EP4120984A1 - Wechseldruckunterlage und patientenbett sowie betriebsverfahren - Google Patents
Wechseldruckunterlage und patientenbett sowie betriebsverfahrenInfo
- Publication number
- EP4120984A1 EP4120984A1 EP21720678.8A EP21720678A EP4120984A1 EP 4120984 A1 EP4120984 A1 EP 4120984A1 EP 21720678 A EP21720678 A EP 21720678A EP 4120984 A1 EP4120984 A1 EP 4120984A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- elements
- support
- support elements
- guide
- pressure pad
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
-
- 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
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/005—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame tiltable around transverse horizontal axis, e.g. for Trendelenburg position
-
- 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
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/018—Control or drive mechanisms
-
- 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
- A61G7/0573—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with mattress frames having alternately movable parts
-
- 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
- A61G2200/00—Information related to the kind of patient or his position
- A61G2200/30—Specific positions of the patient
- A61G2200/32—Specific positions of the patient lying
-
- 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
- A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
-
- 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
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
Definitions
- the present invention relates to an alternating pressure pad, a patient bed with such an alternating pressure pad and a method for operating such an alternating pressure pad.
- decubitus In the home and / or professional care of bedridden patients, the problem of bed sores (so-called decubitus) can arise. This results in local damage to the skin and the underlying tissue due to the prolonged pressure load, which disrupts the blood circulation in the skin.
- Deku bitus mattresses also known as anti-decubitus mattresses
- these mattresses can have an alternating pressure system with which parts of the body can alternately be loaded and relieved in order to avoid permanent circulatory disorders.
- These alternating pressure systems usually include several air chambers, which can be specifically charged with air or in which the air pressure can be adjusted. It is an object of the present invention to provide an alternative to known anti-decubitus systems.
- an object of the invention to further improve the prevention of bedsores and / or the treatment of the symptoms, in particular to increase their effectiveness.
- This object is achieved by an alternating pressure pad and a patient bed with such an alternating pressure pad as well as a method for operating such an alternating pressure pad according to the independent claims.
- An alternating pressure pad in particular for preventing bedsores, according to a first aspect of the invention has a plurality of support elements, in particular one behind the other along a longitudinal direction.
- the alternating printing pad also has a guide arrangement with two guides arranged opposite one another in a transverse direction and extending in the longitudinal direction.
- the support elements are movably mounted at opposite ends.
- a movable mounting within the meaning of the invention is to be understood, in particular, that the support elements along the longitudinal direction, i. H. in the longitudinal direction and / or against the longitudinal direction, in particular translationally, can be moved NEN.
- One aspect of the invention is based on the approach to provide a change printing pad with support elements that preferably define a bed surface of the alternating pressure pad and with the help of a guide arrangement of two guides along a longitudinal direction z. B. can be moved through under a patient lying on the alternating pressure pad.
- the preferably extending in egg ner transverse direction support elements when moving relative to the patient z. B. roll or slide under the patient. This enables a constant or at least intermittent change in the contact pressure. In this way, bedsores can be effectively counteracted or If the pressure ulcer has already occurred, the symptoms can be prevented or at least delayed.
- the support elements are preferably designed to support the patient.
- Each support element is preferably movably supported at its two opposite ends in the two guides arranged opposite one another in a transverse direction running transversely to the longitudinal direction. This allows the weight of the patient to be taken up by the guides.
- the guides preferably run in the longitudinal direction, so that the support elements can be moved in and / or against the longitudinal direction.
- the support points can change essentially continuously or at least intermittently along the patient's body, in order not only to avoid or at least reduce circulatory disorders, but also to promote blood circulation in the skin, in particular venous function. In particular, blood vessels can even be smeared.
- This stimulation of blood flow can also counteract a thrombosis.
- the alternating pressure pad also enables thrombosis prophylaxis and an improvement in lymphatic drainage.
- the diameter of the support elements and the spacing between the individual support elements, in particular along the longitudinal direction can be selected relative to one another as a function of the patient's size and / or the patient's weight.
- These support element diameters and these support element spacings are preferably selected in such a way that comfortable support of the body weight is achieved, but at the same time completely relieves sufficient pressure on skin areas and thus blood circulation. be switched. These effects can be achieved, for example, with the help of support element diameters that have a length in the longitudinal direction between 2 cm and 20 cm, preferably between 5 cm and 10 cm, in particular around 6 cm, with the support element spacing between 5 cm and 45 cm cm, preferably between 10 cm and 25 cm, in particular about 15 cm.
