EP1009263B1 - Verfahren und vorrichtung zum stützen eines körpers, insbesondere eines patienten mit einer vorgewählten einsinktiefe - Google Patents

Verfahren und vorrichtung zum stützen eines körpers, insbesondere eines patienten mit einer vorgewählten einsinktiefe Download PDF

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Publication number
EP1009263B1
EP1009263B1 EP97952969A EP97952969A EP1009263B1 EP 1009263 B1 EP1009263 B1 EP 1009263B1 EP 97952969 A EP97952969 A EP 97952969A EP 97952969 A EP97952969 A EP 97952969A EP 1009263 B1 EP1009263 B1 EP 1009263B1
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EP
European Patent Office
Prior art keywords
measurement
supported
reaction
patient
chamber
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EP97952969A
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English (en)
French (fr)
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EP1009263A1 (de
EP1009263B9 (de
Inventor
Jean-Luc Caminade
Jean-Marc Résidence Las Rébès MONTANT
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Hill Rom Industries SAS
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Hill Rom Industries SAS
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    • 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
    • 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
    • A61G2203/00—General characteristics of devices
    • A61G2203/30—General characteristics of devices characterised by sensor means
    • A61G2203/34—General characteristics of devices characterised by sensor means for pressure
    • 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
    • A61G2203/00—General characteristics of devices
    • A61G2203/30—General characteristics of devices characterised by sensor means
    • A61G2203/40—General characteristics of devices characterised by sensor means for distance

