14.
- the apparatus 10 is an apparatus for rapid inflation of an inflatable chamber, here chamber 14, by a inflation such as water or air, this chamber having an inflation volume determined in the inflated state, for example 210 liters.
- This device includes inflation means 50 of the inflatable chamber 14 by the inflation fluid at a pre-determined inflation pressure.
- the apparatus 10 is characterized by what it includes at least two separate inflation means, a first means inflation 52 performing a high flow and low pressure inflation to fill substantially the volume of the low pressure chamber, and a second inflation means 52 at low flow rate but at high pressure to obtain the predetermined inflation pressure in chamber 14.
- the first means of inflation 52 at high flow rate includes at least one turbine or miniturbine, such as shown, for example delivering according to a more preferred embodiment currently around 350 l / min at a low pressure of around 8 mbar.
- the second inflation means 54 at low flow at high pressure comprises at least one compressor, as shown, for example of the type membrane vibrator delivering a flow rate of the order of 10 l / min at a pressure of around 40 mbar when the predetermined pressure in the chamber is around 20 mbar.
- These inflation means 50 are naturally linked to the chamber 14 by a suitable pipe 30 provided with non-return valves 35 and 36 and on which are mounted in diversion by a pipe 32 of the means 34 such as a valve for discharging the inflation fluid when a drop in pressure is sought in chamber 14.
- the means of inflation 50, in particular the first means 52 and the second means 54, thus that the evacuation means 34 are connected electronically or electromechanically or even electropneumatic at the control center 42 des means of control 40.
- FIG. 2 there is shown an inflation curve a chamber 14 of a support device 12 adapted to support a patient P with the apparatus of the invention described in FIG. 1, using as the first means inflation 52 a miniturbine delivering a large air flow of around 350 l / min at a low pressure of approximately 8 mbar and a second inflation 54 constituted by an annular turbine type booster delivering a low flow rate of approximately 10 l / min at a high pressure of around 40 mbar, it is possible to fill the volume of 210 liters of chamber 14 at a pressure of the order of 18 mbar in 4 min, which constitutes a decisive technical advantage compared to the state of the prior art.
Landscapes
- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Nursing (AREA)
- Invalid Beds And Related Equipment (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
- Massaging Devices (AREA)
- Treatment Of Fiber Materials (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Description
- la figure 1 est une vue schématique de principe d'un appareil de gonflage rapide selon la présente invention, dans lequel la chambre de gonflage est une chambre de gonflage d'un élément à supporter tel qu'un corps d'un patient, cet élément à supporter étant dans ce cas du type matelas ;
- la figure 2 représente la courbe de gonflage obtenue avec l'appareil de gonflage selon la présente invention de la figure 1, mettant en oeuvre le procédé de gonflage selon la présente invention.
Claims (11)
- Procédé de support d'un élément à supporter, en particulier le corps d'un patient, comprenant la prévision d'au moins un dispositif de support comprenant au moins une chambre souple, gonflable, fermée ou à échappement contrôlé, présentant un volume de gonflage donné, des moyens de remplissage ou d'évacuation d'un fluide de remplissage de ladite chambre étant prévus ainsi que des moyens de commande d'un remplissage ou d'une évacuation dudit fluide de remplissage en fonction de divers paramètres retenus, notamment la distance d'enfoncement d'un élément à supporter tel que le corps d'un patient dans l'élément de support comprenant ladite chambre, et/ou la pression de gonflage dans ladite chambre, comprenant une étape de gonflage de ladite chambre à une pression de gonflage prédéterminée, et en ce qu'on gère le fonctionnement automatique du gonflage de la chambre (14) en prévoyant une centrale de commande (42) qui comprend habituellement une unité centrale électronique ou électromécanique ou encore électropneumatique, caractérisé en ce que l'on réalise le gonflage lui-même de ladite chambre à volume de gonflage donné, dans deux étapes, une première étape dite de gonflage rapide à grand débit et à faible pression pour remplir essentiellement complètement le volume de ladite chambre, et une deuxième étape de gonflage à faible débit mais à pression élevée pour obtenir ladite pression de gonflage prédéterminée dans ladite chambre.
- Procédé selon la revendication 1, caractérisé en ce qu'on réalise le gonflage de la chambre avec un fluide constitué par de l'air, un liquide tel que de l'eau ou une solution aqueuse.
- Procédé selon la revendication 1 ou 2, caractérisé en ce que le grand débit servant au gonflage rapide de la première étape est réalisé à un débit égal ou supérieur à 50 l/min, mieux égal ou supérieur à 100 l/min, de préférence encore supérieur à 200 l/min et encore de préférence supérieur à 300 l/min.
- Procédé selon l'une des revendications précédentes, caractérisé en ce que la faible pression utilisée dans le cadre du gonflage rapide est une pression inférieure à environ 20 mbars.
- Procédé selon l'une des revendications précédentes, caractérisé en ce que le faible débit de gonflage utilisé dans la deuxième étape est un débit égal ou inférieur à 30 l/min.