- the alternating pressure pad can be used as a "slatted frame" to place a patient at risk of deku bitus on it , Car seat and / or the like.
- such an alternating pressure pad can also be used, for. B. be used in long-lasting operations as a leg pad or as a pad for the entire body, for example to ensure adequate blood flow to the legs and / or other body parts.
- the support elements each have a support roller which is mounted freely rotatable about an axis of rotation aligned parallel to the transverse direction.
- a free rotation of a support roller is to be understood here in particular as meaning that the support roller can rotate freely independently of another, for example translational, movement, in particular a movement in and / or counter to the longitudinal direction.
- the support rollers can move in and / or against the longitudinal direction, for. B. on the patient or on a support element cover.
- This rolling movement enables an essentially continuous or at least intermittent change in the support points along the patient's body. At the same time, the rolling movement allows the support elements to be moved under the patient with little force.
- the support roller diameter is preferably selected as a function of the patient's size and / or weight.
- the support roller diameter can, for. B. between 2 cm and 20 cm, preferably between 5 cm and 10 cm, in particular about 6 cm.
- the support elements can also each have a sliding element which is designed to slide under the patient.
- the sliding elements preferably each have a sliding surface. At least the sliding surface can have a material with a low coefficient of friction, e.g. B. be made of Teflon.
- the alternating pressure base can be made simpler and more robust.
- each of the support elements has a roller at the opposite ends for movable mounting in the respective guide on.
- Each roller is in a preferred manner, in particular relative to the support roller, freely rotatably mounted about an axis of rotation aligned parallel to the transverse direction.
- the rollers can each be arranged coaxially with the support rollers, but rotate independently of them.
- the support elements each have an axle element that serves as a seat for the support roller and / or two rollers, in particular on the outside is trained.
- the guides and rollers are preferably designed such that a roller is supported by one of the guides and can roll in the guide, for example on a running surface.
- the friction that occurs during the movement of the support elements can be considerably reduced.
- the support elements can be stored in the guides with the aid of the rollers at least almost without friction. This makes it possible to reduce the power or force required to move the support elements relative to the guides or the patient supported by the support rollers.
- the support elements can also be set up for sliding support in the two oppositely arranged guides.
- the Stauerele elements can have sliding sections at their two opposite ends.
- the sliding portions preferably have a mate rial with a small coefficient of friction, for. B. Teflon.
- the support elements can be manufactured more easily and are more robust or less prone to failure.
- the guides can roll the barrel or at least partially enclose the sliding sections.
- Each of the two guides can in particular, at least in sections, be channel-like and / or formed by a recess in a slat-like guide element extending in the longitudinal direction, for example to at least reduce the risk of the support elements jumping out of the guides. As a result, the operational reliability can be further increased.
- two adjacent, in particular adjacently arranged, support elements are movably connected to one another by a connecting element each at the two opposite ends, in particular operatively connected and / or chain-like.
- a connecting element can be provided in the areas at the two opposite ends of the support elements for connecting two adjacent support elements.
- the support elements can be connected in the manner of a chain in particular, or a chain can be formed. As a result, a (driving) force can be transmitted between the support elements, for example to move the support elements along the guides.
- the connecting elements are preferably each arranged between tween the support roller or the sliding element on the one hand and egg ner roller on the other hand.
- the connecting elements can be slipped onto the axle elements, for example. This prevents the connecting elements from hindering a movement of the support elements in and / or against the longitudinal direction, for example by getting caught or wedged in the guides.
- two adjacent support elements are elastically connected to one another.
- adjacent support elements can be verbun with one another by means of spring connection elements, for example.
- the connection elements described above can be elastic, ie, for example, as spring connection elements.
- An elastic connection of the support elements makes it possible, for example, to compensate for changes in the length of the alternating pressure pad or at least in the length of the path of the support elements, for example when setting up a head and / or foot section and or when the support elements sag due to elastically formed or at least elastically mounted guides.
- the alternating pressure pad has a prestressing arrangement which is designed to clamp the connections between the support elements before or at least to maintain a prestress between the support elements.
- the biasing arrangement can for this purpose a first part of the guide arrangement, e.g. B. a driving wheel, especially in the longitudinal direction, movable re relative to another second part of the guide assembly la like.
- the prestressing arrangement can be designed to prestress the movably mounted first part in or against the longitudinal direction relative to the second part of the mecanicsanord voltage, d. H. to push away in or against the longitudinal direction of the second part of the guide arrangement. This makes it possible, for example, to achieve a particularly uniform spacing of the support elements in the longitudinal direction.