Definitions

  • the invention relates to a method and an apparatus for supporting a element to be supported, in particular of a patient's body, allowing a support to the balance of the element to be supported, essentially corresponding to a line of floatation thereof predetermined.
  • a device for supporting an element to be supported, in particular the body of a patient who must be bedridden or immobilized for a period of time extended, usually mainly known as a mattress, is fine known. It is also well known that bed rest or immobilization prolonged period leads to complications, including pressure sores.
  • EP-A-676 158 a method and a system for supporting an element to be supported, in particular the body of a patient, allowing support at a depth of controlled sinking, essentially constant using a measurement of the insertion distance different from the previous document by the fact that the measuring means comprise on the one hand a metallic element under shape of a thin sheet placed towards the upper face of the support element cooperating with at least one inductive device forming a position detector secured to the underside of the support element.
  • a slaving of the filling or deflating of the chamber of the element of support is provided to lead to the predetermined insertion distance, and whatever the weight of the element to be supported, in particular the body of a patient.
  • the present invention aims to solve the new technical problem consisting in providing a solution which allows support an element to be supported, in particular the body of a patient, essentially a position of natural equilibrium which corresponds substantially to a waterline that is preferably defined beforehand.
  • the invention also aims to solve this new problem technique in particular in the context of patient support, in order to obtain the expected performance in terms of prevention or treatment of complications from bed rest or prolonged immobilization, and particularly depending on the morphological characteristics of the part apparent submergence, including weight and body surface, plus generally the weight and the surface of the element to support.
  • the main object of the present invention is also to resolve the new technical problem consisting in providing a solution which allows to analyze and control the sinking of an element to be supported, in particularly the body of a patient, in the support device and the reaction of said support device exerted on the element to be supported, in particular the body of a patient, so that optimal pressures are applied to the surface body in contact with the support device, which is particularly sought in the prevention and treatment of complications related to prolonged bed rest and immobilization, especially bedsores.
  • the present invention provides for the first time a solution to all the technical problems previously stated in a simple manner, inexpensive, safe and reliable, easy to use and usable on a scale industrial and medical.
  • the present invention provides a method of supporting an element to be supported, in particular the body of a patient, comprising the provision of at least one support device comprising at least a closed or flexible, inflatable, controlled-exhaust chamber, said chamber having an upper face and a lower face; filling means or evacuation of a filling fluid from said chamber being provided as well as means for measuring the distance separating said upper face relative to said lower face, characterized in that a device is further provided measuring the response of the support device to the data of the element to be supported, characterized in that one proceeds to the measurement of the driving distance of the element to be supported in the device support, we measure the reaction of the support device to the penetration of the element to be supported comprising measuring the pressure in said chamber said measured driving distance and these two measurements are combined to bring the element to be supported substantially to the corresponding equilibrium substantially at a predetermined waterline.
  • the aforementioned combination of distance measurement sinking and measuring the reaction of the support device includes a summation of these two values.
  • this method is characterized in that that the above summation consists of a summation of the distance value and the pressure value in the chamber.
  • this method is characterized in that that the above combination of driving distance value and reaction measurement is compared to a reference value characterizing the value of the driving force of the element to be supported corresponding substantially to the predetermined water line of said element to be supported.
  • this method is characterized in that that the aforementioned predetermined reference value defining the equilibrium substantially corresponding to the waterline is fixed to achieve the expected performance in terms of prevention or treatment of the patient, particularly complications related to bed rest or immobilization prolonged, including pressure sores.
  • this method is characterized in that that the operation of the filling or evacuation means is controlled results of the above combination of driving distance and measurement of the reaction of the support device. results of the above combination of driving distance and measurement of the reaction of the support device.
  • a support device or mattress comprising a multitude of cushions or sausages which can be deflated alternately individually, sequentially, in particular one carries out a sequential deflation one on two, one on three or one on four or one in n, thereby avoiding relatively high pressures to the different parts of the element to be supported, in particular the body of a which are detrimental to the treatment and comfort of certain types of Patients, especially patients who have had a skin transplant or patients being subject to acute pain following certain diseases.