- Procédé selon l'une des revendications précédentes, caractérisé en ce que la pression élevée utilisée lors du gonflage dans la deuxième étape est une pression égale ou supérieure à 20 mbars et encore mieux égale ou supérieure à 30 mbars, notamment lorsque la pression de gonflage prédéterminée dans la chambre est de l'ordre de 20 mbars.
- Procédé selon l'une des revendications précédentes, caractérisé en ce que la durée totale du gonflage, c'est-à-dire de la première et de la deuxième étape de gonflage précitées, est égale ou inférieure à environ 10 min, de préférence égale ou inférieure à environ 5 min.
- Appareil de support d'un élément à supporter, en particulier le corps d'un patient (P), comprenant au moins un dispositif de support (12) comprenant au moins une chambre (14) souple, gonflable, fermée ou à échappement contrôle, présentant un volume de gonflage donné, des moyens de remplissage (50) ou d'évacuation (34) d'un fluide de remplissage de ladite chambre (14), des moyens (40) de commande de remplissage ou d'une évacuation dudit fluide de remplissage en fonction de divers paramètres retenus, notamment la distance d'enfoncement d'un élément à supporter tel que le corps d'un patient (P) dans l'élément de support (12) comprenant ladite chambre (14), et/ou la pression de gonflage dans ladite chambre (14), lesdits moyens de remplissage (50) constituant des moyens de gonflage de ladite chambre gonflable par un fluide de gonflage à une pression de gonflage prédétermmée, ledit appareil comprenant en outre une centrale de commande (42) qui comprend habituellement une unité centrale électronique ou électromécanique ou encore électropneumatique gérant le fonctionnement automatique du gonflage de la chambre (14), caractérisé en ce qu'il comprend au moins deux moyens de remplissage ou de gonflage distincts, un premier moyen de gonflage (52) réalisant un gonflage à grand débit et à faible pression pour remplir sensiblement complètement le volume de ladite chambre à faible pression, et un deuxième moyen de gonflage (54) à faible débit mais à pression élevée pour obtenir ladite pression de gonflage prédéterminée dans ladite chambre.
- Appareil selon la revendication 8, caractérisé en ce que le premier moyen de gonflage précité (52) à grand débit comprend au moins une turbine ou miniturbine, avantageusement à air.
- Appareil selon la revendication 8 ou 9, caractérisé en ce que le deuxième moyen de gonflage (54) à faible débit à pression élevée comprend au moins un compresseur, avantageusement à air.
- Appareil selon l'une des revendications 8 à 10, caractérisé en ce que le fluide de gonflage précité est de l'air ce qui permet d'évacuer le fluide de gonflage directement dans l'atmosphère par les moyens d'évacuation (34), avantageusement le premier moyen de gonflage (52) comprend une miniturbine délivrant un grand débit d'air d'environ 350 l/min à une faible pression d'environ 8 mbars, et le deuxième moyen de gonflage (54) est constitué par un suppresseur de type turbine annulaire délivrant un faible débit d'environ 10 l/min à une pression élevée d'environ 40 mbars.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9700246A FR2758259B1 (fr) | 1997-01-13 | 1997-01-13 | Procede et appareil de gonflage rapide d'une chambre gonflable, en particulier une chambre d'un dispositif de support, tel qu'un matelas |
FR9700246 | 1997-01-13 | ||
PCT/FR1998/000038 WO1998030132A1 (fr) | 1997-01-13 | 1998-01-09 | Procede et appareil de gonflage rapide d'une chambre gonflable, en particulier une chambre d'un dispositif de support, tel qu'un matelas |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0961566A1 EP0961566A1 (fr) | 1999-12-08 |
EP0961566B1 true EP0961566B1 (fr) | 2003-10-08 |
Family
ID=9502538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98902054A Expired - Lifetime EP0961566B1 (fr) | 1997-01-13 | 1998-01-09 | Procede et appareil de gonflage rapide d'une chambre gonflable, en particulier une chambre d'un dispositif de support, tel qu'un matelas |
Country Status (10)
Country | Link |
---|---|
US (1) | US5944066A (fr) |
EP (1) | EP0961566B1 (fr) |
JP (1) | JP2001507967A (fr) |
AT (1) | ATE251409T1 (fr) |
AU (1) | AU5870098A (fr) |
BR (1) | BR9806748A (fr) |
CA (1) | CA2274949C (fr) |
DE (1) | DE69818802T2 (fr) |
FR (1) | FR2758259B1 (fr) |