- the pretensioning arrangement can have a cylinder which houses a pretensioning means.
- the prestressing means is preferably set up to push a prestressing rod movably mounted relative to the cylinder out of the cylinder.
- That Biasing means can be formed, for example, as biasing the biasing element, in particular as a compression spring, which is preferably biased between an end of the biasing rod arranged in the cylinder and a cylinder base.
- the prestressing means is a pressurized gas which presses against the prestressing rod, which is then preferably designed like a piston.
- the prestressing rod is preferably coupled to at least part of the support elements or the first part of the guide arrangement, in particular at a head or foot end of the alternating printing pad, so that the prestress generated by the prestressing means can be transferred to the connections between the support elements.
- each of the two guides has a plurality of guide elements, at least some of which are arranged to be movable relative to one another, in particular along the longitudinal direction.
- the guide elements of a guide can, for example, be movably connected to one another, in particular in such a way that two adjacent guide elements can be tilted relative to one another about a tilt axis parallel to the transverse direction.
- At least a part or section of the two guides can be designed to be deformable or deformable, so that the support elements guided by the two oppositely arranged guides not only along the longitudinal direction, but at least slightly also perpendicular to it, in particular perpendicular to the can be deflected by the lying surface of the alternating pressure pad defined by the support elements arranged one behind the other along the longitudinal direction.
- This can increase the lying comfort.
- a uniform pressure load on the patient's body can be achieved, whereby the risk of pressure ulcers can be further reduced.
- each of the two guides are connected to one another by a track.
- Each of the two raceways is preferably as, for. B. 5 mm thick, formed from tape and has a tread on which the rollers of the support elements can roll.
- Such raceways can give the guide arrangement a certain dimensional stability and at the same time allow seamless movement of the support elements at their opposite ends, in particular the rollers, at the transition between two guide elements.
- the tracks can be made of Teflon and / or extend from a foot end of the alternating pressure pad to a head end of the alternating pressure pad.
- At least some of the guide elements of each of the two guides are elastically supported. For example, at least part of the
- Guide elements can be mounted in such a way that the support elements guided by the guides can be steered perpendicular to the lying surface. As a result, the lying comfort for a patient can be further increased. In particular, a uniform pressure load on the patient's body can be achieved.
- the guide arrangement has a plurality of spring elements which each support one of the guide elements.
- the alternating pressure pad can have a particularly rigid, preferably frame-like, support frame which carries at least part of the guide arrangement, in particular the elastically mounted part of the guide elements of each of the two guides.
- the spring elements are preferably arranged between the elastically mounted part of the guide elements and the support frame.
- the support frame is formed by another part of the guide arrangement, in particular by the rigid guides of a return.
- the spring elements can store the individual guide elements of a forward against the return elastically.
- the spring elements each have a first fastening arrangement and at least some of the guide elements each have a second fastening arrangement.
- the spring elements are detachably fastened non-destructively, in particular without tools, at least to the part of the guide elements, which each have a second fastening arrangement.
- the spring elements can be replaced if necessary, for example if they are defective or at least if they show signs of wear. It is also conceivable to select spring elements with a stiffness tailored to the patient and thus to mount the guide elements elastically in order to avoid excessive or insufficient deflection of the guide elements and thus also the support elements perpendicular to the bed surface.
- the first and second fastening arrangements are preferably designed in such a way that the spring elements can be fastened to the guide elements with the aid of a form fit.
- the first and second attaching arrangements can in particular be designed to be complementary to one another.
- the first fastening arrangements can, for example, have recesses or indentations into which projections or bulges or projections of the second fastening arrangements can engage. In this way, individual or all spring elements can easily be exchanged.
- the guide arrangement has a flow and a return, so that the support elements can be moved in a circumferential manner.
- part of the support elements can be moved using the flow in the longitudinal direction, for example to a head part of the change printing pad, while another part of the support elements using the return counter to the longitudinal direction, z. B. is movable towards a foot end of the alternating printing pad.
- the forward and reverse makes it possible, in particular, to continuously operate the alternating pressure pad without having to change the direction of movement of the support elements between times.
- the rolling elements that support the patient can be moved permanently in the longitudinal direction under the patient, so that, for example, the blood vessels in the legs can be spread out towards the torso. This can reduce the risk of thrombosis.
- the interchangeable pressure pad has a flexible support element cover arranged, in particular, stretched over the support elements.