  • the present invention also provides a device for supporting an element to be supported, in particular the body of a patient, comprising at least one support device comprising at least one chamber closed or controlled, flexible, inflatable exhaust, said chamber having a upper face and lower face, filling or discharge means a fluid for filling said chamber as well as means for measuring the distance separating said upper face relative to said lower face, characterized in that it further comprises a device for measuring the reaction of the support device relative to the morphological data of the element to support including a device for measuring the pressure in the chamber support device at the measured insertion distance, a control comprising means for combining distance measurement of penetration provided by the measuring device and measuring the reaction supplied by the reaction measurement device, to bring the element to be supported substantially at equilibrium corresponding substantially to a waterline predetermined.
  • the combination device of the control system performs the summation of the penetration distance measurement with the measurement of the reaction provided by the reaction measurement device.
  • this device is characterized in that that the combination device is connected to a comparison device which performs a comparison of the combination value provided by the combination with a reference value provided by a reference device, this reference value characterizing the equilibrium depression value of the element to be supported corresponding substantially to the waterline predetermined element to support.
  • this device is characterized in what the aforementioned reference value predetermined and defining the balance substantially corresponding to the waterline is fixed to achieve the expected performance of prevention or treatment of the patient, particularly complications related to bed rest or immobilization prolonged, including pressure sores.
  • this device is characterized in what it includes a servo device realizing a servo of the operation of the filling or evacuation means as a result of the Aforementioned combination of the driving distance and the measurement of the reaction of the measuring device.
  • the device is characterized in that it comprises a support device or mattress comprising a multitude of cushions or tubes which can be deflated alternately individually, sequentially, including one in two, one in three, one in four or one in n.
  • FIGS. 1 to 5 form an integral part of the present invention and therefore of this description.
  • FIG. 10 an embodiment currently preferred of a support apparatus according to the present invention is represented by the general reference number 10.
  • This support device can support a element, in particular as shown, the body of a patient P1 or the body of a other patient P2 with different morphological characteristics.
  • This device 10 comprises a support device proper 11 comprising at least one closed or controlled exhaust chamber 11a, flexible, inflatable, which can for example be composed of a multiplicity of inflatable tubes communicating with each other, said chamber 11a being inflatable by means of filling represented by the number of general reference 50, for example constituted by pumping means allowing the pumping of a filling fluid in said chamber.
  • This chamber 11a has an upper face 12 serving to support the element to support P1 or P2, a lower face 13 which can, for example, rest indirectly on a box spring (not shown here) or equivalent means.
  • the filling means 50 such as means pump allow to fill the chamber 11a with a filling fluid such as a gas, in particular air, or a liquid, in particular water.
  • a filling fluid such as a gas, in particular air, or a liquid, in particular water.
  • Means 52 for discharging fluid from the chamber, such as a valve are also provided.
  • This apparatus also includes means 21 for measuring the distance d separating the upper face 12 relative to the lower face 13 of the room 11a.
  • the apparatus further comprises a device 30 for measuring the reaction of the support device 11 relative to the data of the element to be supported P1 or P2, as well as a control comprising, in the context of the invention, means 42 for combination of the driving distance measurement provided by the measurement 20 with the measurement of the reaction provided by the measurement device reaction 30.
  • control system 40 comprising the combination device 42 uses the result of the combination of these two measures to bring the element to support P1 or P2 substantially to equilibrium substantially corresponding to the predetermined water line referenced LF, by action on the filling 50 or evacuation 52 means as defined more far.
  • the reaction measurement device 30 comprises a device for measure 43 of the pressure p in the chamber 11a at the insertion distance measured d.
  • the combination device 42 of the control system 40 performs the summation of the penetration distance measurement d with the reaction measurement supplied by the reaction measuring device 30, in particular of the pressure supplied by the pressure measuring device 43.
  • the combination device 42 is connected to a comparison device 46 which performs a comparison of the combination value provided by a combination 42 with a reference value provided by a reference device 45, this reference value characterizing the equilibrium depression value of the element to be supported P1 or P2 corresponding substantially to the waterline LF predetermined of this element to support P1 or P2.
  • Comparator 46 compares the combination value obtained supplied by the combination device 42 with the reference value provided by the reference device 45 and in case the result of this comparison is different from 0, the comparison device 46 transmits a information to a servo device, comprising for example here a stage of proportional integral regulation 47 and a control device properly dit 48, realizing the filling or evacuation of the room 11a, respectively by controlling the filling means 50, or by the control of the discharge valve 52.
  • a servo device comprising for example here a stage of proportional integral regulation 47 and a control device properly dit 48, realizing the filling or evacuation of the room 11a, respectively by controlling the filling means 50, or by the control of the discharge valve 52.