WO (1) | WO1998030132A1 (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2751585B1 (fr) | 1996-07-24 | 2002-08-16 | Support Systems International | Produit multicouches a couche centrale electriquement conductrice utile comme element de capteur inductif |
FR2774573B1 (fr) * | 1998-02-09 | 2000-04-28 | Support Systems International | Procede et appareil de support d'un element a supporter, en particulier le corps d'un patient, a systeme integre d'equilibre dynamique et automatique de pression |
US6152169A (en) * | 1998-04-20 | 2000-11-28 | Gaymar Industries, Inc. | Pilot operated low pressure shut off valve |
US6224198B1 (en) * | 1999-04-13 | 2001-05-01 | Lexmark International, Inc. | Method and apparatus for refilling ink jet cartridges with minimum ink loss |
TW526056B (en) * | 2001-03-15 | 2003-04-01 | Huntleigh Technology Plc | Inflatable support |
US6488043B2 (en) | 2001-04-25 | 2002-12-03 | Gaymar Industries, Inc. | Valve system |
DE60323137D1 (de) * | 2002-11-12 | 2008-10-02 | Gray Tek Inc | Materialantrieb mit einem flüssigkeitsfilmspeicher |
WO2006012727A1 (fr) * | 2004-08-02 | 2006-02-09 | Infectio Recherche Inc. | Conception de sonde de capture pour hybridation efficace |
EP1893822A4 (fr) | 2005-06-10 | 2013-07-03 | Hill Rom Services Inc | Controle de vessie sous pression dans un dispositif support pour patients |
CA2648001C (fr) * | 2006-04-04 | 2014-12-09 | Robert B. Chaffee | Procede et appareil permettant de surveiller et regler la pression dans un dispositif gonflable |
US7849545B2 (en) | 2006-11-14 | 2010-12-14 | Hill-Rom Industries Sa | Control system for hospital bed mattress |
US7712171B2 (en) * | 2007-04-25 | 2010-05-11 | Hill-Rom Services, Inc. | Patient support including turn assist, low air loss, or integrated lateral transfer |
WO2009114822A2 (fr) | 2008-03-13 | 2009-09-17 | Chaffee Robert B | Procédé et appareil pour surveiller et réguler la pression dans un dispositif gonflable |
FR2974988B1 (fr) | 2011-05-12 | 2013-06-14 | Hill Rom Ind Sa | Dispositif de regulation de l'humidite et de la temperature a la surface d'un element de support |
US9468307B2 (en) | 2012-09-05 | 2016-10-18 | Stryker Corporation | Inflatable mattress and control methods |
TWM521954U (zh) * | 2015-12-03 | 2016-05-21 | Caremed Supply Inc | 氣墊床快速充氣裝置 |
EP3476380B1 (fr) | 2017-10-24 | 2020-05-13 | Hill-Rom Services, Inc. | Appareil d'assistance modulaire en virage et procédé associé |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5575627A (en) * | 1995-01-12 | 1996-11-19 | Hyvair Corporation | High and low pressure two stage pump and pumping method |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5403417A (en) * | 1993-07-22 | 1995-04-04 | Technical Chemical Company | Tire sealing methods and related apparatus |
FR2718347B1 (fr) * | 1994-04-06 | 1996-06-28 | Support Systems International | Procédé et appareil de support d'un élément à supporter, en particulier le corps d'un patient permettant un support à une profondeur d'enfoncement contrôlée. |
-
1997
- 1997-01-13 FR FR9700246A patent/FR2758259B1/fr not_active Expired - Lifetime
-
1998
- 1998-01-09 BR BR9806748-6A patent/BR9806748A/pt not_active Application Discontinuation
- 1998-01-09 JP JP53060598A patent/JP2001507967A/ja not_active Ceased
- 1998-01-09 US US09/004,772 patent/US5944066A/en not_active Expired - Lifetime
- 1998-01-09 AT AT98902054T patent/ATE251409T1/de not_active IP Right Cessation
- 1998-01-09 CA CA002274949A patent/CA2274949C/fr not_active Expired - Fee Related
- 1998-01-09 WO PCT/FR1998/000038 patent/WO1998030132A1/fr active IP Right Grant
- 1998-01-09 EP EP98902054A patent/EP0961566B1/fr not_active Expired - Lifetime
- 1998-01-09 AU AU58700/98A patent/AU5870098A/en not_active Abandoned
- 1998-01-09 DE DE69818802T patent/DE69818802T2/de not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5575627A (en) * | 1995-01-12 | 1996-11-19 | Hyvair Corporation | High and low pressure two stage pump and pumping method |
Also Published As
Publication number | Publication date |
---|---|
ATE251409T1 (de) | 2003-10-15 |
JP2001507967A (ja) | 2001-06-19 |
CA2274949A1 (fr) | 1998-07-16 |
BR9806748A (pt) | 2000-03-14 |
DE69818802D1 (de) | 2003-11-13 |
DE69818802T2 (de) | 2004-09-30 |
AU5870098A (en) | 1998-08-03 |
FR2758259B1 (fr) | 1999-04-02 |
WO1998030132A1 (fr) | 1998-07-16 |
FR2758259A1 (fr) | 1998-07-17 |
US5944066A (en) | 1999-08-31 |
EP0961566A1 (fr) | 1999-12-08 |
CA2274949C (fr) | 2006-06-13 |
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