- the support element cover is preferably arranged in such a way that at least some of the support rollers move in and / or can roll against the longitudinal direction on the support element cover.
- at least part of the support element cover can for example be attached to the guide arrangement, in particular to individual guide elements.
- the attachment is preferably non-detachable. But it is also conceivable to design the fastening without tools releasably th, z. B. using snaps.
- the support element cover can be attached to the support frame or to a frame of a patient bed that is set up to accommodate the alternating pressure pad, in particular the guide arrangement.
- the support element cover an increase in the Galaxykom fort of the patient supported by the support rollers can be reached.
- the support element cover can also be used to increase operational reliability, since access to the movable support elements is prevented or at least made more difficult.
- the support element cover is preferably designed to be waterproof and / or dirt-repellent, at least in sections.
- the support element cover can have a planar plastic layer, for example. As a result, the lying surface defined by the support element cover can be easily cleaned. Such a support element cover thus also makes it possible to comply with hygienic requirements.
- the support element cover is formed in several pieces from a flexible support and a protective layer arranged between the flexible support and the support elements.
- the protective layer is preferably on the support elements, ie the The protective layer makes contact with the support rollers or sliding elements, it being possible for the protective layer to be waterproof and / or dirt-repellent.
- the protective layer is preferably non-detachable or detachable without tools on the guide arrangement, on the support frame or on the frame of the patient bed, for example to be able to effectively and reliably prevent liquids, objects and / or body parts from penetrating into the area of the support elements or the guide arrangement .
- the flexible support can be non-destructive, in particular tool-free, releasably attached to the guide arrangement, to the support frame or to the frame of the patient's bed, possibly also to the protective layer. Alternatively, it is also conceivable that the support is not attached at all, but just rests loosely on the protective layer. This allows the edition z. B. can be replaced with little effort, for example for reasons of hygiene.
- the flexible pad can be designed, for example, as a thin mattress, which is set up to cushion the support rollers or sliding elements on the one hand and / or to absorb moisture on the other hand, without canceling the pressure distribution achieved by the support elements.
- the guide assembly has hinge elements which are arranged between a first section of the guide assembly and a second section of the guide assembly and which support the guides in the first section against the guides in the second section so that they can pivot against each other.
- first section of the guide arrangement can be set up in relation to the second section.
- the hinge elements can delimit a head or foot part that can be set up, for example.
- the hinge elements are preferably set up to enable the guides in the first section to pivot by up to 40 ° in relation to the guides in the second section.
- the alternating pressure pad has a motorized drive device which is set up to move the support elements in and / or against the longitudinal direction.
- the motorized drive device can be designed, for example, as a motor, in particular an electric motor.
- the alternating pressure pad has a manually operable drive device which is set up to move the support elements in and / or against the longitudinal direction.
- the alternating pressure document can in particular have a drive device which can be operated by a motor as well as operated manually.
- the drive device can, for example, have a manual drive, for example in the form of a crank, or be coupled to such a drive. This makes it possible to ensure a movement of the support elements even in emergencies, for example in the event of technical malfunctions or a power failure, in order to permanently maintain a varying pressure distribution.
- the guide arrangement has at least two rotated drive shafts, in particular one that is operatively connected to the drive device seated driver wheels which are set up to take along the support elements in sections by rotating the axle.
- the driver wheels can be designed dazzlingradar term, for example, and / or recesses or teeth aufwei sen, in which the support elements, in particular the support rollers or sliding elements and / or the rollers, can engage.
- the support elements arranged in the recesses or teeth can thereby be taken with them.
- This movement can be transmitted to all support elements as a translational movement, preferably via the connecting elements or elastic connections between adjacent support elements. With the help of such Mitauerrä the movement of the support elements can therefore be easily achieved.
- Such driving wheels or drive axles are arranged in a prior ferred manner at a head end and / or foot end of the change printing pad.
- the driver wheels can in particular be arranged between the flow and the return of the guide arrangement and be configured to transfer the support elements from the guides of the flow into the guides of the return. This enables the support elements to circulate reliably.
- the alternating pressure pad has a control device which is set up to cause the support elements to move in at least two different operating modes, for example by appropriately controlling the motorized drive device.
- the support elements can thus be moved in circulation, for example, while the support elements can be moved back and forth in a second operating mode.
- the support elements can be moved continuously in an operating mode while the support elements are intermittently moved in another operating mode.
- the interchangeable printing pad can be used flexibly, for example for patients with different pressure ulcers or for patients with different degrees of immobility.