  • the device 20 for measuring the driving-in distance d can include a metal sheet 21 integral in displacement of the face upper 12 of the support device 11 cooperating here with a variator element impedance 22 such as for example an induction choke, itself cooperating again here with a shielding element 24 such as a shielding inductor intended to ensure the independence of the measurement from mass surrounding metal, the position of the impedance dimming element and the shielding element being fixed, here outside the chamber 11a, and having also a fixed position relative to the underside 13 of the chamber 11a, which makes it possible to measure the variable distance d between the metal sheet 21 of variable position and the impedance variator element 22 of fixed position.
  • a variator element impedance 22 such as for example an induction choke
  • a shielding element 24 such as a shielding inductor intended to ensure the independence of the measurement from mass surrounding metal
  • the position of the impedance dimming element and the shielding element being fixed, here outside the chamber 11a, and having also a fixed position relative to the underside 13
  • impedance variator element 22 as well as the element shield 24 here form an integral part of a measurement bridge 200 which is shown in detail in Figure 4 and which is part of an electronic circuit that can be clearly seen at Figure 4 and which will be described in detail below.
  • the oscillator 100 generates a sinusoidal signal maintained by the transistor 1001, the frequency of which is fixed by the inductive impedance of the measurement system 41 in parallel with the capacitive impedance of the oscillator produced by elements 1002 & 1003.
  • the measurement bridge 200 When the metal sheet 21, such as an aluminum sheet is at most close to the impedance variator element 22, here a measurement reactor 22, the measurement bridge 200 is in equilibrium.
  • the sinusoidal signal entering the bridge at points 2 & 4 is evenly distributed in the branches of the measurement bridge because here the measurement reactors 22 and shielding 24 have the same impedance
  • the signal between points 1 & 3 of the bridge is zero.
  • This sinusoidal signal is transformed into a DC voltage by the diode 414 and capacitor 415 via an impedance adapter 413.
  • the reference device 45 The reference device 45
  • a fixed voltage reference which is generated by the operational amplifier 450, serves as a reference for the treatment of the regulation system.
  • the variations in pressure are the image of the reaction of the support compared to the depression of the patient whose electrical image is provided by self 22 measurement integrated in a measuring device 41 comprising the measuring bridge 200 described above.
  • Elements 432, 433, 434 amplify this signal to give it a value consistent with the signal supplied by the measurement of device 41 at self 22 integrated into bridge 200.
  • 435 is an impedance adapter.
  • the adjustment setpoint device 44 gives a continuous voltage which is adjusted using potentiometer 440. This setting is intended to compensate possible dispersions.
  • a summator 42 produced with an operational amplifier 420 gives its output a voltage equal to the sum of the three DC voltages processed by 41, 43, 44. At the equilibrium point, this sum is equal to the incoming reference voltage in the differential amplifier stage 46 described later
  • the differential amplifier 46 The differential amplifier 46
  • a differential amplifier 46 produced with an operational amplifier 460 gives at its output a voltage equal to 2 times the reference voltage minus the summing output voltage 42. At the regulation point this voltage is equal to the reference voltage. If the system is not at its equilibrium point, the output is equal to the reference voltage +/- the voltage proportional to the deviation.
  • the proportional / integral regulation device 47 serves to amplify the difference measured in 46 while delaying the sudden variations of these deviations in order to avoid pumping phenomena or untimely changes operating status.
  • 471 measures the difference
  • 470 is an integrator that delays variations in this gap.
  • the outputs of these two elements enter at 472 which amplifies the difference in proportion to its duration.
  • the device for controlling the filling or evacuation means 48 is the device for controlling the filling or evacuation means 48
  • the control device 48 comprises two window comparators which define a low lift range 480 and a high lift range 481. These two ranges of lift overlap. The area common to both ranges is the optimum lift zone and corresponds to the output value of 47.
  • exit "A” of 480 changes state and logic system 482 starts filling via the command 484 which actuates the pumping means 50.
  • exit "B" of 481 changes state and the logic system 483 starts evacuation via command 485 which activates the drain valve 52.
  • FIG. 5 there is shown an embodiment particularly interesting of the invention and which finds application in the context alternating inflation, in English "alternating pressure mode", with a device support or mattress comprising a multitude of cushions or tubes 111, 112, 113, 114 to 129 which can be deflated alternately individually, sequentially.
  • This sequential deflation can be performed one in two, one in three, or one in four as shown in Figure 4 for cushions or pillows 114, 118, 122, 126, or even one in five or one in n.
  • the invention which makes it possible to find a balance of support substantially along the line of flotation, provides a decisive advantage by avoiding pressures relatively high to the different parts of the body that are detrimental to a from the point of view of care, for example in the case of skin grafts, or from a point view of comfort.
  • the invention makes it possible, in fact, by obtaining a balance noticeably permanent on the waterline maintaining pressure lower than the non-vascular pressure during the phases where the tissues undergo the pressure exerted by the therapeutic surface during operation alternating or "altemating" of the type shown in FIG. 5.