- this light also enables an increase in the efficiency of the operation of the alternating printing pad, since z. B.
- control device can be set up to receive control commands from an external terminal device coupled to the control device.
- an application ie a software module, is conceivable which can be executed on a smartphone or tablet and is set up to enable the alternating pressure pad, in particular the motorized drive device, to be controlled.
- the alternating pressure pad has a control device which is set up to initiate the output of an alarm signal, in particular independent of the mains power, if a motor-driven movement of the support elements is not possible.
- independence from the mains supply is to be understood as meaning, in particular, the suitability of the control device, even if it is not sufficient energy supply through a power grid to preserve their functionality.
- the alternating pressure pad, in particular the control device can have an energy storage device, for example in the form of a battery. This can further increase operational reliability, since if necessary, for example in the event of a power failure or a defect, operation can be maintained, for example with the aid of the manually operable drive device.
- a patient bed, in particular for pressure ulcer prevention, according to a second aspect of the invention has a frame and an alternating pressure pad supported by the frame according to the first aspect of the invention.
- the alternating pressure pad can be set up for a non-destructive, in particular tool-free, detachable connection to the frame.
- the alternating pressure pad can have a latching or clip mechanism, with the aid of which the alternating pressure pad can be fastened to the frame or can be hung into the frame, in particular can snap into place or clip into place.
- the alternating pressure pad can also be used with conventional patient beds if necessary.
- conventional patient beds can be equipped or retrofitted with an alternating pressure pad to prevent pressure ulcers.
- the alternating pressure pads can also be quickly removed again if necessary.
- a plurality of support elements in particular arranged one behind the other along a longitudinal direction, are th in at least two in a transverse direction opposite one another and arranged in the longitudinal direction verlau fenden guides of a guide arrangement in which the support elements are movably mounted at opposite ends, in particular in and / or against the longitudinal direction, are moved.
- the movement of the support elements can be followed by means of a motorized drive device and / or manually, for example with the help of a manually operable drive device.
- the movement is preferably controlled by a control device which can control the motorized drive device accordingly.
- different operating modes are conceivable, for example a circumferential movement of the support elements, a back and forth movement of the support elements, a continuous movement of the support elements and / or an intermittent movement of the support elements.
- FIG. 1 shows an example of an alternating printing pad
- FIG. 2 shows a detail from FIG. 1 in the area of the foot part of the alternating pressure pad without showing the return flow;
- FIG. 3 shows a detail from FIG. 1 in the area of the head part of the alternating printing substrate; 4 shows an example of part of a guide arrangement in a cross section;
- FIG. 6 shows an example of a patient's bed.
- 1 shows an example of an alternating pressure pad 1 for De cubitus prevention with a plurality of support elements 2 arranged one behind the other along a longitudinal direction L.
- the alternating pressure pad 1 has a guide arrangement with two guides 3a, 3b arranged opposite one another, with the support elements 2 on both of them Opposite ends 2a, 2b are movably mounted in the two guides 3a, 3b.
- the guides 3a, 3b and the support elements 2 are designed in such a way that the support elements 2 can be moved in or against the longitudinal direction L with the aid of the guides 3a, 3b.
- each of the support elements 2 has a support roller 4 which is directed around a transverse to the longitudinal direction L, d. H. is mounted in a freely rotatable manner parallel to a transverse direction Q extending, rotation axis.
- the axes of rotation of the support rollers 4 can be defined, for example, by the longitudinal axes of axle elements not visible in FIG. 1, onto which the support rollers 4 can be attached or pulled, for example.
- support rollers 4 Gleitele elements (not shown) to be provided, which are designed to slide through under the patient.
- Such sliding elements can, for example, have a sliding surface and / or have an oval cross-section in order to facilitate sliding or at least reduce sliding friction.
- the alternating pressure pad 1 forms a type of slatted frame on which a patient who is susceptible to pressure ulcers, for example at least partially paralyzed or otherwise immobile, can be stored. Due to the movable mounting of the support elements 2, the "slats" of this grate are not stationary or statically arranged, but locally variable or dynamic. This mobility of the support elements 2 allows a locally changing pressure load on the patient, with which (permanent) local circulatory disorders and thus local tissue damage up to necrosis can be effectively and reliably counteracted.
- such a Kir Fondun pad can also be used elsewhere, for. B. as a seat pad or as a leg rest.
- the support rollers 4 of the support elements 2 are set up in the embodiment shown in FIG. 1 to support the patient, the support elements 2 in turn being carried by the guide arrangement, for example by seating the two ends 2a, 2b of each of the support elements 2 in the guides 3a, 3b.
- the support rollers 4 can roll under the patient due to their free rotational mounting.
- the support rollers 4 ensure that the support elements 2 can be moved relative to a patient supported by the support rollers 4.
- the patient should remain stationary relative to the change printing pad 1 or to the guide arrangement.
- a flexible support element cover (not shown) can be provided with which the comfort of the patient and / or the operational reliability of the alternating pressure pad 1 can be increased at the same time.
- the support element cover is preferably stretched over the support rollers 4 and fastened, for example, to the guides 3a, 3b, so that the support rollers 4 roll on a side facing the support rollers 4, ie the underside of the support element cover can.
- the thus fixedly fixed support element cover can, in addition to objects or body parts penetrating into spaces between the support elements 2, also prevent the patient supported by the support rollers 2 and lying on the support element cover from being moved when the support elements 2 move.
- the guide arrangement has a flow 5a and a return 5b, the flow 5a and the return 5b being one above the other, ie. H. are stacked, angeord net, whereby a slatted configuration of the alternating pressure pad 1 is achieved.
- the guide arrangement has a flow 5a and a return 5b, the flow 5a and the return 5b being one above the other, ie. H. are stacked, angeord net, whereby a slatted configuration of the alternating pressure pad 1 is achieved.
- other arrangements of flow and return 5a, 5b relative to one another are also conceivable.
- Both the flow 5a and the return 5b each have two guides 3a, 3b arranged opposite one another.
- the support elements 2 can be moved in a revolving manner, i. H. on a closed track.
- the support elements 2 can be moved in the longitudinal direction L with the aid of the feed 5a, for example from a foot part 6b of the alternating pressure pad 1 to a head part 6a of the alternating pressure pad 1, while the support elements 2 with the aid of the return 5b against the longitudinal direction L from the head part 6a to be promoted back to the foot part 6b.
- blood vessels in the patient's legs can be smeared out permanently towards his / her torso, for example in order to reduce the risk of thrombosis.
- the guides 3a, 3b preferably have a plurality of guide elements 10 which are elastically or resiliently mounted.
- the guide arrangement also has several Spring elements 11 which support at least part of the guide elements 10.
- a spring element 11 of each of the guide elements 10 can be elastically supported. Due to the elastic mounting of the guide elements 10, adjacently arranged guide elements 10 are also, at least slightly, mounted so as to be movable relative to one another.
- the spring elements 11 can in particular elastically connect or couple the feed 5a to the return 5b, which is preferably of rigid design and forms a support frame.
- the coupling between the flow and return 5a, 5b enables a patient to be positioned particularly comfortably on the alternating pressure pad 1.
- FIG. 2 shows a detail from FIG. 1 in the area of the foot part 6b of the alternating pressure pad without showing the return.
- a, in particular chain-like, connection of the support elements 2 by connection elements 7 which are arranged at the opposite ends can be seen (only one end 2a of the two opposite ends is visible in FIG. 2).
- a chain of Stauerele elements 2 is formed, which can be moved in the guide 3a.
- Each of the connecting elements 7 is arranged between a support roller 4 and a roller 8.
- the connec tion elements 7 and / or the rollers 8 can, such as If necessary, the support rollers 4 can also be slipped or placed on an axle element 9, for example with an interference fit.
- the support elements 2 are preferably movably mounted in the guide 3a.
- the guide 3 a can have a channel-like recess or a groove for receiving the rollers 8.
- the support elements 2 instead of the rollers 8, the support elements 2 have sliding sections (not shown) which are designed to slide in the guides.
- the support elements 2 are arranged rela tively movable to one another. This makes it possible, for example with the aid of the return (not shown), to divert the support elements 2 on the foot part 6b of the alternating pressure pad into the flow 5a.
- the guide elements 10 each have a first fastening arrangement 12a and at least some of the spring elements 11 have a second fastening arrangement 12b, with the aid of which the spring elements 11 on the guide elements 10, in particular zer can be detached and fastened without interference and / or without tools.
- the first fastening arrangements 12a can each have at least one recess or indentation 13a into which a corresponding, in particular complementary, projection or bulge 13b of a second fastening arrangement 12b can engage.
- FIG. 3 shows a detail from FIG. 1 in the area of the head part 6a of the alternating printing pad. The head part 6a is designed such that it can be set up.
- the guide arrangement has hinge elements 14, for example at least one in each guide 3a.