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  • 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)
  • Radiation-Therapy Devices (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Claims (15)

  1. Verfahren zur Auflage eines abzustützenden Elements, insbesondere des Körpers eines Patienten, umfassend das Vorsehen mindestens einer Auflageeinrichtung (11) mit mindestens einer nachgiebigen, aufblasbaren geschlossenen oder mit kontrolliertem Auslass versehenen Kammer (11a), welche Kammer eine Oberseite (12) und eine Unterseite (13) besitzt, wobei Mittel zum Füllen (50) oder Entleeren (52) eines Füllfluids der Kammer sowie Mittel (21) zur Messung des die Oberseite von der Unterseite trennenden Abstands vorgesehen sind, dadurch gekennzeichnet, dass weiters eine Einrichtung (30) zur Messung der Reaktion der Auflageeinrichtung auf die morphologische Merkmale des abzustützenden Elements, enthaltend die Messung des Drucks (p) in der Kammer bei der gemessenen Einsinktiefe (d), vorgesehen wird, die Messung der Einsinktiefe des abzustützenden Elements in der Auflageeinrichtung vorgenommen wird, die Reaktion der Auflageeinrichtung auf das Einsinken des abzustützenden Elements gemessen wird und diese beiden Messungen kombiniert werden, um das abzustützende Element im Wesentlichen in das im Wesentlichen einer vorbestimmten Schwebelinie entsprechende Gleichgewicht zu bringen.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die genannte Kombination von Messung der Einsinktiefe (d) und Messung der Reaktion der Auflageeinrichtung eine Summierung dieser beiden Werte umfasst.
  3. Verfahren nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass die Kombination aus einer Summierung des Werts der Einsinktiefe und des Druckwerts in der Kammer besteht.
  4. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die genannte Kombination von Einsinktiefewert und Reaktionsmesswert mit einem Referenzwert verglichen wird, der den Gleichgewichtswert des Einsinkens des abzustützenden Elements charakterisiert, welcher im Wesentlichen der vorbestimmten Schwebelinie des abzustützenden Elements entspricht.
  5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass der vorbestimmte Referenzwert, der im Wesentlichen das der Schwebelinie entsprechende Gleichgewicht definiert, auf einen Wert festgelegt wird, der für die auf die mit der Auflageeinrichtung in Kontakt stehende Körperoberfläche aufgebrachten optimalen Drücke charakteristisch ist, um die hinsichtlich Prävention oder Behandlung des Patienten, im Besonderen Komplikationen in Verbindung mit Bettlägerigkeit oder längerer Unbeweglichkeit, insbesondere Schorf, erwarteten Leistungen zu realisieren.
  6. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Betrieb der Aufblaseinrichtung in Abhängigkeit von den Ergebnissen der vorgenannten Kombination von Einsinktiefe und Messung der Reaktion der Auflageeinrichtung geregelt wird.
  7. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine Auflageeinrichtung (11) oder Matratze mit einer Mehrzahl von Kissen oder Wulstelementen vorgesehen wird, die alternativ einzeln nacheinander aufgeblasen werden können, insbesondere jedes zweite, dritte oder vierte oder auch n-te.
  8. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das abzustützende Element der Körper eines Patienten, insbesondere eines Patienten mit einer Hauttransplantation oder eines Patienten mit Hautverletzungen wie Schorf ist.
  9. Vorrichtung zur Auflage eines abzustützenden Elements, insbesondere des Körpers eines Patienten, welche mindestens eine Auflageeinrichtung (11) mit mindestens einer nachgiebigen, aufblasbaren geschlossenen oder mit kontrolliertem Auslass versehenen Kammer (11a), welche Kammer eine Oberseite (12) und eine Unterseite (13) besitzt, Mittel zum Füllen (50) oder Entleeren (52) eines Füllfluids der Kammer sowie Mittel (21) zur Messung des die Oberseite von der Unterseite trennenden Abstands aufweist, dadurch gekennzeichnet, dass sie weiters eine Einrichtung (30) zur Messung der Reaktion der Auflageeinrichtung auf die morphologischen Merkmale des abzustützenden Elements mit einer Einrichtung (43) zur Messung des Drucks in der Kammer (11a) der Auflageeinrichtung bei der gemessenen Einsinktiefe sowie ein Steuersystem (40) mit Kombiniermitteln (42) zur Kombination der von der Abstandsmesseinrichtung (30) gelieferten Messung der Einsinktiefe und der von der Reaktionsmesseinrichtung gelieferten Reaktionsmessung aufweist, um das abzustützende Element im Wesentlichen in das im Wesentlichen einer vorbestimmten Schwebelinie entsprechende Gleichgewicht zu bringen.
  10. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass die Kombinationseinrichtung (42) des Steuersystems (40) die Summierung der Einsinktiefenmessung und der von der Reaktionsmesseinrichtung gelieferten Reaktionsmessung durchführt.
  11. Vorrichtung nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass die Kombinationseinrichtung (42) an eine Vergleichseinrichtung (46) angeschlossen ist, die einen Vergleich des von der Kombinationseinrichtung (42) gelieferten Kombinationswerts mit einem von einer Referenzeinrichtung (45) gelieferten Referenzwert durchführt, wobei der Referenzwert den Wert des Einsinkgleichgewichts des abzustützenden Elements entsprechend im Wesentlichen der vorbestimmten Schwebelinie dieses abzustützenden Elements charakterisiert.
  12. Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass der vorbestimmte Referenzwert, der das Gleichgewicht entsprechend im Wesentlichen der Schwebelinie definiert, auf einen Wert festgelegt ist, der für die auf die mit der Auflageeinrichtung in Kontakt stehende Körperoberfläche aufgebrachten optimalen Drücke charakteristisch ist, um die hinsichtlich Prävention oder Behandlung des Patienten, im Besonderen Komplikationen in verbindung mit Bettlägerigkeit oder längerer Unbeweglichkeit, insbesondere Schorf, erwarteten Leistungen zu realisieren.
  13. Vorrichtung nach einem der Ansprüche 9 bis 12, dadurch gekennzeichnet, dass sie eine Regeleinrichtung (47, 48) aufweist, die eine Regelung des Betriebs der Füll- oder Entleermittel in Abhängigkeit vom Ergebnis der Kombination von Einsinktiefe und Messung der Reaktion der Auflageeinrichtung gewährleistet.
  14. Vorrichtung nach einem der Ansprüche 9 bis 13, dadurch gekennzeichnet, dass eine Auflageeinrichtung (11) oder Matratze mit einer Mehrzahl von Kissen oder Wulstelementen vorgesehen ist, die alternativ einzeln nacheinander aufgeblasen werden können, insbesondere jedes zweite, dritte oder vierte oder auch n-te.
  15. Verfahren nach einem der Ansprüche 9 bis 14, dadurch gekennzeichnet, dass das Auflageelement eine den Körper eines Patienten, insbesondere eines Patienten mit einer Hauttransplantation oder eines Patienten mit Hautverletzungen wie Schorf abstützende Matratze ist.
EP97952969A 1996-12-23 1997-12-22 Verfahren und vorrichtung zum stützen eines körpers, insbesondere eines patienten mit einer vorgewählten einsinktiefe Expired - Lifetime EP1009263B9 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9615848 1996-12-23
FR9615848A FR2757377B1 (fr) 1996-12-23 1996-12-23 Procede et appareil de support d'un element a supporter, en particulier le corps d'un patient permettant un support a une ligne de flottaison predeterminee
PCT/FR1997/002376 WO1998027849A1 (fr) 1996-12-23 1997-12-22 Procede et appareil de support d'un element a supporter, en particulier le corps d'un patient permettant un support a une ligne de flottaison predeterminee