- Each of the hinge elements 14 is preferably arranged between two adjacent guide elements 10 and set up to allow the two adjacent guide elements 10 to tilt relative to one another.
- the head part 6a can be set up, for example, by up to 40 °.
- the guide arrangement has a flow 5a and a return 5b, both the flow 5a and the return 5b each comprising a guide 3a, with the aid of which support elements (see FIGS. 1-3) of an alternating pressure pad can be guided during a movement.
- the flow 5a is connected to the return 5b with the aid of spring elements 11.
- the guide 3a of the lead 5a is thereby elastically mounted, and thus also the support elements guided by it.
- the guide 3a is designed to at least partially receive and movably mount one end, in particular a special roller, of the support elements.
- the guide has a recess 15 or groove into which one end, in particular a roller, of a support element can engage.
- a running surface 16 is provided in the example shown, on which, for example, the rollers of the support elements can roll.
- the running surface 16 is formed by a belt-like track 17 ge, which several guide elements (see FIG. 1-3) of the Guide 3a can connect.
- the band forming the raceway 17 is preferably inserted into the guide 3a in such a way that the running surface 16 is aligned with a side surface of the recess 15.
- the raceway 17 can be made of a low-friction material such as Teflon.
- the guide arrangement shown is preferably set up for use with a patient bed, in particular a frame of the patient bed.
- the return 5b has a latching or clip mechanism 24, with the aid of which the guide arrangement and thus also the alternating pressure pad can be fastened or suspended on the patient's bed or its frame.
- the alternating pressure pad can thus also be detached from the patient's bed or its frame in a non-destructive and / or tool-free manner, for example by pressing down or bending a pin 24a of the clip mechanism 24 in such a way that one or more barbs 24b of the pin 24a are released.
- FIG. 5 shows an example of a prestressing arrangement 18 for prestressing an, in particular elastic, connection with the aid of connecting elements 7 between support elements 2 of an alternating pressure pad.
- the pretensioning device 18 has a driver wheel 19, which is set up to take the support elements 2 along at least in sections during rotation and is seated on a driver axis 20, as well as a pre-tensioning rod 21 which is movably mounted in a cylinder 22. At an end of the prestressing rod 21 facing away from the cylinder 22, the prestressing rod 21 is connected to the driver axis 20.
- the driver axle 20 can, for example, be rotatable on or in the prestressing rod 21, for example in one eye or one Eyelet, be stored. In this case, the driver wheel 19 sits on the driver axle 20 in a twisted manner. It is also conceivable that the driver axle 20 is operatively connected to a drive device (not shown) so that the driver wheel 19 can be driven by a motor, for example, and the support elements 2 can thus be moved.
- the driver axle 20 can also be referred to as a drive axle.
- the driver axle 20 can also be attached to the prestressing rod 21 in a twisted manner.
- the driver wheel 19 is rotatably mounted on or on the driver axle 20.
- a prestressed prestressing means 23 is provided, which is located against an end of the cylinder 22 Biasing rod 21 pushes.
- the pretensioning means 23 is designed as a spring element, in particular as a compression spring.
- the pretensioning means 23 can also be a pressurized gas.
- the driver wheel 19 preferably forms a first part of the guide arrangement which is movably supported with respect to a second part of the guide arrangement with the aid of the pretensioning arrangement 18.
- the second part of the guide arrangement can be formed, for example, by the guides of the guide arrangement.
- FIG. 6 shows an example of a patient bed 50 which has a frame 51 and an alternating pressure pad 1.
- the Alternating pressure pad 1 and the frame 51 are designed in such a way that the alternating pressure pad 1, in particular a guide arrangement with two oppositely arranged guides 3a, 3b, is at least partially received by the frame 51.
- the alternating pressure pad 1 can have a latching or clip mechanism, with the aid of which the alternating pressure pad 1 can be attached to the frame 51 in a non-destructive and / or detachable manner without tools (see FIG. 4).
Landscapes
- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020107182.5A DE102020107182B4 (de) | 2020-03-16 | 2020-03-16 | Wechseldruckunterlage und Patientenbett sowie Betriebsverfahren |
| PCT/DE2021/100237 WO2021185409A1 (de) | 2020-03-16 | 2021-03-08 | Wechseldruckunterlage und patientenbett sowie betriebsverfahren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4120984A1 true EP4120984A1 (de) | 2023-01-25 |
| EP4120984B1 EP4120984B1 (de) | 2025-08-06 |
Family
ID=75639626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21720678.8A Active EP4120984B1 (de) | 2020-03-16 | 2021-03-08 | Wechseldruckunterlage und patientenbett sowie betriebsverfahren |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US12502324B2 (de) |
| EP (1) | EP4120984B1 (de) |
| JP (1) | JP7687701B2 (de) |
| KR (1) | KR20220154745A (de) |
| CN (1) | CN115279320A (de) |
| DE (1) | DE102020107182B4 (de) |
| WO (1) | WO2021185409A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116549231B (zh) * | 2023-03-09 | 2025-08-29 | 宁波得益机电设备有限公司 | 撑点可独立控制的防褥疮护理床 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0385162A (ja) * | 1989-08-29 | 1991-04-10 | Kensaku Shiraishi | マッサージ装置 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2175614A (en) * | 1939-04-10 | 1939-10-10 | William C Redfield | Massaging couch |
| US3023749A (en) * | 1960-03-30 | 1962-03-06 | Frank J Baume | Rolling massager |
| US3128761A (en) * | 1962-10-22 | 1964-04-14 | Robert D Smith | Roller massaging machine |
| US3419268A (en) * | 1964-12-22 | 1968-12-31 | Bellet Joseph | In-bed exerciser and/or cushion |
| US4165737A (en) * | 1978-02-17 | 1979-08-28 | Arturo Chapa | Foot massaging device |
| DE3018828A1 (de) | 1980-05-14 | 1981-11-19 | Karl Otto 1000 Berlin Niessen | Massagegeraet |
| DE3669032D1 (de) | 1986-11-05 | 1990-03-22 | Bosch & Sohn Med App | Okulopressionsgeraet. |
| CN2300399Y (zh) * | 1997-01-30 | 1998-12-16 | 张力 | 滚动电动按摩器 |
| JP2001218362A (ja) * | 2000-01-28 | 2001-08-10 | Maruha Electric Co | 電動アクチュエ−タ−安全回路 |
| US6594837B2 (en) | 2000-03-30 | 2003-07-22 | George Khait | Service bed |
| DE202005021510U1 (de) | 2005-04-01 | 2008-07-10 | Baumeister, Karlheinz | Massageeinheit sowie Massagematratze mit Massageeinheit |
| CN100493483C (zh) * | 2005-12-31 | 2009-06-03 | 黄垤树 | 健康垫及包含有该健康垫的健康床 |
| EP2666451B1 (de) * | 2012-05-24 | 2015-10-14 | Jorge Szeinberg | System und Verfahren zur Verhinderung von Druckgeschwüren |
| JP5422813B1 (ja) * | 2013-03-18 | 2014-02-19 | 進 中谷 | ベッド装置 |
| DE102014212013B3 (de) * | 2014-06-23 | 2015-04-16 | Burghard Freiherr Troost von Schele | Massagebett |
| BR102017001670B1 (pt) * | 2017-01-26 | 2021-01-12 | Kléber Elias Tavares | leito provido de oscilação destinado à prevenção de úlceras de decúbito |
| DE102019007473B4 (de) | 2019-10-26 | 2022-03-03 | Bernd Jürgen Mai | Schlafsystem-Lattenrost für ein Bett o. dgl. Liegemöbel |
-
2020
- 2020-03-16 DE DE102020107182.5A patent/DE102020107182B4/de active Active
-
2021
- 2021-03-08 CN CN202180021233.8A patent/CN115279320A/zh active Pending
- 2021-03-08 EP EP21720678.8A patent/EP4120984B1/de active Active
- 2021-03-08 JP JP2022555999A patent/JP7687701B2/ja active Active
- 2021-03-08 KR KR1020227035462A patent/KR20220154745A/ko active Pending
- 2021-03-08 WO PCT/DE2021/100237 patent/WO2021185409A1/de not_active Ceased
- 2021-03-08 US US17/912,073 patent/US12502324B2/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0385162A (ja) * | 1989-08-29 | 1991-04-10 | Kensaku Shiraishi | マッサージ装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102020107182B4 (de) | 2021-11-25 |
| KR20220154745A (ko) | 2022-11-22 |
| CN115279320A (zh) | 2022-11-01 |
| US20230135395A1 (en) | 2023-05-04 |
| EP4120984B1 (de) | 2025-08-06 |
| WO2021185409A1 (de) | 2021-09-23 |
| US12502324B2 (en) | 2025-12-23 |
| JP7687701B2 (ja) | 2025-06-03 |
| JP2023519188A (ja) | 2023-05-10 |
| DE102020107182A1 (de) | 2021-09-16 |
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