Publications (3)

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EP1009263A1 EP1009263A1 (de) 2000-06-21
EP1009263B1 true EP1009263B1 (de) 2003-07-02
EP1009263B9 EP1009263B9 (de) 2004-08-04

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EP97952969A Expired - Lifetime EP1009263B9 (de) 1996-12-23 1997-12-22 Verfahren und vorrichtung zum stützen eines körpers, insbesondere eines patienten mit einer vorgewählten einsinktiefe

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Country Link
US (1) US6009580A (de)
EP (1) EP1009263B9 (de)
JP (2) JP2001506892A (de)
AT (1) ATE243966T1 (de)
AU (1) AU5667698A (de)
BR (1) BR9714052A (de)
CA (1) CA2274951C (de)
DE (1) DE69723319T2 (de)
FR (1) FR2757377B1 (de)
WO (1) WO1998027849A1 (de)

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CA2274951C (fr) 2006-08-15
JP2001506892A (ja) 2001-05-29
JP2007307393A (ja) 2007-11-29
CA2274951A1 (fr) 1998-07-02
ATE243966T1 (de) 2003-07-15
EP1009263A1 (de) 2000-06-21
US6009580A (en) 2000-01-04
FR2757377A1 (fr) 1998-06-26
WO1998027849A1 (fr) 1998-07-02
BR9714052A (pt) 2000-05-09
DE69723319D1 (de) 2003-08-07
AU5667698A (en) 1998-07-17
DE69723319T2 (de) 2004-04-22
FR2757377B1 (fr) 1999-03-12
EP1009263B9 (de) 2004-08-04

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